2013-02-01 13:11:14 +01:00

264 lines
8.6 KiB
JavaScript

// MAP DATA //////////////////////////////////////////////////////////
// these functions handle how and which entities are displayed on the
// map. They also keep them up to date, unless interrupted by user
// action.
// sets the timer for the next auto refresh. Ensures only one timeout
// is queued. May be given 'override' in milliseconds if time should
// not be guessed automatically. Especially useful if a little delay
// is required, for example when zooming.
window.startRefreshTimeout = function(override) {
if(refreshTimeout) clearTimeout(refreshTimeout);
if(override) {
console.log('refreshing in ' + override + 'ms');
refreshTimeout = setTimeout(window.requestData, override);
return;
}
var t = REFRESH*1000;
var adj = ZOOM_LEVEL_ADJ * (18 - window.map.getZoom());
if(adj > 0) t += adj*1000;
console.log("next auto refresh in " + t/1000 + " seconds.");
refreshTimeout = setTimeout(window.requestData, t);
}
// requests map data for current viewport. For details on how this
// works, refer to the description in “MAP DATA REQUEST CALCULATORS”
window.requestData = function() {
if(window.idleTime >= MAX_IDLE_TIME) {
console.log('user has been idle for ' + idleTime + ' minutes. Skipping refresh.');
renderUpdateStatus();
return;
}
console.log('refreshing data');
requests.abort();
cleanUp();
var magic = convertCenterLat(map.getCenter().lat);
var R = calculateR(magic);
var bounds = map.getBounds();
// convert to point values
topRight = convertLatLngToPoint(bounds.getNorthEast(), magic, R);
bottomLeft = convertLatLngToPoint(bounds.getSouthWest() , magic, R);
// how many quadrants intersect the current view?
quadsX = Math.abs(bottomLeft.x - topRight.x);
quadsY = Math.abs(bottomLeft.y - topRight.y);
// will group requests by second-last quad-key quadrant
tiles = {};
// walk in x-direction, starts right goes left
for(var i = 0; i <= quadsX; i++) {
var x = Math.abs(topRight.x - i);
var qk = pointToQuadKey(x, topRight.y);
var bnds = convertPointToLatLng(x, topRight.y, magic, R);
if(!tiles[qk.slice(0, -1)]) tiles[qk.slice(0, -1)] = [];
tiles[qk.slice(0, -1)].push(generateBoundsParams(qk, bnds));
// walk in y-direction, starts top, goes down
for(var j = 1; j <= quadsY; j++) {
var qk = pointToQuadKey(x, topRight.y + j);
var bnds = convertPointToLatLng(x, topRight.y + j, magic, R);
if(!tiles[qk.slice(0, -1)]) tiles[qk.slice(0, -1)] = [];
tiles[qk.slice(0, -1)].push(generateBoundsParams(qk, bnds));
}
}
// finally send ajax requests
$.each(tiles, function(ind, tls) {
data = { minLevelOfDetail: -1 };
data.boundsParamsList = tls;
window.requests.add(window.postAjax('getThinnedEntitiesV2', data, window.handleDataResponse));
});
}
// works on map data response and ensures entities are drawn/updated.
window.handleDataResponse = function(data, textStatus, jqXHR) {
// remove from active ajax queries list
window.requests.remove(jqXHR);
if(!data || !data.result) {
console.warn(data);
return;
}
var portalUpdateAvailable = false;
var m = data.result.map;
$.each(m, function(qk, val) {
$.each(val.deletedGameEntityGuids, function(ind, guid) {
window.removeByGuid(guid);
});
$.each(val.gameEntities, function(ind, ent) {
// ent = [GUID, id(?), details]
// format for links: { controllingTeam, creator, edge }
// format for portals: { controllingTeam, turret }
if(ent[2].turret !== undefined) {
if(selectedPortal == ent[0]) portalUpdateAvailable = true;
portalsDetail[ent[0]] = ent[2];
// immediately render portal details if selected by URL
if(urlPortal && ent[0] == urlPortal && !selectedPortal) {
urlPortal = null; // only pre-select it once
window.renderPortalDetails(ent[0]);
}
renderPortal(ent);
} else if(ent[2].edge !== undefined)
renderLink(ent);
else if(ent[2].capturedRegion !== undefined)
renderField(ent);
else
throw('Unknown entity: ' + JSON.stringify(ent));
});
});
$.each(portals, function(ind, portal) {
// otherwise some portals will not be clickable. See
// https://github.com/Leaflet/Leaflet/issues/185
portal.bringToFront();
});
if(portals[selectedPortal]) portals[selectedPortal].bringToFront();
if(portalUpdateAvailable) renderPortalDetails(selectedPortal);
resolvePlayerNames();
}
// removes entities that are still handled by Leaflet, although they
// do not intersect the current viewport.
window.cleanUp = function() {
var cnt = [0,0,0];
var b = map.getBounds();
portalsLayer.eachLayer(function(portal) {
if(b.contains(portal.getLatLng())) return;
cnt[0]++;
portalsLayer.removeLayer(portal);
});
linksLayer.eachLayer(function(link) {
if(b.intersects(link.getBounds())) return;
cnt[1]++;
linksLayer.removeLayer(link);
});
fieldsLayer.eachLayer(function(field) {
if(b.intersects(field.getBounds())) return;
cnt[2]++;
fieldsLayer.removeLayer(field);
});
console.log('removed out-of-bounds: '+cnt[0]+' portals, '+cnt[1]+' links, '+cnt[2]+' fields');
}
// removes given entity from map
window.removeByGuid = function(guid) {
// portals end in “.11” or “.12“, links in “.9", fields in “.b”
// .c == player/creator
switch(guid.slice(33)) {
case '11':
case '12':
if(!window.portals[guid]) return;
portalsLayer.removeLayer(window.portals[guid]);
break;
case '9':
if(!window.links[guid]) return;
linksLayer.removeLayer(window.links[guid]);
break;
case 'b':
if(!window.fields[guid]) return;
fieldsLayer.removeLayer(window.fields[guid]);
break;
default:
console.warn('unknown GUID type: ' + guid);
window.debug.printStackTrace();
}
}
// renders a portal on the map from the given entity
window.renderPortal = function(ent) {
removeByGuid(ent[0]);
var latlng = [ent[2].locationE6.latE6/1E6, ent[2].locationE6.lngE6/1E6];
if(!map.getBounds().contains(latlng)) return;
// pre-load player names for high zoom levels
if(map.getZoom() >= PRECACHE_PLAYER_NAMES_ZOOM) {
if(ent[2].captured && ent[2].captured.capturingPlayerId)
getPlayerName(ent[2].captured.capturingPlayerId);
if(ent[2].resonatorArray && ent[2].resonatorArray.resonators)
$.each(ent[2].resonatorArray.resonators, function(ind, reso) {
if(reso) getPlayerName(reso.ownerGuid);
});
}
var team = getTeam(ent[2]);
var p = L.circleMarker(latlng, {
radius: 7,
color: ent[0] == selectedPortal ? COLOR_SELECTED_PORTAL : COLORS[team],
opacity: 1,
weight: 3,
fillColor: COLORS[team],
fillOpacity: 0.5,
clickable: true,
guid: ent[0]});
p.on('remove', function() { delete window.portals[this.options.guid]; });
p.on('add', function() { window.portals[this.options.guid] = this; });
p.on('click', function() { window.renderPortalDetails(ent[0]); });
p.on('dblclick', function() {
window.renderPortalDetails(ent[0]);
window.map.setView(latlng, 17);
});
p.addTo(portalsLayer);
}
// renders a link on the map from the given entity
window.renderLink = function(ent) {
removeByGuid(ent[0]);
var team = getTeam(ent[2]);
var edge = ent[2].edge;
var latlngs = [
[edge.originPortalLocation.latE6/1E6, edge.originPortalLocation.lngE6/1E6],
[edge.destinationPortalLocation.latE6/1E6, edge.destinationPortalLocation.lngE6/1E6]
];
var poly = L.polyline(latlngs, {
color: COLORS[team],
opacity: 0.5,
weight:2,
clickable: false,
guid: ent[0]
});
if(!map.getBounds().intersects(poly.getBounds())) return;
poly.on('remove', function() { delete window.links[this.options.guid]; });
poly.on('add', function() { window.links[this.options.guid] = this; });
poly.addTo(linksLayer);
}
// renders a field on the map from a given entity
window.renderField = function(ent) {
window.removeByGuid(ent[0]);
var team = getTeam(ent[2]);
var reg = ent[2].capturedRegion;
var latlngs = [
[reg.vertexA.location.latE6/1E6, reg.vertexA.location.lngE6/1E6],
[reg.vertexB.location.latE6/1E6, reg.vertexB.location.lngE6/1E6],
[reg.vertexC.location.latE6/1E6, reg.vertexC.location.lngE6/1E6]
];
var poly = L.polygon(latlngs, {
fillColor: COLORS[team],
fillOpacity: 0.25,
stroke: false,
clickable: false,
guid: ent[0]});
if(!map.getBounds().intersects(poly.getBounds())) return;
poly.on('remove', function() { delete window.fields[this.options.guid]; });
poly.on('add', function() { window.fields[this.options.guid] = this; });
poly.addTo(fieldsLayer);
}