From 8ff2badf51f7548fe8da7b2f43b334d0f4ccdcf3 Mon Sep 17 00:00:00 2001
From: Pasi Kallinen <paxed@alt.org>
Date: Sat, 17 Jul 2021 20:59:40 +0300
Subject: [PATCH] Use define for wand wresting chance

---
 include/hack.h | 1 +
 src/zap.c      | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/hack.h b/include/hack.h
index 792d02d56..ab3670494 100644
--- a/include/hack.h
+++ b/include/hack.h
@@ -480,6 +480,7 @@ enum bodypart_types {
 /* Some misc definitions */
 #define POTION_OCCUPANT_CHANCE(n) (13 + 2 * (n))
 #define WAND_BACKFIRE_CHANCE 100
+#define WAND_WREST_CHANCE 121
 #define BALL_IN_MON (u.uswallow && uball && uball->where == OBJ_FREE)
 #define CHAIN_IN_MON (u.uswallow && uchain && uchain->where == OBJ_FREE)
 #define NODIAG(monnum) ((monnum) == PM_GRID_BUG)
diff --git a/src/zap.c b/src/zap.c
index 9771627ad..06aec2901 100644
--- a/src/zap.c
+++ b/src/zap.c
@@ -2243,7 +2243,7 @@ bhitpile(
 int
 zappable(struct obj *wand)
 {
-    if (wand->spe < 0 || (wand->spe == 0 && rn2(121)))
+    if (wand->spe < 0 || (wand->spe == 0 && rn2(WAND_WREST_CHANCE)))
         return 0;
     if (wand->spe == 0)
         You("wrest one last charge from the worn-out wand.");