|
@@ -3,40 +3,42 @@
|
|
|
/*
|
|
|
* 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 yapf_costbase.hpp Handling of cost determination. */
|
|
|
|
|
|
#ifndef YAPF_COSTBASE_HPP
|
|
|
#define YAPF_COSTBASE_HPP
|
|
|
|
|
|
/** Base implementation for cost accounting. */
|
|
|
struct CYapfCostBase {
|
|
|
/**
|
|
|
* Does the given track direction on the given tile yeild an uphill penalty?
|
|
|
* @param tile The tile to check.
|
|
|
* @param td The track direction to check.
|
|
|
* @return True if there's a slope, otherwise false.
|
|
|
*/
|
|
|
FORCEINLINE static bool stSlopeCost(TileIndex tile, Trackdir td)
|
|
|
{
|
|
|
if (IsDiagonalTrackdir(td)) {
|
|
|
if (IsBridgeTile(tile)) {
|
|
|
/* it is bridge ramp, check if we are entering the bridge */
|
|
|
if (GetTunnelBridgeDirection(tile) != TrackdirToExitdir(td)) return false; // no, we are leaving it, no penalty
|
|
|
/* we are entering the bridge */
|
|
|
Slope tile_slope = GetTileSlope(tile, NULL);
|
|
|
Axis axis = DiagDirToAxis(GetTunnelBridgeDirection(tile));
|
|
|
return !HasBridgeFlatRamp(tile_slope, axis);
|
|
|
} else {
|
|
|
/* not bridge ramp */
|
|
|
if (IsTunnelTile(tile)) return false; // tunnel entry/exit doesn't slope
|
|
|
Slope tile_slope = GetTileSlope(tile, NULL);
|
|
|
return IsUphillTrackdir(tile_slope, td); // slopes uphill => apply penalty
|
|
|
}
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
struct CostRailSettings {
|
|
|
/* look-ahead signal penalty */
|
|
|
};
|
|
|
|
|
|
|
|
|
#endif /* YAPF_COSTBASE_HPP */
|