1 files changed, 124 insertions, 0 deletions
diff --git a/src/libjin/time/timer.cpp b/src/libjin/time/timer.cpp
new file mode 100644
index 0000000..32b2f57
--- /dev/null
+++ b/src/libjin/time/timer.cpp
@@ -0,0 +1,124 @@
+#include "../core/configuration.h"
+#if defined(jin_time)
+
+#include "timer.h"
+
+namespace JinEngine
+{
+    namespace Time
+    {
+
+
+        Timer::Timer()
+            : mHandlers()
+        {
+        }
+
+        Timer::~Timer()
+        {
+            for (int i = 0; i < mHandlers.size(); ++i)
+                delete mHandlers[i];
+        }
+
+        void Timer::update(float dt)
+        {
+            // Process handler.
+            std::vector<Handler*>::iterator it = mHandlers.begin();
+            for (; it != mHandlers.end(); ++it)
+                (*it)->process(dt);
+            // Erase canceled handler.
+            for (it = mHandlers.begin(); it != mHandlers.end();)
+            {
+                if ((*it)->canceled)
+                {
+                    Handler* h = *it;
+                    it = mHandlers.erase(it);
+                    delete h;
+                }
+                else
+                    ++it;
+            }
+        }
+
+        void Timer::cancel(Handler* handler)
+        {
+            if(handler != nullptr)
+                handler->canceled = true;
+        }
+
+        void Timer::cancelAll()
+        {
+            for (auto h : mHandlers)
+                cancel(h);
+        }
+
+        Timer::Handler* Timer::every(float dt, TimerCallback callback, void* p, FinishCallback finish)
+        {
+            Handler* t = new Handler(Handler::EVERY, dt, 0, callback, p, finish);
+            mHandlers.push_back(t);
+            return t;
+        }
+
+        Timer::Handler* Timer::after(float dt, TimerCallback callback, void* p, FinishCallback finish)
+        {
+            Handler* t = new Handler(Handler::AFTER, dt, 0, callback, p, finish);
+            mHandlers.push_back(t);
+            return t;
+        }
+
+        Timer::Handler* Timer::repeat(float dt, int count, TimerCallback callback, void* p, FinishCallback finish)
+        {
+            Handler* t = new Handler(Handler::REPEAT, dt, count, callback, p, finish);
+            mHandlers.push_back(t);
+            return t;
+        }
+
+        Timer::Handler::Handler(Type t, float d, int c, TimerCallback f, void* p, FinishCallback finishcallback)
+            : type(t)
+            , duration(d)
+            , count(c)
+            , tickdown(d)
+            , countdown(c)
+            , callback(f)
+            , paramters(p)
+            , canceled(false)
+            , finishCallback(finishcallback)
+        {
+        }
+
+        Timer::Handler::~Handler()
+        {
+            if (finishCallback != nullptr)
+                finishCallback(paramters);
+        }
+
+        void Timer::Handler::process(float dt)
+        {
+            tickdown -= dt;
+            if (tickdown <= 0)
+            {
+                tickdown += duration;
+                if (!canceled && callback != nullptr)
+                    callback(paramters);
+                if (type == EVERY)
+                {
+                }
+                else if (type == AFTER)
+                {
+                    canceled = true;
+                }
+                else if (type == REPEAT)
+                {
+                    --countdown;
+                    if (countdown <= 0)
+                        canceled = true;
+                }
+            }
+        }
+
+        float deltaTime = 0;
+
+    } // namespace Time
+} // namespace JinEngine
+
+#endif // defined(jin_time)
+\ No newline at end of file