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