+// check if native BD graphics engine requested in custom graphics configuration
+boolean use_native_bd_graphics_engine(void)
+{
+ return game.use_native_bd_graphics_engine;
+}
+
+// check if smooth game element movements selected in setup menu
+boolean use_bd_smooth_movements(void)
+{
+ return ((setup.bd_smooth_movements == STATE_TRUE) ||
+ (setup.bd_smooth_movements == STATE_AUTO && !use_native_bd_graphics_engine()));
+}
+
+// check if player pushing graphics selected in setup menu
+boolean use_bd_pushing_graphics(void)
+{
+ return ((setup.bd_pushing_graphics == STATE_TRUE) ||
+ (setup.bd_pushing_graphics == STATE_AUTO && !use_native_bd_graphics_engine()));
+}
+
+// check if player up/down graphics selected in setup menu
+boolean use_bd_up_down_graphics(void)
+{
+ return ((setup.bd_up_down_graphics == STATE_TRUE) ||
+ (setup.bd_up_down_graphics == STATE_AUTO && !use_native_bd_graphics_engine()));
+}
+
+// check if skipping falling sounds selected in setup menu
+boolean skip_bd_falling_sounds(void)
+{
+ return ((setup.bd_skip_falling_sounds == STATE_TRUE) ||
+ (setup.bd_skip_falling_sounds == STATE_AUTO && !game.use_native_bd_sound_engine));
+}
+