Teejoon
c272857819
Conflicts: src/Engine/Rendering/RawModelCustom.cpp tools/MayaExporter/MayaExporter/Skeleton.cpp
414 lines
14 KiB
C++
414 lines
14 KiB
C++
#include "Rendering/RawModelCustom.h"
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#ifndef USING_ASSIMP_AS_IMPORTER
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RawModelCustom::RawModelCustom(std::string fileName)
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{
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if(fileName.substr(fileName.find_last_of(".")).compare(".mesh") != 0) {
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throw Resource::FailedLoadingException("Unknown model file format. Please use \".mesh\" files.");
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}
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fileName = fileName.erase(fileName.find_last_of("."), fileName.find_last_of(".") - fileName.size());
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ReadMeshFile(fileName);
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ReadMaterialFile(fileName);
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ReadAnimationFile(fileName);
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}
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void RawModelCustom::ReadMeshFile(std::string filePath)
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{
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char* fileData;
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filePath += ".mesh";
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std::ifstream in(filePath.c_str(), std::ios_base::binary | std::ios_base::ate);
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if (!in.is_open()) {
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throw Resource::FailedLoadingException("Open mesh file failed");
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}
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unsigned int fileByteSize = in.tellg();
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in.seekg(0, std::ios_base::beg);
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fileData = new char[fileByteSize];
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in.read(fileData, fileByteSize);
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in.close();
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unsigned int offset = 0;
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if (fileByteSize > 0) {
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ReadMeshFileHeader(offset, fileData, fileByteSize);
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ReadMesh(offset, fileData, fileByteSize);
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}
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delete fileData;
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}
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void RawModelCustom::ReadMeshFileHeader(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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hasSkin = true;//*(bool*)(fileData + offset);
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//offset += sizeof(bool);
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if (hasSkin) {
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m_SkinedVertices.resize(*(unsigned int*)(fileData + offset));
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}
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else {
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m_Vertices.resize(*(unsigned int*)(fileData + offset));
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}
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offset += sizeof(unsigned int);
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m_Indices.resize(*(unsigned int*)(fileData + offset));
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offset += sizeof(unsigned int);
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#else
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#endif
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}
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void RawModelCustom::ReadMesh(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
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{
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ReadVertices(offset, fileData, fileByteSize);
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ReadIndices(offset, fileData, fileByteSize);
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}
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void RawModelCustom::ReadVertices(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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if (hasSkin) {
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if (offset + m_SkinedVertices.size() * sizeof(SkinedVertex) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading skined vertices failed");
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}
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memcpy(&m_SkinedVertices[0], fileData + offset, m_SkinedVertices.size() * sizeof(SkinedVertex));
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offset += m_SkinedVertices.size() * sizeof(SkinedVertex);
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} else {
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if (offset + m_Vertices.size() * sizeof(Vertex) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading vertices failed");
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}
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memcpy(&m_Vertices[0], fileData + offset, m_Vertices.size() * sizeof(Vertex));
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offset += m_Vertices.size() * sizeof(Vertex);
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}
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#else
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#endif
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}
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void RawModelCustom::ReadIndices(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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if (offset + m_Indices.size() * sizeof(unsigned int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading indices failed");
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}
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memcpy(&m_Indices[0], fileData + offset, m_Indices.size() * sizeof(unsigned int));
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offset += m_Indices.size() * sizeof(unsigned int);
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#else
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#endif
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}
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void RawModelCustom::ReadMaterialFile(std::string filePath)
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{
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char* fileData;
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filePath += ".mtrl";
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std::ifstream in(filePath.c_str(), std::ios_base::binary | std::ios_base::ate);
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if (!in.is_open()) {
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throw Resource::FailedLoadingException("Open material file failed");
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}
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unsigned int fileByteSize = in.tellg();
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in.seekg(0, std::ios_base::beg);
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fileData = new char[fileByteSize];
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in.read(fileData, fileByteSize);
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in.close();
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unsigned int offset = 0;
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if (fileByteSize > 0) {
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ReadMaterials(offset, fileData, fileByteSize);
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}
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delete fileData;
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}
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void RawModelCustom::ReadMaterials(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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unsigned int* numMaterials = (unsigned int*)(fileData);
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MaterialGroups.reserve(*numMaterials);
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offset += sizeof(unsigned int);
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for (int i = 0; i < *numMaterials; i++) {
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ReadMaterialSingle(offset, fileData, fileByteSize);
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}
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#else
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#endif
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}
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void RawModelCustom::ReadMaterialSingle(unsigned int &offset, char* fileData, unsigned int& fileByteSize)
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{
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MaterialGroup newMaterial;
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#ifdef BOOST_LITTLE_ENDIAN
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if (offset + sizeof(unsigned int) * 4 > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Material texture names length failed");
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}
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unsigned int* nameLengths = (unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int) * 4;
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if (offset + sizeof(float) * 11 + sizeof(unsigned int) * 2 > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Material specular, reflection, color and start and end index values failed");
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}
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newMaterial.SpecularExponent = *(float*)(fileData + offset);
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offset += sizeof(float);
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newMaterial.ReflectionFactor = *(float*)(fileData + offset);
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offset += sizeof(float);
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memcpy(&newMaterial.DiffuseColor[0], fileData + offset, sizeof(float) * 3);
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offset += sizeof(float) * 3;
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memcpy(&newMaterial.SpecularColor[0], fileData + offset, sizeof(float) * 3);
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offset += sizeof(float) * 3;
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memcpy(&newMaterial.IncandescenceColor[0], fileData + offset, sizeof(float) * 3);
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offset += sizeof(float) * 3;
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newMaterial.StartIndex = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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newMaterial.EndIndex = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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if (nameLengths[0] > 0) {
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if (offset + nameLengths[0] > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Material texture path failed");
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}
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newMaterial.TexturePath = "Textures/";
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newMaterial.TexturePath += (fileData + offset);
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newMaterial.TexturePath += ".png";
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offset += nameLengths[0];
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}
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if (nameLengths[1] > 0) {
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if (offset + nameLengths[1] > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Material NormalMap path failed");
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}
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newMaterial.NormalMapPath = "Textures/";
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newMaterial.NormalMapPath += (fileData + offset);
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newMaterial.NormalMapPath += ".png";
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offset += nameLengths[1];
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}
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if (nameLengths[2] > 0) {
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if (offset + nameLengths[2] > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Material SpecularMap path failed");
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}
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newMaterial.SpecularMapPath = "Textures/";
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newMaterial.SpecularMapPath += (fileData + offset);
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newMaterial.SpecularMapPath += ".png";
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offset += nameLengths[2];
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}
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if (nameLengths[3] > 0) {
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if (offset + nameLengths[3] > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Material IncandescenceMap path failed");
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}
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newMaterial.IncandescenceMapPath = "Textures/";
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newMaterial.IncandescenceMapPath += (fileData + offset);
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newMaterial.IncandescenceMapPath += ".png";
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offset += nameLengths[3];
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}
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#else
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#endif
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MaterialGroups.push_back(newMaterial);
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}
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void RawModelCustom::ReadAnimationFile(std::string filePath)
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{
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char* fileData;
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filePath += ".anim";
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std::ifstream in(filePath.c_str(), std::ios_base::binary | std::ios_base::ate);
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if (!in.is_open()) {
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//throw Resource::FailedLoadingException("Open animation file failed");
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return;
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}
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unsigned int fileByteSize = in.tellg();
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in.seekg(0, std::ios_base::beg);
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fileData = new char[fileByteSize];
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in.read(fileData, fileByteSize);
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in.close();
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unsigned int offset = 0;
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if (fileByteSize > 0) {
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m_Skeleton = new Skeleton();
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#ifdef BOOST_LITTLE_ENDIAN
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unsigned int numBindPoses = *(unsigned int*)(fileData);
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offset += sizeof(unsigned int);
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unsigned int numAnimations = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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#else
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#endif
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ReadAnimationBindPoses(offset, fileData, fileByteSize);
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ReadAnimationClips(offset, fileData, fileByteSize, numAnimations);
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}
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delete fileData;
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}
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void RawModelCustom::ReadAnimationBindPoses(unsigned int &offset, char* fileData, unsigned int& fileByteSize)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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unsigned int* numBones = (unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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for (unsigned int i = 0; i < *numBones; i++) {
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ReadAnimationJoint(offset, fileData, fileByteSize);
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}
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#else
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#endif
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}
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void RawModelCustom::ReadAnimationJoint(unsigned int &offset, char* fileData, unsigned int& fileByteSize)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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if (offset + sizeof(unsigned int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Joint name length failed");
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}
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unsigned int jointNameLength = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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if (offset + jointNameLength > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Joint name failed");
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}
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std::string jointName = (fileData + offset);
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offset += jointNameLength;
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if (offset + sizeof(float) * 4 * 4 > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Joint offset matrix failed");
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}
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glm::mat4 offsetMatrix;
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memcpy(&offsetMatrix, fileData + offset, sizeof(float) * 4 * 4);
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offset += sizeof(float) * 4 * 4;
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if (offset + sizeof(int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Joint ID failed");
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}
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int jointID = *(int*)(fileData + offset);
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offset += sizeof(int);
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if (offset + sizeof(int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading Joint Parent ID failed");
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}
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int jointParentID = *(int*)(fileData + offset);
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offset += sizeof(int);
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// Adding joint to the Skeleton
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m_Skeleton->CreateBone(jointID, jointParentID, jointName, offsetMatrix);
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#else
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#endif
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}
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void RawModelCustom::ReadAnimationClips(unsigned int &offset, char* fileData, unsigned int& fileByteSize, unsigned int numberOfClips)
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{
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for (unsigned int i = 0; i < numberOfClips; i++) {
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ReadAnimationClipSingle(offset, fileData, fileByteSize, i);
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}
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}
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void RawModelCustom::ReadAnimationClipSingle(unsigned int &offset, char* fileData, unsigned int& fileByteSize, unsigned int clipIndex)
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{
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#ifdef BOOST_LITTLE_ENDIAN
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Skeleton::Animation newAnimation;
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if (offset + sizeof(unsigned int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationClip name length failed");
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}
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unsigned int clipNameLength = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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if (offset + clipNameLength > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationClip name failed");
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}
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newAnimation.Name = (fileData + offset);
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offset += clipNameLength;
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if (offset + sizeof(float) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationClip duration failed");
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}
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newAnimation.Duration = *(float*)(fileData + offset);
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offset += sizeof(float);
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if (offset + sizeof(unsigned int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationClip numberOfJointFrames failed");
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}
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unsigned int numberOfJointFrames = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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for (unsigned int i = 0; i < numberOfJointFrames; i++) {
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if (offset + sizeof(unsigned int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationClip JointID failed");
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}
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int jointID = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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if (offset + sizeof(unsigned int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationClip numberOFKeyFrames failed");
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}
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unsigned int numberOFKeyFrames = *(unsigned int*)(fileData + offset);
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offset += sizeof(unsigned int);
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if (numberOFKeyFrames > 0) {
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newAnimation.JointAnimations[jointID].reserve(numberOFKeyFrames);
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for (unsigned int j = 0; j < numberOFKeyFrames; j++) {
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ReadAnimationKeyFrame(offset, fileData, fileByteSize, newAnimation.JointAnimations[jointID]);
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}
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}
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}
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m_Skeleton->Animations[newAnimation.Name] = newAnimation;
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#else
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#endif
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}
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void RawModelCustom::ReadAnimationKeyFrame(unsigned int &offset, char* fileData, unsigned int& fileByteSize, std::vector<Skeleton::Animation::Keyframe>& animation)
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{
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Skeleton::Animation::Keyframe newKeyFrame;
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if (offset + sizeof(int) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationKeyFrame index failed");
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}
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newKeyFrame.Index = *(int*)(fileData + offset);
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offset += sizeof(int);
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if (offset + sizeof(float) > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationKeyFrame time failed");
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}
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newKeyFrame.Time = *(float*)(fileData + offset);
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offset += sizeof(float);
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if (offset + sizeof(float) * 3 > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationKeyFrame Position failed");
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}
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memcpy(&newKeyFrame.BoneProperties.Position[0], fileData + offset, sizeof(float) * 3);
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offset += sizeof(float) * 3;
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if (offset + sizeof(float) * 4 > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationKeyFrame Rotation failed");
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}
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memcpy(&newKeyFrame.BoneProperties.Rotation[0], fileData + offset, sizeof(float) * 4);
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offset += sizeof(float) * 4;
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if (offset + sizeof(float) * 3 > fileByteSize) {
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throw Resource::FailedLoadingException("Reading AnimationKeyFrame Scale failed");
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}
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memcpy(&newKeyFrame.BoneProperties.Scale[0], fileData + offset, sizeof(float) * 3);
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offset += sizeof(float) * 3;
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animation.push_back(newKeyFrame);
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}
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RawModelCustom::~RawModelCustom()
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{
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if (m_Skeleton != nullptr) {
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delete m_Skeleton;
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}
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}
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#endif |