SAPI: Throw runtime error instead of if l_get_mapgen_object called in…

… incorrect thread
minetest · Oct 26, 2015 · d69ef6a · d69ef6a
1 parent 54f1267
commit d69ef6a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/script/lua_api/l_mapgen.cpp b/src/script/lua_api/l_mapgen.cpp
@@ -493,7 +493,7 @@ int ModApiMapgen::l_get_mapgen_object(lua_State *L)
 	EmergeManager *emerge = getServer(L)->getEmergeManager();
 	Mapgen *mg = emerge->getCurrentMapgen();
 	if (!mg)
-		return 0;
+		throw LuaError("Must only be called in a mapgen thread!");
 
 	size_t maplen = mg->csize.X * mg->csize.Z;