input.h

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#ifndef INPUT_H
#define INPUT_H
 
#define HANDLE_KEY_PRESSED(_input_id, _key)   if (event.key.keysym.sym == _input_id) { \
                                                if (!(input->active_keys & _key)) input->pressed_keys |= _key; \
                                                input->active_keys |= _key; \
                                            }       
 
#define HANDLE_KEY_RELEASED(_input_id, _key)  if (event.key.keysym.sym == _input_id) { \
                                                if ((input->active_keys & _key)) input->released_keys |= _key; \
                                                input->active_keys &= ~_key; \
                                            }
 
enum Keys {
    KEY_UP          = 1 << 0, 
    KEY_RIGHT       = 1 << 1, 
    KEY_DOWN        = 1 << 2, 
    KEY_LEFT        = 1 << 3, 
    KEY_JUMP        = 1 << 4, 
    KEY_CROUCH      = 1 << 5, 
    KEY_SPRINT      = 1 << 6, 
    KEY_MENU        = 1 << 7, 
    KEY_FLASHLIGHT  = 1 << 8, 
    KEY_VALIDATE    = 1 << 9, 
    KEY_INTERACT    = 1 << 10, 
    KEY_FULLSCREEN  = 1 << 11, 
    KEY_COUNT,      
};
 
typedef struct Mouse {
    s32 x; 
    s32 y; 
    s32 lastX; 
    s32 lastY; 
    s32 dx; 
    s32 dy; 
    s8 scroll_x; 
    s8 scroll_y; 
    u8 pressed_button; 
    u8 active_button; 
    u8 released_button; 
} Mouse;
 
typedef struct Input {
    bool locked; 
    u16 active_keys; 
    u16 pressed_keys; 
    u16 released_keys; 
    bool text_input; 
    char inputBuffer[100]; 
    Mouse mouse; 
} Input;
 
 
void default_input_settings();
 
void init_input(Input *input);
 
int update_input(Input *input);
 
#endif