107 lines
3.2 KiB
C#
107 lines
3.2 KiB
C#
using SepCore.Battle;
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using SepCore.Components;
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using SepCore.Definition;
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using SepCore.CustomUtility;
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using UnityEngine;
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namespace SepCore.Entity
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{
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/// <summary>
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/// 可作为目标的实体类。
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/// </summary>
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public abstract class TargetableObject : EntityBase
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{
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protected abstract TargetableObjectData _targetableObjectData { get; }
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public bool IsDead => _healthComponent.CurrentHealth <= 0;
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protected HealthComponent _healthComponent;
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public abstract ImpactData GetImpactData();
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public void ApplyDamage(EntityBase attacker, in DamageResult damageResult, Vector3? hitPosition = null)
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{
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if (damageResult.IsDodge)
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{
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_healthComponent.TakeDamage(0, false, true, hitPosition);
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return;
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}
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float fromHPRatio = _healthComponent.HealthRatio;
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_healthComponent.TakeDamage(damageResult.Damage, damageResult.IsCrit, false, hitPosition);
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float toHPRatio = _healthComponent.HealthRatio;
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if (fromHPRatio > toHPRatio)
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{
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GameEntry.HPBar.ShowHPBar(this, fromHPRatio, toHPRatio);
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}
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if (damageResult.IsLifeSteal && attacker != null)
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{
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HealthComponent attackerHealth = attacker.GetComponent<HealthComponent>();
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if (attackerHealth == null && attacker is WeaponBase weapon)
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{
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attackerHealth = weapon.GetComponentInParent<HealthComponent>();
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}
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if (attackerHealth != null)
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{
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attackerHealth.TryTriggerLifeSteal(damageResult.LifeStealAmount);
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}
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}
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if (_healthComponent.CurrentHealth <= 0)
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{
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OnDead(attacker);
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}
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}
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public void ApplyDamage(EntityBase attacker, int damageHP)
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{
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ApplyDamage(attacker, new DamageResult
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{
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Damage = damageHP,
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IsDodge = false,
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IsCrit = false,
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IsLifeSteal = false,
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LifeStealAmount = 0
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});
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}
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protected override void OnInit(object userData)
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{
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base.OnInit(userData);
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_healthComponent = GetComponent<HealthComponent>();
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}
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protected override void OnShow(object userData)
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{
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base.OnShow(userData);
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}
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protected virtual void OnDead(EntityBase attacker)
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{
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GameEntry.Entity.HideEntity(this);
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}
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private void OnTriggerEnter(Collider other)
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{
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EntityBase entity = other.GetComponentInParent<EntityBase>();
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if (entity == null || entity == this)
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{
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return;
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}
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if (entity is TargetableObject && entity.Id < Id)
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{
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// 碰撞事件由 Id 大的一方处理
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// 在这里约定 Enemy 的 Id 为非负数（通常从 0 开始）
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// 而其他的 Entity (Player, Weapon, Bullet) 的 Id 均小于 0
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return;
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}
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AIUtility.PerformCollision(this, entity);
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}
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}
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}
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