private static RemapSegment[] InitSegments(RemapHeader header, MapEntry[] mapEntries)
{
var segments = new RemapSegment[header.MapSegmentCount];
int entryIdx = 0;
for (int i = 0; i < header.MapSegmentCount; i++)
{
var seg = new RemapSegment();
seg.Entries.Add(mapEntries[entryIdx]);
seg.Offset = mapEntries[entryIdx].VirtualOffset;
mapEntries[entryIdx].Segment = seg;
entryIdx++;
while (entryIdx < mapEntries.Length &&
mapEntries[entryIdx - 1].VirtualOffsetEnd == mapEntries[entryIdx].VirtualOffset)
{
mapEntries[entryIdx].Segment = seg;
mapEntries[entryIdx - 1].Next = mapEntries[entryIdx];
seg.Entries.Add(mapEntries[entryIdx]);
entryIdx++;
}
seg.Length = seg.Entries[seg.Entries.Count - 1].VirtualOffsetEnd - seg.Entries[0].VirtualOffset;
segments[i] = seg;
}
return(segments);
}
private MapEntry GetMapEntry(long offset)
{
int segmentIdx = GetSegmentFromVirtualOffset(offset);
if (segmentIdx < Segments.Length)
{
RemapSegment segment = Segments[segmentIdx];
foreach (MapEntry entry in segment.Entries)
{
if (entry.VirtualOffsetEnd > offset)
{
return(entry);
}
}
}
throw new ArgumentOutOfRangeException(nameof(offset));
}