701 lines
25 KiB
JavaScript
701 lines
25 KiB
JavaScript
// var def
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var map; // god of the overviewer... bow before the google api.
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var markerCollection = {}; // holds groups of markers
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var markersInit = false; // only have to load the markers once, this just makes sure we only do it once
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var regionCollection = {}; // holds groups of regions
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var regionsInit = false; // only have to load the regions once, this just makes sure we only do it once
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var prevInfoWindow = null;
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// add a popup info window to the marker and then the marker to the map.
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// marker is the clickable image on the map with all data.
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// item is just the same item in the markers.js
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function prepareSignMarker(marker, item) {
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var c = "<div class=\"infoWindow\"><img src=\"signpost.png\" /><p>" + item.msg.replace(/\n/g,"<br/>") + "</p></div>";
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var infowindow = new google.maps.InfoWindow({content: c
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});
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google.maps.event.addListener(marker, 'click', function() {
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if (prevInfoWindow)
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prevInfoWindow.close()
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infowindow.open(map,marker);
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prevInfoWindow = infowindow
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});
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}
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// reusable function for making drop down menus.
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// title = string
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// items = array
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function createDropDown(title, items) {
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var control = document.createElement("DIV");
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control.id = "customControl"; // let's let a style sheet do most of the styling here
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var controlText = document.createElement("DIV");
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controlText.innerHTML = title;
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var controlBorder = document.createElement("DIV");
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controlBorder.id="top";
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control.appendChild(controlBorder);
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controlBorder.appendChild(controlText);
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var dropdownDiv = document.createElement("DIV");
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dropdownDiv.id="dropDown";
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control.appendChild(dropdownDiv);
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dropdownDiv.innerHTML="";
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// add the functionality to toggle visibility of the items
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$(controlText).click(function() {
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$(dropdownDiv).toggle();
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});
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// add that control box we've made back to the map.
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map.controls[google.maps.ControlPosition.TOP_RIGHT].push(control);
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for (idx in items) {
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// create the visible elements of the item
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var item = items[idx];
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//console.log(item); // debug
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var d = document.createElement("div");
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var n = document.createElement("input");
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n.type="checkbox";
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// give it a name
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$(n).data("label",item.label);
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jQuery(n).click((function(local_idx, local_item) {
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return function(e) {
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item.action(local_idx, local_item, e.target.checked);
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};
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})(idx, item));
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// if its checked, its gotta do something, do that here.
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if (item.checked) {
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n.checked = true;
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item.action(idx, item.label, item.checked);
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}
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dropdownDiv.appendChild(d);
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d.appendChild(n)
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var textNode = document.createElement("text");
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if(item.icon) {
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textNode.innerHTML = "<img width='15' height='15' src='"+item.icon+"'>" + item.label + "<br/>";
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} else {
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textNode.innerHTML = item.label + "<br/>";
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}
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d.appendChild(textNode);
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}
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}
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function HomeControl(controlDiv, map) {
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controlDiv.style.padding = '5px';
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// Set CSS for the control border
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var control = document.createElement('DIV');
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control.id='top';
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control.title = 'Click to center the map on the Spawn';
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controlDiv.appendChild(control);
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// Set CSS for the control interior
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var controlText = document.createElement('DIV');
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controlText.innerHTML = 'Spawn';
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controlText.id='button';
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control.appendChild(controlText);
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// Setup the click event listeners: simply set the map to map center as definned below
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google.maps.event.addDomListener(control, 'click', function() {
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map.panTo(fromWorldToLatLng(config.center[0],
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config.center[1],
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config.center[2]));
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});
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}
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// need to define the controls including the compass and layer controls. top right!
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// input variables are for chumps... and reusable functions. this is neither.
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function drawMapControls() {
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// viewstate link (little link to where you're looking at the map, normally bottom left)
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var viewStateDiv = document.createElement('DIV');
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viewStateDiv.id="link";
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// add it to the map, bottom left.
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map.controls[google.maps.ControlPosition.BOTTOM_LEFT].push(viewStateDiv);
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// compass rose, in the top right corner
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var compassDiv = document.createElement('DIV');
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compassDiv.style.padding = '5px';
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var compassImg = document.createElement('IMG');
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compassImg.src="compass.png";
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compassDiv.appendChild(compassImg);
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compassDiv.index = 0;
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// add it to the map, top right.
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map.controls[google.maps.ControlPosition.TOP_RIGHT].push(compassDiv);
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// Spawn button
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var homeControlDiv = document.createElement('DIV');
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var homeControl = new HomeControl(homeControlDiv, map);
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homeControlDiv.id = "customControl";
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homeControlDiv.index = 1;
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map.controls[google.maps.ControlPosition.TOP_RIGHT].push(homeControlDiv);
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// only need to create the control if there are items in the list. as definned in config.js
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if (signGroups.length > 0) {
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// signpost display control
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var items = [];
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for (idx in signGroups) {
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var signGroup = signGroups[idx];
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var iconURL = signGroup.icon;
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if (!iconURL) { iconURL = 'signpost.png'; }
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items.push({
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"label": signGroup.label,
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"checked": signGroup.checked,
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"icon": iconURL,
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"action": function(n, item, checked) {
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jQuery.each(markerCollection[item.label], function(i,elem) {
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elem.setVisible(checked);
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});
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//alert(item.label);
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}
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});
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}
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createDropDown("Signposts", items);
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}
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// if there are any regions data, lets show the option to hide/show them.
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if (regionGroups.length > 0) {
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// region display control
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var items = [];
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for (idx in regionGroups) {
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var regionGroup = regionGroups[idx];
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items.push({
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"label": regionGroup.label,
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"checked": regionGroup.checked,
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"action": function(n, item, checked) {
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jQuery.each(regionCollection[item.label], function(i,elem) {
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elem.setMap(checked ? map : null); // Thanks to LeastWeasel for this line!
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});
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}
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});
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}
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createDropDown("Regions", items);
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}
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if (overlayMapTypes.length > 0) {
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// overlay maps control
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var items = [];
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for (idx in overlayMapTypes) {
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var overlay = overlayMapTypes[idx];
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items.push({"label": overlay.name, "checked": false, "overlay": overlay,
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"action": function(i, item, checked) {
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if (checked) {
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map.overlayMapTypes.push(item.overlay);
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} else {
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var idx_to_delete = -1;
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map.overlayMapTypes.forEach(function(e, j) {
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if (e == item.overlay) { idx_to_delete = j; }
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});
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if (idx_to_delete >= 0) {
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map.overlayMapTypes.removeAt(idx_to_delete);
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}
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}
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}});
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}
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createDropDown("Overlays", items);
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}
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}
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// will be recoded by pi, currently always displays all regions all the time.
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// parse the data as definned in the regions.js
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function initRegions() {
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if (regionsInit) { return; }
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regionsInit = true;
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for (i in regionGroups) {
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regionCollection[regionGroups[i].label] = [];
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}
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for (i in regionData) {
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var region = regionData[i];
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// pull all the points out of the regions file.
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var converted = new google.maps.MVCArray();
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var infoPoint = "";
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for (j in region.path) {
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var point = region.path[j];
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converted.push(fromWorldToLatLng(point.x, point.y, point.z));
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}
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for (idx in regionGroups) {
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var regionGroup = regionGroups[idx];
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var testfunc = regionGroup.match;
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var clickable = regionGroup.clickable
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var label = regionGroup.label;
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if(region.label) {
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var name = region.label
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} else {
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var name = 'rawr';
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clickable = false; // if it doesn't have a name, we dont have to show it.
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}
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if (region.closed) {
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var shape = new google.maps.Polygon({
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name: name,
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clickable: clickable,
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geodesic: false,
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map: null,
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strokeColor: region.color,
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strokeOpacity: region.opacity,
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strokeWeight: 2,
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fillColor: region.color,
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fillOpacity: region.opacity * 0.25,
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zIndex: i,
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paths: converted
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});
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} else {
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var shape = new google.maps.Polyline({
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name: name,
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clickable: clickable,
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geodesic: false,
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map: null,
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strokeColor: region.color,
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strokeOpacity: region.opacity,
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strokeWeight: 2,
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zIndex: i,
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path: converted
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});
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}
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regionCollection[label].push(shape);
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if (clickable) {
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// add the region infowindow popup
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infowindow = new google.maps.InfoWindow();
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google.maps.event.addListener(shape, 'click', function(e,i) {
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var contentString = "<b>Region: "+this.name+"</b><br />";
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contentString += "Clicked Location: <br />" + e.latLng.lat() + "," + e.latLng.lng() + "<br />";
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// Replace our Info Window's content and position
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infowindow.setContent(contentString);
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infowindow.setPosition(e.latLng);
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infowindow.open(map);
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});
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}
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}
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}
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}
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// will initalize all the markers data as found in markers.js
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// may need to be reviewed by agrif or someone else... little finicky right now.
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function initMarkers() {
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if (markersInit) { return; } // oh, we've already done this? nevermind, exit the function.
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markersInit = true; // now that we've started, dont have to do it twice.
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// first, give all collections an empty array to work with
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for (i in signGroups) {
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markerCollection[signGroups[i].label] = [];
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}
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for (i in markerData) {
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var item = markerData[i];
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// a default:
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var iconURL = '';
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if (item.type == 'spawn') {
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// don't filter spawn, always display
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iconURL = 'http://google-maps-icons.googlecode.com/files/home.png';
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var converted = fromWorldToLatLng(item.x, item.y, item.z);
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var marker = new google.maps.Marker({position: converted,
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map: map,
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title: jQuery.trim(item.msg),
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icon: iconURL
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});
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continue;
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}
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if (item.type == 'querypos') {
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// Set on page load if MC x/y/z coords are given in the query string
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iconURL = 'http://google-maps-icons.googlecode.com/files/regroup.png';
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var converted = fromWorldToLatLng(item.x, item.y, item.z);
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var marker = new google.maps.Marker({position: converted,
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map: map,
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title: jQuery.trim(item.msg),
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icon: iconURL
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});
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continue;
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}
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var matched = false;
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for (idx in signGroups) {
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var signGroup = signGroups[idx];
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var testfunc = signGroup.match;
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var label = signGroup.label;
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if (testfunc(item)) {
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matched = true;
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// can add custom types of images for externally definned item types, like 'command' here.
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if (item.type == 'sign') { iconURL = 'signpost_icon.png'; }
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//console.log(signGroup.icon); //debug
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if (signGroup.icon) { iconURL = signGroup.icon; }
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var converted = fromWorldToLatLng(item.x, item.y, item.z);
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var marker = new google.maps.Marker({position: converted,
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map: map,
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title: jQuery.trim(item.msg),
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icon: iconURL,
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visible: false
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});
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markerCollection[label].push(marker);
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if (item.type == 'sign') {
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prepareSignMarker(marker, item);
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}
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}
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}
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if (!matched) {
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// is this signpost doesn't match any of the groups in config.js, add it automatically to the "__others__" group
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if (item.type == 'sign') { iconURL = 'signpost_icon.png';}
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var converted = fromWorldToLatLng(item.x, item.y, item.z);
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var marker = new google.maps.Marker({position: converted,
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map: map,
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title: jQuery.trim(item.msg),
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icon: iconURL,
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visible: false
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});
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if (markerCollection["__others__"]) {
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markerCollection["__others__"].push(marker);
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} else {
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markerCollection["__others__"] = [marker];
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}
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if (item.type == 'sign') {
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prepareSignMarker(marker, item);
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}
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}
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}
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}
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// update the link in the viewstate.
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function makeLink() {
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var displayZoom = map.getZoom();
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if (displayZoom == config.maxZoom) {
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displayZoom = "max";
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} else {
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displayZoom -= config.maxZoom;
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}
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var xyz;
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var xyz = fromLatLngToWorld(map.getCenter().lat(), map.getCenter().lng());
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var a=location.href.substring(0,location.href.lastIndexOf(location.search))
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+ "?x=" + Math.floor(xyz.x)
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+ "&y=" + Math.floor(xyz.y)
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+ "&z=" + Math.floor(xyz.z)
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+ "&zoom=" + displayZoom;
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document.getElementById("link").innerHTML = a;
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}
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// load the map up and add all the functions relevant stuff to the map.
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function initialize() {
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var query = location.search.substring(1);
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var defaultCenter = fromWorldToLatLng(config.center[0],
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config.center[1],
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config.center[2]);
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var lat = defaultCenter.lat();
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var lng = defaultCenter.lng();
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var zoom = config.defaultZoom;
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var hasquerypos = false;
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var queryx = 0;
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var queryy = 64;
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var queryz = 0;
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var mapcenter;
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var pairs = query.split("&");
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for (var i=0; i<pairs.length; i++) {
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// break each pair at the first "=" to obtain the argname and value
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var pos = pairs[i].indexOf("=");
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var argname = pairs[i].substring(0,pos).toLowerCase();
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var value = pairs[i].substring(pos+1).toLowerCase();
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// process each possible argname
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if (argname == "lat") {lat = parseFloat(value);}
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if (argname == "lng") {lng = parseFloat(value);}
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if (argname == "zoom") {
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if (value == "max") {
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zoom = config.maxZoom;
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} else {
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zoom = parseInt(value);
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// If negative, treat as a "zoom out from max zoom" value
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if (zoom < 0) {zoom = config.maxZoom + zoom;}
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// If still negative, fall back to default zoom
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if (zoom < 0) {zoom = config.defaultZoom;}
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}
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}
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if (argname == "x") {queryx = parseFloat(value); hasquerypos = true;}
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if (argname == "y") {queryy = parseFloat(value); hasquerypos = true;}
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if (argname == "z") {queryz = parseFloat(value); hasquerypos = true;}
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}
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if (hasquerypos) {
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mapcenter = fromWorldToLatLng(queryx, queryy, queryz);
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// Add a market indicating the user-supplied position
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markerData.push({"msg": "Coordinates " + queryx + ", " + queryy + ", " + queryz, "y": queryy, "x": queryx, "z": queryz, "type": "querypos"})
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} else {
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mapcenter = new google.maps.LatLng(lat, lng);
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}
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var mapTyepControlToggle = false
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if (mapTypeIds.length > 1) {
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mapTyepControlToggle = true
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}
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var mapOptions = {
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zoom: zoom,
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center: mapcenter,
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navigationControl: true,
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scaleControl: false,
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mapTypeControl: mapTyepControlToggle,
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mapTypeControlOptions: {
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mapTypeIds: mapTypeIds
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},
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mapTypeId: mapTypeIdDefault,
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streetViewControl: false,
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};
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map = new google.maps.Map(document.getElementById('mcmap'), mapOptions);
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if(config.debug) {
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map.overlayMapTypes.insertAt(0, new CoordMapType(new google.maps.Size(config.tileSize, config.tileSize)));
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google.maps.event.addListener(map, 'click', function(event) {
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//console.log("latLng; " + event.latLng.lat() + ", " + event.latLng.lng());
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var pnt = map.getProjection().fromLatLngToPoint(event.latLng);
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//console.log("point: " + pnt);
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var pxx = pnt.x * config.tileSize * Math.pow(2, config.maxZoom);
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var pxy = pnt.y * config.tileSize * Math.pow(2, config.maxZoom);
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//console.log("pixel: " + pxx + ", " + pxy);
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});
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}
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// Now attach the coordinate map type to the map's registry
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for (idx in MCMapType) {
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map.mapTypes.set('mcmap' + MCMapType[idx].name, MCMapType[idx]);
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}
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// initialize the markers and regions
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initMarkers();
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initRegions();
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drawMapControls();
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//makeLink();
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// Make the link again whenever the map changes
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google.maps.event.addListener(map, 'zoom_changed', function() {
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makeLink();
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});
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google.maps.event.addListener(map, 'center_changed', function() {
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makeLink();
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});
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google.maps.event.addListener(map, 'maptypeid_changed', function() {
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var newType = map.getMapTypeId();
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for(i in mapTypeData) {
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if( 'mcmap' + mapTypeData[i].label == newType ) {
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$('#mcmap').css('background-color', mapTypeData[i].bg_color);
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break;
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}
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}
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});
|
|
// We can now set the map to use the 'coordinate' map type
|
|
map.setMapTypeId(mapTypeIdDefault);
|
|
}
|
|
|
|
|
|
// our custom projection maps Latitude to Y, and Longitude to X as normal,
|
|
// but it maps the range [0.0, 1.0] to [0, tileSize] in both directions
|
|
// so it is easier to position markers, etc. based on their position
|
|
// (find their position in the lowest-zoom image, and divide by tileSize)
|
|
function MCMapProjection() {
|
|
this.inverseTileSize = 1.0 / config.tileSize;
|
|
}
|
|
|
|
MCMapProjection.prototype.fromLatLngToPoint = function(latLng) {
|
|
var x = latLng.lng() * config.tileSize;
|
|
var y = latLng.lat() * config.tileSize;
|
|
return new google.maps.Point(x, y);
|
|
};
|
|
|
|
MCMapProjection.prototype.fromPointToLatLng = function(point) {
|
|
var lng = point.x * this.inverseTileSize;
|
|
var lat = point.y * this.inverseTileSize;
|
|
return new google.maps.LatLng(lat, lng);
|
|
};
|
|
|
|
// helper to get map LatLng from world coordinates
|
|
// takes arguments in X, Y, Z order
|
|
// (arguments are *out of order*, because within the function we use
|
|
// the axes like the rest of Minecraft Overviewer -- with the Z and Y
|
|
// flipped from normal minecraft usage.)
|
|
function fromWorldToLatLng(x, z, y)
|
|
{
|
|
// the width and height of all the highest-zoom tiles combined, inverted
|
|
var perPixel = 1.0 / (config.tileSize * Math.pow(2, config.maxZoom));
|
|
|
|
// This information about where the center column is may change with a different
|
|
// drawing implementation -- check it again after any drawing overhauls!
|
|
|
|
// point (0, 0, 127) is at (0.5, 0.0) of tile (tiles/2 - 1, tiles/2)
|
|
// so the Y coordinate is at 0.5, and the X is at 0.5 - ((tileSize / 2) / (tileSize * 2^maxZoom))
|
|
// or equivalently, 0.5 - (1 / 2^(maxZoom + 1))
|
|
var lng = 0.5 - (1.0 / Math.pow(2, config.maxZoom + 1));
|
|
var lat = 0.5;
|
|
|
|
// the following metrics mimic those in ChunkRenderer.chunk_render in "chunk.py"
|
|
// or, equivalently, chunk_render in src/iterate.c
|
|
|
|
// each block on X axis adds 12px to x and subtracts 6px from y
|
|
lng += 12 * x * perPixel;
|
|
lat -= 6 * x * perPixel;
|
|
|
|
// each block on Y axis adds 12px to x and adds 6px to y
|
|
lng += 12 * y * perPixel;
|
|
lat += 6 * y * perPixel;
|
|
|
|
// each block down along Z adds 12px to y
|
|
lat += 12 * (128 - z) * perPixel;
|
|
|
|
// add on 12 px to the X coordinate to center our point
|
|
lng += 12 * perPixel;
|
|
|
|
return new google.maps.LatLng(lat, lng);
|
|
}
|
|
|
|
// NOTE: X, Y and Z in this function are Minecraft world definitions
|
|
// (that is, X is horizontal, Y is altitude and Z is vertical).
|
|
function fromLatLngToWorld(lat, lng)
|
|
{
|
|
// Initialize world x/y/z object to be returned
|
|
var xyz = Array();
|
|
xyz.x = 0;
|
|
xyz.y = 64;
|
|
xyz.z = 0;
|
|
|
|
// the width and height of all the highest-zoom tiles combined, inverted
|
|
var perPixel = 1.0 / (config.tileSize * Math.pow(2, config.maxZoom));
|
|
|
|
// Revert base positioning
|
|
// See equivalent code in fromWorldToLatLng()
|
|
lng -= 0.5 - (1.0 / Math.pow(2, config.maxZoom + 1));
|
|
lat -= 0.5;
|
|
|
|
// I'll admit, I plugged this into Wolfram Alpha:
|
|
// a = (x * 12 * r) + (z * 12 * r), b = (z * 6 * r) - (x * 6 * r)
|
|
// And I don't know the math behind solving for for X and Z given
|
|
// A (lng) and B (lat). But Wolfram Alpha did. :) I'd welcome
|
|
// suggestions for splitting this up into long form and documenting
|
|
// it. -RF
|
|
xyz.x = (lng - 2 * lat) / (24 * perPixel)
|
|
xyz.z = (lng + 2 * lat) / (24 * perPixel)
|
|
|
|
// Adjust for the fact that we we can't figure out what Y is given
|
|
// only latitude and longitude, so assume Y=64.
|
|
xyz.x += 64 + 1;
|
|
xyz.z -= 64 + 2;
|
|
|
|
return xyz;
|
|
}
|
|
|
|
function getTileUrlGenerator(path, path_base, path_ext) {
|
|
return function(tile, zoom) {
|
|
var url = path;
|
|
var url_base = ( path_base ? path_base : '' );
|
|
if(tile.x < 0 || tile.x >= Math.pow(2, zoom) || tile.y < 0 || tile.y >= Math.pow(2, zoom)) {
|
|
url += '/blank';
|
|
} else if(zoom == 0) {
|
|
url += '/base';
|
|
} else {
|
|
for(var z = zoom - 1; z >= 0; --z) {
|
|
var x = Math.floor(tile.x / Math.pow(2, z)) % 2;
|
|
var y = Math.floor(tile.y / Math.pow(2, z)) % 2;
|
|
url += '/' + (x + 2 * y);
|
|
}
|
|
}
|
|
url = url + '.' + path_ext;
|
|
if(config.cacheMinutes > 0) {
|
|
var d = new Date();
|
|
url += '?c=' + Math.floor(d.getTime() / (1000 * 60 * config.cacheMinutes));
|
|
}
|
|
return(url_base + url);
|
|
}
|
|
}
|
|
|
|
var MCMapOptions = new Array;
|
|
var MCMapType = new Array;
|
|
var mapTypeIdDefault = null;
|
|
var mapTypeIds = [];
|
|
var overlayMapTypes = [];
|
|
for (idx in mapTypeData) {
|
|
var view = mapTypeData[idx];
|
|
var imgformat = view.imgformat ? view.imgformat : 'png';
|
|
|
|
MCMapOptions[view.label] = {
|
|
getTileUrl: getTileUrlGenerator(view.path, view.base, imgformat),
|
|
tileSize: new google.maps.Size(config.tileSize, config.tileSize),
|
|
maxZoom: config.maxZoom,
|
|
minZoom: 0,
|
|
isPng: !(imgformat.match(/^png$/i) == null)
|
|
};
|
|
|
|
MCMapType[view.label] = new google.maps.ImageMapType(MCMapOptions[view.label]);
|
|
MCMapType[view.label].name = view.label;
|
|
MCMapType[view.label].alt = "Minecraft " + view.label + " Map";
|
|
MCMapType[view.label].projection = new MCMapProjection();
|
|
|
|
if (view.overlay) {
|
|
overlayMapTypes.push(MCMapType[view.label]);
|
|
} else {
|
|
if (mapTypeIdDefault == null) {
|
|
mapTypeIdDefault = 'mcmap' + view.label;
|
|
}
|
|
mapTypeIds.push('mcmap' + view.label);
|
|
}
|
|
}
|
|
|
|
function CoordMapType() {
|
|
}
|
|
|
|
function CoordMapType(tileSize) {
|
|
this.tileSize = tileSize;
|
|
}
|
|
|
|
CoordMapType.prototype.getTile = function(coord, zoom, ownerDocument) {
|
|
var div = ownerDocument.createElement('DIV');
|
|
div.innerHTML = "(" + coord.x + ", " + coord.y + ", " + zoom + ")";
|
|
div.innerHTML += "<br />";
|
|
div.innerHTML += MCMapOptions.getTileUrl(coord, zoom);
|
|
div.style.width = this.tileSize.width + 'px';
|
|
div.style.height = this.tileSize.height + 'px';
|
|
div.style.fontSize = '10';
|
|
div.style.borderStyle = 'solid';
|
|
div.style.borderWidth = '1px';
|
|
div.style.borderColor = '#AAAAAA';
|
|
return div;
|
|
};
|