[989] | 1 | /*==========================================================================
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[774] | 2 | * (C) 2005 Universitat Jaume I
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[989] | 3 | *==========================================================================
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[774] | 4 | * PROYECT: GAME TOOLS
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[989] | 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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[774] | 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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[989] | 16 | //---------------------------------------------------------------------------
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[774] | 17 | // Public:
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[989] | 18 | //---------------------------------------------------------------------------
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[774] | 19 |
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[989] | 20 | //---------------------------------------------------------------------------
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| 21 | // Constructors.
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| 22 | //---------------------------------------------------------------------------
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[774] | 23 | GeoMeshSaver::GeoMeshSaver()
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| 24 | {
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[1070] | 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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[774] | 29 | }
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| 30 |
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[989] | 31 | //---------------------------------------------------------------------------
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| 32 | // Destroyer.
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| 33 | //---------------------------------------------------------------------------
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[774] | 34 | GeoMeshSaver::~GeoMeshSaver()
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| 35 | {
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[980] | 36 | delete mGeoMesh;
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[774] | 37 | }
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| 38 |
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[989] | 39 | //---------------------------------------------------------------------------
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[774] | 40 | // Saves a Mesh into a file.
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[989] | 41 | //---------------------------------------------------------------------------
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[774] | 42 | int GeoMeshSaver::save(Mesh *geoMesh, const char *fileNameMesh)
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| 43 | {
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| 44 | int size;
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| 45 | String name(fileNameMesh);
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[980] | 46 |
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| 47 | mGeoMesh = new Mesh();
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| 48 |
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| 49 | // Set the mesh.
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| 50 | *mGeoMesh = *geoMesh;
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| 51 |
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| 52 | // Debug.
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| 53 | cout << endl
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| 54 | << endl
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| 55 | << "-----------------------------------"
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| 56 | << endl
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| 57 | << "\t SAVE MESH"
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| 58 | << endl
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| 59 | << "-----------------------------------"
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| 60 | << endl
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| 61 | << endl;
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| 62 |
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| 63 | // Unnormalize geometry model.
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| 64 | unnormalizeModel(mGeoMesh);
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| 65 |
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[1017] | 66 | if (leavesSubMesh>-1 && leavesVB)
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| 67 | {
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| 68 | Vector3 bmax(geoMesh->mMeshBounds.maxX,geoMesh->mMeshBounds.maxY,geoMesh->mMeshBounds.maxZ);
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| 69 | Vector3 bmin(geoMesh->mMeshBounds.minX,geoMesh->mMeshBounds.minY,geoMesh->mMeshBounds.minZ);
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| 70 | Vector3 center = (bmax+bmin)*0.5f;
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| 71 | float scale = geoMesh->mMeshBounds.scaleFactor;
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| 72 |
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| 73 | mGeoMesh->mSubMesh[leavesSubMesh].mSharedVertexBuffer=false;
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| 74 | mGeoMesh->mSubMesh[leavesSubMesh].mStripCount=0;
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| 75 | mGeoMesh->mSubMesh[leavesSubMesh].mIndexCount=numindices;
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| 76 | int icount = mGeoMesh->mSubMesh[leavesSubMesh].mIndexCount;
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| 77 | mGeoMesh->mSubMesh[leavesSubMesh].mIndex=new Index[icount];
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| 78 | for (int i=0; i<icount; i++)
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| 79 | mGeoMesh->mSubMesh[leavesSubMesh].mIndex[i]=indices[i];
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| 80 |
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| 81 | mGeoMesh->mSubMesh[leavesSubMesh].mType=GEO_TRIANGLE_LIST;
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| 82 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer=new VertexBuffer();
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| 83 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mVertexInfo=VERTEX_POSITION;
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| 84 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mVertexCount=leavesVB->mVertexCount;;
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| 85 | int vcount = mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mVertexCount;
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| 86 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mPosition=new Vector3[vcount];
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| 87 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mNormal=new Vector3[vcount];
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| 88 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mTexCoords=new Vector2[vcount];
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| 89 | for (int i=0; i<vcount; i++)
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| 90 | {
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| 91 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mPosition[i].x = leavesVB->mPosition[i].x / scale + center.x;
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| 92 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mPosition[i].y = leavesVB->mPosition[i].y / scale + center.y;
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| 93 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mPosition[i].z = leavesVB->mPosition[i].z / scale + center.z;
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| 94 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mNormal[i].x = leavesVB->mNormal[i].x;
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| 95 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mNormal[i].y = leavesVB->mNormal[i].y;
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| 96 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mNormal[i].z = leavesVB->mNormal[i].z;
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| 97 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mTexCoords[i].x = leavesVB->mTexCoords[i].x;
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| 98 | mGeoMesh->mSubMesh[leavesSubMesh].mVertexBuffer->mTexCoords[i].y = leavesVB->mTexCoords[i].y;
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| 99 | }
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| 100 | }
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| 101 |
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[774] | 102 | // Open the file.
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[1017] | 103 | mSerializer = new Serializer(name,Serializer::WRITE);
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[774] | 104 |
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| 105 | // Write the file header.
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| 106 | writeFileHeader();
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| 107 |
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| 108 | // Write the mesh data.
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[980] | 109 | writeMesh(mGeoMesh);
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[774] | 110 |
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| 111 | size = mSerializer->GetSize();
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| 112 |
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| 113 | // Close the file.
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| 114 | delete mSerializer;
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| 115 |
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| 116 | // Return the number of bytes written.
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| 117 | return size;
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| 118 | }
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| 119 |
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| 120 | //------------------------------------------
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| 121 | // Private:
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| 122 | //------------------------------------------
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| 123 |
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| 124 | // Write the main mesh.
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| 125 | void GeoMeshSaver::writeMesh(Mesh *geoMesh)
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| 126 | {
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| 127 | // Header
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| 128 | writeChunkHeader(M_MESH, calcMeshSize(geoMesh));
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| 129 |
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[980] | 130 | // Debug.
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| 131 | cout << " M_MESH"
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| 132 | << endl;
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| 133 |
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[774] | 134 | // Write the skeletally animated flag.
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[980] | 135 | writeBools(geoMesh->hasSkeleton,1);
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[774] | 136 |
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| 137 | // Write shared geometry.
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| 138 | if (geoMesh->mVertexBuffer->mVertexCount > 0)
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| 139 | {
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| 140 | writeGeometry(geoMesh->mVertexBuffer);
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| 141 | }
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| 142 |
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| 143 | // Write submeshes.
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| 144 | for (int i = 0; i < geoMesh->mSubMeshCount; i++)
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| 145 | {
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| 146 | writeSubMesh(&geoMesh->mSubMesh[i]);
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| 147 | }
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| 148 |
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| 149 | // Write skeleton info if required
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[980] | 150 | if (geoMesh->hasSkeleton)
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[774] | 151 | {
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[980] | 152 | // Write skeleton link
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| 153 | writeSkeletonLink(geoMesh->mSkeletonName);
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[774] | 154 |
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[980] | 155 | // Write bone assignments
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| 156 | if (!geoMesh->mBones.empty())
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| 157 | {
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[774] | 158 |
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[1070] | 159 | for (int i = 0; i< geoMesh->mBones.size(); i++)
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[980] | 160 | {
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| 161 | writeMeshBoneAssignment(geoMesh->mBones[i]);
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| 162 | }
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[774] | 163 |
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[980] | 164 | }
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[774] | 165 | }
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| 166 |
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[980] | 167 | // Write the mesh bounds.
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| 168 | writeMeshBounds(geoMesh);
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| 169 |
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| 170 | /*
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[774] | 171 | // Write LOD data if any
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| 172 | if (pMesh->getNumLodLevels() > 1)
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| 173 | {
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| 174 | LogManager::getSingleton().logMessage("Exporting LOD information....");
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| 175 | writeLodInfo(pMesh);
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| 176 | LogManager::getSingleton().logMessage("LOD information exported.");
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| 177 |
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| 178 | }
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| 179 | // Write bounds information
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| 180 | LogManager::getSingleton().logMessage("Exporting bounds information....");
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| 181 | writeBoundsInfo(pMesh);
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| 182 | LogManager::getSingleton().logMessage("Bounds information exported.");
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| 183 |
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| 184 | // Write submesh name table
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| 185 | LogManager::getSingleton().logMessage("Exporting submesh name table...");
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| 186 | writeSubMeshNameTable(pMesh);
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| 187 | LogManager::getSingleton().logMessage("Submesh name table exported.");
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| 188 |
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| 189 | // Write edge lists
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| 190 | if (pMesh->isEdgeListBuilt())
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| 191 | {
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| 192 | LogManager::getSingleton().logMessage("Exporting edge lists...");
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| 193 | writeEdgeList(pMesh);
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| 194 | LogManager::getSingleton().logMessage("Edge lists exported");
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| 195 | }
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| 196 | */
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[980] | 197 | }// End write mesh.
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[774] | 198 |
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| 199 | // Write a submesh.
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| 200 | void GeoMeshSaver::writeSubMesh(SubMesh *geoSubMesh)
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| 201 | {
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| 202 | bool idx32bit;
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| 203 | unsigned long indexCount;
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[891] | 204 | Index *index;
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| 205 | Index *indexBegin;
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| 206 | Index *indexEnd;
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[1070] | 207 |
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[774] | 208 | // Header.
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| 209 | writeChunkHeader(M_SUBMESH, calcSubMeshSize(geoSubMesh));
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| 210 |
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| 211 | // Debug.
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[980] | 212 | cout << " M_SUBMESH"
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[774] | 213 | << endl;
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| 214 |
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| 215 | // Material Name.
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[1024] | 216 | strcat(geoSubMesh->mMaterialName,"\n");
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[980] | 217 | mSerializer->WriteData(geoSubMesh->mMaterialName);
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[774] | 218 |
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| 219 | // bool useSharedVertices
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| 220 | writeBools(geoSubMesh->mSharedVertexBuffer, 1);
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| 221 |
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| 222 | indexCount = geoSubMesh->mIndexCount;
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[1070] | 223 |
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| 224 | /*
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[891] | 225 | // If the submesh is in triangle strips.
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| 226 | if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
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| 227 | {
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[1070] | 228 | indexCount += (2 * geoSubMesh->mStripCount)
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| 229 | -
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| 230 | 2;
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[891] | 231 | }
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[1070] | 232 | */
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[891] | 233 |
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[980] | 234 | // Write index count.
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[774] | 235 | writeInts(indexCount, 1);
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| 236 |
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| 237 | // bool indexes32Bit
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| 238 | idx32bit = true;
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| 239 | writeBools(idx32bit, 1);
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| 240 |
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[1070] | 241 | /*
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[891] | 242 | // If the submesh is in triangle strips.
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| 243 | if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
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[774] | 244 | {
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[891] | 245 | // For each one of the strips.
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| 246 | for (int strip = 0; strip < geoSubMesh->mStripCount; strip++)
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| 247 | {
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| 248 | // First index of the strip.
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| 249 | indexBegin = geoSubMesh->mStrip[strip];
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| 250 |
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| 251 | // If is the final strip
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| 252 | if (strip == (geoSubMesh->mStripCount - 1))
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| 253 | {
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| 254 | // The end of the index array.
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| 255 | indexEnd = &geoSubMesh->mIndex[geoSubMesh->mIndexCount];
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| 256 | }
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| 257 | else
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| 258 | {
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| 259 | // The beginning of the next strip.
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| 260 | indexEnd = geoSubMesh->mStrip[strip + 1];
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| 261 | }
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| 262 |
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| 263 | int i;
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| 264 | i = 0;
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| 265 |
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[1070] | 266 | // Degenerate.
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[891] | 267 | if (strip != 0)
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| 268 | {
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| 269 | writeInts(indexBegin[i], 1);
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| 270 | }
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| 271 |
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| 272 | // For each index of the strip.
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| 273 | for (index = indexBegin; index < indexEnd; index++)
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| 274 | {
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| 275 | writeInts(indexBegin[i], 1);
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| 276 |
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| 277 | // Increments i.
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| 278 | i++;
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| 279 | }
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| 280 |
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[1070] | 281 | // Degenerate.
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[891] | 282 | if (strip != (geoSubMesh->mStripCount - 1))
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| 283 | {
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| 284 | writeInts(indexBegin[i - 1], 1);
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| 285 | }
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| 286 | }
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[774] | 287 | }
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[891] | 288 | // If the submesh is in triangle list.
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| 289 | else
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| 290 | {
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[1070] | 291 | */
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[891] | 292 | // Write the index array.
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| 293 | for (int i = 0; i < geoSubMesh->mIndexCount; i++)
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| 294 | {
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| 295 | writeInts(geoSubMesh->mIndex[i], 1);
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| 296 | }
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[1070] | 297 | //}
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[774] | 298 |
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| 299 | // M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
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| 300 | if (!geoSubMesh->mSharedVertexBuffer)
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| 301 | {
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| 302 | writeGeometry(geoSubMesh->mVertexBuffer);
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| 303 | }
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| 304 |
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| 305 | // Operation type
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| 306 | writeSubMeshOperation(geoSubMesh);
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| 307 |
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[1070] | 308 | // Bone assignments.
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[980] | 309 | if (!geoSubMesh->mBones.empty())
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[774] | 310 | {
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[980] | 311 | for (int i = 0; i < geoSubMesh->mBones.size(); i++)
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[774] | 312 | {
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[980] | 313 | writeSubMeshBoneAssignment(geoSubMesh->mBones[i]);
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[774] | 314 | }
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| 315 | }
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| 316 | }
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| 317 |
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| 318 | // Write the submesh operation chunk and data.
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| 319 | void GeoMeshSaver::writeSubMeshOperation(const SubMesh *geoSubMesh)
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| 320 | {
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| 321 | unsigned short opType;
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| 322 | unsigned long size;
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| 323 |
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| 324 | size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned short);
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| 325 |
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| 326 | // Header
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| 327 | writeChunkHeader(M_SUBMESH_OPERATION, size);
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| 328 |
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[980] | 329 | // Debug.
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| 330 | cout << " M_SUBMESH_OPERATION"
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| 331 | << endl;
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| 332 |
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[774] | 333 | // If the mesh is in triangle strips.
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[826] | 334 | if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
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[774] | 335 | {
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| 336 | opType = 5;
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| 337 | }
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| 338 | // If the mesh is in triangle list.
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| 339 | else
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| 340 | {
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| 341 | opType = 4;
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| 342 | }
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| 343 |
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| 344 | writeShorts(opType, 1);
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| 345 | }
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| 346 |
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| 347 | // Write geometry.
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| 348 | void GeoMeshSaver::writeGeometry(VertexBuffer *vertexBuffer)
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| 349 | {
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| 350 | unsigned short element;
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| 351 | unsigned long size;
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| 352 | unsigned short buffer_count;
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| 353 |
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| 354 | buffer_count = 3;
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| 355 |
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[985] | 356 | // Calculate the size in bytes of the geometry chunk.
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[774] | 357 | size = calcGeometrySize(vertexBuffer);
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| 358 |
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| 359 | // Header.
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| 360 | //
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| 361 | // Write the M_GEOMETRY header.
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| 362 | writeChunkHeader(M_GEOMETRY, size);
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| 363 |
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[980] | 364 | // Debug.
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| 365 | cout << " M_GEOMETRY"
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| 366 | << endl;
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| 367 |
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[774] | 368 | writeInts(vertexBuffer->mVertexCount,1);
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| 369 |
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| 370 | // Vertex declaration.
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| 371 | // Calculate the size of vertex declaration.
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| 372 | size = CHUNK_OVERHEAD_SIZE
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| 373 | +
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| 374 | buffer_count
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| 375 | *
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| 376 | (CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5));
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| 377 |
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| 378 | // Write the vertex declaration header.
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| 379 | writeChunkHeader( M_GEOMETRY_VERTEX_DECLARATION,size);
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| 380 |
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[980] | 381 | // Debug.
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| 382 | cout << " M_GEOMETRY_VERTEX_DECLARATION"
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| 383 | << endl;
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| 384 |
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[774] | 385 | // Obtain the size of the vertex element chunk.
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| 386 | size = CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5);
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| 387 |
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| 388 | // Positions.
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| 389 | // Write the vertex element header for position.
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| 390 | writeChunkHeader( M_GEOMETRY_VERTEX_ELEMENT,size);
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| 391 |
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[980] | 392 | // Debug.
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| 393 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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| 394 | << endl;
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| 395 |
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[774] | 396 | element = 0;
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| 397 | writeShorts(element,1);
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| 398 |
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| 399 | element = VET_FLOAT3;
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| 400 | writeShorts(element,1);
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| 401 |
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| 402 | element = VES_POSITION;
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| 403 | writeShorts(element,1);
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| 404 |
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| 405 | element = 0;
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| 406 | writeShorts(element,1);
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| 407 |
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| 408 | element = 0;
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| 409 | writeShorts(element,1);
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| 410 |
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| 411 | // Normals.
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| 412 | // Write the vertex element header for position.
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| 413 | writeChunkHeader( M_GEOMETRY_VERTEX_ELEMENT,size);
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| 414 |
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[980] | 415 | // Debug.
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| 416 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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| 417 | << endl;
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| 418 |
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[774] | 419 | element = 1;
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| 420 | writeShorts(element,1);
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| 421 |
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| 422 | element = VET_FLOAT3;
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| 423 | writeShorts(element,1);
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| 424 |
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| 425 | element = VES_NORMAL;
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| 426 | writeShorts(element,1);
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| 427 |
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| 428 | element = 0;
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| 429 | writeShorts(element,1);
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| 430 |
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| 431 | element = 0;
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| 432 | writeShorts(element,1);
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| 433 |
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| 434 | // Textures.
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| 435 | // Write the vertex element header for position.
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| 436 | writeChunkHeader(M_GEOMETRY_VERTEX_ELEMENT,size);
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| 437 |
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[980] | 438 | // Debug.
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| 439 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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| 440 | << endl;
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| 441 |
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[774] | 442 | element = 2;
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| 443 | writeShorts(element,1);
|
---|
| 444 |
|
---|
| 445 | element = VET_FLOAT2;
|
---|
| 446 | writeShorts(element,1);
|
---|
| 447 |
|
---|
| 448 | element = VES_TEXTURE_COORDINATES;
|
---|
| 449 | writeShorts(element,1);
|
---|
| 450 |
|
---|
| 451 | element = 0;
|
---|
| 452 | writeShorts(element,1);
|
---|
| 453 |
|
---|
| 454 | element = 0;
|
---|
| 455 | writeShorts(element,1);
|
---|
| 456 |
|
---|
| 457 | // Obtain the size for vertex buffer header for positons.
|
---|
| 458 | size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
|
---|
| 459 |
|
---|
| 460 | // Write the vertex buffer header for positions.
|
---|
| 461 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
|
---|
| 462 |
|
---|
[980] | 463 | // Debug.
|
---|
| 464 | cout << " M_GEOMETRY_VERTEX_BUFFER"
|
---|
| 465 | << endl;
|
---|
| 466 |
|
---|
[774] | 467 | element = 0;
|
---|
| 468 | writeShorts(element,1);
|
---|
| 469 |
|
---|
| 470 | element = 12;
|
---|
| 471 | writeShorts(element,1);
|
---|
| 472 |
|
---|
| 473 | // Obtain the size for the vertex buffer data header for positions.
|
---|
| 474 | size = CHUNK_OVERHEAD_SIZE
|
---|
| 475 | +
|
---|
| 476 | ((sizeof(float) * 3) * vertexBuffer->mVertexCount);
|
---|
| 477 |
|
---|
| 478 | // Write the vertex buffer data header for positions.
|
---|
| 479 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
|
---|
| 480 |
|
---|
[980] | 481 | // Debug.
|
---|
| 482 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
|
---|
| 483 | << endl;
|
---|
| 484 |
|
---|
[774] | 485 | // Write all the positions coords.
|
---|
| 486 | mSerializer->WriteArray(vertexBuffer->mPosition,
|
---|
| 487 | vertexBuffer->mVertexCount);
|
---|
| 488 |
|
---|
| 489 | // Obtain the size for vertex buffer header for normals.
|
---|
| 490 | size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
|
---|
| 491 |
|
---|
| 492 | // Write the vertex buffer header.
|
---|
| 493 | writeChunkHeader( M_GEOMETRY_VERTEX_BUFFER, size);
|
---|
| 494 |
|
---|
[980] | 495 | // Debug.
|
---|
| 496 | cout << " M_GEOMETRY_VERTEX_BUFFER"
|
---|
| 497 | << endl;
|
---|
| 498 |
|
---|
[774] | 499 | element = 1;
|
---|
| 500 | writeShorts(element,1);
|
---|
| 501 |
|
---|
| 502 | element = 12;
|
---|
| 503 | writeShorts(element,1);
|
---|
| 504 |
|
---|
| 505 | // Obtain the size for the vertex buffer data header for normals.
|
---|
| 506 | size = CHUNK_OVERHEAD_SIZE
|
---|
| 507 | +
|
---|
| 508 | ((sizeof(float) * 3) * vertexBuffer->mVertexCount);
|
---|
| 509 |
|
---|
| 510 | // Write the vertex buffer data header for normals.
|
---|
| 511 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
|
---|
| 512 |
|
---|
[980] | 513 | // Debug.
|
---|
| 514 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
|
---|
| 515 | << endl;
|
---|
| 516 |
|
---|
[774] | 517 | // Write all the normals coords.
|
---|
| 518 | mSerializer->WriteArray(vertexBuffer->mNormal,
|
---|
| 519 | vertexBuffer->mVertexCount);
|
---|
| 520 |
|
---|
| 521 | // Obtain the size for vertex buffer header for textures.
|
---|
| 522 | size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
|
---|
| 523 |
|
---|
| 524 | // Write the vertex buffer header for textures.
|
---|
| 525 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
|
---|
| 526 |
|
---|
[980] | 527 | // Debug.
|
---|
| 528 | cout << " M_GEOMETRY_VERTEX_BUFFER"
|
---|
| 529 | << endl;
|
---|
| 530 |
|
---|
[774] | 531 | element = 2;
|
---|
| 532 | writeShorts(element,1);
|
---|
| 533 |
|
---|
| 534 | element = 8;
|
---|
| 535 | writeShorts(element,1);
|
---|
| 536 |
|
---|
| 537 | // Obtain the size for the vertex buffer data header for textures.
|
---|
| 538 | size = CHUNK_OVERHEAD_SIZE
|
---|
| 539 | +
|
---|
| 540 | ((sizeof(float) * 2) * vertexBuffer->mVertexCount);
|
---|
| 541 |
|
---|
| 542 | // Write the vertex buffer data header for textures.
|
---|
| 543 | writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
|
---|
| 544 |
|
---|
| 545 | // Debug.
|
---|
[980] | 546 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
|
---|
| 547 | << endl;
|
---|
[774] | 548 |
|
---|
| 549 | // Write all the texture coords.
|
---|
| 550 | mSerializer->WriteArray(vertexBuffer->mTexCoords,
|
---|
| 551 | vertexBuffer->mVertexCount);
|
---|
| 552 | }
|
---|
| 553 |
|
---|
[980] | 554 | // Write Mesh Bounds.
|
---|
| 555 | void GeoMeshSaver::writeMeshBounds(Mesh *geoMesh)
|
---|
[774] | 556 | {
|
---|
| 557 | size_t size;
|
---|
| 558 |
|
---|
| 559 | size = CHUNK_OVERHEAD_SIZE
|
---|
| 560 | +
|
---|
| 561 | (sizeof(float) * 7);
|
---|
| 562 |
|
---|
| 563 | writeChunkHeader(M_MESH_BOUNDS, size);
|
---|
| 564 |
|
---|
[980] | 565 | // Debug.
|
---|
| 566 | cout << " M_MESH_BOUNDS"
|
---|
| 567 | << endl;
|
---|
| 568 |
|
---|
| 569 | writeFloats(geoMesh->mMeshBounds.minX,1);
|
---|
| 570 | writeFloats(geoMesh->mMeshBounds.minY,1);
|
---|
| 571 | writeFloats(geoMesh->mMeshBounds.minZ,1);
|
---|
| 572 | writeFloats(geoMesh->mMeshBounds.maxX,1);
|
---|
| 573 | writeFloats(geoMesh->mMeshBounds.maxY,1);
|
---|
| 574 | writeFloats(geoMesh->mMeshBounds.maxZ,1);
|
---|
| 575 | writeFloats(geoMesh->mMeshBounds.radius,1);
|
---|
[774] | 576 | }
|
---|
| 577 |
|
---|
[985] | 578 | // Calculate the mesh size in bytes.
|
---|
[774] | 579 | size_t GeoMeshSaver::calcMeshSize(const Mesh *geoMesh)
|
---|
| 580 | {
|
---|
| 581 | size_t size = CHUNK_OVERHEAD_SIZE;
|
---|
| 582 |
|
---|
[985] | 583 | // Number of shared vertices
|
---|
[774] | 584 | size += sizeof(uint32);
|
---|
| 585 |
|
---|
| 586 | // Geometry
|
---|
| 587 | if (geoMesh->mVertexBuffer->mVertexCount > 0)
|
---|
| 588 | {
|
---|
| 589 | size += calcGeometrySize(geoMesh->mVertexBuffer);
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 | // Submeshes
|
---|
| 593 | for (unsigned short i = 0; i < geoMesh->mSubMeshCount; ++i)
|
---|
| 594 | {
|
---|
| 595 | size += calcSubMeshSize(&geoMesh->mSubMesh[i]);
|
---|
| 596 | }
|
---|
| 597 |
|
---|
| 598 | // Mesh Bounds size added.
|
---|
| 599 | size += CHUNK_OVERHEAD_SIZE
|
---|
| 600 | +
|
---|
| 601 | (sizeof(float) * 7);
|
---|
| 602 |
|
---|
| 603 | // Skeleton link
|
---|
[980] | 604 | if (geoMesh->hasSkeleton)
|
---|
[774] | 605 | {
|
---|
[980] | 606 | size += calcSkeletonLinkSize(geoMesh);
|
---|
[774] | 607 | }
|
---|
| 608 |
|
---|
| 609 | /*
|
---|
| 610 | // Submesh name table
|
---|
| 611 | size += calcSubMeshNameTableSize(geoMesh);
|
---|
| 612 |
|
---|
| 613 | // Edge list
|
---|
| 614 | if (geoMesh->isEdgeListBuilt())
|
---|
| 615 | {
|
---|
| 616 | size += calcEdgeListSize(geoMesh);
|
---|
| 617 | }
|
---|
| 618 | */
|
---|
| 619 |
|
---|
| 620 | return size;
|
---|
| 621 | }
|
---|
| 622 |
|
---|
| 623 | // Calc the size in bytes for the submesh.
|
---|
| 624 | size_t GeoMeshSaver::calcSubMeshSize(const SubMesh *geoSubMesh)
|
---|
| 625 | {
|
---|
| 626 | size_t size = CHUNK_OVERHEAD_SIZE;
|
---|
| 627 |
|
---|
| 628 | // Material name
|
---|
[980] | 629 | size += strlen(geoSubMesh->mMaterialName);
|
---|
[774] | 630 |
|
---|
| 631 | // bool useSharedVertices
|
---|
| 632 | size += sizeof(bool);
|
---|
| 633 | // unsigned int indexCount
|
---|
| 634 | size += sizeof(unsigned int);
|
---|
| 635 | // bool indexes32bit
|
---|
| 636 | size += sizeof(bool);
|
---|
| 637 |
|
---|
| 638 | // unsigned int* faceVertexIndices
|
---|
| 639 | size += sizeof(unsigned int) * geoSubMesh->mIndexCount;
|
---|
| 640 |
|
---|
| 641 | // Geometry
|
---|
| 642 | if (!geoSubMesh->mSharedVertexBuffer)
|
---|
| 643 | {
|
---|
| 644 | size += calcGeometrySize(geoSubMesh->mVertexBuffer);
|
---|
| 645 | }
|
---|
| 646 |
|
---|
| 647 | return size;
|
---|
| 648 | }
|
---|
| 649 |
|
---|
[985] | 650 | // Calculate the geometry size in bytes.
|
---|
[774] | 651 | size_t GeoMeshSaver::calcGeometrySize(const VertexBuffer* vertexBuffer)
|
---|
| 652 | {
|
---|
| 653 | unsigned long size;
|
---|
| 654 | unsigned long buffer_count;
|
---|
| 655 |
|
---|
| 656 | // and another for normals.
|
---|
| 657 | buffer_count = 3;
|
---|
| 658 |
|
---|
| 659 | // Calculate the size of the Geometry chunk.
|
---|
| 660 | size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int);
|
---|
| 661 | size = size
|
---|
| 662 | +
|
---|
| 663 | CHUNK_OVERHEAD_SIZE
|
---|
| 664 | +
|
---|
| 665 | buffer_count
|
---|
| 666 | *
|
---|
| 667 | (CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5));
|
---|
| 668 | size = size
|
---|
| 669 | +
|
---|
| 670 | buffer_count
|
---|
| 671 | *
|
---|
| 672 | ( (CHUNK_OVERHEAD_SIZE * 2)
|
---|
| 673 | +
|
---|
| 674 | (sizeof(unsigned short) * 2)
|
---|
| 675 | +
|
---|
| 676 | vertexBuffer->mVertexCount
|
---|
| 677 | );
|
---|
| 678 |
|
---|
| 679 | return size;
|
---|
| 680 | }
|
---|
| 681 |
|
---|
[980] | 682 | // Calculate the skeleton link size in bytes.
|
---|
| 683 | size_t GeoMeshSaver::calcSkeletonLinkSize(const Mesh *geoMesh)
|
---|
| 684 | {
|
---|
| 685 | size_t size = CHUNK_OVERHEAD_SIZE;
|
---|
| 686 | size += strlen(geoMesh->mSkeletonName);
|
---|
| 687 |
|
---|
| 688 | // Debug.
|
---|
| 689 | cout << "Length Skeleton Link: "
|
---|
| 690 | << strlen(geoMesh->mSkeletonName)
|
---|
| 691 | << endl;
|
---|
| 692 |
|
---|
| 693 | return size;
|
---|
| 694 | }
|
---|
| 695 |
|
---|
[774] | 696 | // Write the file header.
|
---|
| 697 | void GeoMeshSaver::writeFileHeader(void)
|
---|
| 698 | {
|
---|
[980] | 699 | String mesh_version("[MeshSerializer_v1.30]\n");
|
---|
[774] | 700 |
|
---|
| 701 | writeShorts(M_HEADER, 1);
|
---|
| 702 |
|
---|
| 703 | writeString(mesh_version);
|
---|
| 704 |
|
---|
| 705 | }
|
---|
| 706 |
|
---|
| 707 | // Write a header chunk given.
|
---|
| 708 | void GeoMeshSaver::writeChunkHeader(unsigned short id,
|
---|
| 709 | unsigned long size)
|
---|
| 710 | {
|
---|
| 711 | mSerializer->WriteData(&id,sizeof(unsigned short),1);
|
---|
| 712 | mSerializer->WriteData(&size,sizeof(unsigned long),1);
|
---|
| 713 | }
|
---|
| 714 |
|
---|
| 715 | // Write integers into the file.
|
---|
| 716 | void GeoMeshSaver::writeInts(unsigned long id,
|
---|
| 717 | unsigned long count)
|
---|
| 718 | {
|
---|
| 719 | mSerializer->WriteData(&id,sizeof(id),count);
|
---|
| 720 | }
|
---|
| 721 |
|
---|
| 722 | // Write shorts into the file
|
---|
| 723 | void GeoMeshSaver::writeShorts(unsigned short id,
|
---|
| 724 | unsigned long count)
|
---|
| 725 | {
|
---|
| 726 | mSerializer->WriteData(&id,sizeof(id),count);
|
---|
| 727 | }
|
---|
| 728 |
|
---|
| 729 | // Write float into the file.
|
---|
| 730 | void GeoMeshSaver::writeFloats(float id,
|
---|
| 731 | unsigned long count)
|
---|
| 732 | {
|
---|
| 733 | mSerializer->WriteData(&id,sizeof(id),count);
|
---|
| 734 | }
|
---|
| 735 |
|
---|
| 736 | // Write a string into the file.
|
---|
| 737 | void GeoMeshSaver::writeString(const String &string)
|
---|
| 738 | {
|
---|
| 739 | mSerializer->WriteData(string);
|
---|
| 740 | }
|
---|
| 741 |
|
---|
| 742 | // Write booleans into the file.
|
---|
| 743 | void GeoMeshSaver::writeBools( const bool id,
|
---|
| 744 | unsigned long count)
|
---|
| 745 | {
|
---|
| 746 | mSerializer->WriteData(&id,sizeof(bool),count);
|
---|
| 747 | }
|
---|
| 748 |
|
---|
[980] | 749 | void GeoMeshSaver::writeSkeletonLink(const String& skelName)
|
---|
| 750 | {
|
---|
| 751 | writeChunkHeader(M_MESH_SKELETON_LINK, calcSkeletonLinkSize(mGeoMesh));
|
---|
| 752 |
|
---|
| 753 | // Debug.
|
---|
| 754 | cout << " M_MESH_SKELETON_LINK"
|
---|
| 755 | << endl;
|
---|
| 756 |
|
---|
| 757 | writeString(skelName);
|
---|
| 758 | }
|
---|
| 759 |
|
---|
| 760 | void GeoMeshSaver::writeMeshBoneAssignment(const VertexBoneAssignment& assign)
|
---|
[774] | 761 | {
|
---|
[980] | 762 | size_t size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int) + sizeof(unsigned short)+ sizeof(float);
|
---|
| 763 |
|
---|
| 764 | writeChunkHeader(M_MESH_BONE_ASSIGNMENT, size);
|
---|
| 765 |
|
---|
| 766 | // unsigned int vertexIndex;
|
---|
| 767 | writeInts(assign.vertexIndex, 1);
|
---|
| 768 | // unsigned short boneIndex;
|
---|
| 769 | writeShorts(assign.boneIndex, 1);
|
---|
| 770 | // float weight;
|
---|
| 771 | writeFloats(assign.weight, 1);
|
---|
[774] | 772 | }
|
---|
| 773 |
|
---|
[980] | 774 | void GeoMeshSaver::writeSubMeshBoneAssignment(const VertexBoneAssignment& assign)
|
---|
[774] | 775 | {
|
---|
[980] | 776 | size_t size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int) + sizeof(unsigned short)+ sizeof(float);
|
---|
| 777 |
|
---|
| 778 | writeChunkHeader(M_SUBMESH_BONE_ASSIGNMENT, size);
|
---|
| 779 |
|
---|
| 780 | // unsigned int vertexIndex;
|
---|
| 781 | writeInts(assign.vertexIndex, 1);
|
---|
| 782 | // unsigned short boneIndex;
|
---|
| 783 | writeShorts(assign.boneIndex, 1);
|
---|
| 784 | // float weight;
|
---|
| 785 | writeFloats(assign.weight, 1);
|
---|
[774] | 786 | }
|
---|
| 787 |
|
---|
[980] | 788 | // unnormalize geometry model.
|
---|
| 789 | void GeoMeshSaver::unnormalizeModel(Mesh *geoMesh)
|
---|
[774] | 790 | {
|
---|
[980] | 791 | float maxx;
|
---|
| 792 | float maxy;
|
---|
| 793 | float maxz;
|
---|
| 794 | float minx;
|
---|
| 795 | float miny;
|
---|
| 796 | float minz;
|
---|
| 797 | float cx;
|
---|
| 798 | float cy;
|
---|
| 799 | float cz;
|
---|
| 800 | float scale;
|
---|
| 801 |
|
---|
| 802 | VertexBuffer *vertex_buffer;
|
---|
| 803 |
|
---|
| 804 | maxx = geoMesh->mMeshBounds.maxX;
|
---|
| 805 | maxy = geoMesh->mMeshBounds.maxY;
|
---|
| 806 | maxz = geoMesh->mMeshBounds.maxZ;
|
---|
| 807 | minx = geoMesh->mMeshBounds.minX;
|
---|
| 808 | miny = geoMesh->mMeshBounds.minY;
|
---|
| 809 | minz = geoMesh->mMeshBounds.minZ;
|
---|
| 810 | scale = geoMesh->mMeshBounds.scaleFactor;
|
---|
| 811 |
|
---|
| 812 | // Calculate center of the model.
|
---|
| 813 | cx = (maxx + minx) / 2.0;
|
---|
| 814 | cy = (maxy + miny) / 2.0;
|
---|
| 815 | cz = (maxz + minz) / 2.0;
|
---|
| 816 |
|
---|
| 817 | // Translate around center then scale.
|
---|
| 818 | // For each submesh.
|
---|
[1017] | 819 |
|
---|
| 820 | bool sharedScaled=false;
|
---|
| 821 |
|
---|
[980] | 822 | for (int submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
| 823 | {
|
---|
| 824 | // Gets the actual submesh.
|
---|
| 825 | vertex_buffer = geoMesh->mSubMesh[submesh].mVertexBuffer;
|
---|
| 826 |
|
---|
[1017] | 827 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer && sharedScaled)
|
---|
| 828 | continue;
|
---|
| 829 |
|
---|
[980] | 830 | // For each index of the strip.
|
---|
| 831 | for (int i = 0; i < vertex_buffer->mVertexCount; i++)
|
---|
| 832 | {
|
---|
| 833 | vertex_buffer->mPosition[i].x /= scale;
|
---|
| 834 | vertex_buffer->mPosition[i].y /= scale;
|
---|
| 835 | vertex_buffer->mPosition[i].z /= scale;
|
---|
| 836 | vertex_buffer->mPosition[i].x += cx;
|
---|
| 837 | vertex_buffer->mPosition[i].y += cy;
|
---|
| 838 | vertex_buffer->mPosition[i].z += cz;
|
---|
| 839 | }
|
---|
| 840 |
|
---|
| 841 | // If is a shared vertex Buffer.
|
---|
| 842 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer)
|
---|
[1017] | 843 | sharedScaled=true;
|
---|
[980] | 844 | }
|
---|
[774] | 845 | }
|
---|
| 846 |
|
---|