1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/public/vtable_hook_helper.h	Sat Mar 01 14:25:35 2014 -0700
     1.3 @@ -0,0 +1,104 @@
     1.4 +/**
     1.5 + * vim: set ts=4 :
     1.6 + * =============================================================================
     1.7 + * SourceMod
     1.8 + * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     1.9 + * =============================================================================
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify it under
    1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
    1.13 + * Free Software Foundation.
    1.14 + * 
    1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
    1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 + * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    1.18 + * details.
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License along with
    1.21 + * this program.  If not, see <http://www.gnu.org/licenses/>.
    1.22 + *
    1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
    1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
    1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    1.26 + * by the Valve Corporation.  You must obey the GNU General Public License in
    1.27 + * all respects for all other code used.  Additionally, AlliedModders LLC grants
    1.28 + * this exception to all derivative works.  AlliedModders LLC defines further
    1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    1.30 + * or <http://www.sourcemod.net/license.php>.
    1.31 + *
    1.32 + * Version: $Id$
    1.33 + */
    1.34 +
    1.35 +#ifndef _INCLUDE_VTABLE_HOOK_HELPER_H_
    1.36 +#define _INCLUDE_VTABLE_HOOK_HELPER_H_
    1.37 +
    1.38 +class CVTableHook
    1.39 +{
    1.40 +public:
    1.41 +	CVTableHook(void *takenclass)
    1.42 +	{
    1.43 +		this->vtableptr = *reinterpret_cast<void ***>(takenclass);
    1.44 +		this->hookid = 0;
    1.45 +	}
    1.46 +
    1.47 +	CVTableHook(void *vtable, int hook)
    1.48 +	{
    1.49 +		this->vtableptr = vtable;
    1.50 +		this->hookid = hook;
    1.51 +	}
    1.52 +
    1.53 +	CVTableHook(CVTableHook &other)
    1.54 +	{
    1.55 +		this->vtableptr = other.vtableptr;
    1.56 +		this->hookid = other.hookid;
    1.57 +
    1.58 +		other.hookid = 0;
    1.59 +	}
    1.60 +
    1.61 +	CVTableHook(CVTableHook *other)
    1.62 +	{
    1.63 +		this->vtableptr = other->vtableptr;
    1.64 +		this->hookid = other->hookid;
    1.65 +
    1.66 +		other->hookid = 0;
    1.67 +	}
    1.68 +
    1.69 +	~CVTableHook()
    1.70 +	{
    1.71 +		if (this->hookid)
    1.72 +		{
    1.73 +			SH_REMOVE_HOOK_ID(this->hookid);
    1.74 +			this->hookid = 0;
    1.75 +		}
    1.76 +	}
    1.77 +public:
    1.78 +	void *GetVTablePtr(void)
    1.79 +	{
    1.80 +		return this->vtableptr;
    1.81 +	}
    1.82 +
    1.83 +	void SetHookID(int hook)
    1.84 +	{
    1.85 +		this->hookid = hook;
    1.86 +	}
    1.87 +
    1.88 +	bool IsHooked(void)
    1.89 +	{
    1.90 +		return (this->hookid != 0);
    1.91 +	}
    1.92 +public:
    1.93 +	bool operator == (CVTableHook &other)
    1.94 +	{
    1.95 +		return (this->GetVTablePtr() == other.GetVTablePtr());
    1.96 +	}
    1.97 +
    1.98 +	bool operator == (CVTableHook *other)
    1.99 +	{
   1.100 +		return (this->GetVTablePtr() == other->GetVTablePtr());
   1.101 +	}
   1.102 +private:
   1.103 +	void *vtableptr;
   1.104 +	int hookid;
   1.105 +};
   1.106 +
   1.107 +#endif //_INCLUDE_VTABLE_HOOK_HELPER_H_