struct Sprite {

	uint16 height; ///< Height of the sprite.

	uint16 width;  ///< Width of the sprite.

	int16 x_offs;  ///< Number of pixels to shift the sprite to the right.

	int16 y_offs;  ///< Number of pixels to shift the sprite downwards.

	byte data[];   ///< Sprite data.

};

extern uint _sprite_cache_size;

typedef void *AllocatorProc(size_t size);

void *GetRawSprite(SpriteID sprite, SpriteType type, AllocatorProc *allocator = nullptr, SpriteEncoder *encoder = nullptr);

bool SpriteExists(SpriteID sprite);

SpriteType GetSpriteType(SpriteID sprite);

uint GetOriginFileSlot(SpriteID sprite);

uint32 GetSpriteLocalID(SpriteID sprite);

uint GetSpriteCountForSlot(uint file_slot, SpriteID begin, SpriteID end);

uint GetMaxSpriteID();

static inline const Sprite *GetSprite(SpriteID sprite, SpriteType type)

{