isle-portable/LEGO1/mxramstreamprovider.cpp
2023-12-29 18:33:30 -05:00

98 lines
2.1 KiB
C++

#include "mxramstreamprovider.h"
#include "decomp.h"
#include "mxomni.h"
#include "mxstreamcontroller.h"
DECOMP_SIZE_ASSERT(MxRAMStreamProvider, 0x24);
// FUNCTION: LEGO1 0x100d0730
MxRAMStreamProvider::MxRAMStreamProvider()
{
m_bufferSize = 0;
m_fileSize = 0;
m_pBufferOfFileSize = NULL;
m_lengthInDWords = 0;
m_bufferForDWords = NULL;
}
// FUNCTION: LEGO1 0x100d0930
MxU32 MxRAMStreamProvider::GetFileSize()
{
return m_fileSize;
}
// FUNCTION: LEGO1 0x100d0940
MxS32 MxRAMStreamProvider::GetStreamBuffersNum()
{
return 1;
}
// FUNCTION: LEGO1 0x100d0950
MxU32 MxRAMStreamProvider::GetLengthInDWords()
{
return m_lengthInDWords;
}
// FUNCTION: LEGO1 0x100d0960
MxU32* MxRAMStreamProvider::GetBufferForDWords()
{
return m_bufferForDWords;
}
// FUNCTION: LEGO1 0x100d0a50
MxRAMStreamProvider::~MxRAMStreamProvider()
{
m_bufferSize = 0;
m_fileSize = 0;
free(m_pBufferOfFileSize);
m_pBufferOfFileSize = NULL;
m_lengthInDWords = 0;
free(m_bufferForDWords);
m_bufferForDWords = NULL;
}
// FUNCTION: LEGO1 0x100d0ae0
MxResult MxRAMStreamProvider::SetResourceToGet(MxStreamController* p_resource)
{
MxResult result = FAILURE;
MxString path;
m_pLookup = p_resource;
path = (MxString(MxOmni::GetHD()) + p_resource->GetAtom().GetInternal() + ".si");
m_pFile = new MxDSFile(path.GetData(), 0);
if (m_pFile != NULL) {
if (m_pFile->Open(0) != 0) {
path = MxString(MxOmni::GetCD()) + p_resource->GetAtom().GetInternal() + ".si";
m_pFile->SetFileName(path.GetData());
if (m_pFile->Open(0) != 0)
goto done;
}
m_fileSize = m_pFile->CalcFileSize();
if (m_fileSize != 0) {
m_bufferSize = m_pFile->GetBufferSize();
m_pBufferOfFileSize = (MxU32*) new MxU8[m_fileSize];
if (m_pBufferOfFileSize != NULL &&
m_pFile->Read((unsigned char*) m_pBufferOfFileSize, m_fileSize) == SUCCESS) {
m_lengthInDWords = m_pFile->GetLengthInDWords();
m_bufferForDWords = new MxU32[m_lengthInDWords];
if (m_bufferForDWords != NULL) {
memcpy(m_bufferForDWords, m_pFile->GetBuffer(), m_lengthInDWords * sizeof(MxU32));
result = SUCCESS;
}
}
}
}
done:
delete m_pFile;
m_pFile = NULL;
return result;
}