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[unity] Fixed SkeletonMecanim blend result weights at mode MixNext, no longer bahaving unexpectedly. At additive layers, MixMode.MixNext is always set to MixMode.AlwaysMix since MixNext makes no sense there. Closes #1718.

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This commit is contained in:
Harald Csaszar 2020-07-08 20:04:09 +02:00
parent a062dd7b5a
commit 7626f3b58a
1 changed files with 27 additions and 18 deletions
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45
spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonMecanim.cs
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@ -198,7 +198,7 @@ namespace Spine.Unity {
}
private bool ApplyAnimation (Skeleton skeleton, AnimatorClipInfo info, AnimatorStateInfo stateInfo,
int layerIndex, float layerWeight, MixBlend layerBlendMode, bool useWeight1 = false) {
int layerIndex, float layerWeight, MixBlend layerBlendMode, bool useClipWeight1 = false) {
float weight = info.weight * layerWeight;
if (weight == 0)
return false;
@ -209,7 +209,7 @@ namespace Spine.Unity {
var time = AnimationTime(stateInfo.normalizedTime, info.clip.length,
info.clip.isLooping, stateInfo.speed < 0);
weight = useWeight1 ? 1.0f : weight;
weight = useClipWeight1 ? layerWeight : weight;
clip.Apply(skeleton, 0, time, info.clip.isLooping, null,
weight, layerBlendMode, MixDirection.In);
if (_OnClipApplied != null)
@ -220,7 +220,7 @@ namespace Spine.Unity {
private bool ApplyInterruptionAnimation (Skeleton skeleton,
bool interpolateWeightTo1, AnimatorClipInfo info, AnimatorStateInfo stateInfo,
int layerIndex, float layerWeight, MixBlend layerBlendMode, float interruptingClipTimeAddition,
bool useWeight1 = false) {
bool useClipWeight1 = false) {
float clipWeight = interpolateWeightTo1 ? (info.weight + 1.0f) * 0.5f : info.weight;
float weight = clipWeight * layerWeight;
@ -233,7 +233,7 @@ namespace Spine.Unity {
var time = AnimationTime(stateInfo.normalizedTime + interruptingClipTimeAddition,
info.clip.length, stateInfo.speed < 0);
weight = useWeight1 ? 1.0f : weight;
weight = useClipWeight1 ? layerWeight : weight;
clip.Apply(skeleton, 0, time, info.clip.isLooping, null,
weight, layerBlendMode, MixDirection.In);
if (_OnClipApplied != null) {
@ -256,26 +256,28 @@ namespace Spine.Unity {
}
public void Apply (Skeleton skeleton) {
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) {
layerMixModes[layer] = layer == 0 ? MixMode.MixNext : MixMode.AlwaysMix;
}
}
#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.MixNext : MixMode.AlwaysMix;
}
}
InitClipInfosForLayers();
for (int layer = 0, n = animator.layerCount; layer < n; layer++) {
GetStateUpdatesFromAnimator(layer);
}
//skeleton.Update(Time.deltaTime); // Doesn't actually do anything, currently. (Spine 3.6).
// Clear Previous
if (autoReset) {
var previousAnimations = this.previousAnimations;
@ -348,8 +350,15 @@ namespace Spine.Unity {
GetAnimatorClipInfos(layer, out isInterruptionActive, out clipInfoCount, out nextClipInfoCount, out interruptingClipInfoCount,
out clipInfo, out nextClipInfo, out interruptingClipInfo, out interpolateWeightTo1);
MixMode mode = layerMixModes[layer];
MixBlend layerBlendMode = (layer < layerBlendModes.Length) ? layerBlendModes[layer] : MixBlend.Replace;
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;
}
if (mode == MixMode.AlwaysMix) {
// Always use Mix instead of Applying the first non-zero weighted clip.
for (int c = 0; c < clipInfoCount; c++) {
@ -372,7 +381,7 @@ namespace Spine.Unity {
// Apply first non-zero weighted clip
int c = 0;
for (; c < clipInfoCount; c++) {
if (!ApplyAnimation(skeleton, clipInfo[c], stateInfo, layer, layerWeight, layerBlendMode, useWeight1:true))
if (!ApplyAnimation(skeleton, clipInfo[c], stateInfo, layer, layerWeight, layerBlendMode, useClipWeight1:true))
continue;
++c; break;
}
@ -386,7 +395,7 @@ namespace Spine.Unity {
// 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, useWeight1:true))
if (!ApplyAnimation(skeleton, nextClipInfo[c], nextStateInfo, layer, layerWeight, layerBlendMode, useClipWeight1:true))
continue;
++c; break;
}
@ -405,7 +414,7 @@ namespace Spine.Unity {
for (; c < interruptingClipInfoCount; c++) {
if (ApplyInterruptionAnimation(skeleton, interpolateWeightTo1,
interruptingClipInfo[c], interruptingStateInfo,
layer, layerWeight, layerBlendMode, interruptingClipTimeAddition, useWeight1:true)) {
layer, layerWeight, layerBlendMode, interruptingClipTimeAddition, useClipWeight1:true)) {
++c; break;
}