1 #ifndef SPRITE_H

     2 #define SPRITE_H

     3 

     4 

     5 /* The following describes bunch of sprites to be drawn together in a single 3D

     6  * bounding box. Used especially for various multi-sprite buildings (like

     7  * depots or stations): */

     8 

     9 typedef struct DrawTileSeqStruct {

    10 	int8 delta_x;

    11 	int8 delta_y;

    12 	int8 delta_z;

    13 	byte width,height;

    14 	byte unk; // 'depth', just z-size; TODO: rename

    15 	uint32 image;

    16 } DrawTileSeqStruct;

    17 

    18 typedef struct DrawTileSprites {

    19 	SpriteID ground_sprite;

    20 	DrawTileSeqStruct const *seq;

    21 } DrawTileSprites;

    22 

    23 #define foreach_draw_tile_seq(idx, list) for (idx = list; ((byte) idx->delta_x) != 0x80; idx++)

    24 

    25 

    26 /* This is for custom sprites: */

    27 

    28 struct SpriteGroup {

    29 	// XXX: Would anyone ever need more than 16 spritesets? Maybe we should

    30 	// use even less, now we take whole 8kb for custom sprites table, oh my!

    31 	byte sprites_per_set; // means number of directions - 4 or 8

    32 

    33 	// Loaded = in motion, loading = not moving

    34 	// Each group contains several spritesets, for various loading stages

    35 

    36 	// XXX: For stations the meaning is different - loaded is for stations

    37 	// with small amount of cargo whilst loading is for stations with a lot

    38 	// of da stuff.

    39 

    40 	byte loaded_count;

    41 	uint16 loaded[16]; // sprite ids

    42 	byte loading_count;

    43 	uint16 loading[16]; // sprite ids

    44 };

    45 

    46 #endif