[1273] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | /*
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| 26 | -----------------------------------------------------------------------------
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| 27 | This source file is part of the GameTools Project
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| 28 | http://www.gametools.org
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| 29 |
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| 30 | Author: Martin Szydlowski
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| 31 | -----------------------------------------------------------------------------
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| 32 | */
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| 33 |
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| 34 | #include <OgreSceneNode.h>
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| 35 | #include "OgreKdTerrainPage.h"
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| 36 | #include "OgreKdTerrainRenderable.h"
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| 37 | #include "OgreKdTerrainPageSource.h"
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| 38 | #include "OgreKdTerrainSceneManager.h"
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| 39 |
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| 40 | #pragma warning(disable : 4267)
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| 41 |
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| 42 | namespace Ogre {
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| 43 |
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| 44 | //-----------------------------------------------------------------------
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| 45 | template<> KdTerrainPageSourceListenerManager* Singleton<KdTerrainPageSourceListenerManager>::ms_Singleton = 0;
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| 46 | KdTerrainPageSourceListenerManager* KdTerrainPageSourceListenerManager::getSingletonPtr(void)
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| 47 | {
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| 48 | return ms_Singleton;
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| 49 | }
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| 50 | KdTerrainPageSourceListenerManager& KdTerrainPageSourceListenerManager::getSingleton(void)
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| 51 | {
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| 52 | assert( ms_Singleton ); return ( *ms_Singleton );
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| 53 | }
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| 54 | //-------------------------------------------------------------------------
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| 55 | void KdTerrainPageSourceListenerManager::addListener(KdTerrainPageSourceListener* pl)
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| 56 | {
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| 57 | mPageSourceListeners.push_back(pl);
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| 58 | }
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| 59 | //-------------------------------------------------------------------------
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| 60 | void KdTerrainPageSourceListenerManager::removeListener(KdTerrainPageSourceListener* pl)
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| 61 | {
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| 62 | KdPageSourceListenerList::iterator i, iend;
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| 63 | iend = mPageSourceListeners.end();
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| 64 | for(i = mPageSourceListeners.begin(); i != iend; ++i)
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| 65 | {
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| 66 | if (*i == pl)
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| 67 | {
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| 68 | mPageSourceListeners.erase(i);
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| 69 | break;
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| 70 | }
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| 71 | }
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| 72 | }
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| 73 | //-------------------------------------------------------------------------
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| 74 | void KdTerrainPageSourceListenerManager::firePageConstructed(
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| 75 | KdTerrainSceneManager* sm, uint pagex, uint pagez, Real* heightData)
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| 76 | {
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| 77 | KdPageSourceListenerList::iterator i, iend;
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| 78 | iend = mPageSourceListeners.end();
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| 79 | for(i = mPageSourceListeners.begin(); i != iend; ++i)
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| 80 | {
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| 81 | (*i)->pageConstructed(sm, pagex, pagez, heightData);
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| 82 | }
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| 83 | }
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| 84 | //-------------------------------------------------------------------------
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| 85 | KdTerrainPageSource::KdTerrainPageSource() : mSceneManager(0), mAsyncLoading(false) {
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| 86 | }
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| 87 | //-------------------------------------------------------------------------
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| 88 | KdTerrainPage* KdTerrainPageSource::buildPage(Real* heightData, const MaterialPtr& pMaterial)
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| 89 | {
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| 90 | String name;
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| 91 |
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| 92 | // Create a Terrain Page
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| 93 | KdTerrainPage* page = new KdTerrainPage((mPageSize-1) / (mTileSize-1));
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| 94 | // Create a node for all tiles to be attached to
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| 95 | // Note we sequentially name since page can be attached at different points
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| 96 | // so page x/z is not appropriate
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| 97 | StringUtil::StrStreamType page_str;
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| 98 | uint pageIndex = mSceneManager->_getPageCount();
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| 99 | page_str << pageIndex;
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| 100 | name = "page[";
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| 101 | name += page_str.str() + "]";
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| 102 | page->pageSceneNode = mSceneManager->createSceneNode(name);
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| 103 |
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| 104 | size_t q = 0;
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| 105 | for ( size_t j = 0; j < mPageSize - 1; j += ( mTileSize - 1 ) )
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| 106 | {
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| 107 | size_t p = 0;
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| 108 |
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| 109 | for ( size_t i = 0; i < mPageSize - 1; i += ( mTileSize - 1 ) )
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| 110 | {
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| 111 | StringUtil::StrStreamType new_name_str;
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| 112 |
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| 113 | // Create scene node for the tile and the TerrainRenderable
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| 114 | new_name_str << "tile[" << pageIndex << "][" << (int)p << "," << (int)q << "]";
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| 115 | name = new_name_str.str();
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| 116 |
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| 117 | SceneNode *c = page->pageSceneNode->createChildSceneNode( name );
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| 118 | KdTerrainRenderable *tile = new KdTerrainRenderable(name, mSceneManager);
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| 119 | // set queue
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| 120 | tile->setRenderQueueGroup(mSceneManager->getWorldGeometryRenderQueue());
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| 121 | // Initialise the tile
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| 122 | tile->setMaterial(pMaterial);
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| 123 | tile->initialise(i, j, heightData);
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| 124 | // Attach it to the page
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| 125 | page->tiles[ p ][ q ] = tile;
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| 126 | // Attach it to the node
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| 127 | c ->attachObject( tile );
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| 128 | p++;
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| 129 | }
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| 130 |
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| 131 | q++;
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| 132 |
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| 133 | }
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| 134 |
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| 135 | pageIndex++;
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| 136 |
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| 137 | // calculate neighbours for page
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| 138 | page->linkNeighbours();
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| 139 |
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| 140 | if(mSceneManager->getOptions().lit)
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| 141 | {
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| 142 | q = 0;
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| 143 | for ( size_t j = 0; j < mPageSize - 1; j += ( mTileSize - 1 ) )
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| 144 | {
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| 145 | size_t p = 0;
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| 146 |
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| 147 | for ( size_t i = 0; i < mPageSize - 1; i += ( mTileSize - 1 ) )
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| 148 | {
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| 149 | page->tiles[ p ][ q ]->_calculateNormals();
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| 150 | p++;
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| 151 | }
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| 152 | q++;
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | return page;
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| 157 | }
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| 158 | //-------------------------------------------------------------------------
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| 159 | void KdTerrainPageSource::firePageConstructed(size_t pagex, size_t pagez, Real* heightData)
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| 160 | {
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| 161 | KdTerrainPageSourceListenerManager::getSingleton().firePageConstructed(
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| 162 | mSceneManager, pagex, pagez, heightData);
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| 163 | }
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| 164 | //-------------------------------------------------------------------------
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| 165 | void KdTerrainPageSource::addListener(KdTerrainPageSourceListener* pl)
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| 166 | {
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| 167 | KdTerrainPageSourceListenerManager::getSingleton().addListener(pl);
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| 168 | }
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| 169 | //-------------------------------------------------------------------------
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| 170 | void KdTerrainPageSource::removeListener(KdTerrainPageSourceListener* pl)
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| 171 | {
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| 172 | KdTerrainPageSourceListenerManager::getSingleton().removeListener(pl);
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| 173 |
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| 174 | }
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| 175 | //-------------------------------------------------------------------------
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| 176 |
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| 177 | }
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