Allow specifying layout_chaotic_city material type from Lua

Previously this couldn't be done so materials would be random in Dis.

1 files changed, 2 insertions, 1 deletions

diff --git a/crawl-ref/source/cluautil.h b/crawl-ref/source/cluautil.h
index 66570149eb..e7d03813c7 100644
--- a/crawl-ref/source/cluautil.h
+++ b/crawl-ref/source/cluautil.h
@@ -142,7 +142,8 @@ void push_monster(lua_State *ls, monster* mons);
 void clua_push_item(lua_State *ls, item_def *item);
 item_def *clua_get_item(lua_State *ls, int ndx);
 void lua_push_floor_items(lua_State *ls, int link);
-dungeon_feature_type check_lua_feature(lua_State *ls, int idx);
+dungeon_feature_type check_lua_feature(lua_State *ls, int idx,
+                                       bool optional = false);
 tileidx_t get_tile_idx(lua_State *ls, int arg);
 level_id dlua_level_id(lua_State *ls, int ndx);
 void push_item(lua_State *ls, item_def *item);