event.h

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#pragma once
 
#include <kiba/defines.h>
 
typedef struct event_context {
    union {
        i64  i64[2];
        u64  u64[2];
        i32  i32[4];
        u32  u32[4];
        i16  i16[8];
        u16  u16[8];
        i8   i8[16];
        u8   u8[16];
        f64  f64[2];
        f32  f32[4];
        char c[16];
    } data;
} event_context;
 
typedef enum engine_event_code {
    EVENT_CODE_APPLICATION_QUIT,
    EVENT_CODE_KEY_PRESSED,
    EVENT_CODE_KEY_RELEASED,
    EVENT_CODE_MOUSE_MOVED,
    EVENT_CODE_MOUSE_WHEEL,
    EVENT_CODE_WINDOW_RESIZE,
    EVENT_CODE_WINDOW_MINIMIZED,
    EVENT_CODE_WINDOW_RAISED,
    ENGINE_EVENT_CODE_MAX = 0x00FF,
    APPLICATION_EVENT_CODE_MAX = 0xFFFF
} engine_event_code;
 
typedef b8 (*on_event_function)(u16 event_code, void *sender, void *listener, event_context context);
 
b8 event_initialize(void);
 
void event_shutdown(void);
 
KB_API b8 event_register(u16 event_code, void *listener, on_event_function on_event, b8 append);
 
KB_API b8 event_unregister(u16 event_code, void *listener, on_event_function on_event);
 
KB_API b8 event_fire(u16 event_code, void *sender, event_context context);