45 lines
1.3 KiB
C#
45 lines
1.3 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
|
|
namespace Content.Server.AI.Operators.Sequences
|
|
{
|
|
/// <summary>
|
|
/// Sequential chain of operators
|
|
/// Saves having to duplicate stuff like MoveTo and PickUp everywhere
|
|
/// </summary>
|
|
public abstract class SequenceOperator : AiOperator
|
|
{
|
|
public Queue<AiOperator> Sequence { get; protected set; }
|
|
|
|
public override Outcome Execute(float frameTime)
|
|
{
|
|
if (Sequence.Count == 0)
|
|
{
|
|
return Outcome.Success;
|
|
}
|
|
|
|
var op = Sequence.Peek();
|
|
op.Startup();
|
|
var outcome = op.Execute(frameTime);
|
|
|
|
switch (outcome)
|
|
{
|
|
case Outcome.Success:
|
|
op.Shutdown(outcome);
|
|
// Not over until all operators are done
|
|
Sequence.Dequeue();
|
|
return Outcome.Continuing;
|
|
case Outcome.Continuing:
|
|
return Outcome.Continuing;
|
|
case Outcome.Failed:
|
|
op.Shutdown(outcome);
|
|
Sequence.Clear();
|
|
return Outcome.Failed;
|
|
|
|
default:
|
|
throw new ArgumentOutOfRangeException();
|
|
}
|
|
}
|
|
}
|
|
}
|