diff options
Diffstat (limited to 'examples/0-fltk_gui.csd')
| -rw-r--r-- | examples/0-fltk_gui.csd | 145 |
1 files changed, 81 insertions, 64 deletions
diff --git a/examples/0-fltk_gui.csd b/examples/0-fltk_gui.csd index d81a48a..558d73f 100644 --- a/examples/0-fltk_gui.csd +++ b/examples/0-fltk_gui.csd @@ -2,23 +2,37 @@ <CsOptions> -odac -+rtmidi=virtual -M0 +-m0 </CsOptions> -; ============================================== <CsInstruments> +/* + csound-opl example 0 + FLTK gui for instrument editing + + Richard Knight 2021 : examples are licensed as public domain equivalent : http://unlicense.org/ -sr = 44100 +*/ + +sr = 44100 kr = 4410 -nchnls = 2 -0dbfs = 1 +nchnls = 2 +0dbfs = 1 seed 0 +; operator parameters and handles gkop[][] init 4, 12 giop[][] init 4, 12 + +; global instrument parameters and handles gkinstr[] init 8 giinstr[] init 8 + +; GUI spacing variables giopwidth = 200 gidiv = 60 + +; FLTK GUI objects for an operator opcode operator, 0, i iop xin ix = giopwidth * iop @@ -39,33 +53,18 @@ opcode operator, 0, i endop -opcode randomise, 0, 0 - iop = 0 - while (iop < 4) do - FLsetVal_i random(30, 63), giop[iop][0] - FLsetVal_i random(0, 3), giop[iop][1] - FLsetVal_i random(0, 15), giop[iop][2] - FLsetVal_i random(0, 15), giop[iop][3] - FLsetVal_i random(0, 15), giop[iop][4] - FLsetVal_i random(0, 15), giop[iop][5] - FLsetVal_i random(0, 7), giop[iop][6] - FLsetVal_i random(0, 15), giop[iop][7] - FLsetVal_i random(0, 1), giop[iop][8] - FLsetVal_i random(0, 1), giop[iop][9] - FLsetVal_i random(0, 1), giop[iop][10] - FLsetVal_i random(0, 1), giop[iop][11] - iop += 1 - od - FLsetVal_i random(0, 7), giinstr[2] - FLsetVal_i random(0, 7), giinstr[3] -endop +; run the GUI instr gui FLpanel "OPL3", 1000, 768 + + ; operator columns operator 0 operator 1 operator 2 operator 3 + + ; global column ix = 800 iy = 0 ihl FLbox "Globals", 1, 2, 14, giopwidth, 30, ix, iy @@ -81,12 +80,48 @@ instr gui knull1, inull1 FLbutton "Panic", 1, 0, 1, giopwidth, 30, ix, iy+(gidiv*6), 0, nstrnum("panic"), 0, 1 FLpanelEnd FLrun + + ; initially, hide the last two operators (ie non four-operator mode) event_i "i", "fouropset", 0, 1, 0 endin +; audio processing +instr main + + ; the synthesiser + giopl, aL, aR opl + outs aL, aR + + ; get operator handles and set the global instrument parameters from the FLTK widgets + iop1, iop2, iop3, iop4 oplinstrument giopl, gkinstr[0], gkinstr[1], gkinstr[2], gkinstr[3], gkinstr[4], gkinstr[5], gkinstr[6], gkinstr[7] + + ; set the operator parameters from the FLTK widgets + oploperator iop1, gkop[0][0], gkop[0][1], gkop[0][2], gkop[0][3], gkop[0][4], gkop[0][5], gkop[0][6], gkop[0][7], gkop[0][8], gkop[0][9], gkop[0][10], gkop[0][11] + oploperator iop2, gkop[1][0], gkop[1][1], gkop[1][2], gkop[1][3], gkop[1][4], gkop[1][5], gkop[1][6], gkop[1][7], gkop[1][8], gkop[1][9], gkop[1][10], gkop[1][11] + oploperator iop3, gkop[2][0], gkop[2][1], gkop[2][2], gkop[2][3], gkop[2][4], gkop[2][5], gkop[2][6], gkop[2][7], gkop[2][8], gkop[2][9], gkop[2][10], gkop[2][11] + oploperator iop4, gkop[3][0], gkop[3][1], gkop[3][2], gkop[3][3], gkop[3][4], gkop[3][5], gkop[3][6], gkop[3][7], gkop[3][8], gkop[3][9], gkop[3][10], gkop[3][11] + +endin + + +; respond to realtime MIDI input accordingly +instr 1 + inote notnum + iveloc veloc + oplnote giopl, 0, inote, iveloc +endin + + +; panic: reset the opl instance +instr panic + oplpanic giopl +endin + +; to be called when the '4OP' or 'Pseudo 4OP' buttons are pressed instr fouroptrig + ; elicit the state and call the set instrument kstate = 0 if (gkinstr[4] == 1 || gkinstr[5] == 1) then kstate = 1 @@ -95,6 +130,8 @@ instr fouroptrig turnoff endin + +; show/hide the last two operators depending on the value of p4 instr fouropset istate = p4 iop = 2 @@ -113,50 +150,30 @@ instr fouropset od endin + +; randomise slider values. NB does not actually work for the check boxes but they are still in here instr randomiser - randomise + iop = 0 + while (iop < 4) do + FLsetVal_i random(30, 63), giop[iop][0] + FLsetVal_i random(0, 3), giop[iop][1] + FLsetVal_i random(0, 15), giop[iop][2] + FLsetVal_i random(0, 15), giop[iop][3] + FLsetVal_i random(0, 15), giop[iop][4] + FLsetVal_i random(0, 15), giop[iop][5] + FLsetVal_i random(0, 7), giop[iop][6] + FLsetVal_i random(0, 15), giop[iop][7] + FLsetVal_i random(0, 1), giop[iop][8] + FLsetVal_i random(0, 1), giop[iop][9] + FLsetVal_i random(0, 1), giop[iop][10] + FLsetVal_i random(0, 1), giop[iop][11] + iop += 1 + od + FLsetVal_i random(0, 7), giinstr[2] + FLsetVal_i random(0, 7), giinstr[3] turnoff endin -instr main - giopl, aL, aR opl 5 - outs aL, aR - - - iop1, iop2, iop3, iop4 oplinstrument giopl, gkinstr[0], gkinstr[1], gkinstr[2], gkinstr[3], gkinstr[4], gkinstr[5], gkinstr[6], gkinstr[7] - - - ; level, keyscale, attack, decay - kattack init 2 - kdecay init 13 - - oploperator iop1, gkop[0][0], gkop[0][1], gkop[0][2], gkop[0][3], gkop[0][4], gkop[0][5], gkop[0][6], gkop[0][7], gkop[0][8], gkop[0][9], gkop[0][10], gkop[0][11] - oploperator iop2, gkop[1][0], gkop[1][1], gkop[1][2], gkop[1][3], gkop[1][4], gkop[1][5], gkop[1][6], gkop[1][7], gkop[1][8], gkop[1][9], gkop[1][10], gkop[1][11] - oploperator iop3, gkop[2][0], gkop[2][1], gkop[2][2], gkop[2][3], gkop[2][4], gkop[2][5], gkop[2][6], gkop[2][7], gkop[2][8], gkop[2][9], gkop[2][10], gkop[2][11] - oploperator iop4, gkop[3][0], gkop[3][1], gkop[3][2], gkop[3][3], gkop[3][4], gkop[3][5], gkop[3][6], gkop[3][7], gkop[3][8], gkop[3][9], gkop[3][10], gkop[3][11] - -endin - - -instr 2 - ;inotes[] fillarray 48, 52, 53, 57, 60, 64, 65, 69 - ;inote = 56;inotes[int(random(0, lenarray(inotes)-1))]-36 - oplnote giopl, 0, 60, 120 - oplnote giopl, 0, 64, 120 - oplnote giopl, 0, 65, 120 - oplnote giopl, 0, 69, 120 - -endin - -instr 1 - inote notnum - iveloc veloc - oplnote giopl, 0, inote, iveloc -endin - -instr panic - oplpanic giopl -endin </CsInstruments> |