From b00e510140b4983d58f580fdca87368b1edb436a Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Sat, 3 Jan 2009 16:06:58 +0000
Subject: (svn r14807) -Codechange: use INVALID_TILE instead of 0 to mark
 invalid depots, industries, towns and waypoints

---
 src/depot_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/depot_base.h')

diff --git a/src/depot_base.h b/src/depot_base.h
index 35d35e392..53877485d 100644
--- a/src/depot_base.h
+++ b/src/depot_base.h
@@ -16,10 +16,10 @@ struct Depot : PoolItem<Depot, DepotID, &_Depot_pool> {
 	TileIndex xy;
 	TownID town_index;
 
-	Depot(TileIndex xy = 0) : xy(xy) {}
+	Depot(TileIndex xy = INVALID_TILE) : xy(xy) {}
 	~Depot();
 
-	inline bool IsValid() const { return this->xy != 0; }
+	inline bool IsValid() const { return this->xy != INVALID_TILE; }
 };
 
 static inline bool IsValidDepotID(DepotID index)
-- 
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