[1] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreTerrainPageSource.h" |
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| 30 | #include "OgreTerrainPage.h" |
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| 31 | #include "OgreTerrainRenderable.h" |
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| 32 | #include "OgreSceneNode.h" |
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| 33 | #include "OgreTerrainSceneManager.h" |
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| 34 | |
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| 35 | namespace Ogre { |
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| 36 | |
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| 37 | //----------------------------------------------------------------------- |
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| 38 | template<> TerrainPageSourceListenerManager* Singleton<TerrainPageSourceListenerManager>::ms_Singleton = 0; |
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| 39 | TerrainPageSourceListenerManager* TerrainPageSourceListenerManager::getSingletonPtr(void) |
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| 40 | { |
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| 41 | return ms_Singleton; |
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| 42 | } |
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| 43 | TerrainPageSourceListenerManager& TerrainPageSourceListenerManager::getSingleton(void) |
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| 44 | { |
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| 45 | assert( ms_Singleton ); return ( *ms_Singleton ); |
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| 46 | } |
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| 47 | //------------------------------------------------------------------------- |
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| 48 | void TerrainPageSourceListenerManager::addListener(TerrainPageSourceListener* pl) |
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| 49 | { |
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| 50 | mPageSourceListeners.push_back(pl); |
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| 51 | } |
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| 52 | //------------------------------------------------------------------------- |
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| 53 | void TerrainPageSourceListenerManager::removeListener(TerrainPageSourceListener* pl) |
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| 54 | { |
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| 55 | PageSourceListenerList::iterator i, iend; |
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| 56 | iend = mPageSourceListeners.end(); |
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| 57 | for(i = mPageSourceListeners.begin(); i != iend; ++i) |
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| 58 | { |
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| 59 | if (*i == pl) |
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| 60 | { |
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| 61 | mPageSourceListeners.erase(i); |
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| 62 | break; |
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| 63 | } |
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| 64 | } |
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| 65 | } |
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| 66 | //------------------------------------------------------------------------- |
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| 67 | void TerrainPageSourceListenerManager::firePageConstructed( |
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| 68 | TerrainSceneManager* sm, size_t pagex, size_t pagez, Real* heightData) |
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| 69 | { |
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| 70 | PageSourceListenerList::iterator i, iend; |
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| 71 | iend = mPageSourceListeners.end(); |
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| 72 | for(i = mPageSourceListeners.begin(); i != iend; ++i) |
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| 73 | { |
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| 74 | (*i)->pageConstructed(sm, pagex, pagez, heightData); |
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| 75 | } |
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| 76 | } |
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| 77 | //------------------------------------------------------------------------- |
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| 78 | TerrainPageSource::TerrainPageSource() : mSceneManager(0), mAsyncLoading(false) { |
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| 79 | } |
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| 80 | //------------------------------------------------------------------------- |
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| 81 | TerrainPage* TerrainPageSource::buildPage(Real* heightData, const MaterialPtr& pMaterial) |
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| 82 | { |
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| 83 | String name; |
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| 84 | |
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| 85 | // Create a Terrain Page |
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| 86 | TerrainPage* page = new TerrainPage((mPageSize-1) / (mTileSize-1)); |
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| 87 | // Create a node for all tiles to be attached to |
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| 88 | // Note we sequentially name since page can be attached at different points |
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| 89 | // so page x/z is not appropriate |
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| 90 | StringUtil::StrStreamType page_str; |
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| 91 | size_t pageIndex = mSceneManager->_getPageCount(); |
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| 92 | page_str << pageIndex; |
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| 93 | name = "page["; |
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| 94 | name += page_str.str() + "]"; |
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| 95 | if (mSceneManager->hasSceneNode(name)) |
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| 96 | { |
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| 97 | page->pageSceneNode = mSceneManager->getSceneNode(name); |
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| 98 | } |
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| 99 | else |
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| 100 | { |
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| 101 | page->pageSceneNode = mSceneManager->createSceneNode(name); |
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| 102 | } |
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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; |
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| 118 | if (mSceneManager->hasSceneNode(name)) |
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| 119 | { |
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| 120 | c = mSceneManager->getSceneNode( name ); |
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| 121 | if (c->getParentSceneNode() != page->pageSceneNode) |
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| 122 | page->pageSceneNode->addChild(c); |
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| 123 | } |
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| 124 | else |
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| 125 | { |
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| 126 | c = page->pageSceneNode->createChildSceneNode( name ); |
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| 127 | } |
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| 128 | |
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| 129 | TerrainRenderable *tile = new TerrainRenderable(name, mSceneManager); |
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| 130 | // set queue |
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| 131 | tile->setRenderQueueGroup(mSceneManager->getWorldGeometryRenderQueue()); |
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| 132 | // Initialise the tile |
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| 133 | tile->setMaterial(pMaterial); |
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| 134 | tile->initialise(i, j, heightData); |
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| 135 | // Attach it to the page |
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| 136 | page->tiles[ p ][ q ] = tile; |
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| 137 | // Attach it to the node |
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| 138 | c ->attachObject( tile ); |
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| 139 | p++; |
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| 140 | } |
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| 141 | |
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| 142 | q++; |
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| 143 | |
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| 144 | } |
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| 145 | |
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| 146 | pageIndex++; |
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| 147 | |
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| 148 | // calculate neighbours for page |
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| 149 | page->linkNeighbours(); |
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| 150 | |
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| 151 | if(mSceneManager->getOptions().lit) |
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| 152 | { |
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| 153 | q = 0; |
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| 154 | for ( size_t j = 0; j < mPageSize - 1; j += ( mTileSize - 1 ) ) |
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| 155 | { |
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| 156 | size_t p = 0; |
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| 157 | |
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| 158 | for ( size_t i = 0; i < mPageSize - 1; i += ( mTileSize - 1 ) ) |
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| 159 | { |
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| 160 | page->tiles[ p ][ q ]->_calculateNormals(); |
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| 161 | p++; |
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| 162 | } |
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| 163 | q++; |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | return page; |
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| 168 | } |
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| 169 | //------------------------------------------------------------------------- |
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| 170 | void TerrainPageSource::firePageConstructed(size_t pagex, size_t pagez, Real* heightData) |
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| 171 | { |
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| 172 | TerrainPageSourceListenerManager::getSingleton().firePageConstructed( |
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| 173 | mSceneManager, pagex, pagez, heightData); |
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| 174 | } |
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| 175 | //------------------------------------------------------------------------- |
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| 176 | void TerrainPageSource::addListener(TerrainPageSourceListener* pl) |
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| 177 | { |
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| 178 | TerrainPageSourceListenerManager::getSingleton().addListener(pl); |
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| 179 | } |
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| 180 | //------------------------------------------------------------------------- |
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| 181 | void TerrainPageSource::removeListener(TerrainPageSourceListener* pl) |
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| 182 | { |
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| 183 | TerrainPageSourceListenerManager::getSingleton().removeListener(pl); |
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| 184 | |
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| 185 | } |
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| 186 | //------------------------------------------------------------------------- |
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| 187 | |
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| 188 | } |
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