102 lines
2.7 KiB
C#
102 lines
2.7 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.InputSystem;
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public class BloodSucker : MonoBehaviour {
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[SerializeField] float suckDuration = 1f;
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[SerializeField] float suckRange = 1f;
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[SerializeField] float healthGainFromSuck = 30f;
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Entity currentTarget;
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VampireEntity vampireEntity;
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bool isSucking;
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float currentSuckTimer;
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void Awake() {
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vampireEntity = GetComponent<VampireEntity>();
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}
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void FixedUpdate() {
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if (currentTarget == null) {
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SearchSuckTarget();
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}
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if (currentTarget != null) {
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if (Vector3.Distance(currentTarget.transform.position, transform.position) > suckRange) {
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SetTarget(null);
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} else {
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if (isSucking) {
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PerformSuck(Time.fixedDeltaTime);
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// } else {
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// HighlightTarget();
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}
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}
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}
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}
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public void ToggleSuck(InputAction.CallbackContext context) {
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if (context.performed) {
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if (currentTarget != null) {
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isSucking = true;
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currentSuckTimer = suckDuration;
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}
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} else if (context.canceled) {
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isSucking = false;
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}
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}
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void SearchSuckTarget() {
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foreach (Collider2D coll in Physics2D.OverlapCircleAll(transform.position, suckRange)) {
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Entity entity = coll.GetComponent<Entity>();
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if (entity != null && entity.gameObject != gameObject) {
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if (!entity.IsAlive() && entity.bloodTokens > 0) {
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SetTarget(entity);
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}
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}
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}
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}
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void SetTarget(Entity newTarget) {
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if(newTarget != currentTarget) {
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isSucking = false;
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}
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if (currentTarget != null) {
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UnHighlightTarget();
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}
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currentTarget = newTarget;
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if (currentTarget != null) {
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// print("new target : " + currentTarget.name);
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HighlightTarget();
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}
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}
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void PerformSuck(float deltaTime) {
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currentSuckTimer -= deltaTime;
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if (currentSuckTimer < 0f) {
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currentTarget.bloodTokens -= 1;
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vampireEntity.HealDamage(healthGainFromSuck);
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// print("One token sucked");
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if (currentTarget.bloodTokens == 0) {
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SetTarget(null);
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isSucking = false;
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// TODO : Dispawn target
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} else {
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currentSuckTimer = suckDuration;
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}
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}
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}
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void HighlightTarget() {
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currentTarget.EnableHalo();
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}
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void UnHighlightTarget() {
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currentTarget.DisableHalo();
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}
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}
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