add assimp submodule

11 files changed, 3233 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/tools/assimp_cmd/CMakeLists.txt b/src/mesh/assimp-master/tools/assimp_cmd/CMakeLists.txt
new file mode 100644
index 0000000..6f4b613
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/CMakeLists.txt
@@ -0,0 +1,73 @@
+# 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.
+#
+#----------------------------------------------------------------------
+cmake_minimum_required( VERSION 3.10 )
+
+INCLUDE_DIRECTORIES(
+  ${Assimp_SOURCE_DIR}/include
+  ${Assimp_SOURCE_DIR}/code
+  ${Assimp_BINARY_DIR}/tools/assimp_cmd
+)
+
+LINK_DIRECTORIES( ${Assimp_BINARY_DIR} ${Assimp_BINARY_DIR}/lib )
+
+ADD_EXECUTABLE( assimp_cmd
+  assimp_cmd.rc
+  CompareDump.cpp
+  ImageExtractor.cpp
+  Main.cpp
+  Main.h
+  resource.h
+  WriteDump.cpp
+  Info.cpp
+  Export.cpp
+)
+
+TARGET_USE_COMMON_OUTPUT_DIRECTORY(assimp_cmd)
+
+SET_PROPERTY(TARGET assimp_cmd PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
+
+TARGET_LINK_LIBRARIES( assimp_cmd assimp ${ZLIB_LIBRARIES} )
+SET_TARGET_PROPERTIES( assimp_cmd PROPERTIES
+  OUTPUT_NAME assimp
+)
+
+INSTALL( TARGETS assimp_cmd
+  DESTINATION "${ASSIMP_BIN_INSTALL_DIR}" COMPONENT assimp-bin
+)
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/CompareDump.cpp b/src/mesh/assimp-master/tools/assimp_cmd/CompareDump.cpp
new file mode 100644
index 0000000..49f680c
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/CompareDump.cpp
@@ -0,0 +1,956 @@
+/*
+---------------------------------------------------------------------------
+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  CompareDump.cpp
+ *  @brief Implementation of the 'assimp cmpdmp', which compares
+ *    two model dumps for equality. It plays an important role
+ *    in the regression test suite.
+ */
+
+#include "Main.h"
+const char* AICMD_MSG_CMPDUMP_HELP =
+"assimp cmpdump <actual> <expected>\n"
+"\tCompare two short dumps produced with \'assimp dump <..> -s\' for equality.\n"
+;
+
+#include "Common/assbin_chunks.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+#include "generic_inserter.hpp"
+#include <map>
+#include <deque>
+#include <stack>
+#include <sstream>
+#include <iostream>
+#include <assimp/ai_assert.h>
+
+// get << for aiString
+template <typename char_t, typename traits_t>
+void mysprint(std::basic_ostream<char_t, traits_t>& os,  const aiString& vec)   {
+    os << "[length: \'" << std::dec << vec.length << "\' content: \'"  << vec.data << "\']";
+}
+
+template <typename char_t, typename traits_t>
+std::basic_ostream<char_t, traits_t>& operator<< (std::basic_ostream<char_t, traits_t>& os, const aiString& vec)    {
+    return generic_inserter(mysprint<char_t,traits_t>, os, vec);
+}
+
+class sliced_chunk_iterator;
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// @class  compare_fails_exception
+///
+/// @brief  Sentinel exception to return quickly from deeply nested control paths
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class compare_fails_exception : public virtual std::exception {
+public:
+
+    enum {MAX_ERR_LEN = 4096};
+
+    /* public c'tors */
+    compare_fails_exception(const char* msg) {
+        strncpy(mywhat,msg,MAX_ERR_LEN-1);
+        strcat(mywhat,"\n");
+    }
+
+    /* public member functions */
+    const char* what() const throw() {
+        return mywhat;
+    }
+
+private:
+
+    char mywhat[MAX_ERR_LEN+1];
+};
+
+
+#define MY_FLT_EPSILON 1e-1f
+#define MY_DBL_EPSILON 1e-1
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// @class  comparer_context
+///
+/// @brief  Record our way through the files to be compared and dump useful information if we fail.
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class comparer_context {
+    friend class sliced_chunk_iterator;
+
+public:
+
+    /* construct given two file handles to compare */
+    comparer_context(FILE* actual,FILE* expect)
+        : actual(actual)
+        , expect(expect)
+        , cnt_chunks(0)
+    {
+        ai_assert(actual);
+        ai_assert(expect);
+
+        fseek(actual,0,SEEK_END);
+        lengths.push(std::make_pair(static_cast<uint32_t>(ftell(actual)),0));
+        fseek(actual,0,SEEK_SET);
+
+        history.push_back(HistoryEntry("---",PerChunkCounter()));
+    }
+
+public:
+
+
+    /* set new scope */
+    void push_elem(const char* msg) {
+        const std::string s = msg;
+
+        PerChunkCounter::const_iterator it = history.back().second.find(s);
+        if(it != history.back().second.end()) {
+            ++history.back().second[s];
+        }
+        else history.back().second[s] = 0;
+
+        history.push_back(HistoryEntry(s,PerChunkCounter()));
+        debug_trace.push_back("PUSH " + s);
+    }
+
+    /* leave current scope */
+    void pop_elem() {
+        ai_assert(history.size());
+        debug_trace.push_back("POP "+ history.back().first);
+        history.pop_back();
+    }
+
+
+    /* push current chunk length and start offset on top of stack */
+    void push_length(uint32_t nl, uint32_t start) {
+        lengths.push(std::make_pair(nl,start));
+        ++cnt_chunks;
+    }
+
+    /* pop the chunk length stack */
+    void pop_length() {
+        ai_assert(lengths.size());
+        lengths.pop();
+    }
+
+    /* access the current chunk length */
+    uint32_t get_latest_chunk_length() {
+        ai_assert(lengths.size());
+        return lengths.top().first;
+    }
+
+    /* access the current chunk start offset */
+    uint32_t get_latest_chunk_start() {
+        ai_assert(lengths.size());
+        return lengths.top().second;
+    }
+
+    /* total number of chunk headers passed so far*/
+    uint32_t get_num_chunks() {
+        return cnt_chunks;
+    }
+
+
+    /* get ACTUAL file desc. != NULL */
+    FILE* get_actual() const {
+        return actual;
+    }
+
+    /* get EXPECT file desc. != NULL */
+    FILE* get_expect() const {
+        return expect;
+    }
+
+
+    /* compare next T from both streams, name occurs in error messages */
+    template<typename T> T cmp(const std::string& name) {
+        T a,e;
+        read(a,e);
+
+        if(a != e) {
+            std::stringstream ss;
+            failure((ss<< "Expected " << e << ", but actual is " << a,
+                ss.str()),name);
+        }
+    //  std::cout << name << " " << std::hex << a << std::endl;
+        return a;
+    }
+
+    /* compare next num T's from both streams, name occurs in error messages */
+    template<typename T> void cmp(size_t num,const std::string& name) {
+        for(size_t n = 0; n < num; ++n) {
+            std::stringstream ss;
+            cmp<T>((ss<<name<<"["<<n<<"]",ss.str()));
+    //      std::cout << name << " " << std::hex << a << std::endl;
+        }
+    }
+
+    /* Bounds of an aiVector3D array (separate function
+     *  because partial specializations of member functions are illegal--)*/
+    template<typename T> void cmp_bounds(const std::string& name) {
+        cmp<T> (name+".<minimum-value>");
+        cmp<T> (name+".<maximum-value>");
+    }
+
+private:
+
+    /* Report failure */
+    AI_WONT_RETURN void failure(const std::string& err, const std::string& name) AI_WONT_RETURN_SUFFIX {
+        std::stringstream ss;
+        throw compare_fails_exception((ss
+            << "Files are different at "
+            << history.back().first
+            << "."
+            << name
+            << ".\nError is: "
+            << err
+            << ".\nCurrent position in scene hierarchy is "
+            << print_hierarchy(),ss.str().c_str()
+            ));
+    }
+
+    /** print our 'stack' */
+    std::string print_hierarchy() {
+        std::stringstream ss;
+        ss << "\n";
+
+        const char* last = history.back().first.c_str();
+        std::string pad;
+
+        for(ChunkHistory::reverse_iterator rev = history.rbegin(),
+            end = history.rend(); rev != end; ++rev, pad += "  ")
+        {
+            ss << pad << (*rev).first << "(Index: " << (*rev).second[last] << ")" << "\n";
+            last = (*rev).first.c_str();
+        }
+
+        ss << std::endl << "Debug trace: "<< "\n";
+        for (std::vector<std::string>::const_iterator it = debug_trace.begin(); it != debug_trace.end(); ++it) {
+            ss << *it << "\n";
+        }
+        ss << std::flush;
+
+        return ss.str();
+    }
+
+
+    /* read from both streams at the same time */
+    template <typename T> void read(T& filla,T& fille) {
+        if(1 != fread(&filla,sizeof(T),1,actual)) {
+            EOFActual();
+        }
+        if(1 != fread(&fille,sizeof(T),1,expect)) {
+            EOFExpect();
+        }
+    }
+
+private:
+
+    void EOFActual() {
+        std::stringstream ss;
+        throw compare_fails_exception((ss
+            << "Unexpected EOF reading ACTUAL.\nCurrent position in scene hierarchy is "
+            << print_hierarchy(),ss.str().c_str()
+            ));
+    }
+
+    void EOFExpect() {
+        std::stringstream ss;
+        throw compare_fails_exception((ss
+            << "Unexpected EOF reading EXPECT.\nCurrent position in scene hierarchy is "
+            << print_hierarchy(),ss.str().c_str()
+            ));
+    }
+
+
+    FILE *const actual, *const expect;
+
+    typedef std::map<std::string,unsigned int> PerChunkCounter;
+    typedef std::pair<std::string,PerChunkCounter> HistoryEntry;
+
+    typedef std::deque<HistoryEntry> ChunkHistory;
+    ChunkHistory history;
+
+    std::vector<std::string> debug_trace;
+
+    typedef std::stack<std::pair<uint32_t,uint32_t> > LengthStack;
+    LengthStack lengths;
+
+    uint32_t cnt_chunks;
+};
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* specialization for aiString (it needs separate handling because its on-disk representation
+ * differs from its binary representation in memory and can't be treated as an array of n T's.*/
+template <> void comparer_context :: read<aiString>(aiString& filla,aiString& fille) {
+    uint32_t lena,lene;
+    read(lena,lene);
+
+    if(lena && 1 != fread(&filla.data,lena,1,actual)) {
+        EOFActual();
+    }
+    if(lene && 1 != fread(&fille.data,lene,1,expect)) {
+        EOFExpect();
+    }
+
+    fille.data[fille.length=static_cast<unsigned int>(lene)] = '\0';
+    filla.data[filla.length=static_cast<unsigned int>(lena)] = '\0';
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for float, uses epsilon for comparisons*/
+template<> float comparer_context :: cmp<float>(const std::string& name)
+{
+    float a,e,t;
+    read(a,e);
+
+    if((t=fabs(a-e)) > MY_FLT_EPSILON) {
+        std::stringstream ss;
+        failure((ss<< "Expected " << e << ", but actual is "
+            << a << " (delta is " << t << ")", ss.str()),name);
+    }
+    return a;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for double, uses epsilon for comparisons*/
+template<> double comparer_context :: cmp<double>(const std::string& name)
+{
+    double a,e,t;
+    read(a,e);
+
+    if((t=fabs(a-e)) > MY_DBL_EPSILON) {
+        std::stringstream ss;
+        failure((ss<< "Expected " << e << ", but actual is "
+            << a << " (delta is " << t << ")", ss.str()),name);
+    }
+    return a;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiVector3D */
+template<> aiVector3D comparer_context :: cmp<aiVector3D >(const std::string& name)
+{
+    const float x = cmp<float>(name+".x");
+    const float y = cmp<float>(name+".y");
+    const float z = cmp<float>(name+".z");
+
+    return aiVector3D(x,y,z);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiColor4D */
+template<> aiColor4D comparer_context :: cmp<aiColor4D >(const std::string& name)
+{
+    const float r = cmp<float>(name+".r");
+    const float g = cmp<float>(name+".g");
+    const float b = cmp<float>(name+".b");
+    const float a = cmp<float>(name+".a");
+
+    return aiColor4D(r,g,b,a);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiQuaternion */
+template<> aiQuaternion comparer_context :: cmp<aiQuaternion >(const std::string& name)
+{
+    const float w = cmp<float>(name+".w");
+    const float x = cmp<float>(name+".x");
+    const float y = cmp<float>(name+".y");
+    const float z = cmp<float>(name+".z");
+
+    return aiQuaternion(w,x,y,z);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiQuatKey */
+template<> aiQuatKey comparer_context :: cmp<aiQuatKey >(const std::string& name)
+{
+    const double mTime = cmp<double>(name+".mTime");
+    const aiQuaternion mValue = cmp<aiQuaternion>(name+".mValue");
+
+    return aiQuatKey(mTime,mValue);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiVectorKey */
+template<> aiVectorKey comparer_context :: cmp<aiVectorKey >(const std::string& name)
+{
+    const double mTime = cmp<double>(name+".mTime");
+    const aiVector3D mValue = cmp<aiVector3D>(name+".mValue");
+
+    return aiVectorKey(mTime,mValue);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiMatrix4x4 */
+template<> aiMatrix4x4 comparer_context :: cmp<aiMatrix4x4 >(const std::string& name)
+{
+    aiMatrix4x4 res;
+    for(unsigned int i = 0; i < 4; ++i) {
+        for(unsigned int j = 0; j < 4; ++j) {
+            std::stringstream ss;
+            res[i][j] = cmp<float>(name+(ss<<".m"<<i<<j,ss.str()));
+        }
+    }
+
+    return res;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/* Specialization for aiVertexWeight */
+template<> aiVertexWeight comparer_context :: cmp<aiVertexWeight >(const std::string& name)
+{
+    const unsigned int mVertexId = cmp<unsigned int>(name+".mVertexId");
+    const float mWeight = cmp<float>(name+".mWeight");
+
+    return aiVertexWeight(mVertexId,mWeight);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// @class  sliced_chunk_iterator
+///
+/// @brief  Helper to iterate easily through corresponding chunks of two dumps simultaneously.
+///
+/// Not a *real* iterator, doesn't fully conform to the isocpp iterator spec
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class sliced_chunk_iterator {
+
+    friend class sliced_chunk_reader;
+    sliced_chunk_iterator(comparer_context& ctx, long end)
+        : ctx(ctx)
+        , endit(false)
+        , next(std::numeric_limits<long>::max())
+        , end(end)
+    {
+        load_next();
+    }
+
+public:
+
+    ~sliced_chunk_iterator() {
+        fseek(ctx.get_actual(),end,SEEK_SET);
+        fseek(ctx.get_expect(),end,SEEK_SET);
+    }
+
+public:
+
+    /* get current chunk head */
+    typedef std::pair<uint32_t,uint32_t> Chunk;
+    const Chunk& operator*() {
+        return current;
+    }
+
+    /* get to next chunk head */
+    const sliced_chunk_iterator& operator++() {
+        cleanup();
+        load_next();
+        return *this;
+    }
+
+    /* */
+    bool is_end() const {
+        return endit;
+    }
+
+private:
+
+    /* get to the end of *this* chunk */
+    void cleanup() {
+        if(next != std::numeric_limits<long>::max()) {
+            fseek(ctx.get_actual(),next,SEEK_SET);
+            fseek(ctx.get_expect(),next,SEEK_SET);
+
+            ctx.pop_length();
+        }
+    }
+
+    /* advance to the next chunk */
+    void load_next() {
+
+        Chunk actual;
+        size_t res=0;
+
+        const long cur = ftell(ctx.get_expect());
+        if(end-cur<8) {
+            current = std::make_pair(0u,0u);
+            endit = true;
+            return;
+        }
+
+        res|=fread(&current.first,4,1,ctx.get_expect());
+        res|=fread(&current.second,4,1,ctx.get_expect())    <<1u;
+        res|=fread(&actual.first,4,1,ctx.get_actual())      <<2u;
+        res|=fread(&actual.second,4,1,ctx.get_actual())     <<3u;
+
+        if(res!=0xf) {
+            ctx.failure("IO Error reading chunk head, dumps are malformed","<ChunkHead>");
+        }
+
+        if (current.first != actual.first) {
+            std::stringstream ss;
+            ctx.failure((ss
+                <<"Chunk headers do not match. EXPECT: "
+                << std::hex << current.first
+                <<" ACTUAL: "
+                << /*std::hex */actual.first,
+                ss.str()),
+                "<ChunkHead>");
+        }
+
+        if (current.first != actual.first) {
+            std::stringstream ss;
+            ctx.failure((ss
+                <<"Chunk lengths do not match. EXPECT: "
+                <<current.second
+                <<" ACTUAL: "
+                << actual.second,
+                ss.str()),
+                "<ChunkHead>");
+        }
+
+        next = cur+current.second+8;
+        ctx.push_length(current.second,cur+8);
+    }
+
+    comparer_context& ctx;
+    Chunk current;
+    bool endit;
+    long next,end;
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// @class  sliced_chunk_reader
+///
+/// @brief  Helper to iterate easily through corresponding chunks of two dumps simultaneously.
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class sliced_chunk_reader  {
+public:
+
+    //
+    sliced_chunk_reader(comparer_context& ctx)
+        : ctx(ctx)
+    {}
+
+    //
+    ~sliced_chunk_reader() {
+    }
+
+public:
+
+    sliced_chunk_iterator begin() const {
+        return sliced_chunk_iterator(ctx,ctx.get_latest_chunk_length()+
+            ctx.get_latest_chunk_start());
+    }
+
+private:
+
+    comparer_context& ctx;
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// @class  scoped_chunk
+///
+/// @brief  Utility to simplify usage of comparer_context.push_elem/pop_elem
+////////////////////////////////////////////////////////////////////////////////////////////////////
+class scoped_chunk {
+public:
+
+    //
+    scoped_chunk(comparer_context& ctx,const char* msg)
+        : ctx(ctx)
+    {
+        ctx.push_elem(msg);
+    }
+
+    //
+    ~scoped_chunk()
+    {
+        ctx.pop_elem();
+    }
+
+private:
+
+    comparer_context& ctx;
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyMaterialProperty(comparer_context& comp)    {
+    scoped_chunk chunk(comp,"aiMaterialProperty");
+
+    comp.cmp<aiString>("mKey");
+    comp.cmp<uint32_t>("mSemantic");
+    comp.cmp<uint32_t>("mIndex");
+    const uint32_t length = comp.cmp<uint32_t>("mDataLength");
+    const aiPropertyTypeInfo type = static_cast<aiPropertyTypeInfo>(
+        comp.cmp<uint32_t>("mType"));
+
+    switch (type)
+    {
+        case aiPTI_Float:
+            comp.cmp<float>(length/4,"mData");
+            break;
+
+        case aiPTI_String:
+            comp.cmp<aiString>("mData");
+            break;
+
+        case aiPTI_Integer:
+            comp.cmp<uint32_t>(length/4,"mData");
+            break;
+
+        case aiPTI_Buffer:
+            comp.cmp<uint8_t>(length,"mData");
+            break;
+
+        default:
+            break;
+    };
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyMaterial(comparer_context& comp)    {
+    scoped_chunk chunk(comp,"aiMaterial");
+
+    comp.cmp<uint32_t>("aiMaterial::mNumProperties");
+    sliced_chunk_reader reader(comp);
+    for(sliced_chunk_iterator it = reader.begin(); !it.is_end(); ++it) {
+        if ((*it).first == ASSBIN_CHUNK_AIMATERIALPROPERTY) {
+            CompareOnTheFlyMaterialProperty(comp);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyBone(comparer_context& comp)    {
+    scoped_chunk chunk(comp,"aiBone");
+    comp.cmp<aiString>("mName");
+    comp.cmp<uint32_t>("mNumWeights");
+    comp.cmp<aiMatrix4x4>("mOffsetMatrix");
+
+    comp.cmp_bounds<aiVertexWeight>("mWeights");
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyNodeAnim(comparer_context& comp)    {
+    scoped_chunk chunk(comp,"aiNodeAnim");
+
+    comp.cmp<aiString>("mNodeName");
+    comp.cmp<uint32_t>("mNumPositionKeys");
+    comp.cmp<uint32_t>("mNumRotationKeys");
+    comp.cmp<uint32_t>("mNumScalingKeys");
+    comp.cmp<uint32_t>("mPreState");
+    comp.cmp<uint32_t>("mPostState");
+
+    comp.cmp_bounds<aiVectorKey>("mPositionKeys");
+    comp.cmp_bounds<aiQuatKey>("mRotationKeys");
+    comp.cmp_bounds<aiVectorKey>("mScalingKeys");
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyMesh(comparer_context& comp)    {
+    scoped_chunk chunk(comp,"aiMesh");
+
+    comp.cmp<uint32_t>("mPrimitiveTypes");
+    comp.cmp<uint32_t>("mNumVertices");
+    const uint32_t nf = comp.cmp<uint32_t>("mNumFaces");
+    comp.cmp<uint32_t>("mNumBones");
+    comp.cmp<uint32_t>("mMaterialIndex");
+
+    const uint32_t present = comp.cmp<uint32_t>("<vertex-components-present>");
+    if(present & ASSBIN_MESH_HAS_POSITIONS) {
+        comp.cmp_bounds<aiVector3D>("mVertices");
+    }
+
+    if(present & ASSBIN_MESH_HAS_NORMALS) {
+        comp.cmp_bounds<aiVector3D>("mNormals");
+    }
+
+    if(present & ASSBIN_MESH_HAS_TANGENTS_AND_BITANGENTS) {
+        comp.cmp_bounds<aiVector3D>("mTangents");
+        comp.cmp_bounds<aiVector3D>("mBitangents");
+    }
+
+    for(unsigned int i = 0; present & ASSBIN_MESH_HAS_COLOR(i); ++i) {
+        std::stringstream ss;
+        comp.cmp_bounds<aiColor4D>((ss<<"mColors["<<i<<"]",ss.str()));
+    }
+
+    for(unsigned int i = 0; present & ASSBIN_MESH_HAS_TEXCOORD(i); ++i) {
+        std::stringstream ss;
+        comp.cmp<uint32_t>((ss<<"mNumUVComponents["<<i<<"]",ss.str()));
+        comp.cmp_bounds<aiVector3D>((ss.clear(),ss<<"mTextureCoords["<<i<<"]",ss.str()));
+    }
+
+    for(unsigned int i = 0; i< ((nf+511)/512); ++i) {
+        std::stringstream ss;
+        comp.cmp<uint32_t>((ss<<"mFaces["<<i*512<<"-"<<std::min(static_cast<
+            uint32_t>((i+1)*512),nf)<<"]",ss.str()));
+    }
+
+    sliced_chunk_reader reader(comp);
+    for(sliced_chunk_iterator it = reader.begin(); !it.is_end(); ++it) {
+        if ((*it).first == ASSBIN_CHUNK_AIBONE) {
+            CompareOnTheFlyBone(comp);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyCamera(comparer_context& comp)  {
+    scoped_chunk chunk(comp,"aiCamera");
+
+    comp.cmp<aiString>("mName");
+
+    comp.cmp<aiVector3D>("mPosition");
+    comp.cmp<aiVector3D>("mLookAt");
+    comp.cmp<aiVector3D>("mUp");
+
+    comp.cmp<float>("mHorizontalFOV");
+    comp.cmp<float>("mClipPlaneNear");
+    comp.cmp<float>("mClipPlaneFar");
+    comp.cmp<float>("mAspect");
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyLight(comparer_context& comp)   {
+    scoped_chunk chunk(comp,"aiLight");
+
+    comp.cmp<aiString>("mName");
+    const aiLightSourceType type = static_cast<aiLightSourceType>(
+        comp.cmp<uint32_t>("mType"));
+
+    if(type!=aiLightSource_DIRECTIONAL) {
+        comp.cmp<float>("mAttenuationConstant");
+        comp.cmp<float>("mAttenuationLinear");
+        comp.cmp<float>("mAttenuationQuadratic");
+    }
+
+    comp.cmp<aiVector3D>("mColorDiffuse");
+    comp.cmp<aiVector3D>("mColorSpecular");
+    comp.cmp<aiVector3D>("mColorAmbient");
+
+    if(type==aiLightSource_SPOT) {
+        comp.cmp<float>("mAngleInnerCone");
+        comp.cmp<float>("mAngleOuterCone");
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyAnimation(comparer_context& comp)   {
+    scoped_chunk chunk(comp,"aiAnimation");
+
+    comp.cmp<aiString>("mName");
+    comp.cmp<double>("mDuration");
+    comp.cmp<double>("mTicksPerSecond");
+    comp.cmp<uint32_t>("mNumChannels");
+
+    sliced_chunk_reader reader(comp);
+    for(sliced_chunk_iterator it = reader.begin(); !it.is_end(); ++it) {
+        if ((*it).first == ASSBIN_CHUNK_AINODEANIM) {
+            CompareOnTheFlyNodeAnim(comp);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyTexture(comparer_context& comp) {
+    scoped_chunk chunk(comp,"aiTexture");
+
+    const uint32_t w = comp.cmp<uint32_t>("mWidth");
+    const uint32_t h = comp.cmp<uint32_t>("mHeight");
+    (void)w; (void)h;
+    comp.cmp<char>("achFormatHint[0]");
+    comp.cmp<char>("achFormatHint[1]");
+    comp.cmp<char>("achFormatHint[2]");
+    comp.cmp<char>("achFormatHint[3]");
+    comp.cmp<char>("achFormatHint[4]");
+    comp.cmp<char>("achFormatHint[5]");
+    comp.cmp<char>("achFormatHint[6]");
+    comp.cmp<char>("achFormatHint[7]");
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyNode(comparer_context& comp)    {
+    scoped_chunk chunk(comp,"aiNode");
+    comp.cmp<aiString>("mName");
+    comp.cmp<aiMatrix4x4>("mTransformation");
+    comp.cmp<uint32_t>("mNumChildren");
+    comp.cmp<uint32_t>(comp.cmp<uint32_t>("mNumMeshes"),"mMeshes");
+
+    sliced_chunk_reader reader(comp);
+    for(sliced_chunk_iterator it = reader.begin(); !it.is_end(); ++it) {
+        if ((*it).first == ASSBIN_CHUNK_AINODE) {
+            CompareOnTheFlyNode(comp);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFlyScene(comparer_context& comp)   {
+    scoped_chunk chunk(comp,"aiScene");
+
+    comp.cmp<uint32_t>("mFlags");
+    comp.cmp<uint32_t>("mNumMeshes");
+    comp.cmp<uint32_t>("mNumMaterials");
+    comp.cmp<uint32_t>("mNumAnimations");
+    comp.cmp<uint32_t>("mNumTextures");
+    comp.cmp<uint32_t>("mNumLights");
+    comp.cmp<uint32_t>("mNumCameras");
+
+    sliced_chunk_reader reader(comp);
+    for(sliced_chunk_iterator it = reader.begin(); !it.is_end(); ++it) {
+        if ((*it).first == ASSBIN_CHUNK_AIMATERIAL) {
+            CompareOnTheFlyMaterial(comp);
+        }
+        else if ((*it).first == ASSBIN_CHUNK_AITEXTURE) {
+            CompareOnTheFlyTexture(comp);
+        }
+        else if ((*it).first == ASSBIN_CHUNK_AIMESH) {
+            CompareOnTheFlyMesh(comp);
+        }
+        else if ((*it).first == ASSBIN_CHUNK_AIANIMATION) {
+            CompareOnTheFlyAnimation(comp);
+        }
+        else if ((*it).first == ASSBIN_CHUNK_AICAMERA) {
+            CompareOnTheFlyCamera(comp);
+        }
+        else if ((*it).first == ASSBIN_CHUNK_AILIGHT) {
+            CompareOnTheFlyLight(comp);
+        }
+        else if ((*it).first == ASSBIN_CHUNK_AINODE) {
+            CompareOnTheFlyNode(comp);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CompareOnTheFly(comparer_context& comp)
+{
+    sliced_chunk_reader reader(comp);
+    for(sliced_chunk_iterator it = reader.begin(); !it.is_end(); ++it) {
+        if ((*it).first == ASSBIN_CHUNK_AISCENE) {
+            CompareOnTheFlyScene(comp);
+            break;
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+void CheckHeader(comparer_context& comp)
+{
+    fseek(comp.get_actual(),ASSBIN_HEADER_LENGTH,SEEK_CUR);
+    fseek(comp.get_expect(),ASSBIN_HEADER_LENGTH,SEEK_CUR);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+int Assimp_CompareDump (const char* const* params, unsigned int num)
+{
+    // --help
+    if ((num == 1 && !strcmp( params[0], "-h")) || !strcmp( params[0], "--help") || !strcmp( params[0], "-?") ) {
+        printf("%s",AICMD_MSG_CMPDUMP_HELP);
+        return AssimpCmdError::Success;
+    }
+
+    // assimp cmpdump actual expected
+    if (num < 2) {
+        std::cout << "assimp cmpdump: Invalid number of arguments. "
+            "See \'assimp cmpdump --help\'\r\n" << std::endl;
+        return AssimpCmdError::InvalidNumberOfArguments;
+    }
+
+    if(!strcmp(params[0],params[1])) {
+        std::cout << "assimp cmpdump: same file, same content." << std::endl;
+        return AssimpCmdError::Success;
+    }
+
+    class file_ptr
+    {
+    public:
+        file_ptr(FILE *p)
+            : m_file(p)
+        {}
+        ~file_ptr()
+        {
+            if (m_file)
+            {
+                fclose(m_file);
+                m_file = NULL;
+            }
+        }
+
+        operator FILE *() { return m_file; }
+
+    private:
+        FILE *m_file;
+    };
+    file_ptr actual(fopen(params[0],"rb"));
+    if (!actual) {
+        std::cout << "assimp cmpdump: Failure reading ACTUAL data from " <<
+            params[0]  << std::endl;
+        return AssimpCmdError::FailedToLoadInputFile;
+    }
+    file_ptr expected(fopen(params[1],"rb"));
+    if (!expected) {
+        std::cout << "assimp cmpdump: Failure reading EXPECT data from " <<
+            params[1]  << std::endl;
+        return AssimpCmdCompareDumpError::FailedToLoadExpectedInputFile;
+    }
+
+    comparer_context comp(actual,expected);
+    try {
+        CheckHeader(comp);
+        CompareOnTheFly(comp);
+    }
+    catch(const compare_fails_exception& ex) {
+        printf("%s",ex.what());
+        return AssimpCmdCompareDumpError::FileComparaisonFailure;
+    }
+    catch(...) {
+        // we don't bother checking too rigourously here, so
+        // we might end up here ...
+        std::cout << "Unknown failure, are the input files well-defined?";
+        return AssimpCmdCompareDumpError::UnknownFailure;
+    }
+
+    std::cout << "Success (totally " << std::dec << comp.get_num_chunks() <<
+        " chunks)" << std::endl;
+
+    return AssimpCmdError::Success;
+}
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/Export.cpp b/src/mesh/assimp-master/tools/assimp_cmd/Export.cpp
new file mode 100644
index 0000000..fd9fc76
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/Export.cpp
@@ -0,0 +1,166 @@
+/*
+---------------------------------------------------------------------------
+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  Export.cpp
+ *  @brief Implementation of the 'assimp export' utility
+ */
+
+#include "Main.h"
+#include <assimp/ParsingUtils.h>
+#include <assimp/StringUtils.h>
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+const char *AICMD_MSG_EXPORT_HELP_E =
+        "assimp export <model> [<out>] [-f<h>] [common parameters]\n"
+        "\t -f<h> Specify the file format. If omitted, the output format is \n"
+        "\t\tderived from the file extension of the given output file  \n"
+        "\t[See the assimp_cmd docs for a full list of all common parameters]  \n";
+
+// -----------------------------------------------------------------------------------
+size_t GetMatchingFormat(const std::string &outf, bool byext = false) {
+    for (size_t i = 0, end = globalExporter->GetExportFormatCount(); i < end; ++i) {
+        const aiExportFormatDesc *const e = globalExporter->GetExportFormatDescription(i);
+        if (outf == (byext ? e->fileExtension : e->id)) {
+            return i;
+        }
+    }
+    return SIZE_MAX;
+}
+
+// -----------------------------------------------------------------------------------
+int Assimp_Export(const char *const *params, unsigned int num) {
+    const char *const invalid = "assimp export: Invalid number of arguments. See \'assimp export --help\'\n";
+    if (num < 1) {
+        printf(invalid);
+        return AssimpCmdError::InvalidNumberOfArguments;
+    }
+
+    // --help
+    if (!strcmp(params[0], "-h") || !strcmp(params[0], "--help") || !strcmp(params[0], "-?")) {
+        printf("%s", AICMD_MSG_EXPORT_HELP_E);
+        return AssimpCmdError::Success;
+    }
+
+    std::string in = std::string(params[0]);
+    std::string out = (num > 1 ? std::string(params[1]) : "-"), outext;
+
+    //
+    const std::string::size_type s = out.find_last_of('.');
+    if (s != std::string::npos) {
+        outext = out.substr(s + 1);
+        out = out.substr(0, s);
+    }
+
+    // get import flags
+    ImportData import;
+    ProcessStandardArguments(import, params + 1, num - 1);
+
+    // process other flags
+    std::string outf = "";
+    for (unsigned int i = (out[0] == '-' ? 1 : 2); i < num; ++i) {
+        if (!params[i]) {
+            continue;
+        }
+        if (!strncmp(params[i], "-f", 2)) {
+            if (strncmp(params[i], "-fi", 3))
+                outf = std::string(params[i] + 2);
+        } else if (!strncmp(params[i], "--format=", 9)) {
+            outf = std::string(params[i] + 9);
+        }
+    }
+
+    std::transform(outf.begin(), outf.end(), outf.begin(), ai_tolower<char>);
+
+    // convert the output format to a format id
+    size_t outfi = GetMatchingFormat(outf);
+    if (outfi == SIZE_MAX) {
+        if (outf.length()) {
+            printf("assimp export: warning, format id \'%s\' is unknown\n", outf.c_str());
+        }
+
+        // retry to see if we know it as file extension
+        outfi = GetMatchingFormat(outf, true);
+        if (outfi == SIZE_MAX) {
+            // retry to see if we know the file extension of the output file
+            outfi = GetMatchingFormat(outext, true);
+
+            if (outfi == SIZE_MAX) {
+                // still no match -> failure
+                printf("assimp export: no output format specified and I failed to guess it\n");
+                return -23;
+            }
+        } else {
+            outext = outf;
+        }
+    }
+
+    // if no output file is specified, take the file name from input file
+    if (out[0] == '-') {
+        std::string::size_type pos = in.find_last_of('.');
+        if (pos == std::string::npos) {
+            pos = in.length();
+        }
+
+        out = in.substr(0, pos);
+    }
+
+    const aiExportFormatDesc *const e = globalExporter->GetExportFormatDescription(outfi);
+    printf("assimp export: select file format: \'%s\' (%s)\n", e->id, e->description);
+
+    // import the  model
+    const aiScene *scene = ImportModel(import, in);
+    if (!scene) {
+        return AssimpCmdExportError::FailedToImportModel;
+    }
+
+    // derive the final file name
+    out += "." + outext;
+
+    // and call the export routine
+    if (!ExportModel(scene, import, out, e->id)) {
+        return AssimpCmdExportError::FailedToExportModel;
+    }
+    printf("assimp export: wrote output file: %s\n", out.c_str());
+    return AssimpCmdError::Success;
+}
+
+#endif // no export
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/ImageExtractor.cpp b/src/mesh/assimp-master/tools/assimp_cmd/ImageExtractor.cpp
new file mode 100644
index 0000000..49edf97
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/ImageExtractor.cpp
@@ -0,0 +1,361 @@
+/*
+---------------------------------------------------------------------------
+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  ImageExtractor.cpp
+ *  @brief Implementation of the 'assimp extract' utility
+ */
+
+#include "Main.h"
+#include <assimp/ParsingUtils.h>
+#include <assimp/StringComparison.h>
+#include <assimp/fast_atof.h>
+
+static const char *AICMD_MSG_DUMP_HELP_E =
+        "assimp extract <model> [<out>] [-t<n>] [-f<fmt>] [-ba] [-s] [common parameters]\n"
+        "\t -ba   Writes BMP's with alpha channel\n"
+        "\t -t<n> Zero-based index of the texture to be extracted \n"
+        "\t -f<f> Specify the file format if <out> is omitted  \n"
+        "\t[See the assimp_cmd docs for a full list of all common parameters]  \n"
+        "\t -cfast    Fast post processing preset, runs just a few important steps \n"
+        "\t -cdefault Default post processing: runs all recommended steps\n"
+        "\t -cfull    Fires almost all post processing steps \n";
+
+#define AI_EXTRACT_WRITE_BMP_ALPHA 0x1
+#include <assimp/Compiler/pushpack1.h>
+
+// -----------------------------------------------------------------------------------
+// Data structure for the first header of a BMP
+struct BITMAPFILEHEADER {
+    uint16_t bfType;
+    uint32_t bfSize;
+    uint16_t bfReserved1;
+    uint16_t bfReserved2;
+    uint32_t bfOffBits;
+} PACK_STRUCT;
+
+// -----------------------------------------------------------------------------------
+// Data structure for the second header of a BMP
+struct BITMAPINFOHEADER {
+    int32_t biSize;
+    int32_t biWidth;
+    int32_t biHeight;
+    int16_t biPlanes;
+    int16_t biBitCount;
+    uint32_t biCompression;
+    int32_t biSizeImage;
+    int32_t biXPelsPerMeter;
+    int32_t biYPelsPerMeter;
+    int32_t biClrUsed;
+    int32_t biClrImportant;
+
+    // pixel data follows header
+} PACK_STRUCT;
+
+// -----------------------------------------------------------------------------------
+// Data structure for the header of a TGA
+struct TGA_HEADER {
+    uint8_t identsize; // size of ID field that follows 18 byte header (0 usually)
+    uint8_t colourmaptype; // type of colour map 0=none, 1=has palette
+    uint8_t imagetype; // type of image 0=none,1=indexed,2=rgb,3=gray,+8=rle packed
+
+    uint16_t colourmapstart; // first colour map entry in palette
+    uint16_t colourmaplength; // number of colors in palette
+    uint8_t colourmapbits; // number of bits per palette entry 15,16,24,32
+
+    uint16_t xstart; // image x origin
+    uint16_t ystart; // image y origin
+    uint16_t width; // image width in pixels
+    uint16_t height; // image height in pixels
+    uint8_t bits; // image bits per pixel 8,16,24,32
+    uint8_t descriptor; // image descriptor bits (vh flip bits)
+
+    // pixel data follows header
+} PACK_STRUCT;
+
+#include <assimp/Compiler/poppack1.h>
+
+// -----------------------------------------------------------------------------------
+// Save a texture as bitmap
+int SaveAsBMP(FILE *file, const aiTexel *data, unsigned int width, unsigned int height, bool SaveAlpha = false) {
+    if (!file || !data) {
+        return 1;
+    }
+
+    const unsigned int numc = (SaveAlpha ? 4 : 3);
+    unsigned char *buffer = new unsigned char[width * height * numc];
+
+    for (unsigned int y = 0; y < height; ++y) {
+        for (unsigned int x = 0; x < width; ++x) {
+
+            unsigned char *s = &buffer[(y * width + x) * numc];
+            const aiTexel *t = &data[y * width + x];
+            s[0] = t->b;
+            s[1] = t->g;
+            s[2] = t->r;
+            if (4 == numc) {
+                s[3] = t->a;
+            }
+        }
+    }
+
+    BITMAPFILEHEADER header;
+    header.bfType = 'B' | (int('M') << 8u);
+    header.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
+    header.bfSize = header.bfOffBits + width * height * numc;
+    header.bfReserved1 = header.bfReserved2 = 0;
+
+    fwrite(&header, sizeof(BITMAPFILEHEADER), 1, file);
+
+    BITMAPINFOHEADER info;
+    info.biSize = 40;
+    info.biWidth = width;
+    info.biHeight = height;
+    info.biPlanes = 1;
+    info.biBitCount = (int16_t)numc << 3;
+    info.biCompression = 0;
+    info.biSizeImage = width * height * numc;
+    info.biXPelsPerMeter = 1; // dummy
+    info.biYPelsPerMeter = 1; // dummy
+    info.biClrUsed = 0;
+    info.biClrImportant = 0;
+
+    fwrite(&info, sizeof(BITMAPINFOHEADER), 1, file);
+
+    unsigned char *temp = buffer + info.biSizeImage;
+    const unsigned int row = width * numc;
+
+    for (int y = 0; temp -= row, y < info.biHeight; ++y) {
+        fwrite(temp, row, 1, file);
+    }
+
+    // delete the buffer
+    delete[] buffer;
+    return 0;
+}
+
+// -----------------------------------------------------------------------------------
+// Save a texture as tga
+int SaveAsTGA(FILE *file, const aiTexel *data, unsigned int width, unsigned int height) {
+    if (!file || !data) {
+        return 1;
+    }
+
+    TGA_HEADER head;
+    memset(&head, 0, sizeof(head));
+    head.bits = 32;
+    head.height = (uint16_t)height;
+    head.width = (uint16_t)width;
+    head.descriptor |= (1u << 5);
+
+    head.imagetype = 2; // actually it's RGBA
+    fwrite(&head, sizeof(TGA_HEADER), 1, file);
+
+    for (unsigned int y = 0; y < height; ++y) {
+        for (unsigned int x = 0; x < width; ++x) {
+            fwrite(data + y * width + x, 4, 1, file);
+        }
+    }
+
+    return 0;
+}
+
+// -----------------------------------------------------------------------------------
+// Do the texture import for a given aiTexture
+int DoExport(const aiTexture *tx, FILE *p, const std::string &extension, unsigned int flags) {
+    // export the image to the appropriate decoder
+    if (extension == "bmp") {
+        SaveAsBMP(p, tx->pcData, tx->mWidth, tx->mHeight,
+                (0 != (flags & AI_EXTRACT_WRITE_BMP_ALPHA)));
+    } else if (extension == "tga") {
+        SaveAsTGA(p, tx->pcData, tx->mWidth, tx->mHeight);
+    } else {
+        printf("assimp extract: No available texture encoder found for %s\n", extension.c_str());
+        return AssimpCmdExtractError::NoAvailableTextureEncoderFound;
+    }
+    return AssimpCmdError::Success;
+}
+
+// -----------------------------------------------------------------------------------
+// Implementation of the assimp extract utility
+int Assimp_Extract(const char *const *params, unsigned int num) {
+    const char *const invalid = "assimp extract: Invalid number of arguments. See \'assimp extract --help\'\n";
+    // assimp extract in out [options]
+    if (num < 1) {
+        printf(invalid);
+        return AssimpCmdError::InvalidNumberOfArguments;
+    }
+
+    // --help
+    if (!strcmp(params[0], "-h") || !strcmp(params[0], "--help") || !strcmp(params[0], "-?")) {
+        printf("%s", AICMD_MSG_DUMP_HELP_E);
+        return AssimpCmdError::Success;
+    }
+
+    std::string in = std::string(params[0]);
+    std::string out = (num > 1 ? std::string(params[1]) : "-");
+
+    // get import flags
+    ImportData import;
+    ProcessStandardArguments(import, params + 1, num - 1);
+
+    bool nosuffix = false;
+    unsigned int texIdx = 0xffffffff, flags = 0;
+
+    // process other flags
+    std::string extension = "bmp";
+    for (unsigned int i = (out[0] == '-' ? 1 : 2); i < num; ++i) {
+        if (!params[i]) {
+            continue;
+        }
+
+        if (!strncmp(params[i], "-f", 2)) {
+            extension = std::string(params[i] + 2);
+        } else if (!strncmp(params[i], "--format=", 9)) {
+            extension = std::string(params[i] + 9);
+        } else if (!strcmp(params[i], "--nosuffix") || !strcmp(params[i], "-s")) {
+            nosuffix = true;
+        } else if (!strncmp(params[i], "--texture=", 10)) {
+            texIdx = Assimp::strtoul10(params[i] + 10);
+        } else if (!strncmp(params[i], "-t", 2)) {
+            texIdx = Assimp::strtoul10(params[i] + 2);
+        } else if (!strcmp(params[i], "-ba") || !strcmp(params[i], "--bmp-with-alpha")) {
+            flags |= AI_EXTRACT_WRITE_BMP_ALPHA;
+        }
+#if 0
+        else {
+            printf("Unknown parameter: %s\n",params[i]);
+            return 10;
+        }
+#endif
+    }
+
+    std::transform(extension.begin(), extension.end(), extension.begin(), ai_tolower<char>);
+
+    if (out[0] == '-') {
+        // take file name from input file
+        std::string::size_type s = in.find_last_of('.');
+        if (s == std::string::npos)
+            s = in.length();
+
+        out = in.substr(0, s);
+    }
+
+    // take file extension from file name, if given
+    std::string::size_type s = out.find_last_of('.');
+    if (s != std::string::npos) {
+        extension = out.substr(s + 1, in.length() - (s + 1));
+        out = out.substr(0, s);
+    }
+
+    // import the main model
+    const aiScene *scene = ImportModel(import, in);
+    if (!scene) {
+        printf("assimp extract: Unable to load input file %s\n", in.c_str());
+        return AssimpCmdError::FailedToLoadInputFile;
+    }
+
+    // get the texture(s) to be exported
+    if (texIdx != 0xffffffff) {
+
+        // check whether the requested texture is existing
+        if (texIdx >= scene->mNumTextures) {
+            ::printf("assimp extract: Texture %u requested, but there are just %i textures\n",
+                    texIdx, scene->mNumTextures);
+            return AssimpCmdExtractError::TextureIndexIsOutOfRange;
+        }
+    } else {
+        ::printf("assimp extract: Exporting %i textures\n", scene->mNumTextures);
+    }
+
+    // now write all output textures
+    for (unsigned int i = 0; i < scene->mNumTextures; ++i) {
+        if (texIdx != 0xffffffff && texIdx != i) {
+            continue;
+        }
+
+        const aiTexture *tex = scene->mTextures[i];
+        std::string out_cpy = out, out_ext = extension;
+
+        // append suffix if necessary - always if all textures are exported
+        if (!nosuffix || (texIdx == 0xffffffff)) {
+            out_cpy.append("_img");
+            char tmp[10];
+            Assimp::ASSIMP_itoa10(tmp, i);
+
+            out_cpy.append(std::string(tmp));
+        }
+
+        // if the texture is a compressed one, we'll export
+        // it to its native file format
+        if (!tex->mHeight) {
+            printf("assimp extract: Texture %u is compressed (%s). Writing native file format.\n",
+                    i, tex->achFormatHint);
+
+            // modify file extension
+            out_ext = std::string(tex->achFormatHint);
+        }
+        out_cpy.append("." + out_ext);
+
+        // open output file
+        FILE *p = ::fopen(out_cpy.c_str(), "wb");
+        if (!p) {
+            printf("assimp extract: Unable to open output file %s\n", out_cpy.c_str());
+            return AssimpCmdError::FailedToOpenOutputFile;
+        }
+        int m;
+
+        if (!tex->mHeight) {
+            m = (1 != fwrite(tex->pcData, tex->mWidth, 1, p)) ?
+                        static_cast<int>(AssimpCmdError::Success) :
+                        static_cast<int>(AssimpCmdExtractError::FailedToExportCompressedTexture);
+        } else {
+            m = DoExport(tex, p, extension, flags);
+        }
+        ::fclose(p);
+
+        printf("assimp extract: Wrote texture %u to %s\n", i, out_cpy.c_str());
+        if (texIdx != 0xffffffff) {
+            return m;
+        }
+    }
+
+    return AssimpCmdError::Success;
+}
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/Info.cpp b/src/mesh/assimp-master/tools/assimp_cmd/Info.cpp
new file mode 100644
index 0000000..c43a783
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/Info.cpp
@@ -0,0 +1,483 @@
+/*
+---------------------------------------------------------------------------
+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  Info.cpp
+ *  @brief Implementation of the 'assimp info' utility  */
+
+#include "Main.h"
+
+#include <cstdio>
+#include <iostream>
+#include <string>
+
+const char* AICMD_MSG_INFO_HELP_E =
+    "assimp info <file> [-r] [-v]\n"
+    "\tPrint basic structure of a 3D model\n"
+    "\t-r,--raw: No postprocessing, do a raw import\n"
+    "\t-v,--verbose: Print verbose info such as node transform data\n"
+    "\t-s, --silent: Print only minimal info\n";
+
+const char *TREE_BRANCH_ASCII = "|-";
+const char *TREE_BRANCH_UTF8 = "\xe2\x94\x9c\xe2\x95\xb4";
+const char *TREE_STOP_ASCII = "'-";
+const char *TREE_STOP_UTF8 = "\xe2\x94\x94\xe2\x95\xb4";
+const char *TREE_CONTINUE_ASCII = "| ";
+const char *TREE_CONTINUE_UTF8 = "\xe2\x94\x82 ";
+
+// note: by default this is using utf-8 text.
+// this is well supported on pretty much any linux terminal.
+// if this causes problems on some platform,
+// put an #ifdef to use the ascii version for that platform.
+const char *TREE_BRANCH = TREE_BRANCH_UTF8;
+const char *TREE_STOP = TREE_STOP_UTF8;
+const char *TREE_CONTINUE = TREE_CONTINUE_UTF8;
+
+// -----------------------------------------------------------------------------------
+unsigned int CountNodes(const aiNode* root)
+{
+	unsigned int i = 0;
+	for (unsigned int a = 0; a < root->mNumChildren; ++a ) {
+		i += CountNodes(root->mChildren[a]);
+	}
+	return 1+i;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int GetMaxDepth(const aiNode* root)
+{
+	unsigned int cnt = 0;
+	for (unsigned int i = 0; i < root->mNumChildren; ++i ) {
+		cnt = std::max(cnt,GetMaxDepth(root->mChildren[i]));
+	}
+	return cnt+1;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int CountVertices(const aiScene* scene)
+{
+	unsigned int cnt = 0;
+	for(unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+		cnt += scene->mMeshes[i]->mNumVertices;
+	}
+	return cnt;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int CountFaces(const aiScene* scene)
+{
+	unsigned int cnt = 0;
+	for(unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+		cnt += scene->mMeshes[i]->mNumFaces;
+	}
+	return cnt;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int CountBones(const aiScene* scene)
+{
+	unsigned int cnt = 0;
+	for(unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+		cnt += scene->mMeshes[i]->mNumBones;
+	}
+	return cnt;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int CountAnimChannels(const aiScene* scene)
+{
+	unsigned int cnt = 0;
+	for(unsigned int i = 0; i < scene->mNumAnimations; ++i) {
+		cnt += scene->mAnimations[i]->mNumChannels;
+	}
+	return cnt;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int GetAvgFacePerMesh(const aiScene* scene) {
+	return (scene->mNumMeshes != 0) ? static_cast<unsigned int>(CountFaces(scene)/scene->mNumMeshes) : 0;
+}
+
+// -----------------------------------------------------------------------------------
+unsigned int GetAvgVertsPerMesh(const aiScene* scene) {
+	return (scene->mNumMeshes != 0) ? static_cast<unsigned int>(CountVertices(scene)/scene->mNumMeshes) : 0;
+}
+
+// -----------------------------------------------------------------------------------
+void FindSpecialPoints(const aiScene* scene,const aiNode* root,aiVector3D special_points[3],const aiMatrix4x4& mat=aiMatrix4x4())
+{
+	// XXX that could be greatly simplified by using code from code/ProcessHelper.h
+	// XXX I just don't want to include it here.
+	const aiMatrix4x4 trafo = root->mTransformation*mat;
+	for(unsigned int i = 0; i < root->mNumMeshes; ++i) {
+		const aiMesh* mesh = scene->mMeshes[root->mMeshes[i]];
+
+		for(unsigned int a = 0; a < mesh->mNumVertices; ++a) {
+			aiVector3D v = trafo*mesh->mVertices[a];
+
+			special_points[0].x = std::min(special_points[0].x,v.x);
+			special_points[0].y = std::min(special_points[0].y,v.y);
+			special_points[0].z = std::min(special_points[0].z,v.z);
+
+			special_points[1].x = std::max(special_points[1].x,v.x);
+			special_points[1].y = std::max(special_points[1].y,v.y);
+			special_points[1].z = std::max(special_points[1].z,v.z);
+		}
+	}
+
+	for(unsigned int i = 0; i < root->mNumChildren; ++i) {
+		FindSpecialPoints(scene,root->mChildren[i],special_points,trafo);
+	}
+}
+
+// -----------------------------------------------------------------------------------
+void FindSpecialPoints(const aiScene* scene,aiVector3D special_points[3])
+{
+	special_points[0] = aiVector3D(1e10,1e10,1e10);
+	special_points[1] = aiVector3D(-1e10,-1e10,-1e10);
+
+	FindSpecialPoints(scene,scene->mRootNode,special_points);
+	special_points[2] = (special_points[0]+special_points[1])*(ai_real)0.5;
+}
+
+// -----------------------------------------------------------------------------------
+std::string FindPTypes(const aiScene* scene)
+{
+	bool haveit[4] = {0};
+	for(unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+		const unsigned int pt = scene->mMeshes[i]->mPrimitiveTypes;
+		if (pt & aiPrimitiveType_POINT) {
+			haveit[0]=true;
+		}
+		if (pt & aiPrimitiveType_LINE) {
+			haveit[1]=true;
+		}
+		if (pt & aiPrimitiveType_TRIANGLE) {
+			haveit[2]=true;
+		}
+		if (pt & aiPrimitiveType_POLYGON) {
+			haveit[3]=true;
+		}
+	}
+	return (haveit[0]?std::string("points"):"")+(haveit[1]?"lines":"")+
+		(haveit[2]?"triangles":"")+(haveit[3]?"n-polygons":"");
+}
+
+// -----------------------------------------------------------------------------------
+// Prettily print the node graph to stdout
+void PrintHierarchy(
+	const aiNode* node,
+	const std::string &indent,
+	bool verbose,
+	bool last = false,
+	bool first = true
+){
+	// tree visualization
+	std::string branchchar;
+	if (first) { branchchar = ""; }
+	else if (last) { branchchar = TREE_STOP; } // "'-"
+	else { branchchar = TREE_BRANCH; } // "|-"
+
+	// print the indent and the branch character and the name
+	std::cout << indent << branchchar << node->mName.C_Str();
+
+	// if there are meshes attached, indicate this
+	if (node->mNumMeshes) {
+		std::cout << " (mesh ";
+		bool sep = false;
+		for (size_t i=0; i < node->mNumMeshes; ++i) {
+			unsigned int mesh_index = node->mMeshes[i];
+			if (sep) { std::cout << ", "; }
+			std::cout << mesh_index;
+			sep = true;
+		}
+		std::cout << ")";
+	}
+
+	// finish the line
+	std::cout << std::endl;
+
+	// in verbose mode, print the transform data as well
+	if (verbose) {
+		// indent to use
+		std::string indentadd;
+		if (last) { indentadd += "  "; }
+		else { indentadd += TREE_CONTINUE; } // "| "..
+		if (node->mNumChildren == 0) { indentadd += "  "; }
+		else { indentadd += TREE_CONTINUE; } // .."| "
+		aiVector3D s, r, t;
+		node->mTransformation.Decompose(s, r, t);
+		if (s.x != 1.0 || s.y != 1.0 || s.z != 1.0) {
+			std::cout << indent << indentadd;
+			printf("  S:[%f %f %f]\n", s.x, s.y, s.z);
+		}
+		if (r.x || r.y || r.z) {
+			std::cout << indent << indentadd;
+			printf("  R:[%f %f %f]\n", r.x, r.y, r.z);
+		}
+		if (t.x || t.y || t.z) {
+			std::cout << indent << indentadd;
+			printf("  T:[%f %f %f]\n", t.x, t.y, t.z);
+		}
+	}
+
+	// and recurse
+	std::string nextIndent;
+	if (first) { nextIndent = indent; }
+	else if (last) { nextIndent = indent + "  "; }
+	else { nextIndent = indent + TREE_CONTINUE; } // "| "
+	for (size_t i = 0; i < node->mNumChildren; ++i) {
+		bool lastone = (i == node->mNumChildren - 1);
+		PrintHierarchy(
+			node->mChildren[i],
+			nextIndent,
+			verbose,
+			lastone,
+			false
+		);
+	}
+}
+
+// -----------------------------------------------------------------------------------
+// Implementation of the assimp info utility to print basic file info
+int Assimp_Info (const char* const* params, unsigned int num) {
+	// --help
+	if (!strcmp( params[0],"-h")||!strcmp( params[0],"--help")||!strcmp( params[0],"-?") ) {
+		printf("%s",AICMD_MSG_INFO_HELP_E);
+		return AssimpCmdError::Success;
+	}
+
+	// asssimp info <file> [-r]
+	if (num < 1) {
+		printf("assimp info: Invalid number of arguments. "
+			"See \'assimp info --help\'\n");
+		return AssimpCmdError::InvalidNumberOfArguments;
+	}
+
+	const std::string in  = std::string(params[0]);
+
+	// get -r and -v arguments
+	bool raw = false;
+	bool verbose = false;
+	bool silent = false;
+	for(unsigned int i = 1; i < num; ++i) {
+		if (!strcmp(params[i],"--raw")||!strcmp(params[i],"-r")) {
+			raw = true;
+		}
+		if (!strcmp(params[i],"--verbose")||!strcmp(params[i],"-v")) {
+			verbose = true;
+		}
+		if (!strcmp(params[i], "--silent") || !strcmp(params[i], "-s")) {
+			silent = true;
+		}
+	}
+
+	// Verbose and silent at the same time are not allowed
+	if ( verbose && silent ) {
+		printf("assimp info: Invalid arguments, verbose and silent at the same time are forbidden. ");
+		return AssimpCmdInfoError::InvalidCombinaisonOfArguments;
+	}
+
+	// Parse post-processing flags unless -r was specified
+	ImportData import;
+	if (!raw) {
+		// get import flags
+		ProcessStandardArguments(import, params + 1, num - 1);
+
+		//No custom post process flags defined, we set all the post process flags active
+		if(import.ppFlags == 0)
+			import.ppFlags |= aiProcessPreset_TargetRealtime_MaxQuality;
+	}
+
+	// import the main model
+	const aiScene* scene = ImportModel(import,in);
+	if (!scene) {
+		printf("assimp info: Unable to load input file %s\n",
+			in.c_str());
+		return AssimpCmdError::FailedToLoadInputFile;
+	}
+
+	aiMemoryInfo mem;
+	globalImporter->GetMemoryRequirements(mem);
+
+
+	static const char* format_string =
+		"Memory consumption: %i B\n"
+		"Nodes:              %i\n"
+		"Maximum depth       %i\n"
+		"Meshes:             %i\n"
+		"Animations:         %i\n"
+		"Textures (embed.):  %i\n"
+		"Materials:          %i\n"
+		"Cameras:            %i\n"
+		"Lights:             %i\n"
+		"Vertices:           %i\n"
+		"Faces:              %i\n"
+		"Bones:              %i\n"
+		"Animation Channels: %i\n"
+		"Primitive Types:    %s\n"
+		"Average faces/mesh  %i\n"
+		"Average verts/mesh  %i\n"
+		"Minimum point      (%f %f %f)\n"
+		"Maximum point      (%f %f %f)\n"
+		"Center point       (%f %f %f)\n"
+
+		;
+
+	aiVector3D special_points[3];
+	FindSpecialPoints(scene,special_points);
+	printf(format_string,
+		mem.total,
+		CountNodes(scene->mRootNode),
+		GetMaxDepth(scene->mRootNode),
+		scene->mNumMeshes,
+		scene->mNumAnimations,
+		scene->mNumTextures,
+		scene->mNumMaterials,
+		scene->mNumCameras,
+		scene->mNumLights,
+		CountVertices(scene),
+		CountFaces(scene),
+		CountBones(scene),
+		CountAnimChannels(scene),
+		FindPTypes(scene).c_str(),
+		GetAvgFacePerMesh(scene),
+		GetAvgVertsPerMesh(scene),
+		special_points[0][0],special_points[0][1],special_points[0][2],
+		special_points[1][0],special_points[1][1],special_points[1][2],
+		special_points[2][0],special_points[2][1],special_points[2][2]
+		)
+	;
+
+	if (silent)
+	{
+		printf("\n");
+		return AssimpCmdError::Success;
+	}
+
+	// meshes
+	if (scene->mNumMeshes) {
+		printf("\nMeshes:  (name) [vertices / bones / faces | primitive_types]\n");
+	}
+	for (unsigned int i = 0; i < scene->mNumMeshes; ++i) {
+		const aiMesh* mesh = scene->mMeshes[i];
+		printf("    %d (%s)", i, mesh->mName.C_Str());
+		printf(
+			": [%d / %d / %d |",
+			mesh->mNumVertices,
+			mesh->mNumBones,
+			mesh->mNumFaces
+		);
+		const unsigned int ptypes = mesh->mPrimitiveTypes;
+		if (ptypes & aiPrimitiveType_POINT) { printf(" point"); }
+		if (ptypes & aiPrimitiveType_LINE) { printf(" line"); }
+		if (ptypes & aiPrimitiveType_TRIANGLE) { printf(" triangle"); }
+		if (ptypes & aiPrimitiveType_POLYGON) { printf(" polygon"); }
+		printf("]\n");
+	}
+
+	// materials
+	unsigned int total=0;
+	for(unsigned int i = 0;i < scene->mNumMaterials; ++i) {
+		aiString name;
+		if (AI_SUCCESS==aiGetMaterialString(scene->mMaterials[i],AI_MATKEY_NAME,&name)) {
+			printf("%s\n    \'%s\'",(total++?"":"\nNamed Materials:" ),name.data);
+		}
+	}
+	if(total) {
+		printf("\n");
+	}
+
+	// textures
+	total=0;
+	for(unsigned int i = 0;i < scene->mNumMaterials; ++i) {
+		aiString name;
+		static const aiTextureType types[] = {
+			aiTextureType_NONE,
+			aiTextureType_DIFFUSE,
+			aiTextureType_SPECULAR,
+			aiTextureType_AMBIENT,
+			aiTextureType_EMISSIVE,
+			aiTextureType_HEIGHT,
+			aiTextureType_NORMALS,
+			aiTextureType_SHININESS,
+			aiTextureType_OPACITY,
+			aiTextureType_DISPLACEMENT,
+			aiTextureType_LIGHTMAP,
+			aiTextureType_REFLECTION,
+			aiTextureType_BASE_COLOR,
+			aiTextureType_NORMAL_CAMERA,
+			aiTextureType_EMISSION_COLOR,
+			aiTextureType_METALNESS,
+			aiTextureType_DIFFUSE_ROUGHNESS,
+			aiTextureType_AMBIENT_OCCLUSION,
+			aiTextureType_UNKNOWN
+		};
+		for(unsigned int type = 0; type < sizeof(types)/sizeof(types[0]); ++type) {
+			for(unsigned int idx = 0;AI_SUCCESS==aiGetMaterialString(scene->mMaterials[i],
+				AI_MATKEY_TEXTURE(types[type],idx),&name); ++idx) {
+				printf("%s\n    \'%s\'",(total++?"":"\nTexture Refs:" ),name.data);
+			}
+		}
+	}
+	if(total) {
+		printf("\n");
+	}
+
+	// animations
+	total=0;
+	for(unsigned int i = 0;i < scene->mNumAnimations; ++i) {
+		if (scene->mAnimations[i]->mName.length) {
+			printf("%s\n     \'%s\'",(total++?"":"\nNamed Animations:" ),scene->mAnimations[i]->mName.data);
+		}
+	}
+	if(total) {
+		printf("\n");
+	}
+
+	// node hierarchy
+	printf("\nNode hierarchy:\n");
+	PrintHierarchy(scene->mRootNode,"",verbose);
+
+	printf("\n");
+	return AssimpCmdError::Success;
+}
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/Main.cpp b/src/mesh/assimp-master/tools/assimp_cmd/Main.cpp
new file mode 100644
index 0000000..31b92b0
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/Main.cpp
@@ -0,0 +1,564 @@
+/*
+---------------------------------------------------------------------------
+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  Main.cpp
+ *  @brief main() function of assimp_cmd
+ */
+
+#include "Main.h"
+
+#include <assimp/ProgressHandler.hpp>
+#include <iostream>
+
+class ConsoleProgressHandler : public ProgressHandler {
+public:
+	ConsoleProgressHandler() :
+			ProgressHandler() {
+		// empty
+	}
+
+	~ConsoleProgressHandler() override {
+		// empty
+	}
+
+	bool Update(float percentage) override {
+        std::cout << percentage * 100.0f << " %\n";
+		return true;
+    }
+};
+const char* AICMD_MSG_ABOUT =
+"------------------------------------------------------ \n"
+"Open Asset Import Library (\"Assimp\", https://github.com/assimp/assimp) \n"
+" -- Commandline toolchain --\n"
+"------------------------------------------------------ \n\n"
+
+"Version %i.%i %s%s%s%s%s(GIT commit %x)\n\n";
+
+const char* AICMD_MSG_HELP =
+"assimp <verb> <parameters>\n\n"
+" verbs:\n"
+" \tinfo       - Quick file stats\n"
+" \tlistext    - List all known file extensions available for import\n"
+" \tknowext    - Check whether a file extension is recognized by Assimp\n"
+#ifndef ASSIMP_BUILD_NO_EXPORT
+" \texport     - Export a file to one of the supported output formats\n"
+" \tlistexport - List all supported export formats\n"
+" \texportinfo - Show basic information on a specific export format\n"
+#endif
+" \textract    - Extract embedded texture images\n"
+" \tdump       - Convert models to a binary or textual dump (ASSBIN/ASSXML)\n"
+" \tcmpdump    - Compare dumps created using \'assimp dump <file> -s ...\'\n"
+" \tversion    - Display Assimp version\n"
+"\n Use \'assimp <verb> --help\' for detailed help on a command.\n"
+;
+
+/*extern*/ Assimp::Importer* globalImporter = nullptr;
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+/*extern*/ Assimp::Exporter* globalExporter = nullptr;
+#endif
+
+// ------------------------------------------------------------------------------
+// Application entry point
+int main (int argc, char* argv[])
+{
+	if (argc <= 1)	{
+		printf("assimp: No command specified. Use \'assimp help\' for a detailed command list\n");
+		return AssimpCmdError::Success;
+	}
+
+	// assimp version
+	// Display version information
+	if (! strcmp(argv[1], "version")) {
+		const unsigned int flags = aiGetCompileFlags();
+		printf(AICMD_MSG_ABOUT,
+			aiGetVersionMajor(),
+			aiGetVersionMinor(),
+			(flags & ASSIMP_CFLAGS_DEBUG ?			"-debug "   : ""),
+			(flags & ASSIMP_CFLAGS_NOBOOST ?		"-noboost " : ""),
+			(flags & ASSIMP_CFLAGS_SHARED ?			"-shared "  : ""),
+			(flags & ASSIMP_CFLAGS_SINGLETHREADED ? "-st "      : ""),
+			(flags & ASSIMP_CFLAGS_STLPORT ?		"-stlport " : ""),
+			aiGetVersionRevision());
+
+		return AssimpCmdError::Success;
+	}
+
+	// assimp help
+	// Display some basic help (--help and -h work as well
+	// because people could try them intuitively)
+	if (!strcmp(argv[1], "help") || !strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")) {
+		printf("%s",AICMD_MSG_HELP);
+		return AssimpCmdError::Success;
+	}
+
+	// assimp cmpdump
+	// Compare two mini model dumps (regression suite)
+	if (! strcmp(argv[1], "cmpdump")) {
+		return Assimp_CompareDump (&argv[2],argc-2);
+	}
+
+	// construct global importer and exporter instances
+	Assimp::Importer imp;
+	imp.SetPropertyBool("GLOB_MEASURE_TIME",true);
+	globalImporter = &imp;
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+	//
+	Assimp::Exporter exp;
+	globalExporter = &exp;
+#endif
+
+	// assimp listext
+	// List all file extensions supported by Assimp
+	if (! strcmp(argv[1], "listext")) {
+		aiString s;
+		imp.GetExtensionList(s);
+
+		printf("%s\n",s.data);
+		return AssimpCmdError::Success;
+	}
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+	// assimp listexport
+	// List all export file formats supported by Assimp (not the file extensions, just the format identifiers!)
+	if (! strcmp(argv[1], "listexport")) {
+		aiString s;
+
+		for(size_t i = 0, end = exp.GetExportFormatCount(); i < end; ++i) {
+			const aiExportFormatDesc* const e = exp.GetExportFormatDescription(i);
+			s.Append( e->id );
+			if (i!=end-1) {
+				s.Append("\n");
+			}
+		}
+
+		printf("%s\n",s.data);
+		return AssimpCmdError::Success;
+	}
+
+
+	// assimp exportinfo
+	// stat an export format
+	if (! strcmp(argv[1], "exportinfo")) {
+		aiString s;
+
+		if (argc<3) {
+			printf("Expected file format id\n");
+			return AssimpCmdError::NoFileFormatSpecified;
+		}
+
+		for(size_t i = 0, end = exp.GetExportFormatCount(); i < end; ++i) {
+			const aiExportFormatDesc* const e = exp.GetExportFormatDescription(i);
+			if (!strcmp(e->id,argv[2])) {
+				printf("%s\n%s\n%s\n",e->id,e->fileExtension,e->description);
+				return AssimpCmdError::Success;
+			}
+		}
+
+		printf("Unknown file format id: \'%s\'\n",argv[2]);
+		return AssimpCmdError::UnknownFileFormat;
+	}
+
+	// assimp export
+	// Export a model to a file
+	if (! strcmp(argv[1], "export")) {
+		return Assimp_Export (&argv[2],argc-2);
+	}
+
+#endif
+
+	// assimp knowext
+	// Check whether a particular file extension is known by us, return 0 on success
+	if (! strcmp(argv[1], "knowext")) {
+		if (argc<3) {
+			printf("Expected file extension");
+			return AssimpCmdError::NoFileExtensionSpecified;
+		}
+		const bool b = imp.IsExtensionSupported(argv[2]);
+		printf("File extension \'%s\'  is %sknown\n",argv[2],(b?"":"not "));
+		return b? AssimpCmdError::Success : AssimpCmdError::UnknownFileExtension;
+	}
+
+	// assimp info
+	// Print basic model statistics
+	if (! strcmp(argv[1], "info")) {
+		return Assimp_Info ((const char**)&argv[2],argc-2);
+	}
+
+	// assimp dump
+	// Dump a model to a file
+	if (! strcmp(argv[1], "dump")) {
+		return Assimp_Dump (&argv[2],argc-2);
+	}
+
+	// assimp extract
+	// Extract an embedded texture from a file
+	if (! strcmp(argv[1], "extract")) {
+		return Assimp_Extract (&argv[2],argc-2);
+	}
+
+	// assimp testbatchload
+	// Used by /test/other/streamload.py to load a list of files
+	// using the same importer instance to check for incompatible
+	// importers.
+	if (! strcmp(argv[1], "testbatchload")) {
+		return Assimp_TestBatchLoad (&argv[2],argc-2);
+	}
+
+	printf("Unrecognized command. Use \'assimp help\' for a detailed command list\n");
+	return AssimpCmdError::UnrecognizedCommand;
+}
+
+
+// ------------------------------------------------------------------------------
+void SetLogStreams(const ImportData& imp)
+{
+	printf("\nAttaching log stream   ...           OK\n");
+
+	unsigned int flags = 0;
+	if (imp.logFile.length()) {
+		flags |= aiDefaultLogStream_FILE;
+	}
+	if (imp.showLog) {
+		flags |= aiDefaultLogStream_STDERR;
+	}
+	DefaultLogger::create(imp.logFile.c_str(),imp.verbose ? Logger::VERBOSE : Logger::NORMAL,flags);
+}
+
+
+// ------------------------------------------------------------------------------
+void FreeLogStreams()
+{
+	DefaultLogger::kill();
+}
+
+
+// ------------------------------------------------------------------------------
+void PrintHorBar()
+{
+	printf("-----------------------------------------------------------------\n");
+}
+
+// ------------------------------------------------------------------------------
+// Import a specific file
+const aiScene* ImportModel(
+	const ImportData& imp,
+	const std::string& path)
+{
+	// Attach log streams
+	if (imp.log) {
+		SetLogStreams(imp);
+	}
+	printf("Launching asset import ...           OK\n");
+
+	// Now validate this flag combination
+	if(!globalImporter->ValidateFlags(imp.ppFlags)) {
+		printf("ERROR: Unsupported post-processing flags \n");
+		return NULL;
+	}
+	printf("Validating postprocessing flags ...  OK\n");
+	if (imp.showLog) {
+		PrintHorBar();
+	}
+
+
+	// do the actual import, measure time
+	const clock_t first = clock();
+    ConsoleProgressHandler *ph = new ConsoleProgressHandler;
+    globalImporter->SetProgressHandler(ph);
+    
+	const aiScene* scene = globalImporter->ReadFile(path,imp.ppFlags);
+
+	if (imp.showLog) {
+		PrintHorBar();
+	}
+	if (!scene) {
+		printf("ERROR: Failed to load file: %s\n", globalImporter->GetErrorString());
+		return NULL;
+	}
+
+	const clock_t second = ::clock();
+	const double seconds = static_cast<double>(second-first) / CLOCKS_PER_SEC;
+
+	printf("Importing file ...                   OK \n   import took approx. %.5f seconds\n"
+		"\n",seconds);
+
+	if (imp.log) {
+		FreeLogStreams();
+	}
+    globalImporter->SetProgressHandler(nullptr);
+    delete ph;
+
+	return scene;
+}
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+// ------------------------------------------------------------------------------
+bool ExportModel(const aiScene* pOut,
+	const ImportData& imp,
+	const std::string& path,
+	const char* pID)
+{
+	// Attach log streams
+	if (imp.log) {
+		SetLogStreams(imp);
+	}
+	printf("Launching asset export ...           OK\n");
+
+	if (imp.showLog) {
+		PrintHorBar();
+	}
+
+	aiMatrix4x4 rx, ry, rz;
+    aiMatrix4x4::RotationX(imp.rot.x, rx);
+    aiMatrix4x4::RotationY(imp.rot.y, ry);
+    aiMatrix4x4::RotationZ(imp.rot.z, rz);
+	pOut->mRootNode->mTransformation *= rx;
+    pOut->mRootNode->mTransformation *= ry;
+    pOut->mRootNode->mTransformation *= rz;
+
+	// do the actual export, measure time
+	const clock_t first = clock();
+	const aiReturn res = globalExporter->Export(pOut,pID,path);
+
+	if (imp.showLog) {
+		PrintHorBar();
+	}
+	if (res != AI_SUCCESS) {
+		printf("Failed to write file\n");
+		printf("ERROR: %s\n", globalExporter->GetErrorString());
+		return false;
+	}
+
+	const clock_t second = ::clock();
+	const double seconds = static_cast<double>(second-first) / CLOCKS_PER_SEC;
+
+	printf("Exporting file ...                   OK \n   export took approx. %.5f seconds\n"
+		"\n",seconds);
+
+	if (imp.log) {
+		FreeLogStreams();
+	}
+
+	return true;
+}
+#endif
+
+// ------------------------------------------------------------------------------
+// Process standard arguments
+int ProcessStandardArguments(
+	ImportData& fill,
+	const char* const * params,
+	unsigned int num)
+{
+	// -ptv    --pretransform-vertices
+	// -gsn    --gen-smooth-normals
+	// -gn     --gen-normals
+	// -cts    --calc-tangent-space
+	// -jiv    --join-identical-vertices
+	// -rrm    --remove-redundant-materials
+	// -fd     --find-degenerates
+	// -slm    --split-large-meshes
+	// -lbw    --limit-bone-weights
+	// -vds    --validate-data-structure
+	// -icl    --improve-cache-locality
+	// -sbpt   --sort-by-ptype
+	// -lh     --convert-to-lh
+	// -fuv    --flip-uv
+	// -fwo    --flip-winding-order
+	// -tuv    --transform-uv-coords
+	// -guv    --gen-uvcoords
+	// -fid    --find-invalid-data
+	// -fixn   --fix normals
+	// -tri    --triangulate
+	// -fi     --find-instances
+	// -og     --optimize-graph
+	// -om     --optimize-meshes
+	// -db     --debone
+	// -sbc    --split-by-bone-count
+	// -gs	   --global-scale
+	//
+	// -c<file> --config-file=<file>
+
+	for (unsigned int i = 0; i < num;++i)
+	{
+        const char *param = params[ i ];
+        printf( "param = %s\n", param );
+		if (! strcmp( param, "-ptv") || ! strcmp( param, "--pretransform-vertices")) {
+			fill.ppFlags |= aiProcess_PreTransformVertices;
+		}
+		else if (! strcmp( param, "-gsn") || ! strcmp( param, "--gen-smooth-normals")) {
+			fill.ppFlags |= aiProcess_GenSmoothNormals;
+		}
+    else if (! strcmp( param, "-dn") || ! strcmp( param, "--drop-normals")) {
+			fill.ppFlags |= aiProcess_DropNormals;
+		}
+		else if (! strcmp( param, "-gn") || ! strcmp( param, "--gen-normals")) {
+			fill.ppFlags |= aiProcess_GenNormals;
+		}
+		else if (! strcmp( param, "-jiv") || ! strcmp( param, "--join-identical-vertices")) {
+			fill.ppFlags |= aiProcess_JoinIdenticalVertices;
+		}
+		else if (! strcmp( param, "-rrm") || ! strcmp( param, "--remove-redundant-materials")) {
+			fill.ppFlags |= aiProcess_RemoveRedundantMaterials;
+		}
+		else if (! strcmp( param, "-fd") || ! strcmp( param, "--find-degenerates")) {
+			fill.ppFlags |= aiProcess_FindDegenerates;
+		}
+		else if (! strcmp( param, "-slm") || ! strcmp( param, "--split-large-meshes")) {
+			fill.ppFlags |= aiProcess_SplitLargeMeshes;
+		}
+		else if (! strcmp( param, "-lbw") || ! strcmp( param, "--limit-bone-weights")) {
+			fill.ppFlags |= aiProcess_LimitBoneWeights;
+		}
+		else if (! strcmp( param, "-vds") || ! strcmp( param, "--validate-data-structure")) {
+			fill.ppFlags |= aiProcess_ValidateDataStructure;
+		}
+		else if (! strcmp( param, "-icl") || ! strcmp( param, "--improve-cache-locality")) {
+			fill.ppFlags |= aiProcess_ImproveCacheLocality;
+		}
+		else if (! strcmp( param, "-sbpt") || ! strcmp( param, "--sort-by-ptype")) {
+			fill.ppFlags |= aiProcess_SortByPType;
+		}
+		else if (! strcmp( param, "-lh") || ! strcmp( param, "--left-handed")) {
+			fill.ppFlags |= aiProcess_ConvertToLeftHanded;
+		}
+		else if (! strcmp( param, "-fuv") || ! strcmp( param, "--flip-uv")) {
+			fill.ppFlags |= aiProcess_FlipUVs;
+		}
+		else if (! strcmp( param, "-fwo") || ! strcmp( param, "--flip-winding-order")) {
+			fill.ppFlags |= aiProcess_FlipWindingOrder;
+		}
+		else if (! strcmp( param, "-tuv") || ! strcmp( param, "--transform-uv-coords")) {
+			fill.ppFlags |= aiProcess_TransformUVCoords;
+		}
+		else if (! strcmp( param, "-guv") || ! strcmp( param, "--gen-uvcoords")) {
+			fill.ppFlags |= aiProcess_GenUVCoords;
+		}
+		else if (! strcmp( param, "-fid") || ! strcmp( param, "--find-invalid-data")) {
+			fill.ppFlags |= aiProcess_FindInvalidData;
+		}
+		else if (! strcmp( param, "-fixn") || ! strcmp( param, "--fix-normals")) {
+			fill.ppFlags |= aiProcess_FixInfacingNormals;
+		}
+		else if (! strcmp( param, "-tri") || ! strcmp( param, "--triangulate")) {
+			fill.ppFlags |= aiProcess_Triangulate;
+		}
+		else if (! strcmp( param, "-cts") || ! strcmp( param, "--calc-tangent-space")) {
+			fill.ppFlags |= aiProcess_CalcTangentSpace;
+		}
+		else if (! strcmp( param, "-fi") || ! strcmp( param, "--find-instances")) {
+			fill.ppFlags |= aiProcess_FindInstances;
+		}
+		else if (! strcmp( param, "-og") || ! strcmp( param, "--optimize-graph")) {
+			fill.ppFlags |= aiProcess_OptimizeGraph;
+		}
+		else if (! strcmp( param, "-om") || ! strcmp( param, "--optimize-meshes")) {
+			fill.ppFlags |= aiProcess_OptimizeMeshes;
+		}
+		else if (! strcmp( param, "-db") || ! strcmp( param, "--debone")) {
+			fill.ppFlags |= aiProcess_Debone;
+		}
+		else if (! strcmp( param, "-sbc") || ! strcmp( param, "--split-by-bone-count")) {
+			fill.ppFlags |= aiProcess_SplitByBoneCount;
+		}
+		else if (!strcmp(param, "-embtex") || ! strcmp(param, "--embed-textures")) {
+			fill.ppFlags |= aiProcess_EmbedTextures;
+		}
+		else if (!strcmp(param, "-gs") || ! strcmp(param, "--global-scale")) {
+			fill.ppFlags |= aiProcess_GlobalScale;
+		}
+		else if (! strncmp( param, "-c",2) || ! strncmp( param, "--config=",9)) {
+			const unsigned int ofs = (params[i][1] == '-' ? 9 : 2);
+
+			// use default configurations
+            if (!strncmp( param + ofs, "full", 4 )) {
+                fill.ppFlags |= aiProcessPreset_TargetRealtime_MaxQuality;
+            } else if (!strncmp( param + ofs, "default", 7 )) {
+				fill.ppFlags |= aiProcessPreset_TargetRealtime_Quality;
+			} else if (! strncmp( param +ofs,"fast",4)) {
+				fill.ppFlags |= aiProcessPreset_TargetRealtime_Fast;
+			}
+		} else if (! strcmp( param, "-l") || ! strcmp( param, "--show-log")) {
+			fill.showLog = true;
+		}
+		else if (! strcmp( param, "-v") || ! strcmp( param, "--verbose")) {
+			fill.verbose = true;
+		}
+		else if (!strncmp(params[i], "-rx=", 4) || !strncmp(params[i], "--rotation-x=", 13)) {
+            std::string value = std::string(params[i] + (params[i][1] == '-' ? 13 : 4));
+            fill.rot.x = std::stof(value);
+		}
+		else if (!strncmp(params[i], "-ry=", 4) || !strncmp(params[i], "--rotation-y=", 13)) {
+            std::string value = std::string(params[i] + (params[i][1] == '-' ? 13 : 4));
+            fill.rot.y = std::stof(value);
+        }
+		else if (!strncmp(params[i], "-rz=", 4) || !strncmp(params[i], "--rotation-z=", 13)) {
+            std::string value = std::string(params[i] + (params[i][1] == '-' ? 13 : 4));
+            fill.rot.z = std::stof(value);
+        }
+		else if (! strncmp( param, "--log-out=",10) || ! strncmp( param, "-lo",3)) {
+			fill.logFile = std::string(params[i]+(params[i][1] == '-' ? 10 : 3));
+			if (!fill.logFile.length()) {
+				fill.logFile = "assimp-log.txt";
+			}
+		}
+	}
+
+	if (fill.logFile.length() || fill.showLog || fill.verbose) {
+		fill.log = true;
+	}
+
+	return AssimpCmdError::Success;
+}
+
+// ------------------------------------------------------------------------------
+int Assimp_TestBatchLoad (
+	const char* const* params,
+	unsigned int num)
+{
+	for(unsigned int i = 0; i < num; ++i) {
+		globalImporter->ReadFile(params[i],aiProcessPreset_TargetRealtime_MaxQuality);
+		// we're totally silent. scene destructs automatically.
+	}
+	return AssimpCmdError::Success;
+}
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/Main.h b/src/mesh/assimp-master/tools/assimp_cmd/Main.h
new file mode 100644
index 0000000..1d3dd8f
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/Main.h
@@ -0,0 +1,273 @@
+/*
+---------------------------------------------------------------------------
+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  Main.h
+ *  @brief Utility declarations for assimp_cmd
+ */
+
+#ifndef AICMD_MAIN_INCLUDED
+#define AICMD_MAIN_INCLUDED
+
+#ifndef _CRT_SECURE_NO_WARNINGS
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <limits>
+
+#include <assimp/postprocess.h>
+#include <assimp/version.h>
+#include <assimp/scene.h>
+#include <assimp/Importer.hpp>
+#include <assimp/DefaultLogger.hpp>
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#	include <assimp/Exporter.hpp>
+#endif
+
+#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
+#include <zlib.h>
+#else
+#include <../contrib/zlib/zlib.h>
+#endif
+
+
+#ifndef SIZE_MAX
+#	define SIZE_MAX (std::numeric_limits<size_t>::max())
+#endif
+
+
+using namespace Assimp;
+
+
+// Global assimp importer instance
+extern Assimp::Importer* globalImporter;
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+// Global assimp exporter instance
+extern Assimp::Exporter* globalExporter;
+#endif
+
+// ------------------------------------------------------------------------------
+/// Defines common import parameters
+struct ImportData {
+	ImportData()
+		:	ppFlags	(0)
+		,	showLog (false)
+		,	verbose (false)
+		,	log	    (false)
+        ,   rot     (aiVector3D(0.f, 0.f, 0.f))
+	{}
+
+	/// Post-processing flags
+	unsigned int ppFlags;
+
+	// Log to std::err?
+	bool showLog;
+
+	// Log file
+	std::string logFile;
+
+	// Verbose log mode?
+	bool verbose;
+
+	// Need to log?
+	bool log;
+
+	// Export With Rotation
+	aiVector3D rot;
+};
+
+/// \enum AssimpCmdError
+/// \brief General error codes used among assimp_cmd's utilities.
+enum AssimpCmdError {
+	Success = 0,
+	InvalidNumberOfArguments,
+	UnrecognizedCommand,
+	FailedToLoadInputFile,
+	FailedToOpenOutputFile,
+	NoFileFormatSpecified,
+	UnknownFileFormat,
+	NoFileExtensionSpecified,
+	UnknownFileExtension,
+	ExceptionWasRaised,
+
+	// Add new error codes here...
+
+	LastAssimpCmdError, // Must be last.
+};
+
+// ------------------------------------------------------------------------------
+/** Process standard arguments
+ *
+ *  @param fill Filled by function
+ *  @param params Command line parameters to be processed
+ *  @param num NUmber of params
+ *  @return An #AssimpCmdError value. */
+int ProcessStandardArguments(ImportData& fill,
+	const char* const* params,
+	unsigned int num);
+
+// ------------------------------------------------------------------------------
+/** Import a specific model file
+ *  @param imp Import configuration to be used
+ *  @param path Path to the file to be read */
+const aiScene* ImportModel(
+	const ImportData& imp,
+	const std::string& path);
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+// ------------------------------------------------------------------------------
+/** Export a specific model file
+ *  @param imp Import configuration to be used
+ *  @param path Path to the file to be written
+ *  @param format Format id*/
+bool ExportModel(const aiScene* pOut,
+	const ImportData& imp,
+	const std::string& path,
+	const char* pID);
+
+#endif
+
+// ------------------------------------------------------------------------------
+/** assimp_dump utility
+ *  @param params Command line parameters to 'assimp dump'
+ *  @param Number of params
+ *  @return An #AssimpCmdError value.*/
+int Assimp_Dump (
+	const char* const* params,
+	unsigned int num);
+
+/// \enum AssimpCmdExportError
+/// \brief Error codes used by the 'Export' utility.
+enum AssimpCmdExportError {
+	FailedToImportModel = AssimpCmdError::LastAssimpCmdError,
+	FailedToExportModel,
+
+	// Add new error codes here...
+
+	LastAssimpCmdExportError, // Must be last.
+};
+
+// ------------------------------------------------------------------------------
+/** assimp_export utility
+ *  @param params Command line parameters to 'assimp export'
+ *  @param Number of params
+ *  @return Either an #AssimpCmdError or #AssimpCmdExportError value. */
+int Assimp_Export (
+	const char* const* params,
+	unsigned int num);
+
+/// \enum AssimpCmdExtractError
+/// \brief Error codes used by the 'Image Extractor' utility.
+enum AssimpCmdExtractError {
+	TextureIndexIsOutOfRange = AssimpCmdError::LastAssimpCmdError,
+	NoAvailableTextureEncoderFound,
+	FailedToExportCompressedTexture,
+
+	// Add new error codes here...
+
+	LastAssimpCmdExtractError, // Must be last.
+};
+
+// ------------------------------------------------------------------------------
+/** assimp_extract utility
+ *  @param params Command line parameters to 'assimp extract'
+ *  @param Number of params
+ *  @return Either an #AssimpCmdError or #AssimpCmdExtractError value. */
+int Assimp_Extract (
+	const char* const* params,
+	unsigned int num);
+
+/// \enum AssimpCmdCompareDumpError
+/// \brief Error codes used by the 'Compare Dump' utility.
+enum AssimpCmdCompareDumpError {
+	FailedToLoadExpectedInputFile = AssimpCmdError::LastAssimpCmdError,
+	FileComparaisonFailure,
+	UnknownFailure,
+
+	// Add new error codes here...
+
+	LastAssimpCmdCompareDumpError, // Must be last.
+};
+
+// ------------------------------------------------------------------------------
+/** assimp_cmpdump utility
+ *  @param params Command line parameters to 'assimp cmpdump'
+ *  @param Number of params
+ *  @return Either an #AssimpCmdError or #AssimpCmdCompareDumpError. */
+int Assimp_CompareDump (
+	const char* const* params,
+	unsigned int num);
+
+/// \enum AssimpCmdInfoError
+/// \brief Error codes used by the 'Info' utility.
+enum AssimpCmdInfoError {
+	InvalidCombinaisonOfArguments = AssimpCmdError::LastAssimpCmdError,
+
+	// Add new error codes here...
+
+	LastAssimpCmdInfoError, // Must be last.
+};
+
+// ------------------------------------------------------------------------------
+/** @brief assimp info utility
+ *  @param params Command line parameters to 'assimp info'
+ *  @param Number of params
+ *  @return Either an #AssimpCmdError or #AssimpCmdInfoError value. */
+int Assimp_Info (
+	const char* const* params,
+	unsigned int num);
+
+// ------------------------------------------------------------------------------
+/** @brief assimp testbatchload utility
+ *  @param params Command line parameters to 'assimp testbatchload'
+ *  @param Number of params
+ *  @return An #AssimpCmdError value. */
+int Assimp_TestBatchLoad (
+	const char* const* params,
+	unsigned int num);
+
+
+#endif // !! AICMD_MAIN_INCLUDED
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/WriteDump.cpp b/src/mesh/assimp-master/tools/assimp_cmd/WriteDump.cpp
new file mode 100644
index 0000000..4ada408
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/WriteDump.cpp
@@ -0,0 +1,172 @@
+/*
+---------------------------------------------------------------------------
+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  WriteDump.cpp
+ *  @brief Implementation of the 'assimp dump' utility
+ */
+
+#include "Main.h"
+#include "PostProcessing/ProcessHelper.h"
+
+const char *AICMD_MSG_DUMP_HELP =
+        "assimp dump <model> [<out>] [-b] [-s] [-z] [common parameters]\n"
+        "\t -b Binary output \n"
+        "\t -s Shortened  \n"
+        "\t -z Compressed  \n"
+        "\t[See the assimp_cmd docs for a full list of all common parameters]  \n"
+        "\t -cfast    Fast post processing preset, runs just a few important steps \n"
+        "\t -cdefault Default post processing: runs all recommended steps\n"
+        "\t -cfull    Fires almost all post processing steps \n";
+
+#include "Common/assbin_chunks.h"
+#include <assimp/DefaultIOSystem.h>
+#include "AssetLib/Assbin/AssbinFileWriter.h"
+#include "AssetLib/Assxml/AssxmlFileWriter.h"
+
+#include <memory>
+
+FILE *out = nullptr;
+bool shortened = false;
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+// -----------------------------------------------------------------------------------
+int Assimp_Dump(const char *const *params, unsigned int num) {
+    const char *fail = "assimp dump: Invalid number of arguments. "
+                       "See \'assimp dump --help\'\r\n";
+
+    // --help
+    if (!strcmp(params[0], "-h") || !strcmp(params[0], "--help") || !strcmp(params[0], "-?")) {
+        printf("%s", AICMD_MSG_DUMP_HELP);
+        return AssimpCmdError::Success;
+    }
+
+    // asssimp dump in out [options]
+    if (num < 1) {
+        printf("%s", fail);
+        return AssimpCmdError::InvalidNumberOfArguments;
+    }
+
+    std::string in = std::string(params[0]);
+    std::string cur_out = (num > 1 ? std::string(params[1]) : std::string("-"));
+
+    // store full command line
+    std::string cmd;
+    for (unsigned int i = (cur_out[0] == '-' ? 1 : 2); i < num; ++i) {
+        if (!params[i]) continue;
+        cmd.append(params[i]);
+        cmd.append(" ");
+    }
+
+    // get import flags
+    ImportData import;
+    ProcessStandardArguments(import, params + 1, num - 1);
+
+    bool binary = false, cur_shortened = false, compressed = false;
+
+    // process other flags
+    for (unsigned int i = 1; i < num; ++i) {
+        if (!params[i]) {
+            continue;
+        }
+        if (!strcmp(params[i], "-b") || !strcmp(params[i], "--binary")) {
+            binary = true;
+        } else if (!strcmp(params[i], "-s") || !strcmp(params[i], "--short")) {
+            cur_shortened = true;
+        } else if (!strcmp(params[i], "-z") || !strcmp(params[i], "--compressed")) {
+            compressed = true;
+        }
+#if 0
+		else if (i > 2 || params[i][0] == '-') {
+			::printf("Unknown parameter: %s\n",params[i]);
+			return 10;
+		}
+#endif
+    }
+
+    if (cur_out[0] == '-') {
+        // take file name from input file
+        std::string::size_type pos = in.find_last_of('.');
+        if (pos == std::string::npos) {
+            pos = in.length();
+        }
+
+        cur_out = in.substr(0, pos);
+        cur_out.append((binary ? ".assbin" : ".assxml"));
+        if (cur_shortened && binary) {
+            cur_out.append(".regress");
+        }
+    }
+
+    // import the main model
+    const aiScene *scene = ImportModel(import, in);
+    if (!scene) {
+        printf("assimp dump: Unable to load input file %s\n", in.c_str());
+        return AssimpCmdError::FailedToLoadInputFile;
+    }
+
+    try {
+        // Dump the main model, using the appropriate method.
+        std::unique_ptr<IOSystem> pIOSystem(new DefaultIOSystem());
+        if (binary) {
+            DumpSceneToAssbin(cur_out.c_str(), cmd.c_str(), pIOSystem.get(),
+                    scene, shortened, compressed);
+        } else {
+            DumpSceneToAssxml(cur_out.c_str(), cmd.c_str(), pIOSystem.get(),
+                    scene, shortened);
+        }
+    } catch (const std::exception &e) {
+        printf("%s", ("assimp dump: " + std::string(e.what())).c_str());
+        return AssimpCmdError::ExceptionWasRaised;
+    } catch (...) {
+        printf("assimp dump: An unknown exception occurred.\n");
+        return AssimpCmdError::ExceptionWasRaised;
+    }
+
+    printf("assimp dump: Wrote output dump %s\n", cur_out.c_str());
+    return AssimpCmdError::Success;
+}
+#else
+int Assimp_Dump(const char *const *, unsigned int ) {
+    printf("assimp dump: Export disabled.\n");
+    return AssimpCmdError::UnrecognizedCommand;
+}
+#endif
\ No newline at end of file
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/assimp_cmd.rc b/src/mesh/assimp-master/tools/assimp_cmd/assimp_cmd.rc
new file mode 100644
index 0000000..e671006
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/assimp_cmd.rc
@@ -0,0 +1,51 @@
+// Microsoft Visual C++ generated resource script.
+//
+#include "resource.h"
+#include "../../revision.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#define APSTUDIO_HIDDEN_SYMBOLS
+#include "windows.h"
+#undef APSTUDIO_HIDDEN_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// Deutsch (Deutschland) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_DEU)
+#ifdef _WIN32
+LANGUAGE LANG_GERMAN, SUBLANG_GERMAN
+#pragma code_page(1252)
+#endif //_WIN32
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_ASSIMP_VIEW         ICON                    "../shared/assimp_tools_icon.ico"
+
+
+
+
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
+#endif
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/generic_inserter.hpp b/src/mesh/assimp-master/tools/assimp_cmd/generic_inserter.hpp
new file mode 100644
index 0000000..8053219
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/generic_inserter.hpp
@@ -0,0 +1,113 @@
+/* Boost Software License - Version 1.0 - August 17th, 2003
+ *
+ * Permission is hereby granted, free of charge, to any person or organization
+ * obtaining a copy of the software and accompanying documentation covered by
+ * this license (the "Software") to use, reproduce, display, distribute,
+ * execute, and transmit the Software, and to prepare derivative works of the
+ * Software, and to permit third-parties to whom the Software is furnished to
+ * do so, all subject to the following:
+ *
+ * The copyright notices in the Software and this entire statement, including
+ * the above license grant, this restriction and the following disclaimer,
+ * must be included in all copies of the Software, in whole or in part, and
+ * all derivative works of the Software, unless such copies or derivative
+ * works are solely in the form of machine-executable object code generated by
+ * a source language processor.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+ * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+ * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE. */
+
+
+#ifndef HEADER_GENERIC_INSERTER_HPP_INCLUDED
+#define HEADER_GENERIC_INSERTER_HPP_INCLUDED
+
+
+#include <ostream>
+#include <new> // bad_alloc
+
+
+template <typename char_type, typename traits_type, typename argument_type>
+std::basic_ostream<char_type, traits_type>& generic_inserter(void (*print)(std::basic_ostream<char_type, traits_type>& os, argument_type const& arg), std::basic_ostream<char_type, traits_type>& os, argument_type const& arg)
+{
+    using namespace ::std;
+
+    ios_base::iostate err = ios_base::goodbit;
+    try
+    {
+        typename basic_ostream<char_type, traits_type>::sentry sentry(os);
+        if (sentry)
+        {
+            print(os, arg);
+            err = os.rdstate();
+            os.width(0); // Reset width in case the user didn't do it.
+        }
+    }
+    catch (bad_alloc const&)
+    {
+        err |= ios_base::badbit; // bad_alloc is considered fatal
+        ios_base::iostate const exception_mask = os.exceptions();
+
+        // Two cases: 1.) badbit is not set; 2.) badbit is set
+        if (((exception_mask & ios_base::failbit) != 0) && // failbit shall throw
+            ((exception_mask & ios_base::badbit) == 0))    // badbit shall not throw
+        {
+            // Do not throw unless failbit is set.
+            // If it is set throw ios_base::failure because we don't know what caused the failbit to be set.
+            os.setstate(err);
+        }
+        else if (exception_mask & ios_base::badbit)
+        {
+            try
+            {
+                // This will set the badbit and throw ios_base::failure.
+                os.setstate(err);
+            }
+            catch (ios_base::failure const&)
+            {
+                // Do nothing since we want bad_alloc to be rethrown.
+            }
+            throw;
+        }
+        // else: no exception must get out!
+    }
+    catch (...)
+    {
+        err |= ios_base::failbit; // Any other exception is considered "only" as a failure.
+        ios_base::iostate const exception_mask = os.exceptions();
+
+        // badbit is considered more important
+        if (((exception_mask & ios_base::badbit) != 0) && // badbit shall throw
+            ((err & ios_base::badbit) != 0))              // badbit is set
+        {
+            // Throw ios_base::failure because we don't know what caused the badbit to be set.
+            os.setstate(err);
+        }
+        else if ((exception_mask & ios_base::failbit) != 0)
+        {
+            try
+            {
+                // This will set the failbit and throw the exception ios_base::failure.
+                os.setstate(err);
+            }
+            catch (ios_base::failure const&)
+            {
+                // Do nothing since we want the original exception to be rethrown.
+            }
+            throw;
+        }
+        // else: no exception must get out!
+    }
+
+    // Needed in the case that no exception has been thrown but the stream state has changed.
+    if (err)
+        os.setstate(err);
+    return os;
+}
+
+
+#endif // HEADER_GENERIC_INSERTER_HPP_INCLUDED
diff --git a/src/mesh/assimp-master/tools/assimp_cmd/resource.h b/src/mesh/assimp-master/tools/assimp_cmd/resource.h
new file mode 100644
index 0000000..caf3a0a
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/resource.h
@@ -0,0 +1,21 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by assimp_view.rc
+//
+#define IDC_MYICON                      2
+#define IDD_ASSIMP_VIEW_DIALOG          102
+#define IDD_ABOUTBOX                    103
+#define IDI_ASSIMP_VIEW                 107
+
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NO_MFC                     1
+#define _APS_NEXT_RESOURCE_VALUE        159
+#define _APS_NEXT_COMMAND_VALUE         32831
+#define _APS_NEXT_CONTROL_VALUE         1052
+#define _APS_NEXT_SYMED_VALUE           110
+#endif
+#endif