47 lines
1.2 KiB
TypeScript
47 lines
1.2 KiB
TypeScript
import { type Component } from "../components";
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export abstract class Entity {
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static Id = 0;
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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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protected hooks: Map<string, { add: Function; remove: Function }>;
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constructor(name: string, id: string = (Entity.Id++).toString()) {
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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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this.hooks = new Map();
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}
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public addComponent(component: Component) {
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const hadBeforeSet = this.components.has(component.name);
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this.components.set(component.name, component);
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if (!hadBeforeSet) {
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this.hooks.get(component.name)?.add();
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}
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}
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public removeComponent(name: string) {
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this.components.delete(name);
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this.hooks.get(name)?.remove();
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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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}
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