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Sergio
2025-11-23 11:44:31 +01:00
commit 6ada29eaf8
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183
source/core/audio/audio.cpp Normal file
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#include "audio.hpp"
#include <SDL3/SDL.h> // Para SDL_LogInfo, SDL_LogCategory, SDL_G...
#include <algorithm> // Para clamp
#include <iostream> // Para std::cout
// Implementación de stb_vorbis (debe estar ANTES de incluir jail_audio.hpp)
// clang-format off
#undef STB_VORBIS_HEADER_ONLY
#include "external/stb_vorbis.h"
// clang-format on
#include "core/audio/jail_audio.hpp" // Para JA_FadeOutMusic, JA_Init, JA_PauseM...
#include "core/resources/resource_cache.hpp" // Para Resource
#include "game/options.hpp" // Para AudioOptions, audio, MusicOptions
// Singleton
Audio* Audio::instance = nullptr;
// Inicializa la instancia única del singleton
void Audio::init() { Audio::instance = new Audio(); }
// Libera la instancia
void Audio::destroy() { delete Audio::instance; }
// Obtiene la instancia
auto Audio::get() -> Audio* { return Audio::instance; }
// Constructor
Audio::Audio() { initSDLAudio(); }
// Destructor
Audio::~Audio() {
JA_Quit();
}
// Método principal
void Audio::update() {
JA_Update();
}
// Reproduce la música
void Audio::playMusic(const std::string& name, const int loop) {
bool new_loop = (loop != 0);
// Si ya está sonando exactamente la misma pista y mismo modo loop, no hacemos nada
if (music_.state == MusicState::PLAYING && music_.name == name && music_.loop == new_loop) {
return;
}
// Intentar obtener recurso; si falla, no tocar estado
auto* resource = Resource::Cache::get()->getMusic(name);
if (resource == nullptr) {
// manejo de error opcional
return;
}
// Si hay algo reproduciéndose, detenerlo primero (si el backend lo requiere)
if (music_.state == MusicState::PLAYING) {
JA_StopMusic(); // sustituir por la función de stop real del API si tiene otro nombre
}
// Llamada al motor para reproducir la nueva pista
JA_PlayMusic(resource, loop);
// Actualizar estado y metadatos después de iniciar con éxito
music_.name = name;
music_.loop = new_loop;
music_.state = MusicState::PLAYING;
}
// Pausa la música
void Audio::pauseMusic() {
if (music_enabled_ && music_.state == MusicState::PLAYING) {
JA_PauseMusic();
music_.state = MusicState::PAUSED;
}
}
// Continua la música pausada
void Audio::resumeMusic() {
if (music_enabled_ && music_.state == MusicState::PAUSED) {
JA_ResumeMusic();
music_.state = MusicState::PLAYING;
}
}
// Detiene la música
void Audio::stopMusic() {
if (music_enabled_) {
JA_StopMusic();
music_.state = MusicState::STOPPED;
}
}
// Reproduce un sonido por nombre
void Audio::playSound(const std::string& name, Group group) const {
if (sound_enabled_) {
JA_PlaySound(Resource::Cache::get()->getSound(name), 0, static_cast<int>(group));
}
}
// Reproduce un sonido por puntero directo
void Audio::playSound(JA_Sound_t* sound, Group group) const {
if (sound_enabled_) {
JA_PlaySound(sound, 0, static_cast<int>(group));
}
}
// Detiene todos los sonidos
void Audio::stopAllSounds() const {
if (sound_enabled_) {
JA_StopChannel(-1);
}
}
// Realiza un fundido de salida de la música
void Audio::fadeOutMusic(int milliseconds) const {
if (music_enabled_ && getRealMusicState() == MusicState::PLAYING) {
JA_FadeOutMusic(milliseconds);
}
}
// Consulta directamente el estado real de la música en jailaudio
auto Audio::getRealMusicState() -> MusicState {
JA_Music_state ja_state = JA_GetMusicState();
switch (ja_state) {
case JA_MUSIC_PLAYING:
return MusicState::PLAYING;
case JA_MUSIC_PAUSED:
return MusicState::PAUSED;
case JA_MUSIC_STOPPED:
case JA_MUSIC_INVALID:
case JA_MUSIC_DISABLED:
default:
return MusicState::STOPPED;
}
}
// Establece el volumen de los sonidos
void Audio::setSoundVolume(float sound_volume, Group group) const {
if (sound_enabled_) {
sound_volume = std::clamp(sound_volume, MIN_VOLUME, MAX_VOLUME);
const float CONVERTED_VOLUME = sound_volume * Options::audio.volume;
JA_SetSoundVolume(CONVERTED_VOLUME, static_cast<int>(group));
}
}
// Establece el volumen de la música
void Audio::setMusicVolume(float music_volume) const {
if (music_enabled_) {
music_volume = std::clamp(music_volume, MIN_VOLUME, MAX_VOLUME);
const float CONVERTED_VOLUME = music_volume * Options::audio.volume;
JA_SetMusicVolume(CONVERTED_VOLUME);
}
}
// Aplica la configuración
void Audio::applySettings() {
enable(Options::audio.enabled);
}
// Establecer estado general
void Audio::enable(bool value) {
enabled_ = value;
setSoundVolume(enabled_ ? Options::audio.sound.volume : MIN_VOLUME);
setMusicVolume(enabled_ ? Options::audio.music.volume : MIN_VOLUME);
}
// Inicializa SDL Audio
void Audio::initSDLAudio() {
if (!SDL_Init(SDL_INIT_AUDIO)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_AUDIO could not initialize! SDL Error: %s", SDL_GetError());
} else {
JA_Init(FREQUENCY, SDL_AUDIO_S16LE, 2);
enable(Options::audio.enabled);
std::cout << "\n** AUDIO SYSTEM **\n";
std::cout << "Audio system initialized successfully\n";
}
}

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source/core/audio/audio.hpp Normal file
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#pragma once
#include <string> // Para string
#include <utility> // Para move
// --- Clase Audio: gestor de audio (singleton) ---
class Audio {
public:
// --- Enums ---
enum class Group : int {
ALL = -1, // Todos los grupos
GAME = 0, // Sonidos del juego
INTERFACE = 1 // Sonidos de la interfaz
};
enum class MusicState {
PLAYING, // Reproduciendo música
PAUSED, // Música pausada
STOPPED, // Música detenida
};
// --- Constantes ---
static constexpr float MAX_VOLUME = 1.0F; // Volumen máximo
static constexpr float MIN_VOLUME = 0.0F; // Volumen mínimo
static constexpr int FREQUENCY = 48000; // Frecuencia de audio
// --- Singleton ---
static void init(); // Inicializa el objeto Audio
static void destroy(); // Libera el objeto Audio
static auto get() -> Audio*; // Obtiene el puntero al objeto Audio
Audio(const Audio&) = delete; // Evitar copia
auto operator=(const Audio&) -> Audio& = delete; // Evitar asignación
static void update(); // Actualización del sistema de audio
// --- Control de música ---
void playMusic(const std::string& name, int loop = -1); // Reproducir música en bucle
void pauseMusic(); // Pausar reproducción de música
void resumeMusic(); // Continua la música pausada
void stopMusic(); // Detener completamente la música
void fadeOutMusic(int milliseconds) const; // Fundido de salida de la música
// --- Control de sonidos ---
void playSound(const std::string& name, Group group = Group::GAME) const; // Reproducir sonido puntual por nombre
void playSound(struct JA_Sound_t* sound, Group group = Group::GAME) const; // Reproducir sonido puntual por puntero
void stopAllSounds() const; // Detener todos los sonidos
// --- Control de volumen ---
void setSoundVolume(float volume, Group group = Group::ALL) const; // Ajustar volumen de efectos
void setMusicVolume(float volume) const; // Ajustar volumen de música
// --- Configuración general ---
void enable(bool value); // Establecer estado general
void toggleEnabled() { enabled_ = !enabled_; } // Alternar estado general
void applySettings(); // Aplica la configuración
// --- Configuración de sonidos ---
void enableSound() { sound_enabled_ = true; } // Habilitar sonidos
void disableSound() { sound_enabled_ = false; } // Deshabilitar sonidos
void enableSound(bool value) { sound_enabled_ = value; } // Establecer estado de sonidos
void toggleSound() { sound_enabled_ = !sound_enabled_; } // Alternar estado de sonidos
// --- Configuración de música ---
void enableMusic() { music_enabled_ = true; } // Habilitar música
void disableMusic() { music_enabled_ = false; } // Deshabilitar música
void enableMusic(bool value) { music_enabled_ = value; } // Establecer estado de música
void toggleMusic() { music_enabled_ = !music_enabled_; } // Alternar estado de música
// --- Consultas de estado ---
[[nodiscard]] auto isEnabled() const -> bool { return enabled_; }
[[nodiscard]] auto isSoundEnabled() const -> bool { return sound_enabled_; }
[[nodiscard]] auto isMusicEnabled() const -> bool { return music_enabled_; }
[[nodiscard]] auto getMusicState() const -> MusicState { return music_.state; }
[[nodiscard]] static auto getRealMusicState() -> MusicState;
[[nodiscard]] auto getCurrentMusicName() const -> const std::string& { return music_.name; }
private:
// --- Tipos anidados ---
struct Music {
MusicState state{MusicState::STOPPED}; // Estado actual de la música
std::string name; // Última pista de música reproducida
bool loop{false}; // Indica si se reproduce en bucle
};
// --- Métodos ---
Audio(); // Constructor privado
~Audio(); // Destructor privado
void initSDLAudio(); // Inicializa SDL Audio
// --- Variables miembro ---
static Audio* instance; // Instancia única de Audio
Music music_; // Estado de la música
bool enabled_{true}; // Estado general del audio
bool sound_enabled_{true}; // Estado de los efectos de sonido
bool music_enabled_{true}; // Estado de la música
};

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source/core/audio/jail_audio.hpp Normal file
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#pragma once
// --- Includes ---
#include <SDL3/SDL.h>
#include <stdint.h> // Para uint32_t, uint8_t
#include <stdio.h> // Para NULL, fseek, printf, fclose, fopen, fread, ftell, FILE, SEEK_END, SEEK_SET
#include <stdlib.h> // Para free, malloc
#include <string.h> // Para strcpy, strlen
#define STB_VORBIS_HEADER_ONLY
#include "external/stb_vorbis.h" // Para stb_vorbis_decode_memory
// --- Public Enums ---
enum JA_Channel_state { JA_CHANNEL_INVALID,
JA_CHANNEL_FREE,
JA_CHANNEL_PLAYING,
JA_CHANNEL_PAUSED,
JA_SOUND_DISABLED };
enum JA_Music_state { JA_MUSIC_INVALID,
JA_MUSIC_PLAYING,
JA_MUSIC_PAUSED,
JA_MUSIC_STOPPED,
JA_MUSIC_DISABLED };
// --- Struct Definitions ---
#define JA_MAX_SIMULTANEOUS_CHANNELS 20
#define JA_MAX_GROUPS 2
struct JA_Sound_t {
SDL_AudioSpec spec{SDL_AUDIO_S16, 2, 48000};
Uint32 length{0};
Uint8* buffer{NULL};
};
struct JA_Channel_t {
JA_Sound_t* sound{nullptr};
int pos{0};
int times{0};
int group{0};
SDL_AudioStream* stream{nullptr};
JA_Channel_state state{JA_CHANNEL_FREE};
};
struct JA_Music_t {
SDL_AudioSpec spec{SDL_AUDIO_S16, 2, 48000};
Uint32 length{0};
Uint8* buffer{nullptr};
char* filename{nullptr};
int pos{0};
int times{0};
SDL_AudioStream* stream{nullptr};
JA_Music_state state{JA_MUSIC_INVALID};
};
// --- Internal Global State ---
// Marcado 'inline' (C++17) para asegurar una única instancia.
inline JA_Music_t* current_music{nullptr};
inline JA_Channel_t channels[JA_MAX_SIMULTANEOUS_CHANNELS];
inline SDL_AudioSpec JA_audioSpec{SDL_AUDIO_S16, 2, 48000};
inline float JA_musicVolume{1.0f};
inline float JA_soundVolume[JA_MAX_GROUPS];
inline bool JA_musicEnabled{true};
inline bool JA_soundEnabled{true};
inline SDL_AudioDeviceID sdlAudioDevice{0};
inline bool fading{false};
inline int fade_start_time{0};
inline int fade_duration{0};
inline float fade_initial_volume{0.0f}; // Corregido de 'int' a 'float'
// --- Forward Declarations ---
inline void JA_StopMusic();
inline void JA_StopChannel(const int channel);
inline int JA_PlaySoundOnChannel(JA_Sound_t* sound, const int channel, const int loop = 0, const int group = 0);
// --- Core Functions ---
inline void JA_Update() {
if (JA_musicEnabled && current_music && current_music->state == JA_MUSIC_PLAYING) {
if (fading) {
int time = SDL_GetTicks();
if (time > (fade_start_time + fade_duration)) {
fading = false;
JA_StopMusic();
return;
} else {
const int time_passed = time - fade_start_time;
const float percent = (float)time_passed / (float)fade_duration;
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume * (1.0 - percent));
}
}
if (current_music->times != 0) {
if ((Uint32)SDL_GetAudioStreamAvailable(current_music->stream) < (current_music->length / 2)) {
SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length);
}
if (current_music->times > 0) current_music->times--;
} else {
if (SDL_GetAudioStreamAvailable(current_music->stream) == 0) JA_StopMusic();
}
}
if (JA_soundEnabled) {
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; ++i)
if (channels[i].state == JA_CHANNEL_PLAYING) {
if (channels[i].times != 0) {
if ((Uint32)SDL_GetAudioStreamAvailable(channels[i].stream) < (channels[i].sound->length / 2)) {
SDL_PutAudioStreamData(channels[i].stream, channels[i].sound->buffer, channels[i].sound->length);
if (channels[i].times > 0) channels[i].times--;
}
} else {
if (SDL_GetAudioStreamAvailable(channels[i].stream) == 0) JA_StopChannel(i);
}
}
}
}
inline void JA_Init(const int freq, const SDL_AudioFormat format, const int num_channels) {
#ifdef _DEBUG
SDL_SetLogPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG);
#endif
JA_audioSpec = {format, num_channels, freq};
if (sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice); // Corregido: !sdlAudioDevice -> sdlAudioDevice
sdlAudioDevice = SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &JA_audioSpec);
if (sdlAudioDevice == 0) SDL_Log("Failed to initialize SDL audio!");
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; ++i) channels[i].state = JA_CHANNEL_FREE;
for (int i = 0; i < JA_MAX_GROUPS; ++i) JA_soundVolume[i] = 0.5f;
}
inline void JA_Quit() {
if (sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice); // Corregido: !sdlAudioDevice -> sdlAudioDevice
sdlAudioDevice = 0;
}
// --- Music Functions ---
inline JA_Music_t* JA_LoadMusic(const Uint8* buffer, Uint32 length) {
JA_Music_t* music = new JA_Music_t();
int chan, samplerate;
short* output;
music->length = stb_vorbis_decode_memory(buffer, length, &chan, &samplerate, &output) * chan * 2;
music->spec.channels = chan;
music->spec.freq = samplerate;
music->spec.format = SDL_AUDIO_S16;
music->buffer = static_cast<Uint8*>(SDL_malloc(music->length));
SDL_memcpy(music->buffer, output, music->length);
free(output);
music->pos = 0;
music->state = JA_MUSIC_STOPPED;
return music;
}
inline JA_Music_t* JA_LoadMusic(const char* filename) {
// [RZC 28/08/22] Carreguem primer el arxiu en memòria i després el descomprimim. Es algo més rapid.
FILE* f = fopen(filename, "rb");
if (!f) return NULL; // Añadida comprobación de apertura
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
auto* buffer = static_cast<Uint8*>(malloc(fsize + 1));
if (!buffer) { // Añadida comprobación de malloc
fclose(f);
return NULL;
}
if (fread(buffer, fsize, 1, f) != 1) {
fclose(f);
free(buffer);
return NULL;
}
fclose(f);
JA_Music_t* music = JA_LoadMusic(buffer, fsize);
if (music) { // Comprobar que JA_LoadMusic tuvo éxito
music->filename = static_cast<char*>(malloc(strlen(filename) + 1));
if (music->filename) {
strcpy(music->filename, filename);
}
}
free(buffer);
return music;
}
inline void JA_PlayMusic(JA_Music_t* music, const int loop = -1) {
if (!JA_musicEnabled || !music) return; // Añadida comprobación de music
JA_StopMusic();
current_music = music;
current_music->pos = 0;
current_music->state = JA_MUSIC_PLAYING;
current_music->times = loop;
current_music->stream = SDL_CreateAudioStream(&current_music->spec, &JA_audioSpec);
if (!current_music->stream) { // Comprobar creación de stream
SDL_Log("Failed to create audio stream!");
current_music->state = JA_MUSIC_STOPPED;
return;
}
if (!SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length)) printf("[ERROR] SDL_PutAudioStreamData failed!\n");
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume);
if (!SDL_BindAudioStream(sdlAudioDevice, current_music->stream)) printf("[ERROR] SDL_BindAudioStream failed!\n");
}
inline char* JA_GetMusicFilename(const JA_Music_t* music = nullptr) {
if (!music) music = current_music;
if (!music) return nullptr; // Añadida comprobación
return music->filename;
}
inline void JA_PauseMusic() {
if (!JA_musicEnabled) return;
if (!current_music || current_music->state != JA_MUSIC_PLAYING) return; // Comprobación mejorada
current_music->state = JA_MUSIC_PAUSED;
SDL_UnbindAudioStream(current_music->stream);
}
inline void JA_ResumeMusic() {
if (!JA_musicEnabled) return;
if (!current_music || current_music->state != JA_MUSIC_PAUSED) return; // Comprobación mejorada
current_music->state = JA_MUSIC_PLAYING;
SDL_BindAudioStream(sdlAudioDevice, current_music->stream);
}
inline void JA_StopMusic() {
if (!current_music || current_music->state == JA_MUSIC_INVALID || current_music->state == JA_MUSIC_STOPPED) return;
current_music->pos = 0;
current_music->state = JA_MUSIC_STOPPED;
if (current_music->stream) {
SDL_DestroyAudioStream(current_music->stream);
current_music->stream = nullptr;
}
// No liberamos filename aquí, se debería liberar en JA_DeleteMusic
}
inline void JA_FadeOutMusic(const int milliseconds) {
if (!JA_musicEnabled) return;
if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
fading = true;
fade_start_time = SDL_GetTicks();
fade_duration = milliseconds;
fade_initial_volume = JA_musicVolume;
}
inline JA_Music_state JA_GetMusicState() {
if (!JA_musicEnabled) return JA_MUSIC_DISABLED;
if (!current_music) return JA_MUSIC_INVALID;
return current_music->state;
}
inline void JA_DeleteMusic(JA_Music_t* music) {
if (!music) return;
if (current_music == music) {
JA_StopMusic();
current_music = nullptr;
}
SDL_free(music->buffer);
if (music->stream) SDL_DestroyAudioStream(music->stream);
free(music->filename); // filename se libera aquí
delete music;
}
inline float JA_SetMusicVolume(float volume) {
JA_musicVolume = SDL_clamp(volume, 0.0f, 1.0f);
if (current_music && current_music->stream) {
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume);
}
return JA_musicVolume;
}
inline void JA_SetMusicPosition(float value) {
if (!current_music) return;
current_music->pos = value * current_music->spec.freq;
// Nota: Esta implementación de 'pos' no parece usarse en JA_Update para
// el streaming. El streaming siempre parece empezar desde el principio.
}
inline float JA_GetMusicPosition() {
if (!current_music) return 0;
return float(current_music->pos) / float(current_music->spec.freq);
// Nota: Ver `JA_SetMusicPosition`
}
inline void JA_EnableMusic(const bool value) {
if (!value && current_music && (current_music->state == JA_MUSIC_PLAYING)) JA_StopMusic();
JA_musicEnabled = value;
}
// --- Sound Functions ---
inline JA_Sound_t* JA_NewSound(Uint8* buffer, Uint32 length) {
JA_Sound_t* sound = new JA_Sound_t();
sound->buffer = buffer;
sound->length = length;
// Nota: spec se queda con los valores por defecto.
return sound;
}
inline JA_Sound_t* JA_LoadSound(uint8_t* buffer, uint32_t size) {
JA_Sound_t* sound = new JA_Sound_t();
if (!SDL_LoadWAV_IO(SDL_IOFromMem(buffer, size), 1, &sound->spec, &sound->buffer, &sound->length)) {
SDL_Log("Failed to load WAV from memory: %s", SDL_GetError());
delete sound;
return nullptr;
}
return sound;
}
inline JA_Sound_t* JA_LoadSound(const char* filename) {
JA_Sound_t* sound = new JA_Sound_t();
if (!SDL_LoadWAV(filename, &sound->spec, &sound->buffer, &sound->length)) {
SDL_Log("Failed to load WAV file: %s", SDL_GetError());
delete sound;
return nullptr;
}
return sound;
}
inline int JA_PlaySound(JA_Sound_t* sound, const int loop = 0, const int group = 0) {
if (!JA_soundEnabled || !sound) return -1;
int channel = 0;
while (channel < JA_MAX_SIMULTANEOUS_CHANNELS && channels[channel].state != JA_CHANNEL_FREE) { channel++; }
if (channel == JA_MAX_SIMULTANEOUS_CHANNELS) {
// No hay canal libre, reemplazamos el primero
channel = 0;
}
return JA_PlaySoundOnChannel(sound, channel, loop, group);
}
inline int JA_PlaySoundOnChannel(JA_Sound_t* sound, const int channel, const int loop, const int group) {
if (!JA_soundEnabled || !sound) return -1;
if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return -1;
JA_StopChannel(channel); // Detiene y limpia el canal si estaba en uso
channels[channel].sound = sound;
channels[channel].times = loop;
channels[channel].pos = 0;
channels[channel].group = group; // Asignar grupo
channels[channel].state = JA_CHANNEL_PLAYING;
channels[channel].stream = SDL_CreateAudioStream(&channels[channel].sound->spec, &JA_audioSpec);
if (!channels[channel].stream) {
SDL_Log("Failed to create audio stream for sound!");
channels[channel].state = JA_CHANNEL_FREE;
return -1;
}
SDL_PutAudioStreamData(channels[channel].stream, channels[channel].sound->buffer, channels[channel].sound->length);
SDL_SetAudioStreamGain(channels[channel].stream, JA_soundVolume[group]);
SDL_BindAudioStream(sdlAudioDevice, channels[channel].stream);
return channel;
}
inline void JA_DeleteSound(JA_Sound_t* sound) {
if (!sound) return;
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
if (channels[i].sound == sound) JA_StopChannel(i);
}
SDL_free(sound->buffer);
delete sound;
}
inline void JA_PauseChannel(const int channel) {
if (!JA_soundEnabled) return;
if (channel == -1) {
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++)
if (channels[i].state == JA_CHANNEL_PLAYING) {
channels[i].state = JA_CHANNEL_PAUSED;
SDL_UnbindAudioStream(channels[i].stream);
}
} else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
if (channels[channel].state == JA_CHANNEL_PLAYING) {
channels[channel].state = JA_CHANNEL_PAUSED;
SDL_UnbindAudioStream(channels[channel].stream);
}
}
}
inline void JA_ResumeChannel(const int channel) {
if (!JA_soundEnabled) return;
if (channel == -1) {
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++)
if (channels[i].state == JA_CHANNEL_PAUSED) {
channels[i].state = JA_CHANNEL_PLAYING;
SDL_BindAudioStream(sdlAudioDevice, channels[i].stream);
}
} else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
if (channels[channel].state == JA_CHANNEL_PAUSED) {
channels[channel].state = JA_CHANNEL_PLAYING;
SDL_BindAudioStream(sdlAudioDevice, channels[channel].stream);
}
}
}
inline void JA_StopChannel(const int channel) {
if (channel == -1) {
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
if (channels[i].state != JA_CHANNEL_FREE) {
if (channels[i].stream) SDL_DestroyAudioStream(channels[i].stream);
channels[i].stream = nullptr;
channels[i].state = JA_CHANNEL_FREE;
channels[i].pos = 0;
channels[i].sound = NULL;
}
}
} else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
if (channels[channel].state != JA_CHANNEL_FREE) {
if (channels[channel].stream) SDL_DestroyAudioStream(channels[channel].stream);
channels[channel].stream = nullptr;
channels[channel].state = JA_CHANNEL_FREE;
channels[channel].pos = 0;
channels[channel].sound = NULL;
}
}
}
inline JA_Channel_state JA_GetChannelState(const int channel) {
if (!JA_soundEnabled) return JA_SOUND_DISABLED;
if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return JA_CHANNEL_INVALID;
return channels[channel].state;
}
inline float JA_SetSoundVolume(float volume, const int group = -1) // -1 para todos los grupos
{
const float v = SDL_clamp(volume, 0.0f, 1.0f);
if (group == -1) {
for (int i = 0; i < JA_MAX_GROUPS; ++i) {
JA_soundVolume[i] = v;
}
} else if (group >= 0 && group < JA_MAX_GROUPS) {
JA_soundVolume[group] = v;
} else {
return v; // Grupo inválido
}
// Aplicar volumen a canales activos
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
if ((channels[i].state == JA_CHANNEL_PLAYING) || (channels[i].state == JA_CHANNEL_PAUSED)) {
if (group == -1 || channels[i].group == group) {
if (channels[i].stream) {
SDL_SetAudioStreamGain(channels[i].stream, JA_soundVolume[channels[i].group]);
}
}
}
}
return v;
}
inline void JA_EnableSound(const bool value) {
if (!value) {
JA_StopChannel(-1); // Detener todos los canales
}
JA_soundEnabled = value;
}
inline float JA_SetVolume(float volume) {
float v = JA_SetMusicVolume(volume);
JA_SetSoundVolume(v, -1); // Aplicar a todos los grupos de sonido
return v;
}

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#include "core/input/global_inputs.hpp"
#include <SDL3/SDL.h>
#include <string> // Para allocator, operator+, char_traits, string
#include <vector> // Para vector
#include "core/input/input.hpp" // Para Input, InputAction, Input::DO_NOT_ALLOW_REPEAT
#include "core/rendering/screen.hpp" // Para Screen
#include "game/options.hpp" // Para Options, options, OptionsVideo, Section
#include "game/scene_manager.hpp" // Para SceneManager
#include "game/ui/notifier.hpp" // Para Notifier, NotificationText
#include "utils/utils.hpp" // Para stringInVector
#ifdef _DEBUG
#include "core/system/debug.hpp" // Para Debug
#endif
namespace GlobalInputs {
// Funciones internas
namespace {
void handleQuit() {
const std::string CODE = SceneManager::current == SceneManager::Scene::GAME ? "PRESS AGAIN TO RETURN TO MENU" : "PRESS AGAIN TO EXIT";
auto code_found = stringInVector(Notifier::get()->getCodes(), CODE);
if (code_found) {
// Si la notificación de salir está activa, cambia de sección
switch (SceneManager::current) {
case SceneManager::Scene::GAME:
SceneManager::current = SceneManager::Scene::TITLE;
break;
default:
SceneManager::current = SceneManager::Scene::QUIT;
break;
}
} else {
// Si la notificación de salir no está activa, muestra la notificación
Notifier::get()->show({CODE}, Notifier::Style::DEFAULT, -1, true, CODE);
}
}
void handleSkipSection() {
switch (SceneManager::current) {
case SceneManager::Scene::LOGO:
SceneManager::current = SceneManager::Scene::TITLE;
SceneManager::options = SceneManager::Options::NONE;
break;
default:
break;
}
}
void handleToggleBorder() {
Screen::get()->toggleBorder();
Notifier::get()->show({"BORDER " + std::string(Options::video.border.enabled ? "ENABLED" : "DISABLED")});
}
void handleToggleVideoMode() {
Screen::get()->toggleVideoMode();
Notifier::get()->show({"FULLSCREEN " + std::string(static_cast<int>(Options::video.fullscreen) == 0 ? "DISABLED" : "ENABLED")});
}
void handleDecWindowZoom() {
if (Screen::get()->decWindowZoom()) {
Notifier::get()->show({"WINDOW ZOOM x" + std::to_string(Options::window.zoom)});
}
}
void handleIncWindowZoom() {
if (Screen::get()->incWindowZoom()) {
Notifier::get()->show({"WINDOW ZOOM x" + std::to_string(Options::window.zoom)});
}
}
void handleToggleShaders() {
Screen::get()->toggleShaders();
Notifier::get()->show({"SHADERS " + std::string(Options::video.shaders ? "ENABLED" : "DISABLED")});
}
void handleNextPalette() {
Screen::get()->nextPalette();
Notifier::get()->show({"PALETTE " + Options::video.palette});
}
void handlePreviousPalette() {
Screen::get()->previousPalette();
Notifier::get()->show({"PALETTE " + Options::video.palette});
}
void handleToggleIntegerScale() {
Screen::get()->toggleIntegerScale();
Screen::get()->setVideoMode(Options::video.fullscreen);
Notifier::get()->show({"INTEGER SCALE " + std::string(Options::video.integer_scale ? "ENABLED" : "DISABLED")});
}
void handleToggleVSync() {
Screen::get()->toggleVSync();
Notifier::get()->show({"V-SYNC " + std::string(Options::video.vertical_sync ? "ENABLED" : "DISABLED")});
}
#ifdef _DEBUG
void handleShowDebugInfo() {
Screen::get()->toggleDebugInfo();
}
/*
void handleToggleDebug() {
Debug::get()->toggleEnabled();
Notifier::get()->show({"DEBUG " + std::string(Debug::get()->isEnabled() ? "ENABLED" : "DISABLED")}, Notifier::TextAlign::CENTER);
}
*/
#endif
// Detecta qué acción global ha sido presionada (si alguna)
auto getPressedAction() -> InputAction {
if (Input::get()->checkAction(InputAction::EXIT, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::EXIT;
}
if (Input::get()->checkAction(InputAction::ACCEPT, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::ACCEPT;
}
if (Input::get()->checkAction(InputAction::TOGGLE_BORDER, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::TOGGLE_BORDER;
}
if (Input::get()->checkAction(InputAction::TOGGLE_FULLSCREEN, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::TOGGLE_FULLSCREEN;
}
if (Input::get()->checkAction(InputAction::WINDOW_DEC_ZOOM, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::WINDOW_DEC_ZOOM;
}
if (Input::get()->checkAction(InputAction::WINDOW_INC_ZOOM, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::WINDOW_INC_ZOOM;
}
if (Input::get()->checkAction(InputAction::TOGGLE_SHADERS, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::TOGGLE_SHADERS;
}
if (Input::get()->checkAction(InputAction::NEXT_PALETTE, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::NEXT_PALETTE;
}
if (Input::get()->checkAction(InputAction::PREVIOUS_PALETTE, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::PREVIOUS_PALETTE;
}
if (Input::get()->checkAction(InputAction::TOGGLE_INTEGER_SCALE, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::TOGGLE_INTEGER_SCALE;
}
if (Input::get()->checkAction(InputAction::TOGGLE_VSYNC, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::TOGGLE_VSYNC;
}
if (Input::get()->checkAction(InputAction::TOGGLE_DEBUG, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::TOGGLE_DEBUG;
}
if (Input::get()->checkAction(InputAction::SHOW_DEBUG_INFO, Input::DO_NOT_ALLOW_REPEAT)) {
return InputAction::SHOW_DEBUG_INFO;
}
return InputAction::NONE;
}
} // namespace
// Funciones públicas
// Comprueba los inputs que se pueden introducir en cualquier sección del juego
void handle() {
// Detectar qué acción global está siendo presionada
InputAction action = getPressedAction();
// Ejecutar el handler correspondiente usando switch statement
switch (action) {
case InputAction::EXIT:
handleQuit();
break;
case InputAction::ACCEPT:
handleSkipSection();
break;
case InputAction::TOGGLE_BORDER:
handleToggleBorder();
break;
case InputAction::TOGGLE_FULLSCREEN:
handleToggleVideoMode();
break;
case InputAction::WINDOW_DEC_ZOOM:
handleDecWindowZoom();
break;
case InputAction::WINDOW_INC_ZOOM:
handleIncWindowZoom();
break;
case InputAction::TOGGLE_SHADERS:
handleToggleShaders();
break;
case InputAction::NEXT_PALETTE:
handleNextPalette();
break;
case InputAction::PREVIOUS_PALETTE:
handlePreviousPalette();
break;
case InputAction::TOGGLE_INTEGER_SCALE:
handleToggleIntegerScale();
break;
case InputAction::TOGGLE_VSYNC:
handleToggleVSync();
break;
case InputAction::TOGGLE_DEBUG:
// handleToggleDebug();
break;
#ifdef _DEBUG
case InputAction::SHOW_DEBUG_INFO:
handleShowDebugInfo();
break;
#endif
case InputAction::NONE:
default:
// No se presionó ninguna acción global
break;
}
}
} // namespace GlobalInputs

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#pragma once
namespace GlobalInputs {
// Comprueba los inputs que se pueden introducir en cualquier sección del juego
void handle();
} // namespace GlobalInputs

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#include "core/input/input.hpp"
#include <SDL3/SDL.h> // Para SDL_GetGamepadAxis, SDL_GamepadAxis, SDL_GamepadButton, SDL_GetError, SDL_JoystickID, SDL_AddGamepadMappingsFromFile, SDL_Event, SDL_EventType, SDL_GetGamepadButton, SDL_GetKeyboardState, SDL_INIT_GAMEPAD, SDL_InitSubSystem, SDL_LogError, SDL_OpenGamepad, SDL_PollEvent, SDL_WasInit, Sint16, SDL_Gamepad, SDL_LogCategory, SDL_Scancode
#include <iostream> // Para basic_ostream, operator<<, cout, cerr
#include <memory> // Para shared_ptr, __shared_ptr_access, allocator, operator==, make_shared
#include <ranges> // Para __find_if_fn, find_if
#include <unordered_map> // Para unordered_map, _Node_iterator, operator==, _Node_iterator_base, _Node_const_iterator
#include <utility> // Para pair, move
#include "game/options.hpp" // Para Options::controls
// Singleton
Input* Input::instance = nullptr;
// Inicializa la instancia única del singleton
void Input::init(const std::string& game_controller_db_path) {
Input::instance = new Input(game_controller_db_path);
}
// Libera la instancia
void Input::destroy() { delete Input::instance; }
// Obtiene la instancia
auto Input::get() -> Input* { return Input::instance; }
// Constructor
Input::Input(std::string game_controller_db_path)
: gamepad_mappings_file_(std::move(game_controller_db_path)) {
// Inicializar bindings del teclado
keyboard_.bindings = {
// Movimiento del jugador
{Action::LEFT, KeyState{.scancode = SDL_SCANCODE_LEFT}},
{Action::RIGHT, KeyState{.scancode = SDL_SCANCODE_RIGHT}},
{Action::JUMP, KeyState{.scancode = SDL_SCANCODE_UP}},
// Inputs de control
{Action::ACCEPT, KeyState{.scancode = SDL_SCANCODE_RETURN}},
{Action::CANCEL, KeyState{.scancode = SDL_SCANCODE_ESCAPE}},
{Action::EXIT, KeyState{.scancode = SDL_SCANCODE_ESCAPE}},
// Inputs de sistema
{Action::WINDOW_DEC_ZOOM, KeyState{.scancode = SDL_SCANCODE_F1}},
{Action::WINDOW_INC_ZOOM, KeyState{.scancode = SDL_SCANCODE_F2}},
{Action::TOGGLE_FULLSCREEN, KeyState{.scancode = SDL_SCANCODE_F3}},
{Action::TOGGLE_SHADERS, KeyState{.scancode = SDL_SCANCODE_F4}},
{Action::NEXT_PALETTE, KeyState{.scancode = SDL_SCANCODE_F5}},
{Action::PREVIOUS_PALETTE, KeyState{.scancode = SDL_SCANCODE_F6}},
{Action::TOGGLE_INTEGER_SCALE, KeyState{.scancode = SDL_SCANCODE_F7}},
{Action::TOGGLE_MUSIC, KeyState{.scancode = SDL_SCANCODE_F8}},
{Action::TOGGLE_BORDER, KeyState{.scancode = SDL_SCANCODE_F9}},
{Action::TOGGLE_VSYNC, KeyState{.scancode = SDL_SCANCODE_F10}},
{Action::PAUSE, KeyState{.scancode = SDL_SCANCODE_F11}},
{Action::TOGGLE_DEBUG, KeyState{.scancode = SDL_SCANCODE_F12}}};
initSDLGamePad(); // Inicializa el subsistema SDL_INIT_GAMEPAD
}
// Asigna inputs a teclas
void Input::bindKey(Action action, SDL_Scancode code) {
keyboard_.bindings[action].scancode = code;
}
// Aplica las teclas configuradas desde Options
void Input::applyKeyboardBindingsFromOptions() {
bindKey(Action::LEFT, Options::keyboard_controls.key_left);
bindKey(Action::RIGHT, Options::keyboard_controls.key_right);
bindKey(Action::JUMP, Options::keyboard_controls.key_jump);
}
// Aplica configuración de botones del gamepad desde Options al primer gamepad conectado
void Input::applyGamepadBindingsFromOptions() {
// Si no hay gamepads conectados, no hay nada que hacer
if (gamepads_.empty()) {
return;
}
// Obtener el primer gamepad conectado
const auto& gamepad = gamepads_[0];
// Aplicar bindings desde Options
// Los valores pueden ser:
// - 0-20+: Botones SDL_GamepadButton (DPAD, face buttons, shoulders)
// - 100: L2 trigger
// - 101: R2 trigger
// - 200+: Ejes del stick analógico
gamepad->bindings[Action::LEFT].button = Options::gamepad_controls.button_left;
gamepad->bindings[Action::RIGHT].button = Options::gamepad_controls.button_right;
gamepad->bindings[Action::JUMP].button = Options::gamepad_controls.button_jump;
}
// Asigna inputs a botones del mando
void Input::bindGameControllerButton(const std::shared_ptr<Gamepad>& gamepad, Action action, SDL_GamepadButton button) {
if (gamepad != nullptr) {
gamepad->bindings[action].button = button;
}
}
// Asigna inputs a botones del mando
void Input::bindGameControllerButton(const std::shared_ptr<Gamepad>& gamepad, Action action_target, Action action_source) {
if (gamepad != nullptr) {
gamepad->bindings[action_target].button = gamepad->bindings[action_source].button;
}
}
// Comprueba si alguna acción está activa
auto Input::checkAction(Action action, bool repeat, bool check_keyboard, const std::shared_ptr<Gamepad>& gamepad) -> bool {
bool success_keyboard = false;
bool success_controller = false;
if (check_keyboard) {
if (repeat) { // El usuario quiere saber si está pulsada (estado mantenido)
success_keyboard = keyboard_.bindings[action].is_held;
} else { // El usuario quiere saber si ACABA de ser pulsada (evento de un solo fotograma)
success_keyboard = keyboard_.bindings[action].just_pressed;
}
}
// Si gamepad es nullptr pero hay mandos conectados, usar el primero
std::shared_ptr<Gamepad> active_gamepad = gamepad;
if (active_gamepad == nullptr && !gamepads_.empty()) {
active_gamepad = gamepads_[0];
}
if (active_gamepad != nullptr) {
success_controller = checkAxisInput(action, active_gamepad, repeat);
if (!success_controller) {
success_controller = checkTriggerInput(action, active_gamepad, repeat);
}
if (!success_controller) {
if (repeat) { // El usuario quiere saber si está pulsada (estado mantenido)
success_controller = active_gamepad->bindings[action].is_held;
} else { // El usuario quiere saber si ACABA de ser pulsada (evento de un solo fotograma)
success_controller = active_gamepad->bindings[action].just_pressed;
}
}
}
return (success_keyboard || success_controller);
}
// Comprueba si hay almenos una acción activa
auto Input::checkAnyInput(bool check_keyboard, const std::shared_ptr<Gamepad>& gamepad) -> bool {
// Obtenemos el número total de acciones posibles para iterar sobre ellas.
// --- Comprobación del Teclado ---
if (check_keyboard) {
for (const auto& pair : keyboard_.bindings) {
// Simplemente leemos el estado pre-calculado por Input::update().
// Ya no se llama a SDL_GetKeyboardState ni se modifica el estado '.active'.
if (pair.second.just_pressed) {
return true; // Se encontró una acción recién pulsada.
}
}
}
// Si gamepad es nullptr pero hay mandos conectados, usar el primero
std::shared_ptr<Gamepad> active_gamepad = gamepad;
if (active_gamepad == nullptr && !gamepads_.empty()) {
active_gamepad = gamepads_[0];
}
// --- Comprobación del Mando ---
// Comprobamos si hay mandos y si el índice solicitado es válido.
if (active_gamepad != nullptr) {
// Iteramos sobre todas las acciones, no sobre el número de mandos.
for (const auto& pair : active_gamepad->bindings) {
// Leemos el estado pre-calculado para el mando y la acción específicos.
if (pair.second.just_pressed) {
return true; // Se encontró una acción recién pulsada en el mando.
}
}
}
// Si llegamos hasta aquí, no se detectó ninguna nueva pulsación.
return false;
}
// Comprueba si hay algún botón pulsado
auto Input::checkAnyButton(bool repeat) -> bool {
// Solo comprueba los botones definidos previamente
for (auto bi : BUTTON_INPUTS) {
// Comprueba el teclado
if (checkAction(bi, repeat, CHECK_KEYBOARD)) {
return true;
}
// Comprueba los mandos
for (const auto& gamepad : gamepads_) {
if (checkAction(bi, repeat, DO_NOT_CHECK_KEYBOARD, gamepad)) {
return true;
}
}
}
return false;
}
// Comprueba si hay algun mando conectado
auto Input::gameControllerFound() const -> bool { return !gamepads_.empty(); }
// Obten el nombre de un mando de juego
auto Input::getControllerName(const std::shared_ptr<Gamepad>& gamepad) -> std::string {
return gamepad == nullptr ? std::string() : gamepad->name;
}
// Obtiene la lista de nombres de mandos
auto Input::getControllerNames() const -> std::vector<std::string> {
std::vector<std::string> names;
for (const auto& gamepad : gamepads_) {
names.push_back(gamepad->name);
}
return names;
}
// Obten el número de mandos conectados
auto Input::getNumGamepads() const -> int { return gamepads_.size(); }
// Obtiene el gamepad a partir de un event.id
auto Input::getGamepad(SDL_JoystickID id) const -> std::shared_ptr<Input::Gamepad> {
for (const auto& gamepad : gamepads_) {
if (gamepad->instance_id == id) {
return gamepad;
}
}
return nullptr;
}
auto Input::getGamepadByName(const std::string& name) const -> std::shared_ptr<Input::Gamepad> {
for (const auto& gamepad : gamepads_) {
if (gamepad && gamepad->name == name) {
return gamepad;
}
}
return nullptr;
}
// Obtiene el SDL_GamepadButton asignado a un action
auto Input::getControllerBinding(const std::shared_ptr<Gamepad>& gamepad, Action action) -> SDL_GamepadButton {
return static_cast<SDL_GamepadButton>(gamepad->bindings[action].button);
}
// Comprueba el eje del mando
auto Input::checkAxisInput(Action action, const std::shared_ptr<Gamepad>& gamepad, bool repeat) -> bool {
// Obtener el binding configurado para esta acción
auto& binding = gamepad->bindings[action];
// Solo revisar ejes si el binding está configurado como eje (valores 200+)
// 200 = Left stick izquierda, 201 = Left stick derecha
if (binding.button < 200) {
// El binding no es un eje, no revisar axis
return false;
}
// Determinar qué eje y dirección revisar según el binding
bool axis_active_now = false;
if (binding.button == 200) {
// Left stick izquierda
axis_active_now = SDL_GetGamepadAxis(gamepad->pad, SDL_GAMEPAD_AXIS_LEFTX) < -AXIS_THRESHOLD;
} else if (binding.button == 201) {
// Left stick derecha
axis_active_now = SDL_GetGamepadAxis(gamepad->pad, SDL_GAMEPAD_AXIS_LEFTX) > AXIS_THRESHOLD;
} else {
// Binding de eje no soportado
return false;
}
if (repeat) {
// Si se permite repetir, simplemente devolvemos el estado actual
return axis_active_now;
} // Si no se permite repetir, aplicamos la lógica de transición
if (axis_active_now && !binding.axis_active) {
// Transición de inactivo a activo
binding.axis_active = true;
return true;
}
if (!axis_active_now && binding.axis_active) {
// Transición de activo a inactivo
binding.axis_active = false;
}
// Mantener el estado actual
return false;
}
// Comprueba los triggers del mando como botones digitales
auto Input::checkTriggerInput(Action action, const std::shared_ptr<Gamepad>& gamepad, bool repeat) -> bool {
// Solo manejamos botones específicos que pueden ser triggers
if (gamepad->bindings[action].button != static_cast<int>(SDL_GAMEPAD_BUTTON_INVALID)) {
// Solo procesamos L2 y R2 como triggers
int button = gamepad->bindings[action].button;
// Verificar si el botón mapeado corresponde a un trigger virtual
// (Para esto necesitamos valores especiales que representen L2/R2 como botones)
bool trigger_active_now = false;
// Usamos constantes especiales para L2 y R2 como botones
if (button == TRIGGER_L2_AS_BUTTON) { // L2 como botón
Sint16 trigger_value = SDL_GetGamepadAxis(gamepad->pad, SDL_GAMEPAD_AXIS_LEFT_TRIGGER);
trigger_active_now = trigger_value > TRIGGER_THRESHOLD;
} else if (button == TRIGGER_R2_AS_BUTTON) { // R2 como botón
Sint16 trigger_value = SDL_GetGamepadAxis(gamepad->pad, SDL_GAMEPAD_AXIS_RIGHT_TRIGGER);
trigger_active_now = trigger_value > TRIGGER_THRESHOLD;
} else {
return false; // No es un trigger
}
// Referencia al binding correspondiente
auto& binding = gamepad->bindings[action];
if (repeat) {
// Si se permite repetir, simplemente devolvemos el estado actual
return trigger_active_now;
}
// Si no se permite repetir, aplicamos la lógica de transición
if (trigger_active_now && !binding.trigger_active) {
// Transición de inactivo a activo
binding.trigger_active = true;
return true;
}
if (!trigger_active_now && binding.trigger_active) {
// Transición de activo a inactivo
binding.trigger_active = false;
}
// Mantener el estado actual
return false;
}
return false;
}
void Input::addGamepadMappingsFromFile() {
if (SDL_AddGamepadMappingsFromFile(gamepad_mappings_file_.c_str()) < 0) {
std::cout << "Error, could not load " << gamepad_mappings_file_.c_str() << " file: " << SDL_GetError() << '\n';
}
}
void Input::discoverGamepads() {
SDL_Event event;
while (SDL_PollEvent(&event)) {
handleEvent(event); // Comprueba mandos conectados
}
}
void Input::initSDLGamePad() {
if (SDL_WasInit(SDL_INIT_GAMEPAD) != 1) {
if (!SDL_InitSubSystem(SDL_INIT_GAMEPAD)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GAMEPAD could not initialize! SDL Error: %s", SDL_GetError());
} else {
addGamepadMappingsFromFile();
discoverGamepads();
std::cout << "\n** INPUT SYSTEM **\n";
std::cout << "Input System initialized successfully\n";
}
}
}
void Input::resetInputStates() {
// Resetear todos los KeyBindings.active a false
for (auto& key : keyboard_.bindings) {
key.second.is_held = false;
key.second.just_pressed = false;
}
// Resetear todos los ControllerBindings.active a false
for (const auto& gamepad : gamepads_) {
for (auto& binding : gamepad->bindings) {
binding.second.is_held = false;
binding.second.just_pressed = false;
binding.second.trigger_active = false;
}
}
}
void Input::update() {
// --- TECLADO ---
const bool* key_states = SDL_GetKeyboardState(nullptr);
for (auto& binding : keyboard_.bindings) {
bool key_is_down_now = key_states[binding.second.scancode];
// El estado .is_held del fotograma anterior nos sirve para saber si es un pulso nuevo
binding.second.just_pressed = key_is_down_now && !binding.second.is_held;
binding.second.is_held = key_is_down_now;
}
// --- MANDOS ---
for (const auto& gamepad : gamepads_) {
for (auto& binding : gamepad->bindings) {
bool button_is_down_now = static_cast<int>(SDL_GetGamepadButton(gamepad->pad, static_cast<SDL_GamepadButton>(binding.second.button))) != 0;
// El estado .is_held del fotograma anterior nos sirve para saber si es un pulso nuevo
binding.second.just_pressed = button_is_down_now && !binding.second.is_held;
binding.second.is_held = button_is_down_now;
}
}
}
auto Input::handleEvent(const SDL_Event& event) -> std::string {
switch (event.type) {
case SDL_EVENT_GAMEPAD_ADDED:
return addGamepad(event.gdevice.which);
case SDL_EVENT_GAMEPAD_REMOVED:
return removeGamepad(event.gdevice.which);
}
return {};
}
auto Input::addGamepad(int device_index) -> std::string {
SDL_Gamepad* pad = SDL_OpenGamepad(device_index);
if (pad == nullptr) {
std::cerr << "Error al abrir el gamepad: " << SDL_GetError() << '\n';
return {};
}
auto gamepad = std::make_shared<Gamepad>(pad);
auto name = gamepad->name;
std::cout << "Gamepad connected (" << name << ")" << '\n';
gamepads_.push_back(std::move(gamepad));
return name + " CONNECTED";
}
auto Input::removeGamepad(SDL_JoystickID id) -> std::string {
auto it = std::ranges::find_if(gamepads_, [id](const std::shared_ptr<Gamepad>& gamepad) {
return gamepad->instance_id == id;
});
if (it != gamepads_.end()) {
std::string name = (*it)->name;
std::cout << "Gamepad disconnected (" << name << ")" << '\n';
gamepads_.erase(it);
return name + " DISCONNECTED";
}
std::cerr << "No se encontró el gamepad con ID " << id << '\n';
return {};
}
void Input::printConnectedGamepads() const {
if (gamepads_.empty()) {
std::cout << "No hay gamepads conectados." << '\n';
return;
}
std::cout << "Gamepads conectados:\n";
for (const auto& gamepad : gamepads_) {
std::string name = gamepad->name.empty() ? "Desconocido" : gamepad->name;
std::cout << " - ID: " << gamepad->instance_id
<< ", Nombre: " << name << ")" << '\n';
}
}
auto Input::findAvailableGamepadByName(const std::string& gamepad_name) -> std::shared_ptr<Input::Gamepad> {
// Si no hay gamepads disponibles, devolver gamepad por defecto
if (gamepads_.empty()) {
return nullptr;
}
// Buscar por nombre
for (const auto& gamepad : gamepads_) {
if (gamepad && gamepad->name == gamepad_name) {
return gamepad;
}
}
// Si no se encuentra por nombre, devolver el primer gamepad válido
for (const auto& gamepad : gamepads_) {
if (gamepad) {
return gamepad;
}
}
// Si llegamos aquí, no hay gamepads válidos
return nullptr;
}

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#pragma once
#include <SDL3/SDL.h> // Para SDL_Scancode, SDL_GamepadButton, SDL_JoystickID, SDL_CloseGamepad, SDL_Gamepad, SDL_GetGamepadJoystick, SDL_GetGamepadName, SDL_GetGamepadPath, SDL_GetJoystickID, Sint16, Uint8, SDL_Event
#include <array> // Para array
#include <memory> // Para shared_ptr
#include <string> // Para string, basic_string
#include <unordered_map> // Para unordered_map
#include <utility> // Para pair
#include <vector> // Para vector
#include "core/input/input_types.hpp" // for InputAction
// --- Clase Input: gestiona la entrada de teclado y mandos (singleton) ---
class Input {
public:
// --- Constantes ---
static constexpr bool ALLOW_REPEAT = true; // Permite repetición
static constexpr bool DO_NOT_ALLOW_REPEAT = false; // No permite repetición
static constexpr bool CHECK_KEYBOARD = true; // Comprueba teclado
static constexpr bool DO_NOT_CHECK_KEYBOARD = false; // No comprueba teclado
static constexpr int TRIGGER_L2_AS_BUTTON = 100; // L2 como botón
static constexpr int TRIGGER_R2_AS_BUTTON = 101; // R2 como botón
// --- Tipos ---
using Action = InputAction; // Alias para mantener compatibilidad
// --- Estructuras ---
struct KeyState {
Uint8 scancode{0}; // Scancode asociado
bool is_held{false}; // Está pulsada ahora mismo
bool just_pressed{false}; // Se acaba de pulsar en este fotograma
};
struct ButtonState {
int button{static_cast<int>(SDL_GAMEPAD_BUTTON_INVALID)}; // GameControllerButton asociado
bool is_held{false}; // Está pulsada ahora mismo
bool just_pressed{false}; // Se acaba de pulsar en este fotograma
bool axis_active{false}; // Estado del eje
bool trigger_active{false}; // Estado del trigger como botón digital
};
struct Keyboard {
std::unordered_map<Action, KeyState> bindings; // Mapa de acciones a estados de tecla
};
struct Gamepad {
SDL_Gamepad* pad{nullptr}; // Puntero al gamepad SDL
SDL_JoystickID instance_id{0}; // ID de instancia del joystick
std::string name; // Nombre del gamepad
std::string path; // Ruta del dispositivo
std::unordered_map<Action, ButtonState> bindings; // Mapa de acciones a estados de botón
explicit Gamepad(SDL_Gamepad* gamepad)
: pad(gamepad),
instance_id(SDL_GetJoystickID(SDL_GetGamepadJoystick(gamepad))),
name(std::string(SDL_GetGamepadName(gamepad))),
path(std::string(SDL_GetGamepadPath(pad))),
bindings{
// Movimiento del jugador
{Action::LEFT, ButtonState{.button = static_cast<int>(SDL_GAMEPAD_BUTTON_DPAD_LEFT)}},
{Action::RIGHT, ButtonState{.button = static_cast<int>(SDL_GAMEPAD_BUTTON_DPAD_RIGHT)}},
{Action::JUMP, ButtonState{.button = static_cast<int>(SDL_GAMEPAD_BUTTON_WEST)}}} {}
~Gamepad() {
if (pad != nullptr) {
SDL_CloseGamepad(pad);
}
}
// Reasigna un botón a una acción
void rebindAction(Action action, SDL_GamepadButton new_button) {
bindings[action].button = static_cast<int>(new_button);
}
};
// --- Tipos ---
using Gamepads = std::vector<std::shared_ptr<Gamepad>>; // Vector de gamepads
// --- Singleton ---
static void init(const std::string& game_controller_db_path);
static void destroy();
static auto get() -> Input*;
// --- Actualización del sistema ---
void update(); // Actualiza estados de entrada
// --- Configuración de controles ---
void bindKey(Action action, SDL_Scancode code);
void applyKeyboardBindingsFromOptions();
void applyGamepadBindingsFromOptions();
static void bindGameControllerButton(const std::shared_ptr<Gamepad>& gamepad, Action action, SDL_GamepadButton button);
static void bindGameControllerButton(const std::shared_ptr<Gamepad>& gamepad, Action action_target, Action action_source);
// --- Consulta de entrada ---
auto checkAction(Action action, bool repeat = true, bool check_keyboard = true, const std::shared_ptr<Gamepad>& gamepad = nullptr) -> bool;
auto checkAnyInput(bool check_keyboard = true, const std::shared_ptr<Gamepad>& gamepad = nullptr) -> bool;
auto checkAnyButton(bool repeat = DO_NOT_ALLOW_REPEAT) -> bool;
void resetInputStates();
// --- Gestión de gamepads ---
[[nodiscard]] auto gameControllerFound() const -> bool;
[[nodiscard]] auto getNumGamepads() const -> int;
auto getGamepad(SDL_JoystickID id) const -> std::shared_ptr<Gamepad>;
auto getGamepadByName(const std::string& name) const -> std::shared_ptr<Input::Gamepad>;
auto getGamepads() const -> const Gamepads& { return gamepads_; }
auto findAvailableGamepadByName(const std::string& gamepad_name) -> std::shared_ptr<Gamepad>;
static auto getControllerName(const std::shared_ptr<Gamepad>& gamepad) -> std::string;
auto getControllerNames() const -> std::vector<std::string>;
[[nodiscard]] static auto getControllerBinding(const std::shared_ptr<Gamepad>& gamepad, Action action) -> SDL_GamepadButton;
void printConnectedGamepads() const;
// --- Eventos ---
auto handleEvent(const SDL_Event& event) -> std::string;
private:
// --- Constantes ---
static constexpr Sint16 AXIS_THRESHOLD = 30000; // Umbral para ejes analógicos
static constexpr Sint16 TRIGGER_THRESHOLD = 16384; // Umbral para triggers (50% del rango)
static constexpr std::array<Action, 1> BUTTON_INPUTS = {Action::JUMP}; // Inputs que usan botones
// --- Métodos ---
explicit Input(std::string game_controller_db_path);
~Input() = default;
void initSDLGamePad();
static auto checkAxisInput(Action action, const std::shared_ptr<Gamepad>& gamepad, bool repeat) -> bool;
static auto checkTriggerInput(Action action, const std::shared_ptr<Gamepad>& gamepad, bool repeat) -> bool;
auto addGamepad(int device_index) -> std::string;
auto removeGamepad(SDL_JoystickID id) -> std::string;
void addGamepadMappingsFromFile();
void discoverGamepads();
// --- Variables miembro ---
static Input* instance; // Instancia única del singleton
Gamepads gamepads_; // Lista de gamepads conectados
Keyboard keyboard_{}; // Estado del teclado
std::string gamepad_mappings_file_; // Ruta al archivo de mappings
};

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#include "input_types.hpp"
#include <utility> // Para pair
// Definición de los mapas
const std::unordered_map<InputAction, std::string> ACTION_TO_STRING = {
{InputAction::LEFT, "LEFT"},
{InputAction::RIGHT, "RIGHT"},
{InputAction::JUMP, "JUMP"},
{InputAction::PAUSE, "PAUSE"},
{InputAction::EXIT, "EXIT"},
{InputAction::ACCEPT, "ACCEPT"},
{InputAction::CANCEL, "CANCEL"},
{InputAction::WINDOW_INC_ZOOM, "WINDOW_INC_ZOOM"},
{InputAction::WINDOW_DEC_ZOOM, "WINDOW_DEC_ZOOM"},
{InputAction::TOGGLE_FULLSCREEN, "TOGGLE_FULLSCREEN"},
{InputAction::TOGGLE_VSYNC, "TOGGLE_VSYNC"},
{InputAction::TOGGLE_INTEGER_SCALE, "TOGGLE_INTEGER_SCALE"},
{InputAction::TOGGLE_BORDER, "TOGGLE_BORDER"},
{InputAction::TOGGLE_MUSIC, "TOGGLE_MUSIC"},
{InputAction::NEXT_PALETTE, "NEXT_PALETTE"},
{InputAction::PREVIOUS_PALETTE, "PREVIOUS_PALETTE"},
{InputAction::TOGGLE_SHADERS, "TOGGLE_SHADERS"},
{InputAction::SHOW_DEBUG_INFO, "SHOW_DEBUG_INFO"},
{InputAction::TOGGLE_DEBUG, "TOGGLE_DEBUG"},
{InputAction::NONE, "NONE"}};
const std::unordered_map<std::string, InputAction> STRING_TO_ACTION = {
{"LEFT", InputAction::LEFT},
{"RIGHT", InputAction::RIGHT},
{"JUMP", InputAction::JUMP},
{"PAUSE", InputAction::PAUSE},
{"EXIT", InputAction::EXIT},
{"ACCEPT", InputAction::ACCEPT},
{"CANCEL", InputAction::CANCEL},
{"WINDOW_INC_ZOOM", InputAction::WINDOW_INC_ZOOM},
{"WINDOW_DEC_ZOOM", InputAction::WINDOW_DEC_ZOOM},
{"TOGGLE_FULLSCREEN", InputAction::TOGGLE_FULLSCREEN},
{"TOGGLE_VSYNC", InputAction::TOGGLE_VSYNC},
{"TOGGLE_INTEGER_SCALE", InputAction::TOGGLE_INTEGER_SCALE},
{"TOGGLE_BORDER", InputAction::TOGGLE_BORDER},
{"TOGGLE_MUSIC", InputAction::TOGGLE_MUSIC},
{"NEXT_PALETTE", InputAction::NEXT_PALETTE},
{"PREVIOUS_PALETTE", InputAction::PREVIOUS_PALETTE},
{"TOGGLE_SHADERS", InputAction::TOGGLE_SHADERS},
{"SHOW_DEBUG_INFO", InputAction::SHOW_DEBUG_INFO},
{"TOGGLE_DEBUG", InputAction::TOGGLE_DEBUG},
{"NONE", InputAction::NONE}};
const std::unordered_map<SDL_GamepadButton, std::string> BUTTON_TO_STRING = {
{SDL_GAMEPAD_BUTTON_WEST, "WEST"},
{SDL_GAMEPAD_BUTTON_NORTH, "NORTH"},
{SDL_GAMEPAD_BUTTON_EAST, "EAST"},
{SDL_GAMEPAD_BUTTON_SOUTH, "SOUTH"},
{SDL_GAMEPAD_BUTTON_START, "START"},
{SDL_GAMEPAD_BUTTON_BACK, "BACK"},
{SDL_GAMEPAD_BUTTON_LEFT_SHOULDER, "LEFT_SHOULDER"},
{SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER, "RIGHT_SHOULDER"},
{SDL_GAMEPAD_BUTTON_DPAD_UP, "DPAD_UP"},
{SDL_GAMEPAD_BUTTON_DPAD_DOWN, "DPAD_DOWN"},
{SDL_GAMEPAD_BUTTON_DPAD_LEFT, "DPAD_LEFT"},
{SDL_GAMEPAD_BUTTON_DPAD_RIGHT, "DPAD_RIGHT"},
{static_cast<SDL_GamepadButton>(100), "L2_AS_BUTTON"},
{static_cast<SDL_GamepadButton>(101), "R2_AS_BUTTON"}};
const std::unordered_map<std::string, SDL_GamepadButton> STRING_TO_BUTTON = {
{"WEST", SDL_GAMEPAD_BUTTON_WEST},
{"NORTH", SDL_GAMEPAD_BUTTON_NORTH},
{"EAST", SDL_GAMEPAD_BUTTON_EAST},
{"SOUTH", SDL_GAMEPAD_BUTTON_SOUTH},
{"START", SDL_GAMEPAD_BUTTON_START},
{"BACK", SDL_GAMEPAD_BUTTON_BACK},
{"LEFT_SHOULDER", SDL_GAMEPAD_BUTTON_LEFT_SHOULDER},
{"RIGHT_SHOULDER", SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER},
{"DPAD_UP", SDL_GAMEPAD_BUTTON_DPAD_UP},
{"DPAD_DOWN", SDL_GAMEPAD_BUTTON_DPAD_DOWN},
{"DPAD_LEFT", SDL_GAMEPAD_BUTTON_DPAD_LEFT},
{"DPAD_RIGHT", SDL_GAMEPAD_BUTTON_DPAD_RIGHT},
{"L2_AS_BUTTON", static_cast<SDL_GamepadButton>(100)},
{"R2_AS_BUTTON", static_cast<SDL_GamepadButton>(101)}};

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#pragma once
#include <SDL3/SDL.h>
#include <string>
#include <unordered_map>
// --- Enums ---
enum class InputAction : int { // Acciones de entrada posibles en el juego
// Inputs de movimiento
LEFT,
RIGHT,
JUMP,
// Inputs de control
PAUSE,
EXIT,
ACCEPT,
CANCEL,
// Inputs de sistema
WINDOW_INC_ZOOM,
WINDOW_DEC_ZOOM,
TOGGLE_FULLSCREEN,
TOGGLE_VSYNC,
TOGGLE_INTEGER_SCALE,
TOGGLE_SHADERS,
TOGGLE_BORDER,
TOGGLE_MUSIC,
NEXT_PALETTE,
PREVIOUS_PALETTE,
SHOW_DEBUG_INFO,
TOGGLE_DEBUG,
// Input obligatorio
NONE,
SIZE,
};
// --- Variables ---
extern const std::unordered_map<InputAction, std::string> ACTION_TO_STRING; // Mapeo de acción a string
extern const std::unordered_map<std::string, InputAction> STRING_TO_ACTION; // Mapeo de string a acción
extern const std::unordered_map<SDL_GamepadButton, std::string> BUTTON_TO_STRING; // Mapeo de botón a string
extern const std::unordered_map<std::string, SDL_GamepadButton> STRING_TO_BUTTON; // Mapeo de string a botón

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#include "core/input/mouse.hpp"
namespace Mouse {
Uint32 cursor_hide_time = 3000; // Tiempo en milisegundos para ocultar el cursor
Uint32 last_mouse_move_time = 0; // Última vez que el ratón se movió
bool cursor_visible = true; // Estado del cursor
void handleEvent(const SDL_Event& event) {
if (event.type == SDL_EVENT_MOUSE_MOTION) {
last_mouse_move_time = SDL_GetTicks();
if (!cursor_visible) {
SDL_ShowCursor();
cursor_visible = true;
}
}
}
void updateCursorVisibility() {
Uint32 current_time = SDL_GetTicks();
if (cursor_visible && (current_time - last_mouse_move_time > cursor_hide_time)) {
SDL_HideCursor();
cursor_visible = false;
}
}
} // namespace Mouse

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#pragma once
#include <SDL3/SDL.h>
namespace Mouse {
extern Uint32 cursor_hide_time; // Tiempo en milisegundos para ocultar el cursor
extern Uint32 last_mouse_move_time; // Última vez que el ratón se movió
extern bool cursor_visible; // Estado del cursor
void handleEvent(const SDL_Event& event);
void updateCursorVisibility();
} // namespace Mouse

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#include "core/rendering/gif.hpp"
#include <cstring> // Para memcpy, size_t
#include <iostream> // Para std::cout
#include <stdexcept> // Para runtime_error
#include <string> // Para allocator, char_traits, operator==, basic_string
namespace GIF {
// Función inline para reemplazar el macro READ.
// Actualiza el puntero 'buffer' tras copiar 'size' bytes a 'dst'.
inline void readBytes(const uint8_t*& buffer, void* dst, size_t size) {
std::memcpy(dst, buffer, size);
buffer += size;
}
// Inicializa el diccionario LZW con los valores iniciales
inline void initializeDictionary(std::vector<DictionaryEntry>& dictionary, int code_length, int& dictionary_ind) {
int size = 1 << code_length;
dictionary.resize(1 << (code_length + 1));
for (dictionary_ind = 0; dictionary_ind < size; dictionary_ind++) {
dictionary[dictionary_ind].byte = static_cast<uint8_t>(dictionary_ind);
dictionary[dictionary_ind].prev = -1;
dictionary[dictionary_ind].len = 1;
}
dictionary_ind += 2; // Reservamos espacio para clear y stop codes
}
// Lee los próximos bits del stream de entrada para formar un código
inline auto readNextCode(const uint8_t*& input, int& input_length, unsigned int& mask, int code_length) -> int {
int code = 0;
for (int i = 0; i < (code_length + 1); i++) {
if (input_length <= 0) {
throw std::runtime_error("Unexpected end of input in decompress");
}
int bit = ((*input & mask) != 0) ? 1 : 0;
mask <<= 1;
if (mask == 0x100) {
mask = 0x01;
input++;
input_length--;
}
code |= (bit << i);
}
return code;
}
// Encuentra el primer byte de una cadena del diccionario
inline auto findFirstByte(const std::vector<DictionaryEntry>& dictionary, int code) -> uint8_t {
int ptr = code;
while (dictionary[ptr].prev != -1) {
ptr = dictionary[ptr].prev;
}
return dictionary[ptr].byte;
}
// Agrega una nueva entrada al diccionario
inline void addDictionaryEntry(std::vector<DictionaryEntry>& dictionary, int& dictionary_ind, int& code_length, int prev, int code) {
uint8_t first_byte;
if (code == dictionary_ind) {
first_byte = findFirstByte(dictionary, prev);
} else {
first_byte = findFirstByte(dictionary, code);
}
dictionary[dictionary_ind].byte = first_byte;
dictionary[dictionary_ind].prev = prev;
dictionary[dictionary_ind].len = dictionary[prev].len + 1;
dictionary_ind++;
if ((dictionary_ind == (1 << (code_length + 1))) && (code_length < 11)) {
code_length++;
dictionary.resize(1 << (code_length + 1));
}
}
// Escribe la cadena decodificada al buffer de salida
inline auto writeDecodedString(const std::vector<DictionaryEntry>& dictionary, int code, uint8_t*& out) -> int {
int cur_code = code;
int match_len = dictionary[cur_code].len;
while (cur_code != -1) {
out[dictionary[cur_code].len - 1] = dictionary[cur_code].byte;
if (dictionary[cur_code].prev == cur_code) {
std::cerr << "Internal error; self-reference detected." << '\n';
throw std::runtime_error("Internal error in decompress: self-reference");
}
cur_code = dictionary[cur_code].prev;
}
out += match_len;
return match_len;
}
void Gif::decompress(int code_length, const uint8_t* input, int input_length, uint8_t* out) {
// Verifica que el code_length tenga un rango razonable.
if (code_length < 2 || code_length > 12) {
throw std::runtime_error("Invalid LZW code length");
}
int prev = -1;
std::vector<DictionaryEntry> dictionary;
int dictionary_ind;
unsigned int mask = 0x01;
int reset_code_length = code_length;
int clear_code = 1 << code_length;
int stop_code = clear_code + 1;
// Inicializamos el diccionario con el tamaño correspondiente.
initializeDictionary(dictionary, code_length, dictionary_ind);
// Bucle principal: procesar el stream comprimido.
while (input_length > 0) {
int code = readNextCode(input, input_length, mask, code_length);
if (code == clear_code) {
// Reinicia el diccionario.
code_length = reset_code_length;
initializeDictionary(dictionary, code_length, dictionary_ind);
prev = -1;
continue;
}
if (code == stop_code) {
break;
}
if (prev > -1 && code_length < 12) {
if (code > dictionary_ind) {
std::cerr << "code = " << std::hex << code
<< ", but dictionary_ind = " << dictionary_ind << '\n';
throw std::runtime_error("LZW error: code exceeds dictionary_ind.");
}
addDictionaryEntry(dictionary, dictionary_ind, code_length, prev, code);
}
prev = code;
// Verifica que 'code' sea un índice válido antes de usarlo.
if (code < 0 || static_cast<size_t>(code) >= dictionary.size()) {
std::cerr << "Invalid LZW code " << code
<< ", dictionary size " << dictionary.size() << '\n';
throw std::runtime_error("LZW error: invalid code encountered");
}
writeDecodedString(dictionary, code, out);
}
}
auto Gif::readSubBlocks(const uint8_t*& buffer) -> std::vector<uint8_t> {
std::vector<uint8_t> data;
uint8_t block_size = *buffer;
buffer++;
while (block_size != 0) {
data.insert(data.end(), buffer, buffer + block_size);
buffer += block_size;
block_size = *buffer;
buffer++;
}
return data;
}
auto Gif::processImageDescriptor(const uint8_t*& buffer, const std::vector<RGB>& gct, int resolution_bits) -> std::vector<uint8_t> {
ImageDescriptor image_descriptor;
// Lee 9 bytes para el image descriptor.
readBytes(buffer, &image_descriptor, sizeof(ImageDescriptor));
uint8_t lzw_code_size;
readBytes(buffer, &lzw_code_size, sizeof(uint8_t));
std::vector<uint8_t> compressed_data = readSubBlocks(buffer);
int uncompressed_data_length = image_descriptor.image_width * image_descriptor.image_height;
std::vector<uint8_t> uncompressed_data(uncompressed_data_length);
decompress(lzw_code_size, compressed_data.data(), static_cast<int>(compressed_data.size()), uncompressed_data.data());
return uncompressed_data;
}
auto Gif::loadPalette(const uint8_t* buffer) -> std::vector<uint32_t> {
uint8_t header[6];
std::memcpy(header, buffer, 6);
buffer += 6;
ScreenDescriptor screen_descriptor;
std::memcpy(&screen_descriptor, buffer, sizeof(ScreenDescriptor));
buffer += sizeof(ScreenDescriptor);
std::vector<uint32_t> global_color_table;
if ((screen_descriptor.fields & 0x80) != 0) {
int global_color_table_size = 1 << (((screen_descriptor.fields & 0x07) + 1));
global_color_table.resize(global_color_table_size);
for (int i = 0; i < global_color_table_size; ++i) {
uint8_t r = buffer[0];
uint8_t g = buffer[1];
uint8_t b = buffer[2];
global_color_table[i] = (r << 16) | (g << 8) | b;
buffer += 3;
}
}
return global_color_table;
}
auto Gif::processGifStream(const uint8_t* buffer, uint16_t& w, uint16_t& h) -> std::vector<uint8_t> {
// Leer la cabecera de 6 bytes ("GIF87a" o "GIF89a")
uint8_t header[6];
std::memcpy(header, buffer, 6);
buffer += 6;
// Opcional: Validar header
std::string header_str(reinterpret_cast<char*>(header), 6);
if (header_str != "GIF87a" && header_str != "GIF89a") {
throw std::runtime_error("Formato de archivo GIF inválido.");
}
// Leer el Screen Descriptor (7 bytes, empaquetado sin padding)
ScreenDescriptor screen_descriptor;
readBytes(buffer, &screen_descriptor, sizeof(ScreenDescriptor));
// Asigna ancho y alto
w = screen_descriptor.width;
h = screen_descriptor.height;
int color_resolution_bits = ((screen_descriptor.fields & 0x70) >> 4) + 1;
std::vector<RGB> global_color_table;
if ((screen_descriptor.fields & 0x80) != 0) {
int global_color_table_size = 1 << (((screen_descriptor.fields & 0x07) + 1));
global_color_table.resize(global_color_table_size);
std::memcpy(global_color_table.data(), buffer, 3 * global_color_table_size);
buffer += 3 * global_color_table_size;
}
// Supongamos que 'buffer' es el puntero actual y TRAILER es 0x3B
uint8_t block_type = *buffer++;
while (block_type != TRAILER) {
if (block_type == EXTENSION_INTRODUCER) // 0x21
{
// Se lee la etiqueta de extensión, la cual indica el tipo de extensión.
uint8_t extension_label = *buffer++;
switch (extension_label) {
case GRAPHIC_CONTROL: // 0xF9
{
// Procesar Graphic Control Extension:
uint8_t block_size = *buffer++; // Normalmente, blockSize == 4
buffer += block_size; // Saltamos los 4 bytes del bloque fijo
// Saltar los sub-bloques
uint8_t sub_block_size = *buffer++;
while (sub_block_size != 0) {
buffer += sub_block_size;
sub_block_size = *buffer++;
}
break;
}
case APPLICATION_EXTENSION: // 0xFF
case COMMENT_EXTENSION: // 0xFE
case PLAINTEXT_EXTENSION: // 0x01
{
// Para estas extensiones, saltamos el bloque fijo y los sub-bloques.
uint8_t block_size = *buffer++;
buffer += block_size;
uint8_t sub_block_size = *buffer++;
while (sub_block_size != 0) {
buffer += sub_block_size;
sub_block_size = *buffer++;
}
break;
}
default: {
// Si la etiqueta de extensión es desconocida, saltarla también:
uint8_t block_size = *buffer++;
buffer += block_size;
uint8_t sub_block_size = *buffer++;
while (sub_block_size != 0) {
buffer += sub_block_size;
sub_block_size = *buffer++;
}
break;
}
}
} else if (block_type == IMAGE_DESCRIPTOR) {
// Procesar el Image Descriptor y retornar los datos de imagen
return processImageDescriptor(buffer, global_color_table, color_resolution_bits);
} else {
std::cerr << "Unrecognized block type " << std::hex << static_cast<int>(block_type) << '\n';
return std::vector<uint8_t>{};
}
block_type = *buffer++;
}
return std::vector<uint8_t>{};
}
auto Gif::loadGif(const uint8_t* buffer, uint16_t& w, uint16_t& h) -> std::vector<uint8_t> {
return processGifStream(buffer, w, h);
}
} // namespace GIF

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#pragma once
#include <cstdint> // Para uint8_t, uint16_t, uint32_t
#include <vector> // Para vector
namespace GIF {
// Constantes definidas con constexpr, en lugar de macros
constexpr uint8_t EXTENSION_INTRODUCER = 0x21;
constexpr uint8_t IMAGE_DESCRIPTOR = 0x2C;
constexpr uint8_t TRAILER = 0x3B;
constexpr uint8_t GRAPHIC_CONTROL = 0xF9;
constexpr uint8_t APPLICATION_EXTENSION = 0xFF;
constexpr uint8_t COMMENT_EXTENSION = 0xFE;
constexpr uint8_t PLAINTEXT_EXTENSION = 0x01;
#pragma pack(push, 1)
struct ScreenDescriptor {
uint16_t width;
uint16_t height;
uint8_t fields;
uint8_t background_color_index;
uint8_t pixel_aspect_ratio;
};
struct RGB {
uint8_t r, g, b;
};
struct ImageDescriptor {
uint16_t image_left_position;
uint16_t image_top_position;
uint16_t image_width;
uint16_t image_height;
uint8_t fields;
};
#pragma pack(pop)
struct DictionaryEntry {
uint8_t byte;
int prev;
int len;
};
struct Extension {
uint8_t extension_code;
uint8_t block_size;
};
struct GraphicControlExtension {
uint8_t fields;
uint16_t delay_time;
uint8_t transparent_color_index;
};
struct ApplicationExtension {
uint8_t application_id[8];
uint8_t version[3];
};
struct PlaintextExtension {
uint16_t left, top, width, height;
uint8_t cell_width, cell_height;
uint8_t foreground_color, background_color;
};
class Gif {
public:
// Descompone (uncompress) el bloque comprimido usando LZW.
// Este método puede lanzar std::runtime_error en caso de error.
static void decompress(int code_length, const uint8_t* input, int input_length, uint8_t* out);
// Carga la paleta (global color table) a partir de un buffer,
// retornándola en un vector de uint32_t (cada color se compone de R, G, B).
static auto loadPalette(const uint8_t* buffer) -> std::vector<uint32_t>;
// Carga el stream GIF; devuelve un vector con los datos de imagen sin comprimir y
// asigna el ancho y alto mediante referencias.
static auto loadGif(const uint8_t* buffer, uint16_t& w, uint16_t& h) -> std::vector<uint8_t>;
private:
// Lee los sub-bloques de datos y los acumula en un std::vector<uint8_t>.
static auto readSubBlocks(const uint8_t*& buffer) -> std::vector<uint8_t>;
// Procesa el Image Descriptor y retorna el vector de datos sin comprimir.
static auto processImageDescriptor(const uint8_t*& buffer, const std::vector<RGB>& gct, int resolution_bits) -> std::vector<uint8_t>;
// Procesa el stream completo del GIF y devuelve los datos sin comprimir.
static auto processGifStream(const uint8_t* buffer, uint16_t& w, uint16_t& h) -> std::vector<uint8_t>;
};
} // namespace GIF

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#include "core/rendering/opengl/opengl_shader.hpp"
#include <SDL3/SDL.h>
#include <algorithm>
#include <cstring>
#include <stdexcept>
#include <vector>
namespace Rendering {
OpenGLShader::~OpenGLShader() {
cleanup();
}
#ifndef __APPLE__
auto OpenGLShader::initGLExtensions() -> bool {
glCreateShader = (PFNGLCREATESHADERPROC)SDL_GL_GetProcAddress("glCreateShader");
glShaderSource = (PFNGLSHADERSOURCEPROC)SDL_GL_GetProcAddress("glShaderSource");
glCompileShader = (PFNGLCOMPILESHADERPROC)SDL_GL_GetProcAddress("glCompileShader");
glGetShaderiv = (PFNGLGETSHADERIVPROC)SDL_GL_GetProcAddress("glGetShaderiv");
glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)SDL_GL_GetProcAddress("glGetShaderInfoLog");
glDeleteShader = (PFNGLDELETESHADERPROC)SDL_GL_GetProcAddress("glDeleteShader");
glAttachShader = (PFNGLATTACHSHADERPROC)SDL_GL_GetProcAddress("glAttachShader");
glCreateProgram = (PFNGLCREATEPROGRAMPROC)SDL_GL_GetProcAddress("glCreateProgram");
glLinkProgram = (PFNGLLINKPROGRAMPROC)SDL_GL_GetProcAddress("glLinkProgram");
glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)SDL_GL_GetProcAddress("glValidateProgram");
glGetProgramiv = (PFNGLGETPROGRAMIVPROC)SDL_GL_GetProcAddress("glGetProgramiv");
glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)SDL_GL_GetProcAddress("glGetProgramInfoLog");
glUseProgram = (PFNGLUSEPROGRAMPROC)SDL_GL_GetProcAddress("glUseProgram");
glDeleteProgram = (PFNGLDELETEPROGRAMPROC)SDL_GL_GetProcAddress("glDeleteProgram");
glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)SDL_GL_GetProcAddress("glGetUniformLocation");
glUniform2f = (PFNGLUNIFORM2FPROC)SDL_GL_GetProcAddress("glUniform2f");
glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)SDL_GL_GetProcAddress("glGenVertexArrays");
glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)SDL_GL_GetProcAddress("glBindVertexArray");
glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC)SDL_GL_GetProcAddress("glDeleteVertexArrays");
glGenBuffers = (PFNGLGENBUFFERSPROC)SDL_GL_GetProcAddress("glGenBuffers");
glBindBuffer = (PFNGLBINDBUFFERPROC)SDL_GL_GetProcAddress("glBindBuffer");
glBufferData = (PFNGLBUFFERDATAPROC)SDL_GL_GetProcAddress("glBufferData");
glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)SDL_GL_GetProcAddress("glDeleteBuffers");
glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)SDL_GL_GetProcAddress("glVertexAttribPointer");
glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)SDL_GL_GetProcAddress("glEnableVertexAttribArray");
return (glCreateShader != nullptr) && (glShaderSource != nullptr) && (glCompileShader != nullptr) && (glGetShaderiv != nullptr) &&
(glGetShaderInfoLog != nullptr) && (glDeleteShader != nullptr) && (glAttachShader != nullptr) && (glCreateProgram != nullptr) &&
(glLinkProgram != nullptr) && (glValidateProgram != nullptr) && (glGetProgramiv != nullptr) && (glGetProgramInfoLog != nullptr) &&
(glUseProgram != nullptr) && (glDeleteProgram != nullptr) && (glGetUniformLocation != nullptr) && (glUniform2f != nullptr) &&
(glGenVertexArrays != nullptr) && (glBindVertexArray != nullptr) && (glDeleteVertexArrays != nullptr) &&
(glGenBuffers != nullptr) && (glBindBuffer != nullptr) && (glBufferData != nullptr) && (glDeleteBuffers != nullptr) &&
(glVertexAttribPointer != nullptr) && (glEnableVertexAttribArray != nullptr);
}
#endif
void OpenGLShader::checkGLError(const char* operation) {
GLenum error = glGetError();
if (error != GL_NO_ERROR) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error OpenGL en %s: 0x%x",
operation,
error);
}
}
auto OpenGLShader::compileShader(const std::string& source, GLenum shader_type) -> GLuint {
if (source.empty()) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"ERROR: El código fuente del shader está vacío");
return 0;
}
GLuint shader_id = glCreateShader(shader_type);
if (shader_id == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error al crear shader");
checkGLError("glCreateShader");
return 0;
}
const char* sources[1] = {source.c_str()};
glShaderSource(shader_id, 1, sources, nullptr);
checkGLError("glShaderSource");
glCompileShader(shader_id);
checkGLError("glCompileShader");
// Verificar compilación
GLint compiled = GL_FALSE;
glGetShaderiv(shader_id, GL_COMPILE_STATUS, &compiled);
if (compiled != GL_TRUE) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error en compilación del shader");
GLint log_length;
glGetShaderiv(shader_id, GL_INFO_LOG_LENGTH, &log_length);
if (log_length > 0) {
std::vector<char> log(log_length);
glGetShaderInfoLog(shader_id, log_length, &log_length, log.data());
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Log de compilación: %s",
log.data());
}
glDeleteShader(shader_id);
return 0;
}
return shader_id;
}
auto OpenGLShader::linkProgram(GLuint vertex_shader, GLuint fragment_shader) -> GLuint {
GLuint program = glCreateProgram();
if (program == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error al crear programa de shaders");
return 0;
}
glAttachShader(program, vertex_shader);
checkGLError("glAttachShader(vertex)");
glAttachShader(program, fragment_shader);
checkGLError("glAttachShader(fragment)");
glLinkProgram(program);
checkGLError("glLinkProgram");
// Verificar enlace
GLint linked = GL_FALSE;
glGetProgramiv(program, GL_LINK_STATUS, &linked);
if (linked != GL_TRUE) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error al enlazar programa");
GLint log_length;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &log_length);
if (log_length > 0) {
std::vector<char> log(log_length);
glGetProgramInfoLog(program, log_length, &log_length, log.data());
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Log de enlace: %s",
log.data());
}
glDeleteProgram(program);
return 0;
}
glValidateProgram(program);
checkGLError("glValidateProgram");
return program;
}
void OpenGLShader::createQuadGeometry() {
// Datos del quad: posición (x, y) + coordenadas de textura (u, v)
// Formato: x, y, u, v
float vertices[] = {
// Posición // TexCoords
-1.0F,
-1.0F,
0.0F,
0.0F, // Inferior izquierda
1.0F,
-1.0F,
1.0F,
0.0F, // Inferior derecha
1.0F,
1.0F,
1.0F,
1.0F, // Superior derecha
-1.0F,
1.0F,
0.0F,
1.0F // Superior izquierda
};
// Índices para dibujar el quad con dos triángulos
unsigned int indices[] = {
0,
1,
2, // Primer triángulo
2,
3,
0 // Segundo triángulo
};
// Generar y configurar VAO
glGenVertexArrays(1, &vao_);
glBindVertexArray(vao_);
checkGLError("glBindVertexArray");
// Generar y configurar VBO
glGenBuffers(1, &vbo_);
glBindBuffer(GL_ARRAY_BUFFER, vbo_);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
checkGLError("glBufferData(VBO)");
// Generar y configurar EBO
glGenBuffers(1, &ebo_);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo_);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
checkGLError("glBufferData(EBO)");
// Atributo 0: Posición (2 floats)
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)nullptr);
glEnableVertexAttribArray(0);
checkGLError("glVertexAttribPointer(position)");
// Atributo 1: Coordenadas de textura (2 floats)
// NOLINTNEXTLINE(performance-no-int-to-ptr) - OpenGL uses pointer as buffer offset
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), reinterpret_cast<void*>(static_cast<uintptr_t>(2 * sizeof(float))));
glEnableVertexAttribArray(1);
checkGLError("glVertexAttribPointer(texcoord)");
// Desvincular
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
}
auto OpenGLShader::getTextureID(SDL_Texture* texture) -> GLuint {
if (texture == nullptr) {
return 1;
}
SDL_PropertiesID props = SDL_GetTextureProperties(texture);
GLuint texture_id = 0;
// Intentar obtener ID de textura OpenGL
texture_id = (GLuint)(uintptr_t)SDL_GetPointerProperty(props, "SDL.texture.opengl.texture", nullptr);
if (texture_id == 0) {
texture_id = (GLuint)(uintptr_t)SDL_GetPointerProperty(props, "texture.opengl.texture", nullptr);
}
if (texture_id == 0) {
texture_id = (GLuint)SDL_GetNumberProperty(props, "SDL.texture.opengl.texture", 1);
}
if (texture_id == 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"No se pudo obtener ID de textura OpenGL, usando 1 por defecto");
texture_id = 1;
}
return texture_id;
}
auto OpenGLShader::init(SDL_Window* window,
SDL_Texture* texture,
const std::string& vertex_source,
const std::string& fragment_source) -> bool {
window_ = window;
back_buffer_ = texture;
renderer_ = SDL_GetRenderer(window);
if (renderer_ == nullptr) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error: No se pudo obtener el renderer");
return false;
}
// Obtener tamaños
SDL_GetWindowSize(window_, &window_width_, &window_height_);
SDL_GetTextureSize(back_buffer_, &texture_width_, &texture_height_);
SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION,
"Initializing shaders: window=%dx%d, texture=%.0fx%.0f",
window_width_,
window_height_,
texture_width_,
texture_height_);
// Verificar que es OpenGL
const char* renderer_name = SDL_GetRendererName(renderer_);
if ((renderer_name == nullptr) || strncmp(renderer_name, "opengl", 6) != 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Renderer is not OpenGL: %s",
(renderer_name != nullptr) ? renderer_name : "unknown");
return false;
}
#ifndef __APPLE__
// Inicializar extensiones OpenGL en Windows/Linux
if (!initGLExtensions()) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed to initialize OpenGL extensions");
return false;
}
#endif
// Limpiar shader anterior si existe
if (program_id_ != 0) {
glDeleteProgram(program_id_);
program_id_ = 0;
}
// Compilar shaders
GLuint vertex_shader = compileShader(vertex_source, GL_VERTEX_SHADER);
GLuint fragment_shader = compileShader(fragment_source, GL_FRAGMENT_SHADER);
if (vertex_shader == 0 || fragment_shader == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed to compile shaders");
if (vertex_shader != 0) {
glDeleteShader(vertex_shader);
}
if (fragment_shader != 0) {
glDeleteShader(fragment_shader);
}
return false;
}
// Enlazar programa
program_id_ = linkProgram(vertex_shader, fragment_shader);
// Limpiar shaders (ya no necesarios tras el enlace)
glDeleteShader(vertex_shader);
glDeleteShader(fragment_shader);
if (program_id_ == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed to create shader program");
return false;
}
// Crear geometría del quad
createQuadGeometry();
// Obtener ubicación del uniform TextureSize
glUseProgram(program_id_);
texture_size_location_ = glGetUniformLocation(program_id_, "TextureSize");
if (texture_size_location_ != -1) {
SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION,
"Configuring TextureSize uniform: %.0fx%.0f",
texture_width_,
texture_height_);
glUniform2f(texture_size_location_, texture_width_, texture_height_);
checkGLError("glUniform2f(TextureSize)");
} else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Uniform 'TextureSize' not found in shader");
}
glUseProgram(0);
is_initialized_ = true;
SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION,
"** OpenGL 3.3 Shader Backend initialized successfully");
return true;
}
void OpenGLShader::render() {
if (!is_initialized_ || program_id_ == 0) {
// Fallback: renderizado SDL normal
SDL_SetRenderDrawColor(renderer_, 0, 0, 0, 255);
SDL_SetRenderTarget(renderer_, nullptr);
SDL_RenderClear(renderer_);
SDL_RenderTexture(renderer_, back_buffer_, nullptr, nullptr);
SDL_RenderPresent(renderer_);
return;
}
// Obtener tamaño actual de ventana (puede haber cambiado)
int current_width;
int current_height;
SDL_GetWindowSize(window_, &current_width, &current_height);
// Guardar estados OpenGL
GLint old_program;
glGetIntegerv(GL_CURRENT_PROGRAM, &old_program);
GLint old_viewport[4];
glGetIntegerv(GL_VIEWPORT, old_viewport);
GLboolean was_texture_enabled = glIsEnabled(GL_TEXTURE_2D);
GLint old_texture;
glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_texture);
GLint old_vao;
glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &old_vao);
// Preparar renderizado
SDL_SetRenderDrawColor(renderer_, 0, 0, 0, 255);
SDL_SetRenderTarget(renderer_, nullptr);
SDL_RenderClear(renderer_);
// Obtener y bindear textura
GLuint texture_id = getTextureID(back_buffer_);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture_id);
checkGLError("glBindTexture");
// Usar nuestro programa
glUseProgram(program_id_);
checkGLError("glUseProgram");
// Configurar viewport (obtener tamaño lógico de SDL)
int logical_w;
int logical_h;
SDL_RendererLogicalPresentation mode;
SDL_GetRenderLogicalPresentation(renderer_, &logical_w, &logical_h, &mode);
if (logical_w == 0 || logical_h == 0) {
logical_w = current_width;
logical_h = current_height;
}
// Calcular viewport considerando aspect ratio
int viewport_x = 0;
int viewport_y = 0;
int viewport_w = current_width;
int viewport_h = current_height;
if (mode == SDL_LOGICAL_PRESENTATION_INTEGER_SCALE) {
int scale_x = current_width / logical_w;
int scale_y = current_height / logical_h;
int scale = (scale_x < scale_y) ? scale_x : scale_y;
scale = std::max(scale, 1);
viewport_w = logical_w * scale;
viewport_h = logical_h * scale;
viewport_x = (current_width - viewport_w) / 2;
viewport_y = (current_height - viewport_h) / 2;
} else {
float window_aspect = static_cast<float>(current_width) / current_height;
float logical_aspect = static_cast<float>(logical_w) / logical_h;
if (window_aspect > logical_aspect) {
viewport_w = static_cast<int>(logical_aspect * current_height);
viewport_x = (current_width - viewport_w) / 2;
} else {
viewport_h = static_cast<int>(current_width / logical_aspect);
viewport_y = (current_height - viewport_h) / 2;
}
}
glViewport(viewport_x, viewport_y, viewport_w, viewport_h);
checkGLError("glViewport");
// Dibujar quad usando VAO
glBindVertexArray(vao_);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, nullptr);
checkGLError("glDrawElements");
// Presentar
SDL_GL_SwapWindow(window_);
// Restaurar estados OpenGL
glUseProgram(old_program);
glBindTexture(GL_TEXTURE_2D, old_texture);
if (was_texture_enabled == 0U) {
glDisable(GL_TEXTURE_2D);
}
glBindVertexArray(old_vao);
glViewport(old_viewport[0], old_viewport[1], old_viewport[2], old_viewport[3]);
}
void OpenGLShader::setTextureSize(float width, float height) {
if (!is_initialized_ || program_id_ == 0) {
return;
}
texture_width_ = width;
texture_height_ = height;
GLint old_program;
glGetIntegerv(GL_CURRENT_PROGRAM, &old_program);
glUseProgram(program_id_);
if (texture_size_location_ != -1) {
glUniform2f(texture_size_location_, width, height);
checkGLError("glUniform2f(TextureSize)");
}
glUseProgram(old_program);
}
void OpenGLShader::cleanup() {
if (vao_ != 0) {
glDeleteVertexArrays(1, &vao_);
vao_ = 0;
}
if (vbo_ != 0) {
glDeleteBuffers(1, &vbo_);
vbo_ = 0;
}
if (ebo_ != 0) {
glDeleteBuffers(1, &ebo_);
ebo_ = 0;
}
if (program_id_ != 0) {
glDeleteProgram(program_id_);
program_id_ = 0;
}
is_initialized_ = false;
window_ = nullptr;
renderer_ = nullptr;
back_buffer_ = nullptr;
}
} // namespace Rendering

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#pragma once
#include "core/rendering/shader_backend.hpp"
#ifdef __APPLE__
#include <OpenGL/gl3.h>
#else
#include <SDL3/SDL_opengl.h>
#endif
namespace Rendering {
/**
* @brief Backend de shaders usando OpenGL 3.3 Core Profile
*
* Implementa el renderizado de shaders usando APIs modernas de OpenGL:
* - VAO (Vertex Array Objects)
* - VBO (Vertex Buffer Objects)
* - Shaders GLSL #version 330 core
*/
class OpenGLShader : public ShaderBackend {
public:
OpenGLShader() = default;
~OpenGLShader() override;
auto init(SDL_Window* window,
SDL_Texture* texture,
const std::string& vertex_source,
const std::string& fragment_source) -> bool override;
void render() override;
void setTextureSize(float width, float height) override;
void cleanup() final;
[[nodiscard]] auto isHardwareAccelerated() const -> bool override { return is_initialized_; }
private:
// Funciones auxiliares
auto initGLExtensions() -> bool;
auto compileShader(const std::string& source, GLenum shader_type) -> GLuint;
auto linkProgram(GLuint vertex_shader, GLuint fragment_shader) -> GLuint;
void createQuadGeometry();
static auto getTextureID(SDL_Texture* texture) -> GLuint;
static void checkGLError(const char* operation);
// Estado SDL
SDL_Window* window_ = nullptr;
SDL_Renderer* renderer_ = nullptr;
SDL_Texture* back_buffer_ = nullptr;
// Estado OpenGL
GLuint program_id_ = 0;
GLuint vao_ = 0; // Vertex Array Object
GLuint vbo_ = 0; // Vertex Buffer Object
GLuint ebo_ = 0; // Element Buffer Object
// Ubicaciones de uniforms
GLint texture_size_location_ = -1;
// Tamaños
int window_width_ = 0;
int window_height_ = 0;
float texture_width_ = 0.0F;
float texture_height_ = 0.0F;
// Estado
bool is_initialized_ = false;
#ifndef __APPLE__
// NOLINTBEGIN
// Punteros a funciones OpenGL en Windows/Linux
PFNGLCREATESHADERPROC glCreateShader = nullptr;
PFNGLSHADERSOURCEPROC glShaderSource = nullptr;
PFNGLCOMPILESHADERPROC glCompileShader = nullptr;
PFNGLGETSHADERIVPROC glGetShaderiv = nullptr;
PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog = nullptr;
PFNGLDELETESHADERPROC glDeleteShader = nullptr;
PFNGLATTACHSHADERPROC glAttachShader = nullptr;
PFNGLCREATEPROGRAMPROC glCreateProgram = nullptr;
PFNGLLINKPROGRAMPROC glLinkProgram = nullptr;
PFNGLVALIDATEPROGRAMPROC glValidateProgram = nullptr;
PFNGLGETPROGRAMIVPROC glGetProgramiv = nullptr;
PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog = nullptr;
PFNGLUSEPROGRAMPROC glUseProgram = nullptr;
PFNGLDELETEPROGRAMPROC glDeleteProgram = nullptr;
PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation = nullptr;
PFNGLUNIFORM2FPROC glUniform2f = nullptr;
PFNGLGENVERTEXARRAYSPROC glGenVertexArrays = nullptr;
PFNGLBINDVERTEXARRAYPROC glBindVertexArray = nullptr;
PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays = nullptr;
PFNGLGENBUFFERSPROC glGenBuffers = nullptr;
PFNGLBINDBUFFERPROC glBindBuffer = nullptr;
PFNGLBUFFERDATAPROC glBufferData = nullptr;
PFNGLDELETEBUFFERSPROC glDeleteBuffers = nullptr;
PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer = nullptr;
PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray = nullptr;
// NOLINTEND
#endif
};
} // namespace Rendering

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#include "core/rendering/screen.hpp"
#include <SDL3/SDL.h>
#include <algorithm> // Para max, min, transform
#include <cctype> // Para toupper
#include <fstream> // Para basic_ostream, operator<<, endl, basic_...
#include <iostream> // Para cerr
#include <iterator> // Para istreambuf_iterator, operator==
#include <string> // Para char_traits, string, operator+, operator==
#include "core/input/mouse.hpp" // Para updateCursorVisibility
#include "core/rendering/opengl/opengl_shader.hpp" // Para OpenGLShader
#include "core/rendering/surface.hpp" // Para Surface, readPalFile
#include "core/rendering/text.hpp" // Para Text
#include "core/resources/resource_cache.hpp" // Para Resource
#include "core/resources/resource_helper.hpp" // Para ResourceHelper
#include "core/resources/resource_list.hpp" // Para Asset, AssetType
#include "game/options.hpp" // Para Options, options, OptionsVideo, Border
#include "game/ui/notifier.hpp" // Para Notifier
#include "utils/color.hpp" // Para Color
// [SINGLETON]
Screen* Screen::screen = nullptr;
// [SINGLETON] Crearemos el objeto con esta función estática
void Screen::init() {
Screen::screen = new Screen();
}
// [SINGLETON] Destruiremos el objeto con esta función estática
void Screen::destroy() {
delete Screen::screen;
}
// [SINGLETON] Con este método obtenemos el objeto y podemos trabajar con él
auto Screen::get() -> Screen* {
return Screen::screen;
}
// Constructor
Screen::Screen()
: palettes_(Resource::List::get()->getListByType(Resource::List::Type::PALETTE)) {
// Arranca SDL VIDEO, crea la ventana y el renderizador
initSDLVideo();
if (Options::video.fullscreen) {
SDL_HideCursor();
}
// Ajusta los tamaños
game_surface_dstrect_ = {.x = Options::video.border.width, .y = Options::video.border.height, .w = Options::game.width, .h = Options::game.height};
// adjustWindowSize();
current_palette_ = findPalette(Options::video.palette);
// Define el color del borde para el modo de pantalla completa
border_color_ = Color::index(Color::Cpc::BLACK);
// Crea la textura donde se dibujan los graficos del juego
game_texture_ = SDL_CreateTexture(renderer_, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, Options::game.width, Options::game.height);
if (game_texture_ == nullptr) {
// Registrar el error si está habilitado
if (Options::console) {
std::cerr << "Error: game_texture_ could not be created!\nSDL Error: " << SDL_GetError() << '\n';
}
}
SDL_SetTextureScaleMode(game_texture_, SDL_SCALEMODE_NEAREST);
// Crea la textura donde se dibuja el borde que rodea el area de juego
border_texture_ = SDL_CreateTexture(renderer_, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, Options::game.width + (Options::video.border.width * 2), Options::game.height + (Options::video.border.height * 2));
if (border_texture_ == nullptr) {
// Registrar el error si está habilitado
if (Options::console) {
std::cerr << "Error: border_texture_ could not be created!\nSDL Error: " << SDL_GetError() << '\n';
}
}
SDL_SetTextureScaleMode(border_texture_, SDL_SCALEMODE_NEAREST);
// Cargar la paleta una sola vez
auto initial_palette = readPalFile(palettes_.at(current_palette_));
// Crea la surface donde se dibujan los graficos del juego
game_surface_ = std::make_shared<Surface>(Options::game.width, Options::game.height);
game_surface_->setPalette(initial_palette);
game_surface_->clear(Color::index(Color::Cpc::BLACK));
// Crea la surface para el borde de colores
border_surface_ = std::make_shared<Surface>(Options::game.width + (Options::video.border.width * 2), Options::game.height + (Options::video.border.height * 2));
border_surface_->setPalette(initial_palette);
border_surface_->clear(border_color_);
// Establece la surface que actuará como renderer para recibir las llamadas a render()
renderer_surface_ = std::make_shared<std::shared_ptr<Surface>>(game_surface_);
// Crea el objeto de texto para la pantalla de carga
createText();
// Extrae el nombre de las paletas desde su ruta
processPaletteList();
// Renderizar una vez la textura vacía para que tenga contenido válido
// antes de inicializar los shaders (evita pantalla negra)
SDL_RenderTexture(renderer_, game_texture_, nullptr, nullptr);
SDL_RenderTexture(renderer_, border_texture_, nullptr, nullptr);
// Ahora sí inicializar los shaders
initShaders();
}
// Destructor
Screen::~Screen() {
SDL_DestroyTexture(game_texture_);
SDL_DestroyTexture(border_texture_);
}
// Limpia el renderer
void Screen::clearRenderer(ColorRGB color) {
SDL_SetRenderDrawColor(renderer_, color.r, color.g, color.b, 0xFF);
SDL_RenderClear(renderer_);
}
// Prepara para empezar a dibujar en la textura de juego
void Screen::start() { setRendererSurface(nullptr); }
// Vuelca el contenido del renderizador en pantalla
void Screen::render() {
fps_.increment();
// Renderiza todos los overlays
renderOverlays();
// Copia la surface a la textura
surfaceToTexture();
// Copia la textura al renderizador
textureToRenderer();
}
// Establece el modo de video
void Screen::setVideoMode(bool mode) {
// Actualiza las opciones
Options::video.fullscreen = mode;
// Configura el modo de pantalla y ajusta la ventana
SDL_SetWindowFullscreen(window_, Options::video.fullscreen);
adjustWindowSize();
adjustRenderLogicalSize();
}
// Camibia entre pantalla completa y ventana
void Screen::toggleVideoMode() {
Options::video.fullscreen = !Options::video.fullscreen;
setVideoMode(Options::video.fullscreen);
}
// Reduce el tamaño de la ventana
auto Screen::decWindowZoom() -> bool {
if (static_cast<int>(Options::video.fullscreen) == 0) {
const int PREVIOUS_ZOOM = Options::window.zoom;
--Options::window.zoom;
Options::window.zoom = std::max(Options::window.zoom, 1);
if (Options::window.zoom != PREVIOUS_ZOOM) {
setVideoMode(Options::video.fullscreen);
return true;
}
}
return false;
}
// Aumenta el tamaño de la ventana
auto Screen::incWindowZoom() -> bool {
if (static_cast<int>(Options::video.fullscreen) == 0) {
const int PREVIOUS_ZOOM = Options::window.zoom;
++Options::window.zoom;
Options::window.zoom = std::min(Options::window.zoom, Options::window.max_zoom);
if (Options::window.zoom != PREVIOUS_ZOOM) {
setVideoMode(Options::video.fullscreen);
return true;
}
}
return false;
}
// Cambia el color del borde
void Screen::setBorderColor(Uint8 color) {
border_color_ = color;
border_surface_->clear(border_color_);
}
// Cambia entre borde visible y no visible
void Screen::toggleBorder() {
Options::video.border.enabled = !Options::video.border.enabled;
setVideoMode(Options::video.fullscreen);
initShaders();
}
// Dibuja las notificaciones
void Screen::renderNotifications() const {
if (notifications_enabled_) {
Notifier::get()->render();
}
}
// Cambia el estado de los shaders
void Screen::toggleShaders() {
Options::video.shaders = !Options::video.shaders;
initShaders();
}
// Actualiza la lógica de la clase (versión nueva con delta_time para escenas migradas)
void Screen::update(float delta_time) {
int old_fps = fps_.last_value;
fps_.calculate(SDL_GetTicks());
// Actualizar título de ventana si cambió el FPS
if (fps_.last_value != old_fps) {
std::string title = Options::window.caption + " - " + std::to_string(fps_.last_value) + " FPS";
SDL_SetWindowTitle(window_, title.c_str());
}
Notifier::get()->update(delta_time);
Mouse::updateCursorVisibility();
}
// Calcula el tamaño de la ventana
void Screen::adjustWindowSize() {
window_width_ = Options::game.width + (Options::video.border.enabled ? Options::video.border.width * 2 : 0);
window_height_ = Options::game.height + (Options::video.border.enabled ? Options::video.border.height * 2 : 0);
// Establece el nuevo tamaño
if (static_cast<int>(Options::video.fullscreen) == 0) {
int old_width;
int old_height;
SDL_GetWindowSize(window_, &old_width, &old_height);
int old_pos_x;
int old_pos_y;
SDL_GetWindowPosition(window_, &old_pos_x, &old_pos_y);
const int NEW_POS_X = old_pos_x + ((old_width - (window_width_ * Options::window.zoom)) / 2);
const int NEW_POS_Y = old_pos_y + ((old_height - (window_height_ * Options::window.zoom)) / 2);
SDL_SetWindowSize(window_, window_width_ * Options::window.zoom, window_height_ * Options::window.zoom);
SDL_SetWindowPosition(window_, std::max(NEW_POS_X, WINDOWS_DECORATIONS), std::max(NEW_POS_Y, 0));
}
}
// Ajusta el tamaño lógico del renderizador
void Screen::adjustRenderLogicalSize() {
SDL_SetRenderLogicalPresentation(renderer_, window_width_, window_height_, Options::video.integer_scale ? SDL_LOGICAL_PRESENTATION_INTEGER_SCALE : SDL_LOGICAL_PRESENTATION_LETTERBOX);
}
// Establece el renderizador para las surfaces
void Screen::setRendererSurface(const std::shared_ptr<Surface>& surface) {
(surface) ? renderer_surface_ = std::make_shared<std::shared_ptr<Surface>>(surface) : renderer_surface_ = std::make_shared<std::shared_ptr<Surface>>(game_surface_);
}
// Cambia la paleta
void Screen::nextPalette() {
++current_palette_;
if (current_palette_ == static_cast<int>(palettes_.size())) {
current_palette_ = 0;
}
setPalete();
}
// Cambia la paleta
void Screen::previousPalette() {
if (current_palette_ > 0) {
--current_palette_;
} else {
current_palette_ = static_cast<Uint8>(palettes_.size() - 1);
}
setPalete();
}
// Establece la paleta
void Screen::setPalete() {
game_surface_->loadPalette(Resource::Cache::get()->getPalette(palettes_.at(current_palette_)));
border_surface_->loadPalette(Resource::Cache::get()->getPalette(palettes_.at(current_palette_)));
Options::video.palette = palettes_.at(current_palette_);
// Eliminar ".gif"
size_t pos = Options::video.palette.find(".pal");
if (pos != std::string::npos) {
Options::video.palette.erase(pos, 4);
}
// Convertir a mayúsculas
std::ranges::transform(Options::video.palette, Options::video.palette.begin(), ::toupper);
}
// Extrae los nombres de las paletas
void Screen::processPaletteList() {
for (auto& palette : palettes_) {
palette = getFileName(palette);
}
}
// Copia la surface a la textura
void Screen::surfaceToTexture() {
if (Options::video.border.enabled) {
border_surface_->copyToTexture(renderer_, border_texture_);
game_surface_->copyToTexture(renderer_, border_texture_, nullptr, &game_surface_dstrect_);
} else {
game_surface_->copyToTexture(renderer_, game_texture_);
}
}
// Copia la textura al renderizador
void Screen::textureToRenderer() {
SDL_Texture* texture_to_render = Options::video.border.enabled ? border_texture_ : game_texture_;
if (Options::video.shaders && shader_backend_) {
shader_backend_->render();
} else {
SDL_SetRenderTarget(renderer_, nullptr);
SDL_SetRenderDrawColor(renderer_, 0x00, 0x00, 0x00, 0xFF);
SDL_RenderClear(renderer_);
SDL_RenderTexture(renderer_, texture_to_render, nullptr, nullptr);
SDL_RenderPresent(renderer_);
}
}
// Renderiza todos los overlays
void Screen::renderOverlays() {
renderNotifications();
#ifdef _DEBUG
//renderInfo();
#endif
}
// Localiza la paleta dentro del vector de paletas
auto Screen::findPalette(const std::string& name) -> size_t {
std::string upper_name = toUpper(name + ".pal");
for (size_t i = 0; i < palettes_.size(); ++i) {
if (toUpper(getFileName(palettes_[i])) == upper_name) {
return i;
}
}
return static_cast<size_t>(0);
}
// Muestra información por pantalla
void Screen::renderInfo() {
if (show_debug_info_ && (Resource::Cache::get() != nullptr)) {
auto text = Resource::Cache::get()->getText("smb2");
auto color = Color::index(Color::Cpc::YELLOW);
// FPS
const std::string FPS_TEXT = std::to_string(fps_.last_value) + " FPS";
text->writeColored(Options::game.width - text->length(FPS_TEXT), 0, FPS_TEXT, color);
}
}
// Limpia la game_surface_
void Screen::clearSurface(Uint8 index) { game_surface_->clear(index); }
// Establece el tamaño del borde
void Screen::setBorderWidth(int width) { Options::video.border.width = width; }
// Establece el tamaño del borde
void Screen::setBorderHeight(int height) { Options::video.border.height = height; }
// Establece si se ha de ver el borde en el modo ventana
void Screen::setBorderEnabled(bool value) { Options::video.border.enabled = value; }
// Muestra la ventana
void Screen::show() { SDL_ShowWindow(window_); }
// Oculta la ventana
void Screen::hide() { SDL_HideWindow(window_); }
// Establece la visibilidad de las notificaciones
void Screen::setNotificationsEnabled(bool value) { notifications_enabled_ = value; }
// Activa / desactiva la información de debug
void Screen::toggleDebugInfo() { show_debug_info_ = !show_debug_info_; }
// Alterna entre activar y desactivar el escalado entero
void Screen::toggleIntegerScale() {
Options::video.integer_scale = !Options::video.integer_scale;
SDL_SetRenderLogicalPresentation(renderer_, Options::game.width, Options::game.height, Options::video.integer_scale ? SDL_LOGICAL_PRESENTATION_INTEGER_SCALE : SDL_LOGICAL_PRESENTATION_LETTERBOX);
}
// Alterna entre activar y desactivar el V-Sync
void Screen::toggleVSync() {
Options::video.vertical_sync = !Options::video.vertical_sync;
SDL_SetRenderVSync(renderer_, Options::video.vertical_sync ? 1 : SDL_RENDERER_VSYNC_DISABLED);
}
// Getters
auto Screen::getRenderer() -> SDL_Renderer* { return renderer_; }
auto Screen::getRendererSurface() -> std::shared_ptr<Surface> { return (*renderer_surface_); }
auto Screen::getBorderSurface() -> std::shared_ptr<Surface> { return border_surface_; }
auto loadData(const std::string& filepath) -> std::vector<uint8_t> {
// Load using ResourceHelper (supports both filesystem and pack)
return Resource::Helper::loadFile(filepath);
}
// Carga el contenido de los archivos GLSL
void Screen::loadShaders() {
if (vertex_shader_source_.empty()) {
// Detectar si necesitamos OpenGL ES (Raspberry Pi)
// Intentar cargar versión ES primero si existe
std::string vertex_file = "crtpi_vertex_es.glsl";
auto data = loadData(Resource::List::get()->get(vertex_file));
if (data.empty()) {
// Si no existe versión ES, usar versión Desktop
vertex_file = "crtpi_vertex.glsl";
data = loadData(Resource::List::get()->get(vertex_file));
std::cout << "Usando shaders OpenGL Desktop 3.3\n";
} else {
std::cout << "Usando shaders OpenGL ES 3.0 (Raspberry Pi)\n";
}
if (!data.empty()) {
vertex_shader_source_ = std::string(data.begin(), data.end());
}
}
if (fragment_shader_source_.empty()) {
// Intentar cargar versión ES primero si existe
std::string fragment_file = "crtpi_fragment_es.glsl";
auto data = loadData(Resource::List::get()->get(fragment_file));
if (data.empty()) {
// Si no existe versión ES, usar versión Desktop
fragment_file = "crtpi_fragment.glsl";
data = loadData(Resource::List::get()->get(fragment_file));
}
if (!data.empty()) {
fragment_shader_source_ = std::string(data.begin(), data.end());
}
}
}
// Inicializa los shaders
void Screen::initShaders() {
#ifndef __APPLE__
if (Options::video.shaders) {
loadShaders();
if (!shader_backend_) {
shader_backend_ = std::make_unique<Rendering::OpenGLShader>();
}
shader_backend_->init(window_, Options::video.border.enabled ? border_texture_ : game_texture_, vertex_shader_source_, fragment_shader_source_);
// shader_backend_->init(window_, shaders_texture_, vertex_shader_source_, fragment_shader_source_);
}
#else
// En macOS, OpenGL está deprecated y rinde mal
// TODO: Implementar backend de Metal para shaders en macOS
std::cout << "WARNING: Shaders no disponibles en macOS (OpenGL deprecated). Usa Metal backend.\n";
#endif
}
// Obtiene información sobre la pantalla
void Screen::getDisplayInfo() {
std::cout << "\n** VIDEO SYSTEM **\n";
int num_displays = 0;
SDL_DisplayID* displays = SDL_GetDisplays(&num_displays);
if (displays != nullptr) {
for (int i = 0; i < num_displays; ++i) {
SDL_DisplayID instance_id = displays[i];
const char* name = SDL_GetDisplayName(instance_id);
std::cout << "Display " << instance_id << ": " << ((name != nullptr) ? name : "Unknown") << '\n';
}
const auto* dm = SDL_GetCurrentDisplayMode(displays[0]);
// Guarda información del monitor en display_monitor_
const char* first_display_name = SDL_GetDisplayName(displays[0]);
display_monitor_.name = (first_display_name != nullptr) ? first_display_name : "Unknown";
display_monitor_.width = static_cast<int>(dm->w);
display_monitor_.height = static_cast<int>(dm->h);
display_monitor_.refresh_rate = static_cast<int>(dm->refresh_rate);
// Calcula el máximo factor de zoom que se puede aplicar a la pantalla
Options::window.max_zoom = std::min(dm->w / Options::game.width, dm->h / Options::game.height);
Options::window.zoom = std::min(Options::window.zoom, Options::window.max_zoom);
// Muestra información sobre el tamaño de la pantalla y de la ventana de juego
std::cout << "Current display mode: " << static_cast<int>(dm->w) << "x" << static_cast<int>(dm->h) << " @ " << static_cast<int>(dm->refresh_rate) << "Hz\n";
std::cout << "Window resolution: " << static_cast<int>(Options::game.width) << "x" << static_cast<int>(Options::game.height) << " x" << Options::window.zoom << '\n';
Options::video.info = std::to_string(static_cast<int>(dm->w)) + "x" +
std::to_string(static_cast<int>(dm->h)) + " @ " +
std::to_string(static_cast<int>(dm->refresh_rate)) + " Hz";
// Calcula el máximo factor de zoom que se puede aplicar a la pantalla
const int MAX_ZOOM = std::min(dm->w / Options::game.width, (dm->h - WINDOWS_DECORATIONS) / Options::game.height);
// Normaliza los valores de zoom
Options::window.zoom = std::min(Options::window.zoom, MAX_ZOOM);
SDL_free(displays);
}
}
// Arranca SDL VIDEO y crea la ventana
auto Screen::initSDLVideo() -> bool {
// Inicializar SDL
if (!SDL_Init(SDL_INIT_VIDEO)) {
std::cerr << "FATAL: Failed to initialize SDL_VIDEO! SDL Error: " << SDL_GetError() << '\n';
return false;
}
// Obtener información de la pantalla
getDisplayInfo();
// Configurar hint para renderizado
#ifdef __APPLE__
if (!SDL_SetHint(SDL_HINT_RENDER_DRIVER, "metal")) {
std::cout << "WARNING: Failed to set Metal hint!\n";
}
#else
// Configurar hint de render driver
if (!SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl")) {
std::cout << "WARNING: Failed to set OpenGL hint!\n";
}
#ifdef _WIN32
// Windows: Pedir explícitamente OpenGL 3.3 Core Profile
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
std::cout << "Solicitando OpenGL 3.3 Core Profile\n";
#else
// Linux: Dejar que SDL elija (Desktop 3.3 en PC, ES 3.0 en RPi automáticamente)
std::cout << "Usando OpenGL por defecto del sistema\n";
#endif
#endif
// Crear ventana
const auto WINDOW_WIDTH = Options::video.border.enabled ? Options::game.width + (Options::video.border.width * 2) : Options::game.width;
const auto WINDOW_HEIGHT = Options::video.border.enabled ? Options::game.height + (Options::video.border.height * 2) : Options::game.height;
#ifdef __APPLE__
SDL_WindowFlags window_flags = SDL_WINDOW_METAL;
#else
SDL_WindowFlags window_flags = SDL_WINDOW_OPENGL;
#endif
if (Options::video.fullscreen) {
window_flags |= SDL_WINDOW_FULLSCREEN;
}
window_ = SDL_CreateWindow(Options::window.caption.c_str(), WINDOW_WIDTH * Options::window.zoom, WINDOW_HEIGHT * Options::window.zoom, window_flags);
if (window_ == nullptr) {
std::cerr << "FATAL: Failed to create window! SDL Error: " << SDL_GetError() << '\n';
SDL_Quit();
return false;
}
// Crear renderer
renderer_ = SDL_CreateRenderer(window_, nullptr);
if (renderer_ == nullptr) {
std::cerr << "FATAL: Failed to create renderer! SDL Error: " << SDL_GetError() << '\n';
SDL_DestroyWindow(window_);
window_ = nullptr;
SDL_Quit();
return false;
}
// Configurar renderer
const int EXTRA_WIDTH = Options::video.border.enabled ? Options::video.border.width * 2 : 0;
const int EXTRA_HEIGHT = Options::video.border.enabled ? Options::video.border.height * 2 : 0;
SDL_SetRenderLogicalPresentation(
renderer_,
Options::game.width + EXTRA_WIDTH,
Options::game.height + EXTRA_HEIGHT,
Options::video.integer_scale ? SDL_LOGICAL_PRESENTATION_INTEGER_SCALE : SDL_LOGICAL_PRESENTATION_LETTERBOX);
SDL_SetRenderDrawColor(renderer_, 0x00, 0x00, 0x00, 0xFF);
SDL_SetRenderDrawBlendMode(renderer_, SDL_BLENDMODE_BLEND);
SDL_SetRenderVSync(renderer_, Options::video.vertical_sync ? 1 : SDL_RENDERER_VSYNC_DISABLED);
std::cout << "Video system initialized successfully\n";
return true;
}
// Crea el objeto de texto
void Screen::createText() {
// Carga la surface de la fuente directamente del archivo
auto surface = std::make_shared<Surface>(Resource::List::get()->get("aseprite.gif"));
// Crea el objeto de texto (el constructor de Text carga el archivo text_file internamente)
text_ = std::make_shared<Text>(surface, Resource::List::get()->get("aseprite.txt"));
}

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#pragma once
#include <SDL3/SDL.h>
#include <cstddef> // Para size_t
#include <memory> // Para shared_ptr, __shared_ptr_access
#include <string> // Para string
#include <vector> // Para vector
#include "utils/utils.hpp" // Para ColorRGB
class Surface;
class Text;
namespace Rendering {
class ShaderBackend;
}
class Screen {
public:
// Tipos de filtro
enum class Filter : Uint32 {
NEAREST = 0,
LINEAR = 1,
};
// Singleton
static void init(); // Crea el singleton
static void destroy(); // Destruye el singleton
static auto get() -> Screen*; // Obtiene el singleton
// Renderizado
void clearRenderer(ColorRGB color = {0x00, 0x00, 0x00}); // Limpia el renderer
void clearSurface(Uint8 index); // Limpia la game_surface_
void start(); // Prepara para empezar a dibujar en la textura de juego
void render(); // Vuelca el contenido del renderizador en pantalla
void update(float delta_time); // Actualiza la lógica de la clase
// Video y ventana
void setVideoMode(bool mode); // Establece el modo de video
void toggleVideoMode(); // Cambia entre pantalla completa y ventana
void toggleIntegerScale(); // Alterna entre activar y desactivar el escalado entero
void toggleVSync(); // Alterna entre activar y desactivar el V-Sync
auto decWindowZoom() -> bool; // Reduce el tamaño de la ventana
auto incWindowZoom() -> bool; // Aumenta el tamaño de la ventana
void show(); // Muestra la ventana
void hide(); // Oculta la ventana
// Borde
void setBorderColor(Uint8 color); // Cambia el color del borde
static void setBorderWidth(int width); // Establece el ancho del borde
static void setBorderHeight(int height); // Establece el alto del borde
static void setBorderEnabled(bool value); // Establece si se ha de ver el borde
void toggleBorder(); // Cambia entre borde visible y no visible
// Paletas y shaders
void nextPalette(); // Cambia a la siguiente paleta
void previousPalette(); // Cambia a la paleta anterior
void setPalete(); // Establece la paleta actual
void toggleShaders(); // Cambia el estado de los shaders
// Surfaces y notificaciones
void setRendererSurface(const std::shared_ptr<Surface>& surface = nullptr); // Establece el renderizador para las surfaces
void setNotificationsEnabled(bool value); // Establece la visibilidad de las notificaciones
void toggleDebugInfo(); // Activa o desactiva la información de debug
// Getters
auto getRenderer() -> SDL_Renderer*;
auto getRendererSurface() -> std::shared_ptr<Surface>;
auto getBorderSurface() -> std::shared_ptr<Surface>;
[[nodiscard]] auto getText() const -> std::shared_ptr<Text> { return text_; }
[[nodiscard]] auto getGameSurfaceDstRect() const -> SDL_FRect { return game_surface_dstrect_; }
private:
// Estructuras
struct DisplayMonitor {
std::string name;
int width{0};
int height{0};
int refresh_rate{0};
};
struct FPS {
Uint32 ticks{0}; // Tiempo en milisegundos desde que se comenzó a contar
int frame_count{0}; // Número acumulado de frames en el intervalo
int last_value{0}; // Número de frames calculado en el último segundo
void increment() {
frame_count++;
}
auto calculate(Uint32 current_ticks) -> int {
if (current_ticks - ticks >= 1000) {
last_value = frame_count;
frame_count = 0;
ticks = current_ticks;
}
return last_value;
}
};
// Constantes
static constexpr int WINDOWS_DECORATIONS = 35; // Decoraciones de la ventana
// Singleton
static Screen* screen;
// Métodos privados
void renderNotifications() const; // Dibuja las notificaciones
void adjustWindowSize(); // Calcula el tamaño de la ventana
void adjustRenderLogicalSize(); // Ajusta el tamaño lógico del renderizador
void processPaletteList(); // Extrae los nombres de las paletas
void surfaceToTexture(); // Copia la surface a la textura
void textureToRenderer(); // Copia la textura al renderizador
void renderOverlays(); // Renderiza todos los overlays
auto findPalette(const std::string& name) -> size_t; // Localiza la paleta dentro del vector de paletas
void initShaders(); // Inicializa los shaders
void loadShaders(); // Carga el contenido del archivo GLSL
void renderInfo(); // Muestra información por pantalla
void getDisplayInfo(); // Obtiene información sobre la pantalla
auto initSDLVideo() -> bool; // Arranca SDL VIDEO y crea la ventana
void createText(); // Crea el objeto de texto
// Constructor y destructor
Screen();
~Screen();
// Objetos SDL
SDL_Window* window_{nullptr}; // Ventana de la aplicación
SDL_Renderer* renderer_{nullptr}; // Renderizador de la ventana
SDL_Texture* game_texture_{nullptr}; // Textura donde se dibuja el juego
SDL_Texture* border_texture_{nullptr}; // Textura donde se dibuja el borde del juego
// Surfaces y renderizado
std::shared_ptr<Surface> game_surface_; // Surface principal del juego
std::shared_ptr<Surface> border_surface_; // Surface para el borde de la pantalla
std::shared_ptr<std::shared_ptr<Surface>> renderer_surface_; // Puntero a la Surface activa
std::unique_ptr<Rendering::ShaderBackend> shader_backend_; // Backend de shaders (OpenGL/Metal/Vulkan)
std::shared_ptr<Text> text_; // Objeto para escribir texto
// Configuración de ventana y pantalla
int window_width_{0}; // Ancho de la pantalla o ventana
int window_height_{0}; // Alto de la pantalla o ventana
SDL_FRect game_surface_dstrect_; // Coordenadas donde se dibuja la textura del juego
// Paletas y colores
Uint8 border_color_{0}; // Color del borde
std::vector<std::string> palettes_; // Listado de ficheros de paleta disponibles
Uint8 current_palette_{0}; // Índice para el vector de paletas
// Estado y configuración
bool notifications_enabled_{false}; // Indica si se muestran las notificaciones
FPS fps_; // Gestor de frames por segundo
DisplayMonitor display_monitor_; // Información de la pantalla
// Shaders
std::string info_resolution_; // Texto con la información de la pantalla
std::string vertex_shader_source_; // Almacena el vertex shader
std::string fragment_shader_source_; // Almacena el fragment shader
#ifdef _DEBUG
bool show_debug_info_{true}; // Indica si ha de mostrar la información de debug
#else
bool show_debug_info_{false}; // Indica si ha de mostrar la información de debug
#endif
};

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#pragma once
#include <SDL3/SDL.h>
#include <string>
namespace Rendering {
/**
* @brief Interfaz abstracta para backends de renderizado con shaders
*
* Esta interfaz define el contrato que todos los backends de shaders
* deben cumplir (OpenGL, Metal, Vulkan, etc.)
*/
class ShaderBackend {
public:
virtual ~ShaderBackend() = default;
/**
* @brief Inicializa el backend de shaders
* @param window Ventana SDL
* @param texture Textura de backbuffer a la que aplicar shaders
* @param vertex_source Código fuente del vertex shader
* @param fragment_source Código fuente del fragment shader
* @return true si la inicialización fue exitosa
*/
virtual auto init(SDL_Window* window,
SDL_Texture* texture,
const std::string& vertex_source,
const std::string& fragment_source) -> bool = 0;
/**
* @brief Renderiza la textura con los shaders aplicados
*/
virtual void render() = 0;
/**
* @brief Establece el tamaño de la textura como parámetro del shader
* @param width Ancho de la textura
* @param height Alto de la textura
*/
virtual void setTextureSize(float width, float height) = 0;
/**
* @brief Limpia y libera recursos del backend
*/
virtual void cleanup() = 0;
/**
* @brief Verifica si el backend está usando aceleración por hardware
* @return true si usa aceleración (OpenGL/Metal/Vulkan)
*/
[[nodiscard]] virtual auto isHardwareAccelerated() const -> bool = 0;
};
} // namespace Rendering

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// IWYU pragma: no_include <bits/std_abs.h>
#include "core/rendering/surface.hpp"
#include <SDL3/SDL.h>
#include <algorithm> // Para min, max, copy_n, fill
#include <cmath> // Para abs
#include <cstdint> // Para uint32_t
#include <cstring> // Para memcpy, size_t
#include <fstream> // Para basic_ifstream, basic_ostream, basic_ist...
#include <iostream> // Para cerr
#include <memory> // Para shared_ptr, __shared_ptr_access, default...
#include <sstream> // Para basic_istringstream
#include <stdexcept> // Para runtime_error
#include <vector> // Para vector
#include "core/rendering/gif.hpp" // Para Gif
#include "core/rendering/screen.hpp" // Para Screen
#include "core/resources/resource_helper.hpp" // Para ResourceHelper
// Carga una paleta desde un archivo .gif
auto loadPalette(const std::string& file_path) -> Palette {
// Load file using ResourceHelper (supports both filesystem and pack)
auto buffer = Resource::Helper::loadFile(file_path);
if (buffer.empty()) {
throw std::runtime_error("Error opening file: " + file_path);
}
// Cargar la paleta usando los datos del buffer
std::vector<uint32_t> pal = GIF::Gif::loadPalette(buffer.data());
if (pal.empty()) {
throw std::runtime_error("No palette found in GIF file: " + file_path);
}
// Crear la paleta y copiar los datos desde 'pal'
Palette palette = {}; // Inicializa la paleta con ceros
std::copy_n(pal.begin(), std::min(pal.size(), palette.size()), palette.begin());
// Mensaje de depuración
printWithDots("Palette : ", file_path.substr(file_path.find_last_of("\\/") + 1), "[ LOADED ]");
return palette;
}
// Carga una paleta desde un archivo .pal
auto readPalFile(const std::string& file_path) -> Palette {
Palette palette{};
palette.fill(0); // Inicializar todo con 0 (transparente por defecto)
// Load file using ResourceHelper (supports both filesystem and pack)
auto file_data = Resource::Helper::loadFile(file_path);
if (file_data.empty()) {
throw std::runtime_error("No se pudo abrir el archivo .pal: " + file_path);
}
// Convert bytes to string for parsing
std::string content(file_data.begin(), file_data.end());
std::istringstream stream(content);
std::string line;
int line_number = 0;
int color_index = 0;
while (std::getline(stream, line)) {
++line_number;
// Ignorar las tres primeras líneas del archivo
if (line_number <= 3) {
continue;
}
// Procesar las líneas restantes con valores RGB
std::istringstream ss(line);
int r;
int g;
int b;
if (ss >> r >> g >> b) {
// Construir el color ARGB (A = 255 por defecto)
Uint32 color = (255 << 24) | (r << 16) | (g << 8) | b;
palette[color_index++] = color;
// Limitar a un máximo de 256 colores (opcional)
if (color_index >= 256) {
break;
}
}
}
printWithDots("Palette : ", file_path.substr(file_path.find_last_of("\\/") + 1), "[ LOADED ]");
return palette;
}
// Constructor
Surface::Surface(int w, int h)
: surface_data_(std::make_shared<SurfaceData>(w, h)),
transparent_color_(Color::index(Color::Cpc::TRANSPARENT)) { initializeSubPalette(sub_palette_); }
Surface::Surface(const std::string& file_path)
: transparent_color_(Color::index(Color::Cpc::TRANSPARENT)) {
SurfaceData loaded_data = loadSurface(file_path);
surface_data_ = std::make_shared<SurfaceData>(std::move(loaded_data));
initializeSubPalette(sub_palette_);
}
// Carga una superficie desde un archivo
auto Surface::loadSurface(const std::string& file_path) -> SurfaceData {
// Load file using ResourceHelper (supports both filesystem and pack)
std::vector<Uint8> buffer = Resource::Helper::loadFile(file_path);
if (buffer.empty()) {
std::cerr << "Error opening file: " << file_path << '\n';
throw std::runtime_error("Error opening file");
}
// Crear un objeto Gif y llamar a la función loadGif
Uint16 w = 0;
Uint16 h = 0;
std::vector<Uint8> raw_pixels = GIF::Gif::loadGif(buffer.data(), w, h);
if (raw_pixels.empty()) {
std::cerr << "Error loading GIF from file: " << file_path << '\n';
throw std::runtime_error("Error loading GIF");
}
// Si el constructor de Surface espera un std::shared_ptr<Uint8[]>,
// reservamos un bloque dinámico y copiamos los datos del vector.
size_t pixel_count = raw_pixels.size();
auto pixels = std::shared_ptr<Uint8[]>(new Uint8[pixel_count], std::default_delete<Uint8[]>());
std::memcpy(pixels.get(), raw_pixels.data(), pixel_count);
// Crear y devolver directamente el objeto SurfaceData
printWithDots("Surface : ", file_path.substr(file_path.find_last_of("\\/") + 1), "[ LOADED ]");
return {static_cast<float>(w), static_cast<float>(h), pixels};
}
// Carga una paleta desde un archivo
void Surface::loadPalette(const std::string& file_path) {
palette_ = ::loadPalette(file_path);
}
// Carga una paleta desde otra paleta
void Surface::loadPalette(const Palette& palette) {
palette_ = palette;
}
// Establece un color en la paleta
void Surface::setColor(int index, Uint32 color) {
palette_.at(index) = color;
}
// Rellena la superficie con un color
void Surface::clear(Uint8 color) {
const size_t TOTAL_PIXELS = surface_data_->width * surface_data_->height;
Uint8* data_ptr = surface_data_->data.get();
std::fill(data_ptr, data_ptr + TOTAL_PIXELS, color);
}
// Pone un pixel en la SurfaceData
void Surface::putPixel(int x, int y, Uint8 color) {
if (x < 0 || y < 0 || x >= surface_data_->width || y >= surface_data_->height) {
return; // Coordenadas fuera de rango
}
const int INDEX = x + (y * surface_data_->width);
surface_data_->data.get()[INDEX] = color;
}
// Obtiene el color de un pixel de la surface_data
auto Surface::getPixel(int x, int y) -> Uint8 { return surface_data_->data.get()[x + (y * static_cast<int>(surface_data_->width))]; }
// Dibuja un rectangulo relleno
void Surface::fillRect(const SDL_FRect* rect, Uint8 color) {
// Limitar los valores del rectángulo al tamaño de la superficie
float x_start = std::max(0.0F, rect->x);
float y_start = std::max(0.0F, rect->y);
float x_end = std::min(rect->x + rect->w, surface_data_->width);
float y_end = std::min(rect->y + rect->h, surface_data_->height);
// Recorrer cada píxel dentro del rectángulo directamente
for (int y = y_start; y < y_end; ++y) {
for (int x = x_start; x < x_end; ++x) {
const int INDEX = x + (y * surface_data_->width);
surface_data_->data.get()[INDEX] = color;
}
}
}
// Dibuja el borde de un rectangulo
void Surface::drawRectBorder(const SDL_FRect* rect, Uint8 color) {
// Limitar los valores del rectángulo al tamaño de la superficie
float x_start = std::max(0.0F, rect->x);
float y_start = std::max(0.0F, rect->y);
float x_end = std::min(rect->x + rect->w, surface_data_->width);
float y_end = std::min(rect->y + rect->h, surface_data_->height);
// Dibujar bordes horizontales
for (int x = x_start; x < x_end; ++x) {
// Borde superior
const int TOP_INDEX = x + (y_start * surface_data_->width);
surface_data_->data.get()[TOP_INDEX] = color;
// Borde inferior
const int BOTTOM_INDEX = x + ((y_end - 1) * surface_data_->width);
surface_data_->data.get()[BOTTOM_INDEX] = color;
}
// Dibujar bordes verticales
for (int y = y_start; y < y_end; ++y) {
// Borde izquierdo
const int LEFT_INDEX = x_start + (y * surface_data_->width);
surface_data_->data.get()[LEFT_INDEX] = color;
// Borde derecho
const int RIGHT_INDEX = (x_end - 1) + (y * surface_data_->width);
surface_data_->data.get()[RIGHT_INDEX] = color;
}
}
// Dibuja una linea
void Surface::drawLine(float x1, float y1, float x2, float y2, Uint8 color) {
// Calcula las diferencias
float dx = std::abs(x2 - x1);
float dy = std::abs(y2 - y1);
// Determina la dirección del incremento
float sx = (x1 < x2) ? 1 : -1;
float sy = (y1 < y2) ? 1 : -1;
float err = dx - dy;
while (true) {
// Asegúrate de no dibujar fuera de los límites de la superficie
if (x1 >= 0 && x1 < surface_data_->width && y1 >= 0 && y1 < surface_data_->height) {
surface_data_->data.get()[static_cast<size_t>(x1 + (y1 * surface_data_->width))] = color;
}
// Si alcanzamos el punto final, salimos
if (x1 == x2 && y1 == y2) {
break;
}
int e2 = 2 * err;
if (e2 > -dy) {
err -= dy;
x1 += sx;
}
if (e2 < dx) {
err += dx;
y1 += sy;
}
}
}
void Surface::render(float dx, float dy, float sx, float sy, float w, float h) {
auto surface_data = Screen::get()->getRendererSurface()->getSurfaceData();
// Limitar la región para evitar accesos fuera de rango en origen
w = std::min(w, surface_data_->width - sx);
h = std::min(h, surface_data_->height - sy);
// Limitar la región para evitar accesos fuera de rango en destino
w = std::min(w, surface_data->width - dx);
h = std::min(h, surface_data->height - dy);
for (int iy = 0; iy < h; ++iy) {
for (int ix = 0; ix < w; ++ix) {
// Verificar que las coordenadas de destino están dentro de los límites
if (int dest_x = dx + ix; dest_x >= 0 && dest_x < surface_data->width) {
if (int dest_y = dy + iy; dest_y >= 0 && dest_y < surface_data->height) {
int src_x = sx + ix;
int src_y = sy + iy;
Uint8 color = surface_data_->data.get()[static_cast<size_t>(src_x + (src_y * surface_data_->width))];
if (color != transparent_color_) {
surface_data->data.get()[static_cast<size_t>(dest_x + (dest_y * surface_data->width))] = sub_palette_[color];
}
}
}
}
}
}
void Surface::render(int x, int y, SDL_FRect* src_rect, SDL_FlipMode flip) {
auto surface_data_dest = Screen::get()->getRendererSurface()->getSurfaceData();
// Determina la región de origen (clip) a renderizar
float sx = ((src_rect) != nullptr) ? src_rect->x : 0;
float sy = ((src_rect) != nullptr) ? src_rect->y : 0;
float w = ((src_rect) != nullptr) ? src_rect->w : surface_data_->width;
float h = ((src_rect) != nullptr) ? src_rect->h : surface_data_->height;
// Limitar la región para evitar accesos fuera de rango en origen
w = std::min(w, surface_data_->width - sx);
h = std::min(h, surface_data_->height - sy);
w = std::min(w, surface_data_dest->width - x);
h = std::min(h, surface_data_dest->height - y);
// Limitar la región para evitar accesos fuera de rango en destino
w = std::min(w, surface_data_dest->width - x);
h = std::min(h, surface_data_dest->height - y);
// Renderiza píxel por píxel aplicando el flip si es necesario
for (int iy = 0; iy < h; ++iy) {
for (int ix = 0; ix < w; ++ix) {
// Coordenadas de origen
int src_x = (flip == SDL_FLIP_HORIZONTAL) ? (sx + w - 1 - ix) : (sx + ix);
int src_y = (flip == SDL_FLIP_VERTICAL) ? (sy + h - 1 - iy) : (sy + iy);
// Coordenadas de destino
int dest_x = x + ix;
int dest_y = y + iy;
// Verificar que las coordenadas de destino están dentro de los límites
if (dest_x >= 0 && dest_x < surface_data_dest->width && dest_y >= 0 && dest_y < surface_data_dest->height) {
// Copia el píxel si no es transparente
Uint8 color = surface_data_->data.get()[static_cast<size_t>(src_x + (src_y * surface_data_->width))];
if (color != transparent_color_) {
surface_data_dest->data[dest_x + (dest_y * surface_data_dest->width)] = sub_palette_[color];
}
}
}
}
}
// Helper para calcular coordenadas con flip
void Surface::calculateFlippedCoords(int ix, int iy, float sx, float sy, float w, float h, SDL_FlipMode flip, int& src_x, int& src_y) {
src_x = (flip == SDL_FLIP_HORIZONTAL) ? (sx + w - 1 - ix) : (sx + ix);
src_y = (flip == SDL_FLIP_VERTICAL) ? (sy + h - 1 - iy) : (sy + iy);
}
// Helper para copiar un pixel si no es transparente
void Surface::copyPixelIfNotTransparent(Uint8* dest_data, int dest_x, int dest_y, int dest_width, int src_x, int src_y) const {
if (dest_x < 0 || dest_y < 0) {
return;
}
Uint8 color = surface_data_->data.get()[static_cast<size_t>(src_x + (src_y * surface_data_->width))];
if (color != transparent_color_) {
dest_data[dest_x + (dest_y * dest_width)] = sub_palette_[color];
}
}
// Copia una región de la superficie de origen a la de destino
void Surface::render(SDL_FRect* src_rect, SDL_FRect* dst_rect, SDL_FlipMode flip) {
auto surface_data = Screen::get()->getRendererSurface()->getSurfaceData();
// Si srcRect es nullptr, tomar toda la superficie fuente
float sx = ((src_rect) != nullptr) ? src_rect->x : 0;
float sy = ((src_rect) != nullptr) ? src_rect->y : 0;
float sw = ((src_rect) != nullptr) ? src_rect->w : surface_data_->width;
float sh = ((src_rect) != nullptr) ? src_rect->h : surface_data_->height;
// Si dstRect es nullptr, asignar las mismas dimensiones que srcRect
float dx = ((dst_rect) != nullptr) ? dst_rect->x : 0;
float dy = ((dst_rect) != nullptr) ? dst_rect->y : 0;
float dw = ((dst_rect) != nullptr) ? dst_rect->w : sw;
float dh = ((dst_rect) != nullptr) ? dst_rect->h : sh;
// Asegurarse de que srcRect y dstRect tienen las mismas dimensiones
if (sw != dw || sh != dh) {
dw = sw; // Respetar las dimensiones de srcRect
dh = sh;
}
// Limitar la región para evitar accesos fuera de rango en src y dst
sw = std::min(sw, surface_data_->width - sx);
sh = std::min(sh, surface_data_->height - sy);
dw = std::min(dw, surface_data->width - dx);
dh = std::min(dh, surface_data->height - dy);
int final_width = std::min(sw, dw);
int final_height = std::min(sh, dh);
// Renderiza píxel por píxel aplicando el flip si es necesario
for (int iy = 0; iy < final_height; ++iy) {
for (int ix = 0; ix < final_width; ++ix) {
int src_x = 0;
int src_y = 0;
calculateFlippedCoords(ix, iy, sx, sy, final_width, final_height, flip, src_x, src_y);
int dest_x = dx + ix;
int dest_y = dy + iy;
// Verificar límites de destino antes de copiar
if (dest_x >= 0 && dest_x < surface_data->width && dest_y >= 0 && dest_y < surface_data->height) {
copyPixelIfNotTransparent(surface_data->data.get(), dest_x, dest_y, surface_data->width, src_x, src_y);
}
}
}
}
// Copia una región de la SurfaceData de origen a la SurfaceData de destino reemplazando un color por otro
void Surface::renderWithColorReplace(int x, int y, Uint8 source_color, Uint8 target_color, SDL_FRect* src_rect, SDL_FlipMode flip) {
auto surface_data = Screen::get()->getRendererSurface()->getSurfaceData();
// Determina la región de origen (clip) a renderizar
float sx = ((src_rect) != nullptr) ? src_rect->x : 0;
float sy = ((src_rect) != nullptr) ? src_rect->y : 0;
float w = ((src_rect) != nullptr) ? src_rect->w : surface_data_->width;
float h = ((src_rect) != nullptr) ? src_rect->h : surface_data_->height;
// Limitar la región para evitar accesos fuera de rango
w = std::min(w, surface_data_->width - sx);
h = std::min(h, surface_data_->height - sy);
// Renderiza píxel por píxel aplicando el flip si es necesario
for (int iy = 0; iy < h; ++iy) {
for (int ix = 0; ix < w; ++ix) {
// Coordenadas de origen
int src_x = (flip == SDL_FLIP_HORIZONTAL) ? (sx + w - 1 - ix) : (sx + ix);
int src_y = (flip == SDL_FLIP_VERTICAL) ? (sy + h - 1 - iy) : (sy + iy);
// Coordenadas de destino
int dest_x = x + ix;
int dest_y = y + iy;
// Verifica que las coordenadas de destino estén dentro de los límites
if (dest_x < 0 || dest_y < 0 || dest_x >= surface_data->width || dest_y >= surface_data->height) {
continue; // Saltar píxeles fuera del rango del destino
}
// Copia el píxel si no es transparente
Uint8 color = surface_data_->data.get()[static_cast<size_t>(src_x + (src_y * surface_data_->width))];
if (color != transparent_color_) {
surface_data->data[dest_x + (dest_y * surface_data->width)] =
(color == source_color) ? target_color : color;
}
}
}
}
// Vuelca la superficie a una textura
void Surface::copyToTexture(SDL_Renderer* renderer, SDL_Texture* texture) {
if ((renderer == nullptr) || (texture == nullptr) || !surface_data_) {
throw std::runtime_error("Renderer or texture is null.");
}
if (surface_data_->width <= 0 || surface_data_->height <= 0 || (surface_data_->data == nullptr)) {
throw std::runtime_error("Invalid surface dimensions or data.");
}
Uint32* pixels = nullptr;
int pitch = 0;
// Bloquea la textura para modificar los píxeles directamente
if (!SDL_LockTexture(texture, nullptr, reinterpret_cast<void**>(&pixels), &pitch)) {
throw std::runtime_error("Failed to lock texture: " + std::string(SDL_GetError()));
}
// Convertir `pitch` de bytes a Uint32 (asegurando alineación correcta en hardware)
int row_stride = pitch / sizeof(Uint32);
for (int y = 0; y < surface_data_->height; ++y) {
for (int x = 0; x < surface_data_->width; ++x) {
// Calcular la posición correcta en la textura teniendo en cuenta el stride
int texture_index = (y * row_stride) + x;
int surface_index = (y * surface_data_->width) + x;
pixels[texture_index] = palette_[surface_data_->data.get()[surface_index]];
}
}
SDL_UnlockTexture(texture); // Desbloquea la textura
// Renderiza la textura en la pantalla completa
if (!SDL_RenderTexture(renderer, texture, nullptr, nullptr)) {
throw std::runtime_error("Failed to copy texture to renderer: " + std::string(SDL_GetError()));
}
}
// Vuelca la superficie a una textura
void Surface::copyToTexture(SDL_Renderer* renderer, SDL_Texture* texture, SDL_FRect* src_rect, SDL_FRect* dest_rect) {
if ((renderer == nullptr) || (texture == nullptr) || !surface_data_) {
throw std::runtime_error("Renderer or texture is null.");
}
if (surface_data_->width <= 0 || surface_data_->height <= 0 || (surface_data_->data == nullptr)) {
throw std::runtime_error("Invalid surface dimensions or data.");
}
Uint32* pixels = nullptr;
int pitch = 0;
SDL_Rect lock_rect;
if (dest_rect != nullptr) {
lock_rect.x = static_cast<int>(dest_rect->x);
lock_rect.y = static_cast<int>(dest_rect->y);
lock_rect.w = static_cast<int>(dest_rect->w);
lock_rect.h = static_cast<int>(dest_rect->h);
}
// Usa lockRect solo si destRect no es nulo
if (!SDL_LockTexture(texture, (dest_rect != nullptr) ? &lock_rect : nullptr, reinterpret_cast<void**>(&pixels), &pitch)) {
throw std::runtime_error("Failed to lock texture: " + std::string(SDL_GetError()));
}
int row_stride = pitch / sizeof(Uint32);
for (int y = 0; y < surface_data_->height; ++y) {
for (int x = 0; x < surface_data_->width; ++x) {
int texture_index = (y * row_stride) + x;
int surface_index = (y * surface_data_->width) + x;
pixels[texture_index] = palette_[surface_data_->data.get()[surface_index]];
}
}
SDL_UnlockTexture(texture);
// Renderiza la textura con los rectángulos especificados
if (!SDL_RenderTexture(renderer, texture, src_rect, dest_rect)) {
throw std::runtime_error("Failed to copy texture to renderer: " + std::string(SDL_GetError()));
}
}
// Realiza un efecto de fundido en la paleta principal
auto Surface::fadePalette() -> bool {
// Verificar que el tamaño mínimo de palette_ sea adecuado
static constexpr int PALETTE_SIZE = 19;
if (sizeof(palette_) / sizeof(palette_[0]) < PALETTE_SIZE) {
throw std::runtime_error("Palette size is insufficient for fadePalette operation.");
}
// Desplazar colores (pares e impares)
for (int i = 18; i > 1; --i) {
palette_[i] = palette_[i - 2];
}
// Ajustar el primer color
palette_[1] = palette_[0];
// Devolver si el índice 15 coincide con el índice 0
return palette_[15] == palette_[0];
}
// Realiza un efecto de fundido en la paleta secundaria
auto Surface::fadeSubPalette(Uint32 delay) -> bool {
// Variable estática para almacenar el último tick
static Uint32 last_tick_ = 0;
// Obtener el tiempo actual
Uint32 current_tick = SDL_GetTicks();
// Verificar si ha pasado el tiempo de retardo
if (current_tick - last_tick_ < delay) {
return false; // No se realiza el fade
}
// Actualizar el último tick
last_tick_ = current_tick;
// Verificar que el tamaño mínimo de sub_palette_ sea adecuado
static constexpr int SUB_PALETTE_SIZE = 19;
if (sizeof(sub_palette_) / sizeof(sub_palette_[0]) < SUB_PALETTE_SIZE) {
throw std::runtime_error("Palette size is insufficient for fadePalette operation.");
}
// Desplazar colores (pares e impares)
for (int i = 18; i > 1; --i) {
sub_palette_[i] = sub_palette_[i - 2];
}
// Ajustar el primer color
sub_palette_[1] = sub_palette_[0];
// Devolver si el índice 15 coincide con el índice 0
return sub_palette_[15] == sub_palette_[0];
}

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#pragma once
#include <SDL3/SDL.h>
#include <array> // Para array
#include <memory> // Para default_delete, shared_ptr, __shared_pt...
#include <numeric> // Para iota
#include <string> // Para string
#include <utility> // Para move
#include "utils/color.hpp" // Para Color
// Alias
using Palette = std::array<Uint32, 256>;
using SubPalette = std::array<Uint8, 256>;
// Carga una paleta desde un archivo .gif
auto loadPalette(const std::string& file_path) -> Palette;
// Carga una paleta desde un archivo .pal
auto readPalFile(const std::string& file_path) -> Palette;
struct SurfaceData {
std::shared_ptr<Uint8[]> data; // Usa std::shared_ptr para gestión automática
float width; // Ancho de la imagen
float height; // Alto de la imagen
// Constructor por defecto
SurfaceData()
: data(nullptr),
width(0),
height(0) {}
// Constructor que inicializa dimensiones y asigna memoria
SurfaceData(float w, float h)
: data(std::shared_ptr<Uint8[]>(new Uint8[static_cast<size_t>(w * h)](), std::default_delete<Uint8[]>())),
width(w),
height(h) {}
// Constructor para inicializar directamente con datos
SurfaceData(float w, float h, std::shared_ptr<Uint8[]> pixels)
: data(std::move(pixels)),
width(w),
height(h) {}
// Constructor de movimiento
SurfaceData(SurfaceData&& other) noexcept = default;
// Operador de movimiento
auto operator=(SurfaceData&& other) noexcept -> SurfaceData& = default;
// Evita copias accidentales
SurfaceData(const SurfaceData&) = delete;
auto operator=(const SurfaceData&) -> SurfaceData& = delete;
};
class Surface {
private:
std::shared_ptr<SurfaceData> surface_data_; // Datos a dibujar
Palette palette_; // Paleta para volcar la SurfaceData a una Textura
SubPalette sub_palette_; // Paleta para reindexar colores
int transparent_color_; // Indice de la paleta que se omite en la copia de datos
public:
// Constructor
Surface(int w, int h);
explicit Surface(const std::string& file_path);
// Destructor
~Surface() = default;
// Carga una SurfaceData desde un archivo
static auto loadSurface(const std::string& file_path) -> SurfaceData;
// Carga una paleta desde un archivo
void loadPalette(const std::string& file_path);
void loadPalette(const Palette& palette);
// Copia una región de la SurfaceData de origen a la SurfaceData de destino
void render(float dx, float dy, float sx, float sy, float w, float h);
void render(int x, int y, SDL_FRect* src_rect = nullptr, SDL_FlipMode flip = SDL_FLIP_NONE);
void render(SDL_FRect* src_rect = nullptr, SDL_FRect* dst_rect = nullptr, SDL_FlipMode flip = SDL_FLIP_NONE);
// Copia una región de la SurfaceData de origen a la SurfaceData de destino reemplazando un color por otro
void renderWithColorReplace(int x, int y, Uint8 source_color = 0, Uint8 target_color = 0, SDL_FRect* src_rect = nullptr, SDL_FlipMode flip = SDL_FLIP_NONE);
// Establece un color en la paleta
void setColor(int index, Uint32 color);
// Rellena la SurfaceData con un color
void clear(Uint8 color);
// Vuelca la SurfaceData a una textura
void copyToTexture(SDL_Renderer* renderer, SDL_Texture* texture);
void copyToTexture(SDL_Renderer* renderer, SDL_Texture* texture, SDL_FRect* src_rect, SDL_FRect* dest_rect);
// Realiza un efecto de fundido en las paletas
auto fadePalette() -> bool;
auto fadeSubPalette(Uint32 delay = 0) -> bool;
// Pone un pixel en la SurfaceData
void putPixel(int x, int y, Uint8 color);
// Obtiene el color de un pixel de la surface_data
auto getPixel(int x, int y) -> Uint8;
// Dibuja un rectangulo relleno
void fillRect(const SDL_FRect* rect, Uint8 color);
// Dibuja el borde de un rectangulo
void drawRectBorder(const SDL_FRect* rect, Uint8 color);
// Dibuja una linea
void drawLine(float x1, float y1, float x2, float y2, Uint8 color);
// Metodos para gestionar surface_data_
[[nodiscard]] auto getSurfaceData() const -> std::shared_ptr<SurfaceData> { return surface_data_; }
void setSurfaceData(std::shared_ptr<SurfaceData> new_data) { surface_data_ = std::move(new_data); }
// Obtien ancho y alto
[[nodiscard]] auto getWidth() const -> float { return surface_data_->width; }
[[nodiscard]] auto getHeight() const -> float { return surface_data_->height; }
// Color transparente
[[nodiscard]] auto getTransparentColor() const -> Uint8 { return transparent_color_; }
void setTransparentColor(Uint8 color = 255) { transparent_color_ = color; }
// Paleta
void setPalette(const std::array<Uint32, 256>& palette) { palette_ = palette; }
// Inicializa la sub paleta
static void initializeSubPalette(SubPalette& palette) { std::iota(palette.begin(), palette.end(), 0); }
private:
// Helper para calcular coordenadas con flip
static void calculateFlippedCoords(int ix, int iy, float sx, float sy, float w, float h, SDL_FlipMode flip, int& src_x, int& src_y);
// Helper para copiar un pixel si no es transparente
void copyPixelIfNotTransparent(Uint8* dest_data, int dest_x, int dest_y, int dest_width, int src_x, int src_y) const;
};

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#include "core/rendering/surface_animated_sprite.hpp"
#include <cstddef> // Para size_t
#include <fstream> // Para basic_ostream, basic_istream, operator<<, basic...
#include <iostream> // Para cout, cerr
#include <sstream> // Para basic_stringstream
#include <stdexcept> // Para runtime_error
#include <utility>
#include "core/rendering/surface.hpp" // Para Surface
#include "core/resources/resource_cache.hpp" // Para Resource
#include "core/resources/resource_helper.hpp" // Para ResourceHelper
#include "external/fkyaml_node.hpp" // Para fkyaml::node
#include "utils/utils.hpp" // Para printWithDots
// Helper: Convierte un nodo YAML de frames (array) a vector de SDL_FRect
auto convertYAMLFramesToRects(const fkyaml::node& frames_node, float frame_width, float frame_height, int frames_per_row, int max_tiles) -> std::vector<SDL_FRect> {
std::vector<SDL_FRect> frames;
SDL_FRect rect = {0.0F, 0.0F, frame_width, frame_height};
for (const auto& frame_index_node : frames_node) {
const int NUM_TILE = frame_index_node.get_value<int>();
if (NUM_TILE <= max_tiles) {
rect.x = (NUM_TILE % frames_per_row) * frame_width;
rect.y = (NUM_TILE / frames_per_row) * frame_height;
frames.emplace_back(rect);
}
}
return frames;
}
// Carga las animaciones desde un fichero YAML
auto SurfaceAnimatedSprite::loadAnimationsFromYAML(const std::string& file_path, std::shared_ptr<Surface>& surface, float& frame_width, float& frame_height) -> std::vector<AnimationData> {
std::vector<AnimationData> animations;
// Extract filename for logging
const std::string FILE_NAME = file_path.substr(file_path.find_last_of("\\/") + 1);
try {
// Load YAML file using ResourceHelper (supports both filesystem and pack)
auto file_data = Resource::Helper::loadFile(file_path);
if (file_data.empty()) {
std::cerr << "Error: Unable to load animation file " << FILE_NAME << '\n';
throw std::runtime_error("Animation file not found: " + file_path);
}
printWithDots("Animation : ", FILE_NAME, "[ LOADED ]");
// Parse YAML from string
std::string yaml_content(file_data.begin(), file_data.end());
auto yaml = fkyaml::node::deserialize(yaml_content);
// --- Parse global configuration ---
if (yaml.contains("tileSetFile")) {
auto tile_set_file = yaml["tileSetFile"].get_value<std::string>();
surface = Resource::Cache::get()->getSurface(tile_set_file);
}
if (yaml.contains("frameWidth")) {
frame_width = static_cast<float>(yaml["frameWidth"].get_value<int>());
}
if (yaml.contains("frameHeight")) {
frame_height = static_cast<float>(yaml["frameHeight"].get_value<int>());
}
// Calculate sprite sheet parameters
int frames_per_row = 1;
int max_tiles = 1;
if (surface) {
frames_per_row = surface->getWidth() / static_cast<int>(frame_width);
const int W = surface->getWidth() / static_cast<int>(frame_width);
const int H = surface->getHeight() / static_cast<int>(frame_height);
max_tiles = W * H;
}
// --- Parse animations array ---
if (yaml.contains("animations") && yaml["animations"].is_sequence()) {
const auto& animations_node = yaml["animations"];
for (const auto& anim_node : animations_node) {
AnimationData animation;
// Parse animation name
if (anim_node.contains("name")) {
animation.name = anim_node["name"].get_value<std::string>();
}
// Parse speed (seconds per frame)
if (anim_node.contains("speed")) {
animation.speed = anim_node["speed"].get_value<float>();
}
// Parse loop frame index
if (anim_node.contains("loop")) {
animation.loop = anim_node["loop"].get_value<int>();
}
// Parse frames array
if (anim_node.contains("frames") && anim_node["frames"].is_sequence()) {
animation.frames = convertYAMLFramesToRects(
anim_node["frames"],
frame_width,
frame_height,
frames_per_row,
max_tiles);
}
animations.push_back(animation);
}
}
} catch (const fkyaml::exception& e) {
std::cerr << "YAML parsing error in " << FILE_NAME << ": " << e.what() << '\n';
throw;
} catch (const std::exception& e) {
std::cerr << "Error loading animation " << FILE_NAME << ": " << e.what() << '\n';
throw;
}
return animations;
}
// Constructor con bytes YAML del cache (parsing lazy)
SurfaceAnimatedSprite::SurfaceAnimatedSprite(const AnimationResource& cached_data) {
// Parsear YAML desde los bytes cargados en cache
std::string yaml_content(cached_data.yaml_data.begin(), cached_data.yaml_data.end());
try {
auto yaml = fkyaml::node::deserialize(yaml_content);
// Variables para almacenar configuración global
float frame_width = 0.0F;
float frame_height = 0.0F;
// --- Parse global configuration ---
if (yaml.contains("tileSetFile")) {
auto tile_set_file = yaml["tileSetFile"].get_value<std::string>();
// Ahora SÍ podemos acceder al cache (ya está completamente cargado)
surface_ = Resource::Cache::get()->getSurface(tile_set_file);
}
if (yaml.contains("frameWidth")) {
frame_width = static_cast<float>(yaml["frameWidth"].get_value<int>());
}
if (yaml.contains("frameHeight")) {
frame_height = static_cast<float>(yaml["frameHeight"].get_value<int>());
}
// Calculate sprite sheet parameters
int frames_per_row = 1;
int max_tiles = 1;
if (surface_) {
frames_per_row = surface_->getWidth() / static_cast<int>(frame_width);
const int W = surface_->getWidth() / static_cast<int>(frame_width);
const int H = surface_->getHeight() / static_cast<int>(frame_height);
max_tiles = W * H;
}
// --- Parse animations array ---
if (yaml.contains("animations") && yaml["animations"].is_sequence()) {
const auto& animations_node = yaml["animations"];
for (const auto& anim_node : animations_node) {
AnimationData animation;
// Parse animation name
if (anim_node.contains("name")) {
animation.name = anim_node["name"].get_value<std::string>();
}
// Parse speed (seconds per frame)
if (anim_node.contains("speed")) {
animation.speed = anim_node["speed"].get_value<float>();
}
// Parse loop frame index
if (anim_node.contains("loop")) {
animation.loop = anim_node["loop"].get_value<int>();
}
// Parse frames array
if (anim_node.contains("frames") && anim_node["frames"].is_sequence()) {
animation.frames = convertYAMLFramesToRects(
anim_node["frames"],
frame_width,
frame_height,
frames_per_row,
max_tiles);
}
animations_.push_back(animation);
}
}
// Set dimensions
setWidth(frame_width);
setHeight(frame_height);
// Inicializar con la primera animación si existe
if (!animations_.empty() && !animations_[0].frames.empty()) {
setClip(animations_[0].frames[0]);
}
} catch (const fkyaml::exception& e) {
std::cerr << "YAML parsing error in animation " << cached_data.name << ": " << e.what() << '\n';
throw;
} catch (const std::exception& e) {
std::cerr << "Error loading animation " << cached_data.name << ": " << e.what() << '\n';
throw;
}
}
// Obtiene el indice de la animación a partir del nombre
auto SurfaceAnimatedSprite::getIndex(const std::string& name) -> int {
auto index = -1;
for (const auto& a : animations_) {
index++;
if (a.name == name) {
return index;
}
}
std::cout << "** Warning: could not find \"" << name.c_str() << "\" animation" << '\n';
return -1;
}
// Calcula el frame correspondiente a la animación (time-based)
void SurfaceAnimatedSprite::animate(float delta_time) {
if (animations_[current_animation_].speed <= 0.0F) {
return;
}
// Acumula el tiempo transcurrido
animations_[current_animation_].accumulated_time += delta_time;
// Calcula el frame actual a partir del tiempo acumulado
const int TARGET_FRAME = static_cast<int>(
animations_[current_animation_].accumulated_time /
animations_[current_animation_].speed);
// Si alcanza el final de la animación, maneja el loop
if (TARGET_FRAME >= static_cast<int>(animations_[current_animation_].frames.size())) {
if (animations_[current_animation_].loop == -1) {
// Si no hay loop, congela en el último frame
animations_[current_animation_].current_frame =
static_cast<int>(animations_[current_animation_].frames.size()) - 1;
animations_[current_animation_].completed = true;
// Establece el clip del último frame
if (animations_[current_animation_].current_frame >= 0) {
setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
}
} else {
// Si hay loop, vuelve al frame indicado
animations_[current_animation_].accumulated_time =
static_cast<float>(animations_[current_animation_].loop) *
animations_[current_animation_].speed;
animations_[current_animation_].current_frame = animations_[current_animation_].loop;
// Establece el clip del frame de loop
setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
}
} else {
// Actualiza el frame actual
animations_[current_animation_].current_frame = TARGET_FRAME;
// Establece el clip del frame actual
if (animations_[current_animation_].current_frame >= 0 &&
animations_[current_animation_].current_frame <
static_cast<int>(animations_[current_animation_].frames.size())) {
setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
}
}
}
// Comprueba si ha terminado la animación
auto SurfaceAnimatedSprite::animationIsCompleted() -> bool {
return animations_[current_animation_].completed;
}
// Establece la animacion actual
void SurfaceAnimatedSprite::setCurrentAnimation(const std::string& name) {
const auto NEW_ANIMATION = getIndex(name);
if (current_animation_ != NEW_ANIMATION) {
current_animation_ = NEW_ANIMATION;
animations_[current_animation_].current_frame = 0;
animations_[current_animation_].accumulated_time = 0.0F;
animations_[current_animation_].completed = false;
setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
}
}
// Establece la animacion actual
void SurfaceAnimatedSprite::setCurrentAnimation(int index) {
const auto NEW_ANIMATION = index;
if (current_animation_ != NEW_ANIMATION) {
current_animation_ = NEW_ANIMATION;
animations_[current_animation_].current_frame = 0;
animations_[current_animation_].accumulated_time = 0.0F;
animations_[current_animation_].completed = false;
setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
}
}
// Actualiza las variables del objeto (time-based)
void SurfaceAnimatedSprite::update(float delta_time) {
animate(delta_time);
SurfaceMovingSprite::update(delta_time);
}
// Reinicia la animación
void SurfaceAnimatedSprite::resetAnimation() {
animations_[current_animation_].current_frame = 0;
animations_[current_animation_].accumulated_time = 0.0F;
animations_[current_animation_].completed = false;
}
// Establece el frame actual de la animación
void SurfaceAnimatedSprite::setCurrentAnimationFrame(int num) {
// Descarta valores fuera de rango
if (num < 0 || num >= static_cast<int>(animations_[current_animation_].frames.size())) {
num = 0;
}
// Cambia el valor de la variable
animations_[current_animation_].current_frame = num;
// Escoge el frame correspondiente de la animación
setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
}

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#pragma once
#include <SDL3/SDL.h>
#include <memory> // Para shared_ptr
#include <string> // Para string
#include <utility>
#include <vector> // Para vector
#include "core/rendering/surface_moving_sprite.hpp" // Para SMovingSprite
#include "core/resources/resource_types.hpp" // Para AnimationResource
class Surface;
class SurfaceAnimatedSprite : public SurfaceMovingSprite {
public:
using Animations = std::vector<std::string>; // Tipo para lista de animaciones
// Estructura pública de datos de animación
struct AnimationData {
std::string name; // Nombre de la animacion
std::vector<SDL_FRect> frames; // Cada uno de los frames que componen la animación
float speed{0.083F}; // Velocidad de la animación (segundos por frame)
int loop{0}; // Indica a que frame vuelve la animación al terminar. -1 para que no vuelva
bool completed{false}; // Indica si ha finalizado la animación
int current_frame{0}; // Frame actual
float accumulated_time{0.0F}; // Tiempo acumulado para las animaciones (time-based)
};
// Métodos estáticos
static auto loadAnimationsFromYAML(const std::string& file_path, std::shared_ptr<Surface>& surface, float& frame_width, float& frame_height) -> std::vector<AnimationData>; // Carga las animaciones desde fichero YAML
// Constructores
explicit SurfaceAnimatedSprite(const AnimationResource& cached_data); // Constructor con datos pre-cargados del cache
~SurfaceAnimatedSprite() override = default; // Destructor
void update(float delta_time) override; // Actualiza las variables del objeto (time-based)
// Consultas de estado
auto animationIsCompleted() -> bool; // Comprueba si ha terminado la animación
auto getIndex(const std::string& name) -> int; // Obtiene el índice de la animación por nombre
auto getCurrentAnimationSize() -> int { return static_cast<int>(animations_[current_animation_].frames.size()); } // Número de frames de la animación actual
// Modificadores de animación
void setCurrentAnimation(const std::string& name = "default"); // Establece la animación actual por nombre
void setCurrentAnimation(int index = 0); // Establece la animación actual por índice
void resetAnimation(); // Reinicia la animación
void setCurrentAnimationFrame(int num); // Establece el frame actual de la animación
protected:
// Métodos protegidos
void animate(float delta_time); // Calcula el frame correspondiente a la animación actual (time-based)
private:
// Variables miembro
std::vector<AnimationData> animations_; // Vector con las diferentes animaciones
int current_animation_{0}; // Animación activa
};

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#include "core/rendering/surface_moving_sprite.hpp"
#include <utility>
#include "core/rendering/surface.hpp" // Para Surface
// Constructor
SurfaceMovingSprite::SurfaceMovingSprite(std::shared_ptr<Surface> surface, SDL_FRect pos, SDL_FlipMode flip)
: SurfaceSprite(std::move(surface), pos),
x_(pos.x),
y_(pos.y),
flip_(flip) { SurfaceSprite::pos_ = pos; }
SurfaceMovingSprite::SurfaceMovingSprite(std::shared_ptr<Surface> surface, SDL_FRect pos)
: SurfaceSprite(std::move(surface), pos),
x_(pos.x),
y_(pos.y) { SurfaceSprite::pos_ = pos; }
SurfaceMovingSprite::SurfaceMovingSprite() { SurfaceSprite::clear(); }
SurfaceMovingSprite::SurfaceMovingSprite(std::shared_ptr<Surface> surface)
: SurfaceSprite(std::move(surface)) { SurfaceSprite::clear(); }
// Reinicia todas las variables
void SurfaceMovingSprite::clear() {
// Resetea posición
x_ = 0.0F;
y_ = 0.0F;
// Resetea velocidad
vx_ = 0.0F;
vy_ = 0.0F;
// Resetea aceleración
ax_ = 0.0F;
ay_ = 0.0F;
// Resetea flip
flip_ = SDL_FLIP_NONE;
SurfaceSprite::clear();
}
// Mueve el sprite (time-based)
// Nota: vx_, vy_ ahora se interpretan como pixels/segundo
// Nota: ax_, ay_ ahora se interpretan como pixels/segundo²
void SurfaceMovingSprite::move(float delta_time) {
// Aplica aceleración a velocidad (time-based)
vx_ += ax_ * delta_time;
vy_ += ay_ * delta_time;
// Aplica velocidad a posición (time-based)
x_ += vx_ * delta_time;
y_ += vy_ * delta_time;
// Actualiza posición entera para renderizado
pos_.x = static_cast<int>(x_);
pos_.y = static_cast<int>(y_);
}
// Actualiza las variables internas del objeto (time-based)
void SurfaceMovingSprite::update(float delta_time) {
move(delta_time);
}
// Muestra el sprite por pantalla
void SurfaceMovingSprite::render() {
surface_->render(pos_.x, pos_.y, &clip_, flip_);
}
// Muestra el sprite por pantalla
void SurfaceMovingSprite::render(Uint8 source_color, Uint8 target_color) {
surface_->renderWithColorReplace(pos_.x, pos_.y, source_color, target_color, &clip_, flip_);
}
// Establece la posición y_ el tamaño del objeto
void SurfaceMovingSprite::setPos(SDL_FRect rect) {
x_ = rect.x;
y_ = rect.y;
pos_ = rect;
}
// Establece el valor de las variables
void SurfaceMovingSprite::setPos(float x, float y) {
x_ = x;
y_ = y;
pos_.x = static_cast<int>(x_);
pos_.y = static_cast<int>(y_);
}
// Establece el valor de la variable
void SurfaceMovingSprite::setPosX(float value) {
x_ = value;
pos_.x = static_cast<int>(x_);
}
// Establece el valor de la variable
void SurfaceMovingSprite::setPosY(float value) {
y_ = value;
pos_.y = static_cast<int>(y_);
}

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#pragma once
#include <SDL3/SDL.h>
#include <memory> // Para shared_ptr
#include "core/rendering/surface_sprite.hpp" // Para SSprite
class Surface; // lines 8-8
// Clase SMovingSprite. Añade movimiento y flip al sprite
class SurfaceMovingSprite : public SurfaceSprite {
public:
// Constructores
SurfaceMovingSprite(std::shared_ptr<Surface> surface, SDL_FRect pos, SDL_FlipMode flip);
SurfaceMovingSprite(std::shared_ptr<Surface> surface, SDL_FRect pos);
explicit SurfaceMovingSprite();
explicit SurfaceMovingSprite(std::shared_ptr<Surface> surface);
~SurfaceMovingSprite() override = default;
// Actualización y renderizado
void update(float delta_time) override; // Actualiza variables internas (time-based)
void render() override; // Muestra el sprite por pantalla
void render(Uint8 source_color, Uint8 target_color) override; // Renderiza con reemplazo de color
// Gestión de estado
void clear() override; // Reinicia todas las variables a cero
// Getters de posición
[[nodiscard]] auto getPosX() const -> float { return x_; }
[[nodiscard]] auto getPosY() const -> float { return y_; }
// Getters de velocidad
[[nodiscard]] auto getVelX() const -> float { return vx_; }
[[nodiscard]] auto getVelY() const -> float { return vy_; }
// Getters de aceleración
[[nodiscard]] auto getAccelX() const -> float { return ax_; }
[[nodiscard]] auto getAccelY() const -> float { return ay_; }
// Setters de posición
void setPos(SDL_FRect rect); // Establece posición y tamaño del objeto
void setPos(float x, float y); // Establece posición x, y
void setPosX(float value); // Establece posición X
void setPosY(float value); // Establece posición Y
// Setters de velocidad
void setVelX(float value) { vx_ = value; }
void setVelY(float value) { vy_ = value; }
// Setters de aceleración
void setAccelX(float value) { ax_ = value; }
void setAccelY(float value) { ay_ = value; }
// Gestión de flip (volteo horizontal)
void setFlip(SDL_FlipMode flip) { flip_ = flip; } // Establece modo de flip
auto getFlip() -> SDL_FlipMode { return flip_; } // Obtiene modo de flip
void flip() { flip_ = (flip_ == SDL_FLIP_HORIZONTAL) ? SDL_FLIP_NONE : SDL_FLIP_HORIZONTAL; } // Alterna flip horizontal
protected:
// Métodos protegidos
void move(float delta_time); // Mueve el sprite (time-based)
// Variables miembro - Posición
float x_{0.0F}; // Posición en el eje X
float y_{0.0F}; // Posición en el eje Y
// Variables miembro - Velocidad (pixels/segundo)
float vx_{0.0F}; // Velocidad en el eje X
float vy_{0.0F}; // Velocidad en el eje Y
// Variables miembro - Aceleración (pixels/segundo²)
float ax_{0.0F}; // Aceleración en el eje X
float ay_{0.0F}; // Aceleración en el eje Y
// Variables miembro - Renderizado
SDL_FlipMode flip_{SDL_FLIP_NONE}; // Modo de volteo del sprite
};

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#include "core/rendering/surface_sprite.hpp"
#include <utility>
#include "core/rendering/surface.hpp" // Para Surface
// Constructor
SurfaceSprite::SurfaceSprite(std::shared_ptr<Surface> surface, float x, float y, float w, float h)
: surface_(std::move(surface)),
pos_{x, y, w, h},
clip_{0.0F, 0.0F, pos_.w, pos_.h} {}
SurfaceSprite::SurfaceSprite(std::shared_ptr<Surface> surface, SDL_FRect rect)
: surface_(std::move(surface)),
pos_(rect),
clip_{0.0F, 0.0F, pos_.w, pos_.h} {}
SurfaceSprite::SurfaceSprite() = default;
SurfaceSprite::SurfaceSprite(std::shared_ptr<Surface> surface)
: surface_(std::move(surface)),
pos_{0.0F, 0.0F, surface_->getWidth(), surface_->getHeight()},
clip_(pos_) {}
// Muestra el sprite por pantalla
void SurfaceSprite::render() {
surface_->render(pos_.x, pos_.y, &clip_);
}
void SurfaceSprite::render(Uint8 source_color, Uint8 target_color) {
surface_->renderWithColorReplace(pos_.x, pos_.y, source_color, target_color, &clip_);
}
// Establece la posición del objeto
void SurfaceSprite::setPosition(float x, float y) {
pos_.x = x;
pos_.y = y;
}
// Establece la posición del objeto
void SurfaceSprite::setPosition(SDL_FPoint p) {
pos_.x = p.x;
pos_.y = p.y;
}
// Reinicia las variables a cero
void SurfaceSprite::clear() {
pos_ = {.x = 0.0F, .y = 0.0F, .w = 0.0F, .h = 0.0F};
clip_ = {.x = 0.0F, .y = 0.0F, .w = 0.0F, .h = 0.0F};
}
// Actualiza el estado del sprite (time-based)
void SurfaceSprite::update(float delta_time) {
// Base implementation does nothing (static sprites)
(void)delta_time; // Evita warning de parámetro no usado
}

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#pragma once
#include <SDL3/SDL.h>
#include <memory> // Para shared_ptr
#include <utility>
class Surface; // lines 5-5
// Clase SurfaceSprite
class SurfaceSprite {
public:
// Constructores
SurfaceSprite(std::shared_ptr<Surface>, float x, float y, float w, float h);
SurfaceSprite(std::shared_ptr<Surface>, SDL_FRect rect);
SurfaceSprite();
explicit SurfaceSprite(std::shared_ptr<Surface>);
// Destructor
virtual ~SurfaceSprite() = default;
// Actualización y renderizado
virtual void update(float delta_time); // Actualiza el estado del sprite (time-based)
virtual void render(); // Muestra el sprite por pantalla
virtual void render(Uint8 source_color, Uint8 target_color); // Renderiza con reemplazo de color
// Gestión de estado
virtual void clear(); // Reinicia las variables a cero
// Obtención de propiedades
[[nodiscard]] auto getX() const -> float { return pos_.x; }
[[nodiscard]] auto getY() const -> float { return pos_.y; }
[[nodiscard]] auto getWidth() const -> float { return pos_.w; }
[[nodiscard]] auto getHeight() const -> float { return pos_.h; }
[[nodiscard]] auto getPosition() const -> SDL_FRect { return pos_; }
[[nodiscard]] auto getClip() const -> SDL_FRect { return clip_; }
[[nodiscard]] auto getSurface() const -> std::shared_ptr<Surface> { return surface_; }
auto getRect() -> SDL_FRect& { return pos_; }
// Modificación de posición y tamaño
void setX(float x) { pos_.x = x; }
void setY(float y) { pos_.y = y; }
void setWidth(float w) { pos_.w = w; }
void setHeight(float h) { pos_.h = h; }
void setPosition(float x, float y);
void setPosition(SDL_FPoint p);
void setPosition(SDL_FRect r) { pos_ = r; }
void incX(float value) { pos_.x += value; }
void incY(float value) { pos_.y += value; }
// Modificación de clip y surface
void setClip(SDL_FRect rect) { clip_ = rect; }
void setClip(float x, float y, float w, float h) { clip_ = SDL_FRect{x, y, w, h}; }
void setSurface(std::shared_ptr<Surface> surface) { surface_ = std::move(surface); }
protected:
// Variables miembro
std::shared_ptr<Surface> surface_{nullptr}; // Surface donde estan todos los dibujos del sprite
SDL_FRect pos_{0.0F, 0.0F, 0.0F, 0.0F}; // Posición y tamaño donde dibujar el sprite
SDL_FRect clip_{0.0F, 0.0F, 0.0F, 0.0F}; // Rectangulo de origen de la surface que se dibujará en pantalla
};

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#include "core/rendering/text.hpp"
#include <SDL3/SDL.h>
#include <cstddef> // Para size_t
#include <fstream> // Para basic_ifstream, basic_istream, basic_ostream
#include <iostream> // Para cerr
#include <sstream> // Para istringstream
#include <stdexcept> // Para runtime_error
#include "core/rendering/screen.hpp" // Para Screen
#include "core/rendering/surface.hpp" // Para Surface
#include "core/rendering/surface_sprite.hpp" // Para SSprite
#include "core/resources/resource_helper.hpp" // Para ResourceHelper
#include "utils/utils.hpp" // Para getFileName, stringToColor, printWithDots
// Llena una estructuta TextFile desde un fichero
auto Text::loadTextFile(const std::string& file_path) -> std::shared_ptr<File> {
auto tf = std::make_shared<File>();
// No es necesario inicializar - los miembros tienen valores por defecto
// Load file using ResourceHelper (supports both filesystem and pack)
auto file_data = Resource::Helper::loadFile(file_path);
if (file_data.empty()) {
std::cerr << "Error: Fichero no encontrado " << getFileName(file_path) << '\n';
throw std::runtime_error("Fichero no encontrado: " + getFileName(file_path));
}
// Convert bytes to string and parse
std::string content(file_data.begin(), file_data.end());
std::istringstream stream(content);
std::string buffer;
// Lee los dos primeros valores del fichero
std::getline(stream, buffer);
// Remove Windows line ending if present
if (!buffer.empty() && buffer.back() == '\r') {
buffer.pop_back();
}
std::getline(stream, buffer);
// Remove Windows line ending if present
if (!buffer.empty() && buffer.back() == '\r') {
buffer.pop_back();
}
tf->box_width = std::stoi(buffer);
std::getline(stream, buffer);
// Remove Windows line ending if present
if (!buffer.empty() && buffer.back() == '\r') {
buffer.pop_back();
}
std::getline(stream, buffer);
// Remove Windows line ending if present
if (!buffer.empty() && buffer.back() == '\r') {
buffer.pop_back();
}
tf->box_height = std::stoi(buffer);
// lee el resto de datos del fichero
auto index = 32;
auto line_read = 0;
while (std::getline(stream, buffer)) {
// Remove Windows line ending if present
if (!buffer.empty() && buffer.back() == '\r') {
buffer.pop_back();
}
// Almacena solo las lineas impares
if (line_read % 2 == 1) {
tf->offset[index++].w = std::stoi(buffer);
}
// Limpia el buffer
buffer.clear();
line_read++;
};
printWithDots("Text File : ", getFileName(file_path), "[ LOADED ]");
// Establece las coordenadas para cada caracter ascii de la cadena y su ancho
for (int i = 32; i < 128; ++i) {
tf->offset[i].x = ((i - 32) % 15) * tf->box_width;
tf->offset[i].y = ((i - 32) / 15) * tf->box_height;
}
return tf;
}
// Constructor
Text::Text(const std::shared_ptr<Surface>& surface, const std::string& text_file) {
// Carga los offsets desde el fichero
auto tf = loadTextFile(text_file);
// Inicializa variables desde la estructura
box_height_ = tf->box_height;
box_width_ = tf->box_width;
offset_ = tf->offset;
// Crea los objetos
sprite_ = std::make_unique<SurfaceSprite>(surface, (SDL_FRect){0.0F, 0.0F, static_cast<float>(box_width_), static_cast<float>(box_height_)});
}
// Constructor
Text::Text(const std::shared_ptr<Surface>& surface, const std::shared_ptr<File>& text_file)
: sprite_(std::make_unique<SurfaceSprite>(surface, (SDL_FRect){0.0F, 0.0F, static_cast<float>(text_file->box_width), static_cast<float>(text_file->box_height)})),
box_width_(text_file->box_width),
box_height_(text_file->box_height),
offset_(text_file->offset) {
}
// Escribe texto en pantalla
void Text::write(int x, int y, const std::string& text, int kerning, int lenght) {
int shift = 0;
if (lenght == -1) {
lenght = text.length();
}
sprite_->setY(y);
for (int i = 0; i < lenght; ++i) {
auto index = static_cast<int>(text[i]);
sprite_->setClip(offset_[index].x, offset_[index].y, box_width_, box_height_);
sprite_->setX(x + shift);
sprite_->render(1, 15);
shift += offset_[static_cast<int>(text[i])].w + kerning;
}
}
// Escribe el texto en una surface
auto Text::writeToSurface(const std::string& text, int zoom, int kerning) -> std::shared_ptr<Surface> {
auto width = length(text, kerning) * zoom;
auto height = box_height_ * zoom;
auto surface = std::make_shared<Surface>(width, height);
auto previuos_renderer = Screen::get()->getRendererSurface();
Screen::get()->setRendererSurface(surface);
surface->clear(stringToColor("transparent"));
write(0, 0, text, kerning);
Screen::get()->setRendererSurface(previuos_renderer);
return surface;
}
// Escribe el texto con extras en una surface
auto Text::writeDXToSurface(Uint8 flags, const std::string& text, int kerning, Uint8 text_color, Uint8 shadow_distance, Uint8 shadow_color, int lenght) -> std::shared_ptr<Surface> {
auto width = Text::length(text, kerning) + shadow_distance;
auto height = box_height_ + shadow_distance;
auto surface = std::make_shared<Surface>(width, height);
auto previuos_renderer = Screen::get()->getRendererSurface();
Screen::get()->setRendererSurface(surface);
surface->clear(stringToColor("transparent"));
writeDX(flags, 0, 0, text, kerning, text_color, shadow_distance, shadow_color, lenght);
Screen::get()->setRendererSurface(previuos_renderer);
return surface;
}
// Escribe el texto con colores
void Text::writeColored(int x, int y, const std::string& text, Uint8 color, int kerning, int lenght) {
int shift = 0;
if (lenght == -1) {
lenght = text.length();
}
sprite_->setY(y);
for (int i = 0; i < lenght; ++i) {
auto index = static_cast<int>(text[i]);
sprite_->setClip(offset_[index].x, offset_[index].y, box_width_, box_height_);
sprite_->setX(x + shift);
sprite_->render(1, color);
shift += offset_[static_cast<int>(text[i])].w + kerning;
}
}
// Escribe el texto con sombra
void Text::writeShadowed(int x, int y, const std::string& text, Uint8 color, Uint8 shadow_distance, int kerning, int lenght) {
writeColored(x + shadow_distance, y + shadow_distance, text, color, kerning, lenght);
write(x, y, text, kerning, lenght);
}
// Escribe el texto centrado en un punto x
void Text::writeCentered(int x, int y, const std::string& text, int kerning, int lenght) {
x -= (Text::length(text, kerning) / 2);
write(x, y, text, kerning, lenght);
}
// Escribe texto con extras
void Text::writeDX(Uint8 flags, int x, int y, const std::string& text, int kerning, Uint8 text_color, Uint8 shadow_distance, Uint8 shadow_color, int lenght) {
const auto CENTERED = ((flags & CENTER_FLAG) == CENTER_FLAG);
const auto SHADOWED = ((flags & SHADOW_FLAG) == SHADOW_FLAG);
const auto COLORED = ((flags & COLOR_FLAG) == COLOR_FLAG);
const auto STROKED = ((flags & STROKE_FLAG) == STROKE_FLAG);
if (CENTERED) {
x -= (Text::length(text, kerning) / 2);
}
if (SHADOWED) {
writeColored(x + shadow_distance, y + shadow_distance, text, shadow_color, kerning, lenght);
}
if (STROKED) {
for (int dist = 1; dist <= shadow_distance; ++dist) {
for (int dy = -dist; dy <= dist; ++dy) {
for (int dx = -dist; dx <= dist; ++dx) {
writeColored(x + dx, y + dy, text, shadow_color, kerning, lenght);
}
}
}
}
if (COLORED) {
writeColored(x, y, text, text_color, kerning, lenght);
} else {
writeColored(x, y, text, text_color, kerning, lenght);
// write(x, y, text, kerning, lenght);
}
}
// Obtiene la longitud en pixels de una cadena
auto Text::length(const std::string& text, int kerning) const -> int {
int shift = 0;
for (size_t i = 0; i < text.length(); ++i) {
shift += (offset_[static_cast<int>(text[i])].w + kerning);
}
// Descuenta el kerning del último caracter
return shift - kerning;
}
// Devuelve el valor de la variable
auto Text::getCharacterSize() const -> int {
return box_width_;
}
// Establece si se usa un tamaño fijo de letra
void Text::setFixedWidth(bool value) {
fixed_width_ = value;
}

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#pragma once
#include <SDL3/SDL.h>
#include <array> // Para std::array
#include <memory> // Para shared_ptr, unique_ptr
#include <string> // Para string
#include "core/rendering/surface_sprite.hpp" // Para SSprite
class Surface; // lines 8-8
// Clase texto. Pinta texto en pantalla a partir de un bitmap
class Text {
public:
// Tipos anidados públicos
struct Offset {
int x{0}, y{0}, w{0};
};
struct File {
int box_width{0}; // Anchura de la caja de cada caracter en el png
int box_height{0}; // Altura de la caja de cada caracter en el png
std::array<Offset, 128> offset{}; // Vector con las posiciones y ancho de cada letra
};
// Constructor
Text(const std::shared_ptr<Surface>& surface, const std::string& text_file);
Text(const std::shared_ptr<Surface>& surface, const std::shared_ptr<File>& text_file);
// Destructor
~Text() = default;
// Constantes de flags para writeDX
static constexpr int COLOR_FLAG = 1;
static constexpr int SHADOW_FLAG = 2;
static constexpr int CENTER_FLAG = 4;
static constexpr int STROKE_FLAG = 8;
void write(int x, int y, const std::string& text, int kerning = 1, int lenght = -1); // Escribe el texto en pantalla
void writeColored(int x, int y, const std::string& text, Uint8 color, int kerning = 1, int lenght = -1); // Escribe el texto con colores
void writeShadowed(int x, int y, const std::string& text, Uint8 color, Uint8 shadow_distance = 1, int kerning = 1, int lenght = -1); // Escribe el texto con sombra
void writeCentered(int x, int y, const std::string& text, int kerning = 1, int lenght = -1); // Escribe el texto centrado en un punto x
void writeDX(Uint8 flags, int x, int y, const std::string& text, int kerning = 1, Uint8 text_color = Uint8(), Uint8 shadow_distance = 1, Uint8 shadow_color = Uint8(), int lenght = -1); // Escribe texto con extras
auto writeToSurface(const std::string& text, int zoom = 1, int kerning = 1) -> std::shared_ptr<Surface>; // Escribe el texto en una textura
auto writeDXToSurface(Uint8 flags, const std::string& text, int kerning = 1, Uint8 text_color = Uint8(), Uint8 shadow_distance = 1, Uint8 shadow_color = Uint8(), int lenght = -1) -> std::shared_ptr<Surface>; // Escribe el texto con extras en una textura
[[nodiscard]] auto length(const std::string& text, int kerning = 1) const -> int; // Obtiene la longitud en pixels de una cadena
[[nodiscard]] auto getCharacterSize() const -> int; // Devuelve el tamaño del caracter
void setFixedWidth(bool value); // Establece si se usa un tamaño fijo de letra
static auto loadTextFile(const std::string& file_path) -> std::shared_ptr<File>; // Método de utilidad para cargar ficheros de texto
private:
// Objetos y punteros
std::unique_ptr<SurfaceSprite> sprite_ = nullptr; // Objeto con los graficos para el texto
// Variables
int box_width_ = 0; // Anchura de la caja de cada caracter en el png
int box_height_ = 0; // Altura de la caja de cada caracter en el png
bool fixed_width_ = false; // Indica si el texto se ha de escribir con longitud fija en todas las letras
std::array<Offset, 128> offset_{}; // Vector con las posiciones y ancho de cada letra
};

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#include "core/rendering/texture.hpp"
#include <SDL3/SDL.h>
#include <iostream> // Para basic_ostream, operator<<, endl, cout
#include <stdexcept> // Para runtime_error
#include <string> // Para char_traits, operator<<, string, opera...
#include <utility>
#include <vector> // Para vector
#include "utils/utils.hpp" // Para getFileName, ColorRGB, printWithDots
#define STB_IMAGE_IMPLEMENTATION
#include "external/stb_image.h" // para stbi_failure_reason, stbi_image_free
// Constructor
Texture::Texture(SDL_Renderer* renderer, std::string path)
: renderer_(renderer),
path_(std::move(path)) {
// Carga el fichero en la textura
if (!path_.empty()) {
// Obtiene la extensión
const std::string EXTENSION = path_.substr(path_.find_last_of('.') + 1);
// .png
if (EXTENSION == "png") {
loadFromFile(path_);
}
}
}
// Destructor
Texture::~Texture() {
unloadTexture();
palettes_.clear();
}
// Carga una imagen desde un fichero
auto Texture::loadFromFile(const std::string& file_path) -> bool {
if (file_path.empty()) {
return false;
}
int req_format = STBI_rgb_alpha;
int width;
int height;
int orig_format;
unsigned char* data = stbi_load(file_path.c_str(), &width, &height, &orig_format, req_format);
if (data == nullptr) {
std::cerr << "Error: Fichero no encontrado " << getFileName(file_path) << '\n';
throw std::runtime_error("Fichero no encontrado: " + getFileName(file_path));
}
printWithDots("Image : ", getFileName(file_path), "[ LOADED ]");
int pitch;
SDL_PixelFormat pixel_format;
// STBI_rgb_alpha (RGBA)
pitch = 4 * width;
pixel_format = SDL_PIXELFORMAT_RGBA32;
// Limpia
unloadTexture();
// La textura final
SDL_Texture* new_texture = nullptr;
// Carga la imagen desde una ruta específica
auto* loaded_surface = SDL_CreateSurfaceFrom(width, height, pixel_format, static_cast<void*>(data), pitch);
if (loaded_surface == nullptr) {
std::cout << "Unable to load image " << file_path << '\n';
} else {
// Crea la textura desde los pixels de la surface
new_texture = SDL_CreateTextureFromSurface(renderer_, loaded_surface);
if (new_texture == nullptr) {
std::cout << "Unable to create texture from " << file_path << "! SDL Error: " << SDL_GetError() << '\n';
} else {
// Obtiene las dimensiones de la imagen
width_ = loaded_surface->w;
height_ = loaded_surface->h;
}
// Elimina la textura cargada
SDL_DestroySurface(loaded_surface);
}
// Return success
stbi_image_free(data);
texture_ = new_texture;
return texture_ != nullptr;
}
// Crea una textura en blanco
auto Texture::createBlank(int width, int height, SDL_PixelFormat format, SDL_TextureAccess access) -> bool {
// Crea una textura sin inicializar
texture_ = SDL_CreateTexture(renderer_, format, access, width, height);
if (texture_ == nullptr) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to create blank texture! SDL Error: %s", SDL_GetError());
} else {
width_ = width;
height_ = height;
}
return texture_ != nullptr;
}
// Libera la memoria de la textura
void Texture::unloadTexture() {
// Libera la textura
if (texture_ != nullptr) {
SDL_DestroyTexture(texture_);
texture_ = nullptr;
width_ = 0;
height_ = 0;
}
}
// Establece el color para la modulacion
void Texture::setColor(Uint8 red, Uint8 green, Uint8 blue) { SDL_SetTextureColorMod(texture_, red, green, blue); }
void Texture::setColor(ColorRGB color) { SDL_SetTextureColorMod(texture_, color.r, color.g, color.b); }
// Establece el blending
void Texture::setBlendMode(SDL_BlendMode blending) { SDL_SetTextureBlendMode(texture_, blending); }
// Establece el alpha para la modulación
void Texture::setAlpha(Uint8 alpha) { SDL_SetTextureAlphaMod(texture_, alpha); }
// Renderiza la textura en un punto específico
void Texture::render(float x, float y, SDL_FRect* clip, float zoom_w, float zoom_h, double angle, SDL_FPoint* center, SDL_FlipMode flip) {
// Establece el destino de renderizado en la pantalla
SDL_FRect render_quad = {x, y, width_, height_};
// Obtiene las dimesiones del clip de renderizado
if (clip != nullptr) {
render_quad.w = clip->w;
render_quad.h = clip->h;
}
// Calcula el zoom y las coordenadas
if (zoom_h != 1.0F || zoom_w != 1.0F) {
render_quad.x = render_quad.x + (render_quad.w / 2);
render_quad.y = render_quad.y + (render_quad.h / 2);
render_quad.w = render_quad.w * zoom_w;
render_quad.h = render_quad.h * zoom_h;
render_quad.x = render_quad.x - (render_quad.w / 2);
render_quad.y = render_quad.y - (render_quad.h / 2);
}
// Renderiza a pantalla
SDL_RenderTextureRotated(renderer_, texture_, clip, &render_quad, angle, center, flip);
}
// Establece la textura como objetivo de renderizado
void Texture::setAsRenderTarget(SDL_Renderer* renderer) { SDL_SetRenderTarget(renderer, texture_); }
// Recarga la textura
auto Texture::reLoad() -> bool { return loadFromFile(path_); }
// Obtiene la textura
auto Texture::getSDLTexture() -> SDL_Texture* { return texture_; }
// Obtiene el renderizador
auto Texture::getRenderer() -> SDL_Renderer* { return renderer_; }

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#pragma once
#include <SDL3/SDL.h>
#include <string> // Para string
#include <vector> // Para vector
struct ColorRGB; // Forward declaration
class Texture {
public:
explicit Texture(SDL_Renderer* renderer, std::string path = std::string()); // Constructor
~Texture(); // Destructor
auto loadFromFile(const std::string& path) -> bool; // Carga una imagen desde un fichero
auto createBlank(int width, int height, SDL_PixelFormat format = SDL_PIXELFORMAT_RGBA8888, SDL_TextureAccess access = SDL_TEXTUREACCESS_STREAMING) -> bool; // Crea una textura en blanco
auto reLoad() -> bool; // Recarga la textura
void setColor(Uint8 red, Uint8 green, Uint8 blue); // Establece el color para la modulacion
void setColor(ColorRGB color); // Establece el color para la modulacion
void setBlendMode(SDL_BlendMode blending); // Establece el blending
void setAlpha(Uint8 alpha); // Establece el alpha para la modulación
void setAsRenderTarget(SDL_Renderer* renderer); // Establece la textura como objetivo de renderizado
void render(float x, float y, SDL_FRect* clip = nullptr, float zoom_w = 1, float zoom_h = 1, double angle = 0.0, SDL_FPoint* center = nullptr, SDL_FlipMode flip = SDL_FLIP_NONE); // Renderiza la textura en un punto específico
[[nodiscard]] auto getWidth() const -> int { return width_; } // Obtiene el ancho de la imagen
[[nodiscard]] auto getHeight() const -> int { return height_; } // Obtiene el alto de la imagen
auto getSDLTexture() -> SDL_Texture*; // Obtiene la textura
auto getRenderer() -> SDL_Renderer*; // Obtiene el renderizador
private:
void unloadTexture(); // Libera la memoria de la textura
// Objetos y punteros
SDL_Renderer* renderer_; // Renderizador donde dibujar la textura
SDL_Texture* texture_ = nullptr; // La textura
// Variables
std::string path_; // Ruta de la imagen de la textura
float width_ = 0.0F; // Ancho de la imagen
float height_ = 0.0F; // Alto de la imagen
std::vector<std::vector<Uint32>> palettes_; // Vector con las diferentes paletas
};

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#include "core/resources/resource_cache.hpp"
#include <SDL3/SDL.h>
#include <algorithm> // Para find_if
#include <cstdlib> // Para exit, size_t
#include <iostream> // Para basic_ostream, operator<<, endl, cout
#include <stdexcept> // Para runtime_error
#include <utility>
#include "core/audio/jail_audio.hpp" // Para JA_DeleteMusic, JA_DeleteSound, JA_Loa...
#include "core/rendering/screen.hpp" // Para Screen
#include "core/rendering/text.hpp" // Para Text, loadTextFile
#include "core/resources/resource_helper.hpp" // Para Helper
#include "core/resources/resource_list.hpp" // Para List, List::Type
#include "game/defaults.hpp" // Para Defaults namespace
#include "game/gameplay/room.hpp" // Para RoomData, loadRoomFile, loadRoomTileFile
#include "game/options.hpp" // Para Options, OptionsGame, options
#include "project.h" // Para Project::GIT_HASH
#include "utils/color.hpp" // Para Color
#include "utils/utils.hpp" // Para getFileName, printWithDots
struct JA_Music_t; // lines 17-17
struct JA_Sound_t; // lines 18-18
namespace Resource {
// [SINGLETON] Hay que definir las variables estáticas, desde el .h sólo la hemos declarado
Cache* Cache::cache = nullptr;
// [SINGLETON] Crearemos el objeto cache con esta función estática
void Cache::init() { Cache::cache = new Cache(); }
// [SINGLETON] Destruiremos el objeto cache con esta función estática
void Cache::destroy() { delete Cache::cache; }
// [SINGLETON] Con este método obtenemos el objeto cache y podemos trabajar con él
auto Cache::get() -> Cache* { return Cache::cache; }
// Constructor
Cache::Cache()
: loading_text_(Screen::get()->getText()) {
load();
}
// Vacia todos los vectores de recursos
void Cache::clear() {
clearSounds();
clearMusics();
surfaces_.clear();
palettes_.clear();
text_files_.clear();
texts_.clear();
animations_.clear();
}
// Carga todos los recursos
void Cache::load() {
calculateTotal();
Screen::get()->setBorderColor(Color::index(Color::Cpc::BLACK));
std::cout << "\n** LOADING RESOURCES" << '\n';
loadSounds();
loadMusics();
loadSurfaces();
loadPalettes();
loadTextFiles();
loadAnimations();
loadRooms();
createText();
std::cout << "\n** RESOURCES LOADED" << '\n';
}
// Recarga todos los recursos
void Cache::reload() {
clear();
load();
}
// Obtiene el sonido a partir de un nombre
auto Cache::getSound(const std::string& name) -> JA_Sound_t* {
auto it = std::ranges::find_if(sounds_, [&name](const auto& s) { return s.name == name; });
if (it != sounds_.end()) {
return it->sound;
}
std::cerr << "Error: Sonido no encontrado " << name << '\n';
throw std::runtime_error("Sonido no encontrado: " + name);
}
// Obtiene la música a partir de un nombre
auto Cache::getMusic(const std::string& name) -> JA_Music_t* {
auto it = std::ranges::find_if(musics_, [&name](const auto& m) { return m.name == name; });
if (it != musics_.end()) {
return it->music;
}
std::cerr << "Error: Música no encontrada " << name << '\n';
throw std::runtime_error("Música no encontrada: " + name);
}
// Obtiene la surface a partir de un nombre
auto Cache::getSurface(const std::string& name) -> std::shared_ptr<Surface> {
auto it = std::ranges::find_if(surfaces_, [&name](const auto& t) { return t.name == name; });
if (it != surfaces_.end()) {
return it->surface;
}
std::cerr << "Error: Imagen no encontrada " << name << '\n';
throw std::runtime_error("Imagen no encontrada: " + name);
}
// Obtiene la paleta a partir de un nombre
auto Cache::getPalette(const std::string& name) -> Palette {
auto it = std::ranges::find_if(palettes_, [&name](const auto& t) { return t.name == name; });
if (it != palettes_.end()) {
return it->palette;
}
std::cerr << "Error: Paleta no encontrada " << name << '\n';
throw std::runtime_error("Paleta no encontrada: " + name);
}
// Obtiene el fichero de texto a partir de un nombre
auto Cache::getTextFile(const std::string& name) -> std::shared_ptr<Text::File> {
auto it = std::ranges::find_if(text_files_, [&name](const auto& t) { return t.name == name; });
if (it != text_files_.end()) {
return it->text_file;
}
std::cerr << "Error: TextFile no encontrado " << name << '\n';
throw std::runtime_error("TextFile no encontrado: " + name);
}
// Obtiene el objeto de texto a partir de un nombre
auto Cache::getText(const std::string& name) -> std::shared_ptr<Text> {
auto it = std::ranges::find_if(texts_, [&name](const auto& t) { return t.name == name; });
if (it != texts_.end()) {
return it->text;
}
std::cerr << "Error: Text no encontrado " << name << '\n';
throw std::runtime_error("Texto no encontrado: " + name);
}
// Obtiene los datos de animación parseados a partir de un nombre
auto Cache::getAnimationData(const std::string& name) -> const AnimationResource& {
auto it = std::ranges::find_if(animations_, [&name](const auto& a) { return a.name == name; });
if (it != animations_.end()) {
return *it;
}
std::cerr << "Error: Animación no encontrada " << name << '\n';
throw std::runtime_error("Animación no encontrada: " + name);
}
// Obtiene la habitación a partir de un nombre
auto Cache::getRoom(const std::string& name) -> std::shared_ptr<Room::Data> {
auto it = std::ranges::find_if(rooms_, [&name](const auto& r) { return r.name == name; });
if (it != rooms_.end()) {
return it->room;
}
std::cerr << "Error: Habitación no encontrada " << name << '\n';
throw std::runtime_error("Habitación no encontrada: " + name);
}
// Obtiene todas las habitaciones
auto Cache::getRooms() -> std::vector<RoomResource>& {
return rooms_;
}
// Helper para lanzar errores de carga con formato consistente
[[noreturn]] void Cache::throwLoadError(const std::string& asset_type, const std::string& file_path, const std::exception& e) {
std::cerr << "\n[ ERROR ] Failed to load " << asset_type << ": " << getFileName(file_path) << '\n';
std::cerr << "[ ERROR ] Path: " << file_path << '\n';
std::cerr << "[ ERROR ] Reason: " << e.what() << '\n';
std::cerr << "[ ERROR ] Check config/assets.yaml configuration\n";
throw;
}
// Carga los sonidos
void Cache::loadSounds() {
std::cout << "\n>> SOUND FILES" << '\n';
auto list = List::get()->getListByType(List::Type::SOUND);
sounds_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
JA_Sound_t* sound = nullptr;
// Try loading from resource pack first
auto audio_data = Helper::loadFile(l);
if (!audio_data.empty()) {
sound = JA_LoadSound(audio_data.data(), static_cast<Uint32>(audio_data.size()));
}
// Fallback to file path if memory loading failed
if (sound == nullptr) {
sound = JA_LoadSound(l.c_str());
}
if (sound == nullptr) {
throw std::runtime_error("Failed to decode audio file");
}
sounds_.emplace_back(SoundResource{.name = name, .sound = sound});
printWithDots("Sound : ", name, "[ LOADED ]");
updateLoadingProgress();
} catch (const std::exception& e) {
throwLoadError("SOUND", l, e);
}
}
}
// Carga las musicas
void Cache::loadMusics() {
std::cout << "\n>> MUSIC FILES" << '\n';
auto list = List::get()->getListByType(List::Type::MUSIC);
musics_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
JA_Music_t* music = nullptr;
// Try loading from resource pack first
auto audio_data = Helper::loadFile(l);
if (!audio_data.empty()) {
music = JA_LoadMusic(audio_data.data(), static_cast<Uint32>(audio_data.size()));
}
// Fallback to file path if memory loading failed
if (music == nullptr) {
music = JA_LoadMusic(l.c_str());
}
if (music == nullptr) {
throw std::runtime_error("Failed to decode music file");
}
musics_.emplace_back(MusicResource{.name = name, .music = music});
printWithDots("Music : ", name, "[ LOADED ]");
updateLoadingProgress(1);
} catch (const std::exception& e) {
throwLoadError("MUSIC", l, e);
}
}
}
// Carga las texturas
void Cache::loadSurfaces() {
std::cout << "\n>> SURFACES" << '\n';
auto list = List::get()->getListByType(List::Type::BITMAP);
surfaces_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
surfaces_.emplace_back(SurfaceResource{.name = name, .surface = std::make_shared<Surface>(l)});
surfaces_.back().surface->setTransparentColor(0);
updateLoadingProgress();
} catch (const std::exception& e) {
throwLoadError("BITMAP", l, e);
}
}
}
// Carga las paletas
void Cache::loadPalettes() {
std::cout << "\n>> PALETTES" << '\n';
auto list = List::get()->getListByType(List::Type::PALETTE);
palettes_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
palettes_.emplace_back(ResourcePalette{.name = name, .palette = readPalFile(l)});
updateLoadingProgress();
} catch (const std::exception& e) {
throwLoadError("PALETTE", l, e);
}
}
}
// Carga los ficheros de texto
void Cache::loadTextFiles() {
std::cout << "\n>> TEXT FILES" << '\n';
auto list = List::get()->getListByType(List::Type::FONT);
text_files_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
text_files_.emplace_back(TextFileResource{.name = name, .text_file = Text::loadTextFile(l)});
updateLoadingProgress();
} catch (const std::exception& e) {
throwLoadError("FONT", l, e);
}
}
}
// Carga las animaciones
void Cache::loadAnimations() {
std::cout << "\n>> ANIMATIONS" << '\n';
auto list = List::get()->getListByType(List::Type::ANIMATION);
animations_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
// Cargar bytes del archivo YAML sin parsear (carga lazy)
auto yaml_bytes = Helper::loadFile(l);
if (yaml_bytes.empty()) {
throw std::runtime_error("File is empty or could not be loaded");
}
animations_.emplace_back(AnimationResource{.name = name, .yaml_data = yaml_bytes});
printWithDots("Animation : ", name, "[ LOADED ]");
updateLoadingProgress();
} catch (const std::exception& e) {
throwLoadError("ANIMATION", l, e);
}
}
}
// Carga las habitaciones desde archivos YAML
void Cache::loadRooms() {
std::cout << "\n>> ROOMS" << '\n';
auto list = List::get()->getListByType(List::Type::ROOM);
rooms_.clear();
for (const auto& l : list) {
try {
auto name = getFileName(l);
rooms_.emplace_back(RoomResource{.name = name, .room = std::make_shared<Room::Data>(Room::loadYAML(l))});
printWithDots("Room : ", name, "[ LOADED ]");
updateLoadingProgress();
} catch (const std::exception& e) {
throwLoadError("ROOM", l, e);
}
}
}
void Cache::createText() {
struct ResourceInfo {
std::string key; // Identificador del recurso
std::string texture_file; // Nombre del archivo de textura
std::string text_file; // Nombre del archivo de texto
};
std::cout << "\n>> CREATING TEXT_OBJECTS" << '\n';
std::vector<ResourceInfo> resources = {
{.key = "aseprite", .texture_file = "aseprite.gif", .text_file = "aseprite.txt"},
{.key = "gauntlet", .texture_file = "gauntlet.gif", .text_file = "gauntlet.txt"},
{.key = "smb2", .texture_file = "smb2.gif", .text_file = "smb2.txt"},
{.key = "subatomic", .texture_file = "subatomic.gif", .text_file = "subatomic.txt"},
{.key = "8bithud", .texture_file = "8bithud.gif", .text_file = "8bithud.txt"}};
for (const auto& res_info : resources) {
texts_.emplace_back(TextResource{.name = res_info.key, .text = std::make_shared<Text>(getSurface(res_info.texture_file), getTextFile(res_info.text_file))});
printWithDots("Text : ", res_info.key, "[ DONE ]");
}
}
// Vacía el vector de sonidos
void Cache::clearSounds() {
// Itera sobre el vector y libera los recursos asociados a cada JA_Sound_t
for (auto& sound : sounds_) {
if (sound.sound != nullptr) {
JA_DeleteSound(sound.sound);
sound.sound = nullptr;
}
}
sounds_.clear(); // Limpia el vector después de liberar todos los recursos
}
// Vacía el vector de musicas
void Cache::clearMusics() {
// Itera sobre el vector y libera los recursos asociados a cada JA_Music_t
for (auto& music : musics_) {
if (music.music != nullptr) {
JA_DeleteMusic(music.music);
music.music = nullptr;
}
}
musics_.clear(); // Limpia el vector después de liberar todos los recursos
}
// Calcula el numero de recursos para cargar
void Cache::calculateTotal() {
std::vector<List::Type> asset_types = {
List::Type::SOUND,
List::Type::MUSIC,
List::Type::BITMAP,
List::Type::PALETTE,
List::Type::FONT,
List::Type::ANIMATION,
List::Type::ROOM};
int total = 0;
for (const auto& asset_type : asset_types) {
auto list = List::get()->getListByType(asset_type);
total += list.size();
}
count_ = ResourceCount{.total = total, .loaded = 0};
}
// Muestra el progreso de carga
void Cache::renderProgress() {
constexpr float X_PADDING = 60.0F;
constexpr float Y_PADDING = 10.0F;
constexpr float BAR_HEIGHT = 5.0F;
const float BAR_POSITION = Options::game.height - BAR_HEIGHT - Y_PADDING;
Screen::get()->start();
Screen::get()->clearSurface(Color::index(Color::Cpc::BLACK));
auto surface = Screen::get()->getRendererSurface();
const auto LOADING_TEXT_COLOR = Color::index(Color::Cpc::ORANGE);
const auto BAR_COLOR = Color::index(Color::Cpc::PASTEL_BLUE);
const int TEXT_HEIGHT = loading_text_->getCharacterSize();
const int CENTER_X = Options::game.width / 2;
const int CENTER_Y = Options::game.height / 2;
// Draw APP_NAME centered above center
const std::string APP_NAME = spaceBetweenLetters(Project::LONG_NAME);
loading_text_->writeColored(
CENTER_X - (loading_text_->length(APP_NAME) / 2),
CENTER_Y - TEXT_HEIGHT,
APP_NAME,
LOADING_TEXT_COLOR);
// Draw VERSION centered below center
const std::string VERSION_TEXT = "ver. " + std::string(Project::VERSION) + " (" + std::string(Project::GIT_HASH) + ")";
loading_text_->writeColored(
CENTER_X - (loading_text_->length(VERSION_TEXT) / 2),
CENTER_Y + TEXT_HEIGHT,
VERSION_TEXT,
LOADING_TEXT_COLOR);
// Draw progress bar border
const float WIRED_BAR_WIDTH = Options::game.width - (X_PADDING * 2);
SDL_FRect rect_wired = {X_PADDING, BAR_POSITION, WIRED_BAR_WIDTH, BAR_HEIGHT};
surface->drawRectBorder(&rect_wired, BAR_COLOR);
// Draw progress bar fill
const float FULL_BAR_WIDTH = WIRED_BAR_WIDTH * count_.getPercentage();
SDL_FRect rect_full = {X_PADDING, BAR_POSITION, FULL_BAR_WIDTH, BAR_HEIGHT};
surface->fillRect(&rect_full, BAR_COLOR);
Screen::get()->render();
}
// Comprueba los eventos de la pantalla de carga
void Cache::checkEvents() {
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_EVENT_QUIT:
exit(0);
break;
case SDL_EVENT_KEY_DOWN:
if (event.key.key == SDLK_ESCAPE) {
exit(0);
}
break;
}
}
}
// Actualiza el progreso de carga
void Cache::updateLoadingProgress(int steps) {
count_.add(1);
if (count_.loaded % steps == 0 || count_.loaded == count_.total) {
renderProgress();
}
checkEvents();
}
} // namespace Resource

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#pragma once
#include <memory> // Para shared_ptr
#include <string> // Para string
#include <utility>
#include <vector> // Para vector
#include "core/resources/resource_types.hpp" // Para structs de recursos
namespace Resource {
class Cache {
public:
static void init(); // Inicialización singleton
static void destroy(); // Destrucción singleton
static auto get() -> Cache*; // Acceso al singleton
auto getSound(const std::string& name) -> JA_Sound_t*; // Getters de recursos
auto getMusic(const std::string& name) -> JA_Music_t*;
auto getSurface(const std::string& name) -> std::shared_ptr<Surface>;
auto getPalette(const std::string& name) -> Palette;
auto getTextFile(const std::string& name) -> std::shared_ptr<Text::File>;
auto getText(const std::string& name) -> std::shared_ptr<Text>;
auto getAnimationData(const std::string& name) -> const AnimationResource&;
auto getRoom(const std::string& name) -> std::shared_ptr<Room::Data>;
auto getRooms() -> std::vector<RoomResource>&;
void reload(); // Recarga todos los recursos
private:
// Estructura para llevar la cuenta de los recursos cargados
struct ResourceCount {
int total{0}; // Número total de recursos
int loaded{0}; // Número de recursos cargados
// Añade una cantidad a los recursos cargados
void add(int amount) {
loaded += amount;
}
// Obtiene el porcentaje de recursos cargados
[[nodiscard]] auto getPercentage() const -> float {
return static_cast<float>(loaded) / static_cast<float>(total);
}
};
// Métodos de carga de recursos
void loadSounds();
void loadMusics();
void loadSurfaces();
void loadPalettes();
void loadTextFiles();
void loadAnimations();
void loadRooms();
void createText();
// Métodos de limpieza
void clear();
void clearSounds();
void clearMusics();
// Métodos de gestión de carga
void load();
void calculateTotal();
void renderProgress();
static void checkEvents();
void updateLoadingProgress(int steps = 5);
// Helper para mensajes de error de carga
[[noreturn]] static void throwLoadError(const std::string& asset_type, const std::string& file_path, const std::exception& e);
// Constructor y destructor
Cache();
~Cache() = default;
// Singleton instance
static Cache* cache;
// Variables miembro
std::vector<SoundResource> sounds_; // Vector con los sonidos
std::vector<MusicResource> musics_; // Vector con las musicas
std::vector<SurfaceResource> surfaces_; // Vector con las surfaces
std::vector<ResourcePalette> palettes_; // Vector con las paletas
std::vector<TextFileResource> text_files_; // Vector con los ficheros de texto
std::vector<TextResource> texts_; // Vector con los objetos de texto
std::vector<AnimationResource> animations_; // Vector con las animaciones
std::vector<RoomResource> rooms_; // Vector con las habitaciones
ResourceCount count_{}; // Contador de recursos
std::shared_ptr<Text> loading_text_; // Texto para la pantalla de carga
};
} // namespace Resource

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// resource_helper.cpp
// Resource helper implementation
#include "resource_helper.hpp"
#include <algorithm>
#include <filesystem>
#include <fstream>
#include <iostream>
#include "resource_loader.hpp"
namespace Resource::Helper {
static bool resource_system_initialized = false;
// Initialize the resource system
auto initializeResourceSystem(const std::string& pack_file, bool enable_fallback)
-> bool {
if (resource_system_initialized) {
std::cout << "ResourceHelper: Already initialized\n";
return true;
}
std::cout << "ResourceHelper: Initializing with pack: " << pack_file << '\n';
std::cout << "ResourceHelper: Fallback enabled: " << (enable_fallback ? "Yes" : "No")
<< '\n';
bool success = Loader::get().initialize(pack_file, enable_fallback);
if (success) {
resource_system_initialized = true;
std::cout << "ResourceHelper: Initialization successful\n";
} else {
std::cerr << "ResourceHelper: Initialization failed\n";
}
return success;
}
// Shutdown the resource system
void shutdownResourceSystem() {
if (resource_system_initialized) {
Loader::get().shutdown();
resource_system_initialized = false;
std::cout << "ResourceHelper: Shutdown complete\n";
}
}
// Load a file
auto loadFile(const std::string& filepath) -> std::vector<uint8_t> {
if (!resource_system_initialized) {
std::cerr << "ResourceHelper: System not initialized, loading from filesystem\n";
// Fallback to direct filesystem access
std::ifstream file(filepath, std::ios::binary | std::ios::ate);
if (!file) {
return {};
}
std::streamsize file_size = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<uint8_t> data(file_size);
file.read(reinterpret_cast<char*>(data.data()), file_size);
return data;
}
// Determine if we should use the pack
if (shouldUseResourcePack(filepath)) {
// Convert to pack path
std::string pack_path = getPackPath(filepath);
// Try to load from pack
auto data = Loader::get().loadResource(pack_path);
if (!data.empty()) {
return data;
}
// If pack loading failed, try filesystem as fallback
std::cerr << "ResourceHelper: Pack failed for " << pack_path
<< ", trying filesystem\n";
}
// Load from filesystem
return Loader::get().loadResource(filepath);
}
// Check if a file exists
auto fileExists(const std::string& filepath) -> bool {
if (!resource_system_initialized) {
return std::filesystem::exists(filepath);
}
// Check pack if appropriate
if (shouldUseResourcePack(filepath)) {
std::string pack_path = getPackPath(filepath);
if (Loader::get().resourceExists(pack_path)) {
return true;
}
}
// Check filesystem
return std::filesystem::exists(filepath);
}
// Convert asset path to pack path
auto getPackPath(const std::string& asset_path) -> std::string {
std::string path = asset_path;
// Convert backslashes to forward slashes
std::ranges::replace(path, '\\', '/');
// If it's an absolute path containing "/data/", extract everything after "/data/"
// This handles paths like: /Users/sergio/.../data/palette/file.pal -> palette/file.pal
size_t data_pos = path.find("/data/");
if (data_pos != std::string::npos) {
return path.substr(data_pos + 6); // +6 to skip "/data/"
}
// Remove leading slashes
while (!path.empty() && path[0] == '/') {
path = path.substr(1);
}
// Remove "./" prefix if present
if (path.starts_with("./")) {
path = path.substr(2);
}
// Remove "../" prefixes (for macOS bundle paths in development)
while (path.starts_with("../")) {
path = path.substr(3);
}
// Remove "Resources/" prefix if present (for macOS bundle)
const std::string RESOURCES_PREFIX = "Resources/";
if (path.starts_with(RESOURCES_PREFIX)) {
path = path.substr(RESOURCES_PREFIX.length());
}
// Remove "data/" prefix if present
const std::string DATA_PREFIX = "data/";
if (path.starts_with(DATA_PREFIX)) {
path = path.substr(DATA_PREFIX.length());
}
return path;
}
// Check if file should use resource pack
auto shouldUseResourcePack(const std::string& filepath) -> bool {
std::string path = filepath;
std::ranges::replace(path, '\\', '/');
// Don't use pack for most config files (except config/assets.yaml which is loaded
// directly via Loader::loadAssetsConfig() in release builds)
if (path.find("config/") != std::string::npos) {
return false;
}
// Use pack for data files
if (path.find("data/") != std::string::npos) {
return true;
}
// Check if it looks like a data file (has common extensions)
if (path.find(".ogg") != std::string::npos || path.find(".wav") != std::string::npos ||
path.find(".gif") != std::string::npos || path.find(".png") != std::string::npos ||
path.find(".pal") != std::string::npos || path.find(".yaml") != std::string::npos ||
path.find(".txt") != std::string::npos || path.find(".glsl") != std::string::npos) {
return true;
}
return false;
}
// Check if pack is loaded
auto isPackLoaded() -> bool {
if (!resource_system_initialized) {
return false;
}
return Loader::get().isPackLoaded();
}
} // namespace Resource::Helper

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// resource_helper.hpp
// Helper functions for resource loading (bridge to pack system)
#pragma once
#include <cstdint>
#include <string>
#include <vector>
namespace Resource::Helper {
// Initialize the resource system
// pack_file: Path to resources.pack
// enable_fallback: Allow loading from filesystem if pack not available
auto initializeResourceSystem(const std::string& pack_file = "resources.pack",
bool enable_fallback = true) -> bool;
// Shutdown the resource system
void shutdownResourceSystem();
// Load a file (tries pack first, then filesystem if fallback enabled)
auto loadFile(const std::string& filepath) -> std::vector<uint8_t>;
// Check if a file exists
auto fileExists(const std::string& filepath) -> bool;
// Convert an asset path to a pack path
// Example: "data/music/title.ogg" -> "music/title.ogg"
auto getPackPath(const std::string& asset_path) -> std::string;
// Check if a file should use the resource pack
// Returns false for config/ files (always from filesystem)
auto shouldUseResourcePack(const std::string& filepath) -> bool;
// Check if pack is loaded
auto isPackLoaded() -> bool;
} // namespace Resource::Helper

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#include "core/resources/resource_list.hpp"
#include <SDL3/SDL.h> // Para SDL_LogWarn, SDL_LogCategory, SDL_LogError
#include <algorithm> // Para sort
#include <cstddef> // Para size_t
#include <exception> // Para exception
#include <filesystem> // Para exists, path
#include <fstream> // Para ifstream, istringstream
#include <iostream> // Para cout
#include <sstream> // Para istringstream
#include <stdexcept> // Para runtime_error
#include "external/fkyaml_node.hpp" // Para parsear YAML
#include "utils/utils.hpp" // Para getFileName, printWithDots
namespace Resource {
// Singleton
List* List::instance = nullptr;
void List::init(const std::string& executable_path) {
List::instance = new List(executable_path);
}
void List::destroy() {
delete List::instance;
}
auto List::get() -> List* {
return List::instance;
}
// Añade un elemento al mapa (función auxiliar)
void List::addToMap(const std::string& file_path, Type type, bool required, bool absolute) {
std::string full_path = absolute ? file_path : executable_path_ + file_path;
std::string filename = getFileName(full_path);
// Verificar si ya existe el archivo
if (file_list_.find(filename) != file_list_.end()) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Warning: Asset '%s' already exists, overwriting",
filename.c_str());
}
file_list_.emplace(filename, Item{std::move(full_path), type, required});
}
// Añade un elemento a la lista
void List::add(const std::string& file_path, Type type, bool required, bool absolute) {
addToMap(file_path, type, required, absolute);
}
// Carga recursos desde un archivo de configuración con soporte para variables
void List::loadFromFile(const std::string& config_file_path, const std::string& prefix, const std::string& system_folder) {
std::ifstream file(config_file_path);
if (!file.is_open()) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error: Cannot open config file: %s",
config_file_path.c_str());
return;
}
// Read entire file into string
std::stringstream buffer;
buffer << file.rdbuf();
file.close();
// Parse using loadFromString
loadFromString(buffer.str(), prefix, system_folder);
}
// Carga recursos desde un string de configuración (para release con pack)
void List::loadFromString(const std::string& config_content, const std::string& prefix, const std::string& system_folder) {
try {
// Parsear YAML
auto yaml = fkyaml::node::deserialize(config_content);
// Verificar estructura básica
if (!yaml.contains("assets")) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid assets.yaml format - missing 'assets' key");
return;
}
const auto& assets = yaml["assets"];
// Iterar sobre cada categoría (fonts, palettes, etc.)
for (auto it = assets.begin(); it != assets.end(); ++it) {
const std::string& category = it.key().get_value<std::string>();
const auto& category_assets = it.value();
// Verificar que es un array
if (!category_assets.is_sequence()) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Warning: Category '%s' is not a sequence, skipping",
category.c_str());
continue;
}
// Procesar cada asset en la categoría
for (const auto& asset : category_assets) {
try {
// Verificar campos obligatorios
if (!asset.contains("type") || !asset.contains("path")) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Warning: Asset in category '%s' missing 'type' or 'path', skipping",
category.c_str());
continue;
}
// Extraer campos
auto type_str = asset["type"].get_value<std::string>();
auto path = asset["path"].get_value<std::string>();
// Valores por defecto
bool required = true;
bool absolute = false;
// Campos opcionales
if (asset.contains("required")) {
required = asset["required"].get_value<bool>();
}
if (asset.contains("absolute")) {
absolute = asset["absolute"].get_value<bool>();
}
// Reemplazar variables en la ruta
path = replaceVariables(path, prefix, system_folder);
// Parsear el tipo de asset
Type type = parseAssetType(type_str);
// Añadir al mapa
addToMap(path, type, required, absolute);
} catch (const std::exception& e) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error parsing asset in category '%s': %s",
category.c_str(),
e.what());
}
}
}
std::cout << "Loaded " << file_list_.size() << " assets from YAML config" << '\n';
} catch (const fkyaml::exception& e) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"YAML parsing error: %s",
e.what());
} catch (const std::exception& e) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error loading assets: %s",
e.what());
}
}
// Devuelve la ruta completa a un fichero (búsqueda O(1))
auto List::get(const std::string& filename) const -> std::string {
auto it = file_list_.find(filename);
if (it != file_list_.end()) {
return it->second.file;
}
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Warning: file %s not found", filename.c_str());
return "";
}
// Carga datos del archivo
auto List::loadData(const std::string& filename) const -> std::vector<uint8_t> {
auto it = file_list_.find(filename);
if (it != file_list_.end()) {
std::ifstream file(it->second.file, std::ios::binary);
if (!file.is_open()) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Warning: Could not open file %s for data loading",
filename.c_str());
return {};
}
// Obtener tamaño del archivo
file.seekg(0, std::ios::end);
size_t size = file.tellg();
file.seekg(0, std::ios::beg);
// Leer datos
std::vector<uint8_t> data(size);
file.read(reinterpret_cast<char*>(data.data()), size);
file.close();
return data;
}
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Warning: file %s not found for data loading", filename.c_str());
return {};
}
// Verifica si un recurso existe
auto List::exists(const std::string& filename) const -> bool {
return file_list_.find(filename) != file_list_.end();
}
// Parsea string a Type
auto List::parseAssetType(const std::string& type_str) -> Type {
if (type_str == "DATA") {
return Type::DATA;
}
if (type_str == "BITMAP") {
return Type::BITMAP;
}
if (type_str == "ANIMATION") {
return Type::ANIMATION;
}
if (type_str == "MUSIC") {
return Type::MUSIC;
}
if (type_str == "SOUND") {
return Type::SOUND;
}
if (type_str == "FONT") {
return Type::FONT;
}
if (type_str == "ROOM") {
return Type::ROOM;
}
if (type_str == "TILEMAP") {
// TILEMAP está obsoleto, ahora todo es ROOM (.yaml unificado)
return Type::ROOM;
}
if (type_str == "PALETTE") {
return Type::PALETTE;
}
throw std::runtime_error("Unknown asset type: " + type_str);
}
// Devuelve el nombre del tipo de recurso
auto List::getTypeName(Type type) -> std::string {
switch (type) {
case Type::DATA:
return "DATA";
case Type::BITMAP:
return "BITMAP";
case Type::ANIMATION:
return "ANIMATION";
case Type::MUSIC:
return "MUSIC";
case Type::SOUND:
return "SOUND";
case Type::FONT:
return "FONT";
case Type::ROOM:
return "ROOM";
case Type::PALETTE:
return "PALETTE";
default:
return "ERROR";
}
}
// Devuelve la lista de recursos de un tipo
auto List::getListByType(Type type) const -> std::vector<std::string> {
std::vector<std::string> list;
for (const auto& [filename, item] : file_list_) {
if (item.type == type) {
list.push_back(item.file);
}
}
// Ordenar alfabéticamente para garantizar orden consistente
std::ranges::sort(list);
return list;
}
// Reemplaza variables en las rutas
auto List::replaceVariables(const std::string& path, const std::string& prefix, const std::string& system_folder) -> std::string {
std::string result = path;
// Reemplazar ${PREFIX}
size_t pos = 0;
while ((pos = result.find("${PREFIX}", pos)) != std::string::npos) {
result.replace(pos, 9, prefix); // 9 = longitud de "${PREFIX}"
pos += prefix.length();
}
// Reemplazar ${SYSTEM_FOLDER}
pos = 0;
while ((pos = result.find("${SYSTEM_FOLDER}", pos)) != std::string::npos) {
result.replace(pos, 16, system_folder); // 16 = longitud de "${SYSTEM_FOLDER}"
pos += system_folder.length();
}
return result;
}
// Parsea las opciones de una línea de configuración
auto List::parseOptions(const std::string& options, bool& required, bool& absolute) -> void {
if (options.empty()) {
return;
}
std::istringstream iss(options);
std::string option;
while (std::getline(iss, option, ',')) {
// Eliminar espacios
option.erase(0, option.find_first_not_of(" \t"));
option.erase(option.find_last_not_of(" \t") + 1);
if (option == "optional") {
required = false;
} else if (option == "absolute") {
absolute = true;
}
}
}
} // namespace Resource

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#pragma once
#include <cstdint> // Para uint8_t
#include <string> // Para string
#include <unordered_map> // Para unordered_map
#include <utility> // Para move
#include <vector> // Para vector
namespace Resource {
// --- Clase List: gestor optimizado de recursos (singleton) ---
class List {
public:
// --- Enums ---
enum class Type : int {
DATA, // Datos
BITMAP, // Imágenes
ANIMATION, // Animaciones
MUSIC, // Música
SOUND, // Sonidos
FONT, // Fuentes
ROOM, // Datos de habitación (.yaml - formato unificado con tilemap)
PALETTE, // Paletas
SIZE, // Tamaño (para iteración)
};
// --- Métodos de singleton ---
static void init(const std::string& executable_path);
static void destroy();
static auto get() -> List*;
List(const List&) = delete;
auto operator=(const List&) -> List& = delete;
// --- Métodos para la gestión de recursos ---
void add(const std::string& file_path, Type type, bool required = true, bool absolute = false);
void loadFromFile(const std::string& config_file_path, const std::string& prefix = "", const std::string& system_folder = ""); // Con soporte para variables
void loadFromString(const std::string& config_content, const std::string& prefix = "", const std::string& system_folder = ""); // Para cargar desde pack (release)
[[nodiscard]] auto get(const std::string& filename) const -> std::string; // Obtiene la ruta completa
[[nodiscard]] auto loadData(const std::string& filename) const -> std::vector<uint8_t>; // Carga datos del archivo
[[nodiscard]] auto getListByType(Type type) const -> std::vector<std::string>;
[[nodiscard]] auto exists(const std::string& filename) const -> bool; // Verifica si un asset existe
private:
// --- Estructuras privadas ---
struct Item {
std::string file; // Ruta completa del archivo
Type type; // Tipo de recurso
bool required; // Indica si el archivo es obligatorio
Item(std::string path, Type asset_type, bool is_required)
: file(std::move(path)),
type(asset_type),
required(is_required) {}
};
// --- Variables internas ---
std::unordered_map<std::string, Item> file_list_; // Mapa para búsqueda O(1)
std::string executable_path_; // Ruta del ejecutable
// --- Métodos internos ---
[[nodiscard]] static auto getTypeName(Type type) -> std::string; // Obtiene el nombre del tipo
[[nodiscard]] static auto parseAssetType(const std::string& type_str) -> Type; // Convierte string a tipo
void addToMap(const std::string& file_path, Type type, bool required, bool absolute); // Añade archivo al mapa
[[nodiscard]] static auto replaceVariables(const std::string& path, const std::string& prefix, const std::string& system_folder) -> std::string; // Reemplaza variables en la ruta
static auto parseOptions(const std::string& options, bool& required, bool& absolute) -> void; // Parsea opciones
// --- Constructores y destructor privados (singleton) ---
explicit List(std::string executable_path) // Constructor privado
: executable_path_(std::move(executable_path)) {}
~List() = default; // Destructor privado
// --- Instancia singleton ---
static List* instance; // Instancia única de List
};
} // namespace Resource

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// resource_loader.cpp
// Resource loader implementation
#include "resource_loader.hpp"
#include <filesystem>
#include <fstream>
#include <iostream>
namespace Resource {
// Get singleton instance
auto Loader::get() -> Loader& {
static Loader instance_;
return instance_;
}
// Initialize with a pack file
auto Loader::initialize(const std::string& pack_file, bool enable_fallback)
-> bool {
if (initialized_) {
std::cout << "Loader: Already initialized\n";
return true;
}
fallback_to_files_ = enable_fallback;
// Try to load the pack file
if (!pack_file.empty() && fileExistsOnFilesystem(pack_file)) {
std::cout << "Loader: Loading pack file: " << pack_file << '\n';
resource_pack_ = std::make_unique<Pack>();
if (resource_pack_->loadPack(pack_file)) {
std::cout << "Loader: Pack loaded successfully\n";
initialized_ = true;
return true;
}
std::cerr << "Loader: Failed to load pack file\n";
resource_pack_.reset();
} else {
std::cout << "Loader: Pack file not found: " << pack_file << '\n';
}
// If pack loading failed and fallback is disabled, fail
if (!fallback_to_files_) {
std::cerr << "Loader: Pack required but not found (fallback disabled)\n";
return false;
}
// Otherwise, fallback to filesystem
std::cout << "Loader: Using filesystem fallback\n";
initialized_ = true;
return true;
}
// Load a resource
auto Loader::loadResource(const std::string& filename) -> std::vector<uint8_t> {
if (!initialized_) {
std::cerr << "Loader: Not initialized\n";
return {};
}
// Try pack first if available
if (resource_pack_ && resource_pack_->isLoaded()) {
if (resource_pack_->hasResource(filename)) {
auto data = resource_pack_->getResource(filename);
if (!data.empty()) {
return data;
}
std::cerr << "Loader: Failed to extract from pack: " << filename
<< '\n';
}
}
// Fallback to filesystem if enabled
if (fallback_to_files_) {
return loadFromFilesystem(filename);
}
std::cerr << "Loader: Resource not found: " << filename << '\n';
return {};
}
// Check if a resource exists
auto Loader::resourceExists(const std::string& filename) -> bool {
if (!initialized_) {
return false;
}
// Check pack first
if (resource_pack_ && resource_pack_->isLoaded()) {
if (resource_pack_->hasResource(filename)) {
return true;
}
}
// Check filesystem if fallback enabled
if (fallback_to_files_) {
return fileExistsOnFilesystem(filename);
}
return false;
}
// Check if pack is loaded
auto Loader::isPackLoaded() const -> bool {
return resource_pack_ && resource_pack_->isLoaded();
}
// Get pack statistics
auto Loader::getPackResourceCount() const -> size_t {
if (resource_pack_ && resource_pack_->isLoaded()) {
return resource_pack_->getResourceCount();
}
return 0;
}
// Cleanup
void Loader::shutdown() {
resource_pack_.reset();
initialized_ = false;
std::cout << "Loader: Shutdown complete\n";
}
// Load from filesystem
auto Loader::loadFromFilesystem(const std::string& filepath)
-> std::vector<uint8_t> {
std::ifstream file(filepath, std::ios::binary | std::ios::ate);
if (!file) {
return {};
}
std::streamsize file_size = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<uint8_t> data(file_size);
if (!file.read(reinterpret_cast<char*>(data.data()), file_size)) {
std::cerr << "Loader: Failed to read file: " << filepath << '\n';
return {};
}
return data;
}
// Check if file exists on filesystem
auto Loader::fileExistsOnFilesystem(const std::string& filepath) -> bool {
return std::filesystem::exists(filepath);
}
// Validate pack integrity
auto Loader::validatePack() const -> bool {
if (!initialized_ || !resource_pack_ || !resource_pack_->isLoaded()) {
std::cerr << "Loader: Cannot validate - pack not loaded\n";
return false;
}
// Calculate pack checksum
uint32_t checksum = resource_pack_->calculatePackChecksum();
if (checksum == 0) {
std::cerr << "Loader: Pack checksum is zero (invalid)\n";
return false;
}
std::cout << "Loader: Pack checksum: 0x" << std::hex << checksum << std::dec
<< '\n';
std::cout << "Loader: Pack validation successful\n";
return true;
}
// Load assets.yaml from pack
auto Loader::loadAssetsConfig() const -> std::string {
if (!initialized_ || !resource_pack_ || !resource_pack_->isLoaded()) {
std::cerr << "Loader: Cannot load assets config - pack not loaded\n";
return "";
}
// Try to load config/assets.yaml from pack
std::string config_path = "config/assets.yaml";
if (!resource_pack_->hasResource(config_path)) {
std::cerr << "Loader: assets.yaml not found in pack: " << config_path << '\n';
return "";
}
auto data = resource_pack_->getResource(config_path);
if (data.empty()) {
std::cerr << "Loader: Failed to load assets.yaml from pack\n";
return "";
}
// Convert bytes to string
std::string config_content(data.begin(), data.end());
std::cout << "Loader: Loaded assets.yaml from pack (" << data.size()
<< " bytes)\n";
return config_content;
}
} // namespace Resource

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// resource_loader.hpp
// Singleton resource loader for managing pack and filesystem access
#pragma once
#include <memory>
#include <string>
#include <vector>
#include "resource_pack.hpp"
namespace Resource {
// Singleton class for loading resources from pack or filesystem
class Loader {
public:
static auto get() -> Loader&; // Singleton instance access
auto initialize(const std::string& pack_file, bool enable_fallback = true) -> bool; // Initialize loader with pack file
auto loadResource(const std::string& filename) -> std::vector<uint8_t>; // Load resource data
auto resourceExists(const std::string& filename) -> bool; // Check resource availability
[[nodiscard]] auto isPackLoaded() const -> bool; // Pack status queries
[[nodiscard]] auto getPackResourceCount() const -> size_t;
[[nodiscard]] auto validatePack() const -> bool; // Validate pack integrity
[[nodiscard]] auto loadAssetsConfig() const -> std::string; // Load assets.yaml from pack
void shutdown(); // Cleanup
Loader(const Loader&) = delete; // Deleted copy/move constructors
auto operator=(const Loader&) -> Loader& = delete;
Loader(Loader&&) = delete;
auto operator=(Loader&&) -> Loader& = delete;
private:
Loader() = default;
~Loader() = default;
static auto loadFromFilesystem(const std::string& filepath) -> std::vector<uint8_t>; // Filesystem helpers
static auto fileExistsOnFilesystem(const std::string& filepath) -> bool;
std::unique_ptr<Pack> resource_pack_; // Member variables
bool fallback_to_files_{true};
bool initialized_{false};
};
} // namespace Resource

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// resource_pack.cpp
// Resource pack implementation for JailDoctor's Dilemma
#include "resource_pack.hpp"
#include <SDL3/SDL_filesystem.h>
#include <algorithm>
#include <filesystem>
#include <fstream>
#include <iostream>
namespace Resource {
// Calculate CRC32 checksum for data verification
auto Pack::calculateChecksum(const std::vector<uint8_t>& data) -> uint32_t {
uint32_t checksum = 0x12345678;
for (unsigned char byte : data) {
checksum = ((checksum << 5) + checksum) + byte;
}
return checksum;
}
// XOR encryption (symmetric - same function for encrypt/decrypt)
void Pack::encryptData(std::vector<uint8_t>& data, const std::string& key) {
if (key.empty()) {
return;
}
for (size_t i = 0; i < data.size(); ++i) {
data[i] ^= key[i % key.length()];
}
}
void Pack::decryptData(std::vector<uint8_t>& data, const std::string& key) {
// XOR is symmetric
encryptData(data, key);
}
// Read entire file into memory
auto Pack::readFile(const std::string& filepath) -> std::vector<uint8_t> {
std::ifstream file(filepath, std::ios::binary | std::ios::ate);
if (!file) {
std::cerr << "ResourcePack: Failed to open file: " << filepath << '\n';
return {};
}
std::streamsize file_size = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<uint8_t> data(file_size);
if (!file.read(reinterpret_cast<char*>(data.data()), file_size)) {
std::cerr << "ResourcePack: Failed to read file: " << filepath << '\n';
return {};
}
return data;
}
// Add a single file to the pack
auto Pack::addFile(const std::string& filepath, const std::string& pack_name)
-> bool {
auto file_data = readFile(filepath);
if (file_data.empty()) {
return false;
}
ResourceEntry entry{
.filename = pack_name,
.offset = data_.size(),
.size = file_data.size(),
.checksum = calculateChecksum(file_data)};
// Append file data to the data block
data_.insert(data_.end(), file_data.begin(), file_data.end());
resources_[pack_name] = entry;
std::cout << "Added: " << pack_name << " (" << file_data.size() << " bytes)\n";
return true;
}
// Add all files from a directory recursively
auto Pack::addDirectory(const std::string& dir_path,
const std::string& base_path) -> bool {
namespace fs = std::filesystem;
if (!fs::exists(dir_path) || !fs::is_directory(dir_path)) {
std::cerr << "ResourcePack: Directory not found: " << dir_path << '\n';
return false;
}
std::string current_base = base_path.empty() ? "" : base_path + "/";
for (const auto& entry : fs::recursive_directory_iterator(dir_path)) {
if (!entry.is_regular_file()) {
continue;
}
std::string full_path = entry.path().string();
std::string relative_path = entry.path().lexically_relative(dir_path).string();
// Convert backslashes to forward slashes (Windows compatibility)
std::ranges::replace(relative_path, '\\', '/');
// Skip development files
if (relative_path.find(".world") != std::string::npos ||
relative_path.find(".tsx") != std::string::npos) {
std::cout << "Skipping development file: " << relative_path << '\n';
continue;
}
std::string pack_name = current_base + relative_path;
addFile(full_path, pack_name);
}
return true;
}
// Save the pack to a file
auto Pack::savePack(const std::string& pack_file) -> bool {
std::ofstream file(pack_file, std::ios::binary);
if (!file) {
std::cerr << "ResourcePack: Failed to create pack file: " << pack_file << '\n';
return false;
}
// Write header
file.write(MAGIC_HEADER.data(), MAGIC_HEADER.size());
file.write(reinterpret_cast<const char*>(&VERSION), sizeof(VERSION));
// Write resource count
auto resource_count = static_cast<uint32_t>(resources_.size());
file.write(reinterpret_cast<const char*>(&resource_count), sizeof(resource_count));
// Write resource entries
for (const auto& [name, entry] : resources_) {
// Write filename length and name
auto name_len = static_cast<uint32_t>(entry.filename.length());
file.write(reinterpret_cast<const char*>(&name_len), sizeof(name_len));
file.write(entry.filename.c_str(), name_len);
// Write offset, size, checksum
file.write(reinterpret_cast<const char*>(&entry.offset), sizeof(entry.offset));
file.write(reinterpret_cast<const char*>(&entry.size), sizeof(entry.size));
file.write(reinterpret_cast<const char*>(&entry.checksum), sizeof(entry.checksum));
}
// Encrypt data
std::vector<uint8_t> encrypted_data = data_;
encryptData(encrypted_data, DEFAULT_ENCRYPT_KEY);
// Write encrypted data size and data
uint64_t data_size = encrypted_data.size();
file.write(reinterpret_cast<const char*>(&data_size), sizeof(data_size));
file.write(reinterpret_cast<const char*>(encrypted_data.data()), data_size);
std::cout << "\nPack saved successfully: " << pack_file << '\n';
std::cout << "Resources: " << resource_count << '\n';
std::cout << "Total size: " << data_size << " bytes\n";
return true;
}
// Load a pack from a file
auto Pack::loadPack(const std::string& pack_file) -> bool {
std::ifstream file(pack_file, std::ios::binary);
if (!file) {
std::cerr << "ResourcePack: Failed to open pack file: " << pack_file << '\n';
return false;
}
// Read and verify header
std::array<char, 4> header{};
file.read(header.data(), header.size());
if (header != MAGIC_HEADER) {
std::cerr << "ResourcePack: Invalid pack header\n";
return false;
}
// Read and verify version
uint32_t version = 0;
file.read(reinterpret_cast<char*>(&version), sizeof(version));
if (version != VERSION) {
std::cerr << "ResourcePack: Unsupported pack version: " << version << '\n';
return false;
}
// Read resource count
uint32_t resource_count = 0;
file.read(reinterpret_cast<char*>(&resource_count), sizeof(resource_count));
// Read resource entries
resources_.clear();
for (uint32_t i = 0; i < resource_count; ++i) {
// Read filename
uint32_t name_len = 0;
file.read(reinterpret_cast<char*>(&name_len), sizeof(name_len));
std::string filename(name_len, '\0');
file.read(filename.data(), name_len);
// Read entry data
ResourceEntry entry{};
entry.filename = filename;
file.read(reinterpret_cast<char*>(&entry.offset), sizeof(entry.offset));
file.read(reinterpret_cast<char*>(&entry.size), sizeof(entry.size));
file.read(reinterpret_cast<char*>(&entry.checksum), sizeof(entry.checksum));
resources_[filename] = entry;
}
// Read encrypted data
uint64_t data_size = 0;
file.read(reinterpret_cast<char*>(&data_size), sizeof(data_size));
data_.resize(data_size);
file.read(reinterpret_cast<char*>(data_.data()), data_size);
// Decrypt data
decryptData(data_, DEFAULT_ENCRYPT_KEY);
loaded_ = true;
std::cout << "ResourcePack loaded: " << pack_file << '\n';
std::cout << "Resources: " << resource_count << '\n';
std::cout << "Data size: " << data_size << " bytes\n";
return true;
}
// Get a resource by name
auto Pack::getResource(const std::string& filename) -> std::vector<uint8_t> {
auto it = resources_.find(filename);
if (it == resources_.end()) {
return {};
}
const ResourceEntry& entry = it->second;
// Extract data slice
if (entry.offset + entry.size > data_.size()) {
std::cerr << "ResourcePack: Invalid offset/size for: " << filename << '\n';
return {};
}
std::vector<uint8_t> result(data_.begin() + entry.offset,
data_.begin() + entry.offset + entry.size);
// Verify checksum
uint32_t checksum = calculateChecksum(result);
if (checksum != entry.checksum) {
std::cerr << "ResourcePack: Checksum mismatch for: " << filename << '\n';
std::cerr << " Expected: 0x" << std::hex << entry.checksum << '\n';
std::cerr << " Got: 0x" << std::hex << checksum << std::dec << '\n';
}
return result;
}
// Check if a resource exists
auto Pack::hasResource(const std::string& filename) const -> bool {
return resources_.find(filename) != resources_.end();
}
// Get list of all resources
auto Pack::getResourceList() const -> std::vector<std::string> {
std::vector<std::string> list;
list.reserve(resources_.size());
for (const auto& [name, entry] : resources_) {
list.push_back(name);
}
std::ranges::sort(list);
return list;
}
// Calculate overall pack checksum for validation
auto Pack::calculatePackChecksum() const -> uint32_t {
if (!loaded_ || data_.empty()) {
return 0;
}
// Combine checksums of all resources for a global checksum
uint32_t global_checksum = 0x87654321;
// Sort resources by name for deterministic checksum
std::vector<std::string> sorted_names;
sorted_names.reserve(resources_.size());
for (const auto& [name, entry] : resources_) {
sorted_names.push_back(name);
}
std::ranges::sort(sorted_names);
// Combine individual checksums
for (const auto& name : sorted_names) {
const auto& entry = resources_.at(name);
global_checksum = ((global_checksum << 5) + global_checksum) + entry.checksum;
global_checksum = ((global_checksum << 5) + global_checksum) + entry.size;
}
return global_checksum;
}
} // namespace Resource

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// resource_pack.hpp
// Resource pack file format and management for JailDoctor's Dilemma
#pragma once
#include <array>
#include <cstdint>
#include <string>
#include <unordered_map>
#include <vector>
namespace Resource {
// Entry metadata for each resource in the pack
struct ResourceEntry {
std::string filename; // Relative path within pack
uint64_t offset{0}; // Byte offset in data block
uint64_t size{0}; // Size in bytes
uint32_t checksum{0}; // CRC32 checksum for verification
};
// Resource pack file format
// Header: "JDDI" (4 bytes) + Version (4 bytes)
// Metadata: Count + array of ResourceEntry
// Data: Encrypted data block
class Pack {
public:
Pack() = default;
~Pack() = default;
Pack(const Pack&) = delete; // Deleted copy/move constructors
auto operator=(const Pack&) -> Pack& = delete;
Pack(Pack&&) = delete;
auto operator=(Pack&&) -> Pack& = delete;
auto addFile(const std::string& filepath, const std::string& pack_name) -> bool; // Building packs
auto addDirectory(const std::string& dir_path, const std::string& base_path = "") -> bool;
auto savePack(const std::string& pack_file) -> bool; // Pack I/O
auto loadPack(const std::string& pack_file) -> bool;
auto getResource(const std::string& filename) -> std::vector<uint8_t>; // Resource access
auto hasResource(const std::string& filename) const -> bool;
auto getResourceList() const -> std::vector<std::string>;
auto isLoaded() const -> bool { return loaded_; } // Status queries
auto getResourceCount() const -> size_t { return resources_.size(); }
auto getDataSize() const -> size_t { return data_.size(); }
auto calculatePackChecksum() const -> uint32_t; // Validation
private:
static constexpr std::array<char, 4> MAGIC_HEADER = {'J', 'D', 'D', 'I'}; // Pack format constants
static constexpr uint32_t VERSION = 1;
static constexpr const char* DEFAULT_ENCRYPT_KEY = "JDDI_RESOURCES_2024";
static auto calculateChecksum(const std::vector<uint8_t>& data) -> uint32_t; // Utility methods
static void encryptData(std::vector<uint8_t>& data, const std::string& key); // Encryption/decryption
static void decryptData(std::vector<uint8_t>& data, const std::string& key);
static auto readFile(const std::string& filepath) -> std::vector<uint8_t>; // File I/O
std::unordered_map<std::string, ResourceEntry> resources_; // Member variables
std::vector<uint8_t> data_; // Encrypted data block
bool loaded_{false};
};
} // namespace Resource

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#pragma once
#include <cstdint> // Para uint8_t
#include <memory> // Para shared_ptr
#include <string> // Para string
#include <vector> // Para vector
#include "core/rendering/surface.hpp" // Para Palette y Surface
#include "core/rendering/text.hpp" // Para Text y Text::File
#include "game/gameplay/room.hpp" // Para Room::Data
// Forward declarations
struct JA_Music_t;
struct JA_Sound_t;
// Estructura para almacenar ficheros de sonido y su nombre
struct SoundResource {
std::string name; // Nombre del sonido
JA_Sound_t* sound{nullptr}; // Objeto con el sonido
};
// Estructura para almacenar ficheros musicales y su nombre
struct MusicResource {
std::string name; // Nombre de la musica
JA_Music_t* music{nullptr}; // Objeto con la música
};
// Estructura para almacenar objetos Surface y su nombre
struct SurfaceResource {
std::string name; // Nombre de la surface
std::shared_ptr<Surface> surface; // Objeto con la surface
};
// Estructura para almacenar objetos Palette y su nombre
struct ResourcePalette {
std::string name; // Nombre de la surface
Palette palette{}; // Paleta
};
// Estructura para almacenar ficheros TextFile y su nombre
struct TextFileResource {
std::string name; // Nombre del fichero
std::shared_ptr<Text::File> text_file; // Objeto con los descriptores de la fuente de texto
};
// Estructura para almacenar objetos Text y su nombre
struct TextResource {
std::string name; // Nombre del objeto
std::shared_ptr<Text> text; // Objeto
};
// Estructura para almacenar ficheros animaciones y su nombre
struct AnimationResource {
std::string name; // Nombre del fichero
std::vector<uint8_t> yaml_data; // Bytes del archivo YAML sin parsear
};
// Estructura para almacenar habitaciones y su nombre
struct RoomResource {
std::string name; // Nombre de la habitación
std::shared_ptr<Room::Data> room; // Habitación
};

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#include "core/system/debug.hpp"
#ifdef _DEBUG
#include <algorithm> // Para max
#include <memory> // Para __shared_ptr_access, shared_ptr
#include "core/rendering/text.hpp" // Para Text
#include "core/resources/resource_cache.hpp" // Para Resource
#include "utils/defines.hpp" // Para PlayArea
#include "utils/color.hpp" // Para Color
// [SINGLETON]
Debug* Debug::debug = nullptr;
// [SINGLETON] Crearemos el objeto con esta función estática
void Debug::init() {
Debug::debug = new Debug();
}
// [SINGLETON] Destruiremos el objeto con esta función estática
void Debug::destroy() {
delete Debug::debug;
}
// [SINGLETON] Con este método obtenemos el objeto y podemos trabajar con él
auto Debug::get() -> Debug* {
return Debug::debug;
}
// Dibuja en pantalla
void Debug::render() {
auto text = Resource::Cache::get()->getText("aseprite");
int y = y_;
int w = 0;
for (const auto& s : slot_) {
text->write(x_, y, s);
w = (std::max(w, (int)s.length()));
y += text->getCharacterSize() + 1;
if (y > PlayArea::HEIGHT - text->getCharacterSize()) {
y = y_;
x_ += w * text->getCharacterSize() + 2;
}
}
y = 0;
for (const auto& l : log_) {
text->writeColored(x_ + 10, y, l, Color::index(Color::Cpc::WHITE));
y += text->getCharacterSize() + 1;
}
}
// Establece la posición donde se colocará la información de debug
void Debug::setPos(SDL_FPoint p) {
x_ = p.x;
y_ = p.y;
}
#endif // _DEBUG

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#pragma once
#ifdef _DEBUG
#include <SDL3/SDL.h>
#include <string> // Para string
#include <vector> // Para vector
// Clase Debug
class Debug {
public:
static void init(); // [SINGLETON] Crearemos el objeto con esta función estática
static void destroy(); // [SINGLETON] Destruiremos el objeto con esta función estática
static auto get() -> Debug*; // [SINGLETON] Con este método obtenemos el objeto y podemos trabajar con él
void render(); // Dibuja en pantalla
void setPos(SDL_FPoint p); // Establece la posición donde se colocará la información de debug
[[nodiscard]] auto isEnabled() const -> bool { return enabled_; } // Obtiene si el debug está activo
void add(const std::string& text) { slot_.push_back(text); } // Añade texto al slot de debug
void clear() { slot_.clear(); } // Limpia el slot de debug
void addToLog(const std::string& text) { log_.push_back(text); } // Añade texto al log
void clearLog() { log_.clear(); } // Limpia el log
void setEnabled(bool value) { enabled_ = value; } // Establece si el debug está activo
void toggleEnabled() { enabled_ = !enabled_; } // Alterna el estado del debug
private:
static Debug* debug; // [SINGLETON] Objeto privado
Debug() = default; // Constructor
~Debug() = default; // Destructor
// Variables
std::vector<std::string> slot_; // Vector con los textos a escribir
std::vector<std::string> log_; // Vector con los textos a escribir
int x_ = 0; // Posicion donde escribir el texto de debug
int y_ = 0; // Posición donde escribir el texto de debug
bool enabled_ = false; // Indica si esta activo el modo debug
};
#endif // _DEBUG

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#include "core/system/director.hpp"
#include <SDL3/SDL.h>
#include <sys/stat.h> // Para mkdir, stat, S_IRWXU
#include <unistd.h> // Para getuid
#include <cerrno> // Para errno, EEXIST, EACCES, ENAMETOO...
#include <cstdio> // Para printf, perror
#include <cstdlib> // Para exit, EXIT_FAILURE, srand
#include <iostream> // Para basic_ostream, operator<<, cout
#include <memory> // Para make_unique, unique_ptr
#include <string> // Para operator+, allocator, char_traits
#include "core/audio/audio.hpp" // Para Audio
#include "core/input/input.hpp" // Para Input, InputAction
#include "core/rendering/screen.hpp" // Para Screen
#include "core/resources/resource_cache.hpp" // Para Resource
#include "core/resources/resource_helper.hpp" // Para ResourceHelper
#include "core/resources/resource_list.hpp" // Para Asset, AssetType
#include "core/resources/resource_loader.hpp" // Para ResourceLoader
#include "game/options.hpp" // Para Options, options, OptionsVideo
#include "game/scene_manager.hpp" // Para SceneManager
#include "game/scenes/game.hpp" // Para Game, GameMode
#include "game/scenes/logo.hpp" // Para Logo
#include "game/scenes/title.hpp" // Para Title
#include "game/ui/notifier.hpp" // Para Notifier
#include "project.h"
#include "utils/defines.hpp" // Para WINDOW_CAPTION
#ifdef _DEBUG
#include "core/system/debug.hpp" // Para Debug
#endif
#ifndef _WIN32
#include <pwd.h>
#endif
// Constructor
Director::Director(std::vector<std::string> const& args) {
std::cout << "Game start" << '\n';
// Crea e inicializa las opciones del programa
Options::init();
// Comprueba los parametros del programa
executable_path_ = getPath(checkProgramArguments(args));
// Crea la carpeta del sistema donde guardar datos
createSystemFolder("jailgames");
createSystemFolder(std::string("jailgames/") + Project::NAME);
// Determinar el prefijo de ruta según la plataforma
#ifdef MACOS_BUNDLE
const std::string PREFIX = "/../Resources";
#else
const std::string PREFIX;
#endif
// Preparar ruta al pack (en macOS bundle está en Contents/Resources/)
std::string pack_path = executable_path_ + PREFIX + "/resources.pack";
#ifdef RELEASE_BUILD
// ============================================================
// RELEASE BUILD: Pack-first architecture
// ============================================================
std::cout << "\n** RELEASE MODE: Pack-first initialization\n";
// 1. Initialize resource pack system (required, no fallback)
std::cout << "Initializing resource pack: " << pack_path << '\n';
if (!Resource::Helper::initializeResourceSystem(pack_path, false)) {
std::cerr << "ERROR: Failed to load resources.pack (required in release builds)\n";
exit(EXIT_FAILURE);
}
// 2. Validate pack integrity
std::cout << "Validating pack integrity..." << '\n';
if (!Resource::Loader::get().validatePack()) {
std::cerr << "ERROR: Pack validation failed\n";
exit(EXIT_FAILURE);
}
// 3. Load assets.yaml from pack
std::cout << "Loading assets configuration from pack..." << '\n';
std::string assets_config = Resource::Loader::get().loadAssetsConfig();
if (assets_config.empty()) {
std::cerr << "ERROR: Failed to load assets.yaml from pack\n";
exit(EXIT_FAILURE);
}
// 4. Initialize Asset system with config from pack
// NOTE: In release, don't use executable_path or PREFIX - paths in pack are relative
// Pass empty string to avoid issues when running from different directories
Resource::List::init(""); // Empty executable_path in release
Resource::List::get()->loadFromString(assets_config, "", system_folder_); // Empty PREFIX for pack
std::cout << "Asset system initialized from pack\n";
#else
// ============================================================
// DEVELOPMENT BUILD: Filesystem-first architecture
// ============================================================
std::cout << "\n** DEVELOPMENT MODE: Filesystem-first initialization\n";
// 1. Initialize Asset system from filesystem
Resource::List::init(executable_path_);
// 2. Load asset configuration from disk
// Note: Asset verification happens during Resource::Cache::load()
setFileList();
// 3. Initialize resource pack system (optional, with fallback)
std::cout << "Initializing resource pack (development mode): " << pack_path << '\n';
Resource::Helper::initializeResourceSystem(pack_path, true);
#endif
// Configura la ruta y carga las opciones desde un fichero
Options::setConfigFile(Resource::List::get()->get("config.yaml"));
Options::loadFromFile();
// Inicializa JailAudio
Audio::init();
// Crea los objetos
Screen::init();
// Initialize resources (works for both release and development)
Resource::Cache::init();
Notifier::init("", "8bithud");
Screen::get()->setNotificationsEnabled(true);
// Special handling for gamecontrollerdb.txt - SDL needs filesystem path
#ifdef RELEASE_BUILD
// In release, construct the path manually (not from Asset which has empty executable_path)
std::string gamecontroller_db = executable_path_ + PREFIX + "/gamecontrollerdb.txt";
Input::init(gamecontroller_db);
#else
// In development, use Asset as normal
Input::init(Resource::List::get()->get("gamecontrollerdb.txt")); // Carga configuración de controles
#endif
// Aplica las teclas y botones del gamepad configurados desde Options
Input::get()->applyKeyboardBindingsFromOptions();
Input::get()->applyGamepadBindingsFromOptions();
#ifdef _DEBUG
Debug::init();
#endif
std::cout << "\n"; // Fin de inicialización de sistemas
}
Director::~Director() {
// Guarda las opciones a un fichero
Options::saveToFile();
// Destruye los singletones
#ifdef _DEBUG
Debug::destroy();
#endif
Input::destroy();
Notifier::destroy();
Resource::Cache::destroy();
Resource::Helper::shutdownResourceSystem(); // Shutdown resource pack system
Audio::destroy();
Screen::destroy();
Resource::List::destroy();
SDL_Quit();
std::cout << "\nBye!" << '\n';
}
// Comprueba los parametros del programa
auto Director::checkProgramArguments(std::vector<std::string> const& args) -> std::string {
// Iterar sobre los argumentos del programa (saltando args[0] que es el ejecutable)
for (std::size_t i = 1; i < args.size(); ++i) {
const std::string& argument = args[i];
if (argument == "--console") {
Options::console = true;
} else if (argument == "--infiniteLives") {
Options::cheats.infinite_lives = Options::Cheat::State::ENABLED;
} else if (argument == "--invincible") {
Options::cheats.invincible = Options::Cheat::State::ENABLED;
} else if (argument == "--jailEnabled") {
Options::cheats.jail_is_open = Options::Cheat::State::ENABLED;
} else if (argument == "--altSkin") {
Options::cheats.alternate_skin = Options::Cheat::State::ENABLED;
}
}
return args[0];
}
// Crea la carpeta del sistema donde guardar datos
void Director::createSystemFolder(const std::string& folder) {
#ifdef _WIN32
system_folder_ = std::string(getenv("APPDATA")) + "/" + folder;
#elif __APPLE__
struct passwd* pw = getpwuid(getuid());
const char* homedir = pw->pw_dir;
system_folder_ = std::string(homedir) + "/Library/Application Support" + "/" + folder;
#elif __linux__
struct passwd* pw = getpwuid(getuid());
const char* homedir = pw->pw_dir;
system_folder_ = std::string(homedir) + "/.config/" + folder;
{
// Intenta crear ".config", per si no existeix
std::string config_base_folder = std::string(homedir) + "/.config";
int ret = mkdir(config_base_folder.c_str(), S_IRWXU);
if (ret == -1 && errno != EEXIST) {
printf("ERROR CREATING CONFIG BASE FOLDER.");
exit(EXIT_FAILURE);
}
}
#endif
struct stat st = {.st_dev = 0};
if (stat(system_folder_.c_str(), &st) == -1) {
errno = 0;
#ifdef _WIN32
int ret = mkdir(system_folder_.c_str());
#else
int ret = mkdir(system_folder_.c_str(), S_IRWXU);
#endif
if (ret == -1) {
switch (errno) {
case EACCES:
printf("the parent directory does not allow write");
exit(EXIT_FAILURE);
case EEXIST:
printf("pathname already exists");
exit(EXIT_FAILURE);
case ENAMETOOLONG:
printf("pathname is too long");
exit(EXIT_FAILURE);
default:
perror("mkdir");
exit(EXIT_FAILURE);
}
}
}
}
// Carga la configuración de assets desde assets.yaml
void Director::setFileList() {
// Determinar el prefijo de ruta según la plataforma
#ifdef MACOS_BUNDLE
const std::string PREFIX = "/../Resources";
#else
const std::string PREFIX;
#endif
// Construir ruta al archivo de configuración de assets
std::string config_path = executable_path_ + PREFIX + "/config/assets.yaml";
// Cargar todos los assets desde el archivo de configuración
// La verificación de existencia de archivos se realiza durante Resource::Cache::load()
Resource::List::get()->loadFromFile(config_path, PREFIX, system_folder_);
}
// Ejecuta la seccion de juego con el logo
void Director::runLogo() {
auto logo = std::make_unique<Logo>();
logo->run();
}
// Ejecuta la seccion de juego con el titulo y los menus
void Director::runTitle() {
auto title = std::make_unique<Title>();
title->run();
}
// Ejecuta la seccion de juego donde se juega
void Director::runGame() {
Audio::get()->stopMusic();
auto game = std::make_unique<Game>(Game::Mode::GAME);
game->run();
}
auto Director::run() -> int {
// Bucle principal
while (SceneManager::current != SceneManager::Scene::QUIT) {
switch (SceneManager::current) {
case SceneManager::Scene::LOGO:
runLogo();
break;
case SceneManager::Scene::TITLE:
runTitle();
break;
case SceneManager::Scene::GAME:
runGame();
break;
default:
break;
}
}
return 0;
}

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#pragma once
#include <SDL3/SDL.h>
#include <string> // Para string
#include <vector> // Para vector
class Director {
public:
explicit Director(std::vector<std::string> const& args); // Constructor
~Director(); // Destructor
static auto run() -> int; // Bucle principal
private:
// --- Variables ---
std::string executable_path_; // Path del ejecutable
std::string system_folder_; // Carpeta del sistema donde guardar datos
static auto checkProgramArguments(std::vector<std::string> const& args) -> std::string; // Comprueba los parametros del programa
// --- Funciones ---
void createSystemFolder(const std::string& folder); // Crea la carpeta del sistema donde guardar datos
void setFileList(); // Carga la configuración de assets desde assets.yaml
static void runLogo(); // Ejecuta la seccion de juego con el logo
static void runTitle(); // Ejecuta la seccion de juego con el titulo y los menus
static void runGame(); // Ejecuta la seccion de juego donde se juega
};

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#include "core/system/global_events.hpp"
#include "core/input/mouse.hpp"
#include "game/options.hpp" // Para Options, options, OptionsGame, OptionsAudio
#include "game/scene_manager.hpp" // Para SceneManager
namespace GlobalEvents {
// Comprueba los eventos que se pueden producir en cualquier sección del juego
void handle(const SDL_Event& event) {
// Evento de salida de la aplicación
if (event.type == SDL_EVENT_QUIT) {
SceneManager::current = SceneManager::Scene::QUIT;
return;
}
if (event.type == SDL_EVENT_RENDER_DEVICE_RESET || event.type == SDL_EVENT_RENDER_TARGETS_RESET) {
// reLoadTextures();
}
Mouse::handleEvent(event);
}
} // namespace GlobalEvents

8
source/core/system/global_events.hpp Normal file
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@@ -0,0 +1,8 @@
#pragma once
#include <SDL3/SDL.h>
namespace GlobalEvents {
// Comprueba los eventos que se pueden producir en cualquier sección del juego
void handle(const SDL_Event& event);
} // namespace GlobalEvents