71 lines
2.6 KiB
C#
71 lines
2.6 KiB
C#
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using UnityEngine;
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using System.Collections.Generic;
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using BehaviorDesigner.Runtime.Tasks;
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using Tooltip = BehaviorDesigner.Runtime.Tasks.TooltipAttribute;
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using HelpURL = BehaviorDesigner.Runtime.Tasks.HelpURLAttribute;
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namespace BehaviorDesigner.Runtime.Formations.Tasks
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{
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[TaskCategory("Formations")]
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[TaskDescription("Arrange the group in a randomly spread out line.")]
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[TaskIcon("Assets/Behavior Designer Formations/Editor/Icons/{SkinColor}SkirmisherIcon.png")]
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[HelpURL("https://www.opsive.com/support/documentation/behavior-designer-formations-pack/")]
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public class Skirmisher : NavMeshFormationGroup
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{
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[Tooltip("The minimum separation between two agents")]
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public SharedVector2 minSeparation = new Vector2(1, 1);
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[Tooltip("The maximum separation between two agents")]
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public SharedVector2 maxSeparation = new Vector2(3, 3);
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private List<Vector3> offsets = new List<Vector3>();
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protected override void AddAgentToGroup(Behavior agent, int index)
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{
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base.AddAgentToGroup(agent, index);
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// Randomly select a new offset. This offset will be relative to the last transform so no overlap checks need to be done.
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var offset = Vector3.zero;
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if (agents.Count > 1) {
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offset.Set(Random.Range(minSeparation.Value.x, maxSeparation.Value.x), 0, Random.Range(minSeparation.Value.y, maxSeparation.Value.y));
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}
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offsets.Add(offset);
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}
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protected override int RemoveAgentFromGroup(Behavior agent)
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{
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var index = base.RemoveAgentFromGroup(agent);
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if (index != -1) {
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offsets.RemoveAt(index);
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}
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return index;
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}
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protected override Vector3 TargetPosition(int index, float zLookAhead)
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{
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if (offsets.Count <= index) {
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return Vector3.zero;
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}
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var leaderTransform = leader.Value == null ? transform : leader.Value.transform;
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float agentOffset;
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if (index < 3) {
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agentOffset = 0;
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} else {
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// Alternate which side the offset is relative to.
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agentOffset = Mathf.Abs(index / 2 * maxSeparation.Value.x);
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}
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return leaderTransform.TransformPoint(offsets[index].x * (index % 2 == 0 ? -1 : 1) + agentOffset, 0, offsets[index].z + zLookAhead);
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}
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public override void OnReset()
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{
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base.OnReset();
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minSeparation = new Vector2(1, 1);
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maxSeparation = new Vector2(3, 3);
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}
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}
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}
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