add Lua bindings

stepmania/src/GameConstantsAndTypes.cpp

@@ -26,7 +26,7 @@ XToString( RadarCategory );
 XToThemedString( RadarCategory, NUM_RADAR_CATEGORIES );
 
 
-void LuaStepsType(lua_State* L)
+static void LuaStepsType(lua_State* L)
 {
 	FOREACH_StepsType( st )
 	{
@@ -50,7 +50,7 @@ static const CString PlayModeNames[NUM_PLAY_MODES] = {
 XToString( PlayMode );
 XToThemedString( PlayMode, NUM_PLAY_MODES );
 StringToX( PlayMode );
-void LuaPlayMode(lua_State* L)
+static void LuaPlayMode(lua_State* L)
 {
 	FOREACH_PlayMode( pm )
 	{
@@ -281,7 +281,7 @@ static const CString GoalTypeNames[NUM_GOAL_TYPES] = {
 };
 XToString( GoalType );
 StringToX( GoalType );
-void LuaGoalType(lua_State* L)
+static void LuaGoalType(lua_State* L)
 {
 	FOREACH_GoalType( gt )
 	{
@@ -302,7 +302,7 @@ static const CString EditMenuActionNames[NUM_EDIT_MENU_ACTIONS] = {
 };
 XToString( EditMenuAction );
 StringToX( EditMenuAction );
-void LuaEditMenuAction(lua_State* L)
+static void LuaEditMenuAction(lua_State* L)
 {
 	FOREACH_EditMenuAction( ema )
 	{

stepmania/src/GameState.cpp

@@ -1804,8 +1804,15 @@ public:
 	static int GetCurrentSong( T* p, lua_State *L )			{ if(p->m_pCurSong) p->m_pCurSong->PushSelf(L); else lua_pushnil(L); return 1; }
 	static int SetCurrentSong( T* p, lua_State *L )
 	{ 
-		if( lua_isnil(L,1) ) { p->m_pCurSong = NULL; }
+		if( lua_isnil(L,1) )
-		else { Song *pS = Luna<Song>::check(L,1); p->m_pCurSong = pS; }
+		{
+			p->m_pCurSong = NULL; 
+		}
+		else
+		{
+			Song *pS = Luna<Song>::check(L,1);
+			p->m_pCurSong = pS;
+		}
 		return 0;
 	}
 	static int GetCurrentSteps( T* p, lua_State *L )
@@ -1819,9 +1826,8 @@ public:
 	static int SetCurrentSteps( T* p, lua_State *L )
 	{ 
 		PlayerNumber pn = (PlayerNumber)IArg(1);
-		Steps *pSteps = p->m_pCurSteps[pn];  
 		if( lua_isnil(L,2) )	{ p->m_pCurSteps[pn] = NULL; }
-		else					{ Song *pS = Luna<Song>::check(L,2); p->m_pCurSteps[pn] = pS; }
+		else					{ Steps *pS = Luna<Steps>::check(L,2); p->m_pCurSteps[pn] = pS; }
 		return 0;
 	}
 	static int GetCurrentCourse( T* p, lua_State *L )		{ if(p->m_pCurCourse) p->m_pCurCourse->PushSelf(L); else lua_pushnil(L); return 1; }
@@ -1842,6 +1848,8 @@ public:
 		ADD_METHOD( ApplyGameCommand )
 		ADD_METHOD( GetCurrentSong )
 		ADD_METHOD( SetCurrentSong )
+		ADD_METHOD( GetCurrentSteps )
+		ADD_METHOD( SetCurrentSteps )
 		ADD_METHOD( GetCurrentCourse )
 		ADD_METHOD( SetCurrentCourse )
 		ADD_METHOD( SetTemporaryEventMode )

stepmania/src/SongManager.cpp

@@ -1252,12 +1252,14 @@ public:
 		CreateTableFromArray<Course*>( v, L );
 		return 1;
 	}
+	static int FindSong( T* p, lua_State *L )	{ Song *pS = p->FindSong(SArg(1)); if(pS) pS->PushSelf(L); else lua_pushnil(L); return 1; }
 	static int FindCourse( T* p, lua_State *L ) { Course *pC = p->FindCourse(SArg(1)); if(pC) pC->PushSelf(L); else lua_pushnil(L); return 1; }
 
 	static void Register(lua_State *L)
 	{
 		ADD_METHOD( GetAllSongs )
 		ADD_METHOD( GetAllCourses )
+		ADD_METHOD( FindSong )
 		ADD_METHOD( FindCourse )
 		Luna<T>::Register( L );
 

stepmania/src/Steps.cpp

@@ -337,11 +337,13 @@ public:
 	LunaSteps() { LUA->Register( Register ); }
 
 	static int GetStepsType( T* p, lua_State *L )	{ lua_pushnumber(L, p->m_StepsType ); return 1; }
+	static int GetDifficulty( T* p, lua_State *L )	{ lua_pushnumber(L, p->GetDifficulty() ); return 1; }
 	static int GetDescription( T* p, lua_State *L )	{ lua_pushstring(L, p->GetDescription() ); return 1; }
 
 	static void Register(lua_State *L)
 	{
 		ADD_METHOD( GetStepsType )
+		ADD_METHOD( GetDifficulty )
 		ADD_METHOD( GetDescription )
 		Luna<T>::Register( L );
 	}