145 lines
4.7 KiB
C#
145 lines
4.7 KiB
C#
using UnityEngine;
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using System;
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using System.Collections;
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using GameFramework;
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namespace IndianOceanAssets.Engine2_5D
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{
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// Handles health, damage, and death for entities
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public class HealthSystem : MonoBehaviour
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{
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/// <summary>玩家受伤时触发（用于受击特效等）</summary>
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public static Action onPlayerDamaged;
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[Range(1, 100)]
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[SerializeField]
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private int maxHealth = 5; // Maximum health
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private int health = 5; // Current health
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[SerializeField]
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private GameObject deathEffect; // Effect prefab on death
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[SerializeField]
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private bool isPlayer; // Is this the player?
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[Header("消隐特效")]
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[Tooltip("死亡消隐使用的溶解材质（Custom/SpriteDissolve shader）")]
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[SerializeField] private Material dissolveMaterial;
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[Tooltip("消隐动画持续时间（秒）")]
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[SerializeField] private float fadeDuration = 2f;
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private bool _isDead = false; // 防止重复触发死亡
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/// <summary>是否已死亡（只读）</summary>
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public bool IsDead => _isDead;
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/// <summary>最大血量（只读）</summary>
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public int MaxHealth => maxHealth;
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// Initializes health
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private void Start()
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{
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health = maxHealth;
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}
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// Applies damage and checks for death
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public void Damage(int damageAmount)
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{
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if (_isDead) return; // 已死亡，不再处理
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health -= damageAmount;
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// 玩家受伤时触发事件（用于受击泛红特效）
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if (isPlayer && onPlayerDamaged != null)
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onPlayerDamaged.Invoke();
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// 播放受伤音效
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if (isPlayer && AudioManager.Instance != null)
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AudioManager.Instance.PlaySFXFromResources("SFX/Hurt", 0.7f);
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// If dead
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if (health <= 0)
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{
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_isDead = true;
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if (isPlayer)
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{
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// 玩家死亡：触发过场动画，不立即销毁（由 GameManager 处理）
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GameManager.GameOver();
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}
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else
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{
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// 非玩家：正常播放死亡特效并销毁
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Die();
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}
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}
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}
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// Handles death logic and effects
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public void Die()
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{
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if (deathEffect != null)
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Instantiate(deathEffect, transform.position + new Vector3(0f, .5f, 0f), Quaternion.identity);
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// 如果有溶解材质，播放消隐动画后再销毁
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if (dissolveMaterial != null)
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{
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StartCoroutine(DissolveAndDestroy());
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}
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else
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{
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Destroy(gameObject);
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}
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}
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/// <summary>
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/// 溶解消隐协程：切换材质 → 禁用碰撞/AI → 动画溶解 → 销毁。
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/// </summary>
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private IEnumerator DissolveAndDestroy()
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{
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// 禁用碰撞体和刚体，防止死亡过程中仍能触发碰撞或受重力下坠
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foreach (var col in GetComponents<Collider>())
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col.enabled = false;
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foreach (var col in GetComponents<Collider2D>())
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col.enabled = false;
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foreach (var rb in GetComponents<Rigidbody>())
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rb.isKinematic = true;
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foreach (var rb in GetComponents<Rigidbody2D>())
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rb.isKinematic = true;
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// 禁用所有 MonoBehaviour（AI、动画等），防止死亡后仍移动/攻击
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foreach (var mb in GetComponents<MonoBehaviour>())
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{
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if (mb != this)
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mb.enabled = false;
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}
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// 切换所有 SpriteRenderer 到溶解材质
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var renderers = GetComponentsInChildren<SpriteRenderer>();
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var originalMats = new Material[renderers.Length][];
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for (int i = 0; i < renderers.Length; i++)
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{
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originalMats[i] = renderers[i].materials;
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renderers[i].materials = new Material[] { new Material(dissolveMaterial) };
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}
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// 动画溶解
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float elapsed = 0f;
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while (elapsed < fadeDuration)
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{
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elapsed += Time.deltaTime;
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float t = Mathf.Clamp01(elapsed / fadeDuration);
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for (int i = 0; i < renderers.Length; i++)
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{
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if (renderers[i] != null && renderers[i].material != null)
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renderers[i].material.SetFloat("_DissolveAmount", t);
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}
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yield return null;
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}
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Destroy(gameObject);
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}
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}
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} |