From 55b93b1c058aff7fb67dad186c31855acb2a5724 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Tue, 19 Jun 2007 21:15:14 +0000
Subject: (svn r10230) -Fix [FS#594]: terraforming wipes out canals. Now you
 always have to remove the canal before terraforming, instead of "just"
 removing the canal.

---
 src/water_map.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/water_map.h')

diff --git a/src/water_map.h b/src/water_map.h
index cb20bd15a..77fce0a17 100644
--- a/src/water_map.h
+++ b/src/water_map.h
@@ -45,6 +45,11 @@ static inline bool IsCoast(TileIndex t)
 	return GetWaterTileType(t) == WATER_TILE_COAST;
 }
 
+static inline bool IsCanal(TileIndex t)
+{
+	return GetWaterTileType(t) == WATER_TILE_CLEAR && GetTileOwner(t) != OWNER_WATER;
+}
+
 static inline bool IsClearWaterTile(TileIndex t)
 {
 	return IsTileType(t, MP_WATER) && IsWater(t) && GetTileSlope(t, NULL) == SLOPE_FLAT;
-- 
cgit v1.2.3-54-g00ecf