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-rw-r--r--rules.js15
1 files changed, 10 insertions, 5 deletions
diff --git a/rules.js b/rules.js
index 337f982..5d507df 100644
--- a/rules.js
+++ b/rules.js
@@ -37,6 +37,10 @@ let states = {};
let game = null;
+function random(n) {
+ return Math.floor(((game.seed = game.seed * 48271 % 0x7fffffff) / 0x7fffffff) * n);
+}
+
function log(...args) {
let s = Array.from(args).join(" ");
game.log.push(s);
@@ -144,7 +148,7 @@ function gen_action(view, action, argument) {
}
function roll_d6() {
- return Math.floor(Math.random() * 6) + 1;
+ return random(6) + 1;
}
function shuffle_deck() {
@@ -157,7 +161,7 @@ function shuffle_deck() {
function deal_cards(deck, n) {
let hand = [];
for (let i = 0; i < n; ++i) {
- let k = Math.floor(Math.random() * deck.length);
+ let k = random(deck.length);
hand.push(deck[k]);
deck.splice(k, 1);
}
@@ -631,7 +635,7 @@ function draw_from_bag(bag, exclude_list) {
if (game.location[b] === bag)
list.push(b);
}
- return list[Math.floor(Math.random() * list.length)];
+ return list[random(list.length)];
}
function deploy_english(count) {
@@ -640,7 +644,7 @@ function deploy_english(count) {
if (game.location[b] === E_BAG)
list.push(b);
for (let i = 0; i < count; ++i) {
- let x = Math.floor(Math.random() * list.length);
+ let x = random(list.length);
let b = list[x];
list.splice(x,1);
game.location[b] = ENGLAND;
@@ -2827,8 +2831,9 @@ exports.ready = function (scenario, players) {
return players.length === 2;
}
-exports.setup = function (scenario) {
+exports.setup = function (seed, scenario) {
game = {
+ seed: seed,
attacker: {},
border_limit: {},
last_used: {},