add lead, needs work
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c1754c7fcf
commit
031ce7bdb4
36
win/main.cpp
36
win/main.cpp
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@ -5,7 +5,8 @@
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#include <Windows.h>
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#include <MMSystem.h>
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int notes[16] = { 122, 115, 109, 103, 97, 92, 86, 82, 77, 73, 69, 65, 61, 58, 54, 51 };
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int notes[25] = { 134, 142, 150, 159, 169, 179, 189, 201, 213, 225, 239, 253, 268, 284, 301, 319, 338, 358, 379, 401, 425, 451, 477, 506, 536 };
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int arpeggio[][4] = {
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{ 0, 3, 7, 12 },
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{ 2, 5, 7, 10 },
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@ -15,14 +16,39 @@ int arpeggio[][4] = {
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};
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int arpseq[16] = { 0, 0, 1, 1, 2, 2, 4, 3, 0, 0, 1, 1, 2, 3, 4, 4 };
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int notes2[25] = { 134, 142, 150, 159, 169, 179, 189, 201, 213, 225, 239, 253, 268, 284, 301, 319, 338, 358, 379, 401, 425, 451, 477, 506, 536 };
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int bassbeat[8] = { 0, 0, 1, 0, 0, 1, 0, 1 };
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int bassline[16] = { 12, 12, 15, 10, 12, 12, 17, 10, 12, 12, 15, 7, 8, 8, 3, 7 };
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#define LEADSIZE 28
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int leadmelody[LEADSIZE] = { 12, 7, 0, 12, 0, 14, 15, 0, 14, 0, 12, 0, 14, 15, 0, 14, 0, 12, 0, 14, 10, 0, 7, 5, 7, 3, 1, 0 };
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int leadtiming[LEADSIZE] = { 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 3, 27};
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static inline unsigned char voice_lead(unsigned long i)
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{
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static uint8_t leadptr = 0xFF;
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static uint16_t lead_osc = 0;
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static uint8_t leadtimer = 0;
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if (0 == leadtimer)
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{
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leadptr++;
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if (leadptr == LEADSIZE)
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leadptr = 0;
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leadtimer = leadtiming[leadptr];
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}
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uint8_t melody = leadmelody[leadptr];
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int note = notes[melody == 1 ? 0 : melody];
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lead_osc += note;
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if (0 == (i & 0x3FF))
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leadtimer--;
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return (!melody) ? 0 : ((lead_osc >> 6) & 0x7F);
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}
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static inline unsigned char voice_arp(unsigned long i)
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{
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static uint16_t arp_osc = 0;
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int note = notes2[12 + arpeggio[arpseq[(i >> 13) & 15]][(i >> 7) & 3]];
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int note = notes[12 + arpeggio[arpseq[(i >> 13) & 15]][(i >> 7) & 3]];
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arp_osc += note;
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return ((arp_osc >> 5) & 128) - 1;
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}
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@ -30,7 +56,7 @@ static inline unsigned char voice_arp(unsigned long i)
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static inline unsigned char voice_bass(unsigned long i)
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{
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static uint16_t bassosc = 0, flangeosc = 0;
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int note = notes2[bassline[(i >> 13) & 15]];
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int note = notes[bassline[(i >> 13) & 15]];
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if (bassbeat[(i >> 10) & 7])
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note <<= 1;
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bassosc += note;
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@ -45,7 +71,7 @@ void fill(char *data)
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for (int j = 0; j < 4096; j++)
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{
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unsigned char sample = (voice_bass(i) >> 1) + (voice_arp(i) >> 1);
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unsigned char sample = voice_lead(i);// (voice_bass(i) >> 1) + (voice_arp(i) >> 1);
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data[j] = sample;
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i++;
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}
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