spine-runtimes/spine-cpp/include/spine/PathConstraintMixTimeline.h
Mario Zechner 7b0bf128ff [cpp] Port AnimationState additive/hold rework, Skin placeholder rename, timeline API changes from spine-libgdx
- Replace MixBlend/MixDirection with bool fromSetup/add/out in all timeline apply() signatures
- Remove MixBlend.h and MixDirection.h (no longer used)
- Add Timeline::_additive and _instant fields
- Replace TrackEntry holdPrevious/interruptAlpha/mixBlend with additive/keepHold
- Rewrite AnimationState hold system with bitmask (Subsequent/First/Hold/HoldFirst)
- Rewrite applyMixingFrom alpha computation
- Rename Skin::AttachmentMap::Entry::_name to _placeholderName
- Fix SkeletonBinary::readLong() sign extension bug truncating 64-bit hashes
- Fix SkeletonSerializer sequence and bones null/empty parity with Java
- Add transition frame testing to HeadlessTest
- Port all doc updates from spine-libgdx
2026-03-24 21:09:50 +01:00

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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated April 5, 2025. Replaces all prior versions.
*
* Copyright (c) 2013-2025, Esoteric Software LLC
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* conditions of Section 2 of the Spine Editor License Agreement:
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*
* 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
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#ifndef Spine_PathConstraintMixTimeline_h
#define Spine_PathConstraintMixTimeline_h
#include <spine/CurveTimeline.h>
#include <spine/ConstraintTimeline.h>
namespace spine {
/// Changes PathConstraintPose::getMixRotate(), PathConstraintPose::getMixX(), and
/// PathConstraintPose::getMixY().
class SP_API PathConstraintMixTimeline : public CurveTimeline, public ConstraintTimeline {
friend class SkeletonBinary;
friend class SkeletonJson;
RTTI_DECL
public:
explicit PathConstraintMixTimeline(size_t frameCount, size_t bezierCount, int constraintIndex);
virtual ~PathConstraintMixTimeline();
virtual void apply(Skeleton &skeleton, float lastTime, float time, Array<Event *> *events, float alpha, bool fromSetup, bool add, bool out,
bool appliedPose) override;
/// Sets the time and color for the specified frame.
/// @param frame Between 0 and frameCount, inclusive.
/// @param time The frame time in seconds.
void setFrame(int frame, float time, float mixRotate, float mixX, float mixY);
virtual int getConstraintIndex() const override {
return _constraintIndex;
}
virtual void setConstraintIndex(int inValue) override {
_constraintIndex = inValue;
}
private:
int _constraintIndex;
static const int ENTRIES = 4;
static const int ROTATE = 1;
static const int X = 2;
static const int Y = 3;
};
}
#endif /* Spine_PathConstraintMixTimeline_h */