sourcemod/public/vtable_hook_helper.h

115 lines
2.9 KiB
C++

/**
* 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());
}
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_