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/**
  Copyright (C) 2012-2024 by Autodesk, Inc.
  All rights reserved.
 
  FANUC post processor configuration.
 
  $Revision: 44115 1104db9da08471dc1d758431fd9ef8822fd95c21 $
  $Date: 2024-03-12 07:10:57 $
 
  FORKID {1DACCE16-E73F-44A2-9A23-061EE2641D05}
*/
 
description = "CR Onsrud 5-axis Router with saw blade support";
vendor = "C.R. Onsrud";
legal = "Copyright (C) 2012-2024 by Autodesk, Inc.";
certificationLevel = 2;
minimumRevision = 45702;
 
longDescription = "CR Onsrud 5-axis Router with saw blade support on a Fanuc 31i control.";
 
extension = "nc";
programNameIsInteger = true;
setCodePage("ascii");
 
capabilities = CAPABILITY_MILLING;
tolerance = spatial(0.002, MM);
 
minimumChordLength = spatial(0.25, MM);
minimumCircularRadius = spatial(0.01, MM);
maximumCircularRadius = spatial(1000, MM);
minimumCircularSweep = toRad(0.01);
maximumCircularSweep = toRad(180);
allowHelicalMoves = true;
allowedCircularPlanes = undefined; // allow any circular motion
 
// user-defined properties
properties = {
  writeMachine: {
    title      : "Write machine",
    description: "Output the machine settings in the header of the code.",
    group      : "formats",
    type       : "boolean",
    value      : true,
    scope      : "post"
  },
  writeTools: {
    title      : "Write tool list",
    description: "Output a tool list in the header of the code.",
    group      : "formats",
    type       : "boolean",
    value      : true,
    scope      : "post"
  },
  showSequenceNumbers: {
    title      : "Use sequence numbers",
    description: "'Yes' outputs sequence numbers on each block, 'Only on tool change' outputs sequence numbers on tool change blocks only, and 'No' disables the output of sequence numbers.",
    group      : "formats",
    type       : "enum",
    values     : [
      {title:"Yes", id:"true"},
      {title:"No", id:"false"},
      {title:"Only on tool change", id:"toolChange"}
    ],
    value: "true",
    scope: "post"
  },
  sequenceNumberStart: {
    title      : "Start sequence number",
    description: "The number at which to start the sequence numbers.",
    group      : "formats",
    type       : "integer",
    value      : 10,
    scope      : "post"
  },
  sequenceNumberIncrement: {
    title      : "Sequence number increment",
    description: "The amount by which the sequence number is incremented by in each block.",
    group      : "formats",
    type       : "integer",
    value      : 5,
    scope      : "post"
  },
  optionalStop: {
    title      : "Optional stop",
    description: "Outputs optional stop code during when necessary in the code.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  separateWordsWithSpace: {
    title      : "Separate words with space",
    description: "Adds spaces between words if 'yes' is selected.",
    group      : "formats",
    type       : "boolean",
    value      : true,
    scope      : "post"
  },
  allow3DArcs: {
    title      : "Allow 3D arcs",
    description: "Specifies that 3D circular arcs are allowed.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  useRadius: {
    title      : "Radius arcs",
    description: "If yes is selected, arcs are outputted using radius values rather than IJK.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  forceIJK: {
    title      : "Force IJK",
    description: "Force the output of IJK for G2/G3 when not using R mode.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  useParametricFeed: {
    title      : "Parametric feed",
    description: "Specifies the feed value that should be output using a Q value.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  showNotes: {
    title      : "Show notes",
    description: "Writes operation notes as comments in the outputted code.",
    group      : "formats",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  useSmoothing: {
    title      : "Use smoothing",
    description: "Specifies if smoothing should be used or not.",
    group      : "preferences",
    type       : "enum",
    values     : [
      {title:"Off", id:"-1"},
      {title:"Automatic", id:"9999"},
      {title:"Level 1", id:"1"},
      {title:"Level 2", id:"2"},
      {title:"Level 3", id:"3"},
      {title:"Level 4", id:"4"},
      {title:"Level 5", id:"5"},
      {title:"Level 6", id:"6"},
      {title:"Level 7", id:"7"},
      {title:"Level 8", id:"8"},
      {title:"Level 9", id:"9"},
      {title:"Level 10", id:"10"},
    ],
    value: "7",
    scope: "post"
  },
  usePitchForTapping: {
    title      : "Use pitch for tapping",
    description: "Enables the use of pitch instead of feed for the F-word in canned tapping cycles. Your CNC control must be setup for pitch mode!",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  useG95: {
    title      : "Use G95",
    description: "Use IPR/MPR instead of IPM/MPM.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  maxTool: {
    title      : "Max tool number",
    description: "Defines the maximum tool number.",
    group      : "configuration",
    type       : "integer",
    range      : [0, 999999999],
    value      : 32,
    scope      : "post"
  },
  vacuumTable: {
    title      : "Vacuum table",
    description: "Defines the vacuum table.",
    group      : "configuration",
    type       : "integer",
    values     : [
      {id:0, title:"No vacuum"},
      {id:1, title:"Table"},
      {id:2, title:"Table 2"},
      {id:3, title:"Both tables"}
    ],
    value: 0,
    scope: "post"
  },
  safeRetractDistance: {
    title      : "Safe retract distance",
    description: "Adds this distance to the tool length for the C-axis rewind tool retract.",
    group      : "multiAxis",
    type       : "integer",
    value      : 0,
    scope      : "post"
  },
  hoodControl: {
    title      : "Hood control",
    description: "Turn on to use M96 hood control.",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  useRigidTapping: {
    title      : "Use rigid tapping",
    description: "Select 'Yes' to enable, 'No' to disable, or 'Without spindle direction' to enable rigid tapping without outputting the spindle direction block.",
    group      : "preferences",
    type       : "enum",
    values     : [
      {title:"Yes", id:"yes"},
      {title:"No", id:"no"},
      {title:"Without spindle direction", id:"without"}
    ],
    value: "yes",
    scope: "post"
  },
  sawCenterDistance: {
    title      : "Distance from aggregate face to center in inches",
    description: "Enter the distance from the aggregate spindle face to the center of the aggregate in inches. Used for saws.",
    group      : "saw",
    type       : "spatial",
    value      : 3.022,
    scope      : "post"
  },
  sawPivotDistance: {
    title      : "Distance from aggregate center to spindle face in inches",
    description: "Enter the distance from the center of the aggregate to the machine spindle face in inches. Used for saws.",
    group      : "saw",
    type       : "spatial",
    value      : 0.36,
    scope      : "post"
  },
  sawBaseAngle: {
    title      : "Base angle of saw",
    description: "Enter the C-axis angle when the saw tool axis vector is pointing in the +X direction.",
    group      : "saw",
    type       : "spatial",
    value      : 90,
    scope      : "post"
  },
  hoodPosition: {
    title      : "Hood position in inches",
    description: "Enter the hood position for non-saw operations in inches.  This value is stored in register #900.",
    group      : "preferences",
    type       : "spatial",
    value      : 0,
    scope      : "post"
  },
  sawHoodPosition: {
    title      : "Saw hood position in inches",
    description: "Enter the hood position for saw operations in inches.  This value is stored in register #900.",
    group      : "saw",
    type       : "spatial",
    value      : 3,
    scope      : "post"
  },
};
 
groupDefinitions = {
  saw: {title:"Saw Aggregate", collapsed:true, description:"Settings related to an aggregate saw attachment", order:25},
};
 
// wcs definiton
wcsDefinitions = {
  useZeroOffset: false,
  wcs          : [
    {name:"Standard", format:"G", range:[55, 59]}
  ]
};
 
var singleLineCoolant = false; // specifies to output multiple coolant codes in one line rather than in separate lines
// samples:
// {id: COOLANT_THROUGH_TOOL, on: 88, off: 89}
// {id: COOLANT_THROUGH_TOOL, on: [8, 88], off: [9, 89]}
// {id: COOLANT_THROUGH_TOOL, on: "M88 P3 (myComment)", off: "M89"}
var coolants = [
  {id:COOLANT_FLOOD, on:8},
  {id:COOLANT_MIST},
  {id:COOLANT_THROUGH_TOOL, on:88, off:89},
  {id:COOLANT_AIR, on:7},
  {id:COOLANT_AIR_THROUGH_TOOL},
  {id:COOLANT_SUCTION},
  {id:COOLANT_FLOOD_MIST},
  {id:COOLANT_FLOOD_THROUGH_TOOL},
  {id:COOLANT_OFF, off:9}
];
 
var permittedCommentChars = " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,=_-";
 
var gFormat = createFormat({prefix:"G", width:2, zeropad:true, decimals:1});
var mFormat = createFormat({prefix:"M", width:2, zeropad:true, decimals:1});
var hFormat = createFormat({prefix:"H", width:2, zeropad:true, decimals:1});
var dFormat = createFormat({prefix:"D", width:2, zeropad:true, decimals:1});
 
var xyzFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var ijkFormat = createFormat({decimals:6, forceDecimal:true}); // unitless
var rFormat = xyzFormat; // radius
var abcFormat = createFormat({decimals:3, forceDecimal:true, scale:DEG});
var feedFormat = createFormat({decimals:(unit == MM ? 0 : 1), forceDecimal:true});
var pitchFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var toolFormat = createFormat({decimals:0});
var rpmFormat = createFormat({decimals:0});
var secFormat = createFormat({decimals:3, forceDecimal:true}); // seconds - range 0.001-99999.999
var milliFormat = createFormat({decimals:0}); // milliseconds // range 1-9999
var taperFormat = createFormat({decimals:1, scale:DEG});
var peckFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
// var peckFormat = createFormat({decimals:0, forceDecimal:false, trim:false, width:4, zeropad:true, scale:(unit == MM ? 1000 : 10000)});
var hoodPositionFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:false});
 
var xOutput = createVariable({prefix:"X"}, xyzFormat);
var yOutput = createVariable({prefix:"Y"}, xyzFormat);
var zOutput = createVariable({onchange:function() {retracted = false;}, prefix:"Z"}, xyzFormat);
var aOutput = createVariable({prefix:"A"}, abcFormat);
var bOutput = createVariable({prefix:"B"}, abcFormat);
var cOutput = createVariable({prefix:"C"}, abcFormat);
var sawOutput = createVariable({prefix:"C"}, abcFormat);
var feedOutput = createVariable({prefix:"F"}, feedFormat);
var pitchOutput = createVariable({prefix:"F", force:true}, pitchFormat);
var sOutput = createVariable({prefix:"S", force:true}, rpmFormat);
var dOutput = createVariable({}, dFormat);
var peckOutput = createVariable({prefix:"Q", force:true}, peckFormat);
 
// circular output
var iOutput = createReferenceVariable({prefix:"I"}, xyzFormat);
var jOutput = createReferenceVariable({prefix:"J"}, xyzFormat);
var kOutput = createReferenceVariable({prefix:"K"}, xyzFormat);
 
var gMotionModal = createModal({}, gFormat); // modal group 1 // G0-G3, ...
var gPlaneModal = createModal({onchange:function () {gMotionModal.reset();}}, gFormat); // modal group 2 // G17-19
var gAbsIncModal = createModal({}, gFormat); // modal group 3 // G90-91
var gFeedModeModal = createModal({}, gFormat); // modal group 5 // G94-95
var gUnitModal = createModal({}, gFormat); // modal group 6 // G20-21
var gCycleModal = createModal({}, gFormat); // modal group 9 // G81, ...
var gRetractModal = createModal({}, gFormat); // modal group 10 // G98-99
var gRotationModal = createModal({}, gFormat); // modal group 16 // G68-G69
 
// fixed settings
var firstFeedParameter = 500;
var useMultiAxisFeatures = true;
var forceMultiAxisIndexing = false; // force multi-axis indexing for 3D programs
var safeRetractFeed = (unit == IN) ? 40 : 1000;
var safePlungeFeed = (unit == IN) ? 25 : 625;
var cancelTiltFirst = true; // cancel G68.2 with G69 prior to G54-G59 WCS block
var useABCPrepositioning = false; // position ABC axes prior to G68.2 block
 
var WARNING_WORK_OFFSET = 0;
 
// collected state
var sequenceNumber;
var forceSpindleSpeed = false;
var currentWorkOffset;
var optionalSection = false;
var activeMovements; // do not use by default
var currentFeedId;
var retracted = false; // specifies that the tool has been retracted to the safe plane
var sawIsActive = false;
 
/**
  Writes the specified block.
*/
function writeBlock() {
  var text = formatWords(arguments);
  if (!text) {
    return;
  }
  if (getProperty("showSequenceNumbers") == "true") {
    if (optionalSection) {
      if (text) {
        writeWords("/", "N" + sequenceNumber, text);
      }
    } else {
      writeWords2("N" + sequenceNumber, arguments);
    }
    sequenceNumber += getProperty("sequenceNumberIncrement");
  } else {
    if (optionalSection) {
      writeWords2("/", arguments);
    } else {
      writeWords(arguments);
    }
  }
}
 
/**
  Writes the specified optional block.
*/
function writeOptionalBlock() {
  if (getProperty("showSequenceNumbers") == "true") {
    var words = formatWords(arguments);
    if (words) {
      writeWords("/", "N" + sequenceNumber, words);
      sequenceNumber += getProperty("sequenceNumberIncrement");
    }
  } else {
    writeWords2("/", arguments);
  }
}
 
function formatComment(text) {
  return "(" + filterText(String(text).toUpperCase(), permittedCommentChars).replace(/[()]/g, "") + ")";
}
 
/**
  Writes the specified block - used for tool changes only.
*/
function writeToolBlock() {
  var show = getProperty("showSequenceNumbers");
  setProperty("showSequenceNumbers", (show == "true" || show == "toolChange") ? "true" : "false");
  writeBlock(arguments);
  setProperty("showSequenceNumbers", show);
}
 
/**
  Output a comment.
*/
function writeComment(text) {
  writeln(formatComment(text));
}
 
function onOpen() {
  if (getProperty("useRadius")) {
    maximumCircularSweep = toRad(90); // avoid potential center calculation errors for CNC
  }
  gRotationModal.format(69); // Default to G69 Rotation Off
 
  if (getProperty("vacuumTable") > 3) {
    error(localize("Property 'vacummTable' must be set to 0-3."));
    return;
  }
 
  if (getProperty("has5Axis")) { // note: setup your machine here
    var aAxis = createAxis({coordinate:0, table:false, axis:[-1, 0, 0], range:[-115, 115], cyclic:false});
    var cAxis = createAxis({coordinate:2, table:false, axis:[0, 0, -1], range:[-115, 300], cyclic:false, preference:1});
    machineConfiguration = new MachineConfiguration(aAxis, cAxis);
 
    setMachineConfiguration(machineConfiguration);
    optimizeMachineAngles2(0); // TCP mode
  }
 
  if (!machineConfiguration.isMachineCoordinate(0)) {
    aOutput.disable();
  }
  if (!machineConfiguration.isMachineCoordinate(1)) {
    bOutput.disable();
  }
  if (!machineConfiguration.isMachineCoordinate(2)) {
    cOutput.disable();
  }
 
  if (!getProperty("separateWordsWithSpace")) {
    setWordSeparator("");
  }
 
  if (getProperty("forceIJK")) {
    iOutput = createReferenceVariable({prefix:"I", force:true}, xyzFormat);
    jOutput = createReferenceVariable({prefix:"J", force:true}, xyzFormat);
    kOutput = createReferenceVariable({prefix:"K", force:true}, xyzFormat);
  }
 
  sequenceNumber = getProperty("sequenceNumberStart");
  writeln("%");
 
  if (programName) {
    var programId;
    try {
      programId = getAsInt(programName);
    } catch (e) {
      error(localize("Program name must be a number."));
      return;
    }
    if (!((programId >= 1) && (programId <= 9999))) {
      error(localize("Program number is out of range."));
      return;
    }
    if ((programId >= 8000) && (programId <= 9999)) {
      warning(localize("Program number is reserved by tool builder."));
    }
    var oFormat = createFormat({width:4, zeropad:true, decimals:0});
    if (programComment) {
      writeln("O" + oFormat.format(programId) + " (" + filterText(String(programComment).toUpperCase(), permittedCommentChars) + ")");
    } else {
      writeln("O" + oFormat.format(programId));
    }
  } else {
    error(localize("Program name has not been specified."));
    return;
  }
 
  // dump machine configuration
  var vendor = machineConfiguration.getVendor();
  var model = machineConfiguration.getModel();
  var description = machineConfiguration.getDescription();
 
  if (getProperty("writeMachine") && (vendor || model || description)) {
    writeComment(localize("Machine"));
    if (vendor) {
      writeComment("  " + localize("vendor") + ": " + vendor);
    }
    if (model) {
      writeComment("  " + localize("model") + ": " + model);
    }
    if (description) {
      writeComment("  " + localize("description") + ": "  + description);
    }
  }
 
  // dump tool information
  if (getProperty("writeTools")) {
    var zRanges = {};
    if (is3D()) {
      var numberOfSections = getNumberOfSections();
      for (var i = 0; i < numberOfSections; ++i) {
        var section = getSection(i);
        var zRange = section.getGlobalZRange();
        var tool = section.getTool();
        if (zRanges[tool.number]) {
          zRanges[tool.number].expandToRange(zRange);
        } else {
          zRanges[tool.number] = zRange;
        }
      }
    }
 
    var tools = getToolTable();
    if (tools.getNumberOfTools() > 0) {
      for (var i = 0; i < tools.getNumberOfTools(); ++i) {
        var tool = tools.getTool(i);
        var comment = "T" + toolFormat.format(tool.number) + " " +
          "D=" + xyzFormat.format(tool.diameter) + " " +
          localize("CR") + "=" + xyzFormat.format(tool.cornerRadius);
        if ((tool.taperAngle > 0) && (tool.taperAngle < Math.PI)) {
          comment += " " + localize("TAPER") + "=" + taperFormat.format(tool.taperAngle) + localize("deg");
        }
        if (zRanges[tool.number]) {
          comment += " - " + localize("ZMIN") + "=" + xyzFormat.format(zRanges[tool.number].getMinimum());
        }
        comment += " - " + getToolTypeName(tool.type);
        writeComment(comment);
      }
    }
  }
 
  if (false) {
    // check for duplicate tool number
    for (var i = 0; i < getNumberOfSections(); ++i) {
      var sectioni = getSection(i);
      var tooli = sectioni.getTool();
      for (var j = i + 1; j < getNumberOfSections(); ++j) {
        var sectionj = getSection(j);
        var toolj = sectionj.getTool();
        if (tooli.number == toolj.number) {
          if (xyzFormat.areDifferent(tooli.diameter, toolj.diameter) ||
              xyzFormat.areDifferent(tooli.cornerRadius, toolj.cornerRadius) ||
              abcFormat.areDifferent(tooli.taperAngle, toolj.taperAngle) ||
              (tooli.numberOfFlutes != toolj.numberOfFlutes)) {
            error(
              subst(
                localize("Using the same tool number for different cutter geometry for operation '%1' and '%2'."),
                sectioni.hasParameter("operation-comment") ? sectioni.getParameter("operation-comment") : ("#" + (i + 1)),
                sectionj.hasParameter("operation-comment") ? sectionj.getParameter("operation-comment") : ("#" + (j + 1))
              )
            );
            return;
          }
        }
      }
    }
  }
 
  if ((getNumberOfSections() > 0) && (getSection(0).workOffset == 0)) {
    for (var i = 0; i < getNumberOfSections(); ++i) {
      if (getSection(i).workOffset > 0) {
        error(localize("Using multiple work offsets is not possible if the initial work offset is 0."));
        return;
      }
    }
  }
 
  // Output initial safe block
  zOutput.reset();
  writeRetract(Z);
  if (getProperty("has5Axis")) {
    forceABC();
    writeBlock(gFormat.format(0), gFormat.format(91), gFormat.format(28), aOutput.format(0), cOutput.format(0));
  }
  writeBlock(gPlaneModal.format(17), ((unit == IN) ? gUnitModal.format(20) : gUnitModal.format(21)), gFormat.format(40), gFormat.format(49));
  writeBlock(gFormat.format(64), gFormat.format(69), gCycleModal.format(80), gFormat.format(90), gFeedModeModal.format(getProperty("useG95") ? 95 : 94));
  gAbsIncModal.reset();
  gMotionModal.reset();
  // writeBlock(gFormat.format(59));
 
  if (getProperty("vacuumTable") > 0) {
    var vacuumCodes = [131, 132, 130];
    writeBlock(mFormat.format(vacuumCodes[getProperty("vacuumTable") - 1]));
  }
 
  // writeBlock(mFormat.format(124), formatComment("SPINDLE BLAST GATE OPEN"));  // required for some machines
 
  if (getProperty("useG95") && getProperty("useParametricFeed")) {
    error(localize("Parametric feed is not supported when using G95."));
    return;
  }
 
  if (getProperty("useG95")) {
    feedFormat = createFormat({decimals:(unit == MM ? 4 : 5), forceDecimal:true});
    feedOutput = createVariable({prefix:"F"}, feedFormat);
  }
}
 
function onComment(message) {
  var comments = String(message).split(";");
  for (comment in comments) {
    writeComment(comments[comment]);
  }
}
 
/** Force output of X, Y, and Z. */
function forceXYZ() {
  xOutput.reset();
  yOutput.reset();
  zOutput.reset();
}
 
/** Force output of A, B, and C. */
function forceABC() {
  aOutput.reset();
  bOutput.reset();
  cOutput.reset();
}
 
function forceFeed() {
  currentFeedId = undefined;
  feedOutput.reset();
}
 
/** Force output of X, Y, Z, A, B, C, and F on next output. */
function forceAny() {
  forceXYZ();
  forceABC();
  forceFeed();
}
 
function forceModals() {
  if (arguments.length == 0) { // reset all modal variables listed below
    if (typeof gMotionModal != "undefined") {
      gMotionModal.reset();
    }
    if (typeof gPlaneModal != "undefined") {
      gPlaneModal.reset();
    }
    if (typeof gAbsIncModal != "undefined") {
      gAbsIncModal.reset();
    }
    if (typeof gFeedModeModal != "undefined") {
      gFeedModeModal.reset();
    }
  } else {
    for (var i in arguments) {
      arguments[i].reset(); // only reset the modal variable passed to this function
    }
  }
}
 
var lengthCompensationActive = false;
 
/** Disables length compensation if currently active or if forced. */
function disableLengthCompensation(force) {
  if (lengthCompensationActive || force) {
    writeBlock(gFormat.format(49));
    lengthCompensationActive = false;
  }
}
 
// Start of smoothing logic
var smoothingSettings = {
  roughing              : 1, // roughing level for smoothing in automatic mode
  semi                  : 3, // semi-roughing level for smoothing in automatic mode
  semifinishing         : 5, // semi-finishing level for smoothing in automatic mode
  finishing             : 7, // finishing level for smoothing in automatic mode
  thresholdRoughing     : toPreciseUnit(0.5, MM), // operations with stock/tolerance above that threshold will use roughing level in automatic mode
  thresholdFinishing    : toPreciseUnit(0.05, MM), // operations with stock/tolerance below that threshold will use finishing level in automatic mode
  thresholdSemiFinishing: toPreciseUnit(0.1, MM), // operations with stock/tolerance above finishing and below threshold roughing that threshold will use semi finishing level in automatic mode
 
  differenceCriteria: "level", // options: "level", "tolerance", "both". Specifies criteria when output smoothing codes
  autoLevelCriteria : "stock", // use "stock" or "tolerance" to determine levels in automatic mode
  cancelCompensation: true // tool length compensation must be canceled prior to changing the smoothing level
};
 
// collected state below, do not edit
var smoothing = {
  cancel     : false, // cancel tool length prior to update smoothing for this operation
  isActive   : false, // the current state of smoothing
  isAllowed  : false, // smoothing is allowed for this operation
  isDifferent: false, // tells if smoothing levels/tolerances/both are different between operations
  level      : -1, // the active level of smoothing
  tolerance  : -1, // the current operation tolerance
  force      : false // smoothing needs to be forced out in this operation
};
 
function initializeSmoothing() {
  var previousLevel = smoothing.level;
  var previousTolerance = smoothing.tolerance;
 
  // determine new smoothing levels and tolerances
  smoothing.level = parseInt(getProperty("useSmoothing"), 10);
  smoothing.tolerance = Math.max(getParameter("operation:tolerance"), 0);
 
  // automatically determine smoothing level
  if (smoothing.level == 9999) {
    if (smoothingSettings.autoLevelCriteria == "stock") { // determine auto smoothing level based on stockToLeave
      var stockToLeave = xyzFormat.getResultingValue(getParameter("operation:stockToLeave", 0));
      var verticalStockToLeave = xyzFormat.getResultingValue(getParameter("operation:verticalStockToLeave", 0));
      if ((stockToLeave >= smoothingSettings.thresholdRoughing) && (verticalStockToLeave >= smoothingSettings.thresholdRoughing)) {
        smoothing.level = smoothingSettings.roughing; // set roughing level
      } else {
        if (((stockToLeave >= smoothingSettings.thresholdSemiFinishing) && (stockToLeave < smoothingSettings.thresholdRoughing)) &&
          ((verticalStockToLeave >= smoothingSettings.thresholdSemiFinishing) && (verticalStockToLeave  < smoothingSettings.thresholdRoughing))) {
          smoothing.level = smoothingSettings.semi; // set semi level
        } else if (((stockToLeave >= smoothingSettings.thresholdFinishing) && (stockToLeave < smoothingSettings.thresholdSemiFinishing)) &&
          ((verticalStockToLeave >= smoothingSettings.thresholdFinishing) && (verticalStockToLeave  < smoothingSettings.thresholdSemiFinishing))) {
          smoothing.level = smoothingSettings.semifinishing; // set semi-finishing level
        } else {
          smoothing.level = smoothingSettings.finishing; // set finishing level
        }
      }
    } else { // detemine auto smoothing level based on operation tolerance instead of stockToLeave
      if (smoothing.tolerance >= smoothingSettings.thresholdRoughing) {
        smoothing.level = smoothingSettings.roughing; // set roughing level
      } else {
        if (((smoothing.tolerance >= smoothingSettings.thresholdSemiFinishing) && (smoothing.tolerance < smoothingSettings.thresholdRoughing))) {
          smoothing.level = smoothingSettings.semi; // set semi level
        } else if (((smoothing.tolerance >= smoothingSettings.thresholdFinishing) && (smoothing.tolerance < smoothingSettings.thresholdSemiFinishing))) {
          smoothing.level = smoothingSettings.semifinishing; // set semi-finishing level
        } else {
          smoothing.level = smoothingSettings.finishing; // set finishing level
        }
      }
    }
  }
  if (smoothing.level == -1) { // useSmoothing is disabled
    smoothing.isAllowed = false;
  } else { // do not output smoothing for the following operations
    smoothing.isAllowed = !(currentSection.getTool().type == TOOL_PROBE || currentSection.checkGroup(STRATEGY_DRILLING));
  }
  if (!smoothing.isAllowed) {
    smoothing.level = -1;
    smoothing.tolerance = -1;
  }
 
  switch (smoothingSettings.differenceCriteria) {
  case "level":
    smoothing.isDifferent = smoothing.level != previousLevel;
    break;
  case "tolerance":
    smoothing.isDifferent = xyzFormat.areDifferent(smoothing.tolerance, previousTolerance);
    break;
  case "both":
    smoothing.isDifferent = smoothing.level != previousLevel || xyzFormat.areDifferent(smoothing.tolerance, previousTolerance);
    break;
  default:
    error(localize("Unsupported smoothing criteria."));
    return;
  }
 
  // tool length compensation needs to be canceled when smoothing state/level changes
  if (smoothingSettings.cancelCompensation) {
    smoothing.cancel = !isFirstSection() && smoothing.isDifferent;
  }
}
 
function setSmoothing(mode) {
  if (mode == smoothing.isActive && (!mode || !smoothing.isDifferent) && !smoothing.force) {
    return; // return if smoothing is already active or is not different
  }
  if (typeof lengthCompensationActive != "undefined" && smoothingSettings.cancelCompensation) {
    validate(!lengthCompensationActive, "Length compensation is active while trying to update smoothing.");
  }
  if (mode) { // enable smoothing
    writeBlock(gFormat.format(5.1), "Q1", "R" + smoothing.level);
  } else { // disable smoothing
    writeBlock(gFormat.format(5.1), "Q0");
  }
  smoothing.isActive = mode;
  smoothing.force = false;
  smoothing.isDifferent = false;
}
// End of smoothing logic
 
function FeedContext(id, description, feed) {
  this.id = id;
  this.description = description;
  this.feed = feed;
}
 
function getFeed(f) {
  if (getProperty("useG95")) {
    return feedOutput.format(f / spindleSpeed); // use feed value
  }
  if (activeMovements) {
    var feedContext = activeMovements[movement];
    if (feedContext != undefined) {
      if (!feedFormat.areDifferent(feedContext.feed, f)) {
        if (feedContext.id == currentFeedId) {
          return ""; // nothing has changed
        }
        forceFeed();
        currentFeedId = feedContext.id;
        return "F#" + (firstFeedParameter + feedContext.id);
      }
    }
    currentFeedId = undefined; // force Q feed next time
  }
  return feedOutput.format(f); // use feed value
}
 
function initializeActiveFeeds() {
  activeMovements = new Array();
  var movements = currentSection.getMovements();
 
  var id = 0;
  var activeFeeds = new Array();
  if (hasParameter("operation:tool_feedCutting")) {
    if (movements & ((1 << MOVEMENT_CUTTING) | (1 << MOVEMENT_LINK_TRANSITION) | (1 << MOVEMENT_EXTENDED))) {
      var feedContext = new FeedContext(id, localize("Cutting"), getParameter("operation:tool_feedCutting"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_CUTTING] = feedContext;
      if (!hasParameter("operation:tool_feedTransition")) {
        activeMovements[MOVEMENT_LINK_TRANSITION] = feedContext;
      }
      activeMovements[MOVEMENT_EXTENDED] = feedContext;
    }
    ++id;
    if (movements & (1 << MOVEMENT_PREDRILL)) {
      feedContext = new FeedContext(id, localize("Predrilling"), getParameter("operation:tool_feedCutting"));
      activeMovements[MOVEMENT_PREDRILL] = feedContext;
      activeFeeds.push(feedContext);
    }
    ++id;
  }
 
  if (hasParameter("operation:finishFeedrate")) {
    if (movements & (1 << MOVEMENT_FINISH_CUTTING)) {
      var feedContext = new FeedContext(id, localize("Finish"), getParameter("operation:finishFeedrate"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_FINISH_CUTTING] = feedContext;
    }
    ++id;
  } else if (hasParameter("operation:tool_feedCutting")) {
    if (movements & (1 << MOVEMENT_FINISH_CUTTING)) {
      var feedContext = new FeedContext(id, localize("Finish"), getParameter("operation:tool_feedCutting"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_FINISH_CUTTING] = feedContext;
    }
    ++id;
  }
 
  if (hasParameter("operation:tool_feedEntry")) {
    if (movements & (1 << MOVEMENT_LEAD_IN)) {
      var feedContext = new FeedContext(id, localize("Entry"), getParameter("operation:tool_feedEntry"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_LEAD_IN] = feedContext;
    }
    ++id;
  }
 
  if (hasParameter("operation:tool_feedExit")) {
    if (movements & (1 << MOVEMENT_LEAD_OUT)) {
      var feedContext = new FeedContext(id, localize("Exit"), getParameter("operation:tool_feedExit"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_LEAD_OUT] = feedContext;
    }
    ++id;
  }
 
  if (hasParameter("operation:noEngagementFeedrate")) {
    if (movements & (1 << MOVEMENT_LINK_DIRECT)) {
      var feedContext = new FeedContext(id, localize("Direct"), getParameter("operation:noEngagementFeedrate"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_LINK_DIRECT] = feedContext;
    }
    ++id;
  } else if (hasParameter("operation:tool_feedCutting") &&
             hasParameter("operation:tool_feedEntry") &&
             hasParameter("operation:tool_feedExit")) {
    if (movements & (1 << MOVEMENT_LINK_DIRECT)) {
      var feedContext = new FeedContext(id, localize("Direct"), Math.max(getParameter("operation:tool_feedCutting"), getParameter("operation:tool_feedEntry"), getParameter("operation:tool_feedExit")));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_LINK_DIRECT] = feedContext;
    }
    ++id;
  }
 
  if (hasParameter("operation:reducedFeedrate")) {
    if (movements & (1 << MOVEMENT_REDUCED)) {
      var feedContext = new FeedContext(id, localize("Reduced"), getParameter("operation:reducedFeedrate"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_REDUCED] = feedContext;
    }
    ++id;
  }
 
  if (hasParameter("operation:tool_feedRamp")) {
    if (movements & ((1 << MOVEMENT_RAMP) | (1 << MOVEMENT_RAMP_HELIX) | (1 << MOVEMENT_RAMP_PROFILE) | (1 << MOVEMENT_RAMP_ZIG_ZAG))) {
      var feedContext = new FeedContext(id, localize("Ramping"), getParameter("operation:tool_feedRamp"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_RAMP] = feedContext;
      activeMovements[MOVEMENT_RAMP_HELIX] = feedContext;
      activeMovements[MOVEMENT_RAMP_PROFILE] = feedContext;
      activeMovements[MOVEMENT_RAMP_ZIG_ZAG] = feedContext;
    }
    ++id;
  }
  if (hasParameter("operation:tool_feedPlunge")) {
    if (movements & (1 << MOVEMENT_PLUNGE)) {
      var feedContext = new FeedContext(id, localize("Plunge"), getParameter("operation:tool_feedPlunge"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_PLUNGE] = feedContext;
    }
    ++id;
  }
  if (true) { // high feed
    if ((movements & (1 << MOVEMENT_HIGH_FEED)) || (highFeedMapping != HIGH_FEED_NO_MAPPING)) {
      var feed;
      if (hasParameter("operation:highFeedrateMode") && getParameter("operation:highFeedrateMode") != "disabled") {
        feed = getParameter("operation:highFeedrate");
      } else {
        feed = this.highFeedrate;
      }
      var feedContext = new FeedContext(id, localize("High Feed"), feed);
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_HIGH_FEED] = feedContext;
      activeMovements[MOVEMENT_RAPID] = feedContext;
    }
    ++id;
  }
  if (hasParameter("operation:tool_feedTransition")) {
    if (movements & (1 << MOVEMENT_LINK_TRANSITION)) {
      var feedContext = new FeedContext(id, localize("Transition"), getParameter("operation:tool_feedTransition"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_LINK_TRANSITION] = feedContext;
    }
    ++id;
  }
 
  for (var i = 0; i < activeFeeds.length; ++i) {
    var feedContext = activeFeeds[i];
    writeBlock("#" + (firstFeedParameter + feedContext.id) + "=" + feedFormat.format(feedContext.feed), formatComment(feedContext.description));
  }
}
 
var currentWorkPlaneABC = undefined;
 
function forceWorkPlane() {
  currentWorkPlaneABC = undefined;
}
 
function cancelWorkPlane() {
  writeBlock(gRotationModal.format(69)); // cancel frame
  forceWorkPlane();
}
 
function positionABC(abc, force) {
  if (typeof unwindABC == "function") {
    unwindABC(abc, false);
  }
  if (force) {
    forceABC();
  }
  var a = aOutput.format(abc.x);
  var b = bOutput.format(abc.y);
  var c = cOutput.format(abc.z);
  if (a || b || c) {
    if (!retracted) {
      if (typeof moveToSafeRetractPosition == "function") {
        moveToSafeRetractPosition();
      } else {
        writeRetract(Z);
      }
    }
    gMotionModal.reset();
    writeBlock(gMotionModal.format(0), a, b, c);
    currentMachineABC = new Vector(abc);
    setCurrentABC(abc); // required for machine simulation
  }
}
 
function setWorkPlane(abc) {
  if (!forceMultiAxisIndexing && is3D() && !machineConfiguration.isMultiAxisConfiguration()) {
    return; // ignore
  }
 
  if (!((currentWorkPlaneABC == undefined) ||
        abcFormat.areDifferent(abc.x, currentWorkPlaneABC.x) ||
        abcFormat.areDifferent(abc.y, currentWorkPlaneABC.y) ||
        abcFormat.areDifferent(abc.z, currentWorkPlaneABC.z))) {
    return; // no change
  }
 
  onCommand(COMMAND_UNLOCK_MULTI_AXIS);
  if (!retracted) {
    writeRetract(Z);
  }
 
  if (useMultiAxisFeatures) {
    if (cancelTiltFirst) {
      cancelWorkPlane();
    }
    if (machineConfiguration.isMultiAxisConfiguration() && useABCPrepositioning) {
      var angles = abc.isNonZero() ? getWorkPlaneMachineABC(currentSection.workPlane, false, false) : abc;
      positionABC(angles, true);
    }
    if (abc.isNonZero()) {
      gRotationModal.reset();
      writeBlock(gRotationModal.format(68.2), "X" + xyzFormat.format(0), "Y" + xyzFormat.format(0), "Z" + xyzFormat.format(0), "I" + abcFormat.format(abc.x), "J" + abcFormat.format(abc.y), "K" + abcFormat.format(abc.z)); // set frame
      writeBlock(gFormat.format(53.1)); // turn machine
    } else {
      if (!cancelTiltFirst) {
        cancelWorkPlane();
      }
    }
  } else {
    positionABC(abc, false);
  }
 
  onCommand(COMMAND_LOCK_MULTI_AXIS);
 
  currentWorkPlaneABC = abc;
}
 
var closestABC = false; // choose closest machine angles
var currentMachineABC;
 
function getWorkPlaneMachineABC(workPlane, _setWorkPlane, rotate) {
  var W = workPlane; // map to global frame
  if (sawIsActive) {
    setRotation(W); // TCP mode
    var translation = Vector.product(workPlane.forward, toPreciseUnit(getProperty("sawCenterDistance"), IN) + tool.getBodyLength());
    translation = Vector.sum(translation, Vector.product(new Vector(0, 0, 1), toPreciseUnit(getProperty("sawPivotDistance"), IN)));
    setTranslation(translation);
    return new Vector(0, 0, 0);
  }
 
  var abc = machineConfiguration.getABC(W);
  if (closestABC) {
    if (currentMachineABC) {
      abc = machineConfiguration.remapToABC(abc, currentMachineABC);
    } else {
      abc = machineConfiguration.getPreferredABC(abc);
    }
  } else {
    abc = machineConfiguration.getPreferredABC(abc);
  }
 
  try {
    abc = machineConfiguration.remapABC(abc);
    if (_setWorkPlane) {
      currentMachineABC = abc;
    }
  } catch (e) {
    error(
      localize("Machine angles not supported") + ":"
      + conditional(machineConfiguration.isMachineCoordinate(0), " A" + abcFormat.format(abc.x))
      + conditional(machineConfiguration.isMachineCoordinate(1), " B" + abcFormat.format(abc.y))
      + conditional(machineConfiguration.isMachineCoordinate(2), " C" + abcFormat.format(abc.z))
    );
  }
 
  var direction = machineConfiguration.getDirection(abc);
  if (!isSameDirection(direction, W.forward)) {
    error(localize("Orientation not supported."));
  }
 
  if (!machineConfiguration.isABCSupported(abc)) {
    error(
      localize("Work plane is not supported") + ":"
      + conditional(machineConfiguration.isMachineCoordinate(0), " A" + abcFormat.format(abc.x))
      + conditional(machineConfiguration.isMachineCoordinate(1), " B" + abcFormat.format(abc.y))
      + conditional(machineConfiguration.isMachineCoordinate(2), " C" + abcFormat.format(abc.z))
    );
  }
 
  if (rotate) {
    var tcp = true;
    if (tcp) {
      setRotation(W); // TCP mode
    } else {
      var O = machineConfiguration.getOrientation(abc);
      var R = machineConfiguration.getRemainingOrientation(abc, W);
      setRotation(R);
    }
  }
 
  return abc;
}
 
function isPerpto(a, b) {
  return Math.abs(Vector.dot(a, b)) < (1e-7);
}
 
function onSection() {
  var forceSectionRestart = optionalSection && !currentSection.isOptional();
  optionalSection = currentSection.isOptional();
 
  var insertToolCall = forceSectionRestart || isFirstSection() ||
    currentSection.getForceToolChange && currentSection.getForceToolChange() ||
    (tool.number != getPreviousSection().getTool().number);
 
  retracted = false;
  var newWorkOffset = isFirstSection() || forceSectionRestart ||
    (getPreviousSection().workOffset != currentSection.workOffset); // work offset changes
  var newWorkPlane = isFirstSection() || forceSectionRestart ||
    !isSameDirection(getPreviousSection().getGlobalFinalToolAxis(), currentSection.getGlobalInitialToolAxis()) ||
    (currentSection.isOptimizedForMachine() && getPreviousSection().isOptimizedForMachine() &&
      Vector.diff(getPreviousSection().getFinalToolAxisABC(), currentSection.getInitialToolAxisABC()).length > 1e-4) ||
    (!machineConfiguration.isMultiAxisConfiguration() && currentSection.isMultiAxis()) ||
    (!getPreviousSection().isMultiAxis() && currentSection.isMultiAxis() ||
      getPreviousSection().isMultiAxis() && !currentSection.isMultiAxis()); // force newWorkPlane between indexing and simultaneous operations
 
  // define smoothing mode
  initializeSmoothing();
 
  if (insertToolCall || newWorkOffset || newWorkPlane || smoothing.cancel) {
 
    // stop spindle before retract during tool change
    if (insertToolCall && !isFirstSection()) {
      onCommand(COMMAND_STOP_SPINDLE);
      setCoolant(COOLANT_OFF);
    }
 
    // retract to safe plane
    if (!isFirstSection()) {
      disableLengthCompensation();
      if (getProperty("hoodControl")) {
        writeBlock(mFormat.format(97), formatComment("DUST HOOD UP"));
      }
      writeRetract(Z); // retract
      writeBlock(gAbsIncModal.format(90));
    }
    forceXYZ();
    if (!isFirstSection()) {
      setSmoothing(false);
    }
  }
 
  writeln("");
 
  if (hasParameter("operation-comment")) {
    var comment = getParameter("operation-comment");
    if (comment) {
      writeComment(comment);
    }
  }
 
  if (getProperty("showNotes") && hasParameter("notes")) {
    var notes = getParameter("notes");
    if (notes) {
      var lines = String(notes).split("\n");
      var r1 = new RegExp("^[\\s]+", "g");
      var r2 = new RegExp("[\\s]+$", "g");
      for (line in lines) {
        var comment = lines[line].replace(r1, "").replace(r2, "");
        if (comment) {
          writeComment(comment);
        }
      }
    }
  }
 
  // check for saw blade
  var sawWasActive = sawIsActive;
  sawIsActive = tool.type == TOOL_MILLING_SLOT;
  if (sawIsActive) {
    if (!isPerpto(currentSection.workPlane.forward, new Vector(0, 0, 1)) || machineConfiguration.isMultiAxisConfiguration()) {
      sawIsActive = false;
    }
  }
 
  if (insertToolCall) {
    forceModals();
    forceWorkPlane();
 
    if (!isFirstSection() && getProperty("optionalStop")) {
      onCommand(COMMAND_OPTIONAL_STOP);
    }
 
    if (tool.number > getProperty("maxTool")) {
      warning(localize("Tool number exceeds maximum value."));
    }
 
    disableLengthCompensation();
    writeToolBlock(mFormat.format(6), "T" + toolFormat.format(tool.number));
    if (tool.comment) {
      writeComment(tool.comment);
    }
    if (getProperty("hoodControl")) {
      positionHood(0);
    }
    var showToolZMin = false;
    if (showToolZMin) {
      if (is3D()) {
        var numberOfSections = getNumberOfSections();
        var zRange = currentSection.getGlobalZRange();
        var number = tool.number;
        for (var i = currentSection.getId() + 1; i < numberOfSections; ++i) {
          var section = getSection(i);
          if (section.getTool().number != number) {
            break;
          }
          zRange.expandToRange(section.getGlobalZRange());
        }
        writeComment(localize("ZMIN") + "=" + zRange.getMinimum());
      }
    }
 
    if (getProperty("preloadTool")) {
      var nextTool = getNextTool(tool.number);
      if (nextTool) {
        writeBlock("T" + toolFormat.format(nextTool.number));
      } else {
        // preload first tool
        var section = getSection(0);
        var firstToolNumber = section.getTool().number;
        if (tool.number != firstToolNumber) {
          writeBlock("T" + toolFormat.format(firstToolNumber));
        }
      }
    }
  }
 
  var spindleChanged = tool.type != TOOL_PROBE &&
    (insertToolCall || forceSpindleSpeed || isFirstSection() ||
    (rpmFormat.areDifferent(spindleSpeed, sOutput.getCurrent())) ||
    (tool.clockwise != getPreviousSection().getTool().clockwise));
  if (spindleChanged) {
    forceSpindleSpeed = false;
 
    if (spindleSpeed < 1) {
      error(localize("Spindle speed out of range."));
      return;
    }
    if (spindleSpeed > 99999) {
      warning(localize("Spindle speed exceeds maximum value."));
    }
    var tapping = hasParameter("operation:cycleType") &&
      ((getParameter("operation:cycleType") == "tapping") ||
      (getParameter("operation:cycleType") == "right-tapping") ||
      (getParameter("operation:cycleType") == "left-tapping") ||
      (getParameter("operation:cycleType") == "tapping-with-chip-breaking"));
    if (!tapping || (tapping && !(getProperty("useRigidTapping") == "without"))) {
      writeBlock(
        mFormat.format(tool.clockwise ? 3 : 4), sOutput.format(spindleSpeed)
      );
    }
 
    onCommand(COMMAND_START_CHIP_TRANSPORT);
    if (forceMultiAxisIndexing || !is3D() || machineConfiguration.isMultiAxisConfiguration()) {
      // writeBlock(mFormat.format(xxx)); // shortest path traverse
    }
  }
 
  // Output modal commands here
  gMotionModal.reset();
  writeBlock(gPlaneModal.format(17), gAbsIncModal.format(90), gFeedModeModal.format(getProperty("useG95") ? 95 : 94));
 
  // wcs
  if (insertToolCall) { // force work offset when changing tool
    currentWorkOffset = undefined;
  }
 
  if (currentSection.workOffset != currentWorkOffset) {
    if (cancelTiltFirst) {
      cancelWorkPlane();
    }
    forceWorkPlane();
    writeBlock(currentSection.wcs);
    currentWorkOffset = currentSection.workOffset;
  }
 
  forceXYZ();
 
  if (forceMultiAxisIndexing || !is3D() || machineConfiguration.isMultiAxisConfiguration()) { // use 5-axis indexing for multi-axis mode
    // set working plane after datum shift
 
    if (currentSection.isMultiAxis()) {
      forceWorkPlane();
      cancelTransformation();
    } else {
      var abc = new Vector(0, 0, 0);
      if (useMultiAxisFeatures && !sawIsActive) {
        var euler = currentSection.workPlane.getEuler2(EULER_ZXZ_R);
        abc = new Vector(euler.x, euler.y, euler.z);
        cancelTransformation();
      } else {
        abc = getWorkPlaneMachineABC(currentSection.workPlane, true, true);
      }
      setWorkPlane(abc);
    }
  } else { // pure 3D
    var remaining = currentSection.workPlane;
    if (!isSameDirection(remaining.forward, new Vector(0, 0, 1))) {
      error(localize("Tool orientation is not supported."));
      return;
    }
    setRotation(remaining);
  }
 
  // set coolant after we have positioned at Z
  setCoolant(tool.coolant);
 
  setSmoothing(smoothing.isAllowed);
 
  forceAny();
  gMotionModal.reset();
 
  var initialPosition = getFramePosition(currentSection.getInitialPosition());
  if (!retracted && !insertToolCall) {
    if (getCurrentPosition().z < initialPosition.z) {
      writeBlock(gMotionModal.format(0), zOutput.format(initialPosition.z));
    }
  }
 
  if (insertToolCall || !lengthCompensationActive || retracted || (!isFirstSection() && getPreviousSection().isMultiAxis())) {
    var lengthOffset = tool.lengthOffset;
    if (lengthOffset > 99) {
      error(localize("Length offset out of range."));
      return;
    }
 
    if (!machineConfiguration.isHeadConfiguration()) {
      var c = "";
      if (sawIsActive) {
        previousSawPosition = new Vector(initialPosition.x, initialPosition.y, initialPosition.z);
        sawOutput.reset();
        c = sawOutput.format(getSawAngle(currentSection.workPlane.forward));
      }
      if (!insertToolCall) {
        positionHood(0);
 
      }
      writeBlock(
        gAbsIncModal.format(90),
        gMotionModal.format(0), xOutput.format(initialPosition.x), yOutput.format(initialPosition.y), c
      );
      var hoodPosition = toPreciseUnit(getProperty(sawIsActive ? "sawHoodPosition" : "hoodPosition"), IN);
      if (hoodPosition != 0) {
        positionHood(hoodPosition); // position hood
      }
      writeBlock(gMotionModal.format(0),
        gFormat.format(getProperty("has5Axis") ? 43.4 : 43),
        zOutput.format(initialPosition.z),
        hFormat.format(lengthOffset),
        conditional(getProperty("hoodControl"), mFormat.format(96)),
        conditional(getProperty("hoodControl"), formatComment("DUST HOOD DOWN"))
      );
      previousSawDirection = undefined;
      lengthCompensationActive = true;
    } else {
      writeBlock(
        gMotionModal.format(0),
        gFormat.format(getProperty("has5Axis") ? 43.4 : 43),
        hFormat.format(lengthOffset),
        conditional(getProperty("hoodControl"), mFormat.format(96)),
        conditional(getProperty("hoodControl"), formatComment("DUST HOOD DOWN"))
      );
      if (currentSection.isOptimizedForMachine() && currentSection.isMultiAxis()) {
        var initialDirection = currentSection.getInitialToolAxisABC();
        writeBlock(
          gAbsIncModal.format(90),
          gMotionModal.format(0),
          xOutput.format(initialPosition.x),
          yOutput.format(initialPosition.y),
          aOutput.format(initialDirection.x),
          bOutput.format(initialDirection.y),
          cOutput.format(initialDirection.z)
        );
        writeBlock(
          gMotionModal.format(0),
          zOutput.format(initialPosition.z)
        );
      } else {
        writeBlock(
          gAbsIncModal.format(90),
          gMotionModal.format(0),
          xOutput.format(initialPosition.x),
          yOutput.format(initialPosition.y),
          zOutput.format(initialPosition.z)
        );
      }
      lengthCompensationActive = true;
    }
    gMotionModal.reset();
  } else {
    if (sawIsActive) {
      previousSawPosition = new Vector(initalPosition.x, initialPosition.y, initialPosition.z);
    }
    writeBlock(
      gAbsIncModal.format(90),
      gMotionModal.format(0),
      xOutput.format(initialPosition.x),
      yOutput.format(initialPosition.y)
    );
    previousSawDirection = undefined;
  }
 
  validate(lengthCompensationActive, "Length compensation is not active.");
 
  if (getProperty("useParametricFeed") &&
      hasParameter("operation-strategy") &&
      (getParameter("operation-strategy") != "drill") && // legacy
      !(currentSection.hasAnyCycle && currentSection.hasAnyCycle())) {
    if (!insertToolCall &&
        activeMovements &&
        (getCurrentSectionId() > 0) &&
        ((getPreviousSection().getPatternId() == currentSection.getPatternId()) && (currentSection.getPatternId() != 0))) {
      // use the current feeds
    } else {
      initializeActiveFeeds();
    }
  } else {
    activeMovements = undefined;
  }
}
 
function onDwell(seconds) {
  if (seconds > 99999.999) {
    warning(localize("Dwelling time is out of range."));
  }
  milliseconds = clamp(1, seconds * 1000, 99999999);
  writeBlock(gFeedModeModal.format(94), gFormat.format(4), "P" + milliFormat.format(milliseconds));
  writeBlock(gFeedModeModal.format(getProperty("useG95") ? 95 : 94)); // back to G95
}
 
function onSpindleSpeed(spindleSpeed) {
  writeBlock(sOutput.format(spindleSpeed));
}
 
function onCycle() {
  if (sawIsActive) {
    error(localize("Cycles are not allowed when using a saw blade."));
    return;
  }
  writeBlock(gPlaneModal.format(17));
}
 
function getCommonCycle(x, y, z, r) {
  forceXYZ(); // force xyz on first drill hole of any cycle
  return [xOutput.format(x), yOutput.format(y),
    zOutput.format(z),
    "R" + xyzFormat.format(r)];
}
 
function onCyclePoint(x, y, z) {
  if (!isSameDirection(getRotation().forward, new Vector(0, 0, 1))) {
    expandCyclePoint(x, y, z);
    return;
  }
  if (isFirstCyclePoint()) {
    repositionToCycleClearance(cycle, x, y, z);
 
    // return to initial Z which is clearance plane and set absolute mode
 
    var F = cycle.feedrate;
    if (getProperty("useG95")) {
      F /= spindleSpeed;
    }
    var P = !cycle.dwell ? 0 : clamp(1, cycle.dwell * 1000, 99999999); // in milliseconds
 
    switch (cycleType) {
    case "drilling":
      writeBlock(
        gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(81),
        getCommonCycle(x, y, z, cycle.retract),
        feedOutput.format(F)
      );
      break;
    case "counter-boring":
      if (P > 0) {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(82),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          feedOutput.format(F)
        );
      } else {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(81),
          getCommonCycle(x, y, z, cycle.retract),
          feedOutput.format(F)
        );
      }
      break;
    case "chip-breaking":
      if ((cycle.accumulatedDepth < cycle.depth) || (P > 0)) {
        expandCyclePoint(x, y, z);
      } else {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(73),
          getCommonCycle(x, y, z, cycle.retract),
          peckOutput.format(cycle.incrementalDepth),
          feedOutput.format(F)
        );
      }
      break;
    case "deep-drilling":
      if (P > 0) {
        expandCyclePoint(x, y, z);
      } else {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(83),
          getCommonCycle(x, y, z, cycle.retract),
          peckOutput.format(cycle.incrementalDepth),
          // conditional(P > 0, "P" + milliFormat.format(P)),
          feedOutput.format(F)
        );
      }
      break;
    case "tapping":
      if (getProperty("useRigidTapping") != "no") {
        writeBlock(mFormat.format(29), sOutput.format(spindleSpeed));
      }
      if (getProperty("usePitchForTapping")) {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format((tool.type == TOOL_TAP_LEFT_HAND) ? 74 : 84),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          pitchOutput.format(tool.threadPitch)
        );
        forceFeed();
      } else {
        var tappingFPM = tool.getThreadPitch() * rpmFormat.getResultingValue(spindleSpeed);
        F = (getProperty("useG95") ? tool.getThreadPitch() : tappingFPM);
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format((tool.type == TOOL_TAP_LEFT_HAND) ? 74 : 84),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          feedOutput.format(F)
        );
      }
      break;
    case "left-tapping":
      if (getProperty("useRigidTapping") != "no") {
        writeBlock(mFormat.format(29), sOutput.format(spindleSpeed));
      }
      if (getProperty("usePitchForTapping")) {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(74),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          pitchOutput.format(tool.threadPitch)
        );
        forceFeed();
      } else {
        var tappingFPM = tool.getThreadPitch() * rpmFormat.getResultingValue(spindleSpeed);
        F = (getProperty("useG95") ? tool.getThreadPitch() : tappingFPM);
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(74),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          feedOutput.format(F)
        );
      }
      break;
    case "right-tapping":
      if (getProperty("useRigidTapping") != "no") {
        writeBlock(mFormat.format(29), sOutput.format(spindleSpeed));
      }
      if (getProperty("usePitchForTapping")) {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(84),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          pitchOutput.format(tool.threadPitch)
        );
        forceFeed();
      } else {
        var tappingFPM = tool.getThreadPitch() * rpmFormat.getResultingValue(spindleSpeed);
        F = (getProperty("useG95") ? tool.getThreadPitch() : tappingFPM);
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(84),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          feedOutput.format(F)
        );
      }
      break;
    case "tapping-with-chip-breaking":
    case "left-tapping-with-chip-breaking":
    case "right-tapping-with-chip-breaking":
      if (cycle.accumulatedDepth < cycle.depth) {
        error(localize("Accumulated pecking depth is not supported for tapping cycles with chip breaking."));
        return;
      } else {
        if (getProperty("useRigidTapping") != "no") {
          writeBlock(mFormat.format(29), sOutput.format(spindleSpeed));
        }
        if (getProperty("usePitchForTapping")) {
          writeBlock(
            gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format((tool.type == TOOL_TAP_LEFT_HAND ? 74 : 84)),
            getCommonCycle(x, y, z, cycle.retract),
            "P" + milliFormat.format(P),
            peckOutput.format(cycle.incrementalDepth),
            pitchOutput.format(tool.threadPitch)
          );
          forceFeed();
        } else {
          var tappingFPM = tool.getThreadPitch() * rpmFormat.getResultingValue(spindleSpeed);
          F = (getProperty("useG95") ? tool.getThreadPitch() : tappingFPM);
          writeBlock(
            gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format((tool.type == TOOL_TAP_LEFT_HAND ? 74 : 84)),
            getCommonCycle(x, y, z, cycle.retract),
            "P" + milliFormat.format(P),
            peckOutput.format(cycle.incrementalDepth),
            feedOutput.format(F)
          );
        }
      }
      break;
    case "fine-boring":
      writeBlock(
        gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(76),
        getCommonCycle(x, y, z, cycle.retract),
        "P" + milliFormat.format(P), // not optional
        "Q" + xyzFormat.format(cycle.shift),
        feedOutput.format(F)
      );
      break;
    case "back-boring":
      var dx = (gPlaneModal.getCurrent() == 19) ? cycle.backBoreDistance : 0;
      var dy = (gPlaneModal.getCurrent() == 18) ? cycle.backBoreDistance : 0;
      var dz = (gPlaneModal.getCurrent() == 17) ? cycle.backBoreDistance : 0;
      writeBlock(
        gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(87),
        getCommonCycle(x - dx, y - dy, z - dz, cycle.bottom),
        "Q" + xyzFormat.format(cycle.shift),
        "P" + milliFormat.format(P), // not optional
        feedOutput.format(F)
      );
      break;
    case "reaming":
      if (feedFormat.getResultingValue(cycle.feedrate) != feedFormat.getResultingValue(cycle.retractFeedrate)) {
        expandCyclePoint(x, y, z);
        break;
      }
      if (P > 0) {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(89),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P),
          feedOutput.format(F)
        );
      } else {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(85),
          getCommonCycle(x, y, z, cycle.retract),
          feedOutput.format(F)
        );
      }
      break;
    case "stop-boring":
      if (P > 0) {
        expandCyclePoint(x, y, z);
      } else {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(86),
          getCommonCycle(x, y, z, cycle.retract),
          feedOutput.format(F)
        );
      }
      break;
    case "manual-boring":
      writeBlock(
        gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(88),
        getCommonCycle(x, y, z, cycle.retract),
        "P" + milliFormat.format(P), // not optional
        feedOutput.format(F)
      );
      break;
    case "boring":
      if (feedFormat.getResultingValue(cycle.feedrate) != feedFormat.getResultingValue(cycle.retractFeedrate)) {
        expandCyclePoint(x, y, z);
        break;
      }
      if (P > 0) {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(89),
          getCommonCycle(x, y, z, cycle.retract),
          "P" + milliFormat.format(P), // not optional
          feedOutput.format(F)
        );
      } else {
        writeBlock(
          gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(85),
          getCommonCycle(x, y, z, cycle.retract),
          feedOutput.format(F)
        );
      }
      break;
    default:
      expandCyclePoint(x, y, z);
    }
  } else {
    if (cycleExpanded) {
      expandCyclePoint(x, y, z);
    } else {
      writeBlock(xOutput.format(x), yOutput.format(y));
    }
  }
}
 
function onCycleEnd() {
  if (!cycleExpanded) {
    writeBlock(gCycleModal.format(80));
    zOutput.reset();
  }
}
 
var pendingRadiusCompensation = -1;
 
function onRadiusCompensation() {
  pendingRadiusCompensation = radiusCompensation;
}
 
function onRapid(_x, _y, _z) {
  if (sawIsActive) {
    linearSawMove(_x, _y, _z, 0);
    return;
  }
  var x = xOutput.format(_x);
  var y = yOutput.format(_y);
  var z = zOutput.format(_z);
  if (x || y || z) {
    if (pendingRadiusCompensation >= 0) {
      error(localize("Radius compensation mode cannot be changed at rapid traversal."));
      return;
    }
    writeBlock(gMotionModal.format(0), x, y, z);
    forceFeed();
  }
}
 
function onLinear(_x, _y, _z, feed) {
  if (sawIsActive) {
    linearSawMove(_x, _y, _z, feed);
    return;
  }
 
  var x = xOutput.format(_x);
  var y = yOutput.format(_y);
  var z = zOutput.format(_z);
  var f = getFeed(feed);
  if (x || y || z) {
    if (pendingRadiusCompensation >= 0) {
      pendingRadiusCompensation = -1;
      var d = tool.diameterOffset;
      if (d > 99) {
        warning(localize("The diameter offset exceeds the maximum value."));
      }
      writeBlock(gPlaneModal.format(17));
      switch (radiusCompensation) {
      case RADIUS_COMPENSATION_LEFT:
        dOutput.reset();
        writeBlock(gMotionModal.format(1), gFormat.format(41), x, y, z, dOutput.format(d), f);
        break;
      case RADIUS_COMPENSATION_RIGHT:
        dOutput.reset();
        writeBlock(gMotionModal.format(1), gFormat.format(42), x, y, z, dOutput.format(d), f);
        break;
      default:
        writeBlock(gMotionModal.format(1), gFormat.format(40), x, y, z, f);
      }
    } else {
      writeBlock(gMotionModal.format(1), x, y, z, f);
    }
  } else if (f) {
    if (getNextRecord().isMotion()) { // try not to output feed without motion
      forceFeed(); // force feed on next line
    } else {
      writeBlock(gMotionModal.format(1), f);
    }
  }
}
 
var previousSawDirection = undefined;
var currentSawPosition = undefined; // TAG: getCurrentPostion returns wrong value when switching workPlanes
function linearSawMove(_x, _y, _z, feed) {
  // write out saw move
  var x = xOutput.format(_x);
  var y = yOutput.format(_y);
  var z = zOutput.format(_z);
  if (x || y || z) {
    if (!checkSawDirection(new Vector(_x, _y, _z), feed)) {
      error(localize("Saw changes direction during cut"));
      return;
    }
    var c = getSawAngle(currentSection.workPlane.forward); // calculate saw blade angle
    writeBlock(gMotionModal.format(feed == 0 ? 0 : 1), x, y, z, sawOutput.format(c), (feed == 0 ? "" : feedOutput.format(feed)));
    previousSawPosition = new Vector(_x, _y, _z);
  }
}
 
function getSawAngle(direction) {
  var angle = toRad(getProperty("sawBaseAngle")) + direction.getXYAngle();
  angle = angle < 0 ? angle + (Math.PI * 2) : angle;
  return angle;
}
 
function checkSawDirection(xyz, feed) {
  if (feed == 0) {
    previousSawDirection = undefined;
    return true;
  }
 
  var current = new Vector(xyz.x, xyz.y, 0);
  var previous = new Vector(previousSawPosition.x, previousSawPosition.y, 0);
  var direction = Vector.diff(current, previous).normalized;
  if (direction.isZero()) { // move in Z only
    previousSawDirection = undefined;
    return true;
  } else if (previousSawDirection == undefined) { // first cutting move
    previousSawDirection = new Vector(direction.x, direction.y, direction.z);
    return true;
  } else if (isSameDirection(direction, previousSawDirection)) { // saw moves in same direction
    return true;
  } else { // saw changes direction during cut
    previousSawDirection = new Vector(direction.x, direction.y, direction.z);
    return false;
  }
}
 
function positionHood(position) {
  if (getProperty("hoodControl")) {
    writeBlock("#990=" + hoodPositionFormat.format(position), formatComment("DUST HOOD LENGTH"));
  }
}
 
function onRapid5D(_x, _y, _z, _a, _b, _c) {
  if (pendingRadiusCompensation >= 0) {
    error(localize("Radius compensation mode cannot be changed at rapid traversal."));
    return;
  }
  if (currentSection.isOptimizedForMachine()) {
    var x = xOutput.format(_x);
    var y = yOutput.format(_y);
    var z = zOutput.format(_z);
    var a = aOutput.format(_a);
    var b = bOutput.format(_b);
    var c = cOutput.format(_c);
    writeBlock(gMotionModal.format(0), x, y, z, a, b, c);
  } else {
    forceXYZ();
    var x = xOutput.format(_x);
    var y = yOutput.format(_y);
    var z = zOutput.format(_z);
    var i = ijkFormat.format(_a);
    var j = ijkFormat.format(_b);
    var k = ijkFormat.format(_c);
    writeBlock(gMotionModal.format(0), x, y, z, "I" + i, "J" + j, "K" + k);
  }
  forceFeed();
}
 
function onLinear5D(_x, _y, _z, _a, _b, _c, feed) {
  if (pendingRadiusCompensation >= 0) {
    error(localize("Radius compensation cannot be activated/deactivated for 5-axis move."));
    return;
  }
 
  if (currentSection.isOptimizedForMachine()) {
    var x = xOutput.format(_x);
    var y = yOutput.format(_y);
    var z = zOutput.format(_z);
    var a = aOutput.format(_a);
    var b = bOutput.format(_b);
    var c = cOutput.format(_c);
    var f = getFeed(feed);
    if (x || y || z || a || b || c) {
      writeBlock(gMotionModal.format(1), x, y, z, a, b, c, f);
    } else if (f) {
      if (getNextRecord().isMotion()) { // try not to output feed without motion
        forceFeed(); // force feed on next line
      } else {
        writeBlock(gMotionModal.format(1), f);
      }
    }
  } else {
    forceXYZ();
    var x = xOutput.format(_x);
    var y = yOutput.format(_y);
    var z = zOutput.format(_z);
    var i = ijkFormat.format(_a);
    var j = ijkFormat.format(_b);
    var k = ijkFormat.format(_c);
    var f = getFeed(feed);
    if (x || y || z || i || j || k) {
      writeBlock(gMotionModal.format(1), x, y, z, "I" + i, "J" + j, "K" + k, f);
    } else if (f) {
      if (getNextRecord().isMotion()) { // try not to output feed without motion
        forceFeed(); // force feed on next line
      } else {
        writeBlock(gMotionModal.format(1), f);
      }
    }
  }
}
 
// Start of onRewindMachine logic
/***** Be sure to add 'safeRetractDistance' to post getProperty(" ")*****/
var performRewinds = true; // enables the onRewindMachine logic
var safeRetractFeed = (unit == IN) ? 20 : 500;
var safePlungeFeed = (unit == IN) ? 10 : 250;
var stockAllowance = new Vector(toPreciseUnit(0.1, IN), toPreciseUnit(0.1, IN), toPreciseUnit(0.1, IN));
 
/** Allow user to override the onRewind logic */
function onRewindMachineEntry(_a, _b, _c) {
  return false;
}
 
/** Retract to safe position before indexing rotaries. */
function moveToSafeRetractPosition(isRetracted) {
  if (!isRetracted) {
    writeRetract(Z);
  }
}
 
/** Return from safe position after indexing rotaries. */
function returnFromSafeRetractPosition(position) {
  forceXYZ();
  xOutput.reset();
  yOutput.reset();
  zOutput.disable();
  onExpandedRapid(position.x, position.y, position.z);
  zOutput.enable();
  onExpandedRapid(position.x, position.y, position.z);
}
 
/** Intersect the point-vector with the stock box. */
function intersectStock(point, direction) {
  var intersection = getWorkpiece().getRayIntersection(point, direction, stockAllowance);
  return intersection === null ? undefined : intersection.second;
}
 
/** Calculates the retract point using the stock box and safe retract distance. */
function getRetractPosition(currentPosition, currentDirection) {
  var retractPos = intersectStock(currentPosition, currentDirection);
  if (retractPos == undefined) {
    if (tool.getFluteLength() != 0) {
      retractPos = Vector.sum(currentPosition, Vector.product(currentDirection, tool.getFluteLength()));
    }
  }
  if ((retractPos != undefined) && getProperty("safeRetractDistance")) {
    retractPos = Vector.sum(retractPos, Vector.product(currentDirection, getProperty("safeRetractDistance")));
  }
  return retractPos;
}
 
/** Determines if the angle passed to onRewindMachine is a valid starting position */
function isRewindAngleValid(_a, _b, _c) {
  // make sure the angles are different from the last output angles
  if (!abcFormat.areDifferent(getCurrentDirection().x, _a) &&
      !abcFormat.areDifferent(getCurrentDirection().y, _b) &&
      !abcFormat.areDifferent(getCurrentDirection().z, _c)) {
    error(
      localize("REWIND: Rewind angles are the same as the previous angles: ") +
      abcFormat.format(_a) + ", " + abcFormat.format(_b) + ", " + abcFormat.format(_c)
    );
    return false;
  }
 
  // make sure angles are within the limits of the machine
  var abc = new Array(_a, _b, _c);
  var ix = machineConfiguration.getAxisU().getCoordinate();
  var failed = false;
  if ((ix != -1) && !machineConfiguration.getAxisU().isSupported(abc[ix])) {
    failed = true;
  }
  ix = machineConfiguration.getAxisV().getCoordinate();
  if ((ix != -1) && !machineConfiguration.getAxisV().isSupported(abc[ix])) {
    failed = true;
  }
  ix = machineConfiguration.getAxisW().getCoordinate();
  if ((ix != -1) && !machineConfiguration.getAxisW().isSupported(abc[ix])) {
    failed = true;
  }
  if (failed) {
    error(
      localize("REWIND: Rewind angles are outside the limits of the machine: ") +
      abcFormat.format(_a) + ", " + abcFormat.format(_b) + ", " + abcFormat.format(_c)
    );
    return false;
  }
 
  return true;
}
 
function onRewindMachine(_a, _b, _c) {
 
  if (!performRewinds) {
    error(localize("REWIND: Rewind of machine is required for simultaneous multi-axis toolpath and has been disabled."));
    return;
  }
 
  // Allow user to override rewind logic
  if (onRewindMachineEntry(_a, _b, _c)) {
    return;
  }
 
  // Determine if input angles are valid or will cause a crash
  if (!isRewindAngleValid(_a, _b, _c)) {
    error(
      localize("REWIND: Rewind angles are invalid:") +
      abcFormat.format(_a) + ", " + abcFormat.format(_b) + ", " + abcFormat.format(_c)
    );
    return;
  }
 
  // Work with the tool end point
  if (currentSection.getOptimizedTCPMode() == 0) {
    currentTool = getCurrentPosition();
  } else {
    currentTool = machineConfiguration.getOrientation(getCurrentDirection()).multiply(getCurrentPosition());
  }
  var currentABC = getCurrentDirection();
  var currentDirection = machineConfiguration.getDirection(currentABC);
 
  // Calculate the retract position
  var retractPosition = getRetractPosition(currentTool, currentDirection);
 
  // Output warning that axes take longest route
  if (retractPosition == undefined) {
    error(localize("REWIND: Cannot calculate retract position."));
    return;
  } else {
    var text = localize("REWIND: Tool is retracting due to rotary axes limits.");
    warning(text);
    writeComment(text);
  }
 
  // Move to retract position
  var position;
  if (currentSection.getOptimizedTCPMode() == 0) {
    position = retractPosition;
  } else {
    position = machineConfiguration.getOrientation(getCurrentDirection()).getTransposed().multiply(retractPosition);
  }
  onExpandedLinear(position.x, position.y, position.z, safeRetractFeed);
 
  //Position to safe machine position for rewinding axes
  moveToSafeRetractPosition(false);
 
  // Rotate axes to new position above reentry position
  xOutput.disable();
  yOutput.disable();
  zOutput.disable();
  onRapid5D(position.x, position.y, position.z, _a, _b, _c);
  xOutput.enable();
  yOutput.enable();
  zOutput.enable();
 
  // Move back to position above part
  if (currentSection.getOptimizedTCPMode() != 0) {
    position = machineConfiguration.getOrientation(new Vector(_a, _b, _c)).getTransposed().multiply(retractPosition);
  }
  returnFromSafeRetractPosition(position);
 
  // Plunge tool back to original position
  if (currentSection.getOptimizedTCPMode() != 0) {
    currentTool = machineConfiguration.getOrientation(new Vector(_a, _b, _c)).getTransposed().multiply(currentTool);
  }
  onExpandedLinear(currentTool.x, currentTool.y, currentTool.z, safePlungeFeed);
}
// End of onRewindMachine logic
 
function onCircular(clockwise, cx, cy, cz, x, y, z, feed) {
  if (pendingRadiusCompensation >= 0) {
    error(localize("Radius compensation cannot be activated/deactivated for a circular move."));
    return;
  }
 
  var start = getCurrentPosition();
 
  if (isFullCircle()) {
    if (getProperty("useRadius") || isHelical()) { // radius mode does not support full arcs
      linearize(tolerance);
      return;
    }
    switch (getCircularPlane()) {
    case PLANE_XY:
      writeBlock(gAbsIncModal.format(90), gPlaneModal.format(17), gMotionModal.format(clockwise ? 2 : 3), iOutput.format(cx - start.x, 0), jOutput.format(cy - start.y, 0), getFeed(feed));
      break;
    case PLANE_ZX:
      writeBlock(gAbsIncModal.format(90), gPlaneModal.format(18), gMotionModal.format(clockwise ? 2 : 3), iOutput.format(cx - start.x, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
      break;
    case PLANE_YZ:
      writeBlock(gAbsIncModal.format(90), gPlaneModal.format(19), gMotionModal.format(clockwise ? 2 : 3), jOutput.format(cy - start.y, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
      break;
    default:
      linearize(tolerance);
    }
  } else if (!getProperty("useRadius")) {
    switch (getCircularPlane()) {
    case PLANE_XY:
      writeBlock(gAbsIncModal.format(90), gPlaneModal.format(17), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), iOutput.format(cx - start.x, 0), jOutput.format(cy - start.y, 0), getFeed(feed));
      break;
    case PLANE_ZX:
      writeBlock(gAbsIncModal.format(90), gPlaneModal.format(18), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), iOutput.format(cx - start.x, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
      break;
    case PLANE_YZ:
      writeBlock(gAbsIncModal.format(90), gPlaneModal.format(19), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), jOutput.format(cy - start.y, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
      break;
    default:
      if (getProperty("allow3DArcs")) {
        // make sure maximumCircularSweep is well below 360deg
        // we could use G02.4 or G03.4 - direction is calculated
        var ip = getPositionU(0.5);
        writeBlock(gAbsIncModal.format(90), gMotionModal.format(clockwise ? 2.4 : 3.4), xOutput.format(ip.x), yOutput.format(ip.y), zOutput.format(ip.z), getFeed(feed));
        writeBlock(xOutput.format(x), yOutput.format(y), zOutput.format(z));
      } else {
        linearize(tolerance);
      }
    }
  } else { // use radius mode
    var r = getCircularRadius();
    if (toDeg(getCircularSweep()) > (180 + 1e-9)) {
      r = -r; // allow up to <360 deg arcs
    }
    switch (getCircularPlane()) {
    case PLANE_XY:
      writeBlock(gPlaneModal.format(17), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
      break;
    case PLANE_ZX:
      writeBlock(gPlaneModal.format(18), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
      break;
    case PLANE_YZ:
      writeBlock(gPlaneModal.format(19), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
      break;
    default:
      if (getProperty("allow3DArcs")) {
        // make sure maximumCircularSweep is well below 360deg
        // we could use G02.4 or G03.4 - direction is calculated
        var ip = getPositionU(0.5);
        writeBlock(gAbsIncModal.format(90), gMotionModal.format(clockwise ? 2.4 : 3.4), xOutput.format(ip.x), yOutput.format(ip.y), zOutput.format(ip.z), getFeed(feed));
        writeBlock(xOutput.format(x), yOutput.format(y), zOutput.format(z));
      } else {
        linearize(tolerance);
      }
    }
  }
}
 
var currentCoolantMode = COOLANT_OFF;
var coolantOff = undefined;
var forceCoolant = false;
 
function setCoolant(coolant) {
  var coolantCodes = getCoolantCodes(coolant);
  if (Array.isArray(coolantCodes)) {
    if (singleLineCoolant) {
      writeBlock(coolantCodes.join(getWordSeparator()));
    } else {
      for (var c in coolantCodes) {
        writeBlock(coolantCodes[c]);
      }
    }
    return undefined;
  }
  return coolantCodes;
}
 
function getCoolantCodes(coolant) {
  var multipleCoolantBlocks = new Array(); // create a formatted array to be passed into the outputted line
  if (!coolants) {
    error(localize("Coolants have not been defined."));
  }
  if (tool.type == TOOL_PROBE) { // avoid coolant output for probing
    coolant = COOLANT_OFF;
  }
  if (coolant == currentCoolantMode && (!forceCoolant || coolant == COOLANT_OFF)) {
    return undefined; // coolant is already active
  }
  if ((coolant != COOLANT_OFF) && (currentCoolantMode != COOLANT_OFF) && (coolantOff != undefined) && !forceCoolant) {
    if (Array.isArray(coolantOff)) {
      for (var i in coolantOff) {
        multipleCoolantBlocks.push(coolantOff[i]);
      }
    } else {
      multipleCoolantBlocks.push(coolantOff);
    }
  }
  forceCoolant = false;
 
  var m;
  var coolantCodes = {};
  for (var c in coolants) { // find required coolant codes into the coolants array
    if (coolants[c].id == coolant) {
      coolantCodes.on = coolants[c].on;
      if (coolants[c].off != undefined) {
        coolantCodes.off = coolants[c].off;
        break;
      } else {
        for (var i in coolants) {
          if (coolants[i].id == COOLANT_OFF) {
            coolantCodes.off = coolants[i].off;
            break;
          }
        }
      }
    }
  }
  if (coolant == COOLANT_OFF) {
    m = !coolantOff ? coolantCodes.off : coolantOff; // use the default coolant off command when an 'off' value is not specified
  } else {
    coolantOff = coolantCodes.off;
    m = coolantCodes.on;
  }
 
  if (!m) {
    onUnsupportedCoolant(coolant);
    m = 9;
  } else {
    if (Array.isArray(m)) {
      for (var i in m) {
        multipleCoolantBlocks.push(m[i]);
      }
    } else {
      multipleCoolantBlocks.push(m);
    }
    currentCoolantMode = coolant;
    for (var i in multipleCoolantBlocks) {
      if (typeof multipleCoolantBlocks[i] == "number") {
        multipleCoolantBlocks[i] = mFormat.format(multipleCoolantBlocks[i]);
      }
    }
    return multipleCoolantBlocks; // return the single formatted coolant value
  }
  return undefined;
}
 
var mapCommand = {
  COMMAND_STOP                    : 0,
  COMMAND_OPTIONAL_STOP           : 1,
  COMMAND_END                     : 2,
  COMMAND_SPINDLE_CLOCKWISE       : 3,
  COMMAND_SPINDLE_COUNTERCLOCKWISE: 4,
  COMMAND_STOP_SPINDLE            : 5,
  COMMAND_ORIENTATE_SPINDLE       : 19
};
 
function onCommand(command) {
  switch (command) {
  case COMMAND_STOP:
    writeBlock(mFormat.format(0));
    forceSpindleSpeed = true;
    forceCoolant = true;
    return;
  case COMMAND_OPTIONAL_STOP:
    writeBlock(mFormat.format(1));
    forceSpindleSpeed = true;
    forceCoolant = true;
    return;
  case COMMAND_START_SPINDLE:
    onCommand(tool.clockwise ? COMMAND_SPINDLE_CLOCKWISE : COMMAND_SPINDLE_COUNTERCLOCKWISE);
    return;
  case COMMAND_LOCK_MULTI_AXIS:
    return;
  case COMMAND_UNLOCK_MULTI_AXIS:
    return;
  case COMMAND_START_CHIP_TRANSPORT:
    return;
  case COMMAND_STOP_CHIP_TRANSPORT:
    return;
  case COMMAND_BREAK_CONTROL:
    return;
  case COMMAND_TOOL_MEASURE:
    return;
  }
 
  var stringId = getCommandStringId(command);
  var mcode = mapCommand[stringId];
  if (mcode != undefined) {
    writeBlock(mFormat.format(mcode));
  } else {
    onUnsupportedCommand(command);
  }
}
 
function onSectionEnd() {
  if (currentSection.isMultiAxis() && !currentSection.isOptimizedForMachine()) {
    disableLengthCompensation();
  }
  writeBlock(gPlaneModal.format(17));
  // the code below gets the machine angles from previous operation.  closestABC must also be set to true
  if (currentSection.isMultiAxis() && currentSection.isOptimizedForMachine()) {
    currentMachineABC = currentSection.getFinalToolAxisABC();
  }
  if (((getCurrentSectionId() + 1) >= getNumberOfSections()) ||
      (tool.number != getNextSection().getTool().number)) {
    onCommand(COMMAND_BREAK_CONTROL);
  }
  if (!isLastSection() && (getNextSection().getTool().coolant != tool.coolant)) {
    setCoolant(COOLANT_OFF);
  }
  forceAny();
}
 
/** Output block to do safe retract and/or move to home position. */
function writeRetract() {
  if (arguments.length == 0) {
    error(localize("No axis specified for writeRetract()."));
    return;
  }
  var words = []; // store all retracted axes in an array
  for (var i = 0; i < arguments.length; ++i) {
    let instances = 0; // checks for duplicate retract calls
    for (var j = 0; j < arguments.length; ++j) {
      if (arguments[i] == arguments[j]) {
        ++instances;
      }
    }
    if (instances > 1) { // error if there are multiple retract calls for the same axis
      error(localize("Cannot retract the same axis twice in one line"));
      return;
    }
    switch (arguments[i]) {
    case X:
      words.push("X" + xyzFormat.format(machineConfiguration.hasHomePositionX() ? machineConfiguration.getHomePositionX() : 0));
      break;
    case Y:
      words.push("Y" + xyzFormat.format(machineConfiguration.hasHomePositionY() ? machineConfiguration.getHomePositionY() : 0));
      break;
    case Z:
      words.push("Z" + xyzFormat.format(machineConfiguration.getRetractPlane()));
      retracted = true; // specifies that the tool has been retracted to the safe plane
      zOutput.reset();
      break;
    default:
      error(localize("Bad axis specified for writeRetract()."));
      return;
    }
  }
  if (words.length > 0) {
    gMotionModal.reset();
    gAbsIncModal.reset();
    writeBlock(gMotionModal.format(0), gAbsIncModal.format(91), gFormat.format(28), words); // retract
    writeBlock(gAbsIncModal.format(90));
  }
}
 
function onClose() {
  writeln("");
  optionalSection = false;
 
  setCoolant(COOLANT_OFF);
  onCommand(COMMAND_STOP_SPINDLE);
  if (getProperty("hoodControl")) {
    writeBlock(mFormat.format(97), formatComment("DUST HOOD UP"));
  }
 
  gMotionModal.reset();
  writeRetract(Z);
  writeBlock(gAbsIncModal.format(90));
  disableLengthCompensation(true);
  zOutput.reset();
 
  setWorkPlane(new Vector(0, 0, 0)); // reset working plane
 
  /*
  writeRetract(Z);
*/
 
  setSmoothing(false);
 
  if (getProperty("vacuumTable") > 0) {
    var vacuumCodes = [141, 142, 140];
    writeBlock(mFormat.format(vacuumCodes[getProperty("vacuumTable") - 1]));
  }
 
  onImpliedCommand(COMMAND_END);
  onImpliedCommand(COMMAND_STOP_SPINDLE);
  // writeBlock(gFormat.format(399)); // required for some machines
  writeBlock(mFormat.format(30)); // stop program, spindle stop, coolant off
  writeln("%");
}
 
function setProperty(property, value) {
  properties[property].current = value;
}