summaryrefslogtreecommitdiff
path: root/src/client.cpp
blob: c5986de089f40a5412ea1506ed31e803273f0214 (plain) (blame)
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
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  This program 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; either version 2 of the License, or
 *  any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "client.h"
#include "main.h"

#include "chatlogger.h"
#include "configuration.h"
#include "emoteshortcut.h"
#include "event.h"
#include "game.h"
#include "itemshortcut.h"
#include "keyboardconfig.h"
#ifdef USE_OPENGL
#include "openglgraphics.h"
#endif
#include "playerrelations.h"
#include "sound.h"
#include "statuseffect.h"
#include "units.h"

#include "gui/changeemaildialog.h"
#include "gui/changepassworddialog.h"
#include "gui/charselectdialog.h"
#include "gui/connectiondialog.h"
#include "gui/gui.h"
#include "gui/logindialog.h"
#include "gui/okdialog.h"
#include "gui/quitdialog.h"
#include "gui/register.h"
#include "gui/sdlinput.h"
#include "gui/serverdialog.h"
#include "gui/setup.h"
#include "gui/unregisterdialog.h"
#include "gui/updaterwindow.h"
#include "gui/worldselectdialog.h"

#include "gui/widgets/button.h"
#include "gui/widgets/desktop.h"

#include "net/charhandler.h"
#include "net/gamehandler.h"
#include "net/generalhandler.h"
#include "net/logindata.h"
#include "net/loginhandler.h"
#include "net/net.h"
#include "net/worldinfo.h"

#include "resources/hairdb.h"
#include "resources/emotedb.h"
#include "resources/image.h"
#include "resources/itemdb.h"
#include "resources/monsterdb.h"
#include "resources/specialdb.h"
#include "resources/npcdb.h"
#include "resources/resourcemanager.h"
#include "resources/theme.h"
#include "resources/userpalette.h"

#include "utils/gettext.h"
#include "utils/mkdir.h"
#include "utils/stringutils.h"

#ifdef __APPLE__
#include <CoreFoundation/CFBundle.h>
#endif

#include <physfs.h>
#include <SDL_image.h>

#ifdef _WIN32
#include <SDL_syswm.h>
#include "utils/specialfolder.h"
#else
#include <cerrno>
#endif

#include <sys/stat.h>
#include <cassert>

/**
 * Tells the max tick value,
 * setting it back to zero (and start again).
 */
static const int MAX_TICK_VALUE = 10000;

static const int defaultSfxVolume = 100;
static const int defaultMusicVolume = 60;

// TODO: Get rid fo these globals
std::string errorMessage;
LoginData loginData;

Configuration config;         /**< XML file configuration reader */
Configuration branding;       /**< XML branding information reader */
Configuration paths;          /**< XML default paths information reader */
Logger *logger;               /**< Log object */
ChatLogger *chatLogger;       /**< Chat log object */
KeyboardConfig keyboard;

UserPalette *userPalette;
Graphics *graphics;

ItemDB *itemDb;

Sound sound;

volatile int tick_time;       /**< Tick counter */
volatile int fps = 0;         /**< Frames counted in the last second */
volatile int frame_count = 0; /**< Counts the frames during one second */
volatile int cur_time;

/**
 * Advances game logic counter.
 * Called every 10 milliseconds by SDL_AddTimer()
 * @see MILLISECONDS_IN_A_TICK value
 */
Uint32 nextTick(Uint32 interval, void *param)
{
    tick_time++;
    if (tick_time == MAX_TICK_VALUE)
        tick_time = 0;
    return interval;
}

/**
 * Updates fps.
 * Called every seconds by SDL_AddTimer()
 */
Uint32 nextSecond(Uint32 interval, void *param)
{
    fps = frame_count;
    frame_count = 0;

    return interval;
}

int get_elapsed_time(int startTime)
{
    if (startTime <= tick_time)
        return (tick_time - startTime) * MILLISECONDS_IN_A_TICK;
    else
        return (tick_time + (MAX_TICK_VALUE - startTime))
                * MILLISECONDS_IN_A_TICK;
}

bool isDoubleClick(int selected)
{
    const Uint32 maximumDelay = 500;
    static Uint32 lastTime = 0;
    static int lastSelected = -1;

    if (selected == lastSelected && lastTime + maximumDelay >= SDL_GetTicks())
    {
        lastTime = 0;
        return true;
    }

    lastTime = SDL_GetTicks();
    lastSelected = selected;
    return false;
}


Client *Client::mInstance = 0;

Client::Client(const Options &options):
    mOptions(options),
    mGame(0),
    mCurrentDialog(0),
    mQuitDialog(0),
    mDesktop(0),
    mSetupButton(0),
    mState(STATE_CHOOSE_SERVER),
    mOldState(STATE_START),
    mStateAfterOkDialog(mState),
    mIcon(0),
    mLogicCounterId(0),
    mSecondsCounterId(0),
    mLimitFps(false)
{
    assert(!mInstance);
    mInstance = this;

    logger = new Logger;

    // Set default values for configuration files
    branding.setDefaultValues(getBrandingDefaults());
    paths.setDefaultValues(getPathsDefaults());
    config.setDefaultValues(getConfigDefaults());

    // Load branding information
    if (!options.brandingPath.empty())
    {
        branding.init(options.brandingPath);
    }

    initRootDir();
    initHomeDir();
    initConfiguration();

    chatLogger = new ChatLogger;
    if (options.chatLogDir.empty())
        chatLogger->setLogDir(mLocalDataDir + std::string("/logs/"));
    else
        chatLogger->setLogDir(options.chatLogDir);

    // Configure logger
    logger->setLogFile(mLocalDataDir + std::string("/mana.log"));
    logger->setLogToStandardOut(config.getBoolValue("logToStandardOut"));

    // Log the mana version
    logger->log("Mana %s", FULL_VERSION);

    initScreenshotDir();

    // Initialize SDL
    logger->log("Initializing SDL...");
    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) < 0)
    {
        logger->error(strprintf("Could not initialize SDL: %s",
                      SDL_GetError()));
    }
    atexit(SDL_Quit);

    SDL_EnableUNICODE(1);
    SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);

    SDL_WM_SetCaption(branding.getValue("appName", "Mana").c_str(), NULL);

    ResourceManager *resman = ResourceManager::getInstance();

    if (!resman->setWriteDir(mLocalDataDir))
    {
        logger->error(strprintf("%s couldn't be set as home directory! "
                                "Exiting.", mLocalDataDir.c_str()));
    }

    Image::SDLsetEnableAlphaCache(config.getValue("alphaCache", true));

#if defined __APPLE__
    CFBundleRef mainBundle = CFBundleGetMainBundle();
    CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(mainBundle);
    char path[PATH_MAX];
    if (!CFURLGetFileSystemRepresentation(resourcesURL, TRUE, (UInt8 *)path,
                                          PATH_MAX))
    {
        fprintf(stderr, "Can't find Resources directory\n");
    }
    CFRelease(resourcesURL);
    strncat(path, "/data", PATH_MAX - 1);
    resman->addToSearchPath(path, false);
    mPackageDir = path;
#else
    resman->addToSearchPath(PKG_DATADIR "data", false);
    mPackageDir = PKG_DATADIR "data";
#endif

    resman->addToSearchPath("data", false);

    // Add branding/data to PhysFS search path
    if (!options.brandingPath.empty())
    {
        std::string path = options.brandingPath;

        // Strip blah.mana from the path
#ifdef _WIN32
        int loc1 = path.find_last_of('/');
        int loc2 = path.find_last_of('\\');
        int loc = std::max(loc1, loc2);
#else
        int loc = path.find_last_of('/');
#endif
        if (loc > 0)
            resman->addToSearchPath(path.substr(0, loc + 1) + "data", false);
    }

    // Add the main data directories to our PhysicsFS search path
    if (!options.dataPath.empty())
        resman->addToSearchPath(options.dataPath, false);

    // Add the local data directory to PhysicsFS search path
    resman->addToSearchPath(mLocalDataDir, false);

    std::string iconFile = branding.getValue("appIcon", "icons/mana");
#ifdef _WIN32
    iconFile += ".ico";
#else
    iconFile += ".png";
#endif
    iconFile = resman->getPath(iconFile);
    logger->log("Loading icon from file: %s", iconFile.c_str());
#ifdef _WIN32
    static SDL_SysWMinfo pInfo;
    SDL_GetWMInfo(&pInfo);
    // Attempt to load icon from .ico file
    HICON icon = (HICON) LoadImage(NULL,
                                   iconFile.c_str(),
                                   IMAGE_ICON, 64, 64, LR_LOADFROMFILE);
    // If it's failing, we load the default resource file.
    if (!icon)
        icon = LoadIcon(GetModuleHandle(NULL), "A");

    if (icon)
        SetClassLong(pInfo.window, GCL_HICON, (LONG) icon);
#else
    mIcon = IMG_Load(iconFile.c_str());
    if (mIcon)
    {
        SDL_SetAlpha(mIcon, SDL_SRCALPHA, SDL_ALPHA_OPAQUE);
        SDL_WM_SetIcon(mIcon, NULL);
    }
#endif

    bool useOpenGL = !mOptions.noOpenGL && (config.getValue("opengl", 0) == 1);

    // Set up the transparency option for low CPU when not using OpenGL.
    if (!useOpenGL && (config.getValue("disableTransparency", 0) == 1))
        Image::SDLdisableTransparency();

#ifdef USE_OPENGL

    // Setup image loading for the right image format
    Image::setLoadAsOpenGL(useOpenGL);

    // Create the graphics context
    graphics = useOpenGL ? new OpenGLGraphics : new Graphics;
#else
    // Create the graphics context
    graphics = new Graphics;
#endif

    const int width = config.getIntValue("screenwidth");
    const int height = config.getIntValue("screenheight");
    const int bpp = 0;
    const bool fullscreen = config.getBoolValue("screen");
    const bool hwaccel = config.getBoolValue("hwaccel");

    // Try to set the desired video mode
    if (!graphics->setVideoMode(width, height, bpp, fullscreen, hwaccel))
    {
        logger->error(strprintf("Couldn't set %dx%dx%d video mode: %s",
            width, height, bpp, SDL_GetError()));
    }

    // Initialize for drawing
    graphics->_beginDraw();

    Theme::prepareThemePath();

    // Initialize the item and emote shortcuts.
    itemShortcut = new ItemShortcut;
    emoteShortcut = new EmoteShortcut;

    gui = new Gui(graphics);

    // Initialize sound engine
    try
    {
        if (config.getBoolValue("sound"))
            sound.init();

        sound.setSfxVolume(config.getIntValue("sfxVolume"));
        sound.setMusicVolume(config.getIntValue("musicVolume"));
    }
    catch (const char *err)
    {
        mState = STATE_ERROR;
        errorMessage = err;
        logger->log("Warning: %s", err);
    }

    // Initialize keyboard
    keyboard.init();

    // Initialise player relations
    player_relations.init();

    userPalette = new UserPalette;
    setupWindow = new Setup;

    sound.playMusic(branding.getStringValue("loginMusic"));

    // Initialize default server
    mCurrentServer.hostname = options.serverName;
    mCurrentServer.port = options.serverPort;
    loginData.username = options.username;
    loginData.password = options.password;
    loginData.remember = config.getBoolValue("remember");
    loginData.registerLogin = false;

    if (mCurrentServer.hostname.empty())
        mCurrentServer.hostname = branding.getValue("defaultServer","").c_str();

    if (mCurrentServer.port == 0)
    {
        mCurrentServer.port = (short) branding.getValue("defaultPort",
                                                                  DEFAULT_PORT);
        mCurrentServer.type = ServerInfo::parseType(
                           branding.getValue("defaultServerType", "tmwathena"));
    }

    if (chatLogger)
        chatLogger->setServerName(mCurrentServer.hostname);

    if (loginData.username.empty() && loginData.remember)
        loginData.username = config.getStringValue("username");

    if (mState != STATE_ERROR)
        mState = STATE_CHOOSE_SERVER;

    // Initialize logic and seconds counters
    tick_time = 0;
    mLogicCounterId = SDL_AddTimer(MILLISECONDS_IN_A_TICK, nextTick, NULL);
    mSecondsCounterId = SDL_AddTimer(1000, nextSecond, NULL);

    // Initialize frame limiting
    SDL_initFramerate(&mFpsManager);

    listen(Event::ConfigChannel);

    //TODO: fix having to fake a option changed event
    Event fakeevent(Event::ConfigOptionChanged);
    fakeevent.setString("option", "fpslimit");
    event(Event::ConfigChannel, fakeevent);

    // Initialize PlayerInfo
    PlayerInfo::init();
}

Client::~Client()
{
    SDL_RemoveTimer(mLogicCounterId);
    SDL_RemoveTimer(mSecondsCounterId);

    // Unload XML databases
    HairDB::unload();
    EmoteDB::unload();
    delete itemDb;
    MonsterDB::unload();
    NPCDB::unload();
    StatusEffect::unload();

    // Before config.write() since it writes the shortcuts to the config
    delete itemShortcut;
    delete emoteShortcut;

    delete gui;
    delete graphics;

    // Shutdown libxml
    xmlCleanupParser();

    // Shutdown sound
    sound.close();

    ResourceManager::deleteInstance();

    SDL_FreeSurface(mIcon);

    logger->log("Quitting");
    delete userPalette;

    config.write();

    delete logger;

    mInstance = 0;
}

int Client::exec()
{
    int lastTickTime = tick_time;

    SDL_Event event;

    while (mState != STATE_EXIT)
    {
        if (mGame)
        {
            // Let the game handle the events while it is active
            mGame->handleInput();
        }
        else
        {
            // Handle SDL events
            while (SDL_PollEvent(&event))
            {
                switch (event.type)
                {
                    case SDL_QUIT:
                        mState = STATE_EXIT;
                        break;

                    case SDL_KEYDOWN:
                        break;

                    case SDL_VIDEORESIZE:
                        resizeVideo(event.resize.w, event.resize.h);
                        break;
                }

                guiInput->pushInput(event);
            }
        }

        if (Net::getGeneralHandler())
            Net::getGeneralHandler()->flushNetwork();

        while (get_elapsed_time(lastTickTime) > 0)
        {
            gui->logic();
            if (mGame)
                mGame->logic();

            sound.logic();

            ++lastTickTime;
        }

        // This is done because at some point tick_time will wrap.
        lastTickTime = tick_time;

        // Update the screen when application is active, delay otherwise.
        if (SDL_GetAppState() & SDL_APPACTIVE)
        {
            frame_count++;
            gui->draw();
            graphics->updateScreen();
        }
        else
        {
            SDL_Delay(10);
        }

        if (mLimitFps)
            SDL_framerateDelay(&mFpsManager);

        // TODO: Add connect timeouts
        if (mState == STATE_CONNECT_GAME &&
                 Net::getGameHandler()->isConnected())
        {
            Net::getLoginHandler()->disconnect();
        }
        else if (mState == STATE_CONNECT_SERVER &&
                 mOldState == STATE_CONNECT_SERVER &&
                 Net::getLoginHandler()->isConnected())
        {
            mState = STATE_LOGIN;
        }
        else if (mState == STATE_WORLD_SELECT && mOldState == STATE_UPDATE)
        {
            if (Net::getLoginHandler()->getWorlds().size() < 2)
            {
                mState = STATE_LOGIN;
            }
        }
        else if (mOldState == STATE_START ||
                 (mOldState == STATE_GAME && mState != STATE_GAME))
        {
            gcn::Container *top = static_cast<gcn::Container*>(gui->getTop());

            mDesktop = new Desktop;
            top->add(mDesktop);
            mSetupButton = new Button(_("Setup"), "Setup", this);
            mSetupButton->setPosition(top->getWidth() - mSetupButton->getWidth()
                                     - 3, 3);
            top->add(mSetupButton);

            mDesktop->setSize(graphics->getWidth(), graphics->getHeight());
        }

        if (mState == STATE_SWITCH_LOGIN && mOldState == STATE_GAME)
        {
            Net::getGameHandler()->disconnect();
        }

        if (mState != mOldState)
        {
            {
                Event event(Event::StateChange);
                event.setInt("oldState", mOldState);
                event.setInt("newState", mState);
                event.trigger(Event::ClientChannel);
            }

            if (mOldState == STATE_GAME)
            {
                delete mGame;
                mGame = 0;
            }

            mOldState = mState;

            // Get rid of the dialog of the previous state
            if (mCurrentDialog)
            {
                delete mCurrentDialog;
                mCurrentDialog = NULL;
            }
            // State has changed, while the quitDialog was active, it might
            // not be correct anymore
            if (mQuitDialog)
                mQuitDialog->scheduleDelete();

            switch (mState)
            {
                case STATE_CHOOSE_SERVER:
                    logger->log("State: CHOOSE SERVER");

                    // If a server was passed on the command line, or branding
                    // provides a server and a blank server list, we skip the
                    // server selection dialog.
                    if ((!mOptions.serverName.empty() && mOptions.serverPort)
                        || (!branding.getValue("defaultServer","").empty() &&
                            branding.getValue("defaultPort",0) &&
                            branding.getValue("onlineServerList", "").empty()))
                    {
                        mState = STATE_CONNECT_SERVER;

                        // Reset options so that cancelling or connect
                        // timeout will show the server dialog.
                        mOptions.serverName.clear();
                        mOptions.serverPort = 0;
                    }
                    else
                    {
                        // Don't allow an alpha opacity
                        // lower than the default value
                        Theme::instance()->setMinimumOpacity(0.8f);

                        mCurrentDialog = new ServerDialog(&mCurrentServer,
                                                          mConfigDir);
                    }
                    break;

                case STATE_CONNECT_SERVER:
                    logger->log("State: CONNECT SERVER");

                    Net::connectToServer(mCurrentServer);

                    mCurrentDialog = new ConnectionDialog(
                            _("Connecting to server"), STATE_SWITCH_SERVER);
                    break;

                case STATE_LOGIN:
                    logger->log("State: LOGIN");
                    // Don't allow an alpha opacity
                    // lower than the default value
                    Theme::instance()->setMinimumOpacity(0.8f);

                    if (mOptions.username.empty()
                            || mOptions.password.empty())
                    {
                        mCurrentDialog = new LoginDialog(&loginData);
                    }
                    else
                    {
                        mState = STATE_LOGIN_ATTEMPT;
                        // Clear the password so that when login fails, the
                        // dialog will show up next time.
                        mOptions.password.clear();
                    }
                    break;

                case STATE_LOGIN_ATTEMPT:
                    logger->log("State: LOGIN ATTEMPT");
                    accountLogin(&loginData);
                    mCurrentDialog = new ConnectionDialog(
                            _("Logging in"), STATE_SWITCH_SERVER);
                    break;

                case STATE_WORLD_SELECT:
                    logger->log("State: WORLD SELECT");
                    {
                        Worlds worlds = Net::getLoginHandler()->getWorlds();

                        if (worlds.size() == 0)
                        {
                            // Trust that the netcode knows what it's doing
                            mState = STATE_UPDATE;
                        }
                        else if (worlds.size() == 1)
                        {
                            Net::getLoginHandler()->chooseServer(0);
                            mState = STATE_UPDATE;
                        }
                        else
                        {
                            mCurrentDialog = new WorldSelectDialog(worlds);
                            if (mOptions.chooseDefault)
                            {
                                ((WorldSelectDialog*) mCurrentDialog)->action(
                                    gcn::ActionEvent(NULL, "ok"));
                            }
                        }
                    }
                    break;

                case STATE_WORLD_SELECT_ATTEMPT:
                    logger->log("State: WORLD SELECT ATTEMPT");
                    mCurrentDialog = new ConnectionDialog(
                            _("Entering game world"), STATE_WORLD_SELECT);
                    break;

                case STATE_UPDATE:
                    // Determine which source to use for the update host
                    if (!mOptions.updateHost.empty())
                        mUpdateHost = mOptions.updateHost;
                    else
                        mUpdateHost = loginData.updateHost;
                    initUpdatesDir();

                    if (mOptions.skipUpdate)
                    {
                        mState = STATE_LOAD_DATA;
                    }
                    else
                    {
                        logger->log("State: UPDATE");
                        mCurrentDialog = new UpdaterWindow(mUpdateHost,
                                mLocalDataDir + "/" + mUpdatesDir,mOptions.dataPath.empty());
                    }
                    break;

                case STATE_LOAD_DATA:
                    logger->log("State: LOAD DATA");

                    // If another data path has been set,
                    // we don't load any other files...
                    if (mOptions.dataPath.empty())
                    {
                        // Add customdata directory
                        ResourceManager::getInstance()->searchAndAddArchives(
                            "customdata/",
                            "zip",
                            false);
                    }

                    // Read default paths file 'data/paths.xml'
                    paths.init("paths.xml", true);

                    Event::trigger(Event::ClientChannel, Event::LoadingDatabases);

                    // Load XML databases
                    HairDB::load();
                    switch (Net::getNetworkType())
                    {
                      case ServerInfo::TMWATHENA:
                        itemDb = new TmwAthena::TaItemDB;
                      break;
                      case ServerInfo::MANASERV:
                        itemDb = new ManaServ::ManaServItemDB;
                      break;
                      default:
                        // Nothing
                        itemDb = 0;
                      break;
                    }
                    if (!itemDb || !itemDb->isLoaded())
                    {
                        // Warn and return to login screen
                        errorMessage =
                            _("This server is missing needed world data. "
                              "Please contact the administrator(s).");
                        showOkDialog(_("ItemDB: Error while loading "
                                       ITEMS_DB_FILE "!"), errorMessage,
                                     STATE_CHOOSE_SERVER);
                        break;
                    }
                    Being::load(); // Hairstyles
                    MonsterDB::load();
                    SpecialDB::load();
                    NPCDB::load();
                    EmoteDB::load();
                    StatusEffect::load();
                    Units::loadUnits();

                    ActorSprite::load();

                    mDesktop->reloadWallpaper();

                    mState = STATE_GET_CHARACTERS;
                    break;

                case STATE_GET_CHARACTERS:
                    logger->log("State: GET CHARACTERS");
                    Net::getCharHandler()->requestCharacters();
                    mCurrentDialog = new ConnectionDialog(
                            _("Requesting characters"),
                            STATE_SWITCH_SERVER);
                    break;

                case STATE_CHAR_SELECT:
                    logger->log("State: CHAR SELECT");
                    // Don't allow an alpha opacity
                    // lower than the default value
                    Theme::instance()->setMinimumOpacity(0.8f);

                    mCurrentDialog = new CharSelectDialog(&loginData);

                    if (!((CharSelectDialog*) mCurrentDialog)->selectByName(
                            mOptions.character, CharSelectDialog::Choose))
                    {
                        ((CharSelectDialog*) mCurrentDialog)->selectByName(
                                config.getStringValue("lastCharacter"),
                                mOptions.chooseDefault ?
                                    CharSelectDialog::Choose :
                                    CharSelectDialog::Focus);
                    }

                    break;

                case STATE_CONNECT_GAME:
                    logger->log("State: CONNECT GAME");

                    Net::getGameHandler()->connect();
                    mCurrentDialog = new ConnectionDialog(
                            _("Connecting to the game server"),
                            Net::getNetworkType() == ServerInfo::TMWATHENA ?
                            STATE_CHOOSE_SERVER : STATE_SWITCH_CHARACTER);
                    break;

                case STATE_CHANGE_MAP:
                    logger->log("State: CHANGE_MAP");

                    Net::getGameHandler()->connect();
                    mCurrentDialog = new ConnectionDialog(
                            _("Changing game servers"),
                            STATE_SWITCH_CHARACTER);
                    break;

                case STATE_GAME:
                    logger->log("Memorizing selected character %s",
                            local_player->getName().c_str());
                    config.setValue("lastCharacter", local_player->getName());

                    // Fade out logon-music here too to give the desired effect
                    // of "flowing" into the game.
                    sound.fadeOutMusic(1000);

                    // Allow any alpha opacity
                    Theme::instance()->setMinimumOpacity(-1.0f);

                    delete mSetupButton;
                    delete mDesktop;
                    mSetupButton = NULL;
                    mDesktop = NULL;

                    mCurrentDialog = NULL;

                    logger->log("State: GAME");
                    mGame = new Game;
                    break;

                case STATE_LOGIN_ERROR:
                    logger->log("State: LOGIN ERROR");
                    showErrorDialog(errorMessage, STATE_LOGIN);
                    break;

                case STATE_ACCOUNTCHANGE_ERROR:
                    logger->log("State: ACCOUNT CHANGE ERROR");
                    showErrorDialog(errorMessage, STATE_CHAR_SELECT);
                    break;

                case STATE_REGISTER_PREP:
                    logger->log("State: REGISTER_PREP");
                    Net::getLoginHandler()->getRegistrationDetails();
                    mCurrentDialog = new ConnectionDialog(
                            _("Requesting registration details"), STATE_LOGIN);
                    break;

                case STATE_REGISTER:
                    logger->log("State: REGISTER");
                    mCurrentDialog = new RegisterDialog(&loginData);
                    break;

                case STATE_REGISTER_ATTEMPT:
                    logger->log("Username is %s", loginData.username.c_str());
                    Net::getLoginHandler()->registerAccount(&loginData);
                    break;

                case STATE_CHANGEPASSWORD:
                    logger->log("State: CHANGE PASSWORD");
                    mCurrentDialog = new ChangePasswordDialog(&loginData);
                    break;

                case STATE_CHANGEPASSWORD_ATTEMPT:
                    logger->log("State: CHANGE PASSWORD ATTEMPT");
                    Net::getLoginHandler()->changePassword(loginData.username,
                                                loginData.password,
                                                loginData.newPassword);
                    break;

                case STATE_CHANGEPASSWORD_SUCCESS:
                    logger->log("State: CHANGE PASSWORD SUCCESS");
                    showOkDialog(_("Password Change"),
                                 _("Password changed successfully!"),
                                 STATE_CHAR_SELECT);
                    loginData.password = loginData.newPassword;
                    loginData.newPassword = "";
                    break;

                case STATE_CHANGEEMAIL:
                    logger->log("State: CHANGE EMAIL");
                    mCurrentDialog = new ChangeEmailDialog(&loginData);
                    break;

                case STATE_CHANGEEMAIL_ATTEMPT:
                    logger->log("State: CHANGE EMAIL ATTEMPT");
                    Net::getLoginHandler()->changeEmail(loginData.email);
                    break;

                case STATE_CHANGEEMAIL_SUCCESS:
                    logger->log("State: CHANGE EMAIL SUCCESS");
                    showOkDialog(_("Email Change"),
                                 _("Email changed successfully!"),
                                 STATE_CHAR_SELECT);
                    break;

                case STATE_UNREGISTER:
                    logger->log("State: UNREGISTER");
                    mCurrentDialog = new UnRegisterDialog(&loginData);
                    break;

                case STATE_UNREGISTER_ATTEMPT:
                    logger->log("State: UNREGISTER ATTEMPT");
                    Net::getLoginHandler()->unregisterAccount(
                            loginData.username, loginData.password);
                    break;

                case STATE_UNREGISTER_SUCCESS:
                    logger->log("State: UNREGISTER SUCCESS");
                    Net::getLoginHandler()->disconnect();

                    showOkDialog(_("Unregister Successful"),
                                 _("Farewell, come back any time..."),
                                 STATE_CHOOSE_SERVER);
                    loginData.clear();
                    break;

                case STATE_SWITCH_SERVER:
                    logger->log("State: SWITCH SERVER");

                    Net::getLoginHandler()->disconnect();
                    Net::getGameHandler()->disconnect();

                    mState = STATE_CHOOSE_SERVER;
                    break;

                case STATE_SWITCH_LOGIN:
                    logger->log("State: SWITCH LOGIN");

                    Net::getLoginHandler()->disconnect();

                    mState = STATE_CONNECT_SERVER;
                    break;

                case STATE_SWITCH_CHARACTER:
                    logger->log("State: SWITCH CHARACTER");

                    // Done with game
                    Net::getGameHandler()->disconnect();

                    mState = STATE_GET_CHARACTERS;
                    break;

                case STATE_LOGOUT_ATTEMPT:
                    logger->log("State: LOGOUT ATTEMPT");
                    // TODO
                    break;

                case STATE_WAIT:
                    logger->log("State: WAIT");
                    break;

                case STATE_EXIT:
                    logger->log("State: EXIT");
                    Net::unload();
                    break;

                case STATE_FORCE_QUIT:
                    logger->log("State: FORCE QUIT");
                    if (Net::getGeneralHandler())
                        Net::getGeneralHandler()->unload();
                    mState = STATE_EXIT;
                  break;

                case STATE_ERROR:
                    logger->log("State: ERROR");
                    logger->log("Error: %s", errorMessage.c_str());
                    showErrorDialog(errorMessage, STATE_CHOOSE_SERVER);
                    Net::getGameHandler()->disconnect();
                    break;

                default:
                    mState = STATE_FORCE_QUIT;
                    break;
            }
        }
    }

    return 0;
}

void Client::showOkDialog(const std::string &title,
                          const std::string &message,
                          State state)
{
    OkDialog *okDialog = new OkDialog(title, message);
    okDialog->addActionListener(this);
    mStateAfterOkDialog = state;
}

void Client::showErrorDialog(const std::string &message, State state)
{
    showOkDialog(_("Error"), message, state);
}

void Client::event(Event::Channel channel, const Event &event)
{
    if (channel == Event::ConfigChannel &&
        event.getType() == Event::ConfigOptionChanged &&
        event.getString("option") == "fpslimit")
    {
        const int fpsLimit = config.getIntValue("fpslimit");
        mLimitFps = fpsLimit > 0;
        if (mLimitFps)
            SDL_setFramerate(&mFpsManager, fpsLimit);
    }

}

void Client::action(const gcn::ActionEvent &event)
{
    Window *window = 0;

    if (event.getId() == "Setup")
        window = setupWindow;

    if (window)
    {
        window->setVisible(!window->isVisible());
        if (window->isVisible())
            window->requestMoveToTop();
    }

    // If this came from the OkDialog used by showOkDialog
    if (event.getId() == "ok")
        mState = mStateAfterOkDialog;
}

void Client::initRootDir()
{
    mRootDir = PHYSFS_getBaseDir();
#ifdef _WIN32
    std::string portableName = mRootDir + "portable.xml";
    struct stat statbuf;

    if (!stat(portableName.c_str(), &statbuf) && S_ISREG(statbuf.st_mode))
    {
        std::string dir;
        Configuration portable;
        portable.init(portableName);

        logger->log("Portable file: %s", portableName.c_str());

        if (mOptions.localDataDir.empty())
        {
            dir = portable.getValue("dataDir", "");
            if (!dir.empty())
            {
                mOptions.localDataDir = mRootDir + dir;
                logger->log("Portable data dir: %s",
                    mOptions.localDataDir.c_str());
            }
        }

        if (mOptions.configDir.empty())
        {
            dir = portable.getValue("configDir", "");
            if (!dir.empty())
            {
                mOptions.configDir = mRootDir + dir;
                logger->log("Portable config dir: %s",
                    mOptions.configDir.c_str());
            }
        }

        if (mOptions.screenshotDir.empty())
        {
            dir = portable.getValue("screenshotDir", "");
            if (!dir.empty())
            {
                mOptions.screenshotDir = mRootDir + dir;
                logger->log("Portable screenshot dir: %s",
                    mOptions.screenshotDir.c_str());
            }
        }
    }
#endif
}

/**
 * Initializes the home directory. On UNIX and FreeBSD, ~/.mana is used. On
 * Windows and other systems we use the current working directory.
 */
void Client::initHomeDir()
{
    mLocalDataDir = mOptions.localDataDir;

    if (mLocalDataDir.empty())
    {
#ifdef __APPLE__
        // Use Application Directory instead of .mana
        mLocalDataDir = std::string(PHYSFS_getUserDir()) +
            "/Library/Application Support/" +
            branding.getValue("appName", "Mana");
#elif defined __HAIKU__
        mLocalDataDir = std::string(PHYSFS_getUserDir()) +
           "/config/data/Mana";
#elif defined _WIN32
        mLocalDataDir = getSpecialFolderLocation(CSIDL_LOCAL_APPDATA);
        if (mLocalDataDir.empty())
            mLocalDataDir = std::string(PHYSFS_getUserDir());
        mLocalDataDir += "/Mana";
#else
        mLocalDataDir = std::string(PHYSFS_getUserDir()) +
            "/.local/share/mana";
#endif
    }

    if (mkdir_r(mLocalDataDir.c_str()))
    {
        logger->error(strprintf(_("%s doesn't exist and can't be created! "
                                  "Exiting."), mLocalDataDir.c_str()));
    }

    mConfigDir = mOptions.configDir;

    if (mConfigDir.empty())
    {
        const std::string app = branding.getValue("appShort", "manasource");
#ifdef __APPLE__
        mConfigDir = mLocalDataDir + "/" + app;
#elif defined __HAIKU__
        mConfigDir = std::string(PHYSFS_getUserDir()) +
           "/config/settings/Mana" +
           branding.getValue("appName", "manasource");
#elif defined _WIN32
        mConfigDir = getSpecialFolderLocation(CSIDL_APPDATA);
        if (mConfigDir.empty())
            mConfigDir = mLocalDataDir;
        else
            mConfigDir += "/mana/" + app;
#else
        mConfigDir = std::string(PHYSFS_getUserDir()) + "/.config/mana/" + app;
#endif
    }

    if (mkdir_r(mConfigDir.c_str()))
    {
        logger->error(strprintf(_("%s doesn't exist and can't be created! "
                                  "Exiting."), mConfigDir.c_str()));
    }

    struct stat statbuf;
    std::string newConfigFile = mConfigDir + "/config.xml";
    if (stat(newConfigFile.c_str(), &statbuf))
    {
        std::string oldConfigFile = std::string(PHYSFS_getUserDir()) +
            "/.tmw/config.xml";
        if (mRootDir.empty() && !stat(oldConfigFile.c_str(), &statbuf)
            && S_ISREG(statbuf.st_mode))
        {
            std::ifstream oldConfig;
            std::ofstream newConfig;
            logger->log("Copying old TMW settings.");

            oldConfig.open(oldConfigFile.c_str(), std::ios::binary);
            newConfig.open(newConfigFile.c_str(), std::ios::binary);

            if (!oldConfig.is_open() || !newConfig.is_open())
                logger->log("Unable to copy old settings.");
            else
            {
                newConfig << oldConfig.rdbuf();
                newConfig.close();
                oldConfig.close();
            }
        }
    }
}

/**
 * Initialize configuration.
 */
void Client::initConfiguration()
{
    // Fill configuration with defaults
    config.setValue("hwaccel", false);
#if defined __APPLE__ && defined USE_OPENGL
    config.setValue("opengl", true);
#else
    config.setValue("opengl", false);
#endif
    config.setValue("screen", false);
    config.setValue("sound", true);
    config.setValue("guialpha", 0.8f);
    config.setValue("remember", true);
    config.setValue("sfxVolume", 100);
    config.setValue("musicVolume", 60);
    config.setValue("fpslimit", 60);
    std::string defaultUpdateHost = branding.getValue("defaultUpdateHost", "");
    config.setValue("updatehost", defaultUpdateHost);
    config.setValue("customcursor", true);
    config.setValue("useScreenshotDirectorySuffix", true);
    config.setValue("ChatLogLength", 128);
    config.setValue("disableTransparency", false);

    // Checking if the configuration file exists... otherwise create it with
    // default options.
    FILE *configFile = 0;
    std::string configPath;

    configPath = mConfigDir + "/config.xml";

    configFile = fopen(configPath.c_str(), "r");

    // If we can't read it, it doesn't exist !
    if (!configFile)
    {
        // We reopen the file in write mode and we create it
        configFile = fopen(configPath.c_str(), "wt");
    }
    if (!configFile)
    {
       logger->log("Can't create %s. Using defaults.", configPath.c_str());
    }
    else
    {
        fclose(configFile);
        config.init(configPath);
    }
}

/**
 * Parse the update host and determine the updates directory
 * Then verify that the directory exists (creating if needed).
 */
void Client::initUpdatesDir()
{
    // If updatesHost is currently empty, fill it from config file
    if (mUpdateHost.empty())
        mUpdateHost = config.getStringValue("updatehost");

    // Exit on empty update host.
    if (mUpdateHost.empty())
        return;

    logger->log("Setting update host: %s", mUpdateHost.c_str());

    std::string updateHost = getHostNameFromURL(mUpdateHost);

    // Exit on a wrong update host.
    if (updateHost.length() < 2)
    {
        // Show the original updateHostname in the error message.
        errorMessage = strprintf(_("Invalid update host: %s"),
                                 mUpdateHost.c_str());
        mState = STATE_ERROR;
        return;
    }

    mUpdateHost = updateHost;
    mUpdatesDir = "updates/" + mUpdateHost;

    ResourceManager *resman = ResourceManager::getInstance();

    // Verify that the updates directory exists. Create if necessary.
    if (!resman->isDirectory("/" + mUpdatesDir))
    {
        if (!resman->mkdir("/" + mUpdatesDir))
        {
#if defined _WIN32
            std::string newDir = mLocalDataDir + "\\" + mUpdatesDir;
            std::string::size_type loc = newDir.find("/", 0);

            while (loc != std::string::npos)
            {
                newDir.replace(loc, 1, "\\");
                loc = newDir.find("/", loc);
            }

            if (!CreateDirectory(newDir.c_str(), 0) &&
                GetLastError() != ERROR_ALREADY_EXISTS)
            {
                logger->log("Error: %s can't be made, but doesn't exist!",
                            newDir.c_str());
                errorMessage =
                    strprintf(_("Error creating updates directory!\n(%s)"),
                                newDir.c_str());
                mState = STATE_ERROR;
            }
#else
            logger->log("Error: %s/%s can't be made, but doesn't exist!",
                        mLocalDataDir.c_str(), mUpdatesDir.c_str());
            errorMessage =
                strprintf(_("Error creating updates directory!\n(%s/%s)"),
                            mLocalDataDir.c_str(), mUpdatesDir.c_str());
            mState = STATE_ERROR;
#endif
        }
    }
}

void Client::initScreenshotDir()
{
    if (!mOptions.screenshotDir.empty())
    {
        mScreenshotDir = mOptions.screenshotDir;
    }
    else if (mScreenshotDir.empty())
    {
#ifdef _WIN32
        mScreenshotDir = getSpecialFolderLocation(CSIDL_MYPICTURES);
        if (mScreenshotDir.empty())
            mScreenshotDir = getSpecialFolderLocation(CSIDL_DESKTOP);
#else
        mScreenshotDir = std::string(PHYSFS_getUserDir()) + "Desktop";
#endif

        if (config.getBoolValue("useScreenshotDirectorySuffix"))
        {
            std::string configScreenshotSuffix =
                config.getValue("screenshotDirectorySuffix",
                                branding.getValue("appShort", "Mana"));

            if (!configScreenshotSuffix.empty())
            {
                mScreenshotDir += "/" + configScreenshotSuffix;
                config.setValue("screenshotDirectorySuffix",
                                configScreenshotSuffix);
            }
        }
    }
}

void Client::accountLogin(LoginData *loginData)
{
    logger->log("Username is %s", loginData->username.c_str());

    // Send login infos
    if (loginData->registerLogin)
        Net::getLoginHandler()->registerAccount(loginData);
    else
        Net::getLoginHandler()->loginAccount(loginData);

    // Clear the password, avoids auto login when returning to login
    loginData->password = "";

    // TODO This is not the best place to save the config, but at least better
    // than the login gui window
    if (loginData->remember)
        config.setValue("username", loginData->username);
    config.setValue("remember", loginData->remember);
}

void Client::resizeVideo(int width, int height)
{
    // Keep a minimum size. This isn't adhered to by the actual window, but
    // it keeps some window positions from getting messed up.
    width = std::max(640, width);
    height = std::max(480, height);

    if (graphics->getWidth() == width && graphics->getHeight() == height)
        return;

    if (graphics->resize(width, height))
    {
        gui->videoResized();

        if (mDesktop)
            mDesktop->setSize(width, height);

        if (mSetupButton)
            mSetupButton->setPosition(width - mSetupButton->getWidth() - 3, 3);

        if (mGame)
            mGame->videoResized(width, height);

        gui->draw();

        // Since everything appears to have worked out, remember to store the
        // new size in the configuration.
        config.setValue("screenwidth", width);
        config.setValue("screenheight", height);
    }
}