1 files changed, 45 insertions, 0 deletions
diff --git a/src/sprite.h b/src/sprite.h
new file mode 100644
index 000000000..9dca01a66
--- /dev/null
+++ b/src/sprite.h
@@ -0,0 +1,45 @@
+/* $Id$ */
+
+#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;
+	uint32 image;
+} DrawTileSeqStruct;
+
+typedef struct DrawTileSprites {
+	SpriteID ground_sprite;
+	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 {
+	SpriteID ground;
+	SpriteID 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 */