public Int32 GetSize()
{
switch (Type)
{
case OperandType.Byte:
case OperandType.SByte:
return(1);
case OperandType.UInt16:
case OperandType.Int16:
return(2);
case OperandType.UInt32:
case OperandType.Int32:
case OperandType.InstructionOffset:
case OperandType.BattleOffset:
return(4);
case OperandType.Instruction:
return(GetValue <Instruction>().GetSize());
case OperandType.Expression:
return(GetValue <Expression>().GetSize());
case OperandType.Operation:
return(GetValue <Operation>().GetSize());
case OperandType.String:
return(EncodedStringUtil.GetSize(GetValue <String>()));
case OperandType.None:
default:
throw new Exception();
}
}
public Int32 Write(Encoding encoding, Byte[] buffer, Int32 offset)
{
Assert.IsNotNull(encoding, nameof(encoding));
Assert.IsNotNull(buffer, nameof(buffer));
switch (Type)
{
case OperandType.Byte:
BinaryIO.WriteIntoBuffer(buffer, offset, GetValue <Byte>());
return(1);
case OperandType.SByte:
BinaryIO.WriteIntoBuffer(buffer, offset, GetValue <SByte>());
return(1);
case OperandType.UInt16:
BinaryIO.WriteIntoBuffer(buffer, offset, GetValue <UInt16>());
return(2);
case OperandType.Int16:
BinaryIO.WriteIntoBuffer(buffer, offset, GetValue <Int16>());
return(2);
case OperandType.UInt32:
case OperandType.InstructionOffset:
case OperandType.BattleOffset:
BinaryIO.WriteIntoBuffer(buffer, offset, GetValue <UInt32>());
return(4);
case OperandType.Int32:
BinaryIO.WriteIntoBuffer(buffer, offset, GetValue <Int32>());
return(4);
case OperandType.Instruction:
return(GetValue <Instruction>().Write(encoding, buffer, offset));
case OperandType.Expression:
return(GetValue <Expression>().Write(encoding, buffer, offset));
case OperandType.Operation:
return(GetValue <Operation>().Write(encoding, buffer, offset));
case OperandType.String:
var bytes = EncodedStringUtil.GetBytes(GetValue <String>(), encoding);
Array.Copy(bytes, 0, buffer, offset, bytes.Length);
return(bytes.Length);
case OperandType.None:
default:
throw new Exception();
}
}
static void UpdateEboot(Iso9660.IsoImage iso, String ebootpath)
{
Assert.IsNotNull(iso, nameof(iso));
Assert.IsValidString(ebootpath, nameof(ebootpath));
var patches = BuildEbootPatches();
var file = iso.GetFile(@"PSP_GAME\SYSDIR\EBOOT.BIN");
var buffer = File.ReadAllBytes(ebootpath);
foreach (var patch in patches)
{
if (patch.Type == BinaryPatchType.Clear)
{
for (var i = 0; i != patch.Count; ++i)
{
buffer[patch.Offset + i] = 0;
}
}
if (patch.Type == BinaryPatchType.Overwrite)
{
if (patch.Buffer != null)
{
Array.Copy(patch.Buffer, 0, buffer, patch.Offset, patch.Buffer.Length);
}
if (patch.Text != null)
{
var stringbytes = EncodedStringUtil.GetBytes(patch.Text, Encodings.ShiftJIS);
Array.Copy(stringbytes, 0, buffer, patch.Offset, stringbytes.Length);
}
}
}
UpdateFileData(iso, file, buffer);
}
