Graphics: Stub out play_movie

Some people are using it to detect the RGSS version.

binding-mri/graphics-binding.cpp

@@ -183,6 +183,18 @@ RB_METHOD(graphicsReset)
 	return Qnil;
 }
 
+RB_METHOD(graphicsPlayMovie)
+{
+	RB_UNUSED_PARAM;
+
+	const char *filename;
+	rb_get_args(argc, argv, "z", &filename RB_ARG_END);
+
+	shState->graphics().playMovie(filename);
+
+	return Qnil;
+}
+
 DEF_GRA_PROP_I(FrameRate)
 DEF_GRA_PROP_I(FrameCount)
 DEF_GRA_PROP_I(Brightness)
@@ -223,6 +235,11 @@ void graphicsBindingInit()
 	INIT_GRA_PROP_BIND( Brightness, "brightness" );
 	}
 
+	if (rgssVer >= 3)
+	{
+	_rb_define_module_function(module, "play_movie", graphicsPlayMovie);
+	}
+
 	INIT_GRA_PROP_BIND( Fullscreen, "fullscreen"  );
 	INIT_GRA_PROP_BIND( ShowCursor, "show_cursor" );
 }

src/graphics.cpp

@@ -957,6 +957,11 @@ void Graphics::resizeScreen(int width, int height)
 	shState->eThread().requestWindowResize(width, height);
 }
 
+void Graphics::playMovie(const char *filename)
+{
+	Debug() << "Graphics.playMovie(" << filename << ") not implemented";
+}
+
 DEF_ATTR_RD_SIMPLE(Graphics, Brightness, int, p->brightness)
 
 void Graphics::setBrightness(int value)

src/graphics.h

@@ -54,6 +54,7 @@ public:
 	int width() const;
 	int height() const;
 	void resizeScreen(int width, int height);
+	void playMovie(const char *filename);
 
 	void reset();