616 lines
14 KiB
C++
616 lines
14 KiB
C++
#include "Object.h"
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#include <iostream>
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#define PI (4.0*atan(1.0))
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/////////////////////////////////////////////////////////////////////////
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// public constructor/destructor
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Object::Object(const char* path)
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{
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vModls = new std::vector<Modl*>;
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// open file
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fsMesh.open(path, std::ios::in | std::ios::binary);
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if (!fsMesh.is_open())
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throw std::invalid_argument(std::string("file not found: ") += path);
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// jump to file size information
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fsMesh.seekg(4);
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std::uint32_t tempFileSize;
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std::list<ChunkHeader*> tempMainChunks;
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// get all chunks under HEDR
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fsMesh.read(reinterpret_cast<char*>(&tempFileSize), sizeof(tempFileSize));
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loadChunks(tempMainChunks, fsMesh.tellg(), tempFileSize);
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// evaluate HEDR subchunks (= find MSH2)
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for (std::list<ChunkHeader*>::iterator it = tempMainChunks.begin(); it != tempMainChunks.end(); it++)
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{
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if (!strcmp("MSH2", (*it)->name))
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{
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// get all subchunks
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std::list<ChunkHeader*> tempMsh2Chunks;
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loadChunks(tempMsh2Chunks, (*it)->position, (*it)->size);
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// evaluate MSH2 subchunks
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analyseMsh2Chunks(tempMsh2Chunks);
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// clean up
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while (!tempMsh2Chunks.empty())
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{
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ChunkHeader* tempCursor = tempMsh2Chunks.front();
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tempMsh2Chunks.pop_front();
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delete tempCursor;
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}
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continue;
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}
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}
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// clean up
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while (!tempMainChunks.empty())
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{
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ChunkHeader* tempCursor = tempMainChunks.front();
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tempMainChunks.pop_front();
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delete tempCursor;
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}
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// close file
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fsMesh.close();
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}
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Object::~Object()
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{
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// clear texture list
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vTextures.clear();
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}
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/////////////////////////////////////////////////////////////////////////
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// private functions
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void Object::loadChunks(std::list<ChunkHeader*>& destination, std::streampos start, const std::uint32_t end)
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{
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// jump to first chunk
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fsMesh.seekg(start);
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do
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{
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ChunkHeader* tempHeader = new ChunkHeader();
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fsMesh.read(reinterpret_cast<char*>(&tempHeader->name[0]), sizeof(tempHeader->name) - 1);
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fsMesh.read(reinterpret_cast<char*>(&tempHeader->size), sizeof(tempHeader->size));
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tempHeader->position = fsMesh.tellg();
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destination.push_back(tempHeader);
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fsMesh.seekg(tempHeader->size, std::ios_base::cur);
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// reached end
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if (fsMesh.tellg() - start == end)
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break;
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// error. Maybe the size information is corrupted
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if (!fsMesh.good())
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{
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std::cout << "WARNING: corrupted file. Trying to continue" << std::endl;
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fsMesh.clear();
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break;
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}
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} while (true);
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}
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void Object::analyseMsh2Chunks(std::list<ChunkHeader*>& chunkList)
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{
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for (auto& it : chunkList)
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{
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if (!strcmp("SINF", it->name))
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{
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std::list<ChunkHeader*> tempSinfChunks;
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loadChunks(tempSinfChunks, it->position, it->size);
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// evaluate MATL subchunks
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for (auto& it : tempSinfChunks)
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{
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if (!strcmp("BBOX", it->name))
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{
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fsMesh.seekg(it->position);
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// read in the quaternion
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for (int i = 0; i < 4; i++)
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fsMesh.read(reinterpret_cast<char*>(&boundingBox.quaternion[i]), sizeof(float));
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//read in the center
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for (int i = 0; i < 3; i++)
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fsMesh.read(reinterpret_cast<char*>(&boundingBox.center[i]), sizeof(float));
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//read in the extents
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for (int i = 0; i < 3; i++)
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fsMesh.read(reinterpret_cast<char*>(&boundingBox.extents[i]), sizeof(float));
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}
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}
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for (ChunkHeader* it : tempSinfChunks)
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delete it;
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}
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else if (!strcmp("MATL", it->name))
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{
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// "useless" information how many MATD follow
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fsMesh.seekg(it->position);
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fsMesh.seekg(sizeof(std::uint32_t), std::ios_base::cur);
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// get all MATD from MATL list
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std::list<ChunkHeader*> tempMatlChunks;
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loadChunks(tempMatlChunks, fsMesh.tellg(), it->size - 4);
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// evaluate MATL subchunks
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for (auto& it : tempMatlChunks)
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{
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// This shouldn't be anything else than MATD
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if (!strcmp("MATD", it->name))
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{
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// get all subchunks from MATD
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std::list<ChunkHeader*> tempMatdChunks;
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loadChunks(tempMatdChunks, it->position, it->size);
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vTextures.push_back("");
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// analyse MATD subchunks
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analyseMatdChunks(tempMatdChunks);
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// clean up
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while (!tempMatdChunks.empty())
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{
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ChunkHeader* tempCursor = tempMatdChunks.front();
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tempMatdChunks.pop_front();
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delete tempCursor;
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}
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}
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}
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// clean up
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while (!tempMatlChunks.empty())
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{
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ChunkHeader* tempCursor = tempMatlChunks.front();
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tempMatlChunks.pop_front();
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delete tempCursor;
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}
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}
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else if (!strcmp("MODL", it->name))
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{
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Modl* tempModl = new Modl;
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// get all subchunks
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std::list<ChunkHeader*> tempChunks;
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loadChunks(tempChunks, it->position, it->size);
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// evaluate MODL subchunks
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analyseModlChunks(tempModl, tempChunks);
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//clean up
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while (!tempChunks.empty())
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{
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ChunkHeader* tempCursor = tempChunks.front();
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tempChunks.pop_front();
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delete tempCursor;
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}
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// save Model data
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vModls->push_back(tempModl);
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}
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}
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}
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void Object::analyseMatdChunks(std::list<ChunkHeader*>& chunkList)
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{
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for (auto& it : chunkList)
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{
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//TX1D, TX2D, TX3D
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if (!strcmp("TX0D", it->name))
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{
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fsMesh.seekg(it->position);
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char* buffer = new char[it->size + 1];
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*buffer = { 0 };
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fsMesh.read(buffer, it->size);
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vTextures.back() = buffer;
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delete[] buffer;
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}
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}
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}
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void Object::analyseModlChunks(Modl* dataDestination, std::list<ChunkHeader*>& chunkList)
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{
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for (auto& it : chunkList)
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{
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if (!strcmp("MTYP", it->name))
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{
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fsMesh.seekg(it->position);
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std::uint32_t tempType;
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fsMesh.read(reinterpret_cast<char*>(&tempType), sizeof(tempType));
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dataDestination->type = (Mtyp)tempType;
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}
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else if (!strcmp("PRNT", it->name))
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{
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fsMesh.seekg(it->position);
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char* buffer = new char[it->size];
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*buffer = { 0 };
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fsMesh.read(buffer, it->size);
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dataDestination->parent = buffer;
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delete[] buffer;
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}
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else if (!strcmp("NAME", it->name))
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{
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fsMesh.seekg(it->position);
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char* buffer = new char[it->size];
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*buffer = { 0 };
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fsMesh.read(buffer, it->size);
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dataDestination->name = buffer;
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delete[] buffer;
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}
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else if (!strcmp("FLGS", it->name))
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{
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fsMesh.seekg(it->position);
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fsMesh.read(reinterpret_cast<char*>(&dataDestination->renderFlags), sizeof(dataDestination->renderFlags));
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}
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else if (!strcmp("TRAN", it->name))
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{
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float tempScale[3];
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float tempRotation[4];
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float tempTrans[3];
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fsMesh.seekg(it->position);
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for(int i = 0; i < 3; i++)
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fsMesh.read(reinterpret_cast<char*>(&tempScale[i]), sizeof(float));
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for (int i = 0; i < 4; i++)
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fsMesh.read(reinterpret_cast<char*>(&tempRotation[i]), sizeof(float));
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quat2eul(tempRotation[0], tempRotation[1], tempRotation[2], tempRotation[3]);
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for (int i = 0; i < 3; i++)
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fsMesh.read(reinterpret_cast<char*>(&tempTrans[i]), sizeof(float));
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dataDestination->m4x4Translation = glm::scale(
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dataDestination->m4x4Translation,
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glm::vec3(tempScale[0], tempScale[1], tempScale[2])
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);
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dataDestination->m4x4Translation = glm::translate(
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dataDestination->m4x4Translation,
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glm::vec3(tempTrans[0], tempTrans[1], tempTrans[2])
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);
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dataDestination->m4x4Translation = glm::rotate(
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dataDestination->m4x4Translation,
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tempRotation[0],
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glm::vec3(1, 0, 0)
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);
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dataDestination->m4x4Translation = glm::rotate(
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dataDestination->m4x4Translation,
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tempRotation[1],
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glm::vec3(0, 1, 0)
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);
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dataDestination->m4x4Translation = glm::rotate(
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dataDestination->m4x4Translation,
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tempRotation[2],
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glm::vec3(0, 0, 1)
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);
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}
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else if (!strcmp("GEOM", it->name))
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{
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// get all subchunks
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std::list<ChunkHeader*> tempGeomChunks;
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loadChunks(tempGeomChunks, it->position, it->size);
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// evaluate GEOM subchunks
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analyseGeomChunks(dataDestination, tempGeomChunks);
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// clean up
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while (!tempGeomChunks.empty())
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{
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ChunkHeader* tempCursor = tempGeomChunks.front();
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tempGeomChunks.pop_front();
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delete tempCursor;
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}
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}
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}
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}
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void Object::analyseGeomChunks(Modl * dataDestination, std::list<ChunkHeader*>& chunkList)
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{
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for (auto& it : chunkList)
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{
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if (!strcmp("SEGM", it->name))
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{
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// get all subchunks
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std::list<ChunkHeader*> tempSegmChunks;
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loadChunks(tempSegmChunks, it->position, it->size);
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// evaluate SEGM subchunks
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analyseSegmChunks(dataDestination, tempSegmChunks);
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// clean up
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while (!tempSegmChunks.empty())
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{
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ChunkHeader* tempCursor = tempSegmChunks.front();
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tempSegmChunks.pop_front();
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delete tempCursor;
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}
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continue;
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}
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if (!strcmp("CLTH", it->name))
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{
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// get all subchunks
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std::list<ChunkHeader*> tempClthChunks;
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loadChunks(tempClthChunks, it->position, it->size);
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// evaluate CLTH subchunks
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analyseClthChunks(dataDestination, tempClthChunks);
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// clean up
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while (!tempClthChunks.empty())
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{
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ChunkHeader* tempCursor = tempClthChunks.front();
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tempClthChunks.pop_front();
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delete tempCursor;
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}
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continue;
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}
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}
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}
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void Object::analyseSegmChunks(Modl * dataDestination, std::list<ChunkHeader*>& chunkList)
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{
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Segment* tempData = new Segment;
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for (auto& it : chunkList)
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{
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if (!strcmp("MATI", it->name))
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{
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fsMesh.seekg(it->position);
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fsMesh.read(reinterpret_cast<char*>(&tempData->textureIndex), sizeof(tempData->textureIndex));
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}
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else if (!strcmp("POSL", it->name))
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{
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readVertex(tempData, it->position);
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}
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/*else if (!strcmp("NRML", it->name))
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{
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fsMesh.seekg(it->position);
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std::uint32_t tempSize;
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fsMesh.read(reinterpret_cast<char*>(&tempSize), sizeof(tempSize));
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// List of normals
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// long int - 4 - number of normal vectores stored in this list
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// float[3][] - 12 each - UVW vector for each vertex
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}*/
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else if (!strcmp("UV0L", it->name))
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{
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readUV(tempData, it->position);
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}
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else if (!strcmp("STRP", it->name))
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{
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// don't get null, bone, shadowMesh and hidden mesh indices
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if (dataDestination->type == null ||
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dataDestination->type == bone ||
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dataDestination->type == shadowMesh ||
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dataDestination->renderFlags == 1)
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continue;
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// jump to the data section and read the size;
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std::uint32_t tempSize;
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fsMesh.seekg(it->position);
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fsMesh.read(reinterpret_cast<char*>(&tempSize), sizeof(tempSize));
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int highBitCount(0);
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std::vector<uint32_t> tempPoly; // = new std::vector<uint32_t>;
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for (unsigned int i = 0; i < tempSize; i++)
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{
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// ReadData
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std::uint16_t tempValue;
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fsMesh.read(reinterpret_cast<char*>(&tempValue), sizeof(std::uint16_t));
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// Check for highbit
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if (tempValue >> 15)
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{
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highBitCount++;
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tempValue = (std::uint16_t(tempValue << 1) >> 1);
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}
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tempPoly.push_back((std::uint32_t)tempValue);
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// new Polygon found
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if (highBitCount == 2)
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{
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// reset highBitCount
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highBitCount = 0;
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// remove the last two values..
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std::uint32_t saveData[2];
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for (int i = 0; i < 2; i++)
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{
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saveData[i] = tempPoly.back();
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tempPoly.pop_back();
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}
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// ..and save them in the new vector
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tempData->meshIndices.push_back(tempPoly);
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tempPoly.clear();
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for (int i = 1; i >= 0; i--)
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tempPoly.push_back(saveData[i]);
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} // if high bit set
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} // for all values
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// save the last values (where no 2 high bits follow);
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tempData->meshIndices.push_back(tempPoly);
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// kick the first element, it's empty as a reason of the algo above;
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tempData->meshIndices.erase(tempData->meshIndices.begin());
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}
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}
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dataDestination->segmLst.push_back(tempData);
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}
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void Object::analyseClthChunks(Modl * dataDestination, std::list<ChunkHeader*>& chunkList)
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{
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Segment* tempData = new Segment;
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for (auto& it : chunkList)
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{
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if (!strcmp("CTEX", it->name))
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{
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fsMesh.seekg(it->position);
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char* buffer = new char[it->size];
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*buffer = { 0 };
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fsMesh.read(buffer, it->size);
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bool tempFound(false);
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for (unsigned int index = 0; index < vTextures.size(); index++)
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{
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if (!strcmp(buffer, vTextures[index].c_str()))
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{
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tempData->textureIndex = index;
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tempFound = true;
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break;
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}
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}
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if (!tempFound)
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{
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vTextures.push_back(std::string(buffer));
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tempData->textureIndex = vTextures.size() - 1;
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}
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delete[] buffer;
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}
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else if (!strcmp("CPOS", it->name))
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{
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readVertex(tempData, it->position);
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}
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else if (!strcmp("CUV0", it->name))
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{
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readUV(tempData, it->position);
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}
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else if (!strcmp("CMSH", it->name))
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{
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// jump to the data section and read the size;
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std::uint32_t tempSize;
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fsMesh.seekg(it->position);
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fsMesh.read(reinterpret_cast<char*>(&tempSize), sizeof(tempSize));
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std::vector<uint32_t> tempPoly;
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// for every triangle..
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for (unsigned int i = 0; i < tempSize * 3; i += 3)
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{
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tempPoly.clear();
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// ..get the 3 indices and save them
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for (int j = 0; j < 3; j++)
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{
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std::uint32_t tempValue;
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fsMesh.read(reinterpret_cast<char*>(&tempValue), sizeof(std::uint32_t));
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tempPoly.push_back(tempValue);
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}
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tempData->meshIndices.push_back(tempPoly);
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}
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}
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}
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dataDestination->segmLst.push_back(tempData);
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}
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void Object::readVertex(Segment* dataDestination, std::streampos position)
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{
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std::uint32_t tempSize;
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fsMesh.seekg(position);
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fsMesh.read(reinterpret_cast<char*>(&tempSize), sizeof(tempSize));
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dataDestination->vertex = new float[tempSize * 3];
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for (unsigned int i = 0; i < tempSize * 3; i++)
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fsMesh.read(reinterpret_cast<char*>(&dataDestination->vertex[i]), sizeof(float));
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}
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void Object::readUV(Segment* dataDestination, std::streampos position)
|
|
{
|
|
std::uint32_t tempSize;
|
|
fsMesh.seekg(position);
|
|
fsMesh.read(reinterpret_cast<char*>(&tempSize), sizeof(tempSize));
|
|
|
|
dataDestination->uv = new float[tempSize * 2];
|
|
|
|
for (unsigned int i = 0; i < tempSize * 2; i++)
|
|
fsMesh.read(reinterpret_cast<char*>(&dataDestination->uv[i]), sizeof(float));
|
|
}
|
|
|
|
void Object::quat2eul(float &quat0, float &quat1, float & quat2, float &quat3)
|
|
{
|
|
float ysqr = quat1 * quat1;
|
|
float t0 = -2.0f * (ysqr + quat2 * quat2) + 1.0f;
|
|
float t1 = +2.0f * (quat0 * quat1 - quat3 * quat2);
|
|
float t2 = -2.0f * (quat0 * quat2 + quat3 * quat1);
|
|
float t3 = +2.0f * (quat1 * quat2 - quat3 * quat0);
|
|
float t4 = -2.0f * (quat0 * quat0 + ysqr) + 1.0f;
|
|
|
|
t2 = t2 > 1.0f ? 1.0f : t2;
|
|
t2 = t2 < -1.0f ? -1.0f : t2;
|
|
|
|
quat1 = std::asin(t2);
|
|
quat0 = std::atan2(t3, t4);
|
|
quat2 = std::atan2(t1, t0);
|
|
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
// public getter
|
|
|
|
std::vector<Modl*>* Object::getModels() const
|
|
{
|
|
return vModls;
|
|
}
|
|
|
|
std::vector<std::string> Object::getTextureList() const
|
|
{
|
|
return vTextures;
|
|
}
|
|
|
|
Bbox Object::getBoundgBox() const
|
|
{
|
|
return boundingBox;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
// public functions
|
|
|