src/tunnel_base.h

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   6  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   8  */
   9
  10 /** @file tunnel_base.h Base for all tunnels */
  11
  12 #ifndef TUNNEL_BASE_H
  13 #define TUNNEL_BASE_H
  14
  15 #include "tunnel_map.h"
  16 #include "core/pool_type.hpp"
  17
  18 struct Tunnel;
  19
  20 typedef Pool<Tunnel, TunnelID, 64, 1048576> TunnelPool;
  21 extern TunnelPool _tunnel_pool;
  22
  23 struct Tunnel : TunnelPool::PoolItem<&_tunnel_pool> {
  24
  25         TileIndex tile_n; // North tile of tunnel.
  26         TileIndex tile_s; // South tile of tunnel.
  27         uint8 height;     // Tunnel height
  28         bool is_chunnel;  // Whether this tunnel is a chunnel
  29
  30         Tunnel() {}
  31         ~Tunnel();
  32
  33         Tunnel(TileIndex tile_n, TileIndex tile_s, uint8 height, bool is_chunnel) : tile_n(tile_n), tile_s(tile_s), height(height), is_chunnel(is_chunnel)
  34         {
  35                 this->UpdateIndexes();
  36         }
  37
  38         void UpdateIndexes();
  39
  40         static inline Tunnel *GetByTile(TileIndex tile)
  41         {
  42                 return Tunnel::Get(GetTunnelIndex(tile));
  43         }
  44
  45         static void PreCleanPool();
  46 };
  47
  48 #define FOR_ALL_TUNNELS_FROM(var, start) FOR_ALL_ITEMS_FROM(Tunnel, tunnel_index, var, start)
  49 #define FOR_ALL_TUNNELS(var) FOR_ALL_TUNNELS_FROM(var, 0)
  50
  51 #endif /* TUNNEL_BASE_H */