RageColor::PushTable, RageColor::FromStack

This is PushTable and not PushSelf, to distinguish this from
the PushSelf used in other classes.  Classes that can PushSelf
actually push a reference to itself to Lua, but that's only
valid for objects with a lifetime; many RageColors are temporaries.

stepmania/src/RageTypes.cpp

@@ -0,0 +1,56 @@
+#include "global.h"
+#include "RageTypes.h"
+#include "LuaManager.h"
+
+void RageColor::PushTable( lua_State *L ) const
+{
+	lua_newtable( L );
+	int iTable = lua_gettop(L);
+
+	lua_pushnumber( L, r );
+	lua_rawseti( L, iTable, 1 );
+	lua_pushnumber( L, g );
+	lua_rawseti( L, iTable, 2 );
+	lua_pushnumber( L, b );
+	lua_rawseti( L, iTable, 3 );
+	lua_pushnumber( L, a );
+	lua_rawseti( L, iTable, 4 );
+}
+
+void RageColor::FromStack( lua_State *L, int iPos )
+{
+	lua_rawgeti( L, iPos, 1 );
+	r = lua_tonumber( L, -1 );
+	lua_rawgeti( L, iPos, 2 );
+	g = lua_tonumber( L, -1 );
+	lua_rawgeti( L, iPos, 3 );
+	b = lua_tonumber( L, -1 );
+	lua_rawgeti( L, iPos, 4 );
+	a = lua_tonumber( L, -1 );
+	lua_pop( L, 4 );
+}
+
+/*
+ * Copyright (c) 2006 Glenn Maynard
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */

stepmania/src/RageTypes.h

@@ -8,6 +8,7 @@ enum CullMode { CULL_BACK, CULL_FRONT, CULL_NONE };
 enum ZTestMode { ZTEST_OFF, ZTEST_WRITE_ON_PASS, ZTEST_WRITE_ON_FAIL };
 enum PolygonMode { POLYGON_FILL, POLYGON_LINE };
 
+struct lua_State;
 
 struct RageVector2
 {
@@ -154,6 +155,10 @@ public:
 		r=1; b=1; g=1; a=1;
 		return false;
 	}
+
+	void PushTable( lua_State *L ) const;
+	void FromStack( lua_State *L, int iPos );
+
 	float r, g, b, a;
 } SM_ALIGN(16);