From 0dc73bc54f7f6077f0699cc07556ca10a8433525 Mon Sep 17 00:00:00 2001
From: Matthew Cline <zelgadis@sourceforge.net>
Date: Sun, 18 Oct 2009 18:12:27 -0700
Subject: arena.cc: Avoid divide-by-zero error

---
 crawl-ref/source/arena.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'crawl-ref/source/arena.cc')

diff --git a/crawl-ref/source/arena.cc b/crawl-ref/source/arena.cc
index f3ff332ab9..1617f916d0 100644
--- a/crawl-ref/source/arena.cc
+++ b/crawl-ref/source/arena.cc
@@ -659,6 +659,14 @@ namespace arena
         if (a_spawners.size() == 0 || b_spawners.size() == 0)
             return;
 
+        if (faction_a.active_members == 0 || faction_b.active_members == 0)
+        {
+            mpr("ERROR: Both sides have spawners, but the active member "
+                "count of one side has been reduced to zero!", MSGCH_ERROR);
+            more();
+            return;
+        }
+
         for (unsigned int i = 0; i < a_spawners.size(); i++)
         {
             int idx = a_spawners[i];
-- 
cgit v1.2.3-54-g00ecf