00001 /****************************************************************************** 00002 * Protocce Engine * 00003 * Part of the Crown and Cutlass Project * 00004 * http://www.crownandcutlass.com * 00005 * Copyright (c) 2004 - 2008 David Thulson and Collin Sanford * 00006 * All rights reserved. * 00007 * * 00008 * Redistribution and use in source and binary forms, with or without * 00009 * modification, are permitted provided that the following conditions * 00010 * are met: * 00011 * 1. Redistributions of source code must retain the above copyright * 00012 * notice, this list of conditions and the following disclaimer. * 00013 * 2. Redistributions in binary form must reproduce the above copyright * 00014 * notice, this list of conditions and the following disclaimer in the * 00015 * documentation and/or other materials provided with the distribution. * 00016 * 3. The names of the authors may not be used to endorse or promote products * 00017 * derived from this software without specific prior written permission. * 00018 * * 00019 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * 00020 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * 00021 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * 00022 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * 00023 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * 00024 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * 00025 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * 00026 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * 00027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * 00028 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * 00029 * * 00030 ******************************************************************************/ 00031 00032 #ifndef _PCCE_IRESOURCE_H_ 00033 #define _PCCE_IRESOURCE_H_ 00034 00035 #include <string> 00036 #include <boost/intrusive_ptr.hpp> 00037 #include <boost/thread/mutex.hpp> 00038 00039 namespace pcce { 00040 00041 class IResource { 00042 public: 00043 IResource(const std::string& name); 00044 virtual ~IResource(); 00045 00046 void Load(); 00047 void Unload(); 00048 00049 std::string GetName(); 00050 00051 std::string GetGroup(); 00052 00053 // This should only be called by the ResourceManager, change this to enforce that! 00054 void SetGroup(const std::string& group); 00055 00056 unsigned int GetRefCount(); 00057 00058 friend void intrusive_ptr_add_ref(IResource* r); 00059 friend void intrusive_ptr_release(IResource* r); 00060 00061 protected: 00062 virtual bool vDoLoad() = 0; 00063 virtual bool vDoUnload() = 0; 00064 00065 virtual std::string vGetType() = 0; 00066 00067 private: 00068 boost::mutex mMutex; 00069 unsigned int mRefCount; 00070 bool mLoaded; 00071 std::string mName; 00072 std::string mGroup; 00073 00074 unsigned int AddRef(); 00075 unsigned int Release(); 00076 }; 00077 00078 typedef boost::intrusive_ptr< IResource > tIResourcePtr; 00079 void intrusive_ptr_add_ref(IResource* r); 00080 void intrusive_ptr_release(IResource* r); 00081 00082 } 00083 00084 #endif
1.5.5