# HG changeset patch
# User peter1138
# Date 1137923540 0
# Node ID 9678db2d90e8202c6d1f698e00f38f5083f6e319
# Parent  91ee491df4ec2f8618eb2ff8f317bd8ad594dfc1
(svn r3416) - Fix: Disallow building an oil rig above sea level.

diff -r 91ee491df4ec -r 9678db2d90e8 industry_cmd.c
--- a/industry_cmd.c	Sat Jan 21 22:09:25 2006 +0000
+++ b/industry_cmd.c	Sun Jan 22 09:52:20 2006 +0000
@@ -1170,7 +1170,8 @@
 {
 	if (_game_mode == GM_EDITOR && _ignore_restrictions) return true;
 	if (_game_mode == GM_EDITOR && type != IT_OIL_RIG)   return true;
-	if (DistanceFromEdge(TILE_ADDXY(tile, 1, 1)) < 16)   return true;
+	if ((type != IT_OIL_RIG || TileHeight(tile) == 0) &&
+			DistanceFromEdge(TILE_ADDXY(tile, 1, 1)) < 16)   return true;
 
 	_error_message = STR_483B_CAN_ONLY_BE_POSITIONED;
 	return false;