Fixed an issue where a huge number of disabled addons could make the game crash on start

game/engines/default/engine/Module.lua

@@ -336,6 +336,7 @@ function _M:listBackgrounds(mod)
 			if fs.exists(dir.."/boot-screen/init.lua") then
 				load(dir, nil)
 			elseif short_name:find(".teaa$") or short_name:find(".teaac$") then
+				print("=====real", dir)
 				fs.mount(fs.getRealPath(dir), "/testload", false)
 				local mod
 				if fs.exists("/testload/boot-screen/init.lua") then

src/wait.c

@@ -77,7 +77,8 @@ bool draw_waiting(lua_State *L)
 	if (wait_draw_ref != LUA_NOREF)
 	{
 		lua_rawgeti(L, LUA_REGISTRYINDEX, wait_draw_ref);
-		lua_call(L, 0, 0);
+		if (lua_isfunction(L, -1)) lua_call(L, 0, 0);
+		else lua_pop(L, 1);
 	}
 	else draw_last_frame(L);