load glossiness from mtl absent of specmap

hw3d/Mesh.cpp

@@ -271,6 +271,7 @@ std::unique_ptr<Mesh> Model::ParseMesh( Graphics& gfx,const aiMesh& mesh,const a
 	std::vector<std::unique_ptr<Bind::Bindable>> bindablePtrs;
 
 	bool hasSpecularMap = false;
+	float shininess = 35.0f;
 	if( mesh.mMaterialIndex >= 0 )
 	{
 		auto& material = *pMaterials[mesh.mMaterialIndex];
@@ -287,6 +288,10 @@ std::unique_ptr<Mesh> Model::ParseMesh( Graphics& gfx,const aiMesh& mesh,const a
 			bindablePtrs.push_back( std::make_unique<Bind::Texture>( gfx,Surface::FromFile( base + texFileName.C_Str() ),1 ) );
 			hasSpecularMap = true;
 		}
+		else
+		{
+			material.Get( AI_MATKEY_SHININESS,shininess );
+		}
 
 		bindablePtrs.push_back( std::make_unique<Bind::Sampler>( gfx ) );
 	}
@@ -312,9 +317,10 @@ std::unique_ptr<Mesh> Model::ParseMesh( Graphics& gfx,const aiMesh& mesh,const a
 		struct PSMaterialConstant
 		{
 			float specularIntensity = 0.8f;
-			float specularPower = 40.0f;
+			float specularPower;
 			float padding[2];
 		} pmc;
+		pmc.specularPower = shininess;
 		bindablePtrs.push_back( std::make_unique<Bind::PixelConstantBuffer<PSMaterialConstant>>( gfx,pmc,1u ) );
 	}