expose aspect ratios

stepmania/src/ScreenDimensions.cpp

@@ -21,7 +21,7 @@ ThemeMetric<float> THEME_SCREEN_HEIGHT("Common","ScreenHeight");
  */
 #define THEME_NATIVE_ASPECT (THEME_SCREEN_WIDTH/THEME_SCREEN_HEIGHT)
 
-static float ScreenAspectRatio()
+float ScreenAspectRatio()
 {
 	float fAspect = PREFSMAN->m_fDisplayAspectRatio;
 	if( fAspect == ASPECT_AUTO )
@@ -37,6 +37,11 @@ static float ScreenAspectRatio()
 	return fAspect;
 }
 
+float ThemeAspectRatio()
+{
+	return THEME_NATIVE_ASPECT;
+}
+
 float ScreenWidth()
 {
 	float fAspect = ScreenAspectRatio();

stepmania/src/ScreenDimensions.h

@@ -8,6 +8,8 @@
 
 #define SCREEN_WIDTH ScreenWidth()
 #define SCREEN_HEIGHT ScreenHeight()
+float ScreenAspectRatio();
+float ThemeAspectRatio();
 float ScreenWidth();
 float ScreenHeight();
 

stepmania/src/ThemeManager.cpp

@@ -944,6 +944,8 @@ public:
 	static int GetPathG( T* p, lua_State *L )			{ lua_pushstring(L, p->GetPathG(SArg(1),SArg(2)) ); return 1; }
 	static int GetPathB( T* p, lua_State *L )			{ lua_pushstring(L, p->GetPathB(SArg(1),SArg(2)) ); return 1; }
 	static int GetPathS( T* p, lua_State *L )			{ lua_pushstring(L, p->GetPathS(SArg(1),SArg(2)) ); return 1; }
+	static int GetScreenAspectRatio( T* p, lua_State *L ) { lua_pushnumber( L, ScreenAspectRatio() ); return 1; }
+	static int GetThemeAspectRatio( T* p, lua_State *L ) { lua_pushnumber( L, ThemeAspectRatio() ); return 1; }
 
 	static void Register(lua_State *L)
 	{
@@ -951,6 +953,8 @@ public:
 		ADD_METHOD( GetPathG );
 		ADD_METHOD( GetPathB );
 		ADD_METHOD( GetPathS );
+		ADD_METHOD( GetScreenAspectRatio );
+		ADD_METHOD( GetThemeAspectRatio );
 
 		Luna<T>::Register( L );