added startScript()

src/lua/Manager.cpp

@@ -10,10 +10,21 @@ void LuaManager::init() {
     lua_State *L = luaL_newstate();
     luaL_openlibs(L);
 
-    if (luaL_dostring(L, "print(\"Hello from Lua!\")")) {
+static LuaThread *startScript(const char *script) {
+    lua_State *L = lua_newthread(globalState);
+    LuaThread *T = new LuaThread(L, luaL_ref(L, LUA_REGISTRYINDEX));
+
+    if (luaL_dostring(L, script)) {
       std::cout << "Lua error: " << lua_tostring(L, -1) << std::endl;
       lua_pop(L, 1);
     }
 
-    globalState = L;
+    return T;
+}
+
+void LuaManager::init() {
+    globalState = luaL_newstate();
+    luaL_openlibs(globalState);
+
+    delete startScript("print(\"Hello from Lua!\")");
 }

src/lua/Thread.hpp

@@ -11,4 +11,7 @@ struct LuaThread {
     int ref;
 
     LuaThread(lua_State *L, int ref) : L(L), ref(ref) {}
+    ~LuaThread() {
+        luaL_unref(L, LUA_REGISTRYINDEX, ref);
+    }
 };