public void WriteInst(BuildInstruction inst)
{
switch (inst.Type)
{
case BuildType.FromPatcher:
this.deflateWriter.Write((0x08 << 0x1c) | (inst.Length & 0x0fffffff));
break;
case BuildType.FillBytes:
this.deflateWriter.Write((0x0c << 0x1c)
| ((inst.Length & 0x000fffff) << 0x08)
| (inst.FillByte & 0xff));
break;
case BuildType.FromOldFile:
int flag = (inst.Length >> 0x1c);
if (flag == 0x08 || flag == 0x0c)
{
throw new Exception("errrrrrrrrr");
}
this.deflateWriter.Write(inst.Length);
this.deflateWriter.Write(inst.OldFilePosition);
break;
case BuildType.Ending:
this.deflateWriter.Write(0);
break;
}
}
public BuildInstruction ReadInst()
{
BuildInstruction inst = new BuildInstruction();
inst.Length = 0;
inst.FillByte = 0;
inst.OldFilePosition = 0;
uint command = reader.ReadUInt32();
if (command == 0)
{
inst.Type = BuildType.Ending;
}
else
{
switch (command >> 0x1c)
{
case 0x08:
inst.Type = BuildType.FromPatcher;
inst.Length = (int)command & 0x0fffffff;
break;
case 0x0c:
inst.Type = BuildType.FillBytes;
inst.Length = (int)(command & 0x0fffff00) >> 8;
inst.FillByte = (byte)(command & 0xff);
break;
default:
inst.Type = BuildType.FromOldFile;
inst.Length = (int)command;
inst.OldFilePosition = reader.ReadInt32();
break;
}
}
return(inst);
}
