spine-runtimes/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
Stephen Gowen 8b53400425 wip
2017-11-25 17:47:43 -05:00

110 lines
4.9 KiB
C++

/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* 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 THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef Spine_PathConstraintPositionTimeline_h
#define Spine_PathConstraintPositionTimeline_h
#include <spine/CurveTimeline.h>
namespace Spine
{
class PathConstraintPositionTimeline : public CurveTimeline
{
RTTI_DECL;
public:
static const int ENTRIES;
PathConstraintPositionTimeline(int frameCount);
virtual void apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>& events, float alpha, MixPose pose, MixDirection direction);
virtual int getPropertyId();
protected:
static const int PREV_TIME, PREV_VALUE;
static const int VALUE;
Vector<float> _frames;
int _pathConstraintIndex;
//
//
//
//
// public int PathConstraintIndex { return pathConstraintIndex; } set { pathConstraintIndex = inValue; }
// public float[] Frames { return frames; } set { frames = inValue; } // time, position, ...
//
// /// Sets the time and value of the specified keyframe.
// public void setFrame (int frameIndex, float time, float value) {
// frameIndex *= ENTRIES;
// frames[frameIndex] = time;
// frames[frameIndex + VALUE] = inValue;
// }
//
// override public void Apply (Skeleton skeleton, float lastTime, float time, Vector<Event> firedEvents, float alpha, MixPose pose, MixDirection direction) {
// PathConstraint constraint = skeleton.pathConstraints.Items[pathConstraintIndex];
// float[] frames = _frames;
// if (time < frames[0]) {
// switch (pose) {
// case MixPose_Setup:
// constraint.position = constraint.data.position;
// return;
// case MixPose_Current:
// constraint.position += (constraint.data.position - constraint.position) * alpha;
// return;
// }
// return;
// }
//
// float position;
// if (time >= frames[frames.Length - ENTRIES]) // Time is after last frame.
// position = frames[frames.Length + PREV_VALUE];
// else {
// // Interpolate between the previous frame and the current frame.
// int frame = Animation::binarySearch(frames, time, ENTRIES);
// position = frames[frame + PREV_VALUE];
// float frameTime = frames[frame];
// float percent = GetCurvePercent(frame / ENTRIES - 1,
// 1 - (time - frameTime) / (frames[frame + PREV_TIME] - frameTime));
//
// position += (frames[frame + VALUE] - position) * percent;
// }
// if (pose == MixPose_Setup)
// constraint.position = constraint.data.position + (position - constraint.data.position) * alpha;
// else
// constraint.position += (position - constraint.position) * alpha;
// }
};
}
#endif /* Spine_PathConstraintPositionTimeline_h */