--- a/map.h	Thu Jun 16 17:53:40 2005 +0000
+++ b/map.h	Thu Jun 16 18:04:02 2005 +0000
@@ -48,6 +48,13 @@
 	INVALID_TILE = (uint32) -1
 };
 
+enum {
+	TILE_SIZE   = 16,   /* Tiles are 16x16 "units" in size */
+	TILE_PIXELS = 32,   /* a tile is 32x32 pixels */
+	TILE_HEIGHT = 8,    /* The standard height-difference between tiles on two levels is 8 (z-diff 8) */
+};
+
+
 static inline uint TileX(TileIndex tile)
 {
 	return tile & MapMaxX();