Set dp branch as trunk

ResourceManager.h

@@ -0,0 +1,45 @@
+#ifndef RESOURCEMANAGER_H
+#define RESOURCEMANAGER_H 1
+
+#include <vector>
+#include <algorithm>
+
+#pragma hdrstop
+
+class Resource
+{
+
+public:
+    virtual void Release() = 0;
+    double GetLastUsage() const { return _lastUsage; }
+
+protected:
+    void SetLastUsage(double lastUsage) { _lastUsage = lastUsage; }
+
+private:
+    double _lastUsage;
+
+};
+
+class ResourceManager
+{
+
+public:
+    static void Register(Resource* resource);
+    static void Unregister(Resource* resource);
+
+    static void Sweep(double currentTime);
+    static void SetExpiry(double expiry) { _expiry = expiry; }
+
+private:
+    typedef std::vector<Resource*> Resources;
+
+    static double _expiry;
+    static double _lastUpdate;
+    static double _lastReport;
+    
+    static Resources _resources;
+
+};
+
+#endif