45 lines
1.1 KiB
TypeScript
45 lines
1.1 KiB
TypeScript
import { EntityNames, Player } from '.';
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import type { Component } from '../components';
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export abstract class Entity {
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public id: string;
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public components: Map<string, Component>;
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public name: string;
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constructor(name: string, id: string = crypto.randomUUID()) {
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this.name = name;
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this.id = id;
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this.components = new Map();
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}
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public addComponent(component: Component) {
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this.components.set(component.name, component);
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}
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public getComponent<T extends Component>(name: string): T {
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if (!this.hasComponent(name)) {
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throw new Error('Entity does not have component ' + name);
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}
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return this.components.get(name) as T;
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}
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public getComponents(): Component[] {
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return Array.from(this.components.values());
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}
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public hasComponent(name: string): boolean {
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return this.components.has(name);
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}
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static from(entityName: string, args: any): Entity {
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switch (entityName) {
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case EntityNames.Player:
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const player = new Player(args.playerId);
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player.id = args.id;
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return player;
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default:
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throw new Error('.from() Entity type not implemented: ' + entityName);
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}
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}
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}
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