801ec3bf4c
If an exit zone is overlapping an audio zone, when exiting, the audio is stopped. We do this by actually triggering the fact that a user should "leave" all active zones when exiting.
301 lines
11 KiB
TypeScript
301 lines
11 KiB
TypeScript
import type { ITiledMap, ITiledMapLayer, ITiledMapProperty } from "../Map/ITiledMap";
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import { flattenGroupLayersMap } from "../Map/LayersFlattener";
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import TilemapLayer = Phaser.Tilemaps.TilemapLayer;
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import { DEPTH_OVERLAY_INDEX } from "./DepthIndexes";
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export type PropertyChangeCallback = (
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newValue: string | number | boolean | undefined,
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oldValue: string | number | boolean | undefined,
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allProps: Map<string, string | boolean | number>
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) => void;
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/**
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* A wrapper around a ITiledMap interface to provide additional capabilities.
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* It is used to handle layer properties.
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*/
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export class GameMap {
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private key: number | undefined;
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private lastProperties = new Map<string, string | boolean | number>();
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private callbacks = new Map<string, Array<PropertyChangeCallback>>();
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private tileNameMap = new Map<string, number>();
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private tileSetPropertyMap: { [tile_index: number]: Array<ITiledMapProperty> } = {};
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public readonly flatLayers: ITiledMapLayer[];
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public readonly phaserLayers: TilemapLayer[] = [];
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public exitUrls: Array<string> = [];
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public hasStartTile = false;
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public constructor(
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private map: ITiledMap,
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phaserMap: Phaser.Tilemaps.Tilemap,
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terrains: Array<Phaser.Tilemaps.Tileset>
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) {
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this.flatLayers = flattenGroupLayersMap(map);
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let depth = -2;
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for (const layer of this.flatLayers) {
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if (layer.type === "tilelayer") {
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this.phaserLayers.push(phaserMap.createLayer(layer.name, terrains, 0, 0).setDepth(depth));
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}
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if (layer.type === "objectgroup" && layer.name === "floorLayer") {
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depth = DEPTH_OVERLAY_INDEX;
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}
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}
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for (const tileset of map.tilesets) {
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tileset?.tiles?.forEach((tile) => {
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if (tile.properties) {
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this.tileSetPropertyMap[tileset.firstgid + tile.id] = tile.properties;
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tile.properties.forEach((prop) => {
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if (prop.name == "name" && typeof prop.value == "string") {
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this.tileNameMap.set(prop.value, tileset.firstgid + tile.id);
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}
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if (prop.name == "exitUrl" && typeof prop.value == "string") {
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this.exitUrls.push(prop.value);
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} else if (prop.name == "start") {
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this.hasStartTile = true;
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}
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});
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}
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});
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}
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}
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public getPropertiesForIndex(index: number): Array<ITiledMapProperty> {
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if (this.tileSetPropertyMap[index]) {
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return this.tileSetPropertyMap[index];
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}
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return [];
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}
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/**
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* Sets the position of the current player (in pixels)
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* This will trigger events if properties are changing.
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*/
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public setPosition(x: number, y: number) {
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const xMap = Math.floor(x / this.map.tilewidth);
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const yMap = Math.floor(y / this.map.tileheight);
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const key = xMap + yMap * this.map.width;
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if (key === this.key) {
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return;
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}
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this.key = key;
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this.triggerAll();
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}
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private triggerAll(): void {
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const newProps = this.getProperties(this.key ?? 0);
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const oldProps = this.lastProperties;
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this.lastProperties = newProps;
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// Let's compare the 2 maps:
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// First new properties vs oldProperties
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for (const [newPropName, newPropValue] of newProps.entries()) {
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const oldPropValue = oldProps.get(newPropName);
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if (oldPropValue !== newPropValue) {
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this.trigger(newPropName, oldPropValue, newPropValue, newProps);
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}
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}
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for (const [oldPropName, oldPropValue] of oldProps.entries()) {
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if (!newProps.has(oldPropName)) {
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// We found a property that disappeared
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this.trigger(oldPropName, oldPropValue, undefined, newProps);
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}
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}
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}
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public getCurrentProperties(): Map<string, string | boolean | number> {
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return this.lastProperties;
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}
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private getProperties(key: number): Map<string, string | boolean | number> {
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const properties = new Map<string, string | boolean | number>();
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for (const layer of this.flatLayers) {
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if (layer.type !== "tilelayer") {
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continue;
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}
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let tileIndex: number | undefined = undefined;
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if (layer.data) {
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const tiles = layer.data as number[];
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if (tiles[key] == 0) {
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continue;
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}
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tileIndex = tiles[key];
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}
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// There is a tile in this layer, let's embed the properties
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if (layer.properties !== undefined) {
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for (const layerProperty of layer.properties) {
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if (layerProperty.value === undefined) {
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continue;
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}
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properties.set(layerProperty.name, layerProperty.value);
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}
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}
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if (tileIndex) {
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this.tileSetPropertyMap[tileIndex]?.forEach((property) => {
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if (property.value) {
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properties.set(property.name, property.value);
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} else if (properties.has(property.name)) {
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properties.delete(property.name);
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}
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});
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}
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}
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return properties;
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}
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public getMap(): ITiledMap {
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return this.map;
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}
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private getTileProperty(index: number): Array<ITiledMapProperty> {
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if (this.tileSetPropertyMap[index]) {
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return this.tileSetPropertyMap[index];
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}
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return [];
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}
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private trigger(
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propName: string,
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oldValue: string | number | boolean | undefined,
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newValue: string | number | boolean | undefined,
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allProps: Map<string, string | boolean | number>
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) {
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const callbacksArray = this.callbacks.get(propName);
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if (callbacksArray !== undefined) {
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for (const callback of callbacksArray) {
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callback(newValue, oldValue, allProps);
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}
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}
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}
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/**
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* Registers a callback called when the user moves to a tile where the property propName is different from the last tile the user was on.
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*/
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public onPropertyChange(propName: string, callback: PropertyChangeCallback) {
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let callbacksArray = this.callbacks.get(propName);
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if (callbacksArray === undefined) {
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callbacksArray = new Array<PropertyChangeCallback>();
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this.callbacks.set(propName, callbacksArray);
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}
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callbacksArray.push(callback);
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}
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public findLayer(layerName: string): ITiledMapLayer | undefined {
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return this.flatLayers.find((layer) => layer.name === layerName);
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}
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public findPhaserLayer(layerName: string): TilemapLayer | undefined {
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return this.phaserLayers.find((layer) => layer.layer.name === layerName);
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}
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public findPhaserLayers(groupName: string): TilemapLayer[] {
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return this.phaserLayers.filter((l) => l.layer.name.includes(groupName));
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}
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public addTerrain(terrain: Phaser.Tilemaps.Tileset): void {
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for (const phaserLayer of this.phaserLayers) {
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phaserLayer.tileset.push(terrain);
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}
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}
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private putTileInFlatLayer(index: number, x: number, y: number, layer: string): void {
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const fLayer = this.findLayer(layer);
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if (fLayer == undefined) {
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console.error("The layer '" + layer + "' that you want to change doesn't exist.");
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return;
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}
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if (fLayer.type !== "tilelayer") {
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console.error(
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"The layer '" +
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layer +
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"' that you want to change is not a tilelayer. Tile can only be put in tilelayer."
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);
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return;
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}
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if (typeof fLayer.data === "string") {
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console.error("Data of the layer '" + layer + "' that you want to change is only readable.");
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return;
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}
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fLayer.data[x + y * fLayer.width] = index;
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}
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public putTile(tile: string | number | null, x: number, y: number, layer: string): void {
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const phaserLayer = this.findPhaserLayer(layer);
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if (phaserLayer) {
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if (tile === null) {
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phaserLayer.putTileAt(-1, x, y);
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return;
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}
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const tileIndex = this.getIndexForTileType(tile);
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if (tileIndex !== undefined) {
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this.putTileInFlatLayer(tileIndex, x, y, layer);
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const phaserTile = phaserLayer.putTileAt(tileIndex, x, y);
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for (const property of this.getTileProperty(tileIndex)) {
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if (property.name === "collides" && property.value) {
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phaserTile.setCollision(true);
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}
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}
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} else {
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console.error("The tile '" + tile + "' that you want to place doesn't exist.");
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}
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} else {
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console.error("The layer '" + layer + "' does not exist (or is not a tilelaye).");
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}
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}
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private getIndexForTileType(tile: string | number): number | undefined {
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if (typeof tile == "number") {
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return tile;
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}
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return this.tileNameMap.get(tile);
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}
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public setLayerProperty(
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layerName: string,
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propertyName: string,
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propertyValue: string | number | undefined | boolean
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) {
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const layer = this.findLayer(layerName);
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if (layer === undefined) {
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console.warn('Could not find layer "' + layerName + '" when calling setProperty');
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return;
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}
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if (layer.properties === undefined) {
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layer.properties = [];
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}
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const property = layer.properties.find((property) => property.name === propertyName);
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if (property === undefined) {
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if (propertyValue === undefined) {
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return;
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}
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layer.properties.push({ name: propertyName, type: typeof propertyValue, value: propertyValue });
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return;
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}
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if (propertyValue === undefined) {
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const index = layer.properties.indexOf(property);
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layer.properties.splice(index, 1);
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}
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property.value = propertyValue;
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this.triggerAll();
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}
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/**
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* Trigger all the callbacks (used when exiting a map)
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*/
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public triggerExitCallbacks(): void {
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const emptyProps = new Map<string, string | boolean | number>();
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for (const [oldPropName, oldPropValue] of this.lastProperties.entries()) {
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// We found a property that disappeared
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this.trigger(oldPropName, oldPropValue, undefined, emptyProps);
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}
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}
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}
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