Graphics/Material: Fix reflection mode not being copied

include/Nazara/Graphics/Material.inl

@@ -72,7 +72,8 @@ namespace Nz
 	*/
 	inline Material::Material(const Material& material) :
 	RefCounted(),
-	Resource(material)
+	Resource(material),
+	m_reflectionMode(ReflectionMode_Skybox)
 	{
 		Copy(material);
 	}

src/Nazara/Graphics/Material.cpp

@@ -433,6 +433,8 @@ namespace Nz
 		m_normalMap     = material.m_normalMap;
 		m_specularMap   = material.m_specularMap;
 
+		SetReflectionMode(material.GetReflectionMode());
+
 		InvalidatePipeline();
 	}