Updated demo project.

demo/main.gd

@@ -0,0 +1,19 @@
+extends Node3D
+
+@onready var synced_animation_graph: SyncedAnimationGraph = %SyncedAnimationGraph
+@onready var animation_tree: AnimationTree = %AnimationTree
+@onready var blend_weight_slider: HSlider = %BlendWeightSlider
+@onready var blend_weight_label: Label = %BlendWeightLabel
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	blend_weight_slider.value = 0.0
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func _on_blend_weight_slider_value_changed(value: float) -> void:
+	animation_tree.set("parameters/Blend2/blend_amount", value)
+	synced_animation_graph.set("parameters/AnimationBlend2Node/blend_amount", value)
+	blend_weight_label.text = str(value)

demo/main.gd.uid

@@ -0,0 +1 @@
+uid://bjvgqujpqumj7

demo/main.tscn

@@ -1,33 +1,132 @@
-[gd_scene load_steps=5 format=3 uid="uid://svj53e2xoio"]
+[gd_scene load_steps=14 format=3 uid="uid://svj53e2xoio"]
 
 [ext_resource type="PackedScene" uid="uid://d1xcqdqr1qeu6" path="res://assets/MixamoAmy.glb" id="1_0xm2m"]
-[ext_resource type="AnimationNodeBlendTree" uid="uid://dbkgln7hoxxc8" path="res://embedded_statemachine.tres" id="2_h2yge"]
-[ext_resource type="AnimationLibrary" uid="uid://bjyfy6m2sr2kp" path="res://animation_library.tres" id="3_1bvp3"]
+[ext_resource type="Script" uid="uid://bjvgqujpqumj7" path="res://main.gd" id="1_1bvp3"]
+[ext_resource type="AnimationLibrary" uid="uid://dwubn740aqx51" path="res://animation_library.res" id="3_1bvp3"]
 [ext_resource type="SyncedBlendTree" uid="uid://bijslmj4wd7ap" path="res://synced_blend_tree_node_limping.tres" id="4_1bvp3"]
 
-[node name="Node3D" type="Node3D"]
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_h2yge"]
+albedo_color = Color(0.427493, 0.42749307, 0.42749307, 1)
 
-[node name="MixamoAmy" parent="." instance=ExtResource("1_0xm2m")]
+[sub_resource type="PlaneMesh" id="PlaneMesh_h2yge"]
+material = SubResource("StandardMaterial3D_h2yge")
+size = Vector2(20, 20)
 
-[node name="AnimationTree" type="AnimationTree" parent="."]
-active = false
-root_node = NodePath("../MixamoAmy")
-tree_root = ExtResource("2_h2yge")
-anim_player = NodePath("../MixamoAmy/AnimationPlayer")
-parameters/Blend2/blend_amount = 0.44
-"parameters/Embedded StateMachine/conditions/is_healthy" = false
-"parameters/Embedded StateMachine/conditions/is_limping" = false
+[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_h2yge"]
+sky_horizon_color = Color(0.66224277, 0.6717428, 0.6867428, 1)
+ground_horizon_color = Color(0.66224277, 0.6717428, 0.6867428, 1)
 
-[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
-root_node = NodePath("../MixamoAmy")
+[sub_resource type="Sky" id="Sky_1bvp3"]
+sky_material = SubResource("ProceduralSkyMaterial_h2yge")
+
+[sub_resource type="Environment" id="Environment_lquwl"]
+background_mode = 2
+sky = SubResource("Sky_1bvp3")
+tonemap_mode = 2
+glow_enabled = true
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_h2yge"]
+animation = &"Limping-InPlace"
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_1bvp3"]
+animation = &"Walk-InPlace"
+
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_lquwl"]
+
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_7mycd"]
+nodes/output/position = Vector2(540, 140)
+nodes/Animation/node = SubResource("AnimationNodeAnimation_1bvp3")
+nodes/Animation/position = Vector2(120, 80)
+"nodes/Animation 2/node" = SubResource("AnimationNodeAnimation_h2yge")
+"nodes/Animation 2/position" = Vector2(80, 320)
+nodes/Blend2/node = SubResource("AnimationNodeBlend2_lquwl")
+nodes/Blend2/position = Vector2(360, 180)
+node_connections = [&"output", 0, &"Blend2", &"Blend2", 0, &"Animation", &"Blend2", 1, &"Animation 2"]
+
+[node name="Main" type="Node3D"]
+script = ExtResource("1_1bvp3")
+
+[node name="UI" type="CanvasLayer" parent="."]
+
+[node name="MarginContainer" type="MarginContainer" parent="UI"]
+anchors_preset = 7
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+offset_left = -153.5
+offset_top = -40.0
+offset_right = 153.5
+grow_horizontal = 2
+grow_vertical = 0
+size_flags_horizontal = 4
+size_flags_vertical = 8
+
+[node name="HBoxContainer" type="HBoxContainer" parent="UI/MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 14
+
+[node name="Label" type="Label" parent="UI/MarginContainer/HBoxContainer"]
+layout_mode = 2
+text = "Blend Weight"
+
+[node name="BlendWeightSlider" type="HSlider" parent="UI/MarginContainer/HBoxContainer"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(200, 0)
+layout_mode = 2
+size_flags_vertical = 4
+max_value = 1.0
+step = 0.001
+
+[node name="BlendWeightLabel" type="Label" parent="UI/MarginContainer/HBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "0.0"
+
+[node name="Level" type="Node3D" parent="."]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="Level"]
+mesh = SubResource("PlaneMesh_h2yge")
+skeleton = NodePath("../..")
+
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="Level"]
+transform = Transform3D(1, 0, 0, 0, 0.14081486, 0.99003595, 0, -0.99003595, 0.14081486, 0, 2.0531263, 4.9494514)
+shadow_enabled = true
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="Level"]
+environment = SubResource("Environment_lquwl")
+
+[node name="Camera3D" type="Camera3D" parent="Level"]
+transform = Transform3D(1, 0, 0, 0, 0.9897887, 0.14254257, 0, -0.14254257, 0.9897887, 0, 0.89188766, 1.4517534)
+
+[node name="Characters" type="Node3D" parent="."]
+
+[node name="MixamoAmy" parent="Characters" instance=ExtResource("1_0xm2m")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.5, 0, 0)
+
+[node name="AnimationTree" type="AnimationTree" parent="Characters/MixamoAmy"]
+unique_name_in_owner = true
+root_node = NodePath("%AnimationTree/..")
+tree_root = SubResource("AnimationNodeBlendTree_7mycd")
+anim_player = NodePath("../AnimationPlayer")
+parameters/Blend2/blend_amount = 0.5
+
+[node name="MixamoAmySynced" parent="Characters" instance=ExtResource("1_0xm2m")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.5, 0, 0)
+
+[node name="AnimationPlayer2" type="AnimationPlayer" parent="Characters/MixamoAmySynced"]
 libraries = {
 &"animation_library": ExtResource("3_1bvp3")
 }
 
-[node name="SyncedAnimationGraph" type="SyncedAnimationGraph" parent="."]
-animation_player = NodePath("../AnimationPlayer")
+[node name="SyncedAnimationGraph" type="SyncedAnimationGraph" parent="Characters/MixamoAmySynced"]
+unique_name_in_owner = true
+animation_player = NodePath("../AnimationPlayer2")
 tree_root = ExtResource("4_1bvp3")
-skeleton = NodePath("../MixamoAmy/Armature/Skeleton3D")
-parameters/AnimationBlend2Node/blend_amount = 0.0
+skeleton = NodePath("../Armature/Skeleton3D")
+parameters/AnimationBlend2Node/blend_amount = 0.5
 
-[editable path="MixamoAmy"]
+[connection signal="value_changed" from="UI/MarginContainer/HBoxContainer/BlendWeightSlider" to="." method="_on_blend_weight_slider_value_changed"]
+
+[editable path="Characters/MixamoAmy"]
+[editable path="Characters/MixamoAmySynced"]

demo/project.godot

@@ -11,6 +11,7 @@ config_version=5
 [application]
 
 config/name="Synced Blend Tree Test"
+run/main_scene="uid://svj53e2xoio"
 config/features=PackedStringArray("4.5", "Forward Plus")
 config/icon="res://icon.svg"
 

demo/synced_blend_tree_node.tres

@@ -0,0 +1,18 @@
+[gd_resource type="SyncedBlendTree" load_steps=4 format=3 uid="uid://de41u8rkjnjyk"]
+
+[sub_resource type="AnimationSamplerNode" id="AnimationSamplerNode_bvt3d"]
+animation = &"animation_library/Run-InPlace"
+
+[sub_resource type="AnimationSamplerNode" id="AnimationSamplerNode_sntl5"]
+animation = &"animation_library/Walk-InPlace"
+
+[sub_resource type="AnimationBlend2Node" id="AnimationBlend2Node_n4m28"]
+
+[resource]
+nodes/Blend2/node = SubResource("AnimationBlend2Node_n4m28")
+nodes/Blend2/position = Vector2(0, 0)
+"nodes/AnimationSamplerNode 1/node" = SubResource("AnimationSamplerNode_bvt3d")
+"nodes/AnimationSamplerNode 1/position" = Vector2(0, 0)
+nodes/AnimationSamplerNode/node = SubResource("AnimationSamplerNode_sntl5")
+nodes/AnimationSamplerNode/position = Vector2(0, 0)
+node_connections = [&"Blend2", 0, &"AnimationSamplerNode", &"Blend2", 1, &"AnimationSamplerNode 1", &"Output", 0, &"Blend2"]

demo/synced_blend_tree_node_limping.tres

@@ -0,0 +1,19 @@
+[gd_resource type="SyncedBlendTree" load_steps=4 format=3 uid="uid://bijslmj4wd7ap"]
+
+[sub_resource type="AnimationBlend2Node" id="AnimationBlend2Node_bvt3d"]
+blend_amount = 0.5
+
+[sub_resource type="AnimationSamplerNode" id="AnimationSamplerNode_sntl5"]
+animation = &"animation_library/Limping-InPlace"
+
+[sub_resource type="AnimationSamplerNode" id="AnimationSamplerNode_n4m28"]
+animation = &"animation_library/Walk-InPlace"
+
+[resource]
+nodes/AnimationBlend2Node/node = SubResource("AnimationBlend2Node_bvt3d")
+nodes/AnimationBlend2Node/position = Vector2(0, 0)
+"nodes/AnimationSamplerNode 1/node" = SubResource("AnimationSamplerNode_sntl5")
+"nodes/AnimationSamplerNode 1/position" = Vector2(0, 0)
+nodes/AnimationSamplerNode/node = SubResource("AnimationSamplerNode_n4m28")
+nodes/AnimationSamplerNode/position = Vector2(0, 0)
+node_connections = [&"AnimationBlend2Node", 0, &"AnimationSamplerNode", &"AnimationBlend2Node", 1, &"AnimationSamplerNode 1", &"Output", 0, &"AnimationBlend2Node"]

demo/walk_limp_blend_tree.tres

@@ -1,21 +0,0 @@
-[gd_resource type="AnimationNodeBlendTree" load_steps=4 format=3 uid="uid://c7o0gt3li5p4b"]
-
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_fpiwu"]
-animation = &"animation_library/Limping-InPlace"
-
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_4sffn"]
-animation = &"animation_library/Walk-InPlace"
-
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_w6plo"]
-sync = true
-blend_amount = 0.5
-
-[resource]
-nodes/output/position = Vector2(860, 160)
-nodes/Animation/node = SubResource("AnimationNodeAnimation_4sffn")
-nodes/Animation/position = Vector2(280, 100)
-"nodes/Animation 2/node" = SubResource("AnimationNodeAnimation_fpiwu")
-"nodes/Animation 2/position" = Vector2(280, 300)
-nodes/Blend2/node = SubResource("AnimationNodeBlend2_w6plo")
-nodes/Blend2/position = Vector2(640, 160)
-node_connections = [&"output", 0, &"Blend2", &"Blend2", 0, &"Animation", &"Blend2", 1, &"Animation 2"]