From 3332fd62bda83d7e1f4e09bab2f61babf97a0fc1 Mon Sep 17 00:00:00 2001
From: wushin <pasekei@gmail.com>
Date: Sat, 19 Sep 2015 21:22:53 -0500
Subject: Declaring abs for dx & dy caused latter equation to always be
 positive

---
 src/map/battle.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/map/battle.cpp b/src/map/battle.cpp
index 5b63acc..589568b 100644
--- a/src/map/battle.cpp
+++ b/src/map/battle.cpp
@@ -2129,16 +2129,18 @@ int battle_check_range(dumb_ptr<block_list> src, dumb_ptr<block_list> bl,
                         int range)
 {
 
-    int dx, dy;
+    int dx, dy, rangex, rangey;
     struct walkpath_data wpd;
     int arange;
 
     nullpo_retz(src);
     nullpo_retz(bl);
 
-    dx = abs(bl->bl_x - src->bl_x);
-    dy = abs(bl->bl_y - src->bl_y);
-    arange = ((dx > dy) ? dx : dy);
+    dx = (bl->bl_x - src->bl_x);
+    dy = (bl->bl_y - src->bl_y);
+    rangex = abs(dx);
+    rangey = abs(dy);
+    arange = ((rangex > rangey) ? rangex : rangey);
 
     if (src->bl_m != bl->bl_m)        // 違うマップ
         return 0;
-- 
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