加入5套spine官方运行时

DateToSpine/third_party/spine-runtimes/4.3/spine-cpp/src/spine/PathConstraintMixTimeline.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
+ * 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.
+ *****************************************************************************/
+
+#include <spine/PathConstraintMixTimeline.h>
+
+#include <spine/Event.h>
+#include <spine/Skeleton.h>
+
+#include <spine/Animation.h>
+#include <spine/PathConstraint.h>
+#include <spine/PathConstraintData.h>
+#include <spine/PathConstraintPose.h>
+#include <spine/Property.h>
+#include <spine/Slot.h>
+#include <spine/SlotData.h>
+
+using namespace spine;
+
+RTTI_IMPL_MULTI(PathConstraintMixTimeline, CurveTimeline, ConstraintTimeline)
+
+PathConstraintMixTimeline::PathConstraintMixTimeline(size_t frameCount, size_t bezierCount, int constraintIndex)
+	: CurveTimeline(frameCount, PathConstraintMixTimeline::ENTRIES, bezierCount), ConstraintTimeline(), _constraintIndex(constraintIndex) {
+	PropertyId ids[] = {((PropertyId) Property_PathConstraintMix << 32) | constraintIndex};
+	setPropertyIds(ids, 1);
+}
+
+PathConstraintMixTimeline::~PathConstraintMixTimeline() {
+}
+
+void PathConstraintMixTimeline::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(out);
+
+	PathConstraint *constraint = (PathConstraint *) skeleton._constraints[_constraintIndex];
+	if (!constraint->isActive()) return;
+	PathConstraintPose &pose = appliedPose ? *constraint->_appliedPose : constraint->_pose;
+
+	if (time < _frames[0]) {
+		PathConstraintPose &setup = constraint->_data._setupPose;
+		switch (from) {
+			case MixFrom_Setup:
+				pose._mixRotate = setup._mixRotate;
+				pose._mixX = setup._mixX;
+				pose._mixY = setup._mixY;
+				break;
+			case MixFrom_First:
+				pose._mixRotate += (setup._mixRotate - pose._mixRotate) * alpha;
+				pose._mixX += (setup._mixX - pose._mixX) * alpha;
+				pose._mixY += (setup._mixY - pose._mixY) * alpha;
+				break;
+			case MixFrom_Current:
+				break;
+		}
+		return;
+	}
+
+	float rotate, x, y;
+	int i = Animation::search(_frames, time, PathConstraintMixTimeline::ENTRIES);
+	int curveType = (int) _curves[i >> 2];
+	switch (curveType) {
+		case LINEAR: {
+			float before = _frames[i];
+			rotate = _frames[i + ROTATE];
+			x = _frames[i + X];
+			y = _frames[i + Y];
+			float t = (time - before) / (_frames[i + ENTRIES] - before);
+			rotate += (_frames[i + ENTRIES + ROTATE] - rotate) * t;
+			x += (_frames[i + ENTRIES + X] - x) * t;
+			y += (_frames[i + ENTRIES + Y] - y) * t;
+			break;
+		}
+		case STEPPED: {
+			rotate = _frames[i + ROTATE];
+			x = _frames[i + X];
+			y = _frames[i + Y];
+			break;
+		}
+		default: {
+			rotate = getBezierValue(time, i, ROTATE, curveType - BEZIER);
+			x = getBezierValue(time, i, X, curveType + BEZIER_SIZE - BEZIER);
+			y = getBezierValue(time, i, Y, curveType + BEZIER_SIZE * 2 - BEZIER);
+		}
+	}
+
+	PathConstraintPose &base = from == MixFrom_Setup ? constraint->_data._setupPose : pose;
+	if (add) {
+		pose._mixRotate = base._mixRotate + rotate * alpha;
+		pose._mixX = base._mixX + x * alpha;
+		pose._mixY = base._mixY + y * alpha;
+	} else {
+		pose._mixRotate = base._mixRotate + (rotate - base._mixRotate) * alpha;
+		pose._mixX = base._mixX + (x - base._mixX) * alpha;
+		pose._mixY = base._mixY + (y - base._mixY) * alpha;
+	}
+}
+
+void PathConstraintMixTimeline::setFrame(int frame, float time, float mixRotate, float mixX, float mixY) {
+	frame *= ENTRIES;
+	_frames[frame] = time;
+	_frames[frame + ROTATE] = mixRotate;
+	_frames[frame + X] = mixX;
+	_frames[frame + Y] = mixY;
+}