[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 | /*************************************************************************** |
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| 30 | terrainscenemanager.cpp - description |
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| 31 | ------------------- |
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| 32 | begin : Mon Sep 23 2002 |
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| 33 | copyright : (C) 2002 by Jon Anderson |
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| 34 | email : janders@users.sf.net |
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| 35 | |
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| 36 | Enhancements 2003 - 2004 (C) The OGRE Team |
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| 37 | |
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| 38 | ***************************************************************************/ |
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| 39 | #include <OgreTerrainSceneManager.h> |
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| 40 | #include <OgreImage.h> |
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| 41 | #include <OgreConfigFile.h> |
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| 42 | #include <OgreMaterial.h> |
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| 43 | #include <OgreTechnique.h> |
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| 44 | #include <OgrePass.h> |
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| 45 | #include <OgreCamera.h> |
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| 46 | #include "OgreException.h" |
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| 47 | #include "OgreStringConverter.h" |
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| 48 | #include "OgreRenderSystem.h" |
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| 49 | #include "OgreRenderSystemCapabilities.h" |
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| 50 | #include "OgreGpuProgram.h" |
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| 51 | #include "OgreGpuProgramManager.h" |
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| 52 | #include "OgreTerrainVertexProgram.h" |
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| 53 | #include "OgreTerrainPage.h" |
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| 54 | #include "OgreLogManager.h" |
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| 55 | #include "OgreResourceGroupManager.h" |
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| 56 | #include "OgreMaterialManager.h" |
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| 57 | #include "OgreHeightmapTerrainPageSource.h" |
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| 58 | #include <fstream> |
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| 59 | |
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| 60 | #define TERRAIN_MATERIAL_NAME "TerrainSceneManager/Terrain" |
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| 61 | |
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| 62 | namespace Ogre |
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| 63 | { |
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| 64 | //------------------------------------------------------------------------- |
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| 65 | //------------------------------------------------------------------------- |
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| 66 | TerrainSceneManager::TerrainSceneManager(const String& name) |
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| 67 | : OctreeSceneManager(name) |
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| 68 | { |
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| 69 | //setDisplaySceneNodes( true ); |
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| 70 | //setShowBoxes( true ); |
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| 71 | |
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| 72 | mUseCustomMaterial = false; |
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| 73 | mUseNamedParameterLodMorph = false; |
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| 74 | mLodMorphParamIndex = 3; |
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| 75 | mTerrainRoot = 0; |
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| 76 | mActivePageSource = 0; |
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| 77 | mPagingEnabled = false; |
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| 78 | mLivePageMargin = 0; |
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| 79 | mBufferedPageMargin = 0; |
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| 80 | |
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| 81 | |
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| 82 | } |
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| 83 | //------------------------------------------------------------------------- |
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| 84 | const String& TerrainSceneManager::getTypeName(void) const |
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| 85 | { |
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| 86 | return TerrainSceneManagerFactory::FACTORY_TYPE_NAME; |
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| 87 | } |
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| 88 | //------------------------------------------------------------------------- |
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| 89 | void TerrainSceneManager::shutdown(void) |
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| 90 | { |
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| 91 | // Make sure the indexes are destroyed during orderly shutdown |
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| 92 | // and not when statics are destroyed (may be too late) |
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| 93 | mIndexCache.shutdown(); |
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| 94 | destroyLevelIndexes(); |
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| 95 | |
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| 96 | // Make sure we free up material (static) |
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| 97 | mOptions.terrainMaterial.setNull(); |
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| 98 | |
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| 99 | // Shut down page source to free terrain pages |
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| 100 | if (mActivePageSource) |
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| 101 | { |
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| 102 | mActivePageSource->shutdown(); |
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| 103 | } |
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| 104 | |
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| 105 | } |
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| 106 | //------------------------------------------------------------------------- |
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| 107 | TerrainSceneManager::~TerrainSceneManager() |
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| 108 | { |
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| 109 | shutdown(); |
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| 110 | } |
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| 111 | //------------------------------------------------------------------------- |
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| 112 | void TerrainSceneManager::loadConfig(DataStreamPtr& stream) |
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| 113 | { |
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| 114 | /* Set up the options */ |
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| 115 | ConfigFile config; |
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| 116 | String val; |
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| 117 | |
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| 118 | config.load( stream ); |
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| 119 | |
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| 120 | val = config.getSetting( "DetailTile" ); |
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| 121 | if ( !val.empty() ) |
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| 122 | setDetailTextureRepeat(atoi(val.c_str())); |
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| 123 | |
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| 124 | val = config.getSetting( "MaxMipMapLevel" ); |
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| 125 | if ( !val.empty() ) |
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| 126 | setMaxGeoMipMapLevel(atoi( val.c_str() )); |
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| 127 | |
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| 128 | |
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| 129 | val = config.getSetting( "PageSize" ); |
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| 130 | if ( !val.empty() ) |
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| 131 | setPageSize(atoi( val.c_str() )); |
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| 132 | else |
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| 133 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSize'", |
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| 134 | "TerrainSceneManager::loadConfig"); |
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| 135 | |
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| 136 | |
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| 137 | val = config.getSetting( "TileSize" ); |
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| 138 | if ( !val.empty() ) |
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| 139 | setTileSize(atoi( val.c_str() )); |
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| 140 | else |
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| 141 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'TileSize'", |
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| 142 | "TerrainSceneManager::loadConfig"); |
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| 143 | |
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| 144 | Vector3 v = Vector3::UNIT_SCALE; |
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| 145 | |
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| 146 | val = config.getSetting( "PageWorldX" ); |
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| 147 | if ( !val.empty() ) |
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| 148 | v.x = atof( val.c_str() ); |
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| 149 | |
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| 150 | val = config.getSetting( "MaxHeight" ); |
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| 151 | if ( !val.empty() ) |
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| 152 | v.y = atof( val.c_str() ); |
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| 153 | |
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| 154 | val = config.getSetting( "PageWorldZ" ); |
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| 155 | if ( !val.empty() ) |
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| 156 | v.z = atof( val.c_str() ); |
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| 157 | |
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| 158 | // Scale x/z relative to pagesize |
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| 159 | v.x /= mOptions.pageSize - 1; |
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| 160 | v.z /= mOptions.pageSize - 1; |
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| 161 | setScale(v); |
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| 162 | |
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| 163 | val = config.getSetting( "MaxPixelError" ); |
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| 164 | if ( !val.empty() ) |
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| 165 | setMaxPixelError(atoi( val.c_str() )); |
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| 166 | |
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| 167 | mDetailTextureName = config.getSetting( "DetailTexture" ); |
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| 168 | |
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| 169 | mWorldTextureName = config.getSetting( "WorldTexture" ); |
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| 170 | |
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| 171 | if ( config.getSetting( "VertexColours" ) == "yes" ) |
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| 172 | mOptions.coloured = true; |
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| 173 | |
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| 174 | if ( config.getSetting( "VertexNormals" ) == "yes" ) |
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| 175 | mOptions.lit = true; |
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| 176 | |
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| 177 | if ( config.getSetting( "UseTriStrips" ) == "yes" ) |
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| 178 | setUseTriStrips(true); |
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| 179 | |
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| 180 | if ( config.getSetting( "VertexProgramMorph" ) == "yes" ) |
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| 181 | setUseLODMorph(true); |
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| 182 | |
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| 183 | val = config.getSetting( "LODMorphStart"); |
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| 184 | if ( !val.empty() ) |
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| 185 | setLODMorphStart(atof(val.c_str())); |
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| 186 | |
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| 187 | val = config.getSetting( "CustomMaterialName" ); |
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| 188 | if ( !val.empty() ) |
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| 189 | setCustomMaterial(val); |
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| 190 | |
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| 191 | val = config.getSetting( "MorphLODFactorParamName" ); |
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| 192 | if ( !val.empty() ) |
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| 193 | setCustomMaterialMorphFactorParam(val); |
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| 194 | |
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| 195 | val = config.getSetting( "MorphLODFactorParamIndex" ); |
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| 196 | if ( !val.empty() ) |
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| 197 | setCustomMaterialMorphFactorParam(atoi(val.c_str())); |
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| 198 | |
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| 199 | // Now scan through the remaining settings, looking for any PageSource |
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| 200 | // prefixed items |
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| 201 | String pageSourceName = config.getSetting("PageSource"); |
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| 202 | if (pageSourceName == "") |
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| 203 | { |
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| 204 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSource'", |
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| 205 | "TerrainSceneManager::loadConfig"); |
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| 206 | } |
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| 207 | TerrainPageSourceOptionList optlist; |
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| 208 | ConfigFile::SettingsIterator setIt = config.getSettingsIterator(); |
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| 209 | while (setIt.hasMoreElements()) |
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| 210 | { |
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| 211 | String name = setIt.peekNextKey(); |
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| 212 | String value = setIt.getNext(); |
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| 213 | if (StringUtil::startsWith(name, pageSourceName, false)) |
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| 214 | { |
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| 215 | optlist.push_back(TerrainPageSourceOption(name, value)); |
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| 216 | } |
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| 217 | } |
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| 218 | // set the page source |
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| 219 | selectPageSource(pageSourceName, optlist); |
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| 220 | |
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| 221 | |
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| 222 | } |
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| 223 | //------------------------------------------------------------------------- |
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| 224 | /* |
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| 225 | void TerrainSceneManager::loadHeightmap(void) |
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| 226 | { |
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| 227 | Image image; |
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| 228 | |
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| 229 | image.load( mHeightmapName ); |
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| 230 | |
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| 231 | //check to make sure it's 2^n + 1 size. |
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| 232 | if ( image.getWidth() != image.getHeight() || |
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| 233 | ! _checkSize( image.getWidth() ) ) |
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| 234 | { |
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| 235 | String err = "Error: Invalid heightmap size : " + |
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| 236 | StringConverter::toString( image.getWidth() ) + |
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| 237 | "," + StringConverter::toString( image.getHeight() ) + |
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| 238 | ". Should be 2^n+1, 2^n+1"; |
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| 239 | OGRE_EXCEPT( Exception::ERR_INVALIDPARAMS, err, "TerrainSceneManager::loadHeightmap" ); |
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| 240 | } |
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| 241 | |
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| 242 | int upperRange = 0; |
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| 243 | int size = image.getWidth(); |
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| 244 | |
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| 245 | if ( image.getFormat() == PF_L8 ) |
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| 246 | { |
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| 247 | upperRange = 255; |
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| 248 | |
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| 249 | // Parse the char data into floats |
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| 250 | mOptions.heightData = new Real[size*size]; |
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| 251 | const uchar* pSrc = image. getData(); |
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| 252 | Real* pDest = mOptions.heightData; |
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| 253 | for (int i = 0; i < size*size; ++i) |
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| 254 | { |
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| 255 | *pDest++ = *pSrc++ * mOptions.scale.y; |
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| 256 | } |
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| 257 | } |
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| 258 | else |
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| 259 | { |
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| 260 | OGRE_EXCEPT( Exception::ERR_INVALIDPARAMS, "Error: Image is not a grayscale image.", |
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| 261 | "TerrainSceneManager::setWorldGeometry" ); |
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| 262 | } |
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| 263 | |
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| 264 | |
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| 265 | // set up the octree size. |
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| 266 | float max_x = mOptions.scale.x * size; |
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| 267 | |
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| 268 | float max_y = upperRange * mOptions.scale.y; |
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| 269 | |
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| 270 | float max_z = mOptions.scale.z * size; |
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| 271 | |
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| 272 | resize( AxisAlignedBox( 0, 0, 0, max_x, max_y, max_z ) ); |
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| 273 | |
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| 274 | mOptions.pageSize = size; |
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| 275 | |
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| 276 | } |
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| 277 | */ |
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| 278 | //------------------------------------------------------------------------- |
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| 279 | void TerrainSceneManager::setupTerrainMaterial(void) |
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| 280 | { |
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| 281 | if (mCustomMaterialName == "") |
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| 282 | { |
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| 283 | // define our own material |
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| 284 | mOptions.terrainMaterial = |
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| 285 | MaterialManager::getSingleton().getByName(TERRAIN_MATERIAL_NAME); |
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| 286 | // Make unique terrain material name |
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| 287 | StringUtil::StrStreamType s; |
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| 288 | s << mName << "/Terrain"; |
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| 289 | mOptions.terrainMaterial = MaterialManager::getSingleton().getByName(s.str()); |
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| 290 | if (mOptions.terrainMaterial.isNull()) |
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| 291 | { |
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| 292 | mOptions.terrainMaterial = MaterialManager::getSingleton().create( |
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| 293 | s.str(), |
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| 294 | ResourceGroupManager::getSingleton().getWorldResourceGroupName()); |
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| 295 | |
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| 296 | } |
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| 297 | else |
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| 298 | { |
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| 299 | mOptions.terrainMaterial->getTechnique(0)->getPass(0)->removeAllTextureUnitStates(); |
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| 300 | } |
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| 301 | |
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| 302 | Pass* pass = mOptions.terrainMaterial->getTechnique(0)->getPass(0); |
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| 303 | |
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| 304 | if ( mWorldTextureName != "" ) |
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| 305 | { |
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| 306 | pass->createTextureUnitState( mWorldTextureName, 0 ); |
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| 307 | } |
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| 308 | if ( mDetailTextureName != "" ) |
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| 309 | { |
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| 310 | pass->createTextureUnitState( mDetailTextureName, 1 ); |
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| 311 | } |
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| 312 | |
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| 313 | mOptions.terrainMaterial -> setLightingEnabled( mOptions.lit ); |
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| 314 | |
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| 315 | if (mOptions.lodMorph && |
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| 316 | mDestRenderSystem->getCapabilities()->hasCapability(RSC_VERTEX_PROGRAM) && |
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| 317 | GpuProgramManager::getSingleton().getByName("Terrain/VertexMorph").isNull()) |
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| 318 | { |
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| 319 | // Create & assign LOD morphing vertex program |
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| 320 | String syntax; |
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| 321 | if (GpuProgramManager::getSingleton().isSyntaxSupported("arbvp1")) |
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| 322 | { |
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| 323 | syntax = "arbvp1"; |
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| 324 | } |
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| 325 | else |
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| 326 | { |
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| 327 | syntax = "vs_1_1"; |
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| 328 | } |
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| 329 | |
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| 330 | // Get source, and take into account current fog mode |
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| 331 | FogMode fm = getFogMode(); |
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| 332 | const String& source = TerrainVertexProgram::getProgramSource( |
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| 333 | fm, syntax); |
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| 334 | |
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| 335 | GpuProgramPtr prog = GpuProgramManager::getSingleton().createProgramFromString( |
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| 336 | "Terrain/VertexMorph", ResourceGroupManager::getSingleton().getWorldResourceGroupName(), |
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| 337 | source, GPT_VERTEX_PROGRAM, syntax); |
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| 338 | |
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| 339 | // Attach |
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| 340 | pass->setVertexProgram("Terrain/VertexMorph"); |
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| 341 | |
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| 342 | // Get params |
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| 343 | GpuProgramParametersSharedPtr params = pass->getVertexProgramParameters(); |
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| 344 | |
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| 345 | // worldviewproj |
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| 346 | params->setAutoConstant(0, GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX); |
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| 347 | // morph factor |
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| 348 | params->setAutoConstant(4, GpuProgramParameters::ACT_CUSTOM, MORPH_CUSTOM_PARAM_ID); |
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| 349 | // fog exp density(if relevant) |
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| 350 | if (fm == FOG_EXP || fm == FOG_EXP2) |
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| 351 | { |
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| 352 | params->setConstant(5, Vector3(getFogDensity(), 0, 0)); |
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| 353 | // Override scene fog since otherwise it's applied twice |
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| 354 | // Set to linear and we derive [0,1] fog value in the shader |
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| 355 | pass->setFog(true, FOG_LINEAR, getFogColour(), 0, 1, 0); |
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| 356 | } |
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| 357 | |
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| 358 | // Also set shadow receiver program |
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| 359 | const String& source2 = TerrainVertexProgram::getProgramSource( |
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| 360 | fm, syntax, true); |
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| 361 | |
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| 362 | prog = GpuProgramManager::getSingleton().createProgramFromString( |
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| 363 | "Terrain/VertexMorphShadowReceive", |
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| 364 | ResourceGroupManager::getSingleton().getWorldResourceGroupName(), |
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| 365 | source2, GPT_VERTEX_PROGRAM, syntax); |
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| 366 | pass->setShadowReceiverVertexProgram("Terrain/VertexMorphShadowReceive"); |
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| 367 | params = pass->getShadowReceiverVertexProgramParameters(); |
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| 368 | // worldviewproj |
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| 369 | params->setAutoConstant(0, GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX); |
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| 370 | // world |
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| 371 | params->setAutoConstant(4, GpuProgramParameters::ACT_WORLD_MATRIX); |
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| 372 | // texture view / proj |
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| 373 | params->setAutoConstant(8, GpuProgramParameters::ACT_TEXTURE_VIEWPROJ_MATRIX); |
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| 374 | // morph factor |
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| 375 | params->setAutoConstant(12, GpuProgramParameters::ACT_CUSTOM, MORPH_CUSTOM_PARAM_ID); |
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| 376 | |
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| 377 | |
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| 378 | // Set param index |
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| 379 | mLodMorphParamName = ""; |
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| 380 | mLodMorphParamIndex = 4; |
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| 381 | } |
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| 382 | |
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| 383 | mOptions.terrainMaterial->load(); |
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| 384 | |
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| 385 | } |
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| 386 | else |
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| 387 | { |
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| 388 | // Custom material |
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| 389 | mOptions.terrainMaterial = |
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| 390 | MaterialManager::getSingleton().getByName(mCustomMaterialName); |
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| 391 | mOptions.terrainMaterial->load(); |
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| 392 | |
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| 393 | } |
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| 394 | |
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| 395 | // now set up the linkage between vertex program and LOD morph param |
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| 396 | if (mOptions.lodMorph) |
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| 397 | { |
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| 398 | Technique* t = mOptions.terrainMaterial->getBestTechnique(); |
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| 399 | for (ushort i = 0; i < t->getNumPasses(); ++i) |
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| 400 | { |
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| 401 | Pass* p = t->getPass(i); |
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| 402 | if (p->hasVertexProgram()) |
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| 403 | { |
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| 404 | // we have to assume vertex program includes LOD morph capability |
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| 405 | GpuProgramParametersSharedPtr params = |
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| 406 | p->getVertexProgramParameters(); |
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| 407 | // Check to see if custom param is already there |
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| 408 | GpuProgramParameters::AutoConstantIterator aci = params->getAutoConstantIterator(); |
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| 409 | bool found = false; |
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| 410 | while (aci.hasMoreElements()) |
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| 411 | { |
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| 412 | const GpuProgramParameters::AutoConstantEntry& ace = aci.getNext(); |
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| 413 | if (ace.paramType == GpuProgramParameters::ACT_CUSTOM && |
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| 414 | ace.data == MORPH_CUSTOM_PARAM_ID) |
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| 415 | { |
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| 416 | found = true; |
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| 417 | } |
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| 418 | } |
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| 419 | if (!found) |
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| 420 | { |
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| 421 | if(mLodMorphParamName != "") |
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| 422 | { |
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| 423 | params->setNamedAutoConstant(mLodMorphParamName, |
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| 424 | GpuProgramParameters::ACT_CUSTOM, MORPH_CUSTOM_PARAM_ID); |
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| 425 | } |
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| 426 | else |
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| 427 | { |
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| 428 | params->setAutoConstant(mLodMorphParamIndex, |
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| 429 | GpuProgramParameters::ACT_CUSTOM, MORPH_CUSTOM_PARAM_ID); |
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| 430 | } |
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| 431 | } |
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| 432 | |
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| 433 | } |
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| 434 | } |
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| 435 | } |
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| 436 | |
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| 437 | } |
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| 438 | //------------------------------------------------------------------------- |
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| 439 | void TerrainSceneManager::setupTerrainPages(void) |
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| 440 | { |
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| 441 | |
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| 442 | //create a root terrain node. |
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| 443 | if (!mTerrainRoot) |
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| 444 | mTerrainRoot = getRootSceneNode() -> createChildSceneNode( "Terrain" ); |
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| 445 | |
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| 446 | //setup the page array. |
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| 447 | unsigned short pageSlots = 1 + (mBufferedPageMargin * 2); |
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| 448 | unsigned short i, j; |
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| 449 | for (i = 0; i < pageSlots; ++i) |
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| 450 | { |
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| 451 | mTerrainPages.push_back(TerrainPageRow()); |
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| 452 | for (j = 0; j < pageSlots; ++j) |
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| 453 | { |
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| 454 | mTerrainPages[i].push_back(0); |
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| 455 | } |
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| 456 | } |
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| 457 | |
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| 458 | // If we're not paging, load immediate for convenience |
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| 459 | if ( mActivePageSource && !mPagingEnabled ) |
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| 460 | mActivePageSource->requestPage(0,0); |
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| 461 | |
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| 462 | |
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| 463 | } |
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| 464 | //------------------------------------------------------------------------- |
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| 465 | void TerrainSceneManager::setWorldGeometry( const String& filename ) |
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| 466 | { |
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| 467 | // try to open in the current folder first |
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| 468 | std::ifstream fs; |
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| 469 | fs.open(filename.c_str(), std::ios::in | std::ios::binary); |
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| 470 | if (fs) |
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| 471 | { |
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| 472 | // Wrap as a stream |
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| 473 | DataStreamPtr stream( |
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| 474 | new FileStreamDataStream(filename, &fs, false)); |
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| 475 | setWorldGeometry(stream); |
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| 476 | } |
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| 477 | else |
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| 478 | { |
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| 479 | // otherwise try resource system |
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| 480 | DataStreamPtr stream = |
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| 481 | ResourceGroupManager::getSingleton().openResource(filename, |
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| 482 | ResourceGroupManager::getSingleton().getWorldResourceGroupName()); |
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| 483 | |
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| 484 | setWorldGeometry(stream); |
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| 485 | } |
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| 486 | } |
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| 487 | //------------------------------------------------------------------------- |
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| 488 | void TerrainSceneManager::setWorldGeometry(DataStreamPtr& stream, const String& typeName ) |
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| 489 | { |
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| 490 | // Clear out any existing world resources (if not default) |
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| 491 | if (ResourceGroupManager::getSingleton().getWorldResourceGroupName() != |
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| 492 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME) |
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| 493 | { |
---|
| 494 | ResourceGroupManager::getSingleton().clearResourceGroup( |
---|
| 495 | ResourceGroupManager::getSingleton().getWorldResourceGroupName()); |
---|
| 496 | } |
---|
| 497 | destroyLevelIndexes(); |
---|
| 498 | mTerrainPages.clear(); |
---|
| 499 | // Load the configuration |
---|
| 500 | loadConfig(stream); |
---|
| 501 | initLevelIndexes(); |
---|
| 502 | |
---|
| 503 | // Resize the octree, allow for 1 page for now |
---|
| 504 | float max_x = mOptions.scale.x * mOptions.pageSize; |
---|
| 505 | float max_y = mOptions.scale.y; |
---|
| 506 | float max_z = mOptions.scale.z * mOptions.pageSize; |
---|
| 507 | resize( AxisAlignedBox( 0, 0, 0, max_x, max_y, max_z ) ); |
---|
| 508 | |
---|
| 509 | setupTerrainMaterial(); |
---|
| 510 | |
---|
| 511 | setupTerrainPages(); |
---|
| 512 | |
---|
| 513 | } |
---|
| 514 | //------------------------------------------------------------------------- |
---|
| 515 | void TerrainSceneManager::clearScene(void) |
---|
| 516 | { |
---|
| 517 | OctreeSceneManager::clearScene(); |
---|
| 518 | mTerrainPages.clear(); |
---|
| 519 | destroyLevelIndexes(); |
---|
| 520 | // Octree has destroyed our root |
---|
| 521 | mTerrainRoot = 0; |
---|
| 522 | } |
---|
| 523 | //------------------------------------------------------------------------- |
---|
| 524 | void TerrainSceneManager::_renderScene(Camera* cam, Viewport *vp, bool includeOverlays) |
---|
| 525 | { |
---|
| 526 | // For now, no paging and expect immediate response |
---|
| 527 | if (!mTerrainPages.empty() && mTerrainPages[0][0] == 0) |
---|
| 528 | { |
---|
| 529 | mActivePageSource->requestPage(0, 0); |
---|
| 530 | } |
---|
| 531 | SceneManager::_renderScene(cam, vp, includeOverlays); |
---|
| 532 | |
---|
| 533 | } |
---|
| 534 | //------------------------------------------------------------------------- |
---|
| 535 | void TerrainSceneManager::attachPage(ushort pageX, ushort pageZ, TerrainPage* page) |
---|
| 536 | { |
---|
| 537 | assert(pageX == 0 && pageZ == 0 && "Multiple pages not yet supported"); |
---|
| 538 | |
---|
| 539 | assert(mTerrainPages[pageX][pageZ] == 0 && "Page at that index not yet expired!"); |
---|
| 540 | // Insert page into list |
---|
| 541 | mTerrainPages[pageX][pageZ] = page; |
---|
| 542 | // Attach page to terrain root |
---|
| 543 | if (page->pageSceneNode->getParentSceneNode() != mTerrainRoot) |
---|
| 544 | mTerrainRoot->addChild(page->pageSceneNode); |
---|
| 545 | |
---|
| 546 | } |
---|
| 547 | //------------------------------------------------------------------------- |
---|
| 548 | void TerrainSceneManager::_renderVisibleObjects( void ) |
---|
| 549 | { |
---|
| 550 | |
---|
| 551 | OctreeSceneManager::_renderVisibleObjects(); |
---|
| 552 | |
---|
| 553 | } |
---|
| 554 | //------------------------------------------------------------------------- |
---|
| 555 | float TerrainSceneManager::getHeightAt( float x, float z ) |
---|
| 556 | { |
---|
| 557 | |
---|
| 558 | |
---|
| 559 | Vector3 pt( x, 0, z ); |
---|
| 560 | |
---|
| 561 | TerrainRenderable * t = getTerrainTile( pt ); |
---|
| 562 | |
---|
| 563 | if ( t == 0 ) |
---|
| 564 | { |
---|
| 565 | // printf( "No tile found for point\n" ); |
---|
| 566 | return -1; |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | float h = t -> getHeightAt( x, z ); |
---|
| 570 | |
---|
| 571 | // printf( "Height is %f\n", h ); |
---|
| 572 | return h; |
---|
| 573 | |
---|
| 574 | } |
---|
| 575 | //------------------------------------------------------------------------- |
---|
| 576 | TerrainPage* TerrainSceneManager::getTerrainPage( const Vector3 & pt ) |
---|
| 577 | { |
---|
| 578 | if (mPagingEnabled) |
---|
| 579 | { |
---|
| 580 | // TODO |
---|
| 581 | return 0; |
---|
| 582 | } |
---|
| 583 | else |
---|
| 584 | { |
---|
| 585 | // Single page |
---|
| 586 | if (mTerrainPages.empty() || mTerrainPages[0].empty()) |
---|
| 587 | return 0; |
---|
| 588 | return mTerrainPages[0][0]; |
---|
| 589 | } |
---|
| 590 | } |
---|
| 591 | //------------------------------------------------------------------------- |
---|
| 592 | TerrainRenderable * TerrainSceneManager::getTerrainTile( const Vector3 & pt ) |
---|
| 593 | { |
---|
| 594 | TerrainPage* tp = getTerrainPage(pt); |
---|
| 595 | if (!tp) |
---|
| 596 | return NULL; |
---|
| 597 | else |
---|
| 598 | return tp->getTerrainTile(pt); |
---|
| 599 | } |
---|
| 600 | //------------------------------------------------------------------------- |
---|
| 601 | bool TerrainSceneManager::intersectSegment( const Vector3 & start, |
---|
| 602 | const Vector3 & end, Vector3 * result ) |
---|
| 603 | { |
---|
| 604 | TerrainRenderable * t = getTerrainTile( start ); |
---|
| 605 | |
---|
| 606 | if ( t == 0 ) |
---|
| 607 | { |
---|
| 608 | *result = Vector3( -1, -1, -1 ); |
---|
| 609 | return false; |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | return t -> intersectSegment( start, end, result ); |
---|
| 613 | } |
---|
| 614 | //------------------------------------------------------------------------- |
---|
| 615 | void TerrainSceneManager::setUseTriStrips(bool useStrips) |
---|
| 616 | { |
---|
| 617 | mOptions.useTriStrips = useStrips; |
---|
| 618 | } |
---|
| 619 | //------------------------------------------------------------------------- |
---|
| 620 | void TerrainSceneManager::setUseLODMorph(bool morph) |
---|
| 621 | { |
---|
| 622 | // Set true only if vertex programs are supported |
---|
| 623 | mOptions.lodMorph = morph && |
---|
| 624 | mDestRenderSystem->getCapabilities()->hasCapability(RSC_VERTEX_PROGRAM); |
---|
| 625 | } |
---|
| 626 | //------------------------------------------------------------------------- |
---|
| 627 | void TerrainSceneManager::setUseVertexNormals(bool useNormals) |
---|
| 628 | { |
---|
| 629 | mOptions.lit = useNormals; |
---|
| 630 | } |
---|
| 631 | //------------------------------------------------------------------------- |
---|
| 632 | void TerrainSceneManager::setUseVertexColours(bool useColours) |
---|
| 633 | { |
---|
| 634 | mOptions.coloured = useColours; |
---|
| 635 | } |
---|
| 636 | //------------------------------------------------------------------------- |
---|
| 637 | void TerrainSceneManager::setWorldTexture(const String& textureName) |
---|
| 638 | { |
---|
| 639 | mWorldTextureName = textureName; |
---|
| 640 | } |
---|
| 641 | //------------------------------------------------------------------------- |
---|
| 642 | void TerrainSceneManager::setDetailTexture(const String& textureName) |
---|
| 643 | { |
---|
| 644 | mDetailTextureName = textureName; |
---|
| 645 | |
---|
| 646 | } |
---|
| 647 | //------------------------------------------------------------------------- |
---|
| 648 | void TerrainSceneManager::setDetailTextureRepeat(int repeat) |
---|
| 649 | { |
---|
| 650 | mOptions.detailTile = repeat; |
---|
| 651 | } |
---|
| 652 | //------------------------------------------------------------------------- |
---|
| 653 | void TerrainSceneManager::setTileSize(int size) |
---|
| 654 | { |
---|
| 655 | mOptions.tileSize = size; |
---|
| 656 | } |
---|
| 657 | //------------------------------------------------------------------------- |
---|
| 658 | void TerrainSceneManager::setPageSize(int size) |
---|
| 659 | { |
---|
| 660 | mOptions.pageSize = size; |
---|
| 661 | } |
---|
| 662 | //------------------------------------------------------------------------- |
---|
| 663 | void TerrainSceneManager::setMaxPixelError(int pixelError) |
---|
| 664 | { |
---|
| 665 | mOptions.maxPixelError = pixelError; |
---|
| 666 | } |
---|
| 667 | //------------------------------------------------------------------------- |
---|
| 668 | void TerrainSceneManager::setScale(const Vector3& scale) |
---|
| 669 | { |
---|
| 670 | mOptions.scale = scale; |
---|
| 671 | } |
---|
| 672 | //------------------------------------------------------------------------- |
---|
| 673 | void TerrainSceneManager::setMaxGeoMipMapLevel(int maxMip) |
---|
| 674 | { |
---|
| 675 | mOptions.maxGeoMipMapLevel = maxMip; |
---|
| 676 | } |
---|
| 677 | //------------------------------------------------------------------------- |
---|
| 678 | void TerrainSceneManager::setCustomMaterial(const String& materialName) |
---|
| 679 | { |
---|
| 680 | mCustomMaterialName = materialName; |
---|
| 681 | if (materialName != "") |
---|
| 682 | mUseCustomMaterial = true; |
---|
| 683 | else |
---|
| 684 | mUseCustomMaterial = false; |
---|
| 685 | } |
---|
| 686 | //------------------------------------------------------------------------- |
---|
| 687 | void TerrainSceneManager::setCustomMaterialMorphFactorParam(const String& paramName) |
---|
| 688 | { |
---|
| 689 | mUseNamedParameterLodMorph = true; |
---|
| 690 | mLodMorphParamName = paramName; |
---|
| 691 | |
---|
| 692 | } |
---|
| 693 | //------------------------------------------------------------------------- |
---|
| 694 | void TerrainSceneManager::setCustomMaterialMorphFactorParam(size_t paramIndex) |
---|
| 695 | { |
---|
| 696 | mUseNamedParameterLodMorph = false; |
---|
| 697 | mLodMorphParamIndex = paramIndex; |
---|
| 698 | } |
---|
| 699 | //------------------------------------------------------------------------- |
---|
| 700 | void TerrainSceneManager::setLODMorphStart(Real morphStart) |
---|
| 701 | { |
---|
| 702 | mOptions.lodMorphStart = morphStart; |
---|
| 703 | } |
---|
| 704 | //------------------------------------------------------------------------- |
---|
| 705 | Camera* TerrainSceneManager::createCamera( const String &name ) |
---|
| 706 | { |
---|
| 707 | Camera* c = OctreeSceneManager::createCamera(name); |
---|
| 708 | |
---|
| 709 | // Set primary camera, if none |
---|
| 710 | if (!mOptions.primaryCamera) |
---|
| 711 | setPrimaryCamera(c); |
---|
| 712 | |
---|
| 713 | return c; |
---|
| 714 | |
---|
| 715 | } |
---|
| 716 | //------------------------------------------------------------------------- |
---|
| 717 | void TerrainSceneManager::setPrimaryCamera(const Camera* cam) |
---|
| 718 | { |
---|
| 719 | mOptions.primaryCamera = cam; |
---|
| 720 | } |
---|
| 721 | //------------------------------------------------------------------------- |
---|
| 722 | bool TerrainSceneManager::setOption( const String & name, const void *value ) |
---|
| 723 | { |
---|
| 724 | if (name == "PageSize") |
---|
| 725 | { |
---|
| 726 | setPageSize(*static_cast<const int*>(value)); |
---|
| 727 | return true; |
---|
| 728 | } |
---|
| 729 | else if (name == "TileSize") |
---|
| 730 | { |
---|
| 731 | setTileSize(*static_cast<const int*>(value)); |
---|
| 732 | return true; |
---|
| 733 | } |
---|
| 734 | else if (name == "PrimaryCamera") |
---|
| 735 | { |
---|
| 736 | setPrimaryCamera(static_cast<const Camera*>(value)); |
---|
| 737 | return true; |
---|
| 738 | } |
---|
| 739 | else if (name == "MaxMipMapLevel") |
---|
| 740 | { |
---|
| 741 | setMaxGeoMipMapLevel(*static_cast<const int*>(value)); |
---|
| 742 | return true; |
---|
| 743 | } |
---|
| 744 | else if (name == "Scale") |
---|
| 745 | { |
---|
| 746 | setScale(*static_cast<const Vector3*>(value)); |
---|
| 747 | return true; |
---|
| 748 | } |
---|
| 749 | else if (name == "MaxPixelError") |
---|
| 750 | { |
---|
| 751 | setMaxPixelError(*static_cast<const int*>(value)); |
---|
| 752 | return true; |
---|
| 753 | } |
---|
| 754 | else if (name == "UseTriStrips") |
---|
| 755 | { |
---|
| 756 | setUseTriStrips(*static_cast<const bool*>(value)); |
---|
| 757 | return true; |
---|
| 758 | } |
---|
| 759 | else if (name == "VertexProgramMorph") |
---|
| 760 | { |
---|
| 761 | setUseLODMorph(*static_cast<const bool*>(value)); |
---|
| 762 | return true; |
---|
| 763 | } |
---|
| 764 | else if (name == "DetailTile") |
---|
| 765 | { |
---|
| 766 | setDetailTextureRepeat(*static_cast<const int*>(value)); |
---|
| 767 | return true; |
---|
| 768 | } |
---|
| 769 | else if (name == "LodMorphStart") |
---|
| 770 | { |
---|
| 771 | setLODMorphStart(*static_cast<const Real*>(value)); |
---|
| 772 | return true; |
---|
| 773 | } |
---|
| 774 | else if (name == "VertexNormals") |
---|
| 775 | { |
---|
| 776 | setUseVertexNormals(*static_cast<const bool*>(value)); |
---|
| 777 | return true; |
---|
| 778 | } |
---|
| 779 | else if (name == "VertexColours") |
---|
| 780 | { |
---|
| 781 | setUseVertexColours(*static_cast<const bool*>(value)); |
---|
| 782 | return true; |
---|
| 783 | } |
---|
| 784 | else if (name == "MorphLODFactorParamName") |
---|
| 785 | { |
---|
| 786 | setCustomMaterialMorphFactorParam(*static_cast<const String*>(value)); |
---|
| 787 | return true; |
---|
| 788 | } |
---|
| 789 | else if (name == "MorphLODFactorParamIndex") |
---|
| 790 | { |
---|
| 791 | setCustomMaterialMorphFactorParam(*static_cast<const size_t*>(value)); |
---|
| 792 | return true; |
---|
| 793 | } |
---|
| 794 | else if (name == "CustomMaterialName") |
---|
| 795 | { |
---|
| 796 | setCustomMaterial(*static_cast<const String*>(value)); |
---|
| 797 | return true; |
---|
| 798 | } |
---|
| 799 | else if (name == "WorldTexture") |
---|
| 800 | { |
---|
| 801 | setWorldTexture(*static_cast<const String*>(value)); |
---|
| 802 | return true; |
---|
| 803 | } |
---|
| 804 | else if (name == "DetailTexture") |
---|
| 805 | { |
---|
| 806 | setDetailTexture(*static_cast<const String*>(value)); |
---|
| 807 | return true; |
---|
| 808 | } |
---|
| 809 | else |
---|
| 810 | { |
---|
| 811 | return OctreeSceneManager::setOption(name, value); |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | return false; |
---|
| 815 | } |
---|
| 816 | //------------------------------------------------------------------------- |
---|
| 817 | void TerrainSceneManager::registerPageSource(const String& typeName, |
---|
| 818 | TerrainPageSource* source) |
---|
| 819 | { |
---|
| 820 | std::pair<PageSourceMap::iterator, bool> retPair = |
---|
| 821 | mPageSources.insert( |
---|
| 822 | PageSourceMap::value_type(typeName, source)); |
---|
| 823 | if (!retPair.second) |
---|
| 824 | { |
---|
| 825 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM, |
---|
| 826 | "The page source " + typeName + " is already registered", |
---|
| 827 | "TerrainSceneManager::registerPageSource"); |
---|
| 828 | } |
---|
| 829 | LogManager::getSingleton().logMessage( |
---|
| 830 | "TerrainSceneManager: Registered a new PageSource for " |
---|
| 831 | "type " + typeName); |
---|
| 832 | } |
---|
| 833 | //------------------------------------------------------------------------- |
---|
| 834 | void TerrainSceneManager::selectPageSource(const String& typeName, |
---|
| 835 | TerrainPageSourceOptionList& optionList) |
---|
| 836 | { |
---|
| 837 | PageSourceMap::iterator i = mPageSources.find(typeName); |
---|
| 838 | if (i == mPageSources.end()) |
---|
| 839 | { |
---|
| 840 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 841 | "Cannot locate a TerrainPageSource for type " + typeName, |
---|
| 842 | "TerrainSceneManager::selectPageSource"); |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | if (mActivePageSource) |
---|
| 846 | { |
---|
| 847 | mActivePageSource->shutdown(); |
---|
| 848 | } |
---|
| 849 | mActivePageSource = i->second; |
---|
| 850 | mActivePageSource->initialise(this, mOptions.tileSize, mOptions.pageSize, |
---|
| 851 | mPagingEnabled, optionList); |
---|
| 852 | |
---|
| 853 | LogManager::getSingleton().logMessage( |
---|
| 854 | "TerrainSceneManager: Activated PageSource " + typeName); |
---|
| 855 | |
---|
| 856 | } |
---|
| 857 | //------------------------------------------------------------------------- |
---|
| 858 | int TerrainSceneManager::getDetailTextureRepeat(void) |
---|
| 859 | { |
---|
| 860 | return mOptions.detailTile; |
---|
| 861 | } |
---|
| 862 | //------------------------------------------------------------------------- |
---|
| 863 | int TerrainSceneManager::getTileSize(void) |
---|
| 864 | { |
---|
| 865 | return mOptions.tileSize; |
---|
| 866 | } |
---|
| 867 | //------------------------------------------------------------------------- |
---|
| 868 | int TerrainSceneManager::getPageSize(void) |
---|
| 869 | { |
---|
| 870 | return mOptions.pageSize; |
---|
| 871 | } |
---|
| 872 | //------------------------------------------------------------------------- |
---|
| 873 | int TerrainSceneManager::getMaxPixelError(void) |
---|
| 874 | { |
---|
| 875 | return mOptions.maxPixelError; |
---|
| 876 | } |
---|
| 877 | //------------------------------------------------------------------------- |
---|
| 878 | const Vector3& TerrainSceneManager::getScale(void) |
---|
| 879 | { |
---|
| 880 | return mOptions.scale; |
---|
| 881 | } |
---|
| 882 | //------------------------------------------------------------------------- |
---|
| 883 | int TerrainSceneManager::getMaxGeoMipMapLevel(void) |
---|
| 884 | { |
---|
| 885 | return mOptions.maxGeoMipMapLevel; |
---|
| 886 | } |
---|
| 887 | //----------------------------------------------------------------------- |
---|
| 888 | void TerrainSceneManager::initLevelIndexes() |
---|
| 889 | { |
---|
| 890 | if ( mLevelIndex.size() == 0 ) |
---|
| 891 | { |
---|
| 892 | for ( int i = 0; i < 16; i++ ) |
---|
| 893 | { |
---|
| 894 | |
---|
| 895 | mLevelIndex.push_back( new IndexMap() ); |
---|
| 896 | |
---|
| 897 | } |
---|
| 898 | |
---|
| 899 | } |
---|
| 900 | } |
---|
| 901 | //----------------------------------------------------------------------- |
---|
| 902 | void TerrainSceneManager::destroyLevelIndexes() |
---|
| 903 | { |
---|
| 904 | for ( int i = 0; i < mLevelIndex.size(); i++ ) |
---|
| 905 | { |
---|
| 906 | delete mLevelIndex[i]; |
---|
| 907 | } |
---|
| 908 | mLevelIndex.clear(); |
---|
| 909 | } |
---|
| 910 | //------------------------------------------------------------------------- |
---|
| 911 | //------------------------------------------------------------------------- |
---|
| 912 | RaySceneQuery* |
---|
| 913 | TerrainSceneManager::createRayQuery(const Ray& ray, unsigned long mask) |
---|
| 914 | { |
---|
| 915 | TerrainRaySceneQuery *trsq = new TerrainRaySceneQuery(this); |
---|
| 916 | trsq->setRay(ray); |
---|
| 917 | trsq->setQueryMask(mask); |
---|
| 918 | return trsq; |
---|
| 919 | } |
---|
| 920 | //------------------------------------------------------------------------- |
---|
| 921 | TerrainRaySceneQuery::TerrainRaySceneQuery(SceneManager* creator) |
---|
| 922 | :OctreeRaySceneQuery(creator) |
---|
| 923 | { |
---|
| 924 | mSupportedWorldFragments.insert(SceneQuery::WFT_SINGLE_INTERSECTION); |
---|
| 925 | } |
---|
| 926 | //------------------------------------------------------------------------- |
---|
| 927 | TerrainRaySceneQuery::~TerrainRaySceneQuery() |
---|
| 928 | { |
---|
| 929 | } |
---|
| 930 | //------------------------------------------------------------------------- |
---|
| 931 | void TerrainRaySceneQuery::execute(RaySceneQueryListener* listener) |
---|
| 932 | { |
---|
| 933 | mWorldFrag.fragmentType = SceneQuery::WFT_SINGLE_INTERSECTION; |
---|
| 934 | |
---|
| 935 | const Vector3& dir = mRay.getDirection(); |
---|
| 936 | const Vector3& origin = mRay.getOrigin(); |
---|
| 937 | // Straight up / down? |
---|
| 938 | if (dir == Vector3::UNIT_Y || dir == Vector3::NEGATIVE_UNIT_Y) |
---|
| 939 | { |
---|
| 940 | Real height = static_cast<TerrainSceneManager*>(mParentSceneMgr)->getHeightAt( |
---|
| 941 | origin.x, origin.z); |
---|
| 942 | if (height != -1 && (height <= origin.y && dir.y < 0) || (height >= origin.y && dir.y > 0)) |
---|
| 943 | { |
---|
| 944 | mWorldFrag.singleIntersection.x = origin.x; |
---|
| 945 | mWorldFrag.singleIntersection.z = origin.z; |
---|
| 946 | mWorldFrag.singleIntersection.y = height; |
---|
| 947 | if (!listener->queryResult(&mWorldFrag, |
---|
| 948 | (mWorldFrag.singleIntersection - origin).length())) |
---|
| 949 | return; |
---|
| 950 | } |
---|
| 951 | } |
---|
| 952 | else |
---|
| 953 | { |
---|
| 954 | // Perform arbitrary query |
---|
| 955 | if (static_cast<TerrainSceneManager*>(mParentSceneMgr)->intersectSegment( |
---|
| 956 | origin, origin + (dir * 100000), &mWorldFrag.singleIntersection)) |
---|
| 957 | { |
---|
| 958 | if (!listener->queryResult(&mWorldFrag, |
---|
| 959 | (mWorldFrag.singleIntersection - origin).length())) |
---|
| 960 | return; |
---|
| 961 | } |
---|
| 962 | |
---|
| 963 | |
---|
| 964 | } |
---|
| 965 | OctreeRaySceneQuery::execute(listener); |
---|
| 966 | |
---|
| 967 | } |
---|
| 968 | //------------------------------------------------------------------------- |
---|
| 969 | MaterialPtr& TerrainSceneManager::getTerrainMaterial(void) |
---|
| 970 | { |
---|
| 971 | return mOptions.terrainMaterial; |
---|
| 972 | } |
---|
| 973 | //------------------------------------------------------------------------- |
---|
| 974 | TerrainSceneManager::PageSourceIterator TerrainSceneManager::getPageSourceIterator(void) |
---|
| 975 | { |
---|
| 976 | return PageSourceIterator(mPageSources.begin(), mPageSources.end()); |
---|
| 977 | } |
---|
| 978 | //------------------------------------------------------------------------- |
---|
| 979 | void TerrainSceneManager::setWorldGeometryRenderQueue(uint8 qid) |
---|
| 980 | { |
---|
| 981 | OctreeSceneManager::setWorldGeometryRenderQueue(qid); |
---|
| 982 | |
---|
| 983 | for (TerrainPage2D::iterator pi = mTerrainPages.begin(); |
---|
| 984 | pi != mTerrainPages.end(); ++pi) |
---|
| 985 | { |
---|
| 986 | TerrainPageRow& row = *pi; |
---|
| 987 | for (TerrainPageRow::iterator ri = row.begin(); ri != row.end(); ++ri) |
---|
| 988 | { |
---|
| 989 | TerrainPage* page = *ri; |
---|
| 990 | if (page) |
---|
| 991 | { |
---|
| 992 | page->setRenderQueue(qid); |
---|
| 993 | } |
---|
| 994 | } |
---|
| 995 | } |
---|
| 996 | |
---|
| 997 | } |
---|
| 998 | |
---|
| 999 | //----------------------------------------------------------------------- |
---|
| 1000 | const String TerrainSceneManagerFactory::FACTORY_TYPE_NAME = "TerrainSceneManager"; |
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| 1001 | //----------------------------------------------------------------------- |
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| 1002 | TerrainSceneManagerFactory::TerrainSceneManagerFactory() |
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| 1003 | { |
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| 1004 | } |
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| 1005 | //----------------------------------------------------------------------- |
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| 1006 | TerrainSceneManagerFactory::~TerrainSceneManagerFactory() |
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| 1007 | { |
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| 1008 | for (TerrainPageSources::iterator i = mTerrainPageSources.begin(); |
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| 1009 | i != mTerrainPageSources.end(); ++i) |
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| 1010 | { |
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| 1011 | delete *i; |
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| 1012 | } |
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| 1013 | mTerrainPageSources.clear(); |
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| 1014 | } |
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| 1015 | //----------------------------------------------------------------------- |
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| 1016 | void TerrainSceneManagerFactory::initMetaData(void) const |
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| 1017 | { |
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| 1018 | mMetaData.typeName = FACTORY_TYPE_NAME; |
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| 1019 | mMetaData.description = "Scene manager which generally organises the scene on " |
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| 1020 | "the basis of an octree, but also supports terrain world geometry. "; |
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| 1021 | mMetaData.sceneTypeMask = ST_EXTERIOR_CLOSE; // previous compatiblity |
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| 1022 | mMetaData.worldGeometrySupported = true; |
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| 1023 | } |
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| 1024 | //----------------------------------------------------------------------- |
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| 1025 | SceneManager* TerrainSceneManagerFactory::createInstance( |
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| 1026 | const String& instanceName) |
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| 1027 | { |
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| 1028 | TerrainSceneManager* tsm = new TerrainSceneManager(instanceName); |
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| 1029 | // Create & register default sources (one per manager) |
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| 1030 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource(); |
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| 1031 | mTerrainPageSources.push_back(ps); |
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| 1032 | tsm->registerPageSource("Heightmap", ps); |
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| 1033 | |
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| 1034 | return tsm; |
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| 1035 | |
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| 1036 | } |
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| 1037 | //----------------------------------------------------------------------- |
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| 1038 | void TerrainSceneManagerFactory::destroyInstance(SceneManager* instance) |
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| 1039 | { |
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| 1040 | delete instance; |
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| 1041 | } |
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| 1042 | |
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| 1043 | |
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| 1044 | } //namespace |
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