Added basic iOS support (no messaging yet)

ios/Classes/FlutterUnity.h

@@ -1,25 +0,0 @@
-//
-// Created by rex on 19/03/2019.
-//
-
-#ifndef FLUTTER_UNITY_WIDGET_FLUTTERUNITY_H
-#define FLUTTER_UNITY_WIDGET_FLUTTERUNITY_H
-
-
-#import <Flutter/Flutter.h>
-
-@interface FlutterUnityController : NSObject <FlutterPlatformView>
-
-- (instancetype)initWithWithFrame:(CGRect)frame
-                   viewIdentifier:(int64_t)viewId
-                        arguments:(id _Nullable)args
-                  binaryMessenger:(NSObject<FlutterBinaryMessenger>*)messenger;
-
-- (UIView*)view;
-@end
-
-@interface FlutterUnityFactory : NSObject <FlutterPlatformViewFactory>
-- (instancetype)initWithMessenger:(NSObject<FlutterBinaryMessenger>*)messenger;
-@end
-
-#endif //FLUTTER_UNITY_WIDGET_FLUTTERUNITY_H

ios/Classes/FlutterUnity.m

@@ -1,87 +0,0 @@
-//
-// Created by rex on 19/03/2019.
-//
-
-#include "FlutterUnity.h"
-
-@implementation FlutterUnityFactory {
-  NSObject<FlutterBinaryMessenger>* _messenger;
-}
-
-- (instancetype)initWithMessenger:(NSObject<FlutterBinaryMessenger>*)messenger {
-  self = [super init];
-  if (self) {
-    _messenger = messenger;
-  }
-  return self;
-}
-
-
-@implementation FlutterUnityController {
-  WKWebView* _webView;
-  int64_t _viewId;
-  FlutterMethodChannel* _channel;
-}
-
-- (instancetype)initWithWithFrame:(CGRect)frame
-                   viewIdentifier:(int64_t)viewId
-                        arguments:(id _Nullable)args
-                  binaryMessenger:(NSObject<FlutterBinaryMessenger>*)messenger {
-  if ([super init]) {
-    _viewId = viewId;
-    _webView = [[WKWebView alloc] initWithFrame:frame];
-    NSString* channelName = [NSString stringWithFormat:@"nativeweb_%lld", viewId];
-    _channel = [FlutterMethodChannel methodChannelWithName:channelName binaryMessenger:messenger];
-    __weak __typeof__(self) weakSelf = self;
-    [_channel setMethodCallHandler:^(FlutterMethodCall* call, FlutterResult result) {
-      [weakSelf onMethodCall:call result:result];
-    }];
-
-  }
-  return self;
-}
-
-- (UIView*)view {
-  return _webView;
-}
-
-- (void)onMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
-  if ([[call method] isEqualToString:@"postMessage"]) {
-    [self postMessage:call result:result];
-  } else if ([[call method] isEqualToString:@"isReady"]) {
-    [self postMessage:call result:result];
-  } else if ([[call method] isEqualToString:@"createUnity"]) {
-    [self postMessage:call result:result];
-  } else if ([[call method] isEqualToString:@"pause"]) {
-    [self postMessage:call result:result];
-  } else if ([[call method] isEqualToString:@"resume"]) {
-    [self postMessage:call result:result];
-  } else {
-    result(FlutterMethodNotImplemented);
-  }
-}
-
-- (void)postMessage:(FlutterMethodCall*)call result:(FlutterResult)result {
-  NSString* url = [call arguments];
-  if (![self postMessage:url]) {
-    result([FlutterError errorWithCode:@"loadUrl_failed"
-                               message:@"Failed parsing the URL"
-                               details:[NSString stringWithFormat:@"URL was: '%@'", url]]);
-  } else {
-    result(nil);
-  }
-}
-
-- (bool)onPostMessage:(NSString*)url {
-  NSURL* nsUrl = [NSURL URLWithString:url];
-  if (!nsUrl) {
-    return false;
-  }
-  NSURLRequest* req = [NSURLRequest requestWithURL:nsUrl];
-  [_webView loadRequest:req];
-  return true;
-}
-
-@end
-
-

ios/Classes/FlutterUnityView.h

@@ -0,0 +1,18 @@
+//
+//  FlutterUnityView.h
+//  FlutterUnityView
+//
+//  Created by krispypen on 8/1/2019
+//
+
+#import <UIKit/UIKit.h>
+
+#import "UnityUtils.h"
+
+@interface FlutterUnityView : UIView
+
+@property (nonatomic, strong) UIView* uView;
+
+- (void)setUnityView:(UIView *)view;
+
+@end

ios/Classes/FlutterUnityView.m

@@ -0,0 +1,37 @@
+//
+//  FlutterUnityView.m
+//  FlutterUnityView
+//
+//  Created by krispypen on 8/1/2019
+//
+
+#import "FlutterUnityView.h"
+
+@implementation FlutterUnityView
+
+- (id)initWithFrame:(CGRect)frame
+{
+    self = [super initWithFrame:frame];
+    return self;
+}
+
+- (void)dealloc
+{
+}
+
+- (void)setUnityView:(UIView *)view
+{
+    self.uView = view;
+    [self setNeedsLayout];
+}
+
+- (void)layoutSubviews
+{
+    [super layoutSubviews];
+    [(UIView *)self.uView removeFromSuperview];
+    [self insertSubview:(UIView *)self.uView atIndex:0];
+    ((UIView *)self.uView).frame = self.bounds;
+    [(UIView *)self.uView setNeedsLayout];
+}
+
+@end

ios/Classes/FlutterUnityWidgetPlugin.h

@@ -1,4 +1,25 @@
+//
+//  FlutterUnityWidgetPlugin.h
+//  FlutterUnityWidgetPlugin
+//
+//  Created by Kris Pypen on 8/1/19.
+//
+
 #import <Flutter/Flutter.h>
 
 @interface FlutterUnityWidgetPlugin : NSObject<FlutterPlugin>
 @end
+
+@interface FUController : NSObject <FlutterPlatformView>
+
+- (instancetype)initWithFrame:(CGRect)frame
+               viewIdentifier:(int64_t)viewId
+                    arguments:(id _Nullable)args
+              binaryMessenger:(NSObject<FlutterBinaryMessenger>*)messenger;
+
+- (UIView*)view;
+@end
+
+@interface FUViewFactory : NSObject <FlutterPlatformViewFactory>
+- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar;
+@end

ios/Classes/FlutterUnityWidgetPlugin.m

@@ -1,20 +1,84 @@
+//
+//  FlutterUnityWidgetPlugin.m
+//  FlutterUnityWidgetPlugin
+//
+//  Created by Kris Pypen on 8/1/19.
+//
+
 #import "FlutterUnityWidgetPlugin.h"
-#import <flutter_unity_widget/flutter_unity_widget-Swift.h>
+#import "UnityUtils.h"
+#import "FlutterUnityView.h"
 
-+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
-  FlutterNativeWebFactory* webviewFactory =
-      [[FlutterNativeWebFactory alloc] initWithMessenger:registrar.messenger];
-  [registrar registerViewFactory:webviewFactory withId:@"unity_view"];
-}
-
-
-/*
-#import "FlutterUnityWidgetPlugin.h"
-#import <flutter_unity_widget/flutter_unity_widget-Swift.h>
+#include <UnityFramework/UnityFramework.h>
 
 @implementation FlutterUnityWidgetPlugin
 + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
-  [SwiftFlutterUnityWidgetPlugin registerWithRegistrar:registrar];
+    FUViewFactory* fuviewFactory = [[FUViewFactory alloc] initWithRegistrar:registrar];
+    [registrar registerViewFactory:fuviewFactory withId:@"unity_view"];
 }
 @end
-*/
+
+@implementation FUViewFactory {
+    NSObject<FlutterPluginRegistrar>* _registrar;
+}
+- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
+    self = [super init];
+    if (self) {
+        _registrar = registrar;
+    }
+    return self;
+}
+- (NSObject<FlutterMessageCodec>*)createArgsCodec {
+    return [FlutterStandardMessageCodec sharedInstance];
+}
+
+- (NSObject<FlutterPlatformView>*)createWithFrame:(CGRect)frame
+                                   viewIdentifier:(int64_t)viewId
+                                        arguments:(id _Nullable)args {
+    FUController* controller = [[FUController alloc] initWithFrame:frame
+                                                                           viewIdentifier:viewId
+                                                                                arguments:args
+                                                                          binaryMessenger:_registrar];
+    return controller;
+}
+
+@end
+
+@implementation FUController {
+    FlutterUnityView* _uView;
+    int64_t _viewId;
+    FlutterMethodChannel* _channel;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame
+               viewIdentifier:(int64_t)viewId
+                    arguments:(id _Nullable)args
+              binaryMessenger:(NSObject<FlutterBinaryMessenger>*)messenger {
+    if ([super init]) {
+        _viewId = viewId;
+        
+        NSString* channelName = [NSString stringWithFormat:@"unity_view_%lld", viewId];
+        _channel = [FlutterMethodChannel methodChannelWithName:channelName binaryMessenger:messenger];
+
+    }
+    return self;
+}
+
+- (UIView*)view {
+    _uView = [[FlutterUnityView alloc] init];
+    if ([UnityUtils isUnityReady]) {
+        [_uView setUnityView: (UIView*)[GetAppController() unityView]];
+    } else {
+        [UnityUtils createPlayer:^{
+            [_uView setUnityView: (UIView*)[GetAppController() unityView]];
+        }];
+    }
+    return _uView;
+}
+
+@end
+
+
+
+
+

ios/Classes/UnityUtils.h

@@ -1,27 +1,23 @@
-//
-// Created by rex on 15/03/2019.
-//
-
-#ifndef FLUTTER_UNITY_WIDGET_UNITYUTILS_H
-#define FLUTTER_UNITY_WIDGET_UNITYUTILS_H
-
 #import <Foundation/Foundation.h>
 
+#ifndef UnityUtils_h
+#define UnityUtils_h
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-void InitArgs(int argc, char* argv[]);
+    void InitArgs(int argc, char* argv[]);
 
-bool UnityIsInited(void);
+    bool UnityIsInited(void);
 
-void InitUnity();
+    void InitUnity();
 
-void UnityPostMessage(NSString* gameObject, NSString* methodName, NSString* message);
+    void UnityPostMessage(NSString* gameObject, NSString* methodName, NSString* message);
 
-void UnityPauseCommand();
+    void UnityPauseCommand();
 
-void UnityResumeCommand();
+    void UnityResumeCommand();
 
 #ifdef __cplusplus
 } // extern "C"
@@ -40,5 +36,4 @@ void UnityResumeCommand();
 
 @end
 
-#endif //FLUTTER_UNITY_WIDGET_UNITYUTILS_H
-
+#endif /* UnityUtils_h */

ios/Classes/UnityUtils.mm

@@ -1,10 +1,8 @@
-#include "RegisterMonoModules.h"
-#include "RegisterFeatures.h"
 #include <csignal>
 #import <UIKit/UIKit.h>
-#import "UnityInterface.h"
 #import "UnityUtils.h"
-#import "UnityAppController.h"
+
+#include <UnityFramework/UnityFramework.h>
 
 // Hack to work around iOS SDK 4.3 linker problem
 // we need at least one __TEXT, __const section entry in main application .o files
@@ -18,6 +16,8 @@ char** g_argv;
 
 void UnityInitTrampoline();
 
+UnityFramework* ufw;
+
 extern "C" void InitArgs(int argc, char* argv[])
 {
     g_argc = argc;
@@ -29,6 +29,19 @@ extern "C" bool UnityIsInited()
     return unity_inited;
 }
 
+UnityFramework* UnityFrameworkLoad()
+{
+    NSString* bundlePath = nil;
+    bundlePath = [[NSBundle mainBundle] bundlePath];
+    bundlePath = [bundlePath stringByAppendingString: @"/Frameworks/UnityFramework.framework"];
+
+    NSBundle* bundle = [NSBundle bundleWithPath: bundlePath];
+    if ([bundle isLoaded] == false) [bundle load];
+
+    UnityFramework* ufw = [bundle.principalClass getInstance];
+    return ufw;
+}
+
 extern "C" void InitUnity()
 {
     if (unity_inited) {
@@ -36,41 +49,28 @@ extern "C" void InitUnity()
     }
     unity_inited = true;
 
-    UnityInitStartupTime();
+    ufw = UnityFrameworkLoad();
 
-    @autoreleasepool
-    {
-        UnityInitTrampoline();
-        UnityInitRuntime(g_argc, g_argv);
-
-        RegisterMonoModules();
-        NSLog(@"-> registered mono modules %p\n", &constsection);
-        RegisterFeatures();
-
-        // iOS terminates open sockets when an application enters background mode.
-        // The next write to any of such socket causes SIGPIPE signal being raised,
-        // even if the request has been done from scripting side. This disables the
-        // signal and allows Mono to throw a proper C# exception.
-        std::signal(SIGPIPE, SIG_IGN);
-    }
+    [ufw setDataBundleId: "com.unity3d.framework"];
+    [ufw frameworkWarmup: g_argc argv: g_argv];
 }
 
 extern "C" void UnityPostMessage(NSString* gameObject, NSString* methodName, NSString* message)
 {
-    UnitySendMessage([gameObject UTF8String], [methodName UTF8String], [message UTF8String]);
+    ////UnitySendMessage([gameObject UTF8String], [methodName UTF8String], [message UTF8String]);
 }
 
 extern "C" void UnityPauseCommand()
 {
     dispatch_async(dispatch_get_main_queue(), ^{
-        UnityPause(1);
+        [ufw pause:true];
     });
 }
 
 extern "C" void UnityResumeCommand()
 {
     dispatch_async(dispatch_get_main_queue(), ^{
-        UnityPause(0);
+        [ufw pause:false];
     });
 }
 

ios/flutter_unity_widget.podspec

@@ -17,5 +17,8 @@ Flutter unity 3D widget for embedding unity in flutter
   s.dependency 'Flutter'
 
   s.ios.deployment_target = '8.0'
+  s.xcconfig = { 
+     'FRAMEWORK_SEARCH_PATHS' => '$(inherited) "${PODS_ROOT}/../.symlinks/flutter/ios-release" "${PODS_ROOT}/../Unity3Export" "${PODS_CONFIGURATION_BUILD_DIR}"', 
+     'OTHER_LDFLAGS' => '$(inherited) -framework UnityFramework ${PODS_LIBRARIES}'
+   }
 end
-