Move PlayerRunCmd to a global VTable Hook (bug 6051, r=psychonic).

extensions/sdktools/hooks.cpp

@@ -116,36 +116,18 @@ void CHookManager::OnClientPutInServer(int client)
 		return;
 	}
 
-	SH_ADD_MANUALHOOK(PlayerRunCmdHook, pEntity, SH_MEMBER(this, &CHookManager::PlayerRunCmd), false);
-}
-
-void CHookManager::OnClientDisconnecting(int client)
-{
-	if (!PRCH_enabled)
-		return;
-
-	if (!PRCH_used)
-		return;
-
-	edict_t *pEdict = PEntityOfEntIndex(client);
-	if (!pEdict)
+	CVTableHook hook(pEntity);
+	for (size_t i = 0; i < m_runUserCmdHooks.length(); ++i)
 	{
-		return;
+		if (hook == m_runUserCmdHooks[i])
+		{
+			return;
+		}
 	}
 
-	IServerUnknown *pUnknown = pEdict->GetUnknown();
-	if (!pUnknown)
-	{
-		return;
-	}
-
-	CBaseEntity *pEntity = pUnknown->GetBaseEntity();
-	if (!pEntity)
-	{
-		return;
-	}
-
-	SH_REMOVE_MANUALHOOK(PlayerRunCmdHook, pEntity, SH_MEMBER(this, &CHookManager::PlayerRunCmd), false);
+	int hookid = SH_ADD_MANUALVPHOOK(PlayerRunCmdHook, pEntity, SH_MEMBER(this, &CHookManager::PlayerRunCmd), false);
+	hook.SetHookID(hookid);
+	m_runUserCmdHooks.append(new CVTableHook(hook));
 }
 
 void CHookManager::PlayerRunCmd(CUserCmd *ucmd, IMoveHelper *moveHelper)
@@ -245,15 +227,12 @@ void CHookManager::OnPluginUnloaded(IPlugin *plugin)
 	if (m_usercmdsFwd->GetFunctionCount())
 		return;
 
-	int MaxClients = playerhelpers->GetMaxClients();
-	for (int i = 1; i <= MaxClients; i++)
+	for (size_t i = 0; i < m_runUserCmdHooks.length(); ++i)
 	{
-		if (playerhelpers->GetGamePlayer(i)->IsInGame())
-		{
-			OnClientDisconnecting(i);
-		}
+		delete m_runUserCmdHooks[i];
 	}
 
+	m_runUserCmdHooks.clear();
 	PRCH_used = false;
 }
 

extensions/sdktools/hooks.h

@@ -35,6 +35,8 @@
 class CUserCmd;
 
 #include "extension.h"
+#include "amtl/am-vector.h"
+#include "vtable_hook_helper.h"
 
 class CHookManager : IPluginsListener, IFeatureProvider
 {
@@ -43,7 +45,6 @@ public:
 	void Initialize();
 	void Shutdown();
 	void OnClientPutInServer(int client);
-	void OnClientDisconnecting(int client);
 	void PlayerRunCmd(CUserCmd *ucmd, IMoveHelper *moveHelper);
 public: //IPluginsListener
 	void OnPluginLoaded(IPlugin *plugin);
@@ -53,6 +54,7 @@ public: //IFeatureProvider
 
 private:
 	IForward *m_usercmdsFwd;
+	ke::Vector<CVTableHook *> m_runUserCmdHooks;
 };
 
 extern CHookManager g_Hooks;

extensions/sdktools/voice.cpp

@@ -173,8 +173,6 @@ bool SDKTools::OnSetClientListening(int iReceiver, int iSender, bool bListen)
 
 void SDKTools::OnClientDisconnecting(int client)
 {
-	g_Hooks.OnClientDisconnecting(client);
-
 	int max_clients = playerhelpers->GetMaxClients();
 
 	if (g_VoiceHookCount == 0)

public/vtable_hook_helper.h

@@ -0,0 +1,104 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod
+ * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#ifndef _INCLUDE_VTABLE_HOOK_HELPER_H_
+#define _INCLUDE_VTABLE_HOOK_HELPER_H_
+
+class CVTableHook
+{
+public:
+	CVTableHook(void *takenclass)
+	{
+		this->vtableptr = *reinterpret_cast<void ***>(takenclass);
+		this->hookid = 0;
+	}
+
+	CVTableHook(void *vtable, int hook)
+	{
+		this->vtableptr = vtable;
+		this->hookid = hook;
+	}
+
+	CVTableHook(CVTableHook &other)
+	{
+		this->vtableptr = other.vtableptr;
+		this->hookid = other.hookid;
+
+		other.hookid = 0;
+	}
+
+	CVTableHook(CVTableHook *other)
+	{
+		this->vtableptr = other->vtableptr;
+		this->hookid = other->hookid;
+
+		other->hookid = 0;
+	}
+
+	~CVTableHook()
+	{
+		if (this->hookid)
+		{
+			SH_REMOVE_HOOK_ID(this->hookid);
+			this->hookid = 0;
+		}
+	}
+public:
+	void *GetVTablePtr(void)
+	{
+		return this->vtableptr;
+	}
+
+	void SetHookID(int hook)
+	{
+		this->hookid = hook;
+	}
+
+	bool IsHooked(void)
+	{
+		return (this->hookid != 0);
+	}
+public:
+	bool operator == (CVTableHook &other)
+	{
+		return (this->GetVTablePtr() == other.GetVTablePtr());
+	}
+
+	bool operator == (CVTableHook *other)
+	{
+		return (this->GetVTablePtr() == other->GetVTablePtr());
+	}
+private:
+	void *vtableptr;
+	int hookid;
+};
+
+#endif //_INCLUDE_VTABLE_HOOK_HELPER_H_