public InputSequenceMatcher(InputSequence sequence)
{
this.sequence = sequence.Inputs.GetEnumerator();
// Start by advancing the enumerator, makes match() logic simpler
if (this.sequence.MoveNext() == false)
{
// Indicates empty InputSequence
complete = true;
}
}
public bool Match(InputSequence sequence)
{
var now = DateTime.Now;
if (now > lastAttackTime.AddSeconds(secondsBetweenAttacks))
{
lastAttackTime = now;
return(true);
}
return(false);
}
public bool Match(InputSequence sequence)
{
// TODO: Thread safety concerns?
int index = find(sequence);
if (index != -1)
{
var newLen = buffer.Count - (index + 1);
trimBuffer(newLen);
}
return(index != -1);
}
/// <summary>
/// Finds the index of the first (i.e oldest) InputState matching
/// the provided sequence, or -1 if not found.
/// </summary>
private int find(InputSequence sequence)
{
var matcher = new InputSequenceMatcher(sequence);
foreach ((InputState state, int index) in buffer.Select((x, i) => (x, i)))
{
if (matcher.isMatch(state))
{
if (matcher.isComplete())
{
return(index);
}
}
else
{
matcher = new InputSequenceMatcher(sequence);
}
}
return(-1);
}
public bool Peek(InputSequence sequence)
{
return(false);
}
public bool Peek(InputSequence sequence)
{
return(find(sequence) != -1);
}
public bool Peek(InputSequence sequence)
{
return(buffer.Peek(sequence));
}
public bool Match(InputSequence sequence)
{
return(buffer.Match(sequence));
}