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start fixing commong

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This commit is contained in:
Matteo Pagliazzi
2019-10-09 16:51:17 +02:00
parent 9cd43db401
commit 0c27fb24a5
76 changed files with 442 additions and 275 deletions
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11
website/common/script/fns/predictableRandom.js
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@@ -2,17 +2,19 @@ import omit from 'lodash/omit';
import reduce from 'lodash/reduce';
import isNumber from 'lodash/isNumber';
// Because the same op needs to be performed on the client and the server (critical hits, item drops, etc),
// Because the same op needs to be performed on the client and the server
// (critical hits, item drops, etc),
// we need things to be "random", but technically predictable so that they don't go out-of-sync
export default function predictableRandom (user, seed) {
if (!seed || seed === Math.PI) {
let stats = user.stats.toObject ? user.stats.toObject() : user.stats;
// These items are not part of the stat object but exists on the server (see controllers/user#getUser)
// These items are not part of the stat object but exists on the server
// (see controllers/user#getUser)
// we remove them in order to use the same user.stats both on server and on client
stats = omit(stats, ['toNextLevel', 'maxHealth', 'maxMP']);
seed = reduce(stats, (accumulator, val) => {
seed = reduce(stats, (accumulator, val) => { // eslint-disable-line no-param-reassign
if (isNumber(val)) {
return accumulator + val;
}
@@ -20,6 +22,7 @@ export default function predictableRandom (user, seed) {
}, 0);
}
const x = Math.sin(seed++) * 10000;
seed += 1; // eslint-disable-line no-param-reassign
const x = Math.sin(seed) * 10000;
return x - Math.floor(x);
}