diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/TimelineExtensions.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/TimelineExtensions.cs new file mode 100644 index 000000000..03f14aa55 --- /dev/null +++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/TimelineExtensions.cs @@ -0,0 +1,91 @@ +/****************************************************************************** + * Spine Runtimes License Agreement + * Last updated January 1, 2020. Replaces all prior versions. + * + * Copyright (c) 2013-2020, 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. + *****************************************************************************/ + +using UnityEngine; +using System.Collections.Generic; +using System.Collections; + +namespace Spine.Unity.AnimationTools { + public static class TimelineExtensions { + + /// Evaluates the resulting value of a TranslateTimeline at a given time. + /// SkeletonData can be accessed from Skeleton.Data or from SkeletonDataAsset.GetSkeletonData. + /// If no SkeletonData is given, values are computed relative to setup pose instead of local-absolute. + public static Vector2 Evaluate (this TranslateTimeline timeline, float time, SkeletonData skeletonData = null) { + const int PREV_TIME = -3, PREV_X = -2, PREV_Y = -1; + const int X = 1, Y = 2; + + var frames = timeline.frames; + if (time < frames[0]) return Vector2.zero; + + float x, y; + if (time >= frames[frames.Length - TranslateTimeline.ENTRIES]) { // Time is after last frame. + x = frames[frames.Length + PREV_X]; + y = frames[frames.Length + PREV_Y]; + } + else { + // Interpolate between the previous frame and the current frame. + int frame = Animation.BinarySearch(frames, time, TranslateTimeline.ENTRIES); + x = frames[frame + PREV_X]; + y = frames[frame + PREV_Y]; + float frameTime = frames[frame]; + float percent = timeline.GetCurvePercent(frame / TranslateTimeline.ENTRIES - 1, + 1 - (time - frameTime) / (frames[frame + PREV_TIME] - frameTime)); + + x += (frames[frame + X] - x) * percent; + y += (frames[frame + Y] - y) * percent; + } + + Vector2 xy = new Vector2(x, y); + if (skeletonData == null) { + return xy; + } + else { + var boneData = skeletonData.bones.Items[timeline.boneIndex]; + return xy + new Vector2(boneData.x, boneData.y); + } + } + + /// Gets the translate timeline for a given boneIndex. + /// You can get the boneIndex using SkeletonData.FindBoneIndex. + /// The root bone is always boneIndex 0. + /// This will return null if a TranslateTimeline is not found. + public static TranslateTimeline FindTranslateTimelineForBone (this Animation a, int boneIndex) { + foreach (var timeline in a.timelines) { + if (timeline.GetType().IsSubclassOf(typeof(TranslateTimeline))) + continue; + + var translateTimeline = timeline as TranslateTimeline; + if (translateTimeline != null && translateTimeline.boneIndex == boneIndex) + return translateTimeline; + } + return null; + } + } +} diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/TimelineExtensions.cs.meta b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/TimelineExtensions.cs.meta new file mode 100644 index 000000000..6198f84aa --- /dev/null +++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/TimelineExtensions.cs.meta @@ -0,0 +1,12 @@ +fileFormatVersion: 2 +guid: 07807fefbff25484ba41b1d16911fb0e +timeCreated: 1591974498 +licenseType: Pro +MonoImporter: + serializedVersion: 2 + defaultReferences: [] + executionOrder: 0 + icon: {instanceID: 0} + userData: + assetBundleName: + assetBundleVariant: