public void Save(Stream output)
{
MemoryStream memory = new MemoryStream();
UnrealStream stream = new UnrealStream(memory, false, this.Version);
memory.WriteValueU32(this.Version);
this.Serialize(stream);
if (this.Version >= 27)
{
memory.Position = 0;
uint checksum = 0;
byte[] data = new byte[1024];
while (memory.Position < memory.Length)
{
int read = memory.Read(data, 0, 1024);
checksum = CRC32.Compute(data, 0, read, checksum);
}
this.Checksum = checksum;
memory.WriteValueU32(checksum);
}
// copy out
{
memory.Position = 0;
byte[] data = new byte[1024];
while (memory.Position < memory.Length)
{
int read = memory.Read(data, 0, 1024);
output.Write(data, 0, read);
}
}
}
public static SaveFile Load(Stream input)
{
SaveFile save = new SaveFile();
save.Version = input.ReadValueU32();
if (save.Version != 29)
{
throw new FormatException("todo: fix earlier save version support (not really important)");
}
UnrealStream stream = new UnrealStream(input, true, save.Version);
save.Serialize(stream);
if (save.Version >= 27)
{
// sanity check, cos if we read a strange crc it'll break anyway
if (input.Position != input.Length - 4)
{
throw new FormatException("bad checksum position");
}
save.Checksum = input.ReadValueU32();
}
// did we consume the entire save file?
if (input.Position != input.Length)
{
throw new FormatException("did not consume entire file");
}
return(save);
}
private void OnHeadMorphExport(object sender, EventArgs e)
{
if (this.SaveFile.PlayerRecord.Appearance.HasMorphHead == false ||
this.SaveFile.PlayerRecord.Appearance.MorphHead == null)
{
MessageBox.Show(
"This save does not have a non-default head morph.",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
if (this.saveHeadMorphDialog.ShowDialog() != DialogResult.OK)
{
return;
}
Stream output = this.saveHeadMorphDialog.OpenFile();
output.WriteStringASCII(HeadMorphMagic);
output.WriteValueU8(0); // "version" in case I break something in the future
output.WriteValueU32(this.SaveFile.Version);
FileFormats.UnrealStream stream = new FileFormats.UnrealStream(
output, false, this.SaveFile.Version);
stream.Serialize(ref this.SaveFile.PlayerRecord.Appearance.MorphHead);
output.Close();
}
private void OnHeadMorphImport(object sender, EventArgs e)
{
if (this.openHeadMorphDialog.ShowDialog() != DialogResult.OK)
{
return;
}
Stream input = this.openHeadMorphDialog.OpenFile();
if (input.ReadStringASCII((uint)HeadMorphMagic.Length) != HeadMorphMagic)
{
MessageBox.Show(
"That file does not appear to be an exported head morph.",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
input.Close();
return;
}
if (input.ReadValueU8() != 0)
{
MessageBox.Show(
"Unsupported head morph export version.",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
input.Close();
return;
}
uint version = input.ReadValueU32();
if (version != this.SaveFile.Version)
{
if (MessageBox.Show(
String.Format(
"The head morph you are importing has a different " +
"version ({0}) than your current save file ({1}).\n\n" +
"Import anyway?",
version,
this.SaveFile.Version),
"Question",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question) == DialogResult.No)
{
input.Close();
return;
}
}
FileFormats.UnrealStream stream = new FileFormats.UnrealStream(
input, true, version);
stream.Serialize(ref this.SaveFile.PlayerRecord.Appearance.MorphHead);
this.SaveFile.PlayerRecord.Appearance.HasMorphHead = true;
input.Close();
}
