49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
import Component from '@/ecs/component.js';
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export const DamageTypes = {
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PAIN: 0,
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HEALING: 1,
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MANA: 2,
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};
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export default class Vulnerable extends Component {
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mergeDiff(original, update) {
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const merged = {};
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if (update.damage) {
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merged.damage = {
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...original.damage,
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...update.damage,
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}
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}
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return merged;
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}
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instanceFromSchema() {
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const Component = this;
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return class VulnerableInstance extends super.instanceFromSchema() {
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id = 0;
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Types = DamageTypes;
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damage(specification) {
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if (this.isInvulnerable) {
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return;
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}
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const {Alive} = Component.ecs.get(this.entity);
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if (Alive) {
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switch (specification.type) {
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case DamageTypes.PAIN: {
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Alive.acceptDamage(specification.amount);
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}
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}
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}
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Component.markChange(
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this.entity,
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'damage',
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{[`${this.entity}-${this.id++}`]: specification},
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);
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}
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};
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}
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static properties = {
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isInvulnerable: {type: 'uint8'},
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};
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}
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