mirror of
https://github.com/webbukkit/dynmap.git
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90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
function HDProjection() {}
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HDProjection.prototype = {
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extrazoom: 0,
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worldtomap: null,
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fromLatLngToPoint: function(latLng) {
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return new google.maps.Point(latLng.lng()*config.tileWidth, latLng.lat()*config.tileHeight);
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},
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fromPointToLatLng: function(point) {
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return new google.maps.LatLng( point.y/config.tileHeight, point.x/config.tileWidth);
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},
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fromWorldToLatLng: function(x, y, z) {
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var wtp = this.worldtomap;
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var xx = wtp[0]*x + wtp[1]*y + wtp[2]*z;
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var yy = wtp[3]*x + wtp[4]*y + wtp[5]*z;
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return new google.maps.LatLng( (1 - (yy / config.tileHeight)) / (1 << this.extrazoom), xx / config.tileWidth / (1 << this.extrazoom));
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}
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};
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function HDMapType(configuration) {
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$.extend(this, configuration); }
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HDMapType.prototype = $.extend(new DynMapType(), {
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constructor: HDMapType,
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projection: new HDProjection(),
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tileSize: new google.maps.Size(128.0, 128.0),
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minZoom: 0,
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maxZoom: 2,
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prefix: null,
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getTile: function(coord, zoom, doc) {
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var tileSize = 128;
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var imgSize;
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var tileName;
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var dnprefix = '';
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var map = this.dynmap.map.mapTypes[this.dynmap.map.mapTypeId];
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if(map.nightandday && this.dynmap.serverday)
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dnprefix = '_day';
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var extrazoom = map.mapzoomout;
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if(zoom < extrazoom) {
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var scale = 1 << (extrazoom-zoom);
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var zprefix = "zzzzzzzzzzzzzzzzzzzzzz".substring(0, extrazoom-zoom);
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tileName = this.prefix + dnprefix + '/' + ((scale*coord.x) >> 5) + '_' + ((-scale*coord.y) >> 5) +
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'/' + zprefix + "_" + (scale*coord.x) + '_' + (-scale*coord.y) + '.png';
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imgSize = 128;
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}
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else {
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tileName = this.prefix + dnprefix + '/' + (coord.x >> 5) + '_' + ((-coord.y) >> 5) +
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'/' + coord.x + '_' + (-coord.y) + '.png';
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imgSize = Math.pow(2, 7+zoom-extrazoom);
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}
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var tile = $('<div/>')
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.addClass('tile')
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.css({
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width: tileSize + 'px',
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height: tileSize + 'px'
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});
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var img = $('<img/>')
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.attr('src', this.dynmap.getTileUrl(tileName))
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.error(function() { img.hide(); })
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.bind('load', function() { img.show(); })
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.css({
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width: imgSize +'px',
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height: imgSize + 'px',
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borderStyle: 'none'
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})
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.hide()
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.appendTo(tile);
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this.dynmap.registerTile(this, tileName, img);
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//this.dynmap.unregisterTile(this, tileName);
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return tile.get(0);
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},
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updateTileSize: function(zoom) {
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var size;
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var extrazoom = this.mapzoomout;
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var mapzoomin = this.mapzoomin;
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this.projection.extrazoom = extrazoom;
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this.projection.worldtomap = this.worldtomap;
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this.maxZoom = mapzoomin + extrazoom;
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if (zoom <= extrazoom) {
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size = 128;
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}
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else {
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size = Math.pow(2, 7+zoom-extrazoom);
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}
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this.tileSize = new google.maps.Size(size, size);
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}
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});
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maptypes.HDMapType = function(configuration) { return new HDMapType(configuration); }; |