forked from BilalY/Rasagar
51 lines
2.1 KiB
C#
51 lines
2.1 KiB
C#
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// Note: If not UNITY_INPUT_SYSTEM_PROJECT_WIDE_ACTIONS we do not use a custom property drawer and
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// picker for InputActionReferences but rather rely on default (classic) object picker.
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#if UNITY_EDITOR && UNITY_INPUT_SYSTEM_PROJECT_WIDE_ACTIONS
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using UnityEditor;
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using UnityEditor.Search;
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namespace UnityEngine.InputSystem.Editor
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{
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/// <summary>
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/// Custom property drawer in order to use the "Advanced Picker" from UnityEditor.Search.
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/// </summary>
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[CustomPropertyDrawer(typeof(InputActionReference))]
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internal sealed class InputActionReferencePropertyDrawer : PropertyDrawer
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{
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private readonly SearchContext m_Context = UnityEditor.Search.SearchService.CreateContext(new[]
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{
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InputActionReferenceSearchProviders.CreateInputActionReferenceSearchProviderForAssets(),
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InputActionReferenceSearchProviders.CreateInputActionReferenceSearchProviderForProjectWideActions(),
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}, string.Empty, SearchConstants.PickerSearchFlags);
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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// Sets the property to null if the action is not found in the asset.
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ValidatePropertyWithDanglingInputActionReferences(property);
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ObjectField.DoObjectField(position, property, typeof(InputActionReference), label,
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m_Context, SearchConstants.PickerViewFlags);
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}
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static void ValidatePropertyWithDanglingInputActionReferences(SerializedProperty property)
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{
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if (property?.objectReferenceValue is InputActionReference reference)
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{
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// Check only if the reference is a project-wide action.
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if (reference?.asset == InputSystem.actions)
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{
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var action = reference?.asset?.FindAction(reference.action.id);
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if (action is null)
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{
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property.objectReferenceValue = null;
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property.serializedObject.ApplyModifiedProperties();
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}
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}
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}
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}
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}
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}
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#endif
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