100 lines
2.3 KiB
JavaScript
100 lines
2.3 KiB
JavaScript
import * as I from 'immutable';
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import {compose} from '@avocado/core';
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import {create as createEntity, EntityList} from '@avocado/entity';
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import {EventEmitter, Property} from '@avocado/mixins';
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import {Synchronized} from '@avocado/state';
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import {Tiles} from './tiles';
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const decorate = compose(
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EventEmitter,
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Property('tilesetUri', {
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track: true,
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}),
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);
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export class Layer extends decorate(Synchronized) {
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constructor() {
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super();
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this.entityList = new EntityList();
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this.tiles = new Tiles();
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// Listeners.
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this.onEntityAddedToLayer = this.onEntityAddedToLayer.bind(this);
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this.onEntityRemovedFromLayer = this.onEntityRemovedFromLayer.bind(this);
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this.entityList.on('entityAdded', this.onEntityAddedToLayer);
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this.entityList.on('entityRemoved', this.onEntityRemovedFromLayer);
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this.onTileDataChanged = this.onTileDataChanged.bind(this);
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this.tiles.on('dataChanged', this.onTileDataChanged);
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}
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addEntity(entity) {
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this.entityList.addEntity(entity);
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}
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destroy() {
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this.entityList.destroy();
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this.entityList.off('entityAdded', this.onEntityAddedToLayer);
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this.entityList.off('entityRemoved', this.onEntityRemovedFromLayer);
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}
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findEntity(uuid) {
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return this.entityList.findEntity(uuid);
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}
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fromJSON(json) {
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if (json.entities) {
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json.entities.forEach((entityJSON) => {
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const entity = createEntity();
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this.entityList.addEntity(entity.fromJSON(entityJSON));
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});
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}
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if (json.tiles) {
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this.tiles.fromJSON(json.tiles)
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}
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if (json.tilesetUri) {
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this.tilesetUri = json.tilesetUri;
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}
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return this;
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}
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onEntityAddedToLayer(entity) {
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entity.addTrait('layered');
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entity.layer = this;
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this.emit('entityAdded', entity)
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}
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onEntityRemovedFromLayer(entity) {
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if (entity.is('layered')) {
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entity.removeTrait('layered');
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}
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this.emit('entityRemoved', entity);
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}
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onTileDataChanged() {
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this.emit('tileDataChanged');
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}
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removeEntity(entity) {
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this.entityList.removeEntity(entity);
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}
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setTileAt(x, y, tile) {
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this.tiles.setTileAt(x, y, tile);
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}
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synchronizedChildren() {
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return [
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'entityList',
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'tiles',
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'tilesetUri',
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];
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}
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visibleEntities(query) {
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return this.entityList.visibleEntities(query);
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}
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}
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