86 lines
4.2 KiB
C#
86 lines
4.2 KiB
C#
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/*
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Copyright (c) 2021 Omar Duarte
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Unauthorized copying of this file, via any medium is strictly prohibited.
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Writen by Omar Duarte, 2021.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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using UnityEngine;
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namespace PluginMaster
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{
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[UnityEditor.InitializeOnLoad]
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public static class SelectionManager
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{
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private static GameObject[] _topLevelSelection = new GameObject[0];
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private static GameObject[] _topLevelSelectionWithPrefabs = new GameObject[0];
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private static GameObject[] _selection = new GameObject[0];
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public static System.Action selectionChanged;
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static SelectionManager() => UnityEditor.Selection.selectionChanged += UpdateSelection;
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private static void UpdateSelection(System.Collections.Generic.List<GameObject> list,
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bool filteredByTopLevel, bool excludePrefabs)
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{
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var newSet = new System.Collections.Generic.HashSet<GameObject>(
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UnityEditor.Selection.GetFiltered<GameObject>(UnityEditor.SelectionMode.Editable
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| (excludePrefabs ? UnityEditor.SelectionMode.ExcludePrefab : UnityEditor.SelectionMode.Unfiltered)
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| (filteredByTopLevel ? UnityEditor.SelectionMode.TopLevel : UnityEditor.SelectionMode.Unfiltered)));
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if (newSet.Count == 0)
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{
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list.Clear();
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return;
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}
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var unselectedSet = new System.Collections.Generic.HashSet<GameObject>(list);
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unselectedSet.ExceptWith(newSet);
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foreach (var obj in unselectedSet) list.Remove(obj);
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newSet.ExceptWith(list);
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foreach (var obj in newSet) list.Add(obj);
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}
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public static void UpdateSelection()
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{
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var selectionOrderedTopLevel = new System.Collections.Generic.List<GameObject>(_topLevelSelection);
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var selectionOrdered = new System.Collections.Generic.List<GameObject>(_selection);
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var selectionOrderedTopLevelWithPrefabs
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= new System.Collections.Generic.List<GameObject>(_topLevelSelectionWithPrefabs);
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UpdateSelection(selectionOrderedTopLevel, true, true);
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UpdateSelection(selectionOrdered, false, true);
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UpdateSelection(selectionOrderedTopLevelWithPrefabs, true, false);
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_selection = selectionOrdered.ToArray();
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_topLevelSelection = selectionOrderedTopLevel.ToArray();
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_topLevelSelectionWithPrefabs = selectionOrderedTopLevelWithPrefabs.ToArray();
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if (selectionChanged != null) selectionChanged();
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}
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public static GameObject[] GetSelection(bool filteredByTopLevel)
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=> filteredByTopLevel ? _topLevelSelection : _selection;
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public static GameObject[] topLevelSelection => _topLevelSelection;
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public static GameObject[] topLevelSelectionWithPrefabs => _topLevelSelectionWithPrefabs;
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public static GameObject[] selection => _selection;
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public static GameObject[] GetSelectionPrefabs()
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{
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var result = new System.Collections.Generic.List<GameObject>();
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foreach (var obj in topLevelSelectionWithPrefabs)
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{
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if (obj == null) continue;
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var assetType = UnityEditor.PrefabUtility.GetPrefabAssetType(obj);
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if (assetType == UnityEditor.PrefabAssetType.NotAPrefab) continue;
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var prefab = obj;
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if (UnityEditor.PrefabUtility.IsAnyPrefabInstanceRoot(obj))
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{
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prefab = assetType == UnityEditor.PrefabAssetType.Variant ? obj
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: UnityEditor.PrefabUtility.GetCorrespondingObjectFromSource(obj);
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}
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if (result.Contains(prefab)) continue;
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result.Add(prefab);
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}
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return result.ToArray();
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}
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}
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}
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