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+/*
+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.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#include <vector>
+#include <string>
+#include <memory>
+#include <iostream>
+#include <fstream>
+#include <ostream>
+#include "MMDCpp14.h"
+
+namespace vmd
+{
+ class VmdBoneFrame
+ {
+ public:
+ std::string name;
+ int frame;
+ float position[3];
+ float orientation[4];
+ char interpolation[4][4][4];
+
+ void Read(std::istream* stream)
+ {
+ char buffer[15];
+ stream->read((char*) buffer, sizeof(char)*15);
+ name = std::string(buffer);
+ stream->read((char*) &frame, sizeof(int));
+ stream->read((char*) position, sizeof(float)*3);
+ stream->read((char*) orientation, sizeof(float)*4);
+ stream->read((char*) interpolation, sizeof(char) * 4 * 4 * 4);
+ }
+
+ void Write(std::ostream* stream)
+ {
+ stream->write((char*)name.c_str(), sizeof(char) * 15);
+ stream->write((char*)&frame, sizeof(int));
+ stream->write((char*)position, sizeof(float) * 3);
+ stream->write((char*)orientation, sizeof(float) * 4);
+ stream->write((char*)interpolation, sizeof(char) * 4 * 4 * 4);
+ }
+ };
+
+ class VmdFaceFrame
+ {
+ public:
+ std::string face_name;
+ float weight;
+ uint32_t frame;
+
+ void Read(std::istream* stream)
+ {
+ char buffer[15];
+ stream->read((char*) &buffer, sizeof(char) * 15);
+ face_name = std::string(buffer);
+ stream->read((char*) &frame, sizeof(int));
+ stream->read((char*) &weight, sizeof(float));
+ }
+
+ void Write(std::ostream* stream)
+ {
+ stream->write((char*)face_name.c_str(), sizeof(char) * 15);
+ stream->write((char*)&frame, sizeof(int));
+ stream->write((char*)&weight, sizeof(float));
+ }
+ };
+
+ class VmdCameraFrame
+ {
+ public:
+ int frame;
+ float distance;
+ float position[3];
+ float orientation[3];
+ char interpolation[6][4];
+ float angle;
+ char unknown[3];
+
+ void Read(std::istream *stream)
+ {
+ stream->read((char*) &frame, sizeof(int));
+ stream->read((char*) &distance, sizeof(float));
+ stream->read((char*) position, sizeof(float) * 3);
+ stream->read((char*) orientation, sizeof(float) * 3);
+ stream->read((char*) interpolation, sizeof(char) * 24);
+ stream->read((char*) &angle, sizeof(float));
+ stream->read((char*) unknown, sizeof(char) * 3);
+ }
+
+ void Write(std::ostream *stream)
+ {
+ stream->write((char*)&frame, sizeof(int));
+ stream->write((char*)&distance, sizeof(float));
+ stream->write((char*)position, sizeof(float) * 3);
+ stream->write((char*)orientation, sizeof(float) * 3);
+ stream->write((char*)interpolation, sizeof(char) * 24);
+ stream->write((char*)&angle, sizeof(float));
+ stream->write((char*)unknown, sizeof(char) * 3);
+ }
+ };
+
+ class VmdLightFrame
+ {
+ public:
+ int frame;
+ float color[3];
+ float position[3];
+
+ void Read(std::istream* stream)
+ {
+ stream->read((char*) &frame, sizeof(int));
+ stream->read((char*) color, sizeof(float) * 3);
+ stream->read((char*) position, sizeof(float) * 3);
+ }
+
+ void Write(std::ostream* stream)
+ {
+ stream->write((char*)&frame, sizeof(int));
+ stream->write((char*)color, sizeof(float) * 3);
+ stream->write((char*)position, sizeof(float) * 3);
+ }
+ };
+
+ class VmdIkEnable
+ {
+ public:
+ std::string ik_name;
+ bool enable;
+ };
+
+ class VmdIkFrame
+ {
+ public:
+ int frame;
+ bool display;
+ std::vector<VmdIkEnable> ik_enable;
+
+ void Read(std::istream *stream)
+ {
+ char buffer[20];
+ stream->read((char*) &frame, sizeof(int));
+ stream->read((char*) &display, sizeof(uint8_t));
+ int ik_count;
+ stream->read((char*) &ik_count, sizeof(int));
+ ik_enable.resize(ik_count);
+ for (int i = 0; i < ik_count; i++)
+ {
+ stream->read(buffer, 20);
+ ik_enable[i].ik_name = std::string(buffer);
+ stream->read((char*) &ik_enable[i].enable, sizeof(uint8_t));
+ }
+ }
+
+ void Write(std::ostream *stream)
+ {
+ stream->write((char*)&frame, sizeof(int));
+ stream->write((char*)&display, sizeof(uint8_t));
+ int ik_count = static_cast<int>(ik_enable.size());
+ stream->write((char*)&ik_count, sizeof(int));
+ for (int i = 0; i < ik_count; i++)
+ {
+ const VmdIkEnable& ik_enable = this->ik_enable.at(i);
+ stream->write(ik_enable.ik_name.c_str(), 20);
+ stream->write((char*)&ik_enable.enable, sizeof(uint8_t));
+ }
+ }
+ };
+
+ class VmdMotion
+ {
+ public:
+ std::string model_name;
+ int version;
+ std::vector<VmdBoneFrame> bone_frames;
+ std::vector<VmdFaceFrame> face_frames;
+ std::vector<VmdCameraFrame> camera_frames;
+ std::vector<VmdLightFrame> light_frames;
+ std::vector<VmdIkFrame> ik_frames;
+
+ static std::unique_ptr<VmdMotion> LoadFromFile(char const *filename)
+ {
+ std::ifstream stream(filename, std::ios::binary);
+ auto result = LoadFromStream(&stream);
+ stream.close();
+ return result;
+ }
+
+ static std::unique_ptr<VmdMotion> LoadFromStream(std::ifstream *stream)
+ {
+
+ char buffer[30];
+ auto result = mmd::make_unique<VmdMotion>();
+
+ // magic and version
+ stream->read((char*) buffer, 30);
+ if (strncmp(buffer, "Vocaloid Motion Data", 20))
+ {
+ std::cerr << "invalid vmd file." << std::endl;
+ return nullptr;
+ }
+ result->version = std::atoi(buffer + 20);
+
+ // name
+ stream->read(buffer, 20);
+ result->model_name = std::string(buffer);
+
+ // bone frames
+ int bone_frame_num;
+ stream->read((char*) &bone_frame_num, sizeof(int));
+ result->bone_frames.resize(bone_frame_num);
+ for (int i = 0; i < bone_frame_num; i++)
+ {
+ result->bone_frames[i].Read(stream);
+ }
+
+ // face frames
+ int face_frame_num;
+ stream->read((char*) &face_frame_num, sizeof(int));
+ result->face_frames.resize(face_frame_num);
+ for (int i = 0; i < face_frame_num; i++)
+ {
+ result->face_frames[i].Read(stream);
+ }
+
+ // camera frames
+ int camera_frame_num;
+ stream->read((char*) &camera_frame_num, sizeof(int));
+ result->camera_frames.resize(camera_frame_num);
+ for (int i = 0; i < camera_frame_num; i++)
+ {
+ result->camera_frames[i].Read(stream);
+ }
+
+ // light frames
+ int light_frame_num;
+ stream->read((char*) &light_frame_num, sizeof(int));
+ result->light_frames.resize(light_frame_num);
+ for (int i = 0; i < light_frame_num; i++)
+ {
+ result->light_frames[i].Read(stream);
+ }
+
+ // unknown2
+ stream->read(buffer, 4);
+
+ // ik frames
+ if (stream->peek() != std::ios::traits_type::eof())
+ {
+ int ik_num;
+ stream->read((char*) &ik_num, sizeof(int));
+ result->ik_frames.resize(ik_num);
+ for (int i = 0; i < ik_num; i++)
+ {
+ result->ik_frames[i].Read(stream);
+ }
+ }
+
+ if (stream->peek() != std::ios::traits_type::eof())
+ {
+ std::cerr << "vmd stream has unknown data." << std::endl;
+ }
+
+ return result;
+ }
+
+ bool SaveToFile(const std::u16string& /*filename*/)
+ {
+ // TODO: How to adapt u16string to string?
+ /*
+ std::ofstream stream(filename.c_str(), std::ios::binary);
+ auto result = SaveToStream(&stream);
+ stream.close();
+ return result;
+ */
+ return false;
+ }
+
+ bool SaveToStream(std::ofstream *stream)
+ {
+ std::string magic = "Vocaloid Motion Data 0002\0";
+ magic.resize(30);
+
+ // magic and version
+ stream->write(magic.c_str(), 30);
+
+ // name
+ stream->write(model_name.c_str(), 20);
+
+ // bone frames
+ const int bone_frame_num = static_cast<int>(bone_frames.size());
+ stream->write(reinterpret_cast<const char*>(&bone_frame_num), sizeof(int));
+ for (int i = 0; i < bone_frame_num; i++)
+ {
+ bone_frames[i].Write(stream);
+ }
+
+ // face frames
+ const int face_frame_num = static_cast<int>(face_frames.size());
+ stream->write(reinterpret_cast<const char*>(&face_frame_num), sizeof(int));
+ for (int i = 0; i < face_frame_num; i++)
+ {
+ face_frames[i].Write(stream);
+ }
+
+ // camera frames
+ const int camera_frame_num = static_cast<int>(camera_frames.size());
+ stream->write(reinterpret_cast<const char*>(&camera_frame_num), sizeof(int));
+ for (int i = 0; i < camera_frame_num; i++)
+ {
+ camera_frames[i].Write(stream);
+ }
+
+ // light frames
+ const int light_frame_num = static_cast<int>(light_frames.size());
+ stream->write(reinterpret_cast<const char*>(&light_frame_num), sizeof(int));
+ for (int i = 0; i < light_frame_num; i++)
+ {
+ light_frames[i].Write(stream);
+ }
+
+ // self shadow datas
+ const int self_shadow_num = 0;
+ stream->write(reinterpret_cast<const char*>(&self_shadow_num), sizeof(int));
+
+ // ik frames
+ const int ik_num = static_cast<int>(ik_frames.size());
+ stream->write(reinterpret_cast<const char*>(&ik_num), sizeof(int));
+ for (int i = 0; i < ik_num; i++)
+ {
+ ik_frames[i].Write(stream);
+ }
+
+ return true;
+ }
+ };
+}
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