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 | #include "OgreXMLMeshSerializer.h"
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28 | #include "OgreSubMesh.h"
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29 | #include "OgreLogManager.h"
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30 | #include "OgreSkeleton.h"
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31 | #include "OgreStringConverter.h"
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32 | #include "OgreHardwareBufferManager.h"
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33 | #include "OgreException.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 | XMLMeshSerializer::XMLMeshSerializer()
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39 | {
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40 | }
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41 | //---------------------------------------------------------------------
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42 | XMLMeshSerializer::~XMLMeshSerializer()
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43 | {
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44 | }
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45 | //---------------------------------------------------------------------
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46 | void XMLMeshSerializer::importMesh(const String& filename, Mesh* pMesh)
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47 | {
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48 | LogManager::getSingleton().logMessage("XMLMeshSerializer reading mesh data from " + filename + "...");
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49 | mpMesh = pMesh;
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50 | mXMLDoc = new TiXmlDocument(filename);
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51 | mXMLDoc->LoadFile();
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52 |
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53 | TiXmlElement* elem;
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54 |
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55 | TiXmlElement* rootElem = mXMLDoc->RootElement();
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56 |
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57 | // shared geometry
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58 | elem = rootElem->FirstChildElement("sharedgeometry");
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59 | if (elem)
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60 | {
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61 | if(StringConverter::parseInt(elem->Attribute("vertexcount")) > 0)
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62 | {
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63 | mpMesh->sharedVertexData = new VertexData();
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64 | readGeometry(elem, mpMesh->sharedVertexData);
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65 | }
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66 | }
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67 |
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68 | // submeshes
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69 | elem = rootElem->FirstChildElement("submeshes");
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70 | if (elem)
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71 | readSubMeshes(elem);
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72 |
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73 | // skeleton link
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74 | elem = rootElem->FirstChildElement("skeletonlink");
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75 | if (elem)
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76 | readSkeletonLink(elem);
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77 |
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78 | // bone assignments
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79 | elem = rootElem->FirstChildElement("boneassignments");
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80 | if (elem)
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81 | readBoneAssignments(elem);
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82 |
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83 | //Lod
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84 | elem = rootElem->FirstChildElement("levelofdetail");
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85 | if (elem)
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86 | readLodInfo(elem);
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87 |
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88 | // submesh names
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89 | elem = rootElem->FirstChildElement("submeshnames");
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90 | if (elem)
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91 | readSubMeshNames(elem, mpMesh);
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92 |
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93 | delete mXMLDoc;
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94 |
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95 | LogManager::getSingleton().logMessage("XMLMeshSerializer import successful.");
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96 |
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97 | }
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98 | //---------------------------------------------------------------------
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99 | void XMLMeshSerializer::exportMesh(const Mesh* pMesh, const String& filename)
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100 | {
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101 | LogManager::getSingleton().logMessage("XMLMeshSerializer writing mesh data to " + filename + "...");
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102 |
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103 | mpMesh = const_cast<Mesh*>(pMesh);
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104 |
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105 | mXMLDoc = new TiXmlDocument();
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106 | mXMLDoc->InsertEndChild(TiXmlElement("mesh"));
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107 | TiXmlElement* rootNode = mXMLDoc->RootElement();
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108 |
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109 | LogManager::getSingleton().logMessage("Populating DOM...");
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110 |
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111 |
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112 |
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113 | // Write to DOM
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114 | writeMesh(pMesh);
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115 | LogManager::getSingleton().logMessage("DOM populated, writing XML file..");
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116 |
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117 | // Write out to a file
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118 | mXMLDoc->SaveFile(filename);
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119 |
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120 |
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121 | delete mXMLDoc;
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122 |
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123 | LogManager::getSingleton().logMessage("XMLMeshSerializer export successful.");
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124 |
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125 | }
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126 | //---------------------------------------------------------------------
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127 | void XMLMeshSerializer::writeMesh(const Mesh* pMesh)
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128 | {
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129 | TiXmlElement* rootNode = mXMLDoc->RootElement();
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130 | // Write geometry
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131 | if (pMesh->sharedVertexData)
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132 | {
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133 | TiXmlElement* geomNode =
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134 | rootNode->InsertEndChild(TiXmlElement("sharedgeometry"))->ToElement();
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135 | writeGeometry(geomNode, pMesh->sharedVertexData);
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136 | }
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137 |
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138 | // Write Submeshes
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139 | TiXmlElement* subMeshesNode =
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140 | rootNode->InsertEndChild(TiXmlElement("submeshes"))->ToElement();
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141 | for (int i = 0; i < pMesh->getNumSubMeshes(); ++i)
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142 | {
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143 | LogManager::getSingleton().logMessage("Writing submesh...");
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144 | writeSubMesh(subMeshesNode, pMesh->getSubMesh(i));
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145 | LogManager::getSingleton().logMessage("Submesh exported.");
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146 | }
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147 |
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148 | // Write skeleton info if required
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149 | if (pMesh->hasSkeleton())
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150 | {
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151 | LogManager::getSingleton().logMessage("Exporting skeleton link...");
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152 | // Write skeleton link
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153 | writeSkeletonLink(rootNode, pMesh->getSkeletonName());
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154 | LogManager::getSingleton().logMessage("Skeleton link exported.");
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155 |
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156 | // Write bone assignments
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157 | Mesh::BoneAssignmentIterator bi = const_cast<Mesh*>(pMesh)->getBoneAssignmentIterator();
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158 | if (bi.hasMoreElements())
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159 | {
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160 | LogManager::getSingleton().logMessage("Exporting shared geometry bone assignments...");
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161 | TiXmlElement* boneAssignNode =
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162 | rootNode->InsertEndChild(TiXmlElement("boneassignments"))->ToElement();
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163 |
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164 | while (bi.hasMoreElements())
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165 | {
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166 | writeBoneAssignment(boneAssignNode, &(bi.getNext()));
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167 | }
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168 |
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169 | LogManager::getSingleton().logMessage("Shared geometry bone assignments exported.");
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170 | }
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171 | }
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172 | if (pMesh->getNumLodLevels() > 1)
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173 | {
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174 | LogManager::getSingleton().logMessage("Exporting LOD information...");
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175 | writeLodInfo(rootNode, pMesh);
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176 | LogManager::getSingleton().logMessage("LOD information exported.");
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177 | }
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178 | // Write submesh names
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179 | writeSubMeshNames(rootNode, pMesh);
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180 |
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181 |
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182 |
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183 |
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184 |
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185 | }
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186 | //---------------------------------------------------------------------
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187 | void XMLMeshSerializer::writeSubMesh(TiXmlElement* mSubMeshesNode, const SubMesh* s)
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188 | {
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189 | TiXmlElement* subMeshNode =
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190 | mSubMeshesNode->InsertEndChild(TiXmlElement("submesh"))->ToElement();
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191 |
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192 | size_t numFaces;
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193 |
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194 | // Material name
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195 | subMeshNode->SetAttribute("material", s->getMaterialName());
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196 | // bool useSharedVertices
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197 | subMeshNode->SetAttribute("usesharedvertices",
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198 | StringConverter::toString(s->useSharedVertices) );
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199 | // bool use32BitIndexes
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200 | bool use32BitIndexes = (s->indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
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201 | subMeshNode->SetAttribute("use32bitindexes",
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202 | StringConverter::toString( use32BitIndexes ));
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203 |
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204 | // Operation type
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205 | switch(s->operationType)
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206 | {
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207 | case RenderOperation::OT_LINE_LIST:
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208 | case RenderOperation::OT_LINE_STRIP:
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209 | case RenderOperation::OT_POINT_LIST:
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210 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Unsupported operation type, only "
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211 | "triangle types are allowed.", "XMLMeshSerializer::writeSubMesh");
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212 | break;
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213 | case RenderOperation::OT_TRIANGLE_FAN:
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214 | subMeshNode->SetAttribute("operationtype", "triangle_fan");
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215 | break;
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216 | case RenderOperation::OT_TRIANGLE_LIST:
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217 | subMeshNode->SetAttribute("operationtype", "triangle_list");
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218 | break;
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219 | case RenderOperation::OT_TRIANGLE_STRIP:
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220 | subMeshNode->SetAttribute("operationtype", "triangle_strip");
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221 | break;
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222 | }
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223 |
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224 | // Faces
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225 | TiXmlElement* facesNode =
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226 | subMeshNode->InsertEndChild(TiXmlElement("faces"))->ToElement();
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227 | if (s->operationType == RenderOperation::OT_TRIANGLE_LIST)
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228 | {
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229 | // tri list
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230 | numFaces = s->indexData->indexCount / 3;
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231 | }
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232 | else
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233 | {
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234 | // triangle fan or triangle strip
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235 | numFaces = s->indexData->indexCount - 2;
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236 | }
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237 | facesNode->SetAttribute("count",
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238 | StringConverter::toString(numFaces));
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239 | // Write each face in turn
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240 | ushort i;
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241 | unsigned int* pInt;
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242 | unsigned short* pShort;
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243 | HardwareIndexBufferSharedPtr ibuf = s->indexData->indexBuffer;
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244 | if (use32BitIndexes)
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245 | {
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246 | pInt = static_cast<unsigned int*>(
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247 | ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
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248 | }
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249 | else
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250 | {
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251 | pShort = static_cast<unsigned short*>(
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252 | ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
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253 | }
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254 | for (i = 0; i < numFaces; ++i)
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255 | {
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256 | TiXmlElement* faceNode =
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257 | facesNode->InsertEndChild(TiXmlElement("face"))->ToElement();
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258 | if (use32BitIndexes)
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259 | {
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260 | faceNode->SetAttribute("v1", StringConverter::toString(*pInt++));
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261 | /// Only need all 3 vertex indices if trilist or first face
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262 | if (s->operationType == RenderOperation::OT_TRIANGLE_LIST || i == 0)
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263 | {
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264 | faceNode->SetAttribute("v2", StringConverter::toString(*pInt++));
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265 | faceNode->SetAttribute("v3", StringConverter::toString(*pInt++));
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266 | }
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267 | }
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268 | else
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269 | {
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270 | faceNode->SetAttribute("v1", StringConverter::toString(*pShort++));
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271 | /// Only need all 3 vertex indices if trilist or first face
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272 | if (s->operationType == RenderOperation::OT_TRIANGLE_LIST || i == 0)
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273 | {
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274 | faceNode->SetAttribute("v2", StringConverter::toString(*pShort++));
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275 | faceNode->SetAttribute("v3", StringConverter::toString(*pShort++));
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276 | }
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277 | }
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278 | }
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279 |
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280 | // M_GEOMETRY chunk (Optional: present only if useSharedVertices = false)
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281 | if (!s->useSharedVertices)
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282 | {
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283 | TiXmlElement* geomNode =
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284 | subMeshNode->InsertEndChild(TiXmlElement("geometry"))->ToElement();
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285 | writeGeometry(geomNode, s->vertexData);
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286 | }
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287 |
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288 | // Bone assignments
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289 | if (mpMesh->hasSkeleton())
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290 | {
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291 | SubMesh::BoneAssignmentIterator bi = const_cast<SubMesh*>(s)->getBoneAssignmentIterator();
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292 | LogManager::getSingleton().logMessage("Exporting dedicated geometry bone assignments...");
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293 |
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294 | TiXmlElement* boneAssignNode =
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295 | subMeshNode->InsertEndChild(TiXmlElement("boneassignments"))->ToElement();
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296 | while (bi.hasMoreElements())
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297 | {
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298 | writeBoneAssignment(boneAssignNode, &bi.getNext());
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299 | }
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300 | }
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301 | LogManager::getSingleton().logMessage("Dedicated geometry bone assignments exported.");
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302 |
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303 | }
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304 | //---------------------------------------------------------------------
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305 | void XMLMeshSerializer::writeGeometry(TiXmlElement* mParentNode, const VertexData* vertexData)
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306 | {
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307 | // Write a vertex buffer per element
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308 |
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309 | TiXmlElement *vbNode, *vertexNode, *dataNode;
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310 |
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311 | // Set num verts on parent
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312 | mParentNode->SetAttribute("vertexcount", StringConverter::toString(vertexData->vertexCount));
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313 |
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314 | VertexDeclaration* decl = vertexData->vertexDeclaration;
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315 | VertexBufferBinding* bind = vertexData->vertexBufferBinding;
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316 |
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317 | VertexBufferBinding::VertexBufferBindingMap::const_iterator b, bend;
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318 | bend = bind->getBindings().end();
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319 | // Iterate over buffers
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320 | for(b = bind->getBindings().begin(); b != bend; ++b)
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321 | {
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322 | vbNode = mParentNode->InsertEndChild(TiXmlElement("vertexbuffer"))->ToElement();
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323 | const HardwareVertexBufferSharedPtr vbuf = b->second;
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324 | unsigned short bufferIdx = b->first;
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325 | // Get all the elements that relate to this buffer
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326 | VertexDeclaration::VertexElementList elems = decl->findElementsBySource(bufferIdx);
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327 | VertexDeclaration::VertexElementList::iterator i, iend;
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328 | iend = elems.end();
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329 |
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330 | // Set up the data access for this buffer (lock read-only)
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331 | unsigned char* pVert;
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332 | float* pFloat;
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333 | ARGB* pColour;
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334 |
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335 | pVert = static_cast<unsigned char*>(
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336 | vbuf->lock(HardwareBuffer::HBL_READ_ONLY));
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337 |
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338 | // Skim over the elements to set up the general data
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339 | unsigned short numTextureCoords = 0;
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340 | for (i = elems.begin(); i != iend; ++i)
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341 | {
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342 | VertexElement& elem = *i;
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343 | switch(elem.getSemantic())
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344 | {
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345 | case VES_POSITION:
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346 | vbNode->SetAttribute("positions","true");
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347 | break;
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348 | case VES_NORMAL:
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349 | vbNode->SetAttribute("normals","true");
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350 | break;
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351 | case VES_DIFFUSE:
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352 | vbNode->SetAttribute("colours_diffuse","true");
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353 | break;
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354 | case VES_SPECULAR:
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355 | vbNode->SetAttribute("colours_specular","true");
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356 | break;
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357 | case VES_TEXTURE_COORDINATES:
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358 | vbNode->SetAttribute(
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359 | "texture_coord_dimensions_" + StringConverter::toString(numTextureCoords),
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360 | StringConverter::toString(VertexElement::getTypeCount(elem.getType())));
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361 | ++numTextureCoords;
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362 | break;
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363 | default:
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364 | break;
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365 | }
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366 | }
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367 | if (numTextureCoords > 0)
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368 | {
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369 | vbNode->SetAttribute("texture_coords",
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370 | StringConverter::toString(numTextureCoords));
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371 | }
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372 |
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373 | // For each vertex
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374 | for (size_t v = 0; v < vertexData->vertexCount; ++v)
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375 | {
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376 | vertexNode =
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377 | vbNode->InsertEndChild(TiXmlElement("vertex"))->ToElement();
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378 | // Iterate over the elements
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379 | for (i = elems.begin(); i != iend; ++i)
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380 | {
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381 | VertexElement& elem = *i;
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382 | switch(elem.getSemantic())
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383 | {
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384 | case VES_POSITION:
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385 | elem.baseVertexPointerToElement(pVert, &pFloat);
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386 | dataNode =
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387 | vertexNode->InsertEndChild(TiXmlElement("position"))->ToElement();
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388 | dataNode->SetAttribute("x", StringConverter::toString(pFloat[0]));
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389 | dataNode->SetAttribute("y", StringConverter::toString(pFloat[1]));
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390 | dataNode->SetAttribute("z", StringConverter::toString(pFloat[2]));
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391 | break;
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392 | case VES_NORMAL:
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393 | elem.baseVertexPointerToElement(pVert, &pFloat);
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394 | dataNode =
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395 | vertexNode->InsertEndChild(TiXmlElement("normal"))->ToElement();
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396 | dataNode->SetAttribute("x", StringConverter::toString(pFloat[0]));
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397 | dataNode->SetAttribute("y", StringConverter::toString(pFloat[1]));
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398 | dataNode->SetAttribute("z", StringConverter::toString(pFloat[2]));
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399 | break;
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400 | case VES_DIFFUSE:
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401 | elem.baseVertexPointerToElement(pVert, &pColour);
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402 | dataNode =
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403 | vertexNode->InsertEndChild(TiXmlElement("colour_diffuse"))->ToElement();
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404 | {
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405 | ARGB rc = *pColour++;
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406 | ColourValue cv;
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407 | cv.b = (rc & 0xFF) / 255.0f; rc >>= 8;
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408 | cv.g = (rc & 0xFF) / 255.0f; rc >>= 8;
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409 | cv.r = (rc & 0xFF) / 255.0f; rc >>= 8;
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410 | cv.a = (rc & 0xFF) / 255.0f;
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411 | dataNode->SetAttribute("value", StringConverter::toString(cv));
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412 | }
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413 | break;
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414 | case VES_SPECULAR:
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415 | elem.baseVertexPointerToElement(pVert, &pColour);
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416 | dataNode =
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417 | vertexNode->InsertEndChild(TiXmlElement("colour_specular"))->ToElement();
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418 | {
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419 | ARGB rc = *pColour++;
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420 | ColourValue cv;
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421 | cv.b = (rc & 0xFF) / 255.0f; rc >>= 8;
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422 | cv.g = (rc & 0xFF) / 255.0f; rc >>= 8;
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423 | cv.r = (rc & 0xFF) / 255.0f; rc >>= 8;
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424 | cv.a = (rc & 0xFF) / 255.0f;
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425 | dataNode->SetAttribute("value", StringConverter::toString(cv));
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426 | }
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427 | break;
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428 | case VES_TEXTURE_COORDINATES:
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429 | elem.baseVertexPointerToElement(pVert, &pFloat);
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430 | dataNode =
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431 | vertexNode->InsertEndChild(TiXmlElement("texcoord"))->ToElement();
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432 |
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433 | switch(elem.getType())
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434 | {
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435 | case VET_FLOAT1:
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436 | dataNode->SetAttribute("u", StringConverter::toString(*pFloat++));
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437 | break;
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438 | case VET_FLOAT2:
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439 | dataNode->SetAttribute("u", StringConverter::toString(*pFloat++));
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440 | dataNode->SetAttribute("v", StringConverter::toString(*pFloat++));
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441 | break;
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442 | case VET_FLOAT3:
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443 | dataNode->SetAttribute("u", StringConverter::toString(*pFloat++));
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444 | dataNode->SetAttribute("v", StringConverter::toString(*pFloat++));
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445 | dataNode->SetAttribute("w", StringConverter::toString(*pFloat++));
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446 | break;
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447 | default:
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448 | break;
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449 | }
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450 | break;
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451 | default:
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452 | break;
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453 |
|
---|
454 | }
|
---|
455 | }
|
---|
456 | pVert += vbuf->getVertexSize();
|
---|
457 | }
|
---|
458 | vbuf->unlock();
|
---|
459 | }
|
---|
460 |
|
---|
461 | }
|
---|
462 | //---------------------------------------------------------------------
|
---|
463 | void XMLMeshSerializer::writeSkeletonLink(TiXmlElement* mMeshNode, const String& skelName)
|
---|
464 | {
|
---|
465 |
|
---|
466 | TiXmlElement* skelNode =
|
---|
467 | mMeshNode->InsertEndChild(TiXmlElement("skeletonlink"))->ToElement();
|
---|
468 | skelNode->SetAttribute("name", skelName);
|
---|
469 | }
|
---|
470 | //---------------------------------------------------------------------
|
---|
471 | void XMLMeshSerializer::writeBoneAssignment(TiXmlElement* mBoneAssignNode, const VertexBoneAssignment* assign)
|
---|
472 | {
|
---|
473 | TiXmlElement* assignNode =
|
---|
474 | mBoneAssignNode->InsertEndChild(
|
---|
475 | TiXmlElement("vertexboneassignment"))->ToElement();
|
---|
476 |
|
---|
477 | assignNode->SetAttribute("vertexindex",
|
---|
478 | StringConverter::toString(assign->vertexIndex));
|
---|
479 | assignNode->SetAttribute("boneindex",
|
---|
480 | StringConverter::toString(assign->boneIndex));
|
---|
481 | assignNode->SetAttribute("weight",
|
---|
482 | StringConverter::toString(assign->weight));
|
---|
483 |
|
---|
484 |
|
---|
485 | }
|
---|
486 | //---------------------------------------------------------------------
|
---|
487 | void XMLMeshSerializer::readSubMeshes(TiXmlElement* mSubmeshesNode)
|
---|
488 | {
|
---|
489 | LogManager::getSingleton().logMessage("Reading submeshes...");
|
---|
490 |
|
---|
491 | for (TiXmlElement* smElem = mSubmeshesNode->FirstChildElement();
|
---|
492 | smElem != 0; smElem = smElem->NextSiblingElement())
|
---|
493 | {
|
---|
494 | // All children should be submeshes
|
---|
495 | SubMesh* sm = mpMesh->createSubMesh();
|
---|
496 |
|
---|
497 | const char* mat = smElem->Attribute("material");
|
---|
498 | if (mat)
|
---|
499 | sm->setMaterialName(mat);
|
---|
500 |
|
---|
501 | // Read operation type
|
---|
502 | const char* optype = smElem->Attribute("operationtype");
|
---|
503 | if (optype)
|
---|
504 | {
|
---|
505 | if (!strcmp(optype, "triangle_list"))
|
---|
506 | {
|
---|
507 | sm->operationType = RenderOperation::OT_TRIANGLE_LIST;
|
---|
508 | }
|
---|
509 | else if (!strcmp(optype, "triangle_fan"))
|
---|
510 | {
|
---|
511 | sm->operationType = RenderOperation::OT_TRIANGLE_FAN;
|
---|
512 | }
|
---|
513 | else if (!strcmp(optype, "triangle_strip"))
|
---|
514 | {
|
---|
515 | sm->operationType = RenderOperation::OT_TRIANGLE_STRIP;
|
---|
516 | }
|
---|
517 |
|
---|
518 | }
|
---|
519 |
|
---|
520 | const char* tmp = smElem->Attribute("usesharedvertices");
|
---|
521 | if (tmp)
|
---|
522 | sm->useSharedVertices = StringConverter::parseBool(tmp);
|
---|
523 | tmp = smElem->Attribute("use32bitindexes");
|
---|
524 | bool use32BitIndexes = false;
|
---|
525 | if (tmp)
|
---|
526 | use32BitIndexes = StringConverter::parseBool(tmp);
|
---|
527 |
|
---|
528 | // Faces
|
---|
529 | TiXmlElement* faces = smElem->FirstChildElement("faces");
|
---|
530 | if (sm->operationType == RenderOperation::OT_TRIANGLE_LIST)
|
---|
531 | {
|
---|
532 | // tri list
|
---|
533 | sm->indexData->indexCount =
|
---|
534 | StringConverter::parseInt(faces->Attribute("count")) * 3;
|
---|
535 | }
|
---|
536 | else
|
---|
537 | {
|
---|
538 | // tri strip or fan
|
---|
539 | sm->indexData->indexCount =
|
---|
540 | StringConverter::parseInt(faces->Attribute("count")) + 2;
|
---|
541 | }
|
---|
542 |
|
---|
543 | // Allocate space
|
---|
544 | HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
|
---|
545 | createIndexBuffer(
|
---|
546 | use32BitIndexes? HardwareIndexBuffer::IT_32BIT : HardwareIndexBuffer::IT_16BIT,
|
---|
547 | sm->indexData->indexCount,
|
---|
548 | HardwareBuffer::HBU_DYNAMIC,
|
---|
549 | false);
|
---|
550 | sm->indexData->indexBuffer = ibuf;
|
---|
551 | unsigned int *pInt;
|
---|
552 | unsigned short *pShort;
|
---|
553 | if (use32BitIndexes)
|
---|
554 | {
|
---|
555 | pInt = static_cast<unsigned int*>(
|
---|
556 | ibuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
557 | }
|
---|
558 | else
|
---|
559 | {
|
---|
560 | pShort = static_cast<unsigned short*>(
|
---|
561 | ibuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
562 | }
|
---|
563 | TiXmlElement* faceElem;
|
---|
564 | bool firstTri = true;
|
---|
565 | for (faceElem = faces->FirstChildElement();
|
---|
566 | faceElem != 0; faceElem = faceElem->NextSiblingElement())
|
---|
567 | {
|
---|
568 | if (use32BitIndexes)
|
---|
569 | {
|
---|
570 | *pInt++ = StringConverter::parseInt(faceElem->Attribute("v1"));
|
---|
571 | // only need all 3 vertices if it's a trilist or first tri
|
---|
572 | if (sm->operationType == RenderOperation::OT_TRIANGLE_LIST || firstTri)
|
---|
573 | {
|
---|
574 | *pInt++ = StringConverter::parseInt(faceElem->Attribute("v2"));
|
---|
575 | *pInt++ = StringConverter::parseInt(faceElem->Attribute("v3"));
|
---|
576 | }
|
---|
577 | }
|
---|
578 | else
|
---|
579 | {
|
---|
580 | *pShort++ = StringConverter::parseInt(faceElem->Attribute("v1"));
|
---|
581 | // only need all 3 vertices if it's a trilist or first tri
|
---|
582 | if (sm->operationType == RenderOperation::OT_TRIANGLE_LIST || firstTri)
|
---|
583 | {
|
---|
584 | *pShort++ = StringConverter::parseInt(faceElem->Attribute("v2"));
|
---|
585 | *pShort++ = StringConverter::parseInt(faceElem->Attribute("v3"));
|
---|
586 | }
|
---|
587 | }
|
---|
588 | firstTri = false;
|
---|
589 | }
|
---|
590 | ibuf->unlock();
|
---|
591 |
|
---|
592 | // Geometry
|
---|
593 | if (!sm->useSharedVertices)
|
---|
594 | {
|
---|
595 | TiXmlElement* geomNode = smElem->FirstChildElement("geometry");
|
---|
596 | if (geomNode)
|
---|
597 | {
|
---|
598 | sm->vertexData = new VertexData();
|
---|
599 | readGeometry(geomNode, sm->vertexData);
|
---|
600 | }
|
---|
601 | }
|
---|
602 |
|
---|
603 | // Bone assignments
|
---|
604 | TiXmlElement* boneAssigns = smElem->FirstChildElement("boneassignments");
|
---|
605 | if(boneAssigns)
|
---|
606 | readBoneAssignments(boneAssigns, sm);
|
---|
607 |
|
---|
608 | }
|
---|
609 | LogManager::getSingleton().logMessage("Submeshes done.");
|
---|
610 | }
|
---|
611 | //---------------------------------------------------------------------
|
---|
612 | void XMLMeshSerializer::readGeometry(TiXmlElement* mGeometryNode, VertexData* vertexData)
|
---|
613 | {
|
---|
614 | LogManager::getSingleton().logMessage("Reading geometry...");
|
---|
615 | unsigned char *pVert;
|
---|
616 | float *pFloat;
|
---|
617 | ARGB *pCol;
|
---|
618 |
|
---|
619 | vertexData->vertexCount = StringConverter::parseInt(mGeometryNode->Attribute("vertexcount"));
|
---|
620 | // Skip empty
|
---|
621 | if (vertexData->vertexCount <= 0) return;
|
---|
622 |
|
---|
623 |
|
---|
624 | VertexDeclaration* decl = vertexData->vertexDeclaration;
|
---|
625 | VertexBufferBinding* bind = vertexData->vertexBufferBinding;
|
---|
626 | unsigned short bufCount = 0;
|
---|
627 | unsigned short totalTexCoords = 0; // across all buffers
|
---|
628 |
|
---|
629 | // Information for calculating bounds
|
---|
630 | Vector3 min, max, pos;
|
---|
631 | Real maxSquaredRadius = -1;
|
---|
632 | bool first = true;
|
---|
633 |
|
---|
634 | // Iterate over all children (vertexbuffer entries)
|
---|
635 | for (TiXmlElement* vbElem = mGeometryNode->FirstChildElement();
|
---|
636 | vbElem != 0; vbElem = vbElem->NextSiblingElement())
|
---|
637 | {
|
---|
638 | size_t offset = 0;
|
---|
639 | // Skip non-vertexbuffer elems
|
---|
640 | if (stricmp(vbElem->Value(), "vertexbuffer")) continue;
|
---|
641 |
|
---|
642 | const char* attrib = vbElem->Attribute("positions");
|
---|
643 | if (attrib && StringConverter::parseBool(attrib))
|
---|
644 | {
|
---|
645 | // Add element
|
---|
646 | decl->addElement(bufCount, offset, VET_FLOAT3, VES_POSITION);
|
---|
647 | offset += VertexElement::getTypeSize(VET_FLOAT3);
|
---|
648 | }
|
---|
649 | attrib = vbElem->Attribute("normals");
|
---|
650 | if (attrib && StringConverter::parseBool(attrib))
|
---|
651 | {
|
---|
652 | // Add element
|
---|
653 | decl->addElement(bufCount, offset, VET_FLOAT3, VES_NORMAL);
|
---|
654 | offset += VertexElement::getTypeSize(VET_FLOAT3);
|
---|
655 | }
|
---|
656 | attrib = vbElem->Attribute("colours_diffuse");
|
---|
657 | if (attrib && StringConverter::parseBool(attrib))
|
---|
658 | {
|
---|
659 | // Add element
|
---|
660 | decl->addElement(bufCount, offset, VET_COLOUR, VES_DIFFUSE);
|
---|
661 | offset += VertexElement::getTypeSize(VET_COLOUR);
|
---|
662 | }
|
---|
663 | attrib = vbElem->Attribute("colours_specular");
|
---|
664 | if (attrib && StringConverter::parseBool(attrib))
|
---|
665 | {
|
---|
666 | // Add element
|
---|
667 | decl->addElement(bufCount, offset, VET_COLOUR, VES_SPECULAR);
|
---|
668 | offset += VertexElement::getTypeSize(VET_COLOUR);
|
---|
669 | }
|
---|
670 | attrib = vbElem->Attribute("texture_coords");
|
---|
671 | if (attrib && StringConverter::parseInt(attrib))
|
---|
672 | {
|
---|
673 | unsigned short numTexCoords = StringConverter::parseInt(vbElem->Attribute("texture_coords"));
|
---|
674 | for (unsigned short tx = 0; tx < numTexCoords; ++tx)
|
---|
675 | {
|
---|
676 | // NB set is local to this buffer, but will be translated into a
|
---|
677 | // global set number across all vertex buffers
|
---|
678 | attrib = vbElem->Attribute("texture_coord_dimensions_" + StringConverter::toString(tx));
|
---|
679 | unsigned short dims;
|
---|
680 | if (attrib)
|
---|
681 | {
|
---|
682 | dims = StringConverter::parseInt(attrib);
|
---|
683 | }
|
---|
684 | else
|
---|
685 | {
|
---|
686 | // Default
|
---|
687 | dims = 2;
|
---|
688 | }
|
---|
689 | // Add element
|
---|
690 | VertexElementType vtype = VertexElement::multiplyTypeCount(VET_FLOAT1, dims);
|
---|
691 | decl->addElement(bufCount, offset, vtype,
|
---|
692 | VES_TEXTURE_COORDINATES, totalTexCoords++);
|
---|
693 | offset += VertexElement::getTypeSize(vtype);
|
---|
694 | }
|
---|
695 | }
|
---|
696 | // Now create the vertex buffer
|
---|
697 | HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().
|
---|
698 | createVertexBuffer(offset, vertexData->vertexCount,
|
---|
699 | HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
|
---|
700 | // Bind it
|
---|
701 | bind->setBinding(bufCount, vbuf);
|
---|
702 | // Lock it
|
---|
703 | pVert = static_cast<unsigned char*>(
|
---|
704 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
705 |
|
---|
706 | // Get the element list for this buffer alone
|
---|
707 | VertexDeclaration::VertexElementList elems = decl->findElementsBySource(bufCount);
|
---|
708 | // Now the buffer is set up, parse all the vertices
|
---|
709 | for (TiXmlElement* vertexElem = vbElem->FirstChildElement();
|
---|
710 | vertexElem != 0; vertexElem = vertexElem->NextSiblingElement())
|
---|
711 | {
|
---|
712 | // Now parse the elements, ensure they are all matched
|
---|
713 | VertexDeclaration::VertexElementList::const_iterator ielem, ielemend;
|
---|
714 | TiXmlElement* xmlElem;
|
---|
715 | TiXmlElement* texCoordElem = 0;
|
---|
716 | ielemend = elems.end();
|
---|
717 | for (ielem = elems.begin(); ielem != ielemend; ++ielem)
|
---|
718 | {
|
---|
719 | const VertexElement& elem = *ielem;
|
---|
720 | // Find child for this element
|
---|
721 | switch(elem.getSemantic())
|
---|
722 | {
|
---|
723 | case VES_POSITION:
|
---|
724 | xmlElem = vertexElem->FirstChildElement("position");
|
---|
725 | if (!xmlElem)
|
---|
726 | {
|
---|
727 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <position> element.",
|
---|
728 | "XMLSerializer::readGeometry");
|
---|
729 | }
|
---|
730 | elem.baseVertexPointerToElement(pVert, &pFloat);
|
---|
731 |
|
---|
732 | *pFloat++ = StringConverter::parseReal(
|
---|
733 | xmlElem->Attribute("x"));
|
---|
734 | *pFloat++ = StringConverter::parseReal(
|
---|
735 | xmlElem->Attribute("y"));
|
---|
736 | *pFloat++ = StringConverter::parseReal(
|
---|
737 | xmlElem->Attribute("z"));
|
---|
738 |
|
---|
739 | pos.x = StringConverter::parseReal(
|
---|
740 | xmlElem->Attribute("x"));
|
---|
741 | pos.y = StringConverter::parseReal(
|
---|
742 | xmlElem->Attribute("y"));
|
---|
743 | pos.z = StringConverter::parseReal(
|
---|
744 | xmlElem->Attribute("z"));
|
---|
745 |
|
---|
746 | if (first)
|
---|
747 | {
|
---|
748 | min = max = pos;
|
---|
749 | maxSquaredRadius = pos.squaredLength();
|
---|
750 | first = false;
|
---|
751 | }
|
---|
752 | else
|
---|
753 | {
|
---|
754 | min.makeFloor(pos);
|
---|
755 | max.makeCeil(pos);
|
---|
756 | maxSquaredRadius = std::max(pos.squaredLength(), maxSquaredRadius);
|
---|
757 | }
|
---|
758 | break;
|
---|
759 | case VES_NORMAL:
|
---|
760 | xmlElem = vertexElem->FirstChildElement("normal");
|
---|
761 | if (!xmlElem)
|
---|
762 | {
|
---|
763 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <normal> element.",
|
---|
764 | "XMLSerializer::readGeometry");
|
---|
765 | }
|
---|
766 | elem.baseVertexPointerToElement(pVert, &pFloat);
|
---|
767 |
|
---|
768 | *pFloat++ = StringConverter::parseReal(
|
---|
769 | xmlElem->Attribute("x"));
|
---|
770 | *pFloat++ = StringConverter::parseReal(
|
---|
771 | xmlElem->Attribute("y"));
|
---|
772 | *pFloat++ = StringConverter::parseReal(
|
---|
773 | xmlElem->Attribute("z"));
|
---|
774 | break;
|
---|
775 | case VES_DIFFUSE:
|
---|
776 | xmlElem = vertexElem->FirstChildElement("colour_diffuse");
|
---|
777 | if (!xmlElem)
|
---|
778 | {
|
---|
779 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <colour_diffuse> element.",
|
---|
780 | "XMLSerializer::readGeometry");
|
---|
781 | }
|
---|
782 | elem.baseVertexPointerToElement(pVert, &pCol);
|
---|
783 | {
|
---|
784 | ColourValue cv;
|
---|
785 | cv = StringConverter::parseColourValue(
|
---|
786 | xmlElem->Attribute("value"));
|
---|
787 | *pCol++ = cv.getAsARGB();
|
---|
788 | }
|
---|
789 | break;
|
---|
790 | case VES_SPECULAR:
|
---|
791 | xmlElem = vertexElem->FirstChildElement("colour_specular");
|
---|
792 | if (!xmlElem)
|
---|
793 | {
|
---|
794 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <colour_specular> element.",
|
---|
795 | "XMLSerializer::readGeometry");
|
---|
796 | }
|
---|
797 | elem.baseVertexPointerToElement(pVert, &pCol);
|
---|
798 | {
|
---|
799 | ColourValue cv;
|
---|
800 | cv = StringConverter::parseColourValue(
|
---|
801 | xmlElem->Attribute("value"));
|
---|
802 | *pCol++ = cv.getAsARGB();
|
---|
803 | }
|
---|
804 | break;
|
---|
805 | case VES_TEXTURE_COORDINATES:
|
---|
806 | if (!texCoordElem)
|
---|
807 | {
|
---|
808 | // Get first texcoord
|
---|
809 | xmlElem = vertexElem->FirstChildElement("texcoord");
|
---|
810 | }
|
---|
811 | else
|
---|
812 | {
|
---|
813 | // Get next texcoord
|
---|
814 | xmlElem = texCoordElem->NextSiblingElement("texcoord");
|
---|
815 | }
|
---|
816 | if (!xmlElem)
|
---|
817 | {
|
---|
818 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <texcoord> element.",
|
---|
819 | "XMLSerializer::readGeometry");
|
---|
820 | }
|
---|
821 | // Record the latest texture coord entry
|
---|
822 | texCoordElem = xmlElem;
|
---|
823 | elem.baseVertexPointerToElement(pVert, &pFloat);
|
---|
824 |
|
---|
825 | *pFloat++ = StringConverter::parseReal(
|
---|
826 | xmlElem->Attribute("u"));
|
---|
827 | if (VertexElement::getTypeCount(elem.getType()) > 1)
|
---|
828 | {
|
---|
829 | *pFloat++ = StringConverter::parseReal(
|
---|
830 | xmlElem->Attribute("v"));
|
---|
831 | }
|
---|
832 | if (VertexElement::getTypeCount(elem.getType()) > 2)
|
---|
833 | {
|
---|
834 | *pFloat++ = StringConverter::parseReal(
|
---|
835 | xmlElem->Attribute("w"));
|
---|
836 | }
|
---|
837 |
|
---|
838 | break;
|
---|
839 | default:
|
---|
840 | break;
|
---|
841 | }
|
---|
842 | } // semantic
|
---|
843 | pVert += vbuf->getVertexSize();
|
---|
844 | } // vertex
|
---|
845 | bufCount++;
|
---|
846 | vbuf->unlock();
|
---|
847 | } // vertexbuffer
|
---|
848 |
|
---|
849 | // Set bounds
|
---|
850 | const AxisAlignedBox& currBox = mpMesh->getBounds();
|
---|
851 | Real currRadius = mpMesh->getBoundingSphereRadius();
|
---|
852 | if (currBox.isNull())
|
---|
853 | {
|
---|
854 | //do not pad the bounding box
|
---|
855 | mpMesh->_setBounds(AxisAlignedBox(min, max), false);
|
---|
856 | mpMesh->_setBoundingSphereRadius(Math::Sqrt(maxSquaredRadius));
|
---|
857 | }
|
---|
858 | else
|
---|
859 | {
|
---|
860 | AxisAlignedBox newBox(min, max);
|
---|
861 | newBox.merge(currBox);
|
---|
862 | //do not pad the bounding box
|
---|
863 | mpMesh->_setBounds(newBox, false);
|
---|
864 | mpMesh->_setBoundingSphereRadius(std::max(Math::Sqrt(maxSquaredRadius), currRadius));
|
---|
865 | }
|
---|
866 |
|
---|
867 |
|
---|
868 | LogManager::getSingleton().logMessage("Geometry done...");
|
---|
869 | }
|
---|
870 | //---------------------------------------------------------------------
|
---|
871 | void XMLMeshSerializer::readSkeletonLink(TiXmlElement* mSkelNode)
|
---|
872 | {
|
---|
873 | mpMesh->setSkeletonName(mSkelNode->Attribute("name"));
|
---|
874 | }
|
---|
875 | //---------------------------------------------------------------------
|
---|
876 | void XMLMeshSerializer::readBoneAssignments(TiXmlElement* mBoneAssignmentsNode)
|
---|
877 | {
|
---|
878 | LogManager::getSingleton().logMessage("Reading bone assignments...");
|
---|
879 |
|
---|
880 | // Iterate over all children (vertexboneassignment entries)
|
---|
881 | for (TiXmlElement* elem = mBoneAssignmentsNode->FirstChildElement();
|
---|
882 | elem != 0; elem = elem->NextSiblingElement())
|
---|
883 | {
|
---|
884 | VertexBoneAssignment vba;
|
---|
885 | vba.vertexIndex = StringConverter::parseInt(
|
---|
886 | elem->Attribute("vertexindex"));
|
---|
887 | vba.boneIndex = StringConverter::parseInt(
|
---|
888 | elem->Attribute("boneindex"));
|
---|
889 | vba.weight= StringConverter::parseReal(
|
---|
890 | elem->Attribute("weight"));
|
---|
891 |
|
---|
892 | mpMesh->addBoneAssignment(vba);
|
---|
893 | }
|
---|
894 |
|
---|
895 | LogManager::getSingleton().logMessage("Bone assignments done.");
|
---|
896 | }
|
---|
897 | //---------------------------------------------------------------------
|
---|
898 | void XMLMeshSerializer::readSubMeshNames(TiXmlElement* mMeshNamesNode, Mesh *sm)
|
---|
899 | {
|
---|
900 | LogManager::getSingleton().logMessage("Reading mesh names...");
|
---|
901 |
|
---|
902 | // Iterate over all children (vertexboneassignment entries)
|
---|
903 | for (TiXmlElement* elem = mMeshNamesNode->FirstChildElement();
|
---|
904 | elem != 0; elem = elem->NextSiblingElement())
|
---|
905 | {
|
---|
906 | String meshName = elem->Attribute("name");
|
---|
907 | int index = StringConverter::parseInt(elem->Attribute("index"));
|
---|
908 |
|
---|
909 | sm->nameSubMesh(meshName, index);
|
---|
910 | }
|
---|
911 |
|
---|
912 | LogManager::getSingleton().logMessage("Mesh names done.");
|
---|
913 | }
|
---|
914 | //---------------------------------------------------------------------
|
---|
915 | void XMLMeshSerializer::readBoneAssignments(TiXmlElement* mBoneAssignmentsNode, SubMesh* sm)
|
---|
916 | {
|
---|
917 | LogManager::getSingleton().logMessage("Reading bone assignments...");
|
---|
918 | // Iterate over all children (vertexboneassignment entries)
|
---|
919 | for (TiXmlElement* elem = mBoneAssignmentsNode->FirstChildElement();
|
---|
920 | elem != 0; elem = elem->NextSiblingElement())
|
---|
921 | {
|
---|
922 | VertexBoneAssignment vba;
|
---|
923 | vba.vertexIndex = StringConverter::parseInt(
|
---|
924 | elem->Attribute("vertexindex"));
|
---|
925 | vba.boneIndex = StringConverter::parseInt(
|
---|
926 | elem->Attribute("boneindex"));
|
---|
927 | vba.weight= StringConverter::parseReal(
|
---|
928 | elem->Attribute("weight"));
|
---|
929 |
|
---|
930 | sm->addBoneAssignment(vba);
|
---|
931 | }
|
---|
932 | LogManager::getSingleton().logMessage("Bone assignments done.");
|
---|
933 | }
|
---|
934 | //---------------------------------------------------------------------
|
---|
935 | void XMLMeshSerializer::writeLodInfo(TiXmlElement* mMeshNode, const Mesh* pMesh)
|
---|
936 | {
|
---|
937 | TiXmlElement* lodNode =
|
---|
938 | mMeshNode->InsertEndChild(TiXmlElement("levelofdetail"))->ToElement();
|
---|
939 |
|
---|
940 | unsigned short numLvls = pMesh->getNumLodLevels();
|
---|
941 | bool manual = pMesh->isLodManual();
|
---|
942 | lodNode->SetAttribute("numlevels", StringConverter::toString(numLvls));
|
---|
943 | lodNode->SetAttribute("manual", StringConverter::toString(manual));
|
---|
944 |
|
---|
945 | // Iterate from level 1, not 0 (full detail)
|
---|
946 | for (unsigned short i = 1; i < numLvls; ++i)
|
---|
947 | {
|
---|
948 | const MeshLodUsage& usage = pMesh->getLodLevel(i);
|
---|
949 | if (manual)
|
---|
950 | {
|
---|
951 | writeLodUsageManual(lodNode, i, usage);
|
---|
952 | }
|
---|
953 | else
|
---|
954 | {
|
---|
955 | writeLodUsageGenerated(lodNode, i, usage, pMesh);
|
---|
956 | }
|
---|
957 | }
|
---|
958 |
|
---|
959 | }
|
---|
960 | //---------------------------------------------------------------------
|
---|
961 | void XMLMeshSerializer::writeSubMeshNames(TiXmlElement* mMeshNode, const Mesh* m)
|
---|
962 | {
|
---|
963 | const Mesh::SubMeshNameMap& nameMap = m->getSubMeshNameMap();
|
---|
964 | if (nameMap.empty())
|
---|
965 | return; // do nothing
|
---|
966 |
|
---|
967 | TiXmlElement* namesNode =
|
---|
968 | mMeshNode->InsertEndChild(TiXmlElement("submeshnames"))->ToElement();
|
---|
969 | Mesh::SubMeshNameMap::const_iterator i, iend;
|
---|
970 | iend = nameMap.end();
|
---|
971 | for (i = nameMap.begin(); i != iend; ++i)
|
---|
972 | {
|
---|
973 | TiXmlElement* subNameNode =
|
---|
974 | namesNode->InsertEndChild(TiXmlElement("submeshname"))->ToElement();
|
---|
975 |
|
---|
976 | subNameNode->SetAttribute("name", i->first);
|
---|
977 | subNameNode->SetAttribute("index",
|
---|
978 | StringConverter::toString(i->second));
|
---|
979 | }
|
---|
980 |
|
---|
981 | }
|
---|
982 | //---------------------------------------------------------------------
|
---|
983 | void XMLMeshSerializer::writeLodUsageManual(TiXmlElement* usageNode,
|
---|
984 | unsigned short levelNum, const MeshLodUsage& usage)
|
---|
985 | {
|
---|
986 | TiXmlElement* manualNode =
|
---|
987 | usageNode->InsertEndChild(TiXmlElement("lodmanual"))->ToElement();
|
---|
988 |
|
---|
989 | manualNode->SetAttribute("fromdepthsquared",
|
---|
990 | StringConverter::toString(usage.fromDepthSquared));
|
---|
991 | manualNode->SetAttribute("meshname", usage.manualName);
|
---|
992 |
|
---|
993 | }
|
---|
994 | //---------------------------------------------------------------------
|
---|
995 | void XMLMeshSerializer::writeLodUsageGenerated(TiXmlElement* usageNode,
|
---|
996 | unsigned short levelNum, const MeshLodUsage& usage,
|
---|
997 | const Mesh* pMesh)
|
---|
998 | {
|
---|
999 | TiXmlElement* generatedNode =
|
---|
1000 | usageNode->InsertEndChild(TiXmlElement("lodgenerated"))->ToElement();
|
---|
1001 | generatedNode->SetAttribute("fromdepthsquared",
|
---|
1002 | StringConverter::toString(usage.fromDepthSquared));
|
---|
1003 |
|
---|
1004 | // Iterate over submeshes at this level
|
---|
1005 | unsigned short numsubs = pMesh->getNumSubMeshes();
|
---|
1006 |
|
---|
1007 | for (unsigned short subi = 0; subi < numsubs; ++subi)
|
---|
1008 | {
|
---|
1009 | TiXmlElement* subNode =
|
---|
1010 | generatedNode->InsertEndChild(TiXmlElement("lodfacelist"))->ToElement();
|
---|
1011 | SubMesh* sub = pMesh->getSubMesh(subi);
|
---|
1012 | subNode->SetAttribute("submeshindex", StringConverter::toString(subi));
|
---|
1013 | // NB level - 1 because SubMeshes don't store the first index in geometry
|
---|
1014 | IndexData* facedata = sub->mLodFaceList[levelNum - 1];
|
---|
1015 | subNode->SetAttribute("numfaces", StringConverter::toString(facedata->indexCount / 3));
|
---|
1016 |
|
---|
1017 | // Write each face in turn
|
---|
1018 | bool use32BitIndexes = (facedata->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
|
---|
1019 |
|
---|
1020 | // Write each face in turn
|
---|
1021 | unsigned int* pInt;
|
---|
1022 | unsigned short* pShort;
|
---|
1023 | HardwareIndexBufferSharedPtr ibuf = facedata->indexBuffer;
|
---|
1024 | if (use32BitIndexes)
|
---|
1025 | {
|
---|
1026 | pInt = static_cast<unsigned int*>(
|
---|
1027 | ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
1028 | }
|
---|
1029 | else
|
---|
1030 | {
|
---|
1031 | pShort = static_cast<unsigned short*>(
|
---|
1032 | ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
1033 | }
|
---|
1034 |
|
---|
1035 | for (size_t f = 0; f < facedata->indexCount; f += 3)
|
---|
1036 | {
|
---|
1037 | TiXmlElement* faceNode =
|
---|
1038 | subNode->InsertEndChild(TiXmlElement("face"))->ToElement();
|
---|
1039 | if (use32BitIndexes)
|
---|
1040 | {
|
---|
1041 | faceNode->SetAttribute("v1", StringConverter::toString(*pInt++));
|
---|
1042 | faceNode->SetAttribute("v2", StringConverter::toString(*pInt++));
|
---|
1043 | faceNode->SetAttribute("v3", StringConverter::toString(*pInt++));
|
---|
1044 | }
|
---|
1045 | else
|
---|
1046 | {
|
---|
1047 | faceNode->SetAttribute("v1", StringConverter::toString(*pShort++));
|
---|
1048 | faceNode->SetAttribute("v2", StringConverter::toString(*pShort++));
|
---|
1049 | faceNode->SetAttribute("v3", StringConverter::toString(*pShort++));
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 | }
|
---|
1053 |
|
---|
1054 |
|
---|
1055 |
|
---|
1056 | }
|
---|
1057 |
|
---|
1058 | }
|
---|
1059 | //---------------------------------------------------------------------
|
---|
1060 | void XMLMeshSerializer::readLodInfo(TiXmlElement* lodNode)
|
---|
1061 | {
|
---|
1062 |
|
---|
1063 | LogManager::getSingleton().logMessage("Parsing LOD information...");
|
---|
1064 |
|
---|
1065 | const char* val = lodNode->Attribute("numlevels");
|
---|
1066 | unsigned short numLevels = static_cast<unsigned short>(
|
---|
1067 | StringConverter::parseUnsignedInt(val));
|
---|
1068 |
|
---|
1069 | val = lodNode->Attribute("manual");
|
---|
1070 | bool manual = StringConverter::parseBool(val);
|
---|
1071 |
|
---|
1072 | // Set up the basic structures
|
---|
1073 | mpMesh->_setLodInfo(numLevels, manual);
|
---|
1074 |
|
---|
1075 | // Parse the detail, start from 1 (the first sub-level of detail)
|
---|
1076 | unsigned short i = 1;
|
---|
1077 | TiXmlElement* usageElem;
|
---|
1078 | if (manual)
|
---|
1079 | {
|
---|
1080 | usageElem = lodNode->FirstChildElement("lodmanual");
|
---|
1081 | }
|
---|
1082 | else
|
---|
1083 | {
|
---|
1084 | usageElem = lodNode->FirstChildElement("lodgenerated");
|
---|
1085 | }
|
---|
1086 | while (usageElem)
|
---|
1087 | {
|
---|
1088 | if (manual)
|
---|
1089 | {
|
---|
1090 | readLodUsageManual(usageElem, i);
|
---|
1091 | usageElem = usageElem->NextSiblingElement();
|
---|
1092 | }
|
---|
1093 | else
|
---|
1094 | {
|
---|
1095 | readLodUsageGenerated(usageElem, i);
|
---|
1096 | usageElem = usageElem->NextSiblingElement();
|
---|
1097 | }
|
---|
1098 | ++i;
|
---|
1099 | }
|
---|
1100 |
|
---|
1101 | LogManager::getSingleton().logMessage("LOD information done.");
|
---|
1102 |
|
---|
1103 | }
|
---|
1104 | //---------------------------------------------------------------------
|
---|
1105 | void XMLMeshSerializer::readLodUsageManual(TiXmlElement* manualNode, unsigned short index)
|
---|
1106 | {
|
---|
1107 | MeshLodUsage usage;
|
---|
1108 | const char* val = manualNode->Attribute("fromdepthsquared");
|
---|
1109 | usage.fromDepthSquared = StringConverter::parseReal(val);
|
---|
1110 | usage.manualName = manualNode->Attribute("meshname");
|
---|
1111 | usage.edgeData = NULL;
|
---|
1112 |
|
---|
1113 | mpMesh->_setLodUsage(index, usage);
|
---|
1114 | }
|
---|
1115 | //---------------------------------------------------------------------
|
---|
1116 | void XMLMeshSerializer::readLodUsageGenerated(TiXmlElement* genNode, unsigned short index)
|
---|
1117 | {
|
---|
1118 | MeshLodUsage usage;
|
---|
1119 | const char* val = genNode->Attribute("fromdepthsquared");
|
---|
1120 | usage.fromDepthSquared = StringConverter::parseReal(val);
|
---|
1121 | usage.manualMesh.setNull();
|
---|
1122 | usage.manualName = "";
|
---|
1123 | usage.edgeData = NULL;
|
---|
1124 |
|
---|
1125 | mpMesh->_setLodUsage(index, usage);
|
---|
1126 |
|
---|
1127 | // Read submesh face lists
|
---|
1128 | TiXmlElement* faceListElem = genNode->FirstChildElement("lodfacelist");
|
---|
1129 | while (faceListElem)
|
---|
1130 | {
|
---|
1131 | val = faceListElem->Attribute("submeshindex");
|
---|
1132 | unsigned short subidx = StringConverter::parseUnsignedInt(val);
|
---|
1133 | val = faceListElem->Attribute("numfaces");
|
---|
1134 | unsigned short numFaces = StringConverter::parseUnsignedInt(val);
|
---|
1135 | // use of 32bit indexes depends on submesh
|
---|
1136 | HardwareIndexBuffer::IndexType itype =
|
---|
1137 | mpMesh->getSubMesh(subidx)->indexData->indexBuffer->getType();
|
---|
1138 | bool use32bitindexes = (itype == HardwareIndexBuffer::IT_32BIT);
|
---|
1139 |
|
---|
1140 | // Assign memory: this will be deleted by the submesh
|
---|
1141 | HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
|
---|
1142 | createIndexBuffer(
|
---|
1143 | itype, numFaces * 3, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
|
---|
1144 |
|
---|
1145 | unsigned short *pShort;
|
---|
1146 | unsigned int *pInt;
|
---|
1147 | if (use32bitindexes)
|
---|
1148 | {
|
---|
1149 | pInt = static_cast<unsigned int*>(
|
---|
1150 | ibuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1151 | }
|
---|
1152 | else
|
---|
1153 | {
|
---|
1154 | pShort = static_cast<unsigned short*>(
|
---|
1155 | ibuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1156 | }
|
---|
1157 | TiXmlElement* faceElem = faceListElem->FirstChildElement("face");
|
---|
1158 | for (unsigned int face = 0; face < numFaces; ++face, faceElem = faceElem->NextSiblingElement())
|
---|
1159 | {
|
---|
1160 | if (use32bitindexes)
|
---|
1161 | {
|
---|
1162 | val = faceElem->Attribute("v1");
|
---|
1163 | *pInt++ = StringConverter::parseUnsignedInt(val);
|
---|
1164 | val = faceElem->Attribute("v2");
|
---|
1165 | *pInt++ = StringConverter::parseUnsignedInt(val);
|
---|
1166 | val = faceElem->Attribute("v3");
|
---|
1167 | *pInt++ = StringConverter::parseUnsignedInt(val);
|
---|
1168 | }
|
---|
1169 | else
|
---|
1170 | {
|
---|
1171 | val = faceElem->Attribute("v1");
|
---|
1172 | *pShort++ = StringConverter::parseUnsignedInt(val);
|
---|
1173 | val = faceElem->Attribute("v2");
|
---|
1174 | *pShort++ = StringConverter::parseUnsignedInt(val);
|
---|
1175 | val = faceElem->Attribute("v3");
|
---|
1176 | *pShort++ = StringConverter::parseUnsignedInt(val);
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | }
|
---|
1180 |
|
---|
1181 | ibuf->unlock();
|
---|
1182 | IndexData* facedata = new IndexData(); // will be deleted by SubMesh
|
---|
1183 | facedata->indexCount = numFaces * 3;
|
---|
1184 | facedata->indexStart = 0;
|
---|
1185 | facedata->indexBuffer = ibuf;
|
---|
1186 | mpMesh->_setSubMeshLodFaceList(subidx, index, facedata);
|
---|
1187 |
|
---|
1188 | faceListElem = faceListElem->NextSiblingElement();
|
---|
1189 | }
|
---|
1190 |
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | }
|
---|
1194 |
|
---|