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Location: cpp/openttd-patchpack/source/src/spritecache.h - annotation
r13045:7c230dedffc5
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text/x-c
(svn r17553) -Update: some documentation about the callbacks
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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file spritecache.h Functions to cache sprites in memory. */
#ifndef SPRITECACHE_H
#define SPRITECACHE_H
#include "gfx_type.h"
/** Data structure describing a sprite. */
struct Sprite {
byte 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;
void *GetRawSprite(SpriteID sprite, SpriteType type);
bool SpriteExists(SpriteID sprite);
static inline const Sprite *GetSprite(SpriteID sprite, SpriteType type)
{
assert(type != ST_RECOLOUR);
return (Sprite*)GetRawSprite(sprite, type);
}
static inline const byte *GetNonSprite(SpriteID sprite, SpriteType type)
{
assert(type == ST_RECOLOUR);
return (byte*)GetRawSprite(sprite, type);
}
void GfxInitSpriteMem();
void IncreaseSpriteLRU();
bool LoadNextSprite(int load_index, byte file_index, uint file_sprite_id);
void DupSprite(SpriteID old_spr, SpriteID new_spr);
#endif /* SPRITECACHE_H */
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