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implement MxDSBuffer object creation (#340)

Browse Source 
* push changes

* Update mxstreamcontroller.cpp

* fix build

* MxStreamChunk

* fix format

* Match functions

* Add a comment

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Misha
2023-12-17 12:24:39 -05:00
committed by GitHub
parent d72c767685
commit 20daddde32
27 changed files with 297 additions and 51 deletions
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55
LEGO1/mxstreamchunk.cpp Normal file
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@@ -0,0 +1,55 @@
#include "mxstreamchunk.h"
#include "legoutil.h"
#include "mxdsbuffer.h"
// FUNCTION: LEGO1 0x100c2fe0
MxStreamChunk::~MxStreamChunk()
{
if (m_buffer) {
m_buffer->ReleaseRef(this);
}
}
// FUNCTION: LEGO1 0x100c3050
MxResult MxStreamChunk::ReadChunk(MxDSBuffer* p_buffer, MxU8* p_chunkData)
{
MxResult result = FAILURE;
if (p_chunkData != NULL && *(MxU32*) p_chunkData == FOURCC('M', 'x', 'C', 'h')) {
if (ReadChunkHeader(p_chunkData + 8)) {
if (p_buffer) {
SetBuffer(p_buffer);
p_buffer->AddRef(this);
}
result = SUCCESS;
}
}
return result;
}
// FUNCTION: LEGO1 0x100c30a0
MxU32 MxStreamChunk::ReadChunkHeader(MxU8* p_chunkData)
{
MxU32 headersize = 0;
if (p_chunkData) {
MxU8* chunkData = p_chunkData;
// Note: the alpha debug version uses memcpy calls here,
// but the code generation is the same.
GetScalar(&p_chunkData, m_flags);
GetScalar(&p_chunkData, m_objectId);
GetScalar(&p_chunkData, m_time);
GetScalar(&p_chunkData, m_length);
m_data = p_chunkData;
headersize = p_chunkData - chunkData;
}
return headersize;
}
// FUNCTION: LEGO1 0x100c3170
void MxStreamChunk::SetBuffer(MxDSBuffer* p_buffer)
{
m_buffer = p_buffer;
}