Files @ r13023:9f6499c8d4fb
Branch filter:

Location: cpp/openttd-patchpack/source/src/network/network_client.cpp

rubidium
(svn r17531) -Fix: wrong @file for ai_basestation.hpp
   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
/* $Id$ */

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file network_client.cpp Client part of the network protocol. */

#ifdef ENABLE_NETWORK

#include "../stdafx.h"
#include "../debug.h"
#include "../openttd.h"
#include "../gfx_func.h"
#include "network_internal.h"
#include "network_gui.h"
#include "../saveload/saveload.h"
#include "../command_func.h"
#include "../console_func.h"
#include "../fileio_func.h"
#include "../3rdparty/md5/md5.h"
#include "../strings_func.h"
#include "../window_func.h"
#include "../string_func.h"
#include "../company_func.h"
#include "../company_base.h"
#include "../company_gui.h"
#include "../settings_type.h"
#include "../rev.h"

#include "table/strings.h"

/* This file handles all the client-commands */


/* So we don't make too much typos ;) */
#define MY_CLIENT NetworkClientSocket::Get(0)

static uint32 last_ack_frame;

/** One bit of 'entropy' used to generate a salt for the company passwords. */
static uint32 _password_game_seed;
/** The other bit of 'entropy' used to generate a salt for the company passwords. */
static char _password_server_unique_id[NETWORK_UNIQUE_ID_LENGTH];

/** Maximum number of companies of the currently joined server. */
static uint8 _network_server_max_companies;
/** Maximum number of spectators of the currently joined server. */
static uint8 _network_server_max_spectators;

/** Who would we like to join as. */
CompanyID _network_join_as;

/** Login password from -p argument */
const char *_network_join_server_password = NULL;
/** Company password from -P argument */
const char *_network_join_company_password = NULL;

/** Make sure the unique ID length is the same as a md5 hash. */
assert_compile(NETWORK_UNIQUE_ID_LENGTH == 16 * 2 + 1);

/**
 * Generates a hashed password for the company name.
 * @param password the password to 'encrypt'.
 * @return the hashed password.
 */
static const char *GenerateCompanyPasswordHash(const char *password)
{
	if (StrEmpty(password)) return password;

	char salted_password[NETWORK_UNIQUE_ID_LENGTH];

	memset(salted_password, 0, sizeof(salted_password));
	snprintf(salted_password, sizeof(salted_password), "%s", password);
	/* Add the game seed and the server's unique ID as the salt. */
	for (uint i = 0; i < NETWORK_UNIQUE_ID_LENGTH - 1; i++) salted_password[i] ^= _password_server_unique_id[i] ^ (_password_game_seed >> i);

	Md5 checksum;
	uint8 digest[16];
	static char hashed_password[NETWORK_UNIQUE_ID_LENGTH];

	/* Generate the MD5 hash */
	checksum.Append((const uint8*)salted_password, sizeof(salted_password) - 1);
	checksum.Finish(digest);

	for (int di = 0; di < 16; di++) sprintf(hashed_password + di * 2, "%02x", digest[di]);
	hashed_password[lengthof(hashed_password) - 1] = '\0';

	return hashed_password;
}

/**
 * Hash the current company password; used when the server 'company' sets his/her password.
 */
void HashCurrentCompanyPassword(const char *password)
{
	_password_game_seed = _settings_game.game_creation.generation_seed;
	strecpy(_password_server_unique_id, _settings_client.network.network_id, lastof(_password_server_unique_id));

	const char *new_pw = GenerateCompanyPasswordHash(password);
	strecpy(_network_company_states[_local_company].password, new_pw, lastof(_network_company_states[_local_company].password));

	if (_network_server) {
		NetworkServerUpdateCompanyPassworded(_local_company, !StrEmpty(_network_company_states[_local_company].password));
	}
}


/***********
 * Sending functions
 *   DEF_CLIENT_SEND_COMMAND has no parameters
 ************/

DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_COMPANY_INFO)
{
	/*
	 * Packet: CLIENT_COMPANY_INFO
	 * Function: Request company-info (in detail)
	 * Data:
	 *    <none>
	 */
	Packet *p;
	_network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
	InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);

	p = NetworkSend_Init(PACKET_CLIENT_COMPANY_INFO);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
{
	/*
	 * Packet: CLIENT_JOIN
	 * Function: Try to join the server
	 * Data:
	 *    String: OpenTTD Revision (norev000 if no revision)
	 *    String: Client Name (max NETWORK_NAME_LENGTH)
	 *    uint8:  Play as Company id (1..MAX_COMPANIES)
	 *    uint8:  Language ID
	 *    String: Unique id to find the client back in server-listing
	 */

	Packet *p;
	_network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
	InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);

	p = NetworkSend_Init(PACKET_CLIENT_JOIN);
	p->Send_string(_openttd_revision);
	p->Send_string(_settings_client.network.client_name); // Client name
	p->Send_uint8 (_network_join_as);     // PlayAs
	p->Send_uint8 (NETLANG_ANY);          // Language
	p->Send_string(_settings_client.network.network_id);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
{
	/*
	 * Packet: CLIENT_NEWGRFS_CHECKED
	 * Function: Tell the server that we have the required GRFs
	 * Data:
	 */

	Packet *p = NetworkSend_Init(PACKET_CLIENT_NEWGRFS_CHECKED);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_PASSWORD)(NetworkPasswordType type, const char *password)
{
	/*
	 * Packet: CLIENT_PASSWORD
	 * Function: Send a password to the server to authorize
	 * Data:
	 *    uint8:  NetworkPasswordType
	 *    String: Password
	 */
	Packet *p = NetworkSend_Init(PACKET_CLIENT_PASSWORD);
	p->Send_uint8 (type);
	p->Send_string(type == NETWORK_GAME_PASSWORD ? password : GenerateCompanyPasswordHash(password));
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
{
	/*
	 * Packet: CLIENT_GETMAP
	 * Function: Request the map from the server
	 * Data:
	 *    <none>
	 */

	Packet *p = NetworkSend_Init(PACKET_CLIENT_GETMAP);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
{
	/*
	 * Packet: CLIENT_MAP_OK
	 * Function: Tell the server that we are done receiving/loading the map
	 * Data:
	 *    <none>
	 */

	Packet *p = NetworkSend_Init(PACKET_CLIENT_MAP_OK);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
{
	/*
	 * Packet: CLIENT_ACK
	 * Function: Tell the server we are done with this frame
	 * Data:
	 *    uint32: current FrameCounter of the client
	 */

	Packet *p = NetworkSend_Init(PACKET_CLIENT_ACK);

	p->Send_uint32(_frame_counter);
	MY_CLIENT->Send_Packet(p);
}

/* Send a command packet to the server */
DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
{
	/*
	 * Packet: CLIENT_COMMAND
	 * Function: Send a DoCommand to the Server
	 * Data:
	 *    uint8:  CompanyID (0..MAX_COMPANIES-1)
	 *    uint32: CommandID (see command.h)
	 *    uint32: P1 (free variables used in DoCommand)
	 *    uint32: P2
	 *    uint32: Tile
	 *    string: text
	 *    uint8:  CallBackID (see callback_table.c)
	 */

	Packet *p = NetworkSend_Init(PACKET_CLIENT_COMMAND);
	MY_CLIENT->Send_Command(p, cp);

	MY_CLIENT->Send_Packet(p);
}

/* Send a chat-packet over the network */
DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
{
	/*
	 * Packet: CLIENT_CHAT
	 * Function: Send a chat-packet to the serve
	 * Data:
	 *    uint8:  ActionID (see network_data.h, NetworkAction)
	 *    uint8:  Destination Type (see network_data.h, DestType);
	 *    uint32: Destination CompanyID/Client-identifier
	 *    String: Message (max NETWORK_CHAT_LENGTH)
	 *    uint64: Some arbitrary number
	 */

	Packet *p = NetworkSend_Init(PACKET_CLIENT_CHAT);

	p->Send_uint8 (action);
	p->Send_uint8 (type);
	p->Send_uint32(dest);
	p->Send_string(msg);
	p->Send_uint64(data);

	MY_CLIENT->Send_Packet(p);
}

/* Send an error-packet over the network */
DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
{
	/*
	 * Packet: CLIENT_ERROR
	 * Function: The client made an error and is quiting the game
	 * Data:
	 *    uint8:  ErrorID (see network_data.h, NetworkErrorCode)
	 */
	Packet *p = NetworkSend_Init(PACKET_CLIENT_ERROR);

	p->Send_uint8(errorno);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
{
	/*
	 * Packet: PACKET_CLIENT_SET_PASSWORD
	 * Function: Set the password for the clients current company
	 * Data:
	 *    String: Password
	 */
	Packet *p = NetworkSend_Init(PACKET_CLIENT_SET_PASSWORD);

	p->Send_string(GenerateCompanyPasswordHash(password));
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
{
	/*
	 * Packet: PACKET_CLIENT_SET_NAME
	 * Function: Gives the client a new name
	 * Data:
	 *    String: Name
	 */
	Packet *p = NetworkSend_Init(PACKET_CLIENT_SET_NAME);

	p->Send_string(name);
	MY_CLIENT->Send_Packet(p);
}

/* Send an quit-packet over the network */
DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
{
	/*
	 * Packet: CLIENT_QUIT
	 * Function: The client is quiting the game
	 * Data:
	 */
	Packet *p = NetworkSend_Init(PACKET_CLIENT_QUIT);

	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
{
	Packet *p = NetworkSend_Init(PACKET_CLIENT_RCON);
	p->Send_string(pass);
	p->Send_string(command);
	MY_CLIENT->Send_Packet(p);
}

DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
{
	Packet *p = NetworkSend_Init(PACKET_CLIENT_MOVE);
	p->Send_uint8(company);
	p->Send_string(GenerateCompanyPasswordHash(pass));
	MY_CLIENT->Send_Packet(p);
}


/***********
 * Receiving functions
 *   DEF_CLIENT_RECEIVE_COMMAND has parameter: Packet *p
 ************/

extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
extern StringID _switch_mode_errorstr;

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
{
	/* We try to join a server which is full */
	_switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
	DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);

	return NETWORK_RECV_STATUS_SERVER_FULL;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
{
	/* We try to join a server where we are banned */
	_switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
	DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);

	return NETWORK_RECV_STATUS_SERVER_BANNED;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
{
	byte company_info_version = p->Recv_uint8();

	if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
		/* We have received all data... (there are no more packets coming) */
		if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;

		CompanyID current = (Owner)p->Recv_uint8();
		if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;

		NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
		if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;

		p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
		company_info->inaugurated_year = p->Recv_uint32();
		company_info->company_value    = p->Recv_uint64();
		company_info->money            = p->Recv_uint64();
		company_info->income           = p->Recv_uint64();
		company_info->performance      = p->Recv_uint16();
		company_info->use_password     = p->Recv_bool();
		for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
			company_info->num_vehicle[i] = p->Recv_uint16();
		for (int i = 0; i < NETWORK_STATION_TYPES; i++)
			company_info->num_station[i] = p->Recv_uint16();
		company_info->ai               = p->Recv_bool();

		p->Recv_string(company_info->clients, sizeof(company_info->clients));

		InvalidateWindow(WC_NETWORK_WINDOW, 0);

		return NETWORK_RECV_STATUS_OKAY;
	}

	return NETWORK_RECV_STATUS_CLOSE_QUERY;
}

/* This packet contains info about the client (playas and name)
 *  as client we save this in NetworkClientInfo, linked via 'client_id'
 *  which is always an unique number on a server. */
DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
{
	NetworkClientInfo *ci;
	ClientID client_id = (ClientID)p->Recv_uint32();
	CompanyID playas = (CompanyID)p->Recv_uint8();
	char name[NETWORK_NAME_LENGTH];

	p->Recv_string(name, sizeof(name));

	if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;

	ci = NetworkFindClientInfoFromClientID(client_id);
	if (ci != NULL) {
		if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
			/* Client name changed, display the change */
			NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
		} else if (playas != ci->client_playas) {
			/* The client changed from client-player..
			 * Do not display that for now */
		}

		ci->client_playas = playas;
		strecpy(ci->client_name, name, lastof(ci->client_name));

		InvalidateWindow(WC_CLIENT_LIST, 0);

		return NETWORK_RECV_STATUS_OKAY;
	}

	/* We don't have this client_id yet, find an empty client_id, and put the data there */
	ci = new NetworkClientInfo(client_id);
	ci->client_playas = playas;
	if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);

	strecpy(ci->client_name, name, lastof(ci->client_name));

	InvalidateWindow(WC_CLIENT_LIST, 0);

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
{
	NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();

	switch (error) {
		/* We made an error in the protocol, and our connection is closed.... */
		case NETWORK_ERROR_NOT_AUTHORIZED:
		case NETWORK_ERROR_NOT_EXPECTED:
		case NETWORK_ERROR_COMPANY_MISMATCH:
			_switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
			break;
		case NETWORK_ERROR_FULL:
			_switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
			break;
		case NETWORK_ERROR_WRONG_REVISION:
			_switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
			break;
		case NETWORK_ERROR_WRONG_PASSWORD:
			_switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
			break;
		case NETWORK_ERROR_KICKED:
			_switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
			break;
		case NETWORK_ERROR_CHEATER:
			_switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
			break;
		default:
			_switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
	}

	DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);

	return NETWORK_RECV_STATUS_SERVER_ERROR;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
{
	uint grf_count = p->Recv_uint8();
	NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;

	/* Check all GRFs */
	for (; grf_count > 0; grf_count--) {
		GRFConfig c;
		MY_CLIENT->Recv_GRFIdentifier(p, &c);

		/* Check whether we know this GRF */
		const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
		if (f == NULL) {
			/* We do not know this GRF, bail out of initialization */
			char buf[sizeof(c.md5sum) * 2 + 1];
			md5sumToString(buf, lastof(buf), c.md5sum);
			DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
			ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
		}
	}

	if (ret == NETWORK_RECV_STATUS_OKAY) {
		/* Start receiving the map */
		SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
	} else {
		/* NewGRF mismatch, bail out */
		_switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
	}
	return ret;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
{
	NetworkPasswordType type = (NetworkPasswordType)p->Recv_uint8();

	const char *password = _network_join_server_password;

	switch (type) {
		case NETWORK_COMPANY_PASSWORD:
			/* Initialize the password hash salting variables. */
			_password_game_seed = p->Recv_uint32();
			p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
			if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
			password = _network_join_company_password;
			/* FALL THROUGH */
		case NETWORK_GAME_PASSWORD:
			if (StrEmpty(password)) {
				ShowNetworkNeedPassword(type);
			} else {
				SEND_COMMAND(PACKET_CLIENT_PASSWORD)(type, password);
			}
			return NETWORK_RECV_STATUS_OKAY;

		default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
	}
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
{
	_network_own_client_id = (ClientID)p->Recv_uint32();

	/* Initialize the password hash salting variables, even if they were previously. */
	_password_game_seed = p->Recv_uint32();
	p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));

	/* Start receiving the map */
	SEND_COMMAND(PACKET_CLIENT_GETMAP)();
	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
{
	_network_join_status = NETWORK_JOIN_STATUS_WAITING;
	_network_join_waiting = p->Recv_uint8();
	InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);

	/* We are put on hold for receiving the map.. we need GUI for this ;) */
	DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
	DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
{
	static FILE *file_pointer;

	byte maptype;

	maptype = p->Recv_uint8();

	if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;

	/* First packet, init some stuff */
	if (maptype == MAP_PACKET_START) {
		file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);;
		if (file_pointer == NULL) {
			_switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
			return NETWORK_RECV_STATUS_SAVEGAME;
		}

		_frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();

		_network_join_bytes = 0;
		_network_join_bytes_total = p->Recv_uint32();

		/* If the network connection has been closed due to loss of connection
		 * or when _network_join_kbytes_total is 0, the join status window will
		 * do a division by zero. When the connection is lost, we just return
		 * that. If kbytes_total is 0, the packet must be malformed as a
		 * savegame less than 1 kilobyte is practically impossible. */
		if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
		if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;

		_network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
		InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);

		/* The first packet does not contain any more data */
		return NETWORK_RECV_STATUS_OKAY;
	}

	if (maptype == MAP_PACKET_NORMAL) {
		/* We are still receiving data, put it to the file */
		if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
			_switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
			return NETWORK_RECV_STATUS_SAVEGAME;
		}

		_network_join_bytes = ftell(file_pointer);
		InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
	}

	/* Check if this was the last packet */
	if (maptype == MAP_PACKET_END) {
		fclose(file_pointer);

		_network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
		InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);

		/* The map is done downloading, load it */
		if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
			DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
			_switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
			return NETWORK_RECV_STATUS_SAVEGAME;
		}
		/* If the savegame has successfully loaded, ALL windows have been removed,
		 * only toolbar/statusbar and gamefield are visible */

		/* Say we received the map and loaded it correctly! */
		SEND_COMMAND(PACKET_CLIENT_MAP_OK)();

		/* New company/spectator (invalid company) or company we want to join is not active
		 * Switch local company to spectator and await the server's judgement */
		if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
			SetLocalCompany(COMPANY_SPECTATOR);

			if (_network_join_as != COMPANY_SPECTATOR) {
				/* We have arrived and ready to start playing; send a command to make a new company;
				 * the server will give us a client-id and let us in */
				_network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
				ShowJoinStatusWindow();
				NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL);
			}
		} else {
			/* take control over an existing company */
			SetLocalCompany(_network_join_as);
		}
	}

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
{
	_frame_counter_server = p->Recv_uint32();
	_frame_counter_max = p->Recv_uint32();
#ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
	/* Test if the server supports this option
	 *  and if we are at the frame the server is */
	if (p->pos < p->size) {
		_sync_frame = _frame_counter_server;
		_sync_seed_1 = p->Recv_uint32();
#ifdef NETWORK_SEND_DOUBLE_SEED
		_sync_seed_2 = p->Recv_uint32();
#endif
	}
#endif
	DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);

	/* Let the server know that we received this frame correctly
	 *  We do this only once per day, to save some bandwidth ;) */
	if (!_network_first_time && last_ack_frame < _frame_counter) {
		last_ack_frame = _frame_counter + DAY_TICKS;
		DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
		SEND_COMMAND(PACKET_CLIENT_ACK)();
	}

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
{
	_sync_frame = p->Recv_uint32();
	_sync_seed_1 = p->Recv_uint32();
#ifdef NETWORK_SEND_DOUBLE_SEED
	_sync_seed_2 = p->Recv_uint32();
#endif

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
{
	CommandPacket cp;
	const char *err = MY_CLIENT->Recv_Command(p, &cp);
	cp.frame    = p->Recv_uint32();
	cp.my_cmd   = p->Recv_bool();
	cp.next     = NULL;

	if (err != NULL) {
		IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
		return NETWORK_RECV_STATUS_MALFORMED_PACKET;
	}

	/* The server did send us this command..
	 *  queue it in our own queue, so we can handle it in the upcoming frame! */
	NetworkAddCommandQueue(cp);

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
{
	char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
	const NetworkClientInfo *ci = NULL, *ci_to;

	NetworkAction action = (NetworkAction)p->Recv_uint8();
	ClientID client_id = (ClientID)p->Recv_uint32();
	bool self_send = p->Recv_bool();
	p->Recv_string(msg, NETWORK_CHAT_LENGTH);
	int64 data = p->Recv_uint64();

	ci_to = NetworkFindClientInfoFromClientID(client_id);
	if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;

	/* Did we initiate the action locally? */
	if (self_send) {
		switch (action) {
			case NETWORK_ACTION_CHAT_CLIENT:
				/* For speaking to client we need the client-name */
				snprintf(name, sizeof(name), "%s", ci_to->client_name);
				ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
				break;

			/* For speaking to company or giving money, we need the company-name */
			case NETWORK_ACTION_GIVE_MONEY:
				if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
				/* fallthrough */
			case NETWORK_ACTION_CHAT_COMPANY: {
				StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
				SetDParam(0, ci_to->client_playas);

				GetString(name, str, lastof(name));
				ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
			} break;

			default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
		}
	} else {
		/* Display message from somebody else */
		snprintf(name, sizeof(name), "%s", ci_to->client_name);
		ci = ci_to;
	}

	if (ci != NULL)
		NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
{
	ClientID client_id = (ClientID)p->Recv_uint32();

	NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
	if (ci != NULL) {
		NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
		delete ci;
	}

	InvalidateWindow(WC_CLIENT_LIST, 0);

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
{
	NetworkClientInfo *ci;

	ClientID client_id = (ClientID)p->Recv_uint32();

	ci = NetworkFindClientInfoFromClientID(client_id);
	if (ci != NULL) {
		NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
		delete ci;
	} else {
		DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
	}

	InvalidateWindow(WC_CLIENT_LIST, 0);

	/* If we come here it means we could not locate the client.. strange :s */
	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
{
	ClientID client_id = (ClientID)p->Recv_uint32();

	NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
	if (ci != NULL)
		NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);

	InvalidateWindow(WC_CLIENT_LIST, 0);

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
{
	_switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;

	return NETWORK_RECV_STATUS_SERVER_ERROR;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
{
	/* To trottle the reconnects a bit, every clients waits
	 *  his _local_company value before reconnecting
	 * COMPANY_SPECTATOR is currently 255, so to avoid long wait periods
	 *  set the max to 10. */
	_network_reconnect = min(_local_company + 1, 10);
	_switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;

	return NETWORK_RECV_STATUS_SERVER_ERROR;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
{
	char rcon_out[NETWORK_RCONCOMMAND_LENGTH];

	ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
	p->Recv_string(rcon_out, sizeof(rcon_out));

	IConsolePrint(colour_code, rcon_out);

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
{
	/* Nothing more in this packet... */
	ClientID client_id   = (ClientID)p->Recv_uint32();
	CompanyID company_id = (CompanyID)p->Recv_uint8();

	if (client_id == 0) {
		/* definitely an invalid client id, debug message and do nothing. */
		DEBUG(net, 0, "[move] received invalid client index = 0");
		return NETWORK_RECV_STATUS_MALFORMED_PACKET;
	}

	const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
	/* Just make sure we do not try to use a client_index that does not exist */
	if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;

	/* if not valid player, force spectator, else check player exists */
	if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;

	if (client_id == _network_own_client_id) {
		SetLocalCompany(company_id);
	}

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
{
	_network_server_max_companies = p->Recv_uint8();
	_network_server_max_spectators = p->Recv_uint8();

	return NETWORK_RECV_STATUS_OKAY;
}

DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
{
	_network_company_passworded = p->Recv_uint16();
	InvalidateWindowClasses(WC_COMPANY);

	return NETWORK_RECV_STATUS_OKAY;
}


/* The layout for the receive-functions by the client */
typedef NetworkRecvStatus NetworkClientPacket(Packet *p);

/* This array matches PacketType. At an incoming
 *  packet it is matches against this array
 *  and that way the right function to handle that
 *  packet is found. */
static NetworkClientPacket * const _network_client_packet[] = {
	RECEIVE_COMMAND(PACKET_SERVER_FULL),
	RECEIVE_COMMAND(PACKET_SERVER_BANNED),
	NULL, // PACKET_CLIENT_JOIN,
	RECEIVE_COMMAND(PACKET_SERVER_ERROR),
	NULL, // PACKET_CLIENT_COMPANY_INFO,
	RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
	RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
	RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
	NULL, // PACKET_CLIENT_PASSWORD,
	RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
	NULL, // PACKET_CLIENT_GETMAP,
	RECEIVE_COMMAND(PACKET_SERVER_WAIT),
	RECEIVE_COMMAND(PACKET_SERVER_MAP),
	NULL, // PACKET_CLIENT_MAP_OK,
	RECEIVE_COMMAND(PACKET_SERVER_JOIN),
	RECEIVE_COMMAND(PACKET_SERVER_FRAME),
	RECEIVE_COMMAND(PACKET_SERVER_SYNC),
	NULL, // PACKET_CLIENT_ACK,
	NULL, // PACKET_CLIENT_COMMAND,
	RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
	NULL, // PACKET_CLIENT_CHAT,
	RECEIVE_COMMAND(PACKET_SERVER_CHAT),
	NULL, // PACKET_CLIENT_SET_PASSWORD,
	NULL, // PACKET_CLIENT_SET_NAME,
	NULL, // PACKET_CLIENT_QUIT,
	NULL, // PACKET_CLIENT_ERROR,
	RECEIVE_COMMAND(PACKET_SERVER_QUIT),
	RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
	RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
	RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
	RECEIVE_COMMAND(PACKET_SERVER_RCON),
	NULL, // PACKET_CLIENT_RCON,
	RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
	NULL, // PACKET_CLIENT_NEWGRFS_CHECKED,
	RECEIVE_COMMAND(PACKET_SERVER_MOVE),
	NULL, // PACKET_CLIENT_MOVE
	RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
	RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
};

/* If this fails, check the array above with network_data.h */
assert_compile(lengthof(_network_client_packet) == PACKET_END);

/* Is called after a client is connected to the server */
void NetworkClient_Connected()
{
	/* Set the frame-counter to 0 so nothing happens till we are ready */
	_frame_counter = 0;
	_frame_counter_server = 0;
	last_ack_frame = 0;
	/* Request the game-info */
	SEND_COMMAND(PACKET_CLIENT_JOIN)();
}

/* Reads the packets from the socket-stream, if available */
NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
{
	Packet *p;
	NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;

	while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet(&res)) != NULL) {
		byte type = p->Recv_uint8();
		if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
			res = _network_client_packet[type](p);
		} else {
			res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
			DEBUG(net, 0, "[client] received invalid packet type %d", type);
		}

		delete p;
	}

	return res;
}

void NetworkClientSendRcon(const char *password, const char *command)
{
	SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
}

/**
 * Notify the server of this client wanting to be moved to another company.
 * @param company_id id of the company the client wishes to be moved to.
 * @param pass the password, is only checked on the server end if a password is needed.
 * @return void
 */
void NetworkClientRequestMove(CompanyID company_id, const char *pass)
{
	SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
}

void NetworkUpdateClientName()
{
	NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);

	if (ci == NULL) return;

	/* Don't change the name if it is the same as the old name */
	if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
		if (!_network_server) {
			SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
		} else {
			if (NetworkFindName(_settings_client.network.client_name)) {
				NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
				strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
				NetworkUpdateClientInfo(CLIENT_ID_SERVER);
			}
		}
	}
}

void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
{
	SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
}

void NetworkClientSetPassword(const char *password)
{
	SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
}

/**
 * Tell whether the client has team members where he/she can chat to.
 * @param cio client to check members of.
 * @return true if there is at least one team member.
 */
bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
{
	/* Only companies actually playing can speak to team. Eg spectators cannot */
	if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;

	const NetworkClientInfo *ci;
	FOR_ALL_CLIENT_INFOS(ci) {
		if (ci->client_playas == cio->client_playas && ci != cio) return true;
	}

	return false;
}

/**
 * Check if max_companies has been reached on the server (local check only).
 * @return true if the max value has been reached or exceeded, false otherwise.
 */
bool NetworkMaxCompaniesReached()
{
	return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
}

/**
 * Check if max_spectatos has been reached on the server (local check only).
 * @return true if the max value has been reached or exceeded, false otherwise.
 */
bool NetworkMaxSpectatorsReached()
{
	return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
}

/**
 * Print all the clients to the console
 */
void NetworkPrintClients()
{
	NetworkClientInfo *ci;
	FOR_ALL_CLIENT_INFOS(ci) {
		IConsolePrintF(CC_INFO, "Client #%1d  name: '%s'  company: %1d  IP: %s",
				ci->client_id,
				ci->client_name,
				ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
				GetClientIP(ci));
	}
}

#endif /* ENABLE_NETWORK */