maint: added livewatch asset

Assets/Plugins/LiveWatchLite/Scripts/WatchVariableSortUpdater.cs

@@ -0,0 +1,57 @@
+using UnityEngine;
+
+namespace Ingvar.LiveWatch
+{
+    public class WatchVariableSortUpdater
+    {
+        public const float InitialOrderStep = 0.0001f;
+
+        public void TrySortByVariable(WatchVariable variable)
+        {
+            if (!variable.RuntimeMeta.IsSortingRequired)
+                return;
+
+            SortWatches(variable.Parent == null ? Watch.Watches : variable.Parent.Childs);
+        }
+        
+        public void SortWatches(WatchStorage storage)
+        {
+            if (storage.SortedNames.Count <= 1)
+                return;
+            
+            storage.IsSortable = true;
+            
+            var previousDefaultOrder = 0f;
+            
+            for (var i = 0; i < storage.SortedNames.Count - 1; i++)
+            {
+                for (var j = i + 1; j < storage.SortedNames.Count; j++)
+                {
+                    if (GetSortOrder(i) > GetSortOrder(j))
+                        ReplaceVariables(i, j);
+                }
+            }
+
+            float GetSortOrder(int index)
+            {
+                var runtimeMeta = storage.Get(storage.SortedNames[index]).RuntimeMeta;
+                runtimeMeta.IsSortingRequired = false;
+
+                if (!runtimeMeta.IsOrderSet && Mathf.Abs(runtimeMeta.SortOrder) < InitialOrderStep / 2f)
+                {
+                    runtimeMeta.SortOrder = previousDefaultOrder + InitialOrderStep;
+                    previousDefaultOrder = runtimeMeta.SortOrder;
+                }
+
+                return runtimeMeta.SortOrder;
+            }
+            
+            void ReplaceVariables(int index1, int index2)
+            {
+                var tempStr = storage.SortedNames[index1];
+                storage.SortedNames[index1] = storage.SortedNames[index2];
+                storage.SortedNames[index2] = tempStr;
+            }
+        }
+    }
+}