From 8b00d67febf133e89f6a0bfabc41feed555dc4a9 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 12 Jan 2019 21:48:33 +0800
Subject: =?UTF-8?q?*=E5=8E=BB=E6=8E=89=E6=96=87=E4=BB=B6=E5=89=8D=E7=BC=80?=
 =?UTF-8?q?je=5F?=
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---
 src/libjin/time/timer.h | 158 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 src/libjin/time/timer.h

(limited to 'src/libjin/time/timer.h')

diff --git a/src/libjin/time/timer.h b/src/libjin/time/timer.h
new file mode 100644
index 0000000..48e51ba
--- /dev/null
+++ b/src/libjin/time/timer.h
@@ -0,0 +1,158 @@
+#ifndef __JE_TIMER_H__
+#define __JE_TIMER_H__
+#include "../core/configuration.h"
+#if defined(jin_time)
+
+#include <vector>
+#include <functional>
+
+#include "SDL2/SDL.h"
+
+#include "../common/object.h"
+
+namespace JinEngine
+{
+    namespace Time
+    {
+    
+        ///
+        ///
+        ///
+        class Timer : public Object
+        {
+        public:
+
+            typedef std::function<void(void*)> TimerCallback;
+
+            typedef std::function<void(void*)> FinishCallback;
+
+            ///
+            ///
+            ///
+            class Handler : public Object
+            {
+            public:
+                friend class Timer;
+                enum Type
+                {
+                    EVERY,
+                    AFTER,
+                    REPEAT,
+                };
+                Handler(Type type, float duration, int count = 0, TimerCallback callback = nullptr, void* paramters = nullptr, FinishCallback finishcallback = nullptr);
+                virtual ~Handler();
+                void process(float dt);
+
+            protected:
+                int count;
+                int countdown;
+                float duration;
+                float tickdown;
+                Type type;
+                TimerCallback callback;
+                FinishCallback finishCallback;
+                void* paramters;
+                bool canceled;
+            };
+
+            ///
+            ///
+            ///
+            Timer();
+
+            ///
+            ///
+            ///
+            ~Timer();
+
+            ///
+            ///
+            ///
+            void update(float dt);
+
+            ///
+            ///
+            ///
+            Handler* every(float dt, TimerCallback callback, void* paramters = nullptr, FinishCallback finish = nullptr);
+
+            ///
+            ///
+            ///
+            Handler* after(float dt, TimerCallback callback, void* paramters, FinishCallback finish);
+
+            ///
+            ///
+            ///
+            Handler* repeat(float dt, int count, TimerCallback callback, void* paramters, FinishCallback finish);
+
+            ///
+            ///
+            ///
+            void cancel(Handler* handler);
+
+            ///
+            ///
+            ///
+            void cancelAll();
+
+        private:
+
+            std::vector<Handler*> mHandlers;
+
+        };
+
+        ///
+        ///
+        ///
+        inline void sleep(int ms)
+        {
+        #if jin_time == jin_time_sdl
+            SDL_Delay(ms);
+        #endif
+        }
+
+        ///
+        ///
+        ///
+        inline double getSecond()
+        {
+        #if jin_time == jin_time_sdl
+            return SDL_GetTicks() / 1000.f;
+        #endif
+        }
+
+        ///
+        ///
+        ///
+        inline double getMilliSecond()
+        {
+        #if jin_time == jin_time_sdl
+            return SDL_GetTicks();
+        #endif
+        }
+
+        ///
+        /// Delta time between frames.
+        ///
+        extern float deltaTime;
+
+        inline void step()
+        {
+            static float previous = 0;
+            static float current = getSecond();
+            previous = current;
+            current = getSecond();
+            deltaTime = current - previous;
+        }
+
+        inline float getDeltaTime()
+        {
+            return deltaTime;
+        }
+
+    } // namespace Time
+} // namespace JinEngine
+
+#endif // defined(jin_time)
+
+#endif // __JE_TIMER_H__
\ No newline at end of file
-- 
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