feat(skill): 添加计时buff目标覆写功能

1. 新增BuffTarget枚举定义计时buff的四种施加目标类型
2. 扩展SkillOverrides接口添加buff_target配置项
3. 实现resolveBuffTargets方法解析buff实际施加目标
4. 调整普攻buff施加逻辑适配新的目标配置规则
5. 修复伤害技能误给敌方挂友方buff的问题
6. 清理英雄技能配置中多余的summon_count参数

assets/script/game/common/config/SkillSet.ts

@@ -20,6 +20,18 @@ export enum DTType {
     range = 1,
 }
 
+/**
+ * 计时 buff（timed_buff_id）的施加目标。
+ * 缺省（undefined）时按技能主效果推导：伤害技能挂被命中者，辅助技能挂友方目标。
+ * 显式配置后打破 TGroup 默认绑定，实现"伤害技能命中后给自己回血"等跨阵营效果。
+ */
+export enum BuffTarget {
+    Hit = 0,   // 被命中者（敌方技能的默认行为）
+    Self = 1,  // 施法者自身
+    Ally = 2,  // 全体友方（含施法者）
+    Enemy = 3, // 全体敌方（辅助技能给敌人挂 debuff 用）
+}
+
 export enum SkillKind {
     Damage = 0,
     Heal = 1,
@@ -178,6 +190,8 @@ export interface SkillOverrides {
     buff_value?: number;
     buff_duration?: number;
     buff_chance?: number;
+    /** 计时 buff 施加目标覆写：缺省按技能主效果推导（伤害→被命中者，辅助→友方） */
+    buff_target?: BuffTarget;
     call_hero?: number;
     /** 单次施法召唤的技能实体个数（覆盖 prefab 上 SkillView.summon_count；>1 视为召唤类，不再参与风怒等额外触发） */
     summon_count?: number;

assets/script/game/common/config/heroSet.ts

@@ -599,10 +599,10 @@ export const HeroInfo: Record<number, heroInfo> = {
                     { lv: 2, s_lv: SkillLv.Lv2, overrides: {"stun":10}, desc: "挥斧对{target}造成攻击力{ap}%伤害，{stun}%概率击晕" },
                 ],
             },
-            6104: { uuid: 6104, name: "开山斧", lv: 1, cd: 8, ccd: 0, overrides: {"ap":300,"stun":100,"summon_count":1}, desc: "劈出开山斧，对{target}造成攻击力{ap}%伤害，必定击晕",
+            6104: { uuid: 6104, name: "开山斧", lv: 1, cd: 8, ccd: 0, overrides: {"ap":300,"stun":100}, desc: "劈出开山斧，对{target}造成攻击力{ap}%伤害，必定击晕",
                 lv_entries: [
-                    { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":450,"stun":100,"summon_count":1} },
+                    { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":450,"stun":100} },
-                    { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":450,"stun":100,"summon_count":2} },
+                    { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":450,"stun":100} },
                 ],
             },
         },
@@ -620,10 +620,10 @@ export const HeroInfo: Record<number, heroInfo> = {
                     { lv: 2, s_lv: SkillLv.Lv2, overrides: {"crt":10}, desc: "挥刀对{target}造成攻击力{ap}%伤害，{crt}%概率暴击" },
                 ],
             },
-            6100: { uuid: 6100, name: "光闪", lv: 1, cd: 8, ccd: 0, overrides: {"ap":150,"summon_count":1}, desc: "斩出光闪，对{target}造成攻击力{ap}%伤害",
+            6100: { uuid: 6100, name: "光闪", lv: 1, cd: 8, ccd: 0, overrides: {"ap":150}, desc: "斩出光闪，对{target}造成攻击力{ap}%伤害",
                 lv_entries: [
-                    { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":250,"summon_count":1} },
+                    { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":250} },
-                    { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":350,"summon_count":2} },
+                    { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":350} },
                 ],
             },
         },
@@ -641,10 +641,10 @@ export const HeroInfo: Record<number, heroInfo> = {
                     { lv: 2, s_lv: SkillLv.Lv2, overrides: {"timed_buff_id":7007,"buff_value":30,"buff_chance":30}, desc: "挥刀对{target}造成攻击力{ap}%伤害，{buff_chance}%概率使目标出血（每0.5秒受到{buff_value}点伤害，持续{dur}秒）" },
                 ],
             },
-            6103: { uuid: 6103, name: "闪电斩", lv: 1, cd: 8, ccd: 0, overrides: {"ap":150,"summon_count":1}, desc: "召唤落雷斩击{target}，造成攻击力{ap}%伤害",
+            6103: { uuid: 6103, name: "闪电斩", lv: 1, cd: 8, ccd: 0, overrides: {"ap":150}, desc: "召唤落雷斩击{target}，造成攻击力{ap}%伤害",
                 lv_entries: [
-                    { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":250,"timed_buff_id":7007,"summon_count":1}, desc: "召唤落雷斩击{target}，造成攻击力{ap}%伤害，并使目标出血（每0.5秒受到{buff_value}点伤害，持续{dur}秒）" },
+                    { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":250,"timed_buff_id":7007}, desc: "召唤落雷斩击{target}，造成攻击力{ap}%伤害，并使目标出血（每0.5秒受到{buff_value}点伤害，持续{dur}秒）" },
-                    { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":350,"para":50,"timed_buff_id":7007,"buff_value":60,"summon_count":2}, desc: "召唤落雷斩击{target}，造成攻击力{ap}%伤害，{para}%概率麻痹，并使目标出血（每0.5秒受到{buff_value}点伤害，持续{dur}秒）" },
+                    { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":350,"para":50,"timed_buff_id":7007,"buff_value":60}, desc: "召唤落雷斩击{target}，造成攻击力{ap}%伤害，{para}%概率麻痹，并使目标出血（每0.5秒受到{buff_value}点伤害，持续{dur}秒）" },
                 ],
             },
         },

assets/script/game/hero/HeroAtkSystem.ts

@@ -11,7 +11,7 @@ import { HeroInfo } from "../common/config/heroSet";
 import { oops } from "db://oops-framework/core/Oops";
 import { GameEvent } from "../common/config/GameEvent";
 import { SkillTriggerType } from "../common/config/heroSet";
-import { FieldSkillType } from "../common/config/SkillSet";
+import { FieldSkillType, BuffTarget } from "../common/config/SkillSet";
 
 import { mLogger } from "../common/Logger";
 import { SkillTriggerHelper } from "./SkillTriggerHelper";
@@ -257,7 +257,7 @@ export class HeroAtkSystem extends ecs.ComblockSystem implements ecs.ISystemUpda
             }
         }
 
-        // 命中附带 debuff（如灼烧 DoT）：仅普攻路径，复用友方 timed_buff_id 机制；
+        // 命中附带 buff：仅普攻路径；buff_target 缺省挂被命中者，显式配置可改为挂施法者/全体友方/全体敌方
         // 施法者 ap/完整属性快照取自伤害事件，供 BuffSystem tick 缩放与暴击/冰冻/击晕判定
         if (!isDot && skillConf.timed_buff_id) {
             const buffChance = skillConf.buff_chance ?? 100;
@@ -265,7 +265,9 @@ export class HeroAtkSystem extends ecs.ComblockSystem implements ecs.ISystemUpda
                 const buffOverrides: BuffApplyOverrides = { source_attrs: damageEvent.Attrs };
                 if (skillConf.buff_value !== undefined) buffOverrides.value = skillConf.buff_value;
                 if (skillConf.buff_duration !== undefined) buffOverrides.duration = skillConf.buff_duration;
-                buffManager.applyBuff(target, skillConf.timed_buff_id, casterEid, damageEvent.Attrs[Attrs.ap] || 0, buffOverrides);
+                for (const buffTarget of this.resolveBuffTargets(target, casterEid, TAttrsComp.fac, skillConf.buff_target)) {
+                    buffManager.applyBuff(buffTarget, skillConf.timed_buff_id, casterEid, damageEvent.Attrs[Attrs.ap] || 0, buffOverrides);
+                }
             }
         }
 
@@ -527,6 +529,38 @@ export class HeroAtkSystem extends ecs.ComblockSystem implements ecs.ISystemUpda
         return { remainingDamage: damage - absorbed, absorbedDamage: absorbed };
     }
 
+    /**
+     * 解析 timed_buff_id 的施加目标实体列表。
+     * 缺省（undefined / BuffTarget.Hit）返回被命中者；显式配置可切换到施法者自身、全体友方或全体敌方。
+     * @param hitTarget   被命中实体（伤害事件的 target）
+     * @param casterEid   施法者 eid
+     * @param targetFac   被命中者阵营（用于推导敌我网格）
+     * @param buffTarget  技能配置上的目标覆写
+     */
+    private resolveBuffTargets(hitTarget: ecs.Entity, casterEid: number, targetFac: number, buffTarget?: BuffTarget): ecs.Entity[] {
+        if (buffTarget === undefined || buffTarget === BuffTarget.Hit) {
+            return [hitTarget];
+        }
+        if (buffTarget === BuffTarget.Self) {
+            const caster = ecs.getEntityByEid(casterEid);
+            return caster ? [caster] : [];
+        }
+        // 全体友方/敌方：以施法者阵营为基准（命中者必为敌方，施法方网格即友方）
+        const casterFac = targetFac === FacSet.HERO ? FacSet.MON : FacSet.HERO;
+        const grid = buffTarget === BuffTarget.Ally
+            ? (casterFac === FacSet.HERO ? smc.mission.heroGrid : smc.mission.monGrid)
+            : (casterFac === FacSet.HERO ? smc.mission.monGrid : smc.mission.heroGrid);
+        const targets: ecs.Entity[] = [];
+        for (const eid of grid) {
+            if (eid < 0) continue;
+            const ent = ecs.getEntityByEid(eid);
+            if (!ent) continue;
+            const attrs = ent.get(HeroAttrsComp);
+            if (attrs && !attrs.is_dead && !attrs.is_reviving) targets.push(ent);
+        }
+        return targets;
+    }
+
     /**
      * 被攻击时触发的事件
      * 

assets/script/game/hero/SCastSystem.ts

@@ -2,7 +2,7 @@ import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ec
 import { Vec3, Prefab, instantiate, tween, Node } from "cc";
 import { HeroAttrsComp } from "./HeroAttrsComp";
 import { HeroViewComp } from "./HeroViewComp";
-import { DTType, RType, SkillConfig, SkillKind, SkillSet, TGroup, SkillOverrides, mergeSkillParams } from "../common/config/SkillSet";
+import { DTType, RType, SkillConfig, SkillKind, SkillSet, TGroup, SkillOverrides, mergeSkillParams, BuffTarget } from "../common/config/SkillSet";
 import { Skill } from "../skill/Skill";
 import { SkillView } from "../skill/SkillView";
 import { smc } from "../common/SingletonModuleComp";
@@ -545,7 +545,8 @@ export class SCastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         if (config.buff_type !== undefined) {
             // 计时性 buff：配置了 timed_buff_id 时走 buffManager 限时路径，
             // 同一技能不应既永久加成又限时加成，故提前 return 跳过下方永久 add_* 逻辑
-            if (config.timed_buff_id) {
+            // buff_target=Enemy 时 timed_buff_id 已在 applyFriendlySkillEffects 入口分流到敌方网格，此处跳过避免误挂友方
+            if (config.timed_buff_id && config.buff_target !== BuffTarget.Enemy) {
                 // 汇总 buff 覆写参数：value 覆写修饰数值，duration 覆写持续时间
                 const buffOverrides: { value?: number; duration?: number } = {};
                 if (config.buff_value !== undefined) buffOverrides.value = config.buff_value;