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diff src/road_map.h @ 8744:bcc06c9be6ef draft

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(svn r12440) -Fix [FS#1694]: Make the road building and road removing conditions more union -Feature: Allow to build/remove more road-piece combinations directly
author skidd13 <skidd13@openttd.org>
date Thu, 27 Mar 2008 14:26:31 +0000
parents c370e9d5f5c4
children d48433370037
line wrap: on
line diff
--- a/src/road_map.h
+++ b/src/road_map.h
@@ -66,6 +66,20 @@
 }
 
 /**
+ * Get all RoadBits set on a tile except from the given RoadType
+ *
+ * @param t The tile from which we want to get the RoadBits
+ * @param rt The RoadType which we exclude from the querry
+ * @return all set RoadBits of the tile which are not from the given RoadType
+ */
+static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt)
+{
+	return ((rt == ROADTYPE_ROAD) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_ROAD)) |
+		((rt == ROADTYPE_TRAM) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_TRAM)) |
+		((rt == ROADTYPE_HWAY) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_HWAY));
+}
+
+/**
  * Get all set RoadBits on the given tile
  *
  * @param tile The tile from which we want to get the RoadBits