From b75c43f7a4e88b79aa77e8ef7f3fdd3f0e7c721d Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Fri, 21 Jun 2024 15:01:09 +0200
Subject: [PATCH] added randf_from

---
 game.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/game.cpp b/game.cpp
index 379b7ae7..808ab479 100644
--- a/game.cpp
+++ b/game.cpp
@@ -62,10 +62,12 @@ EX vector<int> hrandom_permutation(int qty) {
 /** Use \link hrngen \endlink to generate a floating point number between 0 and 1.
  */
 
-EX ld hrandf() { 
-  return (hrngen() - hrngen.min()) / (hrngen.max() + 1.0 - hrngen.min());
+EX ld randf_from(std::mt19937& r) { 
+  return (r() - r.min()) / (r.max() + 1.0 - r.min());
   }
 
+EX ld hrandf() { return randf_from(hrngen); }
+
 /** Returns an integer corresponding to the current state of \link hrngen \endlink.
  */
 EX int hrandstate() {