From 076d40510ceb415739104417ed2c2e9c555237fb Mon Sep 17 00:00:00 2001
From: Peace-Maker <peace-maker@wcfan.de>
Date: Fri, 5 Oct 2018 14:23:38 +0200
Subject: [PATCH] Fix crash when trying to decode NULL this pointer

When the this pointer is set to ThisPointer_CBaseEntity and the address is null, just return INVALID_ENT_REFERENCE instead of trying to access the pointer.
---
 vhook.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vhook.cpp b/vhook.cpp
index 97bf5c1..4c47220 100644
--- a/vhook.cpp
+++ b/vhook.cpp
@@ -381,6 +381,8 @@ cell_t GetThisPtr(void *iface, ThisPointerType type)
 {
 	if(type == ThisPointer_CBaseEntity)
 	{
+		if (!iface)
+			return -1;
 		return gamehelpers->EntityToBCompatRef((CBaseEntity *)iface);
 	}