155 lines
3.4 KiB
C++
155 lines
3.4 KiB
C++
class MakeSongSettings
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{
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Bool simple_rhythms fmtstr "$$CB,\"Simple Rhythms\"$$\n";
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Bool normal_rhythms fmtstr "$$CB,\"Normal Rhythms\"$$\n";
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Bool complex_rhythms fmtstr "$$CB,\"Complex Rhythms\"$$\n";
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Bool rests fmtstr "$$CB,\"Rests\"$$\n";
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Bool six_eight fmtstr "$$CB,\"Six Eight\"$$\n";
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I64 octave fmtstr "$$DA-T,32,\"Octave:%d\"$$\n";
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};
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U0 InsNote(MakeSongSettings *mss,U8 *buf,I64 k,I64 *j)
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{ //k is a random note nibble
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if (!k && mss->rests) {
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buf[*j]='R';
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*j+=1;
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} else {
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k/=2;
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if (!k) {
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if (music_octave) {
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buf[*j]=music_octave-1+'0';
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*j+=1;
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buf[*j]='G';
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*j+=1;
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buf[*j]=music_octave+'0';
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*j+=1;
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} else {
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buf[*j]='G';
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*j+=1;
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}
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} else {
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buf[*j]=k-1+'A';
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*j+=1;
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}
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}
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}
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#define DUR_4 0
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#define DUR_8_8 1
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#define DUR_3_3_3 2
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#define DUR_16_16_16_16 3
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#define DUR_8DOT_16 4
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#define DUR_8_16_16 5
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#define DUR_16_16_8 6
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U8 simple_songs [5]={DUR_4,DUR_4,DUR_4,DUR_4,DUR_8_8};
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U8 normal_songs [5]={DUR_4,DUR_4,DUR_8_8,DUR_3_3_3,DUR_16_16_16_16};
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U8 complex_songs[9]={DUR_4,DUR_4,DUR_8_8,DUR_8_8,DUR_8DOT_16,DUR_3_3_3,DUR_8_16_16,DUR_16_16_8,DUR_16_16_16_16};
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U8 *MakeSong()
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{
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MakeSongSettings mss;
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U8 *buf;
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I64 i,j=0,k,n,k2,duration,last_duration=-1,len;
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mss.simple_rhythms=FALSE;
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mss.normal_rhythms=TRUE;
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mss.complex_rhythms=FALSE;
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mss.rests=FALSE;
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mss.octave=music_octave;
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if (!PopUpForm(&mss))
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return NULL;
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buf=CAlloc(256);
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music_octave=LimitI64(mss.octave,0,6);
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progress4=0;
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if (mss.six_eight)
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progress4_max=6;
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else
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progress4_max=8;
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buf[j++]='0'+music_octave;
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if (mss.six_eight) {
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len=6;
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buf[j++]='M';
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buf[j++]='6';
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buf[j++]='/';
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buf[j++]='8';
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} else
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len=8;
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TimerPickFlush;
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for (i=0;i<len;i++) {
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n=TimerPickedBits(8);
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if (mss.complex_rhythms)
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duration=complex_songs[n%9];
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else if (mss.normal_rhythms)
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duration=normal_songs[n%5];
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else
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duration=simple_songs[n%5];
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switch (duration) {
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case DUR_8_8:
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if (last_duration!=DUR_8_8)
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buf[j++]='e';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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break;
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case DUR_8DOT_16:
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buf[j++]='e';
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buf[j++]='.';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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buf[j++]='s';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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duration=DUR_16_16_16_16;
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break;
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case DUR_3_3_3:
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if (last_duration!=DUR_3_3_3) {
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buf[j++]='e';
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buf[j++]='t';
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}
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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break;
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case DUR_8_16_16:
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if (last_duration!=DUR_8_8)
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buf[j++]='e';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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buf[j++]='s';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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duration=DUR_16_16_16_16;
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break;
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case DUR_16_16_8:
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if (last_duration!=DUR_16_16_16_16)
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buf[j++]='s';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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buf[j++]='e';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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duration=DUR_8_8;
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break;
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case DUR_16_16_16_16:
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if (last_duration!=DUR_16_16_16_16)
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buf[j++]='s';
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k =TimerPickedBits(4);
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k2=TimerPickedBits(4);
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InsNote(&mss,buf,k,&j);
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InsNote(&mss,buf,k2,&j);
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InsNote(&mss,buf,k,&j);
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InsNote(&mss,buf,k2,&j);
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break;
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default:
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if (last_duration!=DUR_4)
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buf[j++]='q';
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InsNote(&mss,buf,TimerPickedBits(4),&j);
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}
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last_duration=duration;
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progress4++;
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}
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buf[j++]=0;
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progress4=progress4_max=0;
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return buf;
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}
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