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New Feature: Remove lower level portal when portal render limit reached

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Xelio
2013-02-26 17:34:59 +08:00
parent 4b3348e5d4
commit 17a81c09d9
3 changed files with 63 additions and 2 deletions
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60
code/utils_misc.js
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@ -2,6 +2,60 @@
// UTILS + MISC ///////////////////////////////////////////////////////
// PRL - Portal Render Limit
window.PRL = function() {}
window.PRL.resetOrInit = function () {
PRL.initialized = true;
PRL.minLevel = -1;
PRL.minLevelSet = false;
PRL.newPortalsPerLevel = new Array(MAX_PORTAL_LEVEL+1);
for(var i = 0; i <= MAX_PORTAL_LEVEL; i++) {
PRL.newPortalsPerLevel[i] = 0;
}
}
window.PRL.pushPortal = function(ent) {
var portalGuid = ent[0];
var portalLevel = parseInt(getPortalLevel(ent[2]));
var layerGroup = portalsLayers[portalLevel];
if(findEntityInLeaflet(layerGroup, window.portals, ent[0])) return;
PRL.newPortalsPerLevel[portalLevel]++;
}
window.PRL.getMinLevel = function() {
if(!PRL.initialized) return -1;
if(!PRL.minLevelSet) PRL.setMinLevel();
return PRL.minLevel;
}
window.PRL.setMinLevel = function() {
var totalPortalsCount = 0;
PRL.minLevel = MAX_PORTAL_LEVEL + 1;
// Find the min portal level under render limit
while(PRL.minLevel > 0) {
var oldPortalCount = layerGroupLength(portalsLayers[PRL.minLevel - 1]);
totalPortalsCount += oldPortalCount + PRL.newPortalsPerLevel[PRL.minLevel - 1];
if(totalPortalsCount >= MAX_DRAWN_PORTALS)
break;
PRL.minLevel--;
}
// If render limit reached at max portal level, still let portal at max level render
if(PRL.minLevel === MAX_PORTAL_LEVEL + 1) PRL.minLevel = MAX_PORTAL_LEVEL;
PRL.minLevelSet = true;
}
window.layerGroupLength = function(layerGroup) {
var layersCount = 0;
var layers = layerGroup._layers;
if (layers)
layersCount = Object.keys(layers).length;
return layersCount;
}
// retrieves parameter from the URL?query=string.
window.getURLParam = function(param) {
var v = document.URL;
@ -152,7 +206,11 @@ window.getMinPortalLevel = function() {
var z = map.getZoom();
if(z >= 16) return 0;
var conv = ['impossible', 8,7,7,6,6,5,5,4,4,3,3,2,2,1,1];
return conv[z];
var minLevelByRenderLimit = PRL.getMinLevel();
var result = minLevelByRenderLimit > conv[z]
? minLevelByRenderLimit
: conv[z];
return result;
}
// returns number of pixels left to scroll down before reaching the