/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod SDKTools Extension

 * 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_SOURCEMOD_VALVE_CALLER_H_

#define _INCLUDE_SOURCEMOD_VALVE_CALLER_H_

#include <sh_stack.h>

#include <extensions/IBinTools.h>

#include "vdecoder.h"

using namespace SourceMod;

/**

 * @brief Info necessary to call a Valve function

 */

struct ValveCall

{

	ICallWrapper *call;							/**< From IBinTools */

	ValveCallType type;							/**< Call type */

	ValvePassInfo *vparams;						/**< Valve parameter info */

	ValvePassInfo *retinfo;						/**< Return buffer info */

	ValvePassInfo *thisinfo;					/**< Thiscall info */

	size_t stackSize;							/**< Stack size */

	size_t stackEnd;							/**< End of the bintools stack */

	unsigned char *retbuf;						/**< Return buffer */

	SourceHook::CStack<unsigned char *> stk;	/**< Parameter stack */

	unsigned char *stk_get();

	void stk_put(unsigned char *ptr);

	ValveCall();

	~ValveCall();

};

ValveCall *CreateValveVCall(unsigned int vtableIdx,

							ValveCallType vcalltype,

							const ValvePassInfo *retInfo,

							const ValvePassInfo *params,

							unsigned int numParams);

ValveCall *CreateValveCall(void *addr,

							ValveCallType vcalltype,

							const ValvePassInfo *retInfo,

							const ValvePassInfo *params,

							unsigned int numParams);

#endif //_INCLUDE_SOURCEMOD_VALVE_CALLER_H_