From 3bbfd7f13336216d53712c4d24debede8b6ec574 Mon Sep 17 00:00:00 2001
From: hypercross <helios.tnak@gmail.com>
Date: Sun, 7 Sep 2025 14:56:16 +0800
Subject: [PATCH] fix: Animancer TreeViewItem

---
 .../Editor/GUI/Weighted Mask Layers/TransformTreeView.cs    | 6 ++++++
 .../Editor/GUI/Weighted Mask Layers/TransformTreeWindow.cs  | 5 +++++
 .../WeightedMaskLayersDefinitionWindow.cs                   | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeView.cs b/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeView.cs
index 4e7a667..4f36ea7 100644
--- a/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeView.cs	
+++ b/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeView.cs	
@@ -9,6 +9,12 @@ using UnityEditor;
 using UnityEditor.IMGUI.Controls;
 using UnityEngine;
 
+#if UNITY_6000_2_OR_NEWER
+using TreeViewItem = UnityEditor.IMGUI.Controls.TreeViewItem<int>;
+using TreeViewState = UnityEditor.IMGUI.Controls.TreeViewState<int>;
+using TreeView = UnityEditor.IMGUI.Controls.TreeView<int>;
+#endif
+
 namespace Animancer.Editor
 //namespace FlexiMotion.Editor
 {
diff --git a/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeWindow.cs b/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeWindow.cs
index 17fad6b..5bf536d 100644
--- a/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeWindow.cs	
+++ b/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/TransformTreeWindow.cs	
@@ -10,6 +10,11 @@ using UnityEditor.IMGUI.Controls;
 using UnityEngine;
 using static Animancer.Editor.AnimancerGUI;
 
+#if UNITY_6000_2_OR_NEWER
+using TreeViewItem = UnityEditor.IMGUI.Controls.TreeViewItem<int>;
+using TreeViewState = UnityEditor.IMGUI.Controls.TreeViewState<int>;
+#endif
+
 namespace Animancer.Editor
 {
     /// <summary>[Editor-Only]
diff --git a/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/WeightedMaskLayersDefinitionWindow.cs b/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/WeightedMaskLayersDefinitionWindow.cs
index 5c538bc..58d8dff 100644
--- a/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/WeightedMaskLayersDefinitionWindow.cs	
+++ b/com.kybernetik.animancer/Editor/GUI/Weighted Mask Layers/WeightedMaskLayersDefinitionWindow.cs	
@@ -9,6 +9,11 @@ using UnityEditor.IMGUI.Controls;
 using UnityEngine;
 using static Animancer.Editor.AnimancerGUI;
 
+#if UNITY_6000_2_OR_NEWER
+using TreeViewItem = UnityEditor.IMGUI.Controls.TreeViewItem<int>;
+using TreeViewState = UnityEditor.IMGUI.Controls.TreeViewState<int>;
+#endif
+
 namespace Animancer.Editor
 {
     /// <summary>An <see cref="TransformTreeWindow{TTarget, TDefinition}"/> for editing spring definitions.</summary>