mirror of
https://github.com/webbukkit/dynmap.git
synced 2024-11-09 04:02:23 +01:00
376 lines
10 KiB
JavaScript
376 lines
10 KiB
JavaScript
var DynmapProjection = L.Class.extend({
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initialize: function(options) {
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L.Util.setOptions(this, options);
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},
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fromLocationToLatLng: function(location) {
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throw "fromLocationToLatLng not implemented";
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},
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fromLatLngToLocation: function(location) {
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return null;
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}
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});
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if (!Array.prototype.indexOf) {
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Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
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"use strict";
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if (this === void 0 || this === null) {
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throw new TypeError();
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}
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var t = Object(this);
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var len = t.length >>> 0;
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if (len === 0) {
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return -1;
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}
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var n = 0;
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if (arguments.length > 0) {
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n = Number(arguments[1]);
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if (n !== n) { // shortcut for verifying if it's NaN
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n = 0;
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} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
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n = (n > 0 || -1) * Math.floor(Math.abs(n));
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}
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}
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if (n >= len) {
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return -1;
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}
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var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
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for (; k < len; k++) {
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if (k in t && t[k] === searchElement) {
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return k;
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}
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}
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return -1;
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}
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}
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var DynmapTileLayer = L.TileLayer.extend({
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_currentzoom: undefined,
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getProjection: function() {
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return this.projection;
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},
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onTileUpdated: function(tile, tileName) {
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var src = this.dynmap.getTileUrl(tileName);
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tile.attr('src', src);
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tile.show();
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},
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getTileName: function(tilePoint, zoom) {
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throw "getTileName not implemented";
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},
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getTileUrl: function(tilePoint, zoom) {
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var tileName = this.getTileName(tilePoint, zoom);
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var url = this._cachedTileUrls[tileName];
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if (!url) {
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this._cachedTileUrls[tileName] = url = this.options.dynmap.getTileUrl(tileName) + '?' + new Date().getUTCMilliseconds();
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}
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return url;
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},
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updateNamedTile: function(name) {
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var tile = this._namedTiles[name];
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delete this._cachedTileUrls[name];
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if (tile) {
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this.updateTile(tile);
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}
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},
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updateTile: function(tile) {
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this._loadTile(tile, tile.tilePoint, this._map.getZoom());
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},
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// Override to fix loads completing after layer removed
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_addTilesFromCenterOut: function(bounds) {
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if(this._container == null) // Ignore if we've stopped being active layer
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return;
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var queue = [],
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center = bounds.getCenter();
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for (var j = bounds.min.y; j <= bounds.max.y; j++) {
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for (var i = bounds.min.x; i <= bounds.max.x; i++) {
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if ((i + ':' + j) in this._tiles) { continue; }
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queue.push(new L.Point(i, j));
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}
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}
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// load tiles in order of their distance to center
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queue.sort(function(a, b) {
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return a.distanceTo(center) - b.distanceTo(center);
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});
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var fragment = document.createDocumentFragment();
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this._tilesToLoad = queue.length;
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for (var k = 0, len = this._tilesToLoad; k < len; k++) {
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this._addTile(queue[k], fragment);
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}
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this._container.appendChild(fragment);
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},
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//Copy and mod of Leaflet method - marked changes with Dynmap: to simplify reintegration
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_addTile: function(tilePoint, container) {
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var tilePos = this._getTilePos(tilePoint),
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zoom = this._map.getZoom(),
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key = tilePoint.x + ':' + tilePoint.y,
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name = this.getTileName(tilePoint, zoom), //Dynmap
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tileLimit = (1 << zoom);
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// wrap tile coordinates
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if (!this.options.continuousWorld) {
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if (!this.options.noWrap) {
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tilePoint.x = ((tilePoint.x % tileLimit) + tileLimit) % tileLimit;
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} else if (tilePoint.x < 0 || tilePoint.x >= tileLimit) {
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this._tilesToLoad--;
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return;
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}
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if (tilePoint.y < 0 || tilePoint.y >= tileLimit) {
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this._tilesToLoad--;
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return;
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}
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}
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// create tile
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var tile = this._createTile();
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tile.tileName = name; //Dynmap
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tile.tilePoint = tilePoint; //Dynmap
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L.DomUtil.setPosition(tile, tilePos);
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this._tiles[key] = tile;
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this._namedTiles[name] = tile; //Dynmap
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if (this.options.scheme == 'tms') {
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tilePoint.y = tileLimit - tilePoint.y - 1;
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}
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this._loadTile(tile, tilePoint, zoom);
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container.appendChild(tile);
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},
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_loadTile: function(tile, tilePoint, zoom) {
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var me = this;
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tile._layer = this;
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function done() {
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me._loadingTiles.splice(me._loadingTiles.indexOf(tile), 1);
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me._nextLoadTile();
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}
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tile.onload = function(e) {
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me._tileOnLoad.apply(this, [e]);
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done();
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}
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tile.onerror = function() {
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me._tileOnError.apply(this);
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done();
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}
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tile.loadSrc = function() {
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me._loadingTiles.push(tile);
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tile.src = me.getTileUrl(tilePoint, zoom);
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};
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this._loadQueue.push(tile);
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this._nextLoadTile();
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},
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_nextLoadTile: function() {
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if (this._loadingTiles.length > 4) { return; }
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var next = this._loadQueue.shift();
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if (!next) { return; }
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next.loadSrc();
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},
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_removeOtherTiles: function(bounds) {
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var kArr, x, y, key;
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for (key in this._tiles) {
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if (this._tiles.hasOwnProperty(key)) {
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kArr = key.split(':');
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x = parseInt(kArr[0], 10);
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y = parseInt(kArr[1], 10);
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// remove tile if it's out of bounds
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if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
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var tile = this._tiles[key];
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if (tile.parentNode === this._container) {
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this._container.removeChild(this._tiles[key]);
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}
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delete this._namedTiles[tile.tileName];
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delete this._tiles[key];
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}
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}
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}
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},
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_updateTileSize: function() {
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var newzoom = this._map.getZoom();
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if (this._currentzoom !== newzoom) {
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var newTileSize = this.calculateTileSize(newzoom);
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this._currentzoom = newzoom;
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if (newTileSize !== this.options.tileSize) {
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this.setTileSize(newTileSize);
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}
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}
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},
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_reset: function() {
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this._updateTileSize();
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this._tiles = {};
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this._namedTiles = {};
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this._loadQueue = [];
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this._loadingTiles = [];
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this._cachedTileUrls = {};
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this._initContainer();
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this._container.innerHTML = '';
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},
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_update: function() {
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this._updateTileSize();
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var bounds = this._map.getPixelBounds(),
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tileSize = this.options.tileSize;
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var nwTilePoint = new L.Point(
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Math.floor(bounds.min.x / tileSize),
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Math.floor(bounds.min.y / tileSize)),
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seTilePoint = new L.Point(
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Math.floor(bounds.max.x / tileSize),
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Math.floor(bounds.max.y / tileSize)),
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tileBounds = new L.Bounds(nwTilePoint, seTilePoint);
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this._addTilesFromCenterOut(tileBounds);
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if (this.options.unloadInvisibleTiles) {
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this._removeOtherTiles(tileBounds);
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}
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},
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/*calculateTileSize: function(zoom) {
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return this.options.tileSize;
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},*/
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calculateTileSize: function(zoom) {
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// zoomoutlevel: 0 when izoom > mapzoomin, else mapzoomin - izoom (which ranges from 0 till mapzoomin)
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var izoom = this.options.maxZoom - zoom;
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var zoominlevel = Math.max(0, this.options.mapzoomin - izoom);
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return 128 << zoominlevel;
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},
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setTileSize: function(tileSize) {
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this.options.tileSize = tileSize;
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this._tiles = {};
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this._createTileProto();
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},
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updateTileSize: function(zoom) {},
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// Some helper functions.
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zoomprefix: function(amount) {
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return 'zzzzzzzzzzzzzzzzzzzzzz'.substr(0, amount);
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},
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getTileInfo: function(tilePoint, zoom) {
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// zoom: max zoomed in = this.options.maxZoom, max zoomed out = 0
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// izoom: max zoomed in = 0, max zoomed out = this.options.maxZoom
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// zoomoutlevel: izoom < mapzoomin -> 0, else -> izoom - mapzoomin (which ranges from 0 till mapzoomout)
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var izoom = this.options.maxZoom - zoom;
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var zoomoutlevel = Math.max(0, izoom - this.options.mapzoomin);
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var scale = 1 << zoomoutlevel;
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var x = scale*tilePoint.x;
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var y = scale*tilePoint.y;
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return {
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prefix: this.options.prefix,
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nightday: (this.options.nightandday && this.options.dynmap.serverday) ? '_day' : '',
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scaledx: x >> 5,
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scaledy: y >> 5,
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zoom: this.zoomprefix(zoomoutlevel),
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zoomprefix: (zoomoutlevel==0)?"":(this.zoomprefix(zoomoutlevel)+"_"),
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x: x,
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y: y,
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fmt: this.options['image-format'] || 'png'
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};
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}
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});
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function loadjs(url, completed) {
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var script = document.createElement('script');
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script.setAttribute('src', url);
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script.setAttribute('type', 'text/javascript');
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var isloaded = false;
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script.onload = function() {
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if (isloaded) { return; }
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isloaded = true;
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completed();
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};
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// Hack for IE, don't know whether this still applies to IE9.
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script.onreadystatechange = function() {
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if (script.readyState == 'loaded' || script.readyState == 'complete')
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script.onload();
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};
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(document.head || document.getElementsByTagName('head')[0]).appendChild(script);
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}
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function loadcss(url, completed) {
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var script = document.createElement('link');
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script.setAttribute('href', url);
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script.setAttribute('rel', 'stylesheet');
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var isloaded = false;
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if (completed) {
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script.onload = function() {
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if (isloaded) { return; }
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isloaded = true;
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completed();
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};
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// Hack for IE, don't know whether this still applies to IE9.
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script.onreadystatechange = function() {
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script.onload();
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};
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}
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(document.head || document.getElementsByTagName('head')[0]).appendChild(script);
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}
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function splitArgs(s) {
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var r = s.split(' ');
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delete arguments[0];
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var obj = {};
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var index = 0;
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$.each(arguments, function(argumentIndex, argument) {
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if (!argumentIndex) { return; }
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var value = r[argumentIndex-1];
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obj[argument] = value;
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});
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return obj;
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}
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function swtch(value, options, defaultOption) {
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return (options[value] || defaultOption || function(){})(value);
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}
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(function( $ ){
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$.fn.scrollHeight = function(height) {
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return this[0].scrollHeight;
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};
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})($);
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function Location(world, x, y, z) {
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this.world = world;
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this.x = x;
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this.y = y;
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this.z = z;
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}
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function namedReplace(str, obj)
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{
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var startIndex = 0;
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var result = '';
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while(true) {
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var variableBegin = str.indexOf('{', startIndex);
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var variableEnd = str.indexOf('}', variableBegin+1);
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if (variableBegin < 0 || variableEnd < 0) {
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result += str.substr(startIndex);
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break;
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}
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if (variableBegin < variableEnd) {
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var variableName = str.substring(variableBegin+1, variableEnd);
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result += str.substring(startIndex, variableBegin);
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result += obj[variableName];
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} else /* found '{}' */ {
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result += str.substring(startIndex, variableBegin-1);
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result += '';
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}
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startIndex = variableEnd+1;
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}
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return result;
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} |