From b8299df2471bfe622947fce6d7d93dfb63293573 Mon Sep 17 00:00:00 2001
From: "luca.mazzoleni" <luca.mazzoleni@egalware.com>
Date: Wed, 13 May 2026 18:42:01 +0200
Subject: [PATCH] - in BeamExec.ProcessAlternatives si passano correttamente le
 info a interfaccia da scrivere sul pezzo - in BeamLib aggiunta funzione
 ConvertBitIndexToRotationIndex per convertire da BitIndex a RotationIndex

---
 LuaLibs/BeamExec.lua | 46 ++++++++++++++++++--------------------------
 LuaLibs/BeamLib.lua  | 25 ++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 27 deletions(-)

diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index eff1648..bc1b157 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -2121,8 +2121,8 @@ end
 function BeamExec.ProcessAlternatives( PARTS)
 
    -- inizializzazione variabili globali per interfaccia
-   BEAM.ALTERNATIVESNEST2D = ''
-   BEAM.ALTERNATIVES = ''
+   local Alternatives = {}
+   local AlternativesNest2D = {}
 
    -- ciclo sui pezzi
    local BestCombination = {}
@@ -2451,23 +2451,14 @@ function BeamExec.ProcessAlternatives( PARTS)
          local bApplOk, _, _ = EgtApplyAllMachinings()
          -- se non ci sono errori, soluzione alternativa valida: scrittura variabili globali per interfaccia
          if bApplOk then
-            local Alternatives = {}
             local sBitIndexCombinationWithInvert = BestCombination.sBitIndexCombination .. EgtIf( BestCombination.bPartInCombiIsInverted, '_INV', '')
             if TotalCombiToTest[z].bIsNesting2D then
-               if BEAM.ALTERNATIVESNEST2D and BEAM.ALTERNATIVESNEST2D ~= "" then
-                  table.insert( Alternatives, BEAM.ALTERNATIVESNEST2D)
-               end
-               table.insert( Alternatives, sBitIndexCombinationWithInvert)
-               BEAM.ALTERNATIVESNEST2D = table.concat( Alternatives, ', ')
+               table.insert( AlternativesNest2D, sBitIndexCombinationWithInvert)
             else
-               if BEAM.ALTERNATIVES and BEAM.ALTERNATIVES ~= "" then
-                  table.insert( Alternatives, BEAM.ALTERNATIVES)
-               end
                table.insert( Alternatives, sBitIndexCombinationWithInvert)
-               BEAM.ALTERNATIVES = table.concat( Alternatives, ', ')
             end
          end
-         -- se ultima combinazione, si esce e non si riporta in posizione inizale. Verrà infatti cancellata
+         -- se ultima combinazione, si esce e non si riporta in posizione iniziale. Verrà infatti cancellata
          if z == #TotalCombiToTest then break end
 
          -- si riporta pezzo in posizione iniziale
@@ -2481,21 +2472,22 @@ function BeamExec.ProcessAlternatives( PARTS)
 
    end
 
+   -- passaggio info a interfaccia da scrivere sul pezzo
+   BEAM.INFONGEPART = {}
+   for i = 1, #AlternativesNest2D do
+      local sRotation = BeamLib.ConvertBitIndexToRotationIndex( AlternativesNest2D[i])
+      if PARTS[nPart].HeadcutInfo then
+         local sOffsetX = table.concat( PARTS[nPart].HeadcutInfo[sRotation].OffsetX, ',')
+         local sVtN = ( tostring( PARTS[nPart].HeadcutInfo[sRotation].vtN)):gsub("^%(", ""):gsub("%)$", "")
+         table.insert( BEAM.INFONGEPART, 'ALT' .. AlternativesNest2D[i].. '_H' .. '=' .. sOffsetX .. ';' .. sVtN )
+      end
+      if PARTS[nPart].TailcutInfo then
+         local sOffsetX = table.concat( PARTS[nPart].TailcutInfo[sRotation].OffsetX, ',')
+         local sVtN = ( tostring( PARTS[nPart].TailcutInfo[sRotation].vtN)):gsub("^%(", ""):gsub("%)$", "")
+         table.insert( BEAM.INFONGEPART, 'ALT' .. AlternativesNest2D[i] .. '_T' .. '=' .. sOffsetX .. ';' .. sVtN)
+      end
+   end
 
-
-
-   -- TEST
-   BEAM.INFONGEPART = { 'TEST=666,999,666,999', 'TEST2=44444444444', 'TEST3=sksksk'}
-   
-   -- local sHeadVtN = ( tostring( HeadProc.Faces[1].vtN)):gsub("^%(", ""):gsub("%)$", "")
-   -- local sTailVtN = ( tostring( TailProc.Faces[1].vtN)):gsub("^%(", ""):gsub("%)$", "")
-   -- TEST
-
-
-
-
-
-   
    -- si cancella eventuale mach group creato per le alternative
     EgtRemoveMachGroup( nTempMachGroupName)
 
diff --git a/LuaLibs/BeamLib.lua b/LuaLibs/BeamLib.lua
index d9fe22a..7bfeb80 100644
--- a/LuaLibs/BeamLib.lua
+++ b/LuaLibs/BeamLib.lua
@@ -889,6 +889,31 @@ function BeamLib.CalculateStringBinaryFormat( dNumber, CharNumber)
    return NumberString
 end
 
+-------------------------------------------------------------------------------------------------------------
+function BeamLib.ConvertBitIndexToRotationIndex( sBitIndexCombination)
+   local nRotationIndex
+
+   if sBitIndexCombination == '1000' then
+      return 1
+   elseif sBitIndexCombination == '0100' then
+      return 2
+   elseif sBitIndexCombination == '0010' then
+      return 3
+   elseif sBitIndexCombination == '0001' then
+      return 4
+   elseif sBitIndexCombination == '1000_INV' then
+      return 5
+   elseif sBitIndexCombination == '0100_INV' then
+      return 6
+   elseif sBitIndexCombination == '0010_INV' then
+      return 7
+   elseif sBitIndexCombination == '0001_INV' then
+      return 8
+   end
+
+   return nRotationIndex
+end
+
 -------------------------------------------------------------------------------------------------------------
 -- reindicizza una tabella passata ripartendo dall'indice nStartIndex e mantenendo l'ordine
 function BeamLib.RotateTableFromIndex( Table, nStartIndex)