/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software
 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#ifdef SPINE_UE4
    #include "SpinePluginPrivatePCH.h"
#endif

#include <spine/PointAttachment.h>

#include <spine/Bone.h>

#include <spine/MathUtil.h>

using namespace spine;

RTTI_IMPL(PointAttachment, Attachment)

PointAttachment::PointAttachment(const String &name) : Attachment(name), _x(0), _y(0), _rotation(0) {
}

void PointAttachment::computeWorldPosition(Bone &bone, float &ox, float &oy) {
    bone.localToWorld(_x, _y, ox, oy);
}

float PointAttachment::computeWorldRotation(Bone &bone) {
    float cos = MathUtil::cosDeg(_rotation);
    float sin = MathUtil::sinDeg(_rotation);
    float ix = cos * bone._a + sin * bone._b;
    float iy = cos * bone._c + sin * bone._d;

    return MathUtil::atan2(iy, ix) * MathUtil::Rad_Deg;
}

float PointAttachment::getX() {
    return _x;
}

void PointAttachment::setX(float inValue) {
    _x = inValue;
}

float PointAttachment::getY() {
    return _y;
}

void PointAttachment::setY(float inValue) {
    _y = inValue;
}

float PointAttachment::getRotation() {
    return _rotation;
}

void PointAttachment::setRotation(float inValue) {
    _rotation = inValue;
}

Attachment *PointAttachment::copy() {
    PointAttachment *copy = spine_new PointAttachment(getName());
    copy->_x = _x;
    copy->_y = _y;
    copy->_rotation = _rotation;
    return copy;
}
