106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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Copyright (c) 2014, Project OSRM contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TURN_INSTRUCTIONS_HPP
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#define TURN_INSTRUCTIONS_HPP
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enum class TurnInstruction : unsigned char
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{
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NoTurn = 0,
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GoStraight,
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TurnSlightRight,
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TurnRight,
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TurnSharpRight,
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UTurn,
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TurnSharpLeft,
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TurnLeft,
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TurnSlightLeft,
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ReachViaLocation,
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HeadOn,
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EnterRoundAbout,
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LeaveRoundAbout,
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StayOnRoundAbout,
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StartAtEndOfStreet,
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ReachedYourDestination,
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EnterAgainstAllowedDirection,
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LeaveAgainstAllowedDirection,
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InverseAccessRestrictionFlag = 127,
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AccessRestrictionFlag = 128,
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AccessRestrictionPenalty = 129
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};
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struct TurnInstructionsClass
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{
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TurnInstructionsClass() = delete;
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TurnInstructionsClass(const TurnInstructionsClass &) = delete;
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static inline TurnInstruction GetTurnDirectionOfInstruction(const double angle)
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{
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if (angle >= 23 && angle < 67)
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{
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return TurnInstruction::TurnSharpRight;
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}
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if (angle >= 67 && angle < 113)
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{
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return TurnInstruction::TurnRight;
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}
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if (angle >= 113 && angle < 158)
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{
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return TurnInstruction::TurnSlightRight;
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}
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if (angle >= 158 && angle < 202)
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{
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return TurnInstruction::GoStraight;
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}
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if (angle >= 202 && angle < 248)
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{
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return TurnInstruction::TurnSlightLeft;
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}
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if (angle >= 248 && angle < 292)
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{
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return TurnInstruction::TurnLeft;
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}
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if (angle >= 292 && angle < 336)
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{
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return TurnInstruction::TurnSharpLeft;
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}
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return TurnInstruction::UTurn;
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}
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static inline bool TurnIsNecessary(const TurnInstruction turn_instruction)
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{
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if (TurnInstruction::NoTurn == turn_instruction ||
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TurnInstruction::StayOnRoundAbout == turn_instruction)
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{
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return false;
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}
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return true;
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}
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};
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#endif /* TURN_INSTRUCTIONS_HPP */
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