Lua Module - Postprocessor

local limitmove = 0

function ppStart( prj, job, jobnext) --executed within s2.pp.run(objlist) -> see ppMain()
    s2.printnl("start pp run in project <", prj:get("nameProject"), ">")
end

function ppJobStart(prj, joblast, job, jobnext) --executed every time a new job starts
  s2.printnl("\tstart of ", job:get("nameJob"))
  limitmove = 0
end

function ppMove(job,x,y,z,gflag,mflag) --executed for each toolpath point
  if limitmove > 2 then return end
    s2.print("\t\t")
  if x ~= nil then s2.print("X ", x," ") end
  if y ~= nil then s2.print("Y ", y," ") end
  if z ~= nil then s2.print("Z ", z," ") end
  s2.nl()
  limitmove = limitmove + 1
end


function ppJobEnd(prj, joblast, job, jobnext) --executed after the last movement of the current job
s2.printnl("\tend of ", job:get("nameJob"))
end

function ppEnd(prj, joblast, job) --executed after all jobs have been completed
s2.printnl("pp run finished")
end


function ppMain(objlist, prj) – entry point
  s2.pp.run(objlist) – start postprocessor run (ppStart, ppJobStart, ppMove, ppJobEnd, ppEnd)
  s2.success("Done!")
end

-------------------------------------------------------------------------------
-- This template is a very minimal example script and is not intended for productive use.
-------------------------------------------------------------------------------

local pushToConsole     = true      -- Write NC Code to Console (if set it's recomented to set debugLimiter also)
local pushToFile        = true      -- Write NC Code to File   
local debugLimiter = 50 -- Set this value to limit ppMove to maximum lines (very useful for debugging).
local debugCounter
local ncbuffer
local codeFeed
local codeFeedRamp
local codeFeedDrill
local codeFeedRapid

function ppStart (prj, job, jobnext) --executed within s2.pp.run(objlist) -> see ppMain()
    s2.clear() – clear console
  ncbuffer = s2.txtBuf() – create empty text buffer
  ncbuffer:addnl("G17 G40 G49 G80 G90 G94") – write NC code header at beginning of the text buffer
  ncbuffer:addnl("G21 (mm)")
end

function ppJobStart (prj, joblast, job, jobnext) --executed every time a new job starts
    if job:get("collision") then s2.abort("collision detected") return end  --abort in case of a collision
    debugCounter        =   0 
    codeFeed = string.format("G1 F%d", job:get("feed") or 0) -- save codesnippet for the feedrate
  codeFeedRamp = string.format("G1 F%d", job:get("feedRamp") or 0) -- (used frequently in ppMove)
    codeFeedDrill = string.format("G1 F%d", job:get("feedDrill") or 0)
codeFeedRapid = string.format("G0")
if job:get("feedMode") ~= 0 then
codeFeedRapid = string.format("G1 F%d", job:get("feedRapid") or 0)
    end
  ncbuffer:addnl("(start job "", job:get("nameJob"), "")") --write jobname as NC Comment to textbuffer
  ncbuffer:addnl(string.format("T%d M06 (%s)\n", job:get("toolId"),job:get("nameTool"))) --Tool call
end

function ppMove (job,x,y,z,gflag,mflag) --executed for each toolpath point
    if debugLimiter > 0 and debugCounter == debugLimiter then 
    ncbuffer:addnl("M5 M0\n(...skipped)") --debugLimiter -> write NC Stop to textbuffer
    debugCounter = debugCounter + 1 
    end
    if debugLimiter > 0 and debugCounter >= debugLimiter then return end --Limit calls in debugmode (debugLimiter)

  if mflag ~= nil then --check cooling and spindle start and write to textbuffer
    if (mflag & FLAG_M_SPINDLE_START) ~= 0 then
            speed = math.tointeger(job:get("spindleSpeed"))

            if speed == nil or speed <= 0 then 
                s2.abort("no spindlespeed set in job <",job:get("nameJob"),">" ) 
                return 
            end

            if job:get("spindleRot") == 0 then ncbuffer:addnl("S", speed, "M03")
else ncbuffer:addnl("S", speed, "M04")
end
if job:get("cooling") == 1 then ncbuffer:addnl("M08")
            elseif job:get("cooling") == 2 then ncbuffer:addnl("M09")
end
end
end

local gcode = nil --check if feedmode changed
if gflag ~= nil then
if (gflag&FLAG_G1_PLUNGE) ~= 0 then gcode = codeFeedDrill
        elseif (gflag&FLAG_G1_RAMP) ~= 0 then gcode = codeFeedRamp
elseif (gflag&FLAG_G1) ~= 0 then gcode = codeFeed
elseif (gflag&FLAG_G0) ~= 0 then gcode = codeFeedRapid
end
end

    if gcode ~= nil then gcode = gcode .. " " end --create string for coordinates
if x ~= nil then x = string.format("X%g ", x) end
if y ~= nil then y = string.format("Y%g ", y) End
if z ~= nil then z = string.format("Z%g ", z) End
    
    ncbuffer:add((gcode or "") .. (x or "") .. (y or "") .. (z or "").. "\n") -- write movement to textbuffer
    debugCounter = debugCounter + 1
end

function ppJobEnd (prj, joblast, job, jobnext) --executed after the last movement of the current job
    if job:get("pause") then
        ncbuffer:addnl("M00")
end
ncbuffer:addnl("(end of job "", job:get("nameJob"), "")")
end

function ppEnd (prj, job) --executed after all jobs have been completed
ncbuffer:addnl("M30") --write "nc end and rewind" in the end of the textbuffer
    outpath = s2.path.build(prj:get("dirProject"),s2.path.basename(prj:get("nameProject"))..".txt") --build savepath (projectfolder\projectname.txt)
    s2.printnl("saving nc code to file <", outpath, ">")
    if pushToFile then ncbuffer:save(outpath) end --save textbuffer to disc
if pushToConsole then ncbuffer:print() end --write textbuffer to console
end

function ppMain(objlist, prj) --entry point
   s2.pp.run(objlist) --start postprocessor run (ppStart, ppJobStart, ppMove, ppJobEnd, ppEnd)
   s2.success("Done!")
end