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Fixed hdmap tiling and LocationToLatLng

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FrozenCow 2011-07-18 03:40:24 +02:00
parent 674b92003c
commit 8b40a9761b
6 changed files with 136 additions and 152 deletions
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178
web/js/kzedmaps.js
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@ -1,130 +1,62 @@
function KzedProjection() {}
KzedProjection.prototype = {
extrazoom: 0,
fromLatLngToPoint: function(latLng) {
var x = latLng.lng() * config.tileWidth;
var y = latLng.lat() * config.tileHeight;
return new google.maps.Point(x, y);
},
fromPointToLatLng: function(point) {
var lng = point.x / config.tileWidth;
var lat = point.y / config.tileHeight;
return new google.maps.LatLng(lat, lng);
},
fromWorldToLatLng: function(x, y, z)
{
var dx = +x;
var dy = +y - 127;
var dz = +z;
var px = dx + dz;
var py = dx - dz - dy;
var scale = 2 << this.extrazoom;
var lng = -px / config.tileWidth / scale + (1.0 / scale);
var lat = py / config.tileHeight / scale;
return new google.maps.LatLng(lat, lng);
}
};
function KzedMapType(configuration) { $.extend(this, configuration); }
KzedMapType.prototype = $.extend(new DynMapType(), {
constructor: KzedMapType,
projection: new KzedProjection(),
tileSize: new google.maps.Size(128, 128),
minZoom: 0,
maxZoom: 3,
prefix: null,
getTile: function(coord, zoom, doc) {
var tileDebugText = null;
var tileSize = 128;
var tileName;
var imgSize;
var debugred;
var debugblue;
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 = 2 << this.options.extrazoom;
var lat = px / scale - 64;
var lng = py / scale;
return new L.LatLng(-lat, lng, true);
}
});
var KzedMapType = DynmapTileLayer.extend({
options: {
minZoom: 0,
maxZoom: 4
},
initialize: function(options) {
options.maxZoom = options.mapzoomin + options.world.extrazoomout;
L.Util.setOptions(this, options);
this.projection = new KzedProjection({extrazoom: this.options.world.extrazoomout});
},
getTileName: function(tilePoint, zoom) {
var tileSize = 128;
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 zpre = 'zzzzzzzzzzzzzzzz'.substring(0, extrazoom-zoom);
// Most zoomed out tiles.
tileSize = 128;
imgSize = tileSize;
if(this.options.nightandday && this.options.dynmap.serverday) {
dnprefix = '_day';
}
var extrazoom = this.options.world.extrazoomout;
if (zoom <= extrazoom) {
var zpre = 'zzzzzzzzzzzzzzzz'.substring(0, extrazoom-zoom);
// Most zoomed out tiles.
var tilescale = 2 << (extrazoom-zoom);
if (this.dynmap.map.mapTypes[this.dynmap.map.mapTypeId].bigmap) {
if (this.options.bigmap) {
if(zoom < extrazoom) zpre = zpre + '_';
tileName = 'z' + this.prefix + dnprefix + '/' + ((-coord.x * tileSize*tilescale)>>12) +
'_' + ((coord.y * tileSize*tilescale) >> 12) + '/' + zpre +
(-coord.x * tileSize*tilescale) + '_' + (coord.y * tileSize*tilescale) + '.png';
tileName = 'z' + this.options.prefix + dnprefix + '/' + ((-tilePoint.x * tileSize*tilescale)>>12) + '_' + ((tilePoint.y * tileSize*tilescale) >> 12) + '/' + zpre + (-tilePoint.x * tileSize*tilescale) + '_' + (tilePoint.y * tileSize*tilescale) + '.png';
} else {
tileName = zpre + 'z' + this.options.prefix + dnprefix + '_' + (-tilePoint.x * tileSize*tilescale) + '_' + (tilePoint.y * tileSize*tilescale) + '.png';
}
else {
tileName = zpre + 'z' + this.prefix + dnprefix + '_' + (-coord.x * tileSize*tilescale) + '_' + (coord.y * tileSize*tilescale) + '.png';
}
} else {
// Other zoom levels.
tileSize = 128;
imgSize = Math.pow(2, 6+zoom-extrazoom);
if(this.dynmap.map.mapTypes[this.dynmap.map.mapTypeId].bigmap) {
tileName = this.prefix + dnprefix + '/' + ((-coord.x*tileSize) >> 12) + '_' +
((coord.y*tileSize)>>12) + '/' +
(-coord.x*tileSize) + '_' + (coord.y*tileSize) + '.png';
} else {
if(this.options.bigmap) {
tileName = this.options.prefix + dnprefix + '/' + ((-tilePoint.x*tileSize) >> 12) + '_' + ((tilePoint.y*tileSize)>>12) + '/' + (-tilePoint.x*tileSize) + '_' + (tilePoint.y*tileSize) + '.png';
} else {
tileName = this.options.prefix + dnprefix + '_' + (-tilePoint.x*tileSize) + '_' + (tilePoint.y*tileSize) + '.png';
}
else {
tileName = this.prefix + dnprefix + '_' + (-coord.x*tileSize) + '_' + (coord.y*tileSize) + '.png';
}
}
var img;
var tile = $('<div/>')
.addClass('tile')
.css({
width: tileSize + 'px',
height: tileSize + 'px'
});
if (tileDebugText) {
$('<span/>')
.text(tileDebugText)
.css({
position: 'absolute',
color: 'red'
})
.appendTo(tile);
}
if (tileName) {
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);
} else {
this.dynmap.unregisterTile(this, tileName);
}
return tile.get(0);
},
updateTileSize: function(zoom) {
var size;
var extrazoom = this.dynmap.world.extrazoomout;
var mapzoomin = this.mapzoomin;
this.projection.extrazoom = extrazoom;
this.maxZoom = mapzoomin + extrazoom;
if (zoom <= extrazoom) {
size = 128;
} else {
size = Math.pow(2, 6+zoom-extrazoom);
}
this.tileSize = new google.maps.Size(size, size);
}
});
}
return tileName;
},
calculateTileSize: function(zoom) {
var extrazoomout = this.options.dynmap.world.extrazoomout;
return (zoom <= extrazoom)
? 128
: Math.pow(2, 6+zoom-extrazoomout);
}
});
maptypes.KzedMapType = function(configuration) { return new KzedMapType(configuration); };