add Lua bindings

stepmania/src/SongManager.cpp

@@ -1228,6 +1228,51 @@ void SongManager::FreeAllLoadedFromProfiles()
 	StepsID::ClearCache();
 }
 
+
+
+// lua start
+#include "LuaBinding.h"
+
+template<class T>
+class LunaSongManager : public Luna<T>
+{
+public:
+	LunaSongManager() { LUA->Register( Register ); }
+
+	static int GetAllCourses( T* p, lua_State *L )
+	{
+		vector<Course*> vCourses;
+		p->GetAllCourses( vCourses, BArg(1) );
+		CreateTableFromArray<Course*>( vCourses, 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( GetAllCourses )
+		ADD_METHOD( FindCourse )
+		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( SONGMAN )
+		{
+			lua_pushstring(L, "SONGMAN");
+			SONGMAN->PushSelf( LUA->L );
+			lua_settable(L, LUA_GLOBALSINDEX);
+		}
+	}
+};
+
+LUA_REGISTER_CLASS( SongManager )
+// lua end
+
+
+
+
+
 static bool CheckPointer( const Song *p )
 {
 	const vector<Song*> &songs = SONGMAN->GetAllSongs();

stepmania/src/SongManager.h

@@ -9,6 +9,7 @@ class Style;
 class Course;
 class Steps;
 struct PlayerOptions;
+struct lua_State;
 
 #include "RageTypes.h"
 #include "GameConstantsAndTypes.h"
@@ -95,6 +96,9 @@ public:
 
 	void UpdateRankingCourses();	// courses shown on the ranking screen
 
+	// Lua
+	void PushSelf( lua_State *L );
+
 protected:
 	void LoadStepManiaSongDir( CString sDir, LoadingWindow *ld );
 	void LoadDWISongDir( CString sDir );