1 files changed, 6 insertions, 1 deletions
diff --git a/rules.js b/rules.js
index cbb402e..4bd32c4 100644
--- a/rules.js
+++ b/rules.js
@@ -46,7 +46,9 @@ let states = {}
 let game = null
 
 function random(n) {
-	return Math.floor(((game.seed = game.seed * 48271 % 0x7fffffff) / 0x7fffffff) * n)
+	if (game.rng === 1)
+		return Math.floor(((game.seed = game.seed * 48271 % 0x7fffffff) / 0x7fffffff) * n)
+	return (game.seed = game.seed * 200105 % 34359738337) % n
 }
 
 function log(...args) {
@@ -2959,6 +2961,9 @@ exports.setup = function (seed, scenario, options) {
 		where: null,
 	}
 
+	if (options.rng)
+		game.rng = options.rng
+
 	if (scenario === "The Bruce")
 		setup_the_bruce()
 	else if (scenario === "Braveheart")