OpenTTD-patches/sprite.h

47 lines
1.3 KiB
C

#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;
int8 delta_y;
int8 delta_z;
byte width,height;
byte unk; // 'depth', just z-size; TODO: rename
uint32 image;
} DrawTileSeqStruct;
typedef struct DrawTileSprites {
SpriteID ground_sprite;
DrawTileSeqStruct const *seq;
} DrawTileSprites;
#define foreach_draw_tile_seq(idx, list) for (idx = list; ((byte) idx->delta_x) != 0x80; idx++)
/* This is for custom sprites: */
struct SpriteGroup {
// XXX: Would anyone ever need more than 16 spritesets? Maybe we should
// use even less, now we take whole 8kb for custom sprites table, oh my!
byte sprites_per_set; // means number of directions - 4 or 8
// Loaded = in motion, loading = not moving
// Each group contains several spritesets, for various loading stages
// XXX: For stations the meaning is different - loaded is for stations
// with small amount of cargo whilst loading is for stations with a lot
// of da stuff.
byte loaded_count;
uint16 loaded[16]; // sprite ids
byte loading_count;
uint16 loading[16]; // sprite ids
};
#endif