/**
  Copyright (C) 2012-2025 by Autodesk, Inc.
  All rights reserved.

  ProtoTRAK Lathe post processor configuration.

  $Revision: 44164 2399bc62759fa802328708c32fe22eea9cb8a275 $
  $Date: 2025-02-10 14:52:26 $

  FORKID {77299B79-7AA7-4B21-83A6-D6CD59182D2F}
*/

description = "ProtoTRAK Turning";
vendor = "Southwestern Industries";
vendorUrl = "http://www.southwesternindustries.com";
legal = "Copyright (C) 2012-2025 by Autodesk, Inc.";
certificationLevel = 2;
minimumRevision = 45702;

longDescription = "Generic turning post for ProtoTRAK. Use Turret 0 for Positional Turret, Turret 101 for QCTP on X- Post, Turret 102 for QCTP on X+ Post, Turret 103 for Gang Tooling on X- Post, Turret 104 for Gang Tooling on X+ Tool Post.";

extension = "cam";
programNameIsInteger = true;
setCodePage("ascii");

capabilities = CAPABILITY_TURNING;
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 = false;
allowedCircularPlanes = 1 << PLANE_ZX;

// user-defined properties
properties = {
  writeMachine: {
    title      : "Write machine",
    description: "Output the machine settings in the header of the code.",
    group      : "formats",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  writeTools: {
    title      : "Write tool list",
    description: "Output a tool list in the header of the code.",
    group      : "formats",
    type       : "boolean",
    value      : false,
    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      : 1,
    scope      : "post"
  },
  optionalStop: {
    title      : "Optional stop",
    description: "Outputs optional stop code during when necessary in the code.",
    group      : "preferences",
    type       : "boolean",
    value      : true,
    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"
  },
  separateOperationsWithBlankLines: {
    title      : "Separate operations with blank lines",
    description: "Allow blank lines to appear between operations.",
    group      : "formats",
    type       : "boolean",
    value      : true,
    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"
  },
  reverseArcDirection: {
    title      : "Reverse G02/G03",
    description: "If yes is selected, reverses the directional codes of Arcs (G02 = CCW, G03 = CW).",
    group      : "preferences",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  maximumSpindleSpeed: {
    title      : "Max spindle speed",
    description: "Defines the maximum spindle speed allowed by your machines.",
    group      : "configuration",
    type       : "integer",
    range      : [0, 999999999],
    value      : 6000,
    scope      : "post"
  },
  showNotes: {
    title      : "Show notes",
    description: "Writes operation notes as comments in the outputted code.",
    group      : "formats",
    type       : "boolean",
    value      : false,
    scope      : "post"
  },
  useSimpleThread: {
    title      : "Use simple threading cycle",
    description: "Enable to output G92 simple threading cycle, disable to output G130 standard threading cycle.",
    group      : "preferences",
    type       : "boolean",
    value      : true,
    scope      : "post"
  },
  approachStyle: {
    title      : "Approach style",
    description: "Select your desired order for the axes to approach.",
    type       : "enum",
    group      : "preferences",
    values     : [
      {title:"First Z then X", id:"ZX"},
      {title:"Both XZ in same line", id:"singleLineXZ"}
    ],
    value: "singleLineXZ",
    scope: "post"
  }
};

// wcs definiton
wcsDefinitions = {
  useZeroOffset: false,
  wcs          : [
    {name:"Standard", format:"#", range:[1, 1]}
  ]
};

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, on:7},
  {id:COOLANT_THROUGH_TOOL},
  {id:COOLANT_AIR},
  {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 spatialFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var xFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true, scale:2}); // diameter mode
var yFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var zFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var rFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true}); // radius
var feedFormat = createFormat({decimals:(unit == MM ? 4 : 5), forceDecimal:true});
var iFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true, scale:1});
var pitchFormat = createFormat({decimals:6, forceDecimal:true});
var toolFormat = createFormat({decimals:0, width:2, zeropad:true});
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 threadRadFormat = createFormat({decimals:(unit == MM ? 3 : 4), suffix:"A", forceDecimal:true});
var threadDiaFormat = createFormat({decimals:(unit == MM ? 3 : 4), suffix:"A", forceDecimal:true, scale:2});
var threadPFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var threadNPFormat = createFormat({decimals:0, width:2, zeropad:true});
var threadSIFormat = createFormat({decimals:0});
var threadAFormat = createFormat({decimals:3, forceDecimal:true});

var xOutput; // xOutput is defined in setDirectionX()
var yOutput = createVariable({prefix:"Y"}, yFormat);
var zOutput = createVariable({prefix:"Z"}, zFormat);
var feedOutput = createVariable({prefix:"F"}, feedFormat);
var pitchOutput = createVariable({prefix:"F", force:true}, pitchFormat);
var sOutput = createVariable({prefix:"S", force:true}, rpmFormat);
var threadXBOutput = createVariable({prefix:"XB", force:true}, threadDiaFormat);
var threadXEOutput = createVariable({prefix:"XE", force:true}, threadDiaFormat);
var threadXMOutput = createVariable({prefix:"XM", force:true}, threadDiaFormat);
var threadZBOutput = createVariable({prefix:"ZB", force:true}, threadRadFormat);
var threadZEOutput = createVariable({prefix:"ZE", force:true}, threadRadFormat);
var threadPOutput = createVariable({prefix:"PI", force:true}, threadPFormat);
var threadNPOutput = createVariable({prefix:"NP", force:true}, threadNPFormat);
var threadSPOutput = createVariable({prefix:"SP", force:true}, threadNPFormat);
var threadSIOutput = createVariable({prefix:"SI", force:true}, threadSIFormat);
var threadAOutput = createVariable({prefix:"A", force:true}, threadAFormat);
var threadSTOutput = createVariable({prefix:"ST", force:true}, threadNPFormat);

// circular output
var kOutput = createReferenceVariable({prefix:"K"}, spatialFormat);
var iOutput; // iOutput is defined in setDirectionX()

var g92ROutput = createVariable({prefix:"R"}, zFormat); // no scaling

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 // only for B and C mode
var gFeedModeModal = createModal({}, gFormat); // modal group 5 // G98-99 / G94-95
var gSpindleModeModal = createModal({}, gFormat); // modal group 5 // G96-97
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

// fixed settings
var firstFeedParameter = 500;
var gotSecondarySpindle = true;
var gotTailStock = false;

var QCTP = 0;
var TURRET = 1;
var GANG = 2;

var FRONT = -1;
var REAR = 1;

// collected state
var sequenceNumber;
var currentWorkOffset;
var optionalSection = false;
var forceSpindleSpeed = false;
var activeMovements; // do not use by default
var currentFeedId;
var toolingData;
var previousToolingData;
var fpmCode = 98;
var fprCode = 99;

function getCode(code) {
  switch (code) {
  // case "PART_CATCHER_ON":
  // return mFormat.format(SPECIFY YOUR CODE HERE);
  // case "PART_CATCHER_OFF":
  // return mFormat.format(SPECIFY YOUR CODE HERE);
  // case "TAILSTOCK_ON":
  // return mFormat.format(SPECIFY YOUR CODE HERE);
  // case "TAILSTOCK_OFF":
  // return mFormat.format(SPECIFY YOUR CODE HERE);
  // case "ENGAGE_C_AXIS":
  // machineState.cAxisIsEngaged = true;
  // return cAxisEngageModal.format(UNSUPPORTED);
  // case "DISENGAGE_C_AXIS":
  // machineState.cAxisIsEngaged = false;
  // return cAxisEngageModal.format(UNSUPPORTED);
  // case "POLAR_INTERPOLATION_ON":
  // return gPolarModal.format(UNSUPPORTED);
  // case "POLAR_INTERPOLATION_OFF":
  // return gPolarModal.format(UNSUPPORTED);
  // case "STOP_LIVE_TOOL":
  // machineState.liveToolIsActive = false;
  // return mFormat.format(UNSUPPORTED);
  // case "STOP_MAIN_SPINDLE":
  // machineState.mainSpindleIsActive = false;
  // return mFormat.format(UNSUPPORTED);
  // case "STOP_SUB_SPINDLE":
  // machineState.subSpindleIsActive = false;
  // return mFormat.format(UNSUPPORTED);
  // case "START_LIVE_TOOL_CW":
  // machineState.liveToolIsActive = true;
  // return mFormat.format(UNSUPPORTED);
  // case "START_LIVE_TOOL_CCW":
  // machineState.liveToolIsActive = true;
  // return mFormat.format(UNSUPPORTED);
  case "START_MAIN_SPINDLE_CW":
    // machineState.mainSpindleIsActive = true;
    return mFormat.format(3);
  case "START_MAIN_SPINDLE_CCW":
    // machineState.mainSpindleIsActive = true;
    return mFormat.format(4);
  // case "START_SUB_SPINDLE_CW":
    // machineState.subSpindleIsActive = true;
    // return mFormat.format(UNSUPPORTED);
  // case "START_SUB_SPINDLE_CCW":
    // machineState.subSpindleIsActive = true;
    // return mFormat.format(UNSUPPORTED);
  // case "MAIN_SPINDLE_BRAKE_ON":
    // machineState.mainSpindleBrakeIsActive = true;
    // return cAxisBrakeModal.format(UNSUPPORTED);
  // case "MAIN_SPINDLE_BRAKE_OFF":
    // machineState.mainSpindleBrakeIsActive = false;
    // return cAxisBrakeModal.format(UNSUPPORTED);
  // case "SUB_SPINDLE_BRAKE_ON":
    // machineState.subSpindleBrakeIsActive = true;
    // return cAxisBrakeModal.format(UNSUPPORTED);
  // case "SUB_SPINDLE_BRAKE_OFF":
    // machineState.subSpindleBrakeIsActive = false;
    // return cAxisBrakeModal.format(UNSUPPORTED);
  case "FEED_MODE_UNIT_REV":
    return gFeedModeModal.format(fprCode);
  case "FEED_MODE_UNIT_MIN":
    return gFeedModeModal.format(fpmCode);
  case "CONSTANT_SURFACE_SPEED_ON":
    return gSpindleModeModal.format(96);
  case "CONSTANT_SURFACE_SPEED_OFF":
    return gSpindleModeModal.format(97);
  // case "MAINSPINDLE_AIR_BLAST_ON":
    // return mFormat.format(UNSUPPORTED);
  // case "MAINSPINDLE_AIR_BLAST_OFF":
    // return mFormat.format(UNSUPPORTED);
  // case "SUBSPINDLE_AIR_BLAST_ON":
    // return mFormat.format(UNSUPPORTED);
  // case "SUBSPINDLE_AIR_BLAST_OFF":
    // return mFormat.format(UNSUPPORTED);
  // case "CLAMP_PRIMARY_CHUCK":
    // return mFormat.format(UNSUPPORTED);
  // case "UNCLAMP_PRIMARY_CHUCK":
    // return mFormat.format(UNSUPPORTED);
  // case "CLAMP_SECONDARY_CHUCK":
    // return mFormat.format(UNSUPPORTED);
  // case "UNCLAMP_SECONDARY_CHUCK":
    // return mFormat.format(UNSUPPORTED);
  // case "SPINDLE_SYNCHRONIZATION_ON":
    // machineState.spindleSynchronizationIsActive = true;
    // return gSynchronizedSpindleModal.format(UNSUPPORTED);
  // case "SPINDLE_SYNCHRONIZATION_OFF":
    // machineState.spindleSynchronizationIsActive = false;
    // return gSynchronizedSpindleModal.format(UNSUPPORTED);
  // case "START_CHIP_TRANSPORT":
    // return mFormat.format(UNSUPPORTED);
  // case "STOP_CHIP_TRANSPORT":
    // return mFormat.format(UNSUPPORTED);
  // case "OPEN_DOOR":
    // return mFormat.format(UNSUPPORTED);
  // case "CLOSE_DOOR":
    // return mFormat.format(UNSUPPORTED);
  default:
    error(localize("Command " + code + " is not defined."));
    return 0;
  }
}

function isSpindleSpeedDifferent() {
  if (isFirstSection()) {
    return true;
  }
  if (getPreviousSection().getTool().clockwise != tool.clockwise) {
    return true;
  }
  if (tool.getSpindleMode() == SPINDLE_CONSTANT_SURFACE_SPEED) {
    if ((getPreviousSection().getTool().getSpindleMode() != SPINDLE_CONSTANT_SURFACE_SPEED) ||
        rpmFormat.areDifferent(getPreviousSection().getTool().surfaceSpeed, tool.surfaceSpeed)) {
      return true;
    }
  } else {
    if ((getPreviousSection().getTool().getSpindleMode() != SPINDLE_CONSTANT_SPINDLE_SPEED) ||
        rpmFormat.areDifferent(getPreviousSection().getTool().spindleRPM, spindleSpeed)) {
      return true;
    }
  }
  return false;
}

/**
  Writes the specified block.
*/
function writeBlock() {
  if (getProperty("showSequenceNumbers") == "true") {
    if (optionalSection) {
      var text = formatWords(arguments);
      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
  }

  yOutput.disable();

  if (!getProperty("separateWordsWithSpace")) {
    setWordSeparator("");
  }

  sequenceNumber = getProperty("sequenceNumberStart");

  if (programName) {
    var programId;
    try {
      programId = getAsInt(programName);
    } catch (e) {
      error(localize("Program name must be a number."));
      return;
    }
    if (!((programId >= 1) && (programId <= 99999999))) {
      error(localize("Program number is out of range."));
      return;
    }
    if (programComment) {
      writeComment(programComment);
    }
  } 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) + " " +
          (tool.diameter != 0 ? "D=" + spatialFormat.format(tool.diameter) + " " : "") +
          (tool.isTurningTool() ? localize("NR") + "=" + spatialFormat.format(tool.noseRadius) : localize("CR") + "=" + spatialFormat.format(tool.cornerRadius)) +
          (tool.taperAngle > 0 && (tool.taperAngle < Math.PI) ? " " + localize("TAPER") + "=" + taperFormat.format(tool.taperAngle) + localize("deg") : "") +
          (zRanges[tool.number] ? " - " + localize("ZMIN") + "=" + spatialFormat.format(zRanges[tool.number].getMinimum()) : "") +
           " - " + localize(getToolTypeName(tool.type));
        writeComment(comment);
      }
    }
  }

  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;
      }
    }
  }

  gPlaneModal.format(18); // no output, just set G18 as active plane
  writeBlock(gFeedModeModal.format(98), gFormat.format(40));

  switch (unit) {
  case IN:
    writeBlock(gUnitModal.format(20));
    break;
  case MM:
    writeBlock(gUnitModal.format(21));
    break;
  }

  onCommand(COMMAND_START_CHIP_TRANSPORT);
}

function onComment(message) {
  writeComment(message);
}

/** Force output of X, Y, and Z. */
function forceXYZ() {
  xOutput.reset();
  yOutput.reset();
  zOutput.reset();
}

function forceFeed() {
  currentFeedId = undefined;
  feedOutput.reset();
}

/** Force output of X, Y, Z, and F on next output. */
function forceAny() {
  forceXYZ();
  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
    }
  }
}

function FeedContext(id, description, feed) {
  this.id = id;
  this.description = description;
  this.feed = feed;
}

function getFeed(f) {
  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
  }
  if (gFeedModeModal.getCurrent() == fprCode) {
    f = (feedFormat.format(f) <= 0) ? (Math.pow(10, feedFormat.getNumberOfDecimals() * -1)) : f;
  }
  return feedOutput.format(f); // use feed value
}

function initializeActiveFeeds() {
  activeMovements = new Array();
  var movements = currentSection.getMovements();
  var feedPerRev = currentSection.feedMode == FEED_PER_REVOLUTION;

  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"), feedPerRev ? getParameter("operation:tool_feedCuttingRel") : getParameter("operation:tool_feedCutting"));
      activeFeeds.push(feedContext);
      activeMovements[MOVEMENT_CUTTING] = feedContext;
      activeMovements[MOVEMENT_LINK_TRANSITION] = feedContext;
      activeMovements[MOVEMENT_EXTENDED] = feedContext;
    }
    ++id;
    if (movements & (1 << MOVEMENT_PREDRILL)) {
      feedContext = new FeedContext(id, localize("Predrilling"), feedPerRev ? getParameter("operation:tool_feedCuttingRel") : getParameter("operation:tool_feedCutting"));
      activeMovements[MOVEMENT_PREDRILL] = feedContext;
      activeFeeds.push(feedContext);
    }
    ++id;
  }

  if (hasParameter("operation:finishFeedrate")) {
    if (movements & (1 << MOVEMENT_FINISH_CUTTING)) {
      var finishFeedrateRel;
      if (hasParameter("operation:finishFeedrateRel")) {
        finishFeedrateRel = getParameter("operation:finishFeedrateRel");
      } else if (hasParameter("operation:finishFeedratePerRevolution")) {
        finishFeedrateRel = getParameter("operation:finishFeedratePerRevolution");
      }
      var feedContext = new FeedContext(id, localize("Finish"), feedPerRev ? finishFeedrateRel : 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"), feedPerRev ? getParameter("operation:tool_feedCuttingRel") : 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"), feedPerRev ? getParameter("operation:tool_feedEntryRel") : 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"), feedPerRev ? getParameter("operation:tool_feedExitRel") : 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"), feedPerRev ? getParameter("operation:noEngagementFeedrateRel") : 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(
          feedPerRev ? getParameter("operation:tool_feedCuttingRel") : getParameter("operation:tool_feedCutting"),
          feedPerRev ? getParameter("operation:tool_feedEntryRel") : getParameter("operation:tool_feedEntry"),
          feedPerRev ? getParameter("operation:tool_feedExitRel") : 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"), feedPerRev ? getParameter("operation:reducedFeedrateRel") : 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"), feedPerRev ? getParameter("operation:tool_feedRampRel") : 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"), feedPerRev ? getParameter("operation:tool_feedPlungeRel") : 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;
  }

  for (var i = 0; i < activeFeeds.length; ++i) {
    var feedContext = activeFeeds[i];
    writeBlock("#" + (firstFeedParameter + feedContext.id) + "=" + feedFormat.format(feedContext.feed), formatComment(feedContext.description));
  }
}

function getSpindle() {
  if (getNumberOfSections() == 0) {
    return SPINDLE_PRIMARY;
  }
  if (getCurrentSectionId() < 0) {
    return getSection(getNumberOfSections() - 1).spindle == 0;
  }
  if (currentSection.getType() == TYPE_TURNING) {
    return currentSection.spindle;
  } else {
    if (isSameDirection(currentSection.workPlane.forward, new Vector(0, 0, 1))) {
      return SPINDLE_PRIMARY;
    } else if (isSameDirection(currentSection.workPlane.forward, new Vector(0, 0, -1))) {
      if (!gotSecondarySpindle) {
        error(localize("Secondary spindle is not available."));
      }
      return SPINDLE_SECONDARY;
    } else {
      return SPINDLE_PRIMARY;
    }
  }
}

function ToolingData(_tool) {
  switch (_tool.turret) {
  // Positional Turret
  case 0:
    this.tooling = TURRET;
    this.toolPost = REAR;
    break;
  // QCTP X-
  case 101:
    this.tooling = QCTP;
    this.toolPost = FRONT;
    break;
  // QCTP X+
  case 102:
    this.tooling = QCTP;
    this.toolPost = REAR;
    break;
  // Gang Tooling X-
  case 103:
    this.tooling = GANG;
    this.toolPost = FRONT;
    break;
  // Gang Tooling X+
  case 104:
    this.tooling = GANG;
    this.toolPost = REAR;
    break;
  default:
    error(localize("Turret number must be 0 (main turret), 101 (QCTP X-), 102 (QCTP X+, 103 (gang tooling X-), or 104 (gang tooling X+)."));
    break;
  }
  this.number = _tool.number;
  this.comment = _tool.comment;
  this.toolLength = _tool.bodyLength;
  // HSMWorks returns 0 in tool.bodyLength
  if ((tool.bodyLength == 0) && hasParameter("operation:tool_bodyLength")) {
    this.toolLength = getParameter("operation:tool_bodyLength");
  }
}

function setDirectionX() {
  xFormat.setScale(toolingData.toolPost == FRONT ? Math.abs(xFormat.getScale()) * -1 : Math.abs(xFormat.getScale()));
  iFormat.setScale(toolingData.toolPost == FRONT ? Math.abs(iFormat.getScale()) * -1 : Math.abs(iFormat.getScale()));
  xOutput = createVariable({prefix:"X"}, xFormat);
  iOutput = createReferenceVariable({prefix:"I"}, iFormat);
}

function onSection() {
  if (currentSection.getType() != TYPE_TURNING) {
    if (!hasParameter("operation-strategy") || (getParameter("operation-strategy") != "drill")) {
      if (currentSection.getType() == TYPE_MILLING) {
        error(localize("Milling toolpath is not supported."));
      } else {
        error(localize("Non-turning toolpath is not supported."));
      }
      return;
    }
  }

  var forceSectionRestart = optionalSection && !currentSection.isOptional();
  optionalSection = currentSection.isOptional();

  var turning = (currentSection.getType() == TYPE_TURNING);

  var insertToolCall = forceSectionRestart || isFirstSection() ||
    currentSection.getForceToolChange && currentSection.getForceToolChange() ||
    (tool.number != getPreviousSection().getTool().number) ||
    (tool.compensationOffset != getPreviousSection().getTool().compensationOffset) ||
    (tool.diameterOffset != getPreviousSection().getTool().diameterOffset) ||
    (tool.lengthOffset != getPreviousSection().getTool().lengthOffset);

  var newSpindle = isFirstSection() ||
    (getPreviousSection().spindle != currentSection.spindle);
  var newWorkOffset = isFirstSection() || forceSectionRestart ||
    (getPreviousSection().workOffset != currentSection.workOffset); // work offset changes

  // determine which tooling holder is used
  if (!isFirstSection()) {
    previousToolingData = toolingData;
  }
  toolingData = new ToolingData(tool);
  toolingData.operationComment = "";
  if (hasParameter("operation-comment")) {
    toolingData.operationComment = getParameter("operation-comment");
  }
  toolingData.toolChange = insertToolCall;
  if (isFirstSection()) {
    previousToolingData = toolingData;
  }

  setDirectionX();

  if (insertToolCall || newSpindle || newWorkOffset) {
    // retract to safe plane
    // retracted = true;
    if (!isFirstSection() && insertToolCall) {
      onCommand(COMMAND_COOLANT_OFF);
    }
    // writeBlock(gFormat.format(28), "U" + xFormat.format(0)); // retract
    forceXYZ();
  }

  if (getProperty("separateOperationsWithBlankLines")) {
    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 (var line in lines) {
        var comment = lines[line].replace(r1, "").replace(r2, "");
        if (comment) {
          writeComment(comment);
        }
      }
    }
  }

  if (insertToolCall) {
    forceModals(gFeedModeModal);
    // retracted = true;
    // onCommand(COMMAND_COOLANT_OFF);

    if (!isFirstSection() && getProperty("optionalStop")) {
      onCommand(COMMAND_OPTIONAL_STOP);
    }

    if (tool.number > 99) {
      warning(localize("Tool number exceeds maximum value."));
    }

    if ((toolingData.tooling == QCTP) || tool.getManualToolChange()) {
      var comment = formatComment(localize("CHANGE TO T") + tool.number + " " + localize("ON") + " " +
        localize((toolingData.toolPost == REAR) ? "REAR TOOL POST" : "FRONT TOOL POST"));
      writeBlock(mFormat.format(0), comment);
    }

    writeToolBlock("T" + toolFormat.format(tool.number), mFormat.format(6));
    if (tool.comment) {
      writeComment(tool.comment);
    }
  }

  // Output modal commands here
  writeBlock(getCode(currentSection.feedMode == FEED_PER_REVOLUTION ? "FEED_MODE_UNIT_REV" : "FEED_MODE_UNIT_MIN"));

  // wcs
  /*
  if (insertToolCall) { // force work offset when changing tool
    currentWorkOffset = undefined;
  }

  if (currentSection.workOffset != currentWorkOffset) {
    writeBlock(currentSection.wcs);
    currentWorkOffset = currentSection.workOffset;
  }
  */

  // set coolant after we have positioned at Z
  setCoolant(tool.coolant);

  forceAny();
  gMotionModal.reset();

  if (gotTailStock) {
    writeBlock(currentSection.tailstock ? getCode("TAILSTOCK_ON") : getCode("TAILSTOCK_OFF"));
  }
  // writeBlock(mFormat.format(clampPrimaryChuck ? x : x));
  // writeBlock(mFormat.format(clampSecondaryChuck ? x : x));

  var initialPosition = getFramePosition(currentSection.getInitialPosition());
  var spindleChanged = forceSpindleSpeed || newSpindle || isSpindleSpeedDifferent();
  if (insertToolCall || spindleChanged) {
    forceSpindleSpeed = false;
    startSpindle(false, true, initialPosition);
  }

  setRotation(currentSection.workPlane);

  /*
  if (currentSection.partCatcher) {
    engagePartCatcher(true);
  }

  if (!retracted) {
  // TAG: need to retract along X or Z
    if (getCurrentPosition().z < initialPosition.z) {
      writeBlock(gMotionModal.format(0), zOutput.format(initialPosition.z));
    }
  }
  */

  if (insertToolCall || (tool.getSpindleMode() == SPINDLE_CONSTANT_SURFACE_SPEED)) {
    gMotionModal.reset();
    if (getProperty("approachStyle") == "ZX") {
      writeBlock(gMotionModal.format(0), zOutput.format(initialPosition.z));
      writeBlock(gMotionModal.format(0), xOutput.format(initialPosition.x), yOutput.format(initialPosition.y));
    } else {
      writeBlock(gMotionModal.format(0), xOutput.format(initialPosition.x), yOutput.format(initialPosition.y), zOutput.format(initialPosition.z));
    }
    gMotionModal.reset();
  }

  // enable SFM spindle speed
  if (tool.getSpindleMode() == SPINDLE_CONSTANT_SURFACE_SPEED) {
    startSpindle(false, false);
  }

/*
  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));
}

var pendingRadiusCompensation = -1;

function onRadiusCompensation() {
  pendingRadiusCompensation = radiusCompensation;
}

function onRapid(_x, _y, _z) {
  var x = xOutput.format(_x);
  var y = yOutput.format(_y);
  var z = zOutput.format(_z);
  if (x || y || z) {
    if (pendingRadiusCompensation >= 0) {
      pendingRadiusCompensation = -1;
      switch (radiusCompensation) {
      case RADIUS_COMPENSATION_LEFT:
        writeBlock(gMotionModal.format(0), gFormat.format(isReversed() ? 41 : 42), x, y, z);
        break;
      case RADIUS_COMPENSATION_RIGHT:
        writeBlock(gMotionModal.format(0), gFormat.format(isReversed() ? 41 : 42), x, y, z);
        break;
      default:
        writeBlock(gMotionModal.format(0), gFormat.format(40), x, y, z);
      }
    } else {
      writeBlock(gMotionModal.format(0), x, y, z);
    }
    forceFeed();
  }
}

var resetFeed = false;

function onLinear(_x, _y, _z, feed) {
  if (isSpeedFeedSynchronizationActive()) {
    gMotionModal.reset();
    resetFeed = true;
    var threadPitch = getParameter("operation:threadPitch");
    var threadsPerInch = 1.0 / threadPitch; // per mm for metric
    writeBlock(gMotionModal.format(1), xOutput.format(_x), yOutput.format(_y), zOutput.format(_z), pitchOutput.format(1 / threadsPerInch));
    return;
  }
  if (resetFeed) {
    resetFeed = false;
    forceFeed();
  }

  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;
      switch (radiusCompensation) {
      case RADIUS_COMPENSATION_LEFT:
        writeBlock(gMotionModal.format(1), gFormat.format(isReversed() ? 42 : 41), x, y, z, f);
        break;
      case RADIUS_COMPENSATION_RIGHT:
        writeBlock(gMotionModal.format(1), gFormat.format(isReversed() ? 41 : 42), x, y, z, 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);
    }
  }
}

/** Adjust final point to lie exactly on circle. */
function CircularData(_plane, _center, _end) {
  // use Output variables, since last point could have been adjusted if previous move was circular
  var start = new Vector(xOutput.getCurrent(), yOutput.getCurrent(), zOutput.getCurrent());
  var saveStart = new Vector(start.x, start.y, start.z);
  var center = _center;
  var end = _end;
  switch (_plane) {
  case PLANE_XY:
    start.setZ(center.z);
    end.setZ(center.z);
    break;
  case PLANE_ZX:
    start.setY(center.y);
    end.setY(center.y);
    break;
  case PLANE_YZ:
    start.setX(center.x);
    end.setX(center.x);
    break;
  default:
    this.center = new Vector(center.x, center.y, center.z);
    this.start = new Vector(start.x, start.y, start.z);
    this.end = new Vector(_end.x, _end.y, _end.z);
    this.offset = Vector.diff(center, start);
    this.radius = this.offset.length;
    break;
  }
  this.start = new Vector(
    spatialFormat.getResultingValue(start.x),
    spatialFormat.getResultingValue(start.y),
    spatialFormat.getResultingValue(start.z)
  );
  temp = Vector.diff(center, start);
  this.offset = new Vector(
    spatialFormat.getResultingValue(temp.x),
    spatialFormat.getResultingValue(temp.y),
    spatialFormat.getResultingValue(temp.z)
  );
  this.center = Vector.sum(this.start, this.offset);
  this.radius = this.offset.length;

  temp = Vector.diff(end, center).normalized;
  this.end = new Vector(
    spatialFormat.getResultingValue(this.center.x + temp.x * radius),
    spatialFormat.getResultingValue(this.center.y + temp.y * radius),
    spatialFormat.getResultingValue(this.center.z + temp.z * radius)
  );

  switch (_plane) {
  case PLANE_XY:
    this.start.setZ(saveStart.z);
    this.end.setZ(_end.z);
    this.offset.setZ(0);
    break;
  case PLANE_ZX:
    this.start.setY(saveStart.y);
    this.end.setY(_end.y);
    this.offset.setY(0);
    break;
  case PLANE_YZ:
    this.start.setX(saveStart.x);
    this.end.setX(_end.x);
    this.offset.setX(0);
    break;
  }
}

function isReversed() {
  return (getProperty("reverseArcDirection") && toolingData.toolPost == REAR) ||
    (!getProperty("reverseArcDirection") && toolingData.toolPost == FRONT);
}

function onCircular(clockwise, cx, cy, cz, x, y, z, feed) {
  if (isSpeedFeedSynchronizationActive()) {
    error(localize("Speed-feed synchronization is not supported for circular moves."));
    return;
  }

  if (pendingRadiusCompensation >= 0) {
    error(localize("Radius compensation cannot be activated/deactivated for a circular move."));
    return;
  }

  if (getCircularPlane() != PLANE_ZX) {
    linearize(tolerance);
    return;
  }

  var circle = new CircularData(getCircularPlane(), new Vector(cx, cy, cz), new Vector(x, y, z));

  var start = getCurrentPosition();
  var direction = isReversed() ? (clockwise ? 3 : 2) : (clockwise ? 2 : 3);

  if (isFullCircle()) {
    if (getProperty("useRadius") || isHelical()) { // radius mode does not support full arcs
      linearize(tolerance);
      return;
    }
    switch (getCircularPlane()) {
    case PLANE_XY:
      writeBlock(
        gPlaneModal.format(17), gMotionModal.format(direction),
        iOutput.format(circle.offset.x, 0), jOutput.format(circle.offset.y, 0), feedOutput.format(feed)
      );
      break;
    case PLANE_ZX:
      writeBlock(
        gPlaneModal.format(18), gMotionModal.format(direction),
        iOutput.format(circle.offset.x, 0), kOutput.format(circle.offset.z, 0), feedOutput.format(feed)
      );
      break;
    case PLANE_YZ:
      writeBlock(
        gPlaneModal.format(19), gMotionModal.format(direction),
        jOutput.format(circle.offset.y, 0), kOutput.format(circle.offset.z, 0), feedOutput.format(feed)
      );
      break;
    default:
      linearize(tolerance);
    }
  } else if (!getProperty("useRadius")) {
    switch (getCircularPlane()) {
    case PLANE_XY:
      writeBlock(
        gPlaneModal.format(17), gMotionModal.format(direction),
        xOutput.format(circle.end.x), yOutput.format(circle.end.y), zOutput.format(circle.end.z),
        iOutput.format(circle.offset.x, 0), jOutput.format(circle.offset.y, 0), getFeed(feed)
      );
      break;
    case PLANE_ZX:
      writeBlock(
        gPlaneModal.format(18), gMotionModal.format(direction),
        xOutput.format(circle.end.x), yOutput.format(circle.end.y), zOutput.format(circle.end.z),
        iOutput.format(circle.offset.x, 0), kOutput.format(circle.offset.z, 0), getFeed(feed)
      );
      break;
    case PLANE_YZ:
      writeBlock(
        gPlaneModal.format(19), gMotionModal.format(direction),
        xOutput.format(circle.end.x), yOutput.format(circle.end.y), zOutput.format(circle.end.z),
        jOutput.format(circle.offset.y, 0), kOutput.format(circle.offset.z, 0), getFeed(feed)
      );
      break;
    default:
      linearize(tolerance);
    }
  } else { // use radius mode
    var r = circle.radius;
    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(direction), 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(direction), 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(direction), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
      break;
    default:
      linearize(tolerance);
    }
  }
}

var localCycle;

function onCycle() {
}

/** Calculate threading cycle parameters, should be called on first pass. */
function ThreadingCycle(x, y, z) {
  var inverted = (toolingData.toolPost == REAR) ? 1 : -1;
  this.external = getParameter("operation:turningMode") == "outer";
  this.depth = getParameter("operation:threadDepth");
  this.springPass = getParameter("operation:nullPass");
  this.passes = getParameter("operation:numberOfStepdowns");
  this.pitch = cycle.pitch;
  this.infeedAngle = getParameter("operation:infeedAngle");
  this.threadStarts = getParameter("operation:doMultipleThreads") == 0 ? 1 : getParameter("operation:numberOfThreads");
  this.peck = this.depth / getParameter("operation:numberOfStepdowns");
  this.end = new Vector(x + (this.external ? this.peck : -this.peck), y, z);
  this.start = new Vector(this.end.x - (cycle.incrementalX * inverted), y, z - cycle.incrementalZ);
  this.bottom = this.start.x - (this.external ? this.depth : -this.depth);
}

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" + spatialFormat.format(r)];
}

var threadStart;
var threadEnd;
function moveToThreadStart(x, y, z) {
  var cuttingAngle = 0;
  if (hasParameter("operation:infeedAngle")) {
    cuttingAngle = getParameter("operation:infeedAngle");
  }
  if (cuttingAngle != 0) {
    var zz;
    if (isFirstCyclePoint()) {
      threadStart = getCurrentPosition();
      threadEnd = new Vector(x, y, z);
    } else {
      var zz = threadStart.z - (Math.abs(threadEnd.x - x) * Math.tan(toRad(cuttingAngle)));
      writeBlock(gMotionModal.format(0), zOutput.format(zz));
      threadStart.setZ(zz);
      threadEnd = new Vector(x, y, z);
    }
  }
}

function onCyclePoint(x, y, z) {
  if (!(isSameDirection(currentSection.workPlane.forward, new Vector(0, 0, 1)) ||
      isSameDirection(currentSection.workPlane.forward, new Vector(0, 0, -1)))) {
    expandCyclePoint(x, y, z);
    return;
  }

  switch (cycleType) {
  case "thread-turning":
    if (getProperty("useSimpleThread")) {
      var inverted = (toolingData.toolPost == REAR) ? 1 : -1;
      var r = -cycle.incrementalX * inverted; // positive if taper goes down - delta radius
      moveToThreadStart(x, y, z);
      var threadsPerInch = 1.0 / cycle.pitch; // per mm for metric
      var f = 1 / threadsPerInch;
      writeBlock(
        gMotionModal.format(92),
        xOutput.format(x - cycle.incrementalX),
        yOutput.format(y),
        zOutput.format(z),
        conditional(zFormat.isSignificant(r), g92ROutput.format(r)),
        feedOutput.format(f)
      );
    } else {
      if (isFirstCyclePoint()) {
        localCycle = new ThreadingCycle(x, y, z);
      }
      if (!isLastCyclePoint()) {
        return;
      }

      writeBlock(
        gFormat.format(138),
        threadXBOutput.format(localCycle.start.x), // start position
        threadZBOutput.format(localCycle.start.z),
        threadXMOutput.format(localCycle.bottom),
        threadXEOutput.format(localCycle.end.x), // end position
        threadZEOutput.format(localCycle.end.z),
        threadPOutput.format(localCycle.pitch), // thread pitch
        threadNPOutput.format(localCycle.passes), // number of passes
        threadSPOutput.format(localCycle.springPass), // number of spring passes
        threadAOutput.format(localCycle.infeedAngle), // infeed angle
        threadSIOutput.format(localCycle.external ? 1 : 0), // 0 = internal thread, 1 = external thread
        threadSTOutput.format(localCycle.threadStarts), // number of thread starts
        sOutput.format(spindleSpeed),
        "T" + toolFormat.format(tool.number)
      );
      gMotionModal.reset();
    }
    return;
  }

  if (isFirstCyclePoint()) {
    repositionToCycleClearance(cycle, x, y, z);

    var F = cycle.feedrate;
    var P = !cycle.dwell ? 0 : clamp(1, cycle.dwell * 1000, 99999999); // in milliseconds

    switch (cycleType) {
    case "deep-drilling":
      if (P > 0) {
        expandCyclePoint(x, y, z);
      } else {
        writeBlock(
          gCycleModal.format(83),
          getCommonCycle(x, y, z, cycle.retract),
          "Q" + spatialFormat.format(cycle.incrementalDepth),
          // conditional(P > 0, "P" + milliFormat.format(P)),
          feedOutput.format(F)
        );
      }
      break;
    case "boring":
      if (feedFormat.getResultingValue(cycle.feedrate) != feedFormat.getResultingValue(cycle.retractFeedrate)) {
        expandCyclePoint(x, y, z);
        break;
      }
      writeBlock(
        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 {
      var _x = xOutput.format(x);
      var _y = yOutput.format(y);
      var _z = zOutput.format(z);
      if (!_x && !_y && !_z) {
        switch (gPlaneModal.getCurrent()) {
        case 17: // XY
          xOutput.reset(); // at least one axis is required
          _x = xOutput.format(x);
          break;
        case 18: // ZX
          zOutput.reset(); // at least one axis is required
          _z = zOutput.format(z);
          break;
        case 19: // YZ
          yOutput.reset(); // at least one axis is required
          _y = yOutput.format(y);
          break;
        }
      }
      writeBlock(_x, _y, _z);
    }
  }
}

function onCycleEnd() {
  if (!cycleExpanded) {
    switch (cycleType) {
    case "thread-turning":
      forceFeed();
      xOutput.reset();
      zOutput.reset();
      g92ROutput.reset();
      break;
    default:
      writeBlock(gCycleModal.format(80));
    }
  }
}

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;
}

function onSpindleSpeed(spindleSpeed) {
  if (rpmFormat.areDifferent(spindleSpeed, sOutput.getCurrent())) {
    startSpindle(false, false, getFramePosition(currentSection.getInitialPosition()), spindleSpeed);
  }
}

function startSpindle(tappingMode, forceRPMMode, initialPosition, rpm) {
  var spindleDir;
  var spindleMode;
  var _spindleSpeed = spindleSpeed;
  if (rpm !== undefined) {
    _spindleSpeed = rpm;
  }
  gSpindleModeModal.reset();

  if ((getSpindle() == SPINDLE_SECONDARY) && !gotSecondarySpindle) {
    error(localize("Secondary spindle is not available."));
    return;
  }

  if (false /*tappingMode*/) {
    spindleDir = getCode("RIGID_TAPPING");
  } else {
    if (getSpindle() == SPINDLE_SECONDARY) {
      spindleDir = tool.clockwise ? getCode("START_SUB_SPINDLE_CW") : getCode("START_SUB_SPINDLE_CCW");
    } else {
      spindleDir = tool.clockwise ? getCode("START_MAIN_SPINDLE_CW") : getCode("START_MAIN_SPINDLE_CCW");
    }
  }

  var maximumSpindleSpeed = (tool.maximumSpindleSpeed > 0) ? Math.min(tool.maximumSpindleSpeed, getProperty("maximumSpindleSpeed")) : getProperty("maximumSpindleSpeed");
  if (tool.getSpindleMode() == SPINDLE_CONSTANT_SURFACE_SPEED) {
    _spindleSpeed = tool.surfaceSpeed * ((unit == MM) ? 1 / 1000.0 : 1 / 12.0);
    if (forceRPMMode) { // RPM mode is forced until move to initial position
      if (xFormat.getResultingValue(initialPosition.x) == 0) {
        _spindleSpeed = maximumSpindleSpeed;
      } else {
        _spindleSpeed = Math.min((_spindleSpeed * ((unit == MM) ? 1000.0 : 12.0) / (Math.PI * Math.abs(initialPosition.x * 2))), maximumSpindleSpeed);
      }
      spindleMode = getCode("CONSTANT_SURFACE_SPEED_OFF");
    } else {
      spindleMode = getCode("CONSTANT_SURFACE_SPEED_ON");
    }
  } else {
    spindleMode = getCode("CONSTANT_SURFACE_SPEED_OFF");
  }
  if (getSpindle(true) == SPINDLE_SECONDARY) {
    writeBlock(
      spindleMode,
      sOutput.format(_spindleSpeed),
      spindleDir
    );
  } else {
    writeBlock(
      spindleMode,
      sOutput.format(_spindleSpeed),
      spindleDir
    );
  }
  // wait for spindle here if required
}

function onCommand(command) {
  switch (command) {
  case COMMAND_COOLANT_OFF:
    setCoolant(COOLANT_OFF);
    return;
  case COMMAND_COOLANT_ON:
    setCoolant(COOLANT_FLOOD);
    return;
  case COMMAND_LOCK_MULTI_AXIS:
    return;
  case COMMAND_UNLOCK_MULTI_AXIS:
    return;
  case COMMAND_START_CHIP_TRANSPORT:
    // getCode("START_CHIP_TRANSPORT");
    return;
  case COMMAND_STOP_CHIP_TRANSPORT:
    // getCode("STOP_CHIP_TRANSPORT");
    return;
  case COMMAND_BREAK_CONTROL:
    return;
  case COMMAND_TOOL_MEASURE:
    return;
  case COMMAND_ACTIVATE_SPEED_FEED_SYNCHRONIZATION:
    return;
  case COMMAND_DEACTIVATE_SPEED_FEED_SYNCHRONIZATION:
    return;
  case COMMAND_STOP:
    writeBlock(mFormat.format(0));
    forceSpindleSpeed = true;
    forceCoolant = true;
    return;
  case COMMAND_OPTIONAL_STOP:
    writeBlock(mFormat.format(1));
    forceSpindleSpeed = true;
    forceCoolant = true;
    break;
  case COMMAND_END:
    writeBlock(mFormat.format(2));
    break;
  case COMMAND_SPINDLE_CLOCKWISE:
    switch (currentSection.spindle) {
    case SPINDLE_PRIMARY:
      writeBlock(mFormat.format(3));
      break;
    // case SPINDLE_SECONDARY:
      // writeBlock(mFormat.format(143));
      // break;
    }
    break;
  case COMMAND_SPINDLE_COUNTERCLOCKWISE:
    switch (currentSection.spindle) {
    case SPINDLE_PRIMARY:
      writeBlock(mFormat.format(4));
      break;
    // case SPINDLE_SECONDARY:
      // writeBlock(mFormat.format(144));
      // break;
    }
    break;
  case COMMAND_START_SPINDLE:
    onCommand(tool.clockwise ? COMMAND_SPINDLE_CLOCKWISE : COMMAND_SPINDLE_COUNTERCLOCKWISE);
    return;
  case COMMAND_STOP_SPINDLE:
    switch (currentSection.spindle) {
    case SPINDLE_PRIMARY:
      writeBlock(mFormat.format(5));
      break;
    // case SPINDLE_SECONDARY:
      // writeBlock(mFormat.format(145));
      // break;
    }
    break;
  case COMMAND_ORIENTATE_SPINDLE:
    if (getSpindle() == 0) {
      writeBlock(mFormat.format(19)); // use P or R to set angle (optional)
    } else {
      writeBlock(mFormat.format(119));
    }
    break;
  //case COMMAND_CLAMP: // TAG: add support for clamping
  //case COMMAND_UNCLAMP: // TAG: add support for clamping
  default:
    onUnsupportedCommand(command);
  }
}

/*
function engagePartCatcher(engage) {
  if (engage) {
    // catch part here
    writeBlock(getCode("PART_CATCHER_ON"), formatComment(localize("PART CATCHER ON")));
  } else {
    onCommand(COMMAND_COOLANT_OFF);
    writeBlock(gFormat.format(28), gMotionModal.format(0), "U" + xFormat.format(getProperty("g53HomePositionX"))); // retract
    writeBlock(gFormat.format(28), gMotionModal.format(0), "W" + zFormat.format(getProperty("g53HomePositionZ"))); // retract
    writeBlock(getCode("PART_CATCHER_OFF"), formatComment(localize("PART CATCHER OFF")));
    forceXYZ();
  }
}
*/

function onSectionEnd() {

  // cancel SFM mode to preserve spindle speed
  if (tool.getSpindleMode() == SPINDLE_CONSTANT_SURFACE_SPEED) {
    startSpindle(false, true, getFramePosition(currentSection.getFinalPosition()));
  }

  /*
  if (currentSection.partCatcher) {
    engagePartCatcher(false);
  }
*/
  forceAny();
}

function onClose() {
  if (getProperty("separateOperationsWithBlankLines")) {
    writeln("");
  }

  optionalSection = false;

  onCommand(COMMAND_COOLANT_OFF);

  onCommand(COMMAND_STOP_CHIP_TRANSPORT);

  // we might want to retract in Z before X
  // writeBlock(gFormat.format(28), "U" + xFormat.format(0)); // retract

  forceXYZ();
  if (!machineConfiguration.hasHomePositionX() && !machineConfiguration.hasHomePositionY()) {
    // writeBlock(gFormat.format(28), "U" + xFormat.format(0), conditional(yOutput.isEnabled(), "V" + yFormat.format(0)), "W" + zFormat.format(0)); // return to home
  } else {
    var homeX;
    if (machineConfiguration.hasHomePositionX()) {
      homeX = xOutput.format(machineConfiguration.getHomePositionX());
    }
    var homeY;
    if (machineConfiguration.hasHomePositionY()) {
      homeY = yOutput.format(machineConfiguration.getHomePositionY());
    }
    // writeBlock(gFormat.format(53), gMotionModal.format(0), homeX, homeY, zOutput.format(machineConfiguration.getRetractPlane()));
  }

  onImpliedCommand(COMMAND_END);
  onImpliedCommand(COMMAND_STOP_SPINDLE);
  writeBlock(mFormat.format(30)); // stop program, spindle stop, coolant off
  writeln("%");
}

function setProperty(property, value) {
  properties[property].current = value;
}