102 lines
2.0 KiB
JavaScript
102 lines
2.0 KiB
JavaScript
import * as I from 'immutable';
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import {Trait} from '@avocado/entity';
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import {AFFINITY_PHYSICAL} from './constants';
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export class Damaging extends Trait {
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static defaultParams() {
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return {
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damagingSound: '',
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damageSpecs: [],
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};
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}
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static type() {
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return 'damaging';
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}
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constructor(entity, params, state) {
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super(entity, params, state);
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this._collidingWith = [];
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this._doesNotDamage = [];
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const damageSpecsJSON = this.params.damageSpecs;
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this._damageSpecs = damageSpecsJSON.map((damageSpec) => {
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return {
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affinity: AFFINITY_PHYSICAL,
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lock: 0.1,
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power: 0,
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variance: 0.2,
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...damageSpec,
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};
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});
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this._damagingSound = this.params.damagingSound;
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}
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doesNotDamageEntity(entity) {
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return -1 !== this._doesNotDamage.indexOf(entity);
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}
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get damageSpecs() {
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return this._damageSpecs;
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}
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get damagingSound() {
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return this._damagingSound;
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}
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tryDamagingEntity(entity) {
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if (this.doesNotDamageEntity(entity)) {
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return;
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}
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if (entity.is('vulnerable')) {
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if (!entity.isInvulnerable) {
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entity.takeDamageFrom(this.entity);
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}
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}
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}
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listeners() {
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const listeners = {};
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if (AVOCADO_SERVER) {
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listeners.collisionStart = (other) => {
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this.tryDamagingEntity(other);
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};
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}
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return listeners;
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}
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methods() {
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return {
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setDoesDamage: (entity) => {
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const index = this._doesNotDamage.indexOf(entity);
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if (-1 !== index) {
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this._doesNotDamage.splice(index, 1);
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}
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},
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setDoesNotDamage: (entity) => {
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if (-1 === this._doesNotDamage.indexOf(entity)) {
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this._doesNotDamage.push(entity);
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}
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},
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};
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}
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tick(elapsed) {
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if (AVOCADO_SERVER) {
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if (this.entity.is('collider')) {
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const isCollidingWith = this.entity.isCollidingWith;
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for (let i = 0; i < isCollidingWith.length; i++) {
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this.tryDamagingEntity(isCollidingWith[i]);
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}
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}
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}
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}
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}
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