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80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod DHooks Extension
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* Copyright (C) 2019 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#include "util.h"
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void * GetObjectAddr(HookParamType type, unsigned int flags, void **params, size_t offset)
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{
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#ifdef WIN32
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if (type == HookParamType_Object)
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return (void *)((intptr_t)params + offset);
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#elif POSIX
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if (type == HookParamType_Object && !(flags & PASSFLAG_ODTOR)) //Objects are passed by rrefrence if they contain destructors.
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return (void *)((intptr_t)params + offset);
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#endif
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return *(void **)((intptr_t)params + offset);
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}
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size_t GetParamOffset(HookParamsStruct *paramStruct, unsigned int index)
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{
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size_t offset = 0;
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for (unsigned int i = 0; i < index; i++)
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{
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#ifndef WIN32
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if (paramStruct->dg->params.at(i).type == HookParamType_Object && (paramStruct->dg->params.at(i).flags & PASSFLAG_ODTOR)) //Passed by refrence
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{
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offset += sizeof(void *);
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continue;
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}
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#endif
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offset += paramStruct->dg->params.at(i).size;
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}
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return offset;
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}
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size_t GetParamTypeSize(HookParamType type)
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{
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return sizeof(void *);
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}
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size_t GetParamsSize(DHooksCallback *dg)//Get the full size, this is for creating the STACK.
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{
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size_t res = 0;
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for (int i = dg->params.size() - 1; i >= 0; i--)
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{
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res += dg->params.at(i).size;
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}
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return res;
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}
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