extensions/sdktools/vdecoder.cpp
author Scott Ehlert <ds@alliedmods.net>
Sun Mar 30 07:00:22 2008 +0000 (2008-03-30)
changeset 1952 b7aa2b626807
child 2289 44045ead61cd
permissions -rw-r--r--
Spring Cleaning, Part Ichi (1)
Various minor things done to project files
Updated sample extension project file and updated makefile to the new unified version (more changes likely on the way)
Updated regex project file and makefile
ds@1952
     1
/**
ds@1952
     2
 * vim: set ts=4 :
ds@1952
     3
 * =============================================================================
ds@1952
     4
 * SourceMod SDKTools Extension
ds@1952
     5
 * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
ds@1952
     6
 * =============================================================================
ds@1952
     7
 *
ds@1952
     8
 * This program is free software; you can redistribute it and/or modify it under
ds@1952
     9
 * the terms of the GNU General Public License, version 3.0, as published by the
ds@1952
    10
 * Free Software Foundation.
ds@1952
    11
 * 
ds@1952
    12
 * This program is distributed in the hope that it will be useful, but WITHOUT
ds@1952
    13
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
ds@1952
    14
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
ds@1952
    15
 * details.
ds@1952
    16
 *
ds@1952
    17
 * You should have received a copy of the GNU General Public License along with
ds@1952
    18
 * this program.  If not, see <http://www.gnu.org/licenses/>.
ds@1952
    19
 *
ds@1952
    20
 * As a special exception, AlliedModders LLC gives you permission to link the
ds@1952
    21
 * code of this program (as well as its derivative works) to "Half-Life 2," the
ds@1952
    22
 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
ds@1952
    23
 * by the Valve Corporation.  You must obey the GNU General Public License in
ds@1952
    24
 * all respects for all other code used.  Additionally, AlliedModders LLC grants
ds@1952
    25
 * this exception to all derivative works.  AlliedModders LLC defines further
ds@1952
    26
 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
ds@1952
    27
 * or <http://www.sourcemod.net/license.php>.
ds@1952
    28
 *
ds@1952
    29
 * Version: $Id$
ds@1952
    30
 */
ds@1952
    31
ds@1952
    32
#include "smsdk_ext.h"
ds@1952
    33
#include "extension.h"
ds@1952
    34
#include "vdecoder.h"
ds@1952
    35
#include "vcallbuilder.h"
ds@1952
    36
ds@1952
    37
using namespace SourceMod;
ds@1952
    38
using namespace SourcePawn;
ds@1952
    39
ds@1952
    40
/**
ds@1952
    41
 * For object pointers, the data looks like this instead:
ds@1952
    42
 * 4 bytes: POINTER TO LATER
ds@1952
    43
 * + bytes: Object internal data
ds@1952
    44
 *
ds@1952
    45
 * We use the virtual stack as extra fake stack space and create a temp object.
ds@1952
    46
 * If these objects had destructors, we'd need to fake destroy toom of course.
ds@1952
    47
 * Of course, BinTools only reads the first four bytes and passes the pointer.
ds@1952
    48
 */
ds@1952
    49
ds@1952
    50
size_t ValveParamToBinParam(ValveType type, 
ds@1952
    51
						  PassType pass,
ds@1952
    52
						  unsigned int flags,
ds@1952
    53
						  PassInfo *info,
ds@1952
    54
						  bool &needs_extra)
ds@1952
    55
{
ds@1952
    56
	needs_extra = false;
ds@1952
    57
	switch (type)
ds@1952
    58
	{
ds@1952
    59
	case Valve_Vector:
ds@1952
    60
		{
ds@1952
    61
			size_t mySize = sizeof(Vector *);
ds@1952
    62
			if (pass == PassType_Basic)
ds@1952
    63
			{
ds@1952
    64
				if (flags & PASSFLAG_BYREF)
ds@1952
    65
				{
ds@1952
    66
					return 0;
ds@1952
    67
				}
ds@1952
    68
				info->type = PassType_Basic;
ds@1952
    69
				info->flags = flags;
ds@1952
    70
				info->size = sizeof(Vector *);
ds@1952
    71
				mySize = sizeof(Vector);
ds@1952
    72
				needs_extra = true;
ds@1952
    73
			} else if (pass == PassType_Object) {
ds@1952
    74
				info->type = PassType_Object;
ds@1952
    75
				info->flags = flags | PASSFLAG_OASSIGNOP | PASSFLAG_OCTOR;
ds@1952
    76
				info->size = sizeof(Vector);
ds@1952
    77
			} else {
ds@1952
    78
				return 0;
ds@1952
    79
			}
ds@1952
    80
			return mySize;
ds@1952
    81
		}
ds@1952
    82
	case Valve_QAngle:
ds@1952
    83
		{
ds@1952
    84
			size_t mySize = sizeof(QAngle *);
ds@1952
    85
			if (pass == PassType_Basic)
ds@1952
    86
			{
ds@1952
    87
				if (flags & PASSFLAG_BYREF)
ds@1952
    88
				{
ds@1952
    89
					return 0;
ds@1952
    90
				}
ds@1952
    91
				info->type = PassType_Basic;
ds@1952
    92
				info->flags = flags;
ds@1952
    93
				info->size = sizeof(QAngle *);
ds@1952
    94
				mySize = sizeof(QAngle);
ds@1952
    95
				needs_extra = true;
ds@1952
    96
			} else if (pass == PassType_Object) {
ds@1952
    97
				info->type = PassType_Object;
ds@1952
    98
				info->flags = flags | PASSFLAG_OASSIGNOP | PASSFLAG_OCTOR;
ds@1952
    99
				info->size = sizeof(QAngle);
ds@1952
   100
			} else {
ds@1952
   101
				return 0;
ds@1952
   102
			}
ds@1952
   103
			return mySize;
ds@1952
   104
		}
ds@1952
   105
	case Valve_CBaseEntity:
ds@1952
   106
	case Valve_CBasePlayer:
ds@1952
   107
	case Valve_Edict:
ds@1952
   108
	case Valve_String:
ds@1952
   109
		{
ds@1952
   110
			if (pass != PassType_Basic || (flags & PASSFLAG_BYREF))
ds@1952
   111
			{
ds@1952
   112
				return 0;
ds@1952
   113
			}
ds@1952
   114
			info->type = PassType_Basic;
ds@1952
   115
			info->flags = flags;
ds@1952
   116
			info->size = sizeof(void *);
ds@1952
   117
			return sizeof(void *);
ds@1952
   118
		}
ds@1952
   119
	case Valve_POD:
ds@1952
   120
		{
ds@1952
   121
			info->type = PassType_Basic;
ds@1952
   122
			info->flags = flags;
ds@1952
   123
			if (flags & PASSFLAG_ASPOINTER)
ds@1952
   124
			{
ds@1952
   125
				needs_extra = true;
ds@1952
   126
				info->size = sizeof(int *);
ds@1952
   127
				return sizeof(int *) + sizeof(int);
ds@1952
   128
			} else {
ds@1952
   129
				info->size = sizeof(int);
ds@1952
   130
				return sizeof(int);
ds@1952
   131
			}
ds@1952
   132
		}
ds@1952
   133
	case Valve_Bool:
ds@1952
   134
		{
ds@1952
   135
			info->type = PassType_Basic;
ds@1952
   136
			info->flags = flags;
ds@1952
   137
			if (flags & PASSFLAG_ASPOINTER)
ds@1952
   138
			{
ds@1952
   139
				needs_extra = true;
ds@1952
   140
				info->size = sizeof(bool *);
ds@1952
   141
				return sizeof(bool *) + sizeof(bool);
ds@1952
   142
			} else {
ds@1952
   143
				info->size = sizeof(bool);
ds@1952
   144
				return sizeof(bool);
ds@1952
   145
			}
ds@1952
   146
		}
ds@1952
   147
	case Valve_Float:
ds@1952
   148
		{
ds@1952
   149
			info->flags = flags;
ds@1952
   150
			if (flags & PASSFLAG_ASPOINTER)
ds@1952
   151
			{
ds@1952
   152
				needs_extra = true;
ds@1952
   153
				info->type = PassType_Basic;
ds@1952
   154
				info->size = sizeof(float *);
ds@1952
   155
				return sizeof(float *) + sizeof(float);
ds@1952
   156
			} else {
ds@1952
   157
				info->type = PassType_Float;
ds@1952
   158
				info->size = sizeof(float);
ds@1952
   159
				return sizeof(float);
ds@1952
   160
			}
ds@1952
   161
		}
ds@1952
   162
	}
ds@1952
   163
ds@1952
   164
	return 0;
ds@1952
   165
}
ds@1952
   166
ds@1952
   167
DataStatus EncodeValveParam(IPluginContext *pContext,
ds@1952
   168
							cell_t param, 
ds@1952
   169
							const ValveCall *pCall,
ds@1952
   170
							const ValvePassInfo *data,
ds@1952
   171
							const void *_buffer)
ds@1952
   172
{
ds@1952
   173
	const void *buffer = (const unsigned char *)_buffer + data->offset;
ds@1952
   174
	switch (data->vtype)
ds@1952
   175
	{
ds@1952
   176
	case Valve_Vector:
ds@1952
   177
		{
ds@1952
   178
			Vector *v = NULL;
ds@1952
   179
ds@1952
   180
			if (data->type == PassType_Basic)
ds@1952
   181
			{
ds@1952
   182
				v = *(Vector **)buffer;
ds@1952
   183
			} else if (data->type == PassType_Object) {
ds@1952
   184
				v = (Vector *)buffer;
ds@1952
   185
			}
ds@1952
   186
ds@1952
   187
			cell_t *addr;
ds@1952
   188
			pContext->LocalToPhysAddr(param, &addr);
ds@1952
   189
ds@1952
   190
			addr[0] = sp_ftoc(v->x);
ds@1952
   191
			addr[1] = sp_ftoc(v->y);
ds@1952
   192
			addr[2] = sp_ftoc(v->z);
ds@1952
   193
ds@1952
   194
			return Data_Okay;
ds@1952
   195
		}
ds@1952
   196
	case Valve_QAngle:
ds@1952
   197
		{
ds@1952
   198
			QAngle *q = NULL;
ds@1952
   199
ds@1952
   200
			if (data->type == PassType_Basic)
ds@1952
   201
			{
ds@1952
   202
				q = *(QAngle **)buffer;
ds@1952
   203
			} else if (data->type == PassType_Object) {
ds@1952
   204
				q = (QAngle *)buffer;
ds@1952
   205
			}
ds@1952
   206
ds@1952
   207
			cell_t *addr;
ds@1952
   208
			pContext->LocalToPhysAddr(param, &addr);
ds@1952
   209
ds@1952
   210
			addr[0] = sp_ftoc(q->x);
ds@1952
   211
			addr[1] = sp_ftoc(q->y);
ds@1952
   212
			addr[2] = sp_ftoc(q->z);
ds@1952
   213
ds@1952
   214
			return Data_Okay;
ds@1952
   215
		}
ds@1952
   216
	case Valve_CBaseEntity:
ds@1952
   217
	case Valve_CBasePlayer:
ds@1952
   218
		{
ds@1952
   219
			cell_t *addr;
ds@1952
   220
			pContext->LocalToPhysAddr(param, &addr);
ds@1952
   221
ds@1952
   222
			CBaseEntity *pEntity = *(CBaseEntity **)buffer;
ds@1952
   223
			if (pEntity)
ds@1952
   224
			{
ds@1952
   225
				edict_t *pEdict = gameents->BaseEntityToEdict(pEntity);
ds@1952
   226
				*addr = engine->IndexOfEdict(pEdict);
ds@1952
   227
			} else {
ds@1952
   228
				*addr = -1;
ds@1952
   229
			}
ds@1952
   230
ds@1952
   231
			return Data_Okay;
ds@1952
   232
		}
ds@1952
   233
	case Valve_Edict:
ds@1952
   234
		{
ds@1952
   235
			cell_t *addr;
ds@1952
   236
			pContext->LocalToPhysAddr(param, &addr);
ds@1952
   237
ds@1952
   238
			edict_t *pEdict = *(edict_t **)buffer;
ds@1952
   239
			if (pEdict)
ds@1952
   240
			{
ds@1952
   241
				*addr = engine->IndexOfEdict(pEdict);
ds@1952
   242
			} else {
ds@1952
   243
				*addr = -1;
ds@1952
   244
			}
ds@1952
   245
ds@1952
   246
			return Data_Okay;
ds@1952
   247
		}
ds@1952
   248
	case Valve_POD:
ds@1952
   249
	case Valve_Float:
ds@1952
   250
		{
ds@1952
   251
			cell_t *addr;
ds@1952
   252
			pContext->LocalToPhysAddr(param, &addr);
ds@1952
   253
ds@1952
   254
			if (data->flags & PASSFLAG_ASPOINTER)
ds@1952
   255
			{
ds@1952
   256
				buffer = *(cell_t **)buffer;
ds@1952
   257
			}
ds@1952
   258
ds@1952
   259
			*addr = *(cell_t *)buffer;
ds@1952
   260
ds@1952
   261
			return Data_Okay;
ds@1952
   262
		}
ds@1952
   263
	case Valve_Bool:
ds@1952
   264
		{
ds@1952
   265
			cell_t *addr;
ds@1952
   266
			pContext->LocalToPhysAddr(param, &addr);
ds@1952
   267
ds@1952
   268
			if (data->flags & PASSFLAG_ASPOINTER)
ds@1952
   269
			{
ds@1952
   270
				buffer = *(bool **)buffer;
ds@1952
   271
			}
ds@1952
   272
ds@1952
   273
			*addr = *(bool *)buffer ? 1 : 0;
ds@1952
   274
ds@1952
   275
			return Data_Okay;
ds@1952
   276
		}
ds@1952
   277
	}
ds@1952
   278
ds@1952
   279
	return Data_Fail;
ds@1952
   280
}
ds@1952
   281
ds@1952
   282
DataStatus DecodeValveParam(IPluginContext *pContext,
ds@1952
   283
					  cell_t param,
ds@1952
   284
					  const ValveCall *pCall,
ds@1952
   285
					  const ValvePassInfo *data,
ds@1952
   286
					  void *_buffer)
ds@1952
   287
{
ds@1952
   288
	void *buffer = (unsigned char *)_buffer + data->offset;
ds@1952
   289
	switch (data->vtype)
ds@1952
   290
	{
ds@1952
   291
	case Valve_Vector:
ds@1952
   292
		{
ds@1952
   293
			cell_t *addr;
ds@1952
   294
			int err;
ds@1952
   295
			err = pContext->LocalToPhysAddr(param, &addr);
ds@1952
   296
ds@1952
   297
			unsigned char *mem = (unsigned char *)buffer;
ds@1952
   298
			if (data->type == PassType_Basic)
ds@1952
   299
			{
ds@1952
   300
				/* Store the object in the next N bytes, and store
ds@1952
   301
				 * a pointer to that object right beforehand.
ds@1952
   302
				 */
ds@1952
   303
				Vector **realPtr = (Vector **)buffer;
ds@1952
   304
ds@1952
   305
				if (addr == pContext->GetNullRef(SP_NULL_VECTOR))
ds@1952
   306
				{
ds@1952
   307
					if (data->decflags & VDECODE_FLAG_ALLOWNULL)
ds@1952
   308
					{
ds@1952
   309
						*realPtr = NULL;
ds@1952
   310
						return Data_Okay;
ds@1952
   311
					} else {
ds@1952
   312
						pContext->ThrowNativeError("NULL not allowed");
ds@1952
   313
						return Data_Fail;
ds@1952
   314
					}
ds@1952
   315
				} else {
ds@1952
   316
					mem = (unsigned char *)_buffer + pCall->stackEnd + data->obj_offset;
ds@1952
   317
					*realPtr = (Vector *)mem;
ds@1952
   318
				}
ds@1952
   319
			}
ds@1952
   320
ds@1952
   321
			if (err != SP_ERROR_NONE)
ds@1952
   322
			{
ds@1952
   323
				pContext->ThrowNativeErrorEx(err, "Could not read plugin data");
ds@1952
   324
				return Data_Fail;
ds@1952
   325
			}
ds@1952
   326
ds@1952
   327
			/* Use placement new to initialize the object cleanly
ds@1952
   328
			 * This has no destructor so we don't need to do 
ds@1952
   329
			 * DestroyValveParam() or something :]
ds@1952
   330
			 */
ds@1952
   331
			Vector *v = new (mem) Vector(
ds@1952
   332
				sp_ctof(addr[0]),
ds@1952
   333
				sp_ctof(addr[1]),
ds@1952
   334
				sp_ctof(addr[2]));
ds@1952
   335
ds@1952
   336
			return Data_Okay;
ds@1952
   337
		}
ds@1952
   338
	case Valve_QAngle:
ds@1952
   339
		{
ds@1952
   340
			cell_t *addr;
ds@1952
   341
			int err;
ds@1952
   342
			err = pContext->LocalToPhysAddr(param, &addr);
ds@1952
   343
ds@1952
   344
			unsigned char *mem = (unsigned char *)buffer;
ds@1952
   345
			if (data->type == PassType_Basic)
ds@1952
   346
			{
ds@1952
   347
				/* Store the object in the next N bytes, and store
ds@1952
   348
				 * a pointer to that object right beforehand.
ds@1952
   349
				 */
ds@1952
   350
				QAngle **realPtr = (QAngle **)buffer;
ds@1952
   351
ds@1952
   352
				if (addr == pContext->GetNullRef(SP_NULL_VECTOR))
ds@1952
   353
				{
ds@1952
   354
					if (!(data->decflags & VDECODE_FLAG_ALLOWNULL))
ds@1952
   355
					{
ds@1952
   356
						pContext->ThrowNativeError("NULL not allowed");
ds@1952
   357
						return Data_Fail;
ds@1952
   358
					} else {
ds@1952
   359
						*realPtr = NULL;
ds@1952
   360
						return Data_Okay;
ds@1952
   361
					}
ds@1952
   362
				} else {
ds@1952
   363
					mem = (unsigned char *)_buffer + pCall->stackEnd + data->obj_offset;
ds@1952
   364
					*realPtr = (QAngle *)mem;
ds@1952
   365
				}
ds@1952
   366
			}
ds@1952
   367
ds@1952
   368
			if (err != SP_ERROR_NONE)
ds@1952
   369
			{
ds@1952
   370
				pContext->ThrowNativeErrorEx(err, "Could not read plugin data");
ds@1952
   371
				return Data_Fail;
ds@1952
   372
			}
ds@1952
   373
ds@1952
   374
			/* Use placement new to initialize the object cleanly
ds@1952
   375
			 * This has no destructor so we don't need to do 
ds@1952
   376
			 * DestroyValveParam() or something :]
ds@1952
   377
			 */
ds@1952
   378
			QAngle *v = new (mem) QAngle(
ds@1952
   379
				sp_ctof(addr[0]),
ds@1952
   380
				sp_ctof(addr[1]),
ds@1952
   381
				sp_ctof(addr[2]));
ds@1952
   382
ds@1952
   383
			return Data_Okay;
ds@1952
   384
		}
ds@1952
   385
	case Valve_CBasePlayer:
ds@1952
   386
		{
ds@1952
   387
			edict_t *pEdict;
ds@1952
   388
			if (data->decflags & VDECODE_FLAG_BYREF)
ds@1952
   389
			{
ds@1952
   390
				cell_t *addr;
ds@1952
   391
				pContext->LocalToPhysAddr(param, &addr);
ds@1952
   392
				param = *addr;
ds@1952
   393
			}
ds@1952
   394
			if (param >= 1 && param <= playerhelpers->GetMaxClients())
ds@1952
   395
			{
ds@1952
   396
				IGamePlayer *player = playerhelpers->GetGamePlayer(param);
ds@1952
   397
				if ((data->decflags & VDECODE_FLAG_ALLOWNOTINGAME)
ds@1952
   398
					&& !player->IsConnected())
ds@1952
   399
				{
ds@1952
   400
					pContext->ThrowNativeError("Client %d is not connected", param);
ds@1952
   401
					return Data_Fail;
ds@1952
   402
				} else if (!player->IsInGame()) {
ds@1952
   403
					pContext->ThrowNativeError("Client %d is not in game", param);
ds@1952
   404
					return Data_Fail;
ds@1952
   405
				}
ds@1952
   406
				pEdict = player->GetEdict();
ds@1952
   407
			} else if (param == -1) {
ds@1952
   408
				if (data->decflags & VDECODE_FLAG_ALLOWNULL)
ds@1952
   409
				{
ds@1952
   410
					pEdict = NULL;
ds@1952
   411
				} else {
ds@1952
   412
					pContext->ThrowNativeError("NULL not allowed");
ds@1952
   413
					return Data_Fail;
ds@1952
   414
				}
ds@1952
   415
			} else if (param == 0) {
ds@1952
   416
				if (data->decflags & VDECODE_FLAG_ALLOWWORLD)
ds@1952
   417
				{
ds@1952
   418
					pEdict = engine->PEntityOfEntIndex(0);
ds@1952
   419
				} else {
ds@1952
   420
					pContext->ThrowNativeError("World not allowed");
ds@1952
   421
					return Data_Fail;
ds@1952
   422
				}
ds@1952
   423
			} else {
ds@1952
   424
				pContext->ThrowNativeError("Entity index %d is not a valid client", param);
ds@1952
   425
				return Data_Fail;
ds@1952
   426
			}
ds@1952
   427
			CBaseEntity *pEntity = NULL;
ds@1952
   428
			if (pEdict)
ds@1952
   429
			{
ds@1952
   430
				IServerUnknown *pUnknown = pEdict->GetUnknown();
ds@1952
   431
				if (!pUnknown)
ds@1952
   432
				{
ds@1952
   433
					pContext->ThrowNativeError("Entity %d is a not an IServerUnknown", param);
ds@1952
   434
					return Data_Fail;
ds@1952
   435
				}
ds@1952
   436
				pEntity = pUnknown->GetBaseEntity();
ds@1952
   437
				if (!pEntity)
ds@1952
   438
				{
ds@1952
   439
					pContext->ThrowNativeError("Entity %d is not a CBaseEntity", param);
ds@1952
   440
					return Data_Fail;
ds@1952
   441
				}
ds@1952
   442
			}
ds@1952
   443
ds@1952
   444
			CBaseEntity **ebuf = (CBaseEntity **)buffer;
ds@1952
   445
			*ebuf = pEntity;
ds@1952
   446
ds@1952
   447
			return Data_Okay;
ds@1952
   448
		}
ds@1952
   449
	case Valve_CBaseEntity:
ds@1952
   450
		{
ds@1952
   451
			edict_t *pEdict;
ds@1952
   452
			if (data->decflags & VDECODE_FLAG_BYREF)
ds@1952
   453
			{
ds@1952
   454
				cell_t *addr;
ds@1952
   455
				pContext->LocalToPhysAddr(param, &addr);
ds@1952
   456
				param = *addr;
ds@1952
   457
			}
ds@1952
   458
			if (param >= 1 && param <= playerhelpers->GetMaxClients())
ds@1952
   459
			{
ds@1952
   460
				IGamePlayer *player = playerhelpers->GetGamePlayer(param);
ds@1952
   461
				if ((data->decflags & VDECODE_FLAG_ALLOWNOTINGAME)
ds@1952
   462
					&& !player->IsConnected())
ds@1952
   463
				{
ds@1952
   464
					pContext->ThrowNativeError("Client %d is not connected", param);
ds@1952
   465
					return Data_Fail;
ds@1952
   466
				} else if (!player->IsInGame()) {
ds@1952
   467
					pContext->ThrowNativeError("Client %d is not in game", param);
ds@1952
   468
					return Data_Fail;
ds@1952
   469
				}
ds@1952
   470
				pEdict = player->GetEdict();
ds@1952
   471
			} else if (param == -1) {
ds@1952
   472
				if (data->decflags & VDECODE_FLAG_ALLOWNULL)
ds@1952
   473
				{
ds@1952
   474
					pEdict = NULL;
ds@1952
   475
				} else {
ds@1952
   476
					pContext->ThrowNativeError("NULL not allowed");
ds@1952
   477
					return Data_Fail;
ds@1952
   478
				}
ds@1952
   479
			} else if (param == 0) {
ds@1952
   480
				if (data->decflags & VDECODE_FLAG_ALLOWWORLD)
ds@1952
   481
				{
ds@1952
   482
					pEdict = engine->PEntityOfEntIndex(0);
ds@1952
   483
				} else {
ds@1952
   484
					pContext->ThrowNativeError("World not allowed");
ds@1952
   485
					return Data_Fail;
ds@1952
   486
				}
ds@1952
   487
			} else {
ds@1952
   488
				pEdict = engine->PEntityOfEntIndex(param);
ds@1952
   489
				if (!pEdict || pEdict->IsFree())
ds@1952
   490
				{
ds@1952
   491
					pContext->ThrowNativeError("Entity %d is not valid or is freed", param);
ds@1952
   492
					return Data_Fail;
ds@1952
   493
				}
ds@1952
   494
			}
ds@1952
   495
			CBaseEntity *pEntity = NULL;
ds@1952
   496
			if (pEdict)
ds@1952
   497
			{
ds@1952
   498
				IServerUnknown *pUnknown = pEdict->GetUnknown();
ds@1952
   499
				if (!pUnknown)
ds@1952
   500
				{
ds@1952
   501
					pContext->ThrowNativeError("Entity %d is a not an IServerUnknown", param);
ds@1952
   502
					return Data_Fail;
ds@1952
   503
				}
ds@1952
   504
				pEntity = pUnknown->GetBaseEntity();
ds@1952
   505
				if (!pEntity)
ds@1952
   506
				{
ds@1952
   507
					pContext->ThrowNativeError("Entity %d is not a CBaseEntity", param);
ds@1952
   508
					return Data_Fail;
ds@1952
   509
				}
ds@1952
   510
			}
ds@1952
   511
ds@1952
   512
			CBaseEntity **ebuf = (CBaseEntity **)buffer;
ds@1952
   513
			*ebuf = pEntity;
ds@1952
   514
ds@1952
   515
			return Data_Okay;
ds@1952
   516
		}
ds@1952
   517
	case Valve_Edict:
ds@1952
   518
		{
ds@1952
   519
			edict_t *pEdict;
ds@1952
   520
			if (data->decflags & VDECODE_FLAG_BYREF)
ds@1952
   521
			{
ds@1952
   522
				cell_t *addr;
ds@1952
   523
				pContext->LocalToPhysAddr(param, &addr);
ds@1952
   524
				param = *addr;
ds@1952
   525
			}
ds@1952
   526
			if (param >= 1 && param <= playerhelpers->GetMaxClients())
ds@1952
   527
			{
ds@1952
   528
				IGamePlayer *player = playerhelpers->GetGamePlayer(param);
ds@1952
   529
				if ((data->decflags & VDECODE_FLAG_ALLOWNOTINGAME)
ds@1952
   530
					&& !player->IsConnected())
ds@1952
   531
				{
ds@1952
   532
					pContext->ThrowNativeError("Client %d is not connected", param);
ds@1952
   533
					return Data_Fail;
ds@1952
   534
				} else if (!player->IsInGame()) {
ds@1952
   535
					pContext->ThrowNativeError("Client %d is not in game", param);
ds@1952
   536
					return Data_Fail;
ds@1952
   537
				}
ds@1952
   538
				pEdict = player->GetEdict();
ds@1952
   539
			} else if (param == -1) {
ds@1952
   540
				if (data->decflags & VDECODE_FLAG_ALLOWNULL)
ds@1952
   541
				{
ds@1952
   542
					pEdict = NULL;
ds@1952
   543
				} else {
ds@1952
   544
					pContext->ThrowNativeError("NULL not allowed");
ds@1952
   545
					return Data_Fail;
ds@1952
   546
				}
ds@1952
   547
			} else if (param == 0) {
ds@1952
   548
				if (data->decflags & VDECODE_FLAG_ALLOWWORLD)
ds@1952
   549
				{
ds@1952
   550
					pEdict = engine->PEntityOfEntIndex(0);
ds@1952
   551
				} else {
ds@1952
   552
					pContext->ThrowNativeError("World not allowed");
ds@1952
   553
					return Data_Fail;
ds@1952
   554
				}
ds@1952
   555
			} else {
ds@1952
   556
				pEdict = engine->PEntityOfEntIndex(param);
ds@1952
   557
				if (!pEdict || pEdict->IsFree())
ds@1952
   558
				{
ds@1952
   559
					pContext->ThrowNativeError("Entity %d is not valid or is freed", param);
ds@1952
   560
					return Data_Fail;
ds@1952
   561
				}
ds@1952
   562
			}
ds@1952
   563
ds@1952
   564
			edict_t **ebuf = (edict_t **)buffer;
ds@1952
   565
			*ebuf = pEdict;
ds@1952
   566
ds@1952
   567
			return Data_Okay;
ds@1952
   568
		}
ds@1952
   569
	case Valve_POD:
ds@1952
   570
	case Valve_Float:
ds@1952
   571
		{
ds@1952
   572
			if (data->decflags & VDECODE_FLAG_BYREF)
ds@1952
   573
			{
ds@1952
   574
				cell_t *addr;
ds@1952
   575
				pContext->LocalToPhysAddr(param, &addr);
ds@1952
   576
				param = *addr;
ds@1952
   577
			}
ds@1952
   578
			if (data->flags & PASSFLAG_ASPOINTER)
ds@1952
   579
			{
ds@1952
   580
				*(void **)buffer = (unsigned char *)_buffer + pCall->stackEnd + data->obj_offset;
ds@1952
   581
				buffer = *(void **)buffer;
ds@1952
   582
			}
ds@1952
   583
			*(cell_t *)buffer = param;
ds@1952
   584
			return Data_Okay;
ds@1952
   585
		}
ds@1952
   586
	case Valve_Bool:
ds@1952
   587
		{
ds@1952
   588
			if (data->decflags & VDECODE_FLAG_BYREF)
ds@1952
   589
			{
ds@1952
   590
				cell_t *addr;
ds@1952
   591
				pContext->LocalToPhysAddr(param, &addr);
ds@1952
   592
				param = *addr;
ds@1952
   593
			}
ds@1952
   594
			if (data->flags & PASSFLAG_ASPOINTER)
ds@1952
   595
			{
ds@1952
   596
				*(bool **)buffer = (bool *)((unsigned char *)_buffer + pCall->stackEnd + data->obj_offset);
ds@1952
   597
				buffer = *(bool **)buffer;
ds@1952
   598
			}
ds@1952
   599
			*(bool *)buffer = param ? true : false;
ds@1952
   600
			return Data_Okay;
ds@1952
   601
		}
ds@1952
   602
	case Valve_String:
ds@1952
   603
		{
ds@1952
   604
			char *addr;
ds@1952
   605
			pContext->LocalToString(param, &addr);
ds@1952
   606
			*(char **)buffer = addr;
ds@1952
   607
			return Data_Okay;
ds@1952
   608
		}
ds@1952
   609
	}
ds@1952
   610
ds@1952
   611
	return Data_Fail;
ds@1952
   612
}