Fix bat form unarmed delay display being randomised.

1 files changed, 12 insertions, 0 deletions

diff --git a/crawl-ref/source/random-var.cc b/crawl-ref/source/random-var.cc
index 82d3b87d9a..04b19db0a1 100644
--- a/crawl-ref/source/random-var.cc
+++ b/crawl-ref/source/random-var.cc
@@ -155,6 +155,18 @@ random_var operator/(const random_var& x, int d)
     return random_var(start, end, weights);
 }
 
+random_var operator*(const random_var& x, int d)
+{
+    const int start = x.min() * d;
+    const int end = x.max() * d + 1;
+    vector<int> weights(end - start, 0);
+
+    for (int v = x.min(); v <= x.max(); ++v)
+        weights[v * d - start] = x.weight(v);
+
+    return random_var(start, end, weights);
+}
+
 random_var div_rand_round(const random_var& x, int d)
 {
     const int start = x.min() / d;