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Finish StreamProvider classes (#420)

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* Finish StreamProvider classes

* Fix variable name

* Use FOURCC

* Match FUN_100c7090

* Changes

* Readability

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Nathan M Gilbert
2024-01-10 06:55:25 -05:00
committed by GitHub
parent 872c62fd39
commit 5a2be934be
10 changed files with 253 additions and 34 deletions
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60
LEGO1/omni/src/stream/mxramstreamprovider.cpp
View File

@@ -1,6 +1,7 @@
#include "mxramstreamprovider.h"
#include "decomp.h"
#include "mxdsbuffer.h"
#include "mxomni.h"
#include "mxstreamcontroller.h"
@@ -77,7 +78,7 @@ MxResult MxRAMStreamProvider::SetResourceToGet(MxStreamController* p_resource)
m_fileSize = m_pFile->CalcFileSize();
if (m_fileSize != 0) {
m_bufferSize = m_pFile->GetBufferSize();
m_pBufferOfFileSize = (MxU32*) new MxU8[m_fileSize];
m_pBufferOfFileSize = new MxU8[m_fileSize];
if (m_pBufferOfFileSize != NULL &&
m_pFile->Read((unsigned char*) m_pBufferOfFileSize, m_fileSize) == SUCCESS) {
m_lengthInDWords = m_pFile->GetLengthInDWords();
@@ -96,3 +97,60 @@ done:
m_pFile = NULL;
return result;
}
// FUNCTION: LEGO1 0x100d0d80
MxU32 ReadData(MxU8* p_buffer, MxU32 p_size)
{
MxU32 id;
MxU8* data = p_buffer;
MxU8* end = p_buffer + p_size;
MxU8* data2;
if (p_buffer < end) {
do {
if (*MxDSChunk::IntoType(data) == FOURCC('M', 'x', 'O', 'b')) {
data2 = data;
data += 8;
MxDSObject* obj = DeserializeDSObjectDispatch(&data, -1);
id = obj->GetObjectId();
delete obj;
data = MxDSChunk::End(data2);
while (data < end) {
if (*MxDSChunk::IntoType(data) == FOURCC('M', 'x', 'C', 'h')) {
MxU8* data3 = data;
MxU32* psize = MxDSChunk::IntoLength(data);
data += MxDSChunk::Size(*psize);
if ((*MxDSChunk::IntoType(data2) == FOURCC('M', 'x', 'C', 'h')) &&
(*MxStreamChunk::IntoFlags(data2) & MxDSChunk::Flag_Split)) {
if (*MxStreamChunk::IntoObjectId(data2) == *MxStreamChunk::IntoObjectId(data3) &&
(*MxStreamChunk::IntoFlags(data3) & MxDSChunk::Flag_Split) &&
*MxStreamChunk::IntoTime(data2) == *MxStreamChunk::IntoTime(data3)) {
MxDSBuffer::Append(data2, data3);
continue;
}
else
*MxStreamChunk::IntoFlags(data2) &= ~MxDSChunk::Flag_Split;
}
data2 += MxDSChunk::Size(*MxDSChunk::IntoLength(data2));
memcpy(data2, data3, MxDSChunk::Size(*psize));
if (*MxStreamChunk::IntoObjectId(data2) == id &&
(*MxStreamChunk::IntoFlags(data2) & MxDSChunk::Flag_End))
break;
}
else
data++;
}
}
else
data++;
} while (data < end);
}
*MxStreamChunk::IntoFlags(data2) &= ~MxDSChunk::Flag_Split;
return MxDSChunk::End(data2) - p_buffer;
}