101 lines
1.7 KiB
C++
101 lines
1.7 KiB
C++
#include "JtReader.h"
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <assert.h>
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#include <stdint.h>
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#include "TOC_Entry.h"
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#include "GUID.h"
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#include "UChar.h"
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#include "I32.h"
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#include "TOC_Entry.h"
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#include "LodHandler.h"
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#include "Segment_Header.h"
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#include "Element_Header.h"
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using namespace std;
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const GUID JtReader::TriStripSetShapeLODElement_ID(0x10dd10ab, 0x2ac8, 0x11d1, 0x9b, 0x6b, 0x0, 0x80, 0xc7, 0xbb, 0x59, 0x97);
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JtReader::JtReader()
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{
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}
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JtReader::~JtReader()
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{
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}
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void JtReader::setFile(const std::string fileName)
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{
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this->_fileName = fileName;
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}
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const std::vector<TOC_Entry>& JtReader::readToc()
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{
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ifstream strm;
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strm.open(_fileName, ios::binary);
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if (!strm)
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throw "cannot open file";
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Context cont(strm);
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char headerString[80];
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strm.read(headerString, 80);
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UChar Byte_Order(cont);
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I32 Empty_Field(cont);
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I32 TOC_Offset(cont);
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GUID LSG_Segment_ID(cont);
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cont.Strm.seekg((int32_t)TOC_Offset);
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I32 Entry_Count(cont);
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TocEntries.resize(Entry_Count);
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for (std::vector<TOC_Entry>::iterator i = TocEntries.begin(); i != TocEntries.end(); ++i)
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i->read(cont);
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return TocEntries;
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}
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void JtReader::readLodSegment(const TOC_Entry& toc, LodHandler& /*handler*/)
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{
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std::ifstream strm;
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strm.open(_fileName, ios::binary);
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if (!strm) throw "cannot open file";
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strm.seekg((int32_t)toc.Segment_Offset);
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Context cont(strm);
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// check if called with the right Toc
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assert(toc.getSegmentType() == 7);
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// read the segment header
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Segment_Header header(cont);
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// read the non zip Element header
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Element_Header eHeader(cont, false);
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if ( eHeader.Object_Type_ID != TriStripSetShapeLODElement_ID)
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return;
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}
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