(iOS) Make settings changes take place even while the game is running.

ios/RetroArch/RetroArch_iOS.h

@@ -21,6 +21,7 @@
 
 + (RetroArch_iOS*)get;
 - (void)runGame:(NSString*)path;
+- (void)refreshConfig;
 
 - (IBAction)showSettings;
 

ios/RetroArch/RetroArch_iOS.m

@@ -159,6 +159,20 @@
    }
 }
 
+- (void)refreshConfig
+{
+   // Need to clear these otherwise stale versions may be used!
+   memset(g_settings.input.overlay, 0, sizeof(g_settings.input.overlay));
+   memset(g_settings.video.bsnes_shader_path, 0, sizeof(g_settings.video.bsnes_shader_path));
+
+   if (_isRunning)
+   {
+      uninit_drivers();
+      config_load();
+      init_drivers();
+   }
+}
+
 - (void)iterate
 {
    if (_isPaused || !_isRunning || !_isGameTop)
@@ -236,7 +250,7 @@
    [self pushViewController:[RASettingsList new] animated:YES];
 }
 
-#pragma MARK Bluetooth Helpers
+#pragma mark Bluetooth Helpers
 - (UIBarButtonItem*)createBluetoothButton
 {
 #ifdef WIIMOTE

ios/RetroArch/settings/RASettingsList.m

@@ -170,6 +170,7 @@ static RASettingData* custom_action(NSString* action)
    RAConfig* config = [[RAConfig alloc] initWithPath:[RetroArch_iOS get].moduleInfo.configPath];
    [self writeSettings:nil toConfig:config];
    [config writeToFile:[RetroArch_iOS get].moduleInfo.configPath];
+   [[RetroArch_iOS get] refreshConfig];
 }
 
 - (void)handleCustomAction:(NSString*)action