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| 1 | +// clones UI RectTransform values from one GameObject to another in Unity Editor (only for identical hierarchy) |
| 2 | + |
| 3 | +using UnityEngine; |
| 4 | +using UnityEditor; |
| 5 | +using TMPro; |
| 6 | +using UnityEngine.UI; |
| 7 | + |
| 8 | +namespace UnityLibrary.Tools |
| 9 | +{ |
| 10 | + public class RectTransformCloner : EditorWindow |
| 11 | + { |
| 12 | + private GameObject source; |
| 13 | + private GameObject target; |
| 14 | + private bool requireIdenticalNames = true; |
| 15 | + private bool cloneTMPAlignment = false; |
| 16 | + |
| 17 | + [MenuItem("Tools/RectTransform Cloner")] |
| 18 | + private static void ShowWindow() |
| 19 | + { |
| 20 | + var window = GetWindow<RectTransformCloner>(); |
| 21 | + window.titleContent = new GUIContent("RectTransform Cloner"); |
| 22 | + window.Show(); |
| 23 | + } |
| 24 | + |
| 25 | + private void OnGUI() |
| 26 | + { |
| 27 | + GUILayout.Label("Clone RectTransform", EditorStyles.boldLabel); |
| 28 | + |
| 29 | + source = (GameObject)EditorGUILayout.ObjectField("Source", source, typeof(GameObject), true); |
| 30 | + target = (GameObject)EditorGUILayout.ObjectField("Target", target, typeof(GameObject), true); |
| 31 | + requireIdenticalNames = EditorGUILayout.Toggle("Require Identical Names", requireIdenticalNames); |
| 32 | + cloneTMPAlignment = EditorGUILayout.Toggle("Clone TMP Alignment", cloneTMPAlignment); |
| 33 | + |
| 34 | + if (GUILayout.Button("Clone RectTransforms")) |
| 35 | + { |
| 36 | + if (source == null || target == null) |
| 37 | + { |
| 38 | + Debug.LogError("Source and Target must be assigned."); |
| 39 | + return; |
| 40 | + } |
| 41 | + |
| 42 | + string errorMessage; |
| 43 | + if (!CompareHierarchies(source.transform, target.transform, out errorMessage)) |
| 44 | + { |
| 45 | + Debug.LogError("Source and Target hierarchies do not match!\n" + errorMessage, target); |
| 46 | + return; |
| 47 | + } |
| 48 | + |
| 49 | + Undo.RegisterFullObjectHierarchyUndo(target, "Clone RectTransform Values"); |
| 50 | + CopyRectTransforms(source.transform, target.transform); |
| 51 | + |
| 52 | + Debug.Log("RectTransform values cloned successfully.", target); |
| 53 | + |
| 54 | + if (target.transform.parent != null) |
| 55 | + { |
| 56 | + RectTransform parentRect = target.transform.parent as RectTransform; |
| 57 | + if (parentRect != null) |
| 58 | + { |
| 59 | + LayoutRebuilder.ForceRebuildLayoutImmediate(parentRect); |
| 60 | + } |
| 61 | + else |
| 62 | + { |
| 63 | + Debug.LogWarning("Target's parent is not a RectTransform, cannot force layout rebuild.", target); |
| 64 | + } |
| 65 | + } |
| 66 | + else |
| 67 | + { |
| 68 | + Debug.LogWarning("Target has no parent, cannot force layout rebuild.", target); |
| 69 | + } |
| 70 | + EditorUtility.SetDirty(target); |
| 71 | + SceneView.RepaintAll(); |
| 72 | + } |
| 73 | + } |
| 74 | + |
| 75 | + private bool CompareHierarchies(Transform source, Transform target, out string errorMessage) |
| 76 | + { |
| 77 | + errorMessage = ""; |
| 78 | + |
| 79 | + if (source.childCount != target.childCount) |
| 80 | + { |
| 81 | + errorMessage = $"Child count mismatch at {GetTransformPath(source)}: Source has {source.childCount}, Target has {target.childCount}"; |
| 82 | + return false; |
| 83 | + } |
| 84 | + |
| 85 | + for (int i = 0; i < source.childCount; i++) |
| 86 | + { |
| 87 | + var sourceChild = source.GetChild(i); |
| 88 | + var targetChild = target.GetChild(i); |
| 89 | + |
| 90 | + if (requireIdenticalNames && sourceChild.name != targetChild.name) |
| 91 | + { |
| 92 | + errorMessage = $"Child name mismatch at {GetTransformPath(sourceChild)}: Source has '{sourceChild.name}', Target has '{targetChild.name}'"; |
| 93 | + return false; |
| 94 | + } |
| 95 | + |
| 96 | + if (!CompareHierarchies(sourceChild, targetChild, out errorMessage)) |
| 97 | + { |
| 98 | + return false; |
| 99 | + } |
| 100 | + } |
| 101 | + |
| 102 | + return true; |
| 103 | + } |
| 104 | + |
| 105 | + private void CopyRectTransforms(Transform source, Transform target) |
| 106 | + { |
| 107 | + var sourceRect = source as RectTransform; |
| 108 | + var targetRect = target as RectTransform; |
| 109 | + |
| 110 | + if (sourceRect != null && targetRect != null) |
| 111 | + { |
| 112 | + CopyRectTransformValues(sourceRect, targetRect); |
| 113 | + |
| 114 | + if (cloneTMPAlignment) |
| 115 | + { |
| 116 | + var sourceTMP = source.GetComponent<TextMeshProUGUI>(); |
| 117 | + var targetTMP = target.GetComponent<TextMeshProUGUI>(); |
| 118 | + if (sourceTMP != null && targetTMP != null) |
| 119 | + { |
| 120 | + Undo.RecordObject(targetTMP, "Clone TMP Alignment"); |
| 121 | + targetTMP.alignment = sourceTMP.alignment; |
| 122 | + } |
| 123 | + } |
| 124 | + } |
| 125 | + |
| 126 | + for (int i = 0; i < source.childCount; i++) |
| 127 | + { |
| 128 | + CopyRectTransforms(source.GetChild(i), target.GetChild(i)); |
| 129 | + } |
| 130 | + } |
| 131 | + |
| 132 | + private void CopyRectTransformValues(RectTransform source, RectTransform target) |
| 133 | + { |
| 134 | + target.anchoredPosition = source.anchoredPosition; |
| 135 | + target.sizeDelta = source.sizeDelta; |
| 136 | + target.anchorMin = source.anchorMin; |
| 137 | + target.anchorMax = source.anchorMax; |
| 138 | + target.pivot = source.pivot; |
| 139 | + target.localRotation = source.localRotation; |
| 140 | + target.localScale = source.localScale; |
| 141 | + target.localPosition = source.localPosition; |
| 142 | + } |
| 143 | + |
| 144 | + private string GetTransformPath(Transform t) |
| 145 | + { |
| 146 | + if (t.parent == null) |
| 147 | + return t.name; |
| 148 | + return GetTransformPath(t.parent) + "/" + t.name; |
| 149 | + } |
| 150 | + } |
| 151 | +} |
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