public DeletedArea3DPtg(LittleEndianInput in)  {field_1_index_extern_sheet = in.readUShort();unused1 = in.readInt();unused2 = in.readInt();}
public DeletedArea3DPtg(ILittleEndianInput in1){field_1_index_extern_sheet = in1.ReadUShort();unused1 = in1.ReadInt();unused2 = in1.ReadInt();}