Merge branch 'main' into rc-toggle-audio-source

.github/ProjectRoot/vpm-manifest-2022.json

@@ -4,7 +4,7 @@
       "version": "3.7.4"
     },
     "nadena.dev.ndmf": {
-      "version": "1.7.0-alpha.3"
+      "version": "1.7.0-alpha.4"
     }
   },
   "locked": {
@@ -19,7 +19,7 @@
       "dependencies": {}
     },
     "nadena.dev.ndmf": {
-      "version": "1.7.0-alpha.3"
+      "version": "1.7.0-alpha.4"
     }
   }
 }

.github/gen-docs-changelog.pl

@@ -0,0 +1,22 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+# We want to skip two sections - the main header, then up to the first version header.
+# In a prerelease, we only want to skip the first section (not including the unreleased header)
+
+if ($ENV{PRERELEASE} eq 'false') {
+    while (<>) {
+        if (/^\## /) { last; }
+    }
+}
+
+
+while (<>) {
+    if (/^## /) { print; last; }
+}
+
+while (<>) {
+    print;
+}

.github/workflows/build-test-docs.yml

@@ -23,6 +23,11 @@ on:
         description: 'build the latest release'
         type: boolean
         required: false
+      prerelease:
+        description: 'use prerelease changelog'
+        type: boolean
+        required: false
+        default: true
 
 jobs:
   build-docs:
@@ -67,6 +72,18 @@ jobs:
           BASEURL="/${{ inputs.path }}/" perl -i -p -e "s{baseUrl: '/'}{baseUrl: '\$ENV{BASEURL}'}" docs~/docusaurus.config.js
           cat docs~/docusaurus.config.js
 
+      - name: Format changelogs
+        run: |
+          SUFFIX=""
+          export PRERELEASE=${{ inputs.prerelease && 'true' || 'false' }}
+
+          if [ ${{ inputs.prerelease }} == true ]; then
+            SUFFIX="-PRERELEASE"
+          fi
+          
+          perl -n .github/gen-docs-changelog.pl < CHANGELOG$SUFFIX.md >> docs~/docs/changelog.md
+          perl -n .github/gen-docs-changelog.pl < CHANGELOG$SUFFIX''-jp.md >> docs~/i18n/ja/docusaurus-plugin-content-docs/current/changelog.md
+
       - name: Build docs
         run: |
           cd docs~

.github/workflows/deploy-pages.yml

@@ -40,11 +40,13 @@ jobs:
   
   build-docs:
     name: Build documentation (latest release)
-    uses: bdunderscore/modular-avatar/.github/workflows/build-test-docs.yml@main
+    # TODO - update to build-docs.yml
+    uses: bdunderscore/modular-avatar/.github/workflows/build-test-docs.yml@docs-snapshot
     needs:
       - snapshot-docs
     with:
       ref: docs-snapshot
+      #prerelease: false TODO - uncomment once we release
     
   build-docs-dev:
     name: Build documentation (main branch)
@@ -53,6 +55,7 @@ jobs:
       ref: main
       path: dev
       artifact: docs-dev
+      prerelease: true
 
   deploy-docs:
     name: Deploy documentation

CHANGELOG-PRERELEASE-jp.md

@@ -8,8 +8,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- [#1497] CHANGELOGをドキュメンテーションサイトに追加
 - [#1482] `Merge Animator` に既存のアニメーターコントローラーを置き換える機能を追加
 - [#1481] [World Scale Object](https://m-a.nadena.dev/dev/ja/docs/reference/world-scale-object)を追加
+- [#1489] [`MA MMD Layer Control`](https://modular-avatar.nadena.dev/docs/general-behavior/mmd)を追加
 
 ### Fixed
 - [#1492] 前回のプレリリースでアイコンとロゴアセットが間違っていた問題を修正
@@ -21,6 +23,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - 具体的には、子ヒューマノイドボーンがある場合はPhysBoneから除外される必要があります。
 - [#1499] `Object Toggle`で制御される`Audio Source`がアニメーションブロックされたときに常にアクティブにならないように、
   アニメーションがブロックされたときにオーディオソースを無効にするように変更。
+- [#1489] `Merge Blend Tree` やリアクティブコンポーネントとMMDワールドの互換性の問題を修正。
+  詳細は[ドキュメント](https://modular-avatar.nadena.dev/docs/general-behavior/mmd)を参照してください。
 
 ### Removed
 

CHANGELOG-PRERELEASE.md

@@ -8,11 +8,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- [#1497] Added changelog to docs site
 - [#1482] Added support for replacing pre-existing animator controllers to `Merge Animator`
 - [#1481] Added [World Scale Object](https://m-a.nadena.dev/dev/docs/reference/world-scale-object)
+- [#1489] Added [`MA MMD Layer Control`](https://modular-avatar.nadena.dev/docs/general-behavior/mmd)
 
 ### Fixed
 - [#1492] Fixed incorrect icon and logo assets in prior prerelease
+- [#1489] Fixed compatibility issues between `Merge Blend Tree` or reactive components and MMD worlds.
+  See [documentation](https://modular-avatar.nadena.dev/docs/general-behavior/mmd) for details on the new handling.
 
 ### Changed
 - [#1483] The Merge Animator "Match Avatar Write Defaults" option will no longer adjust write defaults on states in

CHANGELOG-jp.md

@@ -12,10 +12,13 @@ Modular Avatarの主な変更点をこのファイルで記録しています。
 - CHANGELOGファイルを追加
 - [#1482] `Merge Animator` に既存のアニメーターコントローラーを置き換える機能を追加
 - [#1481] [World Scale Object](https://m-a.nadena.dev/ja/docs/reference/world-scale-object)を追加
+- [#1489] [`MA MMD Layer Control`](https://modular-avatar.nadena.dev/docs/general-behavior/mmd)を追加
 
 ### Fixed
 - [#1460] パラメーターアセットをMA Parametersにインポートするとき、ローカルのみのパラメーターが間違ってアニメーターのみ扱いになる問題を修正
- 
+- [#1489] `Merge Blend Tree` やリアクティブコンポーネントとMMDワールドの互換性の問題を修正。
+  詳細は[ドキュメント](https://modular-avatar.nadena.dev/docs/general-behavior/mmd)を参照してください。
+
 ### Changed
 - [#1476] ModularAvatarMergeAnimator と ModularAvatarMergeParameter を新しい NDMF API (`IVirtualizeMotion` と `IVirtualizeAnimatorController`) を使用するように変更
 - [#1483] Merge Animator の 「アバターの Write Defaults 設定に合わせる」設定では、Additiveなレイヤー、および単一Stateかつ遷移のないレイヤー

CHANGELOG.md

@@ -14,10 +14,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added CHANGELOG files
 - [#1482] Added support for replacing pre-existing animator controllers to `Merge Animator`
 - [#1481] Added [World Scale Object](https://m-a.nadena.dev/docs/reference/world-scale-object)
+- [#1489] Added [`MA MMD Layer Control`](https://modular-avatar.nadena.dev/docs/general-behavior/mmd)
 
 ### Fixed
 - [#1460] When importing parameter assets in MA Parameters, "local only" parameters were incorrectly treated as
   "animator only"
+- [#1489] Fixed compatibility issues between `Merge Blend Tree` or reactive components and MMD worlds.
+  See [documentation](https://modular-avatar.nadena.dev/docs/general-behavior/mmd) for details on the new handling. 
 
 ### Changed
 - [#1476] Switch ModularAvatarMergeAnimator and ModularAvatarMergeParameter to use new NDMF APIs (`IVirtualizeMotion` and `IVirtualizeAnimatorController`)

Editor/Animation/MMDRelayPass.cs

@@ -0,0 +1,234 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using nadena.dev.modular_avatar.core;
+using nadena.dev.modular_avatar.core.editor;
+using nadena.dev.ndmf;
+using nadena.dev.ndmf.animator;
+using UnityEditor;
+using UnityEditor.Animations;
+using UnityEngine;
+using VRC.SDK3.Avatars.Components;
+using VRC.SDKBase;
+using BuildContext = nadena.dev.ndmf.BuildContext;
+using Object = UnityEngine.Object;
+
+namespace nadena.dev.modular_avatar.animation
+{
+    internal class MMDRelayState
+    {
+        internal HashSet<VirtualLayer> mmdAffectedOriginalLayers = new();
+    }
+
+    internal class MMDRelayEarlyPass : Pass<MMDRelayEarlyPass>
+    {
+        protected override void Execute(BuildContext context)
+        {
+            var asc = context.Extension<AnimatorServicesContext>();
+            if (asc.ControllerContext.Controllers.TryGetValue(VRCAvatarDescriptor.AnimLayerType.FX, out var fx))
+            {
+                context.GetState<MMDRelayState>().mmdAffectedOriginalLayers = new HashSet<VirtualLayer>(
+                    fx.Layers.Skip(1).Take(2)
+                );
+            }
+        }
+    }
+
+    /// <summary>
+    ///     Many MMD worlds animate the first three FX layers to weight zero. When MA injects new layers, this can hit
+    ///     unintended layers (eg the RC base state layer).
+    ///     To work around this, we'll inject a layer which will relay its active state into a parameter; then, we add a
+    ///     layer to relay this to layers which should be affected. Finally, any layer which _shouldn't_ be affected is
+    ///     pushed out of the first three layers by injecting dummy layers.
+    /// </summary>
+    internal class MMDRelayPass : Pass<MMDRelayPass>
+    {
+        private const string MMDRelayParam = "__MA/Internal/MMDNotActive";
+        internal const string ControlLayerName = "Modular Avatar: MMD Control";
+        internal const string DummyLayerName = "Modular Avatar: MMD Dummy";
+        internal const string StateNameInitial = "Initial";
+        internal const string StateNameNotMMD = "NotMMD";
+        internal const string StateNameMMD = "MMD";
+
+        protected override void Execute(BuildContext context)
+        {
+            var asc = context.Extension<AnimatorServicesContext>();
+            if (!asc.ControllerContext.Controllers.TryGetValue(VRCAvatarDescriptor.AnimLayerType.FX, out var fx))
+                return;
+
+            var affectedLayers = context.GetState<MMDRelayState>().mmdAffectedOriginalLayers;
+
+            foreach (var layer in fx.Layers)
+            {
+                var rootMMDModeBehaviors = layer.StateMachine.Behaviours
+                    .OfType<ModularAvatarMMDLayerControl>()
+                    .ToList();
+
+                if (rootMMDModeBehaviors.Count == 0) continue;
+                if (rootMMDModeBehaviors.Count > 1)
+                {
+                    ErrorReport.ReportError(Localization.L, ErrorSeverity.Error,
+                        "error.mmd.multiple_mmd_mode_behaviors", layer.Name);
+                    continue;
+                }
+
+                if (rootMMDModeBehaviors[0].DisableInMMDMode)
+                {
+                    affectedLayers.Add(layer);
+                }
+                else
+                {
+                    affectedLayers.Remove(layer);
+                }
+
+                layer.StateMachine.Behaviours = layer.StateMachine.Behaviours
+                    .Where(b => b is not ModularAvatarMMDLayerControl).ToImmutableList();
+                Object.DestroyImmediate(rootMMDModeBehaviors[0]);
+
+                // check for child behaviors
+                // TODO: implement filtering on AllReachableNodes
+                foreach (var node in layer.AllReachableNodes())
+                {
+                    if (node is VirtualState state)
+                    {
+                        if (state.Behaviours.Any(b => b is ModularAvatarMMDLayerControl))
+                        {
+                            ErrorReport.ReportError(Localization.L, ErrorSeverity.Error,
+                                "error.mmd.mmd_mode_in_child_state", layer.Name, state.Name);
+                        }
+                    }
+                    else if (node is VirtualStateMachine vsm)
+                    {
+                        if (vsm.Behaviours.Any(b => b is ModularAvatarMMDLayerControl))
+                        {
+                            ErrorReport.ReportError(Localization.L, ErrorSeverity.Error,
+                                "error.mmd.mmd_mode_in_child_state_machine", layer.Name, vsm.Name);
+                        }
+                    }
+                }
+            }
+
+            var needsAdjustment = fx.Layers.Select((layer, index) => (layer, index))
+                .Any(pair => affectedLayers.Contains(pair.layer) != (pair.index < 3 && pair.index != 0));
+            if (!needsAdjustment) return;
+
+            var toDisable = fx.Layers.Where(l => affectedLayers.Contains(l))
+                .Select(l => l.VirtualLayerIndex)
+                .ToList();
+
+            fx.Parameters = fx.Parameters.Add(MMDRelayParam, new AnimatorControllerParameter
+            {
+                name = MMDRelayParam,
+                type = AnimatorControllerParameterType.Float,
+                defaultFloat = 0
+            });
+
+            var currentLayers = fx.Layers.ToList();
+            var newLayers = new List<VirtualLayer>();
+
+            // Layer zero's weight can't be changed anyway, so leave it where it is.
+            newLayers.Add(currentLayers[0]);
+            currentLayers.RemoveAt(0);
+            newLayers.Add(CreateMMDLayer(fx, toDisable));
+
+            // Add a dummy layer
+            var dummy = fx.AddLayer(new LayerPriority(0), DummyLayerName);
+            var s = dummy.StateMachine!.DefaultState = dummy.StateMachine.AddState("Dummy");
+            s.Motion = VirtualClip.Create("empty");
+            newLayers.Add(dummy);
+
+            fx.Layers = newLayers.Concat(currentLayers);
+        }
+
+        private static VirtualLayer CreateMMDLayer(VirtualAnimatorController fx, List<int> virtualLayers)
+        {
+            // We'll reorder this later, so the layer priority doesn't matter
+            var mmdControl = fx.AddLayer(new LayerPriority(0), ControlLayerName);
+            var stateMachine = mmdControl.StateMachine ?? throw new Exception("No state machine on MMD Control layer");
+
+            var motion = VirtualClip.Create("MMDRelay");
+            motion.SetFloatCurve(EditorCurveBinding.FloatCurve("", typeof(Animator), MMDRelayParam),
+                AnimationCurve.Constant(0, 1, 1)
+            );
+
+            var state_initial = stateMachine.AddState(StateNameInitial);
+            state_initial.Motion = motion;
+
+            var state_notmmd = stateMachine.AddState(StateNameNotMMD);
+            state_notmmd.Motion = motion;
+
+            var state_mmd = stateMachine.AddState(StateNameMMD);
+            state_mmd.Motion = motion;
+
+            var t = VirtualStateTransition.Create();
+            t.SetDestination(state_mmd);
+            t.Conditions = ImmutableList.Create(new AnimatorCondition
+            {
+                mode = AnimatorConditionMode.Less,
+                parameter = MMDRelayParam,
+                threshold = 0.5f
+            });
+
+            state_notmmd.Transitions = ImmutableList.Create(t);
+
+            t = VirtualStateTransition.Create();
+            t.SetDestination(state_notmmd);
+            t.Conditions = ImmutableList.Create(new AnimatorCondition
+            {
+                mode = AnimatorConditionMode.Greater,
+                parameter = MMDRelayParam,
+                threshold = 0.5f
+            });
+
+            state_mmd.Transitions = ImmutableList.Create(t);
+
+            t = VirtualStateTransition.Create();
+            t.SetDestination(state_mmd);
+            t.Conditions = ImmutableList.Create(new AnimatorCondition
+            {
+                mode = AnimatorConditionMode.Less,
+                parameter = MMDRelayParam,
+                threshold = 0.5f
+            });
+
+            state_initial.Transitions = ImmutableList.Create(t);
+
+            stateMachine.DefaultState = state_initial;
+
+            var mmd_behaviors = ImmutableList.CreateBuilder<StateMachineBehaviour>();
+            var notmmd_behaviors = ImmutableList.CreateBuilder<StateMachineBehaviour>();
+
+            foreach (var index in virtualLayers)
+            {
+                var behavior = ScriptableObject.CreateInstance<VRCAnimatorLayerControl>();
+                behavior.layer = index;
+                behavior.playable = VRC_AnimatorLayerControl.BlendableLayer.FX;
+                behavior.goalWeight = 0;
+                behavior.blendDuration = 0;
+
+                mmd_behaviors.Add(behavior);
+
+                behavior = ScriptableObject.CreateInstance<VRCAnimatorLayerControl>();
+                behavior.layer = index;
+                behavior.playable = VRC_AnimatorLayerControl.BlendableLayer.FX;
+                behavior.goalWeight = 1;
+                behavior.blendDuration = 0;
+
+                notmmd_behaviors.Add(behavior);
+            }
+
+            state_notmmd.Behaviours = notmmd_behaviors.ToImmutable();
+            state_mmd.Behaviours = mmd_behaviors.ToImmutable();
+
+            return mmdControl;
+        }
+
+        internal static bool IsRelayLayer(string layerName)
+        {
+            return layerName == ControlLayerName || layerName == DummyLayerName;
+        }
+    }
+}

Editor/Animation/MMDRelayPass.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 163fd3d0edea43d5969395079f561986
+timeCreated: 1741745889

Editor/Inspector/MMDModeEditor.cs

@@ -0,0 +1,30 @@
+using UnityEditor;
+using static nadena.dev.modular_avatar.core.editor.Localization;
+
+namespace nadena.dev.modular_avatar.core.editor
+{
+    [CustomEditor(typeof(ModularAvatarMMDLayerControl))]
+    internal class MMDModeEditor : MAEditorBase
+    {
+        private SerializedProperty m_p_DisableInMMDMode;
+
+        private void OnEnable()
+        {
+            m_p_DisableInMMDMode =
+                serializedObject.FindProperty(nameof(ModularAvatarMMDLayerControl.m_DisableInMMDMode));
+        }
+
+        protected override void OnInnerInspectorGUI()
+        {
+            serializedObject.Update();
+
+            LogoDisplay.DisplayLogo();
+
+            EditorGUILayout.PropertyField(m_p_DisableInMMDMode, G("mmd_mode.disable_in_mmd_mode"));
+
+            ShowLanguageUI();
+
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+}

Editor/Inspector/MMDModeEditor.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: a1a682db3a3b491fa27980adfeeacffd
+timeCreated: 1741836147

Editor/PluginDefinition/PluginDefinition.cs

@@ -54,6 +54,7 @@ namespace nadena.dev.modular_avatar.core.editor.plugin
                 seq.WithRequiredExtension(typeof(AnimatorServicesContext), _s2 =>
                 {
 #if MA_VRCSDK3_AVATARS
+                    seq.Run(MMDRelayEarlyPass.Instance);
                     seq.Run(RenameParametersPluginPass.Instance);
                     seq.Run(ParameterAssignerPass.Instance);
                     seq.Run(MergeBlendTreePass.Instance);
@@ -98,6 +99,8 @@ namespace nadena.dev.modular_avatar.core.editor.plugin
                         ctx => { ctx.Extension<AnimatorServicesContext>().RemoveEmptyLayers(); });
                     seq.Run("Harmonize animator parameter types",
                         ctx => { ctx.Extension<AnimatorServicesContext>().HarmonizeParameterTypes(); });
+
+                    seq.Run(MMDRelayPass.Instance);
                 });
 #if MA_VRCSDK3_AVATARS
                 seq.Run(PhysbonesBlockerPluginPass.Instance);

Runtime/ModularAvatarMMDLayerControl.cs

@@ -0,0 +1,23 @@
+using System.Diagnostics.CodeAnalysis;
+using JetBrains.Annotations;
+using UnityEngine;
+
+namespace nadena.dev.modular_avatar.core
+{
+    [AddComponentMenu("Modular Avatar/MA MMD Layer Control")]
+    [DisallowMultipleComponent]
+    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/mmd-layer-control?lang=auto")]
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    // ReSharper disable once RequiredBaseTypesIsNotInherited (false positive)
+    public sealed class ModularAvatarMMDLayerControl : StateMachineBehaviour
+    {
+        [SerializeField] internal bool m_DisableInMMDMode;
+
+        [PublicAPI]
+        public bool DisableInMMDMode
+        {
+            get => m_DisableInMMDMode;
+            set => m_DisableInMMDMode = value;
+        }
+    }
+}

Runtime/ModularAvatarMMDLayerControl.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d1d979d3cedd4ddd969f414e2ea04fb8
+timeCreated: 1741836107

UnitTests~/Animation/LayerPruningTest.cs

@@ -3,6 +3,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using modular_avatar_tests;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core.editor;
 using NUnit.Framework;
 using UnityEditor.Animations;
@@ -21,10 +22,12 @@ namespace modular_avatar_tests
             
             var fxController = (AnimatorController) FindController(prefab, VRCAvatarDescriptor.AnimLayerType.FX).animatorController;
             var l0 = fxController.layers[0];
-            var l1 = fxController.layers[1];
+            Assert.AreEqual(MMDRelayPass.ControlLayerName, fxController.layers[1].name);
-            var l2 = fxController.layers[2];
+            Assert.AreEqual(MMDRelayPass.DummyLayerName, fxController.layers[2].name);
-            var l3 = fxController.layers[3];
+            var l1 = fxController.layers[3];
-            var l3a = fxController.layers[4];
+            var l2 = fxController.layers[4];
+            var l3 = fxController.layers[5];
+            var l3a = fxController.layers[6];
 
             Assert.AreEqual("Base Layer", l0.name);
             Assert.AreEqual("L1", l1.name);
@@ -37,10 +40,10 @@ namespace modular_avatar_tests
             Assert.AreEqual("2", ((VRCAnimatorLayerControl)l3.stateMachine.defaultState.behaviours[0]).debugString);
             Assert.IsTrue(l3.stateMachine.defaultState.behaviours[1] is VRCAnimatorTrackingControl);
             Assert.AreEqual("3", ((VRCAnimatorLayerControl)l3.stateMachine.defaultState.behaviours[2]).debugString);
-            Assert.AreEqual(3, ((VRCAnimatorLayerControl)l3.stateMachine.defaultState.behaviours[0]).layer);
+            Assert.AreEqual(FindFxLayerIndex(prefab, l3), ((VRCAnimatorLayerControl)l3.stateMachine.defaultState.behaviours[0]).layer);
             
             Assert.AreEqual(1, l3a.stateMachine.defaultState.behaviours.Length);
-            Assert.AreEqual(3, ((VRCAnimatorLayerControl)l3a.stateMachine.defaultState.behaviours[0]).layer);
+            Assert.AreEqual(FindFxLayerIndex(prefab, l3), ((VRCAnimatorLayerControl)l3a.stateMachine.defaultState.behaviours[0]).layer);
         }
     }
 }

UnitTests~/Animation/MMD.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 046888971cba42e895a515d3d07b955b
+timeCreated: 1742001943

UnitTests~/Animation/MMD/AC1.controller

@@ -0,0 +1,192 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!1102 &-7355338869790508137
+AnimatorState:
+  serializedVersion: 6
+  m_ObjectHideFlags: 1
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: empty
+  m_Speed: 1
+  m_CycleOffset: 0
+  m_Transitions: []
+  m_StateMachineBehaviours: []
+  m_Position: {x: 50, y: 50, z: 0}
+  m_IKOnFeet: 0
+  m_WriteDefaultValues: 1
+  m_Mirror: 0
+  m_SpeedParameterActive: 0
+  m_MirrorParameterActive: 0
+  m_CycleOffsetParameterActive: 0
+  m_TimeParameterActive: 0
+  m_Motion: {fileID: 7400000, guid: 931318d79958463468b9ca3d48c96186, type: 2}
+  m_Tag: 
+  m_SpeedParameter: 
+  m_MirrorParameter: 
+  m_CycleOffsetParameter: 
+  m_TimeParameter: 
+--- !u!1107 &-3477861051435458144
+AnimatorStateMachine:
+  serializedVersion: 6
+  m_ObjectHideFlags: 1
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: L0
+  m_ChildStates:
+  - serializedVersion: 1
+    m_State: {fileID: -7355338869790508137}
+    m_Position: {x: 441.0094, y: 127.91522, z: 0}
+  m_ChildStateMachines: []
+  m_AnyStateTransitions: []
+  m_EntryTransitions: []
+  m_StateMachineTransitions: {}
+  m_StateMachineBehaviours: []
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UnitTests~/Animation/MMD/AC2.controller.meta

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UnitTests~/Animation/MMD/MMDHandlingTests.cs

@@ -0,0 +1,138 @@
+using System.Collections.Generic;
+using nadena.dev.modular_avatar.animation;
+using nadena.dev.modular_avatar.core.editor;
+using NUnit.Framework;
+using UnityEditor.Animations;
+using UnityEngine.Assertions.Must;
+using VRC.SDK3.Avatars.Components;
+using VRC.SDKBase;
+
+namespace modular_avatar_tests.MMD
+{
+    public class MMDHandlingTests : TestBase
+    {
+        [Test]
+        public void MMDMode_NoopHandling()
+        {
+            var prefab = CreatePrefab("MMDMode_Noop.prefab");
+            
+            AvatarProcessor.ProcessAvatar(prefab);
+
+            var fx = FindFxController(prefab);
+            var fxc = (AnimatorController)fx.animatorController;
+            
+            Assert.AreEqual(3, fxc.layers.Length);
+            Assert.AreEqual("L0", fxc.layers[0].name);
+            Assert.AreEqual("L1", fxc.layers[1].name);
+            Assert.AreEqual("L2", fxc.layers[2].name);
+        }
+
+        [Test]
+        public void MMDMode_ReactiveComponent()
+        {
+            var prefab = CreatePrefab("MMDMode_Reactive.prefab");
+            
+            AvatarProcessor.ProcessAvatar(prefab);
+            
+            var fx = FindFxController(prefab);
+            var fxc = (AnimatorController)fx.animatorController;
+
+            // RC, MMD, dummy, L0, L1, L2
+            AssertMMDModeHandling(fxc, 4, 5);
+            
+            Assert.AreEqual(MergeBlendTreePass.BlendTreeLayerName, fxc.layers[0].name);
+            Assert.AreEqual(MMDRelayPass.ControlLayerName, fxc.layers[1].name);
+            Assert.AreEqual(MMDRelayPass.DummyLayerName, fxc.layers[2].name);
+            Assert.AreEqual("L0", fxc.layers[3].name);
+            Assert.AreEqual("L1", fxc.layers[4].name);
+            Assert.AreEqual("L2", fxc.layers[5].name);
+        }
+
+        [Test]
+        public void MMDMode_MergeBefore()
+        {
+            var prefab = CreatePrefab("MMDMode_MergeBefore.prefab");
+            
+            AvatarProcessor.ProcessAvatar(prefab);            
+            
+            var fx = FindFxController(prefab);
+            var fxc = (AnimatorController)fx.animatorController;
+            
+            // M0, MMD, dummy, M1, M2, L0, L1, L2
+            AssertMMDModeHandling(fxc, 6, 7);
+            
+            Assert.AreEqual(8, fxc.layers.Length);
+            Assert.AreEqual("M0", fxc.layers[0].name);
+            Assert.AreEqual(MMDRelayPass.ControlLayerName, fxc.layers[1].name);
+            Assert.AreEqual(MMDRelayPass.DummyLayerName, fxc.layers[2].name);
+            Assert.AreEqual("M1", fxc.layers[3].name);
+            Assert.AreEqual("M2", fxc.layers[4].name);
+            Assert.AreEqual("L0", fxc.layers[5].name);
+            Assert.AreEqual("L1", fxc.layers[6].name);
+            Assert.AreEqual("L2", fxc.layers[7].name);
+        }
+
+        [Test]
+        public void MMDMode_ManualOverride()
+        {
+            var prefab = CreatePrefab("MMDMode_Overrides.prefab");
+            
+            AvatarProcessor.ProcessAvatar(prefab);
+            
+            var fx = FindFxController(prefab);
+            var fxc = (AnimatorController)fx.animatorController;
+            
+            // Base, MMD, dummy, ForceOff, DefaultOn, DefaultOff, ForceOn
+            AssertMMDModeHandling(fxc, 4, 6);
+        }
+        
+
+        private void AssertMMDModeHandling(AnimatorController fxc, params int[] layers)
+        {
+            Assert.AreEqual(MMDRelayPass.ControlLayerName, fxc.layers[1].name);
+            Assert.AreEqual(MMDRelayPass.DummyLayerName, fxc.layers[2].name);
+
+            var expectedLayers = new HashSet<int>(layers);
+
+            foreach (var state in fxc.layers[1].stateMachine.states)
+            {
+                var actualLayers = new HashSet<int>();
+                float expectedWeight = -1f;
+
+                var behaviors = state.state.behaviours;
+
+                switch (state.state.name)
+                {
+                    case MMDRelayPass.StateNameInitial:
+                        Assert.IsEmpty(behaviors);
+                        Assert.AreEqual(fxc.layers[1].stateMachine.defaultState, state.state);
+                        continue;
+                    
+                    case MMDRelayPass.StateNameNotMMD:
+                        expectedWeight = 1f;
+                        break;
+                    
+                    case MMDRelayPass.StateNameMMD:
+                        expectedWeight = 0f;
+                        break;
+                    
+                    default:
+                        Assert.Fail($"Unexpected state {state.state.name}");
+                        break;
+                }
+
+                foreach (var behavior in state.state.behaviours)
+                {
+                    if (behavior is VRCAnimatorLayerControl lc)
+                    {
+                        Assert.AreEqual(expectedWeight, lc.goalWeight);
+                        Assert.AreEqual(VRC_AnimatorLayerControl.BlendableLayer.FX, lc.playable);
+                        Assert.IsTrue(actualLayers.Add(lc.layer));
+                    }
+                }
+                
+                Assert.That(expectedLayers, Is.EquivalentTo(actualLayers));
+            }
+        }
+    }
+}

UnitTests~/Animation/MMD/MMDHandlingTests.cs.meta

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UnitTests~/Animation/MMD/Overrides.controller.meta

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UnitTests~/Animation/MMD/empty.anim

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UnitTests~/Animation/MMD/empty.anim.meta

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UnitTests~/Animation/MergeBlendTreeTest.cs

@@ -2,6 +2,7 @@
 
 using System;
 using System.Linq;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core;
 using nadena.dev.modular_avatar.core.editor;
 using NUnit.Framework;
@@ -115,7 +116,7 @@ namespace modular_avatar_tests
             var layerNames = (FindController(root, VRCAvatarDescriptor.AnimLayerType.FX).animatorController as AnimatorController)
                 .layers.Select(l => l.name).ToArray();
             
-            Assert.AreEqual(new[] {MergeBlendTreePass.BlendTreeLayerName, "m2", "Eyes", "FaceMood", "m1", "m3"}, layerNames);
+            Assert.AreEqual(new[] {MergeBlendTreePass.BlendTreeLayerName, MMDRelayPass.ControlLayerName, MMDRelayPass.DummyLayerName, "m2", "Eyes", "FaceMood", "m1", "m3"}, layerNames);
         }
 
         ModularAvatarMergeAnimator TestMerge(GameObject root, string mergeName, Motion motion = null)

UnitTests~/Animation/MergeOrderTest.cs

@@ -1,6 +1,7 @@
 #if MA_VRCSDK3_AVATARS
 
 using System.Linq;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.ndmf;
 using NUnit.Framework;
 using UnityEditor.Animations;
@@ -24,7 +25,7 @@ namespace modular_avatar_tests
             
             Assert.AreEqual(new []
             {
-                "1", "2", "3", "4", "5"
+                "1", MMDRelayPass.ControlLayerName, MMDRelayPass.DummyLayerName, "2", "3", "4", "5"
             }, layerNames);
         }
     }

UnitTests~/MergeAnimatorTests/Replacement/MergeAnimatorReplacementTest.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using modular_avatar_tests;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core;
 using nadena.dev.modular_avatar.core.editor;
 using nadena.dev.ndmf;
@@ -20,10 +21,12 @@ namespace UnitTests.MergeAnimatorTests.Replacement
 
             var fx = FindFxController(prefab);
             var fxc = (AnimatorController)fx.animatorController;
+
+            var layers = fxc.layers.Where(l => !MMDRelayPass.IsRelayLayer(l.name)).ToList();
             
-            Assert.AreEqual(2, fxc.layers.Length);
+            Assert.AreEqual(2, layers.Count);
-            Assert.AreEqual("2", fxc.layers[0].name);
+            Assert.AreEqual("2", layers[0].name);
-            Assert.AreEqual("3", fxc.layers[1].name);
+            Assert.AreEqual("3", layers[1].name);
         }
 
         [Test]
@@ -38,9 +41,11 @@ namespace UnitTests.MergeAnimatorTests.Replacement
             var fx = FindFxController(prefab);
             var fxc = (AnimatorController)fx.animatorController;
             
-            Assert.AreEqual(2, fxc.layers.Length);
+            var layers = fxc.layers.Where(l => !MMDRelayPass.IsRelayLayer(l.name)).ToList();
-            Assert.AreEqual("3", fxc.layers[0].name);
+            
-            Assert.AreEqual("2", fxc.layers[1].name);
+            Assert.AreEqual(2, layers.Count);
+            Assert.AreEqual("3", layers[0].name);
+            Assert.AreEqual("2", layers[1].name);
         }
 
         [Test]

UnitTests~/MergeAnimatorTests/WriteDefaults/WriteDefaultsMergeTests.cs

@@ -1,4 +1,5 @@
 using modular_avatar_tests;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core;
 using nadena.dev.modular_avatar.core.editor;
 using nadena.dev.ndmf.animator;
@@ -40,6 +41,9 @@ namespace UnitTests.MergeAnimatorTests.WriteDefaults
             foreach (var layer in vfx.Layers)
             {
                 bool expectedState;
+                
+                if (MMDRelayPass.IsRelayLayer(layer.Name)) continue;
+                
                 switch (layer.Name[0])
                 {
                     case 'M': expectedState = wdMode ?? mergeSetMode; break;

UnitTests~/SyncedLayerHandling/SyncedLayerHandling.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using nadena.dev.modular_avatar.core.editor;
 using NUnit.Framework;
 using UnityEditor.Animations;
+using UnityEngine;
 using VRC.SDK3.Avatars.Components;
 
 namespace modular_avatar_tests.SyncedLayerHandling
@@ -19,7 +20,7 @@ namespace modular_avatar_tests.SyncedLayerHandling
             var mainLayer = findFxLayer(prefab, "main");
             var syncLayer = findFxLayer(prefab, "sync");
 
-            Assert.AreEqual(1, syncLayer.syncedLayerIndex);
+            Assert.AreEqual(FindFxLayerIndex(prefab, mainLayer), syncLayer.syncedLayerIndex);
 
             var m1State = FindStateInLayer(mainLayer, "m1");
             var m2State = FindStateInLayer(mainLayer, "m2");
@@ -42,7 +43,7 @@ namespace modular_avatar_tests.SyncedLayerHandling
             var mainLayer = findFxLayer(prefab, "main");
             var syncLayer = findFxLayer(prefab, "sync");
 
-            Assert.AreEqual(2, syncLayer.syncedLayerIndex);
+            Assert.AreEqual(FindFxLayerIndex(prefab, mainLayer), syncLayer.syncedLayerIndex);
 
             var m1State = FindStateInLayer(mainLayer, "m1");
             var m2State = FindStateInLayer(mainLayer, "m2");
@@ -61,11 +62,11 @@ namespace modular_avatar_tests.SyncedLayerHandling
         {
             var prefab = CreatePrefab("BaseController.prefab");
             AvatarProcessor.ProcessAvatar(prefab);
-
+            
             var mainLayer = findFxLayer(prefab, "main");
             var syncLayer = findFxLayer(prefab, "sync");
 
-            Assert.AreEqual(1, syncLayer.syncedLayerIndex);
+            Assert.AreEqual(FindFxLayerIndex(prefab, mainLayer), syncLayer.syncedLayerIndex);
 
             var m1State = FindStateInLayer(mainLayer, "m1");
             var overrides = syncLayer.GetOverrideBehaviours(m1State);
@@ -86,7 +87,7 @@ namespace modular_avatar_tests.SyncedLayerHandling
             var mainLayer = findFxLayer(prefab, "main");
             var syncLayer = findFxLayer(prefab, "sync");
 
-            Assert.AreEqual(2, syncLayer.syncedLayerIndex);
+            Assert.AreEqual(FindFxLayerIndex(prefab, mainLayer), syncLayer.syncedLayerIndex);
 
             var m1State = FindStateInLayer(mainLayer, "m1");
             var overrides = syncLayer.GetOverrideBehaviours(m1State);
@@ -108,7 +109,7 @@ namespace modular_avatar_tests.SyncedLayerHandling
             var mainLayer = findFxLayer(prefab, "main");
             var syncLayer = findFxLayer(prefab, "sync");
 
-            Assert.AreEqual(2, syncLayer.syncedLayerIndex);
+            Assert.AreEqual(FindFxLayerIndex(prefab, mainLayer), syncLayer.syncedLayerIndex);
 
             var m1State = FindStateInLayer(mainLayer, "m1");
             var overrides = syncLayer.GetOverrideBehaviours(m1State);

UnitTests~/TestBase.cs

@@ -165,5 +165,10 @@ namespace modular_avatar_tests
                 .FirstOrDefault(l => l.type == layerType);
         }
 #endif
+        protected int FindFxLayerIndex(GameObject prefab, AnimatorControllerLayer layer)
+        {
+            var fx = (AnimatorController)FindFxController(prefab).animatorController;
+            return fx.layers.TakeWhile(l => l.stateMachine != layer.stateMachine).Count();
+        }
     }
 }

design-docs~/mmd.md

@@ -0,0 +1,8 @@
+Early pass: Identify top-three FX layers (update in Merge Animation if in replace mode)
+  - Merge Animation replace mode needs to be careful not to break RC! (TODO)
+Late running pass:
+  Inject layer 0: Animate _MMD_NotActive to 1
+  If layers 1/2 are not part of the original FX: Insert dummy layers (empty motion)
+  Add layer (can this be a dummy layer?):
+  - If _MMD_NotActive is 0, drive the original 3 layers off (and back on when 1)
+Opt-in: New state _machine_ behavior to control MMD behavior (opt in or opt out)

design-docs~/reactive-component-v2.md

@@ -0,0 +1,71 @@
+# Goals
+
+* Single frame evaluation
+* Parameter drivers
+* Condition overrides
+* Extensibility
+  * We need to support NDMF extensions adding new conditions, new reactions, and changing how existing reactions are
+    animated
+  * XDress as a sample case
+
+## General concept: Object conditions
+
+By default, the condition of an object is a boolean value determined by ANDing the object's active state, any condition
+components on the object, and the condition of its parent.
+
+The Condition Override component can be used to override this. If this component is present, the condition of the object
+is replaced by the condition specified by the Condition Override component. This condition can specify an OR of (not)
+ANDs, each of which can contain:
+
+* A condition component
+* A game object's active state
+* A game object's _condition_ (including its parents)
+
+## Evaluation
+
+We need to convert these conditions into blend trees in the end. Generally, 1D or 2D freeform blend trees are used as
+boolean primitives. Complex conditions may require multiple frames to evaluate, as a direct conversion would result
+in a O(2^n) blend tree nodes; as such, we instead consider that an OR should be evaluated by adding up each of its
+branches in an internal parameter, and in a subsequent frame operating based on whether that parameter is >= 1.
+
+## Wavefronts
+
+To avoid objects triggering at different times, we synchronize the state change of all related objects. A group of such
+objects is called a _wave_, and a single evaluation is a _wavefront_. To construct a wave, we build an undirected graph
+consisting of connections between gameobject _active state_ inputs, virtual nodes corresponding to condition components
+and object conditions, and gameobjects animated by reactions. Then, each subgraph of this graph is a wave.
+
+Within a wave, we arrange for all objects to respond with the same latency in frames. This is accomplished by adding
+buffering stages to the decision blendtrees where needed. For gameobject _active state_ inputs, we convert them into
+parameter driving curves, and then apply those curves to the object's active state after an appropriate delay.
+
+Note: For AAO compatibility, we need a prepass to merge multiple objects with identical animations into a single parameter
+and driving animation.
+
+# Extension APIs
+
+## What do we want to do?
+
+### XDress
+
+XDress needs to operate on an entire wave at a time. It will in particular need to:
+
+* Add additional delay to reactions outside of its scope (?)
+* Virtualize some reactions into parameters so it can apply its own animations afterward
+
+### Custom conditions
+
+We need to generate a new condition in the form of a blendtree (or multiple blendtrees). The framework will provide a
+"true" or "false" motion that the blendtree will branch to.
+
+### Custom reactions
+
+Apart from the XDress usecase where we virtualize as parameters, we also want to be able to directly drive serialized
+properties.
+
+### Parameter drivers
+
+Parameter drivers require a separate layer, due to the need to use state behaviors
+
+TODO: substatemachine tricks
+TODO: loop handling

docs~/docs/changelog.md

@@ -0,0 +1,6 @@
+---
+sidebar_position: 9
+---
+
+# Release History
+

docs~/docs/general-behavior/index.md

@@ -0,0 +1,7 @@
+---
+sidebar_position: 6
+---
+
+# General Behavior
+
+This section has general information on the behavior of Modular Avatar.

docs~/docs/general-behavior/mmd.md

@@ -0,0 +1,28 @@
+# MMD World Workarounds
+
+Some "MMD Worlds" in VRChat have a behavior where they will disable the _second and third_ layers of your FX animator
+controller. This is intended to disable the layers controlling your facial expressions, so the MMD world can override
+them.
+
+Modular Avatar will automatically arrange for whichever layers were _originally_ layers 2 and 3 to be disabled in this
+circumstance. That is, if a layer is added before them, MA will add some relay layers to drive layers 2 and 3 off and
+on appropriately.
+
+Layers added via Merge Animator (even in replace mode) will not be affected by this MMD world behavior; if necessary,
+padding layers will be added to protect them. If you want to opt them into this behavior, you can attach the `MA MMD
+Layer Control` _state machine behavior_ to the layer you want to control.
+
+:::warning
+
+The `MA MMD Layer Control` state machine behavior will only work when attached to the layer directly. Due to how state
+machine behaviors work, I can't stop you from attaching them to individual states - but this will break your build
+(so don't do that).
+
+:::
+
+:::note
+
+This workaround only works for worlds which specifically disable layers 2 & 3. Given current VRChat constraints, it's
+not possible to provide a more general solution.
+
+:::

docs~/docs/problems/index.md

@@ -1,5 +1,5 @@
 ---
-sidebar_position: 6
+sidebar_position: 7
 ---
 
 # Dealing with problems

docs~/docs/reference/mmd-layer-control.md

@@ -0,0 +1,3 @@
+# MMD Layer Control
+
+Refer to the [documentation on MMD handling](../general-behavior/mmd).

docs~/i18n/ja/docusaurus-plugin-content-docs/current/changelog.md

@@ -0,0 +1,6 @@
+---
+sidebar_position: 9
+---
+
+# リリースノーツ
+

docs~/i18n/ja/docusaurus-plugin-content-docs/current/general-behavior/index.md

@@ -0,0 +1,7 @@
+---
+sidebar_position: 6
+---
+
+# その他の仕様
+
+Modular Avatar の一般的な挙動に関する情報です。

docs~/i18n/ja/docusaurus-plugin-content-docs/current/general-behavior/mmd.md

@@ -0,0 +1,32 @@
+# MMD ワールド対策
+
+一部の「MMD ワールド」では、FXアニメーターコントローラーの2番目と3番目_のレイヤーを無効にする動作があります。
+これは、表情を制御するレイヤーを無効にして、MMD ワールドがそれを上書きできるようにするためです。
+
+Modular Avatar は、元々レイヤー2と3であったレイヤーがこの状況で無効になるように自動的に配慮します。
+つまり、レイヤーがそれらより前に追加された場合、MA はレイヤー2と3を適切にオンとオフするためのリレーレイヤーを追加します。
+
+Merge Animatorなどで追加されたレイヤーは、（置換モードでも）この MMD ワールドの動作に影響を受けません。
+必要に応じて、それらを保護するためのパディングレイヤーが追加されます。MMDワールドの動作で無効化したい場合は、
+`MA MMD Layer Control` という_ステートマシンビヘイビア_を制御したいレイヤーに追加することができます。
+
+
+:::warning
+
+`MA MMD Layer Control` ステートマシンビヘイビアは、レイヤーに直接アタッチされている場合にのみ機能します。
+ステートマシンビヘイビアの仕様により、個々のステートに追加することはできてしまいますが、その場合はビルドが失敗するのでやめましょう。
+
+:::
+
+:::warning
+
+`MA MMD Layer Control`は現在、FXアニメーターコントローラーのレイヤーにのみ適用されます。
+
+:::
+
+:::note
+
+このワークアラウンドは、２番と３番レイヤーを無効にするワールドにのみ正しく適用されます。
+現在のVRChatの制約により、より一般的な解決策を提供することはできません。
+
+:::

docs~/i18n/ja/docusaurus-plugin-content-docs/current/reference/mmd-layer-control.md

@@ -0,0 +1,3 @@
+# MMD Layer Control
+
+[MMD ワールド対策のドキュメンテーション](../general-behavior/mmd)を参照してください。

docs~/yarn.lock

@@ -728,23 +728,13 @@ __metadata:
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