diff options
| -rw-r--r-- | src/mdaPiano.cpp | 74 | ||||
| -rw-r--r-- | src/mdaPianoVoice.cpp | 79 |
2 files changed, 79 insertions, 74 deletions
diff --git a/src/mdaPiano.cpp b/src/mdaPiano.cpp index 2b8a81b..7c1a3a0 100644 --- a/src/mdaPiano.cpp +++ b/src/mdaPiano.cpp @@ -207,80 +207,6 @@ if(!(r > -2.0f) || !(r < 2.0f)) } -void mdaPiano::noteOn(uint32_t note, uint32_t velocity) -{ - float * param = programs[curProgram].param; - float l=99.0f; - uint32_t v, vl=0, k, s; - - if(velocity>0) - { - if(activevoices < poly) //add a note - { - vl = activevoices; - activevoices++; - } - else //steal a note - { - for(v=0; v<poly; v++) //find quietest voice - { - if(voice[v].env < l) { l = voice[v].env; vl = v; } - } - } - - k = (note - 60) * (note - 60); - l = fine + random * ((float)(k % 13) - 6.5f); //random & fine tune - if(note > 60) l += stretch * (float)k; //stretch - - s = size; - if(velocity > 40) s += (uint32_t)(sizevel * (float)(velocity - 40)); - - k = 0; - while(note > (kgrp[k].high + s)) k++; //find keygroup - - l += (float)(note - kgrp[k].root); //pitch - l = 22050.0f * iFs * (float)exp(0.05776226505 * l); - voice[vl].delta = (uint32_t)(65536.0f * l); - voice[vl].frac = 0; - voice[vl].pos = kgrp[k].pos; - voice[vl].end = kgrp[k].end; - voice[vl].loop = kgrp[k].loop; - - voice[vl].env = (0.5f + velsens) * (float)pow(0.0078f * velocity, velsens); //velocity - - l = 50.0f + param[4] * param[4] * muff + muffvel * (float)(velocity - 64); //muffle - if(l < (55.0f + 0.25f * (float)note)) l = 55.0f + 0.25f * (float)note; - if(l > 210.0f) l = 210.0f; - voice[vl].ff = l * l * iFs; - voice[vl].f0 = voice[vl].f1 = 0.0f; - - voice[vl].note = note; //note->pan - if(note < 12) note = 12; - if(note > 108) note = 108; - l = volume * trim; - voice[vl].outr = l + l * width * (float)(note - 60); - voice[vl].outl = l + l - voice[vl].outr; - - if(note < 44) note = 44; //limit max decay length - l = 2.0f * param[0]; - if(l < 1.0f) l += 0.25f - 0.5f * param[0]; - voice[vl].dec = (float)exp(-iFs * exp(-0.6 + 0.033 * (double)note - l)); - } - else //note off - { - for(v=0; v<NVOICES; v++) if(voice[v].note==note) //any voices playing that note? - { - if(sustain==0) - { - if(note < 94 || note == SUSTAIN) //no release on highest notes - voice[v].dec = (float)exp(-iFs * exp(2.0 + 0.017 * (double)note - 2.0 * param[1])); - } - else voice[v].note = SUSTAIN; - } - } -} - - uint32_t mdaPiano::processEvents(VstEvents* ev) { uint32_t npos=0; diff --git a/src/mdaPianoVoice.cpp b/src/mdaPianoVoice.cpp index 1223e43..aa4182b 100644 --- a/src/mdaPianoVoice.cpp +++ b/src/mdaPianoVoice.cpp @@ -39,3 +39,82 @@ float mdaPianoVoice::p_helper(unsigned short id, Param d) { else return *p(id); } + + +mdaPianoVoice::on(unsigned char note, unsigned char velocity) +{ + // TODO: replace with this voice's local copy + float * param = programs[curProgram].param; + float l=99.0f; + uint32_t v, vl=0, k, s; + + if(velocity>0) + { + // TODO: move this to mdaPiano.cpp + /* + if(activevoices < poly) //add a note + { + vl = activevoices; + activevoices++; + } + else //steal a note + { + for(v=0; v<poly; v++) //find quietest voice + { + if(voice[v].env < l) { l = voice[v].env; vl = v; } + } + } + */ + + k = (note - 60) * (note - 60); + l = fine + random * ((float)(k % 13) - 6.5f); //random & fine tune + if(note > 60) l += stretch * (float)k; //stretch + + s = size; + if(velocity > 40) s += (uint32_t)(sizevel * (float)(velocity - 40)); + + k = 0; + while(note > (kgrp[k].high + s)) k++; //find keygroup + + l += (float)(note - kgrp[k].root); //pitch + l = 22050.0f * iFs * (float)exp(0.05776226505 * l); + voice[vl].delta = (uint32_t)(65536.0f * l); + voice[vl].frac = 0; + voice[vl].pos = kgrp[k].pos; + voice[vl].end = kgrp[k].end; + voice[vl].loop = kgrp[k].loop; + + voice[vl].env = (0.5f + velsens) * (float)pow(0.0078f * velocity, velsens); //velocity + + l = 50.0f + param[4] * param[4] * muff + muffvel * (float)(velocity - 64); //muffle + if(l < (55.0f + 0.25f * (float)note)) l = 55.0f + 0.25f * (float)note; + if(l > 210.0f) l = 210.0f; + voice[vl].ff = l * l * iFs; + voice[vl].f0 = voice[vl].f1 = 0.0f; + + voice[vl].note = note; //note->pan + if(note < 12) note = 12; + if(note > 108) note = 108; + l = volume * trim; + voice[vl].outr = l + l * width * (float)(note - 60); + voice[vl].outl = l + l - voice[vl].outr; + + if(note < 44) note = 44; //limit max decay length + l = 2.0f * param[0]; + if(l < 1.0f) l += 0.25f - 0.5f * param[0]; + voice[vl].dec = (float)exp(-iFs * exp(-0.6 + 0.033 * (double)note - l)); + } + else //note off + { + // TODO: move the loop to mdaPiano.cpp + for(v=0; v<NVOICES; v++) if(voice[v].note==note) //any voices playing that note? + { + if(sustain==0) + { + if(note < 94 || note == SUSTAIN) //no release on highest notes + voice[v].dec = (float)exp(-iFs * exp(2.0 + 0.017 * (double)note - 2.0 * param[1])); + } + else voice[v].note = SUSTAIN; + } + } +} |