3dprinting/LuaLibs/RunPartPositioning.lua

-- RunPartPositioning.lua by Egaltech s.r.l. 2022/06/28
-- Gestione calcolo disposizione e lavorazioni per stampa 3d
-- 2022/03/21 Creazione file

-- Tabella per definizione modulo
local RunPartPositioning = {}

-- Intestazioni
require( 'EgtBase')

EgtOutLog( ' RunPartPositioning started', 1)

-- Costanti generali
local AMD = require( 'AddManData')

---------------------------------------------------------------------
function RunPartPositioning.Exec()
   -- Verifico che la macchina corrente sia adatta alla stampa 3d
   local sMachIni = EgtGetCurrMachineDir() .. '\\' .. EgtGetCurrMachineName() .. '.ini'
   local sMachMaterial = EgtGetStringFromIni( 'General', 'Material', '', sMachIni)
   if sMachMaterial ~= 'Additive' then
      EgtOutBox( 'Current machine unsuitable for additive manufacturing', 'Warning', 'WARNING')
      return
   end
   -- Recupero ultimo oggetto selezionato
   local nSolidId = EgtGetLastSelectedObj()
   local nLayerId = EgtGetParent( nSolidId)
   local nPartId = EgtGetParent( nLayerId)
   -- Verifico sia in un pezzo valido
   if nPartId then
      if EgtIsPart( nPartId) then
         local sName = EgtGetName( nPartId)
         if sName == TABLE then 
            EgtOutBox( 'No selected part. Please select a part before moving it on the table.', 'Warning', 'WARNING')
            return
         end
         local sLayer = EgtGetName( nLayerId)
         if sLayer == LAY_RIBS then
            EgtOutBox( 'No selected solid. Please select a solid before moving it on the table.', 'Warning', 'WARNING')
            return
         end
      else
         EgtOutBox( 'No selected part. Please select a part before moving it on the table.', 'Warning', 'WARNING')
         return
      end
   else
      EgtOutBox( 'No selected part. Please select a part before moving it on the table.', 'Warning', 'WARNING')
      return
   end

   -- Assegno nome pezzo e layer
   if not EgtGetName( nPartId) then
      local nPartIndex = 1
      while EgtGetFirstNameInGroup( GDB_ID.ROOT, PART .. nPartIndex) do
         nPartIndex = nPartIndex + 1
      end
      EgtSetName( nPartId, PART .. nPartIndex)
      EgtSetName( nLayerId, ORIGINAL_SOLID)
   end
   -- Recupero o creo layer ausiliario
   local nAuxId = EgtGetFirstNameInGroup( nPartId, LAY_AUX)
   if not nAuxId then
      nAuxId = EgtGroup( nPartId)
      EgtSetName( nAuxId, LAY_AUX)
   end

   -- Rimuovo eventuale gruppo di lavoro
   local nMchGrpId = EgtGetMachGroupId( '3dPrint')
   EgtRemoveMachGroup( nMchGrpId or GDB_ID.NULL)
   -- Rimuovo eventuale frame 
   local nFrameId = EgtGetFirstNameInGroup( nAuxId, FRAME_PART)
   if nFrameId then EgtErase( nFrameId) end   
   -- Rimuovo eventuale start point 
   local nPtStartId = EgtGetFirstNameInGroup( nAuxId, KEY_START_POINT)
   if nPtStartId then EgtErase( nPtStartId) end 
   
   -- Recupero dati tavola (creando gruppo di lavoro temporaneo)
   local nQqqId = EgtAddMachGroup( 'qqq')
   EgtSetTable( 'Tab')
   local b3Tab = EgtGetTableArea()
   dTabX = b3Tab:getDimX()
   dTabY = b3Tab:getDimY()
   EgtRemoveMachGroup( nQqqId or GDB_ID.NULL)
   
   -- Richiedo posizione origine e offset pezzo
   local b3Solid = EgtGetBBoxGlob( nSolidId, GDB_BB.EXACT)
   local b3Part = EgtGetBBoxGlob( nPartId, GDB_BB.EXACT)
   local nRefX = 1
   local nRefY = 1
   local dPosX = b3Tab:getDimX() / 2 - b3Solid:getDimX() / 2
   local dPosY = b3Tab:getDimY() / 2 - b3Solid:getDimY() / 2
   local Positions = EgtDialogBox( 'Part position on table:', { 'Reference', 'CB:Left,Center,Right'},
                                                              { '', 'CB:Bottom,Middle,Top'},
                                                              { 'X', EgtNumToString( EgtToUiUnits( dPosX), 1)},
                                                              { 'Y', EgtNumToString( EgtToUiUnits( dPosY), 1)})
   if not Positions then return end
   dPosX = EgtFromUiUnits( tonumber( Positions[3]))
   dPosY = EgtFromUiUnits( tonumber( Positions[4]))
   if Positions[1] == 'Center' then
      nRefX = 2
      dPosX = dPosX - b3Solid:getDimX() / 2
   elseif Positions[1] == 'Right' then
      nRefX = 3
      dPosX = dPosX - b3Solid:getDimX()
   end
   if Positions[2] == 'Middle' then
      nRefY = 2
      dPosY = dPosY - b3Solid:getDimY() / 2
   elseif Positions[2] == 'Top' then
      nRefY = 3
      dPosY = dPosY - b3Solid:getDimY()
   end

   -- Creo disegno tavola
   local nTabPart = EgtGetFirstNameInGroup( GDB_ID.ROOT, TABLE)
   if not nTabPart then
      -- Disegno tavola
      nTabPart = EgtGroup( GDB_ID.ROOT)
      EgtSetMode( nTabPart, GDB_MD.LOCKED)
      EgtSetLevel( nTabPart, GDB_LV.SYSTEM)
      EgtSetName( nTabPart, TABLE)
      local nTabLayer = EgtGroup( nTabPart)
      EgtSetName( nTabLayer, TABLE)
      local nTabOutlineId = EgtRectangle2P( nTabLayer, Point3d( 0, 0, 0), Point3d( dTabX, dTabY, 0))
      local nTabSurfId = EgtSurfFlatRegion( nTabLayer, nTabOutlineId)
      EgtSetColor( nTabSurfId, 'GRAY')
      EgtSetAlpha( nTabSurfId, 70)
   end

   -- Aggiungo il box del solido
   local nBoxId = EgtSurfTmBBox( nAuxId, b3Solid, false, GDB_RT.GLOB) 

   -- Posiziono il pezzo e aggiorno il suo box
   local vtMove = Point3d( dPosX, dPosY, 0) - b3Solid:getMin()
   EgtMove( nPartId, vtMove)
   b3Solid:move( vtMove)
   b3Part:move( vtMove)

   -- Creo il frame del pezzo
   local ptOrig = b3Solid:getMin()
   if nRefX == 2 then
      ptOrig = ptOrig + b3Solid:getDimX() / 2 * X_AX()
   elseif nRefX == 3 then
      ptOrig = ptOrig + b3Solid:getDimX() * X_AX()
   end
   if nRefY == 2 then
      ptOrig = ptOrig + b3Solid:getDimY() / 2 * Y_AX()
   elseif nRefY == 3 then
      ptOrig = ptOrig + b3Solid:getDimY() * Y_AX()
   end
   local frPart = Frame3d( ptOrig, Z_AX())
   nFrameId = EgtFrame( nAuxId, frPart, GDB_RT.GLOB)
   if nFrameId then
      EgtSetName( nFrameId, FRAME_PART)
      EgtSetMode( nFrameId, GDB_MD.LOCKED)
   end

   -- Definisco e posiziono il grezzo sulla tavola
   EgtAddMachGroup( '3dPrint')
   EgtSetTable( 'Tab')

   local nRawId = EgtAddRawPartWithPart( nPartId, nBoxId, 0,  Color3d( 128, 128, 128, 30)) 
   EgtMoveToCornerRawPart( nRawId, Point3d( dPosX, dPosY, 0), MCH_CR.BL)

   EgtResetCurrMachGroup()

   -- Creo lo start point
   local ptStart = b3Solid:getCenter() - 0.6 * b3Solid:getDimY() * Y_AX() - 0.5 * b3Solid:getDimZ() * Z_AX()
   nPtStartId = EgtPoint( nAuxId, ptStart, GDB_RT.GLOB)
   if nPtStartId then 
      EgtSetName( nPtStartId, START_POINT)
      EgtSetColor( nPtStartId, EgtStdColor( "RED"))
   end

   -- Dichiaro pezzo posizionato
   EgtSetInfo( nPartId, KEY_PART_ON_TABLE, 1)

   -- Deseleziono tutto
   EgtDeselectAll()

   EgtSetView( SCE_VD.ISO_SW, false)
   EgtZoom( SCE_ZM.ALL)

   EgtOutLog( ' +++ RunPartPositioning completed')
end

---------------------------------------------------------------------
return RunPartPositioning