Files
jaildoctors_dilemma/source/core/input/input.hpp
2025-11-11 12:35:21 +01:00

151 lines
7.7 KiB
C++

#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/gamepad_config_manager.hpp" // for GamepadConfig (ptr only), GamepadConfigs
#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{static_cast<int>(SDL_GAMEPAD_BUTTON_DPAD_LEFT)}},
{Action::RIGHT, ButtonState{static_cast<int>(SDL_GAMEPAD_BUTTON_DPAD_RIGHT)}},
{Action::JUMP, ButtonState{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, const std::string& gamepad_configs_file);
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 saveGamepadConfigFromGamepad(std::shared_ptr<Gamepad> gamepad);
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, std::string gamepad_configs_file);
~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();
void loadGamepadConfigs();
void saveGamepadConfigs();
void applyGamepadConfig(std::shared_ptr<Gamepad> gamepad);
void setGamepadConfigsFile(const std::string& filename);
auto getGamepadConfig(const std::string& gamepad_name) -> GamepadConfig*;
auto removeGamepadConfig(const std::string& gamepad_name) -> bool;
// --- 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
std::string gamepad_configs_file_{}; // Ruta al archivo de configuraciones
GamepadConfigs gamepad_configs_{}; // Configuraciones de gamepads guardadas
};