micromissiles-unity/Assets/Scripts/Assignment/RoundRobinAssignment.cs

43 lines
1.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
// The round-robin assignment class assigns missiles to the targets in a
// round-robin order.
public class RoundRobinAssignment : Assignment
{
// Previous target index that was assigned.
private int prevTargetIndex = -1;
// Assign a target to each missile that has not been assigned a target yet.
public override void Assign(List<Agent> missiles, List<Agent> targets)
{
List<int> assignableMissileIndices = GetAssignableMissileIndices(missiles);
if (assignableMissileIndices.Count == 0)
{
return;
}
List<int> activeTargetIndices = GetActiveTargetIndices(targets);
if (activeTargetIndices.Count == 0)
{
return;
}
foreach (int missileIndex in assignableMissileIndices)
{
int nextActiveTargetIndex = activeTargetIndices
.FindIndex(index => index > prevTargetIndex);
if (nextActiveTargetIndex == -1)
{
nextActiveTargetIndex = 0;
}
int nextTargetIndex = activeTargetIndices[nextActiveTargetIndex];
missileToTargetAssignments.AddFirst(new AssignmentItem(missileIndex, nextTargetIndex));
prevTargetIndex = nextTargetIndex;
}
}
}