From b812bbe677bfdb31c5f2ba3faba31ae83fb19fdb Mon Sep 17 00:00:00 2001
From: Ellpeck <megamaximal@gmail.com>
Date: Thu, 5 Sep 2019 14:27:18 +0200
Subject: [PATCH] added some events to MlemGame to allow for mouse handling to
 be disabled easily in the android version

---
 Demos.Android/Activity1.cs |  2 ++
 MLEM.Startup/MlemGame.cs   | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/Demos.Android/Activity1.cs b/Demos.Android/Activity1.cs
index 8b470b6..da5f6d5 100644
--- a/Demos.Android/Activity1.cs
+++ b/Demos.Android/Activity1.cs
@@ -18,6 +18,8 @@ namespace AndroidDemos {
         protected override void OnCreate(Bundle bundle) {
             base.OnCreate(bundle);
             var g = new GameImpl();
+            // disable mouse handling for android to make emulator behavior more coherent
+            g.OnLoadContent += game => game.InputHandler.HandleMouse = false;
             this.SetContentView((View) g.Services.GetService(typeof(View)));
             g.Run();
         }
diff --git a/MLEM.Startup/MlemGame.cs b/MLEM.Startup/MlemGame.cs
index 6acfea0..ac3238d 100644
--- a/MLEM.Startup/MlemGame.cs
+++ b/MLEM.Startup/MlemGame.cs
@@ -18,6 +18,10 @@ namespace MLEM.Startup {
         public InputHandler InputHandler { get; protected set; }
         public UiSystem UiSystem { get; protected set; }
 
+        public GenericCallback OnLoadContent;
+        public TimeCallback OnUpdate;
+        public TimeCallback OnDraw;
+
         public MlemGame(int windowWidth = 1280, int windowHeight = 720, bool vsync = false, bool allowResizing = true, string contentDir = "Content") {
             instance = this;
             this.GraphicsDeviceManager = new GraphicsDeviceManager(this) {
@@ -33,6 +37,7 @@ namespace MLEM.Startup {
             this.SpriteBatch = new SpriteBatch(this.GraphicsDevice);
             this.InputHandler = new InputHandler();
             this.UiSystem = new UiSystem(this.Window, this.GraphicsDevice, new UntexturedStyle(this.SpriteBatch), this.InputHandler);
+            this.OnLoadContent?.Invoke(this);
         }
 
         protected override void Update(GameTime gameTime) {
@@ -41,6 +46,7 @@ namespace MLEM.Startup {
             this.InputHandler.Update();
             this.UiSystem.Update(gameTime);
 
+            this.OnUpdate?.Invoke(this, gameTime);
             CoroutineHandler.Tick(gameTime.GetElapsedSeconds());
             CoroutineHandler.RaiseEvent(CoroutineEvents.Update);
         }
@@ -49,6 +55,7 @@ namespace MLEM.Startup {
             this.UiSystem.DrawEarly(gameTime, this.SpriteBatch);
             this.DoDraw(gameTime);
             this.UiSystem.Draw(gameTime, this.SpriteBatch);
+            this.OnDraw?.Invoke(this, gameTime);
             CoroutineHandler.RaiseEvent(CoroutineEvents.Draw);
         }
 
@@ -60,5 +67,9 @@ namespace MLEM.Startup {
             return instance.Content.Load<T>(name);
         }
 
+        public delegate void GenericCallback(MlemGame game);
+
+        public delegate void TimeCallback(MlemGame game, GameTime time);
+
     }
 }
\ No newline at end of file