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authoryexo <yexo@openttd.org>2010-09-13 13:36:36 +0000
committeryexo <yexo@openttd.org>2010-09-13 13:36:36 +0000
commit4d1f24330fdbbaa4113d987d53f5a1bfe9accd83 (patch)
tree8f80b3d4a4d2cf1749e805efc3c4dee978b77d5b /src
parent2d4c5ea66864e4b53d75decaa14ffafe643aa8ed (diff)
downloadopenttd-4d1f24330fdbbaa4113d987d53f5a1bfe9accd83.tar.xz
(svn r20798) -Doc [FS#4117]: [NoAI] AITile::HasTransportType doesn't work for TRANSPORT_AIR
Diffstat (limited to 'src')
-rw-r--r--src/ai/api/ai_tile.hpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ai/api/ai_tile.hpp b/src/ai/api/ai_tile.hpp
index da3ad8cfa..e21f15bb7 100644
--- a/src/ai/api/ai_tile.hpp
+++ b/src/ai/api/ai_tile.hpp
@@ -298,10 +298,14 @@ public:
* @param tile The tile to check.
* @param transport_type The TransportType to check against.
* @pre AIMap::IsValidTile(tile).
+ * @pre transport_type != TRANSPORT_AIR.
* @note Returns false on tiles with roadworks and on road tiles with only
* a single piece of road as these tiles cannot be used to transport
* anything on. It furthermore returns true on some coast tile for
* TRANSPORT_WATER because ships can navigate over them.
+ * @note Use AIAirport.IsAirportTile to check for airport tiles. Aircraft
+ * can fly over every tile on the map so using HasTransportType
+ * doesn't make sense for TRANSPORT_AIR.
* @return True if and only if the tile has the given TransportType.
*/
static bool HasTransportType(TileIndex tile, TransportType transport_type);