421 lines
11 KiB
C++
421 lines
11 KiB
C++
#include "GeneralLoader.h"
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#include "../Definitions/GraphicalDefinition.h"
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#include "../Model/ModelInfo.h"
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#include "../Core/Core.h"
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#include <fstream>
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#include <string>
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#define DANFILEVERSIONMAJOR 1
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#define DANFILEVERSIONMINOR 1
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#define FILEHEADERSIZE 8
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#define VERTEXHEADERSIZE 4
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#define VERTEXSIZE 88
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///
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enum HeaderType
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{
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VERTEXHEADER = 0, ///<
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INDEXHEADER = 1, ///<
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MATERIALHEADER = 2, ///<
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SKELETONHEADER = 3, ///<
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ANIMATIONHEADER = 4 ///<
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};
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///
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struct FileHeader
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{
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unsigned int versionMajor; ///<
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unsigned int versionMinor; ///<
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///
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FileHeader(char* data)
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{
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char* memPos = data; //
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memcpy(&versionMajor, memPos, sizeof(unsigned int));
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memPos += 4;
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memcpy(&versionMinor, memPos, sizeof(unsigned int));
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}
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};
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///
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struct VertexHeader
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{
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unsigned int numVertices;
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///
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VertexHeader(char* data)
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{
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memcpy(&numVertices, data, sizeof(unsigned int));
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}
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};
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///
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typedef Oyster::Graphics::Definitions::FinalVertex Vertex;
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///
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struct IndexHeader
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{
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unsigned int numIndices;
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///
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IndexHeader(char* data)
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{
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memcpy(&numIndices, data, sizeof(unsigned int));
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}
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};
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///
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struct MaterialHeader
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{
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unsigned int diffuseMapPathLength;
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char* diffuseMapPath;
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unsigned int normalMapPathLength;
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char* normalMapPath;
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/*
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///
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MaterialHeader(char* data)
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{
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char* memPos = data; //
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memcpy(&diffuseMapPathLength, memPos, sizeof(unsigned int));
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memPos += 4;
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diffuseMapPath = new char[diffuseMapPathLength];
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memcpy(diffuseMapPath, memPos, diffuseMapPathLength);
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memPos += diffuseMapPathLength;
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memcpy(&normalMapPathLength, memPos, sizeof(unsigned int));
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memPos += 4;
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normalMapPath = new char[normalMapPathLength];
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memcpy(normalMapPath, memPos, normalMapPathLength);
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memPos += normalMapPathLength;
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}
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*/
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};
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///
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struct SkeletonHeader
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{
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unsigned int numBones;
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///
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SkeletonHeader(char* data)
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{
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memcpy(&numBones, data, sizeof(unsigned int));
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}
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};
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///
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struct AnimationHeader
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{
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unsigned int numAnims;
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AnimationHeader(char* data)
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{
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memcpy(&numAnims, data, sizeof(unsigned int));
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}
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};
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///
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void Oyster::Graphics::Loading::UnloadDAN(void* data)
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{
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Model::ModelInfo* info = (Model::ModelInfo*) data;
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SAFE_DELETE(info->Vertices);
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if(info->Indexed)
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{
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SAFE_DELETE(info->Indecies);
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}
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if(info->Animated)
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{
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//clean animation
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delete[] info->bones;
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for(int a = 0; a < info->AnimationCount; ++a)
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{
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for(int x = 0; x < info->Animations[a].Bones; ++x)
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{
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delete[] info->Animations[a].Keyframes[x];
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}
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delete[] info->Animations[a].Frames;
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delete[] info->Animations[a].Keyframes;
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}
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delete[] info->Animations;
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}
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for(int i =0;i<info->Material.size();++i)
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{
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Core::loader.ReleaseResource(info->Material[i]);
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}
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delete info;
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}
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static wchar_t* charToWChar(const char* text)
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{
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// Convert to a wchar_t*
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size_t origsize = strlen(text) + 1;
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size_t convertedChars = 0;
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wchar_t* wcstring = new wchar_t[origsize];
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mbstowcs_s(&convertedChars, wcstring, origsize, text, _TRUNCATE);
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return wcstring;
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}
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static void ReadData(void* Destination, std::ifstream& file, int size)
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{
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char* buffer = new char[size];
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file.read(buffer,size);
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memcpy(Destination,buffer,size);
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delete[] buffer;
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}
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///
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void* Oyster::Graphics::Loading::LoadDAN(const wchar_t filename[])
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{
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//
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Oyster::Graphics::Model::ModelInfo* modelInfo = new Oyster::Graphics::Model::ModelInfo();
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modelInfo->Indexed = false;
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modelInfo->Animated = false;
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// Open file in binary mode
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std::ifstream danFile;
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danFile.open(filename, std::ios::binary);
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if (!danFile.is_open())
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return NULL;
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// Read file header
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char* buffer = new char[sizeof(FileHeader)];
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danFile.read(buffer, sizeof(FileHeader));
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FileHeader fileHeader(buffer);
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delete[] buffer; // ( note: may crash here.)
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// If problem with compatability then close file and return from method
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if (fileHeader.versionMajor != DANFILEVERSIONMAJOR)
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{
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danFile.close();
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return NULL;
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}
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// Read the .dan-file
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while (!danFile.eof())
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{
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// read header type
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unsigned int headerType;
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ReadData(&headerType,danFile,4);
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// handle header type
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switch ((HeaderType)headerType)
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{
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// vertex header
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case HeaderType::VERTEXHEADER:
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{
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// Fetch vertex header, number of vertices
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buffer = new char[4];
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danFile.read(buffer, 4);
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VertexHeader vertexHeader(buffer);
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delete[] buffer; // ( note: may crash here.)
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// Fetch all vertices
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unsigned int bufferSize = VERTEXSIZE * vertexHeader.numVertices;
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buffer = new char[bufferSize];
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danFile.read(buffer, bufferSize);
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// Do the deed
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Oyster::Graphics::Core::Buffer* vertexBuffer = new Oyster::Graphics::Core::Buffer();
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Oyster::Graphics::Core::Buffer::BUFFER_INIT_DESC bufferInitDesc;
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bufferInitDesc.ElementSize = sizeof(Vertex);
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bufferInitDesc.InitData = buffer;
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bufferInitDesc.NumElements = vertexHeader.numVertices;
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bufferInitDesc.Type = Oyster::Graphics::Core::Buffer::BUFFER_TYPE::VERTEX_BUFFER;
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bufferInitDesc.Usage = Oyster::Graphics::Core::Buffer::BUFFER_USAGE::BUFFER_DEFAULT;
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vertexBuffer->Init(bufferInitDesc);
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modelInfo->VertexCount = vertexHeader.numVertices;
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modelInfo->Vertices = vertexBuffer;
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delete[] buffer; // ( note: may crash here.)
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break;
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}
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case HeaderType::INDEXHEADER:
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{
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// Fetch vertex header, number of vertices
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buffer = new char[4];
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danFile.read(buffer, 4);
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IndexHeader indexHeader(buffer);
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delete[] buffer; // ( note: may crash here.)
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// Fetch all indices
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unsigned int* indices = new unsigned int[indexHeader.numIndices];
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unsigned int bufferSize = sizeof(unsigned int) * indexHeader.numIndices;
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ReadData(indices,danFile,bufferSize);
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// Do the deed
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Oyster::Graphics::Core::Buffer* indexBuffer = new Oyster::Graphics::Core::Buffer();
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Oyster::Graphics::Core::Buffer::BUFFER_INIT_DESC bufferInitDesc;
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bufferInitDesc.ElementSize = sizeof(unsigned int);
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bufferInitDesc.InitData = indices;
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bufferInitDesc.NumElements = indexHeader.numIndices;
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bufferInitDesc.Type = Oyster::Graphics::Core::Buffer::BUFFER_TYPE::INDEX_BUFFER;
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bufferInitDesc.Usage = Oyster::Graphics::Core::Buffer::BUFFER_USAGE::BUFFER_DEFAULT;
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indexBuffer->Init(bufferInitDesc);
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modelInfo->IndexCount = indexHeader.numIndices;
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modelInfo->Indecies = indexBuffer;
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modelInfo->Indexed = true;
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delete[] indices; // ( note: may crash here.)
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break;
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}
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// material header
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case HeaderType::MATERIALHEADER:
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{
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// Fetch material header, 2 texture path strings
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MaterialHeader materialHeader;
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//read difuse map name length
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ReadData(&materialHeader.diffuseMapPathLength,danFile,4);
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//read diffuse map name
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materialHeader.diffuseMapPath = new char[materialHeader.diffuseMapPathLength+1];
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ReadData(materialHeader.diffuseMapPath,danFile,materialHeader.diffuseMapPathLength);
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//null terminate
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materialHeader.diffuseMapPath[materialHeader.diffuseMapPathLength] = 0;
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//read normal map name length
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ReadData(&materialHeader.normalMapPathLength,danFile,4);
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//read difuse map name
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materialHeader.normalMapPath = new char[materialHeader.normalMapPathLength + 1];
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ReadData(materialHeader.normalMapPath,danFile,materialHeader.normalMapPathLength);
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materialHeader.normalMapPath[materialHeader.normalMapPathLength] = 0;
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//load diffuse map
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wchar_t* path = charToWChar(materialHeader.diffuseMapPath);
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ID3D11ShaderResourceView* diffuseMap = (ID3D11ShaderResourceView*)Core::loader.LoadResource((Core::texturePath + path).c_str(), Oyster::Graphics::Loading::LoadTexture, Oyster::Graphics::Loading::UnloadTexture);
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delete[] path;
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//load normal map
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path = charToWChar(materialHeader.normalMapPath);
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ID3D11ShaderResourceView* normalMap = (ID3D11ShaderResourceView*)Core::loader.LoadResource((Core::texturePath + path).c_str(), Oyster::Graphics::Loading::LoadTexture, Oyster::Graphics::Loading::UnloadTexture);
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delete[] path;
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//add to model
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modelInfo->Material.push_back(diffuseMap);
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modelInfo->Material.push_back(normalMap);
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//clean up
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delete[] materialHeader.diffuseMapPath;
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delete[] materialHeader.normalMapPath;
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break;
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}
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// skeleton header
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case HeaderType::SKELETONHEADER:
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{
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// Fetch Skeleton header, number of Bones
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buffer = new char[4];
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danFile.read(buffer, 4);
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SkeletonHeader skeletonHeader(buffer);
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delete[] buffer; // ( note: may crash here.)
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//array for bone data
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Oyster::Graphics::Model::Bone* bones = new Oyster::Graphics::Model::Bone[skeletonHeader.numBones];
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//read bones
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ReadData(bones,danFile,skeletonHeader.numBones * sizeof(Oyster::Graphics::Model::Bone));
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//read skeleton Hiarchy
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modelInfo->BoneCount = skeletonHeader.numBones;
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modelInfo->bones = bones;
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break;
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}
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// animation header
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case HeaderType::ANIMATIONHEADER:
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{
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//get num anims
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buffer = new char[4];
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danFile.read(buffer, 4);
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AnimationHeader animationHeader(buffer);
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delete[] buffer;
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Oyster::Graphics::Model::Animation* anims = new Oyster::Graphics::Model::Animation[animationHeader.numAnims];
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for(int a = 0; a < animationHeader.numAnims; ++a)
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{
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//read name of animation
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int nameLength;
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ReadData(&nameLength,danFile,4);
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char* name = new char[nameLength + 1];
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ReadData(name,danFile,nameLength);
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name[nameLength] = 0;
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wchar_t* wName = charToWChar(name);
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anims[a].name = std::wstring(wName);
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delete[] wName;
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delete name;
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//read nr of bones in animation
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ReadData(&anims[a].Bones,danFile,4);
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//read duration
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ReadData(&anims[a].duration,danFile,8);
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//create Frame array and Bone part of KeyFrameArray;
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anims[a].Frames = new int[anims[a].Bones];
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anims[a].Keyframes = new Oyster::Graphics::Model::Frame*[anims[a].Bones];
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//loop per bone and gather data
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for(int b = 0; b < anims[a].Bones; ++b)
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{
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//read bone index
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int boneIndex;
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ReadData(&boneIndex,danFile,4);
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//read nr of frames per bone
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ReadData(&anims[a].Frames[b],danFile,4);
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//create frame matrix
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anims[a].Keyframes[b] = new Oyster::Graphics::Model::Frame[anims[a].Frames[b]];
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for(int f = 0; f < anims[a].Frames[b]; ++f)
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{
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//write index of bone
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anims[a].Keyframes[b][f].bone.Parent = boneIndex;
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//read bone transform
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ReadData(&anims[a].Keyframes[b][f].bone.Transform,danFile,sizeof(Oyster::Math::Matrix));
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ReadData(&anims[a].Keyframes[b][f].time,danFile,sizeof(double));
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}
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}
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}
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modelInfo->AnimationCount = animationHeader.numAnims;
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modelInfo->Animations = anims;
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modelInfo->Animated = true;
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break;
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}
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}
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}
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// close file
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danFile.close();
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// Set modelinfo as output data
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return modelInfo;
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} |