From aa279e07e2e06335b3dfc7af9ea1f1f530f0f1ba Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 24 Feb 2005 20:04:46 +0000
Subject: [PATCH] lua

---
 stepmania/src/MessageManager.cpp | 35 ++++++++++++++++++++++++++++++++
 stepmania/src/MessageManager.h   |  5 +++++
 2 files changed, 40 insertions(+)

diff --git a/stepmania/src/MessageManager.cpp b/stepmania/src/MessageManager.cpp
index 5ef95a2088..c1d240b1b6 100644
--- a/stepmania/src/MessageManager.cpp
+++ b/stepmania/src/MessageManager.cpp
@@ -59,6 +59,41 @@ void MessageManager::Broadcast( const CString& sMessage )
 	}
 }
 
+// lua start
+#include "LuaBinding.h"
+
+template<class T>
+class LunaMessageManager: public Luna<T>
+{
+public:
+	LunaMessageManager() { LUA->Register( Register ); }
+
+	static int Broadcast( T* p, lua_State *L )
+	{
+		p->Broadcast( SArg(1) );
+		return 0;
+	}
+
+	static void Register(lua_State *L)
+	{
+		ADD_METHOD( Broadcast )
+		Luna<T>::Register( L );
+
+		// Add global singleton if constructed already.  If it's not constructed yet,
+		// then we'll register it later when we reinit Lua just before 
+		// initializing the display.
+		if( MESSAGEMAN )
+		{
+			lua_pushstring(L, "MESSAGEMAN");
+			MESSAGEMAN->PushSelf( LUA->L );
+			lua_settable(L, LUA_GLOBALSINDEX);
+		}
+	}
+};
+
+LUA_REGISTER_CLASS( MessageManager )
+// lua end
+
 /*
  * (c) 2003-2004 Chris Danford
  * All rights reserved.
diff --git a/stepmania/src/MessageManager.h b/stepmania/src/MessageManager.h
index de36960db3..24898cfb77 100644
--- a/stepmania/src/MessageManager.h
+++ b/stepmania/src/MessageManager.h
@@ -12,6 +12,8 @@ public:
 	virtual void HandleMessage( const CString& sMessage ) = 0;
 };
 
+struct lua_State;
+
 enum Message
 {
 	MESSAGE_CURRENT_SONG_CHANGED,
@@ -43,6 +45,9 @@ public:
 	void Unsubscribe( IMessageSubscriber* pSubscriber, Message m );
 	void Broadcast( const CString& sMessage );
 
+	// Lua
+	void PushSelf( lua_State *L );
+
 private:
 	typedef set<IMessageSubscriber*> SubscribersSet;
 	map<CString,SubscribersSet> m_MessageToSubscribers;