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https://github.com/EsotericSoftware/spine-runtimes.git
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107 lines
3.7 KiB
C#
107 lines
3.7 KiB
C#
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated May 1, 2019. Replaces all prior versions.
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*
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* Copyright (c) 2013-2019, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
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* INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using System;
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using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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using Spine.Unity;
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namespace Spine.Unity.Playables {
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public class SpineSkeletonFlipMixerBehaviour : PlayableBehaviour {
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float originalScaleX, originalScaleY;
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float baseScaleX, baseScaleY;
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SpinePlayableHandleBase playableHandle;
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bool m_FirstFrameHappened;
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public override void ProcessFrame (Playable playable, FrameData info, object playerData) {
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playableHandle = playerData as SpinePlayableHandleBase;
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if (playableHandle == null)
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return;
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var skeleton = playableHandle.Skeleton;
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if (!m_FirstFrameHappened) {
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originalScaleX = skeleton.ScaleX;
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originalScaleY = skeleton.ScaleY;
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baseScaleX = Mathf.Abs(originalScaleX);
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baseScaleY = Mathf.Abs(originalScaleY);
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m_FirstFrameHappened = true;
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}
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int inputCount = playable.GetInputCount();
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float totalWeight = 0f;
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float greatestWeight = 0f;
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int currentInputs = 0;
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for (int i = 0; i < inputCount; i++) {
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float inputWeight = playable.GetInputWeight(i);
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ScriptPlayable<SpineSkeletonFlipBehaviour> inputPlayable = (ScriptPlayable<SpineSkeletonFlipBehaviour>)playable.GetInput(i);
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SpineSkeletonFlipBehaviour input = inputPlayable.GetBehaviour();
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totalWeight += inputWeight;
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if (inputWeight > greatestWeight) {
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SetSkeletonScaleFromFlip(skeleton, input.flipX, input.flipY);
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greatestWeight = inputWeight;
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}
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if (!Mathf.Approximately(inputWeight, 0f))
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currentInputs++;
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}
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if (currentInputs != 1 && 1f - totalWeight > greatestWeight) {
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skeleton.ScaleX = originalScaleX;
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skeleton.ScaleY = originalScaleY;
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}
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}
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public void SetSkeletonScaleFromFlip (Skeleton skeleton, bool flipX, bool flipY) {
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skeleton.ScaleX = flipX ? -baseScaleX : baseScaleX;
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skeleton.ScaleY = flipY ? -baseScaleY : baseScaleY;
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}
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public override void OnGraphStop (Playable playable) {
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m_FirstFrameHappened = false;
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if (playableHandle == null)
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return;
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var skeleton = playableHandle.Skeleton;
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skeleton.ScaleX = originalScaleX;
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skeleton.ScaleY = originalScaleY;
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}
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}
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}
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