fix: direct blend parameters not being remapped (#246)

Closes: #245

Assets/_ModularAvatar/EditModeTests/AnimateAddedBones/AnimateAddedBones.cs

@@ -22,7 +22,7 @@ namespace modular_avatar_tests.AnimateAddedBones
 
             var layerName = "merged";
 
-            var motion = findFxMotion(prefab, layerName);
+            var motion = findFxClip(prefab, layerName);
 
             var cubeObject = prefab.transform.Find("Armature/Hips").GetChild(0).gameObject;
             Assert.True(cubeObject.name.StartsWith("Cube$"));

Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DBTP.anim

@@ -0,0 +1,53 @@
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Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DBTP.anim.meta

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+NativeFormatImporter:
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+  userData: 
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Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DBTP.controller

@@ -0,0 +1,115 @@
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+AnimatorStateMachine:
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+  m_ParentStateMachinePosition: {x: 800, y: 20, z: 0}
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+--- !u!206 &-43520952576507180
+BlendTree:
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+  m_PrefabAsset: {fileID: 0}
+  m_Name: Blend Tree
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+  m_BlendParameterY: Blend
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+  m_BlendType: 4
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Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DBTP.controller.meta

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Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DirectBlendTreeParameters.cs

@@ -0,0 +1,28 @@
+using nadena.dev.modular_avatar.core.editor;
+using NUnit.Framework;
+using UnityEditor;
+using UnityEditor.Animations;
+using UnityEngine;
+
+namespace modular_avatar_tests.DirectBlendTreeParameters
+{
+    public class DirectBlendTreeParameters : TestBase
+    {
+        [Test]
+        public void RemapsDirectBlendTreeParameters()
+        {
+            var prefab = CreatePrefab("DirectBlendTreeParameters.prefab");
+            AvatarProcessor.ProcessAvatar(prefab);
+
+            var layerName = "merged";
+
+            var motion = findFxMotion(prefab, layerName);
+            var blendTree = motion as BlendTree;
+            Assert.NotNull(blendTree);
+
+            var children = blendTree.children;
+            Assert.AreEqual(children[0].directBlendParameter, "A"); //not remapped
+            Assert.AreEqual(children[1].directBlendParameter, "C"); //remapped
+        }
+    }
+}

Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DirectBlendTreeParameters.cs.meta

@@ -0,0 +1,3 @@
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+timeCreated: 1679719502

Assets/_ModularAvatar/EditModeTests/DirectBlendTreeParameters/DirectBlendTreeParameters.prefab

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@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 70484dfc143c0904cb1facfb29d5ee16
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/_ModularAvatar/EditModeTests/SimpleArmatureToggle/SimpleArmatureToggle.cs

@@ -17,7 +17,7 @@ namespace modular_avatar_tests.SimpleArmatureToggle
             AvatarProcessor.ProcessAvatar(prefab);
 
             var layerName = "merged";
-            var motion = findFxMotion(prefab, layerName);
+            var motion = findFxClip(prefab, layerName);
 
             var obj1 = prefab.transform.Find("Armature/Hips").GetChild(1);
             var obj2 = prefab.transform.Find("Armature/Hips/Chest").GetChild(0);
@@ -26,7 +26,7 @@ namespace modular_avatar_tests.SimpleArmatureToggle
                 typeof(GameObject), "m_IsActive");
             var binding2 = EditorCurveBinding.FloatCurve(RuntimeUtil.AvatarRootPath(obj2.gameObject),
                 typeof(GameObject), "m_IsActive");
-            
+
             Assert.NotNull(AnimationUtility.GetEditorCurve(motion, binding1));
             Assert.NotNull(AnimationUtility.GetEditorCurve(motion, binding2));
         }

Assets/_ModularAvatar/EditModeTests/TestBase.cs

@@ -62,15 +62,20 @@ namespace modular_avatar_tests
         }
 
 
-        protected static AnimationClip findFxMotion(GameObject prefab, string layerName)
+        protected static AnimationClip findFxClip(GameObject prefab, string layerName)
+        {
+            var motion = findFxMotion(prefab, layerName) as AnimationClip;
+            Assert.NotNull(motion);
+            return motion;
+        }
+
+        protected static Motion findFxMotion(GameObject prefab, string layerName)
         {
             var layer = findFxLayer(prefab, layerName);
             var state = layer.stateMachine.states[0].state;
             Assert.NotNull(state);
 
-            var motion = state.motion as AnimationClip;
-            Assert.NotNull(motion);
-            return motion;
+            return state.motion;
         }
 
         protected static AnimatorState FindStateInLayer(AnimatorControllerLayer layer, string stateName)

Assets/_ModularAvatar/EditModeTests/TransformMappingThroughSwitchedObject/TransformMappingThroughSwitchedObject.cs

@@ -17,7 +17,7 @@ namespace modular_avatar_tests.TransformMappingThroughSwitchedObject
             var prefab = CreatePrefab("TransformMappingThroughSwitchedObject.prefab");
             AvatarProcessor.ProcessAvatar(prefab);
 
-            var motion = findFxMotion(prefab, "child_controller");
+            var motion = findFxClip(prefab, "child_controller");
 
             var binding = EditorCurveBinding.FloatCurve("Armature/Hips", typeof(Transform), "localEulerAnglesRaw.x");
             var curve = AnimationUtility.GetEditorCurve(motion, binding);

Packages/nadena.dev.modular-avatar/Editor/RenameParametersHook.cs

@@ -327,13 +327,20 @@ namespace nadena.dev.modular_avatar.core.editor
             blendTree.blendParameter = remap(remaps, blendTree.blendParameter);
             blendTree.blendParameterY = remap(remaps, blendTree.blendParameterY);
 
-            foreach (var childMotion in blendTree.children)
+            var children = blendTree.children;
+            for (int i = 0; i < children.Length; i++)
             {
+                var childMotion = children[i];
                 if (childMotion.motion is BlendTree subTree)
                 {
                     ProcessBlendtree(subTree, remaps);
                 }
+
+                childMotion.directBlendParameter = remap(remaps, childMotion.directBlendParameter);
+                children[i] = childMotion;
             }
+
+            blendTree.children = children;
         }
 
         private void ProcessDriver(VRCAvatarParameterDriver driver, ImmutableDictionary<string, string> remaps)