/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2009 Torus Knot Software Ltd Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ----------------------------------------------------------------------------- */ #include "OgreXSIMeshExporter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "OgreException.h" #include "OgreXSIHelper.h" #include "OgreLogManager.h" #include "OgreMeshManager.h" #include "OgreMesh.h" #include "OgreSubMesh.h" #include "OgreMeshManager.h" #include "OgreMeshSerializer.h" #include "OgreHardwareBufferManager.h" #include "OgreVertexBoneAssignment.h" #include "OgrePose.h" #include "OgreAnimation.h" #include "OgreAnimationTrack.h" using namespace XSI; namespace Ogre { //----------------------------------------------------------------------- XsiMeshExporter::UniqueVertex::UniqueVertex() : position(Vector3::ZERO), normal(Vector3::ZERO), colour(0), nextIndex(0) { for (int i = 0; i < OGRE_MAX_TEXTURE_COORD_SETS; ++i) uv[i] = Vector3::ZERO; } //----------------------------------------------------------------------- bool XsiMeshExporter::UniqueVertex::operator==(const UniqueVertex& rhs) const { bool ret = position == rhs.position && normal == rhs.normal && colour == rhs.colour; if (!ret) return ret; for (int i = 0; i < OGRE_MAX_TEXTURE_COORD_SETS && ret; ++i) { ret = ret && (uv[i] == rhs.uv[i]); } return ret; } //----------------------------------------------------------------------- //----------------------------------------------------------------------- XsiMeshExporter::XsiMeshExporter() { } //----------------------------------------------------------------------- XsiMeshExporter::~XsiMeshExporter() { /// Tidy up cleanupDeformerMap(); cleanupMaterialMap(); } //----------------------------------------------------------------------- DeformerMap& XsiMeshExporter::buildMeshForExport( bool mergeSubMeshes, bool exportChildren, bool edgeLists, bool tangents, VertexElementSemantic tangentSemantic, bool tangentsSplitMirrored, bool tangentsSplitRotated, bool tangentsUseParity, bool vertexAnimation, AnimationList& animList, Real fps, const String& materialPrefix, LodData* lod, const String& skeletonName) { LogOgreAndXSI(L"** Begin OGRE Mesh Export **"); // Derive the scene root X3DObject sceneRoot(mXsiApp.GetActiveSceneRoot()); // Construct mesh mMesh = MeshManager::getSingleton().createManual("XSIExport", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); mMaterialPrefix = materialPrefix; cleanupDeformerMap(); cleanupMaterialMap(); mShapeKeyMapping.clear(); // Find all PolygonMesh objects buildPolygonMeshList(exportChildren); // progress report ProgressManager::getSingleton().progress(); // notify of skeleton beforehand if (!skeletonName.empty()) { mMesh->setSkeletonName(skeletonName); } // write the data into a mesh buildMesh(mMesh.getPointer(), mergeSubMeshes, !skeletonName.empty(), vertexAnimation, animList, fps); // progress report ProgressManager::getSingleton().progress(); if (lod) { mMesh->generateLodLevels(lod->distances, lod->quota, lod->reductionValue); // progress report ProgressManager::getSingleton().progress(); } if(edgeLists) { LogOgreAndXSI(L"Calculating edge lists"); mMesh->buildEdgeList(); // progress report ProgressManager::getSingleton().progress(); } if(tangents) { LogOgreAndXSI(L"Calculating tangents"); unsigned short src, dest; if (!mMesh->suggestTangentVectorBuildParams(tangentSemantic, src, dest)) { mMesh->buildTangentVectors(tangentSemantic, src, dest, tangentsSplitMirrored, tangentsSplitRotated, tangentsUseParity); } else { LogOgreAndXSI(L"Could not derive tangents parameters"); } // progress report ProgressManager::getSingleton().progress(); } cleanupPolygonMeshList(); LogOgreAndXSI(L"** OGRE Mesh Export Complete **"); return mXsiDeformerMap; } //----------------------------------------------------------------------- void XsiMeshExporter::exportMesh(const String& fileName, const AxisAlignedBox& skelAABB) { // Pad bounds AxisAlignedBox currBounds = mMesh->getBounds(); currBounds.merge(skelAABB); mMesh->_setBounds(currBounds, false); MeshSerializer serializer; serializer.exportMesh(mMesh.getPointer(), fileName); // progress report ProgressManager::getSingleton().progress(); mMesh.setNull(); } //----------------------------------------------------------------------- MaterialMap& XsiMeshExporter::getMaterials(void) { return mXsiMaterialMap; } //----------------------------------------------------------------------- TextureProjectionMap& XsiMeshExporter::getTextureProjectionMap(void) { return mTextureProjectionMap; } //----------------------------------------------------------------------- void XsiMeshExporter::buildMesh(Mesh* pMesh, bool mergeSubmeshes, bool lookForBoneAssignments, bool vertexAnimation, AnimationList& animList, Real fps) { /* Iterate over the list of polygon meshes that we've already located. For each one: If we're not merging submeshes, bake any protosubmeshes built into the mesh and clear the protosubmesh list Scan the clusters for 'poly' clusters (which can contain material discrepancies). Any that use a different material should be noted in the polycluster list Build ProtoSubMeshes by iterating over the triangles in the mesh, building the list of UniqueVertices against the material as we go. We check each triangle to see if the polygon index is in the list of polyclusters & if so it goes into the other lists Finally, we bake any remaining protosubmeshes into submeshes. */ // Calculate the number of progress updates each mesh must raise float progPerMesh = (float)OGRE_XSI_NUM_MESH_STEPS / (float)(mXsiPolygonMeshList.size()); float currProg = 0.0f; for (PolygonMeshList::iterator pm = mXsiPolygonMeshList.begin(); pm != mXsiPolygonMeshList.end(); ++pm) { currProg += progPerMesh; unsigned short progUpdates = (unsigned short)currProg; currProg -= progUpdates; // build contents of this polymesh into ProtoSubMesh(es) processPolygonMesh(pMesh, *pm, lookForBoneAssignments, progUpdates); if (!mergeSubmeshes) { // export out at the end of every PolygonMesh exportProtoSubMeshes(pMesh); } } if (mergeSubmeshes) { // export out the combined result exportProtoSubMeshes(pMesh); } if (vertexAnimation) { exportAnimations(pMesh, animList, fps); } } //----------------------------------------------------------------------- XsiMeshExporter::ProtoSubMesh* XsiMeshExporter::createOrRetrieveProtoSubMesh( const String& materialName, const String& name, TextureCoordDimensionList& texCoordDims, bool hasVertexColours) { bool createNew = true; ProtoSubMesh* ret = 0; ProtoSubMeshList* protoList = 0; MaterialProtoSubMeshMap::iterator pi = mMaterialProtoSubmeshMap.find(materialName); if (pi == mMaterialProtoSubmeshMap.end()) { protoList = new ProtoSubMeshList(); mMaterialProtoSubmeshMap[materialName] = protoList; } else { // Iterate over the protos with the same material protoList = pi->second; for (ProtoSubMeshList::iterator psi = protoList->begin(); psi != protoList->end(); ++psi) { ProtoSubMesh* candidate = *psi; // Check format is compatible if (candidate->textureCoordDimensions.size() != texCoordDims.size()) { continue; } if (candidate->hasVertexColours != hasVertexColours) { continue; } bool compat = true; std::vector::iterator t = texCoordDims.begin(); std::vector::iterator u = candidate->textureCoordDimensions.begin(); for (;t != texCoordDims.end(); ++t,++u) { if (*t != *u) { compat = false; break; } } if (compat) { createNew = false; ret = candidate; break; } } } if (createNew) { ret = new ProtoSubMesh(); protoList->push_back(ret); ret->materialName = materialName; ret->name = name; ret->textureCoordDimensions = texCoordDims; ret->hasVertexColours = hasVertexColours; } return ret; } //----------------------------------------------------------------------- void XsiMeshExporter::processPolygonMesh(Mesh* pMesh, PolygonMeshEntry* xsiMesh, bool lookForBoneAssignments, unsigned short progressUpdates) { CRefArray uvs = xsiMesh->geometry.GetUVs(); StringUtil::StrStreamType msg; msg << "-- " << XSItoOgre(xsiMesh->name) << " --" << std::endl; msg << "Points: " << xsiMesh->geometry.GetVertexCount() << std::endl; msg << "Triangles: " << xsiMesh->geometry.GetTriangleCount() << std::endl; msg << "Normals: " << xsiMesh->geometry.GetNodeCount() << std::endl; msg << "Num UVs: " << uvs.GetCount() << std::endl; String str = msg.str(); LogOgreAndXSI(str); if (uvs.GetCount() > OGRE_MAX_TEXTURE_COORD_SETS) { // too many texture coordinates! StringUtil::StrStreamType str; str << "PolygonMesh '" << XSItoOgre(xsiMesh->name) << "' has too many texture coordinate sets (" << uvs.GetCount() << "); the limit is " << OGRE_MAX_TEXTURE_COORD_SETS; OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, str.str(), "XsiMeshExporter::processPolygonMesh"); } // Collect texture coordinates data TextureCoordDimensionList textureCoordDimensions; SamplerSetList samplerSets; textureCoordDimensions.reserve(uvs.GetCount()); samplerSets.reserve(uvs.GetCount()); for (int i = 0; i < uvs.GetCount(); ++ i) { Vector3* samplerUVs = new Vector3[xsiMesh->geometry.GetNodeCount()]; samplerSets.push_back(samplerUVs); ClusterProperty uvProp = uvs[i]; CFloatArray uvValues; uvProp.GetValues(uvValues); String textureProjectionName = XSItoOgre(uvProp.GetName()); mTextureProjectionMap[textureProjectionName] = i; int usedDims = 0; for (int j = 0; j < xsiMesh->geometry.GetNodeCount(); ++j) { if ((samplerUVs[j].x = uvValues[j * 3]) != 0) usedDims |= 1; //u if ((samplerUVs[j].y = 1.0f - uvValues[j * 3 + 1]) != 0) usedDims |= 2; //v (invert) if ((samplerUVs[j].z = uvValues[j * 3 + 2]) != 0) usedDims |= 4; //w } if (usedDims & 4) // w textureCoordDimensions.push_back(3); else if (usedDims & 2) // v textureCoordDimensions.push_back(2); else // u textureCoordDimensions.push_back(1); } // Save transforms MATH::CTransformation xsiTransform = xsiMesh->transform; MATH::CTransformation rotTrans; rotTrans.SetRotation(xsiTransform.GetRotation()); // Bounds calculation Real squaredRadius = 0.0f; Vector3 min, max; bool first = true; UniqueVertex vertex; float progPerTri = (float)progressUpdates / xsiMesh->geometry.GetTriangleCount(); float prog = 0.0f; CLongArray polygonTriangleIndices; xsiMesh->geometry.GetPolygonTriangleIndices(polygonTriangleIndices); CLongArray triangleVertexIndices; xsiMesh->geometry.GetTriangleVertexIndices(triangleVertexIndices); CDoubleArray vertexPositions; xsiMesh->geometry.GetVertexPositions(vertexPositions); CRefArray vertexColours = xsiMesh->geometry.GetVertexColors(); bool hasVertexColours = vertexColours.GetCount() > 0? true : false; CFloatArray vertexColoursValues; if (hasVertexColours) { ClusterProperty c = vertexColours[0]; c.GetValues(vertexColoursValues); } CFloatArray nodeNormals; xsiMesh->geometry.GetNodeNormals(nodeNormals); CLongArray triangleNodeIndices; xsiMesh->geometry.GetTriangleNodeIndices(triangleNodeIndices); CLongArray polygonMaterialIndices; xsiMesh->geometry.GetPolygonMaterialIndices(polygonMaterialIndices); CRefArray materials = xsiMesh->geometry.GetMaterials(); ProtoSubMesh** materialToProtoSubMesh = new ProtoSubMesh*[materials.GetCount()]; for (LONG i = 0; i < materials.GetCount(); ++ i) materialToProtoSubMesh[i] = 0; CRefArray polygonClusters = xsiMesh->geometry.GetClusters(siClusterPolygonType); // Test for hidden polygons XSI::CBitArray hiddenPolygons(xsiMesh->geometry.GetPolygonCount()); for (LONG c = 0; c < polygonClusters.GetCount(); ++ c) { XSI::Cluster cluster = XSI::Cluster(polygonClusters[c]); XSI::CRef clsvisibility; if (cluster.GetProperties().Find(L"clsvisibility", clsvisibility) == CStatus::OK) { Property p(clsvisibility); if (!p.GetParameterValue(L"viewvis")) { XSI::CBitArray clusterPolys; cluster.GetGeometryElementFlags(clusterPolys); hiddenPolygons.Or(clusterPolys); } } } // Iterate through all the triangles for (long t = 0; t < xsiMesh->geometry.GetTriangleCount(); ++t) { // Skip the triangle if it relates to a hidden polygon if (hiddenPolygons[polygonTriangleIndices[t]]) continue; LONG polygonIndex = polygonTriangleIndices[t]; LONG materialIndex = polygonMaterialIndices[polygonIndex]; ProtoSubMesh* currentProto = materialToProtoSubMesh[materialIndex]; // Do we already have a protosubmesh for the material of this triangle? if (!currentProto) { CString SubMeshName = xsiMesh->name; XSI::Material m(materials[materialIndex]); // Use the name of the cluster as the submesh name for (LONG c = 0; c < polygonClusters.GetCount(); ++ c) { XSI::Cluster cluster = XSI::Cluster(polygonClusters[c]); if (cluster.GetMaterial().GetName() == m.GetName()) { LONG out_clusterIndex; cluster.FindIndex(polygonIndex, out_clusterIndex); if (out_clusterIndex != -1) { SubMeshName = cluster.GetName(); break; } } } currentProto = materialToProtoSubMesh[materialIndex] = createOrRetrieveProtoSubMesh( mMaterialPrefix + XSItoOgre(m.GetName()), XSItoOgre(SubMeshName), textureCoordDimensions, hasVertexColours); } // has this mesh been used in this proto before? if not set offset size_t positionIndexOffset; if (currentProto->lastMeshEntry == xsiMesh) { positionIndexOffset = currentProto->lastMeshIndexOffset; } else { // first time this has been used // since we assume we 100% process each polygon mesh before the next, // just use last pointer since faster in this section currentProto->lastMeshEntry = xsiMesh; positionIndexOffset = currentProto->indices.size(); currentProto->lastMeshIndexOffset = positionIndexOffset; // Also have to store this for future reference currentProto->polygonMeshOffsetMap[xsiMesh] = positionIndexOffset; } for (long p = 0; p < 3; ++p) { LONG posIndex = triangleVertexIndices[t * 3 + p]; // unique position index // Get position MATH::CVector3 xsipos(vertexPositions[posIndex * 3], vertexPositions[posIndex * 3 + 1], vertexPositions[posIndex * 3 + 2]); // Apply global SRT xsipos.MulByTransformationInPlace(xsiTransform); vertex.position = XSItoOgre(xsipos); // Get normal MATH::CVector3 xsinorm(nodeNormals[triangleNodeIndices[t * 3 + p] * 3], nodeNormals[triangleNodeIndices[t * 3 + p] * 3 + 1], nodeNormals[triangleNodeIndices[t * 3 + p] * 3 + 2]); // Apply global rotation xsinorm *= rotTrans; vertex.normal = XSItoOgre(xsinorm); for (size_t i = 0; i < textureCoordDimensions.size(); ++i) { // sampler indices can correctly dereference to sampler-order // uv sets we built earlier vertex.uv[i] = (samplerSets[i])[triangleNodeIndices[t * 3 + p]]; } if (hasVertexColours) { vertex.colour = XSItoOgre(CVertexColor((unsigned char)(vertexColoursValues[posIndex * 4] * 255), (unsigned char)(vertexColoursValues[posIndex * 4 + 1] * 255), (unsigned char)(vertexColoursValues[posIndex * 4 + 2] * 255), (unsigned char)(vertexColoursValues[posIndex * 4 + 3] * 255))); } // adjust index per offset, this makes position indices unique // per polymesh in teh same protosubmesh posIndex += positionIndexOffset; size_t index = createOrRetrieveUniqueVertex( currentProto, posIndex, true, vertex); currentProto->indices.push_back(index); // bounds if (first) { squaredRadius = vertex.position.squaredLength(); min = max = vertex.position; first = false; } else { squaredRadius = std::max(squaredRadius, vertex.position.squaredLength()); min.makeFloor(vertex.position); max.makeCeil(vertex.position); } } // Progress prog += progPerTri; while (prog >= 1.0f) { ProgressManager::getSingleton().progress(); prog -= 1.0f; } } // Merge bounds AxisAlignedBox box; box.setExtents(min, max); box.merge(pMesh->getBounds()); pMesh->_setBounds(box, false); pMesh->_setBoundingSphereRadius( std::max( pMesh->getBoundingSphereRadius(), Math::Sqrt(squaredRadius))); // Deal with any bone assignments if (lookForBoneAssignments) { processBoneAssignments(pMesh, xsiMesh); } // process any shape keys processShapeKeys(pMesh, xsiMesh); // free temp UV data now for(SamplerSetList::iterator s = samplerSets.begin(); s != samplerSets.end(); ++s) { // init sampler points delete [] *s; } samplerSets.clear(); textureCoordDimensions.clear(); } //----------------------------------------------------------------------- void XsiMeshExporter::processBoneAssignments(Mesh* pMesh, PolygonMeshEntry* xsiMesh) { // We have to iterate over the clusters which have envelope assignments // then, for each protosubmesh which uses this polymesh, we need to create // a bone assignment for each deformer, not forgetting to add one for // each duplicated copy of this vertex too // We build up a global list of deformers as we go which will get passed // back to the top-level caller to build a skeleton from later CRefArray clusterRefArray; // Filter to 'vertex' types xsiMesh->geometry.GetClusters().Filter( siVertexCluster,CStringArray(),L"",clusterRefArray); for(int i = 0; i < clusterRefArray.GetCount(); ++i) { Cluster cluster(clusterRefArray[i]); CRefArray envelopes = cluster.GetEnvelopes(); for (int e = 0; e < envelopes.GetCount(); ++e) { Envelope envelope(envelopes[e]); // Get mapping from cluster element index to geometry position index CLongArray derefArray = envelope.GetElements(CTime().GetTime()).GetArray(); CRefArray deformers = envelope.GetDeformers(); for (int d = 0; d < deformers.GetCount(); ++d) { X3DObject deformer(deformers[d]); // Has this deformer been allocated a boneID already? String deformerName = XSItoOgre(deformer.GetName()); DeformerMap::iterator di = mXsiDeformerMap.find(deformerName); DeformerEntry* deformerEntry; bool newDeformerEntry = false; bool atLeastOneAssignment = false; if (di == mXsiDeformerMap.end()) { deformerEntry = new DeformerEntry(mXsiDeformerMap.size(), deformer); deformerEntry->hasVertexAssignments = true; newDeformerEntry = true; } else { deformerEntry = di->second; } // Get the weights for this deformer CDoubleArray weights = envelope.GetDeformerWeights(deformer, CTime().GetTime()); // Weights are in order of cluster elements, we need to dereference // those to the original point index using the cluster element array for (int w = 0; w < weights.GetCount(); ++w) { size_t positionIndex = derefArray[w]; float weight = weights[w]; // Skip zero weights if (weight == 0.0f) continue; // Locate ProtoSubMeshes which use this mesh for (MaterialProtoSubMeshMap::iterator mi = mMaterialProtoSubmeshMap.begin(); mi != mMaterialProtoSubmeshMap.end(); ++mi) { for (ProtoSubMeshList::iterator psi = mi->second->begin(); psi != mi->second->end(); ++psi) { ProtoSubMesh* ps = *psi; ProtoSubMesh::PolygonMeshOffsetMap::iterator poli = ps->polygonMeshOffsetMap.find(xsiMesh); if (poli != ps->polygonMeshOffsetMap.end()) { // adjust index based on merging size_t adjIndex = positionIndex + poli->second; // look up real index // If it doesn't exist, it's probably on a seam // between clusters and we can safely skip it IndexRemap::iterator remi = ps->posIndexRemap.find(adjIndex); if (remi != ps->posIndexRemap.end()) { size_t vertIndex = remi->second; bool moreVerts = true; // add UniqueVertex and clones while (moreVerts) { UniqueVertex& vertex = ps->uniqueVertices[vertIndex]; VertexBoneAssignment vba; vba.boneIndex = deformerEntry->boneID; vba.vertexIndex = vertIndex; vba.weight = weight; ps->boneAssignments.insert( Mesh::VertexBoneAssignmentList::value_type(vertIndex, vba)); atLeastOneAssignment = true; if (vertex.nextIndex == 0) { moreVerts = false; } else { vertIndex = vertex.nextIndex; } } } } } } } // Only add new deformer if we actually had any assignments if (newDeformerEntry && atLeastOneAssignment) { mXsiDeformerMap[deformerName] = deformerEntry; } } } } } //----------------------------------------------------------------------- void XsiMeshExporter::processShapeKeys(Mesh* pMesh, PolygonMeshEntry* xsiMesh) { CRefArray shapeKeys = xsiMesh->geometry.GetShapeKeys(); for (int i = 0; i < shapeKeys.GetCount(); ++ i) { ShapeKey shapeKey = shapeKeys[i]; LogOgreAndXSI("Found shape key " + XSItoOgre(shapeKey.GetName())); // Locate ProtoSubMeshes which use this mesh for (MaterialProtoSubMeshMap::iterator mi = mMaterialProtoSubmeshMap.begin(); mi != mMaterialProtoSubmeshMap.end(); ++mi) { for (ProtoSubMeshList::iterator psi = mi->second->begin(); psi != mi->second->end(); ++psi) { ProtoSubMesh* ps = *psi; ProtoSubMesh::PolygonMeshOffsetMap::iterator poli = ps->polygonMeshOffsetMap.find(xsiMesh); if (poli != ps->polygonMeshOffsetMap.end()) { // remap from mesh vertex index to proto vertex index size_t indexAdjustment = poli->second; // Create a new pose, target is implied by proto, final // index to be determined later including merging Pose pose(0, XSItoOgre(shapeKey.GetName())); CBitArray affectedPoints; CFloatArray shapeValues; shapeKey.GetValues(shapeValues, affectedPoints); // automatically converted to object relative reference mode // Iterate per vertex affected LONG idxPoint = affectedPoints.GetIterator(); while (affectedPoints.GetNextTrueBit(idxPoint) ) { // Now get offset Vector3 offset(shapeValues[idxPoint * 3], shapeValues[idxPoint * 3 + 1], shapeValues[idxPoint * 3 + 2]); // Skip zero offsets if (offset == Vector3::ZERO) continue; // Convert to world space MATH::CVector3 off(offset.x, offset.y, offset.z); off.MulByTransformationInPlace(xsiMesh->transform); offset = XSItoOgre(off); // adjust index based on merging size_t adjIndex = idxPoint + indexAdjustment; // look up real index // If it doesn't exist, it's probably on a seam // between clusters and we can safely skip it IndexRemap::iterator remi = ps->posIndexRemap.find(adjIndex); if (remi != ps->posIndexRemap.end()) { size_t vertIndex = remi->second; bool moreVerts = true; // add UniqueVertex and clones while (moreVerts) { UniqueVertex& vertex = ps->uniqueVertices[vertIndex]; // Create a vertex pose entry pose.addVertex(vertIndex, offset); if (vertex.nextIndex == 0) { moreVerts = false; } else { vertIndex = vertex.nextIndex; } } // more duplicate verts } // found remap? } // for each vertex affected // Add pose to proto ps->poseList.push_back(pose); // record that we used this shape key ps->shapeKeys.Add(shapeKey); } // proto found? } // for each proto } } } //----------------------------------------------------------------------- void XsiMeshExporter::buildShapeClipList(ShapeClipList& listToPopulate) { // Process all mixers Model root = mXsiApp.GetActiveSceneRoot(); if (root.HasMixer()) { XSI::Mixer mixer = root.GetMixer(); buildShapeClipList(mixer, listToPopulate); } // Get all child models (recursive) CRefArray models = root.GetModels(); for (int m = 0; m < models.GetCount(); ++m) { Model model(models[m]); if (model.HasMixer()) { XSI::Mixer mixer = root.GetMixer(); buildShapeClipList(mixer, listToPopulate); } } } //----------------------------------------------------------------------- void XsiMeshExporter::buildShapeClipList(ClipContainer& container, ShapeClipList& listToPopulate) { CRefArray clips = container.GetClips(); for (int c = 0; c < clips.GetCount(); ++c) { if (clips[c].IsA(siClipContainerID)) { ClipContainer container(clips[c]); // cascade buildShapeClipList(container, listToPopulate); } else { XSI::Clip clip(clips[c]); XSI::CString clipType = clip.GetType(); if (clip.GetType() == siClipShapeType) { XSI::TimeControl timeControl = clip.GetTimeControl(); ShapeClipEntry sce; sce.clip = clip; sce.startFrame = sce.originalStartFrame = timeControl.GetStartOffset(); long length = (1.0 / timeControl.GetScale()) * (timeControl.GetClipOut() - timeControl.GetClipIn() + 1); sce.endFrame = sce.startFrame + length - 1; // Find link to shape sce.keytoPose = 0; ActionSource source(clip.GetSource()); CRefArray sourceItems = source.GetItems(); assert (sourceItems.GetCount() == 1 && "More than one source item on shape clip!"); AnimationSourceItem sourceItem(sourceItems[0]); // Source is the shape key // Locate this in the list we built while building poses for (ShapeKeyMapping::iterator skm = mShapeKeyMapping.begin(); skm != mShapeKeyMapping.end(); ++skm) { ShapeKeyToPoseEntry& mapping = *skm; if(mapping.shapeKey == sourceItem.GetSource()) { // bingo sce.keytoPose = &(*skm); } } listToPopulate.push_back(sce); } } } } //----------------------------------------------------------------------- void XsiMeshExporter::exportAnimations(Mesh* pMesh, AnimationList& animList, Real fps) { ShapeClipList clipList; buildShapeClipList(clipList); // Add all animations for (AnimationList::iterator i = animList.begin(); i != animList.end(); ++i) { // For each animation, we want to search for all shape clips using a // shape key which has been used AnimationEntry& animEntry = *i; Animation* anim = 0; // Iterate per submesh since we want to collect a track per submesh // Iterate over the 'target index' which is submesh index + 1 for (ushort targetIndex = 1; targetIndex <= pMesh->getNumSubMeshes(); ++targetIndex) { // find all shape clips for this submesh overlapping this time period // we'll clamp the clip too ShapeClipList submeshClipList; std::set keyframeList; deriveShapeClipAndKeyframeList(targetIndex, animEntry, clipList, submeshClipList, keyframeList); if (!submeshClipList.empty()) { // Create animation if we haven't already if (!anim) { Real len = (float)(animEntry.endFrame - animEntry.startFrame + 1) / fps; anim = pMesh->createAnimation(animEntry.animationName, len); } // Create track VertexAnimationTrack* track = anim->createVertexTrack(targetIndex, VAT_POSE); // Now sample all the clips on all the keyframes for (std::set::iterator k = keyframeList.begin(); k != keyframeList.end(); ++k) { // Create a key long frameNum = *k; Real keyTime = (float)(frameNum - animEntry.startFrame) / fps; VertexPoseKeyFrame* keyFrame = track->createVertexPoseKeyFrame(keyTime); // Sample all the clips for (ShapeClipList::iterator c = submeshClipList.begin(); c != submeshClipList.end(); ++c) { ShapeClipEntry& sce = *c; if(frameNum >= sce.startFrame && frameNum <= sce.endFrame) { // map the keyframe number to a local number long localFrameNum = frameNum - sce.originalStartFrame * sce.clip.GetTimeControl().GetScale(); // sample pose influences // Iterate over the animated parameters, find a 'weight' fcurve entry bool fcurveFound = false; CRefArray params = sce.clip.GetAnimatedParameters(); for (int p = 0; p < params.GetCount(); ++p) { Parameter param(params[p]); if (param.GetSource().IsA(siFCurveID)) { fcurveFound = true; FCurve fcurve(param.GetSource()); CValue val = fcurve.Eval(localFrameNum); if ((float)val != 0.0f) { keyFrame->addPoseReference( sce.keytoPose->poseIndex, val); } } } if (!fcurveFound) { // No fcurves, so just assume 1.0 weight since that's // how XSI deals with it keyFrame->addPoseReference(sce.keytoPose->poseIndex, 1.0f); } } } } } } } } //----------------------------------------------------------------------- void XsiMeshExporter::deriveShapeClipAndKeyframeList(ushort targetIndex, AnimationEntry& animEntry, ShapeClipList& inClipList, ShapeClipList& outClipList, std::set& keyFrameList) { for (ShapeClipList::iterator sci = inClipList.begin(); sci != inClipList.end(); ++sci) { ShapeClipEntry& sce = *sci; if (sce.startFrame <= animEntry.endFrame && sce.endFrame >= animEntry.startFrame && sce.keytoPose->targetHandle == targetIndex) { // Clip overlaps with the animation sampling area and // applies to this submesh ShapeClipEntry newClipEntry; newClipEntry.originalStartFrame = sce.startFrame; newClipEntry.startFrame = std::max(sce.startFrame, animEntry.startFrame); newClipEntry.endFrame = std::min(sce.endFrame, animEntry.endFrame); newClipEntry.clip = sce.clip; newClipEntry.keytoPose = sce.keytoPose; outClipList.push_back(newClipEntry); // Iterate over the animated parameters, find a 'weight' fcurve entry CRefArray params = sce.clip.GetAnimatedParameters(); for (int p = 0; p < params.GetCount(); ++p) { Parameter param(params[p]); if (param.GetSource().IsA(siFCurveID)) { FCurve fcurve(param.GetSource()); CRefArray keys = fcurve.GetKeys(); for (int k = 0; k < keys.GetCount(); ++k) { FCurveKey key(keys[k]); // convert from key time to global frame number CTime time = key.GetTime(); long frameNum = (long)((double)(time.GetTime() + sce.startFrame) / sce.clip.GetTimeControl().GetScale()); keyFrameList.insert(frameNum); } } } } } // Always sample start & end frames keyFrameList.insert(animEntry.startFrame); keyFrameList.insert(animEntry.endFrame); } //----------------------------------------------------------------------- void XsiMeshExporter::exportProtoSubMeshes(Mesh* pMesh) { // Take the list of ProtoSubMesh instances and bake a SubMesh per // instance, then clear the list for (MaterialProtoSubMeshMap::iterator mi = mMaterialProtoSubmeshMap.begin(); mi != mMaterialProtoSubmeshMap.end(); ++mi) { for (ProtoSubMeshList::iterator psi = mi->second->begin(); psi != mi->second->end(); ++psi) { // export each one exportProtoSubMesh(pMesh, *psi); // free it delete *psi; } // delete proto list delete mi->second; } mMaterialProtoSubmeshMap.clear(); } //----------------------------------------------------------------------- void XsiMeshExporter::exportProtoSubMesh(Mesh* pMesh, ProtoSubMesh* proto) { // Skip protos which have ended up empty if (proto->indices.empty()) return; SubMesh* sm = 0; if (proto->name.empty()) { // anonymous submesh sm = pMesh->createSubMesh(); } else { // named submesh sm = pMesh->createSubMesh(proto->name); } // Set material sm->setMaterialName(proto->materialName); // never use shared geometry sm->useSharedVertices = false; sm->vertexData = new VertexData(); // always do triangle list sm->indexData->indexCount = proto->indices.size(); sm->vertexData->vertexCount = proto->uniqueVertices.size(); // Determine index size bool use32BitIndexes = false; if (proto->uniqueVertices.size() > 65536) { use32BitIndexes = true; } sm->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer( use32BitIndexes ? HardwareIndexBuffer::IT_32BIT : HardwareIndexBuffer::IT_16BIT, sm->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY); if (use32BitIndexes) { uint32* pIdx = static_cast( sm->indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD)); writeIndexes(pIdx, proto->indices); sm->indexData->indexBuffer->unlock(); } else { uint16* pIdx = static_cast( sm->indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD)); writeIndexes(pIdx, proto->indices); sm->indexData->indexBuffer->unlock(); } // define vertex declaration unsigned buf = 0; size_t offset = 0; // always add position and normal sm->vertexData->vertexDeclaration->addElement(buf, offset, VET_FLOAT3, VES_POSITION); offset += VertexElement::getTypeSize(VET_FLOAT3); // Split vertex data after position if poses present if (!proto->poseList.empty()) { buf++; offset = 0; } sm->vertexData->vertexDeclaration->addElement(buf, offset, VET_FLOAT3, VES_NORMAL); offset += VertexElement::getTypeSize(VET_FLOAT3); // split vertex data here if animated if (pMesh->hasSkeleton()) { buf++; offset = 0; } // Optional vertex colour if(proto->hasVertexColours) { sm->vertexData->vertexDeclaration->addElement(buf, offset, VET_COLOUR, VES_DIFFUSE); offset += VertexElement::getTypeSize(VET_COLOUR); } // Define UVs for (unsigned short uvi = 0; uvi < proto->textureCoordDimensions.size(); ++uvi) { VertexElementType uvType = VertexElement::multiplyTypeCount( VET_FLOAT1, proto->textureCoordDimensions[uvi]); sm->vertexData->vertexDeclaration->addElement( buf, offset, uvType, VES_TEXTURE_COORDINATES, uvi); offset += VertexElement::getTypeSize(uvType); } // create & fill buffer(s) for (unsigned short b = 0; b <= sm->vertexData->vertexDeclaration->getMaxSource(); ++b) { createVertexBuffer(sm->vertexData, b, proto->uniqueVertices); } // deal with any bone assignments if (!proto->boneAssignments.empty()) { // rationalise first (normalises and strips out any excessive bones) sm->parent->_rationaliseBoneAssignments( sm->vertexData->vertexCount, proto->boneAssignments); for (Mesh::VertexBoneAssignmentList::iterator bi = proto->boneAssignments.begin(); bi != proto->boneAssignments.end(); ++bi) { sm->addBoneAssignment(bi->second); } } // poses // derive target index (current submesh index + 1 since 0 is shared geom) ushort targetIndex = pMesh->getNumSubMeshes(); ushort sk = 0; for (std::list::iterator pi = proto->poseList.begin(); pi != proto->poseList.end(); ++pi, ++sk) { Pose* pose = pMesh->createPose(targetIndex, pi->getName()); Pose::VertexOffsetIterator vertIt = pi->getVertexOffsetIterator(); while (vertIt.hasMoreElements()) { pose->addVertex(vertIt.peekNextKey(), vertIt.peekNextValue()); vertIt.getNext(); } // record shape key to pose mapping for animation later ShapeKeyToPoseEntry se; se.shapeKey = proto->shapeKeys[sk]; se.poseIndex = pMesh->getPoseCount() - 1; se.targetHandle = targetIndex; mShapeKeyMapping.push_back(se); } } //----------------------------------------------------------------------- void XsiMeshExporter::buildPolygonMeshList(bool includeChildren) { Selection sel(mXsiApp.GetSelection()); if (sel.GetCount() == 0) { // Whole scene // Derive the scene root X3DObject sceneRoot(mXsiApp.GetActiveSceneRoot()); findPolygonMeshes(sceneRoot, true); } else { // iterate over selection for (int i = 0; i < sel.GetCount(); ++i) { X3DObject obj(sel[i]); findPolygonMeshes(obj,includeChildren); } } } //----------------------------------------------------------------------- void XsiMeshExporter::findPolygonMeshes(X3DObject& x3dObj, bool recurse) { // Check validity of current object if (!x3dObj.IsValid()) { OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Invalid X3DObject found", "XsiMeshExporter::exportX3DObject"); } // Log a message in script window CString name = x3dObj.GetName() ; LogOgreAndXSI(L"-- Traversing " + name) ; // locate any geometry if (!x3dObj.IsA(siCameraID) && !x3dObj.IsA(siLightID) && !x3dObj.IsA(siNullID) && !x3dObj.IsA(siModelID)) { Primitive prim(x3dObj.GetActivePrimitive()); if (prim.IsValid()) { Geometry geom(prim.GetGeometry()); if (geom.GetRef().GetClassID() == siPolygonMeshID) { // Find the current level of subdivision LONG subd = 0; XSI::CRef geomapprox; if (x3dObj.GetProperties().Find(L"geomapprox", geomapprox) == CStatus::OK) { Property p(geomapprox); subd = p.GetParameterValue(L"gapproxmosl"); } // add it to the list PolygonMesh pmesh(geom); mXsiPolygonMeshList.insert( new PolygonMeshEntry(x3dObj.GetName(), x3dObj.GetKinematics().GetGlobal().GetTransform(), pmesh.GetGeometryAccessor(siConstructionModeSecondaryShape, siCatmullClark, subd))); LogOgreAndXSI(L"-- Queueing " + name) ; } } } // Cascade into children if (recurse) { CRefArray children = x3dObj.GetChildren(); for(long i = 0; i < children.GetCount(); i++) { X3DObject childObj = children[i]; findPolygonMeshes(childObj, recurse); } } } //----------------------------------------------------------------------- void XsiMeshExporter::cleanupPolygonMeshList(void) { for (PolygonMeshList::iterator pm = mXsiPolygonMeshList.begin(); pm != mXsiPolygonMeshList.end(); ++pm) { delete *pm; } mXsiPolygonMeshList.clear(); } //----------------------------------------------------------------------- void XsiMeshExporter::cleanupDeformerMap(void) { for (DeformerMap::iterator d = mXsiDeformerMap.begin(); d != mXsiDeformerMap.end(); ++d) { delete d->second; } mXsiDeformerMap.clear(); } //----------------------------------------------------------------------- void XsiMeshExporter::cleanupMaterialMap(void) { for (MaterialMap::iterator d = mXsiMaterialMap.begin(); d != mXsiMaterialMap.end(); ++d) { delete d->second; } mXsiMaterialMap.clear(); } //----------------------------------------------------------------------- void XsiMeshExporter::deriveSamplerIndices(const Triangle& tri, const PolygonFace& face, size_t* samplerIndices) { //We want to find what is the SampleIndex associated with 3 //vertex in a Triangle CPointRefArray facePoints = face.GetPoints(); //Get the position of the 3 vertex in the triangle MATH::CVector3Array triPos = tri.GetPositionArray(); //Get the position of the N Points in the polygon MATH::CVector3Array facePos = facePoints.GetPositionArray(); //To know if the 3 vertex have a point in the same position bool found[3]; found[0] = false; found[1] = false; found[2] = false; int p,t; //For the 3 triangle vertices for(t=0; t<3 ; t++) { //for each polygon point for(p=0; p void XsiMeshExporter::writeIndexes(T* buf, IndexList& indexes) { IndexList::const_iterator i, iend; iend = indexes.end(); for (i = indexes.begin(); i != iend; ++i) { *buf++ = static_cast(*i); } } //----------------------------------------------------------------------- void XsiMeshExporter::createVertexBuffer(VertexData* vd, unsigned short bufIdx, UniqueVertexList& uniqueVertexList) { HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().createVertexBuffer( vd->vertexDeclaration->getVertexSize(bufIdx), vd->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY); vd->vertexBufferBinding->setBinding(bufIdx, vbuf); size_t vertexSize = vd->vertexDeclaration->getVertexSize(bufIdx); char* pBase = static_cast( vbuf->lock(HardwareBuffer::HBL_DISCARD)); VertexDeclaration::VertexElementList elems = vd->vertexDeclaration->findElementsBySource(bufIdx); VertexDeclaration::VertexElementList::iterator ei, eiend; eiend = elems.end(); float* pFloat; RGBA* pRGBA; UniqueVertexList::iterator srci = uniqueVertexList.begin(); for (size_t v = 0; v < vd->vertexCount; ++v, ++srci) { for (ei = elems.begin(); ei != eiend; ++ei) { VertexElement& elem = *ei; switch(elem.getSemantic()) { case VES_POSITION: elem.baseVertexPointerToElement(pBase, &pFloat); *pFloat++ = srci->position.x; *pFloat++ = srci->position.y; *pFloat++ = srci->position.z; break; case VES_NORMAL: elem.baseVertexPointerToElement(pBase, &pFloat); *pFloat++ = srci->normal.x; *pFloat++ = srci->normal.y; *pFloat++ = srci->normal.z; break; case VES_DIFFUSE: elem.baseVertexPointerToElement(pBase, &pRGBA); *pRGBA = srci->colour; break; case VES_TEXTURE_COORDINATES: elem.baseVertexPointerToElement(pBase, &pFloat); for (int t = 0; t < VertexElement::getTypeCount(elem.getType()); ++t) { Real val = srci->uv[elem.getIndex()][t]; *pFloat++ = val; } break; } } pBase += vertexSize; } vbuf->unlock(); } //----------------------------------------------------------------------- size_t XsiMeshExporter::createOrRetrieveUniqueVertex( ProtoSubMesh* proto, size_t positionIndex, bool positionIndexIsOriginal, const UniqueVertex& vertex) { size_t lookupIndex; if (positionIndexIsOriginal) { // look up the original index IndexRemap::iterator remapi = proto->posIndexRemap.find(positionIndex); if (remapi == proto->posIndexRemap.end()) { // not found, add size_t realIndex = proto->uniqueVertices.size(); // add remap entry so we can find this again proto->posIndexRemap[positionIndex] = realIndex; proto->uniqueVertices.push_back(vertex); return realIndex; } else { // Found existing mapping lookupIndex = remapi->second; } } else { // Not an original index, index is real lookupIndex = positionIndex; } // If we get here, either the position isn't an original index (ie // we've already found that it doesn't match, and have cascaded) // or there is an existing entry // Get existing UniqueVertex& orig = proto->uniqueVertices[lookupIndex]; // Compare, do we have the same details? if (orig == vertex) { // ok, they match return lookupIndex; } else { // no match, go to next or create new if (orig.nextIndex) { // cascade to the next candidate (which is a real index, not an original) return createOrRetrieveUniqueVertex( proto, orig.nextIndex, false, vertex); } else { // No more cascades to check, must be a new one // get new index size_t realIndex = proto->uniqueVertices.size(); orig.nextIndex = realIndex; // create new (NB invalidates 'orig' reference) proto->uniqueVertices.push_back(vertex); // note, don't add to remap, that's only for finding the // first entry, nextIndex is used to chain to the others return realIndex; } } } //----------------------------------------------------------------------- void XsiMeshExporter::registerMaterial(const String& name, XSI::Material mat) { // Check we have a real-time shader based material first XSI::Parameter rtParam = mat.GetParameter(L"RealTime"); if(rtParam.GetSource().IsValid() && rtParam.GetSource().IsA(XSI::siShaderID)) { MaterialMap::iterator i = mXsiMaterialMap.find(name); if (i == mXsiMaterialMap.end()) { // Add this one to the list MaterialEntry* matEntry = new MaterialEntry(); matEntry->name = name; matEntry->xsiShader = XSI::Shader(rtParam.GetSource()); mXsiMaterialMap[name] = matEntry; } } } }