77 lines
2.8 KiB
C#
77 lines
2.8 KiB
C#
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using NodeCanvas.Framework;
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using ParadoxNotion.Design;
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using UnityEngine;
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namespace NodeCanvas.Tasks.Conditions
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{
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[Category("GameObject")]
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[Description("A combination of line of sight and view angle check")]
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public class CanSeeTarget : ConditionTask<Transform>
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{
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[RequiredField]
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public BBParameter<GameObject> target;
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[Tooltip("Distance within which to look out for.")]
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public BBParameter<float> maxDistance = 50;
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[Tooltip("A layer mask to use for line of sight check.")]
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public BBParameter<LayerMask> layerMask = (LayerMask)( -1 );
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[Tooltip("Distance within which the target can be seen (or rather sensed) regardless of view angle.")]
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public BBParameter<float> awarnessDistance = 0f;
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[SliderField(1, 180)]
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public BBParameter<float> viewAngle = 70f;
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public Vector3 offset;
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private RaycastHit hit;
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protected override string info {
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get { return "Can See " + target; }
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}
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protected override bool OnCheck() {
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var t = target.value.transform;
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if ( !t.gameObject.activeInHierarchy ) {
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return false;
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}
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if ( Vector3.Distance(agent.position, t.position) <= awarnessDistance.value ) {
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if ( Physics.Linecast(agent.position + offset, t.position + offset, out hit, layerMask.value) ) {
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if ( hit.collider != t.GetComponent<Collider>() ) {
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return false;
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}
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}
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return true;
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}
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if ( Vector3.Distance(agent.position, t.position) > maxDistance.value ) {
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return false;
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}
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if ( Vector3.Angle(t.position - agent.position, agent.forward) > viewAngle.value ) {
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return false;
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}
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if ( Physics.Linecast(agent.position + offset, t.position + offset, out hit, layerMask.value) ) {
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if ( hit.collider != t.GetComponent<Collider>() ) {
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return false;
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}
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}
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return true;
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}
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public override void OnDrawGizmosSelected() {
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if ( agent != null ) {
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Gizmos.DrawLine(agent.position, agent.position + offset);
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Gizmos.DrawLine(agent.position + offset, agent.position + offset + ( agent.forward * maxDistance.value ));
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Gizmos.DrawWireSphere(agent.position + offset + ( agent.forward * maxDistance.value ), 0.1f);
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Gizmos.DrawWireSphere(agent.position, awarnessDistance.value);
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Gizmos.matrix = Matrix4x4.TRS(agent.position + offset, agent.rotation, Vector3.one);
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Gizmos.DrawFrustum(Vector3.zero, viewAngle.value, 5, 0, 1f);
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}
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}
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}
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}
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