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#ifndef KITATLAS_H
#define KITATLAS_H
#include <stdbool.h>
#include <SDL2/SDL_rect.h>
#include <SDL2/SDL_surface.h>
#include <SDL2/SDL_render.h>
#include "kitchensink/kitconfig.h"
typedef struct Kit_TextureAtlasItem {
int cur_shelf; //< Current shelf number in cache
int cur_slot; //< Current slot on shelf in cache
bool is_copied; //< Is copied to cache surface
SDL_Rect source; //< Source coordinates on cache surface
SDL_Rect target; //< Target coordinates on output surface
SDL_Surface *surface; //< Current item surface
} Kit_TextureAtlasItem;
typedef struct Kit_Shelf {
uint16_t width;
uint16_t height;
uint16_t count;
} Kit_Shelf;
typedef struct Kit_TextureAtlas {
int cur_items; //< Current items count
int max_items; //< Maximum items count
int max_shelves; //< Maximum shelf count
int border; //< Cleared border between atlas items in texture
int w; //< Current atlas width
int h; //< Current atlas height
Kit_TextureAtlasItem *items; //< Cached items
Kit_Shelf *shelves; //< Atlas shelves
} Kit_TextureAtlas;
KIT_LOCAL Kit_TextureAtlas* Kit_CreateAtlas(int w, int h);
KIT_LOCAL void Kit_FreeAtlas(Kit_TextureAtlas *atlas);
KIT_LOCAL void Kit_RefreshAtlas(Kit_TextureAtlas *atlas, double current_pts);
KIT_LOCAL void Kit_ClearAtlasContent(Kit_TextureAtlas *atlas);
KIT_LOCAL int Kit_UpdateAtlasTexture(Kit_TextureAtlas *atlas, SDL_Texture *texture);
KIT_LOCAL int Kit_GetAtlasItems(const Kit_TextureAtlas *atlas, SDL_Rect *sources, SDL_Rect *targets, int limit);
KIT_LOCAL int Kit_AddAtlasItem(Kit_TextureAtlas *atlas, SDL_Surface *surface, const SDL_Rect *target);
#endif // KITATLAS_H
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