From b79d6b7c5fb8c25a32cf5592be728042c8ecb0ee Mon Sep 17 00:00:00 2001
From: "J. Farnsworth" <6502enthusiast@gmail.com>
Date: Sat, 7 Jan 2017 17:09:21 -0500
Subject: [PATCH] Implemented a netvar offset cache

---
 src/Utilities/NetVars.h | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/Utilities/NetVars.h b/src/Utilities/NetVars.h
index 9862154..e91a1c1 100644
--- a/src/Utilities/NetVars.h
+++ b/src/Utilities/NetVars.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <unordered_map>
+
 class NetVars {
 	private:
 		static uintptr_t FindOffset(RecvTable* recv_table, const char* property_name, RecvProp** property_ptr = nullptr) {
@@ -29,12 +31,29 @@ class NetVars {
 		}
 	public:
 		static uintptr_t GetOffset(const char* class_name, const char* property_name, RecvProp** property_ptr = nullptr) {
+            typedef std::unordered_map<const char *, uintptr_t> PropertyCache;
+            typedef std::unordered_map<const char *, PropertyCache> ClassCache;
+            static ClassCache classCache;
+            
+            ClassCache::iterator itrClassCache = classCache.find(class_name);
+            if(itrClassCache != classCache.end())
+            {
+                PropertyCache &propertyCache = itrClassCache->second;
+                PropertyCache::iterator itrPropertyCache = propertyCache.find(property_name);
+                if(itrPropertyCache != propertyCache.end())
+                {
+                    return itrPropertyCache->second;
+                }
+            }
+            
 			for (ClientClass* class_ptr = clientdll->GetAllClasses(); class_ptr; class_ptr = class_ptr->m_pNext) {
 				if (strcmp(class_ptr->m_pNetworkName, class_name) == 0) {
-					return FindOffset(class_ptr->m_pRecvTable, property_name, property_ptr);
+                    uintptr_t result = FindOffset(class_ptr->m_pRecvTable, property_name, property_ptr);
+                    classCache[class_name][property_name] = result;
+					return result;
 				}
 			}
 
 			return 0;
 		}
-};
\ No newline at end of file
+};