add character bindings to remove special cases in ScreenStage

stepmania/src/Character.cpp

@@ -163,6 +163,26 @@ bool Character::Has2DElems()
 	return false;
 }
 
+// lua start
+#include "LuaBinding.h"
+
+template<class T>
+class LunaCharacter : public Luna<T>
+{
+public:
+	LunaCharacter() { LUA->Register( Register ); }
+
+	static int GetStageIconPath( T* p, lua_State *L )	{ lua_pushstring(L, p->GetStageIconPath() ); return 1; }
+	static void Register( Lua *L )
+	{
+		ADD_METHOD( GetStageIconPath )
+		Luna<T>::Register( L );
+	}
+};
+
+LUA_REGISTER_CLASS( Character )
+// lua end
+
 /*
  * (c) 2003 Chris Danford
  * All rights reserved.

stepmania/src/Character.h

@@ -4,6 +4,8 @@
 #define Character_H
 
 #include "GameConstantsAndTypes.h"
+struct lua_State;
+typedef lua_State Lua;
 
 
 class Character
@@ -25,6 +27,10 @@ public:
 	CString GetStageIconPath() const;
 	bool Has2DElems();
 
+	//
+	// Lua
+	//
+	virtual void PushSelf( Lua *L );
 
 	CString m_sCharDir;
 	CString m_sName;

stepmania/src/GameState.cpp

@@ -2059,6 +2059,16 @@ public:
 	}
 	static int GetPreferredDifficulty( T* p, lua_State *L )	{ lua_pushnumber(L, p->m_PreferredDifficulty[IArg(1)] ); return 1; }
 	static int AnyPlayerHasRankingFeats( T* p, lua_State *L )	{ lua_pushboolean(L, p->AnyPlayerHasRankingFeats() ); return 1; }
+	static int GetCharacter( T* p, lua_State *L )
+	{
+		Character *pCharacter = p->m_pCurCharacters[IArg(1)];
+		if( pCharacter != NULL )
+			pCharacter->PushSelf( L );
+		else
+			lua_pushnil( L );
+
+		return 1;
+	}
 	static int IsCourseMode( T* p, lua_State *L )			{ lua_pushboolean(L, p->IsCourseMode() ); return 1; }
 	static int IsDemonstration( T* p, lua_State *L )		{ lua_pushboolean(L, p->m_bDemonstrationOrJukebox ); return 1; }
 	static int GetPlayMode( T* p, lua_State *L )			{ lua_pushnumber(L, p->m_PlayMode ); return 1; }
@@ -2111,6 +2121,7 @@ public:
 		ADD_METHOD( GetEditSourceSteps )
 		ADD_METHOD( GetPreferredDifficulty )
 		ADD_METHOD( AnyPlayerHasRankingFeats )
+		ADD_METHOD( GetCharacter )
 		ADD_METHOD( IsCourseMode )
 		ADD_METHOD( IsDemonstration )
 		ADD_METHOD( GetPlayMode )