void CDefFile::loadFrame(size_t frame, size_t group, ImageLoader &loader) const
{
std::map<size_t, std::vector <size_t> >::const_iterator it;
it = offset.find(group);
assert (it != offset.end());
const ui8 * FDef = data+it->second[frame];
const SSpriteDef sd = * reinterpret_cast<const SSpriteDef *>(FDef);
SSpriteDef sprite;
sprite.format = read_le_u32(&sd.format);
sprite.fullWidth = read_le_u32(&sd.fullWidth);
sprite.fullHeight = read_le_u32(&sd.fullHeight);
sprite.width = read_le_u32(&sd.width);
sprite.height = read_le_u32(&sd.height);
sprite.leftMargin = read_le_u32(&sd.leftMargin);
sprite.topMargin = read_le_u32(&sd.topMargin);
ui32 currentOffset = sizeof(SSpriteDef);
ui32 BaseOffset = sizeof(SSpriteDef);
loader.init(Point(sprite.width, sprite.height),
Point(sprite.leftMargin, sprite.topMargin),
Point(sprite.fullWidth, sprite.fullHeight), palette);
switch (sprite.format)
{
case 0:
{
//pixel data is not compressed, copy data to surface
for (ui32 i=0; i<sprite.height; i++)
{
loader.Load(sprite.width, FDef[currentOffset]);
currentOffset += sprite.width;
loader.EndLine();
}
break;
}
case 1:
{
//for each line we have offset of pixel data
const ui32 * RWEntriesLoc = reinterpret_cast<const ui32 *>(FDef+currentOffset);
currentOffset += sizeof(ui32) * sprite.height;
for (ui32 i=0; i<sprite.height; i++)
{
//get position of the line
currentOffset=BaseOffset + read_le_u32(RWEntriesLoc + i);
ui32 TotalRowLength = 0;
while (TotalRowLength<sprite.width)
{
ui8 type=FDef[currentOffset++];
ui32 length=FDef[currentOffset++] + 1;
if (type==0xFF)//Raw data
{
loader.Load(length, FDef + currentOffset);
currentOffset+=length;
}
else// RLE
{
loader.Load(length, type);
}
TotalRowLength += length;
}
loader.EndLine();
}
break;
}
case 2:
{
currentOffset = BaseOffset + read_le_u16(FDef + BaseOffset);
for (ui32 i=0; i<sprite.height; i++)
{
ui32 TotalRowLength=0;
while (TotalRowLength<sprite.width)
{
ui8 SegmentType=FDef[currentOffset++];
ui8 code = SegmentType / 32;
ui8 length = (SegmentType & 31) + 1;
if (code==7)//Raw data
{
loader.Load(length, FDef[currentOffset]);
currentOffset += length;
}
else//RLE
{
loader.Load(length, code);
}
TotalRowLength+=length;
}
loader.EndLine();
}
break;
}
case 3:
{
for (ui32 i=0; i<sprite.height; i++)
{
currentOffset = BaseOffset + read_le_u16(FDef + BaseOffset+i*2*(sprite.width/32));
ui32 TotalRowLength=0;
while (TotalRowLength<sprite.width)
{
ui8 segment = FDef[currentOffset++];
ui8 code = segment / 32;
ui8 length = (segment & 31) + 1;
if (code==7)//Raw data
{
loader.Load(length, FDef + currentOffset);
currentOffset += length;
}
else//RLE
{
loader.Load(length, code);
}
TotalRowLength += length;
}
loader.EndLine();
}
break;
}
default:
logGlobal->errorStream()<<"Error: unsupported format of def file: "<<sprite.format;
break;
}
};
