From bc0711a5c3c2c9a627834136e10b13a8564c5a00 Mon Sep 17 00:00:00 2001
From: osa <osa@opencascade.com>
Date: Thu, 25 Feb 2021 19:18:12 +0300
Subject: [PATCH] 0032171: Data Exchange - RWGltf_TriangulationReader doesn't
 copy cached bounding box

Save cached bounding box in loaded triangulation getting it from "proxy" late-loaded object.
---
 src/RWGltf/RWGltf_TriangulationReader.cxx | 19 +++++++++++++++++++
 src/RWGltf/RWGltf_TriangulationReader.hxx |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/src/RWGltf/RWGltf_TriangulationReader.cxx b/src/RWGltf/RWGltf_TriangulationReader.cxx
index de4db86d8a..25c75340e3 100644
--- a/src/RWGltf/RWGltf_TriangulationReader.cxx
+++ b/src/RWGltf/RWGltf_TriangulationReader.cxx
@@ -14,6 +14,7 @@
 
 #include <RWGltf_TriangulationReader.hxx>
 
+#include <RWGltf_GltfLatePrimitiveArray.hxx>
 #include <RWMesh_CoordinateSystemConverter.hxx>
 #include <Standard_ReadBuffer.hxx>
 
@@ -85,6 +86,24 @@ Handle(Poly_Triangulation) RWGltf_TriangulationReader::result()
   return myTriangulation;
 }
 
+// =======================================================================
+// function : load
+// purpose  :
+// =======================================================================
+bool RWGltf_TriangulationReader::load (const Handle(RWGltf_GltfLatePrimitiveArray)& theMesh,
+                                       const Handle(OSD_FileSystem)& theFileSystem)
+{
+  if (!RWGltf_PrimitiveArrayReader::load (theMesh, theFileSystem))
+  {
+    return false;
+  }
+  if (!theMesh->CachedMinMax().IsVoid())
+  {
+    myTriangulation->SetCachedMinMax (theMesh->CachedMinMax());
+  }
+  return true;
+}
+
 // =======================================================================
 // function : readBuffer
 // purpose  :
diff --git a/src/RWGltf/RWGltf_TriangulationReader.hxx b/src/RWGltf/RWGltf_TriangulationReader.hxx
index a1680c0129..3237710ace 100644
--- a/src/RWGltf/RWGltf_TriangulationReader.hxx
+++ b/src/RWGltf/RWGltf_TriangulationReader.hxx
@@ -34,6 +34,10 @@ public:
 
 protected:
 
+  //! Load primitive array.
+  Standard_EXPORT virtual bool load (const Handle(RWGltf_GltfLatePrimitiveArray)& theMesh,
+                                     const Handle(OSD_FileSystem)& theFileSystem) Standard_OVERRIDE;
+
   //! Create Poly_Triangulation from collected data
   Standard_EXPORT virtual Handle(Poly_Triangulation) result() Standard_OVERRIDE;