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Location: cpp/openttd-patchpack/source/src/pathfinder/pathfinder_func.h - annotation
r27835:eabfaa878ced
3.2 KiB
text/x-c
Add: calendar date for Survey results
This means no heuristics is possible on around which date people
play the game.
This means no heuristics is possible on around which date people
play the game.
r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r24946:a1951e14b9d1 r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13836:eebc73cc40b6 r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13836:eebc73cc40b6 r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13836:eebc73cc40b6 r13836:eebc73cc40b6 r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13836:eebc73cc40b6 r13825:5de0a5d39b9e r13836:eebc73cc40b6 r13836:eebc73cc40b6 r13836:eebc73cc40b6 r13836:eebc73cc40b6 r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r13825:5de0a5d39b9e r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r24946:a1951e14b9d1 r13825:5de0a5d39b9e | /*
* 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 pathfinder_func.h General functions related to pathfinders. */
#ifndef PATHFINDER_FUNC_H
#define PATHFINDER_FUNC_H
#include "../tile_cmd.h"
#include "../waypoint_base.h"
/**
* Calculates the tile of given station that is closest to a given tile
* for this we assume the station is a rectangle,
* as defined by its tile are (st->train_station)
* @param station The station to calculate the distance to
* @param tile The tile from where to calculate the distance
* @param station_type the station type to get the closest tile of
* @return The closest station tile to the given tile.
*/
static inline TileIndex CalcClosestStationTile(StationID station, TileIndex tile, StationType station_type)
{
const BaseStation *st = BaseStation::Get(station);
TileArea ta;
st->GetTileArea(&ta, station_type);
/* If the rail station is (temporarily) not present, use the station sign to drive near the station */
if (ta.tile == INVALID_TILE) return st->xy;
uint minx = TileX(ta.tile); // topmost corner of station
uint miny = TileY(ta.tile);
uint maxx = minx + ta.w - 1; // lowermost corner of station
uint maxy = miny + ta.h - 1;
/* we are going the aim for the x coordinate of the closest corner
* but if we are between those coordinates, we will aim for our own x coordinate */
uint x = ClampU(TileX(tile), minx, maxx);
/* same for y coordinate, see above comment */
uint y = ClampU(TileY(tile), miny, maxy);
/* return the tile of our target coordinates */
return TileXY(x, y);
}
/**
* Wrapper around GetTileTrackStatus() and TrackStatusToTrackdirBits(), as for
* single tram bits GetTileTrackStatus() returns 0. The reason for this is
* that there are no half-tile TrackBits in OpenTTD.
* This tile, however, is a valid tile for trams, one on which they can
* reverse safely. To "fix" this, pretend that if we are on a half-tile, we
* are in fact on a straight tram track tile. CFollowTrackT will make sure
* the pathfinders cannot exit on the wrong side and allows reversing on such
* tiles.
*/
static inline TrackdirBits GetTrackdirBitsForRoad(TileIndex tile, RoadTramType rtt)
{
TrackdirBits bits = TrackStatusToTrackdirBits(GetTileTrackStatus(tile, TRANSPORT_ROAD, rtt));
if (rtt == RTT_TRAM && bits == TRACKDIR_BIT_NONE) {
if (IsNormalRoadTile(tile)) {
RoadBits rb = GetRoadBits(tile, RTT_TRAM);
switch (rb) {
case ROAD_NE:
case ROAD_SW:
bits = TRACKDIR_BIT_X_NE | TRACKDIR_BIT_X_SW;
break;
case ROAD_NW:
case ROAD_SE:
bits = TRACKDIR_BIT_Y_NW | TRACKDIR_BIT_Y_SE;
break;
default: break;
}
}
}
return bits;
}
#endif /* PATHFINDER_FUNC_H */
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