Fixed warnings

src/osgPlugins/OpenFlight/FltExportVisitor.h

@@ -238,6 +238,11 @@ struct IdHelper
     flt::FltExportVisitor&  v_;
     const std::string        id_;
     DataOutputStream* dos_;
+
+protected:
+
+    IdHelper& operator = (const IdHelper&) { return *this; }
+
 };
 
 
@@ -262,6 +267,10 @@ struct SubfaceHelper
 
     flt::FltExportVisitor&  v_;
     bool _polygonOffsetOn;
+
+protected:
+
+    SubfaceHelper& operator = (const SubfaceHelper&) { return *this; }
 };
 
 }

src/osgPlugins/OpenFlight/LightSourcePaletteManager.h

@@ -66,6 +66,10 @@ class LightSourcePaletteManager
 
 
     ExportOptions& _fltOpt;
+
+protected:
+
+    LightSourcePaletteManager& operator = (const LightSourcePaletteManager&) { return *this; }
 };
 
 

src/osgPlugins/OpenFlight/MaterialPaletteManager.h

@@ -64,6 +64,10 @@ class MaterialPaletteManager
     MaterialPalette _materialPalette;
 
     ExportOptions& _fltOpt;
+
+protected:
+
+    MaterialPaletteManager& operator = (const MaterialPaletteManager&) { return *this; }
 };
 
 

src/osgPlugins/OpenFlight/TexturePaletteManager.h

@@ -46,6 +46,8 @@ public:
 
 protected:
 
+    TexturePaletteManager& operator = (const TexturePaletteManager&) { return *this; }
+
     int _currIndex;
 
     typedef std::map< const osg::Texture2D*, int > TextureIndexMap;
@@ -54,6 +56,7 @@ protected:
     const FltExportVisitor& _nv;
 
     const ExportOptions& _fltOpt;
+
 };