Files
axyz/src/Engine/Rendering/RawModelCustom.cpp
T

373 lines
12 KiB
C++

#include "Rendering/RawModelCustom.h"
#ifndef USING_ASSIMP_AS_IMPORTER
RawModelCustom::RawModelCustom(std::string fileName)
{
fileName = fileName.erase(fileName.find_last_of("."), fileName.find_last_of(".") - fileName.size());
ReadMeshFile(fileName);
ReadMaterialFile(fileName);
ReadAnimationFile(fileName);
int k = 0;
}
void RawModelCustom::ReadMeshFile(std::string filePath)
{
char* fileData;
filePath += ".mesh";
std::ifstream in(filePath.c_str(), std::ios_base::binary | std::ios_base::ate);
if (!in.is_open()) {
throw Resource::FailedLoadingException("Open mesh file failed");
}
unsigned int fileByteSize = in.tellg();
in.seekg(0, std::ios_base::beg);
fileData = new char[fileByteSize];
in.read(fileData, fileByteSize);
in.close();
unsigned int offset = 0;
if (fileByteSize > 0) {
ReadMeshFileHeader(offset, fileData, fileByteSize);
ReadMesh(offset, fileData, fileByteSize);
}
delete fileData;
}
void RawModelCustom::ReadMeshFileHeader(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
{
#ifdef BOOST_LITTLE_ENDIAN
m_Vertices.resize(*(unsigned int*)(fileData + offset));
offset += sizeof(unsigned int);
m_Indices.resize(*(unsigned int*)(fileData + offset));
offset += sizeof(unsigned int);
#else
#endif
}
void RawModelCustom::ReadMesh(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
{
ReadVertices(offset, fileData, fileByteSize);
ReadIndices(offset, fileData, fileByteSize);
}
void RawModelCustom::ReadVertices(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
{
#ifdef BOOST_LITTLE_ENDIAN
if (offset + m_Vertices.size() * sizeof(Vertex) > fileByteSize) {
throw Resource::FailedLoadingException("Reading vertices failed");
}
memcpy(&m_Vertices[0], fileData + offset, m_Vertices.size() * sizeof(Vertex));
offset += m_Vertices.size() * sizeof(Vertex);
#else
#endif
}
void RawModelCustom::ReadIndices(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
{
#ifdef BOOST_LITTLE_ENDIAN
if (offset + m_Indices.size() * sizeof(unsigned int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading indices failed");
}
memcpy(&m_Indices[0], fileData + offset, m_Indices.size() * sizeof(unsigned int));
offset += m_Indices.size() * sizeof(unsigned int);
#else
#endif
}
void RawModelCustom::ReadMaterialFile(std::string filePath)
{
char* fileData;
filePath += ".mtrl";
std::ifstream in(filePath.c_str(), std::ios_base::binary | std::ios_base::ate);
if (!in.is_open()) {
throw Resource::FailedLoadingException("Open material file failed");
}
unsigned int fileByteSize = in.tellg();
in.seekg(0, std::ios_base::beg);
fileData = new char[fileByteSize];
in.read(fileData, fileByteSize);
in.close();
unsigned int offset = 0;
if (fileByteSize > 0) {
ReadMaterials(offset, fileData, fileByteSize);
}
delete fileData;
}
void RawModelCustom::ReadMaterials(unsigned int& offset, char* fileData, unsigned int& fileByteSize)
{
#ifdef BOOST_LITTLE_ENDIAN
unsigned int* numMaterials = (unsigned int*)(fileData);
MaterialGroups.reserve(*numMaterials);
offset += sizeof(unsigned int);
for (int i = 0; i < *numMaterials; i++) {
ReadMaterialSingle(offset, fileData, fileByteSize);
}
#else
#endif
}
void RawModelCustom::ReadMaterialSingle(unsigned int &offset, char* fileData, unsigned int& fileByteSize)
{
MaterialGroup newMaterial;
#ifdef BOOST_LITTLE_ENDIAN
if (offset + sizeof(unsigned int) * 4 > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material texture names length failed");
}
unsigned int* nameLengths = (unsigned int*)(fileData + offset);
offset += sizeof(unsigned int) * 4;
if (offset + sizeof(float) * 2 > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material specular and reflection values failed");
}
newMaterial.SpecularExponent = *(float*)(fileData + offset);
offset += sizeof(float);
newMaterial.ReflectionFactor = *(float*)(fileData + offset);
offset += sizeof(float);
if (offset + sizeof(unsigned int) * 2 > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material start and end index values failed");
}
newMaterial.StartIndex = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
newMaterial.EndIndex = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
if (nameLengths[0] > 0) {
if (offset + nameLengths[0] > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material texture path failed");
}
newMaterial.TexturePath = "Textures/";
newMaterial.TexturePath += (fileData + offset);
newMaterial.TexturePath += ".png";
offset += nameLengths[0];
}
if (nameLengths[1] > 0) {
if (offset + nameLengths[1] > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material NormalMap path failed");
}
newMaterial.NormalMapPath = (fileData + offset);
offset += nameLengths[1];
}
if (nameLengths[2] > 0) {
if (offset + nameLengths[2] > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material SpecularMap path failed");
}
newMaterial.SpecularMapPath = (fileData + offset);
offset += nameLengths[2];
}
if (nameLengths[3] > 0) {
if (offset + nameLengths[3] > fileByteSize) {
throw Resource::FailedLoadingException("Reading Material IncandescenceMap path failed");
}
newMaterial.IncandescenceMapPath = (fileData + offset);
offset += nameLengths[3];
}
#else
#endif
MaterialGroups.push_back(newMaterial);
}
void RawModelCustom::ReadAnimationFile(std::string filePath)
{
char* fileData;
filePath += ".anim";
std::ifstream in(filePath.c_str(), std::ios_base::binary | std::ios_base::ate);
if (!in.is_open()) {
//throw Resource::FailedLoadingException("Open animation file failed");
return; // AJABAJA!!!!!!!!
}
unsigned int fileByteSize = in.tellg();
in.seekg(0, std::ios_base::beg);
fileData = new char[fileByteSize];
in.read(fileData, fileByteSize);
in.close();
unsigned int offset = 0;
if (fileByteSize > 0) {
m_Skeleton = new Skeleton();
#ifdef BOOST_LITTLE_ENDIAN
unsigned int numBindPoses = *(unsigned int*)(fileData);
offset += sizeof(unsigned int);
unsigned int numAnimations = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
#else
#endif
ReadAnimationBindPoses(offset, fileData, fileByteSize);
ReadAnimationClips(offset, fileData, fileByteSize, numAnimations);
}
delete fileData;
}
void RawModelCustom::ReadAnimationBindPoses(unsigned int &offset, char* fileData, unsigned int& fileByteSize)
{
#ifdef BOOST_LITTLE_ENDIAN
unsigned int* numBones = (unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
for (unsigned int i = 0; i < *numBones; i++) {
ReadAnimationJoint(offset, fileData, fileByteSize);
}
#else
#endif
}
void RawModelCustom::ReadAnimationJoint(unsigned int &offset, char* fileData, unsigned int& fileByteSize)
{
#ifdef BOOST_LITTLE_ENDIAN
if (offset + sizeof(unsigned int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading Joint name length failed");
}
unsigned int jointNameLength = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
if (offset + jointNameLength > fileByteSize) {
throw Resource::FailedLoadingException("Reading Joint name failed");
}
std::string jointName = (fileData + offset);
offset += jointNameLength;
if (offset + sizeof(float) * 4 * 4 > fileByteSize) {
throw Resource::FailedLoadingException("Reading Joint offset matrix failed");
}
glm::mat4 offsetMatrix;
memcpy(&offsetMatrix, fileData + offset, sizeof(float) * 4 * 4);
offset += sizeof(float) * 4 * 4;
if (offset + sizeof(int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading Joint ID failed");
}
int jointID = *(int*)(fileData + offset);
offset += sizeof(int);
if (offset + sizeof(int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading Joint Parent ID failed");
}
int jointParentID = *(int*)(fileData + offset);
offset += sizeof(int);
// Adding joint to the Skeleton
m_Skeleton->CreateBone(jointID, jointParentID, jointName, offsetMatrix);
#else
#endif
}
void RawModelCustom::ReadAnimationClips(unsigned int &offset, char* fileData, unsigned int& fileByteSize, unsigned int numberOfClips)
{
for (unsigned int i = 0; i < numberOfClips; i++) {
ReadAnimationClipSingle(offset, fileData, fileByteSize, i);
}
}
void RawModelCustom::ReadAnimationClipSingle(unsigned int &offset, char* fileData, unsigned int& fileByteSize, unsigned int clipIndex)
{
#ifdef BOOST_LITTLE_ENDIAN
Skeleton::Animation newAnimation;
if (offset + sizeof(unsigned int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationClip name length failed");
}
unsigned int clipNameLength = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
if (offset + clipNameLength > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationClip name failed");
}
newAnimation.Name = (fileData + offset);
offset += clipNameLength;
if (offset + sizeof(float) > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationClip duration failed");
}
newAnimation.Duration = *(float*)(fileData + offset);
offset += sizeof(float);
if (offset + sizeof(unsigned int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationClip NrOfKeyframes failed");
}
unsigned int nrOfKeyframes = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
if (offset + sizeof(unsigned int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationClip NrOfJoints failed");
}
unsigned int nrOfJoints = *(unsigned int*)(fileData + offset);
offset += sizeof(unsigned int);
newAnimation.Keyframes.reserve(nrOfKeyframes);
for (unsigned int i = 0; i < nrOfKeyframes; i++) {
ReadAnimationKeyFrame(offset, fileData, fileByteSize, nrOfJoints, newAnimation);
}
m_Skeleton->Animations[newAnimation.Name] = newAnimation;
#else
#endif
}
void RawModelCustom::ReadAnimationKeyFrame(unsigned int &offset, char* fileData, unsigned int& fileByteSize, unsigned int nrOfJoints, Skeleton::Animation& animation)
{
Skeleton::Animation::Keyframe newKeyFrame;
if (offset + sizeof(int) > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationKeyFrame index failed");
}
newKeyFrame.Index = *(int*)(fileData + offset);
offset += sizeof(int);
if (offset + sizeof(float) > fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationKeyFrame time failed");
}
newKeyFrame.Time = *(float*)(fileData + offset);
offset += sizeof(float);
if (offset + sizeof(Skeleton::Animation::Keyframe::BoneProperty) * nrOfJoints> fileByteSize) {
throw Resource::FailedLoadingException("Reading AnimationKeyFrame joints failed");
}
Skeleton::Animation::Keyframe::BoneProperty newBone;
for (unsigned int i = 0; i < nrOfJoints; i++) {
memcpy(&newBone, (fileData + offset), sizeof(Skeleton::Animation::Keyframe::BoneProperty));
offset += sizeof(Skeleton::Animation::Keyframe::BoneProperty);
newKeyFrame.BoneProperties[newBone.ID] = newBone;
}
animation.Keyframes.push_back(newKeyFrame);
}
RawModelCustom::~RawModelCustom()
{
if (m_Skeleton != nullptr) {
delete m_Skeleton;
}
}
#endif