From 31be25313a287ba536cf718aaa8cbfd05e3373cd Mon Sep 17 00:00:00 2001
From: SaraP <sara.perdoncin@egalware.com>
Date: Wed, 6 May 2026 14:39:59 +0200
Subject: [PATCH] 3dPrinting : - corretto errore calcolo lead in nel caso di
 primi layers mancanti.

---
 LuaLibs/CalcToolPath.lua | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/LuaLibs/CalcToolPath.lua b/LuaLibs/CalcToolPath.lua
index 0c729a7..60790f6 100644
--- a/LuaLibs/CalcToolPath.lua
+++ b/LuaLibs/CalcToolPath.lua
@@ -3016,7 +3016,7 @@ function CalcToolPath.Exec( nPartId)
    -- recupero i parametri per calcolo dei toolpath
    local LayerParams = GetLayerParamsForToolPathCalc()
    local nSlicingType = EgtGetInfo( s_nPartId, KEY_SLICING_TYPE, 'i')
-   local nFirstSolidLay = EgtGetInfo( s_nPartId, KEY_FIRST_SOLID_LAY, 'i')
+   local bFirst = true
    
    -- caso spiral vase
    if LayerParams.bSpiralVase then
@@ -3077,8 +3077,8 @@ function CalcToolPath.Exec( nPartId)
 
             -- shell
             if LayerParams.vPrintOrder[j] == PRINT_ELEMENT.SHELL then
-               CalcShellsToolPath( vShellIds, nTpathGrpId, nIdx == nFirstSolidLay, LayerParams)
-            
+               CalcShellsToolPath( vShellIds, nTpathGrpId, bFirst, LayerParams)
+               
             -- extra shell
             elseif LayerParams.vPrintOrder[j] == PRINT_ELEMENT.EXTRA_SHELL then
                CalcExtraShellToolPath( vExtraShellIds, nTpathGrpId, LayerParams)
@@ -3122,6 +3122,10 @@ function CalcToolPath.Exec( nPartId)
             end
          end
          
+         if bFirst and EgtGetGroupObjs( nTpathGrpId) > 0 then
+            bFirst = false
+         end
+         
          -- passo al gruppo di contorni successivo
          nCrvGrpId = EgtGetNextName( nCrvGrpId, CONTOUR_GRP.."*")
       end