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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program 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; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MovementDefines.h"
#include "ObjectDefines.h"
#include "Position.h"
#include <algorithm>
// ---- ChaseRange ---- //
ChaseRange::ChaseRange(float range) : MinRange(range > CONTACT_DISTANCE ? 0 : range - CONTACT_DISTANCE), MinTolerance(range), MaxRange(range + CONTACT_DISTANCE), MaxTolerance(range) { }
ChaseRange::ChaseRange(float _minRange, float _maxRange) : MinRange(_minRange), MinTolerance(std::min(_minRange + CONTACT_DISTANCE, (_minRange + _maxRange) / 2)), MaxRange(_maxRange), MaxTolerance(std::max(_maxRange - CONTACT_DISTANCE, MinTolerance)) { }
ChaseRange::ChaseRange(float _minRange, float _minTolerance, float _maxTolerance, float _maxRange) : MinRange(_minRange), MinTolerance(_minTolerance), MaxRange(_maxRange), MaxTolerance(_maxTolerance) { }
// ---- ChaseAngle ---- //
ChaseAngle::ChaseAngle(float angle, float _tolerance/* = M_PI_4*/) : RelativeAngle(Position::NormalizeOrientation(angle)), Tolerance(_tolerance) { }
float ChaseAngle::UpperBound() const
{
return Position::NormalizeOrientation(RelativeAngle + Tolerance);
}
float ChaseAngle::LowerBound() const
{
return Position::NormalizeOrientation(RelativeAngle - Tolerance);
}
bool ChaseAngle::IsAngleOkay(float relativeAngle) const
{
float const diff = std::abs(relativeAngle - RelativeAngle);
return (std::min(diff, float(2 * M_PI) - diff) <= Tolerance);
}
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