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Additional CFBStreamedCompression imps

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This commit is contained in:
Jack Andersen
2016-08-27 18:45:45 -10:00
parent 8dacdd18b8
commit 6d35a656fd
4 changed files with 301 additions and 46 deletions
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44
Runtime/Character/CFBStreamedCompression.cpp
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@@ -15,6 +15,50 @@ CFBStreamedCompression::CFBStreamedCompression(CInputStream& in, IObjectStore& o
x8_evntToken = objStore.GetObj(SObjectTag{FOURCC('EVNT'), x4_evnt});
}
const u8* CFBStreamedCompression::GetPerChannelHeaders() const
{
const u32* bitmap = reinterpret_cast<const u32*>(xc_rotsAndOffs.get() + 9);
u32 bitmapWordCount = (bitmap[0] + 31) / 32;
return reinterpret_cast<const u8*>(bitmap + bitmapWordCount + 1);
}
const u8* CFBStreamedCompression::GetBitstreamPointer() const
{
const u32* bitmap = reinterpret_cast<const u32*>(xc_rotsAndOffs.get() + 9);
u32 bitmapWordCount = (bitmap[0] + 31) / 32;
const u8* chans = reinterpret_cast<const u8*>(bitmap + bitmapWordCount + 1);
u32 boneChanCount = *reinterpret_cast<const u32*>(chans);
chans += 4;
if (m_pc)
{
for (int b=0 ; b<boneChanCount ; ++b)
{
chans += 20;
u32 tCount = *reinterpret_cast<const u32*>(chans);
chans += 4;
if (tCount)
chans += 12;
}
}
else
{
for (int b=0 ; b<boneChanCount ; ++b)
{
chans += 15;
u16 tCount = *reinterpret_cast<const u16*>(chans);
chans += 2;
if (tCount)
chans += 9;
}
}
return chans;
}
std::unique_ptr<u32[]> CFBStreamedCompression::GetRotationsAndOffsets(u32 words, CInputStream& in)
{
std::unique_ptr<u32[]> ret(new u32[words]);