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Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/Ogre/OgreBinarySerializer.h')
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1 files changed, 415 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/Ogre/OgreBinarySerializer.h b/src/mesh/assimp-master/code/AssetLib/Ogre/OgreBinarySerializer.h new file mode 100644 index 0000000..eb026ea --- /dev/null +++ b/src/mesh/assimp-master/code/AssetLib/Ogre/OgreBinarySerializer.h @@ -0,0 +1,415 @@ +/* +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. + +---------------------------------------------------------------------- +*/ + +#ifndef AI_OGREBINARYSERIALIZER_H_INC +#define AI_OGREBINARYSERIALIZER_H_INC + +#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER + +#include "OgreStructs.h" +#include <assimp/StreamReader.h> + +namespace Assimp { +namespace Ogre { + +typedef Assimp::StreamReaderLE MemoryStreamReader; +typedef std::shared_ptr<MemoryStreamReader> MemoryStreamReaderPtr; + +class OgreBinarySerializer { +public: + /// Imports mesh and returns the result. + /** @note Fatal unrecoverable errors will throw a DeadlyImportError. */ + static Mesh *ImportMesh(MemoryStreamReader *reader); + + /// Imports skeleton to @c mesh into Mesh::skeleton. + /** If mesh does not have a skeleton reference or the skeleton file + cannot be found it is not a fatal DeadlyImportError. + @return If skeleton import was successful. */ + static bool ImportSkeleton(Assimp::IOSystem *pIOHandler, Mesh *mesh); + static bool ImportSkeleton(Assimp::IOSystem *pIOHandler, MeshXml *mesh); + +private: + enum AssetMode { + AM_Mesh, + AM_Skeleton + }; + + OgreBinarySerializer(MemoryStreamReader *reader, AssetMode mode) : + m_currentLen(0), + m_reader(reader), + assetMode(mode) { + } + + static MemoryStreamReaderPtr OpenReader(Assimp::IOSystem *pIOHandler, const std::string &filename); + + // Header + + uint16_t ReadHeader(bool readLen = true); + void RollbackHeader(); + + // Mesh + + void ReadMesh(Mesh *mesh); + void ReadMeshLodInfo(Mesh *mesh); + void ReadMeshSkeletonLink(Mesh *mesh); + void ReadMeshBounds(Mesh *mesh); + void ReadMeshExtremes(Mesh *mesh); + + void ReadSubMesh(Mesh *mesh); + void ReadSubMeshNames(Mesh *mesh); + void ReadSubMeshOperation(SubMesh *submesh); + void ReadSubMeshTextureAlias(SubMesh *submesh); + + void ReadBoneAssignment(VertexData *dest); + + void ReadGeometry(VertexData *dest); + void ReadGeometryVertexDeclaration(VertexData *dest); + void ReadGeometryVertexElement(VertexData *dest); + void ReadGeometryVertexBuffer(VertexData *dest); + + void ReadEdgeList(Mesh *mesh); + void ReadPoses(Mesh *mesh); + void ReadPoseVertices(Pose *pose); + + void ReadAnimations(Mesh *mesh); + void ReadAnimation(Animation *anim); + void ReadAnimationKeyFrames(Animation *anim, VertexAnimationTrack *track); + + void NormalizeBoneWeights(VertexData *vertexData) const; + + // Skeleton + + void ReadSkeleton(Skeleton *skeleton); + + void ReadBone(Skeleton *skeleton); + void ReadBoneParent(Skeleton *skeleton); + + void ReadSkeletonAnimation(Skeleton *skeleton); + void ReadSkeletonAnimationTrack(Skeleton *skeleton, Animation *dest); + void ReadSkeletonAnimationKeyFrame(VertexAnimationTrack *dest); + void ReadSkeletonAnimationLink(Skeleton *skeleton); + + // Reader utils + bool AtEnd() const; + + template <typename T> + inline T Read(); + + void ReadBytes(char *dest, size_t numBytes); + void ReadBytes(uint8_t *dest, size_t numBytes); + void ReadBytes(void *dest, size_t numBytes); + uint8_t *ReadBytes(size_t numBytes); + + void ReadVector(aiVector3D &vec); + void ReadQuaternion(aiQuaternion &quat); + + std::string ReadString(size_t len); + std::string ReadLine(); + + void SkipBytes(size_t numBytes); + + uint32_t m_currentLen; + MemoryStreamReader *m_reader; + + AssetMode assetMode; +}; + +enum MeshChunkId { + M_HEADER = 0x1000, + // char* version : Version number check + M_MESH = 0x3000, + // bool skeletallyAnimated // important flag which affects h/w buffer policies + // Optional M_GEOMETRY chunk + M_SUBMESH = 0x4000, + // char* materialName + // bool useSharedVertices + // unsigned int indexCount + // bool indexes32Bit + // unsigned int* faceVertexIndices (indexCount) + // OR + // unsigned short* faceVertexIndices (indexCount) + // M_GEOMETRY chunk (Optional: present only if useSharedVertices = false) + M_SUBMESH_OPERATION = 0x4010, // optional, trilist assumed if missing + // unsigned short operationType + M_SUBMESH_BONE_ASSIGNMENT = 0x4100, + // Optional bone weights (repeating section) + // unsigned int vertexIndex; + // unsigned short boneIndex; + // float weight; + // Optional chunk that matches a texture name to an alias + // a texture alias is sent to the submesh material to use this texture name + // instead of the one in the texture unit with a matching alias name + M_SUBMESH_TEXTURE_ALIAS = 0x4200, // Repeating section + // char* aliasName; + // char* textureName; + + M_GEOMETRY = 0x5000, // NB this chunk is embedded within M_MESH and M_SUBMESH + // unsigned int vertexCount + M_GEOMETRY_VERTEX_DECLARATION = 0x5100, + M_GEOMETRY_VERTEX_ELEMENT = 0x5110, // Repeating section + // unsigned short source; // buffer bind source + // unsigned short type; // VertexElementType + // unsigned short semantic; // VertexElementSemantic + // unsigned short offset; // start offset in buffer in bytes + // unsigned short index; // index of the semantic (for colours and texture coords) + M_GEOMETRY_VERTEX_BUFFER = 0x5200, // Repeating section + // unsigned short bindIndex; // Index to bind this buffer to + // unsigned short vertexSize; // Per-vertex size, must agree with declaration at this index + M_GEOMETRY_VERTEX_BUFFER_DATA = 0x5210, + // raw buffer data + M_MESH_SKELETON_LINK = 0x6000, + // Optional link to skeleton + // char* skeletonName : name of .skeleton to use + M_MESH_BONE_ASSIGNMENT = 0x7000, + // Optional bone weights (repeating section) + // unsigned int vertexIndex; + // unsigned short boneIndex; + // float weight; + M_MESH_LOD = 0x8000, + // Optional LOD information + // string strategyName; + // unsigned short numLevels; + // bool manual; (true for manual alternate meshes, false for generated) + M_MESH_LOD_USAGE = 0x8100, + // Repeating section, ordered in increasing depth + // NB LOD 0 (full detail from 0 depth) is omitted + // LOD value - this is a distance, a pixel count etc, based on strategy + // float lodValue; + M_MESH_LOD_MANUAL = 0x8110, + // Required if M_MESH_LOD section manual = true + // String manualMeshName; + M_MESH_LOD_GENERATED = 0x8120, + // Required if M_MESH_LOD section manual = false + // Repeating section (1 per submesh) + // unsigned int indexCount; + // bool indexes32Bit + // unsigned short* faceIndexes; (indexCount) + // OR + // unsigned int* faceIndexes; (indexCount) + M_MESH_BOUNDS = 0x9000, + // float minx, miny, minz + // float maxx, maxy, maxz + // float radius + + // Added By DrEvil + // optional chunk that contains a table of submesh indexes and the names of + // the sub-meshes. + M_SUBMESH_NAME_TABLE = 0xA000, + // Subchunks of the name table. Each chunk contains an index & string + M_SUBMESH_NAME_TABLE_ELEMENT = 0xA100, + // short index + // char* name + // Optional chunk which stores precomputed edge data + M_EDGE_LISTS = 0xB000, + // Each LOD has a separate edge list + M_EDGE_LIST_LOD = 0xB100, + // unsigned short lodIndex + // bool isManual // If manual, no edge data here, loaded from manual mesh + // bool isClosed + // unsigned long numTriangles + // unsigned long numEdgeGroups + // Triangle* triangleList + // unsigned long indexSet + // unsigned long vertexSet + // unsigned long vertIndex[3] + // unsigned long sharedVertIndex[3] + // float normal[4] + + M_EDGE_GROUP = 0xB110, + // unsigned long vertexSet + // unsigned long triStart + // unsigned long triCount + // unsigned long numEdges + // Edge* edgeList + // unsigned long triIndex[2] + // unsigned long vertIndex[2] + // unsigned long sharedVertIndex[2] + // bool degenerate + // Optional poses section, referred to by pose keyframes + M_POSES = 0xC000, + M_POSE = 0xC100, + // char* name (may be blank) + // unsigned short target // 0 for shared geometry, + // 1+ for submesh index + 1 + // bool includesNormals [1.8+] + M_POSE_VERTEX = 0xC111, + // unsigned long vertexIndex + // float xoffset, yoffset, zoffset + // float xnormal, ynormal, znormal (optional, 1.8+) + // Optional vertex animation chunk + M_ANIMATIONS = 0xD000, + M_ANIMATION = 0xD100, + // char* name + // float length + M_ANIMATION_BASEINFO = 0xD105, + // [Optional] base keyframe information (pose animation only) + // char* baseAnimationName (blank for self) + // float baseKeyFrameTime + M_ANIMATION_TRACK = 0xD110, + // unsigned short type // 1 == morph, 2 == pose + // unsigned short target // 0 for shared geometry, + // 1+ for submesh index + 1 + M_ANIMATION_MORPH_KEYFRAME = 0xD111, + // float time + // bool includesNormals [1.8+] + // float x,y,z // repeat by number of vertices in original geometry + M_ANIMATION_POSE_KEYFRAME = 0xD112, + // float time + M_ANIMATION_POSE_REF = 0xD113, // repeat for number of referenced poses + // unsigned short poseIndex + // float influence + // Optional submesh extreme vertex list chink + M_TABLE_EXTREMES = 0xE000 + // unsigned short submesh_index; + // float extremes [n_extremes][3]; +}; + +/* +static std::string MeshHeaderToString(MeshChunkId id) +{ + switch(id) + { + case M_HEADER: return "HEADER"; + case M_MESH: return "MESH"; + case M_SUBMESH: return "SUBMESH"; + case M_SUBMESH_OPERATION: return "SUBMESH_OPERATION"; + case M_SUBMESH_BONE_ASSIGNMENT: return "SUBMESH_BONE_ASSIGNMENT"; + case M_SUBMESH_TEXTURE_ALIAS: return "SUBMESH_TEXTURE_ALIAS"; + case M_GEOMETRY: return "GEOMETRY"; + case M_GEOMETRY_VERTEX_DECLARATION: return "GEOMETRY_VERTEX_DECLARATION"; + case M_GEOMETRY_VERTEX_ELEMENT: return "GEOMETRY_VERTEX_ELEMENT"; + case M_GEOMETRY_VERTEX_BUFFER: return "GEOMETRY_VERTEX_BUFFER"; + case M_GEOMETRY_VERTEX_BUFFER_DATA: return "GEOMETRY_VERTEX_BUFFER_DATA"; + case M_MESH_SKELETON_LINK: return "MESH_SKELETON_LINK"; + case M_MESH_BONE_ASSIGNMENT: return "MESH_BONE_ASSIGNMENT"; + case M_MESH_LOD: return "MESH_LOD"; + case M_MESH_LOD_USAGE: return "MESH_LOD_USAGE"; + case M_MESH_LOD_MANUAL: return "MESH_LOD_MANUAL"; + case M_MESH_LOD_GENERATED: return "MESH_LOD_GENERATED"; + case M_MESH_BOUNDS: return "MESH_BOUNDS"; + case M_SUBMESH_NAME_TABLE: return "SUBMESH_NAME_TABLE"; + case M_SUBMESH_NAME_TABLE_ELEMENT: return "SUBMESH_NAME_TABLE_ELEMENT"; + case M_EDGE_LISTS: return "EDGE_LISTS"; + case M_EDGE_LIST_LOD: return "EDGE_LIST_LOD"; + case M_EDGE_GROUP: return "EDGE_GROUP"; + case M_POSES: return "POSES"; + case M_POSE: return "POSE"; + case M_POSE_VERTEX: return "POSE_VERTEX"; + case M_ANIMATIONS: return "ANIMATIONS"; + case M_ANIMATION: return "ANIMATION"; + case M_ANIMATION_BASEINFO: return "ANIMATION_BASEINFO"; + case M_ANIMATION_TRACK: return "ANIMATION_TRACK"; + case M_ANIMATION_MORPH_KEYFRAME: return "ANIMATION_MORPH_KEYFRAME"; + case M_ANIMATION_POSE_KEYFRAME: return "ANIMATION_POSE_KEYFRAME"; + case M_ANIMATION_POSE_REF: return "ANIMATION_POSE_REF"; + case M_TABLE_EXTREMES: return "TABLE_EXTREMES"; + } + return "Unknown_MeshChunkId"; +} +*/ + +enum SkeletonChunkId { + SKELETON_HEADER = 0x1000, + // char* version : Version number check + SKELETON_BLENDMODE = 0x1010, // optional + // unsigned short blendmode : SkeletonAnimationBlendMode + SKELETON_BONE = 0x2000, + // Repeating section defining each bone in the system. + // Bones are assigned indexes automatically based on their order of declaration + // starting with 0. + // char* name : name of the bone + // unsigned short handle : handle of the bone, should be contiguous & start at 0 + // Vector3 position : position of this bone relative to parent + // Quaternion orientation : orientation of this bone relative to parent + // Vector3 scale : scale of this bone relative to parent + SKELETON_BONE_PARENT = 0x3000, + // Record of the parent of a single bone, used to build the node tree + // Repeating section, listed in Bone Index order, one per Bone + // unsigned short handle : child bone + // unsigned short parentHandle : parent bone + SKELETON_ANIMATION = 0x4000, + // A single animation for this skeleton + // char* name : Name of the animation + // float length : Length of the animation in seconds + SKELETON_ANIMATION_BASEINFO = 0x4010, + // [Optional] base keyframe information + // char* baseAnimationName (blank for self) + // float baseKeyFrameTime + SKELETON_ANIMATION_TRACK = 0x4100, + // A single animation track (relates to a single bone) + // Repeating section (within SKELETON_ANIMATION) + // unsigned short boneIndex : Index of bone to apply to + SKELETON_ANIMATION_TRACK_KEYFRAME = 0x4110, + // A single keyframe within the track + // Repeating section + // float time : The time position (seconds) + // Quaternion rotate : Rotation to apply at this keyframe + // Vector3 translate : Translation to apply at this keyframe + // Vector3 scale : Scale to apply at this keyframe + SKELETON_ANIMATION_LINK = 0x5000 + // Link to another skeleton, to re-use its animations + // char* skeletonName : name of skeleton to get animations from + // float scale : scale to apply to trans/scale keys +}; + +/* +static std::string SkeletonHeaderToString(SkeletonChunkId id) +{ + switch(id) + { + case SKELETON_HEADER: return "HEADER"; + case SKELETON_BLENDMODE: return "BLENDMODE"; + case SKELETON_BONE: return "BONE"; + case SKELETON_BONE_PARENT: return "BONE_PARENT"; + case SKELETON_ANIMATION: return "ANIMATION"; + case SKELETON_ANIMATION_BASEINFO: return "ANIMATION_BASEINFO"; + case SKELETON_ANIMATION_TRACK: return "ANIMATION_TRACK"; + case SKELETON_ANIMATION_TRACK_KEYFRAME: return "ANIMATION_TRACK_KEYFRAME"; + case SKELETON_ANIMATION_LINK: return "ANIMATION_LINK"; + } + return "Unknown_SkeletonChunkId"; +} +*/ +} // namespace Ogre +} // namespace Assimp + +#endif // ASSIMP_BUILD_NO_OGRE_IMPORTER +#endif // AI_OGREBINARYSERIALIZER_H_INC |