95 lines
2.6 KiB
JavaScript
95 lines
2.6 KiB
JavaScript
import {Container, Sprite} from '@avocado/graphics';
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import {Vector} from '@avocado/math';
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import {BodyView} from '@avocado/physics';
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import {Layer} from './layer';
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import {TilesRenderer} from './tiles-renderer';
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export class LayerView extends Container {
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constructor(layer, renderer) {
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super();
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this.layer = layer;
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this.entityContainer = new Container();
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this.layerContainer = new Container();
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this.tileGeometryContainer = new Container();
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this._renderer = renderer;
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this.tileGeometryViews = [];
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// Handle entity add/remove.
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layer.on('entityAdded', this.onLayerEntityAdded, this);
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layer.on('entityRemoved', this.onLayerEntityRemoved, this);
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for (const entity of layer.entityList) {
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this.onLayerEntityAdded(entity);
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}
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layer.on('tileDataChanged', this.onLayerTileDataChanged, this);
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layer.on('tileGeometryChanged', this.onLayerTileGeometryChanged, this);
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layer.on('tilesetChanged', this.onLayerTilesetChanged, this);
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this.addChild(this.layerContainer);
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this.addChild(this.entityContainer);
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this.addChild(this.tileGeometryContainer);
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}
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destroy() {
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super.destroy();
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layer.off('entityAdded', this.onLayerEntityAdded);
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layer.off('entityRemoved', this.onLayerEntityRemoved);
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layer.off('tileDataChanged', this.onLayerTileDataChanged);
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layer.off('tilesetChanged', this.onLayerTilesetChanged);
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this.destroyTileGeometryBodies();
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}
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destroyTileGeometryBodies() {
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for (const view of this.tileGeometryViews) {
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view.destroy();
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}
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this.tileGeometryViews = [];
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}
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onLayerEntityAdded(entity) {
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if ('container' in entity) {
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this.entityContainer.addChild(entity.container);
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}
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}
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onLayerEntityRemoved(entity) {
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if ('container' in entity) {
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this.entityContainer.removeChild(entity.container);
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}
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}
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onLayerTileDataChanged() {
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this.render();
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}
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onLayerTileGeometryChanged() {
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this.destroyTileGeometryBodies();
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for (const body of this.layer.tileGeometry) {
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const bodyView = new BodyView(body);
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this.tileGeometryViews.push(bodyView);
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this.tileGeometryContainer.addChild(bodyView);
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}
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}
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onLayerTilesetChanged() {
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this.render();
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}
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render() {
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this.layerContainer.removeAllChildren();
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if (!this._renderer) {
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return;
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}
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if (!this.layer.tileset) {
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return;
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}
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if (Vector.isZero(this.layer.tiles.size)) {
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return;
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}
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const tilesRenderer = new TilesRenderer(this.layer.tiles, this.layer.tileset);
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const chunk = tilesRenderer.renderChunk(this._renderer);
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const tilesSprite = new Sprite(chunk);
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this.layerContainer.addChild(tilesSprite);
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}
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}
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