All files / patterns/src/ecs entity.ts

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import { ComponentInterface } from "./component";
 
export interface EntityInterface {
    getId(): string;
    getComponent(name: string): ComponentInterface | undefined;
    getComponents(): Map<string, ComponentInterface>;
    addComponent(component: ComponentInterface): void;
    removeComponent(component: ComponentInterface): void;
    hasComponent(name: string): boolean;
}
 
export class Entity implements EntityInterface {
    protected id: string;
 
    protected components: Map<string, ComponentInterface>;
 
    public constructor(id: string) {
        this.id = id;
        this.components = new Map<string, ComponentInterface>();
    }
 
    public getId(): string {
        return this.id;
    }
 
    public getComponents(): Map<string, ComponentInterface> {
        return this.components;
    }
 
    public getComponent(name: string): ComponentInterface | undefined {
        return this.components.get(name);
    }
 
    public addComponent(component: ComponentInterface): Map<string, ComponentInterface> {
        return this.components.set(component.getName(), component);
    }
 
    public removeComponent(component: ComponentInterface): boolean {
        if (this.components.has(component.getName())) {
            return this.components.delete(component.getName());
        }
 
        return true;
    }
 
    public hasComponent(name: string): boolean {
        return this.components.has(name);
    }
}