Functions to cache sprites in memory. More...
#include "gfx_type.h"
Go to the source code of this file.
Data Structures | |
struct | Sprite |
Typedefs | |
typedef void * | AllocatorProc (size_t size) |
Functions | |
void * | GetRawSprite (SpriteID sprite, SpriteType type, AllocatorProc *allocator=NULL) |
Reads a sprite (from disk or sprite cache). | |
bool | SpriteExists (SpriteID sprite) |
SpriteType | GetSpriteType (SpriteID sprite) |
Get the sprite type of a given sprite. | |
uint | GetOriginFileSlot (SpriteID sprite) |
Get the (FIOS) file slot of a given sprite. | |
uint | GetMaxSpriteID () |
Get a reasonable (upper bound) estimate of the maximum SpriteID used in OpenTTD; there will be no sprites with a higher SpriteID, although there might be up to roughly a thousand unused SpriteIDs below this number. | |
static const Sprite * | GetSprite (SpriteID sprite, SpriteType type) |
static const byte * | GetNonSprite (SpriteID sprite, SpriteType type) |
void | GfxInitSpriteMem () |
void | IncreaseSpriteLRU () |
bool | LoadNextSprite (int load_index, byte file_index, uint file_sprite_id) |
bool | SkipSpriteData (byte type, uint16 num) |
Skip the given amount of sprite graphics data. | |
void | DupSprite (SpriteID old_spr, SpriteID new_spr) |
Variables | |
uint | _sprite_cache_size |
Functions to cache sprites in memory.
Definition in file spritecache.h.
uint GetMaxSpriteID | ( | ) |
Get a reasonable (upper bound) estimate of the maximum SpriteID used in OpenTTD; there will be no sprites with a higher SpriteID, although there might be up to roughly a thousand unused SpriteIDs below this number.
Definition at line 181 of file spritecache.cpp.
Referenced by SpriteAlignerWindow::OnClick(), and SpriteAlignerWindow::OnQueryTextFinished().
uint GetOriginFileSlot | ( | SpriteID | sprite | ) |
Get the (FIOS) file slot of a given sprite.
sprite | The sprite to look at. |
Definition at line 167 of file spritecache.cpp.
Referenced by SpriteAlignerWindow::SetStringParameters().
void* GetRawSprite | ( | SpriteID | sprite, | |
SpriteType | type, | |||
AllocatorProc * | allocator | |||
) |
Reads a sprite (from disk or sprite cache).
If the sprite is not available or of wrong type, a fallback sprite is returned.
sprite | Sprite to read. | |
type | Expected sprite type. | |
allocator | Allocator function to use. Set to NULL to use the usual sprite cache. |
Definition at line 659 of file spritecache.cpp.
References DEBUG, HandleInvalidSpriteRequest(), ReadSprite(), ST_INVALID, ST_MAPGEN, and SpriteCache::type.
Referenced by HandleInvalidSpriteRequest().
SpriteType GetSpriteType | ( | SpriteID | sprite | ) |
Get the sprite type of a given sprite.
sprite | The sprite to look at. |
Definition at line 156 of file spritecache.cpp.
References ST_INVALID, and SpriteCache::type.
Referenced by SpriteAlignerWindow::OnClick(), and SpriteAlignerWindow::OnQueryTextFinished().
bool SkipSpriteData | ( | byte | type, | |
uint16 | num | |||
) |
Skip the given amount of sprite graphics data.
type | the type of sprite (compressed etc) | |
num | the amount of sprites to skip |
Definition at line 98 of file spritecache.cpp.
Referenced by ReadSpriteHeaderSkipData().