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#define MUSIC_IT AL_ID('I','M','P','M')
typedef struct MODULUS_MUSIC_INFO {
char Name[29];
int Type;
} MODULUS_MUSIC_INFO;
#define ENVELOPE_ON 1
#define ENVELOPE_LOOP_ON 2
#define ENVELOPE_SUSTAINLOOP 4
typedef struct MODULUS_ENVELOPE {
unsigned char Flag,
NumNodes,
LoopBegin, LoopEnd, SustainLoopBegin, SustainLoopEnd; //in nodes.
char NodeY[25];
short NodeTick[25];
} MODULUS_ENVELOPE;
typedef struct MODULUS_VENVELOPE {
char CurNode;
unsigned char CurTick;
char End;
//float CVolume;
MODULUS_ENVELOPE *Envelope;
} MODULUS_VENVELOPE;
#define NNA_NOTECUT 1
#define NNA_NOTECONTINUE 2
#define NNA_NOTEOFF 3
#define NNA_NOTEFADE 4
#define DCT_OFF 0
#define DCT_NOTE 1
#define DCT_SAMPLE 2
#define DCT_INSTRUMENT 3
#define DCA_CUT 0
#define DCA_NOTEOFF 1
#define DCA_NOTEFADE 2
typedef struct MOULUS_INSTRUMENT {
unsigned char Flag;
char VolumeLoopNodeStart, VolumeLoopNodeEnd;
char SustainLoopNodeStart, SustainLoopNodeEnd;
char DuplicateCheckType;
char DuplicateCheckAction;
char NewNoteAction;
int FadeOut;
unsigned char PitchPanSeperation, //0->64, Bit7: Don't use
PitchPanCenter; //Note, from C-0 to B-9
unsigned char GlobalVolume, //0->128
DefaultPan; //0->64, Bit7: Don't use
unsigned char NoteSample[120];
unsigned char NoteNote[120];
MODULUS_ENVELOPE VolumeEnvelope, PanningEnvelope, PitchEnvelope;
} MODULUS_INSTRUMENT;
#define SAMPLE_HASSAMPLE 1
#define SAMPLE_16BIT 2
#define SAMPLE_STEREO 4
#define SAMPLE_USELOOP 16
#define SAMPLE_USESUSTAINLOOP 32
#define SAMPLE_PINGPONGLOOP 64
#define SAMPLE_PINGPONGSUSTAINLOOP 128
#define VIBRATO_SINE 0
#define VIBRATO_RAMPDOWN 1
#define VIBRATO_SQUARE 2
#define VIBRATO_RANDOM 3
typedef struct MODULUS_SAMPLE {
unsigned char GlobalVolume; //0->64
unsigned char Flag;
unsigned char Volume;
int SampleLength; //in samples, not bytes !
int LoopBegin, LoopEnd; //in samples
int SustainLoopBegin, SustainLoopEnd;
int C5Speed; //Number of bytes/sec for C-5
SAMPLE *Sample;
char VibratoSpeed; //0->64
char VibratoDepth; //0->64
char VibratoWaveForm;
char VibratoRate; //0->64
} MODULUS_SAMPLE;
typedef struct MODULUS_NOTE {
char Mask; //If Bit0: Note, Bit1: Instrument, Bit2: Volume, Bit3: Panning, Bit4: Command
char Channel; //if -1, then end of row.
unsigned char Note;
char Instrument;
unsigned char Volume, Panning;
unsigned char Command, CommandValue;
} MODULUS_NOTE;
typedef struct MODULUS_PATTERN {
int NumRows;
int NumNotes;
MODULUS_NOTE *Note;
} MODULUS_PATTERN;
typedef struct MODULUS_VCHANNEL {
MODULUS_SAMPLE *Sample; //NULL is unused
char voice;
char ChannelVolume;
char NoteOn;
char NNA;
short FadeOutCount, FadeOut;
float MixVolume, MixPan;
MODULUS_VENVELOPE *VVolumeEnvelope, *VPanningEnvelope, *VPitchEnvelope;
MODULUS_VCHANNEL *next, *prev;
} MODULUS_VCHANNEL;
typedef struct MODULUS_CHANNEL {
unsigned char Volume; //0->64
unsigned char Pan; //0->32->64, 100 = surround, Bit7: Disable
char LastNote, LastInstrument, LastSample;
MODULUS_VCHANNEL *VChannel;
} MODULUS_CHANNEL;
#define FLAG_STEREO 1
#define FLAG_USEINSTRUMENTS 4
#define FLAG_LINEARSLIDES 8
#define FLAG_OLDEFFECT 16
typedef struct MODULUS {
MODULUS_INSTRUMENT *Instrument;
MODULUS_SAMPLE *Sample;
MODULUS_PATTERN *Pattern;
int NumOrders;
int NumInstruments;
int NumSamples;
int NumPatterns;
int Flags;
short Version;
char GlobalVolume;
char MixVolume;
unsigned char Speed, Tempo;
char PanningSeperation;
unsigned char *Order;
MODULUS_CHANNEL Channel[64];
} MODULUS;
#define COMMAND_SET_SONG_SPEED 1
#define COMMAND_JUMP_TO_ORDER 2
#define COMMAND_PATTERN_BREAK_TO_ROW 3
#define COMMAND_SET_CHANNEL_VOLUME 13
#define COMMAND_SET_SONG_TEMPO 20
#define COMMAND_SET_GLOBAL_VOLUME 22
typedef struct MODULUS_PLAY {
MODULUS *Music;
int Loop, Tick;
int CurOrder, CurPattern, CurPos;
int Command, CommandVal0, CommandVal1, CommandVal2;
int pos;
} MODULUS_PLAY;
extern MODULUS_PLAY *song;
extern int IT_Play_Method;
MODULUS *load_it(char*);
int get_module_size(MODULUS *);
int play_it(MODULUS *j, int loop);
void install_modulus();
void set_mix_volume(int i);
void stop_it();
int is_music_done();
void destroy_it(MODULUS *j);
//Should be internal:
extern MODULUS_PLAY *song;
extern int note_freq[120];
extern void MOD_Interrupt(...);
extern int MOD_Poller(void*);
#define IT_TIMER 0
#define IT_POLL 1
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