mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-11 13:10:45 +00:00
5e413c9dcd
Only discard sprite zoom levels when a suitable higher zoom level is defined in the same colour mode This is to avoid placeholder or empty sprites being used, causing visual artefacts
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*
|
|
* 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"
|
|
#include "spriteloader/spriteloader.hpp"
|
|
|
|
/** Data structure describing a sprite. */
|
|
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.
|
|
};
|
|
|
|
enum SpriteCacheCtrlFlags {
|
|
SCCF_ALLOW_ZOOM_MIN_1X_PAL = 0, ///< Allow use of sprite min zoom setting at 1x in palette mode.
|
|
SCCF_ALLOW_ZOOM_MIN_1X_32BPP = 1, ///< Allow use of sprite min zoom setting at 1x in 32bpp mode.
|
|
SCCF_ALLOW_ZOOM_MIN_2X_PAL = 2, ///< Allow use of sprite min zoom setting at 2x in palette mode.
|
|
SCCF_ALLOW_ZOOM_MIN_2X_32BPP = 3, ///< Allow use of sprite min zoom setting at 2x in 32bpp mode.
|
|
};
|
|
|
|
extern uint _sprite_cache_size;
|
|
|
|
typedef void *AllocatorProc(size_t size);
|
|
|
|
void *SimpleSpriteAlloc(size_t size);
|
|
void *GetRawSprite(SpriteID sprite, SpriteType type, AllocatorProc *allocator = nullptr, SpriteEncoder *encoder = nullptr);
|
|
bool SpriteExists(SpriteID sprite);
|
|
|
|
SpriteType GetSpriteType(SpriteID sprite);
|
|
SpriteFile *GetOriginFile(SpriteID sprite);
|
|
uint32 GetSpriteLocalID(SpriteID sprite);
|
|
uint GetSpriteCountForFile(const std::string &filename, SpriteID begin, SpriteID end);
|
|
uint GetMaxSpriteID();
|
|
|
|
|
|
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 GfxClearSpriteCache();
|
|
void IncreaseSpriteLRU();
|
|
|
|
SpriteFile &OpenCachedSpriteFile(const std::string &filename, Subdirectory subdir, bool palette_remap);
|
|
|
|
void ReadGRFSpriteOffsets(SpriteFile &file);
|
|
size_t GetGRFSpriteOffset(uint32 id);
|
|
bool LoadNextSprite(int load_index, SpriteFile &file, uint file_sprite_id);
|
|
bool SkipSpriteData(SpriteFile &file, byte type, uint16 num);
|
|
void DupSprite(SpriteID old_spr, SpriteID new_spr);
|
|
|
|
#endif /* SPRITECACHE_H */
|