From eaa964eca25904fbaea8ab85b8ae5c1e1fb008bd Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.sassi@egalware.com>
Date: Tue, 12 Sep 2023 16:02:03 +0200
Subject: [PATCH] EgtGraphics : - in visualizzazione Zmap si verifica se
 single-dexel o tri-dexel per normale singola o tripla ai triangoli.

---
 SceneGeom.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/SceneGeom.cpp b/SceneGeom.cpp
index f5df0ba..623e217 100644
--- a/SceneGeom.cpp
+++ b/SceneGeom.cpp
@@ -465,6 +465,8 @@ Scene::DrawGeoObj( const IGdbIterator& iIter, int nPass, const MdStMkCol& siObj)
          int nCount = 0 ;
         // numero di colori
          const int ZMAP_COL = 2 ;
+        // indicazione se tridexel
+         bool bIsTriDexel = pZmap->IsTriDexel() ;
         // se triangoli da disegnare
          if ( ( m_nShowZmap & ZSM_SURF) != 0) {
            // definizione materiali
@@ -524,7 +526,7 @@ Scene::DrawGeoObj( const IGdbIterator& iIter, int nPass, const MdStMkCol& siObj)
                   for ( const auto& Tria : vTria) {
                      if ( ( j == 0  &&  Tria.GetGrade() != 0)  ||  ( j == 1  &&  Tria.GetGrade() == 0))
                         continue ;
-                     if ( m_bShowTriaAdvanced)
+                     if ( m_bShowTriaAdvanced  &&  bIsTriDexel)
                         pGraphics->AddTriangle( Tria, Tria.GetTriFlags(), Tria.GetTriNormals()) ;
                      else
                         pGraphics->AddTriangle( Tria, TriFlags3d(), TriNormals3d( Tria.GetN())) ;