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(svn r22742) -Add: Add function to query exit direction of hangars at airports.

This commit is contained in:
alberth 2011-08-13 12:44:42 +00:00
parent bc6d4069fe
commit c4118e3f6a
1 changed files with 34 additions and 8 deletions
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42
src/station_base.h
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@ -135,20 +135,28 @@ struct Airport : public TileArea {
} }
/** /**
* Get the hangar number of the hangar on a specific tile. * Get the exit direction of the hangar at a specific tile.
* @param tile The tile to query.
* @pre IsHangarTile(tile).
* @return The exit direction of the hangar, taking airport rotation into account.
*/
FORCEINLINE Direction GetHangarExitDirection(TileIndex tile) const
{
const AirportSpec *as = this->GetSpec();
const HangarTileTable *htt = GetHangarDataByTile(tile);
return ChangeDir(htt->dir, DirDifference(this->rotation, as->rotation[0]));
}
/**
* Get the hangar number of the hangar at a specific tile.
* @param tile The tile to query. * @param tile The tile to query.
* @pre IsHangarTile(tile). * @pre IsHangarTile(tile).
* @return The hangar number of the hangar at the given tile. * @return The hangar number of the hangar at the given tile.
*/ */
FORCEINLINE uint GetHangarNum(TileIndex tile) const FORCEINLINE uint GetHangarNum(TileIndex tile) const
{ {
const AirportSpec *as = this->GetSpec(); const HangarTileTable *htt = GetHangarDataByTile(tile);
for (uint i = 0; i < as->nof_depots; i++) { return htt->hangar_num;
if (this->GetRotatedTileFromOffset(as->depot_table[i].ti) == tile) {
return as->depot_table[i].hangar_num;
}
}
NOT_REACHED();
} }
/** Get the number of hangars on this airport. */ /** Get the number of hangars on this airport. */
@ -165,6 +173,24 @@ struct Airport : public TileArea {
} }
return num; return num;
} }
private:
/**
* Retrieve hangar information of a hangar at a given tile.
* @param tile %Tile containing the hangar.
* @return The requested hangar information.
* @pre The \a tile must be at a hangar tile at an airport.
*/
FORCEINLINE const HangarTileTable *GetHangarDataByTile(TileIndex tile) const
{
const AirportSpec *as = this->GetSpec();
for (uint i = 0; i < as->nof_depots; i++) {
if (this->GetRotatedTileFromOffset(as->depot_table[i].ti) == tile) {
return as->depot_table + i;
}
}
NOT_REACHED();
}
}; };
typedef SmallVector<Industry *, 2> IndustryVector; typedef SmallVector<Industry *, 2> IndustryVector;