[cpp] Sequence timeline.

spine-cpp/spine-cpp/include/spine/Animation.h

@@ -116,16 +116,15 @@ namespace spine {
 
 		void setDuration(float inValue);
 
+		/// @param target After the first and before the last entry.
+		static int search(Vector<float> &values, float target);
+
+		static int search(Vector<float> &values, float target, int step);
 	private:
 		Vector<Timeline *> _timelines;
 		HashMap<PropertyId, bool> _timelineIds;
 		float _duration;
 		String _name;
-
-		/// @param target After the first and before the last entry.
-		static int search(Vector<float> &values, float target);
-
-		static int search(Vector<float> &values, float target, int step);
 	};
 }
 

spine-cpp/spine-cpp/include/spine/Property.h

@@ -51,7 +51,8 @@ namespace spine {
 		Property_TransformConstraint = 1 << 15,
 		Property_PathConstraintPosition = 1 << 16,
 		Property_PathConstraintSpacing = 1 << 17,
-		Property_PathConstraintMix = 1 << 18
+		Property_PathConstraintMix = 1 << 18,
+		Property_Sequence = 1 << 19
 	};
 }
 

spine-cpp/spine-cpp/include/spine/SequenceTimeline.h

@@ -0,0 +1,77 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated September 24, 2021. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2021, 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.
+ *****************************************************************************/
+
+#ifndef Spine_SequenceTimeline_h
+#define Spine_SequenceTimeline_h
+
+#ifdef SPINE_UE4
+#include "SpinePluginPrivatePCH.h"
+#endif
+
+#include <spine/Timeline.h>
+#include <spine/Sequence.h>
+
+namespace spine {
+	class Attachment;
+
+	class SP_API SequenceTimeline : public Timeline {
+		friend class SkeletonBinary;
+
+		friend class SkeletonJson;
+
+	RTTI_DECL
+
+	public:
+		explicit SequenceTimeline(size_t frameCount, int slotIndex, spine::Attachment *attachment);
+
+		virtual ~SequenceTimeline();
+
+		virtual void
+		apply(Skeleton &skeleton, float lastTime, float time, Vector<Event *> *pEvents, float alpha, MixBlend blend,
+			  MixDirection direction);
+
+		void setFrame(int frame, float time, SequenceMode mode, int index, float delay);
+
+		int getSlotIndex() { return _slotIndex; };
+
+		void setSlotIndex(int inValue) { _slotIndex = inValue; }
+
+		Attachment *getAttachment() { return _attachment; }
+
+	protected:
+		int _slotIndex;
+		Attachment *_attachment;
+
+		static const int ENTRIES = 3;
+		static const int MODE = 1;
+		static const int DELAY = 2;
+	};
+}
+
+#endif /* Spine_SequenceTimeline_h */

spine-cpp/spine-cpp/src/spine/SequenceTimeline.cpp

@@ -0,0 +1,129 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated September 24, 2021. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2021, 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/Bone.h>
+#include <spine/SequenceTimeline.h>
+#include <spine/RegionAttachment.h>
+#include <spine/MeshAttachment.h>
+#include <spine/Event.h>
+#include <spine/Skeleton.h>
+#include <spine/Attachment.h>
+#include <spine/PathConstraint.h>
+#include <spine/PathConstraintData.h>
+#include <spine/Slot.h>
+#include <spine/SlotData.h>
+#include <spine/Animation.h>
+
+using namespace spine;
+
+RTTI_IMPL(SequenceTimeline, Timeline)
+
+SequenceTimeline::SequenceTimeline(size_t frameCount, int slotIndex, Attachment *attachment) : Timeline(frameCount, ENTRIES), _slotIndex(slotIndex), _attachment(attachment) {
+	int sequenceId = 0;
+	if (attachment->getRTTI().instanceOf(RegionAttachment::rtti)) sequenceId = ((RegionAttachment *) attachment)->getSequence()->getId();
+	if (attachment->getRTTI().instanceOf(MeshAttachment::rtti)) sequenceId = ((MeshAttachment *) attachment)->getSequence()->getId();
+	PropertyId ids[] = {((PropertyId) Property_Sequence << 32) | ((slotIndex << 16 | sequenceId) & 0xffffffff)};
+	setPropertyIds(ids, 1);
+}
+
+SequenceTimeline::~SequenceTimeline() {
+}
+
+void SequenceTimeline::setFrame(int frame, float time, SequenceMode mode, int index, float delay) {
+	Vector<float> &frames = this->_frames;
+	frame *= ENTRIES;
+	frames[frame] = time;
+	frames[frame + MODE] = mode | (index << 4);
+	frames[frame + DELAY] = delay;
+}
+
+void SequenceTimeline::apply(Skeleton &skeleton, float lastTime, float time, Vector<Event *> *pEvents,
+							 float alpha, MixBlend blend, MixDirection direction) {
+	SP_UNUSED(alpha);
+	SP_UNUSED(lastTime);
+	SP_UNUSED(pEvents);
+	SP_UNUSED(direction);
+
+	Slot *slot = skeleton.getSlots()[_slotIndex];
+	if (!slot->getBone().isActive()) return;
+	Attachment *slotAttachment = slot->getAttachment();
+	if (slotAttachment != _attachment) {
+		if (!slotAttachment->getRTTI().instanceOf(VertexAttachment::rtti) || ((VertexAttachment *) slotAttachment)->getTimelineAttachment() != _attachment) return;
+	}
+
+	Vector<float> &frames = this->_frames;
+	if (time < frames[0]) {// Time is before first frame.
+		if (blend == MixBlend_Setup || blend == MixBlend_First) slot->setSequenceIndex(-1);
+		return;
+	}
+
+	int i = Animation::search(frames, time, ENTRIES);
+	float before = frames[i];
+	int modeAndIndex = (int) frames[i + MODE];
+	float delay = frames[i + DELAY];
+
+	Sequence *sequence = NULL;
+	if (_attachment->getRTTI().instanceOf(RegionAttachment::rtti)) sequence = ((RegionAttachment *) _attachment)->getSequence();
+	if (_attachment->getRTTI().instanceOf(MeshAttachment::rtti)) sequence = ((MeshAttachment *) _attachment)->getSequence();
+	int index = modeAndIndex >> 4, count = sequence->getRegions().size();
+	int mode = modeAndIndex & 0xf;
+	if (mode != SequenceMode::hold) {
+		index += (int) (((time - before) / delay + 0.00001));
+		switch (mode) {
+			case SequenceMode::once:
+				index = MathUtil::min(count - 1, index);
+				break;
+			case SequenceMode::loop:
+				index %= count;
+				break;
+			case SequenceMode::pingpong: {
+				int n = (count << 1) - 2;
+				index %= n;
+				if (index >= count) index = n - index;
+				break;
+			}
+			case SequenceMode::onceReverse:
+				index = MathUtil::max(count - 1 - index, 0);
+				break;
+			case SequenceMode::loopReverse:
+				index = count - 1 - (index % count);
+				break;
+			case SequenceMode::pingpongReverse: {
+				int n = (count << 1) - 2;
+				index = (index + count - 1) % n;
+				if (index >= count) index = n - index;
+			}
+		}
+	}
+	slot->setSequenceIndex(index);
+}