feat: aetherbind, first source generator

2026-07-18 17:05:03 +02:00
parent 4ce99d9486
commit aae9c083d9
69 changed files with 210 additions and 156 deletions
@@ -0,0 +1,97 @@
+#if TOOLS
+using System;
+using System.Linq;
+using Godot;
+
+namespace GodotHostTest.AetherBind.Editor;
+
+public partial class ScopePickerEditor : EditorProperty
+{
+    /// <summary>
+    /// The currently chosen type.
+    /// </summary>
+    private string _currentType;
+
+    /// <summary>
+    /// All the known fully qualified names for scopes.
+    /// </summary>
+    private string[] _fullyQualifiedNames;
+
+    /// <summary>
+    ///     The "combo box" that picks a choice from the scopes.
+    /// </summary>
+    private OptionButton _optionButton = new();
+
+    /// <summary>
+    /// A guard against internal changes while the property is being updated.
+    /// </summary>
+    private bool _updating;
+
+    public ScopePickerEditor()
+    {
+        // save all the known fully qualified names
+        _fullyQualifiedNames = ScopeTypesAndNames.GetQualifiedNames().ToArray();
+
+        // fill the options button
+        for (var i = 0; i < _fullyQualifiedNames.Length; i++)
+        {
+            // root scope is always the first, and root scope = not scoped
+            _optionButton.AddItem(
+                i == 0
+                    ? "not a scope boundary"
+                    : ScopeTypesAndNames.GetSimpleNameFromQualifiedName(_fullyQualifiedNames[i]), i);
+        }
+
+        // add the control as a direct child of EditorProperty node.
+        AddChild(_optionButton);
+
+        // make sure the control is able to retain the focus.
+        AddFocusable(_optionButton);
+
+        // initialize the starting value
+        _currentType = _fullyQualifiedNames[0];
+
+        // update the property when the button value changes
+        _optionButton.ItemSelected += OnOptionButtonItemSelected;
+    }
+
+    public override void _UpdateProperty()
+    {
+        // get the new value and immediately return if it's already the selected one.
+        var newValue = GetEditedObject().Get(GetEditedProperty()).AsString();
+        if (newValue == _currentType) return;
+
+        _updating = true;
+        try
+        {
+            var nameIndex = Array.IndexOf(_fullyQualifiedNames, newValue);
+            if (nameIndex < 0)
+            {
+                GD.PushWarning($"Could not find name {newValue} in the list of scope names, resetting to root scope");
+                _currentType = _fullyQualifiedNames[0];
+                EmitChanged(GetEditedProperty(), _currentType);
+                return;
+            }
+
+            _currentType = newValue;
+            UpdateControl();
+        }
+        finally
+        {
+            _updating = false;
+        }
+    }
+
+    private void OnOptionButtonItemSelected(long index)
+    {
+        _currentType = _fullyQualifiedNames[index];
+        UpdateControl();
+        EmitChanged(GetEditedProperty(), _currentType);
+    }
+
+    private void UpdateControl()
+    {
+        _optionButton.Selected = Array.IndexOf(_fullyQualifiedNames, _currentType);
+    }
+}
+#endif