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_TheStrongestSnail/TheStrongestSnail/Assets/Spine/Runtime/spine-unity/Components/SkeletonMecanim.cs
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2024-11-12 14:06:34 +08:00

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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated July 28, 2023. Replaces all prior versions.
*
* Copyright (c) 2013-2023, 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 System.Collections.Generic;
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor.Animations;
#endif
namespace Spine.Unity {
[RequireComponent(typeof(Animator))]
[HelpURL("http://esotericsoftware.com/spine-unity#SkeletonMecanim-Component")]
public class SkeletonMecanim : SkeletonRenderer, ISkeletonAnimation {
[SerializeField] protected MecanimTranslator translator;
public MecanimTranslator Translator { get { return translator; } }
private bool wasUpdatedAfterInit = true;
#region Bone and Initialization Callbacks ISkeletonAnimation
protected event ISkeletonAnimationDelegate _OnAnimationRebuild;
protected event UpdateBonesDelegate _BeforeApply;
protected event UpdateBonesDelegate _UpdateLocal;
protected event UpdateBonesDelegate _UpdateWorld;
protected event UpdateBonesDelegate _UpdateComplete;
/// <summary>OnAnimationRebuild is raised after the SkeletonAnimation component is successfully initialized.</summary>
public event ISkeletonAnimationDelegate OnAnimationRebuild { add { _OnAnimationRebuild += value; } remove { _OnAnimationRebuild -= value; } }
/// <summary>
/// Occurs before the animations are applied.
/// Use this callback when you want to change the skeleton state before animations are applied on top.
/// </summary>
public event UpdateBonesDelegate BeforeApply { add { _BeforeApply += value; } remove { _BeforeApply -= value; } }
/// <summary>
/// Occurs after the animations are applied and before world space values are resolved.
/// Use this callback when you want to set bone local values.</summary>
public event UpdateBonesDelegate UpdateLocal { add { _UpdateLocal += value; } remove { _UpdateLocal -= value; } }
/// <summary>
/// Occurs after the Skeleton's bone world space values are resolved (including all constraints).
/// Using this callback will cause the world space values to be solved an extra time.
/// Use this callback if want to use bone world space values, and also set bone local values.
/// </summary>
public event UpdateBonesDelegate UpdateWorld { add { _UpdateWorld += value; } remove { _UpdateWorld -= value; } }
/// <summary>
/// Occurs after the Skeleton's bone world space values are resolved (including all constraints).
/// Use this callback if you want to use bone world space values, but don't intend to modify bone local values.
/// This callback can also be used when setting world position and the bone matrix.</summary>
public event UpdateBonesDelegate UpdateComplete { add { _UpdateComplete += value; } remove { _UpdateComplete -= value; } }
[SerializeField] protected UpdateTiming updateTiming = UpdateTiming.InUpdate;
public UpdateTiming UpdateTiming { get { return updateTiming; } set { updateTiming = value; } }
#endregion
public override void Initialize (bool overwrite, bool quiet = false) {
if (valid && !overwrite)
return;
#if UNITY_EDITOR
if (BuildUtilities.IsInSkeletonAssetBuildPreProcessing)
return;
#endif
base.Initialize(overwrite, quiet);
if (!valid)
return;
if (translator == null) translator = new MecanimTranslator();
translator.Initialize(GetComponent<Animator>(), this.skeletonDataAsset);
wasUpdatedAfterInit = false;
if (_OnAnimationRebuild != null)
_OnAnimationRebuild(this);
}
public virtual void Update () {
if (!valid || updateTiming != UpdateTiming.InUpdate) return;
UpdateAnimation(Time.deltaTime);
}
public virtual void FixedUpdate () {
if (!valid || updateTiming != UpdateTiming.InFixedUpdate) return;
UpdateAnimation(Time.deltaTime);
}
/// <summary>Manual animation update. Required when <c>updateTiming</c> is set to <c>ManualUpdate</c>.</summary>
/// <param name="deltaTime">Ignored parameter.</param>
public virtual void Update (float deltaTime) {
if (!valid) return;
UpdateAnimation(deltaTime);
}
protected void UpdateAnimation (float deltaTime) {
wasUpdatedAfterInit = true;
// animation status is kept by Mecanim Animator component
if (updateMode <= UpdateMode.OnlyAnimationStatus)
return;
skeleton.Update(deltaTime);
ApplyTransformMovementToPhysics();
ApplyAnimation();
}
public virtual void ApplyAnimation () {
if (_BeforeApply != null)
_BeforeApply(this);
#if UNITY_EDITOR
Animator translatorAnimator = translator.Animator;
if (translatorAnimator != null && !translatorAnimator.isInitialized)
translatorAnimator.Rebind();
if (Application.isPlaying) {
translator.Apply(skeleton);
} else {
if (translatorAnimator != null && translatorAnimator.isInitialized &&
translatorAnimator.isActiveAndEnabled && translatorAnimator.runtimeAnimatorController != null) {
// Note: Rebind is required to prevent warning "Animator is not playing an AnimatorController" with prefabs
translatorAnimator.Rebind();
translator.Apply(skeleton);
}
}
#else
translator.Apply(skeleton);
#endif
AfterAnimationApplied();
}
public virtual void AfterAnimationApplied () {
if (_UpdateLocal != null)
_UpdateLocal(this);
if (_UpdateWorld == null) {
UpdateWorldTransform(Skeleton.Physics.Update);
} else {
UpdateWorldTransform(Skeleton.Physics.Pose);
_UpdateWorld(this);
UpdateWorldTransform(Skeleton.Physics.Update);
}
if (_UpdateComplete != null)
_UpdateComplete(this);
}
public override void LateUpdate () {
if (updateTiming == UpdateTiming.InLateUpdate && valid && translator != null && translator.Animator != null)
UpdateAnimation(Time.deltaTime);
// instantiation can happen from Update() after this component, leading to a missing Update() call.
if (!wasUpdatedAfterInit) Update();
base.LateUpdate();
}
public override void OnBecameVisible () {
UpdateMode previousUpdateMode = updateMode;
updateMode = UpdateMode.FullUpdate;
// OnBecameVisible is called after LateUpdate()
if (previousUpdateMode != UpdateMode.FullUpdate &&
previousUpdateMode != UpdateMode.EverythingExceptMesh)
Update();
if (previousUpdateMode != UpdateMode.FullUpdate)
LateUpdate();
}
[System.Serializable]
public class MecanimTranslator {
const float WeightEpsilon = 0.0001f;
#region Inspector
public bool autoReset = true;
public bool useCustomMixMode = true;
public MixMode[] layerMixModes = new MixMode[0];
public MixBlend[] layerBlendModes = new MixBlend[0];
#endregion
public delegate void OnClipAppliedDelegate (Spine.Animation clip, int layerIndex, float weight,
float time, float lastTime, bool playsBackward);
protected event OnClipAppliedDelegate _OnClipApplied;
public event OnClipAppliedDelegate OnClipApplied { add { _OnClipApplied += value; } remove { _OnClipApplied -= value; } }
public enum MixMode { AlwaysMix, MixNext, Hard, Match }
readonly Dictionary<int, Spine.Animation> animationTable = new Dictionary<int, Spine.Animation>(IntEqualityComparer.Instance);
readonly Dictionary<AnimationClip, int> clipNameHashCodeTable = new Dictionary<AnimationClip, int>(AnimationClipEqualityComparer.Instance);
readonly List<Animation> previousAnimations = new List<Animation>();
protected class ClipInfos {
public bool isInterruptionActive = false;
public bool isLastFrameOfInterruption = false;
public int clipInfoCount = 0;
public int nextClipInfoCount = 0;
public int interruptingClipInfoCount = 0;
public readonly List<AnimatorClipInfo> clipInfos = new List<AnimatorClipInfo>();
public readonly List<AnimatorClipInfo> nextClipInfos = new List<AnimatorClipInfo>();
public readonly List<AnimatorClipInfo> interruptingClipInfos = new List<AnimatorClipInfo>();
public float[] clipResolvedWeights = new float[0];
public float[] nextClipResolvedWeights = new float[0];
public float[] interruptingClipResolvedWeights = new float[0];
public AnimatorStateInfo stateInfo;
public AnimatorStateInfo nextStateInfo;
public AnimatorStateInfo interruptingStateInfo;
public float interruptingClipTimeAddition = 0;
}
protected ClipInfos[] layerClipInfos = new ClipInfos[0];
Animator animator;
public Animator Animator { get { return this.animator; } }
public int MecanimLayerCount {
get {
if (!animator)
return 0;
return animator.layerCount;
}
}
public string[] MecanimLayerNames {
get {
if (!animator)
return new string[0];
string[] layerNames = new string[animator.layerCount];
for (int i = 0; i < animator.layerCount; ++i) {
layerNames[i] = animator.GetLayerName(i);
}
return layerNames;
}
}
public void Initialize (Animator animator, SkeletonDataAsset skeletonDataAsset) {
this.animator = animator;
previousAnimations.Clear();
animationTable.Clear();
SkeletonData data = skeletonDataAsset.GetSkeletonData(true);
foreach (Animation a in data.Animations)
animationTable.Add(a.Name.GetHashCode(), a);
clipNameHashCodeTable.Clear();
ClearClipInfosForLayers();
}
private bool ApplyAnimation (Skeleton skeleton, AnimatorClipInfo info, AnimatorStateInfo stateInfo,
int layerIndex, float layerWeight, MixBlend layerBlendMode,
bool useCustomClipWeight = false, float customClipWeight = 1.0f) {
float weight = info.weight * layerWeight;
if (weight < WeightEpsilon)
return false;
Animation clip = GetAnimation(info.clip);
if (clip == null)
return false;
float time = AnimationTime(stateInfo.normalizedTime, info.clip.length,
info.clip.isLooping, stateInfo.speed < 0);
weight = useCustomClipWeight ? layerWeight * customClipWeight : weight;
clip.Apply(skeleton, 0, time, info.clip.isLooping, null,
weight, layerBlendMode, MixDirection.In);
if (_OnClipApplied != null)
OnClipAppliedCallback(clip, stateInfo, layerIndex, time, info.clip.isLooping, weight);
return true;
}
private bool ApplyInterruptionAnimation (Skeleton skeleton,
bool interpolateWeightTo1, AnimatorClipInfo info, AnimatorStateInfo stateInfo,
int layerIndex, float layerWeight, MixBlend layerBlendMode, float interruptingClipTimeAddition,
bool useCustomClipWeight = false, float customClipWeight = 1.0f) {
float clipWeight = interpolateWeightTo1 ? (info.weight + 1.0f) * 0.5f : info.weight;
float weight = clipWeight * layerWeight;
if (weight < WeightEpsilon)
return false;
Animation clip = GetAnimation(info.clip);
if (clip == null)
return false;
float time = AnimationTime(stateInfo.normalizedTime + interruptingClipTimeAddition,
info.clip.length, info.clip.isLooping, stateInfo.speed < 0);
weight = useCustomClipWeight ? layerWeight * customClipWeight : weight;
clip.Apply(skeleton, 0, time, info.clip.isLooping, null,
weight, layerBlendMode, MixDirection.In);
if (_OnClipApplied != null) {
OnClipAppliedCallback(clip, stateInfo, layerIndex, time, info.clip.isLooping, weight);
}
return true;
}
private void OnClipAppliedCallback (Spine.Animation clip, AnimatorStateInfo stateInfo,
int layerIndex, float time, bool isLooping, float weight) {
float speedFactor = stateInfo.speedMultiplier * stateInfo.speed;
float lastTime = time - (Time.deltaTime * speedFactor);
float clipDuration = clip.Duration;
if (isLooping && clipDuration != 0) {
time %= clipDuration;
lastTime %= clipDuration;
}
_OnClipApplied(clip, layerIndex, weight, time, lastTime, speedFactor < 0);
}
public void Apply (Skeleton skeleton) {
#if UNITY_EDITOR
if (!Application.isPlaying) {
GetLayerBlendModes();
}
#endif
if (layerMixModes.Length < animator.layerCount) {
int oldSize = layerMixModes.Length;
System.Array.Resize<MixMode>(ref layerMixModes, animator.layerCount);
for (int layer = oldSize; layer < animator.layerCount; ++layer) {
bool isAdditiveLayer = false;
if (layer < layerBlendModes.Length)
isAdditiveLayer = layerBlendModes[layer] == MixBlend.Add;
layerMixModes[layer] = isAdditiveLayer ? MixMode.AlwaysMix : MixMode.MixNext;
}
}
InitClipInfosForLayers();
for (int layer = 0, n = animator.layerCount; layer < n; layer++) {
GetStateUpdatesFromAnimator(layer);
}
// Clear Previous
if (autoReset) {
List<Animation> previousAnimations = this.previousAnimations;
for (int i = 0, n = previousAnimations.Count; i < n; i++)
previousAnimations[i].Apply(skeleton, 0, 0, false, null, 0, MixBlend.Setup, MixDirection.Out); // SetKeyedItemsToSetupPose
previousAnimations.Clear();
for (int layer = 0, n = animator.layerCount; layer < n; layer++) {
float layerWeight = (layer == 0) ? 1 : animator.GetLayerWeight(layer); // Animator.GetLayerWeight always returns 0 on the first layer. Should be interpreted as 1.
if (layerWeight <= 0) continue;
AnimatorStateInfo nextStateInfo = animator.GetNextAnimatorStateInfo(layer);
bool hasNext = nextStateInfo.fullPathHash != 0;
int clipInfoCount, nextClipInfoCount, interruptingClipInfoCount;
IList<AnimatorClipInfo> clipInfo, nextClipInfo, interruptingClipInfo;
bool isInterruptionActive, shallInterpolateWeightTo1;
GetAnimatorClipInfos(layer, out isInterruptionActive, out clipInfoCount, out nextClipInfoCount, out interruptingClipInfoCount,
out clipInfo, out nextClipInfo, out interruptingClipInfo, out shallInterpolateWeightTo1);
for (int c = 0; c < clipInfoCount; c++) {
AnimatorClipInfo info = clipInfo[c];
float weight = info.weight * layerWeight; if (weight < WeightEpsilon) continue;
Spine.Animation clip = GetAnimation(info.clip);
if (clip != null)
previousAnimations.Add(clip);
}
if (hasNext) {
for (int c = 0; c < nextClipInfoCount; c++) {
AnimatorClipInfo info = nextClipInfo[c];
float weight = info.weight * layerWeight; if (weight < WeightEpsilon) continue;
Spine.Animation clip = GetAnimation(info.clip);
if (clip != null)
previousAnimations.Add(clip);
}
}
if (isInterruptionActive) {
for (int c = 0; c < interruptingClipInfoCount; c++) {
AnimatorClipInfo info = interruptingClipInfo[c];
float clipWeight = shallInterpolateWeightTo1 ? (info.weight + 1.0f) * 0.5f : info.weight;
float weight = clipWeight * layerWeight; if (weight < WeightEpsilon) continue;
Spine.Animation clip = GetAnimation(info.clip);
if (clip != null)
previousAnimations.Add(clip);
}
}
}
}
// Apply
for (int layer = 0, n = animator.layerCount; layer < n; layer++) {
float layerWeight = (layer == 0) ? 1 : animator.GetLayerWeight(layer); // Animator.GetLayerWeight always returns 0 on the first layer. Should be interpreted as 1.
bool isInterruptionActive;
AnimatorStateInfo stateInfo;
AnimatorStateInfo nextStateInfo;
AnimatorStateInfo interruptingStateInfo;
float interruptingClipTimeAddition;
GetAnimatorStateInfos(layer, out isInterruptionActive, out stateInfo, out nextStateInfo, out interruptingStateInfo, out interruptingClipTimeAddition);
bool hasNext = nextStateInfo.fullPathHash != 0;
int clipInfoCount, nextClipInfoCount, interruptingClipInfoCount;
IList<AnimatorClipInfo> clipInfo, nextClipInfo, interruptingClipInfo;
bool interpolateWeightTo1;
GetAnimatorClipInfos(layer, out isInterruptionActive, out clipInfoCount, out nextClipInfoCount, out interruptingClipInfoCount,
out clipInfo, out nextClipInfo, out interruptingClipInfo, out interpolateWeightTo1);
MixBlend layerBlendMode = (layer < layerBlendModes.Length) ? layerBlendModes[layer] : MixBlend.Replace;
MixMode mode = GetMixMode(layer, layerBlendMode);
if (mode == MixMode.AlwaysMix) {
// Always use Mix instead of Applying the first non-zero weighted clip.
for (int c = 0; c < clipInfoCount; c++) {
ApplyAnimation(skeleton, clipInfo[c], stateInfo, layer, layerWeight, layerBlendMode);
}
if (hasNext) {
for (int c = 0; c < nextClipInfoCount; c++) {
ApplyAnimation(skeleton, nextClipInfo[c], nextStateInfo, layer, layerWeight, layerBlendMode);
}
}
if (isInterruptionActive) {
for (int c = 0; c < interruptingClipInfoCount; c++) {
ApplyInterruptionAnimation(skeleton, interpolateWeightTo1,
interruptingClipInfo[c], interruptingStateInfo,
layer, layerWeight, layerBlendMode, interruptingClipTimeAddition);
}
}
} else if (mode == MixMode.Match) {
// Calculate matching Spine lerp(lerp(A, B, w2), C, w3) weights
// from Unity's absolute weights A*W1 + B*W2 + C*W3.
MatchWeights(layerClipInfos[layer], hasNext, isInterruptionActive, clipInfoCount, nextClipInfoCount, interruptingClipInfoCount,
clipInfo, nextClipInfo, interruptingClipInfo);
float[] customWeights = layerClipInfos[layer].clipResolvedWeights;
for (int c = 0; c < clipInfoCount; c++) {
ApplyAnimation(skeleton, clipInfo[c], stateInfo, layer, layerWeight, layerBlendMode,
true, customWeights[c]);
}
if (hasNext) {
customWeights = layerClipInfos[layer].nextClipResolvedWeights;
for (int c = 0; c < nextClipInfoCount; c++) {
ApplyAnimation(skeleton, nextClipInfo[c], nextStateInfo, layer, layerWeight, layerBlendMode,
true, customWeights[c]);
}
}
if (isInterruptionActive) {
customWeights = layerClipInfos[layer].interruptingClipResolvedWeights;
for (int c = 0; c < interruptingClipInfoCount; c++) {
ApplyInterruptionAnimation(skeleton, interpolateWeightTo1,
interruptingClipInfo[c], interruptingStateInfo,
layer, layerWeight, layerBlendMode, interruptingClipTimeAddition,
true, customWeights[c]);
}
}
} else { // case MixNext || Hard
// Apply first non-zero weighted clip
int c = 0;
for (; c < clipInfoCount; c++) {
if (!ApplyAnimation(skeleton, clipInfo[c], stateInfo, layer, layerWeight, layerBlendMode,
true, 1.0f))
continue;
++c; break;
}
// Mix the rest
for (; c < clipInfoCount; c++) {
ApplyAnimation(skeleton, clipInfo[c], stateInfo, layer, layerWeight, layerBlendMode);
}
c = 0;
if (hasNext) {
// Apply next clip directly instead of mixing (ie: no crossfade, ignores mecanim transition weights)
if (mode == MixMode.Hard) {
for (; c < nextClipInfoCount; c++) {
if (!ApplyAnimation(skeleton, nextClipInfo[c], nextStateInfo, layer, layerWeight, layerBlendMode,
true, 1.0f))
continue;
++c; break;
}
}
// Mix the rest
for (; c < nextClipInfoCount; c++) {
if (!ApplyAnimation(skeleton, nextClipInfo[c], nextStateInfo, layer, layerWeight, layerBlendMode))
continue;
}
}
c = 0;
if (isInterruptionActive) {
// Apply next clip directly instead of mixing (ie: no crossfade, ignores mecanim transition weights)
if (mode == MixMode.Hard) {
for (; c < interruptingClipInfoCount; c++) {
if (ApplyInterruptionAnimation(skeleton, interpolateWeightTo1,
interruptingClipInfo[c], interruptingStateInfo,
layer, layerWeight, layerBlendMode, interruptingClipTimeAddition, true, 1.0f)) {
++c; break;
}
}
}
// Mix the rest
for (; c < interruptingClipInfoCount; c++) {
ApplyInterruptionAnimation(skeleton, interpolateWeightTo1,
interruptingClipInfo[c], interruptingStateInfo,
layer, layerWeight, layerBlendMode, interruptingClipTimeAddition);
}
}
}
}
}
/// <summary>
/// Resolve matching weights from Unity's absolute weights A*w1 + B*w2 + C*w3 to
/// Spine's lerp(lerp(A, B, x), C, y) weights, in reverse order of clips.
/// </summary>
protected void MatchWeights (ClipInfos clipInfos, bool hasNext, bool isInterruptionActive,
int clipInfoCount, int nextClipInfoCount, int interruptingClipInfoCount,
IList<AnimatorClipInfo> clipInfo, IList<AnimatorClipInfo> nextClipInfo, IList<AnimatorClipInfo> interruptingClipInfo) {
if (clipInfos.clipResolvedWeights.Length < clipInfoCount) {
System.Array.Resize<float>(ref clipInfos.clipResolvedWeights, clipInfoCount);
}
if (hasNext && clipInfos.nextClipResolvedWeights.Length < nextClipInfoCount) {
System.Array.Resize<float>(ref clipInfos.nextClipResolvedWeights, nextClipInfoCount);
}
if (isInterruptionActive && clipInfos.interruptingClipResolvedWeights.Length < interruptingClipInfoCount) {
System.Array.Resize<float>(ref clipInfos.interruptingClipResolvedWeights, interruptingClipInfoCount);
}
float inverseWeight = 1.0f;
if (isInterruptionActive) {
for (int c = interruptingClipInfoCount - 1; c >= 0; c--) {
float unityWeight = interruptingClipInfo[c].weight;
clipInfos.interruptingClipResolvedWeights[c] = interruptingClipInfo[c].weight * inverseWeight;
inverseWeight /= (1.0f - unityWeight);
}
}
if (hasNext) {
for (int c = nextClipInfoCount - 1; c >= 0; c--) {
float unityWeight = nextClipInfo[c].weight;
clipInfos.nextClipResolvedWeights[c] = nextClipInfo[c].weight * inverseWeight;
inverseWeight /= (1.0f - unityWeight);
}
}
for (int c = clipInfoCount - 1; c >= 0; c--) {
float unityWeight = clipInfo[c].weight;
clipInfos.clipResolvedWeights[c] = (c == 0) ? 1f : clipInfo[c].weight * inverseWeight;
inverseWeight /= (1.0f - unityWeight);
}
}
public KeyValuePair<Spine.Animation, float> GetActiveAnimationAndTime (int layer) {
if (layer >= layerClipInfos.Length)
return new KeyValuePair<Spine.Animation, float>(null, 0);
ClipInfos layerInfos = layerClipInfos[layer];
bool isInterruptionActive = layerInfos.isInterruptionActive;
AnimationClip clip = null;
Spine.Animation animation = null;
AnimatorStateInfo stateInfo;
if (isInterruptionActive && layerInfos.interruptingClipInfoCount > 0) {
clip = layerInfos.interruptingClipInfos[0].clip;
stateInfo = layerInfos.interruptingStateInfo;
} else {
clip = layerInfos.clipInfos[0].clip;
stateInfo = layerInfos.stateInfo;
}
animation = GetAnimation(clip);
float time = AnimationTime(stateInfo.normalizedTime, clip.length,
clip.isLooping, stateInfo.speed < 0);
return new KeyValuePair<Animation, float>(animation, time);
}
static float AnimationTime (float normalizedTime, float clipLength, bool loop, bool reversed) {
float time = ToSpineAnimationTime(normalizedTime, clipLength, loop, reversed);
if (loop) return time;
const float EndSnapEpsilon = 1f / 30f; // Workaround for end-duration keys not being applied.
return (clipLength - time < EndSnapEpsilon) ? clipLength : time; // return a time snapped to clipLength;
}
static float ToSpineAnimationTime (float normalizedTime, float clipLength, bool loop, bool reversed) {
if (reversed)
normalizedTime = (1 - normalizedTime);
if (normalizedTime < 0.0f)
normalizedTime = loop ? (normalizedTime % 1.0f) + 1.0f : 0.0f;
return normalizedTime * clipLength;
}
void InitClipInfosForLayers () {
if (layerClipInfos.Length < animator.layerCount) {
System.Array.Resize<ClipInfos>(ref layerClipInfos, animator.layerCount);
for (int layer = 0, n = animator.layerCount; layer < n; ++layer) {
if (layerClipInfos[layer] == null)
layerClipInfos[layer] = new ClipInfos();
}
}
}
void ClearClipInfosForLayers () {
for (int layer = 0, n = layerClipInfos.Length; layer < n; ++layer) {
if (layerClipInfos[layer] == null)
layerClipInfos[layer] = new ClipInfos();
else {
layerClipInfos[layer].isInterruptionActive = false;
layerClipInfos[layer].isLastFrameOfInterruption = false;
layerClipInfos[layer].clipInfos.Clear();
layerClipInfos[layer].nextClipInfos.Clear();
layerClipInfos[layer].interruptingClipInfos.Clear();
}
}
}
private MixMode GetMixMode (int layer, MixBlend layerBlendMode) {
if (useCustomMixMode) {
MixMode mode = layerMixModes[layer];
// Note: at additive blending it makes no sense to use constant weight 1 at a fadeout anim add1 as
// with override layers, so we use AlwaysMix instead to use the proper weights.
// AlwaysMix leads to the expected result = lower_layer + lerp(add1, add2, transition_weight).
if (layerBlendMode == MixBlend.Add && mode == MixMode.MixNext) {
mode = MixMode.AlwaysMix;
layerMixModes[layer] = mode;
}
return mode;
} else {
return layerBlendMode == MixBlend.Add ? MixMode.AlwaysMix : MixMode.MixNext;
}
}
#if UNITY_EDITOR
void GetLayerBlendModes () {
if (layerBlendModes.Length < animator.layerCount) {
System.Array.Resize<MixBlend>(ref layerBlendModes, animator.layerCount);
}
for (int layer = 0, n = animator.layerCount; layer < n; ++layer) {
AnimatorController controller = animator.runtimeAnimatorController as UnityEditor.Animations.AnimatorController;
if (controller != null) {
layerBlendModes[layer] = MixBlend.First;
if (layer > 0) {
layerBlendModes[layer] = controller.layers[layer].blendingMode == UnityEditor.Animations.AnimatorLayerBlendingMode.Additive ?
MixBlend.Add : MixBlend.Replace;
}
}
}
}
#endif
void GetStateUpdatesFromAnimator (int layer) {
ClipInfos layerInfos = layerClipInfos[layer];
int clipInfoCount = animator.GetCurrentAnimatorClipInfoCount(layer);
int nextClipInfoCount = animator.GetNextAnimatorClipInfoCount(layer);
List<AnimatorClipInfo> clipInfos = layerInfos.clipInfos;
List<AnimatorClipInfo> nextClipInfos = layerInfos.nextClipInfos;
List<AnimatorClipInfo> interruptingClipInfos = layerInfos.interruptingClipInfos;
layerInfos.isInterruptionActive = (clipInfoCount == 0 && clipInfos.Count != 0 &&
nextClipInfoCount == 0 && nextClipInfos.Count != 0);
// Note: during interruption, GetCurrentAnimatorClipInfoCount and GetNextAnimatorClipInfoCount
// are returning 0 in calls above. Therefore we keep previous clipInfos and nextClipInfos
// until the interruption is over.
if (layerInfos.isInterruptionActive) {
// Note: The last frame of a transition interruption
// will have fullPathHash set to 0, therefore we have to use previous
// frame's infos about interruption clips and correct some values
// accordingly (normalizedTime and weight).
AnimatorStateInfo interruptingStateInfo = animator.GetNextAnimatorStateInfo(layer);
layerInfos.isLastFrameOfInterruption = interruptingStateInfo.fullPathHash == 0;
if (!layerInfos.isLastFrameOfInterruption) {
animator.GetNextAnimatorClipInfo(layer, interruptingClipInfos);
layerInfos.interruptingClipInfoCount = interruptingClipInfos.Count;
float oldTime = layerInfos.interruptingStateInfo.normalizedTime;
float newTime = interruptingStateInfo.normalizedTime;
layerInfos.interruptingClipTimeAddition = newTime - oldTime;
layerInfos.interruptingStateInfo = interruptingStateInfo;
}
} else {
layerInfos.clipInfoCount = clipInfoCount;
layerInfos.nextClipInfoCount = nextClipInfoCount;
layerInfos.interruptingClipInfoCount = 0;
layerInfos.isLastFrameOfInterruption = false;
if (clipInfos.Capacity < clipInfoCount) clipInfos.Capacity = clipInfoCount;
if (nextClipInfos.Capacity < nextClipInfoCount) nextClipInfos.Capacity = nextClipInfoCount;
animator.GetCurrentAnimatorClipInfo(layer, clipInfos);
animator.GetNextAnimatorClipInfo(layer, nextClipInfos);
layerInfos.stateInfo = animator.GetCurrentAnimatorStateInfo(layer);
layerInfos.nextStateInfo = animator.GetNextAnimatorStateInfo(layer);
}
}
void GetAnimatorClipInfos (
int layer,
out bool isInterruptionActive,
out int clipInfoCount,
out int nextClipInfoCount,
out int interruptingClipInfoCount,
out IList<AnimatorClipInfo> clipInfo,
out IList<AnimatorClipInfo> nextClipInfo,
out IList<AnimatorClipInfo> interruptingClipInfo,
out bool shallInterpolateWeightTo1) {
ClipInfos layerInfos = layerClipInfos[layer];
isInterruptionActive = layerInfos.isInterruptionActive;
clipInfoCount = layerInfos.clipInfoCount;
nextClipInfoCount = layerInfos.nextClipInfoCount;
interruptingClipInfoCount = layerInfos.interruptingClipInfoCount;
clipInfo = layerInfos.clipInfos;
nextClipInfo = layerInfos.nextClipInfos;
interruptingClipInfo = isInterruptionActive ? layerInfos.interruptingClipInfos : null;
shallInterpolateWeightTo1 = layerInfos.isLastFrameOfInterruption;
}
void GetAnimatorStateInfos (
int layer,
out bool isInterruptionActive,
out AnimatorStateInfo stateInfo,
out AnimatorStateInfo nextStateInfo,
out AnimatorStateInfo interruptingStateInfo,
out float interruptingClipTimeAddition) {
ClipInfos layerInfos = layerClipInfos[layer];
isInterruptionActive = layerInfos.isInterruptionActive;
stateInfo = layerInfos.stateInfo;
nextStateInfo = layerInfos.nextStateInfo;
interruptingStateInfo = layerInfos.interruptingStateInfo;
interruptingClipTimeAddition = layerInfos.isLastFrameOfInterruption ? layerInfos.interruptingClipTimeAddition : 0;
}
Spine.Animation GetAnimation (AnimationClip clip) {
int clipNameHashCode;
if (!clipNameHashCodeTable.TryGetValue(clip, out clipNameHashCode)) {
clipNameHashCode = clip.name.GetHashCode();
clipNameHashCodeTable.Add(clip, clipNameHashCode);
}
Spine.Animation animation;
animationTable.TryGetValue(clipNameHashCode, out animation);
return animation;
}
class AnimationClipEqualityComparer : IEqualityComparer<AnimationClip> {
internal static readonly IEqualityComparer<AnimationClip> Instance = new AnimationClipEqualityComparer();
public bool Equals (AnimationClip x, AnimationClip y) { return x.GetInstanceID() == y.GetInstanceID(); }
public int GetHashCode (AnimationClip o) { return o.GetInstanceID(); }
}
class IntEqualityComparer : IEqualityComparer<int> {
internal static readonly IEqualityComparer<int> Instance = new IntEqualityComparer();
public bool Equals (int x, int y) { return x == y; }
public int GetHashCode (int o) { return o; }
}
}
}
}
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