feat: add pbr support

lightkeeper/src/Lightkeeper.cpp

@@ -142,6 +142,33 @@ void LightKeeper::customInit()
     floorRb->SetType(RigidbodyType::Static);
     scene.GetPhysics().RegisterGameObject(*planeObj);
 
+    const auto helmetObj = scene.CreateGameObject("FlightHelmet");
+    helmetObj->GetTransform().SetWorldPosition(glm::vec3(2.f, -1.f, 0.f));
+    helmetObj->GetTransform().SetWorldScale(glm::vec3(2.f));
+
+    const auto helmetModel = AssetManager::GetInstance().LoadModel(
+        "engine://flight-helmet/FlightHelmet.gltf",
+        staticModelOptions);
+    ModelDocUtils::LogModelDocSummary(helmetModel, "FlightHelmet.gltf");
+
+    std::vector<MaterialID> helmetMaterialIDs;
+    for (const auto& material : helmetModel.materials)
+    {
+        helmetMaterialIDs.push_back(resources.addModelMaterial(gfxDevice, material));
+    }
+
+    for (const auto& primitive : helmetModel.primitives)
+    {
+        const auto partObj = scene.CreateGameObject(primitive.nodeName);
+        partObj->GetTransform().SetParent(&helmetObj->GetTransform(), false);
+
+        const auto partMeshComp = partObj->AddComponent<MeshRendererComponent>();
+        partMeshComp->SetMeshID(resources.meshes().addMesh(gfxDevice, primitive.mesh));
+        partMeshComp->SetMaterialID(primitive.materialIndex < helmetMaterialIDs.size()
+                                        ? helmetMaterialIDs[primitive.materialIndex]
+                                        : resources.materials().getPlaceholderMaterialId());
+    }
+
     const auto CharObj = scene.CreateGameObject("Character");
     capybara = CharObj;
 
@@ -504,6 +531,9 @@ void LightKeeper::customInit()
     const auto texPath = AssetFS::GetInstance().GetFullPath("engine://textures/kobe.png");
     texID = resources.loadImageFromFile(gfxDevice, texPath);
 
+
+    
+
 }
 
 void LightKeeper::customUpdate(float dt)