maint: added livewatch asset

Assets/Plugins/LiveWatchLite/Scripts/Utilities/WatchVariableQueryExtensions.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+
+namespace Ingvar.LiveWatch
+{
+    [Flags]
+    public enum WatchFilters
+    {
+        None = 0,
+        FoldedIfChilds = 1 << 0,
+        NoValues = 1 << 1,
+        NoChilds = 1 << 2,
+    }
+    
+    public static class WatchVariableQueryExtensions
+    {
+        public static void GetAllChildRecursive(this WatchStorage storage, List<WatchVariable> variables, WatchFilters breakFilters, WatchFilters continueFilters, bool includeItself = true)
+        {
+            variables.Clear();
+            
+            foreach (var variableName in storage.SortedNames)
+            {
+                FindAllChildsRecursive(storage.Items[variableName], 0, variables, breakFilters, continueFilters, includeItself);
+            }
+        }
+        
+        private static void FindAllChildsRecursive(WatchVariable variable, int recursionDepth, List<WatchVariable> results, WatchFilters breakFilters, WatchFilters continueFilters, bool includeItself = true)
+        {
+            if (includeItself && !SkippedByQuery(variable, continueFilters))
+            {
+                results.Add(variable);
+            }
+
+            if (recursionDepth >= Watch.MaxRecursionDepth 
+                || SkippedByQuery(variable, breakFilters))
+            {
+                return;
+            }
+
+            foreach (var childVariableName in variable.Childs.SortedNames)
+            {
+                FindAllChildsRecursive(variable.Childs.Items[childVariableName], recursionDepth + 1, results, breakFilters, continueFilters);
+            }
+        }
+
+        private static bool SkippedByQuery(WatchVariable variable, WatchFilters filters)
+        {
+            if (filters == WatchFilters.None)
+            {
+                return false;
+            }
+
+            if (filters.HasFlag(WatchFilters.FoldedIfChilds) && variable.HasChilds && !variable.EditorMeta.IsExpanded)
+            {
+                return true;
+            }
+            
+            if (filters.HasFlag(WatchFilters.NoValues) && !variable.HasValues)
+            {
+                return true;
+            }
+            
+            if (filters.HasFlag(WatchFilters.NoChilds) && !variable.HasChilds)
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+}