olegknyazev · October 28, 2018 14:38 · Oct 28, 2018
diff --git a/formatting-find-or-die.cs b/formatting-find-or-die.cs
@@ -0,0 +1,29 @@
+bool FindMaskOrDie() {
+    if (_destroyed)
+        return false;
+    mask = NearestMask(transform, out _affectedByMask)
+        ?? NearestMask(transform, out _affectedByMask, enabledOnly: false);
+    if (mask == null) {
+        _destroyed = true;
+        DestroyImmediate(this);
+        return false;
+    }
+    return true;
+}
+
+static ISoftMask NearestMask(Transform transform, out bool processedByThisMask, bool enabledOnly = true) {
+    processedByThisMask = true;
+    var current = transform;
+    while (true) {
+        if (!current)
+            return null;
+        if (current != transform) { // Masks do not mask themselves
+            var mask = GetISoftMask(current, shouldBeEnabled: enabledOnly);
+            if (mask != null)
+                return mask;
+        }
+        if (IsOverridingSortingCanvas(current))
+            processedByThisMask = false;
+        current = current.parent;
+    }
+}