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Location: cpp/openttd-patchpack/source/src/pathfinder/yapf/yapf_type.hpp - annotation
r21576:8f655ba7bab2
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(svn r26700) -Fix [FS#6066]: incorrect saving of order backups
r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c r20572:7bd262362f0c | /* $Id$ */
/*
* 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_type.hpp Types used by YAPF. */
#ifndef YAPF_TYPE_HPP
#define YAPF_TYPE_HPP
/* Enum used in PfCalcCost() to see why was the segment closed. */
enum EndSegmentReason {
/* The following reasons can be saved into cached segment */
ESR_DEAD_END = 0, ///< track ends here
ESR_RAIL_TYPE, ///< the next tile has a different rail type than our tiles
ESR_INFINITE_LOOP, ///< infinite loop detected
ESR_SEGMENT_TOO_LONG, ///< the segment is too long (possible infinite loop)
ESR_CHOICE_FOLLOWS, ///< the next tile contains a choice (the track splits to more than one segments)
ESR_DEPOT, ///< stop in the depot (could be a target next time)
ESR_WAYPOINT, ///< waypoint encountered (could be a target next time)
ESR_STATION, ///< station encountered (could be a target next time)
ESR_SAFE_TILE, ///< safe waiting position found (could be a target)
/* The following reasons are used only internally by PfCalcCost().
* They should not be found in the cached segment. */
ESR_PATH_TOO_LONG, ///< the path is too long (searching for the nearest depot in the given radius)
ESR_FIRST_TWO_WAY_RED, ///< first signal was 2-way and it was red
ESR_LOOK_AHEAD_END, ///< we have just passed the last look-ahead signal
ESR_TARGET_REACHED, ///< we have just reached the destination
/* Special values */
ESR_NONE = 0xFF, ///< no reason to end the segment here
};
enum EndSegmentReasonBits {
ESRB_NONE = 0,
ESRB_DEAD_END = 1 << ESR_DEAD_END,
ESRB_RAIL_TYPE = 1 << ESR_RAIL_TYPE,
ESRB_INFINITE_LOOP = 1 << ESR_INFINITE_LOOP,
ESRB_SEGMENT_TOO_LONG = 1 << ESR_SEGMENT_TOO_LONG,
ESRB_CHOICE_FOLLOWS = 1 << ESR_CHOICE_FOLLOWS,
ESRB_DEPOT = 1 << ESR_DEPOT,
ESRB_WAYPOINT = 1 << ESR_WAYPOINT,
ESRB_STATION = 1 << ESR_STATION,
ESRB_SAFE_TILE = 1 << ESR_SAFE_TILE,
ESRB_PATH_TOO_LONG = 1 << ESR_PATH_TOO_LONG,
ESRB_FIRST_TWO_WAY_RED = 1 << ESR_FIRST_TWO_WAY_RED,
ESRB_LOOK_AHEAD_END = 1 << ESR_LOOK_AHEAD_END,
ESRB_TARGET_REACHED = 1 << ESR_TARGET_REACHED,
/* Additional (composite) values. */
/* What reasons mean that the target can be found and needs to be detected. */
ESRB_POSSIBLE_TARGET = ESRB_DEPOT | ESRB_WAYPOINT | ESRB_STATION | ESRB_SAFE_TILE,
/* What reasons can be stored back into cached segment. */
ESRB_CACHED_MASK = ESRB_DEAD_END | ESRB_RAIL_TYPE | ESRB_INFINITE_LOOP | ESRB_SEGMENT_TOO_LONG | ESRB_CHOICE_FOLLOWS | ESRB_DEPOT | ESRB_WAYPOINT | ESRB_STATION | ESRB_SAFE_TILE,
/* Reasons to abort pathfinding in this direction. */
ESRB_ABORT_PF_MASK = ESRB_DEAD_END | ESRB_PATH_TOO_LONG | ESRB_INFINITE_LOOP | ESRB_FIRST_TWO_WAY_RED,
};
DECLARE_ENUM_AS_BIT_SET(EndSegmentReasonBits)
inline CStrA ValueStr(EndSegmentReasonBits bits)
{
static const char * const end_segment_reason_names[] = {
"DEAD_END", "RAIL_TYPE", "INFINITE_LOOP", "SEGMENT_TOO_LONG", "CHOICE_FOLLOWS",
"DEPOT", "WAYPOINT", "STATION", "SAFE_TILE",
"PATH_TOO_LONG", "FIRST_TWO_WAY_RED", "LOOK_AHEAD_END", "TARGET_REACHED"
};
CStrA out;
out.Format("0x%04X (%s)", bits, ComposeNameT(bits, end_segment_reason_names, "UNK", ESRB_NONE, "NONE").Data());
return out.Transfer();
}
#endif /* YAPF_TYPE_HPP */
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