rsemcs/dynmap/web/js/hdmap.js

56 lines
1.8 KiB
JavaScript

var HDProjection = DynmapProjection.extend({
fromLocationToLatLng: function(location) {
var wtp = this.options.worldtomap;
lat = wtp[3] * location.x + wtp[4] * location.y + wtp[5] * location.z,
lng = wtp[0] * location.x + wtp[1] * location.y + wtp[2] * location.z;
return new L.LatLng(
-(((128 << this.options.tilescale) - lat) / (1 << this.options.mapzoomout))
, lng / (1 << this.options.mapzoomout)
, location.y);
},
fromLatLngToLocation: function(latlon, y) {
var ptw = this.options.maptoworld,
lat = (128 << this.options.tilescale) + latlon.lat * (1 << this.options.mapzoomout),
lng = latlon.lng * (1 << this.options.mapzoomout),
x = ptw[0] * lng + ptw[1] * lat + ptw[2] * y,
z = ptw[6] * lng + ptw[7] * lat + ptw[8] * y;
return { x: x, y: y, z: z };
}
});
var HDMapType = DynmapTileLayer.extend({
projection: undefined,
options: {
minZoom: 0,
errorTileUrl: 'images/blank.png',
zoomReverse: true,
},
initialize: function(options) {
options.maxZoom = options.mapzoomin + options.mapzoomout;
options.maxNativeZoom = options.mapzoomout;
options.tileSize = 128 << (options.tilescale || 0);
this.projection = new HDProjection($.extend({map: this}, options));
L.Util.setOptions(this, options);
DynmapTileLayer.prototype.initialize.call(this, options);
},
getTileName: function(coords) {
var info = this.getTileInfo(coords);
// Y is inverted for HD-map.
info.y = -info.y;
info.scaledy = info.y >> 5;
return namedReplace('{prefix}{nightday}/{scaledx}_{scaledy}/{zoom}{x}_{y}.{fmt}', info);
},
zoomprefix: function(amount) {
// amount == 0 -> ''
// amount == 1 -> 'z_'
// amount == 2 -> 'zz_'
return 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz'.substr(0, amount) + (amount === 0 ? '' : '_');
}
});
maptypes.HDMapType = function(options) { return new HDMapType(options); };