# HG changeset patch
# User tron <tron@openttd.org>
# Date 1117838639 0
# Node ID 409022207f1621cb465541a91e595b8bf5a1ff0b
# Parent  317af46083dd408fbddee9c5782b2db8db8f9986
(svn r2404) assert that GetTileOwner() isn't called for tiles, which don't store owner information

diff --git a/tile.h b/tile.h
--- a/tile.h
+++ b/tile.h
@@ -81,6 +81,10 @@
 static inline Owner GetTileOwner(TileIndex tile)
 {
 	assert(tile < MapSize());
+	assert(!IsTileType(tile, MP_HOUSE));
+	assert(!IsTileType(tile, MP_VOID));
+	assert(!IsTileType(tile, MP_INDUSTRY));
+
 	return _map_owner[tile];
 }