From 9b006b2c8533bae1e528bd123be209453787b9b7 Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Sun, 16 Nov 2025 12:01:48 +0000
Subject: plugin/hook: disallow multiple hooks per function (#12320)

this was never safe. After recent changes, it's become even less so. Just disallow it.

ref #11992
---
 src/plugins/HookSystem.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/plugins/HookSystem.hpp')

diff --git a/src/plugins/HookSystem.hpp b/src/plugins/HookSystem.hpp
index cf098dd1..3431e8c8 100644
--- a/src/plugins/HookSystem.hpp
+++ b/src/plugins/HookSystem.hpp
@@ -3,6 +3,7 @@
 #include <string>
 #include <vector>
 #include <cstddef>
+#include <unordered_set>
 #include "../helpers/memory/Memory.hpp"
 
 #define HANDLE                   void*
@@ -70,7 +71,8 @@ class CHookSystem {
         uint64_t used = 0;
     };
 
-    std::vector<SAllocatedPage> m_pages;
+    std::vector<SAllocatedPage>  m_pages;
+    std::unordered_set<uint64_t> m_activeHooks;
 
     friend class CFunctionHook;
 };
-- 
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