@occultus/entity-api/src/api/base/BossServer.ts

Star Tenon entity api and utils

import {
  Entity,
  EntitySpawnAfterEvent,
  Player,
  system,
  world,
} from "@minecraft/server";
import { Boss } from "../Boss";

export class BossServer {
  private boss = new Map<string, Boss>();
  private registriesBoss(entity: Entity) {
    if (!this.boss.get(entity.typeId)) return;
    const boss = this.boss.get(entity.typeId)!;
    entity.setDynamicProperty("occultus:start_skill", true);
    for (const skill of boss.skills) {
      const handle = system.runInterval(() => {
        skill.execute(entity);
      }, skill.cooldownTime);
      world.afterEvents.entityDie.subscribe((event) => {
        if (event.deadEntity.id === entity.id) {
          system.clearRun(handle);
        }
      });
      world.afterEvents.entityRemove.subscribe((event) => {
        if (event.removedEntityId === entity.id) {
          system.clearRun(handle);
        }
      });
    }
  }
  private registriesMusic(entity: Entity) {
    if (!this.boss.get(entity.typeId)) return;
    const boss = this.boss.get(entity.typeId)!;
    if (!boss.music) return;
    const music = boss.music;
    const players: Player[] = [];
    for (const aroundEntity of entity.dimension.getEntities({
      location: entity.location,
      minDistance: 0,
      maxDistance: music.radius,
    })) {
      if (aroundEntity instanceof Player) {
        aroundEntity.playMusic(music.trackId, { loop: true });
        players.push(aroundEntity);
      }
    }
    world.afterEvents.entityDie.subscribe((event) => {
      if (event.deadEntity.id === entity.id) {
        for (const player of players) {
          player.stopMusic();
        }
      }
    });
    world.afterEvents.entityRemove.subscribe((event) => {
      if (event.removedEntityId === entity.id) {
        for (const player of players) {
          player.stopMusic();
        }
      }
    });
  }
  private startUp() {
    world.afterEvents.entityDie.subscribe((event) => {
      const { deadEntity } = event;
      if (this.boss.has(deadEntity.id)) {
        const boss = this.boss.get(deadEntity.id)!;
        if (!boss.dieEvent) {
          return;
        }
        boss.dieEvent(event);
      }
    });
    world.afterEvents.entitySpawn.subscribe((event) => {
      const entity = event.entity;
      this.registriesBoss(entity);
      this.registriesMusic(entity);
    });
    world.afterEvents.entityLoad.subscribe((event) => {
      const entity = event.entity;
      this.registriesBoss(entity);
      this.registriesMusic(entity);
    });
  }
  constructor() {
    this.startUp();
  }
  addBoss(boss: Boss) {
    this.boss.set(boss.typeId, boss);
  }
}