Add Assimp library in thirdparty

From https://github.com/assimp/assimp repo at d2b45377e4b09a1f43be95e45553afcc06b03f4b

1 files changed, 364 insertions, 0 deletions

diff --git a/thirdparty/assimp/code/FBXExportProperty.cpp b/thirdparty/assimp/code/FBXExportProperty.cpp
new file mode 100644
index 0000000000..9981d6b1c6
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExportProperty.cpp
@@ -0,0 +1,364 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#include "FBXExportProperty.h"
+
+#include <assimp/StreamWriter.h> // StreamWriterLE
+#include <assimp/Exceptional.h> // DeadlyExportError
+
+#include <string>
+#include <vector>
+#include <ostream>
+#include <locale>
+#include <sstream> // ostringstream
+
+
+// constructors for single element properties
+
+FBX::Property::Property(bool v)
+    : type('C'), data(1)
+{
+    data = {uint8_t(v)};
+}
+
+FBX::Property::Property(int16_t v) : type('Y'), data(2)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<int16_t*>(d))[0] = v;
+}
+
+FBX::Property::Property(int32_t v) : type('I'), data(4)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<int32_t*>(d))[0] = v;
+}
+
+FBX::Property::Property(float v) : type('F'), data(4)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<float*>(d))[0] = v;
+}
+
+FBX::Property::Property(double v) : type('D'), data(8)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<double*>(d))[0] = v;
+}
+
+FBX::Property::Property(int64_t v) : type('L'), data(8)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<int64_t*>(d))[0] = v;
+}
+
+
+// constructors for array-type properties
+
+FBX::Property::Property(const char* c, bool raw)
+    : Property(std::string(c), raw)
+{}
+
+// strings can either be saved as "raw" (R) data, or "string" (S) data
+FBX::Property::Property(const std::string& s, bool raw)
+    : type(raw ? 'R' : 'S'), data(s.size())
+{
+    for (size_t i = 0; i < s.size(); ++i) {
+        data[i] = uint8_t(s[i]);
+    }
+}
+
+FBX::Property::Property(const std::vector<uint8_t>& r)
+    : type('R'), data(r)
+{}
+
+FBX::Property::Property(const std::vector<int32_t>& va)
+    : type('i'), data(4*va.size())
+{
+    int32_t* d = reinterpret_cast<int32_t*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const std::vector<int64_t>& va)
+    : type('l'), data(8*va.size())
+{
+    int64_t* d = reinterpret_cast<int64_t*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const std::vector<float>& va)
+    : type('f'), data(4*va.size())
+{
+    float* d = reinterpret_cast<float*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const std::vector<double>& va)
+    : type('d'), data(8*va.size())
+{
+    double* d = reinterpret_cast<double*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const aiMatrix4x4& vm)
+    : type('d'), data(8*16)
+{
+    double* d = reinterpret_cast<double*>(data.data());
+    for (unsigned int c = 0; c < 4; ++c) {
+        for (unsigned int r = 0; r < 4; ++r) {
+            d[4*c+r] = vm[r][c];
+        }
+    }
+}
+
+// public member functions
+
+size_t FBX::Property::size()
+{
+    switch (type) {
+    case 'C': case 'Y': case 'I': case 'F': case 'D': case 'L':
+        return data.size() + 1;
+    case 'S': case 'R':
+        return data.size() + 5;
+    case 'i': case 'd':
+        return data.size() + 13;
+    default:
+        throw DeadlyExportError("Requested size on property of unknown type");
+    }
+}
+
+void FBX::Property::DumpBinary(Assimp::StreamWriterLE &s)
+{
+    s.PutU1(type);
+    uint8_t* d = data.data();
+    size_t N;
+    switch (type) {
+    case 'C': s.PutU1(*(reinterpret_cast<uint8_t*>(d))); return;
+    case 'Y': s.PutI2(*(reinterpret_cast<int16_t*>(d))); return;
+    case 'I': s.PutI4(*(reinterpret_cast<int32_t*>(d))); return;
+    case 'F': s.PutF4(*(reinterpret_cast<float*>(d))); return;
+    case 'D': s.PutF8(*(reinterpret_cast<double*>(d))); return;
+    case 'L': s.PutI8(*(reinterpret_cast<int64_t*>(d))); return;
+    case 'S':
+    case 'R':
+        s.PutU4(uint32_t(data.size()));
+        for (size_t i = 0; i < data.size(); ++i) { s.PutU1(data[i]); }
+        return;
+    case 'i':
+        N = data.size() / 4;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutI4((reinterpret_cast<int32_t*>(d))[i]);
+        }
+        return;
+    case 'l':
+        N = data.size() / 8;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutI8((reinterpret_cast<int64_t*>(d))[i]);
+        }
+        return;
+    case 'f':
+        N = data.size() / 4;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutF4((reinterpret_cast<float*>(d))[i]);
+        }
+        return;
+    case 'd':
+        N = data.size() / 8;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutF8((reinterpret_cast<double*>(d))[i]);
+        }
+        return;
+    default:
+        std::ostringstream err;
+        err << "Tried to dump property with invalid type '";
+        err << type << "'!";
+        throw DeadlyExportError(err.str());
+    }
+}
+
+void FBX::Property::DumpAscii(Assimp::StreamWriterLE &outstream, int indent)
+{
+    std::ostringstream ss;
+    ss.imbue(std::locale::classic());
+    ss.precision(15); // this seems to match official FBX SDK exports
+    DumpAscii(ss, indent);
+    outstream.PutString(ss.str());
+}
+
+void FBX::Property::DumpAscii(std::ostream& s, int indent)
+{
+    // no writing type... or anything. just shove it into the stream.
+    uint8_t* d = data.data();
+    size_t N;
+    size_t swap = data.size();
+    size_t count = 0;
+    switch (type) {
+    case 'C':
+        if (*(reinterpret_cast<uint8_t*>(d))) { s << 'T'; }
+        else { s << 'F'; }
+        return;
+    case 'Y': s << *(reinterpret_cast<int16_t*>(d)); return;
+    case 'I': s << *(reinterpret_cast<int32_t*>(d)); return;
+    case 'F': s << *(reinterpret_cast<float*>(d)); return;
+    case 'D': s << *(reinterpret_cast<double*>(d)); return;
+    case 'L': s << *(reinterpret_cast<int64_t*>(d)); return;
+    case 'S':
+        // first search to see if it has "\x00\x01" in it -
+        // which separates fields which are reversed in the ascii version.
+        // yeah.
+        // FBX, yeah.
+        for (size_t i = 0; i < data.size(); ++i) {
+            if (data[i] == '\0') {
+                swap = i;
+                break;
+            }
+        }
+    case 'R':
+        s << '"';
+        // we might as well check this now,
+        // probably it will never happen
+        for (size_t i = 0; i < data.size(); ++i) {
+            char c = data[i];
+            if (c == '"') {
+                throw runtime_error("can't handle quotes in property string");
+            }
+        }
+        // first write the SWAPPED member (if any)
+        for (size_t i = swap + 2; i < data.size(); ++i) {
+            char c = data[i];
+            s << c;
+        }
+        // then a separator
+        if (swap != data.size()) {
+            s << "::";
+        }
+        // then the initial member
+        for (size_t i = 0; i < swap; ++i) {
+            char c = data[i];
+            s << c;
+        }
+        s << '"';
+        return;
+    case 'i':
+        N = data.size() / 4; // number of elements
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<int32_t*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    case 'l':
+        N = data.size() / 8;
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<int64_t*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    case 'f':
+        N = data.size() / 4;
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<float*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    case 'd':
+        N = data.size() / 8;
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        // set precision to something that can handle doubles
+        s.precision(15);
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<double*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    default:
+        std::ostringstream err;
+        err << "Tried to dump property with invalid type '";
+        err << type << "'!";
+        throw runtime_error(err.str());
+    }
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+#endif // ASSIMP_BUILD_NO_EXPORT