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 | #include "OgreStableHeaders.h"
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26 |
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27 | #include "OgreMeshSerializerImpl.h"
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28 | #include "OgreMeshFileFormat.h"
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29 | #include "OgreMesh.h"
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30 | #include "OgreSubMesh.h"
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31 | #include "OgreException.h"
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32 | #include "OgreMaterialManager.h"
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33 | #include "OgreLogManager.h"
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34 | #include "OgreSkeleton.h"
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35 | #include "OgreHardwareBufferManager.h"
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36 | #include "OgreMaterial.h"
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37 | #include "OgreTechnique.h"
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38 | #include "OgrePass.h"
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39 |
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40 | #if OGRE_COMPILER == OGRE_COMPILER_MSVC
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41 | // Disable conversion warnings, we do a lot of them, intentionally
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42 | # pragma warning (disable : 4267)
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43 | #endif
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44 |
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45 |
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46 | namespace Ogre {
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47 |
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48 | /// stream overhead = ID + size
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49 | const long STREAM_OVERHEAD_SIZE = sizeof(uint16) + sizeof(uint32);
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50 | //---------------------------------------------------------------------
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51 | MeshSerializerImpl::MeshSerializerImpl()
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52 | {
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53 |
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54 | // Version number
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55 | mVersion = "[MeshSerializer_v1.30]";
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56 | }
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57 | //---------------------------------------------------------------------
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58 | MeshSerializerImpl::~MeshSerializerImpl()
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59 | {
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60 | }
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61 | //---------------------------------------------------------------------
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62 | void MeshSerializerImpl::exportMesh(const Mesh* pMesh, const String& filename)
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63 | {
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64 | LogManager::getSingleton().logMessage("MeshSerializer writing mesh data to " + filename + "...");
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65 |
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66 | // Check that the mesh has it's bounds set
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67 | if (pMesh->getBounds().isNull() || pMesh->getBoundingSphereRadius() == 0.0f)
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68 | {
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69 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "The Mesh you have supplied does not have its"
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70 | " bounds completely defined. Define them first before exporting.",
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71 | "MeshSerializerImpl::exportMesh");
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72 | }
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73 | mpfFile = fopen(filename.c_str(), "wb");
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74 |
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75 | writeFileHeader();
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76 | LogManager::getSingleton().logMessage("File header written.");
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77 |
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78 |
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79 | LogManager::getSingleton().logMessage("Writing mesh data...");
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80 | writeMesh(pMesh);
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81 | LogManager::getSingleton().logMessage("Mesh data exported.");
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82 |
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83 | fclose(mpfFile);
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84 | LogManager::getSingleton().logMessage("MeshSerializer export successful.");
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85 | }
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86 | //---------------------------------------------------------------------
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87 | void MeshSerializerImpl::importMesh(DataStreamPtr& stream, Mesh* pMesh)
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88 | {
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89 |
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90 | // Check header
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91 | readFileHeader(stream);
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92 |
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93 | unsigned short streamID;
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94 | while(!stream->eof())
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95 | {
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96 | streamID = readChunk(stream);
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97 | switch (streamID)
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98 | {
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99 | case M_MESH:
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100 | readMesh(stream, pMesh);
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101 | break;
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102 | }
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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 | void MeshSerializerImpl::writeMesh(const Mesh* pMesh)
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108 | {
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109 | // Header
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110 | writeChunkHeader(M_MESH, calcMeshSize(pMesh));
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111 |
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112 | // bool skeletallyAnimated
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113 | bool skelAnim = pMesh->hasSkeleton();
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114 | writeBools(&skelAnim, 1);
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115 |
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116 | // Write shared geometry
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117 | if (pMesh->sharedVertexData)
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118 | writeGeometry(pMesh->sharedVertexData);
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119 |
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120 | // Write Submeshes
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121 | for (int i = 0; i < pMesh->getNumSubMeshes(); ++i)
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122 | {
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123 | LogManager::getSingleton().logMessage("Writing submesh...");
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124 | writeSubMesh(pMesh->getSubMesh(i));
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125 | LogManager::getSingleton().logMessage("Submesh exported.");
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126 | }
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127 |
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128 | // Write skeleton info if required
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129 | if (pMesh->hasSkeleton())
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130 | {
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131 | LogManager::getSingleton().logMessage("Exporting skeleton link...");
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132 | // Write skeleton link
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133 | writeSkeletonLink(pMesh->getSkeletonName());
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134 | LogManager::getSingleton().logMessage("Skeleton link exported.");
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135 |
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136 | // Write bone assignments
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137 | if (!pMesh->mBoneAssignments.empty())
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138 | {
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139 | LogManager::getSingleton().logMessage("Exporting shared geometry bone assignments...");
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140 |
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141 | Mesh::VertexBoneAssignmentList::const_iterator vi;
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142 | for (vi = pMesh->mBoneAssignments.begin();
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143 | vi != pMesh->mBoneAssignments.end(); ++vi)
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144 | {
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145 | writeMeshBoneAssignment(vi->second);
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146 | }
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147 |
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148 | LogManager::getSingleton().logMessage("Shared geometry bone assignments exported.");
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149 | }
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150 | }
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151 |
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152 | // Write LOD data if any
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153 | if (pMesh->getNumLodLevels() > 1)
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154 | {
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155 | LogManager::getSingleton().logMessage("Exporting LOD information....");
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156 | writeLodInfo(pMesh);
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157 | LogManager::getSingleton().logMessage("LOD information exported.");
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158 |
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159 | }
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160 | // Write bounds information
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161 | LogManager::getSingleton().logMessage("Exporting bounds information....");
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162 | writeBoundsInfo(pMesh);
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163 | LogManager::getSingleton().logMessage("Bounds information exported.");
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164 |
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165 | // Write submesh name table
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166 | LogManager::getSingleton().logMessage("Exporting submesh name table...");
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167 | writeSubMeshNameTable(pMesh);
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168 | LogManager::getSingleton().logMessage("Submesh name table exported.");
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169 |
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170 | // Write edge lists
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171 | if (pMesh->isEdgeListBuilt())
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172 | {
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173 | LogManager::getSingleton().logMessage("Exporting edge lists...");
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174 | writeEdgeList(pMesh);
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175 | LogManager::getSingleton().logMessage("Edge lists exported");
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176 | }
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177 |
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178 | }
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179 | //---------------------------------------------------------------------
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180 | // Added by DrEvil
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181 | void MeshSerializerImpl::writeSubMeshNameTable(const Mesh* pMesh)
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182 | {
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183 | // Header
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184 | writeChunkHeader(M_SUBMESH_NAME_TABLE, calcSubMeshNameTableSize(pMesh));
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185 |
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186 | // Loop through and save out the index and names.
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187 | Mesh::SubMeshNameMap::const_iterator it = pMesh->mSubMeshNameMap.begin();
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188 |
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189 | while(it != pMesh->mSubMeshNameMap.end())
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190 | {
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191 | // Header
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192 | writeChunkHeader(M_SUBMESH_NAME_TABLE_ELEMENT, STREAM_OVERHEAD_SIZE +
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193 | sizeof(unsigned short) + (unsigned long)it->first.length() + 1);
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194 |
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195 | // write the index
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196 | writeShorts(&it->second, 1);
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197 | // name
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198 | writeString(it->first);
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199 |
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200 | ++it;
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201 | }
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202 | }
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203 | //---------------------------------------------------------------------
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204 | void MeshSerializerImpl::writeSubMesh(const SubMesh* s)
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205 | {
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206 | // Header
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207 | writeChunkHeader(M_SUBMESH, calcSubMeshSize(s));
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208 |
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209 | // char* materialName
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210 | writeString(s->getMaterialName());
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211 |
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212 | // bool useSharedVertices
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213 | writeBools(&s->useSharedVertices, 1);
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214 |
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215 | unsigned int indexCount = s->indexData->indexCount;
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216 | writeInts(&indexCount, 1);
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217 |
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218 | // bool indexes32Bit
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219 | bool idx32bit = (s->indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
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220 | writeBools(&idx32bit, 1);
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221 |
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222 | // unsigned short* faceVertexIndices ((indexCount)
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223 | HardwareIndexBufferSharedPtr ibuf = s->indexData->indexBuffer;
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224 | void* pIdx = ibuf->lock(HardwareBuffer::HBL_READ_ONLY);
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225 | if (idx32bit)
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226 | {
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227 | unsigned int* pIdx32 = static_cast<unsigned int*>(pIdx);
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228 | writeInts(pIdx32, s->indexData->indexCount);
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229 | }
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230 | else
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231 | {
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232 | unsigned short* pIdx16 = static_cast<unsigned short*>(pIdx);
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233 | writeShorts(pIdx16, s->indexData->indexCount);
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234 | }
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235 | ibuf->unlock();
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236 |
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237 | // M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
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238 | if (!s->useSharedVertices)
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239 | {
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240 | writeGeometry(s->vertexData);
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241 | }
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242 |
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243 | // Operation type
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244 | writeSubMeshOperation(s);
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245 |
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246 | // Bone assignments
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247 | if (!s->mBoneAssignments.empty())
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248 | {
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249 | LogManager::getSingleton().logMessage("Exporting dedicated geometry bone assignments...");
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250 |
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251 | SubMesh::VertexBoneAssignmentList::const_iterator vi;
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252 | for (vi = s->mBoneAssignments.begin();
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253 | vi != s->mBoneAssignments.end(); ++vi)
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254 | {
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255 | writeSubMeshBoneAssignment(vi->second);
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256 | }
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257 |
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258 | LogManager::getSingleton().logMessage("Dedicated geometry bone assignments exported.");
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259 | }
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260 |
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261 |
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262 | }
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263 | //---------------------------------------------------------------------
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264 | void MeshSerializerImpl::writeSubMeshOperation(const SubMesh* sm)
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265 | {
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266 | // Header
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267 | writeChunkHeader(M_SUBMESH_OPERATION, calcSubMeshOperationSize(sm));
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268 |
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269 | // unsigned short operationType
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270 | unsigned short opType = static_cast<unsigned short>(sm->operationType);
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271 | writeShorts(&opType, 1);
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272 | }
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273 | //---------------------------------------------------------------------
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274 | void MeshSerializerImpl::writeGeometry(const VertexData* vertexData)
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275 | {
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276 | // calc size
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277 | const VertexDeclaration::VertexElementList& elemList =
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278 | vertexData->vertexDeclaration->getElements();
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279 | const VertexBufferBinding::VertexBufferBindingMap& bindings =
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280 | vertexData->vertexBufferBinding->getBindings();
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281 | VertexBufferBinding::VertexBufferBindingMap::const_iterator vbi, vbiend;
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282 |
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283 | size_t size = STREAM_OVERHEAD_SIZE + sizeof(unsigned int) + // base
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284 | (STREAM_OVERHEAD_SIZE + elemList.size() * (STREAM_OVERHEAD_SIZE + sizeof(unsigned short) * 5)); // elements
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285 | vbiend = bindings.end();
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286 | for (vbi = bindings.begin(); vbi != vbiend; ++vbi)
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287 | {
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288 | const HardwareVertexBufferSharedPtr& vbuf = vbi->second;
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289 | size += (STREAM_OVERHEAD_SIZE * 2) + (sizeof(unsigned short) * 2) + vbuf->getSizeInBytes();
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290 | }
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291 |
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292 | // Header
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293 | writeChunkHeader(M_GEOMETRY, size);
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294 |
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295 | unsigned int vertexCount = vertexData->vertexCount;
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296 | writeInts(&vertexCount, 1);
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297 |
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298 | // Vertex declaration
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299 | size = STREAM_OVERHEAD_SIZE + elemList.size() * (STREAM_OVERHEAD_SIZE + sizeof(unsigned short) * 5);
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300 | writeChunkHeader(M_GEOMETRY_VERTEX_DECLARATION, size);
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301 |
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302 | VertexDeclaration::VertexElementList::const_iterator vei, veiend;
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303 | veiend = elemList.end();
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304 | unsigned short tmp;
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305 | size = STREAM_OVERHEAD_SIZE + sizeof(unsigned short) * 5;
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306 | for (vei = elemList.begin(); vei != veiend; ++vei)
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307 | {
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308 | const VertexElement& elem = *vei;
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309 | writeChunkHeader(M_GEOMETRY_VERTEX_ELEMENT, size);
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310 | // unsigned short source; // buffer bind source
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311 | tmp = elem.getSource();
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312 | writeShorts(&tmp, 1);
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313 | // unsigned short type; // VertexElementType
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314 | tmp = static_cast<unsigned short>(elem.getType());
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315 | writeShorts(&tmp, 1);
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316 | // unsigned short semantic; // VertexElementSemantic
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317 | tmp = static_cast<unsigned short>(elem.getSemantic());
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318 | writeShorts(&tmp, 1);
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319 | // unsigned short offset; // start offset in buffer in bytes
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320 | tmp = static_cast<unsigned short>(elem.getOffset());
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321 | writeShorts(&tmp, 1);
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322 | // unsigned short index; // index of the semantic (for colours and texture coords)
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323 | tmp = elem.getIndex();
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324 | writeShorts(&tmp, 1);
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325 |
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326 | }
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327 |
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328 | // Buffers and bindings
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329 | vbiend = bindings.end();
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330 | for (vbi = bindings.begin(); vbi != vbiend; ++vbi)
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331 | {
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332 | const HardwareVertexBufferSharedPtr& vbuf = vbi->second;
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333 | size = (STREAM_OVERHEAD_SIZE * 2) + (sizeof(unsigned short) * 2) + vbuf->getSizeInBytes();
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334 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
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335 | // unsigned short bindIndex; // Index to bind this buffer to
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336 | tmp = vbi->first;
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337 | writeShorts(&tmp, 1);
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338 | // unsigned short vertexSize; // Per-vertex size, must agree with declaration at this index
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339 | tmp = (unsigned short)vbuf->getVertexSize();
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340 | writeShorts(&tmp, 1);
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341 |
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342 | // Data
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343 | size = STREAM_OVERHEAD_SIZE + vbuf->getSizeInBytes();
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344 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
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345 | void* pBuf = vbuf->lock(HardwareBuffer::HBL_READ_ONLY);
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346 | # if OGRE_ENDIAN == OGRE_ENDIAN_BIG
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347 | // endian conversion for OSX
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348 | // Copy data
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349 | unsigned char* tempData = new unsigned char[vbuf->getSizeInBytes()];
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350 | memcpy(tempData, pBuf, vbuf->getSizeInBytes());
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351 | flipToLittleEndian(
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352 | tempData,
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353 | vertexData->vertexCount,
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354 | vbuf->getVertexSize(),
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355 | vertexData->vertexDeclaration->findElementsBySource(vbi->first));
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356 | writeData(tempData, vbuf->getVertexSize(), vertexData->vertexCount);
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357 | delete [] tempData;
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358 | # else
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359 | writeData(pBuf, vbuf->getVertexSize(), vertexData->vertexCount);
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360 | # endif
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361 | vbuf->unlock();
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362 | }
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363 |
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364 |
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365 | }
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366 | //---------------------------------------------------------------------
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367 | size_t MeshSerializerImpl::calcSubMeshNameTableSize(const Mesh* pMesh)
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368 | {
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369 | size_t size = STREAM_OVERHEAD_SIZE;
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370 | // Figure out the size of the Name table.
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371 | // Iterate through the subMeshList & add up the size of the indexes and names.
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372 | Mesh::SubMeshNameMap::const_iterator it = pMesh->mSubMeshNameMap.begin();
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373 | while(it != pMesh->mSubMeshNameMap.end())
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374 | {
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375 | // size of the index
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376 | size += sizeof(uint16);
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377 | // name
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378 | size += it->first.length() + 1;
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379 |
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380 | ++it;
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381 | }
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382 |
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383 | // size of the sub-mesh name table.
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384 | return size;
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385 | }
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386 | //---------------------------------------------------------------------
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387 | size_t MeshSerializerImpl::calcMeshSize(const Mesh* pMesh)
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388 | {
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389 | size_t size = STREAM_OVERHEAD_SIZE;
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390 |
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391 | // Num shared vertices
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392 | size += sizeof(uint32);
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393 |
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394 | // Geometry
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395 | if (pMesh->sharedVertexData && pMesh->sharedVertexData->vertexCount > 0)
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396 | {
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397 | size += calcGeometrySize(pMesh->sharedVertexData);
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398 | }
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399 |
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400 | // Submeshes
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401 | for (unsigned short i = 0; i < pMesh->getNumSubMeshes(); ++i)
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402 | {
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403 | size += calcSubMeshSize(pMesh->getSubMesh(i));
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404 | }
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405 |
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406 | // Skeleton link
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407 | if (pMesh->hasSkeleton())
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408 | {
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409 | size += calcSkeletonLinkSize(pMesh->getSkeletonName());
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410 | }
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411 |
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412 | // Submesh name table
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413 | size += calcSubMeshNameTableSize(pMesh);
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414 |
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415 | // Edge list
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416 | if (pMesh->isEdgeListBuilt())
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417 | {
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418 | size += calcEdgeListSize(pMesh);
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419 | }
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420 |
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421 | return size;
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422 | }
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423 | //---------------------------------------------------------------------
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424 | size_t MeshSerializerImpl::calcSubMeshSize(const SubMesh* pSub)
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425 | {
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426 | size_t size = STREAM_OVERHEAD_SIZE;
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427 |
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428 | // Material name
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429 | size += pSub->getMaterialName().length() + 1;
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430 |
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431 | // bool useSharedVertices
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432 | size += sizeof(bool);
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433 | // unsigned int indexCount
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434 | size += sizeof(unsigned int);
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435 | // bool indexes32bit
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436 | size += sizeof(bool);
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437 | // unsigned int* faceVertexIndices
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438 | size += sizeof(unsigned int) * pSub->indexData->indexCount;
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439 |
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440 | // Geometry
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441 | if (!pSub->useSharedVertices)
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442 | {
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443 | size += calcGeometrySize(pSub->vertexData);
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444 | }
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445 |
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446 | return size;
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447 | }
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448 | //---------------------------------------------------------------------
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449 | size_t MeshSerializerImpl::calcSubMeshOperationSize(const SubMesh* pSub)
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450 | {
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451 | return STREAM_OVERHEAD_SIZE + sizeof(uint16);
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452 | }
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453 | //---------------------------------------------------------------------
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454 | size_t MeshSerializerImpl::calcGeometrySize(const VertexData* vertexData)
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455 | {
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456 | size_t size = STREAM_OVERHEAD_SIZE;
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457 |
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458 | // Num vertices
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459 | size += sizeof(unsigned int);
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460 |
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461 | const VertexDeclaration::VertexElementList& elems =
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462 | vertexData->vertexDeclaration->getElements();
|
---|
463 |
|
---|
464 | VertexDeclaration::VertexElementList::const_iterator i, iend;
|
---|
465 | iend = elems.end();
|
---|
466 | for (i = elems.begin(); i != iend; ++i)
|
---|
467 | {
|
---|
468 | const VertexElement& elem = *i;
|
---|
469 | // Vertex element
|
---|
470 | size += VertexElement::getTypeSize(elem.getType()) * vertexData->vertexCount;
|
---|
471 | }
|
---|
472 | return size;
|
---|
473 | }
|
---|
474 | //---------------------------------------------------------------------
|
---|
475 | void MeshSerializerImpl::readGeometry(DataStreamPtr& stream, Mesh* pMesh,
|
---|
476 | VertexData* dest)
|
---|
477 | {
|
---|
478 |
|
---|
479 | dest->vertexStart = 0;
|
---|
480 |
|
---|
481 | unsigned int vertexCount = 0;
|
---|
482 | readInts(stream, &vertexCount, 1);
|
---|
483 | dest->vertexCount = vertexCount;
|
---|
484 |
|
---|
485 | // Find optional geometry streams
|
---|
486 | if (!stream->eof())
|
---|
487 | {
|
---|
488 | unsigned short streamID = readChunk(stream);
|
---|
489 | while(!stream->eof() &&
|
---|
490 | (streamID == M_GEOMETRY_VERTEX_DECLARATION ||
|
---|
491 | streamID == M_GEOMETRY_VERTEX_BUFFER ))
|
---|
492 | {
|
---|
493 | switch (streamID)
|
---|
494 | {
|
---|
495 | case M_GEOMETRY_VERTEX_DECLARATION:
|
---|
496 | readGeometryVertexDeclaration(stream, pMesh, dest);
|
---|
497 | break;
|
---|
498 | case M_GEOMETRY_VERTEX_BUFFER:
|
---|
499 | readGeometryVertexBuffer(stream, pMesh, dest);
|
---|
500 | break;
|
---|
501 | }
|
---|
502 | // Get next stream
|
---|
503 | if (!stream->eof())
|
---|
504 | {
|
---|
505 | streamID = readChunk(stream);
|
---|
506 | }
|
---|
507 | }
|
---|
508 | if (!stream->eof())
|
---|
509 | {
|
---|
510 | // Backpedal back to start of non-submesh stream
|
---|
511 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
512 | }
|
---|
513 | }
|
---|
514 | }
|
---|
515 | //---------------------------------------------------------------------
|
---|
516 | void MeshSerializerImpl::readGeometryVertexDeclaration(DataStreamPtr& stream,
|
---|
517 | Mesh* pMesh, VertexData* dest)
|
---|
518 | {
|
---|
519 | // Find optional geometry streams
|
---|
520 | if (!stream->eof())
|
---|
521 | {
|
---|
522 | unsigned short streamID = readChunk(stream);
|
---|
523 | while(!stream->eof() &&
|
---|
524 | (streamID == M_GEOMETRY_VERTEX_ELEMENT ))
|
---|
525 | {
|
---|
526 | switch (streamID)
|
---|
527 | {
|
---|
528 | case M_GEOMETRY_VERTEX_ELEMENT:
|
---|
529 | readGeometryVertexElement(stream, pMesh, dest);
|
---|
530 | break;
|
---|
531 | }
|
---|
532 | // Get next stream
|
---|
533 | if (!stream->eof())
|
---|
534 | {
|
---|
535 | streamID = readChunk(stream);
|
---|
536 | }
|
---|
537 | }
|
---|
538 | if (!stream->eof())
|
---|
539 | {
|
---|
540 | // Backpedal back to start of non-submesh stream
|
---|
541 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
542 | }
|
---|
543 | }
|
---|
544 |
|
---|
545 | }
|
---|
546 | //---------------------------------------------------------------------
|
---|
547 | void MeshSerializerImpl::readGeometryVertexElement(DataStreamPtr& stream,
|
---|
548 | Mesh* pMesh, VertexData* dest)
|
---|
549 | {
|
---|
550 | unsigned short source, offset, index, tmp;
|
---|
551 | VertexElementType vType;
|
---|
552 | VertexElementSemantic vSemantic;
|
---|
553 | // unsigned short source; // buffer bind source
|
---|
554 | readShorts(stream, &source, 1);
|
---|
555 | // unsigned short type; // VertexElementType
|
---|
556 | readShorts(stream, &tmp, 1);
|
---|
557 | vType = static_cast<VertexElementType>(tmp);
|
---|
558 | // unsigned short semantic; // VertexElementSemantic
|
---|
559 | readShorts(stream, &tmp, 1);
|
---|
560 | vSemantic = static_cast<VertexElementSemantic>(tmp);
|
---|
561 | // unsigned short offset; // start offset in buffer in bytes
|
---|
562 | readShorts(stream, &offset, 1);
|
---|
563 | // unsigned short index; // index of the semantic
|
---|
564 | readShorts(stream, &index, 1);
|
---|
565 |
|
---|
566 | dest->vertexDeclaration->addElement(source, offset, vType, vSemantic, index);
|
---|
567 |
|
---|
568 | }
|
---|
569 | //---------------------------------------------------------------------
|
---|
570 | void MeshSerializerImpl::readGeometryVertexBuffer(DataStreamPtr& stream,
|
---|
571 | Mesh* pMesh, VertexData* dest)
|
---|
572 | {
|
---|
573 | unsigned short bindIndex, vertexSize;
|
---|
574 | // unsigned short bindIndex; // Index to bind this buffer to
|
---|
575 | readShorts(stream, &bindIndex, 1);
|
---|
576 | // unsigned short vertexSize; // Per-vertex size, must agree with declaration at this index
|
---|
577 | readShorts(stream, &vertexSize, 1);
|
---|
578 |
|
---|
579 | // Check for vertex data header
|
---|
580 | unsigned short headerID;
|
---|
581 | headerID = readChunk(stream);
|
---|
582 | if (headerID != M_GEOMETRY_VERTEX_BUFFER_DATA)
|
---|
583 | {
|
---|
584 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Can't find vertex buffer data area",
|
---|
585 | "MeshSerializerImpl::readGeometryVertexBuffer");
|
---|
586 | }
|
---|
587 | // Check that vertex size agrees
|
---|
588 | if (dest->vertexDeclaration->getVertexSize(bindIndex) != vertexSize)
|
---|
589 | {
|
---|
590 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Buffer vertex size does not agree with vertex declaration",
|
---|
591 | "MeshSerializerImpl::readGeometryVertexBuffer");
|
---|
592 | }
|
---|
593 |
|
---|
594 | // Create / populate vertex buffer
|
---|
595 | HardwareVertexBufferSharedPtr vbuf;
|
---|
596 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
597 | vertexSize,
|
---|
598 | dest->vertexCount,
|
---|
599 | pMesh->mVertexBufferUsage,
|
---|
600 | pMesh->mVertexBufferShadowBuffer);
|
---|
601 | void* pBuf = vbuf->lock(HardwareBuffer::HBL_DISCARD);
|
---|
602 | stream->read(pBuf, dest->vertexCount * vertexSize);
|
---|
603 |
|
---|
604 | // endian conversion for OSX
|
---|
605 | flipFromLittleEndian(
|
---|
606 | pBuf,
|
---|
607 | dest->vertexCount,
|
---|
608 | vertexSize,
|
---|
609 | dest->vertexDeclaration->findElementsBySource(bindIndex));
|
---|
610 | vbuf->unlock();
|
---|
611 |
|
---|
612 | // Set binding
|
---|
613 | dest->vertexBufferBinding->setBinding(bindIndex, vbuf);
|
---|
614 |
|
---|
615 | }
|
---|
616 | //---------------------------------------------------------------------
|
---|
617 | void MeshSerializerImpl::readSubMeshNameTable(DataStreamPtr& stream, Mesh* pMesh)
|
---|
618 | {
|
---|
619 | // The map for
|
---|
620 | std::map<unsigned short, String> subMeshNames;
|
---|
621 | unsigned short streamID, subMeshIndex;
|
---|
622 |
|
---|
623 | // Need something to store the index, and the objects name
|
---|
624 | // This table is a method that imported meshes can retain their naming
|
---|
625 | // so that the names established in the modelling software can be used
|
---|
626 | // to get the sub-meshes by name. The exporter must support exporting
|
---|
627 | // the optional stream M_SUBMESH_NAME_TABLE.
|
---|
628 |
|
---|
629 | // Read in all the sub-streams. Each sub-stream should contain an index and Ogre::String for the name.
|
---|
630 | if (!stream->eof())
|
---|
631 | {
|
---|
632 | streamID = readChunk(stream);
|
---|
633 | while(!stream->eof() && (streamID == M_SUBMESH_NAME_TABLE_ELEMENT ))
|
---|
634 | {
|
---|
635 | // Read in the index of the submesh.
|
---|
636 | readShorts(stream, &subMeshIndex, 1);
|
---|
637 | // Read in the String and map it to its index.
|
---|
638 | subMeshNames[subMeshIndex] = readString(stream);
|
---|
639 |
|
---|
640 | // If we're not end of file get the next stream ID
|
---|
641 | if (!stream->eof())
|
---|
642 | streamID = readChunk(stream);
|
---|
643 | }
|
---|
644 | if (!stream->eof())
|
---|
645 | {
|
---|
646 | // Backpedal back to start of stream
|
---|
647 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
648 | }
|
---|
649 | }
|
---|
650 |
|
---|
651 | // Set all the submeshes names
|
---|
652 | // ?
|
---|
653 |
|
---|
654 | // Loop through and save out the index and names.
|
---|
655 | std::map<unsigned short, String>::const_iterator it = subMeshNames.begin();
|
---|
656 |
|
---|
657 | while(it != subMeshNames.end())
|
---|
658 | {
|
---|
659 | // Name this submesh to the stored name.
|
---|
660 | pMesh->nameSubMesh(it->second, it->first);
|
---|
661 | ++it;
|
---|
662 | }
|
---|
663 |
|
---|
664 |
|
---|
665 |
|
---|
666 | }
|
---|
667 | //---------------------------------------------------------------------
|
---|
668 | void MeshSerializerImpl::readMesh(DataStreamPtr& stream, Mesh* pMesh)
|
---|
669 | {
|
---|
670 | unsigned short streamID;
|
---|
671 |
|
---|
672 | // Never automatically build edge lists for this version
|
---|
673 | // expect them in the file or not at all
|
---|
674 | pMesh->mAutoBuildEdgeLists = false;
|
---|
675 |
|
---|
676 | // bool skeletallyAnimated
|
---|
677 | readBools(stream, &mIsSkeletallyAnimated, 1);
|
---|
678 |
|
---|
679 | // Find all substreams
|
---|
680 | if (!stream->eof())
|
---|
681 | {
|
---|
682 | streamID = readChunk(stream);
|
---|
683 | while(!stream->eof() &&
|
---|
684 | (streamID == M_GEOMETRY ||
|
---|
685 | streamID == M_SUBMESH ||
|
---|
686 | streamID == M_MESH_SKELETON_LINK ||
|
---|
687 | streamID == M_MESH_BONE_ASSIGNMENT ||
|
---|
688 | streamID == M_MESH_LOD ||
|
---|
689 | streamID == M_MESH_BOUNDS ||
|
---|
690 | streamID == M_SUBMESH_NAME_TABLE ||
|
---|
691 | streamID == M_EDGE_LISTS))
|
---|
692 | {
|
---|
693 | switch(streamID)
|
---|
694 | {
|
---|
695 | case M_GEOMETRY:
|
---|
696 | pMesh->sharedVertexData = new VertexData();
|
---|
697 | try {
|
---|
698 | readGeometry(stream, pMesh, pMesh->sharedVertexData);
|
---|
699 | }
|
---|
700 | catch (Exception& e)
|
---|
701 | {
|
---|
702 | if (e.getNumber() == Exception::ERR_ITEM_NOT_FOUND)
|
---|
703 | {
|
---|
704 | // duff geometry data entry with 0 vertices
|
---|
705 | delete pMesh->sharedVertexData;
|
---|
706 | pMesh->sharedVertexData = 0;
|
---|
707 | // Skip this stream (pointer will have been returned to just after header)
|
---|
708 | stream->skip(mCurrentstreamLen - STREAM_OVERHEAD_SIZE);
|
---|
709 | }
|
---|
710 | else
|
---|
711 | {
|
---|
712 | throw;
|
---|
713 | }
|
---|
714 | }
|
---|
715 | break;
|
---|
716 | case M_SUBMESH:
|
---|
717 | readSubMesh(stream, pMesh);
|
---|
718 | break;
|
---|
719 | case M_MESH_SKELETON_LINK:
|
---|
720 | readSkeletonLink(stream, pMesh);
|
---|
721 | break;
|
---|
722 | case M_MESH_BONE_ASSIGNMENT:
|
---|
723 | readMeshBoneAssignment(stream, pMesh);
|
---|
724 | break;
|
---|
725 | case M_MESH_LOD:
|
---|
726 | readMeshLodInfo(stream, pMesh);
|
---|
727 | break;
|
---|
728 | case M_MESH_BOUNDS:
|
---|
729 | readBoundsInfo(stream, pMesh);
|
---|
730 | break;
|
---|
731 | case M_SUBMESH_NAME_TABLE:
|
---|
732 | readSubMeshNameTable(stream, pMesh);
|
---|
733 | break;
|
---|
734 | case M_EDGE_LISTS:
|
---|
735 | readEdgeList(stream, pMesh);
|
---|
736 | break;
|
---|
737 |
|
---|
738 | }
|
---|
739 |
|
---|
740 | if (!stream->eof())
|
---|
741 | {
|
---|
742 | streamID = readChunk(stream);
|
---|
743 | }
|
---|
744 |
|
---|
745 | }
|
---|
746 | if (!stream->eof())
|
---|
747 | {
|
---|
748 | // Backpedal back to start of stream
|
---|
749 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
750 | }
|
---|
751 | }
|
---|
752 |
|
---|
753 | }
|
---|
754 | //---------------------------------------------------------------------
|
---|
755 | void MeshSerializerImpl::readSubMesh(DataStreamPtr& stream, Mesh* pMesh)
|
---|
756 | {
|
---|
757 | unsigned short streamID;
|
---|
758 |
|
---|
759 | SubMesh* sm = pMesh->createSubMesh();
|
---|
760 | // char* materialName
|
---|
761 | String materialName = readString(stream);
|
---|
762 | sm->setMaterialName(materialName);
|
---|
763 |
|
---|
764 | // bool useSharedVertices
|
---|
765 | readBools(stream,&sm->useSharedVertices, 1);
|
---|
766 |
|
---|
767 | sm->indexData->indexStart = 0;
|
---|
768 | unsigned int indexCount = 0;
|
---|
769 | readInts(stream, &indexCount, 1);
|
---|
770 | sm->indexData->indexCount = indexCount;
|
---|
771 |
|
---|
772 | HardwareIndexBufferSharedPtr ibuf;
|
---|
773 | // bool indexes32Bit
|
---|
774 | bool idx32bit;
|
---|
775 | readBools(stream, &idx32bit, 1);
|
---|
776 | if (idx32bit)
|
---|
777 | {
|
---|
778 | ibuf = HardwareBufferManager::getSingleton().
|
---|
779 | createIndexBuffer(
|
---|
780 | HardwareIndexBuffer::IT_32BIT,
|
---|
781 | sm->indexData->indexCount,
|
---|
782 | pMesh->mIndexBufferUsage,
|
---|
783 | pMesh->mIndexBufferShadowBuffer);
|
---|
784 | // unsigned int* faceVertexIndices
|
---|
785 | unsigned int* pIdx = static_cast<unsigned int*>(
|
---|
786 | ibuf->lock(HardwareBuffer::HBL_DISCARD)
|
---|
787 | );
|
---|
788 | readInts(stream, pIdx, sm->indexData->indexCount);
|
---|
789 | ibuf->unlock();
|
---|
790 |
|
---|
791 | }
|
---|
792 | else // 16-bit
|
---|
793 | {
|
---|
794 | ibuf = HardwareBufferManager::getSingleton().
|
---|
795 | createIndexBuffer(
|
---|
796 | HardwareIndexBuffer::IT_16BIT,
|
---|
797 | sm->indexData->indexCount,
|
---|
798 | pMesh->mIndexBufferUsage,
|
---|
799 | pMesh->mIndexBufferShadowBuffer);
|
---|
800 | // unsigned short* faceVertexIndices
|
---|
801 | unsigned short* pIdx = static_cast<unsigned short*>(
|
---|
802 | ibuf->lock(HardwareBuffer::HBL_DISCARD)
|
---|
803 | );
|
---|
804 | readShorts(stream, pIdx, sm->indexData->indexCount);
|
---|
805 | ibuf->unlock();
|
---|
806 | }
|
---|
807 | sm->indexData->indexBuffer = ibuf;
|
---|
808 |
|
---|
809 | // M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
|
---|
810 | if (!sm->useSharedVertices)
|
---|
811 | {
|
---|
812 | streamID = readChunk(stream);
|
---|
813 | if (streamID != M_GEOMETRY)
|
---|
814 | {
|
---|
815 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Missing geometry data in mesh file",
|
---|
816 | "MeshSerializerImpl::readSubMesh");
|
---|
817 | }
|
---|
818 | sm->vertexData = new VertexData();
|
---|
819 | readGeometry(stream, pMesh, sm->vertexData);
|
---|
820 | }
|
---|
821 |
|
---|
822 |
|
---|
823 | // Find all bone assignments (if present)
|
---|
824 | if (!stream->eof())
|
---|
825 | {
|
---|
826 | streamID = readChunk(stream);
|
---|
827 | while(!stream->eof() &&
|
---|
828 | (streamID == M_SUBMESH_BONE_ASSIGNMENT ||
|
---|
829 | streamID == M_SUBMESH_OPERATION))
|
---|
830 | {
|
---|
831 | switch(streamID)
|
---|
832 | {
|
---|
833 | case M_SUBMESH_OPERATION:
|
---|
834 | readSubMeshOperation(stream, pMesh, sm);
|
---|
835 | break;
|
---|
836 | case M_SUBMESH_BONE_ASSIGNMENT:
|
---|
837 | readSubMeshBoneAssignment(stream, pMesh, sm);
|
---|
838 | break;
|
---|
839 | }
|
---|
840 |
|
---|
841 | if (!stream->eof())
|
---|
842 | {
|
---|
843 | streamID = readChunk(stream);
|
---|
844 | }
|
---|
845 |
|
---|
846 | }
|
---|
847 | if (!stream->eof())
|
---|
848 | {
|
---|
849 | // Backpedal back to start of stream
|
---|
850 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
851 | }
|
---|
852 | }
|
---|
853 |
|
---|
854 |
|
---|
855 | }
|
---|
856 | //---------------------------------------------------------------------
|
---|
857 | void MeshSerializerImpl::readSubMeshOperation(DataStreamPtr& stream,
|
---|
858 | Mesh* pMesh, SubMesh* sm)
|
---|
859 | {
|
---|
860 | // unsigned short operationType
|
---|
861 | unsigned short opType;
|
---|
862 | readShorts(stream, &opType, 1);
|
---|
863 | sm->operationType = static_cast<RenderOperation::OperationType>(opType);
|
---|
864 | }
|
---|
865 | //---------------------------------------------------------------------
|
---|
866 | void MeshSerializerImpl::writeSkeletonLink(const String& skelName)
|
---|
867 | {
|
---|
868 | writeChunkHeader(M_MESH_SKELETON_LINK, calcSkeletonLinkSize(skelName));
|
---|
869 |
|
---|
870 | writeString(skelName);
|
---|
871 |
|
---|
872 | }
|
---|
873 | //---------------------------------------------------------------------
|
---|
874 | void MeshSerializerImpl::readSkeletonLink(DataStreamPtr& stream, Mesh* pMesh)
|
---|
875 | {
|
---|
876 | String skelName = readString(stream);
|
---|
877 | pMesh->setSkeletonName(skelName);
|
---|
878 | }
|
---|
879 | //---------------------------------------------------------------------
|
---|
880 | void MeshSerializerImpl::readTextureLayer(DataStreamPtr& stream, Mesh* pMesh,
|
---|
881 | MaterialPtr& pMat)
|
---|
882 | {
|
---|
883 | // Material definition section phased out of 1.1
|
---|
884 | }
|
---|
885 | //---------------------------------------------------------------------
|
---|
886 | size_t MeshSerializerImpl::calcSkeletonLinkSize(const String& skelName)
|
---|
887 | {
|
---|
888 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
889 |
|
---|
890 | size += skelName.length() + 1;
|
---|
891 |
|
---|
892 | return size;
|
---|
893 |
|
---|
894 | }
|
---|
895 | //---------------------------------------------------------------------
|
---|
896 | void MeshSerializerImpl::writeMeshBoneAssignment(const VertexBoneAssignment& assign)
|
---|
897 | {
|
---|
898 | writeChunkHeader(M_MESH_BONE_ASSIGNMENT, calcBoneAssignmentSize());
|
---|
899 |
|
---|
900 | // unsigned int vertexIndex;
|
---|
901 | writeInts(&(assign.vertexIndex), 1);
|
---|
902 | // unsigned short boneIndex;
|
---|
903 | writeShorts(&(assign.boneIndex), 1);
|
---|
904 | // float weight;
|
---|
905 | writeFloats(&(assign.weight), 1);
|
---|
906 | }
|
---|
907 | //---------------------------------------------------------------------
|
---|
908 | void MeshSerializerImpl::writeSubMeshBoneAssignment(const VertexBoneAssignment& assign)
|
---|
909 | {
|
---|
910 | writeChunkHeader(M_SUBMESH_BONE_ASSIGNMENT, calcBoneAssignmentSize());
|
---|
911 |
|
---|
912 | // unsigned int vertexIndex;
|
---|
913 | writeInts(&(assign.vertexIndex), 1);
|
---|
914 | // unsigned short boneIndex;
|
---|
915 | writeShorts(&(assign.boneIndex), 1);
|
---|
916 | // float weight;
|
---|
917 | writeFloats(&(assign.weight), 1);
|
---|
918 | }
|
---|
919 | //---------------------------------------------------------------------
|
---|
920 | void MeshSerializerImpl::readMeshBoneAssignment(DataStreamPtr& stream, Mesh* pMesh)
|
---|
921 | {
|
---|
922 | VertexBoneAssignment assign;
|
---|
923 |
|
---|
924 | // unsigned int vertexIndex;
|
---|
925 | readInts(stream, &(assign.vertexIndex),1);
|
---|
926 | // unsigned short boneIndex;
|
---|
927 | readShorts(stream, &(assign.boneIndex),1);
|
---|
928 | // float weight;
|
---|
929 | readFloats(stream, &(assign.weight), 1);
|
---|
930 |
|
---|
931 | pMesh->addBoneAssignment(assign);
|
---|
932 |
|
---|
933 | }
|
---|
934 | //---------------------------------------------------------------------
|
---|
935 | void MeshSerializerImpl::readSubMeshBoneAssignment(DataStreamPtr& stream,
|
---|
936 | Mesh* pMesh, SubMesh* sub)
|
---|
937 | {
|
---|
938 | VertexBoneAssignment assign;
|
---|
939 |
|
---|
940 | // unsigned int vertexIndex;
|
---|
941 | readInts(stream, &(assign.vertexIndex),1);
|
---|
942 | // unsigned short boneIndex;
|
---|
943 | readShorts(stream, &(assign.boneIndex),1);
|
---|
944 | // float weight;
|
---|
945 | readFloats(stream, &(assign.weight), 1);
|
---|
946 |
|
---|
947 | sub->addBoneAssignment(assign);
|
---|
948 |
|
---|
949 | }
|
---|
950 | //---------------------------------------------------------------------
|
---|
951 | size_t MeshSerializerImpl::calcBoneAssignmentSize(void)
|
---|
952 | {
|
---|
953 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
954 |
|
---|
955 | // Vert index
|
---|
956 | size += sizeof(unsigned int);
|
---|
957 | // Bone index
|
---|
958 | size += sizeof(unsigned short);
|
---|
959 | // weight
|
---|
960 | size += sizeof(float);
|
---|
961 |
|
---|
962 | return size;
|
---|
963 | }
|
---|
964 | //---------------------------------------------------------------------
|
---|
965 | void MeshSerializerImpl::writeLodInfo(const Mesh* pMesh)
|
---|
966 | {
|
---|
967 | unsigned short numLods = pMesh->getNumLodLevels();
|
---|
968 | bool manual = pMesh->isLodManual();
|
---|
969 | writeLodSummary(numLods, manual);
|
---|
970 |
|
---|
971 | // Loop from LOD 1 (not 0, this is full detail)
|
---|
972 | for (unsigned short i = 1; i < numLods; ++i)
|
---|
973 | {
|
---|
974 | const MeshLodUsage& usage = pMesh->getLodLevel(i);
|
---|
975 | if (manual)
|
---|
976 | {
|
---|
977 | writeLodUsageManual(usage);
|
---|
978 | }
|
---|
979 | else
|
---|
980 | {
|
---|
981 | writeLodUsageGenerated(pMesh, usage, i);
|
---|
982 | }
|
---|
983 |
|
---|
984 | }
|
---|
985 |
|
---|
986 |
|
---|
987 | }
|
---|
988 | //---------------------------------------------------------------------
|
---|
989 | void MeshSerializerImpl::writeLodSummary(unsigned short numLevels, bool manual)
|
---|
990 | {
|
---|
991 | // Header
|
---|
992 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
993 | // unsigned short numLevels;
|
---|
994 | size += sizeof(unsigned short);
|
---|
995 | // bool manual; (true for manual alternate meshes, false for generated)
|
---|
996 | size += sizeof(bool);
|
---|
997 | writeChunkHeader(M_MESH_LOD, size);
|
---|
998 |
|
---|
999 | // Details
|
---|
1000 | // unsigned short numLevels;
|
---|
1001 | writeShorts(&numLevels, 1);
|
---|
1002 | // bool manual; (true for manual alternate meshes, false for generated)
|
---|
1003 | writeBools(&manual, 1);
|
---|
1004 |
|
---|
1005 |
|
---|
1006 | }
|
---|
1007 | //---------------------------------------------------------------------
|
---|
1008 | void MeshSerializerImpl::writeLodUsageManual(const MeshLodUsage& usage)
|
---|
1009 | {
|
---|
1010 | // Header
|
---|
1011 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
1012 | size_t manualSize = STREAM_OVERHEAD_SIZE;
|
---|
1013 | // float fromDepthSquared;
|
---|
1014 | size += sizeof(float);
|
---|
1015 | // Manual part size
|
---|
1016 |
|
---|
1017 | // String manualMeshName;
|
---|
1018 | manualSize += usage.manualName.length() + 1;
|
---|
1019 |
|
---|
1020 | size += manualSize;
|
---|
1021 |
|
---|
1022 | writeChunkHeader(M_MESH_LOD_USAGE, size);
|
---|
1023 | writeFloats(&(usage.fromDepthSquared), 1);
|
---|
1024 |
|
---|
1025 | writeChunkHeader(M_MESH_LOD_MANUAL, manualSize);
|
---|
1026 | writeString(usage.manualName);
|
---|
1027 |
|
---|
1028 |
|
---|
1029 | }
|
---|
1030 | //---------------------------------------------------------------------
|
---|
1031 | void MeshSerializerImpl::writeLodUsageGenerated(const Mesh* pMesh, const MeshLodUsage& usage,
|
---|
1032 | unsigned short lodNum)
|
---|
1033 | {
|
---|
1034 | // Usage Header
|
---|
1035 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
1036 | unsigned short subidx;
|
---|
1037 |
|
---|
1038 | // float fromDepthSquared;
|
---|
1039 | size += sizeof(float);
|
---|
1040 |
|
---|
1041 | // Calc generated SubMesh sections size
|
---|
1042 | for(subidx = 0; subidx < pMesh->getNumSubMeshes(); ++subidx)
|
---|
1043 | {
|
---|
1044 | // header
|
---|
1045 | size += STREAM_OVERHEAD_SIZE;
|
---|
1046 | // unsigned int numFaces;
|
---|
1047 | size += sizeof(unsigned int);
|
---|
1048 | SubMesh* sm = pMesh->getSubMesh(subidx);
|
---|
1049 | const IndexData* indexData = sm->mLodFaceList[lodNum - 1];
|
---|
1050 |
|
---|
1051 | // bool indexes32Bit
|
---|
1052 | size += sizeof(bool);
|
---|
1053 | // unsigned short*/int* faceIndexes;
|
---|
1054 | if (indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT)
|
---|
1055 | {
|
---|
1056 | size += static_cast<unsigned long>(
|
---|
1057 | sizeof(unsigned int) * indexData->indexCount);
|
---|
1058 | }
|
---|
1059 | else
|
---|
1060 | {
|
---|
1061 | size += static_cast<unsigned long>(
|
---|
1062 | sizeof(unsigned short) * indexData->indexCount);
|
---|
1063 | }
|
---|
1064 |
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 | writeChunkHeader(M_MESH_LOD_USAGE, size);
|
---|
1068 | writeFloats(&(usage.fromDepthSquared), 1);
|
---|
1069 |
|
---|
1070 | // Now write sections
|
---|
1071 | // Calc generated SubMesh sections size
|
---|
1072 | for(subidx = 0; subidx < pMesh->getNumSubMeshes(); ++subidx)
|
---|
1073 | {
|
---|
1074 | size = STREAM_OVERHEAD_SIZE;
|
---|
1075 | // unsigned int numFaces;
|
---|
1076 | size += sizeof(unsigned int);
|
---|
1077 | SubMesh* sm = pMesh->getSubMesh(subidx);
|
---|
1078 | const IndexData* indexData = sm->mLodFaceList[lodNum - 1];
|
---|
1079 | // bool indexes32Bit
|
---|
1080 | size += sizeof(bool);
|
---|
1081 | // unsigned short*/int* faceIndexes;
|
---|
1082 | if (indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT)
|
---|
1083 | {
|
---|
1084 | size += static_cast<unsigned long>(
|
---|
1085 | sizeof(unsigned int) * indexData->indexCount);
|
---|
1086 | }
|
---|
1087 | else
|
---|
1088 | {
|
---|
1089 | size += static_cast<unsigned long>(
|
---|
1090 | sizeof(unsigned short) * indexData->indexCount);
|
---|
1091 | }
|
---|
1092 |
|
---|
1093 | writeChunkHeader(M_MESH_LOD_GENERATED, size);
|
---|
1094 | unsigned int idxCount = static_cast<unsigned int>(indexData->indexCount);
|
---|
1095 | writeInts(&idxCount, 1);
|
---|
1096 | // Lock index buffer to write
|
---|
1097 | HardwareIndexBufferSharedPtr ibuf = indexData->indexBuffer;
|
---|
1098 | // bool indexes32bit
|
---|
1099 | bool idx32 = (ibuf->getType() == HardwareIndexBuffer::IT_32BIT);
|
---|
1100 | writeBools(&idx32, 1);
|
---|
1101 | if (idx32)
|
---|
1102 | {
|
---|
1103 | unsigned int* pIdx = static_cast<unsigned int*>(
|
---|
1104 | ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
1105 | writeInts(pIdx, indexData->indexCount);
|
---|
1106 | ibuf->unlock();
|
---|
1107 | }
|
---|
1108 | else
|
---|
1109 | {
|
---|
1110 | unsigned short* pIdx = static_cast<unsigned short*>(
|
---|
1111 | ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
1112 | writeShorts(pIdx, indexData->indexCount);
|
---|
1113 | ibuf->unlock();
|
---|
1114 | }
|
---|
1115 | }
|
---|
1116 |
|
---|
1117 |
|
---|
1118 | }
|
---|
1119 | //---------------------------------------------------------------------
|
---|
1120 | void MeshSerializerImpl::writeBoundsInfo(const Mesh* pMesh)
|
---|
1121 | {
|
---|
1122 | // Usage Header
|
---|
1123 | unsigned long size = STREAM_OVERHEAD_SIZE;
|
---|
1124 |
|
---|
1125 | size += sizeof(float) * 7;
|
---|
1126 | writeChunkHeader(M_MESH_BOUNDS, size);
|
---|
1127 |
|
---|
1128 | // float minx, miny, minz
|
---|
1129 | const Vector3& min = pMesh->mAABB.getMinimum();
|
---|
1130 | const Vector3& max = pMesh->mAABB.getMaximum();
|
---|
1131 | writeFloats(&min.x, 1);
|
---|
1132 | writeFloats(&min.y, 1);
|
---|
1133 | writeFloats(&min.z, 1);
|
---|
1134 | // float maxx, maxy, maxz
|
---|
1135 | writeFloats(&max.x, 1);
|
---|
1136 | writeFloats(&max.y, 1);
|
---|
1137 | writeFloats(&max.z, 1);
|
---|
1138 | // float radius
|
---|
1139 | writeFloats(&pMesh->mBoundRadius, 1);
|
---|
1140 |
|
---|
1141 | }
|
---|
1142 | //---------------------------------------------------------------------
|
---|
1143 | void MeshSerializerImpl::readBoundsInfo(DataStreamPtr& stream, Mesh* pMesh)
|
---|
1144 | {
|
---|
1145 | Vector3 min, max;
|
---|
1146 | // float minx, miny, minz
|
---|
1147 | readFloats(stream, &min.x, 1);
|
---|
1148 | readFloats(stream, &min.y, 1);
|
---|
1149 | readFloats(stream, &min.z, 1);
|
---|
1150 | // float maxx, maxy, maxz
|
---|
1151 | readFloats(stream, &max.x, 1);
|
---|
1152 | readFloats(stream, &max.y, 1);
|
---|
1153 | readFloats(stream, &max.z, 1);
|
---|
1154 | AxisAlignedBox box(min, max);
|
---|
1155 | pMesh->_setBounds(box, true);
|
---|
1156 | // float radius
|
---|
1157 | float radius;
|
---|
1158 | readFloats(stream, &radius, 1);
|
---|
1159 | pMesh->_setBoundingSphereRadius(radius);
|
---|
1160 |
|
---|
1161 |
|
---|
1162 |
|
---|
1163 | }
|
---|
1164 | //---------------------------------------------------------------------
|
---|
1165 | void MeshSerializerImpl::readMeshLodInfo(DataStreamPtr& stream, Mesh* pMesh)
|
---|
1166 | {
|
---|
1167 | unsigned short streamID, i;
|
---|
1168 |
|
---|
1169 | // unsigned short numLevels;
|
---|
1170 | readShorts(stream, &(pMesh->mNumLods), 1);
|
---|
1171 | // bool manual; (true for manual alternate meshes, false for generated)
|
---|
1172 | readBools(stream, &(pMesh->mIsLodManual), 1);
|
---|
1173 |
|
---|
1174 | // Preallocate submesh lod face data if not manual
|
---|
1175 | if (!pMesh->mIsLodManual)
|
---|
1176 | {
|
---|
1177 | unsigned short numsubs = pMesh->getNumSubMeshes();
|
---|
1178 | for (i = 0; i < numsubs; ++i)
|
---|
1179 | {
|
---|
1180 | SubMesh* sm = pMesh->getSubMesh(i);
|
---|
1181 | sm->mLodFaceList.resize(pMesh->mNumLods-1);
|
---|
1182 | }
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | // Loop from 1 rather than 0 (full detail index is not in file)
|
---|
1186 | for (i = 1; i < pMesh->mNumLods; ++i)
|
---|
1187 | {
|
---|
1188 | streamID = readChunk(stream);
|
---|
1189 | if (streamID != M_MESH_LOD_USAGE)
|
---|
1190 | {
|
---|
1191 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
1192 | "Missing M_MESH_LOD_USAGE stream in " + pMesh->getName(),
|
---|
1193 | "MeshSerializerImpl::readMeshLodInfo");
|
---|
1194 | }
|
---|
1195 | // Read depth
|
---|
1196 | MeshLodUsage usage;
|
---|
1197 | readFloats(stream, &(usage.fromDepthSquared), 1);
|
---|
1198 |
|
---|
1199 | if (pMesh->isLodManual())
|
---|
1200 | {
|
---|
1201 | readMeshLodUsageManual(stream, pMesh, i, usage);
|
---|
1202 | }
|
---|
1203 | else //(!pMesh->isLodManual)
|
---|
1204 | {
|
---|
1205 | readMeshLodUsageGenerated(stream, pMesh, i, usage);
|
---|
1206 | }
|
---|
1207 | usage.edgeData = NULL;
|
---|
1208 |
|
---|
1209 | // Save usage
|
---|
1210 | pMesh->mMeshLodUsageList.push_back(usage);
|
---|
1211 | }
|
---|
1212 |
|
---|
1213 |
|
---|
1214 | }
|
---|
1215 | //---------------------------------------------------------------------
|
---|
1216 | void MeshSerializerImpl::readMeshLodUsageManual(DataStreamPtr& stream,
|
---|
1217 | Mesh* pMesh, unsigned short lodNum, MeshLodUsage& usage)
|
---|
1218 | {
|
---|
1219 | unsigned long streamID;
|
---|
1220 | // Read detail stream
|
---|
1221 | streamID = readChunk(stream);
|
---|
1222 | if (streamID != M_MESH_LOD_MANUAL)
|
---|
1223 | {
|
---|
1224 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
1225 | "Missing M_MESH_LOD_MANUAL stream in " + pMesh->getName(),
|
---|
1226 | "MeshSerializerImpl::readMeshLodUsageManual");
|
---|
1227 | }
|
---|
1228 |
|
---|
1229 | usage.manualName = readString(stream);
|
---|
1230 | usage.manualMesh.setNull(); // will trigger load later
|
---|
1231 | }
|
---|
1232 | //---------------------------------------------------------------------
|
---|
1233 | void MeshSerializerImpl::readMeshLodUsageGenerated(DataStreamPtr& stream,
|
---|
1234 | Mesh* pMesh, unsigned short lodNum, MeshLodUsage& usage)
|
---|
1235 | {
|
---|
1236 | usage.manualName = "";
|
---|
1237 | usage.manualMesh.setNull();
|
---|
1238 |
|
---|
1239 | // Get one set of detail per SubMesh
|
---|
1240 | unsigned short numSubs, i;
|
---|
1241 | unsigned long streamID;
|
---|
1242 | numSubs = pMesh->getNumSubMeshes();
|
---|
1243 | for (i = 0; i < numSubs; ++i)
|
---|
1244 | {
|
---|
1245 | streamID = readChunk(stream);
|
---|
1246 | if (streamID != M_MESH_LOD_GENERATED)
|
---|
1247 | {
|
---|
1248 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
1249 | "Missing M_MESH_LOD_GENERATED stream in " + pMesh->getName(),
|
---|
1250 | "MeshSerializerImpl::readMeshLodUsageGenerated");
|
---|
1251 | }
|
---|
1252 |
|
---|
1253 | SubMesh* sm = pMesh->getSubMesh(i);
|
---|
1254 | // lodNum - 1 because SubMesh doesn't store full detail LOD
|
---|
1255 | sm->mLodFaceList[lodNum - 1] = new IndexData();
|
---|
1256 | IndexData* indexData = sm->mLodFaceList[lodNum - 1];
|
---|
1257 | // unsigned int numIndexes
|
---|
1258 | unsigned int numIndexes;
|
---|
1259 | readInts(stream, &numIndexes, 1);
|
---|
1260 | indexData->indexCount = static_cast<size_t>(numIndexes);
|
---|
1261 | // bool indexes32Bit
|
---|
1262 | bool idx32Bit;
|
---|
1263 | readBools(stream, &idx32Bit, 1);
|
---|
1264 | // unsigned short*/int* faceIndexes; ((v1, v2, v3) * numFaces)
|
---|
1265 | if (idx32Bit)
|
---|
1266 | {
|
---|
1267 | indexData->indexBuffer = HardwareBufferManager::getSingleton().
|
---|
1268 | createIndexBuffer(HardwareIndexBuffer::IT_32BIT, indexData->indexCount,
|
---|
1269 | pMesh->mIndexBufferUsage, pMesh->mIndexBufferShadowBuffer);
|
---|
1270 | unsigned int* pIdx = static_cast<unsigned int*>(
|
---|
1271 | indexData->indexBuffer->lock(
|
---|
1272 | 0,
|
---|
1273 | indexData->indexBuffer->getSizeInBytes(),
|
---|
1274 | HardwareBuffer::HBL_DISCARD) );
|
---|
1275 |
|
---|
1276 | readInts(stream, pIdx, indexData->indexCount);
|
---|
1277 | indexData->indexBuffer->unlock();
|
---|
1278 |
|
---|
1279 | }
|
---|
1280 | else
|
---|
1281 | {
|
---|
1282 | indexData->indexBuffer = HardwareBufferManager::getSingleton().
|
---|
1283 | createIndexBuffer(HardwareIndexBuffer::IT_16BIT, indexData->indexCount,
|
---|
1284 | pMesh->mIndexBufferUsage, pMesh->mIndexBufferShadowBuffer);
|
---|
1285 | unsigned short* pIdx = static_cast<unsigned short*>(
|
---|
1286 | indexData->indexBuffer->lock(
|
---|
1287 | 0,
|
---|
1288 | indexData->indexBuffer->getSizeInBytes(),
|
---|
1289 | HardwareBuffer::HBL_DISCARD) );
|
---|
1290 | readShorts(stream, pIdx, indexData->indexCount);
|
---|
1291 | indexData->indexBuffer->unlock();
|
---|
1292 |
|
---|
1293 | }
|
---|
1294 |
|
---|
1295 | }
|
---|
1296 | }
|
---|
1297 | //---------------------------------------------------------------------
|
---|
1298 | void MeshSerializerImpl::flipFromLittleEndian(void* pData, size_t vertexCount,
|
---|
1299 | size_t vertexSize, const VertexDeclaration::VertexElementList& elems)
|
---|
1300 | {
|
---|
1301 | # if OGRE_ENDIAN == OGRE_ENDIAN_BIG
|
---|
1302 | flipEndian(pData, vertexCount, vertexSize, elems);
|
---|
1303 | # endif
|
---|
1304 | }
|
---|
1305 | //---------------------------------------------------------------------
|
---|
1306 | void MeshSerializerImpl::flipToLittleEndian(void* pData, size_t vertexCount,
|
---|
1307 | size_t vertexSize, const VertexDeclaration::VertexElementList& elems)
|
---|
1308 | {
|
---|
1309 | # if OGRE_ENDIAN == OGRE_ENDIAN_BIG
|
---|
1310 | flipEndian(pData, vertexCount, vertexSize, elems);
|
---|
1311 | # endif
|
---|
1312 | }
|
---|
1313 | //---------------------------------------------------------------------
|
---|
1314 | void MeshSerializerImpl::flipEndian(void* pData, size_t vertexCount,
|
---|
1315 | size_t vertexSize, const VertexDeclaration::VertexElementList& elems)
|
---|
1316 | {
|
---|
1317 | void *pBase = pData;
|
---|
1318 | for (size_t v = 0; v < vertexCount; ++v)
|
---|
1319 | {
|
---|
1320 | VertexDeclaration::VertexElementList::const_iterator ei, eiend;
|
---|
1321 | eiend = elems.end();
|
---|
1322 | for (ei = elems.begin(); ei != eiend; ++ei)
|
---|
1323 | {
|
---|
1324 | void *pElem;
|
---|
1325 | // re-base pointer to the element
|
---|
1326 | (*ei).baseVertexPointerToElement(pBase, &pElem);
|
---|
1327 | // Flip the endian based on the type
|
---|
1328 | size_t typeSize = 0;
|
---|
1329 | switch (VertexElement::getBaseType((*ei).getType()))
|
---|
1330 | {
|
---|
1331 | case VET_FLOAT1:
|
---|
1332 | typeSize = sizeof(float);
|
---|
1333 | break;
|
---|
1334 | case VET_SHORT1:
|
---|
1335 | typeSize = sizeof(short);
|
---|
1336 | break;
|
---|
1337 | case VET_COLOUR:
|
---|
1338 | typeSize = sizeof(RGBA);
|
---|
1339 | break;
|
---|
1340 | case VET_UBYTE4:
|
---|
1341 | typeSize = 0; // NO FLIPPING
|
---|
1342 | break;
|
---|
1343 | };
|
---|
1344 | Serializer::flipEndian(pElem, typeSize,
|
---|
1345 | VertexElement::getTypeCount((*ei).getType()));
|
---|
1346 |
|
---|
1347 | }
|
---|
1348 |
|
---|
1349 | pBase = static_cast<void*>(
|
---|
1350 | static_cast<unsigned char*>(pBase) + vertexSize);
|
---|
1351 |
|
---|
1352 | }
|
---|
1353 | }
|
---|
1354 | //---------------------------------------------------------------------
|
---|
1355 | size_t MeshSerializerImpl::calcEdgeListSize(const Mesh* pMesh)
|
---|
1356 | {
|
---|
1357 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
1358 |
|
---|
1359 | for (ushort i = 0; i < pMesh->getNumLodLevels(); ++i)
|
---|
1360 | {
|
---|
1361 |
|
---|
1362 | const EdgeData* edgeData = pMesh->getEdgeList(i);
|
---|
1363 | bool isManual = pMesh->isLodManual() && (i > 0);
|
---|
1364 |
|
---|
1365 | size += calcEdgeListLodSize(edgeData, isManual);
|
---|
1366 |
|
---|
1367 | }
|
---|
1368 |
|
---|
1369 | return size;
|
---|
1370 | }
|
---|
1371 | //---------------------------------------------------------------------
|
---|
1372 | size_t MeshSerializerImpl::calcEdgeListLodSize(const EdgeData* edgeData, bool isManual)
|
---|
1373 | {
|
---|
1374 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
1375 |
|
---|
1376 | // unsigned short lodIndex
|
---|
1377 | size += sizeof(uint16);
|
---|
1378 |
|
---|
1379 | // bool isManual // If manual, no edge data here, loaded from manual mesh
|
---|
1380 | size += sizeof(bool);
|
---|
1381 | if (!isManual)
|
---|
1382 | {
|
---|
1383 | // unsigned long numTriangles
|
---|
1384 | size += sizeof(uint32);
|
---|
1385 | // unsigned long numEdgeGroups
|
---|
1386 | size += sizeof(uint32);
|
---|
1387 | // Triangle* triangleList
|
---|
1388 | size_t triSize = 0;
|
---|
1389 | // unsigned long indexSet
|
---|
1390 | // unsigned long vertexSet
|
---|
1391 | // unsigned long vertIndex[3]
|
---|
1392 | // unsigned long sharedVertIndex[3]
|
---|
1393 | // float normal[4]
|
---|
1394 | triSize += sizeof(uint32) * 8
|
---|
1395 | + sizeof(float) * 4;
|
---|
1396 |
|
---|
1397 | size += triSize * edgeData->triangles.size();
|
---|
1398 | // Write the groups
|
---|
1399 | for (EdgeData::EdgeGroupList::const_iterator gi = edgeData->edgeGroups.begin();
|
---|
1400 | gi != edgeData->edgeGroups.end(); ++gi)
|
---|
1401 | {
|
---|
1402 | const EdgeData::EdgeGroup& edgeGroup = *gi;
|
---|
1403 | size += calcEdgeGroupSize(edgeGroup);
|
---|
1404 | }
|
---|
1405 |
|
---|
1406 | }
|
---|
1407 |
|
---|
1408 | return size;
|
---|
1409 | }
|
---|
1410 | //---------------------------------------------------------------------
|
---|
1411 | size_t MeshSerializerImpl::calcEdgeGroupSize(const EdgeData::EdgeGroup& group)
|
---|
1412 | {
|
---|
1413 | size_t size = STREAM_OVERHEAD_SIZE;
|
---|
1414 |
|
---|
1415 | // unsigned long vertexSet
|
---|
1416 | size += sizeof(uint32);
|
---|
1417 | // unsigned long numEdges
|
---|
1418 | size += sizeof(uint32);
|
---|
1419 | // Edge* edgeList
|
---|
1420 | size_t edgeSize = 0;
|
---|
1421 | // unsigned long triIndex[2]
|
---|
1422 | // unsigned long vertIndex[2]
|
---|
1423 | // unsigned long sharedVertIndex[2]
|
---|
1424 | // bool degenerate
|
---|
1425 | edgeSize += sizeof(uint32) * 6 + sizeof(bool);
|
---|
1426 | size += edgeSize * group.edges.size();
|
---|
1427 |
|
---|
1428 | return size;
|
---|
1429 | }
|
---|
1430 | //---------------------------------------------------------------------
|
---|
1431 | void MeshSerializerImpl::writeEdgeList(const Mesh* pMesh)
|
---|
1432 | {
|
---|
1433 | writeChunkHeader(M_EDGE_LISTS, calcEdgeListSize(pMesh));
|
---|
1434 |
|
---|
1435 | for (ushort i = 0; i < pMesh->getNumLodLevels(); ++i)
|
---|
1436 | {
|
---|
1437 | const EdgeData* edgeData = pMesh->getEdgeList(i);
|
---|
1438 | bool isManual = pMesh->isLodManual() && (i > 0);
|
---|
1439 | writeChunkHeader(M_EDGE_LIST_LOD, calcEdgeListLodSize(edgeData, isManual));
|
---|
1440 |
|
---|
1441 | // unsigned short lodIndex
|
---|
1442 | writeShorts(&i, 1);
|
---|
1443 |
|
---|
1444 | // bool isManual // If manual, no edge data here, loaded from manual mesh
|
---|
1445 | writeBools(&isManual, 1);
|
---|
1446 | if (!isManual)
|
---|
1447 | {
|
---|
1448 | // unsigned long numTriangles
|
---|
1449 | uint32 count = static_cast<uint32>(edgeData->triangles.size());
|
---|
1450 | writeInts(&count, 1);
|
---|
1451 | // unsigned long numEdgeGroups
|
---|
1452 | count = static_cast<uint32>(edgeData->edgeGroups.size());
|
---|
1453 | writeInts(&count, 1);
|
---|
1454 | // Triangle* triangleList
|
---|
1455 | // Iterate rather than writing en-masse to allow endian conversion
|
---|
1456 | for (EdgeData::TriangleList::const_iterator t = edgeData->triangles.begin();
|
---|
1457 | t != edgeData->triangles.end(); ++t)
|
---|
1458 | {
|
---|
1459 | const EdgeData::Triangle& tri = *t;
|
---|
1460 | // unsigned long indexSet;
|
---|
1461 | uint32 tmp[3];
|
---|
1462 | tmp[0] = tri.indexSet;
|
---|
1463 | writeInts(tmp, 1);
|
---|
1464 | // unsigned long vertexSet;
|
---|
1465 | tmp[0] = tri.vertexSet;
|
---|
1466 | writeInts(tmp, 1);
|
---|
1467 | // unsigned long vertIndex[3];
|
---|
1468 | tmp[0] = tri.vertIndex[0];
|
---|
1469 | tmp[1] = tri.vertIndex[1];
|
---|
1470 | tmp[2] = tri.vertIndex[2];
|
---|
1471 | writeInts(tmp, 3);
|
---|
1472 | // unsigned long sharedVertIndex[3];
|
---|
1473 | tmp[0] = tri.sharedVertIndex[0];
|
---|
1474 | tmp[1] = tri.sharedVertIndex[1];
|
---|
1475 | tmp[2] = tri.sharedVertIndex[2];
|
---|
1476 | writeInts(tmp, 3);
|
---|
1477 | // float normal[4];
|
---|
1478 | writeFloats(&(tri.normal.x), 4);
|
---|
1479 |
|
---|
1480 | }
|
---|
1481 | // Write the groups
|
---|
1482 | for (EdgeData::EdgeGroupList::const_iterator gi = edgeData->edgeGroups.begin();
|
---|
1483 | gi != edgeData->edgeGroups.end(); ++gi)
|
---|
1484 | {
|
---|
1485 | const EdgeData::EdgeGroup& edgeGroup = *gi;
|
---|
1486 | writeChunkHeader(M_EDGE_GROUP, calcEdgeGroupSize(edgeGroup));
|
---|
1487 | // unsigned long vertexSet
|
---|
1488 | uint32 vertexSet = static_cast<uint32>(edgeGroup.vertexSet);
|
---|
1489 | writeInts(&vertexSet, 1);
|
---|
1490 | // unsigned long numEdges
|
---|
1491 | count = static_cast<uint32>(edgeGroup.edges.size());
|
---|
1492 | writeInts(&count, 1);
|
---|
1493 | // Edge* edgeList
|
---|
1494 | // Iterate rather than writing en-masse to allow endian conversion
|
---|
1495 | for (EdgeData::EdgeList::const_iterator ei = edgeGroup.edges.begin();
|
---|
1496 | ei != edgeGroup.edges.end(); ++ei)
|
---|
1497 | {
|
---|
1498 | const EdgeData::Edge& edge = *ei;
|
---|
1499 | uint32 tmp[2];
|
---|
1500 | // unsigned long triIndex[2]
|
---|
1501 | tmp[0] = edge.triIndex[0];
|
---|
1502 | tmp[1] = edge.triIndex[1];
|
---|
1503 | writeInts(tmp, 2);
|
---|
1504 | // unsigned long vertIndex[2]
|
---|
1505 | tmp[0] = edge.vertIndex[0];
|
---|
1506 | tmp[1] = edge.vertIndex[1];
|
---|
1507 | writeInts(tmp, 2);
|
---|
1508 | // unsigned long sharedVertIndex[2]
|
---|
1509 | tmp[0] = edge.sharedVertIndex[0];
|
---|
1510 | tmp[1] = edge.sharedVertIndex[1];
|
---|
1511 | writeInts(tmp, 2);
|
---|
1512 | // bool degenerate
|
---|
1513 | writeBools(&(edge.degenerate), 1);
|
---|
1514 | }
|
---|
1515 |
|
---|
1516 | }
|
---|
1517 |
|
---|
1518 | }
|
---|
1519 |
|
---|
1520 | }
|
---|
1521 | }
|
---|
1522 | //---------------------------------------------------------------------
|
---|
1523 | void MeshSerializerImpl::readEdgeList(DataStreamPtr& stream, Mesh* pMesh)
|
---|
1524 | {
|
---|
1525 | unsigned short streamID;
|
---|
1526 |
|
---|
1527 | if (!stream->eof())
|
---|
1528 | {
|
---|
1529 | streamID = readChunk(stream);
|
---|
1530 | while(!stream->eof() &&
|
---|
1531 | streamID == M_EDGE_LIST_LOD)
|
---|
1532 | {
|
---|
1533 | // Process single LOD
|
---|
1534 |
|
---|
1535 | // unsigned short lodIndex
|
---|
1536 | unsigned short lodIndex;
|
---|
1537 | readShorts(stream, &lodIndex, 1);
|
---|
1538 |
|
---|
1539 | // bool isManual // If manual, no edge data here, loaded from manual mesh
|
---|
1540 | bool isManual;
|
---|
1541 | readBools(stream, &isManual, 1);
|
---|
1542 | // Only load in non-manual levels; others will be connected up by Mesh on demand
|
---|
1543 | if (!isManual)
|
---|
1544 | {
|
---|
1545 | MeshLodUsage& usage = const_cast<MeshLodUsage&>(pMesh->getLodLevel(lodIndex));
|
---|
1546 |
|
---|
1547 | usage.edgeData = new EdgeData();
|
---|
1548 | // unsigned long numTriangles
|
---|
1549 | uint32 numTriangles;
|
---|
1550 | readInts(stream, &numTriangles, 1);
|
---|
1551 | // Allocate correct amount of memory
|
---|
1552 | usage.edgeData->triangles.resize(numTriangles);
|
---|
1553 | // unsigned long numEdgeGroups
|
---|
1554 | uint32 numEdgeGroups;
|
---|
1555 | readInts(stream, &numEdgeGroups, 1);
|
---|
1556 | // Allocate correct amount of memory
|
---|
1557 | usage.edgeData->edgeGroups.resize(numEdgeGroups);
|
---|
1558 | // Triangle* triangleList
|
---|
1559 | uint32 tmp[3];
|
---|
1560 | for (size_t t = 0; t < numTriangles; ++t)
|
---|
1561 | {
|
---|
1562 | EdgeData::Triangle& tri = usage.edgeData->triangles[t];
|
---|
1563 | // unsigned long indexSet
|
---|
1564 | readInts(stream, tmp, 1);
|
---|
1565 | tri.indexSet = tmp[0];
|
---|
1566 | // unsigned long vertexSet
|
---|
1567 | readInts(stream, tmp, 1);
|
---|
1568 | tri.vertexSet = tmp[0];
|
---|
1569 | // unsigned long vertIndex[3]
|
---|
1570 | readInts(stream, tmp, 3);
|
---|
1571 | tri.vertIndex[0] = tmp[0];
|
---|
1572 | tri.vertIndex[1] = tmp[1];
|
---|
1573 | tri.vertIndex[2] = tmp[2];
|
---|
1574 | // unsigned long sharedVertIndex[3]
|
---|
1575 | readInts(stream, tmp, 3);
|
---|
1576 | tri.sharedVertIndex[0] = tmp[0];
|
---|
1577 | tri.sharedVertIndex[1] = tmp[1];
|
---|
1578 | tri.sharedVertIndex[2] = tmp[2];
|
---|
1579 | // float normal[4]
|
---|
1580 | readFloats(stream, &(tri.normal.x), 4);
|
---|
1581 |
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 | for (uint32 eg = 0; eg < numEdgeGroups; ++eg)
|
---|
1585 | {
|
---|
1586 | streamID = readChunk(stream);
|
---|
1587 | if (streamID != M_EDGE_GROUP)
|
---|
1588 | {
|
---|
1589 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR,
|
---|
1590 | "Missing M_EDGE_GROUP stream",
|
---|
1591 | "MeshSerializerImpl::readEdgeList");
|
---|
1592 | }
|
---|
1593 | EdgeData::EdgeGroup& edgeGroup = usage.edgeData->edgeGroups[eg];
|
---|
1594 |
|
---|
1595 | // unsigned long vertexSet
|
---|
1596 | readInts(stream, tmp, 1);
|
---|
1597 | edgeGroup.vertexSet = tmp[0];
|
---|
1598 | // unsigned long numEdges
|
---|
1599 | uint32 numEdges;
|
---|
1600 | readInts(stream, &numEdges, 1);
|
---|
1601 | edgeGroup.edges.resize(numEdges);
|
---|
1602 | // Edge* edgeList
|
---|
1603 | for (uint32 e = 0; e < numEdges; ++e)
|
---|
1604 | {
|
---|
1605 | EdgeData::Edge& edge = edgeGroup.edges[e];
|
---|
1606 | // unsigned long triIndex[2]
|
---|
1607 | readInts(stream, tmp, 2);
|
---|
1608 | edge.triIndex[0] = tmp[0];
|
---|
1609 | edge.triIndex[1] = tmp[1];
|
---|
1610 | // unsigned long vertIndex[2]
|
---|
1611 | readInts(stream, tmp, 2);
|
---|
1612 | edge.vertIndex[0] = tmp[0];
|
---|
1613 | edge.vertIndex[1] = tmp[1];
|
---|
1614 | // unsigned long sharedVertIndex[2]
|
---|
1615 | readInts(stream, tmp, 2);
|
---|
1616 | edge.sharedVertIndex[0] = tmp[0];
|
---|
1617 | edge.sharedVertIndex[1] = tmp[1];
|
---|
1618 | // bool degenerate
|
---|
1619 | readBools(stream, &(edge.degenerate), 1);
|
---|
1620 | }
|
---|
1621 | // Populate edgeGroup.vertexData pointers
|
---|
1622 | // If there is shared vertex data, vertexSet 0 is that,
|
---|
1623 | // otherwise 0 is first dedicated
|
---|
1624 | if (pMesh->sharedVertexData)
|
---|
1625 | {
|
---|
1626 | if (edgeGroup.vertexSet == 0)
|
---|
1627 | {
|
---|
1628 | edgeGroup.vertexData = pMesh->sharedVertexData;
|
---|
1629 | }
|
---|
1630 | else
|
---|
1631 | {
|
---|
1632 | edgeGroup.vertexData = pMesh->getSubMesh(
|
---|
1633 | edgeGroup.vertexSet-1)->vertexData;
|
---|
1634 | }
|
---|
1635 | }
|
---|
1636 | else
|
---|
1637 | {
|
---|
1638 | edgeGroup.vertexData = pMesh->getSubMesh(
|
---|
1639 | edgeGroup.vertexSet)->vertexData;
|
---|
1640 | }
|
---|
1641 | }
|
---|
1642 |
|
---|
1643 | }
|
---|
1644 |
|
---|
1645 | if (!stream->eof())
|
---|
1646 | {
|
---|
1647 | streamID = readChunk(stream);
|
---|
1648 | }
|
---|
1649 |
|
---|
1650 | }
|
---|
1651 | if (!stream->eof())
|
---|
1652 | {
|
---|
1653 | // Backpedal back to start of stream
|
---|
1654 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
1655 | }
|
---|
1656 | }
|
---|
1657 |
|
---|
1658 |
|
---|
1659 |
|
---|
1660 | pMesh->mEdgeListsBuilt = true;
|
---|
1661 | }
|
---|
1662 | //---------------------------------------------------------------------
|
---|
1663 | //---------------------------------------------------------------------
|
---|
1664 | //---------------------------------------------------------------------
|
---|
1665 | MeshSerializerImpl_v1_2::MeshSerializerImpl_v1_2()
|
---|
1666 | {
|
---|
1667 | // Version number
|
---|
1668 | mVersion = "[MeshSerializer_v1.20]";
|
---|
1669 | }
|
---|
1670 | //---------------------------------------------------------------------
|
---|
1671 | MeshSerializerImpl_v1_2::~MeshSerializerImpl_v1_2()
|
---|
1672 | {
|
---|
1673 | }
|
---|
1674 | //---------------------------------------------------------------------
|
---|
1675 | void MeshSerializerImpl_v1_2::readMesh(DataStreamPtr& stream, Mesh* pMesh)
|
---|
1676 | {
|
---|
1677 | MeshSerializerImpl::readMesh(stream, pMesh);
|
---|
1678 | // Always automatically build edge lists for this version
|
---|
1679 | pMesh->mAutoBuildEdgeLists = true;
|
---|
1680 |
|
---|
1681 | }
|
---|
1682 | //---------------------------------------------------------------------
|
---|
1683 | void MeshSerializerImpl_v1_2::readGeometry(DataStreamPtr& stream, Mesh* pMesh,
|
---|
1684 | VertexData* dest)
|
---|
1685 | {
|
---|
1686 | unsigned short texCoordSet = 0;
|
---|
1687 |
|
---|
1688 | unsigned short bindIdx = 0;
|
---|
1689 |
|
---|
1690 | dest->vertexStart = 0;
|
---|
1691 |
|
---|
1692 | unsigned int vertexCount = 0;
|
---|
1693 | readInts(stream, &vertexCount, 1);
|
---|
1694 | dest->vertexCount = vertexCount;
|
---|
1695 |
|
---|
1696 | // Vertex buffers
|
---|
1697 |
|
---|
1698 | readGeometryPositions(bindIdx, stream, pMesh, dest);
|
---|
1699 | ++bindIdx;
|
---|
1700 |
|
---|
1701 | // Find optional geometry streams
|
---|
1702 | if (!stream->eof())
|
---|
1703 | {
|
---|
1704 | unsigned short streamID = readChunk(stream);
|
---|
1705 | while(!stream->eof() &&
|
---|
1706 | (streamID == M_GEOMETRY_NORMALS ||
|
---|
1707 | streamID == M_GEOMETRY_COLOURS ||
|
---|
1708 | streamID == M_GEOMETRY_TEXCOORDS ))
|
---|
1709 | {
|
---|
1710 | switch (streamID)
|
---|
1711 | {
|
---|
1712 | case M_GEOMETRY_NORMALS:
|
---|
1713 | readGeometryNormals(bindIdx++, stream, pMesh, dest);
|
---|
1714 | break;
|
---|
1715 | case M_GEOMETRY_COLOURS:
|
---|
1716 | readGeometryColours(bindIdx++, stream, pMesh, dest);
|
---|
1717 | break;
|
---|
1718 | case M_GEOMETRY_TEXCOORDS:
|
---|
1719 | readGeometryTexCoords(bindIdx++, stream, pMesh, dest, texCoordSet++);
|
---|
1720 | break;
|
---|
1721 | }
|
---|
1722 | // Get next stream
|
---|
1723 | if (!stream->eof())
|
---|
1724 | {
|
---|
1725 | streamID = readChunk(stream);
|
---|
1726 | }
|
---|
1727 | }
|
---|
1728 | if (!stream->eof())
|
---|
1729 | {
|
---|
1730 | // Backpedal back to start of non-submesh stream
|
---|
1731 | stream->skip(-STREAM_OVERHEAD_SIZE);
|
---|
1732 | }
|
---|
1733 | }
|
---|
1734 | }
|
---|
1735 | //---------------------------------------------------------------------
|
---|
1736 | void MeshSerializerImpl_v1_2::readGeometryPositions(unsigned short bindIdx,
|
---|
1737 | DataStreamPtr& stream, Mesh* pMesh, VertexData* dest)
|
---|
1738 | {
|
---|
1739 | float *pFloat = 0;
|
---|
1740 | HardwareVertexBufferSharedPtr vbuf;
|
---|
1741 | // float* pVertices (x, y, z order x numVertices)
|
---|
1742 | dest->vertexDeclaration->addElement(bindIdx, 0, VET_FLOAT3, VES_POSITION);
|
---|
1743 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
1744 | dest->vertexDeclaration->getVertexSize(bindIdx),
|
---|
1745 | dest->vertexCount,
|
---|
1746 | pMesh->mVertexBufferUsage,
|
---|
1747 | pMesh->mIndexBufferShadowBuffer);
|
---|
1748 | pFloat = static_cast<float*>(
|
---|
1749 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1750 | readFloats(stream, pFloat, dest->vertexCount * 3);
|
---|
1751 | vbuf->unlock();
|
---|
1752 | dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
|
---|
1753 | }
|
---|
1754 | //---------------------------------------------------------------------
|
---|
1755 | void MeshSerializerImpl_v1_2::readGeometryNormals(unsigned short bindIdx,
|
---|
1756 | DataStreamPtr& stream, Mesh* pMesh, VertexData* dest)
|
---|
1757 | {
|
---|
1758 | float *pFloat = 0;
|
---|
1759 | HardwareVertexBufferSharedPtr vbuf;
|
---|
1760 | // float* pNormals (x, y, z order x numVertices)
|
---|
1761 | dest->vertexDeclaration->addElement(bindIdx, 0, VET_FLOAT3, VES_NORMAL);
|
---|
1762 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
1763 | dest->vertexDeclaration->getVertexSize(bindIdx),
|
---|
1764 | dest->vertexCount,
|
---|
1765 | pMesh->mVertexBufferUsage,
|
---|
1766 | pMesh->mVertexBufferShadowBuffer);
|
---|
1767 | pFloat = static_cast<float*>(
|
---|
1768 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1769 | readFloats(stream, pFloat, dest->vertexCount * 3);
|
---|
1770 | vbuf->unlock();
|
---|
1771 | dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
|
---|
1772 | }
|
---|
1773 | //---------------------------------------------------------------------
|
---|
1774 | void MeshSerializerImpl_v1_2::readGeometryColours(unsigned short bindIdx,
|
---|
1775 | DataStreamPtr& stream, Mesh* pMesh, VertexData* dest)
|
---|
1776 | {
|
---|
1777 | RGBA* pRGBA = 0;
|
---|
1778 | HardwareVertexBufferSharedPtr vbuf;
|
---|
1779 | // unsigned long* pColours (RGBA 8888 format x numVertices)
|
---|
1780 | dest->vertexDeclaration->addElement(bindIdx, 0, VET_COLOUR, VES_DIFFUSE);
|
---|
1781 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
1782 | dest->vertexDeclaration->getVertexSize(bindIdx),
|
---|
1783 | dest->vertexCount,
|
---|
1784 | pMesh->mVertexBufferUsage,
|
---|
1785 | pMesh->mVertexBufferShadowBuffer);
|
---|
1786 | pRGBA = static_cast<RGBA*>(
|
---|
1787 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1788 | readInts(stream, pRGBA, dest->vertexCount);
|
---|
1789 | vbuf->unlock();
|
---|
1790 | dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
|
---|
1791 | }
|
---|
1792 | //---------------------------------------------------------------------
|
---|
1793 | void MeshSerializerImpl_v1_2::readGeometryTexCoords(unsigned short bindIdx,
|
---|
1794 | DataStreamPtr& stream, Mesh* pMesh, VertexData* dest, unsigned short texCoordSet)
|
---|
1795 | {
|
---|
1796 | float *pFloat = 0;
|
---|
1797 | HardwareVertexBufferSharedPtr vbuf;
|
---|
1798 | // unsigned short dimensions (1 for 1D, 2 for 2D, 3 for 3D)
|
---|
1799 | unsigned short dim;
|
---|
1800 | readShorts(stream, &dim, 1);
|
---|
1801 | // float* pTexCoords (u [v] [w] order, dimensions x numVertices)
|
---|
1802 | dest->vertexDeclaration->addElement(
|
---|
1803 | bindIdx,
|
---|
1804 | 0,
|
---|
1805 | VertexElement::multiplyTypeCount(VET_FLOAT1, dim),
|
---|
1806 | VES_TEXTURE_COORDINATES,
|
---|
1807 | texCoordSet);
|
---|
1808 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
1809 | dest->vertexDeclaration->getVertexSize(bindIdx),
|
---|
1810 | dest->vertexCount,
|
---|
1811 | pMesh->mVertexBufferUsage,
|
---|
1812 | pMesh->mVertexBufferShadowBuffer);
|
---|
1813 | pFloat = static_cast<float*>(
|
---|
1814 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1815 | readFloats(stream, pFloat, dest->vertexCount * dim);
|
---|
1816 | vbuf->unlock();
|
---|
1817 | dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
|
---|
1818 | }
|
---|
1819 | //---------------------------------------------------------------------
|
---|
1820 | //---------------------------------------------------------------------
|
---|
1821 | //---------------------------------------------------------------------
|
---|
1822 | MeshSerializerImpl_v1_1::MeshSerializerImpl_v1_1()
|
---|
1823 | {
|
---|
1824 | // Version number
|
---|
1825 | mVersion = "[MeshSerializer_v1.10]";
|
---|
1826 | }
|
---|
1827 | //---------------------------------------------------------------------
|
---|
1828 | MeshSerializerImpl_v1_1::~MeshSerializerImpl_v1_1()
|
---|
1829 | {
|
---|
1830 | }
|
---|
1831 | //---------------------------------------------------------------------
|
---|
1832 | void MeshSerializerImpl_v1_1::readGeometryTexCoords(unsigned short bindIdx,
|
---|
1833 | DataStreamPtr& stream, Mesh* pMesh, VertexData* dest, unsigned short texCoordSet)
|
---|
1834 | {
|
---|
1835 | float *pFloat = 0;
|
---|
1836 | HardwareVertexBufferSharedPtr vbuf;
|
---|
1837 | // unsigned short dimensions (1 for 1D, 2 for 2D, 3 for 3D)
|
---|
1838 | unsigned short dim;
|
---|
1839 | readShorts(stream, &dim, 1);
|
---|
1840 | // float* pTexCoords (u [v] [w] order, dimensions x numVertices)
|
---|
1841 | dest->vertexDeclaration->addElement(
|
---|
1842 | bindIdx,
|
---|
1843 | 0,
|
---|
1844 | VertexElement::multiplyTypeCount(VET_FLOAT1, dim),
|
---|
1845 | VES_TEXTURE_COORDINATES,
|
---|
1846 | texCoordSet);
|
---|
1847 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
1848 | dest->vertexDeclaration->getVertexSize(bindIdx),
|
---|
1849 | dest->vertexCount,
|
---|
1850 | pMesh->getVertexBufferUsage(),
|
---|
1851 | pMesh->isVertexBufferShadowed());
|
---|
1852 | pFloat = static_cast<float*>(
|
---|
1853 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
1854 | readFloats(stream, pFloat, dest->vertexCount * dim);
|
---|
1855 |
|
---|
1856 | // Adjust individual v values to (1 - v)
|
---|
1857 | if (dim == 2)
|
---|
1858 | {
|
---|
1859 | for (size_t i = 0; i < dest->vertexCount; ++i)
|
---|
1860 | {
|
---|
1861 | ++pFloat; // skip u
|
---|
1862 | *pFloat = 1.0 - *pFloat; // v = 1 - v
|
---|
1863 | ++pFloat;
|
---|
1864 | }
|
---|
1865 |
|
---|
1866 | }
|
---|
1867 | vbuf->unlock();
|
---|
1868 | dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
|
---|
1869 | }
|
---|
1870 | //---------------------------------------------------------------------
|
---|
1871 | //---------------------------------------------------------------------
|
---|
1872 | //---------------------------------------------------------------------
|
---|
1873 |
|
---|
1874 |
|
---|
1875 |
|
---|
1876 |
|
---|
1877 | }
|
---|
1878 |
|
---|