public IIntCodeData Compute(IIntCodeData data)
{
var n = IntCodeValue.FromInt(0);
while (!Compute(data, ref n))
{
}
return(data);
}
public IntCodeValue FetchParameter(IIntCodeData data, IntCodeValue parsedValue, int?parameterMode)
{
var paramModeOrDefault = GetParameterModeOrDefault(parameterMode);
switch (paramModeOrDefault)
{
case PositionMode:
return(data[parsedValue]);
case ImmediateMode:
return(parsedValue);
case RelativeMode:
return(data[_base + parsedValue]);
default:
throw new ArgumentException("Invalid parameter mode");
}
}
public void WriteParameter(IIntCodeData data, IntCodeValue input, IntCodeValue parsedValue, int?parameterMode)
{
var paramModeOrDefault = GetParameterModeOrDefault(parameterMode);
switch (paramModeOrDefault)
{
case PositionMode:
data[parsedValue] = input;
return;
case ImmediateMode:
throw new InvalidOperationException("Writing instructions can't have parameters in immediate mode.");
case RelativeMode:
data[_base + parsedValue] = input;
return;
default:
throw new ArgumentException("Invalid parameter mode");
}
}
private bool Compute(IIntCodeData data, ref IntCodeValue offset)
{
var parsedOpCode = data[offset].ToString();
var opCodeLength = parsedOpCode.Length < 2 ? parsedOpCode.Length : 2;
var opcode =
opCodeLength == parsedOpCode.Length
? IntCodeValue.Parse(parsedOpCode)
: IntCodeValue.Parse(parsedOpCode.Substring(parsedOpCode.Length - opCodeLength, opCodeLength));
var parameterModes = parsedOpCode.Length <= 2
? new int[0] :
parsedOpCode
.Substring(0, parsedOpCode.Length - opCodeLength)
.Select(c => int.Parse(c.ToString()))
.Reverse()
.ToArray();
offset++;
var cmd = _commands[opcode];
return(cmd.Process(data, parameterModes, ref offset));
}
public void AdjustBase(IntCodeValue parameter)
{
_base = _base + parameter;
}
public IntCodeValue this[IntCodeValue i]
{
get => _dictionary.TryGetValue(i, out var value) ? value : IntCodeValue.FromInt(0);
public void Set(IntCodeValue key, IntCodeValue value)
{
_dictionary[key] = value;
}
public IntCodeValue Get(IntCodeValue key)
{
return(_dictionary[key]);
}
public static IIntCodeData FromIntCodeValueArray(IntCodeValue[] data)
{
var d = data.Select((value, index) => new KeyValuePair <IntCodeValue, IntCodeValue>(IntCodeValue.FromInt(index), value))
.ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
return(new IntCodeData(d));
}
