cmfmcsop.h

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/*
 * SoundFX Macs Opera CMF Player -- Copyright (c) 2017 Sebastian Kienzl <seb@knzl.de>
 *
 * Part of Adplug - Replayer for many OPL2/OPL3 audio file formats.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#ifndef H_ADPLUG_CMFMACSOPERAPLAYER
#define H_ADPLUG_CMFMACSOPERAPLAYER
 
#include <vector>
#include <stdint.h>
#include "player.h"
 
class CcmfmacsoperaPlayer: public CPlayer
{
public:
        static CPlayer* factory(Copl* newopl);
 
        CcmfmacsoperaPlayer(Copl* newopl);
 
        bool load(const std::string& filename, const CFileProvider& fp);
        bool update();
        void rewind(int subsong);
        float getrefresh() { return speedRowsPerSec; };
 
        virtual std::string gettype();
        virtual unsigned int getpatterns()    { return nrOfPatterns; }
        virtual unsigned int getpattern()     { return patternOrder[currentOrderIndex]; }
        virtual unsigned int getorders()      { return nrOfOrders; }
        virtual unsigned int getorder()       { return currentOrderIndex; }
        virtual unsigned int getrow()         { return currentRow; }
        virtual unsigned int getspeed()       { return 1; }
        virtual unsigned int getinstruments() { return instruments.size(); }
        virtual std::string getinstrument(unsigned int n) { return instruments[n].name; }
 
 protected:
        struct SlotSettings {
                int16_t ksl;
                int16_t multiple;
                int16_t attackRate;
                int16_t sustainLevel;
                int16_t egType;
                int16_t decayRate;
                int16_t releaseRate;
                int16_t totalLevel;
                int16_t ampMod;
                int16_t vib;
                int16_t ksr;
                int16_t waveSelect;
        };
 
        struct Instrument {
                SlotSettings op[2];
                int16_t      feedback;
                int16_t      connection;
                char         name[14];
        };
 
        struct NoteEvent {
                uint8_t row;
                uint8_t col;
                uint8_t note;    // 4: release, 1: end of pattern, 24: C-0, 119: H-7/B#7
                uint8_t instrument;
                uint8_t volume;
                uint8_t pitch;
        };
        
        typedef std::vector<NoteEvent> Pattern;
 
        float   speedRowsPerSec;
        bool    rhythmMode;
        bool    songDone;
 
        int     nrOfPatterns;
        int16_t patternOrder[99];
        int     nrOfOrders;
 
        std::vector<Instrument> instruments;
        std::vector<Pattern> patterns;
        
        int currentOrderIndex;
        int currentRow;
        int currentPatternIndex;
        
    const Instrument* channelCurrentInstrument[11];
        int current0xBx[9];
        int current0xBD;
 
 
        bool loadInstruments(binistream* f, int nrOfInstruments);
        bool loadPatterns(binistream* f);
 
        bool isValidChannel(int channelNr) const;
        bool isRhythmChannel(int channelNr) const;
 
        void setSlot(int slotNr, const SlotSettings& settings);
        bool setInstrument(int channelNr, const Instrument& inst);
        void setAxBx(int channelNr, int Ax, int Bx);
        bool setNote(int channelNr, int note);
        void setVolume(int channelNr, int vol);
 
        void keyOn(int channelNr);
        void keyOff(int channelNr);
 
        bool advanceRow();
        void processNoteEvent(const NoteEvent &n);
 
        void resetPlayer();
};
 
#endif