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https://github.com/isledecomp/isle-portable.git
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bc5ca621a4
* Add ncc tool * Add symlink * Fixes * Try this * Try this * Try this * Try this * Add include path * Update style * Update style * Add more rules * Fix style * Update styles * Fix name parameter * Fix MxParam p * Fix m_unk0x pattern * Allow 4 digits for relative hex * Add missing offset * Fix some parameters * Fix some vtables * Fix more vtables * Update rules, fixes * More fixes * More fixes * More fixes * More fixes * More fixes * More fixes * More fixes * Fix last issue * Update readme * Update readme * Update CONTRIBUTING.md * Fix annotations * Rename * Update CONTRIBUTING.md * Update README.md
124 lines
2.5 KiB
C++
124 lines
2.5 KiB
C++
#include "mxdsfile.h"
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#include <stdio.h>
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#define SI_MAJOR_VERSION 2
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#define SI_MINOR_VERSION 2
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// FUNCTION: LEGO1 0x100bfed0
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MxDSFile::~MxDSFile()
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{
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Close();
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}
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// FUNCTION: LEGO1 0x100cc4b0
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MxDSFile::MxDSFile(const char* p_filename, MxULong p_skipReadingChunks)
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{
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m_filename = p_filename;
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m_skipReadingChunks = p_skipReadingChunks;
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}
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// FUNCTION: LEGO1 0x100cc590
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MxLong MxDSFile::Open(MxULong p_uStyle)
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{
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MXIOINFO& io = m_io;
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MxLong longResult = 1;
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memset(&io, 0, sizeof(MXIOINFO));
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if (io.Open(m_filename.GetData(), p_uStyle) != 0) {
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return -1;
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}
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io.SetBuffer(NULL, 0, 0);
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m_position = 0;
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if (m_skipReadingChunks == 0) {
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longResult = ReadChunks();
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}
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if (longResult != 0) {
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Close(); // vtable + 0x18
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}
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else {
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Seek(0, 0); // vtable + 0x24
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}
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return longResult;
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}
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// FUNCTION: LEGO1 0x100cc620
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MxLong MxDSFile::ReadChunks()
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{
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_MMCKINFO topChunk;
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_MMCKINFO childChunk;
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char tempBuffer[80];
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topChunk.fccType = FOURCC('O', 'M', 'N', 'I');
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if (m_io.Descend(&topChunk, NULL, MMIO_FINDRIFF) != 0) {
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return -1;
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}
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childChunk.ckid = FOURCC('M', 'x', 'H', 'd');
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if (m_io.Descend(&childChunk, &topChunk, 0) != 0) {
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return -1;
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}
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m_io.Read(&m_header, 0xc);
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if ((m_header.m_majorVersion == SI_MAJOR_VERSION) && (m_header.m_minorVersion == SI_MINOR_VERSION)) {
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childChunk.ckid = FOURCC('M', 'x', 'O', 'f');
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if (m_io.Descend(&childChunk, &topChunk, 0) != 0) {
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return -1;
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}
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MxULong* pLengthInDWords = &m_lengthInDWords;
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m_io.Read(pLengthInDWords, 4);
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m_pBuffer = new MxU32[*pLengthInDWords];
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m_io.Read(m_pBuffer, *pLengthInDWords * 4);
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return 0;
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}
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else {
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sprintf(tempBuffer, "Wrong SI file version. %d.%d expected.", SI_MAJOR_VERSION, SI_MINOR_VERSION);
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MessageBoxA(NULL, tempBuffer, NULL, MB_ICONERROR);
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return -1;
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}
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}
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// FUNCTION: LEGO1 0x100cc740
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MxLong MxDSFile::Close()
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{
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m_io.Close(0);
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m_position = -1;
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memset(&m_header, 0, sizeof(m_header));
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if (m_lengthInDWords != 0) {
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m_lengthInDWords = 0;
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delete[] m_pBuffer;
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m_pBuffer = NULL;
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}
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return 0;
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}
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// FUNCTION: LEGO1 0x100cc780
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MxResult MxDSFile::Read(unsigned char* p_buf, MxULong p_nbytes)
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{
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if (m_io.Read(p_buf, p_nbytes) != p_nbytes)
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return FAILURE;
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m_position += p_nbytes;
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return SUCCESS;
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}
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// FUNCTION: LEGO1 0x100cc7b0
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MxLong MxDSFile::Seek(MxLong p_lOffset, MxS32 p_iOrigin)
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{
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return (m_position = m_io.Seek(p_lOffset, p_iOrigin)) == -1 ? -1 : 0;
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}
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// FUNCTION: LEGO1 0x100cc7e0
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MxULong MxDSFile::GetBufferSize()
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{
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return m_header.m_bufferSize;
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}
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// FUNCTION: LEGO1 0x100cc7f0
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MxULong MxDSFile::GetStreamBuffersNum()
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{
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return m_header.m_streamBuffersNum;
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}
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