(svn r18364) -Codechange: move the pathfinders and their related files into a separate directory

src/pathfinder/yapf/yapf_costbase.hpp

@@ -0,0 +1,42 @@
+/* $Id$ */
+
+/*
+ * 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 yapf_costbase.hpp Handling of cost determination. */
+
+#ifndef  YAPF_COSTBASE_HPP
+#define  YAPF_COSTBASE_HPP
+
+struct CYapfCostBase {
+	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 */