first commit

source/const.h

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+#pragma once
+#include "ifdefs.h"
+#include <string>
+
+#ifndef CONST_H
+#define CONST_H
+
+// Textos
+const std::string WINDOW_TITLE = "Volcano v0005";
+const std::string BUILD = ".05";
+
+const std::string FILE_MAP_VOLCANO = "../data/volcano.map.bak1";
+const std::string FILE_TILES_VOLCANO = "../media/gfx/tiles_volcano.png";
+const std::string FILE_TILES_SURFACE = "../media/gfx/tiles_surface.png";
+const std::string FILE_BKG_SURFACE = "../media/gfx/bkg_surface.png";
+const std::string FILE_MENU = "../media/gfx/menu.png";
+const std::string FILE_MENU_ANIMATION = "../media/gfx/menu_animation.png";
+const std::string FILE_ACTORS = "../media/gfx/actors.png";
+const std::string FILE_PLAYER = "../media/gfx/player.png";
+const std::string FILE_HUD = "../media/gfx/hud.png";
+const std::string FILE_FILTER = "../media/gfx/filter.png";
+const std::string FILE_SOUND_JUMP = "../media/sound/sound_player_jump.wav";
+const std::string FILE_SOUND_DEATH = "../media/sound/sound_player_death.wav";
+const std::string FILE_SOUND_COIN = "../media/sound/sound_player_coin.wav";
+const std::string FILE_SOUND_MENU_LOGO = "../media/sound/sound_menu_logo.wav";
+const std::string FILE_SOUND_MENU_START = "../media/sound/sound_menu_start.wav";
+const std::string FILE_SOUND_DROP_ENEMY = "../media/sound/sound_drop_enemy.wav";
+const std::string FILE_SOUND_DROP_SPLAT = "../media/sound/sound_drop_splat.wav";
+const std::string FILE_MUSIC_SURFACE = "../media/music/music_surface.ogg";
+const std::string FILE_MUSIC_VOLCANO = "../media/music/music_volcano.ogg";
+const std::string FILE_MUSIC_MENU = "../media/music/music_menu.ogg";
+
+const Uint8 GAME_SPEED = 24; //16 = normal-rapido, 24 = normal. Cuanto mas pequeño, más rápido
+
+const Uint8 UP = 0;
+const Uint8 DOWN = 2;
+const Uint8 RIGHT = 1;
+const Uint8 LEFT = 3;
+const Uint8 NONE = 4;
+
+const Uint8 MAP_TILE_HEIGHT = 16;
+const Uint8 MAP_TILE_WIDTH = 16;
+
+const Uint8 ROOM_WIDTH_IN_TILES = 20;
+const Uint8 ROOM_HEIGHT_IN_TILES = 14;
+
+const Uint16 GAME_WINDOW_WIDTH = 320;
+const Uint16 GAME_WINDOW_HEIGHT = 234;
+
+const Uint8 TEST_ROOM = 118; // 161
+const Uint8 STARTING_ROOM = 2;
+const Uint8 STARTING_PLAYER_TILE_X = 5;
+const Uint8 STARTING_PLAYER_TILE_Y = 11;
+const Uint8 ENEMY_HITBOX_REDUCTION = 4;
+const Uint8 COOLDOWN_TIME = 50;
+const Uint8 GRAVITY = 0;
+const Uint8 MAX_SPEED_Y = 5;
+const Uint8 BASE_SPEED = 1;
+const Uint8 MAX_SPEED = 8;
+const Uint8 RATIO_SPEED = 8;
+const Uint8 DROP_TIMER = 100;
+
+const Uint8 TOP_COLLISION = 0;
+const Uint8 BOTTOM_COLLISION = 1;
+const Uint8 LEFT_COLLISION = 2;
+const Uint8 RIGHT_COLLISION = 3;
+const Uint8 NO_COLLISION = 4;
+
+const Uint8 MAX_ACTORS = 50;
+
+const Uint8 KIND_FLYING_ENEMY = 0;
+const Uint8 KIND_COIN = 1;
+const Uint8 KIND_HEART = 2;
+const Uint8 KIND_STATIC_ENEMY = 3;
+const Uint8 KIND_MOBILE_PLATFORM = 4;
+const Uint8 KIND_WALKING_ENEMY = 5;
+const Uint8 KIND_DROP_GENERATOR = 6;
+const Uint8 KIND_DROP_ENEMY = 7;
+const Uint8 KIND_DROP_SPLAT = 8;
+const Uint8 KIND_SPEED_ENEMY = 9;
+const Uint8 KIND_KEY = 10;
+const Uint8 KIND_LOCK = 11;
+
+const Uint8 CODE_ENEMY_V1U = 208;
+const Uint8 CODE_ENEMY_V2U = 209;
+const Uint8 CODE_ENEMY_V3U = 210;
+const Uint8 CODE_ENEMY_V1D = 211;
+const Uint8 CODE_ENEMY_V2D = 212;
+const Uint8 CODE_ENEMY_V3D = 213;
+
+const Uint8 CODE_ENEMY_H1L = 214;
+const Uint8 CODE_ENEMY_H2L = 215;
+const Uint8 CODE_ENEMY_H3L = 216;
+const Uint8 CODE_ENEMY_H1R = 217;
+const Uint8 CODE_ENEMY_H2R = 218;
+const Uint8 CODE_ENEMY_H3R = 219;
+
+const Uint8 CODE_ENEMY_W1L = 224;
+const Uint8 CODE_ENEMY_W2L = 225;
+const Uint8 CODE_ENEMY_W3L = 226;
+const Uint8 CODE_ENEMY_W1R = 227;
+const Uint8 CODE_ENEMY_W2R = 228;
+const Uint8 CODE_ENEMY_W3R = 229;
+
+const Uint8 CODE_ENEMY_DRP = 230;
+
+const Uint8 CODE_ENEMY_SPL = 231;
+const Uint8 CODE_ENEMY_SPR = 232;
+
+const Uint8 CODE_COIN = 240;
+const Uint8 CODE_HEART = 241;
+const Uint8 CODE_KEY_RED = 242;
+const Uint8 CODE_LOCK_RED = 243;
+const Uint8 CODE_KEY_BLUE = 244;
+const Uint8 CODE_LOCK_BLUE = 245;
+const Uint8 CODE_KEY_GREEN = 246;
+const Uint8 CODE_LOCK_GREEN = 247;
+const Uint8 CODE_KEY_YELLOW = 248;
+const Uint8 CODE_LOCK_YELLOW = 249;
+
+const Uint8 MAX_ANIMATED_TILES = 200;
+
+const Uint8 TILE_BACKGROUND = 0;
+const Uint8 TILE_PLATFORM = 1;
+const Uint8 TILE_KILLING_PLATFORM = 2;
+const Uint8 TILE_ACTOR = 3;
+const Uint8 TILE_TRAVESABLE_PLATFORM = 4;
+
+const Uint8 PLAYER_ANIMATION_STANDING_LEFT = 0;
+const Uint8 PLAYER_ANIMATION_STANDING_RIGHT = 1;
+const Uint8 PLAYER_ANIMATION_WALKING_LEFT = 2;
+const Uint8 PLAYER_ANIMATION_WALKING_RIGHT = 3;
+const Uint8 PLAYER_ANIMATION_JUMPING_LEFT = 4;
+const Uint8 PLAYER_ANIMATION_JUMPING_RIGHT = 5;
+const Uint8 PLAYER_ANIMATION_DYING_LEFT = 6;
+const Uint8 PLAYER_ANIMATION_DYING_RIGHT = 7;
+
+const Uint8 SECTION_MENU = 0;
+const Uint8 SECTION_GAME = 1;
+const Uint8 SECTION_QUIT = 2;
+
+const Uint8 MENU_SECTION_MAIN = 0;
+const Uint8 MENU_SECTION_CREDITS = 1;
+const Uint8 MENU_SECTION_ANIMATION = 2;
+
+const Uint8 ZONE_SURFACE = 0;
+const Uint8 ZONE_VOLCANO = 1;
+
+// Recursos
+
+///////////////////////////////COFFEE CRISIS//////////////////////////////////////////////
+
+// Tamaño de bloque
+const Uint8 BLOCK = 8;
+const Uint8 HALF_BLOCK = BLOCK / 2;
+
+// Tamaño de la pantalla real
+const int SCREEN_WIDTH = 320;
+const int SCREEN_HEIGHT = SCREEN_WIDTH * 3 / 4; // 240
+
+// Tamaño de la pantalla que se muestra
+const int VIEW_WIDTH = SCREEN_WIDTH * 3;   // 960
+const int VIEW_HEIGHT = SCREEN_HEIGHT * 3; // 720
+
+// Cantidad de enteros a escribir en los ficheros de datos
+const Uint8 TOTAL_SCORE_DATA = 3;
+const Uint16 TOTAL_DEMO_DATA = 2000;
+
+// Zona de juego
+const int PLAY_AREA_TOP = (0 * BLOCK);
+const int PLAY_AREA_BOTTOM = SCREEN_HEIGHT - (4 * BLOCK);
+const int PLAY_AREA_LEFT = (0 * BLOCK);
+const int PLAY_AREA_RIGHT = SCREEN_WIDTH - (0 * BLOCK);
+const int PLAY_AREA_WIDTH = PLAY_AREA_RIGHT - PLAY_AREA_LEFT;
+const int PLAY_AREA_HEIGHT = PLAY_AREA_BOTTOM - PLAY_AREA_TOP;
+const int PLAY_AREA_CENTER_X = PLAY_AREA_LEFT + (PLAY_AREA_WIDTH / 2);
+const int PLAY_AREA_CENTER_Y = PLAY_AREA_TOP + (PLAY_AREA_HEIGHT / 2);
+const int PLAY_AREA_FIRST_QUARTER_Y = PLAY_AREA_HEIGHT / 4;
+const int PLAY_AREA_THIRD_QUARTER_Y = (PLAY_AREA_HEIGHT / 4) * 3;
+
+// Anclajes de pantalla
+const int SCREEN_CENTER_X = SCREEN_WIDTH / 2;
+const int SCREEN_FIRST_QUARTER_X = SCREEN_WIDTH / 4;
+const int SCREEN_THIRD_QUARTER_X = (SCREEN_WIDTH / 4) * 3;
+const int SCREEN_CENTER_Y = SCREEN_HEIGHT / 2;
+const int SCREEN_FIRST_QUARTER_Y = SCREEN_HEIGHT / 4;
+const int SCREEN_THIRD_QUARTER_Y = (SCREEN_HEIGHT / 4) * 3;
+
+// Color transparente para los sprites
+const Uint8 COLOR_KEY_R = 0xff;
+const Uint8 COLOR_KEY_G = 0x00;
+const Uint8 COLOR_KEY_B = 0xff;
+
+// Opciones de menu
+const int MENU_NO_OPTION = -1;
+const int MENU_OPTION_START = 0;
+const int MENU_OPTION_QUIT = 1;
+const int MENU_OPTION_TOTAL = 2;
+
+// Selector de menu
+const int MENU_SELECTOR_BLACK = (BLOCK * 0);
+const int MENU_SELECTOR_WHITE = (BLOCK * 1);
+
+// Tipos de fondos para el menu
+const int MENU_BACKGROUND_TRANSPARENT = 0;
+const int MENU_BACKGROUND_SOLID = 1;
+
+// Estados del jugador
+const Uint8 PLAYER_STATUS_WALKING_LEFT = 0;
+const Uint8 PLAYER_STATUS_WALKING_RIGHT = 1;
+const Uint8 PLAYER_STATUS_WALKING_STOP = 2;
+
+const Uint8 PLAYER_STATUS_FIRING_UP = 0;
+const Uint8 PLAYER_STATUS_FIRING_LEFT = 1;
+const Uint8 PLAYER_STATUS_FIRING_RIGHT = 2;
+const Uint8 PLAYER_STATUS_FIRING_NO = 3;
+
+const Uint8 PLAYER_ANIMATION_LEGS_WALKING_LEFT = 0;
+const Uint8 PLAYER_ANIMATION_LEGS_WALKING_RIGHT = 1;
+const Uint8 PLAYER_ANIMATION_LEGS_WALKING_STOP = 2;
+
+const Uint8 PLAYER_ANIMATION_BODY_WALKING_LEFT = 0;
+const Uint8 PLAYER_ANIMATION_BODY_FIRING_LEFT = 1;
+const Uint8 PLAYER_ANIMATION_BODY_WALKING_RIGHT = 2;
+const Uint8 PLAYER_ANIMATION_BODY_FIRING_RIGHT = 3;
+const Uint8 PLAYER_ANIMATION_BODY_WALKING_STOP = 4;
+const Uint8 PLAYER_ANIMATION_BODY_FIRING_UP = 5;
+const Uint8 PLAYER_ANIMATION_BODY_WALKING_LEFT_EXTRA_HIT = 6;
+const Uint8 PLAYER_ANIMATION_BODY_FIRING_LEFT_EXTRA_HIT = 7;
+const Uint8 PLAYER_ANIMATION_BODY_WALKING_RIGHT_EXTRA_HIT = 8;
+const Uint8 PLAYER_ANIMATION_BODY_FIRING_RIGHT_EXTRA_HIT = 9;
+const Uint8 PLAYER_ANIMATION_BODY_WALKING_STOP_EXTRA_HIT = 10;
+const Uint8 PLAYER_ANIMATION_BODY_FIRING_UP_EXTRA_HIT = 11;
+
+// Variables del jugador
+const Uint16 PLAYER_INVULNERABLE_TIMER = 200;
+
+// Estados del juego
+const Uint8 GAME_SECTION_TITLE = 0;
+const Uint8 GAME_SECTION_PLAYING = 1;
+const Uint8 GAME_SECTION_QUIT = 2;
+const Uint8 GAME_SECTION_GAME_OVER_SCREEN = 3;
+const Uint8 GAME_SECTION_INTRO = 4;
+const Uint8 GAME_SECTION_DEMO = 5;
+const Uint8 GAME_SECTION_INSTRUCTIONS = 6;
+const Uint8 GAME_SECTION_LOGO = 7;
+const Uint8 GAME_SECTION_INIT = 8;
+
+// Estados de cada elemento que pertenece a un evento
+const Uint8 EVENT_WAITING = 1;
+const Uint8 EVENT_RUNNING = 2;
+const Uint8 EVENT_COMPLETED = 3;
+
+// Cantidad de eventos de la intro
+const Uint8 INTRO_TOTAL_BITMAPS = 6;
+const Uint8 INTRO_TOTAL_TEXTS = 9;
+const Uint8 INTRO_TOTAL_EVENTS = INTRO_TOTAL_BITMAPS + INTRO_TOTAL_TEXTS;
+
+// Cantidad de eventos de la pantalla de titulo
+const Uint8 TITLE_TOTAL_EVENTS = 2;
+
+// Relaciones de Id con nomnbres
+const Uint8 BITMAP0 = 0;
+const Uint8 BITMAP1 = 1;
+const Uint8 BITMAP2 = 2;
+const Uint8 BITMAP3 = 3;
+const Uint8 BITMAP4 = 4;
+const Uint8 BITMAP5 = 5;
+const Uint8 TEXT0 = 6;
+const Uint8 TEXT1 = 7;
+const Uint8 TEXT2 = 8;
+const Uint8 TEXT3 = 9;
+const Uint8 TEXT4 = 10;
+const Uint8 TEXT5 = 11;
+const Uint8 TEXT6 = 12;
+const Uint8 TEXT7 = 13;
+const Uint8 TEXT8 = 14;
+
+// Anclajes para el marcador de puntos
+const int SCORE_WORD_X = (SCREEN_WIDTH / 4) - ((5 * BLOCK) / 2);
+const int SCORE_WORD_Y = SCREEN_HEIGHT - (3 * BLOCK) + 2;
+const int SCORE_NUMBER_X = (SCREEN_WIDTH / 4) - ((6 * BLOCK) / 2);
+const int SCORE_NUMBER_Y = SCREEN_HEIGHT - (2 * BLOCK) + 2;
+
+const int HISCORE_WORD_X = ((SCREEN_WIDTH / 4) * 3) - ((8 * BLOCK) / 2);
+const int HISCORE_WORD_Y = SCREEN_HEIGHT - (3 * BLOCK) + 2;
+const int HISCORE_NUMBER_X = ((SCREEN_WIDTH / 4) * 3) - ((6 * BLOCK) / 2);
+const int HISCORE_NUMBER_Y = SCREEN_HEIGHT - (2 * BLOCK) + 2;
+
+const int MULTIPLIER_WORD_X = (SCREEN_WIDTH / 2) - ((4 * BLOCK) / 2);
+const int MULTIPLIER_WORD_Y = SCREEN_HEIGHT - (3 * BLOCK) + 2;
+const int MULTIPLIER_NUMBER_X = (SCREEN_WIDTH / 2) - ((3 * BLOCK) / 2);
+;
+const int MULTIPLIER_NUMBER_Y = SCREEN_HEIGHT - (2 * BLOCK) + 2;
+
+// Ningun tipo
+const Uint8 NO_KIND = 0;
+
+// Tipos de globo
+const Uint8 BALLOON_1 = 1;
+const Uint8 BALLOON_2 = 2;
+const Uint8 BALLOON_3 = 3;
+const Uint8 BALLOON_4 = 4;
+
+// Velocidad del globo
+const float BALLON_VELX_POSITIVE = 0.7f;
+const float BALLON_VELX_NEGATIVE = -0.7f;
+
+// Indice para las animaciones de los globos
+const Uint8 BALLOON_MOVING_ANIMATION = 0;
+const Uint8 BALLOON_POP_ANIMATION = 1;
+const Uint8 BALLOON_BORN_ANIMATION = 2;
+
+// Cantidad posible de globos
+const Uint8 MAX_BALLOONS = 75;
+
+// Tipos de bala
+const Uint8 BULLET_UP = 1;
+const Uint8 BULLET_LEFT = 2;
+const Uint8 BULLET_RIGHT = 3;
+
+// Cantidad posible de globos
+const Uint8 MAX_BULLETS = 50;
+
+// Tipos de objetos
+const Uint8 ITEM_POINTS_1_DISK = 1;
+const Uint8 ITEM_POINTS_2_GAVINA = 2;
+const Uint8 ITEM_POINTS_3_PACMAR = 3;
+const Uint8 ITEM_CLOCK = 4;
+const Uint8 ITEM_TNT = 5;
+const Uint8 ITEM_COFFEE = 6;
+
+// Cantidad de objetos simultaneos
+const Uint8 MAX_ITEMS = 5;
+
+// Valores para las variables asociadas a los objetos
+const Uint8 REMAINING_EXPLOSIONS = 3;
+const Uint8 REMAINING_EXPLOSIONS_TIMER = 50;
+const Uint16 TIME_STOPPED_TIMER = 300;
+
+// Estados de entrada
+const Uint8 NO_INPUT = 0;
+const Uint8 INPUT_UP = 1;
+const Uint8 INPUT_DOWN = 2;
+const Uint8 INPUT_LEFT = 3;
+const Uint8 INPUT_RIGHT = 4;
+const Uint8 INPUT_ACCEPT = 5;
+const Uint8 INPUT_CANCEL = 6;
+const Uint8 INPUT_FIRE_UP = 7;
+const Uint8 INPUT_FIRE_LEFT = 8;
+const Uint8 INPUT_FIRE_RIGHT = 9;
+const Uint8 INPUT_PAUSE = 10;
+
+// Zona muerta del mando analógico
+const int JOYSTICK_DEAD_ZONE = 8000;
+
+// Tipos de mensajes para el retorno de las funciones
+const Uint8 MSG_OK = 0;
+const Uint8 MSG_BULLET_OUT = 1;
+
+// Tipos de texto
+const Uint8 TEXT_FIXED = 0;
+const Uint8 TEXT_VARIABLE = 1;
+
+// Cantidad de elementos del vector de SmartSprites
+const Uint8 MAX_SMART_SPRITES = 10;
+
+// Contadores
+const Uint16 TITLE_TIMER = 800;
+const Uint8 STAGE_COUNTER = 200;
+const Uint16 INSTRUCTIONS_COUNTER = 600;
+const Uint16 DEATH_COUNTER = 350;
+
+#endif

source/ifdefs.h

@@ -0,0 +1,16 @@
+#ifdef _WIN64
+#include "C:\Program Files\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\include\SDL2\SDL.h"
+#endif
+
+#ifdef _WIN32
+#include "C:\Program Files\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\include\SDL2\SDL.h"
+#endif
+
+#ifdef __APPLE__
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_mixer.h>
+#endif
+
+#ifdef __linux__
+#include "/usr/include/SDL2/SDL.h"
+#endif

source/jail_audio.cpp

@@ -0,0 +1,212 @@
+#include "jail_audio.h"
+#include "stb_vorbis.c"
+
+#define JA_MAX_SIMULTANEOUS_CHANNELS 5
+
+struct JA_Sound_t {
+    Uint32  length {0};
+    Uint8*  buffer {NULL};
+};
+
+struct JA_Channel_t {
+    JA_Sound            sound;
+    int                 pos {0};
+    int                 times {0};
+    JA_Channel_state    state { JA_CHANNEL_FREE };
+};
+
+struct JA_Music_t {
+    int             samples {0};
+    int             pos {0};
+    int             times {0};
+    short*          output {NULL};
+    JA_Music_state  state {JA_MUSIC_INVALID};
+};
+
+JA_Music        current_music{NULL};
+JA_Channel_t    channels[JA_MAX_SIMULTANEOUS_CHANNELS];
+
+int             JA_freq {48000};
+SDL_AudioFormat JA_format {AUDIO_S16};
+Uint8           JA_channels {2};
+
+void audioCallback(void * userdata, uint8_t * stream, int len) {
+    SDL_memset(stream, 0, len);
+    if (current_music != NULL && current_music->state == JA_MUSIC_PLAYING) {
+        const int size = SDL_min(len, current_music->samples*2-current_music->pos);
+        SDL_memcpy(stream, current_music->output+current_music->pos, size);
+        current_music->pos += size/2;
+        if (size < len) {
+            if (current_music->times != 0) {
+                SDL_memcpy(stream+size, current_music->output, len-size);
+                current_music->pos = (len-size)/2;
+                if (current_music->times > 0) current_music->times--;
+            } else {
+                current_music->pos = 0;
+                current_music->state = JA_MUSIC_STOPPED;
+            }
+        }
+    }
+    // Mixar els channels mi amol
+    for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
+        if (channels[i].state == JA_CHANNEL_PLAYING) {
+            const int size = SDL_min(len, channels[i].sound->length - channels[i].pos);
+            SDL_MixAudioFormat(stream, channels[i].sound->buffer + channels[i].pos, AUDIO_S16, size, 64);
+            channels[i].pos += size;
+            if (size < len) {
+                if (channels[i].times != 0) {
+                    SDL_MixAudioFormat(stream + size, channels[i].sound->buffer, AUDIO_S16, len-size, 64);
+                    channels[i].pos = len-size;
+                    if (channels[i].times > 0) channels[i].times--;
+                } else {
+                    JA_StopChannel(i);
+                }
+            }
+        }
+    }
+}
+
+void JA_Init(const int freq, const SDL_AudioFormat format, const int channels) {
+    JA_freq = freq;
+    JA_format = format;
+    JA_channels = channels;
+    SDL_AudioSpec audioSpec{JA_freq, JA_format, JA_channels, 0, 1024, 0, 0, audioCallback, NULL};
+    SDL_AudioDeviceID sdlAudioDevice = SDL_OpenAudioDevice(NULL, 0, &audioSpec, NULL, 0);
+    SDL_PauseAudioDevice(sdlAudioDevice, 0);
+}
+
+JA_Music JA_LoadMusic(const char* filename) {
+    int chan, samplerate;
+    JA_Music music = (JA_Music)SDL_malloc(sizeof(JA_Music_t));
+    music->samples = stb_vorbis_decode_filename(filename, &chan, &samplerate, &music->output);
+
+    SDL_AudioCVT cvt;
+    SDL_BuildAudioCVT(&cvt, AUDIO_S16, chan, samplerate, JA_format, JA_channels, JA_freq);
+    cvt.len = music->samples * chan * 2;
+    cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
+    SDL_memcpy(cvt.buf, music->output, cvt.len);
+    SDL_ConvertAudio(&cvt);
+    free(music->output);
+    music->output = (short*)cvt.buf;
+
+    music->pos = 0;
+    music->state = JA_MUSIC_STOPPED;
+
+    return music;
+}
+
+void JA_PlayMusic(JA_Music music, const int loop) {
+    if (current_music != NULL) {
+        current_music->pos = 0;
+        current_music->state = JA_MUSIC_STOPPED;
+    }
+    current_music = music;
+    current_music->pos = 0;
+    current_music->state = JA_MUSIC_PLAYING;
+    current_music->times = loop;
+}
+
+void JA_PauseMusic() {
+    if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
+    current_music->state = JA_MUSIC_PAUSED;
+}
+
+void JA_ResumeMusic() {
+    if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
+    current_music->state = JA_MUSIC_PLAYING;
+}
+
+void JA_StopMusic() {
+    if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
+    current_music->pos = 0;
+    current_music->state = JA_MUSIC_STOPPED;
+}
+
+JA_Music_state JA_GetMusicState() {
+    if (current_music == NULL) return JA_MUSIC_INVALID;
+    return current_music->state;
+}
+
+void JA_DeleteMusic(JA_Music music) {
+    if (current_music == music) current_music = NULL;
+    free(music->output);
+    free(music);
+}
+
+JA_Sound JA_LoadSound(const char* filename) {
+    JA_Sound sound = new JA_Sound_t();
+    SDL_AudioSpec wavSpec;
+    SDL_LoadWAV(filename, &wavSpec, &sound->buffer, &sound->length);
+
+    SDL_AudioCVT cvt;
+    SDL_BuildAudioCVT(&cvt, wavSpec.format, wavSpec.channels, wavSpec.freq, JA_format, JA_channels, JA_freq);
+    cvt.len = sound->length;
+    cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
+    SDL_memcpy(cvt.buf, sound->buffer, sound->length);
+    SDL_ConvertAudio(&cvt);
+    free(sound->buffer);
+    sound->buffer = cvt.buf;
+    sound->length = cvt.len_cvt;
+
+    return sound;
+}
+
+int JA_PlaySound(JA_Sound sound, const int loop) {
+    int channel = 0;
+    while (channel < JA_MAX_SIMULTANEOUS_CHANNELS && channels[channel].state != JA_CHANNEL_FREE) { channel++; }
+    if (channel == JA_MAX_SIMULTANEOUS_CHANNELS) channel = 0;
+
+    channels[channel].sound = sound;
+    channels[channel].times = loop;
+    channels[channel].pos = 0;
+    channels[channel].state = JA_CHANNEL_PLAYING;
+    return channel;
+}
+
+void JA_DeleteSound(JA_Sound sound) {
+    for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
+        if (channels[i].sound == sound) JA_StopChannel(i);
+    }
+    SDL_FreeWAV(sound->buffer);
+    delete sound;
+}
+
+void JA_PauseChannel(const int channel) {
+    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;
+        }
+    } else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
+        if (channels[channel].state == JA_CHANNEL_PLAYING) channels[channel].state = JA_CHANNEL_PAUSED;
+    }
+}
+
+void JA_ResumeChannel(const int channel) {
+    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;
+        }
+    } else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
+        if (channels[channel].state == JA_CHANNEL_PAUSED) channels[channel].state = JA_CHANNEL_PLAYING;
+    }
+}
+
+void JA_StopChannel(const int channel) {
+    if (channel == -1) {
+        for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
+            channels[i].state = JA_CHANNEL_FREE;
+            channels[i].pos = 0;
+            channels[i].sound = NULL;
+        }
+    } else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
+        channels[channel].state = JA_CHANNEL_FREE;
+        channels[channel].pos = 0;
+        channels[channel].sound = NULL;
+    }
+}
+
+JA_Channel_state JA_GetChannelState(const int channel) {
+    if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return JA_CHANNEL_INVALID;
+    return channels[channel].state;
+}
+

source/jail_audio.h

@@ -0,0 +1,26 @@
+#pragma once
+#include "ifdefs.h"
+
+enum JA_Channel_state { JA_CHANNEL_INVALID, JA_CHANNEL_FREE, JA_CHANNEL_PLAYING, JA_CHANNEL_PAUSED };
+enum JA_Music_state { JA_MUSIC_INVALID, JA_MUSIC_PLAYING, JA_MUSIC_PAUSED, JA_MUSIC_STOPPED };
+
+typedef struct JA_Sound_t *JA_Sound;
+typedef struct JA_Music_t *JA_Music;
+
+void JA_Init(const int freq, const SDL_AudioFormat format, const int channels);
+
+JA_Music JA_LoadMusic(const char* filename);
+void JA_PlayMusic(JA_Music music, const int loop = -1);
+void JA_PauseMusic();
+void JA_ResumeMusic();
+void JA_StopMusic();
+JA_Music_state JA_GetMusicState();
+void JA_DeleteMusic(JA_Music music);
+
+JA_Sound JA_LoadSound(const char* filename);
+int JA_PlaySound(JA_Sound sound, const int loop = 0);
+void JA_PauseChannel(const int channel);
+void JA_ResumeChannel(const int channel);
+void JA_StopChannel(const int channel);
+JA_Channel_state JA_GetChannelState(const int channel);
+void JA_DeleteSound(JA_Sound sound);

source/ltexture.cpp

@@ -0,0 +1,160 @@
+#include <stdio.h>
+#include <string>
+#include "ltexture.h"
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+
+LTexture::LTexture()
+{
+	// Initialize
+	mTexture = NULL;
+	mWidth = 0;
+	mHeight = 0;
+}
+
+LTexture::~LTexture()
+{
+	// Deallocate
+	free();
+}
+
+bool LTexture::loadFromFile(std::string path, SDL_Renderer *renderer)
+{
+	int req_format = STBI_rgb_alpha;
+	int width, height, orig_format;
+	unsigned char *data = stbi_load(path.c_str(), &width, &height, &orig_format, req_format);
+	if (data == NULL)
+	{
+		SDL_Log("Loading image failed: %s", stbi_failure_reason());
+		exit(1);
+	}
+
+	int depth, pitch;
+	Uint32 pixel_format;
+	if (req_format == STBI_rgb)
+	{
+		depth = 24;
+		pitch = 3 * width; // 3 bytes per pixel * pixels per row
+		pixel_format = SDL_PIXELFORMAT_RGB24;
+	}
+	else
+	{ // STBI_rgb_alpha (RGBA)
+		depth = 32;
+		pitch = 4 * width;
+		pixel_format = SDL_PIXELFORMAT_RGBA32;
+	}
+
+	// Get rid of preexisting texture
+	free();
+
+	// The final texture
+	SDL_Texture *newTexture = NULL;
+
+	// Load image at specified path
+	SDL_Surface *loadedSurface = SDL_CreateRGBSurfaceWithFormatFrom((void*)data, width, height, depth, pitch, pixel_format);
+	if (loadedSurface == NULL)
+	{
+		printf("Unable to load image %s!\n", path.c_str());
+	}
+	else
+	{
+		// Create texture from surface pixels
+		newTexture = SDL_CreateTextureFromSurface(renderer, loadedSurface);
+		if (newTexture == NULL)
+		{
+			printf("Unable to create texture from %s! SDL Error: %s\n", path.c_str(), SDL_GetError());
+		}
+		else
+		{
+			// Get image dimensions
+			mWidth = loadedSurface->w;
+			mHeight = loadedSurface->h;
+		}
+
+		// Get rid of old loaded surface
+		SDL_FreeSurface(loadedSurface);
+	}
+
+	// Return success
+	mTexture = newTexture;
+	return mTexture != NULL;
+}
+
+bool LTexture::createBlank(SDL_Renderer *renderer, int width, int height, SDL_TextureAccess access)
+{
+	// Create uninitialized texture
+	mTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, access, width, height);
+	if (mTexture == NULL)
+	{
+		printf("Unable to create blank texture! SDL Error: %s\n", SDL_GetError());
+	}
+	else
+	{
+		mWidth = width;
+		mHeight = height;
+	}
+
+	return mTexture != NULL;
+}
+
+void LTexture::free()
+{
+	// Free texture if it exists
+	if (mTexture != NULL)
+	{
+		SDL_DestroyTexture(mTexture);
+		mTexture = NULL;
+		mWidth = 0;
+		mHeight = 0;
+	}
+}
+
+void LTexture::setColor(Uint8 red, Uint8 green, Uint8 blue)
+{
+	// Modulate texture rgb
+	SDL_SetTextureColorMod(mTexture, red, green, blue);
+}
+
+void LTexture::setBlendMode(SDL_BlendMode blending)
+{
+	// Set blending function
+	SDL_SetTextureBlendMode(mTexture, blending);
+}
+
+void LTexture::setAlpha(Uint8 alpha)
+{
+	// Modulate texture alpha
+	SDL_SetTextureAlphaMod(mTexture, alpha);
+}
+
+void LTexture::render(SDL_Renderer *renderer, int x, int y, SDL_Rect *clip, double angle, SDL_Point *center, SDL_RendererFlip flip)
+{
+	// Set rendering space and render to screen
+	SDL_Rect renderQuad = {x, y, mWidth, mHeight};
+
+	// Set clip rendering dimensions
+	if (clip != NULL)
+	{
+		renderQuad.w = clip->w;
+		renderQuad.h = clip->h;
+	}
+
+	// Render to screen
+	SDL_RenderCopyEx(renderer, mTexture, clip, &renderQuad, angle, center, flip);
+}
+
+void LTexture::setAsRenderTarget(SDL_Renderer *renderer)
+{
+	// Make self render target
+	SDL_SetRenderTarget(renderer, mTexture);
+}
+
+int LTexture::getWidth()
+{
+	return mWidth;
+}
+
+int LTexture::getHeight()
+{
+	return mHeight;
+}

source/ltexture.h

@@ -0,0 +1,66 @@
+#pragma once
+#include "ifdefs.h"
+#include <stdio.h>
+#include <string>
+
+#ifndef LTEXTURE_H
+#define LTEXTURE_H
+
+// Texture wrapper class
+class LTexture
+{
+public:
+    // Initializes variables
+    LTexture();
+
+    // Deallocates memory
+    ~LTexture();
+
+    // Loads image at specified path
+    bool loadFromFile(std::string path, SDL_Renderer *renderer);
+
+    // Creates blank texture
+    bool createBlank(SDL_Renderer *renderer, int width, int height, SDL_TextureAccess = SDL_TEXTUREACCESS_STREAMING);
+
+    // Deallocates texture
+    void free();
+
+    // Set color modulation
+    void setColor(Uint8 red, Uint8 green, Uint8 blue);
+
+    // Set blending
+    void setBlendMode(SDL_BlendMode blending);
+
+    // Set alpha modulation
+    void setAlpha(Uint8 alpha);
+
+    // Renders texture at given point
+    void render(SDL_Renderer *renderer, int x, int y, SDL_Rect *clip = NULL, double angle = 0.0, SDL_Point *center = NULL, SDL_RendererFlip flip = SDL_FLIP_NONE);
+
+    // Set self as render target
+    void setAsRenderTarget(SDL_Renderer *renderer);
+
+    // Gets image dimensions
+    int getWidth();
+    int getHeight();
+
+    // Pixel manipulators
+    bool lockTexture();
+    bool unlockTexture();
+    void *getPixels();
+    void copyPixels(void *pixels);
+    int getPitch();
+    Uint32 getPixel32(unsigned int x, unsigned int y);
+
+private:
+    // The actual hardware texture
+    SDL_Texture *mTexture;
+    void *mPixels;
+    int mPitch;
+
+    // Image dimensions
+    int mWidth;
+    int mHeight;
+};
+
+#endif

source/volcano.h

@@ -0,0 +1,209 @@
+#pragma once
+
+#ifndef VOLCANO_H
+#define VOLCANO_H
+
+#include "ifdefs.h"
+#include "jail_audio.h"
+#include "const.h"
+#include "ltexture.h"
+
+struct Tanimation
+{
+	bool loops;		  // Salta a true cuando se reinicia la animación
+	Uint16 timer;	  // Temporizador de la animación
+	Uint8 frame[50];  // Vector con ....
+	Uint8 index;	  // Frame actual
+	Uint8 num_frames; // Cantidad de frames de la animación
+	Uint8 speed;	  // Velocidad de la animación
+};
+
+struct Tprogram
+{
+	bool debug;
+	bool filter;
+	bool music_enabled; //
+	LTexture *sprite;
+	SDL_Rect dst_rect;
+	SDL_Rect src_rect;
+	Uint8 section;
+};
+
+struct Tgame
+{
+	bool enabled;
+	Mix_Chunk *sound_drop_enemy;
+	Mix_Chunk *sound_drop_splat;
+	Mix_Music *music;
+	Uint8 zone; // Zona en la que estamos
+};
+
+struct Tmenu
+{
+	bool enabled;
+	int frame;
+	int timer;
+	LTexture *sprite_animation;
+	LTexture *sprite;
+	Mix_Chunk *sound_logo;
+	Mix_Chunk *sound_start;
+	Mix_Music *music;
+	SDL_Rect dst_rect_animation;
+	SDL_Rect dst_rect_fondo;
+	SDL_Rect dst_rect_logo_zoom;
+	SDL_Rect dst_rect_logo;
+	SDL_Rect dst_rect_text;
+	SDL_Rect dst_rect_text2;
+	SDL_Rect src_rect_animation;
+	SDL_Rect src_rect_fondo;
+	SDL_Rect src_rect_logo;
+	SDL_Rect src_rect_text;
+	SDL_Rect src_rect_text2;
+	Tanimation animation[2];
+	Uint8 section;
+};
+
+struct Tplayer
+{
+	bool can_jump;			  // Si puede saltar
+	bool enabled;			  // Si está habilitado
+	bool jump_pressed_before; // Si se ha pulsado el botón de salto previamente
+	bool jump_pressed_now;	  // Si se acaba de pulsar el salto
+	bool key[6];			  // Indica las llaves que posee el jugador
+	bool standing;			  // Si esta de pie (o quieto?)
+	bool was_on_background;	  // Si viene de una zona atravesable
+	int coins;				  // Cantidad de monedas
+	int cooldown;			  // Tiempo de inhabilitación
+	int jumpforce;			  // Cantidad de pixels a desplazarse y velocidad que pilla al saltar
+	int respawn_x;			  // Coordenadas para revivir
+	int respawn_y;			  // Coordenades para revivir
+	int speed_x;			  // Cantidad de pixeles a desplazarse
+	int speed_y;			  // Cantidad de pixels a desplazarse
+	LTexture *sprite;		  // Textura con los graficos del jugador
+	Mix_Chunk *sound_coin;	  // Sonido al coger monedas
+	Mix_Chunk *sound_death;	  // Sonido al morir
+	Mix_Chunk *sound_jump;	  // Sonido al saltar
+	SDL_Rect dst_rect;		  // Rectangulo donde dibujar el sprite del jugador. Es la posición del jugador
+	SDL_Rect src_rect;		  // Rectangulo con el dibujo del jugador a pintar
+	Tanimation animation[8];  // Vector con las animaciones del jugador
+	Uint8 active_animation;	  // Animación activa
+	Uint8 direction;		  // Sentido del desplazamiento
+	Uint8 lifes;			  // Cantidad de vidas
+	Uint8 respawn_direction;  // Dirección para revivir
+};
+
+struct Tactor
+{
+	bool enabled;
+	Uint8 frame;
+	int speed_x;
+	int speed_y; // Velocidad = cantidad de pixeles a desplazarse
+	int timer;
+	SDL_Rect dst_rect;
+	SDL_Rect src_rect;
+	Uint8 direction; // Sentido del desplazamiento
+	Uint8 id;
+	Uint8 kind;	  // Tipo de actor: enemigo, moneda, llave, plataforma ...
+	Uint8 parent; // Indice al padre del actor
+};
+
+struct Tanimated_tile
+{
+	bool enabled;
+	Uint8 index;
+	int x;
+	int y;
+	Uint8 frame;
+};
+
+struct Thud
+{
+	LTexture *sprite;
+	SDL_Rect src_rect;
+	SDL_Rect dst_rect;
+	SDL_Rect num_src_rect;
+	SDL_Rect num_dst_rect;
+	SDL_Rect bignum_src_rect;
+	SDL_Rect bignum_dst_rect;
+};
+
+struct Tmap
+{
+	LTexture *sprite_tile;
+	LTexture *sprite_actor;
+	LTexture *background;
+	SDL_Rect src_rect;
+	SDL_Rect dst_rect;
+	Uint8 *tile;
+	Uint8 *actor;
+	Uint8 w;
+	Uint8 h;
+	Uint8 room;
+};
+
+bool fullscreen;
+bool quit;
+const Uint8 *keys;
+SDL_Event *event;
+SDL_Renderer *renderer;
+SDL_Window *window;
+std::string executablePath;
+Tactor actor[MAX_ACTORS];
+Tanimated_tile animated_tile[MAX_ANIMATED_TILES];
+Tgame game;
+Thud hud;
+Tmap map;
+Tmenu menu;
+Tplayer player;
+Tprogram prog;
+Uint32 delta_time;
+
+bool CheckZoneChange(int room);
+bool loadTextureFromFile(LTexture *texture, std::string path, SDL_Renderer *renderer);
+bool OnFloor();
+Uint8 GetActor(Uint8 x, Uint8 y);
+Uint8 GetTile(Uint8 x, Uint8 y);
+Uint8 ReadMapTile(Uint8 x, Uint8 y);
+void allocatePointers();
+void Animate(Tanimation &a, SDL_Rect &s);
+void AnimateIntroMenu(Tanimation &a, SDL_Rect &s);
+void ApplyGravity();
+void CheckPlayerCollisionWithActors();
+void CheckPlayerCollisionWithActors();
+void CheckPlayerCollisionWithMap();
+void CloseMusic(Mix_Music *music);
+void ClosePicture(LTexture *picture);
+void CloseSound(Mix_Chunk *sound);
+void CreateActor(Tactor &a, Uint8 kind, Uint8 id, Sint16 dstx, Sint16 dsty, Sint16 dstw, Sint16 dsth, Sint16 srcx, Sint16 srcy, Sint16 sx, Sint16 sy, Sint16 timer, Sint16 frame, Uint8 direction, Uint8 parent);
+void DrawHud();
+void DrawMap();
+void DrawSprite(LTexture *sprite, SDL_Rect src_rect, SDL_Rect dst_rect);
+void EndGame();
+void EndHud();
+void EndMap();
+void EndMenu();
+void EndPlayer();
+void EndProgram();
+void IniActors();
+void IniAnimatedTiles();
+void IniGame(Uint8 zone);
+void IniHud();
+void IniMap();
+void IniMenu();
+void IniPlayer();
+void IniProgram();
+void KillPlayer();
+void LoadMap();
+void LoadRoom(int num);
+void MoveActors();
+void MovePlayer(int direction);
+void SetActor(Uint8 x, Uint8 y, Uint8 valor);
+void setExecutablePath(std::string path);
+void SetMapGFX(Uint8 zone);
+void SetMapMusic(Uint8 zone);
+void SetPlayerAnimation(Uint8 anim);
+void SetPlayerDirection(int direction);
+void SetProgSection(Uint8 section);
+void SetZone(int room);
+
+#endif