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/* date = October 4th 2025 11:46 am */
#ifndef GAME_H
#define GAME_H
//- Macro's
#define Assert(Expression) do { if(!(Expression)) { *(psize *)((psize)-1) = 0; } } while(0)
//~ Types
// TODO: figure out how to get those from javascript, because they are going to be different in WASM64
#include <stddef.h>
#include <stdint.h>
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef float r32;
typedef s32 b32;
typedef u32 rune;
typedef size_t psize;
#define true 1
#define false 0
#define local_persist static
#define global static
#define internal static
struct string
{
psize Count;
u8 *Data;
};
struct memory_arena
{
psize Used;
psize Size;
void *Base;
};
void
InitializeArena(memory_arena *Arena, psize Size, void *Base)
{
Arena->Size = Size;
Arena->Base = (u8 *)Base;
Arena->Used = 0;
}
#define PushStruct(Arena, type) ((type *)PushSize((Arena), (sizeof(type))))
#define PushArray(Arena, Count, type) (type *)PushSize((Arena), (sizeof(type))*(Count))
void *
PushSize(memory_arena *Arena, psize Size)
{
Assert((Arena->Used + Size) < Arena->Size);
void *Result = ((u8 *)Arena->Base + Arena->Used);
Arena->Used += Size;
return Result;
}
struct game_offscreen_buffer
{
u8 *Memory;
s32 Width;
s32 Height;
s32 Pitch;
s32 BytesPerPixel;
};
#endif //GAME_H
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