input_manager.h

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#pragma once
#include "core/engine_structs.h"
 
struct Joystick {
    SDL_Joystick* joystick;
    std::unordered_map<int, bool> buttonState;
    std::vector<float> axisValues;
};
 
struct TouchPoint {
    bool active;
    glm::vec2 position;
};
 
struct TextInputEvent {
    std::string text = "";
    bool bIsActive   = false;
};
 
class InputManager {
 
public:
    InputManager() = default;
 
    InputManager(SDL_Window* window) : _window(window) {}
 
    void ProcessEvents(const SDL_Event* pEvent);
 
    void Update();
 
    glm::vec2 GetMousePosition();
 
    bool IsMouseButtonPressed(Uint8 button);
 
    bool IsMouseButtonReleased(Uint8 button);
 
    bool IsKeyPressed(SDL_Scancode key);
 
    bool IsKeyHeld(SDL_Scancode key);
 
    bool IsKeyReleased(SDL_Scancode key);
 
    bool IsPositionInRect(glm::vec2 position, ember::Rectangle rect);
 
    std::string GetTypedText();
 
    void SetTextInputActive(bool status);
 
    bool IsTextInputActive();
 
private:
    SDL_Window* _window;
 
    std::queue<SDL_Event> events;
 
    std::unordered_map<SDL_Scancode, bool> keyState;
 
    std::unordered_map<SDL_Scancode, bool> prevKeyState;
 
    glm::vec2 mousePosition;
 
    Joystick joystickData;
 
    std::unordered_map<int, Joystick> joysticks;
 
    std::unordered_map<int, TouchPoint> touchPoints;
 
    TextInputEvent textInputEvt;
};