From 8f229918ee4c6c410dc500877a3e23535047b35c Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Mon, 28 Feb 2005 07:06:29 +0000
Subject: [PATCH] lua

---
 stepmania/src/ScreenManager.cpp | 31 +++++++++++++++++++++++++++++++
 stepmania/src/ScreenManager.h   |  4 ++++
 2 files changed, 35 insertions(+)

diff --git a/stepmania/src/ScreenManager.cpp b/stepmania/src/ScreenManager.cpp
index 5b40cbe666..a4fbd9bf0f 100644
--- a/stepmania/src/ScreenManager.cpp
+++ b/stepmania/src/ScreenManager.cpp
@@ -641,6 +641,37 @@ void ScreenManager::PlaySharedBackgroundOffCommand()
 	m_pSharedBGA->PlayCommand("Off");
 }
 
+// lua start
+#include "LuaBinding.h"
+
+template<class T>
+class LunaScreenManager: public Luna<T>
+{
+public:
+	LunaScreenManager() { LUA->Register( Register ); }
+
+	static int SetNewScreen( T* p, lua_State *L )		{ p->SetNewScreen( SArg(1) ); return 0; }
+
+	static void Register(lua_State *L)
+	{
+		ADD_METHOD( SetNewScreen )
+		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( SCREENMAN )
+		{
+			lua_pushstring(L, "SCREENMAN");
+			SCREENMAN->PushSelf( LUA->L );
+			lua_settable(L, LUA_GLOBALSINDEX);
+		}
+	}
+};
+
+LUA_REGISTER_CLASS( ScreenManager )
+// lua end
+
 /*
  * (c) 2001-2003 Chris Danford, Glenn Maynard
  * All rights reserved.
diff --git a/stepmania/src/ScreenManager.h b/stepmania/src/ScreenManager.h
index c38427e9d5..eb76e1b96a 100644
--- a/stepmania/src/ScreenManager.h
+++ b/stepmania/src/ScreenManager.h
@@ -15,6 +15,7 @@
 class Screen;
 struct Menu;
 class BGAnimation;
+struct lua_State;
 
 
 typedef Screen* (*CreateScreenFn)(const CString& sClassName);
@@ -62,6 +63,9 @@ public:
 
 	Screen *GetTopScreen();
 
+	// Lua
+	void PushSelf( lua_State *L );
+
 public:
 	//
 	// in draw order first to last