void MemBufferEntry::mergeDestroy()
{
if (wrmask)
chunkCopy(realAddr, getAddr(), wrmask);
mePool.in(this);
}
void MemBufferEntry::initializeData(MemOpsType::iterator mit)
{
mit--; // skip itself
MemBufferEntry *prevEntry = *mit;
if (prevEntry->getChunkIndex() == getChunkIndex()) {
// Copy from previous version
I(prevEntry!=this);
I(*(prevEntry->getVersionRef()) < *ver);
initializeData(prevEntry);
}else{
// Copy from memory
chunkCopy(getAddr(), getRealAddr(), chunkDataMask);
}
}
void THChunkRenderer::decodeChunks(const unsigned char* data, int datalen, bool complex)
{
if(complex)
{
while(!_isDone() && datalen > 0)
{
unsigned char b = *data;
--datalen;
++data;
if(b == 0)
{
chunkFillToEndOfLine(0xFF);
}
else if(b < 0x40)
{
int amt = b;
if(datalen < amt)
amt = datalen;
chunkCopy(amt, data);
data += amt;
datalen -= amt;
}
else if((b & 0xC0) == 0x80)
{
chunkFill(b - 0x80, 0xFF);
}
else
{
int amt;
unsigned char colour = 0;
if(b == 0xFF)
{
if(datalen < 2)
{
break;
}
amt = (int)data[0];
colour = data[1];
data += 2;
datalen -= 2;
}
else
{
amt = b - 60 - (b & 0x80) / 2;
if(datalen > 0)
{
colour = *data;
++data;
--datalen;
}
}
chunkFill(amt, colour);
}
}
}
else
{
while(!_isDone() && datalen > 0)
{
unsigned char b = *data;
--datalen;
++data;
if(b == 0)
{
chunkFillToEndOfLine(0xFF);
}
else if(b < 0x80)
{
int amt = b;
if(datalen < amt)
amt = datalen;
chunkCopy(amt, data);
data += amt;
datalen -= amt;
}
else
{
chunkFill(0x100 - b, 0xFF);
}
}
}
chunkFinish(0xFF);
}
