void _ReadSequence(BinaryReader bin, ref Sequence seq, bool readNameIndex)
{
if (readNameIndex)
seq.NameIndex = bin.ReadInt32();
seq.Flags = (SequenceFlags)bin.ReadUInt32();
seq.KeyframeCount = bin.ReadInt32();
seq.Duration = bin.ReadSingle();
seq.Priority = bin.ReadInt32();
seq.FirstGroundFrame = bin.ReadInt32();
seq.GroundFrameCount = bin.ReadInt32();
seq.BaseRotation = bin.ReadInt32();
seq.BaseTranslation = bin.ReadInt32();
seq.BaseScale = bin.ReadInt32();
seq.BaseObjectState = bin.ReadInt32();
int baseDecalState = bin.ReadInt32(); // deprecated
seq.FirstTrigger = bin.ReadInt32();
seq.TriggerCount = bin.ReadInt32();
seq.ToolBegin = bin.ReadSingle();
seq.DoesRotationMatter.Read(bin);
seq.DoesTranslationMatter.Read(bin);
seq.DoesScaleMatter.Read(bin);
BitVector decalMatters = new BitVector(); // deprecated
decalMatters.Read(bin);
seq.DoesIflMatter.Read(bin);
seq.DoesVisibilityMatter.Read(bin);
seq.DoesFrameMatter.Read(bin);
seq.DoesMaterialFrameMatter.Read(bin);
// figure out dirty _flags
seq.DirtyFlags = 0;
if (seq.DoesRotationMatter.TestAll() || seq.DoesTranslationMatter.TestAll() || seq.DoesScaleMatter.TestAll())
seq.DirtyFlags |= DirtyFlags.TransformDirty;
if (seq.DoesVisibilityMatter.TestAll())
seq.DirtyFlags |= DirtyFlags.VisDirty;
if (seq.DoesFrameMatter.TestAll())
seq.DirtyFlags |= DirtyFlags.FrameDirty;
if (seq.DoesMaterialFrameMatter.TestAll())
seq.DirtyFlags |= DirtyFlags.MatFrameDirty;
if (seq.DoesIflMatter.TestAll())
seq.DirtyFlags |= DirtyFlags.IflDirty;
}