integrada classe Input

This commit is contained in:
2025-12-11 12:41:03 +01:00
parent 087b8d346d
commit 0ceaa75862
16 changed files with 3437 additions and 124 deletions

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source/core/input/input.cpp Normal file
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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 (valores por defecto)
// Estos serán sobrescritos por applyPlayer1BindingsFromOptions()
keyboard_.bindings = {
// Movimiento del jugador
{Action::LEFT, KeyState{.scancode = SDL_SCANCODE_LEFT}},
{Action::RIGHT, KeyState{.scancode = SDL_SCANCODE_RIGHT}},
{Action::THRUST, KeyState{.scancode = SDL_SCANCODE_UP}},
{Action::SHOOT, KeyState{.scancode = SDL_SCANCODE_SPACE}},
// Inputs de sistema (globales)
{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_VSYNC, KeyState{.scancode = SDL_SCANCODE_F4}},
{Action::EXIT, KeyState{.scancode = SDL_SCANCODE_ESCAPE}}};
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::THRUST, Options::keyboard_controls.key_thrust);
}
// 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::THRUST].button = Options::gamepad_controls.button_thrust;
}
// 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);
// Actualizar bindings globales (F1-F4, ESC)
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;
}
// Actualizar bindings de jugador 1
for (auto& binding : player1_keyboard_bindings_) {
bool key_is_down_now = key_states[binding.second.scancode];
binding.second.just_pressed = key_is_down_now && !binding.second.is_held;
binding.second.is_held = key_is_down_now;
}
// Actualizar bindings de jugador 2
for (auto& binding : player2_keyboard_bindings_) {
bool key_is_down_now = key_states[binding.second.scancode];
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;
}
// ========== MÉTODOS ESPECÍFICOS POR JUGADOR (ORNI) ==========
// Aplica configuración de controles del jugador 1
void Input::applyPlayer1BindingsFromOptions() {
// 1. Aplicar bindings de teclado (NO usar bindKey, llenar mapa específico)
player1_keyboard_bindings_[Action::LEFT].scancode = Options::player1.keyboard.key_left;
player1_keyboard_bindings_[Action::RIGHT].scancode = Options::player1.keyboard.key_right;
player1_keyboard_bindings_[Action::THRUST].scancode = Options::player1.keyboard.key_thrust;
player1_keyboard_bindings_[Action::SHOOT].scancode = Options::player1.keyboard.key_shoot;
// 2. Encontrar gamepad por nombre (o usar primer gamepad como fallback)
std::shared_ptr<Gamepad> gamepad = nullptr;
if (Options::player1.gamepad_name.empty()) {
// Fallback: usar primer gamepad disponible
gamepad = (gamepads_.size() > 0) ? gamepads_[0] : nullptr;
} else {
// Buscar por nombre
gamepad = findAvailableGamepadByName(Options::player1.gamepad_name);
}
if (!gamepad) {
player1_gamepad_ = nullptr;
return;
}
// 3. Aplicar bindings de gamepad
gamepad->bindings[Action::LEFT].button = Options::player1.gamepad.button_left;
gamepad->bindings[Action::RIGHT].button = Options::player1.gamepad.button_right;
gamepad->bindings[Action::THRUST].button = Options::player1.gamepad.button_thrust;
gamepad->bindings[Action::SHOOT].button = Options::player1.gamepad.button_shoot;
// 4. Cachear referencia
player1_gamepad_ = gamepad;
}
// Aplica configuración de controles del jugador 2
void Input::applyPlayer2BindingsFromOptions() {
// 1. Aplicar bindings de teclado (mapa específico de P2, no sobrescribe P1)
player2_keyboard_bindings_[Action::LEFT].scancode = Options::player2.keyboard.key_left;
player2_keyboard_bindings_[Action::RIGHT].scancode = Options::player2.keyboard.key_right;
player2_keyboard_bindings_[Action::THRUST].scancode = Options::player2.keyboard.key_thrust;
player2_keyboard_bindings_[Action::SHOOT].scancode = Options::player2.keyboard.key_shoot;
// 2. Encontrar gamepad por nombre (o usar segundo gamepad como fallback)
std::shared_ptr<Gamepad> gamepad = nullptr;
if (Options::player2.gamepad_name.empty()) {
// Fallback: usar segundo gamepad disponible
gamepad = (gamepads_.size() > 1) ? gamepads_[1] : nullptr;
} else {
// Buscar por nombre
gamepad = findAvailableGamepadByName(Options::player2.gamepad_name);
}
if (!gamepad) {
player2_gamepad_ = nullptr;
return;
}
// 3. Aplicar bindings de gamepad
gamepad->bindings[Action::LEFT].button = Options::player2.gamepad.button_left;
gamepad->bindings[Action::RIGHT].button = Options::player2.gamepad.button_right;
gamepad->bindings[Action::THRUST].button = Options::player2.gamepad.button_thrust;
gamepad->bindings[Action::SHOOT].button = Options::player2.gamepad.button_shoot;
// 4. Cachear referencia
player2_gamepad_ = gamepad;
}
// Consulta de input para jugador 1
auto Input::checkActionPlayer1(Action action, bool repeat) -> bool {
// Comprobar teclado con el mapa específico de P1
bool keyboard_active = false;
if (player1_keyboard_bindings_.contains(action)) {
if (repeat) {
keyboard_active = player1_keyboard_bindings_[action].is_held;
} else {
keyboard_active = player1_keyboard_bindings_[action].just_pressed;
}
}
// Comprobar gamepad de P1
bool gamepad_active = false;
if (player1_gamepad_) {
gamepad_active = checkAction(action, repeat, DO_NOT_CHECK_KEYBOARD, player1_gamepad_);
}
return keyboard_active || gamepad_active;
}
// Consulta de input para jugador 2
auto Input::checkActionPlayer2(Action action, bool repeat) -> bool {
// Comprobar teclado con el mapa específico de P2
bool keyboard_active = false;
if (player2_keyboard_bindings_.contains(action)) {
if (repeat) {
keyboard_active = player2_keyboard_bindings_[action].is_held;
} else {
keyboard_active = player2_keyboard_bindings_[action].just_pressed;
}
}
// Comprobar gamepad de P2
bool gamepad_active = false;
if (player2_gamepad_) {
gamepad_active = checkAction(action, repeat, DO_NOT_CHECK_KEYBOARD, player2_gamepad_);
}
return keyboard_active || gamepad_active;
}

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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 y acciones 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::THRUST, ButtonState{.button = static_cast<int>(SDL_GAMEPAD_BUTTON_WEST)}},
{Action::SHOOT, ButtonState{.button = static_cast<int>(SDL_GAMEPAD_BUTTON_SOUTH)}}} {}
~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();
// Configuración por jugador (Orni - dos jugadores)
void applyPlayer1BindingsFromOptions();
void applyPlayer2BindingsFromOptions();
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();
// Consulta por jugador (Orni - dos jugadores)
auto checkActionPlayer1(Action action, bool repeat = true) -> bool;
auto checkActionPlayer2(Action action, bool repeat = true) -> bool;
// --- 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::SHOOT}; // 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 (solo acciones globales)
std::string gamepad_mappings_file_; // Ruta al archivo de mappings
// Referencias cacheadas a gamepads por jugador (Orni)
std::shared_ptr<Gamepad> player1_gamepad_;
std::shared_ptr<Gamepad> player2_gamepad_;
// Mapas de bindings separados por jugador (Orni - dos jugadores)
std::unordered_map<Action, KeyState> player1_keyboard_bindings_;
std::unordered_map<Action, KeyState> player2_keyboard_bindings_;
};

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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::THRUST, "THRUST"},
{InputAction::SHOOT, "SHOOT"},
{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::EXIT, "EXIT"},
{InputAction::NONE, "NONE"}};
const std::unordered_map<std::string, InputAction> STRING_TO_ACTION = {
{"LEFT", InputAction::LEFT},
{"RIGHT", InputAction::RIGHT},
{"THRUST", InputAction::THRUST},
{"SHOOT", InputAction::SHOOT},
{"WINDOW_INC_ZOOM", InputAction::WINDOW_INC_ZOOM},
{"WINDOW_DEC_ZOOM", InputAction::WINDOW_DEC_ZOOM},
{"TOGGLE_FULLSCREEN", InputAction::TOGGLE_FULLSCREEN},
{"TOGGLE_VSYNC", InputAction::TOGGLE_VSYNC},
{"EXIT", InputAction::EXIT},
{"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 juego (movimiento y acción)
LEFT, // Rotar izquierda
RIGHT, // Rotar derecha
THRUST, // Acelerar
SHOOT, // Disparar
// Inputs de sistema (globales)
WINDOW_INC_ZOOM, // F2
WINDOW_DEC_ZOOM, // F1
TOGGLE_FULLSCREEN, // F3
TOGGLE_VSYNC, // F4
EXIT, // ESC
// 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