From 37ff2e7f4c8be3c5d5499ddb55765679e015c45d Mon Sep 17 00:00:00 2001
From: "luca.mazzoleni" <luca.mazzoleni@egalware.com>
Date: Thu, 16 Jul 2026 17:07:28 +0200
Subject: [PATCH] - in BeamExec.ProcessAlternatives si azzerano le alternative
 non usate

---
 LuaLibs/BeamExec.lua | 46 ++++++++++++++++++++++++++++++++++----------
 1 file changed, 36 insertions(+), 10 deletions(-)

diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index f352374..ad16fd4 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -2642,17 +2642,43 @@ function BeamExec.ProcessAlternatives( PARTS)
    end
 
    -- passaggio info a interfaccia da scrivere sul pezzo
-   BEAM.INFONGEPART = {}
-   for i = 1, #AlternativesNest2D do
-      if PARTS[nPart].HeadcutInfo then
-         local sOffsetX = table.concat( PARTS[nPart].HeadcutInfo[AlternativesNest2D[i]].OffsetX, ',')
-         local sVtN = ( tostring( PARTS[nPart].HeadcutInfo[AlternativesNest2D[i]].vtN)):gsub("^%(", ""):gsub("%)$", "")
-         table.insert( BEAM.INFONGEPART, 'ALT' .. AlternativesNest2D[i].. '_H' .. '=' .. sOffsetX .. ';' .. sVtN )
+   local function IsStateInAlternativesNest2D( sState)
+      for _, v in ipairs( AlternativesNest2D) do
+         if v == sState then
+            return true
+         end
       end
-      if PARTS[nPart].TailcutInfo then
-         local sOffsetX = table.concat( PARTS[nPart].TailcutInfo[AlternativesNest2D[i]].OffsetX, ',')
-         local sVtN = ( tostring( PARTS[nPart].TailcutInfo[AlternativesNest2D[i]].vtN)):gsub("^%(", ""):gsub("%)$", "")
-         table.insert( BEAM.INFONGEPART, 'ALT' .. AlternativesNest2D[i] .. '_T' .. '=' .. sOffsetX .. ';' .. sVtN)
+      return false
+   end
+   BEAM.INFONGEPART = {}
+   local States = {
+      "1000",
+      "0100",
+      "0010",
+      "0001",
+      "1000_INV",
+      "0100_INV",
+      "0010_INV",
+      "0001_INV",
+   }
+   for i = 1, #States do
+      local sState = States[i]
+      if IsStateInAlternativesNest2D( sState) then
+         if PARTS[nPart].HeadcutInfo then
+            local HeadcutInfo = PARTS[nPart].HeadcutInfo[sState]
+            local sOffsetX = table.concat( HeadcutInfo.OffsetX, ',')
+            local sVtN = ( tostring( HeadcutInfo.vtN)):gsub("^%(", ""):gsub("%)$", "")
+            table.insert( BEAM.INFONGEPART, 'ALT' .. sState.. '_H' .. '=' .. sOffsetX .. ';' .. sVtN )
+         end
+         if PARTS[nPart].TailcutInfo then
+            local TailCutInfo = PARTS[nPart].TailcutInfo[sState]
+            local sOffsetX = table.concat( TailCutInfo.OffsetX, ',')
+            local sVtN = ( tostring( TailCutInfo.vtN)):gsub("^%(", ""):gsub("%)$", "")
+            table.insert( BEAM.INFONGEPART, 'ALT' .. sState .. '_T' .. '=' .. sOffsetX .. ';' .. sVtN)
+         end
+      else
+         table.insert( BEAM.INFONGEPART, 'ALT' .. sState.. '_H' .. '= ')
+         table.insert( BEAM.INFONGEPART, 'ALT' .. sState.. '_T' .. '= ')
       end
    end