1 /*

     2  * Hedgewars, a free turn based strategy game

     3  * Copyright (c) 2007-2011 Andrey Korotaev <unC0Rr@gmail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

    17  */

    18 

    19 

    20 #include "SDL.h"

    21 #include "SDL_mixer.h"

    22 

    23 #include "HWDataManager.h"

    24 

    25 #include "HWApplication.h"

    26 

    27 #include "SDLInteraction.h"

    28 

    29 extern char sdlkeys[1024][2][128];

    30 extern char xb360buttons[][128];

    31 extern char xb360dpad[128];

    32 extern char xbox360axes[][128];

    33 

    34 

    35 SDLInteraction & SDLInteraction::instance()

    36 {

    37     static SDLInteraction instance;

    38     return instance;

    39 }

    40 

    41 

    42 SDLInteraction::SDLInteraction()

    43 {

    44 

    45     SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);

    46 

    47     musicInitialized = 0;

    48     music = NULL;

    49     if(SDL_NumJoysticks())

    50         addGameControllerKeys();

    51     SDL_QuitSubSystem(SDL_INIT_JOYSTICK);

    52 

    53     soundMap = new QMap<QString,Mix_Chunk*>();

    54 }

    55 

    56 SDLInteraction::~SDLInteraction()

    57 {

    58     stopMusic();

    59     if (musicInitialized == 1) {

    60         if (music != NULL)

    61             Mix_FreeMusic(music);

    62         Mix_CloseAudio();

    63     }

    64     SDL_Quit();

    65 

    66     delete soundMap;

    67 }

    68 

    69 QStringList SDLInteraction::getResolutions() const

    70 {

    71     QStringList result;

    72 

    73     SDL_Rect **modes;

    74 

    75     modes = SDL_ListModes(NULL, SDL_FULLSCREEN);

    76 

    77     if((modes == (SDL_Rect **)0) || (modes == (SDL_Rect **)-1))

    78     {

    79         result << "640x480";

    80     } else

    81     {

    82         for(int i = 0; modes[i]; ++i)

    83             if ((modes[i]->w >= 640) && (modes[i]->h >= 480))

    84                 result << QString("%1x%2").arg(modes[i]->w).arg(modes[i]->h);

    85     }

    86 

    87     return result;

    88 }

    89 

    90 void SDLInteraction::addGameControllerKeys() const

    91 {

    92     QStringList result;

    93 

    94     int i = 0;

    95     while(i < 1024 && sdlkeys[i][1][0] != '\0')

    96         i++;

    97 

    98     // Iterate through all game controllers

    99     for(int jid = 0; jid < SDL_NumJoysticks(); jid++)

   100     {

   101         SDL_Joystick* joy = SDL_JoystickOpen(jid);

   102 

   103         // Retrieve the game controller's name and strip "Controller (...)" that's added by some drivers (English only)

   104         QString joyname = QString(SDL_JoystickName(jid)).replace(QRegExp("^Controller \\((.*)\\)$"), "\\1");

   105 

   106         // Connected Xbox 360 controller? Use specific button names then

   107         // Might be interesting to add 'named' buttons for the most often used gamepads

   108         bool isxb = joyname.contains("Xbox 360");

   109 

   110         // This part of the string won't change for multiple keys/hats, so keep it

   111         QString prefix = QString("%1 (%2): ").arg(joyname).arg(jid + 1);

   112 

   113         // Register entries for missing axes not assigned to sticks of this joystick/gamepad

   114         for(int aid = 0; aid < SDL_JoystickNumAxes(joy) && i < 1021; aid++)

   115         {

   116             // Again store the part of the string not changing for multiple uses

   117             QString axis = prefix + HWApplication::translate("binds (keys)", "Axis") + QString(" %1 ").arg(aid + 1);

   118 

   119             // Entry for "Axis Up"

   120             sprintf(sdlkeys[i][0], "j%da%du", jid, aid);

   121             sprintf(sdlkeys[i++][1], "%s", ((isxb && aid < 5) ? (prefix + HWApplication::translate("binds (keys)", xbox360axes[aid * 2])) : axis + HWApplication::translate("binds (keys)", "(Up)")).toUtf8().constData());

   122 

   123             // Entry for "Axis Down"

   124             sprintf(sdlkeys[i][0], "j%da%dd", jid, aid);

   125             sprintf(sdlkeys[i++][1], "%s", ((isxb && aid < 5) ? (prefix + HWApplication::translate("binds (keys)", xbox360axes[aid * 2 + 1])) : axis + HWApplication::translate("binds (keys)", "(Down)")).toUtf8().constData());

   126         }

   127 

   128         // Register entries for all coolie hats of this joystick/gamepad

   129         for(int hid = 0; hid < SDL_JoystickNumHats(joy) && i < 1019; hid++)

   130         {

   131             // Again store the part of the string not changing for multiple uses

   132             QString hat = prefix + (isxb ? (HWApplication::translate("binds (keys)", xb360dpad) + QString(" ")) : HWApplication::translate("binds (keys)", "Hat") + QString(" %1 ").arg(hid + 1));

   133 

   134             // Entry for "Hat Up"

   135             sprintf(sdlkeys[i][0], "j%dh%du", jid, hid);

   136             sprintf(sdlkeys[i++][1], "%s", (hat + HWApplication::translate("binds (keys)", "(Up)")).toUtf8().constData());

   137 

   138             // Entry for "Hat Down"

   139             sprintf(sdlkeys[i][0], "j%dh%dd", jid, hid);

   140             sprintf(sdlkeys[i++][1], "%s", (hat + HWApplication::translate("binds (keys)", "(Down)")).toUtf8().constData());

   141 

   142             // Entry for "Hat Left"

   143             sprintf(sdlkeys[i][0], "j%dh%dl", jid, hid);

   144             sprintf(sdlkeys[i++][1], "%s", (hat + HWApplication::translate("binds (keys)", "(Left)")).toUtf8().constData());

   145 

   146             // Entry for "Hat Right"

   147             sprintf(sdlkeys[i][0], "j%dh%dr", jid, hid);

   148             sprintf(sdlkeys[i++][1], "%s", (hat + HWApplication::translate("binds (keys)", "(Right)")).toUtf8().constData());

   149         }

   150 

   151         // Register entries for all buttons of this joystick/gamepad

   152         for(int bid = 0; bid < SDL_JoystickNumButtons(joy) && i < 1022; bid++)

   153         {

   154             // Buttons

   155             sprintf(sdlkeys[i][0], "j%db%d", jid, bid);

   156             sprintf(sdlkeys[i++][1], "%s", (prefix + ((isxb && bid < 10) ? (HWApplication::translate("binds (keys)", xb360buttons[bid]) + QString(" ")) : HWApplication::translate("binds (keys)", "Button") + QString(" %1").arg(bid + 1))).toUtf8().constData());

   157         }

   158         // Close the game controller as we no longer need it

   159         SDL_JoystickClose(joy);

   160     }

   161 

   162     // Terminate the list

   163     sdlkeys[i][0][0] = '\0';

   164     sdlkeys[i][1][0] = '\0';

   165 }

   166 

   167 void SDLInteraction::SDLSoundInit()

   168 {

   169     if (musicInitialized == 0) {

   170         SDL_Init(SDL_INIT_AUDIO);

   171         Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 1024);

   172         musicInitialized = 1;

   173     }

   174 }

   175 

   176 void SDLInteraction::playSoundFile(const QString & soundFile)

   177 {

   178     SDLSoundInit();

   179     if (!soundMap->contains(soundFile))

   180         soundMap->insert(soundFile, Mix_LoadWAV(soundFile.toLocal8Bit().constData()));

   181 

   182     Mix_PlayChannel(-1, soundMap->value(soundFile), 0);

   183 }

   184 

   185 void SDLInteraction::startMusic()

   186 {

   187     SDLSoundInit();

   188     QFile * tmpFile = HWDataManager::instance().findFileForRead("Music/main_theme.ogg");

   189 

   190     if (music == NULL)

   191         music = Mix_LoadMUS(tmpFile->fileName().toLocal8Bit().constData());

   192 

   193     // this QFile isn't needed any further

   194     delete tmpFile;

   195 

   196     Mix_VolumeMusic(MIX_MAX_VOLUME - 28);

   197     Mix_FadeInMusic(music, -1, 1750);

   198 }

   199 

   200 void SDLInteraction::stopMusic()

   201 {

   202     if (music != NULL) {

   203         // fade out music to finish 0,5 seconds from now

   204         while(!Mix_FadeOutMusic(1000) && Mix_PlayingMusic()) {

   205             SDL_Delay(100);

   206         }

   207     }

   208 }

   209