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[plugin/guess-player-levels] Fix error in algorithm; skip calculations if player is already known to be L8

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This commit is contained in:
fkloft
2014-03-13 22:02:11 +01:00
parent 047fce5225
commit 8c55c1eea6
1 changed files with 11 additions and 15 deletions
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26
plugins/guess-player-levels.user.js
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@@ -181,6 +181,8 @@ window.plugin.guessPlayerLevels.extractPortalData = function(data) {
window.plugin.guessPlayerLevels.extractChatData = function(data) {
var attackData = {};
function addAttackMessage(nick, timestamp, portal) {
var details = window.plugin.guessPlayerLevels.fetchLevelDetailsByPlayer(nick);
if(details.guessed == 8 || details.min == 8) return; // we wouldn't get better results, so skip the calcula
if(!attackData[nick]) attackData[nick] = {};
if(!attackData[nick][timestamp]) attackData[nick][timestamp] = [];
attackData[nick][timestamp].push(portal);
@@ -288,11 +290,6 @@ window.plugin.guessPlayerLevels.handleAttackData = function(nick, latlngs) {
circle = window.plugin.guessPlayerLevels.calculateCircleWithAnchor(latlngs.slice(0, i + 1), latlng);
}
// don't know under what circumstances, but sometimes the calculation fails. ignore nonsense data
if(circle.x == 0 || circle.y == 0) {
return;
}
// circle.range is useless, because it is calculated in degrees (simplified algorithm!)
var latlng = L.latLng(circle.y, circle.x);
var range = 0;
@@ -302,8 +299,9 @@ window.plugin.guessPlayerLevels.handleAttackData = function(nick, latlngs) {
range = d;
}
// same as above. ignore nonsense data
if(range > 1000) {
// In earlier versions, the algorithm failed. Should be fixed now, but just to be sure, we ignore escalating values...
if(circle.x == 0 || circle.y == 0 || range > 1000) {
console.warn("ignoring attack data: ", nick, latlngs, circle, range);
return;
}
@@ -343,12 +341,12 @@ window.plugin.guessPlayerLevels.calculateCircleWithAnchors = function(latlngs, a
for(var i=0; i<latlngs.length; i++) {
var c = latlngs[i];
if(!window.plugin.guessPlayerLevels.isPointInCircle(c, circle)) {
var dA = a.x^2 + a.y^2;
var dB = b.x^2 + b.y^2;
var dC = c.x^2 + c.y^2;
var dA = a.x*a.x + a.y*a.y;
var dB = b.x*b.x + b.y*b.y;
var dC = c.x*c.x + c.y*c.y;
circle.x = (dA*(c.y-b.y) + dB*(a.y-c.y) + dC*(b.y-a.y)) / 2*(a.x*(c.y-b.y) + b.x*(a.y-c.y) + c.x*(b.y-a.y));
circle.y = -(dA*(c.x-b.x) + dB*(a.x-c.x) + dC*(b.x-a.x)) / 2*(a.x*(c.y-b.y) + b.x*(a.y-c.y) + c.x*(b.y-a.y));
circle.x = (dA*(c.y-b.y) + dB*(a.y-c.y) + dC*(b.y-a.y)) / (2*(a.x*(c.y-b.y) + b.x*(a.y-c.y) + c.x*(b.y-a.y)));
circle.y = -(dA*(c.x-b.x) + dB*(a.x-c.x) + dC*(b.x-a.x)) / (2*(a.x*(c.y-b.y) + b.x*(a.y-c.y) + c.x*(b.y-a.y)));
circle.radius = Math.max(
window.plugin.guessPlayerLevels.getDistance(a, circle),
@@ -361,13 +359,11 @@ window.plugin.guessPlayerLevels.calculateCircleWithAnchors = function(latlngs, a
}
window.plugin.guessPlayerLevels.calculateCircleFromBisector = function(p, q) {
var circle = {
return {
x: (p.x + q.x) / 2,
y: (p.y + q.y) / 2,
radius: window.plugin.guessPlayerLevels.getDistance(p, q) / 2
};
return circle;
}
window.plugin.guessPlayerLevels.isPointInCircle = function(point, circle) {