C:/Users/Public/AGS Final Folder/BFLETCHER D4010283/Source/Game/Source/Song.h

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#ifndef _SONG_H_
#define _SONG_H_

#include "ISound.h"

#define MAX_TRACKS 3
#define MAX_BARS 20
#define BAR_LENGTH 4.0f //4 is a good number as it creates 4:4 timing, to do other non 1:1 timing is more complicated
#define NUM_SCALES 7
#define SCALE_LENGTH 7
#define VOLUME_AMPLITUDE 10000

typedef unsigned int UInt;
typedef unsigned char Uint8;
typedef short int Sint16;

class SongSection
{
        public:
        SongSection();
        ~SongSection();

        bool Initialise(const UInt &bpm, const UInt &length);
        Sint16* GetBuffer(const UInt &position, const int &len);
        void Output();

        UInt GetSectionLength() { return m_timePerSection; }

        enum eBarNoteLength
        {
                eOneNote = 0,
                eTwoNotes,
                eFourNotes,
                eEightNotes,
                eNumNotesTypes
        };

        struct SBar
        {
                SBar() : pFrequencies(0), numFreqs(0), timePerFreq(0) {}
                ~SBar() { if(pFrequencies) delete[] pFrequencies; }

                float* pFrequencies;
                UInt numFreqs, timePerFreq;
        };

        struct STrack
        {
                STrack() : pBars(0), numBars(0), pUniqueBars(0), numUniqueBars(0) {}
                ~STrack() { if(pBars) delete[] pBars; if(pUniqueBars) delete[] pUniqueBars; }
                SBar** pBars;
                SBar* pUniqueBars;
                UInt numBars, numUniqueBars, timePerBar;
        };

        protected:
        STrack* m_pTracks;
        static float* m_pTrackDegreesOnWave;
        UInt m_numTracks, m_timePerSection;
};

class Song : public ISound
{
        public:
        Song();
        ~Song();

        void Initialise(const bool &bPreCreate, const UInt &bpm, const UInt &numUniqueSections, const UInt &lengthInSections, const UInt &timePerSection);
        void Output();
        virtual Sint16* GetBuffer(const UInt &position, const int &len, bool isLooping = false);

        protected:
        Sint16* GetDynamicBuffer(const UInt &pos, const int &len);
        char* m_name;

        bool m_bIsPreCreated;
        UInt m_lastBufferRequested;
        Sint16** m_pSongData;
        UInt m_numSampleSets;

        SongSection** m_pSongSections;
        SongSection* m_pUniqueSections;
        UInt m_numSections, m_length, m_timePerSection, m_bpm, m_lastPointPlayed;
};

#endif

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