dynmap/web/js/flatmap.js

87 lines
3.0 KiB
JavaScript

function FlatProjection() {}
FlatProjection.prototype = {
extrazoom: 0,
fromLatLngToPoint: function(latLng) {
return new google.maps.Point(latLng.lat()*config.tileWidth, latLng.lng()*config.tileHeight);
},
fromPointToLatLng: function(point) {
return new google.maps.LatLng(point.x/config.tileWidth, point.y/config.tileHeight);
},
fromWorldToLatLng: function(x, y, z) {
return new google.maps.LatLng(-z / config.tileWidth / (1 << this.extrazoom), x / config.tileHeight / (1 << this.extrazoom));
}
};
function FlatMapType(configuration) {
$.extend(this, configuration); }
FlatMapType.prototype = $.extend(new DynMapType(), {
constructor: FlatMapType,
projection: new FlatProjection(),
tileSize: new google.maps.Size(128.0, 128.0),
minZoom: 0,
maxZoom: 3,
prefix: null,
getTile: function(coord, zoom, doc) {
var tileSize = 128;
var imgSize;
var tileName;
var dnprefix = '';
if(this.dynmap.map.mapTypes[this.dynmap.map.mapTypeId].nightandday && this.dynmap.serverday)
dnprefix = '_day';
var extrazoom = this.dynmap.world.extrazoomout;
if(zoom < extrazoom) {
var scale = 1 << (extrazoom-zoom);
var zprefix = "zzzzzzzzzzzz".substring(0, extrazoom-zoom);
if(this.dynmap.world.bigworld)
tileName = this.prefix + dnprefix + '_128/' + ((scale*coord.x) >> 5) + '_' + ((scale*coord.y) >> 5) +
'/' + zprefix + "_" + (scale*coord.x) + '_' + (scale*coord.y) + '.png';
else
tileName = zprefix + this.prefix + dnprefix + '_128_' + (scale*coord.x) + '_' + (scale*coord.y) + '.png';
imgSize = 128;
}
else {
if(this.dynmap.world.bigworld)
tileName = this.prefix + dnprefix + '_128/' + (coord.x >> 5) + '_' + (coord.y >> 5) +
'/' + coord.x + '_' + coord.y + '.png';
else
tileName = this.prefix + dnprefix + '_128_' + coord.x + '_' + coord.y + '.png';
imgSize = Math.pow(2, 7+zoom-extrazoom);
}
var tile = $('<div/>')
.addClass('tile')
.css({
width: tileSize + 'px',
height: tileSize + 'px'
});
var img = $('<img/>')
.attr('src', this.dynmap.getTileUrl(tileName))
.error(function() { img.hide(); })
.bind('load', function() { img.show(); })
.css({
width: imgSize +'px',
height: imgSize + 'px',
borderStyle: 'none'
})
.hide()
.appendTo(tile);
this.dynmap.registerTile(this, tileName, img);
//this.dynmap.unregisterTile(this, tileName);
return tile.get(0);
},
updateTileSize: function(zoom) {
var size;
var extrazoom = this.dynmap.world.extrazoomout;
this.projection.extrazoom = extrazoom;
this.maxZoom = 3 + extrazoom;
if (zoom <= extrazoom) {
size = 128;
}
else {
size = Math.pow(2, 7+zoom-extrazoom);
}
this.tileSize = new google.maps.Size(size, size);
}
});
maptypes.FlatMapType = function(configuration) { return new FlatMapType(configuration); };