From 432fd3111694130fc627da8ee6c27ddbcb79905f Mon Sep 17 00:00:00 2001
From: David Lawrence Ramsey <dolorous@users.sourceforge.net>
Date: Sat, 31 Oct 2009 18:19:04 -0500
Subject: Simplify (very) ugly thing color-related functions.

---
 crawl-ref/source/mon-util.cc | 37 +++++++++++++------------------------
 1 file changed, 13 insertions(+), 24 deletions(-)

diff --git a/crawl-ref/source/mon-util.cc b/crawl-ref/source/mon-util.cc
index 8d37d99192..14ec525994 100644
--- a/crawl-ref/source/mon-util.cc
+++ b/crawl-ref/source/mon-util.cc
@@ -1735,42 +1735,31 @@ void define_monster(monsters &mons)
     mons.ench_countdown = 0;
 }
 
-unsigned char ugly_thing_random_colour()
-{
-    const unsigned char colours[] =
-    {
-        RED, BROWN, GREEN, CYAN, MAGENTA, LIGHTGREY
-    };
-
-    return (RANDOM_ELEMENT(colours));
-}
+static const unsigned char ugly_colour_values[] = {
+    RED, BROWN, GREEN, CYAN, MAGENTA, LIGHTGREY
+};
 
 static const char *ugly_colour_names[] = {
     "red", "brown", "green", "cyan", "purple", "white"
 };
 
+unsigned char ugly_thing_random_colour()
+{
+    return (RANDOM_ELEMENT(ugly_colour_values));
+}
+
 int ugly_thing_colour_offset(const monsters *mon)
 {
     if (mon->type != MONS_UGLY_THING && mon->type != MONS_VERY_UGLY_THING)
         return (-1);
 
-    switch (make_low_colour(mon->colour))
+    for (unsigned i = 0; i < ARRAYSZ(ugly_colour_values); ++i)
     {
-        case RED:
-            return (0);
-        case BROWN:
-            return (1);
-        case GREEN:
-            return (2);
-        case CYAN:
-            return (3);
-        case MAGENTA:
-            return (4);
-        case LIGHTGREY:
-            return (5);
-        default:
-            return (-1);
+        if (make_low_colour(mon->colour) == ugly_colour_values[i])
+            return (i);
     }
+
+    return (-1);
 }
 
 static std::string _ugly_thing_colour_name(const monsters *mon)
-- 
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