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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 4x 4x 4x 4x 4x 1x 1x 3x 3x 3x 3x 3x 3x 3x 2x 2x 3x 3x 1x | import { isAttackComponent, isDamageableComponent, ComponentName } from "../components";
import { Actor, Entity } from "../entities";
import { World } from "../world";
import { System } from "./system";
export class DamageSystem extends System {
private readonly attacker: Actor;
private readonly target: Entity;
public constructor(attacker: Actor, target: Entity) {
super(new Map(), [ComponentName.DAMAGEABLE]);
this.attacker = attacker;
this.target = target;
}
public run(world: World): void {
const attack = this.attacker.getComponent(ComponentName.ATTACK);
const component = this.target.getComponent(ComponentName.DAMAGEABLE);
if (isAttackComponent(attack) && isDamageableComponent(component)) {
const remainingHitPoints = component.takeDamage(attack.getValue());
if (remainingHitPoints <= 0) {
world.removeEntity(this.target);
}
}
}
}
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