88 lines
3.1 KiB
C#
88 lines
3.1 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Saltosion.OneWeapon.AI.Behaviours {
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public class MeleeAttackFollowed : AIBehaviour {
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public Follow Follow;
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[Tooltip("This should be at 0,0,0 locally by default.")]
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public Transform AnimatableTransform;
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public float MeleeRange;
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public float AttackAnimationLength;
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public float ReleaseAnimationLength;
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public float CooldownLength;
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private bool AttackHit;
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private float AnimationProgress;
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private float CooldownProgress;
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private Vector3 LocalOrigin;
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private void Start() {
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if (AnimatableTransform.localPosition.magnitude != 0) {
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Debug.LogWarning($"{name} has an animated melee attack, and AnimatableTransform is not at local origin!");
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}
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LocalOrigin = AnimatableTransform.localPosition;
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Reset();
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}
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private void Reset() {
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AttackHit = false;
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AnimationProgress = 0.0f;
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CooldownProgress = 1.0f;
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AnimatableTransform.localPosition = LocalOrigin;
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}
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private void Update() {
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if (CooldownProgress > 0) {
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CurrentStatus = "Cooldown";
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CooldownProgress -= Time.deltaTime / CooldownLength;
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}
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}
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public override bool CanBehave(Enemy subject) {
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bool CanBehave = Follow.Target != null && (Follow.Target.position - subject.transform.position).magnitude <= MeleeRange;
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if (!CanBehave) {
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subject.Attacking = false;
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}
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return CanBehave;
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}
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public override bool Execute(Enemy subject) {
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if (CooldownProgress > 0) {
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subject.Attacking = false;
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return false;
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} else {
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subject.Attacking = true;
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}
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Vector2 Root = AnimatableTransform.parent.position + LocalOrigin;
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Vector2 Target = Follow.Target.transform.position;
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if (!AttackHit) {
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CurrentStatus = "Hit";
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AnimationProgress += Time.deltaTime / AttackAnimationLength;
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AnimatableTransform.position = Vector2.Lerp(Root, Target, AnimationProgress);
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if (AnimationProgress >= 1.0f) {
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// Attack hit, deal damage and start return animation
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AttackHit = true;
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AnimationProgress = 0.0f;
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}
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} else {
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CurrentStatus = "Retreat";
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AnimationProgress += Time.deltaTime / ReleaseAnimationLength;
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AnimatableTransform.position = Vector2.Lerp(Target, Root, AnimationProgress);
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if (AnimationProgress >= 1.0f) {
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// Attack finished, reset
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Reset();
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}
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}
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return false;
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}
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private void OnDrawGizmosSelected() {
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Gizmos.color = Color.red;
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Gizmos.DrawWireSphere(transform.position, MeleeRange);
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}
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}
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}
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