加入5套spine官方运行时

DateToSpine/third_party/spine-runtimes/4.3/spine-cpp/src/spine/IkConstraintTimeline.cpp

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated April 5, 2025. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2025, 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
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+ * 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.
+ *****************************************************************************/
+
+#include <spine/IkConstraintTimeline.h>
+
+#include <spine/Event.h>
+#include <spine/Skeleton.h>
+
+#include <spine/Animation.h>
+#include <spine/IkConstraint.h>
+#include <spine/IkConstraintData.h>
+#include <spine/IkConstraintPose.h>
+#include <spine/Property.h>
+#include <spine/Slot.h>
+#include <spine/SlotData.h>
+
+using namespace spine;
+
+RTTI_IMPL_MULTI(IkConstraintTimeline, CurveTimeline, ConstraintTimeline)
+
+IkConstraintTimeline::IkConstraintTimeline(size_t frameCount, size_t bezierCount, int constraintIndex)
+	: CurveTimeline(frameCount, IkConstraintTimeline::ENTRIES, bezierCount), ConstraintTimeline(), _constraintIndex(constraintIndex) {
+	PropertyId ids[] = {((PropertyId) Property_IkConstraint << 32) | constraintIndex};
+	setPropertyIds(ids, 1);
+}
+
+IkConstraintTimeline::~IkConstraintTimeline() {
+}
+
+void IkConstraintTimeline::apply(Skeleton &skeleton, float lastTime, float time, Array<Event *> *events, float alpha, MixFrom from, bool add,
+								 bool out, bool appliedPose) {
+	SP_UNUSED(lastTime);
+	SP_UNUSED(events);
+	SP_UNUSED(add);
+
+	IkConstraint *constraint = (IkConstraint *) skeleton._constraints[_constraintIndex];
+	if (!constraint->isActive()) return;
+	IkConstraintPose &pose = appliedPose ? *constraint->_appliedPose : constraint->_pose;
+
+	if (time < _frames[0]) {
+		IkConstraintPose &setup = constraint->_data._setupPose;
+		switch (from) {
+			case MixFrom_Setup:
+				pose._mix = setup._mix;
+				pose._softness = setup._softness;
+				pose._bendDirection = setup._bendDirection;
+				pose._compress = setup._compress;
+				pose._stretch = setup._stretch;
+				break;
+			case MixFrom_First:
+				pose._mix += (setup._mix - pose._mix) * alpha;
+				pose._softness += (setup._softness - pose._softness) * alpha;
+				pose._bendDirection = setup._bendDirection;
+				pose._compress = setup._compress;
+				pose._stretch = setup._stretch;
+				break;
+			case MixFrom_Current:
+				break;
+		}
+		return;
+	}
+
+	float mix = 0, softness = 0;
+	int i = Animation::search(_frames, time, ENTRIES);
+	int curveType = (int) _curves[i / ENTRIES];
+	switch (curveType) {
+		case LINEAR: {
+			float before = _frames[i];
+			mix = _frames[i + MIX];
+			softness = _frames[i + SOFTNESS];
+			float t = (time - before) / (_frames[i + ENTRIES] - before);
+			mix += (_frames[i + ENTRIES + MIX] - mix) * t;
+			softness += (_frames[i + ENTRIES + SOFTNESS] - softness) * t;
+			break;
+		}
+		case STEPPED: {
+			mix = _frames[i + MIX];
+			softness = _frames[i + SOFTNESS];
+			break;
+		}
+		default: {
+			mix = getBezierValue(time, i, MIX, curveType - BEZIER);
+			softness = getBezierValue(time, i, SOFTNESS, curveType + BEZIER_SIZE - BEZIER);
+		}
+	}
+
+	IkConstraintPose &base = from == MixFrom_Setup ? constraint->_data._setupPose : pose;
+	pose._mix = base._mix + (mix - base._mix) * alpha;
+	pose._softness = base._softness + (softness - base._softness) * alpha;
+	if (out) {
+		if (from == MixFrom_Setup) {
+			pose._bendDirection = base._bendDirection;
+			pose._compress = base._compress;
+			pose._stretch = base._stretch;
+		}
+	} else {
+		pose._bendDirection = (int) _frames[i + BEND_DIRECTION];
+		pose._compress = _frames[i + COMPRESS] != 0;
+		pose._stretch = _frames[i + STRETCH] != 0;
+	}
+}
+
+void IkConstraintTimeline::setFrame(int frame, float time, float mix, float softness, int bendDirection, bool compress, bool stretch) {
+	frame *= ENTRIES;
+	_frames[frame] = time;
+	_frames[frame + MIX] = mix;
+	_frames[frame + SOFTNESS] = softness;
+	_frames[frame + BEND_DIRECTION] = (float) bendDirection;
+	_frames[frame + COMPRESS] = compress ? 1 : 0;
+	_frames[frame + STRETCH] = stretch ? 1 : 0;
+}