2 files changed, 132 insertions, 0 deletions
diff --git a/src/libjin/Game/Game.cpp b/src/libjin/Game/Game.cpp
new file mode 100644
index 0000000..3f905f2
--- /dev/null
+++ b/src/libjin/Game/Game.cpp
@@ -0,0 +1,74 @@
+#include "game.h"
+#include "../Time/Timer.h"
+#include "../input/Event.h"
+#include "../Graphics/Window.h"
+#include "../Math/Math.h"
+#include <iostream>
+
+namespace jin
+{
+namespace core
+{
+
+    using namespace jin::graphics;
+    using namespace jin::input;
+    using namespace jin::time;
+    using namespace jin::math;
+
+    Game::Game() :_running(true) {};
+
+    void Game::run()
+    {
+		if (_onLoad != nullptr)
+			_onLoad();
+        Window* wnd = Window::get();
+        const int FPS = wnd ? wnd->getFPS() : 60;
+        const int MS_PER_UPDATE = 1000.0f / FPS;
+        _running = true;
+        Event e;
+        int previous = getMilliSecond();
+        int dt = MS_PER_UPDATE;
+        while (_running)
+        {
+            while (jin::input::pollEvent(&e))
+            {
+				if (_onEvent != nullptr)
+					_onEvent(&e);
+                if (!_running) goto quitloop;
+            }
+			if (_onUpdate != nullptr) _onUpdate(dt);
+			if (_onDraw != nullptr) _onDraw();
+            wnd->swapBuffers();
+            const int current = getMilliSecond();
+            dt = current - previous;
+            const int wait = MS_PER_UPDATE - (current - previous);
+            previous += MS_PER_UPDATE;
+            if (wait > 0)
+            {
+                sleep(wait);
+                dt = MS_PER_UPDATE;
+            }
+            else
+                previous = current;
+        }
+    quitloop:;
+    }
+
+    bool Game::initSystem(const SettingBase* setting)
+    {
+        if (setting == nullptr)
+            return false; 
+        Game::Setting* s = (Game::Setting*) setting;
+        _onEvent = s->eventHandler;
+        _onUpdate = s->updater;
+        _onDraw = s->drawer;
+        _onLoad = s->loader;
+        return true;
+    }
+
+    void Game::quitSystem()
+    {
+    }
+
+} // core
+} // jin
+\ No newline at end of file
diff --git a/src/libjin/Game/Game.h b/src/libjin/Game/Game.h
new file mode 100644
index 0000000..725c62c
--- /dev/null
+++ b/src/libjin/Game/Game.h
@@ -0,0 +1,58 @@
+#ifndef __LIBJIN_CORE_GAME_H
+#define __LIBJIN_CORE_GAME_H
+
+#include "SDL2/SDL.h"
+
+#include "../Common/Subsystem.hpp"
+#include "../utils/macros.h"
+#include "../Input/Event.h"
+
+namespace jin
+{
+namespace core
+{
+
+    class Game : public Subsystem<Game>
+    {
+    public:
+
+        typedef void(*onLoad)();
+        typedef void(*onEvent)(jin::input::Event* e);
+        typedef void(*onUpdate)(int dt);
+        typedef void(*onDraw)();
+
+        struct Setting : SettingBase
+        {
+            onEvent eventHandler;
+            onUpdate updater;
+            onDraw drawer;
+            onLoad loader;
+        };
+
+        void run();
+        inline void stop() { _running = false; };
+        inline bool running() { return _running; };
+
+    private:
+    
+        Game();
+        ~Game() {};
+
+        SINGLETON(Game);
+        
+        onEvent  _onEvent; 
+        onUpdate _onUpdate;
+        onDraw   _onDraw;
+        onLoad   _onLoad;
+
+        bool _running;
+
+        bool initSystem(const SettingBase* setting);
+        void quitSystem();
+
+    };
+
+} // core
+} // jin
+
+#endif // __LIBJIN_CORE_GAME_H