public async Task <Htx> WriteToFile(string file)
{
List <byte> data = new List <byte>();
Htx htx = new Htx();
foreach (var command in Commands)
{
if (command.GetType() == typeof(DialogueCommand))
{
((DialogueCommand)command).DialogueIndex = htx.AddLine(((DialogueCommand)command).Dialogue);
}
data.AddRange(command.ToByteCode(htx));
}
await File.WriteAllBytesAsync(file, data.ToArray());
return(htx);
}
private void LoadHtx_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog
{
Filter = "SCR file|*.scr"
};
if (openFileDialog.ShowDialog() == true)
{
string scrFile = openFileDialog.FileName;
string htxFile = scrFile.Replace(".scr", ".htx");
Htx = Htx.ParseFromFile(htxFile);
Scr = Scr.ParseFromFile(scrFile, Htx);
scrBox.ItemsSource = Scr.Commands;
}
}
public static Scr ParseFromFile(string file, Htx htx)
{
var commands = new ObservableCollection <IScrCommand>();
byte[] data = File.ReadAllBytes(file);
for (int i = 0; i < data.Length;)
{
if (data[i] != 0x23)
{
throw new FileFormatException($"First byte of segment not 0x23 -- {data[i]:X2}");
}
else
{
i++;
}
switch (data[i])
{
case 0x00:
commands.Add(new DialogueCommand {
Dialogue = htx.Lines[data[i + 1] + (data[i + 2] << 8)]
});
i += 3;
break;
case 0x0F:
commands.Add(new WaitCommand
{
TimeInHundredthsSeconds = (ushort)(data[i + 1] + (data[i + 2] << 8)),
});
i += 3;
break;
case 0x13:
string sound = SoundCommand.SoundToByteMap
.FirstOrDefault(l => l.Value == data[i + 1] + (data[i + 2] << 8)).Key;
if (string.IsNullOrEmpty(sound))
{
throw new FileFormatException($"Encountered unknown sound 0x{data[i + 1] + (data[i + 2] << 8):X4}");
}
commands.Add(new SoundCommand
{
Sound = sound
});
i += 3;
break;
case 0x15:
commands.Add(new FadeInCommand
{
Bytes = new byte[] { data[i + 1], data[i + 2], data[i + 3], data[i + 4] }
});
i += 5;
break;
case 0x16:
string transition = TransitionCommand.TransitionToByteMap
.FirstOrDefault(l => l.Value == data[i + 2]).Key;
if (string.IsNullOrEmpty(transition))
{
throw new FileFormatException($"Encountered unknown transition 0x{data[i + 2]:X2}");
}
commands.Add(new TransitionCommand
{
UnknownByte = data[i + 1],
Transition = transition,
Speed = (short)(data[i + 3] + (data[i + 4] << 8))
});
i += 5;
break;
case 0x1B:
string background = BackgroundCommand.FileToByteMap
.FirstOrDefault(l => l.Value == data[i + 2]).Key;
if (string.IsNullOrEmpty(background))
{
throw new FileFormatException($"Encountered unknown background 0x{data[i + 2]:X4}");
}
commands.Add(new BackgroundCommand
{
Background = background,
UnknownByte = data[i + 1]
});
i += 3;
break;
case 0x1C:
string character = CharacterCommand.NameToByteMap
.FirstOrDefault(l => l.Value == data[i + 3] + (data[i + 4] << 8)).Key;
if (string.IsNullOrEmpty(character))
{
throw new FileFormatException($"Encountered unknown character 0x{data[i + 3] + (data[i + 4] << 8):X4}");
}
CharacterCommand.Position position = (CharacterCommand.Position)(data[i + 1] + (data[i + 2] << 8));
if (position > CharacterCommand.Position.RIGHT_FACING_LEFT && position < CharacterCommand.Position.MIDDLE_FACING_LEFT ||
position > CharacterCommand.Position.RIGHT_FACING_RIGHT)
{
throw new FileFormatException($"Encountered unknown position 0x{(short)position:X4}");
}
commands.Add(new CharacterCommand
{
CharacterPosition = position,
CharacterName = character
});
i += 5;
break;
case 0xFE: // end code
commands.Add(new EndCommand());
i += 1;
break;
default:
throw new FileFormatException($"Encountered unknown opcode 0x{data[i]:X2}");
}
}
return(new Scr {
Commands = commands
});
}