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103 lines
3.2 KiB
103 lines
3.2 KiB
4 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include "plKeyRefSort.h"
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#include "../pnKeyedObject/plKeyImp.h"
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#include <algorithm>
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std::vector<plKey>* plKeyRefSort::fKeys = nil;
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std::vector<plKeyRefSort::KeyRefs> plKeyRefSort::fNumRefs;
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int plKeyRefSort::CountRefsRecur(plKey key, std::vector<plKey>& traversedKeys)
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{
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int numRefs = 0;
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if (std::find(traversedKeys.begin(), traversedKeys.end(), key) == traversedKeys.end())
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{
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traversedKeys.push_back(key);
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plKeyImp* iKey = (plKeyImp*)key;
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for (int i = 0; i < iKey->GetNumRefs(); i++)
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{
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plKey refKey = iKey->GetRef(i);
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if (std::find(fKeys->begin(), fKeys->end(), refKey) != fKeys->end())
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numRefs++;
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numRefs += CountRefsRecur(refKey, traversedKeys);
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}
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}
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return numRefs;
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}
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class RefComp
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{
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public:
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bool operator() (plKey key1, plKey key2) const
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{
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std::vector<plKeyRefSort::KeyRefs>::iterator it1 = std::find(plKeyRefSort::fNumRefs.begin(), plKeyRefSort::fNumRefs.end(), key1);
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std::vector<plKeyRefSort::KeyRefs>::iterator it2 = std::find(plKeyRefSort::fNumRefs.begin(), plKeyRefSort::fNumRefs.end(), key2);
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return ((*it1).fNumRefs < (*it2).fNumRefs);
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}
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};
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void plKeyRefSort::Sort(std::vector<plKey>* keys)
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{
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fKeys = keys;
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int numKeys = keys->size();
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fNumRefs.resize(numKeys);
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int i;
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for (i = 0; i < numKeys; i++)
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{
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plKey curKey = (*keys)[i];
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std::vector<plKey> traversedKeys;
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int numRefs = CountRefsRecur(curKey, traversedKeys);
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fNumRefs[i] = KeyRefs(curKey, numRefs);
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}
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std::sort(fKeys->begin(), fKeys->end(), RefComp());
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14 years ago
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}
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