Initial FBX Export Support, sponsored by MyDidimo (mydidimo.com).
Supports: * mesh data with normals and uvs * lambert and phong materials * file textures * bones / skeletons * skinning Does not yet support: * animations * cameras * lights * embedded textures
This commit is contained in:
Tommy
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code/FBXExportProperty.cpp
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code/FBXExportProperty.cpp
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/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2018, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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#ifndef ASSIMP_BUILD_NO_EXPORT
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#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
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#include "FBXExportProperty.h"
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#include <assimp/StreamWriter.h> // StreamWriterLE
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#include <assimp/Exceptional.h> // DeadlyExportError
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#include <string>
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#include <vector>
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#include <sstream> // stringstream
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// constructors for single element properties
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FBX::Property::Property(bool v)
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: type('C'), data(1)
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{
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data = {uint8_t(v)};
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}
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FBX::Property::Property(int16_t v) : type('Y'), data(2)
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{
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uint8_t* d = data.data();
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(reinterpret_cast<int16_t*>(d))[0] = v;
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}
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FBX::Property::Property(int32_t v) : type('I'), data(4)
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{
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uint8_t* d = data.data();
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(reinterpret_cast<int32_t*>(d))[0] = v;
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}
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FBX::Property::Property(float v) : type('F'), data(4)
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{
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uint8_t* d = data.data();
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(reinterpret_cast<float*>(d))[0] = v;
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}
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FBX::Property::Property(double v) : type('D'), data(8)
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{
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uint8_t* d = data.data();
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(reinterpret_cast<double*>(d))[0] = v;
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}
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FBX::Property::Property(int64_t v) : type('L'), data(8)
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{
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uint8_t* d = data.data();
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(reinterpret_cast<int64_t*>(d))[0] = v;
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}
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// constructors for array-type properties
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FBX::Property::Property(const char* c, bool raw)
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: Property(std::string(c), raw)
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{}
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// strings can either be saved as "raw" (R) data, or "string" (S) data
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FBX::Property::Property(const std::string& s, bool raw)
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: type(raw ? 'R' : 'S'), data(s.size())
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{
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for (size_t i = 0; i < s.size(); ++i) {
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data[i] = uint8_t(s[i]);
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}
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}
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FBX::Property::Property(const std::vector<uint8_t>& r)
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: type('R'), data(r)
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{}
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FBX::Property::Property(const std::vector<int32_t>& va)
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: type('i'), data(4*va.size())
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{
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int32_t* d = reinterpret_cast<int32_t*>(data.data());
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for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
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}
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FBX::Property::Property(const std::vector<double>& va)
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: type('d'), data(8*va.size())
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{
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double* d = reinterpret_cast<double*>(data.data());
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for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
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}
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FBX::Property::Property(const aiMatrix4x4& vm)
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: type('d'), data(8*16)
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{
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double* d = reinterpret_cast<double*>(data.data());
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for (size_t c = 0; c < 4; ++c) {
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for (size_t r = 0; r < 4; ++r) {
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d[4*c+r] = vm[r][c];
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}
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}
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}
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// public member functions
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size_t FBX::Property::size()
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{
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switch (type) {
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case 'C': case 'Y': case 'I': case 'F': case 'D': case 'L':
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return data.size() + 1;
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case 'S': case 'R':
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return data.size() + 5;
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case 'i': case 'd':
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return data.size() + 13;
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default:
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throw DeadlyExportError("Requested size on property of unknown type");
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}
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}
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void FBX::Property::Dump(Assimp::StreamWriterLE &s)
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{
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s.PutU1(type);
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uint8_t* d;
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size_t N;
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switch (type) {
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case 'C': s.PutU1(*(reinterpret_cast<uint8_t*>(data.data()))); return;
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case 'Y': s.PutI2(*(reinterpret_cast<int16_t*>(data.data()))); return;
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case 'I': s.PutI4(*(reinterpret_cast<int32_t*>(data.data()))); return;
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case 'F': s.PutF4(*(reinterpret_cast<float*>(data.data()))); return;
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case 'D': s.PutF8(*(reinterpret_cast<double*>(data.data()))); return;
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case 'L': s.PutI8(*(reinterpret_cast<int64_t*>(data.data()))); return;
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case 'S':
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case 'R':
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s.PutU4(data.size());
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for (size_t i = 0; i < data.size(); ++i) { s.PutU1(data[i]); }
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return;
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case 'i':
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N = data.size() / 4;
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s.PutU4(N); // number of elements
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s.PutU4(0); // no encoding (1 would be zip-compressed)
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// TODO: compress if large?
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s.PutU4(data.size()); // data size
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d = data.data();
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for (size_t i = 0; i < N; ++i) {
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s.PutI4((reinterpret_cast<int32_t*>(d))[i]);
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}
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return;
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case 'd':
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N = data.size() / 8;
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s.PutU4(N); // number of elements
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s.PutU4(0); // no encoding (1 would be zip-compressed)
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// TODO: compress if large?
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s.PutU4(data.size()); // data size
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d = data.data();
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for (size_t i = 0; i < N; ++i) {
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s.PutF8((reinterpret_cast<double*>(d))[i]);
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}
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return;
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default:
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std::stringstream err;
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err << "Tried to dump property with invalid type '";
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err << type << "'!";
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throw DeadlyExportError(err.str());
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}
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}
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#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
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#endif // ASSIMP_BUILD_NO_EXPORT
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