/*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
*
* 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; version 2 of the License
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @brief SDLInteraction class implementation
*/
#include "SDL.h"
#include "SDL_mixer.h"
#include "HWApplication.h"
#include "sdlkeys.h"
#include "hwform.h" /* you know, we could just put a config singleton lookup function in gameuiconfig or something... */
#include "gameuiconfig.h"
#include "SDLInteraction.h"
#include "physfsrwops.h"
SDLInteraction & SDLInteraction::instance()
{
static SDLInteraction instance;
return instance;
}
SDLInteraction::SDLInteraction()
{
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
m_audioInitialized = false;
m_music = NULL;
m_musicTrack = "";
m_isPlayingMusic = false;
lastchannel = 0;
int i;
// Initialize sdlkeys_iskeyboard
for (i=0; i<1024; i++) {
// First 7 entries are mouse buttons (see sdlkeys.cpp)
if ((i > 6) && (sdlkeys[i][0][0] != '\0'))
sdlkeys_iskeyboard[i] = true;
else
sdlkeys_iskeyboard[i] = false;
}
if(SDL_NumJoysticks())
addGameControllerKeys();
// Add special "none" key at the end of list
i = 0;
while(i < 1024 && sdlkeys[i][1][0] != '\0')
i++;
sprintf(sdlkeys[i][0], "none");
sprintf(sdlkeys[i][1], "%s", HWApplication::translate("binds (keys)", unboundcontrol).toUtf8().constData());
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
m_soundMap = new QMap<QString,Mix_Chunk*>();
}
SDLInteraction::~SDLInteraction()
{
stopMusic();
if (m_audioInitialized)
{
if (m_music != NULL)
{
Mix_HaltMusic();
Mix_FreeMusic(m_music);
}
Mix_CloseAudio();
}
SDL_Quit();
delete m_soundMap;
}
QStringList SDLInteraction::getResolutions() const
{
QStringList result;
int modesNumber = SDL_GetNumDisplayModes(0);
SDL_DisplayMode mode;
for(int i = 0; i < modesNumber; ++i)
{
SDL_GetDisplayMode(0, i, &mode);
if ((mode.w >= 640) && (mode.h >= 480))
result << QString("%1x%2").arg(mode.w).arg(mode.h);
}
return result;
}
void SDLInteraction::addGameControllerKeys() const
{
QStringList result;
#if SDL_VERSION_ATLEAST(2, 0, 0)
int i = 0;
while(i < 1024 && sdlkeys[i][1][0] != '\0')
i++;
// Iterate through all game controllers
qDebug("Detecting controllers ...");
for(int jid = 0; jid < SDL_NumJoysticks(); jid++)
{
SDL_Joystick* joy = SDL_JoystickOpen(jid);
// Retrieve the game controller's name
QString joyname = QString(SDL_JoystickNameForIndex(jid));
// Strip "Controller (...)" that's added by some drivers (English only)
joyname.replace(QRegExp("^Controller \\((.*)\\)$"), "\\1");
qDebug("- Controller no. %d: %s", jid, qPrintable(joyname));
// Connected Xbox 360 controller? Use specific button names then
// Might be interesting to add 'named' buttons for the most often used gamepads
bool isxb = joyname.contains("Xbox 360");
// This part of the string won't change for multiple keys/hats, so keep it
QString prefix = QString("%1 (%2): ").arg(joyname).arg(jid + 1);
// Register entries for missing axes not assigned to sticks of this joystick/gamepad
for(int aid = 0; aid < SDL_JoystickNumAxes(joy) && i < 1021; aid++)
{
QString axis = prefix + HWApplication::translate("binds (keys)", controlleraxis).arg(aid + 1);
// Entry for "Axis Up"
sprintf(sdlkeys[i][0], "j%da%du", jid, aid);
sprintf(sdlkeys[i++][1], "%s", ((isxb && aid < 5) ? (prefix + HWApplication::translate("binds (keys)", xbox360axes[aid * 2])) : (axis.arg(HWApplication::translate("binds (keys)", controllerup)))).toUtf8().constData());
// Entry for "Axis Down"
sprintf(sdlkeys[i][0], "j%da%dd", jid, aid);
sprintf(sdlkeys[i++][1], "%s", ((isxb && aid < 5) ? (prefix + HWApplication::translate("binds (keys)", xbox360axes[aid * 2 + 1])) : (axis.arg(HWApplication::translate("binds (keys)", controllerdown)))).toUtf8().constData());
}
// Register entries for all coolie hats of this joystick/gamepad
for(int hid = 0; hid < SDL_JoystickNumHats(joy) && i < 1019; hid++)
{
// Again store the part of the string not changing for multiple uses
QString hat = prefix + (isxb ? (HWApplication::translate("binds (keys)", xb360dpad) + QString(" ")) : HWApplication::translate("binds (keys)", controllerhat).arg(hid + 1));
// Entry for "Hat Up"
sprintf(sdlkeys[i][0], "j%dh%du", jid, hid);
sprintf(sdlkeys[i++][1], "%s", hat.arg(HWApplication::translate("binds (keys)", controllerup)).toUtf8().constData());
// Entry for "Hat Down"
sprintf(sdlkeys[i][0], "j%dh%dd", jid, hid);
sprintf(sdlkeys[i++][1], "%s", hat.arg(HWApplication::translate("binds (keys)", controllerdown)).toUtf8().constData());
// Entry for "Hat Left"
sprintf(sdlkeys[i][0], "j%dh%dl", jid, hid);
sprintf(sdlkeys[i++][1], "%s", hat.arg(HWApplication::translate("binds (keys)", controllerleft)).toUtf8().constData());
// Entry for "Hat Right"
sprintf(sdlkeys[i][0], "j%dh%dr", jid, hid);
sprintf(sdlkeys[i++][1], "%s", hat.arg(HWApplication::translate("binds (keys)", controllerright)).toUtf8().constData());
}
// Register entries for all buttons of this joystick/gamepad
for(int bid = 0; bid < SDL_JoystickNumButtons(joy) && i < 1022; bid++)
{
// Buttons
sprintf(sdlkeys[i][0], "j%db%d", jid, bid);
sprintf(sdlkeys[i++][1], "%s", (prefix + ((isxb && bid < 10) ? (HWApplication::translate("binds (keys)", xb360buttons[bid]) + QString(" ")) : HWApplication::translate("binds (keys)", controllerbutton).arg(bid + 1))).toUtf8().constData());
}
// Close the game controller as we no longer need it
SDL_JoystickClose(joy);
}
if(i >= 1024)
i = 1023;
// Terminate the list
sdlkeys[i][0][0] = '\0';
sdlkeys[i][1][0] = '\0';
#endif
}
void SDLInteraction::SDLAudioInit()
{
// don't init again
if (m_audioInitialized)
return;
SDL_Init(SDL_INIT_AUDIO);
if(!Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 1024)) /* should we keep trying, or just turn off permanently? */
m_audioInitialized = true;
}
void SDLInteraction::playSoundFile(const QString & soundFile)
{
if (!HWForm::config || !HWForm::config->isFrontendSoundEnabled()) return;
SDLAudioInit();
if (!m_audioInitialized) return;
if (!m_soundMap->contains(soundFile))
m_soundMap->insert(soundFile, Mix_LoadWAV_RW(PHYSFSRWOPS_openRead(soundFile.toLocal8Bit().constData()), 1));
//FIXME: this is a hack, but works as long as we have few concurrent playing sounds
if (Mix_Playing(lastchannel) == false)
lastchannel = Mix_PlayChannel(-1, m_soundMap->value(soundFile), 0);
}
void SDLInteraction::setMusicTrack(const QString & musicFile)
{
bool wasPlayingMusic = m_isPlayingMusic;
stopMusic();
if (m_music != NULL)
{
Mix_FreeMusic(m_music);
m_music = NULL;
}
m_musicTrack = musicFile;
if (wasPlayingMusic)
startMusic();
}
void SDLInteraction::startMusic()
{
if (m_isPlayingMusic)
return;
m_isPlayingMusic = true;
if (m_musicTrack.isEmpty())
return;
SDLAudioInit();
if (!m_audioInitialized) return;
if (m_music == NULL)
m_music = Mix_LoadMUS_RW(PHYSFSRWOPS_openRead(m_musicTrack.toLocal8Bit().constData()), 0);
Mix_VolumeMusic(MIX_MAX_VOLUME/4);
Mix_FadeInMusic(m_music, -1, 1750);
}
void SDLInteraction::stopMusic()
{
if (m_isPlayingMusic && (m_music != NULL))
{
// fade out music to finish 0,5 seconds from now
while(!Mix_FadeOutMusic(1000) && Mix_PlayingMusic())
{
SDL_Delay(100);
}
}
m_isPlayingMusic = false;
}
QSize SDLInteraction::getCurrentResolution()
{
SDL_DisplayMode mode;
SDL_GetDesktopDisplayMode(0, &mode);
return QSize(mode.w, mode.h);
}