Save reinitialize game on SDL-iOS when app is terminated

game/ht.h

@@ -8808,6 +8808,7 @@ void HostSleep(dword ct) secHost;
 void HostSetGameThread(base::Thread *thread);
 base::Thread& HostGetGameThread();
 base::Thread *HostGetGameThreadPointer();
+void HostAppStop();
 
 const int knKeyboardAskDefault = 0;
 const int knKeyboardAskURL = 1;

game/sdl/host.cpp

@@ -789,4 +789,12 @@ base::Thread *HostGetGameThreadPointer() {
     return gpgt;
 }
 
+void HostAppStop() {
+    // Only use this function for when you can't post an appStopEvent
+
+    ggame.SaveReinitializeGame();
+    gevm.SetAppStopping();
+    ggame.AskResignGame();
+}
+
 } // namespace wi

game/sdl/ios/SDL_uikitappdelegate.h

@@ -0,0 +1,41 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#import <UIKit/UIKit.h>
+
+@interface SDLLaunchScreenController : UIViewController
+
+- (instancetype)init;
+- (void)loadView;
+- (NSUInteger)supportedInterfaceOrientations;
+
+@end
+
+@interface SDLUIKitDelegate : NSObject<UIApplicationDelegate>
+
++ (id)sharedAppDelegate;
++ (NSString *)getAppDelegateClassName;
+
+- (void)hideLaunchScreen;
+
+@end
+
+/* vi: set ts=4 sw=4 expandtab: */

game/sdl/ios/hosthelpers.mm

@@ -53,7 +53,7 @@ bool HostHelpers::Init() {
     gphttp = (HttpService *)new IPhoneHttpService();
     
     // iPhone controller
-    iphone = [[IPhone alloc] init];
+    iphone = [IPhone sharedAppDelegate];
     [[UIApplication sharedApplication] setIdleTimerDisabled:YES];
     [iphone forceDeviceIntoLandscape];
 

game/sdl/ios/iphone.h

@@ -1,11 +1,13 @@
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
 
+#import "game/sdl/ios/SDL_uikitappdelegate.h"
+
 @class Webview;
 @class InputController;
 @class ChatView;
 
-@interface IPhone : NSObject <UIApplicationDelegate>
+@interface IPhone : SDLUIKitDelegate
 @property (strong, nonatomic) Webview *webView;
 @property (strong, nonatomic) InputController *inputController;
 @property (strong, nonatomic) ChatView *chatView;

game/sdl/ios/iphone.mm

@@ -1,3 +1,19 @@
+#import "game/sdl/ios/SDL_uikitappdelegate.h"
+
+// Catigorize the SDLUIKitDelegate class and override the method that
+// loads the SDL_AppDelegate to load the subclassed IPhone class instead.
+
+@implementation SDLUIKitDelegate (LoadIPhoneAppDelegate)
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wobjc-protocol-method-implementation"
++ (NSString *)getAppDelegateClassName {
+    return @"IPhone";
+}
+#pragma clang diagnostic pop
+
+@end
+
 #include <sys/types.h>
 #include <dirent.h>
 #include <sys/stat.h>
@@ -24,6 +40,9 @@
 @implementation IPhone
 
 - (id)init {
+    if (![super init])
+        return NULL;
+
     m_pchat = NULL;
     
     self.webView = [[Webview alloc] init];
@@ -33,6 +52,15 @@
     return self;
 }
 
++ (NSString *)getAppDelegateClassName {
+    return @"IPhoneAppDelegate";
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    [super applicationWillTerminate:application];
+    wi::HostAppStop();
+}
+
 + (void)presentViewController:(UIViewController* )viewController animated:(BOOL)animated completion:(void (^)(void))completion {
     // When this is done, the ViewController isn't in the window's hierarchy. Only use this method
     // if you cannot use [self presentView:] (i.e. for this only for UIAlertControllers)