/**
* Make computations about tmwAthena's stat requirements.
*
* Amongst other things, this can be used to derive a minimum base level for a stat configuration.
*/
var stat = function(){
var stat = {};
var statpoint = [
48,
52,
56,
60,
64,
69,
74,
79,
84,
90,
96,
102,
108,
115,
122,
129,
136,
144,
152,
160,
168,
177,
186,
195,
204,
214,
224,
234,
244,
255,
266,
277,
288,
300,
312,
324,
336,
349,
362,
375,
388,
402,
416,
430,
444,
459,
474,
489,
504,
520,
536,
552,
568,
585,
602,
619,
636,
654,
672,
690,
708,
727,
746,
765,
784,
804,
824,
844,
864,
885,
906,
927,
948,
970,
992,
1014,
1036,
1059,
1082,
1105,
1128,
1152,
1176,
1200,
1224,
1249,
1274,
1299,
1324,
1350,
1376,
1402,
1428,
1455,
1482,
1509,
1536,
1564,
1592
];
/* If a character is using a certain number of status points, what is the lowest level it could be? */
stat.minLevelForStatusPoints = function(statusPoints) {
/*
* tmwAthena status points for a level are described by the following recurrence relation:
* p(1) = 48
* p(l) = p(l - 1) + floor((l + 14) / 4)
* For whatever reason, the server also loads a cached copy from a file of all places - db/statpoint.txt.
* If this is out of sync with the equation, fun things can happen.
* For now, naively assume that statpoint.txt is correct and shamelessly dump it here (see above).
*/
return crossfilter.bisect.left(statpoint, statusPoints, 0, statpoint.length) + 1;
};
var statusPointInc = [0, 0]
stat.statusPointsForStat = function(v) {
if (isNaN(v)) {
throw "Invalid input";
}
/* First, convert the absolute stat to terms of increments. */
/* This is as simple as removing the starting value - 1 - from it. */
/*
* The status points needed to increase from a stat with value v can be calculated as follows:
* floor((v + 9) / 10) + 1
*/
if (statusPointInc.length > v) {
return statusPointInc[v];
}
var i = stat.statusPointsForStat(v - 1) + Math.floor(((v - 1) + 9) / 10) + 1;
statusPointInc.push(i);
return i;
}
/* If a character has a certain arrangement of attributes, how many status points are required for this configuration? */
stat.statusPointsForStats = function(str, agi, vit, dex, int, luk) {
return stat.statusPointsForStat(str) +
stat.statusPointsForStat(agi) +
stat.statusPointsForStat(vit) +
stat.statusPointsForStat(dex) +
stat.statusPointsForStat(int) +
stat.statusPointsForStat(luk);
};
/* Helper function currying minLevelForStatusPoints and stat.statusPointsForStats */
stat.minLevelForStats = function(str, agi, vit, dex, int, luk) {
return stat.minLevelForStatusPoints(stat.statusPointsForStats(str, agi, vit, dex, int, luk));
};
return stat;
}();
