[6] | 1 | //////////////////////////////////////////////////////////////////////////////// |
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| 2 | // mesh.cpp |
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| 3 | // Author : Francesco Giordana |
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| 4 | // Start Date : January 13, 2005 |
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| 5 | // Copyright : (C) 2006 by Francesco Giordana |
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| 6 | // Email : fra.giordana@tiscali.it |
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| 7 | //////////////////////////////////////////////////////////////////////////////// |
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| 8 | |
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| 9 | /********************************************************************************* |
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| 10 | * * |
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| 11 | * This program is free software; you can redistribute it and/or modify * |
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| 12 | * it under the terms of the GNU Lesser General Public License as published by * |
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| 13 | * the Free Software Foundation; either version 2 of the License, or * |
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| 14 | * (at your option) any later version. * |
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| 15 | * * |
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| 16 | **********************************************************************************/ |
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| 17 | |
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| 18 | #include "mesh.h" |
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| 19 | #include <maya/MFnMatrixData.h> |
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| 20 | |
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| 21 | namespace OgreMayaExporter |
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| 22 | { |
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| 23 | /***** Class Mesh *****/ |
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| 24 | // constructor |
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| 25 | Mesh::Mesh(const MString& name) |
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| 26 | { |
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| 27 | m_name = name; |
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| 28 | m_numTriangles = 0; |
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| 29 | m_pSkeleton = NULL; |
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| 30 | m_sharedGeom.vertices.clear(); |
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| 31 | m_sharedGeom.dagMap.clear(); |
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| 32 | m_vertexClips.clear(); |
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| 33 | m_BSClips.clear(); |
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| 34 | } |
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| 35 | |
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| 36 | // destructor |
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| 37 | Mesh::~Mesh() |
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| 38 | { |
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| 39 | clear(); |
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| 40 | } |
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| 41 | |
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| 42 | // clear data |
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| 43 | void Mesh::clear() |
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| 44 | { |
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| 45 | int i; |
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| 46 | m_name = ""; |
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| 47 | m_numTriangles = 0; |
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| 48 | for (i=0; i<m_submeshes.size(); i++) |
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| 49 | delete m_submeshes[i]; |
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| 50 | for (i=0; i<m_sharedGeom.dagMap.size(); i++) |
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| 51 | { |
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| 52 | if (m_sharedGeom.dagMap[i].pBlendShape) |
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| 53 | delete m_sharedGeom.dagMap[i].pBlendShape; |
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| 54 | } |
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| 55 | m_sharedGeom.vertices.clear(); |
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| 56 | m_sharedGeom.dagMap.clear(); |
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| 57 | m_vertexClips.clear(); |
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| 58 | m_BSClips.clear(); |
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| 59 | m_uvsets.clear(); |
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| 60 | m_submeshes.clear(); |
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| 61 | if (m_pSkeleton) |
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| 62 | delete m_pSkeleton; |
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| 63 | m_pSkeleton = NULL; |
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| 64 | } |
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| 65 | |
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| 66 | // get pointer to linked skeleton |
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| 67 | Skeleton* Mesh::getSkeleton() |
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| 68 | { |
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| 69 | return m_pSkeleton; |
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| 70 | } |
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| 71 | |
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| 72 | /******************************************************************************* |
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| 73 | * Load mesh data from a Maya node * |
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| 74 | *******************************************************************************/ |
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| 75 | MStatus Mesh::load(const MDagPath& meshDag,ParamList ¶ms) |
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| 76 | { |
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| 77 | MStatus stat; |
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| 78 | // Check that given DagPath corresponds to a mesh node |
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| 79 | if (!meshDag.hasFn(MFn::kMesh)) |
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| 80 | return MS::kFailure; |
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| 81 | |
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| 82 | // Set mesh name |
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| 83 | m_name = "mayaExport"; |
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| 84 | |
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| 85 | // Initialise temporary variables |
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| 86 | newvertices.clear(); |
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| 87 | newweights.clear(); |
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| 88 | newjointIds.clear(); |
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| 89 | newuvsets.clear(); |
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| 90 | newpoints.clear(); |
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| 91 | newnormals.clear(); |
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| 92 | params.currentRootJoints.clear(); |
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| 93 | opposite = false; |
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| 94 | shaders.clear(); |
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| 95 | shaderPolygonMapping.clear(); |
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| 96 | polygonSets.clear(); |
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| 97 | pSkinCluster = NULL; |
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| 98 | pBlendShape = NULL; |
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| 99 | |
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| 100 | // Get mesh uvsets |
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| 101 | stat = getUVSets(meshDag); |
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| 102 | if (stat != MS::kSuccess) |
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| 103 | { |
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| 104 | std::cout << "Error retrieving uvsets for current mesh\n"; |
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| 105 | std::cout.flush(); |
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| 106 | } |
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| 107 | // Get linked skin cluster |
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| 108 | stat = getSkinCluster(meshDag,params); |
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| 109 | if (stat != MS::kSuccess) |
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| 110 | { |
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| 111 | std::cout << "Error retrieving skin cluster linked to current mesh\n"; |
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| 112 | std::cout.flush(); |
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| 113 | } |
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| 114 | // Get linked blend shape deformer |
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| 115 | stat = getBlendShapeDeformer(meshDag,params); |
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| 116 | if (stat != MS::kSuccess) |
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| 117 | { |
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| 118 | std::cout << "Error retrieving blend shape deformer linked to current mesh\n"; |
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| 119 | std::cout.flush(); |
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| 120 | } |
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| 121 | // Get connected shaders |
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| 122 | stat = getShaders(meshDag); |
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| 123 | if (stat != MS::kSuccess) |
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| 124 | { |
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| 125 | std::cout << "Error getting shaders connected to current mesh\n"; |
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| 126 | std::cout.flush(); |
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| 127 | } |
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| 128 | // Get vertex data |
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| 129 | stat = getVertices(meshDag,params); |
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| 130 | if (stat != MS::kSuccess) |
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| 131 | { |
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| 132 | std::cout << "Error retrieving vertex data for current mesh\n"; |
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| 133 | std::cout.flush(); |
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| 134 | } |
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| 135 | // Get vertex bone weights |
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| 136 | if (pSkinCluster) |
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| 137 | { |
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| 138 | getVertexBoneWeights(meshDag,params); |
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| 139 | if (stat != MS::kSuccess) |
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| 140 | { |
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| 141 | std::cout << "Error retrieving veretex bone assignements for current mesh\n"; |
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| 142 | std::cout.flush(); |
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| 143 | } |
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| 144 | } |
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| 145 | // Get faces data |
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| 146 | stat = getFaces(meshDag,params); |
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| 147 | if (stat != MS::kSuccess) |
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| 148 | { |
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| 149 | std::cout << "Error retrieving faces data for current mesh\n"; |
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| 150 | std::cout.flush(); |
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| 151 | } |
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| 152 | // Build shared geometry |
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| 153 | if (params.useSharedGeom) |
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| 154 | { |
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| 155 | stat = buildSharedGeometry(meshDag,params); |
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| 156 | if (stat != MS::kSuccess) |
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| 157 | { |
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| 158 | std::cout << "Error building shared geometry for current mesh\n"; |
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| 159 | std::cout.flush(); |
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| 160 | } |
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| 161 | } |
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| 162 | // Create submeshes (a different submesh for every different shader linked to the mesh) |
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| 163 | stat = createSubmeshes(meshDag,params); |
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| 164 | if (stat != MS::kSuccess) |
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| 165 | { |
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| 166 | std::cout << "Error creating submeshes for current mesh\n"; |
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| 167 | std::cout.flush(); |
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| 168 | } |
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| 169 | // Free up memory |
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| 170 | newvertices.clear(); |
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| 171 | newweights.clear(); |
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| 172 | newjointIds.clear(); |
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| 173 | newpoints.clear(); |
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| 174 | newnormals.clear(); |
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| 175 | newuvsets.clear(); |
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| 176 | shaders.clear(); |
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| 177 | shaderPolygonMapping.clear(); |
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| 178 | polygonSets.clear(); |
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| 179 | if (pSkinCluster) |
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| 180 | delete pSkinCluster; |
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| 181 | pBlendShape = NULL; |
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| 182 | |
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| 183 | return MS::kSuccess; |
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| 184 | } |
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| 185 | |
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| 186 | |
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| 187 | /******************************************************************************* |
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| 188 | * Load mesh animations from Maya * |
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| 189 | *******************************************************************************/ |
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| 190 | // Load vertex animations |
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| 191 | MStatus Mesh::loadAnims(ParamList& params) |
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| 192 | { |
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| 193 | MStatus stat; |
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| 194 | int i; |
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| 195 | // save current time for later restore |
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| 196 | MTime curTime = MAnimControl::currentTime(); |
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| 197 | std::cout << "Loading vertex animations...\n"; |
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| 198 | std::cout.flush(); |
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| 199 | // clear animations data |
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| 200 | m_vertexClips.clear(); |
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| 201 | // load the requested clips |
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| 202 | for (i=0; i<params.vertClipList.size(); i++) |
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| 203 | { |
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| 204 | std::cout << "Loading clip " << params.vertClipList[i].name.asChar() << "\n"; |
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| 205 | std::cout.flush(); |
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| 206 | stat = loadClip(params.vertClipList[i].name,params.vertClipList[i].start, |
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| 207 | params.vertClipList[i].stop,params.vertClipList[i].rate,params); |
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| 208 | if (stat == MS::kSuccess) |
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| 209 | { |
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| 210 | std::cout << "Clip successfully loaded\n"; |
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| 211 | std::cout.flush(); |
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| 212 | } |
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| 213 | else |
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| 214 | { |
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| 215 | std::cout << "Failed loading clip\n"; |
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| 216 | std::cout.flush(); |
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| 217 | } |
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| 218 | } |
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| 219 | //restore current time |
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| 220 | MAnimControl::setCurrentTime(curTime); |
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| 221 | return MS::kSuccess; |
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| 222 | } |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | // Load blend shape deformers |
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| 227 | MStatus Mesh::loadBlendShapes(ParamList ¶ms) |
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| 228 | { |
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| 229 | MStatus stat; |
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| 230 | int i; |
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| 231 | std::cout << "Loading blend shape poses...\n"; |
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| 232 | std::cout.flush(); |
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| 233 | // Set envelopes of all blend shape deformers to 0 |
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| 234 | if (params.useSharedGeom) |
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| 235 | { |
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| 236 | for (i=0; i<m_sharedGeom.dagMap.size(); i++) |
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| 237 | { |
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| 238 | dagInfo di = m_sharedGeom.dagMap[i]; |
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| 239 | if (di.pBlendShape) |
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| 240 | di.pBlendShape->setEnvelope(0); |
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| 241 | } |
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| 242 | } |
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| 243 | else |
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| 244 | { |
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| 245 | for (i=0; i<m_submeshes.size(); i++) |
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| 246 | { |
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| 247 | Submesh* pSubmesh = m_submeshes[i]; |
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| 248 | if (pSubmesh->m_pBlendShape) |
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| 249 | pSubmesh->m_pBlendShape->setEnvelope(0); |
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| 250 | } |
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| 251 | } |
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| 252 | // Get the blend shape poses |
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| 253 | if (params.useSharedGeom) |
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| 254 | { |
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| 255 | for (i=0; i<m_sharedGeom.dagMap.size(); i++) |
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| 256 | { |
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| 257 | dagInfo di = m_sharedGeom.dagMap[i]; |
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| 258 | if (di.pBlendShape) |
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| 259 | di.pBlendShape->loadPoses(di.dagPath,params,m_sharedGeom.vertices,di.numVertices,di.offset); |
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| 260 | } |
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| 261 | } |
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| 262 | else |
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| 263 | { |
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| 264 | for (i=0; i<m_submeshes.size(); i++) |
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| 265 | { |
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| 266 | Submesh* pSubmesh = m_submeshes[i]; |
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| 267 | if (pSubmesh->m_pBlendShape) |
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| 268 | pSubmesh->m_pBlendShape->loadPoses(pSubmesh->m_dagPath,params,pSubmesh->m_vertices, |
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| 269 | pSubmesh->m_vertices.size(),0,i); |
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| 270 | } |
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| 271 | } |
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| 272 | // Restore blend shape deformers original envelopes |
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| 273 | if (params.useSharedGeom) |
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| 274 | { |
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| 275 | for (i=0; i<m_sharedGeom.dagMap.size(); i++) |
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| 276 | { |
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| 277 | dagInfo di = m_sharedGeom.dagMap[i]; |
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| 278 | if (di.pBlendShape) |
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| 279 | di.pBlendShape->restoreEnvelope(); |
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| 280 | } |
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| 281 | } |
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| 282 | else |
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| 283 | { |
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| 284 | for (i=0; i<m_submeshes.size(); i++) |
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| 285 | { |
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| 286 | Submesh* pSubmesh = m_submeshes[i]; |
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| 287 | if (pSubmesh->m_pBlendShape) |
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| 288 | pSubmesh->m_pBlendShape->restoreEnvelope(); |
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| 289 | } |
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| 290 | } |
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| 291 | // Read blend shape animations |
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| 292 | if (params.exportBSAnims) |
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| 293 | { |
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| 294 | stat = loadBlendShapeAnimations(params); |
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| 295 | } |
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| 296 | return MS::kSuccess; |
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| 297 | } |
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| 298 | |
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| 299 | // Load blend shape animations |
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| 300 | MStatus Mesh::loadBlendShapeAnimations(ParamList& params) |
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| 301 | { |
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| 302 | int i,j,k; |
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| 303 | std::cout << "Loading blend shape animations...\n"; |
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| 304 | std::cout.flush(); |
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| 305 | // Read the list of blend shape clips to export |
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| 306 | for (i=0; i<params.BSClipList.size(); i++) |
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| 307 | { |
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| 308 | int startPoseId = 0; |
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| 309 | clipInfo ci = params.BSClipList[i]; |
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| 310 | // Create a new animation for every clip |
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| 311 | Animation a; |
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| 312 | a.m_name = ci.name; |
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| 313 | a.m_length = ci.stop - ci.start; |
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| 314 | a.m_tracks.clear(); |
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| 315 | std::cout << "clip " << ci.name.asChar() << "\n"; |
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| 316 | // Read animation tracks from the blend shape deformer |
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| 317 | if (params.useSharedGeom) |
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| 318 | { |
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| 319 | // Create a track for each blend shape |
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| 320 | std::vector<Track> tracks; |
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| 321 | for (j=0; j<m_sharedGeom.dagMap.size(); j++) |
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| 322 | { |
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| 323 | dagInfo di = m_sharedGeom.dagMap[j]; |
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| 324 | if (di.pBlendShape) |
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| 325 | { |
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| 326 | Track t = di.pBlendShape->loadTrack(ci.start,ci.stop,ci.rate,params,startPoseId); |
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| 327 | tracks.push_back(t); |
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| 328 | startPoseId += di.pBlendShape->getPoses().size(); |
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| 329 | } |
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| 330 | } |
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| 331 | // Merge the tracks into a single track (shared geometry must have a single animation track) |
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| 332 | if (tracks.size() > 0) |
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| 333 | { |
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| 334 | Track newTrack; |
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| 335 | // Merge keyframes at the same time position from all tracks |
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| 336 | for (j=0; j<tracks[0].m_vertexKeyframes.size(); j++) |
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| 337 | { |
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| 338 | // Create a new keyframe |
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| 339 | vertexKeyframe newKeyframe; |
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| 340 | newKeyframe.time = tracks[0].m_vertexKeyframes[j].time; |
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| 341 | // Get keyframe at current position from all tracks |
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| 342 | for (k=0; k<tracks.size(); k++) |
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| 343 | { |
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| 344 | vertexKeyframe* pSrcKeyframe = &tracks[k].m_vertexKeyframes[j]; |
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| 345 | int pri; |
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| 346 | // Add pose references from this keyframe to the new keyframe for the joined track |
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| 347 | for (pri=0; pri<pSrcKeyframe->poserefs.size(); pri++) |
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| 348 | { |
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| 349 | // Create a new pose reference |
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| 350 | vertexPoseRef poseref; |
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| 351 | // Copy pose reference settings from source keyframe |
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| 352 | poseref.poseIndex = pSrcKeyframe->poserefs[pri].poseIndex; |
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| 353 | poseref.poseWeight = pSrcKeyframe->poserefs[pri].poseWeight; |
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| 354 | // Add the new pose reference to the new keyframe |
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| 355 | newKeyframe.poserefs.push_back(poseref); |
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| 356 | } |
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| 357 | } |
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| 358 | // Add the keyframe to the new joined track |
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| 359 | newTrack.m_vertexKeyframes.push_back(newKeyframe); |
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| 360 | } |
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| 361 | // Add the joined track to current animation clip |
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| 362 | a.addTrack(newTrack); |
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| 363 | } |
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| 364 | } |
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| 365 | else |
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| 366 | { |
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| 367 | // Create a track for each submesh |
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| 368 | std::vector<Track> tracks; |
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| 369 | for (j=0; j<m_submeshes.size(); j++) |
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| 370 | { |
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| 371 | Submesh* pSubmesh = m_submeshes[j]; |
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| 372 | if (pSubmesh->m_pBlendShape) |
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| 373 | { |
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| 374 | Track t = pSubmesh->m_pBlendShape->loadTrack(ci.start,ci.stop,ci.rate,params,startPoseId); |
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| 375 | a.addTrack(t); |
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| 376 | startPoseId += pSubmesh->m_pBlendShape->getPoses().size(); |
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| 377 | } |
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| 378 | } |
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| 379 | } |
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| 380 | std::cout << "length: " << a.m_length << "\n"; |
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| 381 | std::cout << "num keyframes: " << a.m_tracks[0].m_vertexKeyframes.size() << "\n"; |
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| 382 | std::cout.flush(); |
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| 383 | m_BSClips.push_back(a); |
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| 384 | } |
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| 385 | return MS::kSuccess; |
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| 386 | } |
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| 387 | /******************** Methods to parse geometry data from Maya ************************/ |
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| 388 | // Get uvsets info from the maya mesh |
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| 389 | MStatus Mesh::getUVSets(const MDagPath& meshDag) |
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| 390 | { |
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| 391 | MFnMesh mesh(meshDag); |
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| 392 | int i; |
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| 393 | MStatus stat; |
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| 394 | // Get uv texture coordinate sets' names |
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| 395 | if (mesh.numUVSets() > 0) |
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| 396 | { |
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| 397 | stat = mesh.getUVSetNames(newuvsets); |
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| 398 | if (MS::kSuccess != stat) |
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| 399 | { |
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| 400 | std::cout << "Error retrieving UV sets names\n"; |
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| 401 | std::cout.flush(); |
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| 402 | return MS::kFailure; |
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| 403 | } |
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| 404 | } |
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| 405 | // Save uvsets info |
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| 406 | for (i=m_uvsets.size(); i<newuvsets.length(); i++) |
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| 407 | { |
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| 408 | uvset uv; |
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| 409 | uv.size = 2; |
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| 410 | m_uvsets.push_back(uv); |
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| 411 | } |
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| 412 | return MS::kSuccess; |
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| 413 | } |
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| 414 | |
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| 415 | |
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| 416 | // Get skin cluster linked to the maya mesh |
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| 417 | MStatus Mesh::getSkinCluster(const MDagPath &meshDag, ParamList ¶ms) |
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| 418 | { |
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| 419 | MStatus stat; |
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| 420 | MFnMesh mesh(meshDag); |
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| 421 | pSkinCluster = NULL; |
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| 422 | if (params.exportVBA || params.exportSkeleton) |
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| 423 | { |
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| 424 | // get connected skin clusters (if present) |
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| 425 | MItDependencyNodes kDepNodeIt( MFn::kSkinClusterFilter ); |
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| 426 | for( ;!kDepNodeIt.isDone() && !pSkinCluster; kDepNodeIt.next()) |
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| 427 | { |
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| 428 | MObject kObject = kDepNodeIt.item(); |
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| 429 | pSkinCluster = new MFnSkinCluster(kObject); |
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| 430 | unsigned int uiNumGeometries = pSkinCluster->numOutputConnections(); |
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| 431 | unsigned int uiGeometry; |
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| 432 | for(uiGeometry = 0; uiGeometry < uiNumGeometries; ++uiGeometry ) |
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| 433 | { |
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| 434 | unsigned int uiIndex = pSkinCluster->indexForOutputConnection(uiGeometry); |
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| 435 | MObject kOutputObject = pSkinCluster->outputShapeAtIndex(uiIndex); |
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| 436 | if(kOutputObject == mesh.object()) |
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| 437 | { |
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| 438 | std::cout << "Found skin cluster " << pSkinCluster->name().asChar() << " for mesh " |
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| 439 | << mesh.name().asChar() << "\n"; |
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| 440 | std::cout.flush(); |
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| 441 | } |
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| 442 | else |
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| 443 | { |
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| 444 | delete pSkinCluster; |
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| 445 | pSkinCluster = NULL; |
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| 446 | } |
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| 447 | } |
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| 448 | } |
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| 449 | if (pSkinCluster) |
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| 450 | { |
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| 451 | // load the skeleton |
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| 452 | std::cout << "Loading skeleton data...\n"; |
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| 453 | std::cout.flush(); |
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| 454 | if (!m_pSkeleton) |
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| 455 | m_pSkeleton = new Skeleton(); |
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| 456 | stat = m_pSkeleton->load(pSkinCluster,params); |
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| 457 | if (MS::kSuccess != stat) |
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| 458 | { |
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| 459 | std::cout << "Error loading skeleton data\n"; |
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| 460 | std::cout.flush(); |
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| 461 | } |
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| 462 | else |
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| 463 | { |
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| 464 | std::cout << "OK\n"; |
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| 465 | std::cout.flush(); |
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| 466 | } |
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| 467 | } |
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| 468 | } |
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| 469 | return MS::kSuccess; |
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| 470 | } |
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| 471 | |
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| 472 | |
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| 473 | // Get blend shape deformer linked to the maya mesh |
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| 474 | MStatus Mesh::getBlendShapeDeformer(const MDagPath &meshDag, OgreMayaExporter::ParamList ¶ms) |
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| 475 | { |
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| 476 | MStatus stat; |
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| 477 | MFnMesh mesh(meshDag); |
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| 478 | if (params.exportBlendShapes) |
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| 479 | { |
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| 480 | // get connected blend shape deformer (if present) |
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| 481 | MItDependencyNodes kDepNodeIt( MFn::kBlendShape ); |
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| 482 | for( ;!kDepNodeIt.isDone() && !pBlendShape; kDepNodeIt.next()) |
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| 483 | { |
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| 484 | MObject kObject = kDepNodeIt.item(); |
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| 485 | MItDependencyGraph itGraph(kObject,MFn::kMesh,MItDependencyGraph::kDownstream,MItDependencyGraph::kDepthFirst); |
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| 486 | for (;!itGraph.isDone() && !pBlendShape; itGraph.next()) |
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| 487 | { |
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| 488 | MFnMesh connectedMesh(itGraph.thisNode()); |
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| 489 | if (connectedMesh.fullPathName() == mesh.fullPathName()) |
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| 490 | { |
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| 491 | pBlendShape = new BlendShape(); |
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| 492 | pBlendShape->load(kObject); |
---|
| 493 | std::cout << "Found blend shape deformer " << pBlendShape->getName().asChar() << " for mesh " |
---|
| 494 | << mesh.name().asChar() << "\n"; |
---|
| 495 | } |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | } |
---|
| 499 | return MS::kSuccess; |
---|
| 500 | } |
---|
| 501 | // Get connected shaders |
---|
| 502 | MStatus Mesh::getShaders(const MDagPath& meshDag) |
---|
| 503 | { |
---|
| 504 | MStatus stat; |
---|
| 505 | MFnMesh mesh(meshDag); |
---|
| 506 | stat = mesh.getConnectedShaders(0,shaders,shaderPolygonMapping); |
---|
| 507 | std::cout.flush(); |
---|
| 508 | if (MS::kSuccess != stat) |
---|
| 509 | { |
---|
| 510 | std::cout << "Error getting connected shaders\n"; |
---|
| 511 | std::cout.flush(); |
---|
| 512 | return MS::kFailure; |
---|
| 513 | } |
---|
| 514 | std::cout << "Found " << shaders.length() << " connected shaders\n"; |
---|
| 515 | std::cout.flush(); |
---|
| 516 | if (shaders.length() <= 0) |
---|
| 517 | { |
---|
| 518 | std::cout << "No connected shaders, skipping mesh\n"; |
---|
| 519 | std::cout.flush(); |
---|
| 520 | return MS::kFailure; |
---|
| 521 | } |
---|
| 522 | // create a series of arrays of faces for each different submesh |
---|
| 523 | polygonSets.clear(); |
---|
| 524 | polygonSets.resize(shaders.length()); |
---|
| 525 | return MS::kSuccess; |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | |
---|
| 529 | // Get vertex data |
---|
| 530 | MStatus Mesh::getVertices(const MDagPath &meshDag, OgreMayaExporter::ParamList ¶ms) |
---|
| 531 | { |
---|
| 532 | int i; |
---|
| 533 | MFnMesh mesh(meshDag); |
---|
| 534 | // prepare vertex table |
---|
| 535 | newvertices.resize(mesh.numVertices()); |
---|
| 536 | newweights.resize(mesh.numVertices()); |
---|
| 537 | newjointIds.resize(mesh.numVertices()); |
---|
| 538 | for (i=0; i<newvertices.size(); i++) |
---|
| 539 | { |
---|
| 540 | newvertices[i].pointIdx = -1; |
---|
| 541 | newvertices[i].normalIdx = -1; |
---|
| 542 | newvertices[i].next = -2; |
---|
| 543 | } |
---|
| 544 | //get vertex positions from mesh |
---|
| 545 | if (params.exportWorldCoords || (pSkinCluster && params.exportSkeleton)) |
---|
| 546 | mesh.getPoints(newpoints,MSpace::kWorld); |
---|
| 547 | else |
---|
| 548 | mesh.getPoints(newpoints,MSpace::kTransform); |
---|
| 549 | //get list of normals from mesh data |
---|
| 550 | if (params.exportWorldCoords) |
---|
| 551 | mesh.getNormals(newnormals,MSpace::kWorld); |
---|
| 552 | else |
---|
| 553 | mesh.getNormals(newnormals,MSpace::kTransform); |
---|
| 554 | //check the "opposite" attribute to see if we have to flip normals |
---|
| 555 | mesh.findPlug("opposite",true).getValue(opposite); |
---|
| 556 | return MS::kSuccess; |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | |
---|
| 560 | // Get vertex bone assignements |
---|
| 561 | MStatus Mesh::getVertexBoneWeights(const MDagPath& meshDag, OgreMayaExporter::ParamList ¶ms) |
---|
| 562 | { |
---|
| 563 | int i,j,k; |
---|
| 564 | unsigned int numWeights; |
---|
| 565 | MStatus stat; |
---|
| 566 | std::cout << "Get vbas\n"; |
---|
| 567 | std::cout.flush(); |
---|
| 568 | MItGeometry iterGeom(meshDag); |
---|
| 569 | for (i=0; !iterGeom.isDone(); iterGeom.next(), i++) |
---|
| 570 | { |
---|
| 571 | MObject component = iterGeom.component(); |
---|
| 572 | MFloatArray vertexWeights; |
---|
| 573 | stat=pSkinCluster->getWeights(meshDag,component,vertexWeights,numWeights); |
---|
| 574 | /* //normalize vertex weights |
---|
| 575 | int widx; |
---|
| 576 | // first, truncate the weights to given precision |
---|
| 577 | long weightSum = 0; |
---|
| 578 | for (widx=0; widx < vertexWeights.length(); widx++) |
---|
| 579 | { |
---|
| 580 | long w = (long) (((float)vertexWeights[widx]) / ((float)PRECISION)); |
---|
| 581 | vertexWeights[widx] = w; |
---|
| 582 | weightSum += w; |
---|
| 583 | } |
---|
| 584 | // then divide by the sum of the weights to add up to 1 |
---|
| 585 | // (if there is at least one weight > 0) |
---|
| 586 | if (weightSum > 0) |
---|
| 587 | { |
---|
| 588 | float newSum = 0; |
---|
| 589 | for (widx=0; widx < numWeights; widx++) |
---|
| 590 | { |
---|
| 591 | long w = (long) ((float)vertexWeights[widx] / ((float)PRECISION)); |
---|
| 592 | w = (long) (((float)w) / ((float)weightSum)); |
---|
| 593 | vertexWeights[widx] = (float) (((long)w) * ((float)PRECISION)); |
---|
| 594 | newSum += vertexWeights[widx]; |
---|
| 595 | } |
---|
| 596 | if (newSum < 1.0f) |
---|
| 597 | vertexWeights[numWeights-1] += PRECISION; |
---|
| 598 | } |
---|
| 599 | // else set all weights to 0 |
---|
| 600 | else |
---|
| 601 | { |
---|
| 602 | for (widx=0; widx < numWeights; widx++) |
---|
| 603 | vertexWeights[widx] = 0; |
---|
| 604 | }*/ |
---|
| 605 | // save the normalized weights |
---|
| 606 | newweights[i]=vertexWeights; |
---|
| 607 | if (MS::kSuccess != stat) |
---|
| 608 | { |
---|
| 609 | std::cout << "Error retrieving vertex weights\n"; |
---|
| 610 | std::cout.flush(); |
---|
| 611 | } |
---|
| 612 | // get ids for the joints |
---|
| 613 | if (m_pSkeleton) |
---|
| 614 | { |
---|
| 615 | MDagPathArray influenceObjs; |
---|
| 616 | pSkinCluster->influenceObjects(influenceObjs,&stat); |
---|
| 617 | if (MS::kSuccess != stat) |
---|
| 618 | { |
---|
| 619 | std::cout << "Error retrieving influence objects for given skin cluster\n"; |
---|
| 620 | std::cout.flush(); |
---|
| 621 | } |
---|
| 622 | newjointIds[i].setLength(newweights[i].length()); |
---|
| 623 | for (j=0; j<influenceObjs.length(); j++) |
---|
| 624 | { |
---|
| 625 | bool foundJoint = false; |
---|
| 626 | MString partialPathName = influenceObjs[j].partialPathName(); |
---|
| 627 | for (k=0; k<m_pSkeleton->getJoints().size() && !foundJoint; k++) |
---|
| 628 | { |
---|
| 629 | if (partialPathName == m_pSkeleton->getJoints()[k].name) |
---|
| 630 | { |
---|
| 631 | foundJoint=true; |
---|
| 632 | newjointIds[i][j] = m_pSkeleton->getJoints()[k].id; |
---|
| 633 | } |
---|
| 634 | } |
---|
| 635 | } |
---|
| 636 | } |
---|
| 637 | } |
---|
| 638 | return MS::kSuccess; |
---|
| 639 | } |
---|
| 640 | |
---|
| 641 | |
---|
| 642 | // Get faces data |
---|
| 643 | MStatus Mesh::getFaces(const MDagPath &meshDag, ParamList ¶ms) |
---|
| 644 | { |
---|
| 645 | int i,j,k; |
---|
| 646 | MStatus stat; |
---|
| 647 | MFnMesh mesh(meshDag); |
---|
| 648 | // create an iterator to go through mesh polygons |
---|
| 649 | if (mesh.numPolygons() > 0) |
---|
| 650 | { |
---|
| 651 | std::cout << "Iterate over mesh polygons\n"; |
---|
| 652 | std::cout.flush(); |
---|
| 653 | MItMeshPolygon faceIter(mesh.object(),&stat); |
---|
| 654 | if (MS::kSuccess != stat) |
---|
| 655 | { |
---|
| 656 | std::cout << "Error accessing mesh polygons\n"; |
---|
| 657 | std::cout.flush(); |
---|
| 658 | return MS::kFailure; |
---|
| 659 | } |
---|
| 660 | std::cout << "num polygons = " << mesh.numPolygons() << "\n"; |
---|
| 661 | std::cout.flush(); |
---|
| 662 | // iterate over mesh polygons |
---|
| 663 | for (; !faceIter.isDone(); faceIter.next()) |
---|
| 664 | { |
---|
| 665 | int numTris=0; |
---|
| 666 | int iTris; |
---|
| 667 | bool different; |
---|
| 668 | int vtxIdx, nrmIdx; |
---|
| 669 | faceIter.numTriangles(numTris); |
---|
| 670 | // for every triangle composing current polygon extract triangle info |
---|
| 671 | for (iTris=0; iTris<numTris; iTris++) |
---|
| 672 | { |
---|
| 673 | MPointArray triPoints; |
---|
| 674 | MIntArray tempTriVertexIdx,triVertexIdx; |
---|
| 675 | int idx; |
---|
| 676 | // create a new face to store triangle info |
---|
| 677 | face newFace; |
---|
| 678 | // extract triangle vertex indices |
---|
| 679 | faceIter.getTriangle(iTris,triPoints,tempTriVertexIdx); |
---|
| 680 | // convert indices to face-relative indices |
---|
| 681 | MIntArray polyIndices; |
---|
| 682 | faceIter.getVertices(polyIndices); |
---|
| 683 | unsigned int iPoly, iObj; |
---|
| 684 | for (iObj=0; iObj < tempTriVertexIdx.length(); ++iObj) |
---|
| 685 | { |
---|
| 686 | // iPoly is face-relative vertex index |
---|
| 687 | for (iPoly=0; iPoly < polyIndices.length(); ++iPoly) |
---|
| 688 | { |
---|
| 689 | if (tempTriVertexIdx[iObj] == polyIndices[iPoly]) |
---|
| 690 | { |
---|
| 691 | triVertexIdx.append(iPoly); |
---|
| 692 | break; |
---|
| 693 | } |
---|
| 694 | } |
---|
| 695 | } |
---|
| 696 | // iterate over triangle's vertices |
---|
| 697 | for (i=0; i<3; i++) |
---|
| 698 | { |
---|
| 699 | different = true; |
---|
| 700 | vtxIdx = faceIter.vertexIndex(triVertexIdx[i],&stat); |
---|
| 701 | if (stat != MS::kSuccess) |
---|
| 702 | { |
---|
| 703 | std::cout << "Could not access vertex position\n"; |
---|
| 704 | std::cout.flush(); |
---|
| 705 | } |
---|
| 706 | nrmIdx = faceIter.normalIndex(triVertexIdx[i],&stat); |
---|
| 707 | if (stat != MS::kSuccess) |
---|
| 708 | { |
---|
| 709 | std::cout << "Could not access vertex normal\n"; |
---|
| 710 | std::cout.flush(); |
---|
| 711 | } |
---|
| 712 | |
---|
| 713 | // get vertex color |
---|
| 714 | MColor color; |
---|
| 715 | if (faceIter.hasColor(triVertexIdx[i])) |
---|
| 716 | { |
---|
| 717 | stat = faceIter.getColor(color,triVertexIdx[i]); |
---|
| 718 | if (MS::kSuccess != stat) |
---|
| 719 | { |
---|
| 720 | color = MColor(1,1,1,1); |
---|
| 721 | } |
---|
| 722 | if (color.r > 1) |
---|
| 723 | color.r = 1; |
---|
| 724 | else if (color.r < PRECISION) |
---|
| 725 | color.r = 0; |
---|
| 726 | if (color.g > 1) |
---|
| 727 | color.g = 1; |
---|
| 728 | else if (color.g < PRECISION) |
---|
| 729 | color.g = 0; |
---|
| 730 | if (color.b > 1) |
---|
| 731 | color.b = 1; |
---|
| 732 | else if (color.b < PRECISION) |
---|
| 733 | color.b = 0; |
---|
| 734 | if (color.a > 1) |
---|
| 735 | color.a = 1; |
---|
| 736 | else if (color.a < PRECISION) |
---|
| 737 | color.a = 0; |
---|
| 738 | } |
---|
| 739 | else |
---|
| 740 | { |
---|
| 741 | color = MColor(1,1,1,1); |
---|
| 742 | } |
---|
| 743 | if (newvertices[vtxIdx].next == -2) // first time we encounter a vertex in this position |
---|
| 744 | { |
---|
| 745 | // save vertex position |
---|
| 746 | newpoints[vtxIdx].cartesianize(); |
---|
| 747 | newvertices[vtxIdx].pointIdx = vtxIdx; |
---|
| 748 | // save vertex normal |
---|
| 749 | newvertices[vtxIdx].normalIdx = nrmIdx; |
---|
| 750 | // save vertex colour |
---|
| 751 | newvertices[vtxIdx].r = color.r; |
---|
| 752 | newvertices[vtxIdx].g = color.g; |
---|
| 753 | newvertices[vtxIdx].b = color.b; |
---|
| 754 | newvertices[vtxIdx].a = color.a; |
---|
| 755 | // save vertex texture coordinates |
---|
| 756 | newvertices[vtxIdx].u.resize(newuvsets.length()); |
---|
| 757 | newvertices[vtxIdx].v.resize(newuvsets.length()); |
---|
| 758 | // save vbas |
---|
| 759 | newvertices[vtxIdx].vba.resize(newweights[vtxIdx].length()); |
---|
| 760 | for (j=0; j<newweights[vtxIdx].length(); j++) |
---|
| 761 | { |
---|
| 762 | newvertices[vtxIdx].vba[j] = (newweights[vtxIdx])[j]; |
---|
| 763 | } |
---|
| 764 | // save joint ids |
---|
| 765 | newvertices[vtxIdx].jointIds.resize(newjointIds[vtxIdx].length()); |
---|
| 766 | for (j=0; j<newjointIds[vtxIdx].length(); j++) |
---|
| 767 | { |
---|
| 768 | newvertices[vtxIdx].jointIds[j] = (newjointIds[vtxIdx])[j]; |
---|
| 769 | } |
---|
| 770 | // save uv sets data |
---|
| 771 | for (j=0; j<newuvsets.length(); j++) |
---|
| 772 | { |
---|
| 773 | float2 uv; |
---|
| 774 | stat = faceIter.getUV(triVertexIdx[i],uv,&newuvsets[j]); |
---|
| 775 | if (MS::kSuccess != stat) |
---|
| 776 | { |
---|
| 777 | uv[0] = 0; |
---|
| 778 | uv[1] = 0; |
---|
| 779 | } |
---|
| 780 | newvertices[vtxIdx].u[j] = uv[0]; |
---|
| 781 | newvertices[vtxIdx].v[j] = (-1)*(uv[1]-1); |
---|
| 782 | } |
---|
| 783 | // save vertex index in face info |
---|
| 784 | newFace.v[i] = m_sharedGeom.vertices.size() + vtxIdx; |
---|
| 785 | // update value of index to next vertex info (-1 means nothing next) |
---|
| 786 | newvertices[vtxIdx].next = -1; |
---|
| 787 | } |
---|
| 788 | else // already found at least 1 vertex in this position |
---|
| 789 | { |
---|
| 790 | // check if a vertex with same attributes has been saved already |
---|
| 791 | for (k=vtxIdx; k!=-1 && different; k=newvertices[k].next) |
---|
| 792 | { |
---|
| 793 | different = false; |
---|
| 794 | |
---|
| 795 | if (params.exportVertNorm) |
---|
| 796 | { |
---|
| 797 | MFloatVector n1 = newnormals[newvertices[k].normalIdx]; |
---|
| 798 | MFloatVector n2 = newnormals[nrmIdx]; |
---|
| 799 | if (n1.x!=n2.x || n1.y!=n2.y || n1.z!=n2.z) |
---|
| 800 | { |
---|
| 801 | different = true; |
---|
| 802 | } |
---|
| 803 | } |
---|
| 804 | |
---|
| 805 | if ((params.exportVertCol) && |
---|
| 806 | (newvertices[k].r!=color.r || newvertices[k].g!=color.g || newvertices[k].b!= color.b || newvertices[k].a!=color.a)) |
---|
| 807 | { |
---|
| 808 | different = true; |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | if (params.exportTexCoord) |
---|
| 812 | { |
---|
| 813 | for (j=0; j<newuvsets.length(); j++) |
---|
| 814 | { |
---|
| 815 | float2 uv; |
---|
| 816 | stat = faceIter.getUV(triVertexIdx[i],uv,&newuvsets[j]); |
---|
| 817 | if (MS::kSuccess != stat) |
---|
| 818 | { |
---|
| 819 | uv[0] = 0; |
---|
| 820 | uv[1] = 0; |
---|
| 821 | } |
---|
| 822 | uv[1] = (-1)*(uv[1]-1); |
---|
| 823 | if (newvertices[k].u[j]!=uv[0] || newvertices[k].v[j]!=uv[1]) |
---|
| 824 | { |
---|
| 825 | different = true; |
---|
| 826 | } |
---|
| 827 | } |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | idx = k; |
---|
| 831 | } |
---|
| 832 | // if no identical vertex has been saved, then save the vertex info |
---|
| 833 | if (different) |
---|
| 834 | { |
---|
| 835 | vertexInfo vtx; |
---|
| 836 | // save vertex position |
---|
| 837 | vtx.pointIdx = vtxIdx; |
---|
| 838 | // save vertex normal |
---|
| 839 | vtx.normalIdx = nrmIdx; |
---|
| 840 | // save vertex colour |
---|
| 841 | vtx.r = color.r; |
---|
| 842 | vtx.g = color.g; |
---|
| 843 | vtx.b = color.b; |
---|
| 844 | vtx.a = color.a; |
---|
| 845 | // save vertex vba |
---|
| 846 | vtx.vba.resize(newweights[vtxIdx].length()); |
---|
| 847 | for (j=0; j<newweights[vtxIdx].length(); j++) |
---|
| 848 | { |
---|
| 849 | vtx.vba[j] = (newweights[vtxIdx])[j]; |
---|
| 850 | } |
---|
| 851 | // save joint ids |
---|
| 852 | vtx.jointIds.resize(newjointIds[vtxIdx].length()); |
---|
| 853 | for (j=0; j<newjointIds[vtxIdx].length(); j++) |
---|
| 854 | { |
---|
| 855 | vtx.jointIds[j] = (newjointIds[vtxIdx])[j]; |
---|
| 856 | } |
---|
| 857 | // save vertex texture coordinates |
---|
| 858 | vtx.u.resize(newuvsets.length()); |
---|
| 859 | vtx.v.resize(newuvsets.length()); |
---|
| 860 | for (j=0; j<newuvsets.length(); j++) |
---|
| 861 | { |
---|
| 862 | float2 uv; |
---|
| 863 | stat = faceIter.getUV(triVertexIdx[i],uv,&newuvsets[j]); |
---|
| 864 | if (MS::kSuccess != stat) |
---|
| 865 | { |
---|
| 866 | uv[0] = 0; |
---|
| 867 | uv[1] = 0; |
---|
| 868 | } |
---|
| 869 | if (fabs(uv[0]) < PRECISION) |
---|
| 870 | uv[0] = 0; |
---|
| 871 | if (fabs(uv[1]) < PRECISION) |
---|
| 872 | uv[1] = 0; |
---|
| 873 | vtx.u[j] = uv[0]; |
---|
| 874 | vtx.v[j] = (-1)*(uv[1]-1); |
---|
| 875 | } |
---|
| 876 | vtx.next = -1; |
---|
| 877 | newvertices.push_back(vtx); |
---|
| 878 | // save vertex index in face info |
---|
| 879 | newFace.v[i] = m_sharedGeom.vertices.size() + newvertices.size()-1; |
---|
| 880 | newvertices[idx].next = newvertices.size()-1; |
---|
| 881 | } |
---|
| 882 | else |
---|
| 883 | { |
---|
| 884 | newFace.v[i] = m_sharedGeom.vertices.size() + idx; |
---|
| 885 | } |
---|
| 886 | } |
---|
| 887 | } // end iteration of triangle vertices |
---|
| 888 | // add face info to the array corresponding to the submesh it belongs |
---|
| 889 | // skip faces with no shaders assigned |
---|
| 890 | if (shaderPolygonMapping[faceIter.index()] >= 0) |
---|
| 891 | polygonSets[shaderPolygonMapping[faceIter.index()]].push_back(newFace); |
---|
| 892 | } // end iteration of triangles |
---|
| 893 | } |
---|
| 894 | } |
---|
| 895 | std::cout << "done reading mesh triangles\n"; |
---|
| 896 | std::cout.flush(); |
---|
| 897 | return MS::kSuccess; |
---|
| 898 | } |
---|
| 899 | |
---|
| 900 | |
---|
| 901 | // Build shared geometry |
---|
| 902 | MStatus Mesh::buildSharedGeometry(const MDagPath &meshDag,ParamList& params) |
---|
| 903 | { |
---|
| 904 | int i,j,k; |
---|
| 905 | std::cout << "Create list of shared vertices\n"; |
---|
| 906 | std::cout.flush(); |
---|
| 907 | // save a new entry in the shared geometry map: we associate the index of the first |
---|
| 908 | // vertex we're loading with the dag path from which it has been read |
---|
| 909 | dagInfo di; |
---|
| 910 | di.offset = m_sharedGeom.vertices.size(); |
---|
| 911 | di.dagPath = meshDag; |
---|
| 912 | di.pBlendShape = pBlendShape; |
---|
| 913 | // load shared vertices |
---|
| 914 | for (i=0; i<newvertices.size(); i++) |
---|
| 915 | { |
---|
| 916 | vertex v; |
---|
| 917 | vertexInfo vInfo = newvertices[i]; |
---|
| 918 | // save vertex coordinates (rescale to desired length unit) |
---|
| 919 | MPoint point = newpoints[vInfo.pointIdx] * params.lum; |
---|
| 920 | if (fabs(point.x) < PRECISION) |
---|
| 921 | point.x = 0; |
---|
| 922 | if (fabs(point.y) < PRECISION) |
---|
| 923 | point.y = 0; |
---|
| 924 | if (fabs(point.z) < PRECISION) |
---|
| 925 | point.z = 0; |
---|
| 926 | v.x = point.x; |
---|
| 927 | v.y = point.y; |
---|
| 928 | v.z = point.z; |
---|
| 929 | // save vertex normal |
---|
| 930 | MFloatVector normal = newnormals[vInfo.normalIdx]; |
---|
| 931 | if (fabs(normal.x) < PRECISION) |
---|
| 932 | normal.x = 0; |
---|
| 933 | if (fabs(normal.y) < PRECISION) |
---|
| 934 | normal.y = 0; |
---|
| 935 | if (fabs(normal.z) < PRECISION) |
---|
| 936 | normal.z = 0; |
---|
| 937 | if (opposite) |
---|
| 938 | { |
---|
| 939 | v.n.x = -normal.x; |
---|
| 940 | v.n.y = -normal.y; |
---|
| 941 | v.n.z = -normal.z; |
---|
| 942 | } |
---|
| 943 | else |
---|
| 944 | { |
---|
| 945 | v.n.x = normal.x; |
---|
| 946 | v.n.y = normal.y; |
---|
| 947 | v.n.z = normal.z; |
---|
| 948 | } |
---|
| 949 | v.n.normalize(); |
---|
| 950 | // save vertex color |
---|
| 951 | v.r = vInfo.r; |
---|
| 952 | v.g = vInfo.g; |
---|
| 953 | v.b = vInfo.b; |
---|
| 954 | v.a = vInfo.a; |
---|
| 955 | // save vertex bone assignements |
---|
| 956 | for (k=0; k<vInfo.vba.size(); k++) |
---|
| 957 | { |
---|
| 958 | vba newVba; |
---|
| 959 | newVba.jointIdx = vInfo.jointIds[k]; |
---|
| 960 | newVba.weight = vInfo.vba[k]; |
---|
| 961 | v.vbas.push_back(newVba); |
---|
| 962 | } |
---|
| 963 | // save texture coordinates |
---|
| 964 | for (k=0; k<vInfo.u.size(); k++) |
---|
| 965 | { |
---|
| 966 | texcoords newTexCoords; |
---|
| 967 | newTexCoords.u = vInfo.u[k]; |
---|
| 968 | newTexCoords.v = vInfo.v[k]; |
---|
| 969 | newTexCoords.w = 0; |
---|
| 970 | v.texcoords.push_back(newTexCoords); |
---|
| 971 | } |
---|
| 972 | // save vertex index in maya mesh, to retrieve future positions of the same vertex |
---|
| 973 | v.index = vInfo.pointIdx; |
---|
| 974 | // add newly created vertex to vertices list |
---|
| 975 | m_sharedGeom.vertices.push_back(v); |
---|
| 976 | } |
---|
| 977 | // Make sure all vertices have the same number of texture coordinates |
---|
| 978 | for (i=0; i<m_sharedGeom.vertices.size(); i++) |
---|
| 979 | { |
---|
| 980 | vertex* pV = &m_sharedGeom.vertices[i]; |
---|
| 981 | for (j=pV->texcoords.size(); j<m_uvsets.size(); j++) |
---|
| 982 | { |
---|
| 983 | texcoords newTexCoords; |
---|
| 984 | newTexCoords.u = 0; |
---|
| 985 | newTexCoords.v = 0; |
---|
| 986 | newTexCoords.w = 0; |
---|
| 987 | pV->texcoords.push_back(newTexCoords); |
---|
| 988 | } |
---|
| 989 | } |
---|
| 990 | // save number of vertices referring to this mesh dag in the dag path map |
---|
| 991 | di.numVertices = m_sharedGeom.vertices.size() - di.offset; |
---|
| 992 | m_sharedGeom.dagMap.push_back(di); |
---|
| 993 | std::cout << "done creating vertices list\n"; |
---|
| 994 | std::cout.flush(); |
---|
| 995 | return MS::kSuccess; |
---|
| 996 | } |
---|
| 997 | |
---|
| 998 | |
---|
| 999 | // Create submeshes |
---|
| 1000 | MStatus Mesh::createSubmeshes(const MDagPath& meshDag,ParamList& params) |
---|
| 1001 | { |
---|
| 1002 | int i; |
---|
| 1003 | MStatus stat; |
---|
| 1004 | MFnMesh mesh(meshDag); |
---|
| 1005 | for (i=0; i<shaders.length(); i++) |
---|
| 1006 | { |
---|
| 1007 | // check if the submesh has at least 1 triangle |
---|
| 1008 | if (polygonSets[i].size() > 0) |
---|
| 1009 | { |
---|
| 1010 | //create new submesh |
---|
| 1011 | Submesh* pSubmesh = new Submesh(); |
---|
| 1012 | //load linked shader |
---|
| 1013 | stat = pSubmesh->loadMaterial(shaders[i],newuvsets,params); |
---|
| 1014 | if (stat != MS::kSuccess) |
---|
| 1015 | { |
---|
| 1016 | MFnDependencyNode shadingGroup(shaders[i]); |
---|
| 1017 | std::cout << "Error loading submesh linked to shader " << shadingGroup.name().asChar() << "\n"; |
---|
| 1018 | std::cout.flush(); |
---|
| 1019 | return MS::kFailure; |
---|
| 1020 | } |
---|
| 1021 | //load vertex and face data |
---|
| 1022 | stat = pSubmesh->load(meshDag,polygonSets[i],newvertices,newpoints,newnormals,newuvsets,params,opposite); |
---|
| 1023 | //if we're not using shared geometry, save a pointer to the blend shape deformer |
---|
| 1024 | if (pBlendShape && !params.useSharedGeom) |
---|
| 1025 | pSubmesh->m_pBlendShape = pBlendShape; |
---|
| 1026 | //add submesh to current mesh |
---|
| 1027 | m_submeshes.push_back(pSubmesh); |
---|
| 1028 | //update number of triangles composing the mesh |
---|
| 1029 | m_numTriangles += pSubmesh->numTriangles(); |
---|
| 1030 | } |
---|
| 1031 | } |
---|
| 1032 | return MS::kSuccess; |
---|
| 1033 | } |
---|
| 1034 | |
---|
| 1035 | |
---|
| 1036 | |
---|
| 1037 | |
---|
| 1038 | |
---|
| 1039 | /******************** Methods to read vertex animations from Maya ************************/ |
---|
| 1040 | //load a vertex animation clip |
---|
| 1041 | MStatus Mesh::loadClip(MString& clipName,float start,float stop,float rate,ParamList& params) |
---|
| 1042 | { |
---|
| 1043 | MStatus stat; |
---|
| 1044 | MString msg; |
---|
| 1045 | std::vector<float> times; |
---|
| 1046 | // calculate times from clip sample rate |
---|
| 1047 | times.clear(); |
---|
| 1048 | for (float t=start; t<stop; t+=rate) |
---|
| 1049 | times.push_back(t); |
---|
| 1050 | times.push_back(stop); |
---|
| 1051 | // get animation length |
---|
| 1052 | float length=0; |
---|
| 1053 | if (times.size() >= 0) |
---|
| 1054 | length = times[times.size()-1] - times[0]; |
---|
| 1055 | if (length < 0) |
---|
| 1056 | { |
---|
| 1057 | std::cout << "invalid time range for the clip, we skip it\n"; |
---|
| 1058 | std::cout.flush(); |
---|
| 1059 | return MS::kFailure; |
---|
| 1060 | } |
---|
| 1061 | // create a new animation |
---|
| 1062 | Animation a; |
---|
| 1063 | a.m_name = clipName; |
---|
| 1064 | a.m_length = length; |
---|
| 1065 | a.m_tracks.clear(); |
---|
| 1066 | // if we're using shared geometry, create a single animation track for the whole mesh |
---|
| 1067 | if (params.useSharedGeom) |
---|
| 1068 | { |
---|
| 1069 | // load the animation track |
---|
| 1070 | stat = loadMeshTrack(a,times,params); |
---|
| 1071 | if (stat != MS::kSuccess) |
---|
| 1072 | { |
---|
| 1073 | std::cout << "Error loading mesh vertex animation\n"; |
---|
| 1074 | std::cout.flush(); |
---|
| 1075 | } |
---|
| 1076 | } |
---|
| 1077 | // else creae a different animation track for each submesh |
---|
| 1078 | else |
---|
| 1079 | { |
---|
| 1080 | // load all tracks (one for each submesh) |
---|
| 1081 | stat = loadSubmeshTracks(a,times,params); |
---|
| 1082 | if (stat != MS::kSuccess) |
---|
| 1083 | { |
---|
| 1084 | std::cout << "Error loading submeshes vertex animation\n"; |
---|
| 1085 | std::cout.flush(); |
---|
| 1086 | return MS::kFailure; |
---|
| 1087 | } |
---|
| 1088 | } |
---|
| 1089 | // add newly created animation to animations list |
---|
| 1090 | m_vertexClips.push_back(a); |
---|
| 1091 | // display info |
---|
| 1092 | std::cout << "length: " << a.m_length << "\n"; |
---|
| 1093 | std::cout << "num keyframes: " << a.m_tracks[0].m_vertexKeyframes.size() << "\n"; |
---|
| 1094 | std::cout.flush(); |
---|
| 1095 | // clip successfully loaded |
---|
| 1096 | return MS::kSuccess; |
---|
| 1097 | } |
---|
| 1098 | |
---|
| 1099 | |
---|
| 1100 | //load an animation track for the whole mesh (using shared geometry) |
---|
| 1101 | MStatus Mesh::loadMeshTrack(Animation& a,std::vector<float> ×, OgreMayaExporter::ParamList ¶ms) |
---|
| 1102 | { |
---|
| 1103 | int i; |
---|
| 1104 | MStatus stat; |
---|
| 1105 | // create a new track |
---|
| 1106 | Track t; |
---|
| 1107 | t.m_type = TT_MORPH; |
---|
| 1108 | t.m_target = T_MESH; |
---|
| 1109 | t.m_vertexKeyframes.clear(); |
---|
| 1110 | // get keyframes at given times |
---|
| 1111 | for (i=0; i<times.size(); i++) |
---|
| 1112 | { |
---|
| 1113 | //set time to wanted sample time |
---|
| 1114 | MAnimControl::setCurrentTime(MTime(times[i],MTime::kSeconds)); |
---|
| 1115 | //load a keyframe for the mesh at current time |
---|
| 1116 | stat = loadKeyframe(t,times[i]-times[0],params); |
---|
| 1117 | if (stat != MS::kSuccess) |
---|
| 1118 | { |
---|
| 1119 | std::cout << "Error reading animation keyframe at time: " << times[i] << "\n"; |
---|
| 1120 | std::cout.flush(); |
---|
| 1121 | } |
---|
| 1122 | } |
---|
| 1123 | // add track to given animation |
---|
| 1124 | a.addTrack(t); |
---|
| 1125 | // track sucessfully loaded |
---|
| 1126 | return MS::kSuccess; |
---|
| 1127 | } |
---|
| 1128 | |
---|
| 1129 | |
---|
| 1130 | //load all submesh animation tracks (one for each submesh) |
---|
| 1131 | MStatus Mesh::loadSubmeshTracks(Animation& a,std::vector<float> ×, OgreMayaExporter::ParamList ¶ms) |
---|
| 1132 | { |
---|
| 1133 | int i,j; |
---|
| 1134 | MStatus stat; |
---|
| 1135 | // create a new track for each submesh |
---|
| 1136 | std::vector<Track> tracks; |
---|
| 1137 | for (i=0; i<m_submeshes.size(); i++) |
---|
| 1138 | { |
---|
| 1139 | Track t; |
---|
| 1140 | t.m_type = TT_MORPH; |
---|
| 1141 | t.m_target = T_SUBMESH; |
---|
| 1142 | t.m_index = i; |
---|
| 1143 | t.m_vertexKeyframes.clear(); |
---|
| 1144 | tracks.push_back(t); |
---|
| 1145 | } |
---|
| 1146 | // get keyframes at given times |
---|
| 1147 | for (i=0; i<times.size(); i++) |
---|
| 1148 | { |
---|
| 1149 | //set time to wanted sample time |
---|
| 1150 | MAnimControl::setCurrentTime(MTime(times[i],MTime::kSeconds)); |
---|
| 1151 | //load a keyframe for each submesh at current time |
---|
| 1152 | for (j=0; j<m_submeshes.size(); j++) |
---|
| 1153 | { |
---|
| 1154 | stat = m_submeshes[j]->loadKeyframe(tracks[j],times[i]-times[0],params); |
---|
| 1155 | if (stat != MS::kSuccess) |
---|
| 1156 | { |
---|
| 1157 | std::cout << "Error reading animation keyframe at time: " << times[i] << " for submesh: " << j << "\n"; |
---|
| 1158 | std::cout.flush(); |
---|
| 1159 | } |
---|
| 1160 | } |
---|
| 1161 | } |
---|
| 1162 | // add tracks to given animation |
---|
| 1163 | for (i=0; i< tracks.size(); i++) |
---|
| 1164 | a.addTrack(tracks[i]); |
---|
| 1165 | // track sucessfully loaded |
---|
| 1166 | return MS::kSuccess; |
---|
| 1167 | return MS::kSuccess; |
---|
| 1168 | } |
---|
| 1169 | |
---|
| 1170 | |
---|
| 1171 | // Load a keyframe for the whole mesh |
---|
| 1172 | MStatus Mesh::loadKeyframe(Track& t,float time,ParamList& params) |
---|
| 1173 | { |
---|
| 1174 | int i,j; |
---|
| 1175 | // create a new keyframe |
---|
| 1176 | vertexKeyframe k; |
---|
| 1177 | // set keyframe time |
---|
| 1178 | k.time = time; |
---|
| 1179 | for (i=0; i<m_sharedGeom.dagMap.size(); i++) |
---|
| 1180 | { |
---|
| 1181 | // get the mesh Fn |
---|
| 1182 | dagInfo di = m_sharedGeom.dagMap[i]; |
---|
| 1183 | MFnMesh mesh(di.dagPath); |
---|
| 1184 | // get vertex positions |
---|
| 1185 | MFloatPointArray points; |
---|
| 1186 | if (params.exportWorldCoords) |
---|
| 1187 | mesh.getPoints(points,MSpace::kWorld); |
---|
| 1188 | else |
---|
| 1189 | mesh.getPoints(points,MSpace::kObject); |
---|
| 1190 | // calculate vertex offsets |
---|
| 1191 | for (j=0; j<di.numVertices; j++) |
---|
| 1192 | { |
---|
| 1193 | vertexPosition pos; |
---|
| 1194 | vertex v = m_sharedGeom.vertices[di.offset+j]; |
---|
| 1195 | pos.x = points[v.index].x * params.lum; |
---|
| 1196 | pos.y = points[v.index].y * params.lum; |
---|
| 1197 | pos.z = points[v.index].z * params.lum; |
---|
| 1198 | if (fabs(pos.x) < PRECISION) |
---|
| 1199 | pos.x = 0; |
---|
| 1200 | if (fabs(pos.y) < PRECISION) |
---|
| 1201 | pos.y = 0; |
---|
| 1202 | if (fabs(pos.z) < PRECISION) |
---|
| 1203 | pos.z = 0; |
---|
| 1204 | k.positions.push_back(pos); |
---|
| 1205 | } |
---|
| 1206 | } |
---|
| 1207 | // add keyframe to given track |
---|
| 1208 | t.addVertexKeyframe(k); |
---|
| 1209 | // keyframe successfully loaded |
---|
| 1210 | return MS::kSuccess; |
---|
| 1211 | } |
---|
| 1212 | |
---|
| 1213 | /*********************************** Export mesh data **************************************/ |
---|
| 1214 | // Write to a OGRE binary mesh |
---|
| 1215 | MStatus Mesh::writeOgreBinary(ParamList ¶ms) |
---|
| 1216 | { |
---|
| 1217 | MStatus stat; |
---|
| 1218 | int i; |
---|
| 1219 | // If no mesh have been exported, skip mesh creation |
---|
| 1220 | if (m_submeshes.size() <= 0) |
---|
| 1221 | { |
---|
| 1222 | std::cout << "Warning: No meshes selected for export\n"; |
---|
| 1223 | std::cout.flush(); |
---|
| 1224 | return MS::kFailure; |
---|
| 1225 | } |
---|
| 1226 | // Construct mesh |
---|
| 1227 | Ogre::MeshPtr pMesh = Ogre::MeshManager::getSingleton().createManual(m_name.asChar(), |
---|
| 1228 | Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); |
---|
| 1229 | // Write shared geometry data |
---|
| 1230 | if (params.useSharedGeom) |
---|
| 1231 | { |
---|
| 1232 | createOgreSharedGeometry(pMesh,params); |
---|
| 1233 | } |
---|
| 1234 | // Write submeshes data |
---|
| 1235 | for (i=0; i<m_submeshes.size(); i++) |
---|
| 1236 | { |
---|
| 1237 | m_submeshes[i]->createOgreSubmesh(pMesh,params); |
---|
| 1238 | } |
---|
| 1239 | // Set skeleton link (if present) |
---|
| 1240 | if (m_pSkeleton && params.exportSkeleton) |
---|
| 1241 | { |
---|
| 1242 | int ri = params.skeletonFilename.rindex('\\'); |
---|
| 1243 | int end = params.skeletonFilename.length() - 1; |
---|
| 1244 | MString filename = params.skeletonFilename.substring(ri+1,end); |
---|
| 1245 | pMesh->setSkeletonName(filename.asChar()); |
---|
| 1246 | } |
---|
| 1247 | // Write poses |
---|
| 1248 | if (params.exportBlendShapes) |
---|
| 1249 | { |
---|
| 1250 | createOgrePoses(pMesh,params); |
---|
| 1251 | } |
---|
| 1252 | // Write vertex animations |
---|
| 1253 | if (params.exportVertAnims) |
---|
| 1254 | { |
---|
| 1255 | createOgreVertexAnimations(pMesh,params); |
---|
| 1256 | } |
---|
| 1257 | // Write pose animations |
---|
| 1258 | if (params.exportBSAnims) |
---|
| 1259 | { |
---|
| 1260 | createOgrePoseAnimations(pMesh,params); |
---|
| 1261 | } |
---|
| 1262 | // Create a bounding box for the mesh |
---|
| 1263 | Ogre::AxisAlignedBox bbox = pMesh->getBounds(); |
---|
| 1264 | for(i=0; i<m_submeshes.size(); i++) |
---|
| 1265 | { |
---|
| 1266 | MPoint min1 = m_submeshes[i]->m_boundingBox.min(); |
---|
| 1267 | MPoint max1 = m_submeshes[i]->m_boundingBox.max(); |
---|
| 1268 | Ogre::Vector3 min2(min1.x,min1.y,min1.z); |
---|
| 1269 | Ogre::Vector3 max2(max1.x,max1.y,max1.z); |
---|
| 1270 | Ogre::AxisAlignedBox newbbox; |
---|
| 1271 | newbbox.setExtents(min2,max2); |
---|
| 1272 | bbox.merge(newbbox); |
---|
| 1273 | } |
---|
| 1274 | // Define mesh bounds |
---|
| 1275 | pMesh->_setBounds(bbox,false); |
---|
| 1276 | // Build edges list |
---|
| 1277 | if (params.buildEdges) |
---|
| 1278 | { |
---|
| 1279 | pMesh->buildEdgeList(); |
---|
| 1280 | } |
---|
| 1281 | // Build tangents |
---|
| 1282 | if (params.buildTangents) |
---|
| 1283 | { |
---|
| 1284 | bool canBuild = true; |
---|
| 1285 | unsigned short srcTex, destTex; |
---|
| 1286 | try { |
---|
| 1287 | pMesh->suggestTangentVectorBuildParams(srcTex, destTex); |
---|
| 1288 | } catch(Ogre::Exception e) { |
---|
| 1289 | canBuild = false; |
---|
| 1290 | } |
---|
| 1291 | if (canBuild) |
---|
| 1292 | pMesh->buildTangentVectors(srcTex, destTex); |
---|
| 1293 | } |
---|
| 1294 | // Export the binary mesh |
---|
| 1295 | Ogre::MeshSerializer serializer; |
---|
| 1296 | serializer.exportMesh(pMesh.getPointer(),params.meshFilename.asChar()); |
---|
| 1297 | pMesh.setNull(); |
---|
| 1298 | return MS::kSuccess; |
---|
| 1299 | } |
---|
| 1300 | |
---|
| 1301 | // Create shared geometry data for an Ogre mesh |
---|
| 1302 | MStatus Mesh::createOgreSharedGeometry(Ogre::MeshPtr pMesh,ParamList& params) |
---|
| 1303 | { |
---|
| 1304 | int i,j; |
---|
| 1305 | MStatus stat; |
---|
| 1306 | pMesh->sharedVertexData = new Ogre::VertexData(); |
---|
| 1307 | pMesh->sharedVertexData->vertexCount = m_sharedGeom.vertices.size(); |
---|
| 1308 | // Define a new vertex declaration |
---|
| 1309 | Ogre::VertexDeclaration* pDecl = new Ogre::VertexDeclaration(); |
---|
| 1310 | pMesh->sharedVertexData->vertexDeclaration = pDecl; |
---|
| 1311 | unsigned buf = 0; |
---|
| 1312 | size_t offset = 0; |
---|
| 1313 | // Add vertex position |
---|
| 1314 | pDecl->addElement(buf,offset,Ogre::VET_FLOAT3,Ogre::VES_POSITION); |
---|
| 1315 | offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3); |
---|
| 1316 | // Add vertex normal |
---|
| 1317 | if (params.exportVertNorm) |
---|
| 1318 | { |
---|
| 1319 | pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL); |
---|
| 1320 | offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3); |
---|
| 1321 | } |
---|
| 1322 | // Add vertex colour |
---|
| 1323 | if (params.exportVertCol) |
---|
| 1324 | { |
---|
| 1325 | pDecl->addElement(buf, offset, Ogre::VET_FLOAT4, Ogre::VES_DIFFUSE); |
---|
| 1326 | offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT4); |
---|
| 1327 | } |
---|
| 1328 | // Add texture coordinates |
---|
| 1329 | for (i=0; i<m_sharedGeom.vertices[0].texcoords.size(); i++) |
---|
| 1330 | { |
---|
| 1331 | Ogre::VertexElementType uvType = Ogre::VertexElement::multiplyTypeCount(Ogre::VET_FLOAT1, 2); |
---|
| 1332 | pDecl->addElement(buf, offset, uvType, Ogre::VES_TEXTURE_COORDINATES, i); |
---|
| 1333 | offset += Ogre::VertexElement::getTypeSize(uvType); |
---|
| 1334 | } |
---|
| 1335 | // Get optimal vertex declaration |
---|
| 1336 | Ogre::VertexDeclaration* pOptimalDecl = pDecl->getAutoOrganisedDeclaration(params.exportVBA,params.exportBlendShapes || params.exportVertAnims); |
---|
| 1337 | // Create the vertex buffer using the newly created vertex declaration |
---|
| 1338 | stat = createOgreVertexBuffer(pMesh,pDecl,m_sharedGeom.vertices); |
---|
| 1339 | // Write vertex bone assignements list |
---|
| 1340 | if (params.exportVBA) |
---|
| 1341 | { |
---|
| 1342 | // Create a new vertex bone assignements list |
---|
| 1343 | Ogre::Mesh::VertexBoneAssignmentList vbas; |
---|
| 1344 | // Scan list of shared geometry vertices |
---|
| 1345 | for (i=0; i<m_sharedGeom.vertices.size(); i++) |
---|
| 1346 | { |
---|
| 1347 | vertex v = m_sharedGeom.vertices[i]; |
---|
| 1348 | // Add all bone assignements for every vertex to the bone assignements list |
---|
| 1349 | for (j=0; j<v.vbas.size(); j++) |
---|
| 1350 | { |
---|
| 1351 | Ogre::VertexBoneAssignment vba; |
---|
| 1352 | vba.vertexIndex = i; |
---|
| 1353 | vba.boneIndex = v.vbas[j].jointIdx; |
---|
| 1354 | vba.weight = v.vbas[j].weight; |
---|
| 1355 | if (vba.weight > 0.0f) |
---|
| 1356 | vbas.insert(Ogre::Mesh::VertexBoneAssignmentList::value_type(i, vba)); |
---|
| 1357 | } |
---|
| 1358 | } |
---|
| 1359 | // Rationalise the bone assignements list |
---|
| 1360 | pMesh->_rationaliseBoneAssignments(pMesh->sharedVertexData->vertexCount,vbas); |
---|
| 1361 | // Add bone assignements to the mesh |
---|
| 1362 | for (Ogre::Mesh::VertexBoneAssignmentList::iterator bi = vbas.begin(); bi != vbas.end(); bi++) |
---|
| 1363 | { |
---|
| 1364 | pMesh->addBoneAssignment(bi->second); |
---|
| 1365 | } |
---|
| 1366 | pMesh->_compileBoneAssignments(); |
---|
| 1367 | pMesh->_updateCompiledBoneAssignments(); |
---|
| 1368 | } |
---|
| 1369 | // Reorganize vertex buffers |
---|
| 1370 | pMesh->sharedVertexData->reorganiseBuffers(pOptimalDecl); |
---|
| 1371 | |
---|
| 1372 | return MS::kSuccess; |
---|
| 1373 | } |
---|
| 1374 | |
---|
| 1375 | // Create an Ogre compatible vertex buffer |
---|
| 1376 | MStatus Mesh::createOgreVertexBuffer(Ogre::MeshPtr pMesh,Ogre::VertexDeclaration* pDecl,const std::vector<vertex>& vertices) |
---|
| 1377 | { |
---|
| 1378 | Ogre::HardwareVertexBufferSharedPtr vbuf = |
---|
| 1379 | Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(pDecl->getVertexSize(0), |
---|
| 1380 | pMesh->sharedVertexData->vertexCount, |
---|
| 1381 | Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY); |
---|
| 1382 | pMesh->sharedVertexData->vertexBufferBinding->setBinding(0, vbuf); |
---|
| 1383 | size_t vertexSize = pDecl->getVertexSize(0); |
---|
| 1384 | char* pBase = static_cast<char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD)); |
---|
| 1385 | Ogre::VertexDeclaration::VertexElementList elems = pDecl->findElementsBySource(0); |
---|
| 1386 | Ogre::VertexDeclaration::VertexElementList::iterator ei, eiend; |
---|
| 1387 | eiend = elems.end(); |
---|
| 1388 | float* pFloat; |
---|
| 1389 | // Fill the vertex buffer with shared geometry data |
---|
| 1390 | long vi; |
---|
| 1391 | Ogre::ColourValue col; |
---|
| 1392 | float ucoord, vcoord; |
---|
| 1393 | for (vi=0; vi<vertices.size(); vi++) |
---|
| 1394 | { |
---|
| 1395 | int iTexCoord = 0; |
---|
| 1396 | vertex v = vertices[vi]; |
---|
| 1397 | for (ei = elems.begin(); ei != eiend; ++ei) |
---|
| 1398 | { |
---|
| 1399 | Ogre::VertexElement& elem = *ei; |
---|
| 1400 | switch(elem.getSemantic()) |
---|
| 1401 | { |
---|
| 1402 | case Ogre::VES_POSITION: |
---|
| 1403 | elem.baseVertexPointerToElement(pBase, &pFloat); |
---|
| 1404 | *pFloat++ = v.x; |
---|
| 1405 | *pFloat++ = v.y; |
---|
| 1406 | *pFloat++ = v.z; |
---|
| 1407 | break; |
---|
| 1408 | case Ogre::VES_NORMAL: |
---|
| 1409 | elem.baseVertexPointerToElement(pBase, &pFloat); |
---|
| 1410 | *pFloat++ = v.n.x; |
---|
| 1411 | *pFloat++ = v.n.y; |
---|
| 1412 | *pFloat++ = v.n.z; |
---|
| 1413 | break; |
---|
| 1414 | case Ogre::VES_DIFFUSE: |
---|
| 1415 | elem.baseVertexPointerToElement(pBase, &pFloat); |
---|
| 1416 | *pFloat++ = v.r; |
---|
| 1417 | *pFloat++ = v.g; |
---|
| 1418 | *pFloat++ = v.b; |
---|
| 1419 | *pFloat++ = v.a; |
---|
| 1420 | break; |
---|
| 1421 | case Ogre::VES_TEXTURE_COORDINATES: |
---|
| 1422 | elem.baseVertexPointerToElement(pBase, &pFloat); |
---|
| 1423 | ucoord = v.texcoords[iTexCoord].u; |
---|
| 1424 | vcoord = v.texcoords[iTexCoord].v; |
---|
| 1425 | *pFloat++ = ucoord; |
---|
| 1426 | *pFloat++ = vcoord; |
---|
| 1427 | iTexCoord++; |
---|
| 1428 | break; |
---|
| 1429 | } |
---|
| 1430 | } |
---|
| 1431 | pBase += vertexSize; |
---|
| 1432 | } |
---|
| 1433 | vbuf->unlock(); |
---|
| 1434 | return MS::kSuccess; |
---|
| 1435 | } |
---|
| 1436 | // Create mesh poses for an Ogre mesh |
---|
| 1437 | MStatus Mesh::createOgrePoses(Ogre::MeshPtr pMesh,ParamList& params) |
---|
| 1438 | { |
---|
| 1439 | int i,j,k; |
---|
| 1440 | if (params.useSharedGeom) |
---|
| 1441 | { |
---|
| 1442 | // Read poses associated from all blendshapes associated to the shared geometry |
---|
| 1443 | for (i=0; i<m_sharedGeom.dagMap.size(); i++) |
---|
| 1444 | { |
---|
| 1445 | BlendShape* pBS = m_sharedGeom.dagMap[i].pBlendShape; |
---|
| 1446 | // Check if we have a blend shape associated to this subset of the shared geometry |
---|
| 1447 | if (pBS) |
---|
| 1448 | { |
---|
| 1449 | // Get all poses from current blend shape deformer |
---|
| 1450 | for (j=0; j<pBS->getPoses().size(); j++) |
---|
| 1451 | { |
---|
| 1452 | // Get the pose |
---|
| 1453 | pose* p = &(pBS->getPoses()[j]); |
---|
| 1454 | if (p->name == "") |
---|
| 1455 | { |
---|
| 1456 | p->name = "pose"; |
---|
| 1457 | p->name += j; |
---|
| 1458 | } |
---|
| 1459 | // Create a new pose for the ogre mesh |
---|
| 1460 | Ogre::Pose* pPose = pMesh->createPose(0,p->name.asChar()); |
---|
| 1461 | // Set the pose attributes |
---|
| 1462 | for (k=0; k<p->offsets.size(); k++) |
---|
| 1463 | { |
---|
| 1464 | Ogre::Vector3 offset(p->offsets[k].x,p->offsets[k].y,p->offsets[k].z); |
---|
| 1465 | pPose->addVertex(p->offsets[k].index,offset); |
---|
| 1466 | } |
---|
| 1467 | } |
---|
| 1468 | } |
---|
| 1469 | } |
---|
| 1470 | } |
---|
| 1471 | else |
---|
| 1472 | { |
---|
| 1473 | // Get poses associated to the submeshes |
---|
| 1474 | for (i=0; i<m_submeshes.size(); i++) |
---|
| 1475 | { |
---|
| 1476 | BlendShape* pBS = m_submeshes[i]->m_pBlendShape; |
---|
| 1477 | // Check if this submesh has a blend shape deformer associated |
---|
| 1478 | if (pBS) |
---|
| 1479 | { |
---|
| 1480 | // Get all poses from current blend shape deformer |
---|
| 1481 | for (j=0; j<pBS->getPoses().size(); j++) |
---|
| 1482 | { |
---|
| 1483 | // Get the pose |
---|
| 1484 | pose* p = &(pBS->getPoses()[j]); |
---|
| 1485 | if (p->name == "") |
---|
| 1486 | { |
---|
| 1487 | p->name = "pose"; |
---|
| 1488 | p->name += j; |
---|
| 1489 | } |
---|
| 1490 | // Create a new pose for the ogre mesh |
---|
| 1491 | Ogre::Pose* pPose = pMesh->createPose(p->index,p->name.asChar()); |
---|
| 1492 | // Set the pose attributes |
---|
| 1493 | for (k=0; k<p->offsets.size(); k++) |
---|
| 1494 | { |
---|
| 1495 | Ogre::Vector3 offset(p->offsets[k].x,p->offsets[k].y,p->offsets[k].z); |
---|
| 1496 | pPose->addVertex(p->offsets[k].index,offset); |
---|
| 1497 | } |
---|
| 1498 | } |
---|
| 1499 | } |
---|
| 1500 | } |
---|
| 1501 | } |
---|
| 1502 | return MS::kSuccess; |
---|
| 1503 | } |
---|
| 1504 | // Create vertex animations for an Ogre mesh |
---|
| 1505 | MStatus Mesh::createOgreVertexAnimations(Ogre::MeshPtr pMesh,ParamList& params) |
---|
| 1506 | { |
---|
| 1507 | int i,j,k; |
---|
| 1508 | std::cout << "pippo\n"; |
---|
| 1509 | std::cout.flush(); |
---|
| 1510 | // Read the list of vertex animation clips |
---|
| 1511 | for (i=0; i<m_vertexClips.size(); i++) |
---|
| 1512 | { |
---|
| 1513 | // Create a new animation |
---|
| 1514 | Ogre::Animation* pAnimation = pMesh->createAnimation(m_vertexClips[i].m_name.asChar(),m_vertexClips[i].m_length); |
---|
| 1515 | // Create all tracks for current animation |
---|
| 1516 | for (j=0; j<m_vertexClips[i].m_tracks.size(); j++) |
---|
| 1517 | { |
---|
| 1518 | Track* t = &(m_vertexClips[i].m_tracks[j]); |
---|
| 1519 | // Create a new track |
---|
| 1520 | Ogre::VertexAnimationTrack* pTrack; |
---|
| 1521 | if (t->m_target == T_MESH) |
---|
| 1522 | pTrack = pAnimation->createVertexTrack(0,pMesh->sharedVertexData,Ogre::VAT_MORPH); |
---|
| 1523 | else |
---|
| 1524 | { |
---|
| 1525 | pTrack = pAnimation->createVertexTrack(t->m_index+1,pMesh->getSubMesh(t->m_index)->vertexData, |
---|
| 1526 | Ogre::VAT_MORPH); |
---|
| 1527 | } |
---|
| 1528 | // Create keyframes for current track |
---|
| 1529 | for (k=0; k<t->m_vertexKeyframes.size(); k++) |
---|
| 1530 | { |
---|
| 1531 | // Create a new keyframe |
---|
| 1532 | Ogre::VertexMorphKeyFrame* pKeyframe = pTrack->createVertexMorphKeyFrame(t->m_vertexKeyframes[k].time); |
---|
| 1533 | // Create vertex buffer for current keyframe |
---|
| 1534 | Ogre::HardwareVertexBufferSharedPtr pBuffer = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer( |
---|
| 1535 | Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3), |
---|
| 1536 | t->m_vertexKeyframes[k].positions.size(), |
---|
| 1537 | Ogre::HardwareBuffer::HBU_STATIC, true); |
---|
| 1538 | float* pFloat = static_cast<float*>(pBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD)); |
---|
| 1539 | // Fill the vertex buffer with vertex positions |
---|
| 1540 | int vi; |
---|
| 1541 | std::vector<vertexPosition>& positions = t->m_vertexKeyframes[k].positions; |
---|
| 1542 | for (vi=0; vi<positions.size(); vi++) |
---|
| 1543 | { |
---|
| 1544 | *pFloat++ = static_cast<float>(positions[vi].x); |
---|
| 1545 | *pFloat++ = static_cast<float>(positions[vi].y); |
---|
| 1546 | *pFloat++ = static_cast<float>(positions[vi].z); |
---|
| 1547 | } |
---|
| 1548 | // Unlock vertex buffer |
---|
| 1549 | pBuffer->unlock(); |
---|
| 1550 | // Set vertex buffer for current keyframe |
---|
| 1551 | pKeyframe->setVertexBuffer(pBuffer); |
---|
| 1552 | } |
---|
| 1553 | } |
---|
| 1554 | } |
---|
| 1555 | return MS::kSuccess; |
---|
| 1556 | } |
---|
| 1557 | // Create pose animations for an Ogre mesh |
---|
| 1558 | MStatus Mesh::createOgrePoseAnimations(Ogre::MeshPtr pMesh,ParamList& params) |
---|
| 1559 | { |
---|
| 1560 | int i,j,k; |
---|
| 1561 | // Get all loaded blend shape clips |
---|
| 1562 | for (i=0; i<m_BSClips.size(); i++) |
---|
| 1563 | { |
---|
| 1564 | // Create a new animation for each clip |
---|
| 1565 | Ogre::Animation* pAnimation = pMesh->createAnimation(m_BSClips[i].m_name.asChar(),m_BSClips[i].m_length); |
---|
| 1566 | // Create animation tracks for this animation |
---|
| 1567 | for (j=0; j<m_BSClips[i].m_tracks.size(); j++) |
---|
| 1568 | { |
---|
| 1569 | Track* t = &m_BSClips[i].m_tracks[j]; |
---|
| 1570 | // Create a new track |
---|
| 1571 | Ogre::VertexAnimationTrack* pTrack; |
---|
| 1572 | if (t->m_target == T_MESH) |
---|
| 1573 | pTrack = pAnimation->createVertexTrack(0,pMesh->sharedVertexData,Ogre::VAT_POSE); |
---|
| 1574 | else |
---|
| 1575 | { |
---|
| 1576 | pTrack = pAnimation->createVertexTrack(t->m_index+1,pMesh->getSubMesh(t->m_index)->vertexData, |
---|
| 1577 | Ogre::VAT_POSE); |
---|
| 1578 | } |
---|
| 1579 | // Create keyframes for current track |
---|
| 1580 | for (k=0; k<t->m_vertexKeyframes.size(); k++) |
---|
| 1581 | { |
---|
| 1582 | Ogre::VertexPoseKeyFrame* pKeyframe = pTrack->createVertexPoseKeyFrame(t->m_vertexKeyframes[k].time); |
---|
| 1583 | int pri; |
---|
| 1584 | for (pri=0; pri<t->m_vertexKeyframes[k].poserefs.size(); pri++) |
---|
| 1585 | { |
---|
| 1586 | vertexPoseRef* pr = &t->m_vertexKeyframes[k].poserefs[pri]; |
---|
| 1587 | pKeyframe->addPoseReference(pr->poseIndex,pr->poseWeight); |
---|
| 1588 | } |
---|
| 1589 | } |
---|
| 1590 | } |
---|
| 1591 | } |
---|
| 1592 | return MS::kSuccess; |
---|
| 1593 | } |
---|
| 1594 | |
---|
| 1595 | }; //end of namespace |
---|