Nikolay Tatarinov
82cb8a13f5
- Updated the backend documentation in CONTRIBUTING.md and README.md to reflect changes in application structure and API endpoints. - Enhanced the frontend components in MapView.vue for better handling of context menu actions. - Added new types and interfaces in TypeScript for improved type safety in the frontend. - Introduced new utility classes for managing characters and markers in the map. - Updated .gitignore to include .vscode directory for better development environment management.
85 lines
2.5 KiB
TypeScript
85 lines
2.5 KiB
TypeScript
import L, { Util, Browser } from 'leaflet'
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interface SmartTileLayerCache {
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[key: string]: number | undefined
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}
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export const SmartTileLayer = L.TileLayer.extend({
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cache: {} as SmartTileLayerCache,
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invalidTile: '',
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map: 0,
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getTileUrl(coords: { x: number; y: number; z: number }) {
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if (!this._map) return this.invalidTile
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let zoom
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try {
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zoom = this._getZoomForUrl()
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} catch {
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return this.invalidTile
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}
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return this.getTrueTileUrl(coords, zoom)
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},
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getTrueTileUrl(coords: { x: number; y: number }, zoom: number) {
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const data: Record<string, string | number | undefined> = {
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r: Browser.retina ? '@2x' : '',
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s: this._getSubdomain(coords),
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x: coords.x,
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y: coords.y,
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map: this.map,
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z: zoom,
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}
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if (this._map && !this._map.options.crs.infinite) {
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const invertedY = this._globalTileRange.max.y - coords.y
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if (this.options.tms) {
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data.y = invertedY
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}
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data['-y'] = invertedY
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}
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const cacheKey = `${data.map}:${data.x}:${data.y}:${data.z}`
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data.cache = this.cache[cacheKey]
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// Don't request tiles for invalid/unknown map (avoids 404 spam in console)
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const mapId = Number(data.map)
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if (data.map === undefined || data.map === null || mapId < 1) {
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return this.invalidTile
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}
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// Only use placeholder when server explicitly marks tile as invalid (-1)
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if (data.cache === -1) {
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return this.invalidTile
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}
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// Allow tile request when map is valid even if SSE snapshot hasn't arrived yet
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// (avoids empty map when proxy/SSE delays or drops first message)
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if (data.cache === undefined || data.cache === null) {
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data.cache = 0
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}
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return Util.template(this._url, Util.extend(data, this.options))
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},
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refresh(x: number, y: number, z: number) {
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let zoom = z
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const maxZoom = this.options.maxZoom
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const zoomReverse = this.options.zoomReverse
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const zoomOffset = this.options.zoomOffset
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if (zoomReverse) {
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zoom = maxZoom - zoom
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}
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zoom += zoomOffset
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const key = `${x}:${y}:${zoom}`
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const tile = this._tiles[key]
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if (tile) {
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tile.el.src = this.getTrueTileUrl({ x, y }, z)
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}
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},
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}) as unknown as new (urlTemplate: string, options?: L.TileLayerOptions) => L.TileLayer & {
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cache: SmartTileLayerCache
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invalidTile: string
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map: number
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getTrueTileUrl: (coords: { x: number; y: number }, zoom: number) => string
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refresh: (x: number, y: number, z: number) => void
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}
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