77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
#ifndef OSRM_ENGINE_GUIDANCE_TOOLKIT_HPP_
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#define OSRM_ENGINE_GUIDANCE_TOOLKIT_HPP_
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#include "extractor/guidance/turn_instruction.hpp"
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#include "util/bearing.hpp"
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#include <algorithm>
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namespace osrm
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{
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namespace engine
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{
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namespace guidance
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{
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// Silent Turn Instructions are not to be mentioned to the outside world but
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inline bool isSilent(const extractor::guidance::TurnInstruction instruction)
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{
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return instruction.type == extractor::guidance::TurnType::NoTurn ||
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instruction.type == extractor::guidance::TurnType::Suppressed ||
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instruction.type == extractor::guidance::TurnType::StayOnRoundabout;
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}
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inline bool entersRoundabout(const extractor::guidance::TurnInstruction instruction)
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{
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return (instruction.type == extractor::guidance::TurnType::EnterRoundabout ||
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instruction.type == extractor::guidance::TurnType::EnterRotary ||
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instruction.type == extractor::guidance::TurnType::EnterRoundaboutIntersection ||
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instruction.type == extractor::guidance::TurnType::EnterRoundaboutAtExit ||
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instruction.type == extractor::guidance::TurnType::EnterRotaryAtExit ||
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instruction.type == extractor::guidance::TurnType::EnterRoundaboutIntersectionAtExit ||
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instruction.type == extractor::guidance::TurnType::EnterAndExitRoundabout ||
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instruction.type == extractor::guidance::TurnType::EnterAndExitRotary ||
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instruction.type == extractor::guidance::TurnType::EnterAndExitRotary);
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}
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inline bool leavesRoundabout(const extractor::guidance::TurnInstruction instruction)
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{
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return (instruction.type == extractor::guidance::TurnType::ExitRoundabout ||
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instruction.type == extractor::guidance::TurnType::ExitRotary ||
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instruction.type == extractor::guidance::TurnType::ExitRoundaboutIntersection ||
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instruction.type == extractor::guidance::TurnType::EnterAndExitRoundabout ||
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instruction.type == extractor::guidance::TurnType::EnterAndExitRotary ||
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instruction.type == extractor::guidance::TurnType::EnterAndExitRoundaboutIntersection);
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}
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inline bool staysOnRoundabout(const extractor::guidance::TurnInstruction instruction)
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{
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return instruction.type == extractor::guidance::TurnType::StayOnRoundabout;
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}
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inline extractor::guidance::DirectionModifier angleToDirectionModifier(const double bearing)
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{
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if (bearing < 135)
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{
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return extractor::guidance::DirectionModifier::Right;
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}
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if (bearing <= 225)
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{
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return extractor::guidance::DirectionModifier::Straight;
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}
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return extractor::guidance::DirectionModifier::Left;
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}
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inline double angularDeviation(const double angle, const double from)
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{
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const double deviation = std::abs(angle - from);
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return std::min(360 - deviation, deviation);
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}
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} // namespace guidance
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} // namespace engine
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} // namespace osrm
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#endif /* OSRM_ENGINE_GUIDANCE_TOOLKIT_HPP_ */
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