From 81846cca24f76652d2d11bcc7d4e2566d4f61d03 Mon Sep 17 00:00:00 2001
From: tron <tron@openttd.org>
Date: Sat, 22 Jul 2006 14:31:56 +0000
Subject: (svn r5592) Merge two complementary cases

---
 tunnelbridge_cmd.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

(limited to 'tunnelbridge_cmd.c')

diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c
index 708816304..8d7bc92fc 100644
--- a/tunnelbridge_cmd.c
+++ b/tunnelbridge_cmd.c
@@ -1234,16 +1234,9 @@ static void TileLoop_TunnelBridge(TileIndex tile)
 {
 	switch (_opt.landscape) {
 		case LT_HILLY:
-			if (GetTileZ(tile) > _opt.snow_line) {
-				if (!(_m[tile].m4 & 0x80)) {
-					_m[tile].m4 |= 0x80;
-					MarkTileDirtyByTile(tile);
-				}
-			} else {
-				if (_m[tile].m4 & 0x80) {
-					_m[tile].m4 &= ~0x80;
-					MarkTileDirtyByTile(tile);
-				}
+			if (HASBIT(_m[tile].m4, 7) != (GetTileZ(tile) > _opt.snow_line)) {
+				TOGGLEBIT(_m[tile].m4, 7);
+				MarkTileDirtyByTile(tile);
 			}
 			break;
 
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