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Assets/Mirror/Editor/Weaver/SyncVarAccessLists.cs

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+// tracks SyncVar read/write access when processing NetworkBehaviour,
+// to later be replaced by SyncVarAccessReplacer.
+using System.Collections.Generic;
+using Mono.CecilX;
+
+namespace Mirror.Weaver
+{
+    // This data is flushed each time - if we are run multiple times in the same process/domain
+    public class SyncVarAccessLists
+    {
+        // setter functions that replace [SyncVar] member variable references. dict<field, replacement>
+        public Dictionary<FieldDefinition, MethodDefinition> replacementSetterProperties =
+            new Dictionary<FieldDefinition, MethodDefinition>();
+
+        // getter functions that replace [SyncVar] member variable references. dict<field, replacement>
+        public Dictionary<FieldDefinition, MethodDefinition> replacementGetterProperties =
+            new Dictionary<FieldDefinition, MethodDefinition>();
+
+        // amount of SyncVars per class. dict<className, amount>
+        // necessary for SyncVar dirty bits, where inheriting classes start
+        // their dirty bits at base class SyncVar amount.
+        public Dictionary<string, int> numSyncVars = new Dictionary<string, int>();
+
+        public int GetSyncVarStart(string className) =>
+            numSyncVars.TryGetValue(className, out int value) ? value : 0;
+
+        public void SetNumSyncVars(string className, int num)
+        {
+            numSyncVars[className] = num;
+        }
+    }
+}