--- a/newgrf.c	Sun Aug 06 01:51:57 2006 +0000
+++ b/newgrf.c	Sun Aug 06 08:23:19 2006 +0000
@@ -862,9 +862,9 @@
 						if ((byte) dtss->delta_x == 0x80) break;
 						dtss->delta_y = grf_load_byte(&buf);
 						dtss->delta_z = grf_load_byte(&buf);
-						dtss->width = grf_load_byte(&buf);
-						dtss->height = grf_load_byte(&buf);
-						dtss->unk = grf_load_byte(&buf);
+						dtss->size_x = grf_load_byte(&buf);
+						dtss->size_y = grf_load_byte(&buf);
+						dtss->size_z = grf_load_byte(&buf);
 						dtss->image = grf_load_dword(&buf);
 
 						/* Remap flags as ours collide */

--- a/rail_cmd.c	Sun Aug 06 01:51:57 2006 +0000
+++ b/rail_cmd.c	Sun Aug 06 08:23:19 2006 +0000
@@ -1382,8 +1382,8 @@
 			AddSortableSpriteToDraw(
 				image,
 				ti->x + dtss->delta_x, ti->y + dtss->delta_y,
-				dtss->width, dtss->height,
-				dtss->unk, ti->z + dtss->delta_z
+				dtss->size_x, dtss->size_y,
+				dtss->size_z, ti->z + dtss->delta_z
 			);
 		}
 	}

--- a/sprite.h	Sun Aug 06 01:51:57 2006 +0000
+++ b/sprite.h	Sun Aug 06 08:23:19 2006 +0000
@@ -12,8 +12,9 @@
 	int8 delta_x; // 0x80 is sequence terminator
 	int8 delta_y;
 	int8 delta_z;
-	byte width,height;
-	byte unk; // 'depth', just z-size; TODO: rename
+	byte size_x;
+	byte size_y;
+	byte size_z;
 	uint32 image;
 } DrawTileSeqStruct;
 

--- a/station_cmd.c	Sun Aug 06 01:51:57 2006 +0000
+++ b/station_cmd.c	Sun Aug 06 08:23:19 2006 +0000
@@ -2119,7 +2119,12 @@
 		}
 
 		if ((byte)dtss->delta_z != 0x80) {
-			AddSortableSpriteToDraw(image, ti->x + dtss->delta_x, ti->y + dtss->delta_y, dtss->width, dtss->height, dtss->unk, ti->z + dtss->delta_z);
+			AddSortableSpriteToDraw(
+				image,
+				ti->x + dtss->delta_x, ti->y + dtss->delta_y,
+				dtss->size_x, dtss->size_y,
+				dtss->size_z, ti->z + dtss->delta_z
+			);
 		} else {
 			AddChildSpriteScreen(image, dtss->delta_x, dtss->delta_y);
 		}

--- a/unmovable_cmd.c	Sun Aug 06 01:51:57 2006 +0000
+++ b/unmovable_cmd.c	Sun Aug 06 08:23:19 2006 +0000
@@ -165,8 +165,10 @@
 					image |= ormod;
 				}
 				AddSortableSpriteToDraw(
-					image, ti->x + dtss->delta_x, ti->y + dtss->delta_y,
-					dtss->width, dtss->height, dtss->unk, ti->z + dtss->delta_z
+					image,
+					ti->x + dtss->delta_x, ti->y + dtss->delta_y,
+					dtss->size_x, dtss->size_y,
+					dtss->size_z, ti->z + dtss->delta_z
 				);
 			}
 			break;