137 lines
7.2 KiB
C#
137 lines
7.2 KiB
C#
using UnityEngine;
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using BaseGames.Core.Events;
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namespace BaseGames.Combat
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{
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/// <summary>
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/// 单次伤害信息。流水线：RawDamage → Amount（护盾修改）→ FinalDamage（防御减免后）。
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/// ⚠️ 保留为可变 struct：HurtBox 流水线需要在方法内修改本地副本的 Amount / FinalDamage。
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/// Builder 通过独立字段构造，不直接修改 DamageInfo 实例。
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/// </summary>
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[System.Serializable]
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public struct DamageInfo
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{
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public int RawDamage; // HitBox 设定的原始值（工厂/Builder 写入一次）
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public int Amount; // 流水线中被护盾/防御修改
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public int FinalDamage; // HurtBox 写入，最终 HP 扣除量
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public Vector2 KnockbackDirection;
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public float KnockbackForce;
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public float HitStunDuration;
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public DamageType Type;
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public DamageCategory Category;
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public DamageFlags Flags;
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public DamageTags Tags;
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public Vector2 SourcePosition;
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public int SourceLayer;
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public HitFxType FxType;
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public BreakLevel Break;
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public string SourceId;
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public string SkillId;
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/// <summary>
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/// 攻击来源投射物（仅当攻击方是 Projectile 时非 null）。
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/// 用于弹反成功时调用 ReflectAsPlayerProjectile() 翻转阵营。
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/// [NonSerialized]：MonoBehaviour 引用不参与 Unity 资产序列化。
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/// </summary>
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[System.NonSerialized] public Projectile SourceProjectile;
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// ── Builder ──────────────────────────────────────────────────────────
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/// <summary>
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/// 通过独立字段构造 DamageInfo，避免直接持有可变 DamageInfo 实例。
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/// </summary>
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public class Builder
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{
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private int _raw;
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private DamageType _type;
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private DamageCategory _category;
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private DamageFlags _flags;
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private DamageTags _tags;
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private string _skillId;
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private string _sourceId;
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private Vector2 _knockbackDirection;
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private float _knockbackForce;
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private float _hitStunDuration;
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private HitFxType _fxType;
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private BreakLevel _break;
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private Vector2 _sourcePosition;
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private int _sourceLayer;
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private Projectile _sourceProjectile;
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public Builder() { }
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// SetRaw 同步初始化 Amount（Amount 始终以 RawDamage 为起点）
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public Builder SetRaw(int v) { _raw = v; return this; }
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public Builder SetType(DamageType v) { _type = v; return this; }
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public Builder SetCategory(DamageCategory v) { _category = v; return this; }
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public Builder SetFlags(DamageFlags v) { _flags = v; return this; }
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public Builder SetTags(DamageTags v) { _tags = v; return this; }
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public Builder SetSkillId(string v) { _skillId = v; return this; }
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public Builder SetSourceId(string v) { _sourceId = v; return this; }
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public Builder SetKnockback(Vector2 dir, float force) { _knockbackDirection = dir; _knockbackForce = force; return this; }
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public Builder SetStun(float dur) { _hitStunDuration = dur; return this; }
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public Builder SetFx(HitFxType v) { _fxType = v; return this; }
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public Builder SetBreak(BreakLevel v) { _break = v; return this; }
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public Builder SetSourcePos(Vector2 v) { _sourcePosition = v; return this; }
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public Builder SetLayer(int v) { _sourceLayer = v; return this; }
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public Builder SetProjectile(Projectile v) { _sourceProjectile = v; return this; }
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public DamageInfo Build() => new DamageInfo
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{
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RawDamage = _raw,
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Amount = _raw,
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Type = _type,
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Category = _category,
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Flags = _flags,
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Tags = _tags,
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SkillId = _skillId,
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SourceId = _sourceId,
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KnockbackDirection = _knockbackDirection,
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KnockbackForce = _knockbackForce,
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HitStunDuration = _hitStunDuration,
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FxType = _fxType,
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Break = _break,
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SourcePosition = _sourcePosition,
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SourceLayer = _sourceLayer,
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SourceProjectile = _sourceProjectile,
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};
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}
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/// <summary>
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/// ⚡ 零堆分配工厂（热路径首选）。从 DamageSourceSO 填入所有静态字段；
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/// 可选传入运行时字段（knockbackDir、sourcePos、sourceLayer），
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/// 无需调用方事后就地赋值。
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/// </summary>
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public static DamageInfo From(
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DamageSourceSO so,
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Vector2 knockbackDir = default,
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Vector2 sourcePos = default,
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int sourceLayer = 0,
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Projectile sourceProjectile = null)
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{
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int baseAmt = Mathf.RoundToInt(so.BaseDamage * so.DamageMultiplier);
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return new DamageInfo
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{
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RawDamage = baseAmt,
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Amount = baseAmt,
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Type = so.Type,
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Category = so.Category,
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Flags = so.Flags,
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Tags = so.Tags,
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HitStunDuration = so.HitStunDuration,
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FxType = so.FxType,
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Break = so.BreakLevel,
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SourceId = so.sourceId,
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SkillId = so.skillId,
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KnockbackDirection = knockbackDir,
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KnockbackForce = so.KnockbackForce,
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SourcePosition = sourcePos,
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SourceLayer = sourceLayer,
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SourceProjectile = sourceProjectile,
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};
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}
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}
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/// <summary>伤害事件频道（EVT_DamageDealt）。</summary>
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[UnityEngine.CreateAssetMenu(menuName = "Events/DamageDealt")]
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public class DamageInfoEventChannelSO : BaseEventChannelSO<DamageInfo> { }
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}
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