[GameState] Added GetStageResult(pn) Lua binding.

Docs/Changelog_sm5.txt

@@ -9,6 +9,14 @@ ________________________________________________________________________________
 StepMania 5.0 alpha 2 | 201203??
 --------------------------------------------------------------------------------
 
+2012/03/28
+----------
+* [ScoreKeeperRave] Actually handle hold scores in HandleHoldScore().
+  Players should please provide feedback on how this affects gameplay, as this
+  is a temporary feature. [AJ]
+* [GameConstantsAndTypes] Made StageResult Lua-aware. [AJ]
+* [GameState] Added GetStageResult(pn) Lua binding. [AJ]
+
 2012/03/27
 ----------
 * [ScreenEditMenu] Don't hardcode stopping the music on pressing the back button.

src/GameState.cpp

@@ -2339,6 +2339,12 @@ public:
 		p->m_SongOptions.Assign( m, so );
 		return 0;
 	}
+	static int GetStageResult( T* p, lua_State *L )
+	{
+		PlayerNumber pn = Enum::Check<PlayerNumber>(L, 1);
+		LuaHelpers::Push( L, p->GetStageResult(pn) );
+		return 1;
+	}
 	static int IsWinner( T* p, lua_State *L )
 	{
 		PlayerNumber pn = Enum::Check<PlayerNumber>(L, 1);
@@ -2552,6 +2558,7 @@ public:
 		ADD_METHOD( ApplyStageModifiers );
 		ADD_METHOD( ClearStageModifiersIllegalForCourse );
 		ADD_METHOD( SetSongOptions );
+		ADD_METHOD( GetStageResult );
 		ADD_METHOD( IsWinner );
 		ADD_METHOD( IsDraw );
 		ADD_METHOD( GetCurrentGame );