330 lines
9.3 KiB
C++
330 lines
9.3 KiB
C++
/**
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* vim: set ts=4 sw=4 tw=99 noet :
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* =============================================================================
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* SourceMod
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* Copyright (C) 2004-2010 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 "common_logic.h"
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#include <IHandleSys.h>
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#include <IDataPack.h>
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#include <ISourceMod.h>
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HandleType_t g_DataPackType;
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class DataPackNatives :
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public SMGlobalClass,
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public IHandleTypeDispatch
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{
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public:
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void OnSourceModAllInitialized()
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{
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HandleAccess hacc;
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TypeAccess tacc;
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handlesys->InitAccessDefaults(&tacc, &hacc);
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tacc.access[HTypeAccess_Create] = true;
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tacc.access[HTypeAccess_Inherit] = true;
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tacc.ident = g_pCoreIdent;
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hacc.access[HandleAccess_Read] = HANDLE_RESTRICT_OWNER;
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g_DataPackType = handlesys->CreateType("DataPack", this, 0, &tacc, &hacc, g_pCoreIdent, NULL);
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}
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void OnSourceModShutdown()
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{
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handlesys->RemoveType(g_DataPackType, g_pCoreIdent);
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g_DataPackType = 0;
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}
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void OnHandleDestroy(HandleType_t type, void *object)
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{
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g_pSM->FreeDataPack(reinterpret_cast<IDataPack *>(object));
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}
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};
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static cell_t smn_CreateDataPack(IPluginContext *pContext, const cell_t *params)
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{
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IDataPack *pDataPack = g_pSM->CreateDataPack();
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if (!pDataPack)
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{
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return 0;
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}
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return handlesys->CreateHandle(g_DataPackType, pDataPack, pContext->GetIdentity(), g_pCoreIdent, NULL);
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}
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static cell_t smn_WritePackCell(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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pDataPack->PackCell(params[2]);
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return 1;
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}
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static cell_t smn_WritePackFloat(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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pDataPack->PackFloat(sp_ctof(params[2]));
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return 1;
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}
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static cell_t smn_WritePackString(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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int err;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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char *str;
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if ((err=pContext->LocalToString(params[2], &str)) != SP_ERROR_NONE)
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{
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pContext->ThrowNativeErrorEx(err, NULL);
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return 0;
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}
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pDataPack->PackString(str);
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return 1;
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}
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static cell_t smn_ReadPackCell(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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if (!pDataPack->IsReadable(sizeof(size_t) + sizeof(cell_t)))
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{
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return pContext->ThrowNativeError("DataPack operation is out of bounds.");
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}
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return pDataPack->ReadCell();
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}
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static cell_t smn_ReadPackFloat(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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if (!pDataPack->IsReadable(sizeof(size_t) + sizeof(float)))
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{
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return pContext->ThrowNativeError("DataPack operation is out of bounds.");
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}
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return sp_ftoc(pDataPack->ReadFloat());
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}
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static cell_t smn_ReadPackString(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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const char *str;
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if (!(str=pDataPack->ReadString(NULL)))
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{
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return pContext->ThrowNativeError("DataPack operation is out of bounds.");
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}
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pContext->StringToLocal(params[2], params[3], str);
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return 1;
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}
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static cell_t smn_ResetPack(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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pDataPack->Reset();
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if (params[2])
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{
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pDataPack->ResetSize();
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}
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return 1;
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}
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static cell_t smn_GetPackPosition(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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return static_cast<cell_t>(pDataPack->GetPosition());
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}
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static cell_t smn_SetPackPosition(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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if (!pDataPack->SetPosition(params[2]))
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{
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return pContext->ThrowNativeError("Invalid DataPack position, %d is out of bounds", params[2]);
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}
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return 1;
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}
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static cell_t smn_IsPackReadable(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError herr;
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HandleSecurity sec;
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IDataPack *pDataPack;
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sec.pOwner = pContext->GetIdentity();
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sec.pIdentity = g_pCoreIdent;
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if ((herr=handlesys->ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
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!= HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
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}
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return pDataPack->IsReadable(params[2]) ? 1 : 0;
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}
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static DataPackNatives s_DataPackNatives;
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REGISTER_NATIVES(datapacknatives)
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{
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{"CreateDataPack", smn_CreateDataPack},
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{"WritePackCell", smn_WritePackCell},
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{"WritePackFloat", smn_WritePackFloat},
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{"WritePackString", smn_WritePackString},
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{"ReadPackCell", smn_ReadPackCell},
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{"ReadPackFloat", smn_ReadPackFloat},
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{"ReadPackString", smn_ReadPackString},
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{"ResetPack", smn_ResetPack},
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{"GetPackPosition", smn_GetPackPosition},
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{"SetPackPosition", smn_SetPackPosition},
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{"IsPackReadable", smn_IsPackReadable},
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{NULL, NULL}
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};
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