add Application::Pause & Application::Resume

src/kiwano/2d/action/ActionScheduler.h

@@ -23,6 +23,7 @@
 
 namespace kiwano
 {
+
 /**
  * \addtogroup Actions
  * @{

src/kiwano/core/Time.cpp

@@ -24,6 +24,7 @@
 #include <regex>
 #include <unordered_map>
 #include <chrono>
+#include <thread>
 
 namespace kiwano
 {
@@ -231,6 +232,17 @@ float Duration::Hours() const
     return static_cast<float>(hour) + static_cast<float>(ms) / (60 * 60 * 1000.f);
 }
 
+void Duration::Sleep() const
+{
+    using std::chrono::milliseconds;
+    using std::this_thread::sleep_for;
+
+    if (milliseconds_)
+    {
+        sleep_for(milliseconds(milliseconds_));
+    }
+}
+
 String Duration::ToString() const
 {
     if (IsZero())

src/kiwano/core/Time.h

@@ -96,6 +96,10 @@ struct KGE_API Duration
     /// @param hours 小时数
     void SetHours(float hours);
 
+    /// \~chinese
+    /// @brief ÐÝÃß
+    void Sleep() const;
+
     /// \~chinese
     /// @brief 转为字符串
     String ToString() const;

src/kiwano/event/EventDispatcher.h

@@ -30,7 +30,7 @@ typedef IntrusiveList<EventListenerPtr> ListenerList;
 
 /**
  * \~chinese
- * @brief 事件分发系统
+ * @brief 事件分发器
  */
 class KGE_API EventDispatcher
 {

src/kiwano/platform/Application.cpp

@@ -36,11 +36,15 @@ int GetVersion()
 
 Application::Application()
     : running_(false)
+    , is_paused_(false)
     , time_scale_(1.f)
 {
     Use(Renderer::GetInstance());
     Use(Input::GetInstance());
     Use(Director::GetInstance());
+
+    ticker_ = Ticker::Create(0);
+    ticker_->Tick();
 }
 
 Application::~Application()
@@ -52,8 +56,8 @@ void Application::Run(RunnerPtr runner, bool debug)
 {
     KGE_ASSERT(runner);
     runner_ = runner;
-    timer_   = Timer::Create();
     running_ = true;
+    is_paused_ = false;
 
     // Setup all modules
     for (auto c : modules_)
@@ -72,15 +76,34 @@ void Application::Run(RunnerPtr runner, bool debug)
 
     while (running_)
     {
-        timer_->Tick();
-
-        if (!runner->MainLoop(timer_->GetDeltaTime()))
-            running_ = false;
+        if (ticker_->Tick())
+        {
+            if (!runner->MainLoop(ticker_->GetDeltaTime()))
+                running_ = false;
+        }
     }
 
     this->Destroy();
 }
 
+void Application::Pause()
+{
+    is_paused_ = true;
+    if (ticker_)
+    {
+        ticker_->Pause();
+    }
+}
+
+void Application::Resume()
+{
+    is_paused_ = false;
+    if (ticker_)
+    {
+        ticker_->Resume();
+    }
+}
+
 void Application::Quit()
 {
     running_ = false;
@@ -130,7 +153,7 @@ void Application::DispatchEvent(EventPtr evt)
 
 void Application::DispatchEvent(Event* evt)
 {
-    if (!running_)
+    if (!running_ /* Dispatch events even if application is paused */)
         return;
 
     for (auto comp : modules_)
@@ -144,7 +167,7 @@ void Application::DispatchEvent(Event* evt)
 
 void Application::Update(Duration dt)
 {
-    if (!running_)
+    if (!running_ || is_paused_)
         return;
 
     // Before update
@@ -198,7 +221,7 @@ void Application::Update(Duration dt)
 
 void Application::Render()
 {
-    if (!running_)
+    if (!running_ /* Render even if application is paused */)
         return;
 
     Renderer& renderer = Renderer::GetInstance();

src/kiwano/platform/Application.h

@@ -27,7 +27,7 @@
 #include <kiwano/event/Event.h>
 #include <kiwano/platform/Runner.h>
 #include <kiwano/platform/Window.h>
-#include <kiwano/utils/Timer.h>
+#include <kiwano/utils/Ticker.h>
 
 namespace kiwano
 {
@@ -60,6 +60,18 @@ public:
      */
     void Run(RunnerPtr runner, bool debug = false);
 
+    /**
+     * \~chinese
+     * @brief 暂停应用程序
+     */
+    void Pause();
+
+    /**
+     * \~chinese
+     * @brief 继续应用程序
+     */
+    void Resume();
+
     /**
      * \~chinese
      * @brief ÖÕÖ¹Ó¦ÓóÌÐò
@@ -80,15 +92,15 @@ public:
 
     /**
      * \~chinese
-     * @brief 获取计时器
+     * @brief 获取报时器
      */
-    TimerPtr GetTimer() const;
+    TickerPtr GetTicker() const;
 
     /**
      * \~chinese
-     * @brief 是否正在运行
+     * @brief 获取暂停状态
      */
-    bool IsRunning() const;
+    bool IsPaused() const;
 
     /**
      * \~chinese
@@ -151,9 +163,10 @@ public:
 
 private:
     bool                    running_;
+    bool                    is_paused_;
     float                   time_scale_;
     RunnerPtr               runner_;
-    TimerPtr                timer_;
+    TickerPtr               ticker_;
     List<Module*>           modules_;
     std::mutex              perform_mutex_;
     Queue<Function<void()>> functions_to_perform_;
@@ -170,14 +183,14 @@ inline WindowPtr Application::GetMainWindow() const
     return runner_->GetMainWindow();
 }
 
-inline TimerPtr Application::GetTimer() const
+inline TickerPtr Application::GetTicker() const
 {
-    return timer_;
+    return ticker_;
 }
 
-inline bool Application::IsRunning() const
+inline bool Application::IsPaused() const
 {
-    return running_;
+    return is_paused_;
 }
 
 }  // namespace kiwano

src/kiwano/platform/Runner.cpp

@@ -21,6 +21,8 @@
 #include <kiwano/platform/Runner.h>
 #include <kiwano/platform/Application.h>
 
+#define KGE_MAX_SKIP_FRAMES 10
+
 namespace kiwano
 {
 
@@ -95,6 +97,12 @@ bool Runner::MainLoop(Duration dt)
     }
 
     app.Render();
+
+    if (app.IsPaused())
+    {
+        // Slow down when the application is paused
+        Duration(5).Sleep();
+    }
     return true;
 }
 

src/kiwano/platform/win32/WindowImpl.cpp

@@ -573,11 +573,7 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
 
             is_minimized_ = true;
             // Pause game when window is minimized
-            if (Application::GetInstance().IsRunning())
-            {
-                TimerPtr timer = Application::GetInstance().GetTimer();
-                timer->Pause();
-            }
+            Application::GetInstance().Pause();
         }
         else if (SIZE_MAXIMIZED == wparam)
         {
@@ -586,11 +582,7 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
             if (is_minimized_)
             {
                 is_minimized_ = false;
-                if (Application::GetInstance().IsRunning())
-                {
-                    TimerPtr timer = Application::GetInstance().GetTimer();
-                    timer->Resume();
-                }
+                Application::GetInstance().Resume();
             }
         }
         else if (wparam == SIZE_RESTORED)
@@ -601,11 +593,7 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
 
                 // the window was restored and was previously minimized
                 is_minimized_ = false;
-                if (Application::GetInstance().IsRunning())
-                {
-                    TimerPtr timer = Application::GetInstance().GetTimer();
-                    timer->Resume();
-                }
+                Application::GetInstance().Resume();
             }
             else if (is_resizing_)
             {
@@ -630,22 +618,14 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
     case WM_ENTERSIZEMOVE:
     {
         is_resizing_ = true;
-        if (Application::GetInstance().IsRunning())
-        {
-            TimerPtr timer = Application::GetInstance().GetTimer();
-            timer->Pause();
-        }
+        Application::GetInstance().Pause();
         return 0;
     }
 
     case WM_EXITSIZEMOVE:
     {
         is_resizing_ = false;
-        if (Application::GetInstance().IsRunning())
-        {
-            TimerPtr timer = Application::GetInstance().GetTimer();
-            timer->Resume();
-        }
+        Application::GetInstance().Resume();
 
         // Send window resized event when client size changed
         RECT client_rect = { 0 };

src/kiwano/utils/TaskScheduler.cpp

@@ -23,6 +23,7 @@
 
 namespace kiwano
 {
+
 void TaskScheduler::Update(Duration dt)
 {
     if (tasks_.IsEmpty())