extensions/bintools/HookWrapper.h
changeset 2504 74fea7db93e4
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/extensions/bintools/HookWrapper.h	Thu Jan 08 18:17:17 2009 +1300
     1.3 @@ -0,0 +1,97 @@
     1.4 +/**
     1.5 + * vim: set ts=4 :
     1.6 + * =============================================================================
     1.7 + * SourceMod BinTools Extension
     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: CallMaker.h 1964 2008-03-27 04:54:56Z damagedsoul $
    1.33 + */
    1.34 +
    1.35 +#ifndef _INCLUDE_SOURCEMOD_HOOKWRAPPER_H_
    1.36 +#define _INCLUDE_SOURCEMOD_HOOKWRAPPER_H_
    1.37 +
    1.38 +#if defined HOOKING_ENABLED
    1.39 +
    1.40 +#include "smsdk_ext.h"
    1.41 +#include "sourcehook.h"
    1.42 +#include "IBinTools.h"
    1.43 +
    1.44 +#define VTABLE_PATCH_OFFS		2
    1.45 +
    1.46 +using namespace SourceMod;
    1.47 +
    1.48 +class HookWrapper : public IHookWrapper
    1.49 +{
    1.50 +public:
    1.51 +	HookWrapper(SourceHook::ISourceHook *pSH, 
    1.52 +				const SourceHook::ProtoInfo *proto, 
    1.53 +				SourceHook::MemFuncInfo *memfunc, 
    1.54 +				void *addr
    1.55 +				);
    1.56 +	~HookWrapper();
    1.57 +public: //IHookWrapper
    1.58 +	ISMDelegate *CreateDelegate(void *data);
    1.59 +	unsigned int GetParamCount();
    1.60 +	unsigned int GetParamOffset(unsigned int argnum, unsigned int *size);
    1.61 +	void PerformRecall(void *params, void *retval);
    1.62 +	void Destroy();
    1.63 +public:
    1.64 +	unsigned int GetParamSize();
    1.65 +	unsigned int GetRetSize();
    1.66 +	SourceHook::ProtoInfo *GetProtoInfo();
    1.67 +	void *GetHandlerAddr();
    1.68 +	void SetHookWrpAddr(void *addr);
    1.69 +	void SetCallWrapperAddr(ICallWrapper *wrap);
    1.70 +private:
    1.71 +	void *m_FuncAddr;
    1.72 +	void *m_HookWrapper;
    1.73 +	SourceHook::ISourceHook *m_pSH;
    1.74 +	unsigned int *m_ParamOffs;
    1.75 +	unsigned int m_ParamSize;
    1.76 +	unsigned int m_RetSize;
    1.77 +	SourceHook::MemFuncInfo m_MemFuncInfo;
    1.78 +	SourceHook::ProtoInfo m_ProtoInfo;
    1.79 +	ICallWrapper *m_CallWrapper;
    1.80 +};
    1.81 +
    1.82 +class SMDelegate : public ISMDelegate
    1.83 +{
    1.84 +public:
    1.85 +	SMDelegate(void *data);
    1.86 +public: //SourceHook::ISHDelegate
    1.87 +	bool IsEqual(ISHDelegate *pOtherDeleg);
    1.88 +	void DeleteThis();
    1.89 +	void Call();
    1.90 +public: //ISMDelegate
    1.91 +	void *GetUserData();
    1.92 +public:
    1.93 +	void PatchVtable(void *addr);
    1.94 +private:
    1.95 +	void *m_Data;
    1.96 +};
    1.97 +
    1.98 +#endif
    1.99 +
   1.100 +#endif //_INCLUDE_SOURCEMOD_HOOKWRAPPER_H_