add assimp submodule

6 files changed, 1855 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinExporter.cpp b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinExporter.cpp
new file mode 100644
index 0000000..149b3c5
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinExporter.cpp
@@ -0,0 +1,68 @@
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+/** @file  AssbinExporter.cpp
+ *  ASSBIN exporter main code
+ */
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#ifndef ASSIMP_BUILD_NO_ASSBIN_EXPORTER
+
+#include "AssbinFileWriter.h"
+
+#include <assimp/scene.h>
+#include <assimp/Exporter.hpp>
+#include <assimp/IOSystem.hpp>
+
+namespace Assimp {
+
+void ExportSceneAssbin(const char *pFile, IOSystem *pIOSystem, const aiScene *pScene, const ExportProperties * /*pProperties*/) {
+    DumpSceneToAssbin(
+            pFile,
+            "\0", // no command(s).
+            pIOSystem,
+            pScene,
+            false, // shortened?
+            false); // compressed?
+}
+} // end of namespace Assimp
+
+#endif // ASSIMP_BUILD_NO_ASSBIN_EXPORTER
+#endif // ASSIMP_BUILD_NO_EXPORT
diff --git a/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinExporter.h b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinExporter.h
new file mode 100644
index 0000000..1801c16
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinExporter.h
@@ -0,0 +1,60 @@
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+
+/** @file AssbinExporter.h
+ * ASSBIN Exporter Main Header
+ */
+#pragma once
+#ifndef AI_ASSBINEXPORTER_H_INC
+#define AI_ASSBINEXPORTER_H_INC
+
+#include <assimp/defs.h>
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+// nothing really needed here - reserved for future use like properties
+namespace Assimp {
+
+void ASSIMP_API ExportSceneAssbin(const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* /*pProperties*/);
+
+}
+#endif 
+#endif // AI_ASSBINEXPORTER_H_INC
diff --git a/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinFileWriter.cpp b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinFileWriter.cpp
new file mode 100644
index 0000000..1d16f17
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinFileWriter.cpp
@@ -0,0 +1,833 @@
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+/** @file  AssbinFileWriter.cpp
+ *  @brief Implementation of Assbin file writer.
+ */
+
+#include "AssbinFileWriter.h"
+#include "Common/assbin_chunks.h"
+#include "PostProcessing/ProcessHelper.h"
+
+#include <assimp/Exceptional.h>
+#include <assimp/version.h>
+#include <assimp/IOStream.hpp>
+
+#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
+#include <zlib.h>
+#else
+#include "../contrib/zlib/zlib.h"
+#endif
+
+#include <ctime>
+
+#if _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4706)
+#endif // _MSC_VER
+
+namespace Assimp {
+
+template <typename T>
+size_t Write(IOStream *stream, const T &v) {
+    return stream->Write(&v, sizeof(T), 1);
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize an aiString
+template <>
+inline size_t Write<aiString>(IOStream *stream, const aiString &s) {
+    const size_t s2 = (uint32_t)s.length;
+    stream->Write(&s, 4, 1);
+    stream->Write(s.data, s2, 1);
+
+    return s2 + 4;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize an unsigned int as uint32_t
+template <>
+inline size_t Write<unsigned int>(IOStream *stream, const unsigned int &w) {
+    const uint32_t t = (uint32_t)w;
+    if (w > t) {
+        // this shouldn't happen, integers in Assimp data structures never exceed 2^32
+        throw DeadlyExportError("loss of data due to 64 -> 32 bit integer conversion");
+    }
+
+    stream->Write(&t, 4, 1);
+
+    return 4;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize an unsigned int as uint16_t
+template <>
+inline size_t Write<uint16_t>(IOStream *stream, const uint16_t &w) {
+    static_assert(sizeof(uint16_t) == 2, "sizeof(uint16_t)==2");
+    stream->Write(&w, 2, 1);
+
+    return 2;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a float
+template <>
+inline size_t Write<float>(IOStream *stream, const float &f) {
+    static_assert(sizeof(float) == 4, "sizeof(float)==4");
+    stream->Write(&f, 4, 1);
+
+    return 4;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a double
+template <>
+inline size_t Write<double>(IOStream *stream, const double &f) {
+    static_assert(sizeof(double) == 8, "sizeof(double)==8");
+    stream->Write(&f, 8, 1);
+
+    return 8;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a vec3
+template <>
+inline size_t Write<aiVector3D>(IOStream *stream, const aiVector3D &v) {
+    size_t t = Write<float>(stream, v.x);
+    t += Write<float>(stream, v.y);
+    t += Write<float>(stream, v.z);
+
+    return t;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a color value
+template <>
+inline size_t Write<aiColor3D>(IOStream *stream, const aiColor3D &v) {
+    size_t t = Write<float>(stream, v.r);
+    t += Write<float>(stream, v.g);
+    t += Write<float>(stream, v.b);
+
+    return t;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a color value
+template <>
+inline size_t Write<aiColor4D>(IOStream *stream, const aiColor4D &v) {
+    size_t t = Write<float>(stream, v.r);
+    t += Write<float>(stream, v.g);
+    t += Write<float>(stream, v.b);
+    t += Write<float>(stream, v.a);
+
+    return t;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a quaternion
+template <>
+inline size_t Write<aiQuaternion>(IOStream *stream, const aiQuaternion &v) {
+    size_t t = Write<float>(stream, v.w);
+    t += Write<float>(stream, v.x);
+    t += Write<float>(stream, v.y);
+    t += Write<float>(stream, v.z);
+    ai_assert(t == 16);
+
+    return t;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize a vertex weight
+template <>
+inline size_t Write<aiVertexWeight>(IOStream *stream, const aiVertexWeight &v) {
+    size_t t = Write<unsigned int>(stream, v.mVertexId);
+
+    return t + Write<float>(stream, v.mWeight);
+}
+
+constexpr size_t MatrixSize = 64;
+
+// -----------------------------------------------------------------------------------
+// Serialize a mat4x4
+template <>
+inline size_t Write<aiMatrix4x4>(IOStream *stream, const aiMatrix4x4 &m) {
+    for (unsigned int i = 0; i < 4; ++i) {
+        for (unsigned int i2 = 0; i2 < 4; ++i2) {
+            Write<float>(stream, m[i][i2]);
+        }
+    }
+
+    return MatrixSize;
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize an aiVectorKey
+template <>
+inline size_t Write<aiVectorKey>(IOStream *stream, const aiVectorKey &v) {
+    const size_t t = Write<double>(stream, v.mTime);
+    return t + Write<aiVector3D>(stream, v.mValue);
+}
+
+// -----------------------------------------------------------------------------------
+// Serialize an aiQuatKey
+template <>
+inline size_t Write<aiQuatKey>(IOStream *stream, const aiQuatKey &v) {
+    const size_t t = Write<double>(stream, v.mTime);
+    return t + Write<aiQuaternion>(stream, v.mValue);
+}
+
+template <typename T>
+inline size_t WriteBounds(IOStream *stream, const T *in, unsigned int size) {
+    T minc, maxc;
+    ArrayBounds(in, size, minc, maxc);
+
+    const size_t t = Write<T>(stream, minc);
+    return t + Write<T>(stream, maxc);
+}
+
+// We use this to write out non-byte arrays so that we write using the specializations.
+// This way we avoid writing out extra bytes that potentially come from struct alignment.
+template <typename T>
+inline size_t WriteArray(IOStream *stream, const T *in, unsigned int size) {
+    size_t n = 0;
+    for (unsigned int i = 0; i < size; i++)
+        n += Write<T>(stream, in[i]);
+
+    return n;
+}
+
+// ----------------------------------------------------------------------------------
+/** @class  AssbinChunkWriter
+ *  @brief  Chunk writer mechanism for the .assbin file structure
+ *
+ *  This is a standard in-memory IOStream (most of the code is based on BlobIOStream),
+ *  the difference being that this takes another IOStream as a "container" in the
+ *  constructor, and when it is destroyed, it appends the magic number, the chunk size,
+ *  and the chunk contents to the container stream. This allows relatively easy chunk
+ *  chunk construction, even recursively.
+ */
+class AssbinChunkWriter : public IOStream {
+private:
+    uint8_t *buffer;
+    uint32_t magic;
+    IOStream *container;
+    size_t cur_size, cursor, initial;
+
+private:
+    // -------------------------------------------------------------------
+    void Grow(size_t need = 0) {
+        size_t new_size = std::max(initial, std::max(need, cur_size + (cur_size >> 1)));
+
+        const uint8_t *const old = buffer;
+        buffer = new uint8_t[new_size];
+
+        if (old) {
+            memcpy(buffer, old, cur_size);
+            delete[] old;
+        }
+
+        cur_size = new_size;
+    }
+
+public:
+    AssbinChunkWriter(IOStream *container, uint32_t magic, size_t initial = 4096) :
+            buffer(nullptr),
+            magic(magic),
+            container(container),
+            cur_size(0),
+            cursor(0),
+            initial(initial) {
+        // empty
+    }
+
+    ~AssbinChunkWriter() override {
+        if (container) {
+            container->Write(&magic, sizeof(uint32_t), 1);
+            container->Write(&cursor, sizeof(uint32_t), 1);
+            container->Write(buffer, 1, cursor);
+        }
+        if (buffer) delete[] buffer;
+    }
+
+    void *GetBufferPointer() { return buffer; }
+
+    size_t Read(void * /*pvBuffer*/, size_t /*pSize*/, size_t /*pCount*/) override {
+        return 0;
+    }
+    
+    aiReturn Seek(size_t /*pOffset*/, aiOrigin /*pOrigin*/) override {
+        return aiReturn_FAILURE;
+    }
+    
+    size_t Tell() const override {
+        return cursor;
+    }
+    
+    void Flush() override {
+        // not implemented
+    }
+
+    size_t FileSize() const override {
+        return cursor;
+    }
+
+    size_t Write(const void *pvBuffer, size_t pSize, size_t pCount) override {
+        pSize *= pCount;
+        if (cursor + pSize > cur_size) {
+            Grow(cursor + pSize);
+        }
+
+        memcpy(buffer + cursor, pvBuffer, pSize);
+        cursor += pSize;
+
+        return pCount;
+    }
+};
+
+// ----------------------------------------------------------------------------------
+/** @class  AssbinFileWriter
+ *  @brief  Assbin file writer class
+ *
+ *  This class writes an .assbin file, and is responsible for the file layout.
+ */
+class AssbinFileWriter {
+private:
+    bool shortened;
+    bool compressed;
+
+protected:
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryNode(IOStream *container, const aiNode *node) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AINODE);
+
+        unsigned int nb_metadata = (node->mMetaData != nullptr ? node->mMetaData->mNumProperties : 0);
+
+        Write<aiString>(&chunk, node->mName);
+        Write<aiMatrix4x4>(&chunk, node->mTransformation);
+        Write<unsigned int>(&chunk, node->mNumChildren);
+        Write<unsigned int>(&chunk, node->mNumMeshes);
+        Write<unsigned int>(&chunk, nb_metadata);
+
+        for (unsigned int i = 0; i < node->mNumMeshes; ++i) {
+            Write<unsigned int>(&chunk, node->mMeshes[i]);
+        }
+
+        for (unsigned int i = 0; i < node->mNumChildren; ++i) {
+            WriteBinaryNode(&chunk, node->mChildren[i]);
+        }
+
+        for (unsigned int i = 0; i < nb_metadata; ++i) {
+            const aiString &key = node->mMetaData->mKeys[i];
+            aiMetadataType type = node->mMetaData->mValues[i].mType;
+            void *value = node->mMetaData->mValues[i].mData;
+
+            Write<aiString>(&chunk, key);
+            Write<uint16_t>(&chunk, (uint16_t)type);
+
+            switch (type) {
+            case AI_BOOL:
+                Write<bool>(&chunk, *((bool *)value));
+                break;
+            case AI_INT32:
+                Write<int32_t>(&chunk, *((int32_t *)value));
+                break;
+            case AI_UINT64:
+                Write<uint64_t>(&chunk, *((uint64_t *)value));
+                break;
+            case AI_FLOAT:
+                Write<float>(&chunk, *((float *)value));
+                break;
+            case AI_DOUBLE:
+                Write<double>(&chunk, *((double *)value));
+                break;
+            case AI_AISTRING:
+                Write<aiString>(&chunk, *((aiString *)value));
+                break;
+            case AI_AIVECTOR3D:
+                Write<aiVector3D>(&chunk, *((aiVector3D *)value));
+                break;
+#ifdef SWIG
+                case FORCE_32BIT:
+#endif // SWIG
+            default:
+                break;
+            }
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryTexture(IOStream *container, const aiTexture *tex) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AITEXTURE);
+
+        Write<unsigned int>(&chunk, tex->mWidth);
+        Write<unsigned int>(&chunk, tex->mHeight);
+        // Write the texture format, but don't include the null terminator.
+        chunk.Write(tex->achFormatHint, sizeof(char), HINTMAXTEXTURELEN - 1);
+
+        if (!shortened) {
+            if (!tex->mHeight) {
+                chunk.Write(tex->pcData, 1, tex->mWidth);
+            } else {
+                chunk.Write(tex->pcData, 1, tex->mWidth * tex->mHeight * 4);
+            }
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryBone(IOStream *container, const aiBone *b) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AIBONE);
+
+        Write<aiString>(&chunk, b->mName);
+        Write<unsigned int>(&chunk, b->mNumWeights);
+        Write<aiMatrix4x4>(&chunk, b->mOffsetMatrix);
+
+        // for the moment we write dumb min/max values for the bones, too.
+        // maybe I'll add a better, hash-like solution later
+        if (shortened) {
+            WriteBounds(&chunk, b->mWeights, b->mNumWeights);
+        } // else write as usual
+        else
+            WriteArray<aiVertexWeight>(&chunk, b->mWeights, b->mNumWeights);
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryMesh(IOStream *container, const aiMesh *mesh) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AIMESH);
+
+        Write<unsigned int>(&chunk, mesh->mPrimitiveTypes);
+        Write<unsigned int>(&chunk, mesh->mNumVertices);
+        Write<unsigned int>(&chunk, mesh->mNumFaces);
+        Write<unsigned int>(&chunk, mesh->mNumBones);
+        Write<unsigned int>(&chunk, mesh->mMaterialIndex);
+
+        // first of all, write bits for all existent vertex components
+        unsigned int c = 0;
+        if (mesh->mVertices) {
+            c |= ASSBIN_MESH_HAS_POSITIONS;
+        }
+        if (mesh->mNormals) {
+            c |= ASSBIN_MESH_HAS_NORMALS;
+        }
+        if (mesh->mTangents && mesh->mBitangents) {
+            c |= ASSBIN_MESH_HAS_TANGENTS_AND_BITANGENTS;
+        }
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++n) {
+            if (!mesh->mTextureCoords[n]) {
+                break;
+            }
+            c |= ASSBIN_MESH_HAS_TEXCOORD(n);
+        }
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_COLOR_SETS; ++n) {
+            if (!mesh->mColors[n]) {
+                break;
+            }
+            c |= ASSBIN_MESH_HAS_COLOR(n);
+        }
+        Write<unsigned int>(&chunk, c);
+
+        aiVector3D minVec, maxVec;
+        if (mesh->mVertices) {
+            if (shortened) {
+                WriteBounds(&chunk, mesh->mVertices, mesh->mNumVertices);
+            } // else write as usual
+            else
+                WriteArray<aiVector3D>(&chunk, mesh->mVertices, mesh->mNumVertices);
+        }
+        if (mesh->mNormals) {
+            if (shortened) {
+                WriteBounds(&chunk, mesh->mNormals, mesh->mNumVertices);
+            } // else write as usual
+            else
+                WriteArray<aiVector3D>(&chunk, mesh->mNormals, mesh->mNumVertices);
+        }
+        if (mesh->mTangents && mesh->mBitangents) {
+            if (shortened) {
+                WriteBounds(&chunk, mesh->mTangents, mesh->mNumVertices);
+                WriteBounds(&chunk, mesh->mBitangents, mesh->mNumVertices);
+            } // else write as usual
+            else {
+                WriteArray<aiVector3D>(&chunk, mesh->mTangents, mesh->mNumVertices);
+                WriteArray<aiVector3D>(&chunk, mesh->mBitangents, mesh->mNumVertices);
+            }
+        }
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_COLOR_SETS; ++n) {
+            if (!mesh->mColors[n])
+                break;
+
+            if (shortened) {
+                WriteBounds(&chunk, mesh->mColors[n], mesh->mNumVertices);
+            } // else write as usual
+            else
+                WriteArray<aiColor4D>(&chunk, mesh->mColors[n], mesh->mNumVertices);
+        }
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++n) {
+            if (!mesh->mTextureCoords[n])
+                break;
+
+            // write number of UV components
+            Write<unsigned int>(&chunk, mesh->mNumUVComponents[n]);
+
+            if (shortened) {
+                WriteBounds(&chunk, mesh->mTextureCoords[n], mesh->mNumVertices);
+            } // else write as usual
+            else
+                WriteArray<aiVector3D>(&chunk, mesh->mTextureCoords[n], mesh->mNumVertices);
+        }
+
+        // write faces. There are no floating-point calculations involved
+        // in these, so we can write a simple hash over the face data
+        // to the dump file. We generate a single 32 Bit hash for 512 faces
+        // using Assimp's standard hashing function.
+        if (shortened) {
+            unsigned int processed = 0;
+            for (unsigned int job; (job = std::min(mesh->mNumFaces - processed, 512u)); processed += job) {
+                uint32_t hash = 0;
+                for (unsigned int a = 0; a < job; ++a) {
+
+                    const aiFace &f = mesh->mFaces[processed + a];
+                    uint32_t tmp = f.mNumIndices;
+                    hash = SuperFastHash(reinterpret_cast<const char *>(&tmp), sizeof tmp, hash);
+                    for (unsigned int i = 0; i < f.mNumIndices; ++i) {
+                        static_assert(AI_MAX_VERTICES <= 0xffffffff, "AI_MAX_VERTICES <= 0xffffffff");
+                        tmp = static_cast<uint32_t>(f.mIndices[i]);
+                        hash = SuperFastHash(reinterpret_cast<const char *>(&tmp), sizeof tmp, hash);
+                    }
+                }
+                Write<unsigned int>(&chunk, hash);
+            }
+        } else // else write as usual
+        {
+            // if there are less than 2^16 vertices, we can simply use 16 bit integers ...
+            for (unsigned int i = 0; i < mesh->mNumFaces; ++i) {
+                const aiFace &f = mesh->mFaces[i];
+
+                static_assert(AI_MAX_FACE_INDICES <= 0xffff, "AI_MAX_FACE_INDICES <= 0xffff");
+                Write<uint16_t>(&chunk, static_cast<uint16_t>(f.mNumIndices));
+
+                for (unsigned int a = 0; a < f.mNumIndices; ++a) {
+                    if (mesh->mNumVertices < (1u << 16)) {
+                        Write<uint16_t>(&chunk, static_cast<uint16_t>(f.mIndices[a]));
+                    } else {
+                        Write<unsigned int>(&chunk, f.mIndices[a]);
+                    }
+                }
+            }
+        }
+
+        // write bones
+        if (mesh->mNumBones) {
+            for (unsigned int a = 0; a < mesh->mNumBones; ++a) {
+                const aiBone *b = mesh->mBones[a];
+                WriteBinaryBone(&chunk, b);
+            }
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryMaterialProperty(IOStream *container, const aiMaterialProperty *prop) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AIMATERIALPROPERTY);
+
+        Write<aiString>(&chunk, prop->mKey);
+        Write<unsigned int>(&chunk, prop->mSemantic);
+        Write<unsigned int>(&chunk, prop->mIndex);
+
+        Write<unsigned int>(&chunk, prop->mDataLength);
+        Write<unsigned int>(&chunk, (unsigned int)prop->mType);
+        chunk.Write(prop->mData, 1, prop->mDataLength);
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryMaterial(IOStream *container, const aiMaterial *mat) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AIMATERIAL);
+
+        Write<unsigned int>(&chunk, mat->mNumProperties);
+        for (unsigned int i = 0; i < mat->mNumProperties; ++i) {
+            WriteBinaryMaterialProperty(&chunk, mat->mProperties[i]);
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryNodeAnim(IOStream *container, const aiNodeAnim *nd) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AINODEANIM);
+
+        Write<aiString>(&chunk, nd->mNodeName);
+        Write<unsigned int>(&chunk, nd->mNumPositionKeys);
+        Write<unsigned int>(&chunk, nd->mNumRotationKeys);
+        Write<unsigned int>(&chunk, nd->mNumScalingKeys);
+        Write<unsigned int>(&chunk, nd->mPreState);
+        Write<unsigned int>(&chunk, nd->mPostState);
+
+        if (nd->mPositionKeys) {
+            if (shortened) {
+                WriteBounds(&chunk, nd->mPositionKeys, nd->mNumPositionKeys);
+
+            } // else write as usual
+            else
+                WriteArray<aiVectorKey>(&chunk, nd->mPositionKeys, nd->mNumPositionKeys);
+        }
+        if (nd->mRotationKeys) {
+            if (shortened) {
+                WriteBounds(&chunk, nd->mRotationKeys, nd->mNumRotationKeys);
+
+            } // else write as usual
+            else
+                WriteArray<aiQuatKey>(&chunk, nd->mRotationKeys, nd->mNumRotationKeys);
+        }
+        if (nd->mScalingKeys) {
+            if (shortened) {
+                WriteBounds(&chunk, nd->mScalingKeys, nd->mNumScalingKeys);
+
+            } // else write as usual
+            else
+                WriteArray<aiVectorKey>(&chunk, nd->mScalingKeys, nd->mNumScalingKeys);
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryAnim(IOStream *container, const aiAnimation *anim) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AIANIMATION);
+
+        Write<aiString>(&chunk, anim->mName);
+        Write<double>(&chunk, anim->mDuration);
+        Write<double>(&chunk, anim->mTicksPerSecond);
+        Write<unsigned int>(&chunk, anim->mNumChannels);
+
+        for (unsigned int a = 0; a < anim->mNumChannels; ++a) {
+            const aiNodeAnim *nd = anim->mChannels[a];
+            WriteBinaryNodeAnim(&chunk, nd);
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryLight(IOStream *container, const aiLight *l) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AILIGHT);
+
+        Write<aiString>(&chunk, l->mName);
+        Write<unsigned int>(&chunk, l->mType);
+
+        if (l->mType != aiLightSource_DIRECTIONAL) {
+            Write<float>(&chunk, l->mAttenuationConstant);
+            Write<float>(&chunk, l->mAttenuationLinear);
+            Write<float>(&chunk, l->mAttenuationQuadratic);
+        }
+
+        Write<aiColor3D>(&chunk, l->mColorDiffuse);
+        Write<aiColor3D>(&chunk, l->mColorSpecular);
+        Write<aiColor3D>(&chunk, l->mColorAmbient);
+
+        if (l->mType == aiLightSource_SPOT) {
+            Write<float>(&chunk, l->mAngleInnerCone);
+            Write<float>(&chunk, l->mAngleOuterCone);
+        }
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryCamera(IOStream *container, const aiCamera *cam) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AICAMERA);
+
+        Write<aiString>(&chunk, cam->mName);
+        Write<aiVector3D>(&chunk, cam->mPosition);
+        Write<aiVector3D>(&chunk, cam->mLookAt);
+        Write<aiVector3D>(&chunk, cam->mUp);
+        Write<float>(&chunk, cam->mHorizontalFOV);
+        Write<float>(&chunk, cam->mClipPlaneNear);
+        Write<float>(&chunk, cam->mClipPlaneFar);
+        Write<float>(&chunk, cam->mAspect);
+    }
+
+    // -----------------------------------------------------------------------------------
+    void WriteBinaryScene(IOStream *container, const aiScene *scene) {
+        AssbinChunkWriter chunk(container, ASSBIN_CHUNK_AISCENE);
+
+        // basic scene information
+        Write<unsigned int>(&chunk, scene->mFlags);
+        Write<unsigned int>(&chunk, scene->mNumMeshes);
+        Write<unsigned int>(&chunk, scene->mNumMaterials);
+        Write<unsigned int>(&chunk, scene->mNumAnimations);
+        Write<unsigned int>(&chunk, scene->mNumTextures);
+        Write<unsigned int>(&chunk, scene->mNumLights);
+        Write<unsigned int>(&chunk, scene->mNumCameras);
+
+        // write node graph
+        WriteBinaryNode(&chunk, scene->mRootNode);
+
+        // write all meshes
+        for (unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+            const aiMesh *mesh = scene->mMeshes[i];
+            WriteBinaryMesh(&chunk, mesh);
+        }
+
+        // write materials
+        for (unsigned int i = 0; i < scene->mNumMaterials; ++i) {
+            const aiMaterial *mat = scene->mMaterials[i];
+            WriteBinaryMaterial(&chunk, mat);
+        }
+
+        // write all animations
+        for (unsigned int i = 0; i < scene->mNumAnimations; ++i) {
+            const aiAnimation *anim = scene->mAnimations[i];
+            WriteBinaryAnim(&chunk, anim);
+        }
+
+        // write all textures
+        for (unsigned int i = 0; i < scene->mNumTextures; ++i) {
+            const aiTexture *mesh = scene->mTextures[i];
+            WriteBinaryTexture(&chunk, mesh);
+        }
+
+        // write lights
+        for (unsigned int i = 0; i < scene->mNumLights; ++i) {
+            const aiLight *l = scene->mLights[i];
+            WriteBinaryLight(&chunk, l);
+        }
+
+        // write cameras
+        for (unsigned int i = 0; i < scene->mNumCameras; ++i) {
+            const aiCamera *cam = scene->mCameras[i];
+            WriteBinaryCamera(&chunk, cam);
+        }
+    }
+
+public:
+    AssbinFileWriter(bool shortened, bool compressed) :
+            shortened(shortened), compressed(compressed) {
+    }
+
+    // -----------------------------------------------------------------------------------
+    // Write a binary model dump
+    void WriteBinaryDump(const char *pFile, const char *cmd, IOSystem *pIOSystem, const aiScene *pScene) {
+        IOStream *out = pIOSystem->Open(pFile, "wb");
+        if (!out)
+            throw std::runtime_error("Unable to open output file " + std::string(pFile) + '\n');
+
+        auto CloseIOStream = [&]() {
+            if (out) {
+                pIOSystem->Close(out);
+                out = nullptr; // Ensure this is only done once.
+            }
+        };
+
+        try {
+            time_t tt = time(nullptr);
+#if _WIN32
+            tm *p = gmtime(&tt);
+#else
+            struct tm now;
+            tm *p = gmtime_r(&tt, &now);
+#endif
+
+            // header
+            char s[64];
+            memset(s, 0, 64);
+#if _MSC_VER >= 1400
+            sprintf_s(s, "ASSIMP.binary-dump.%s", asctime(p));
+#else
+            ai_snprintf(s, 64, "ASSIMP.binary-dump.%s", asctime(p));
+#endif
+            out->Write(s, 44, 1);
+            // == 44 bytes
+
+            Write<unsigned int>(out, ASSBIN_VERSION_MAJOR);
+            Write<unsigned int>(out, ASSBIN_VERSION_MINOR);
+            Write<unsigned int>(out, aiGetVersionRevision());
+            Write<unsigned int>(out, aiGetCompileFlags());
+            Write<uint16_t>(out, shortened);
+            Write<uint16_t>(out, compressed);
+            // ==  20 bytes
+
+            char buff[256] = { 0 };
+            ai_snprintf(buff, 256, "%s", pFile);
+            out->Write(buff, sizeof(char), 256);
+
+            memset(buff, 0, sizeof(buff));
+            ai_snprintf(buff, 128, "%s", cmd);
+            out->Write(buff, sizeof(char), 128);
+
+            // leave 64 bytes free for future extensions
+            memset(buff, 0xcd, 64);
+            out->Write(buff, sizeof(char), 64);
+            // == 435 bytes
+
+            // ==== total header size: 512 bytes
+            ai_assert(out->Tell() == ASSBIN_HEADER_LENGTH);
+
+            // Up to here the data is uncompressed. For compressed files, the rest
+            // is compressed using standard DEFLATE from zlib.
+            if (compressed) {
+                AssbinChunkWriter uncompressedStream(nullptr, 0);
+                WriteBinaryScene(&uncompressedStream, pScene);
+
+                uLongf uncompressedSize = static_cast<uLongf>(uncompressedStream.Tell());
+                uLongf compressedSize = (uLongf)compressBound(uncompressedSize);
+                uint8_t *compressedBuffer = new uint8_t[compressedSize];
+
+                int res = compress2(compressedBuffer, &compressedSize, (const Bytef *)uncompressedStream.GetBufferPointer(), uncompressedSize, 9);
+                if (res != Z_OK) {
+                    delete[] compressedBuffer;
+                    throw DeadlyExportError("Compression failed.");
+                }
+
+                out->Write(&uncompressedSize, sizeof(uint32_t), 1);
+                out->Write(compressedBuffer, sizeof(char), compressedSize);
+
+                delete[] compressedBuffer;
+            } else {
+                WriteBinaryScene(out, pScene);
+            }
+
+            CloseIOStream();
+        } catch (...) {
+            CloseIOStream();
+            throw;
+        }
+    }
+};
+
+void DumpSceneToAssbin(
+        const char *pFile, const char *cmd, IOSystem *pIOSystem,
+        const aiScene *pScene, bool shortened, bool compressed) {
+    AssbinFileWriter fileWriter(shortened, compressed);
+    fileWriter.WriteBinaryDump(pFile, cmd, pIOSystem, pScene);
+}
+#if _MSC_VER
+#pragma warning(pop)
+#endif // _MSC_VER
+
+} // end of namespace Assimp
diff --git a/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinFileWriter.h b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinFileWriter.h
new file mode 100644
index 0000000..cfed3b4
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinFileWriter.h
@@ -0,0 +1,65 @@
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+
+/** @file AssbinFileWriter.h
+ *  @brief Declaration of Assbin file writer.
+ */
+
+#ifndef AI_ASSBINFILEWRITER_H_INC
+#define AI_ASSBINFILEWRITER_H_INC
+
+#include <assimp/defs.h>
+#include <assimp/scene.h>
+#include <assimp/IOSystem.hpp>
+
+namespace Assimp {
+
+void ASSIMP_API DumpSceneToAssbin(
+        const char *pFile,
+        const char *cmd,
+        IOSystem *pIOSystem,
+        const aiScene *pScene,
+        bool shortened,
+        bool compressed);
+
+}
+
+#endif // AI_ASSBINFILEWRITER_H_INC
diff --git a/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinLoader.cpp b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinLoader.cpp
new file mode 100644
index 0000000..060ce43
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinLoader.cpp
@@ -0,0 +1,730 @@
+/*
+---------------------------------------------------------------------------
+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.
+---------------------------------------------------------------------------
+*/
+
+/** @file  AssbinLoader.cpp
+ *  @brief Implementation of the .assbin importer class
+ *
+ *  see assbin_chunks.h
+ */
+
+#ifndef ASSIMP_BUILD_NO_ASSBIN_IMPORTER
+
+// internal headers
+#include "AssetLib/Assbin/AssbinLoader.h"
+#include "Common/assbin_chunks.h"
+#include <assimp/MemoryIOWrapper.h>
+#include <assimp/anim.h>
+#include <assimp/importerdesc.h>
+#include <assimp/mesh.h>
+#include <assimp/scene.h>
+#include <memory>
+
+#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
+#include <zlib.h>
+#else
+#include <contrib/zlib/zlib.h>
+#endif
+
+using namespace Assimp;
+
+static const aiImporterDesc desc = {
+    "Assimp Binary Importer",
+    "Gargaj / Conspiracy",
+    "",
+    "",
+    aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportCompressedFlavour,
+    0,
+    0,
+    0,
+    0,
+    "assbin"
+};
+
+// -----------------------------------------------------------------------------------
+const aiImporterDesc *AssbinImporter::GetInfo() const {
+    return &desc;
+}
+
+// -----------------------------------------------------------------------------------
+bool AssbinImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
+    IOStream *in = pIOHandler->Open(pFile);
+    if (nullptr == in) {
+        return false;
+    }
+
+    char s[32];
+    in->Read(s, sizeof(char), 32);
+
+    pIOHandler->Close(in);
+
+    return strncmp(s, "ASSIMP.binary-dump.", 19) == 0;
+}
+
+// -----------------------------------------------------------------------------------
+template <typename T>
+T Read(IOStream *stream) {
+    T t;
+    size_t res = stream->Read(&t, sizeof(T), 1);
+    if (res != 1) {
+        throw DeadlyImportError("Unexpected EOF");
+    }
+    return t;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiVector3D Read<aiVector3D>(IOStream *stream) {
+    aiVector3D v;
+    v.x = Read<ai_real>(stream);
+    v.y = Read<ai_real>(stream);
+    v.z = Read<ai_real>(stream);
+    return v;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiColor4D Read<aiColor4D>(IOStream *stream) {
+    aiColor4D c;
+    c.r = Read<ai_real>(stream);
+    c.g = Read<ai_real>(stream);
+    c.b = Read<ai_real>(stream);
+    c.a = Read<ai_real>(stream);
+    return c;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiQuaternion Read<aiQuaternion>(IOStream *stream) {
+    aiQuaternion v;
+    v.w = Read<ai_real>(stream);
+    v.x = Read<ai_real>(stream);
+    v.y = Read<ai_real>(stream);
+    v.z = Read<ai_real>(stream);
+    return v;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiString Read<aiString>(IOStream *stream) {
+    aiString s;
+    stream->Read(&s.length, 4, 1);
+    if (s.length) {
+        stream->Read(s.data, s.length, 1);
+    }
+    s.data[s.length] = 0;
+
+    return s;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiVertexWeight Read<aiVertexWeight>(IOStream *stream) {
+    aiVertexWeight w;
+    w.mVertexId = Read<unsigned int>(stream);
+    w.mWeight = Read<ai_real>(stream);
+    return w;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiMatrix4x4 Read<aiMatrix4x4>(IOStream *stream) {
+    aiMatrix4x4 m;
+    for (unsigned int i = 0; i < 4; ++i) {
+        for (unsigned int i2 = 0; i2 < 4; ++i2) {
+            m[i][i2] = Read<ai_real>(stream);
+        }
+    }
+    return m;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiVectorKey Read<aiVectorKey>(IOStream *stream) {
+    aiVectorKey v;
+    v.mTime = Read<double>(stream);
+    v.mValue = Read<aiVector3D>(stream);
+    return v;
+}
+
+// -----------------------------------------------------------------------------------
+template <>
+aiQuatKey Read<aiQuatKey>(IOStream *stream) {
+    aiQuatKey v;
+    v.mTime = Read<double>(stream);
+    v.mValue = Read<aiQuaternion>(stream);
+    return v;
+}
+
+// -----------------------------------------------------------------------------------
+template <typename T>
+void ReadArray(IOStream *stream, T *out, unsigned int size) {
+    ai_assert(nullptr != stream);
+    ai_assert(nullptr != out);
+
+    for (unsigned int i = 0; i < size; i++) {
+        out[i] = Read<T>(stream);
+    }
+}
+
+// -----------------------------------------------------------------------------------
+template <typename T>
+void ReadBounds(IOStream *stream, T * /*p*/, unsigned int n) {
+    // not sure what to do here, the data isn't really useful.
+    stream->Seek(sizeof(T) * n, aiOrigin_CUR);
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryNode(IOStream *stream, aiNode **onode, aiNode *parent) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AINODE)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    std::unique_ptr<aiNode> node(new aiNode());
+
+    node->mName = Read<aiString>(stream);
+    node->mTransformation = Read<aiMatrix4x4>(stream);
+    unsigned numChildren = Read<unsigned int>(stream);
+    unsigned numMeshes = Read<unsigned int>(stream);
+    unsigned int nb_metadata = Read<unsigned int>(stream);
+
+    if (parent) {
+        node->mParent = parent;
+    }
+
+    if (numMeshes) {
+        node->mMeshes = new unsigned int[numMeshes];
+        for (unsigned int i = 0; i < numMeshes; ++i) {
+            node->mMeshes[i] = Read<unsigned int>(stream);
+            node->mNumMeshes++;
+        }
+    }
+
+    if (numChildren) {
+        node->mChildren = new aiNode *[numChildren];
+        for (unsigned int i = 0; i < numChildren; ++i) {
+            ReadBinaryNode(stream, &node->mChildren[i], node.get());
+            node->mNumChildren++;
+        }
+    }
+
+    if (nb_metadata > 0) {
+        node->mMetaData = aiMetadata::Alloc(nb_metadata);
+        for (unsigned int i = 0; i < nb_metadata; ++i) {
+            node->mMetaData->mKeys[i] = Read<aiString>(stream);
+            node->mMetaData->mValues[i].mType = (aiMetadataType)Read<uint16_t>(stream);
+            void *data = nullptr;
+
+            switch (node->mMetaData->mValues[i].mType) {
+            case AI_BOOL:
+                data = new bool(Read<bool>(stream));
+                break;
+            case AI_INT32:
+                data = new int32_t(Read<int32_t>(stream));
+                break;
+            case AI_UINT64:
+                data = new uint64_t(Read<uint64_t>(stream));
+                break;
+            case AI_FLOAT:
+                data = new ai_real(Read<ai_real>(stream));
+                break;
+            case AI_DOUBLE:
+                data = new double(Read<double>(stream));
+                break;
+            case AI_AISTRING:
+                data = new aiString(Read<aiString>(stream));
+                break;
+            case AI_AIVECTOR3D:
+                data = new aiVector3D(Read<aiVector3D>(stream));
+                break;
+#ifndef SWIG
+            case FORCE_32BIT:
+#endif // SWIG
+            default:
+                break;
+            }
+
+            node->mMetaData->mValues[i].mData = data;
+        }
+    }
+    *onode = node.release();
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryBone(IOStream *stream, aiBone *b) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIBONE)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    b->mName = Read<aiString>(stream);
+    b->mNumWeights = Read<unsigned int>(stream);
+    b->mOffsetMatrix = Read<aiMatrix4x4>(stream);
+
+    // for the moment we write dumb min/max values for the bones, too.
+    // maybe I'll add a better, hash-like solution later
+    if (shortened) {
+        ReadBounds(stream, b->mWeights, b->mNumWeights);
+    } else {
+        // else write as usual
+        b->mWeights = new aiVertexWeight[b->mNumWeights];
+        ReadArray<aiVertexWeight>(stream, b->mWeights, b->mNumWeights);
+    }
+}
+
+// -----------------------------------------------------------------------------------
+static bool fitsIntoUI16(unsigned int mNumVertices) {
+    return (mNumVertices < (1u << 16));
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryMesh(IOStream *stream, aiMesh *mesh) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIMESH)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    mesh->mPrimitiveTypes = Read<unsigned int>(stream);
+    mesh->mNumVertices = Read<unsigned int>(stream);
+    mesh->mNumFaces = Read<unsigned int>(stream);
+    mesh->mNumBones = Read<unsigned int>(stream);
+    mesh->mMaterialIndex = Read<unsigned int>(stream);
+
+    // first of all, write bits for all existent vertex components
+    unsigned int c = Read<unsigned int>(stream);
+
+    if (c & ASSBIN_MESH_HAS_POSITIONS) {
+        if (shortened) {
+            ReadBounds(stream, mesh->mVertices, mesh->mNumVertices);
+        } else {
+            // else write as usual
+            mesh->mVertices = new aiVector3D[mesh->mNumVertices];
+            ReadArray<aiVector3D>(stream, mesh->mVertices, mesh->mNumVertices);
+        }
+    }
+    if (c & ASSBIN_MESH_HAS_NORMALS) {
+        if (shortened) {
+            ReadBounds(stream, mesh->mNormals, mesh->mNumVertices);
+        } else {
+            // else write as usual
+            mesh->mNormals = new aiVector3D[mesh->mNumVertices];
+            ReadArray<aiVector3D>(stream, mesh->mNormals, mesh->mNumVertices);
+        }
+    }
+    if (c & ASSBIN_MESH_HAS_TANGENTS_AND_BITANGENTS) {
+        if (shortened) {
+            ReadBounds(stream, mesh->mTangents, mesh->mNumVertices);
+            ReadBounds(stream, mesh->mBitangents, mesh->mNumVertices);
+        } else {
+            // else write as usual
+            mesh->mTangents = new aiVector3D[mesh->mNumVertices];
+            ReadArray<aiVector3D>(stream, mesh->mTangents, mesh->mNumVertices);
+            mesh->mBitangents = new aiVector3D[mesh->mNumVertices];
+            ReadArray<aiVector3D>(stream, mesh->mBitangents, mesh->mNumVertices);
+        }
+    }
+    for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_COLOR_SETS; ++n) {
+        if (!(c & ASSBIN_MESH_HAS_COLOR(n))) {
+            break;
+        }
+
+        if (shortened) {
+            ReadBounds(stream, mesh->mColors[n], mesh->mNumVertices);
+        } else {
+            // else write as usual
+            mesh->mColors[n] = new aiColor4D[mesh->mNumVertices];
+            ReadArray<aiColor4D>(stream, mesh->mColors[n], mesh->mNumVertices);
+        }
+    }
+    for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++n) {
+        if (!(c & ASSBIN_MESH_HAS_TEXCOORD(n))) {
+            break;
+        }
+
+        // write number of UV components
+        mesh->mNumUVComponents[n] = Read<unsigned int>(stream);
+
+        if (shortened) {
+            ReadBounds(stream, mesh->mTextureCoords[n], mesh->mNumVertices);
+        } else {
+            // else write as usual
+            mesh->mTextureCoords[n] = new aiVector3D[mesh->mNumVertices];
+            ReadArray<aiVector3D>(stream, mesh->mTextureCoords[n], mesh->mNumVertices);
+        }
+    }
+
+    // write faces. There are no floating-point calculations involved
+    // in these, so we can write a simple hash over the face data
+    // to the dump file. We generate a single 32 Bit hash for 512 faces
+    // using Assimp's standard hashing function.
+    if (shortened) {
+        Read<unsigned int>(stream);
+    } else {
+        // else write as usual
+        // if there are less than 2^16 vertices, we can simply use 16 bit integers ...
+        mesh->mFaces = new aiFace[mesh->mNumFaces];
+        for (unsigned int i = 0; i < mesh->mNumFaces; ++i) {
+            aiFace &f = mesh->mFaces[i];
+
+            static_assert(AI_MAX_FACE_INDICES <= 0xffff, "AI_MAX_FACE_INDICES <= 0xffff");
+            f.mNumIndices = Read<uint16_t>(stream);
+            f.mIndices = new unsigned int[f.mNumIndices];
+
+            for (unsigned int a = 0; a < f.mNumIndices; ++a) {
+                // Check if unsigned  short ( 16 bit  ) are big enough for the indices
+                if (fitsIntoUI16(mesh->mNumVertices)) {
+                    f.mIndices[a] = Read<uint16_t>(stream);
+                } else {
+                    f.mIndices[a] = Read<unsigned int>(stream);
+                }
+            }
+        }
+    }
+
+    // write bones
+    if (mesh->mNumBones) {
+        mesh->mBones = new C_STRUCT aiBone *[mesh->mNumBones];
+        for (unsigned int a = 0; a < mesh->mNumBones; ++a) {
+            mesh->mBones[a] = new aiBone();
+            ReadBinaryBone(stream, mesh->mBones[a]);
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryMaterialProperty(IOStream *stream, aiMaterialProperty *prop) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIMATERIALPROPERTY)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    prop->mKey = Read<aiString>(stream);
+    prop->mSemantic = Read<unsigned int>(stream);
+    prop->mIndex = Read<unsigned int>(stream);
+
+    prop->mDataLength = Read<unsigned int>(stream);
+    prop->mType = (aiPropertyTypeInfo)Read<unsigned int>(stream);
+    prop->mData = new char[prop->mDataLength];
+    stream->Read(prop->mData, 1, prop->mDataLength);
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryMaterial(IOStream *stream, aiMaterial *mat) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIMATERIAL)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    mat->mNumAllocated = mat->mNumProperties = Read<unsigned int>(stream);
+    if (mat->mNumProperties) {
+        if (mat->mProperties) {
+            delete[] mat->mProperties;
+        }
+        mat->mProperties = new aiMaterialProperty *[mat->mNumProperties];
+        for (unsigned int i = 0; i < mat->mNumProperties; ++i) {
+            mat->mProperties[i] = new aiMaterialProperty();
+            ReadBinaryMaterialProperty(stream, mat->mProperties[i]);
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryNodeAnim(IOStream *stream, aiNodeAnim *nd) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AINODEANIM)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    nd->mNodeName = Read<aiString>(stream);
+    nd->mNumPositionKeys = Read<unsigned int>(stream);
+    nd->mNumRotationKeys = Read<unsigned int>(stream);
+    nd->mNumScalingKeys = Read<unsigned int>(stream);
+    nd->mPreState = (aiAnimBehaviour)Read<unsigned int>(stream);
+    nd->mPostState = (aiAnimBehaviour)Read<unsigned int>(stream);
+
+    if (nd->mNumPositionKeys) {
+        if (shortened) {
+            ReadBounds(stream, nd->mPositionKeys, nd->mNumPositionKeys);
+
+        } // else write as usual
+        else {
+            nd->mPositionKeys = new aiVectorKey[nd->mNumPositionKeys];
+            ReadArray<aiVectorKey>(stream, nd->mPositionKeys, nd->mNumPositionKeys);
+        }
+    }
+    if (nd->mNumRotationKeys) {
+        if (shortened) {
+            ReadBounds(stream, nd->mRotationKeys, nd->mNumRotationKeys);
+
+        } else {
+            // else write as usual
+            nd->mRotationKeys = new aiQuatKey[nd->mNumRotationKeys];
+            ReadArray<aiQuatKey>(stream, nd->mRotationKeys, nd->mNumRotationKeys);
+        }
+    }
+    if (nd->mNumScalingKeys) {
+        if (shortened) {
+            ReadBounds(stream, nd->mScalingKeys, nd->mNumScalingKeys);
+
+        } else {
+            // else write as usual
+            nd->mScalingKeys = new aiVectorKey[nd->mNumScalingKeys];
+            ReadArray<aiVectorKey>(stream, nd->mScalingKeys, nd->mNumScalingKeys);
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryAnim(IOStream *stream, aiAnimation *anim) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AIANIMATION)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    anim->mName = Read<aiString>(stream);
+    anim->mDuration = Read<double>(stream);
+    anim->mTicksPerSecond = Read<double>(stream);
+    anim->mNumChannels = Read<unsigned int>(stream);
+
+    if (anim->mNumChannels) {
+        anim->mChannels = new aiNodeAnim *[anim->mNumChannels];
+        for (unsigned int a = 0; a < anim->mNumChannels; ++a) {
+            anim->mChannels[a] = new aiNodeAnim();
+            ReadBinaryNodeAnim(stream, anim->mChannels[a]);
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryTexture(IOStream *stream, aiTexture *tex) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AITEXTURE)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    tex->mWidth = Read<unsigned int>(stream);
+    tex->mHeight = Read<unsigned int>(stream);
+    stream->Read(tex->achFormatHint, sizeof(char), HINTMAXTEXTURELEN - 1);
+
+    if (!shortened) {
+        if (!tex->mHeight) {
+            tex->pcData = new aiTexel[tex->mWidth];
+            stream->Read(tex->pcData, 1, tex->mWidth);
+        } else {
+            tex->pcData = new aiTexel[tex->mWidth * tex->mHeight];
+            stream->Read(tex->pcData, 1, tex->mWidth * tex->mHeight * 4);
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryLight(IOStream *stream, aiLight *l) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AILIGHT)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    l->mName = Read<aiString>(stream);
+    l->mType = (aiLightSourceType)Read<unsigned int>(stream);
+
+    if (l->mType != aiLightSource_DIRECTIONAL) {
+        l->mAttenuationConstant = Read<float>(stream);
+        l->mAttenuationLinear = Read<float>(stream);
+        l->mAttenuationQuadratic = Read<float>(stream);
+    }
+
+    l->mColorDiffuse = Read<aiColor3D>(stream);
+    l->mColorSpecular = Read<aiColor3D>(stream);
+    l->mColorAmbient = Read<aiColor3D>(stream);
+
+    if (l->mType == aiLightSource_SPOT) {
+        l->mAngleInnerCone = Read<float>(stream);
+        l->mAngleOuterCone = Read<float>(stream);
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryCamera(IOStream *stream, aiCamera *cam) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AICAMERA)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    cam->mName = Read<aiString>(stream);
+    cam->mPosition = Read<aiVector3D>(stream);
+    cam->mLookAt = Read<aiVector3D>(stream);
+    cam->mUp = Read<aiVector3D>(stream);
+    cam->mHorizontalFOV = Read<float>(stream);
+    cam->mClipPlaneNear = Read<float>(stream);
+    cam->mClipPlaneFar = Read<float>(stream);
+    cam->mAspect = Read<float>(stream);
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::ReadBinaryScene(IOStream *stream, aiScene *scene) {
+    if (Read<uint32_t>(stream) != ASSBIN_CHUNK_AISCENE)
+        throw DeadlyImportError("Magic chunk identifiers are wrong!");
+    /*uint32_t size =*/Read<uint32_t>(stream);
+
+    scene->mFlags = Read<unsigned int>(stream);
+    scene->mNumMeshes = Read<unsigned int>(stream);
+    scene->mNumMaterials = Read<unsigned int>(stream);
+    scene->mNumAnimations = Read<unsigned int>(stream);
+    scene->mNumTextures = Read<unsigned int>(stream);
+    scene->mNumLights = Read<unsigned int>(stream);
+    scene->mNumCameras = Read<unsigned int>(stream);
+
+    // Read node graph
+    //scene->mRootNode = new aiNode[1];
+    ReadBinaryNode(stream, &scene->mRootNode, (aiNode *)nullptr);
+
+    // Read all meshes
+    if (scene->mNumMeshes) {
+        scene->mMeshes = new aiMesh *[scene->mNumMeshes];
+        memset(scene->mMeshes, 0, scene->mNumMeshes * sizeof(aiMesh *));
+        for (unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+            scene->mMeshes[i] = new aiMesh();
+            ReadBinaryMesh(stream, scene->mMeshes[i]);
+        }
+    }
+
+    // Read materials
+    if (scene->mNumMaterials) {
+        scene->mMaterials = new aiMaterial *[scene->mNumMaterials];
+        memset(scene->mMaterials, 0, scene->mNumMaterials * sizeof(aiMaterial *));
+        for (unsigned int i = 0; i < scene->mNumMaterials; ++i) {
+            scene->mMaterials[i] = new aiMaterial();
+            ReadBinaryMaterial(stream, scene->mMaterials[i]);
+        }
+    }
+
+    // Read all animations
+    if (scene->mNumAnimations) {
+        scene->mAnimations = new aiAnimation *[scene->mNumAnimations];
+        memset(scene->mAnimations, 0, scene->mNumAnimations * sizeof(aiAnimation *));
+        for (unsigned int i = 0; i < scene->mNumAnimations; ++i) {
+            scene->mAnimations[i] = new aiAnimation();
+            ReadBinaryAnim(stream, scene->mAnimations[i]);
+        }
+    }
+
+    // Read all textures
+    if (scene->mNumTextures) {
+        scene->mTextures = new aiTexture *[scene->mNumTextures];
+        memset(scene->mTextures, 0, scene->mNumTextures * sizeof(aiTexture *));
+        for (unsigned int i = 0; i < scene->mNumTextures; ++i) {
+            scene->mTextures[i] = new aiTexture();
+            ReadBinaryTexture(stream, scene->mTextures[i]);
+        }
+    }
+
+    // Read lights
+    if (scene->mNumLights) {
+        scene->mLights = new aiLight *[scene->mNumLights];
+        memset(scene->mLights, 0, scene->mNumLights * sizeof(aiLight *));
+        for (unsigned int i = 0; i < scene->mNumLights; ++i) {
+            scene->mLights[i] = new aiLight();
+            ReadBinaryLight(stream, scene->mLights[i]);
+        }
+    }
+
+    // Read cameras
+    if (scene->mNumCameras) {
+        scene->mCameras = new aiCamera *[scene->mNumCameras];
+        memset(scene->mCameras, 0, scene->mNumCameras * sizeof(aiCamera *));
+        for (unsigned int i = 0; i < scene->mNumCameras; ++i) {
+            scene->mCameras[i] = new aiCamera();
+            ReadBinaryCamera(stream, scene->mCameras[i]);
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------------
+void AssbinImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
+    IOStream *stream = pIOHandler->Open(pFile, "rb");
+    if (nullptr == stream) {
+        throw DeadlyImportError("ASSBIN: Could not open ", pFile);
+    }
+
+    // signature
+    stream->Seek(44, aiOrigin_CUR);
+
+    unsigned int versionMajor = Read<unsigned int>(stream);
+    unsigned int versionMinor = Read<unsigned int>(stream);
+    if (versionMinor != ASSBIN_VERSION_MINOR || versionMajor != ASSBIN_VERSION_MAJOR) {
+        throw DeadlyImportError("Invalid version, data format not compatible!");
+    }
+
+    /*unsigned int versionRevision =*/Read<unsigned int>(stream);
+    /*unsigned int compileFlags =*/Read<unsigned int>(stream);
+
+    shortened = Read<uint16_t>(stream) > 0;
+    compressed = Read<uint16_t>(stream) > 0;
+
+    if (shortened)
+        throw DeadlyImportError("Shortened binaries are not supported!");
+
+    stream->Seek(256, aiOrigin_CUR); // original filename
+    stream->Seek(128, aiOrigin_CUR); // options
+    stream->Seek(64, aiOrigin_CUR); // padding
+
+    if (compressed) {
+        uLongf uncompressedSize = Read<uint32_t>(stream);
+        uLongf compressedSize = static_cast<uLongf>(stream->FileSize() - stream->Tell());
+
+        unsigned char *compressedData = new unsigned char[compressedSize];
+        size_t len = stream->Read(compressedData, 1, compressedSize);
+        ai_assert(len == compressedSize);
+
+        unsigned char *uncompressedData = new unsigned char[uncompressedSize];
+
+        int res = uncompress(uncompressedData, &uncompressedSize, compressedData, (uLong)len);
+        if (res != Z_OK) {
+            delete[] uncompressedData;
+            delete[] compressedData;
+            pIOHandler->Close(stream);
+            throw DeadlyImportError("Zlib decompression failed.");
+        }
+
+        MemoryIOStream io(uncompressedData, uncompressedSize);
+
+        ReadBinaryScene(&io, pScene);
+
+        delete[] uncompressedData;
+        delete[] compressedData;
+    } else {
+        ReadBinaryScene(stream, pScene);
+    }
+
+    pIOHandler->Close(stream);
+}
+
+#endif // !! ASSIMP_BUILD_NO_ASSBIN_IMPORTER
diff --git a/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinLoader.h b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinLoader.h
new file mode 100644
index 0000000..f922b91
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assbin/AssbinLoader.h
@@ -0,0 +1,99 @@
+
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  AssbinLoader.h
+ *  @brief .assbin File format loader
+ */
+#ifndef AI_ASSBINIMPORTER_H_INC
+#define AI_ASSBINIMPORTER_H_INC
+
+#include <assimp/BaseImporter.h>
+
+struct aiMesh;
+struct aiNode;
+struct aiBone;
+struct aiMaterial;
+struct aiMaterialProperty;
+struct aiNodeAnim;
+struct aiAnimation;
+struct aiTexture;
+struct aiLight;
+struct aiCamera;
+
+#ifndef ASSIMP_BUILD_NO_ASSBIN_IMPORTER
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------------
+/** Importer class for 3D Studio r3 and r4 3DS files
+ */
+class AssbinImporter : public BaseImporter
+{
+private:
+    bool shortened;
+    bool compressed;
+
+public:
+    bool CanRead(const std::string& pFile,
+        IOSystem* pIOHandler, bool checkSig) const override;
+    const aiImporterDesc* GetInfo() const override;
+    void InternReadFile(
+    const std::string& pFile,aiScene* pScene,IOSystem* pIOHandler) override;
+    void ReadHeader();
+    void ReadBinaryScene( IOStream * stream, aiScene* pScene );
+    void ReadBinaryNode( IOStream * stream, aiNode** mRootNode, aiNode* parent );
+    void ReadBinaryMesh( IOStream * stream, aiMesh* mesh );
+    void ReadBinaryBone( IOStream * stream, aiBone* bone );
+    void ReadBinaryMaterial(IOStream * stream, aiMaterial* mat);
+    void ReadBinaryMaterialProperty(IOStream * stream, aiMaterialProperty* prop);
+    void ReadBinaryNodeAnim(IOStream * stream, aiNodeAnim* nd);
+    void ReadBinaryAnim( IOStream * stream, aiAnimation* anim );
+    void ReadBinaryTexture(IOStream * stream, aiTexture* tex);
+    void ReadBinaryLight( IOStream * stream, aiLight* l );
+    void ReadBinaryCamera( IOStream * stream, aiCamera* cam );
+};
+
+} // end of namespace Assimp
+
+#endif // !! ASSIMP_BUILD_NO_ASSBIN_IMPORTER
+
+#endif // AI_ASSBINIMPORTER_H_INC