From f3b1b2208c9d6f1fa110d6852ec1408f2a68fb14 Mon Sep 17 00:00:00 2001
From: kiritow <1362050620@qq.com>
Date: Tue, 4 Apr 2017 20:33:41 +0800
Subject: [PATCH] Add Timer Support

---
 MiniEngine.cpp | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++
 MiniEngine.h   | 21 ++++++++++++++++++-
 2 files changed, 77 insertions(+), 1 deletion(-)

diff --git a/MiniEngine.cpp b/MiniEngine.cpp
index ffc7594..0dc49e1 100644
--- a/MiniEngine.cpp
+++ b/MiniEngine.cpp
@@ -803,6 +803,63 @@ namespace MiniEngine
 		SDL_StopTextInput();
 	}
 
+    Timer::Timer()
+    {
+        _enabled=false;
+        _detached=false;
+        id=-1;
+    }
+
+    Timer::Timer(SDL_TimerCallback callback,Uint32 interval,void* param) : Timer()
+    {
+        _callback=callback;
+        _interval=interval;
+        _param=param;
+    }
+
+    int Timer::enable()
+    {
+        if(_enabled)
+        {
+            return -1;
+        }
+        else
+        {
+            id=SDL_AddTimer(_interval,_callback,_param);
+            if(id<0) return -2;
+            _enabled=true;
+            return 0;
+        }
+    }
+
+    int Timer::disable()
+    {
+        if(_enabled)
+        {
+            SDL_RemoveTimer(id);
+            _enabled=false;
+            id=-1;
+            return 0;
+        }
+        else
+        {
+            return -1;
+        }
+    }
+
+    void Timer::detach()
+    {
+        _detached=true;
+    }
+
+    Timer::~Timer()
+    {
+        if(!_detached)
+        {
+            disable();
+        }
+    }
+
 	AudioPlayer::AudioPlayer()
 	{
 		if (!_sysAudioCounter)
diff --git a/MiniEngine.h b/MiniEngine.h
index b87c2ca..c1864f7 100644
--- a/MiniEngine.h
+++ b/MiniEngine.h
@@ -282,6 +282,26 @@ namespace MiniEngine
 		};
 	};
 
+	class Timer
+	{
+    public:
+        Timer();
+        /// Uint32 func(Uint32,void*) ...
+        Timer(SDL_TimerCallback callback,Uint32 interval,void* param);
+        int enable();
+        int disable();
+        bool isenable();
+        void detach();
+        ~Timer();
+    private:
+        SDL_TimerCallback _callback;
+        Uint32 _interval;
+        void* _param;
+        SDL_TimerID id;
+        bool _enabled;
+        bool _detached;
+	};
+
 	class AudioPlayer
 	{
 	public:
@@ -332,7 +352,6 @@ namespace MiniEngine
 		Music m;
 	};
 
-
 	class Sound
 	{
 	public: