khanat-opennel-code/code/ryzom/client/src/interface_v3/music_player.cpp

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2010-05-06 00:08:41 +00:00
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
#include "music_player.h"
#include "action_handler.h"
#include "../input.h"
#include "../sound_manager.h"
#include "interface_manager.h"
using namespace std;
using namespace NLMISC;
using namespace NL3D;
#ifdef NL_OS_WINDOWS
extern HINSTANCE HInstance;
#endif
extern UDriver *Driver;
CMusicPlayer MusicPlayer;
// ***************************************************************************
CMusicPlayer::CMusicPlayer ()
{
_CurrentSong = 0;
_State = Stopped;
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}
// ***************************************************************************
void CMusicPlayer::playSongs (const std::vector<CSongs> &songs)
{
_Songs = songs;
_CurrentSong = 0;
// If pause, stop, else play will resume
if (_State == Paused)
_State = Stopped;
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play ();
}
// ***************************************************************************
void CMusicPlayer::play ()
{
if(!SoundMngr)
return;
if (!_Songs.empty())
{
nlassert (_CurrentSong<_Songs.size());
/* If the player is paused, resume, else, play the current song */
if (_State == Paused)
SoundMngr->resumeMusic();
else
SoundMngr->playMusic(_Songs[_CurrentSong].Filename, 0, true, false, false);
_State = Playing;
/* Show the song title */
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewText *pVT = dynamic_cast<CViewText*>(pIM->getElementFromId("ui:interface:mp3_player:screen:text"));
if (pVT)
pVT->setText (_Songs[_CurrentSong].Title);
}
}
// ***************************************************************************
void CMusicPlayer::pause ()
{
if(!SoundMngr)
return;
// pause the music only if we are really playing (else risk to pause a background music!)
if(_State==Playing)
{
SoundMngr->pauseMusic();
_State = Paused;
}
}
// ***************************************************************************
void CMusicPlayer::previous ()
{
if (!_Songs.empty())
{
// Point the previous song
if (_CurrentSong == 0)
_CurrentSong = (uint)_Songs.size()-1;
else
_CurrentSong--;
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play ();
}
}
// ***************************************************************************
void CMusicPlayer::next ()
{
if (!_Songs.empty())
{
_CurrentSong++;
_CurrentSong%=_Songs.size();
play ();
}
}
// ***************************************************************************
void CMusicPlayer::update ()
{
if(!SoundMngr)
return;
if (_State == Playing)
{
if (SoundMngr->isMusicEnded ())
{
// Point the next song
_CurrentSong++;
_CurrentSong%=_Songs.size();
// End of the playlist ?
if (_CurrentSong != 0)
{
// No, play the next song
play ();
}
else
{
SoundMngr->stopMusic(0);
_State = Stopped;
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}
}
}
}
// ***************************************************************************
class CMusicPlayerPlaySongs: public IActionHandler
{
public:
virtual void execute(CCtrlBase * /* pCaller */, const string &Params)
{
if(!SoundMngr)
return;
if (Params == "play_songs")
{
#ifdef NL_OS_WINDOWS
// Backup the current directory
string currentPath = CPath::getCurrentPath ();
// Hardware mouse
bool wasHardware = IsMouseCursorHardware ();
InitMouseWithCursor (true);
Driver->showCursor (true);
if (false) //supportUnicode())
{
}
else
{
static char szFilter[] =
"All Supported Files\0*.mp3;*.mp2;*.mp1;*.ogg;*.m3u\0"
"MPEG Audio Files (*.mp3;*.mp2;*.mp1)\0*.mp3;*.mp2;*.mp1\0"
"Vorbis Files (*.ogg)\0*.ogg\0"
"Playlist Files (*.m3u)\0*.m3u\0"
"All Files (*.*)\0*.*\0"
"\0";
// Filename buffer
char buffer[65535];
buffer[0]=0;
OPENFILENAME ofn;
memset (&ofn, 0, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = Driver ? Driver->getDisplay():NULL;
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ofn.hInstance = HInstance;
ofn.lpstrFilter = szFilter;
ofn.nFilterIndex = 0;
ofn.lpstrFile = buffer;
ofn.nMaxFile = sizeof(buffer);
ofn.lpstrTitle = "Play songs";
ofn.Flags = OFN_OVERWRITEPROMPT|OFN_ALLOWMULTISELECT|OFN_ENABLESIZING|OFN_EXPLORER;
if (Driver)
Driver->beginDialogMode();
if (GetOpenFileName (&ofn))
{
// Skip the directory name
const char *bufferPtr = buffer;
// Multi filename ?
string path;
if (ofn.nFileOffset>strlen(buffer))
{
// Backup the path and point to the next filename
path = buffer;
path += "\\";
bufferPtr+=strlen(bufferPtr)+1;
}
// Get selected files and playlists
std::vector<std::string> filenames;
std::vector<std::string> playlists;
while (*bufferPtr)
{
// Concat the directory name with the filename
if (strlwr (CFile::getExtension(bufferPtr)) == "m3u")
playlists.push_back (path+bufferPtr);
else
filenames.push_back (path+bufferPtr);
bufferPtr+=strlen(bufferPtr)+1;
}
// Sort songs by filename
sort (filenames.begin(), filenames.end());
// Add playlist
uint i;
for (i=0; i<playlists.size(); i++)
{
// Get the path of the playlist
string basePlaylist = CFile::getPath (playlists[i]);
FILE *file = fopen (playlists[i].c_str(), "r");
if (file)
{
char line[512];
while (fgets (line, 512, file))
{
// Not a comment line
string lineStr = trim (std::string(line));
if (lineStr[0] != '#')
filenames.push_back (basePlaylist+lineStr);
}
fclose (file);
}
}
// Build the songs array
std::vector<CMusicPlayer::CSongs> songs;
for (i=0; i<filenames.size(); i++)
{
CMusicPlayer::CSongs song;
song.Filename = filenames[i];
SoundMngr->getMixer()->getSongTitle(filenames[i], song.Title);
songs.push_back (song);
}
MusicPlayer.playSongs(songs);
}
if (Driver)
Driver->endDialogMode();
}
// Restaure mouse
InitMouseWithCursor (wasHardware);
Driver->showCursor (wasHardware);
// Restaure current path
CPath::setCurrentPath (currentPath.c_str());
#endif // NL_OS_WINDOWS
}
else if (Params == "previous")
MusicPlayer.previous();
else if (Params == "play")
MusicPlayer.play();
else if (Params == "pause")
MusicPlayer.pause();
else if (Params == "next")
MusicPlayer.next();
else
{
string volume = getParam(Params, "volume");
if (!volume.empty())
{
CInterfaceExprValue result;
if (CInterfaceExpr::eval (volume, result))
{
if (result.toDouble ())
{
float value = (float)result.getDouble() / 255.f;
clamp (value, 0, 1);
SoundMngr->setUserMusicVolume (value);
}
}
}
}
}
};
REGISTER_ACTION_HANDLER( CMusicPlayerPlaySongs, "music_player");