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https://github.com/bdunderscore/modular-avatar.git
synced 2025-04-24 05:19:00 +08:00
feat: support merging animation clips in Merge Blend Tree
This renames Merge Blend Tree to Merge Motion, and expands it to support arbitrary motions. Closes: #1438
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@ -2,6 +2,8 @@
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using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Linq;
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using UnityEditor;
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using UnityEngine;
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using VRC.SDK3.Avatars.ScriptableObjects;
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@ -41,7 +43,7 @@ namespace nadena.dev.modular_avatar.core.editor
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}
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var parameters = context.AvatarDescriptor.expressionParameters.parameters
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?? new VRCExpressionParameters.Parameter[0];
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?? Array.Empty<VRCExpressionParameters.Parameter>();
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var parameterNames = parameters.Select(p => p.name).ToImmutableHashSet();
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if (!context.PluginBuildContext.IsTemporaryAsset(expressionsMenu))
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@ -1,7 +1,7 @@
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#if MA_VRCSDK3_AVATARS
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using UnityEditor;
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using UnityEditor.Animations;
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using UnityEngine;
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using static nadena.dev.modular_avatar.core.editor.Localization;
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namespace nadena.dev.modular_avatar.core.editor
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@ -15,7 +15,9 @@ namespace nadena.dev.modular_avatar.core.editor
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private void OnEnable()
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{
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#pragma warning disable CS0618 // Type or member is obsolete
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_blendTree = serializedObject.FindProperty(nameof(ModularAvatarMergeBlendTree.BlendTree));
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#pragma warning restore CS0618 // Type or member is obsolete
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_pathMode = serializedObject.FindProperty(nameof(ModularAvatarMergeBlendTree.PathMode));
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_relativePathRoot = serializedObject.FindProperty(nameof(ModularAvatarMergeBlendTree.RelativePathRoot));
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}
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@ -24,7 +26,7 @@ namespace nadena.dev.modular_avatar.core.editor
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{
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serializedObject.Update();
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EditorGUILayout.ObjectField(_blendTree, typeof(BlendTree), G("merge_blend_tree.blend_tree"));
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EditorGUILayout.ObjectField(_blendTree, typeof(Motion), G("merge_blend_tree.motion"));
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EditorGUILayout.PropertyField(_pathMode, G("merge_blend_tree.path_mode"));
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if (_pathMode.enumValueIndex == (int) MergeAnimatorPathMode.Relative)
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{
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@ -96,7 +96,7 @@
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"merge_armature.reset_pos.execute": "Do it!",
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"merge_armature.reset_pos.heuristic_scale": "Adjust outfit overall scale to match base avatar",
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"merge_armature.reset_pos.heuristic_scale.tooltip": "Will set the overall scale of the outfit as a whole based on armspan measurements. Recommended for setting up outfits.",
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"merge_blend_tree.blend_tree": "Blend Tree",
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"merge_blend_tree.motion": "Motion (or Blend Tree) to merge",
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"merge_blend_tree.path_mode": "Path Mode",
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"merge_blend_tree.path_mode.tooltip": "How to interpret paths in animations. Using relative mode lets you record animations from an animator on this object.",
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"merge_blend_tree.relative_path_root": "Relative Path Root",
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@ -2,23 +2,41 @@
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using System;
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using API;
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using JetBrains.Annotations;
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using UnityEngine;
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using Object = UnityEngine.Object;
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namespace nadena.dev.modular_avatar.core
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{
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[AddComponentMenu("Modular Avatar/MA Merge Blend Tree")]
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[AddComponentMenu("Modular Avatar/MA Merge Motion (Blend Tree)")]
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[HelpURL("https://modular-avatar.nadena.dev/docs/reference/merge-blend-tree?lang=auto")]
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public sealed class ModularAvatarMergeBlendTree : AvatarTagComponent, IVirtualizeMotion
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{
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internal static Func<ModularAvatarMergeBlendTree, object, string> GetMotionBasePathCallback
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= (_, _) => "";
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// We can't actually reference a BlendTree here because it's not available when building a player build
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// Previous versions of this component expected a BlendTree, which is not available in player builds, so this
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// field was made an Object. This can now become a Motion, but unfortunately that would be a breaking change.
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/// <summary>
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/// The blend tree or other motion to merge.
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/// </summary>
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[Obsolete("Use Motion property instead; this field will be removed in 2.0")] [PublicAPI]
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public Object BlendTree;
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[PublicAPI]
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public MergeAnimatorPathMode PathMode = MergeAnimatorPathMode.Relative;
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[PublicAPI]
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public AvatarObjectReference RelativePathRoot = new AvatarObjectReference();
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[PublicAPI]
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public Motion Motion
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{
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get => ((IVirtualizeMotion)this).Motion;
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set => ((IVirtualizeMotion)this).Motion = value;
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}
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Motion IVirtualizeMotion.Motion
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{
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get => (Motion)BlendTree;
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@ -97,6 +97,28 @@ namespace modular_avatar_tests
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AnimationTestUtil.AssertAnimationHasPath(((BlendTree)motion.children[0].motion).children[0].motion as AnimationClip, "child2/a");
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}
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[Test]
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public void SupportsMergingMotions()
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{
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AnimationClip clip = new AnimationClip();
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clip.name = "test clip";
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var root = CreateRoot("root");
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var c1 = CreateChild(root, "child1");
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var mergeComponent = c1.AddComponent<ModularAvatarMergeBlendTree>();
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mergeComponent.Motion = clip;
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mergeComponent.PathMode = MergeAnimatorPathMode.Relative;
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mergeComponent.RelativePathRoot.referencePath = "child2";
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CreateChild(c1, "a");
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AvatarProcessor.ProcessAvatar(root);
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var fx = findFxLayer(root, MergeBlendTreePass.BlendTreeLayerName);
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var motion = fx.stateMachine.states[0].state.motion as BlendTree;
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Assert.IsTrue(motion!.children.Any(m => m.motion.name == clip.name));
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}
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[Test]
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public void MergeOrderTest()
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{
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@ -1,32 +1,48 @@
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# Merge Blend Tree
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# Merge Motion (Blend Tree)
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The merge blend tree component allows you to merge multiple blend trees into a single FX layer.
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The merge motion component allows you to merge multiple blend trees into a single FX layer.
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This is an advanced component that allows for building lower-overhead animators by merging multiple gimmicks into a
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single layer.
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It can also be used to set an animation that is always running.
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:::info
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Prior to 1.12, this component was called "Merge Blend Tree". In 1.12 it was expanded to support merging animation clips
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as well; as such the name was changed to "Merge Motion". Existing assets created using 1.11 or earlier's Merge Blend Tree
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will automatically be upgraded to use the new Merge Motion component.
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For API compatibility purposes, this component is still internally called `ModularAvatarMergeBlendTree`.
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:::
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## When should I use it?
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You should use Merge Blend Tree when you have a blend tree that you want to be always active on the avatar.
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You should use Merge Motion when you have a motion (animation clip or blend tree) that you want to be always active
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n the avatar.
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## When shouldn't I use it?
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You should not use Merge Blend Tree if you need to disable/enable the blend tree, or have control over motion time.
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You should not use Merge Motion if you need to disable/enable the Motion, or have control over motion time.
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## Setting up Merge Blend Tree
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## Merging a Blend Tree
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First, create a Blend Tree asset. You can do this by right clicking on the project window and selecting
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Create -> BlendTree.
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Configure your blend tree as desired, then add a Merge Blend Tree component and specify the Blend Tree in the Blend
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Tree field.
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Configure your blend tree as desired, then add a Merge Motion component and specify the Blend Tree in the Motion
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field.
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You can configure Path Mode and Relative Path Root similarly to Merge Animator; for more details, see the
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[Merge Animator documentation](merge-animator.md).
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## How blend trees are merged
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## Merging animations
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Simply put the animation in the "Motion (or Blend Tree) to merge" field. The animation will be constantly played.
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## How motions are merged
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Modular Avatar will create a new layer at the top of the FX controller. This layer will contain a single state, with
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Write Defaults on, and containing a Direct Blend Tree. Each merged blend tree will be attached to this Direct Blend
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Write Defaults on, and containing a Direct Blend Tree. Each merged motion will be attached to this Direct Blend
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Tree, with its parameter always set to one.
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@ -1,19 +1,30 @@
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# Merge Blend Tree
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# Merge Motion (Blend Tree)
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Merge Blend Treeは、複数のブレンドツリーを1つのFXレイヤーにマージすることができます。
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複数のギミックを1つのレイヤーにまとめて、負荷を低減するための高度なコンポーネントです。
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また、常に実行されるアニメーションを設定するためにも使用できます。
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:::info
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1.12以前では、このコンポーネントは「Merge Blend Tree」と呼ばれていました。1.12では、アニメーションクリップのマージにも
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対応するように拡張されたため、名前が「Merge Motion」に変更されました。1.11以前のMerge Blend Treeで作成された
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既存のアセットは、新しいMerge Motionコンポーネントを使用するように自動的にアップグレードされます。
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なお、APIでは、互換性のためこのコンポーネントは引き続き`ModularAvatarMergeBlendTree`と呼ばれています。
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:::
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## いつ使うもの？
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ブレンドツリーを常にアバターで稼働させたい場合に使います。
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常に再生させるモーション（アニメーションクリップ、またはブレンドツリー）を設定したい場合に、Merge Motionを使用してください。
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## いつ使わないもの？
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ブレンドツリーを無効にしたり、モーションタイムを制御したりする必要がある場合は、Merge Blend Treeを使わないでください。
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モーションを無効にしたり、モーションタイムを制御したりする必要がある場合は、Merge Motionを使わないでください。
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## セットアップ方法
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## ブレンドツリーでのセットアップ方法
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まず、ブレンドツリーのアセットを作成します。プロジェクトウィンドウで右クリックして、Create -> BlendTreeを選択してください。
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@ -22,8 +33,12 @@ Merge Blend Treeは、複数のブレンドツリーを1つのFXレイヤーに
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パスモードと相対パスルートは、Merge Animatorと同様に設定できます。
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詳細は、[Merge Animatorのドキュメント](merge-animator.md)を参照してください。
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## ブレンドツリーのマージ方法
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## アニメーションのマージ
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アニメーションを「モーション（またはブレンドツリー）」フィールドに配置するだけです。アニメーションは常に再生されます。
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## マージ方法について
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Modular Avatarは、FXコントローラーの一番上に新しいレイヤーを作成します。
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このレイヤーには、Write Defaultsがオンになっている単一のステートが含まれています。
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マージされたブレンドツリーは、パラメーターが常に1に設定されているこのDirect Blend Treeに接続されます。
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マージされたモーションは、パラメーターが常に1に設定されているこのDirect Blend Treeに接続されます。
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