diff --git a/stepmania/src/Actor.cpp b/stepmania/src/Actor.cpp
index 60b6dfb13f..14a126e4e8 100644
--- a/stepmania/src/Actor.cpp
+++ b/stepmania/src/Actor.cpp
@@ -113,6 +113,17 @@ static bool GetMessageNameFromCommandName( const RString &sCommandName, RString
 Actor::Actor()
 {
 	m_pLuaInstance = new LuaClass;
+	Lua *L = LUA->Get();
+		m_pLuaInstance->PushSelf( L );
+		lua_pushstring( L, "ctx" );
+		lua_newtable( L );
+		lua_pushvalue( L, -1 );
+		lua_setmetatable( L, -2 );
+		lua_settable( L, -3 );
+		lua_pop( L, 1 );
+	LUA->Release( L );
+
+
 	m_size = RageVector2( 1, 1 );
 	InitDefaults();
 	m_bFirstUpdate = true;
@@ -1251,6 +1262,29 @@ void Actor::PlayCommand( const RString &sCommandName, Actor *pParent )
 		RunCommands( *pCmd );
 }
 
+void Actor::PushContext( lua_State *L )
+{
+	// self.ctx should already exist
+	m_pLuaInstance->PushSelf( L );
+	lua_pushstring( L, "ctx" );
+	lua_gettable( L, -2 );
+	lua_replace( L, -2 );
+}
+
+void Actor::SetParent( Actor *pParent )
+{
+	Lua *L = LUA->Get();
+		int iTop = lua_gettop( L );
+
+		this->PushContext( L );
+		lua_pushstring( L, "__index" );
+		pParent->PushContext( L );
+		lua_settable( L, -3 );
+
+		lua_settop( L, iTop );
+	LUA->Release( L );
+}
+
 void Actor::HandleMessage( const RString& sMessage )
 {
 	PlayCommand( sMessage );
diff --git a/stepmania/src/Actor.h b/stepmania/src/Actor.h
index 9cb9bac35b..8006d5954f 100644
--- a/stepmania/src/Actor.h
+++ b/stepmania/src/Actor.h
@@ -328,6 +328,7 @@ public:
 	// Lua
 	//
 	virtual void PushSelf( lua_State *L );
+	virtual void PushContext( lua_State *L );
 
 	//
 	// Commands
@@ -341,6 +342,8 @@ public:
 	// If we're a leaf, then execute this command.
 	virtual void RunCommandsOnLeaves( const LuaReference& cmds, Actor *pParent = NULL ) { RunCommands(cmds,pParent); }
 
+	void SetParent( Actor *pParent );
+
 	//
 	// Messages
 	//