isle/LEGO1/mxdsfile.cpp
Christian Semmler bc5ca621a4
(Proposal) Introduction of naming convention checker (ncc) (#322)
* 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
2023-12-13 11:48:14 +01:00

124 lines
2.5 KiB
C++

#include "mxdsfile.h"
#include <stdio.h>
#define SI_MAJOR_VERSION 2
#define SI_MINOR_VERSION 2
// FUNCTION: LEGO1 0x100bfed0
MxDSFile::~MxDSFile()
{
Close();
}
// FUNCTION: LEGO1 0x100cc4b0
MxDSFile::MxDSFile(const char* p_filename, MxULong p_skipReadingChunks)
{
m_filename = p_filename;
m_skipReadingChunks = p_skipReadingChunks;
}
// FUNCTION: LEGO1 0x100cc590
MxLong MxDSFile::Open(MxULong p_uStyle)
{
MXIOINFO& io = m_io;
MxLong longResult = 1;
memset(&io, 0, sizeof(MXIOINFO));
if (io.Open(m_filename.GetData(), p_uStyle) != 0) {
return -1;
}
io.SetBuffer(NULL, 0, 0);
m_position = 0;
if (m_skipReadingChunks == 0) {
longResult = ReadChunks();
}
if (longResult != 0) {
Close(); // vtable + 0x18
}
else {
Seek(0, 0); // vtable + 0x24
}
return longResult;
}
// FUNCTION: LEGO1 0x100cc620
MxLong MxDSFile::ReadChunks()
{
_MMCKINFO topChunk;
_MMCKINFO childChunk;
char tempBuffer[80];
topChunk.fccType = FOURCC('O', 'M', 'N', 'I');
if (m_io.Descend(&topChunk, NULL, MMIO_FINDRIFF) != 0) {
return -1;
}
childChunk.ckid = FOURCC('M', 'x', 'H', 'd');
if (m_io.Descend(&childChunk, &topChunk, 0) != 0) {
return -1;
}
m_io.Read(&m_header, 0xc);
if ((m_header.m_majorVersion == SI_MAJOR_VERSION) && (m_header.m_minorVersion == SI_MINOR_VERSION)) {
childChunk.ckid = FOURCC('M', 'x', 'O', 'f');
if (m_io.Descend(&childChunk, &topChunk, 0) != 0) {
return -1;
}
MxULong* pLengthInDWords = &m_lengthInDWords;
m_io.Read(pLengthInDWords, 4);
m_pBuffer = new MxU32[*pLengthInDWords];
m_io.Read(m_pBuffer, *pLengthInDWords * 4);
return 0;
}
else {
sprintf(tempBuffer, "Wrong SI file version. %d.%d expected.", SI_MAJOR_VERSION, SI_MINOR_VERSION);
MessageBoxA(NULL, tempBuffer, NULL, MB_ICONERROR);
return -1;
}
}
// FUNCTION: LEGO1 0x100cc740
MxLong MxDSFile::Close()
{
m_io.Close(0);
m_position = -1;
memset(&m_header, 0, sizeof(m_header));
if (m_lengthInDWords != 0) {
m_lengthInDWords = 0;
delete[] m_pBuffer;
m_pBuffer = NULL;
}
return 0;
}
// FUNCTION: LEGO1 0x100cc780
MxResult MxDSFile::Read(unsigned char* p_buf, MxULong p_nbytes)
{
if (m_io.Read(p_buf, p_nbytes) != p_nbytes)
return FAILURE;
m_position += p_nbytes;
return SUCCESS;
}
// FUNCTION: LEGO1 0x100cc7b0
MxLong MxDSFile::Seek(MxLong p_lOffset, MxS32 p_iOrigin)
{
return (m_position = m_io.Seek(p_lOffset, p_iOrigin)) == -1 ? -1 : 0;
}
// FUNCTION: LEGO1 0x100cc7e0
MxULong MxDSFile::GetBufferSize()
{
return m_header.m_bufferSize;
}
// FUNCTION: LEGO1 0x100cc7f0
MxULong MxDSFile::GetStreamBuffersNum()
{
return m_header.m_streamBuffersNum;
}