KUDr@3900: /* $Id$ */
KUDr@3900: 
KUDr@3900: #include "../stdafx.h"
KUDr@3900: 
KUDr@3900: #include "yapf.hpp"
KUDr@3900: #include "follow_track.hpp"
KUDr@3900: #include "yapf_node_rail.hpp"
KUDr@3900: #include "yapf_costbase.hpp"
KUDr@3900: #include "yapf_costcache.hpp"
KUDr@3900: 
KUDr@3910: /** translate tileh to the bitset of up-hill trackdirs */
KUDr@3900: const TrackdirBits CYapfCostBase::c_upwards_slopes[] = {
KUDr@3900: 	TRACKDIR_BIT_NONE                    , // no tileh
KUDr@3900: 	TRACKDIR_BIT_X_SW | TRACKDIR_BIT_Y_NW, // 1
KUDr@3900: 	TRACKDIR_BIT_X_SW | TRACKDIR_BIT_Y_SE, // 2
KUDr@3900: 	TRACKDIR_BIT_X_SW                    , // 3
KUDr@3900: 	TRACKDIR_BIT_X_NE | TRACKDIR_BIT_Y_SE, // 4
KUDr@3900: 	TRACKDIR_BIT_NONE                    , // 5
KUDr@3900: 	TRACKDIR_BIT_Y_SE                    , // 6
KUDr@3900: 	TRACKDIR_BIT_NONE                    , // 7
KUDr@3900: 	TRACKDIR_BIT_X_NE | TRACKDIR_BIT_Y_NW, // 8,
KUDr@3900: 	TRACKDIR_BIT_Y_NW                    , // 9
KUDr@3900: 	TRACKDIR_BIT_NONE                    , //10
KUDr@3900: 	TRACKDIR_BIT_NONE                    , //11,
KUDr@3900: 	TRACKDIR_BIT_X_NE                    , //12
KUDr@3900: 	TRACKDIR_BIT_NONE                    , //13
KUDr@3900: 	TRACKDIR_BIT_NONE                    , //14
KUDr@3900: 	TRACKDIR_BIT_NONE                    , //15
KUDr@3900: };
KUDr@5626: 
KUDr@5626: const char* GetTrackdirName(Trackdir td)
KUDr@5626: {
KUDr@5626: 	static const char * const td_names[] = {
KUDr@5626: 		"INVALID_TRACKDIR",
KUDr@5626: 		"X_NE",
KUDr@5626: 		"Y_SE",
KUDr@5626: 		"UPPER_E",
KUDr@5626: 		"LOWER_E",
KUDr@5626: 		"LEFT_S",
KUDr@5626: 		"RIGHT_S",
KUDr@5626: 		"<6>",
KUDr@5626: 		"<7>",
KUDr@5626: 		"X_SW",
KUDr@5626: 		"Y_NW",
KUDr@5626: 		"UPPER_W",
KUDr@5626: 		"LOWER_W",
KUDr@5626: 		"LEFT_N",
KUDr@5626: 		"RIGHT_N",
KUDr@5626: 		"TRACKDIR_END"
KUDr@5626: 	};
KUDr@5626: 	if (((int)td <= (int)TRACKDIR_END)) {
KUDr@5626: 		int idx = ((int8)td) + 1;
KUDr@5626: 		return td_names[idx];
KUDr@5626: 	}
KUDr@5626: 	return "<invalid value>";
KUDr@5626: }
KUDr@5626: 
KUDr@5626: CStrA GetTrackdirBitsName(TrackdirBits td_bits)
KUDr@5626: {
KUDr@5626: 	CStrA name;
KUDr@5626: 	for(int tdb = td_bits; tdb != 0; tdb = KillFirstBit2x64(tdb)) {
KUDr@5626: 		name.Format("%s%s", name.Size() > 0 ? "+" : "", GetTrackdirName((Trackdir)FindFirstBit2x64(tdb)));
KUDr@5626: 	}
KUDr@5626: 	return name.Transfer();
KUDr@5626: }