Robustified code with respect to insertion failures.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/scripting/lua.cpp b/src/scripting/lua.cpp
index f33393a5..048bc6f0 100644
--- a/src/scripting/lua.cpp
+++ b/src/scripting/lua.cpp
@@ -178,7 +178,10 @@ static int LuaNpc_Create(lua_State *s)
     }
     q->setMap(m);
     q->setPosition(Point(lua_tointeger(s, 2), lua_tointeger(s, 3)));
-    GameState::insert(q);
+    bool b = GameState::insert(q);
+    /* Do not try to deal with a failure there. There are some serious issues
+       if an insertion failed on an almost empty map. */
+    assert(b); (void)b;
     lua_pushlightuserdata(s, q);
     return 1;
 }