OpenTTD-patches/src/sprite.h
peter1138 92d418b031 (svn r8128) -Codechange: Split sprite and palette remap into separate 32 bit values.
This lets us increase the sprite width from 14 to up to 29 bits, 
effectively nulling the old sprite limit. Table changes in next commit.
2007-01-14 19:57:49 +00:00

48 lines
1.1 KiB
C

/* $Id$ */
#ifndef SPRITE_H
#define SPRITE_H
/* The following describes bunch of sprites to be drawn together in a single 3D
* bounding box. Used especially for various multi-sprite buildings (like
* depots or stations): */
typedef struct DrawTileSeqStruct {
int8 delta_x; // 0x80 is sequence terminator
int8 delta_y;
int8 delta_z;
byte size_x;
byte size_y;
byte size_z;
SpriteID image;
SpriteID pal;
} DrawTileSeqStruct;
typedef struct DrawTileSprites {
SpriteID ground_sprite;
SpriteID ground_pal;
const DrawTileSeqStruct* seq;
} DrawTileSprites;
/**
* This structure is the same for both Industries and Houses.
* Buildings here reference a general type of construction
*/
typedef struct DrawBuildingsTileStruct {
PalSpriteID ground;
PalSpriteID building;
byte subtile_x:4;
byte subtile_y:4;
byte width:4;
byte height:4;
byte dz;
byte draw_proc; /* this allows to specify a special drawing procedure.*/
} DrawBuildingsTileStruct;
// Iterate through all DrawTileSeqStructs in DrawTileSprites.
#define foreach_draw_tile_seq(idx, list) for (idx = list; ((byte) idx->delta_x) != 0x80; idx++)
#endif /* SPRITE_H */