dynmap/web/js/kzedmaps.js

65 lines
2.0 KiB
JavaScript

var KzedProjection = DynmapProjection.extend({
fromLocationToLatLng: function(location) {
var dx = location.x;
var dy = location.y - 127;
var dz = location.z;
var px = dx + dz;
var py = dx - dz - dy;
var scale = 1 << this.options.mapzoomout;
var xx = (128 - px) / scale;
var yy = py / scale;
return new L.LatLng(xx, yy, true);
},
fromLatLngToLocation: function(latlon, y) {
var scale = 1 << this.options.mapzoomout;
var px = 128 - (latlon.lat * scale);
var py = latlon.lng * scale;
var x = (px + py + (y-127))/2;
var z = (px - x);
return { x: x, y: y, z: z };
}
});
var KzedMapType = DynmapTileLayer.extend({
options: {
minZoom: 0,
maxZoom: 4,
errorTileUrl: 'images/blank.png',
continuousWorld: true
},
initialize: function(options) {
options.maxZoom = options.mapzoomin + options.mapzoomout;
L.Util.setOptions(this, options);
this.projection = new KzedProjection({mapzoomout: this.options.mapzoomout});
},
getTileName: function(tilePoint, zoom) {
var info = this.getTileInfo(tilePoint, zoom);
return namedReplace(this.options.bigmap
? '{zprefix}{nightday}/{scaledx}_{scaledy}/{zoomprefix}{x}_{y}.png'
: '{zoom}{prefix}{nightday}_{x}_{y}.png'
, this.getTileInfo(tilePoint, zoom));
},
getTileInfo: function(tilePoint, zoom) {
// Custom tile-info-calculation for KzedMap: *128 and >>12
var izoom = this.options.maxZoom - zoom;
var zoomoutlevel = Math.max(0, izoom - this.options.mapzoomin);
var scale = 1 << zoomoutlevel;
var x = -scale*tilePoint.x*128;
var y = scale*tilePoint.y*128;
return {
prefix: this.options.prefix,
nightday: (this.options.nightandday && this.options.dynmap.serverday) ? '_day' : '',
scaledx: x >> 12,
scaledy: y >> 12,
zoom: this.zoomprefix(zoomoutlevel),
zoomprefix: (zoomoutlevel<2)?"":(this.zoomprefix(zoomoutlevel-1)+"_"),
zprefix: (zoomoutlevel==0)?this.options.prefix:("z"+this.options.prefix),
x: x,
y: y
};
}
});
maptypes.KzedMapType = function(configuration) { return new KzedMapType(configuration); };