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Text File  |  2007-12-03  |  7KB  |  188 lines
  1. /*
  2. Copyright 2007, Philip S. Considine
  3. All rights reserved.
  4.  
  5. Redistribution and use in source and binary forms, with or without modification, are permitted 
  6. provided that the following conditions are met:
  7.  
  8. Redistributions of source code must retain the above copyright notice, this list of conditions 
  9. and the following disclaimer. 
  10.  
  11. Redistributions in binary form must reproduce the above copyright notice, this list of conditions 
  12. and the following disclaimer in the documentation and/or other materials provided with the distribution. 
  13.  
  14. The name of Philip S. Considine may not be used to endorse or promote products derived from this
  15. software without specific prior written permission.
  16.  
  17. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 
  18. IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
  19. FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 
  20. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
  21. (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
  22. PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
  23. STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 
  24. THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. */
  26.  
  27. ////////////////////////////////////////////////////////////////////////////////////////////
  28. desc: MIDI Modification Gizmo. Click on edit for more info.
  29.  
  30. ////////////////////////////////////////////////////////////////////////////////////////////
  31.  
  32. //Input Channel
  33. slider1:0<0,15,1{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}>Input Channel
  34.  
  35. /*----------- NOTE MIN/MAX You can change these if you want! --------------*/
  36. //Sliders
  37. slider2:0<0,127,1>Note Min
  38. slider3:127<0,127,1>Note Max
  39.  
  40. //Drop-downs with note names (disabled)
  41. //slider2:0<0,127,1{C0,C#0,D0,D#0,E0,F0,F#0,G0,G#0,A0,A#0,B0,C1,C#1,D1,D#1,E1,F1,F#1,G1,G#1,A1,A#1,B1,C2,C#2,D2,D#2,E2,F2,F#2,G2,G#2,A2,A#2,B2,C3,C#3,D3,D#3,E3,F3,F#3,G3,G#3,A3,A#3,B3,C4,C#4,D4,D#4,E4,F4,F#4,G4,G#4,A4,A#4,B4,C5,C#5,D5,D#5,E5,F5,F#5,G5,G#5,A5,A#5,B5,C6,C#6,D6,D#6,E6,F6,F#6,G6,G#6,A6,A#6,B6,C7,C#7,D7,D#7,E7,F7,F#7,G7,G#7,A7,A#7,B7,C8,C#8,D8,D#8,E8,F8,F#8,G8,G#8,A8,A#8,B8,C9,C#9,D9,D#9,E9,F9,F#9,G9,G#9,A9,A#9,B9,C10,C#10,D10,D#10,E10,F10,F#10,G10}>Note Min
  42. //slider3:127<0,127,1{C0,C#0,D0,D#0,E0,F0,F#0,G0,G#0,A0,A#0,B0,C1,C#1,D1,D#1,E1,F1,F#1,G1,G#1,A1,A#1,B1,C2,C#2,D2,D#2,E2,F2,F#2,G2,G#2,A2,A#2,B2,C3,C#3,D3,D#3,E3,F3,F#3,G3,G#3,A3,A#3,B3,C4,C#4,D4,D#4,E4,F4,F#4,G4,G#4,A4,A#4,B4,C5,C#5,D5,D#5,E5,F5,F#5,G5,G#5,A5,A#5,B5,C6,C#6,D6,D#6,E6,F6,F#6,G6,G#6,A6,A#6,B6,C7,C#7,D7,D#7,E7,F7,F#7,G7,G#7,A7,A#7,B7,C8,C#8,D8,D#8,E8,F8,F#8,G8,G#8,A8,A#8,B8,C9,C#9,D9,D#9,E9,F9,F#9,G9,G#9,A9,A#9,B9,C10,C#10,D10,D#10,E10,F10,F#10,G10}>Note Max
  43. /*-------------------------------------------------------------------------*/
  44.  
  45. //Input Velocity Min
  46. slider4:0<0,127,1>Input Velocity Min
  47.  
  48. //Input Velocity Max
  49. slider5:127<0,127,1>Input Velocity Max
  50.  
  51. //Random Velocity
  52. slider6:0<0,100,1>Random Velocity (%)
  53.  
  54. //Output Velocity Min
  55. slider7:0<0,127,1>Output Velocity Min
  56.  
  57. //Output Velocity Max
  58. slider8:127<0,127,1>Output Velocity Max
  59.  
  60. //Transpose
  61. slider9:0<-60,60,1>Transpose (semitones)
  62.  
  63. //Random Pitch Bend
  64. slider10:0<0,100,1>Random Pitch (%)
  65.  
  66. //Output Channel
  67. slider11:0<0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,1{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}>Output Channel
  68.  
  69. ////////////////////////////////////////////////////////////////////////////////////////////
  70. @init
  71.  
  72. statNoteOff = 8 * 16;
  73. statNoteOn     = 9 * 16;
  74. statPitch = 14 * 16;
  75.  
  76. pitchCentre = 16384;
  77.  
  78. status = channel = velocity = note = transpose = pitch = doPitch = 0;
  79.  
  80. ////////////////////////////////////////////////////////////////////////////////////////////
  81. @slider
  82.  
  83. //No fractions!
  84. slider2 = floor(slider2);
  85. slider3 = floor(slider3);
  86. slider4 = floor(slider4);
  87. slider5 = floor(slider5);
  88. slider6 = floor(slider6);
  89. slider7 = floor(slider7);
  90. slider8 = floor(slider8);
  91. slider9 = floor(slider9);
  92. slider10 = floor(slider10);
  93.  
  94. //Clamp to respectable values
  95. slider2 > slider3 ? slider2 = slider3;
  96. slider3 < slider2 ? slider3 = slider2;
  97. slider4 > slider5 ? slider4 = slider5;
  98. slider5 < slider4 ? slider5 = slider4;
  99. slider6 < 0 ? slider6 = 0; slider6 > 100 ? slider6 = 100;
  100. slider7 > slider8 ? slider7 = slider8;
  101. slider8 < slider7 ? slider8 = slider7;
  102. slider9 < -60 ? slider9 = -60; slider9 > 660 ? slider9 = 60;
  103. slider10 < 0 ? slider10 = 0; slider10 > 100 ? slider10 = 100;
  104.  
  105. //Set variables
  106. inChannel = slider1;
  107. outChannel = slider11;
  108. noteMin = slider2;
  109. noteMax = slider3;
  110. inVelMin = slider4;
  111. inVelMax = slider5;
  112. velocityRand = slider6 / 100;
  113. outVelMin = slider7;
  114. outVelMax = slider8;
  115. transpose = slider9;
  116. pitchRand = slider10 / 100;
  117.  
  118. ////////////////////////////////////////////////////////////////////////////////////////////
  119. @block
  120. while
  121. (
  122.     midirecv(0,msg1,msg23) ?
  123.     (
  124.         //Reset pitch bend flag
  125.         doPitch = 0;
  126.         
  127.         //Check status byte
  128.         status = msg1 & 240;    //High four bits is message type (240 == 11110000)
  129.         channel = msg1 & 15;    //Low four bits is channel number (15 == 00001111)
  130.         
  131.         //Is it on our channel?
  132.         channel == inChannel ?
  133.         (
  134.             //Is it a note event?
  135.             (status == statNoteOn || status == statNoteOff) ?
  136.             (
  137.                 //Get note number
  138.                 note = msg23 & 127;
  139.                 
  140.                 //Is it within our note range?
  141.                 note >= noteMin && note <= noteMax ?
  142.                 (
  143.                     t += 1;
  144.                     osc = sin(t);    //used to make random values positive or negative 
  145.                     
  146.                     //Get velocity
  147.                     velocity = ((msg23/256) & 127);
  148.                                 
  149.                     //Do velocity. Velocity 0 is considered a note-off so don't clamp it
  150.                     velocity > 0 ?
  151.                     (                
  152.                         //Clamp input velocity
  153.                         velocity < inVelMin ? velocity = inVelMin;
  154.                         velocity > inVelMax ? velocity = inVelMax;
  155.                     
  156.                         //Randomise clamped velocity by percentage
  157.                         velocityRand > 0 ? velocity = floor(velocity + (rand(velocity * velocityRand)*osc));
  158.                     
  159.                         //Clamp output velocity
  160.                         velocity < outVelMin ? velocity = outVelMin;
  161.                         velocity > outVelMax ? velocity = outVelMax;
  162.                     );
  163.                                     
  164.                     //Do transpose and clamp result if needed
  165.                     note += transpose;
  166.                     note < 0 ? note = 0; note > 127 ? note = 127;
  167.                     
  168.                     //Update messages
  169.                     msg1 = status + outChannel;
  170.                     msg23 = note |(velocity * 256);
  171.                     
  172.                     //Flag to send pitchbend if needed
  173.                     pitchRand > 0 ? doPitch = 1;
  174.                 );
  175.             );
  176.         );
  177.     //Generate and send pitch bend message if needed
  178.     doPitch > 0 ?
  179.     (
  180.         pitch = pitchCentre + floor(rand(pitchCentre * pitchRand)* osc);
  181.         midisend(offset, statPitch + outChannel, pitch);
  182.     );
  183.     
  184.     //Send data
  185.     midisend(0,msg1,msg23);
  186.     );
  187. );
  188.