MusicProcess.h

Go to the documentation of this file.

/*
Copyright (C) 2003-2007 The Pentagram team

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 (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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/


#ifndef MUSICPROCESS_H_INCLUDED
#define MUSICPROCESS_H_INCLUDED

#include "Process.h"
#include "intrinsics.h"

class MidiDriver;

class MusicProcess : public Process
{
public:
        MusicProcess();
        MusicProcess(MidiDriver *);     // Note that this does NOT delete the driver
        virtual ~MusicProcess();

        // p_dynamic_cast stuff
        ENABLE_RUNTIME_CLASSTYPE();

        static MusicProcess     * get_instance() { return the_music_process; }

        void playMusic(int track);
        void playCombatMusic(int track);
        void queueMusic(int track);
        void unqueueMusic();
        void restoreMusic();

        INTRINSIC(I_playMusic);
        INTRINSIC(I_musicStop);


        int getTrack() const { return wanted_track; }

        virtual bool run(const uint32 framenum);

        bool loadData(IDataSource* ids, uint32 version);

        // MusicProcess::playMusic console command
        static void ConCmd_playMusic(const Console::ArgvType &argv);

private:
        virtual void saveData(ODataSource* ods);

        void playMusic_internal(int track);

        static MusicProcess     *       the_music_process;

        MidiDriver * driver;
        int                     state;
        int                     current_track;          // Currently playing track (don't save)
        int                     wanted_track;           // Track we want to play (save this)
        int                     song_branches[128];

        int                     last_request;           // Last requested track
        int                     queued_track;           // Track queued to start after current

        enum MusicStates {
                MUSIC_NORMAL                            = 1,
                MUSIC_TRANSITION                        = 2,
                MUSIC_PLAY_WANTED                       = 3
        };
};


#endif //MUSICPROCESS_H_INCLUDED

---