faluco@490: /**
dvander@600:  * vim: set ts=4 :
ds@1330:  * =============================================================================
dvander@1231:  * SourceMod
dvander@1231:  * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.
ds@1330:  * =============================================================================
dvander@600:  *
ds@1330:  * This program is free software; you can redistribute it and/or modify it under
ds@1330:  * the terms of the GNU General Public License, version 3.0, as published by the
ds@1330:  * Free Software Foundation.
dvander@1231:  * 
ds@1330:  * This program is distributed in the hope that it will be useful, but WITHOUT
ds@1330:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
ds@1330:  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
ds@1330:  * details.
dvander@1231:  *
ds@1330:  * You should have received a copy of the GNU General Public License along with
ds@1330:  * this program.  If not, see <http://www.gnu.org/licenses/>.
dvander@1231:  *
ds@1330:  * As a special exception, AlliedModders LLC gives you permission to link the
ds@1330:  * code of this program (as well as its derivative works) to "Half-Life 2," the
ds@1330:  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
ds@1330:  * by the Valve Corporation.  You must obey the GNU General Public License in
ds@1330:  * all respects for all other code used.  Additionally, AlliedModders LLC grants
ds@1330:  * this exception to all derivative works.  AlliedModders LLC defines further
ds@1330:  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
ds@1330:  * or <http://www.sourcemod.net/license.php>.
dvander@600:  *
dvander@600:  * Version: $Id$
dvander@600:  */
faluco@490: 
faluco@484: #include "sm_globals.h"
faluco@484: #include "HandleSys.h"
faluco@484: #include "CDataPack.h"
faluco@484: 
faluco@484: HandleType_t g_DataPackType;
faluco@484: 
faluco@484: class DataPackNatives : 
faluco@484: 	public SMGlobalClass,
faluco@484: 	public IHandleTypeDispatch
faluco@484: {
faluco@484: public:
faluco@484: 	void OnSourceModAllInitialized()
faluco@484: 	{
dvander@1191: 		HandleAccess hacc;
dvander@1191: 		TypeAccess tacc;
dvander@1191: 
dvander@1191: 		g_HandleSys.InitAccessDefaults(&tacc, &hacc);
dvander@1191: 		tacc.access[HTypeAccess_Create] = true;
dvander@1191: 		tacc.access[HTypeAccess_Inherit] = true;
dvander@1191: 		tacc.ident = g_pCoreIdent;
dvander@1191: 		hacc.access[HandleAccess_Read] = HANDLE_RESTRICT_OWNER;
dvander@1191: 
dvander@1191: 		g_DataPackType = g_HandleSys.CreateType("DataPack", this, 0, &tacc, &hacc, g_pCoreIdent, NULL);
faluco@484: 	}
faluco@484: 	void OnSourceModShutdown()
faluco@484: 	{
faluco@484: 		g_HandleSys.RemoveType(g_DataPackType, g_pCoreIdent);
faluco@484: 		g_DataPackType = 0;
faluco@484: 	}
faluco@484: 	void OnHandleDestroy(HandleType_t type, void *object)
faluco@484: 	{
faluco@484: 		g_SourceMod.FreeDataPack(reinterpret_cast<IDataPack *>(object));
faluco@484: 	}
faluco@484: };
faluco@484: 
faluco@484: static cell_t smn_CreateDataPack(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	IDataPack *pDataPack = g_SourceMod.CreateDataPack();
faluco@484: 
faluco@484: 	if (!pDataPack)
faluco@484: 	{
faluco@484: 		return 0;
faluco@484: 	}
faluco@484: 
faluco@484: 	return g_HandleSys.CreateHandle(g_DataPackType, pDataPack, pContext->GetIdentity(), g_pCoreIdent, NULL);
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_WritePackCell(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	pDataPack->PackCell(params[2]);
faluco@484: 
faluco@484: 	return 1;
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_WritePackFloat(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	pDataPack->PackFloat(sp_ctof(params[2]));
faluco@484: 
faluco@484: 	return 1;
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_WritePackString(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 	int err;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	char *str;
faluco@484: 	if ((err=pContext->LocalToString(params[2], &str)) != SP_ERROR_NONE)
faluco@484: 	{
faluco@484: 		pContext->ThrowNativeErrorEx(err, NULL);
faluco@484: 		return 0;
faluco@484: 	}
faluco@484: 
faluco@484: 	pDataPack->PackString(str);
faluco@484: 
faluco@484: 	return 1;
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_ReadPackCell(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@488: 	if (!pDataPack->IsReadable(sizeof(size_t) + sizeof(cell_t)))
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("DataPack operation is out of bounds.");
faluco@484: 	}
faluco@484: 
faluco@484: 	return pDataPack->ReadCell();
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_ReadPackFloat(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@488: 	if (!pDataPack->IsReadable(sizeof(size_t) + sizeof(float)))
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("DataPack operation is out of bounds.");
faluco@484: 	}
faluco@484: 
faluco@484: 	return sp_ftoc(pDataPack->ReadFloat());
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_ReadPackString(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	const char *str;
faluco@484: 	if (!(str=pDataPack->ReadString(NULL)))
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("DataPack operation is out of bounds.");
faluco@484: 	}
faluco@484: 
faluco@484: 	pContext->StringToLocal(params[2], params[3], str);
faluco@484: 
faluco@484: 	return 1;
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_ResetPack(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	pDataPack->Reset();
faluco@484: 	if (params[2])
faluco@484: 	{
faluco@484: 		pDataPack->ResetSize();
faluco@484: 	}
faluco@484: 
faluco@484: 	return 1;
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_GetPackPosition(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	return static_cast<cell_t>(pDataPack->GetPosition());
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_SetPackPosition(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	if (!pDataPack->SetPosition(params[2]))
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid DataPack position, %d is out of bounds", params[2]);
faluco@484: 	}
faluco@484: 
faluco@484: 	return 1;
faluco@484: }
faluco@484: 
faluco@484: static cell_t smn_IsPackReadable(IPluginContext *pContext, const cell_t *params)
faluco@484: {
faluco@484: 	Handle_t hndl = static_cast<Handle_t>(params[1]);
faluco@484: 	HandleError herr;
faluco@484: 	HandleSecurity sec;
faluco@484: 	IDataPack *pDataPack;
faluco@484: 
dvander@1193: 	sec.pOwner = pContext->GetIdentity();
faluco@484: 	sec.pIdentity = g_pCoreIdent;
faluco@484: 
faluco@484: 	if ((herr=g_HandleSys.ReadHandle(hndl, g_DataPackType, &sec, (void **)&pDataPack))
faluco@484: 		!= HandleError_None)
faluco@484: 	{
faluco@484: 		return pContext->ThrowNativeError("Invalid data pack handle %x (error %d)", hndl, herr);
faluco@484: 	}
faluco@484: 
faluco@484: 	return pDataPack->IsReadable(params[2]) ? 1 : 0;
faluco@484: }
faluco@484: 
faluco@484: static DataPackNatives s_DataPackNatives;
faluco@484: 
faluco@484: REGISTER_NATIVES(datapacknatives)
faluco@484: {
faluco@484: 	{"CreateDataPack",			smn_CreateDataPack},
faluco@484: 	{"WritePackCell",			smn_WritePackCell},
faluco@484: 	{"WritePackFloat",			smn_WritePackFloat},
faluco@484: 	{"WritePackString",			smn_WritePackString},
faluco@484: 	{"ReadPackCell",			smn_ReadPackCell},
faluco@484: 	{"ReadPackFloat",			smn_ReadPackFloat},
faluco@484: 	{"ReadPackString",			smn_ReadPackString},
faluco@484: 	{"ResetPack",				smn_ResetPack},
faluco@484: 	{"GetPackPosition",			smn_GetPackPosition},
faluco@484: 	{"SetPackPosition",			smn_SetPackPosition},
faluco@484: 	{"IsPackReadable",			smn_IsPackReadable},
faluco@484: 	{NULL,						NULL}
faluco@485: };