126 lines
5.3 KiB
TypeScript
126 lines
5.3 KiB
TypeScript
/**
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* BossPhaseSystem — Boss 多阶段战斗状态机。
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*
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* 检测混合触发条件（血量阈值 OR 在场时长），命中后执行阶段切换：
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* removes 移除旧技能 → adds 注入新技能（cd 兜底 + 资源预热）→ attr_mod 属性修正
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* → 空钩子 onPhaseExit/onPhaseEnter（演出后续迭代）→ 广播 GameEvent.BossPhaseChange
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*
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* Why: 独立系统符合 M/V/S 分层；filter 按 BossPhaseComp 过滤，每局 Boss 唯一，开销可忽略。
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* 计时在组件 elapsed（随 reset 归零），避免系统级计数在 per-entity update 中重复累加。
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*/
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import { Prefab } from "cc";
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import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
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import { oops } from "../../../../extensions/oops-plugin-framework/assets/core/Oops";
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import { smc } from "../common/SingletonModuleComp";
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import { GameEvent } from "../common/config/GameEvent";
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import { BossPhaseSet, PhaseSwitchDef } from "../common/config/BossPhaseSet";
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import { SkillSet } from "../common/config/SkillSet";
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import { mLogger } from "../common/Logger";
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import { HeroAttrsComp } from "./HeroAttrsComp";
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import { BossPhaseComp } from "./BossPhaseComp";
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/** 阶段模块调试日志开关 */
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const DEBUG = true;
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/** 新注入技能缺省 CD（秒），与 Mon.ts 大招注入兜底一致 */
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const DEFAULT_ADD_CD = 8;
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@ecs.register('BossPhaseSystem')
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export class BossPhaseSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
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filter(): ecs.IMatcher {
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return ecs.allOf(BossPhaseComp, HeroAttrsComp);
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}
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update(e: ecs.Entity): void {
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const phase = e.get(BossPhaseComp);
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const model = e.get(HeroAttrsComp);
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if (!phase || !model) return;
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// 战斗状态守卫（与 MoveComp/SCastSystem 同款模式）：暂停/未开战不计时
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if (!smc.mission.play || smc.mission.pause) return;
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// 死亡同帧守卫：防死尸换阶段
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if (model.is_dead) return;
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// P3 后不再检测（固定 3 阶段）
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if (phase.index >= 2) return;
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const plan = BossPhaseSet[phase.plan_id];
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if (!plan) return;
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phase.elapsed += this.dt;
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const def = plan.switches[phase.index];
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// 混合触发：任一条件满足即切换（血量实时计算，禁止缓存绝对值——hp_max 在 load 后被外部覆盖）
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const hpPct = model.hp / model.hp_max * 100;
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const hpHit = def.trigger.hp_pct !== undefined && hpPct <= def.trigger.hp_pct;
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const timeHit = def.trigger.time !== undefined && phase.elapsed >= def.trigger.time;
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if (hpHit || timeHit) {
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this.executePhaseSwitch(e, def);
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}
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}
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/**
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* 执行阶段切换：技能增量改写 + 属性修正 + 钩子与事件广播
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* Why 改 skills 而非施法系统过滤：与 _testSkills/RogueConfig.ults 动态注入同模式，
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* SCastSystem 零改动；施法闭包捕获 SkillSet 静态配置，进行中施法不受影响
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*/
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private executePhaseSwitch(e: ecs.Entity, def: PhaseSwitchDef): void {
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const phase = e.get(BossPhaseComp)!;
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const model = e.get(HeroAttrsComp)!;
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const from = phase.index;
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this.onPhaseExit(e);
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// 1. 移除旧技能（仅大招键；普攻首键受键序契约保护，见 BossPhaseSet 文件头注释）
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if (def.removes) {
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for (const s_uuid of def.removes) {
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delete model.skills[s_uuid];
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}
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}
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// 2. 注入新技能（cd 强制兜底，防 undefined → Math.min 结果 NaN 导致大招永不释放）
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if (def.adds) {
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for (const add of def.adds) {
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if (!add || !add.s_uuid || !SkillSet[add.s_uuid]) continue;
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model.skills[add.s_uuid] = {
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uuid: add.s_uuid,
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lv: 1,
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cd: add.cd ?? DEFAULT_ADD_CD,
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ccd: 0,
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overrides: add.overrides,
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};
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// 资源预热：新技能 prefab 首次异步加载会丢一发，切换时预载（路径与 Skill.load 对齐）
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oops.res.load(`game/skill/atk/${SkillSet[add.s_uuid].sp_name}`, Prefab);
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}
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}
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// 3. 属性修正：基于当前值链式乘算（P3 基于 P2 修正后的值，配置按此口径）
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const mod = def.attr_mod;
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if (mod) {
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if (mod.ap_pct) model.ap = Math.round(model.ap * (1 + mod.ap_pct / 100));
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if (mod.defense_pct) model.defense = Math.round(model.defense * (1 + mod.defense_pct / 100));
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}
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phase.index++;
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this.onPhaseEnter(e);
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mLogger.log(DEBUG, "BossPhase", `${model.hero_name} 阶段切换 P${from + 1}→P${phase.index + 1}（方案 ${phase.plan_id}）`);
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// 广播阶段切换（payload 用 eid 定位实体，防监听方持有已回收实体裸引用）
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oops.message.dispatchEvent(GameEvent.BossPhaseChange, {
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eid: e.eid,
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planId: phase.plan_id,
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fromPhase: from,
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toPhase: phase.index,
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});
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}
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/** TODO: 阶段退场表现（震屏/变暗等），后续迭代实现 */
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private onPhaseExit(e: ecs.Entity): void { }
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/** TODO: 阶段入场表现（怒吼/无敌帧/技能横幅等），后续迭代实现 */
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private onPhaseEnter(e: ecs.Entity): void { }
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}
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