1 | /*==========================================================================
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2 | * (C) 2005 Universitat Jaume I
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3 | *==========================================================================
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4 | * PROYECT: GAME TOOLS
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5 | *==========================================================================*/
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6 | /* CONTENT:
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7 | *
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8 | *
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9 | * @file GeoMeshSaver.cpp
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10 | *==========================================================================*/
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11 | #include <GeoMeshSaver.h>
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12 |
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13 | using namespace Geometry;
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14 | using namespace std;
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15 |
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16 | //---------------------------------------------------------------------------
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17 | // Public:
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18 | //---------------------------------------------------------------------------
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19 |
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20 | //---------------------------------------------------------------------------
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21 | // Constructors.
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22 | //---------------------------------------------------------------------------
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23 | GeoMeshSaver::GeoMeshSaver()
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24 | {
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25 | leavesSubMesh = -1;
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26 | leavesVB = NULL;
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27 | numindices = 0;
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28 | indices = NULL;
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29 | }
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30 |
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31 | //---------------------------------------------------------------------------
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32 | // Destroyer.
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33 | //---------------------------------------------------------------------------
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34 | GeoMeshSaver::~GeoMeshSaver()
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35 | {
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36 | delete mGeoMesh;
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37 | }
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38 |
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39 | //---------------------------------------------------------------------------
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40 | // Saves a Mesh into a file.
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41 | //---------------------------------------------------------------------------
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42 | size_t GeoMeshSaver::save(Mesh *geoMesh, const char *fileNameMesh)
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43 | {
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44 | size_t size;
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45 | String name(fileNameMesh);
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46 | SubMesh *geosubmesh;
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47 |
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48 | mGeoMesh = new Mesh();
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49 |
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50 | // Set the mesh.
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51 | *mGeoMesh = *geoMesh;
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52 |
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53 | // Debug.
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54 | cout << endl
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55 | << endl
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56 | << "-----------------------------------"
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57 | << endl
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58 | << "\t SAVE MESH"
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59 | << endl
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60 | << "-----------------------------------"
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61 | << endl
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62 | << endl;
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63 |
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64 | // Unnormalize geometry model.
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65 | unnormalizeModel(mGeoMesh);
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66 |
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67 | if ((leavesSubMesh > -1) && leavesVB)
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68 | {
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69 | // Gets the leaves submesh.
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70 | geosubmesh = &mGeoMesh->mSubMesh[leavesSubMesh];
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71 |
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72 | Vector3 bmax( geoMesh->mMeshBounds.maxX,
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73 | geoMesh->mMeshBounds.maxY,
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74 | geoMesh->mMeshBounds.maxZ);
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75 |
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76 | Vector3 bmin( geoMesh->mMeshBounds.minX,
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77 | geoMesh->mMeshBounds.minY,
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78 | geoMesh->mMeshBounds.minZ);
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79 |
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80 | Vector3 center = (bmax + bmin) * 0.5f;
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81 |
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82 | float scale = geoMesh->mMeshBounds.scaleFactor;
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83 |
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84 | geosubmesh->mSharedVertexBuffer = false;
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85 | geosubmesh->mStripCount = 0;
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86 | geosubmesh->mIndexCount = numindices;
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87 |
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88 | size_t icount = geosubmesh->mIndexCount;
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89 |
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90 | geosubmesh->mIndex = new Index[icount];
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91 |
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92 | for (size_t i = 0; i < icount; i++)
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93 | {
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94 | geosubmesh->mIndex[i] = indices[i];
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95 | }
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96 |
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97 | geosubmesh->mType = GEO_TRIANGLE_LIST;
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98 | geosubmesh->mVertexBuffer = new VertexBuffer();
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99 | geosubmesh->mVertexBuffer->mVertexInfo
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100 | = VERTEX_POSITION;
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101 |
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102 | geosubmesh->mVertexBuffer->mVertexCount
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103 | = leavesVB->mVertexCount;
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104 |
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105 | size_t vcount;
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106 |
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107 | vcount = geosubmesh->mVertexBuffer->mVertexCount;
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108 |
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109 | geosubmesh->mVertexBuffer->mPosition
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110 | = new Vector3[vcount];
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111 |
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112 | geosubmesh->mVertexBuffer->mNormal
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113 | = new Vector3[vcount];
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114 |
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115 | geosubmesh->mVertexBuffer->mTexCoords
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116 | = new Vector2[vcount];
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117 |
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118 | for (size_t i = 0; i < vcount; i++)
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119 | {
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120 | geosubmesh->mVertexBuffer->mPosition[i].x = leavesVB->mPosition[i].x / scale + center.x;
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121 | geosubmesh->mVertexBuffer->mPosition[i].y = leavesVB->mPosition[i].y / scale + center.y;
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122 | geosubmesh->mVertexBuffer->mPosition[i].z = leavesVB->mPosition[i].z / scale + center.z;
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123 | geosubmesh->mVertexBuffer->mNormal[i].x = leavesVB->mNormal[i].x;
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124 | geosubmesh->mVertexBuffer->mNormal[i].y = leavesVB->mNormal[i].y;
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125 | geosubmesh->mVertexBuffer->mNormal[i].z = leavesVB->mNormal[i].z;
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126 | geosubmesh->mVertexBuffer->mTexCoords[i].x = leavesVB->mTexCoords[i].x;
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127 | geosubmesh->mVertexBuffer->mTexCoords[i].y = leavesVB->mTexCoords[i].y;
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128 | }
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129 | }
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130 |
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131 | // Open the file.
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132 | mSerializer = new Serializer(name,Serializer::WRITE);
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133 |
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134 | // Write the file header.
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135 | writeFileHeader();
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136 |
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137 | // Write the mesh data.
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138 | writeMesh(mGeoMesh);
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139 |
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140 | size = mSerializer->GetSize();
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141 |
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142 | // Close the file.
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143 | delete mSerializer;
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144 |
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145 | // Return the number of bytes written.
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146 | return size;
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147 | }
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148 |
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149 | //------------------------------------------
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150 | // Private:
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151 | //------------------------------------------
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152 |
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153 | // Write the main mesh.
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154 | void GeoMeshSaver::writeMesh(Mesh *geoMesh)
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155 | {
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156 | // Header
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157 | writeChunkHeader(M_MESH, (unsigned long)calcMeshSize(geoMesh));
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158 |
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159 | // Debug.
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160 | cout << " M_MESH"
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161 | << endl;
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162 |
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163 | // Write the skeletally animated flag.
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164 | writeBools(geoMesh->hasSkeleton,1);
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165 |
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166 | // Write shared geometry.
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167 | if (geoMesh->mVertexBuffer->mVertexCount > 0)
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168 | {
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169 | writeGeometry(geoMesh->mVertexBuffer);
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170 | }
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171 |
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172 | // Write submeshes.
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173 | for (size_t i = 0; i < geoMesh->mSubMeshCount; i++)
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174 | {
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175 | writeSubMesh(&geoMesh->mSubMesh[i]);
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176 | }
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177 |
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178 | // Write skeleton info if required
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179 | if (geoMesh->hasSkeleton)
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180 | {
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181 | // Write skeleton link
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182 | writeSkeletonLink(geoMesh->mSkeletonName);
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183 |
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184 | // Write bone assignments
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185 | if (!geoMesh->mBones.empty())
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186 | {
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187 |
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188 | for (size_t i = 0; i< geoMesh->mBones.size(); i++)
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189 | {
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190 | writeMeshBoneAssignment(geoMesh->mBones[i]);
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191 | }
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192 |
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193 | }
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194 | }
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195 |
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196 | // Write the mesh bounds.
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197 | writeMeshBounds(geoMesh);
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198 |
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199 | /*
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200 | // Write LOD data if any
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201 | if (pMesh->getNumLodLevels() > 1)
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202 | {
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203 | LogManager::getSingleton().logMessage("Exporting LOD information....");
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204 | writeLodInfo(pMesh);
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205 | LogManager::getSingleton().logMessage("LOD information exported.");
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206 |
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207 | }
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208 | // Write bounds information
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209 | LogManager::getSingleton().logMessage("Exporting bounds information....");
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210 | writeBoundsInfo(pMesh);
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211 | LogManager::getSingleton().logMessage("Bounds information exported.");
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212 |
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213 | // Write submesh name table
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214 | LogManager::getSingleton().logMessage("Exporting submesh name table...");
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215 | writeSubMeshNameTable(pMesh);
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216 | LogManager::getSingleton().logMessage("Submesh name table exported.");
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217 |
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218 | // Write edge lists
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219 | if (pMesh->isEdgeListBuilt())
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220 | {
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221 | LogManager::getSingleton().logMessage("Exporting edge lists...");
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222 | writeEdgeList(pMesh);
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223 | LogManager::getSingleton().logMessage("Edge lists exported");
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224 | }
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225 | */
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226 | }// End write mesh.
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227 |
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228 | // Write a submesh.
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229 | void GeoMeshSaver::writeSubMesh(SubMesh *geoSubMesh)
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230 | {
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231 | bool idx32bit;
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232 | size_t indexCount;
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233 | //Index *index;
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234 | //Index *indexBegin;
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235 | //Index *indexEnd;
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236 |
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237 | // Header.
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238 | writeChunkHeader(M_SUBMESH, (unsigned long)calcSubMeshSize(geoSubMesh));
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239 |
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240 | // Debug.
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241 | cout << " M_SUBMESH"
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242 | << endl;
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243 |
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244 | // Material Name.
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245 | strcat(geoSubMesh->mMaterialName,"\n");
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246 | mSerializer->WriteData(geoSubMesh->mMaterialName);
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247 |
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248 | // bool useSharedVertices
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249 | writeBools(geoSubMesh->mSharedVertexBuffer, 1);
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250 |
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251 | indexCount = geoSubMesh->mIndexCount;
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252 |
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253 | /*
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254 | // If the submesh is in triangle strips.
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255 | if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
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256 | {
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257 | indexCount += (2 * geoSubMesh->mStripCount)
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258 | -
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259 | 2;
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260 | }
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261 | */
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262 |
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263 | // Write index count.
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264 | writeInts((unsigned long)indexCount, 1);
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265 |
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266 | // bool indexes32Bit
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267 | idx32bit = true;
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268 | writeBools(idx32bit, 1);
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269 |
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270 | /*
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271 | // If the submesh is in triangle strips.
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272 | if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
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273 | {
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274 | // For each one of the strips.
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275 | for (int strip = 0; strip < geoSubMesh->mStripCount; strip++)
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276 | {
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277 | // First index of the strip.
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278 | indexBegin = geoSubMesh->mStrip[strip];
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279 |
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280 | // If is the final strip
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281 | if (strip == (geoSubMesh->mStripCount - 1))
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282 | {
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283 | // The end of the index array.
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284 | indexEnd = &geoSubMesh->mIndex[geoSubMesh->mIndexCount];
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285 | }
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286 | else
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287 | {
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288 | // The beginning of the next strip.
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289 | indexEnd = geoSubMesh->mStrip[strip + 1];
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290 | }
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291 |
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292 | int i;
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293 | i = 0;
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294 |
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295 | // Degenerate.
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296 | if (strip != 0)
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297 | {
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298 | writeInts(indexBegin[i], 1);
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299 | }
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300 |
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301 | // For each index of the strip.
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302 | for (index = indexBegin; index < indexEnd; index++)
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303 | {
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304 | writeInts(indexBegin[i], 1);
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305 |
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306 | // Increments i.
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307 | i++;
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308 | }
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309 |
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310 | // Degenerate.
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311 | if (strip != (geoSubMesh->mStripCount - 1))
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312 | {
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313 | writeInts(indexBegin[i - 1], 1);
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314 | }
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315 | }
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316 | }
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317 | // If the submesh is in triangle list.
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318 | else
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319 | {
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320 | */
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321 | // Write the index array.
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322 | for (size_t i = 0; i < geoSubMesh->mIndexCount; i++)
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323 | {
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324 | writeInts(geoSubMesh->mIndex[i], 1);
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325 | }
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326 | //}
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327 |
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328 | // M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
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329 | if (!geoSubMesh->mSharedVertexBuffer)
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330 | {
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331 | writeGeometry(geoSubMesh->mVertexBuffer);
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332 | }
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333 |
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334 | // Operation type
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335 | writeSubMeshOperation(geoSubMesh);
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336 |
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337 | // Bone assignments.
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338 | if (!geoSubMesh->mBones.empty())
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339 | {
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340 | for (size_t i = 0; i < geoSubMesh->mBones.size(); i++)
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341 | {
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342 | writeSubMeshBoneAssignment(geoSubMesh->mBones[i]);
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343 | }
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344 | }
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345 | }
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346 |
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347 | // Write the submesh operation chunk and data.
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348 | void GeoMeshSaver::writeSubMeshOperation(const SubMesh *geoSubMesh)
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349 | {
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350 | unsigned short opType;
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351 | unsigned long size;
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352 |
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353 | size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned short);
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354 |
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355 | // Header
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356 | writeChunkHeader(M_SUBMESH_OPERATION, size);
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357 |
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358 | // Debug.
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359 | cout << " M_SUBMESH_OPERATION"
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360 | << endl;
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361 |
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362 | // If the mesh is in triangle strips.
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363 | if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
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364 | {
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365 | opType = 5;
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366 | }
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367 | // If the mesh is in triangle list.
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368 | else
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369 | {
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370 | opType = 4;
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371 | }
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372 |
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373 | writeShorts(opType, 1);
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374 | }
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375 |
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376 | // Write geometry.
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377 | void GeoMeshSaver::writeGeometry(VertexBuffer *vertexBuffer)
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378 | {
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379 | unsigned short element;
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380 | unsigned long size;
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381 | unsigned short buffer_count;
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382 |
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383 | buffer_count = 3;
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384 |
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385 | // Calculate the size in bytes of the geometry chunk.
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386 | size = (unsigned long)calcGeometrySize(vertexBuffer);
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387 |
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388 | // Header.
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389 | //
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390 | // Write the M_GEOMETRY header.
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391 | writeChunkHeader(M_GEOMETRY, size);
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392 |
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393 | // Debug.
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394 | cout << " M_GEOMETRY"
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395 | << endl;
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396 |
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397 | writeInts((unsigned long)vertexBuffer->mVertexCount,1);
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398 |
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399 | // Vertex declaration.
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400 | // Calculate the size of vertex declaration.
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401 | size = CHUNK_OVERHEAD_SIZE
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402 | +
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403 | buffer_count
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404 | *
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405 | (CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5));
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406 |
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407 | // Write the vertex declaration header.
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408 | writeChunkHeader( M_GEOMETRY_VERTEX_DECLARATION,size);
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409 |
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410 | // Debug.
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411 | cout << " M_GEOMETRY_VERTEX_DECLARATION"
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412 | << endl;
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413 |
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414 | // Obtain the size of the vertex element chunk.
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415 | size = CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5);
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416 |
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417 | // Positions.
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418 | // Write the vertex element header for position.
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419 | writeChunkHeader( M_GEOMETRY_VERTEX_ELEMENT,size);
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420 |
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421 | // Debug.
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422 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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423 | << endl;
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424 |
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425 | element = 0;
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426 | writeShorts(element,1);
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427 |
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428 | element = VET_FLOAT3;
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429 | writeShorts(element,1);
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430 |
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431 | element = VES_POSITION;
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432 | writeShorts(element,1);
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433 |
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434 | element = 0;
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435 | writeShorts(element,1);
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436 |
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437 | element = 0;
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438 | writeShorts(element,1);
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439 |
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440 | // Normals.
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441 | // Write the vertex element header for position.
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442 | writeChunkHeader( M_GEOMETRY_VERTEX_ELEMENT,size);
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443 |
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444 | // Debug.
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445 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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446 | << endl;
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447 |
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448 | element = 1;
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449 | writeShorts(element,1);
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450 |
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451 | element = VET_FLOAT3;
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452 | writeShorts(element,1);
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453 |
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454 | element = VES_NORMAL;
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455 | writeShorts(element,1);
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456 |
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457 | element = 0;
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458 | writeShorts(element,1);
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459 |
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460 | element = 0;
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461 | writeShorts(element,1);
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462 |
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463 | // Textures.
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464 | // Write the vertex element header for position.
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465 | writeChunkHeader(M_GEOMETRY_VERTEX_ELEMENT,size);
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466 |
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467 | // Debug.
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468 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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469 | << endl;
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470 |
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471 | element = 2;
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472 | writeShorts(element,1);
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473 |
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474 | element = VET_FLOAT2;
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475 | writeShorts(element,1);
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476 |
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477 | element = VES_TEXTURE_COORDINATES;
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478 | writeShorts(element,1);
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479 |
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480 | element = 0;
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481 | writeShorts(element,1);
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482 |
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483 | element = 0;
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484 | writeShorts(element,1);
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485 |
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486 | // Obtain the size for vertex buffer header for positons.
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487 | size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
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488 |
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489 | // Write the vertex buffer header for positions.
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490 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
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491 |
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492 | // Debug.
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493 | cout << " M_GEOMETRY_VERTEX_BUFFER"
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494 | << endl;
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495 |
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496 | element = 0;
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497 | writeShorts(element,1);
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498 |
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499 | element = 12;
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500 | writeShorts(element,1);
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501 |
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502 | // Obtain the size for the vertex buffer data header for positions.
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503 | size = CHUNK_OVERHEAD_SIZE
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504 | +
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505 | ((sizeof(float) * 3) * vertexBuffer->mVertexCount);
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506 |
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507 | // Write the vertex buffer data header for positions.
|
---|
508 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
|
---|
509 |
|
---|
510 | // Debug.
|
---|
511 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
|
---|
512 | << endl;
|
---|
513 |
|
---|
514 | // Write all the positions coords.
|
---|
515 | mSerializer->WriteArray(vertexBuffer->mPosition,
|
---|
516 | vertexBuffer->mVertexCount);
|
---|
517 |
|
---|
518 | // Obtain the size for vertex buffer header for normals.
|
---|
519 | size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
|
---|
520 |
|
---|
521 | // Write the vertex buffer header.
|
---|
522 | writeChunkHeader( M_GEOMETRY_VERTEX_BUFFER, size);
|
---|
523 |
|
---|
524 | // Debug.
|
---|
525 | cout << " M_GEOMETRY_VERTEX_BUFFER"
|
---|
526 | << endl;
|
---|
527 |
|
---|
528 | element = 1;
|
---|
529 | writeShorts(element,1);
|
---|
530 |
|
---|
531 | element = 12;
|
---|
532 | writeShorts(element,1);
|
---|
533 |
|
---|
534 | // Obtain the size for the vertex buffer data header for normals.
|
---|
535 | size = CHUNK_OVERHEAD_SIZE
|
---|
536 | +
|
---|
537 | ((sizeof(float) * 3) * vertexBuffer->mVertexCount);
|
---|
538 |
|
---|
539 | // Write the vertex buffer data header for normals.
|
---|
540 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
|
---|
541 |
|
---|
542 | // Debug.
|
---|
543 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
|
---|
544 | << endl;
|
---|
545 |
|
---|
546 | // Write all the normals coords.
|
---|
547 | mSerializer->WriteArray(vertexBuffer->mNormal,
|
---|
548 | vertexBuffer->mVertexCount);
|
---|
549 |
|
---|
550 | // Obtain the size for vertex buffer header for textures.
|
---|
551 | size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
|
---|
552 |
|
---|
553 | // Write the vertex buffer header for textures.
|
---|
554 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
|
---|
555 |
|
---|
556 | // Debug.
|
---|
557 | cout << " M_GEOMETRY_VERTEX_BUFFER"
|
---|
558 | << endl;
|
---|
559 |
|
---|
560 | element = 2;
|
---|
561 | writeShorts(element,1);
|
---|
562 |
|
---|
563 | element = 8;
|
---|
564 | writeShorts(element,1);
|
---|
565 |
|
---|
566 | // Obtain the size for the vertex buffer data header for textures.
|
---|
567 | size = CHUNK_OVERHEAD_SIZE
|
---|
568 | +
|
---|
569 | ((sizeof(float) * 2) * vertexBuffer->mVertexCount);
|
---|
570 |
|
---|
571 | // Write the vertex buffer data header for textures.
|
---|
572 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
|
---|
573 |
|
---|
574 | // Debug.
|
---|
575 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
|
---|
576 | << endl;
|
---|
577 |
|
---|
578 | // Write all the texture coords.
|
---|
579 | mSerializer->WriteArray(vertexBuffer->mTexCoords,
|
---|
580 | vertexBuffer->mVertexCount);
|
---|
581 | }
|
---|
582 |
|
---|
583 | // Write Mesh Bounds.
|
---|
584 | void GeoMeshSaver::writeMeshBounds(Mesh *geoMesh)
|
---|
585 | {
|
---|
586 | size_t size;
|
---|
587 |
|
---|
588 | size = CHUNK_OVERHEAD_SIZE
|
---|
589 | +
|
---|
590 | (sizeof(float) * 7);
|
---|
591 |
|
---|
592 | writeChunkHeader(M_MESH_BOUNDS, (unsigned long)size);
|
---|
593 |
|
---|
594 | // Debug.
|
---|
595 | cout << " M_MESH_BOUNDS"
|
---|
596 | << endl;
|
---|
597 |
|
---|
598 | writeFloats(geoMesh->mMeshBounds.minX,1);
|
---|
599 | writeFloats(geoMesh->mMeshBounds.minY,1);
|
---|
600 | writeFloats(geoMesh->mMeshBounds.minZ,1);
|
---|
601 | writeFloats(geoMesh->mMeshBounds.maxX,1);
|
---|
602 | writeFloats(geoMesh->mMeshBounds.maxY,1);
|
---|
603 | writeFloats(geoMesh->mMeshBounds.maxZ,1);
|
---|
604 | writeFloats(geoMesh->mMeshBounds.radius,1);
|
---|
605 | }
|
---|
606 |
|
---|
607 | // Calculate the mesh size in bytes.
|
---|
608 | size_t GeoMeshSaver::calcMeshSize(const Mesh *geoMesh)
|
---|
609 | {
|
---|
610 | size_t size = CHUNK_OVERHEAD_SIZE;
|
---|
611 |
|
---|
612 | // Number of shared vertices
|
---|
613 | size += sizeof(uint32);
|
---|
614 |
|
---|
615 | // Geometry
|
---|
616 | if (geoMesh->mVertexBuffer->mVertexCount > 0)
|
---|
617 | {
|
---|
618 | size += calcGeometrySize(geoMesh->mVertexBuffer);
|
---|
619 | }
|
---|
620 |
|
---|
621 | // Submeshes
|
---|
622 | for (unsigned short i = 0; i < geoMesh->mSubMeshCount; ++i)
|
---|
623 | {
|
---|
624 | size += calcSubMeshSize(&geoMesh->mSubMesh[i]);
|
---|
625 | }
|
---|
626 |
|
---|
627 | // Mesh Bounds size added.
|
---|
628 | size += CHUNK_OVERHEAD_SIZE
|
---|
629 | +
|
---|
630 | (sizeof(float) * 7);
|
---|
631 |
|
---|
632 | // Skeleton link
|
---|
633 | if (geoMesh->hasSkeleton)
|
---|
634 | {
|
---|
635 | size += calcSkeletonLinkSize(geoMesh);
|
---|
636 | }
|
---|
637 |
|
---|
638 | /*
|
---|
639 | // Submesh name table
|
---|
640 | size += calcSubMeshNameTableSize(geoMesh);
|
---|
641 |
|
---|
642 | // Edge list
|
---|
643 | if (geoMesh->isEdgeListBuilt())
|
---|
644 | {
|
---|
645 | size += calcEdgeListSize(geoMesh);
|
---|
646 | }
|
---|
647 | */
|
---|
648 |
|
---|
649 | return size;
|
---|
650 | }
|
---|
651 |
|
---|
652 | // Calc the size in bytes for the submesh.
|
---|
653 | size_t GeoMeshSaver::calcSubMeshSize(const SubMesh *geoSubMesh)
|
---|
654 | {
|
---|
655 | size_t size = CHUNK_OVERHEAD_SIZE;
|
---|
656 |
|
---|
657 | // Material name
|
---|
658 | size += strlen(geoSubMesh->mMaterialName);
|
---|
659 |
|
---|
660 | // bool useSharedVertices
|
---|
661 | size += sizeof(bool);
|
---|
662 | // unsigned int indexCount
|
---|
663 | size += sizeof(unsigned int);
|
---|
664 | // bool indexes32bit
|
---|
665 | size += sizeof(bool);
|
---|
666 |
|
---|
667 | // unsigned int* faceVertexIndices
|
---|
668 | size += sizeof(unsigned int) * geoSubMesh->mIndexCount;
|
---|
669 |
|
---|
670 | // Geometry
|
---|
671 | if (!geoSubMesh->mSharedVertexBuffer)
|
---|
672 | {
|
---|
673 | size += calcGeometrySize(geoSubMesh->mVertexBuffer);
|
---|
674 | }
|
---|
675 |
|
---|
676 | return size;
|
---|
677 | }
|
---|
678 |
|
---|
679 | // Calculate the geometry size in bytes.
|
---|
680 | size_t GeoMeshSaver::calcGeometrySize(const VertexBuffer* vertexBuffer)
|
---|
681 | {
|
---|
682 | unsigned long size;
|
---|
683 | unsigned long buffer_count;
|
---|
684 |
|
---|
685 | // and another for normals.
|
---|
686 | buffer_count = 3;
|
---|
687 |
|
---|
688 | // Calculate the size of the Geometry chunk.
|
---|
689 | size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int);
|
---|
690 | size = size
|
---|
691 | +
|
---|
692 | CHUNK_OVERHEAD_SIZE
|
---|
693 | +
|
---|
694 | buffer_count
|
---|
695 | *
|
---|
696 | (CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5));
|
---|
697 | size = size
|
---|
698 | +
|
---|
699 | buffer_count
|
---|
700 | *
|
---|
701 | ( (CHUNK_OVERHEAD_SIZE * 2)
|
---|
702 | +
|
---|
703 | (sizeof(unsigned short) * 2)
|
---|
704 | +
|
---|
705 | vertexBuffer->mVertexCount
|
---|
706 | );
|
---|
707 |
|
---|
708 | return size;
|
---|
709 | }
|
---|
710 |
|
---|
711 | // Calculate the skeleton link size in bytes.
|
---|
712 | size_t GeoMeshSaver::calcSkeletonLinkSize(const Mesh *geoMesh)
|
---|
713 | {
|
---|
714 | size_t size = CHUNK_OVERHEAD_SIZE;
|
---|
715 | size += strlen(geoMesh->mSkeletonName);
|
---|
716 |
|
---|
717 | // Debug.
|
---|
718 | //cout << "Length Skeleton Link: "
|
---|
719 | // << strlen(geoMesh->mSkeletonName)
|
---|
720 | // << endl;
|
---|
721 |
|
---|
722 | return size;
|
---|
723 | }
|
---|
724 |
|
---|
725 | // Write the file header.
|
---|
726 | void GeoMeshSaver::writeFileHeader(void)
|
---|
727 | {
|
---|
728 | String mesh_version("[MeshSerializer_v1.30]\n");
|
---|
729 |
|
---|
730 | writeShorts(M_HEADER, 1);
|
---|
731 |
|
---|
732 | writeString(mesh_version);
|
---|
733 |
|
---|
734 | }
|
---|
735 |
|
---|
736 | // Write a header chunk given.
|
---|
737 | void GeoMeshSaver::writeChunkHeader(unsigned short id,
|
---|
738 | unsigned long size)
|
---|
739 | {
|
---|
740 | mSerializer->WriteData(&id,sizeof(unsigned short),1);
|
---|
741 | mSerializer->WriteData(&size,sizeof(unsigned long),1);
|
---|
742 | }
|
---|
743 |
|
---|
744 | // Write integers into the file.
|
---|
745 | void GeoMeshSaver::writeInts(unsigned long id,
|
---|
746 | unsigned long count)
|
---|
747 | {
|
---|
748 | mSerializer->WriteData(&id,sizeof(id),count);
|
---|
749 | }
|
---|
750 |
|
---|
751 | // Write shorts into the file
|
---|
752 | void GeoMeshSaver::writeShorts(unsigned short id,
|
---|
753 | unsigned long count)
|
---|
754 | {
|
---|
755 | mSerializer->WriteData(&id,sizeof(id),count);
|
---|
756 | }
|
---|
757 |
|
---|
758 | // Write float into the file.
|
---|
759 | void GeoMeshSaver::writeFloats(float id,
|
---|
760 | unsigned long count)
|
---|
761 | {
|
---|
762 | mSerializer->WriteData(&id,sizeof(id),count);
|
---|
763 | }
|
---|
764 |
|
---|
765 | // Write a string into the file.
|
---|
766 | void GeoMeshSaver::writeString(const String &string)
|
---|
767 | {
|
---|
768 | mSerializer->WriteData(string);
|
---|
769 | }
|
---|
770 |
|
---|
771 | // Write booleans into the file.
|
---|
772 | void GeoMeshSaver::writeBools( const bool id,
|
---|
773 | unsigned long count)
|
---|
774 | {
|
---|
775 | mSerializer->WriteData(&id,sizeof(bool),count);
|
---|
776 | }
|
---|
777 |
|
---|
778 | void GeoMeshSaver::writeSkeletonLink(const String& skelName)
|
---|
779 | {
|
---|
780 | writeChunkHeader( M_MESH_SKELETON_LINK,
|
---|
781 | (unsigned long)calcSkeletonLinkSize(mGeoMesh));
|
---|
782 |
|
---|
783 | // Debug.
|
---|
784 | cout << " M_MESH_SKELETON_LINK"
|
---|
785 | << endl;
|
---|
786 |
|
---|
787 | writeString(skelName);
|
---|
788 | }
|
---|
789 |
|
---|
790 | void GeoMeshSaver::writeMeshBoneAssignment(const VertexBoneAssignment& assign)
|
---|
791 | {
|
---|
792 | size_t size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int) + sizeof(unsigned short)+ sizeof(float);
|
---|
793 |
|
---|
794 | writeChunkHeader(M_MESH_BONE_ASSIGNMENT, (unsigned long)size);
|
---|
795 |
|
---|
796 | // unsigned int vertexIndex;
|
---|
797 | writeInts(assign.vertexIndex, 1);
|
---|
798 | // unsigned short boneIndex;
|
---|
799 | writeShorts(assign.boneIndex, 1);
|
---|
800 | // float weight;
|
---|
801 | writeFloats(assign.weight, 1);
|
---|
802 | }
|
---|
803 |
|
---|
804 | void GeoMeshSaver::writeSubMeshBoneAssignment(const VertexBoneAssignment& assign)
|
---|
805 | {
|
---|
806 | size_t size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int) + sizeof(unsigned short)+ sizeof(float);
|
---|
807 |
|
---|
808 | writeChunkHeader(M_SUBMESH_BONE_ASSIGNMENT, (unsigned long)size);
|
---|
809 |
|
---|
810 | // unsigned int vertexIndex;
|
---|
811 | writeInts(assign.vertexIndex, 1);
|
---|
812 | // unsigned short boneIndex;
|
---|
813 | writeShorts(assign.boneIndex, 1);
|
---|
814 | // float weight;
|
---|
815 | writeFloats(assign.weight, 1);
|
---|
816 | }
|
---|
817 |
|
---|
818 | // unnormalize geometry model.
|
---|
819 | void GeoMeshSaver::unnormalizeModel(Mesh *geoMesh)
|
---|
820 | {
|
---|
821 | float maxx;
|
---|
822 | float maxy;
|
---|
823 | float maxz;
|
---|
824 | float minx;
|
---|
825 | float miny;
|
---|
826 | float minz;
|
---|
827 | float cx;
|
---|
828 | float cy;
|
---|
829 | float cz;
|
---|
830 | float scale;
|
---|
831 |
|
---|
832 | VertexBuffer *vertex_buffer;
|
---|
833 |
|
---|
834 | maxx = geoMesh->mMeshBounds.maxX;
|
---|
835 | maxy = geoMesh->mMeshBounds.maxY;
|
---|
836 | maxz = geoMesh->mMeshBounds.maxZ;
|
---|
837 | minx = geoMesh->mMeshBounds.minX;
|
---|
838 | miny = geoMesh->mMeshBounds.minY;
|
---|
839 | minz = geoMesh->mMeshBounds.minZ;
|
---|
840 | scale = geoMesh->mMeshBounds.scaleFactor;
|
---|
841 |
|
---|
842 | // Calculate center of the model.
|
---|
843 | cx = (maxx + minx) / 2.0f;
|
---|
844 | cy = (maxy + miny) / 2.0f;
|
---|
845 | cz = (maxz + minz) / 2.0f;
|
---|
846 |
|
---|
847 | // Translate around center then scale.
|
---|
848 | // For each submesh.
|
---|
849 |
|
---|
850 | bool sharedScaled = false;
|
---|
851 |
|
---|
852 | for (size_t submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
853 | {
|
---|
854 | // Gets the actual submesh.
|
---|
855 | vertex_buffer = geoMesh->mSubMesh[submesh].mVertexBuffer;
|
---|
856 |
|
---|
857 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer && sharedScaled)
|
---|
858 | {
|
---|
859 | continue;
|
---|
860 | }
|
---|
861 |
|
---|
862 | // For each index of the strip.
|
---|
863 | for (size_t i = 0; i < vertex_buffer->mVertexCount; i++)
|
---|
864 | {
|
---|
865 | vertex_buffer->mPosition[i].x /= scale;
|
---|
866 | vertex_buffer->mPosition[i].y /= scale;
|
---|
867 | vertex_buffer->mPosition[i].z /= scale;
|
---|
868 | vertex_buffer->mPosition[i].x += cx;
|
---|
869 | vertex_buffer->mPosition[i].y += cy;
|
---|
870 | vertex_buffer->mPosition[i].z += cz;
|
---|
871 | }
|
---|
872 |
|
---|
873 | // If is a shared vertex Buffer.
|
---|
874 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer)
|
---|
875 | {
|
---|
876 | sharedScaled = true;
|
---|
877 | }
|
---|
878 | }
|
---|
879 | }
|
---|
880 |
|
---|