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Code restructure of portal render limit handler

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Xelio
2013-02-27 01:14:18 +08:00
parent 82792cf4be
commit f4f3e7791f
3 changed files with 84 additions and 57 deletions
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55
code/utils_misc.js
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@ -2,59 +2,6 @@
// UTILS + MISC ///////////////////////////////////////////////////////
// PRL - Portal Render Limit handler
window.PRL = function() {}
window.PRL.init = function () {
PRL.initialized = true;
PRL.minLevel = -1;
PRL.resetCounting();
}
window.PRL.resetCounting = function() {
PRL.minLevelSet = false;
if(!PRL.newPortalsPerLevel)
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;
var newMinLevel = MAX_PORTAL_LEVEL + 1;
// Find the min portal level under render limit
while(newMinLevel > 0) {
var oldPortalCount = layerGroupLength(portalsLayers[newMinLevel - 1]);
totalPortalsCount += oldPortalCount + PRL.newPortalsPerLevel[newMinLevel - 1];
if(totalPortalsCount >= MAX_DRAWN_PORTALS)
break;
newMinLevel--;
}
// If render limit reached at max portal level, still let portal at max level render
if(newMinLevel === MAX_PORTAL_LEVEL + 1) newMinLevel = MAX_PORTAL_LEVEL;
if(newMinLevel > PRL.minLevel) PRL.minLevel = newMinLevel;
PRL.minLevelSet = true;
}
window.layerGroupLength = function(layerGroup) {
var layersCount = 0;
var layers = layerGroup._layers;
@ -213,7 +160,7 @@ 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];
var minLevelByRenderLimit = PRL.getMinLevel();
var minLevelByRenderLimit = portalRenderLimit.getMinLevel();
var result = minLevelByRenderLimit > conv[z]
? minLevelByRenderLimit
: conv[z];