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replay.c
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replay.c
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#include <stdio.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>
#define __USE_BASETYPE__ 1
#include <system_includes.h>
#include "util.h"
#include "replay.h"
#include "tables.h"
#include "gui.h"
#include "undo.h"
extern BOOL quitting;
extern int32 defnotejump, definotejump;
APTR rp_mempool = NULL;
#ifndef __SDL_WRAPPER__
#define FREQ 48000
extern uint32 gui_tick_sig;
struct Task *rp_maintask = NULL;
struct Process *rp_subtask = NULL;
int32 rp_subtask_sig = -1;
struct MsgPort *rp_msgport = NULL;
uint32 rp_sigs = 0;
uint32 rp_freq = FREQ;
float64 rp_freqf = FREQ;
uint32 rp_audiobuflen;
int8 *rp_audiobuffer[2] = { NULL, NULL };
struct MsgPort *rp_replyport = NULL;
#endif
struct rp_command *rp_mainmsg = NULL;
struct List *rp_tunelist = NULL;
struct ahx_tune *rp_curtune = NULL;
struct SignalSemaphore *rp_list_ss = NULL;
enum {
STS_IDLE = 0,
STS_PLAYNOTE,
STS_PLAYPOS,
STS_PLAYSONG,
STS_RECORDING,
STS_CALCULATING,
STS_DEADED,
STS_PLAYROW
};
uint32 rp_state = STS_IDLE;
#ifdef __SDL_WRAPPER__
volatile uint32 rp_state_ack = STS_IDLE;
#endif
extern int32 pref_defstereo;
#ifndef __SDL_WRAPPER__
// Libraries and interfaces
struct Library *AHIBase = NULL;
struct AHIIFace *IAHI = NULL;
// AHI stuff
struct MsgPort *ahi_mp;
struct AHIRequest *ahi_io[2] = { NULL, NULL };
int32 ahi_dev = -1;
#else
#define FREQ 48000
#ifdef __linux__
#define OUTPUT_LEN ((FREQ/50)*2) /* Linux can't cope with buffer being too small, so we sacrifice GUI responsiveness... */
#else
#define OUTPUT_LEN (FREQ/50)
#endif
static struct ahx_tune *rp_playtune = NULL;
int16 rp_audiobuffer[OUTPUT_LEN*2];
uint32 rp_audiobuflen = OUTPUT_LEN*2;
#endif
/*
** Waves
*/
int8 waves[WAVES_SIZE];
uint32 panning_left[256], panning_right[256];
/*
static inline void clr_l( uint32 *src, uint32 longs)
{
do {
*src++ = 0;
longs--;
} while (longs > 0);
}
*/
void rp_GenPanningTables( void )
{
uint32 i;
float64 aa, ab;
// Sine based panning table
aa = (3.14159265f*2.0f)/4.0f; // Quarter of the way through the sinewave == top peak
ab = 0.0f; // Start of the climb from zero
for( i=0; i<256; i++ )
{
panning_left[i] = (uint32)(sin(aa)*255.0f);
panning_right[i] = (uint32)(sin(ab)*255.0f);
aa += (3.14159265*2.0f/4.0f)/256.0f;
ab += (3.14159265*2.0f/4.0f)/256.0f;
}
panning_left[255] = 0;
panning_right[0] = 0;
/*
// Original panning table (linear panning == poo)
for( i=0; i<256; i++ )
{
// Compensate for -128 to 127 range (ideally we want -128 to 128)
if( i < 64 )
panning_left[i] = 256-i;
else
panning_left[i] = 255-i;
if( i > 191 )
panning_right[i] = i+1;
else
panning_right[i] = i;
if( panning_left[i] == 128 ) panning_right[i] = 128;
if( panning_right[i] == 128 ) panning_left[i] = 128;
}
*/
}
void rp_GenSawtooth( int8 *buf, uint32 len )
{
uint32 i;
int32 val, add;
add = 256 / (len-1);
val = -128;
for( i=0; i<len; i++, val += add )
*buf++ = (int8)val;
}
void rp_GenTriangle( int8 *buf, uint32 len )
{
uint32 i;
int32 d2, d5, d1, d4;
int32 val;
const int8 *buf2;
d2 = len;
d5 = len >> 2;
d1 = 128/d5;
d4 = -(d2 >> 1);
val = 0;
for( i=0; i<d5; i++ )
{
*buf++ = val;
val += d1;
}
*buf++ = 0x7f;
if( d5 != 1 )
{
val = 128;
for( i=0; i<d5-1; i++ )
{
val -= d1;
*buf++ = val;
}
}
buf2 = buf + d4;
for( i=0; i<d5*2; i++ )
{
int8 c;
c = *buf2++;
if( c == 0x7f )
c = 0x80;
else
c = -c;
*buf++ = c;
}
}
void rp_GenSquare( int8 *buf )
{
uint32 i, j;
for( i=1; i<=0x20; i++ )
{
for( j=0; j<(0x40-i)*2; j++ )
*buf++ = 0x80;
for( j=0; j<i*2; j++ )
*buf++ = 0x7f;
}
}
static inline int32 clipshifted8(int32 in)
{
int16 top = (int16)(in >> 16);
if (top > 127) in = 127 << 16;
else if (top < -128) in = -(128 << 16);
return in;
}
void rp_GenFilterWaves( const int8 *buf, int8 *lowbuf, int8 *highbuf )
{
const int16 * mid_table = &filter_thing[0];
const int16 * low_table = &filter_thing[1395];
int32 freq;
int32 i;
for( i=0, freq = 25; i<31; i++, freq += 9 )
{
uint32 wv;
const int8 *a0 = buf;
for( wv=0; wv<6+6+0x20+1; wv++ )
{
int32 in, fre, high, mid, low;
uint32 j;
mid = *mid_table++ << 8;
low = *low_table++ << 8;
for( j=0; j<=lentab[wv]; j++ )
{
in = a0[j] << 16;
high = clipshifted8( in - mid - low );
fre = (high >> 8) * freq;
mid = clipshifted8(mid + fre);
fre = (mid >> 8) * freq;
low = clipshifted8(low + fre);
*highbuf++ = high >> 16;
*lowbuf++ = low >> 16;
}
a0 += lentab[wv]+1;
}
}
}
void rp_GenWhiteNoise( int8 *buf, uint32 len )
{
uint32 ays;
ays = 0x41595321;
do {
uint16 ax, bx;
int8 s;
s = ays;
if( ays & 0x100 )
{
s = 0x7f;
if( ays & 0x8000 )
s = 0x80;
}
*buf++ = s;
len--;
ays = (ays >> 5) | (ays << 27);
ays = (ays & 0xffffff00) | ((ays & 0xff) ^ 0x9a);
bx = ays;
ays = (ays << 2) | (ays >> 30);
ax = ays;
bx += ax;
ax ^= bx;
ays = (ays & 0xffff0000) | ax;
ays = (ays >> 3) | (ays << 29);
} while( len );
}
void rp_clear_instrument( struct ahx_instrument *ins )
{
int32 j;
ins->ins_Name[0] = 0;
ins->ins_Volume = 64;
ins->ins_WaveLength = 3;
ins->ins_FilterLowerLimit = 1;
ins->ins_FilterUpperLimit = 1;
ins->ins_FilterSpeed = 0;
ins->ins_SquareLowerLimit = 1;
ins->ins_SquareUpperLimit = 1;
ins->ins_SquareSpeed = 0;
ins->ins_VibratoDelay = 0;
ins->ins_VibratoSpeed = 0;
ins->ins_VibratoDepth = 0;
ins->ins_HardCutRelease = 0;
ins->ins_HardCutReleaseFrames = 0;
ins->ins_Envelope.aFrames = 1;
ins->ins_Envelope.aVolume = 0;
ins->ins_Envelope.dFrames = 1;
ins->ins_Envelope.dVolume = 0;
ins->ins_Envelope.sFrames = 1;
ins->ins_Envelope.rFrames = 1;
ins->ins_Envelope.rVolume = 0;
ins->ins_PList.pls_Speed = 0;
ins->ins_PList.pls_Length = 0;
for( j=0; j<256; j++ )
{
ins->ins_PList.pls_Entries[j].ple_Note = 0;
ins->ins_PList.pls_Entries[j].ple_Waveform = 0;
ins->ins_PList.pls_Entries[j].ple_Fixed = 0;
ins->ins_PList.pls_Entries[j].ple_FX[0] = 0;
ins->ins_PList.pls_Entries[j].ple_FXParam[0] = 0;
ins->ins_PList.pls_Entries[j].ple_FX[1] = 0;
ins->ins_PList.pls_Entries[j].ple_FXParam[1] = 0;
}
ins->ins_ptop = 0;
ins->ins_pcurx = 0;
ins->ins_pcury = 0;
}
void rp_clear_tune( struct ahx_tune *at )
{
int32 i, j;
int32 defgain[] = { 71, 72, 76, 85, 100 };
if( at == NULL ) return;
if( at == rp_curtune ) rp_stop();
free_undolists( at );
at->at_Name[0] = 0;
at->at_Time = 0;
at->at_ExactTime = 0;
at->at_LoopDetector = 0;
at->at_SongNum = 0;
at->at_Frequency = FREQ;
at->at_FreqF = (float64)FREQ;
at->at_WaveformTab[0] = &waves[WO_TRIANGLE_04];
at->at_WaveformTab[1] = &waves[WO_SAWTOOTH_04];
at->at_WaveformTab[3] = &waves[WO_WHITENOISE];
at->at_Restart = 0;
at->at_PositionNr = 1;
at->at_SpeedMultiplier = 1;
at->at_TrackLength = 64;
at->at_TrackNr = 0;
at->at_InstrumentNr = 0;
at->at_SubsongNr = 0;
at->at_PosJump = 0;
at->at_PlayingTime = 0;
at->at_Tempo = 6;
at->at_PosNr = 0;
at->at_NextPosNr = -1;
at->at_StepWaitFrames = 0;
at->at_NoteNr = 0;
at->at_PosJumpNote = 0;
at->at_GetNewPosition = 0;
at->at_PatternBreak = 0;
at->at_SongEndReached = 0;
at->at_posed_curs = 0;
at->at_tracked_curs = 0;
at->at_curins = 1;
at->at_drumpadnote = 25;
at->at_drumpadmode = FALSE;
at->at_topins = 1;
at->at_topinsb = 1;
at->at_curlch = 0;
at->at_Channels = 4;
at->at_baseins = 0;
at->at_curpanel = 0;
at->at_modified = FALSE;
at->at_defstereo = pref_defstereo;
at->at_defpanleft = stereopan_left[pref_defstereo];
at->at_defpanright = stereopan_right[pref_defstereo];
at->at_mixgain = (defgain[pref_defstereo]*256)/100;
at->at_mixgainP = defgain[pref_defstereo];
at->at_cbmarktrack = -1;
at->at_cbmarkstartnote = -1;
at->at_cbmarkendnote = -1;
at->at_cbmarkleftx = 0;
at->at_cbmarkrightx = 0;
at->at_cbpmarklft = -1;
at->at_cbpmarkmarklft = -1;
at->at_notejump = defnotejump;
at->at_inotejump = definotejump;
at->at_doing = D_IDLE;
at->at_editing = E_TRACK;
at->at_idoing = D_IDLE;
at->at_rempos[0] = 0;
at->at_rempos[1] = 16;
at->at_rempos[2] = 32;
at->at_rempos[3] = 48;
at->at_rempos[4] = 63;
for( i=0; i<MAX_CHANNELS; i++ )
{
at->at_Voices[i].vc_VUMeter = 0;
at->at_Voices[i].vc_SetTrackOn = 1;
}
for( i=0; i<MAX_CHANNELS; i+=4 )
{
at->at_Voices[i+0].vc_Pan = at->at_defpanleft;
at->at_Voices[i+0].vc_SetPan = at->at_defpanleft;
at->at_Voices[i+0].vc_PanMultLeft = panning_left[at->at_defpanleft];
at->at_Voices[i+0].vc_PanMultRight = panning_right[at->at_defpanleft];
at->at_Voices[i+1].vc_Pan = at->at_defpanright;
at->at_Voices[i+1].vc_SetPan = at->at_defpanright;
at->at_Voices[i+1].vc_PanMultLeft = panning_left[at->at_defpanright];
at->at_Voices[i+1].vc_PanMultRight = panning_right[at->at_defpanright];
at->at_Voices[i+2].vc_Pan = at->at_defpanright;
at->at_Voices[i+2].vc_SetPan = at->at_defpanright;
at->at_Voices[i+2].vc_PanMultLeft = panning_left[at->at_defpanright];
at->at_Voices[i+2].vc_PanMultRight = panning_right[at->at_defpanright];
at->at_Voices[i+3].vc_Pan = at->at_defpanleft;
at->at_Voices[i+3].vc_SetPan = at->at_defpanleft;
at->at_Voices[i+3].vc_PanMultLeft = panning_left[at->at_defpanleft];
at->at_Voices[i+3].vc_PanMultRight = panning_right[at->at_defpanleft];
}
for( i=0; i<256; i++ )
{
at->at_Subsongs[i] = 0;
for( j=0; j<64; j++ )
{
at->at_Tracks[i][j].stp_Note = 0;
at->at_Tracks[i][j].stp_Instrument = 0;
at->at_Tracks[i][j].stp_FX = 0;
at->at_Tracks[i][j].stp_FXParam = 0;
at->at_Tracks[i][j].stp_FXb = 0;
at->at_Tracks[i][j].stp_FXbParam = 0;
}
}
for( i=0; i<1000; i++ )
{
for( j=0; j<MAX_CHANNELS; j++ )
{
at->at_Positions[i].pos_Track[j] = 0;
at->at_Positions[i].pos_Transpose[j] = 0;
}
}
for( i=0; i<64; i++ )
rp_clear_instrument( &at->at_Instruments[i] );
at->at_ticks = at->at_secs = at->at_mins = at->at_hours = 0;
}
void rp_reset_some_shit( struct ahx_tune *at )
{
uint32 i;
at->at_ticks = at->at_secs = at->at_mins = at->at_hours = 0;
for( i=0; i<MAX_CHANNELS; i++ )
{
at->at_Voices[i].vc_Delta=1;
at->at_Voices[i].vc_OverrideTranspose = 1000; // 1.5
at->at_Voices[i].vc_SamplePos=at->at_Voices[i].vc_Track=at->at_Voices[i].vc_Transpose=at->at_Voices[i].vc_NextTrack = at->at_Voices[i].vc_NextTranspose = 0;
at->at_Voices[i].vc_ADSRVolume=at->at_Voices[i].vc_InstrPeriod=at->at_Voices[i].vc_TrackPeriod=at->at_Voices[i].vc_VibratoPeriod=at->at_Voices[i].vc_NoteMaxVolume=at->at_Voices[i].vc_PerfSubVolume=at->at_Voices[i].vc_TrackMasterVolume=0;
at->at_Voices[i].vc_NewWaveform=at->at_Voices[i].vc_Waveform=at->at_Voices[i].vc_PlantSquare=at->at_Voices[i].vc_PlantPeriod=at->at_Voices[i].vc_IgnoreSquare=0;
at->at_Voices[i].vc_TrackOn=at->at_Voices[i].vc_FixedNote=at->at_Voices[i].vc_VolumeSlideUp=at->at_Voices[i].vc_VolumeSlideDown=at->at_Voices[i].vc_HardCut=at->at_Voices[i].vc_HardCutRelease=at->at_Voices[i].vc_HardCutReleaseF=0;
at->at_Voices[i].vc_PeriodSlideSpeed=at->at_Voices[i].vc_PeriodSlidePeriod=at->at_Voices[i].vc_PeriodSlideLimit=at->at_Voices[i].vc_PeriodSlideOn=at->at_Voices[i].vc_PeriodSlideWithLimit=0;
at->at_Voices[i].vc_PeriodPerfSlideSpeed=at->at_Voices[i].vc_PeriodPerfSlidePeriod=at->at_Voices[i].vc_PeriodPerfSlideOn=at->at_Voices[i].vc_VibratoDelay=at->at_Voices[i].vc_VibratoCurrent=at->at_Voices[i].vc_VibratoDepth=at->at_Voices[i].vc_VibratoSpeed=0;
at->at_Voices[i].vc_SquareOn=at->at_Voices[i].vc_SquareInit=at->at_Voices[i].vc_SquareLowerLimit=at->at_Voices[i].vc_SquareUpperLimit=at->at_Voices[i].vc_SquarePos=at->at_Voices[i].vc_SquareSign=at->at_Voices[i].vc_SquareSlidingIn=at->at_Voices[i].vc_SquareReverse=0;
at->at_Voices[i].vc_FilterOn=at->at_Voices[i].vc_FilterInit=at->at_Voices[i].vc_FilterLowerLimit=at->at_Voices[i].vc_FilterUpperLimit=at->at_Voices[i].vc_FilterPos=at->at_Voices[i].vc_FilterSign=at->at_Voices[i].vc_FilterSpeed=at->at_Voices[i].vc_FilterSlidingIn=at->at_Voices[i].vc_IgnoreFilter=0;
at->at_Voices[i].vc_PerfCurrent=at->at_Voices[i].vc_PerfSpeed=at->at_Voices[i].vc_WaveLength=at->at_Voices[i].vc_NoteDelayOn=at->at_Voices[i].vc_NoteCutOn=0;
at->at_Voices[i].vc_AudioPeriod=at->at_Voices[i].vc_AudioVolume=at->at_Voices[i].vc_VoiceVolume=at->at_Voices[i].vc_VoicePeriod=at->at_Voices[i].vc_VoiceNum=at->at_Voices[i].vc_WNRandom=0;
at->at_Voices[i].vc_SquareWait=at->at_Voices[i].vc_FilterWait=at->at_Voices[i].vc_PerfWait=at->at_Voices[i].vc_NoteDelayWait=at->at_Voices[i].vc_NoteCutWait=0;
at->at_Voices[i].vc_PerfList=0;
at->at_Voices[i].vc_RingSamplePos=at->at_Voices[i].vc_RingDelta=at->at_Voices[i].vc_RingPlantPeriod=at->at_Voices[i].vc_RingAudioPeriod=at->at_Voices[i].vc_RingNewWaveform=at->at_Voices[i].vc_RingWaveform=at->at_Voices[i].vc_RingFixedPeriod=at->at_Voices[i].vc_RingBasePeriod=0;
at->at_Voices[i].vc_RingMixSource = NULL;
at->at_Voices[i].vc_RingAudioSource = NULL;
memset( &at->at_Voices[i].vc_SquareTempBuffer,0,0x80);
memset( &at->at_Voices[i].vc_ADSR,0,sizeof(struct ahx_envelope));
memset( &at->at_Voices[i].vc_VoiceBuffer,0,0x281);
memset( &at->at_Voices[i].vc_RingVoiceBuffer,0,0x281);
}
for( i=0; i<MAX_CHANNELS; i++ )
{
at->at_Voices[i].vc_WNRandom = 0x280;
at->at_Voices[i].vc_VoiceNum = i;
at->at_Voices[i].vc_TrackMasterVolume = 0x40;
at->at_Voices[i].vc_TrackOn = at->at_Voices[i].vc_SetTrackOn;
at->at_Voices[i].vc_MixSource = at->at_Voices[i].vc_VoiceBuffer;
}
}
BOOL rp_init_subsong( struct ahx_tune *at, uint32 nr )
{
uint32 PosNr, i;
if( nr > at->at_SubsongNr )
return FALSE;
at->at_SongNum = nr;
PosNr = 0;
if( nr ) PosNr = at->at_Subsongs[nr-1];
at->at_PosNr = PosNr;
at->at_PosJump = 0;
at->at_PatternBreak = 0;
at->at_NoteNr = 0;
at->at_PosJumpNote = 0;
at->at_Tempo = 6;
at->at_StepWaitFrames = 0;
at->at_GetNewPosition = 1;
at->at_SongEndReached = 0;
at->at_PlayingTime = 0;
at->at_curss = nr;
for( i=0; i<MAX_CHANNELS; i+=4 )
{
at->at_Voices[i+0].vc_Pan = at->at_defpanleft;
at->at_Voices[i+0].vc_SetPan = at->at_defpanleft;
at->at_Voices[i+0].vc_PanMultLeft = panning_left[at->at_defpanleft];
at->at_Voices[i+0].vc_PanMultRight = panning_right[at->at_defpanleft];
at->at_Voices[i+1].vc_Pan = at->at_defpanright;
at->at_Voices[i+1].vc_SetPan = at->at_defpanright;
at->at_Voices[i+1].vc_PanMultLeft = panning_left[at->at_defpanright];
at->at_Voices[i+1].vc_PanMultRight = panning_right[at->at_defpanright];
at->at_Voices[i+2].vc_Pan = at->at_defpanright;
at->at_Voices[i+2].vc_SetPan = at->at_defpanright;
at->at_Voices[i+2].vc_PanMultLeft = panning_left[at->at_defpanright];
at->at_Voices[i+2].vc_PanMultRight = panning_right[at->at_defpanright];
at->at_Voices[i+3].vc_Pan = at->at_defpanleft;
at->at_Voices[i+3].vc_SetPan = at->at_defpanleft;
at->at_Voices[i+3].vc_PanMultLeft = panning_left[at->at_defpanleft];
at->at_Voices[i+3].vc_PanMultRight = panning_right[at->at_defpanleft];
}
rp_reset_some_shit( at );
return TRUE;
}
struct ahx_tune *rp_new_tune( BOOL addtolist )
{
struct ahx_tune *at;
at = (struct ahx_tune *)allocnode(sizeof(struct ahx_tune));
if( !at )
{
printf( "Out of memory @ %s:%d\n", __FILE__, __LINE__ );
return NULL;
}
at->at_undolist = IExec->AllocSysObjectTags( ASOT_LIST, TAG_DONE );
if( !at->at_undolist )
{
IExec->FreeSysObject( ASOT_NODE, at );
printf( "Out of memory @ %s:%d\n", __FILE__, __LINE__ );
return NULL;
}
at->at_redolist = IExec->AllocSysObjectTags( ASOT_LIST, TAG_DONE );
if( !at->at_redolist )
{
IExec->FreeSysObject( ASOT_LIST, at->at_undolist );
IExec->FreeSysObject( ASOT_NODE, at );
printf( "Out of memory @ %s:%d\n", __FILE__, __LINE__ );
return NULL;
}
at->at_undomem = 0;
at->at_ln.ln_Succ = NULL;
at->at_ln.ln_Pred = NULL;
at->at_ln.ln_Name = &at->at_Name[0];
at->at_ln.ln_Pri = 0;
at->at_ln.ln_Type = NT_USER;
rp_clear_tune( at );
if( addtolist )
{
IExec->ObtainSemaphore( rp_list_ss );
IExec->AddTail( rp_tunelist, (struct Node *)at );
IExec->ReleaseSemaphore( rp_list_ss );
}
rp_init_subsong( at, 0 );
return at;
}
void rp_free_tune( struct ahx_tune *at )
{
IExec->ObtainSemaphore( rp_list_ss );
IExec->Remove( (struct Node *)at );
free_undolists( at );
IExec->FreeSysObject( ASOT_LIST, at->at_undolist );
IExec->FreeSysObject( ASOT_LIST, at->at_redolist );
IExec->FreeSysObject( ASOT_NODE, at );
IExec->ReleaseSemaphore( rp_list_ss );
}
void rp_free_all_tunes( void )
{
struct ahx_tune *at, *nat;
IExec->ObtainSemaphore( rp_list_ss );
at = (struct ahx_tune *)IExec->GetHead(rp_tunelist);
while( at )
{
nat = (struct ahx_tune *)IExec->GetSucc(&at->at_ln);
rp_free_tune( at );
at = nat;
}
IExec->ReleaseSemaphore( rp_list_ss );
}
void rp_save_hvl_ins( const TEXT *name, struct ahx_instrument *ins )
{
FILE *fh;
int8 *buf, *bptr;
int32 buflen, i;
buflen = 26+ins->ins_PList.pls_Length*5;
buf = IExec->AllocPooled( rp_mempool, buflen );
if( !buf )
{
printf( "Out of memory @ %s:%d\n", __FILE__, __LINE__ );
return;
}
for( i=0; i<buflen; i++ ) buf[i] = 0;
strcpy( (TEXT *)buf, "HVLI" );
buf[4] = ins->ins_Volume;
buf[5] = (ins->ins_FilterSpeed&0x1f)<<3;
buf[16] = (ins->ins_FilterSpeed&0x20)<<2;
buf[5] |= ins->ins_WaveLength&0x07;
buf[6] = ins->ins_Envelope.aFrames;
buf[7] = ins->ins_Envelope.aVolume;
buf[8] = ins->ins_Envelope.dFrames;
buf[9] = ins->ins_Envelope.dVolume;
buf[10] = ins->ins_Envelope.sFrames;
buf[11] = ins->ins_Envelope.rFrames;
buf[12] = ins->ins_Envelope.rVolume;
buf[16] |= ins->ins_FilterLowerLimit&0x7f;
buf[17] = ins->ins_VibratoDelay;
buf[18] = (ins->ins_HardCutReleaseFrames&0x07)<<4;
buf[18] |= (ins->ins_HardCutRelease&0x1)<<7;
buf[18] |= ins->ins_VibratoDepth&0x0f;
buf[19] = ins->ins_VibratoSpeed;
buf[20] = ins->ins_SquareLowerLimit;
buf[21] = ins->ins_SquareUpperLimit;
buf[22] = ins->ins_SquareSpeed;
buf[23] = ins->ins_FilterUpperLimit&0x3f;
buf[24] = ins->ins_PList.pls_Speed;
buf[25] = ins->ins_PList.pls_Length;
bptr = &buf[26];
for( i=0; i<ins->ins_PList.pls_Length; i++ )
{
bptr[0] = ins->ins_PList.pls_Entries[i].ple_FX[0]&0xf;
bptr[1] = (ins->ins_PList.pls_Entries[i].ple_FX[1]&0xf)<<3;
bptr[1] |= ins->ins_PList.pls_Entries[i].ple_Waveform&7;
bptr[2] = (ins->ins_PList.pls_Entries[i].ple_Fixed&1)<<6;
bptr[2] |= ins->ins_PList.pls_Entries[i].ple_Note&0x3f;
bptr[3] = ins->ins_PList.pls_Entries[i].ple_FXParam[0];
bptr[4] = ins->ins_PList.pls_Entries[i].ple_FXParam[1];
bptr += 5;
}
fh = fopen( name, "wb" );
if( !fh )
{
printf( "unable to open file\n" );
IExec->FreePooled( rp_mempool, buf, buflen );
return;
}
fwrite( buf, buflen, 1, fh );
fwrite( ins->ins_Name, strlen( ins->ins_Name )+1, 1, fh );
fclose( fh );
IExec->FreePooled( rp_mempool, buf, buflen );
}
void rp_save_ins( const TEXT *name, struct ahx_tune *at, int32 in )
{
FILE *fh;
int8 *buf, *bptr;
int32 buflen, i, k, l;
struct ahx_instrument *ins;
BOOL saveahxi;
#ifdef __SDL_WRAPPER__
char mkname[4096];
#endif
if( at == NULL ) return;
#ifdef __SDL_WRAPPER__
// Enforce file extension since windows likes them so much
// (although let them use a prefix if they want to keep it oldskool)
if (strncasecmp(name, "ins.", 4) != 0)
{
// No prefix...
i = strlen(name);
if ((i < 4) || (strcasecmp(&name[i-4], ".ins") != 0))
{
// No extension
strncpy(mkname, name, 4096);
strncat(mkname, ".ins", 4096);
mkname[4095] = 0;
name = mkname;
}
}
#endif
ins = &at->at_Instruments[in];
saveahxi = TRUE;
// Have to save as HVL instrument?
for( i=0; i<ins->ins_PList.pls_Length; i++ )
{
if( ( ins->ins_PList.pls_Entries[i].ple_FX[0] > 5 ) &&
( ins->ins_PList.pls_Entries[i].ple_FX[0] != 12 ) &&
( ins->ins_PList.pls_Entries[i].ple_FX[0] != 15 ) )
saveahxi = FALSE;
if( ( ins->ins_PList.pls_Entries[i].ple_FX[1] > 5 ) &&
( ins->ins_PList.pls_Entries[i].ple_FX[1] != 12 ) &&
( ins->ins_PList.pls_Entries[i].ple_FX[1] != 15 ) )
saveahxi = FALSE;
}
if( saveahxi == FALSE )
{
rp_save_hvl_ins( name, ins );
return;
}
buflen = 26+ins->ins_PList.pls_Length*4;
buf = IExec->AllocPooled( rp_mempool, buflen );
if( !buf )
{
printf( "Out of memory @ %s:%d\n", __FILE__, __LINE__ );
return;
}
for( i=0; i<buflen; i++ ) buf[i] = 0;
strcpy( (TEXT *)buf, "THXI" );
buf[4] = ins->ins_Volume;
buf[5] = (ins->ins_FilterSpeed&0x1f)<<3;
buf[16] = (ins->ins_FilterSpeed&0x20)<<2;
buf[5] |= ins->ins_WaveLength&0x07;
buf[6] = ins->ins_Envelope.aFrames;
buf[7] = ins->ins_Envelope.aVolume;
buf[8] = ins->ins_Envelope.dFrames;
buf[9] = ins->ins_Envelope.dVolume;
buf[10] = ins->ins_Envelope.sFrames;
buf[11] = ins->ins_Envelope.rFrames;
buf[12] = ins->ins_Envelope.rVolume;
buf[16] |= ins->ins_FilterLowerLimit&0x7f;
buf[17] = ins->ins_VibratoDelay;
buf[18] = (ins->ins_HardCutReleaseFrames&0x07)<<4;
buf[18] |= (ins->ins_HardCutRelease&0x1)<<7;
buf[18] |= ins->ins_VibratoDepth&0x0f;
buf[19] = ins->ins_VibratoSpeed;
buf[20] = ins->ins_SquareLowerLimit;
buf[21] = ins->ins_SquareUpperLimit;
buf[22] = ins->ins_SquareSpeed;
buf[23] = ins->ins_FilterUpperLimit&0x3f;
buf[24] = ins->ins_PList.pls_Speed;
buf[25] = ins->ins_PList.pls_Length;
bptr = &buf[26];
for( i=0; i<ins->ins_PList.pls_Length; i++ )
{
// Convert to AHX format (this means that HVL instruments could have more FX! w00t!)
k = ins->ins_PList.pls_Entries[i].ple_FX[1];
if( k == 12 ) k = 6;
if( k == 15 ) k = 7;
l = ins->ins_PList.pls_Entries[i].ple_FX[0];
if( l == 12 ) l = 6;
if( l == 15 ) l = 7;
bptr[0] = (k&7)<<5;
bptr[0] |= (l&7)<<2;
bptr[0] |= (ins->ins_PList.pls_Entries[i].ple_Waveform&6)>>1;
bptr[1] = (ins->ins_PList.pls_Entries[i].ple_Waveform&1)<<7;
bptr[1] |= (ins->ins_PList.pls_Entries[i].ple_Fixed&1)<<6;
bptr[1] |= ins->ins_PList.pls_Entries[i].ple_Note&0x3f;
bptr[2] = ins->ins_PList.pls_Entries[i].ple_FXParam[0];
bptr[3] = ins->ins_PList.pls_Entries[i].ple_FXParam[1];
bptr += 4;
}
fh = fopen( name, "wb" );
if( !fh )
{
printf( "unable to open file\n" );
IExec->FreePooled( rp_mempool, buf, buflen );
return;
}
fwrite( buf, buflen, 1, fh );
fwrite( ins->ins_Name, strlen( ins->ins_Name )+1, 1, fh );
fclose( fh );
IExec->FreePooled( rp_mempool, buf, buflen );
}
void rp_load_ins( const TEXT *name, struct ahx_tune *at, int32 in )
{
FILE *fh;
uint8 *buf;
const uint8 *bptr;
uint32 buflen, i, k, l;
struct ahx_instrument *ni;
BOOL ahxi;
if( at == NULL ) return;
fh = fopen(name, "rb");
if( !fh )
{
printf( "Can't open file\n" );
return;
}
fseek(fh, 0, SEEK_END);
buflen = ftell(fh);
fseek(fh, 0, SEEK_SET);
buf = IExec->AllocPooled( rp_mempool, buflen );
if( !buf )
{
fclose(fh);
printf( "Out of memory @ %s:%d\n", __FILE__, __LINE__ );
return;
}
if( fread( buf, buflen, 1, fh ) != 1 )
{
IExec->FreePooled( rp_mempool, buf, buflen );
fclose(fh);
printf( "Unable to read from file!\n" );
return;
}
fclose(fh);
ahxi = TRUE;
if( ( buf[0] == 'H' ) &&
( buf[1] == 'V' ) &&
( buf[2] == 'L' ) &&
( buf[3] == 'I' ) )
ahxi = FALSE;
if( ( ahxi == TRUE ) &&
( ( buf[0] != 'T' ) ||
( buf[1] != 'H' ) ||
( buf[2] != 'X' ) ||
( buf[3] != 'I' ) ) )
{
IExec->FreePooled( rp_mempool, buf, buflen );
printf( "Invalid file\n" );
return;
}
ni = &at->at_Instruments[in];
ni->ins_Volume = buf[4];
ni->ins_FilterSpeed = ((buf[5]>>3)&0x1f)|((buf[16]>>2)&0x20);
ni->ins_WaveLength = buf[5]&0x07;
ni->ins_Envelope.aFrames = buf[6];
ni->ins_Envelope.aVolume = buf[7];
ni->ins_Envelope.dFrames = buf[8];
ni->ins_Envelope.dVolume = buf[9];
ni->ins_Envelope.sFrames = buf[10];
ni->ins_Envelope.rFrames = buf[11];
ni->ins_Envelope.rVolume = buf[12];
ni->ins_FilterLowerLimit = buf[16]&0x7f;
ni->ins_VibratoDelay = buf[17];
ni->ins_HardCutReleaseFrames = (buf[18]>>4)&0x07;
ni->ins_HardCutRelease = buf[18]&0x80?1:0;
ni->ins_VibratoDepth = buf[18]&0x0f;
ni->ins_VibratoSpeed = buf[19];
ni->ins_SquareLowerLimit = buf[20];
ni->ins_SquareUpperLimit = buf[21];
ni->ins_SquareSpeed = buf[22];
ni->ins_FilterUpperLimit = buf[23]&0x3f;
ni->ins_PList.pls_Speed = buf[24];
ni->ins_PList.pls_Length = buf[25];
bptr = &buf[26];
if( ahxi )
{
for( i=0; i<ni->ins_PList.pls_Length; i++ )
{
k = (bptr[0]>>5)&7;
if( k == 6 ) k = 12;
if( k == 7 ) k = 15;
l = (bptr[0]>>2)&7;
if( l == 6 ) l = 12;
if( l == 7 ) l = 15;
ni->ins_PList.pls_Entries[i].ple_FX[1] = k;
ni->ins_PList.pls_Entries[i].ple_FX[0] = l;
ni->ins_PList.pls_Entries[i].ple_Waveform = ((bptr[0]<<1)&6) | (bptr[1]>>7);
ni->ins_PList.pls_Entries[i].ple_Fixed = (bptr[1]>>6)&1;
ni->ins_PList.pls_Entries[i].ple_Note = bptr[1]&0x3f;
ni->ins_PList.pls_Entries[i].ple_FXParam[0] = bptr[2];
ni->ins_PList.pls_Entries[i].ple_FXParam[1] = bptr[3];
bptr += 4;
}
} else {
for( i=0; i<ni->ins_PList.pls_Length; i++ )
{
ni->ins_PList.pls_Entries[i].ple_FX[0] = bptr[0]&0xf;
ni->ins_PList.pls_Entries[i].ple_FX[1] = (bptr[1]>>3)&0xf;
ni->ins_PList.pls_Entries[i].ple_Waveform = bptr[1]&7;
ni->ins_PList.pls_Entries[i].ple_Fixed = (bptr[2]>>6)&1;
ni->ins_PList.pls_Entries[i].ple_Note = bptr[2]&0x3f;
ni->ins_PList.pls_Entries[i].ple_FXParam[0] = bptr[3];
ni->ins_PList.pls_Entries[i].ple_FXParam[1] = bptr[4];
bptr += 5;
}
}
while( i < 256 )
{
ni->ins_PList.pls_Entries[i].ple_FX[0] = 0;
ni->ins_PList.pls_Entries[i].ple_FX[1] = 0;
ni->ins_PList.pls_Entries[i].ple_FXParam[0] = 0;
ni->ins_PList.pls_Entries[i].ple_FXParam[1] = 0;
ni->ins_PList.pls_Entries[i].ple_Waveform = 0;
ni->ins_PList.pls_Entries[i].ple_Fixed = 0;
ni->ins_PList.pls_Entries[i].ple_Note = 0;
i++;
}
ni->ins_ptop = 0;
ni->ins_pcurx = 0;
ni->ins_pcury = 0;
strncpy( ni->ins_Name, (TEXT *)bptr, 127 );
ni->ins_Name[127] = '\0';
// printf( "Loaded '%s'!\n", ni->ins_Name );
}
uint32 rp_ahx_test( const struct ahx_tune *at )
{
int32 i, j;
int32 hvlfeats;
const struct ahx_instrument *in;
const struct ahx_step *sp;
// First, check if the tune adheres to AHX limitations
hvlfeats = 0;
// >4 channels?
if( at->at_Channels > 4 ) hvlfeats |= SWF_MANYCHANS;
// Check instruments only use 1, 2, 3, 4, 5, C & F commands
for( i=1; i<64; i++ )
{
in = &at->at_Instruments[i];
for( j=0; j<in->ins_PList.pls_Length; j++ )