From 1e452a27de8de22d933f5b37c407aa3980948a66 Mon Sep 17 00:00:00 2001
From: ultramage <ultramage@54d463be-8e91-2dee-dedb-b68131a5f0ec>
Date: Wed, 26 Dec 2007 17:18:57 +0000
Subject: Moved distance-related functions to path.c/h

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@11981 54d463be-8e91-2dee-dedb-b68131a5f0ec
---
 src/map/map.c | 46 ----------------------------------------------
 1 file changed, 46 deletions(-)

(limited to 'src/map/map.c')

diff --git a/src/map/map.c b/src/map/map.c
index c4a0847b6..59eef42cc 100644
--- a/src/map/map.c
+++ b/src/map/map.c
@@ -177,52 +177,6 @@ int map_getusers(void)
 	return map_users;
 }
 
-//Distance functions, taken from http://www.flipcode.com/articles/article_fastdistance.shtml
-int check_distance(int dx, int dy, int distance)
-{
-#ifdef CIRCULAR_AREA
-	//In this case, we just do a square comparison. Add 1 tile grace for diagonal range checks.
-	return (dx*dx + dy*dy <= distance*distance + (dx&&dy?1:0));
-#else
-	if (dx < 0) dx = -dx;
-	if (dy < 0) dy = -dy;
-	return ((dx<dy?dy:dx) <= distance);
-#endif
-}
-
-unsigned int distance(int dx, int dy)
-{
-#ifdef CIRCULAR_AREA
-	unsigned int min, max;
-
-	if ( dx < 0 ) dx = -dx;
-	if ( dy < 0 ) dy = -dy;
-	//There appears to be something wrong with the aproximation below when either dx/dy is 0! [Skotlex]
-	if ( dx == 0 ) return dy;
-	if ( dy == 0 ) return dx;
-	
-	if ( dx < dy )
-	{
-		min = dx;
-		max = dy;
-	} else {
-		min = dy;
-		max = dx;
-	}
-   // coefficients equivalent to ( 123/128 * max ) and ( 51/128 * min )
-	return ((( max << 8 ) + ( max << 3 ) - ( max << 4 ) - ( max << 1 ) +
-		( min << 7 ) - ( min << 5 ) + ( min << 3 ) - ( min << 1 )) >> 8 );
-#else
-	if (dx < 0) dx = -dx;
-	if (dy < 0) dy = -dy;
-	return (dx<dy?dy:dx);
-#endif
-}
-
-//
-// block削除の安全性確保?理
-//
-
 /*==========================================
  * blockをfreeするときfreeの?わりに呼ぶ
  * ロックされているときはバッファにためる
-- 
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