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Assets/Third Parties/Opsive/UltimateCharacterController/Demo/Scripts/AI/AttackTrigger.cs

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+/// ---------------------------------------------
+/// Ultimate Character Controller
+/// Copyright (c) Opsive. All Rights Reserved.
+/// https://www.opsive.com
+/// ---------------------------------------------
+
+namespace Opsive.UltimateCharacterController.Demo.AI
+{
+    using Opsive.UltimateCharacterController.Character;
+    using Opsive.UltimateCharacterController.Game;
+    using Opsive.UltimateCharacterController.Utility;
+    using UnityEngine;
+
+    /// <summary>
+    /// Enables the attack on the agent when the character enters the trigger.
+    /// </summary>
+    public class AttackTrigger : MonoBehaviour
+    {
+        [Tooltip("The agent doing the attacking.")]
+        [SerializeField] protected MeleeAgent m_Agent;
+
+        /// <summary>
+        /// An object has exited the trigger.
+        /// </summary>
+        /// <param name="other">The collider that exited the trigger.</param>
+        private void OnTriggerEnter(Collider other)
+        {
+            // A main character collider is required.
+            if (!MathUtility.InLayerMask(other.gameObject.layer, 1 << LayerManager.Character)) {
+                return;
+            }
+
+            // The object must be a character.
+            var characterLocomotion = other.GetComponentInParent<UltimateCharacterLocomotion>();
+            if (characterLocomotion == null) {
+                return;
+            }
+
+            m_Agent.Attack();
+        }
+
+        /// <summary>
+        /// An object has entered the trigger.
+        /// </summary>
+        /// <param name="other">The object that entered the trigger.</param>
+        private void OnTriggerExit(Collider other)
+        {
+            // A main character collider is required.
+            if (!MathUtility.InLayerMask(other.gameObject.layer, 1 << LayerManager.Character)) {
+                return;
+            }
+
+            // The object must be a character.
+            var characterLocomotion = other.GetComponentInParent<UltimateCharacterLocomotion>();
+            if (characterLocomotion == null) {
+                return;
+            }
+
+            m_Agent.CancelAttack();
+        }
+    }
+}