(svn r9367) -Fix (r9315): If a new house doesn't have a corresponding action 3, the

graphics for the substitute (original) house should be drawn instead.

src/newgrf.cpp

@@ -1256,6 +1256,7 @@ static bool TownHouseChangeInfo(uint hid, int numinfo, int prop, byte **bufp, in
 				housespec[i]->enabled = true;
 				housespec[i]->local_id = hid + i;
 				housespec[i]->substitute_id = subs_id;
+				housespec[i]->grffile = _cur_grffile;
 				housespec[i]->random_colour[0] = 0x04;  // those 4 random colours are the base colour
 				housespec[i]->random_colour[1] = 0x08;  // for all new houses
 				housespec[i]->random_colour[2] = 0x0C;  // they stand for red, blue, orange and green
@@ -2316,7 +2317,6 @@ static void FeatureMapSpriteGroup(byte *buf, int len)
 			}
 
 			hs->spritegroup = _cur_grffile->spritegroups[groupid];
-			hs->grffile = _cur_grffile;
 		}
 		return;
 	}

src/town_cmd.cpp

@@ -127,8 +127,15 @@ static void DrawTile_Town(TileInfo *ti)
 	HouseID house_id = GetHouseType(ti->tile);
 
 	if (house_id >= NEW_HOUSE_OFFSET) {
-		DrawNewHouseTile(ti, house_id);
-		return;
+		/* Houses don't necessarily need new graphics. If they don't have a
+		 * spritegroup associated with them, then the sprite for the substitute
+		 * house id is drawn instead. */
+		if (GetHouseSpecs(house_id)->spritegroup != NULL) {
+			DrawNewHouseTile(ti, house_id);
+			return;
+		} else {
+			house_id = GetHouseSpecs(house_id)->substitute_id;
+		}
 	}
 
 	/* Retrieve pointer to the draw town tile struct */