summaryrefslogtreecommitdiff
path: root/src/pathfinder/npf/npf.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/pathfinder/npf/npf.h')
-rw-r--r--src/pathfinder/npf/npf.h130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/pathfinder/npf/npf.h b/src/pathfinder/npf/npf.h
deleted file mode 100644
index bdffa164a..000000000
--- a/src/pathfinder/npf/npf.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/* $Id$ */
-
-/*
- * This file is part of OpenTTD.
- * 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.
- * 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.
- * 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/>.
- */
-
-/** @file npf.h New A* pathfinder. */
-
-#ifndef NPF_H
-#define NPF_H
-
-#include "aystar.h"
-#include "../../station_type.h"
-#include "../../rail_type.h"
-#include "../../company_type.h"
-#include "../../vehicle_type.h"
-#include "../../tile_type.h"
-#include "../../track_type.h"
-#include "../../core/bitmath_func.hpp"
-#include "../../transport_type.h"
-
-/* mowing grass */
-enum {
- NPF_HASH_BITS = 12, ///< The size of the hash used in pathfinding. Just changing this value should be sufficient to change the hash size. Should be an even value.
- /* Do no change below values */
- NPF_HASH_SIZE = 1 << NPF_HASH_BITS,
- NPF_HASH_HALFBITS = NPF_HASH_BITS / 2,
- NPF_HASH_HALFMASK = (1 << NPF_HASH_HALFBITS) - 1
-};
-
-/* Meant to be stored in AyStar.targetdata */
-struct NPFFindStationOrTileData {
- TileIndex dest_coords; ///< An indication of where the station is, for heuristic purposes, or the target tile
- StationID station_index; ///< station index we're heading for, or INVALID_STATION when we're heading for a tile
- bool reserve_path; ///< Indicates whether the found path should be reserved
- StationType station_type; ///< The type of station we're heading for
- bool not_articulated; ///< The (road) vehicle is not articulated
- const Vehicle *v; ///< The vehicle we are pathfinding for
-};
-
-/* Indices into AyStar.userdata[] */
-enum {
- NPF_TYPE = 0, ///< Contains a TransportTypes value
- NPF_SUB_TYPE, ///< Contains the sub transport type
- NPF_OWNER, ///< Contains an Owner value
- NPF_RAILTYPES, ///< Contains a bitmask the compatible RailTypes of the engine when NPF_TYPE == TRANSPORT_RAIL. Unused otherwise.
-};
-
-/* Indices into AyStarNode.userdata[] */
-enum {
- NPF_TRACKDIR_CHOICE = 0, ///< The trackdir chosen to get here
- NPF_NODE_FLAGS,
-};
-
-/* Flags for AyStarNode.userdata[NPF_NODE_FLAGS]. Use NPFGetBit() and NPFGetBit() to use them. */
-enum NPFNodeFlag {
- NPF_FLAG_SEEN_SIGNAL, ///< Used to mark that a signal was seen on the way, for rail only
- NPF_FLAG_2ND_SIGNAL, ///< Used to mark that two signals were seen, rail only
- NPF_FLAG_3RD_SIGNAL, ///< Used to mark that three signals were seen, rail only
- NPF_FLAG_REVERSE, ///< Used to mark that this node was reached from the second start node, if applicable
- NPF_FLAG_LAST_SIGNAL_RED, ///< Used to mark that the last signal on this path was red
- NPF_FLAG_IGNORE_START_TILE, ///< Used to mark that the start tile is invalid, and searching should start from the second tile on
- NPF_FLAG_TARGET_RESERVED, ///< Used to mark that the possible reservation target is already reserved
- NPF_FLAG_IGNORE_RESERVED, ///< Used to mark that reserved tiles should be considered impassable
-};
-
-/* Meant to be stored in AyStar.userpath */
-struct NPFFoundTargetData {
- uint best_bird_dist; ///< The best heuristic found. Is 0 if the target was found
- uint best_path_dist; ///< The shortest path. Is UINT_MAX if no path is found
- Trackdir best_trackdir; ///< The trackdir that leads to the shortest path/closest birds dist
- AyStarNode node; ///< The node within the target the search led us to
- bool res_okay; ///< True if a path reservation could be made
-};
-
-/* These functions below are _not_ re-entrant, in favor of speed! */
-
-/* Will search from the given tile and direction, for a route to the given
- * station for the given transport type. See the declaration of
- * NPFFoundTargetData above for the meaning of the result. */
-NPFFoundTargetData NPFRouteToStationOrTile(TileIndex tile, Trackdir trackdir, bool ignore_start_tile, NPFFindStationOrTileData *target, TransportType type, uint sub_type, Owner owner, RailTypes railtypes);
-
-/* Will search as above, but with two start nodes, the second being the
- * reverse. Look at the NPF_FLAG_REVERSE flag in the result node to see which
- * direction was taken (NPFGetBit(result.node, NPF_FLAG_REVERSE)) */
-NPFFoundTargetData NPFRouteToStationOrTileTwoWay(TileIndex tile1, Trackdir trackdir1, bool ignore_start_tile1, TileIndex tile2, Trackdir trackdir2, bool ignore_start_tile2, NPFFindStationOrTileData *target, TransportType type, uint sub_type, Owner owner, RailTypes railtypes);
-
-/* Will search a route to the closest depot. */
-
-/* Search using breadth first. Good for little track choice and inaccurate
- * heuristic, such as railway/road.*/
-NPFFoundTargetData NPFRouteToDepotBreadthFirst(TileIndex tile, Trackdir trackdir, bool ignore_start_tile, TransportType type, uint sub_type, Owner owner, RailTypes railtypes);
-/* Same as above but with two start nodes, the second being the reverse. Call
- * NPFGetBit(result.node, NPF_FLAG_REVERSE) to see from which node the path
- * orginated. All pathfs from the second node will have the given
- * reverse_penalty applied (NPF_TILE_LENGTH is the equivalent of one full
- * tile).
- */
-NPFFoundTargetData NPFRouteToDepotBreadthFirstTwoWay(TileIndex tile1, Trackdir trackdir1, bool ignore_start_tile1, TileIndex tile2, Trackdir trackdir2, bool ignore_start_tile2, TransportType type, uint sub_type, Owner owner, RailTypes railtypes, uint reverse_penalty);
-/* Search by trying each depot in order of Manhattan Distance. Good for lots
- * of choices and accurate heuristics, such as water. */
-NPFFoundTargetData NPFRouteToDepotTrialError(TileIndex tile, Trackdir trackdir, bool ignore_start_tile, TransportType type, uint sub_type, Owner owner, RailTypes railtypes);
-
-void NPFFillWithOrderData(NPFFindStationOrTileData *fstd, const Vehicle *v, bool reserve_path = false);
-
-
-/*
- * Functions to manipulate the various NPF related flags on an AyStarNode.
- */
-
-/**
- * Returns the current value of the given flag on the given AyStarNode.
- */
-static inline bool NPFGetFlag(const AyStarNode *node, NPFNodeFlag flag)
-{
- return HasBit(node->user_data[NPF_NODE_FLAGS], flag);
-}
-
-/**
- * Sets the given flag on the given AyStarNode to the given value.
- */
-static inline void NPFSetFlag(AyStarNode *node, NPFNodeFlag flag, bool value)
-{
- SB(node->user_data[NPF_NODE_FLAGS], flag, 1, value);
-}
-
-#endif /* NPF_H */