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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/Ogre/OgreXmlSerializer.cpp')
| -rw-r--r-- | src/mesh/assimp-master/code/AssetLib/Ogre/OgreXmlSerializer.cpp | 755 |
1 files changed, 0 insertions, 755 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/Ogre/OgreXmlSerializer.cpp b/src/mesh/assimp-master/code/AssetLib/Ogre/OgreXmlSerializer.cpp deleted file mode 100644 index 545107e..0000000 --- a/src/mesh/assimp-master/code/AssetLib/Ogre/OgreXmlSerializer.cpp +++ /dev/null @@ -1,755 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#include "OgreXmlSerializer.h" -#include "OgreBinarySerializer.h" -#include "OgreParsingUtils.h" - -#include <assimp/TinyFormatter.h> -#include <assimp/DefaultLogger.hpp> - -#include <memory> - -#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER - -// Define as 1 to get verbose logging. -#define OGRE_XML_SERIALIZER_DEBUG 0 - -namespace Assimp { -namespace Ogre { - -//AI_WONT_RETURN void ThrowAttibuteError(const XmlParser *reader, const std::string &name, const std::string &error = "") AI_WONT_RETURN_SUFFIX; - -AI_WONT_RETURN void ThrowAttibuteError(const std::string &nodeName, const std::string &name, const std::string &error) { - if (!error.empty()) { - throw DeadlyImportError(error, " in node '", nodeName, "' and attribute '", name, "'"); - } else { - throw DeadlyImportError("Attribute '", name, "' does not exist in node '", nodeName, "'"); - } -} - -template <> -int32_t OgreXmlSerializer::ReadAttribute<int32_t>(XmlNode &xmlNode, const char *name) const { - if (!XmlParser::hasAttribute(xmlNode, name)) { - ThrowAttibuteError(xmlNode.name(), name, "Not found"); - } - pugi::xml_attribute attr = xmlNode.attribute(name); - return static_cast<int32_t>(attr.as_int()); -} - -template <> -uint32_t OgreXmlSerializer::ReadAttribute<uint32_t>(XmlNode &xmlNode, const char *name) const { - if (!XmlParser::hasAttribute(xmlNode, name)) { - ThrowAttibuteError(xmlNode.name(), name, "Not found"); - } - - // @note This is hackish. But we are never expecting unsigned values that go outside the - // int32_t range. Just monitor for negative numbers and kill the import. - int32_t temp = ReadAttribute<int32_t>(xmlNode, name); - if (temp < 0) { - ThrowAttibuteError(xmlNode.name(), name, "Found a negative number value where expecting a uint32_t value"); - } - - return static_cast<uint32_t>(temp); -} - -template <> -uint16_t OgreXmlSerializer::ReadAttribute<uint16_t>(XmlNode &xmlNode, const char *name) const { - if (!XmlParser::hasAttribute(xmlNode, name)) { - ThrowAttibuteError(xmlNode.name(), name, "Not found"); - } - - return static_cast<uint16_t>(xmlNode.attribute(name).as_int()); -} - -template <> -float OgreXmlSerializer::ReadAttribute<float>(XmlNode &xmlNode, const char *name) const { - if (!XmlParser::hasAttribute(xmlNode, name)) { - ThrowAttibuteError(xmlNode.name(), name, "Not found"); - } - - return xmlNode.attribute(name).as_float(); -} - -template <> -std::string OgreXmlSerializer::ReadAttribute<std::string>(XmlNode &xmlNode, const char *name) const { - if (!XmlParser::hasAttribute(xmlNode, name)) { - ThrowAttibuteError(xmlNode.name(), name, "Not found"); - } - - return xmlNode.attribute(name).as_string(); -} - -template <> -bool OgreXmlSerializer::ReadAttribute<bool>(XmlNode &xmlNode, const char *name) const { - std::string value = ai_tolower(ReadAttribute<std::string>(xmlNode, name)); - if (ASSIMP_stricmp(value, "true") == 0) { - return true; - } else if (ASSIMP_stricmp(value, "false") == 0) { - return false; - } - - ThrowAttibuteError(xmlNode.name(), name, "Boolean value is expected to be 'true' or 'false', encountered '" + value + "'"); - return false; -} - -// Mesh XML constants - -// <mesh> -static const char *nnMesh = "mesh"; -static const char *nnSharedGeometry = "sharedgeometry"; -static const char *nnSubMeshes = "submeshes"; -static const char *nnSubMesh = "submesh"; -//static const char *nnSubMeshNames = "submeshnames"; -static const char *nnSkeletonLink = "skeletonlink"; -//static const char *nnLOD = "levelofdetail"; -//static const char *nnExtremes = "extremes"; -//static const char *nnPoses = "poses"; -static const char *nnAnimations = "animations"; - -// <submesh> -static const char *nnFaces = "faces"; -static const char *nnFace = "face"; -static const char *nnGeometry = "geometry"; -//static const char *nnTextures = "textures"; - -// <mesh/submesh> -static const char *nnBoneAssignments = "boneassignments"; - -// <sharedgeometry/geometry> -static const char *nnVertexBuffer = "vertexbuffer"; - -// <vertexbuffer> -//static const char *nnVertex = "vertex"; -static const char *nnPosition = "position"; -static const char *nnNormal = "normal"; -static const char *nnTangent = "tangent"; -//static const char *nnBinormal = "binormal"; -static const char *nnTexCoord = "texcoord"; -//static const char *nnColorDiffuse = "colour_diffuse"; -//static const char *nnColorSpecular = "colour_specular"; - -// <boneassignments> -static const char *nnVertexBoneAssignment = "vertexboneassignment"; - -// Skeleton XML constants - -// <skeleton> -static const char *nnSkeleton = "skeleton"; -static const char *nnBones = "bones"; -static const char *nnBoneHierarchy = "bonehierarchy"; -//static const char *nnAnimationLinks = "animationlinks"; - -// <bones> -static const char *nnBone = "bone"; -static const char *nnRotation = "rotation"; -static const char *nnAxis = "axis"; -static const char *nnScale = "scale"; - -// <bonehierarchy> -static const char *nnBoneParent = "boneparent"; - -// <animations> -static const char *nnAnimation = "animation"; -static const char *nnTracks = "tracks"; - -// <tracks> -static const char *nnTrack = "track"; -static const char *nnKeyFrames = "keyframes"; -static const char *nnKeyFrame = "keyframe"; -static const char *nnTranslate = "translate"; -static const char *nnRotate = "rotate"; - -// Common XML constants -static const char *anX = "x"; -static const char *anY = "y"; -static const char *anZ = "z"; - -// Mesh - -OgreXmlSerializer::OgreXmlSerializer(XmlParser *parser) : - mParser(parser) { - // empty -} - -MeshXml *OgreXmlSerializer::ImportMesh(XmlParser *parser) { - if (nullptr == parser) { - return nullptr; - } - - OgreXmlSerializer serializer(parser); - - MeshXml *mesh = new MeshXml(); - serializer.ReadMesh(mesh); - - return mesh; -} - -void OgreXmlSerializer::ReadMesh(MeshXml *mesh) { - XmlNode root = mParser->getRootNode(); - if (nullptr == root) { - throw DeadlyImportError("Root node is <" + std::string(root.name()) + "> expecting <mesh>"); - } - - XmlNode startNode = root.child(nnMesh); - if (startNode.empty()) { - throw DeadlyImportError("Root node is <" + std::string(root.name()) + "> expecting <mesh>"); - } - for (XmlNode currentNode : startNode.children()) { - const std::string currentName = currentNode.name(); - if (currentName == nnSharedGeometry) { - mesh->sharedVertexData = new VertexDataXml(); - ReadGeometry(currentNode, mesh->sharedVertexData); - } else if (currentName == nnSubMeshes) { - for (XmlNode &subMeshesNode : currentNode.children()) { - const std::string ¤tSMName = subMeshesNode.name(); - if (currentSMName == nnSubMesh) { - ReadSubMesh(subMeshesNode, mesh); - } - } - } else if (currentName == nnBoneAssignments) { - ReadBoneAssignments(currentNode, mesh->sharedVertexData); - } else if (currentName == nnSkeletonLink) { - } - } - - ASSIMP_LOG_VERBOSE_DEBUG("Reading Mesh"); -} - -void OgreXmlSerializer::ReadGeometry(XmlNode &node, VertexDataXml *dest) { - dest->count = ReadAttribute<uint32_t>(node, "vertexcount"); - ASSIMP_LOG_VERBOSE_DEBUG(" - Reading geometry of ", dest->count, " vertices"); - - for (XmlNode currentNode : node.children()) { - const std::string ¤tName = currentNode.name(); - if (currentName == nnVertexBuffer) { - ReadGeometryVertexBuffer(currentNode, dest); - } - } -} - -void OgreXmlSerializer::ReadGeometryVertexBuffer(XmlNode &node, VertexDataXml *dest) { - bool positions = (XmlParser::hasAttribute(node, "positions") && ReadAttribute<bool>(node, "positions")); - bool normals = (XmlParser::hasAttribute(node, "normals") && ReadAttribute<bool>(node, "normals")); - bool tangents = (XmlParser::hasAttribute(node, "tangents") && ReadAttribute<bool>(node, "tangents")); - uint32_t uvs = (XmlParser::hasAttribute(node, "texture_coords") ? ReadAttribute<uint32_t>(node, "texture_coords") : 0); - - // Not having positions is a error only if a previous vertex buffer did not have them. - if (!positions && !dest->HasPositions()) { - throw DeadlyImportError("Vertex buffer does not contain positions!"); - } - - if (positions) { - ASSIMP_LOG_VERBOSE_DEBUG(" - Contains positions"); - dest->positions.reserve(dest->count); - } - if (normals) { - ASSIMP_LOG_VERBOSE_DEBUG(" - Contains normals"); - dest->normals.reserve(dest->count); - } - if (tangents) { - ASSIMP_LOG_VERBOSE_DEBUG(" - Contains tangents"); - dest->tangents.reserve(dest->count); - } - if (uvs > 0) { - ASSIMP_LOG_VERBOSE_DEBUG(" - Contains ", uvs, " texture coords"); - dest->uvs.resize(uvs); - for (size_t i = 0, len = dest->uvs.size(); i < len; ++i) { - dest->uvs[i].reserve(dest->count); - } - } - - for (XmlNode currentNode : node.children("vertex")) { - for (XmlNode vertexNode : currentNode.children()) { - const std::string ¤tName = vertexNode.name(); - if (positions && currentName == nnPosition) { - aiVector3D pos; - pos.x = ReadAttribute<float>(vertexNode, anX); - pos.y = ReadAttribute<float>(vertexNode, anY); - pos.z = ReadAttribute<float>(vertexNode, anZ); - dest->positions.push_back(pos); - } else if (normals && currentName == nnNormal) { - aiVector3D normal; - normal.x = ReadAttribute<float>(vertexNode, anX); - normal.y = ReadAttribute<float>(vertexNode, anY); - normal.z = ReadAttribute<float>(vertexNode, anZ); - dest->normals.push_back(normal); - } else if (tangents && currentName == nnTangent) { - aiVector3D tangent; - tangent.x = ReadAttribute<float>(vertexNode, anX); - tangent.y = ReadAttribute<float>(vertexNode, anY); - tangent.z = ReadAttribute<float>(vertexNode, anZ); - dest->tangents.push_back(tangent); - } else if (uvs > 0 && currentName == nnTexCoord) { - for (auto &curUvs : dest->uvs) { - aiVector3D uv; - uv.x = ReadAttribute<float>(vertexNode, "u"); - uv.y = (ReadAttribute<float>(vertexNode, "v") * -1) + 1; // Flip UV from Ogre to Assimp form - curUvs.push_back(uv); - } - } - } - } - - // Sanity checks - if (dest->positions.size() != dest->count) { - throw DeadlyImportError("Read only ", dest->positions.size(), " positions when should have read ", dest->count); - } - if (normals && dest->normals.size() != dest->count) { - throw DeadlyImportError("Read only ", dest->normals.size(), " normals when should have read ", dest->count); - } - if (tangents && dest->tangents.size() != dest->count) { - throw DeadlyImportError("Read only ", dest->tangents.size(), " tangents when should have read ", dest->count); - } - for (unsigned int i = 0; i < dest->uvs.size(); ++i) { - if (dest->uvs[i].size() != dest->count) { - throw DeadlyImportError("Read only ", dest->uvs[i].size(), - " uvs for uv index ", i, " when should have read ", dest->count); - } - } -} - -void OgreXmlSerializer::ReadSubMesh(XmlNode &node, MeshXml *mesh) { - static const char *anMaterial = "material"; - static const char *anUseSharedVertices = "usesharedvertices"; - static const char *anCount = "count"; - static const char *anV1 = "v1"; - static const char *anV2 = "v2"; - static const char *anV3 = "v3"; - static const char *anV4 = "v4"; - - SubMeshXml *submesh = new SubMeshXml(); - - if (XmlParser::hasAttribute(node, anMaterial)) { - submesh->materialRef = ReadAttribute<std::string>(node, anMaterial); - } - if (XmlParser::hasAttribute(node, anUseSharedVertices)) { - submesh->usesSharedVertexData = ReadAttribute<bool>(node, anUseSharedVertices); - } - - ASSIMP_LOG_VERBOSE_DEBUG("Reading SubMesh ", mesh->subMeshes.size()); - ASSIMP_LOG_VERBOSE_DEBUG(" - Material: '", submesh->materialRef, "'"); - ASSIMP_LOG_VERBOSE_DEBUG(" - Uses shared geometry: ", (submesh->usesSharedVertexData ? "true" : "false")); - - // TODO: maybe we have always just 1 faces and 1 geometry and always in this order. this loop will only work correct, when the order - // of faces and geometry changed, and not if we have more than one of one - /// @todo Fix above comment with better read logic below - - bool quadWarned = false; - - for (XmlNode ¤tNode : node.children()) { - const std::string ¤tName = currentNode.name(); - if (currentName == nnFaces) { - submesh->indexData->faceCount = ReadAttribute<uint32_t>(currentNode, anCount); - submesh->indexData->faces.reserve(submesh->indexData->faceCount); - for (XmlNode currentChildNode : currentNode.children()) { - const std::string ¤tChildName = currentChildNode.name(); - if (currentChildName == nnFace) { - aiFace face; - face.mNumIndices = 3; - face.mIndices = new unsigned int[3]; - face.mIndices[0] = ReadAttribute<uint32_t>(currentChildNode, anV1); - face.mIndices[1] = ReadAttribute<uint32_t>(currentChildNode, anV2); - face.mIndices[2] = ReadAttribute<uint32_t>(currentChildNode, anV3); - /// @todo Support quads if Ogre even supports them in XML (I'm not sure but I doubt it) - if (!quadWarned && XmlParser::hasAttribute(currentChildNode, anV4)) { - ASSIMP_LOG_WARN("Submesh <face> has quads with <v4>, only triangles are supported at the moment!"); - quadWarned = true; - } - submesh->indexData->faces.push_back(face); - } - } - if (submesh->indexData->faces.size() == submesh->indexData->faceCount) { - ASSIMP_LOG_VERBOSE_DEBUG(" - Faces ", submesh->indexData->faceCount); - } else { - throw DeadlyImportError("Read only ", submesh->indexData->faces.size(), " faces when should have read ", submesh->indexData->faceCount); - } - } else if (currentName == nnGeometry) { - if (submesh->usesSharedVertexData) { - throw DeadlyImportError("Found <geometry> in <submesh> when use shared geometry is true. Invalid mesh file."); - } - - submesh->vertexData = new VertexDataXml(); - ReadGeometry(currentNode, submesh->vertexData); - } else if (currentName == nnBoneAssignments) { - ReadBoneAssignments(currentNode, submesh->vertexData); - } - } - - submesh->index = static_cast<unsigned int>(mesh->subMeshes.size()); - mesh->subMeshes.push_back(submesh); -} - -void OgreXmlSerializer::ReadBoneAssignments(XmlNode &node, VertexDataXml *dest) { - if (!dest) { - throw DeadlyImportError("Cannot read bone assignments, vertex data is null."); - } - - static const char *anVertexIndex = "vertexindex"; - static const char *anBoneIndex = "boneindex"; - static const char *anWeight = "weight"; - - std::set<uint32_t> influencedVertices; - for (XmlNode ¤tNode : node.children()) { - const std::string ¤tName = currentNode.name(); - if (currentName == nnVertexBoneAssignment) { - VertexBoneAssignment ba; - ba.vertexIndex = ReadAttribute<uint32_t>(currentNode, anVertexIndex); - ba.boneIndex = ReadAttribute<uint16_t>(currentNode, anBoneIndex); - ba.weight = ReadAttribute<float>(currentNode, anWeight); - - dest->boneAssignments.push_back(ba); - influencedVertices.insert(ba.vertexIndex); - } - } - - /** Normalize bone weights. - Some exporters won't care if the sum of all bone weights - for a single vertex equals 1 or not, so validate here. */ - const float epsilon = 0.05f; - for (const uint32_t vertexIndex : influencedVertices) { - float sum = 0.0f; - for (VertexBoneAssignmentList::const_iterator baIter = dest->boneAssignments.begin(), baEnd = dest->boneAssignments.end(); baIter != baEnd; ++baIter) { - if (baIter->vertexIndex == vertexIndex) - sum += baIter->weight; - } - if ((sum < (1.0f - epsilon)) || (sum > (1.0f + epsilon))) { - for (auto &boneAssign : dest->boneAssignments) { - if (boneAssign.vertexIndex == vertexIndex) - boneAssign.weight /= sum; - } - } - } - - ASSIMP_LOG_VERBOSE_DEBUG(" - ", dest->boneAssignments.size(), " bone assignments"); -} - -// Skeleton - -bool OgreXmlSerializer::ImportSkeleton(Assimp::IOSystem *pIOHandler, MeshXml *mesh) { - if (!mesh || mesh->skeletonRef.empty()) - return false; - - // Highly unusual to see in read world cases but support - // XML mesh referencing a binary skeleton file. - if (EndsWith(mesh->skeletonRef, ".skeleton", false)) { - if (OgreBinarySerializer::ImportSkeleton(pIOHandler, mesh)) - return true; - - /** Last fallback if .skeleton failed to be read. Try reading from - .skeleton.xml even if the XML file referenced a binary skeleton. - @note This logic was in the previous version and I don't want to break - old code that might depends on it. */ - mesh->skeletonRef = mesh->skeletonRef + ".xml"; - } - - XmlParserPtr xmlParser = OpenXmlParser(pIOHandler, mesh->skeletonRef); - if (!xmlParser.get()) - return false; - - Skeleton *skeleton = new Skeleton(); - OgreXmlSerializer serializer(xmlParser.get()); - XmlNode root = xmlParser->getRootNode(); - serializer.ReadSkeleton(root, skeleton); - mesh->skeleton = skeleton; - return true; -} - -bool OgreXmlSerializer::ImportSkeleton(Assimp::IOSystem *pIOHandler, Mesh *mesh) { - if (!mesh || mesh->skeletonRef.empty()) { - return false; - } - - XmlParserPtr xmlParser = OpenXmlParser(pIOHandler, mesh->skeletonRef); - if (!xmlParser.get()) { - return false; - } - - Skeleton *skeleton = new Skeleton(); - OgreXmlSerializer serializer(xmlParser.get()); - XmlNode root = xmlParser->getRootNode(); - - serializer.ReadSkeleton(root, skeleton); - mesh->skeleton = skeleton; - - return true; -} - -XmlParserPtr OgreXmlSerializer::OpenXmlParser(Assimp::IOSystem *pIOHandler, const std::string &filename) { - if (!EndsWith(filename, ".skeleton.xml", false)) { - ASSIMP_LOG_ERROR("Imported Mesh is referencing to unsupported '", filename, "' skeleton file."); - return XmlParserPtr(); - } - - if (!pIOHandler->Exists(filename)) { - ASSIMP_LOG_ERROR("Failed to find skeleton file '", filename, "' that is referenced by imported Mesh."); - return XmlParserPtr(); - } - - std::unique_ptr<IOStream> file(pIOHandler->Open(filename)); - if (!file.get()) { - throw DeadlyImportError("Failed to open skeleton file ", filename); - } - - XmlParserPtr xmlParser = std::make_shared<XmlParser>(); - if (!xmlParser->parse(file.get())) { - throw DeadlyImportError("Failed to create XML reader for skeleton file " + filename); - } - return xmlParser; -} - -void OgreXmlSerializer::ReadSkeleton(XmlNode &node, Skeleton *skeleton) { - if (node.name() != nnSkeleton) { - throw DeadlyImportError("Root node is <" + std::string(node.name()) + "> expecting <skeleton>"); - } - - ASSIMP_LOG_VERBOSE_DEBUG("Reading Skeleton"); - - // Optional blend mode from root node - if (XmlParser::hasAttribute(node, "blendmode")) { - skeleton->blendMode = (ai_tolower(ReadAttribute<std::string>(node, "blendmode")) == "cumulative" ? Skeleton::ANIMBLEND_CUMULATIVE : Skeleton::ANIMBLEND_AVERAGE); - } - - for (XmlNode ¤tNode : node.children()) { - const std::string currentName = currentNode.name(); - if (currentName == nnBones) { - ReadBones(currentNode, skeleton); - } else if (currentName == nnBoneHierarchy) { - ReadBoneHierarchy(currentNode, skeleton); - } else if (currentName == nnAnimations) { - ReadAnimations(currentNode, skeleton); - } - } -} - -void OgreXmlSerializer::ReadAnimations(XmlNode &node, Skeleton *skeleton) { - if (skeleton->bones.empty()) { - throw DeadlyImportError("Cannot read <animations> for a Skeleton without bones"); - } - - ASSIMP_LOG_VERBOSE_DEBUG(" - Animations"); - - for (XmlNode ¤tNode : node.children()) { - const std::string currentName = currentNode.name(); - if (currentName == nnAnimation) { - Animation *anim = new Animation(skeleton); - anim->name = ReadAttribute<std::string>(currentNode, "name"); - anim->length = ReadAttribute<float>(currentNode, "length"); - for (XmlNode ¤tChildNode : currentNode.children()) { - const std::string currentChildName = currentNode.name(); - if (currentChildName == nnTracks) { - ReadAnimationTracks(currentChildNode, anim); - skeleton->animations.push_back(anim); - } else { - throw DeadlyImportError("No <tracks> found in <animation> ", anim->name); - } - } - } - } -} - -void OgreXmlSerializer::ReadAnimationTracks(XmlNode &node, Animation *dest) { - for (XmlNode ¤tNode : node.children()) { - const std::string currentName = currentNode.name(); - if (currentName == nnTrack) { - VertexAnimationTrack track; - track.type = VertexAnimationTrack::VAT_TRANSFORM; - track.boneName = ReadAttribute<std::string>(currentNode, "bone"); - for (XmlNode ¤tChildNode : currentNode.children()) { - const std::string currentChildName = currentNode.name(); - if (currentChildName == nnKeyFrames) { - ReadAnimationKeyFrames(currentChildNode, dest, &track); - dest->tracks.push_back(track); - } else { - throw DeadlyImportError("No <keyframes> found in <track> ", dest->name); - } - } - } - } -} - -void OgreXmlSerializer::ReadAnimationKeyFrames(XmlNode &node, Animation *anim, VertexAnimationTrack *dest) { - const aiVector3D zeroVec(0.f, 0.f, 0.f); - for (XmlNode ¤tNode : node.children()) { - TransformKeyFrame keyframe; - const std::string currentName = currentNode.name(); - if (currentName == nnKeyFrame) { - keyframe.timePos = ReadAttribute<float>(currentNode, "time"); - for (XmlNode ¤tChildNode : currentNode.children()) { - const std::string currentChildName = currentNode.name(); - if (currentChildName == nnTranslate) { - keyframe.position.x = ReadAttribute<float>(currentChildNode, anX); - keyframe.position.y = ReadAttribute<float>(currentChildNode, anY); - keyframe.position.z = ReadAttribute<float>(currentChildNode, anZ); - } else if (currentChildName == nnRotate) { - float angle = ReadAttribute<float>(currentChildNode, "angle"); - for (XmlNode ¤tChildChildNode : currentNode.children()) { - const std::string currentChildChildName = currentNode.name(); - if (currentChildChildName == nnAxis) { - aiVector3D axis; - axis.x = ReadAttribute<float>(currentChildChildNode, anX); - axis.y = ReadAttribute<float>(currentChildChildNode, anY); - axis.z = ReadAttribute<float>(currentChildChildNode, anZ); - if (axis.Equal(zeroVec)) { - axis.x = 1.0f; - if (angle != 0) { - ASSIMP_LOG_WARN("Found invalid a key frame with a zero rotation axis in animation: ", anim->name); - } - } - keyframe.rotation = aiQuaternion(axis, angle); - } - } - } else if (currentChildName == nnScale) { - keyframe.scale.x = ReadAttribute<float>(currentChildNode, anX); - keyframe.scale.y = ReadAttribute<float>(currentChildNode, anY); - keyframe.scale.z = ReadAttribute<float>(currentChildNode, anZ); - } - } - } - dest->transformKeyFrames.push_back(keyframe); - } -} - -void OgreXmlSerializer::ReadBoneHierarchy(XmlNode &node, Skeleton *skeleton) { - if (skeleton->bones.empty()) { - throw DeadlyImportError("Cannot read <bonehierarchy> for a Skeleton without bones"); - } - - for (XmlNode ¤tNode : node.children()) { - const std::string currentName = currentNode.name(); - if (currentName == nnBoneParent) { - const std::string name = ReadAttribute<std::string>(currentNode, "bone"); - const std::string parentName = ReadAttribute<std::string>(currentNode, "parent"); - - Bone *bone = skeleton->BoneByName(name); - Bone *parent = skeleton->BoneByName(parentName); - - if (bone && parent) { - parent->AddChild(bone); - } else { - throw DeadlyImportError("Failed to find bones for parenting: Child ", name, " for parent ", parentName); - } - } - } - - // Calculate bone matrices for root bones. Recursively calculates their children. - for (size_t i = 0, len = skeleton->bones.size(); i < len; ++i) { - Bone *bone = skeleton->bones[i]; - if (!bone->IsParented()) - bone->CalculateWorldMatrixAndDefaultPose(skeleton); - } -} - -static bool BoneCompare(Bone *a, Bone *b) { - ai_assert(nullptr != a); - ai_assert(nullptr != b); - - return (a->id < b->id); -} - -void OgreXmlSerializer::ReadBones(XmlNode &node, Skeleton *skeleton) { - ASSIMP_LOG_VERBOSE_DEBUG(" - Bones"); - - for (XmlNode ¤tNode : node.children()) { - const std::string currentName = currentNode.name(); - if (currentName == nnBone) { - Bone *bone = new Bone(); - bone->id = ReadAttribute<uint16_t>(currentNode, "id"); - bone->name = ReadAttribute<std::string>(currentNode, "name"); - for (XmlNode ¤tChildNode : currentNode.children()) { - const std::string currentChildName = currentNode.name(); - if (currentChildName == nnRotation) { - bone->position.x = ReadAttribute<float>(currentChildNode, anX); - bone->position.y = ReadAttribute<float>(currentChildNode, anY); - bone->position.z = ReadAttribute<float>(currentChildNode, anZ); - } else if (currentChildName == nnScale) { - float angle = ReadAttribute<float>(currentChildNode, "angle"); - for (XmlNode currentChildChildNode : currentChildNode.children()) { - const std::string ¤tChildChildName = currentChildChildNode.name(); - if (currentChildChildName == nnAxis) { - aiVector3D axis; - axis.x = ReadAttribute<float>(currentChildChildNode, anX); - axis.y = ReadAttribute<float>(currentChildChildNode, anY); - axis.z = ReadAttribute<float>(currentChildChildNode, anZ); - - bone->rotation = aiQuaternion(axis, angle); - } else { - throw DeadlyImportError("No axis specified for bone rotation in bone ", bone->id); - } - } - } else if (currentChildName == nnScale) { - if (XmlParser::hasAttribute(currentChildNode, "factor")) { - float factor = ReadAttribute<float>(currentChildNode, "factor"); - bone->scale.Set(factor, factor, factor); - } else { - if (XmlParser::hasAttribute(currentChildNode, anX)) - bone->scale.x = ReadAttribute<float>(currentChildNode, anX); - if (XmlParser::hasAttribute(currentChildNode, anY)) - bone->scale.y = ReadAttribute<float>(currentChildNode, anY); - if (XmlParser::hasAttribute(currentChildNode, anZ)) - bone->scale.z = ReadAttribute<float>(currentChildNode, anZ); - } - } - } - skeleton->bones.push_back(bone); - } - } - - // Order bones by Id - std::sort(skeleton->bones.begin(), skeleton->bones.end(), BoneCompare); - - // Validate that bone indexes are not skipped. - /** @note Left this from original authors code, but not sure if this is strictly necessary - as per the Ogre skeleton spec. It might be more that other (later) code in this imported does not break. */ - for (size_t i = 0, len = skeleton->bones.size(); i < len; ++i) { - Bone *b = skeleton->bones[i]; - ASSIMP_LOG_VERBOSE_DEBUG(" ", b->id, " ", b->name); - - if (b->id != static_cast<uint16_t>(i)) { - throw DeadlyImportError("Bone ids are not in sequence starting from 0. Missing index ", i); - } - } -} - -} // namespace Ogre -} // namespace Assimp - -#endif // ASSIMP_BUILD_NO_OGRE_IMPORTER |