374 lines
16 KiB
C++
374 lines
16 KiB
C++
#include <gtest/gtest.h>
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#include <XCEngine/Core/Asset/AssetDatabase.h>
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#include <XCEngine/Core/Asset/ResourceManager.h>
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#include <XCEngine/Resources/Material/MaterialLoader.h>
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#include <XCEngine/Resources/Mesh/MeshLoader.h>
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#include <XCEngine/Resources/Mesh/MeshImportSettings.h>
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#include <XCEngine/Resources/Material/Material.h>
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#include <XCEngine/Resources/Texture/Texture.h>
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#include <XCEngine/Core/Asset/ResourceTypes.h>
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#include <XCEngine/Core/Containers/Array.h>
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#include <chrono>
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#include <filesystem>
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#include <thread>
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using namespace XCEngine::Resources;
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using namespace XCEngine::Containers;
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namespace {
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std::string GetMeshFixturePath(const char* fileName) {
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return (std::filesystem::path(XCENGINE_TEST_FIXTURES_DIR) / "Resources" / "Mesh" / fileName).string();
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}
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XCEngine::Core::uint32 GetFirstSectionMaterialIndex(const Mesh& mesh) {
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if (mesh.GetSections().Empty()) {
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return 0;
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}
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return mesh.GetSections()[0].materialID;
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}
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Material* GetFirstSectionMaterial(Mesh& mesh) {
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const XCEngine::Core::uint32 materialIndex = GetFirstSectionMaterialIndex(mesh);
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if (materialIndex >= mesh.GetMaterials().Size()) {
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return nullptr;
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}
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return mesh.GetMaterial(materialIndex);
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}
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bool PumpAsyncLoadsUntilIdle(ResourceManager& manager,
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std::chrono::milliseconds timeout = std::chrono::milliseconds(4000)) {
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const auto deadline = std::chrono::steady_clock::now() + timeout;
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while (manager.IsAsyncLoading() && std::chrono::steady_clock::now() < deadline) {
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manager.UpdateAsyncLoads();
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std::this_thread::sleep_for(std::chrono::milliseconds(5));
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}
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manager.UpdateAsyncLoads();
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return !manager.IsAsyncLoading();
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}
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TEST(MeshLoader, GetResourceType) {
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MeshLoader loader;
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EXPECT_EQ(loader.GetResourceType(), ResourceType::Mesh);
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}
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TEST(MeshLoader, GetSupportedExtensions) {
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MeshLoader loader;
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auto extensions = loader.GetSupportedExtensions();
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EXPECT_GE(extensions.Size(), 1u);
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}
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TEST(MeshLoader, CanLoad) {
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MeshLoader loader;
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EXPECT_TRUE(loader.CanLoad("test.obj"));
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EXPECT_TRUE(loader.CanLoad("test.fbx"));
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EXPECT_TRUE(loader.CanLoad("test.gltf"));
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EXPECT_TRUE(loader.CanLoad("test.OBJ"));
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EXPECT_FALSE(loader.CanLoad("test.txt"));
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EXPECT_FALSE(loader.CanLoad("test.png"));
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}
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TEST(MeshLoader, LoadInvalidPath) {
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MeshLoader loader;
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LoadResult result = loader.Load("invalid/path/mesh.obj");
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EXPECT_FALSE(result);
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}
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TEST(MeshLoader, ResourceManagerRegistersMeshAndTextureLoaders) {
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ResourceManager& manager = ResourceManager::Get();
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manager.Initialize();
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EXPECT_NE(manager.GetLoader(ResourceType::Mesh), nullptr);
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EXPECT_NE(manager.GetLoader(ResourceType::Texture), nullptr);
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manager.Shutdown();
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}
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TEST(MeshLoader, LoadValidObjMesh) {
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MeshLoader loader;
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const std::string path = GetMeshFixturePath("triangle.obj");
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LoadResult result = loader.Load(path.c_str());
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ASSERT_TRUE(result);
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ASSERT_NE(result.resource, nullptr);
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auto* mesh = static_cast<Mesh*>(result.resource);
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EXPECT_EQ(mesh->GetVertexCount(), 3u);
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EXPECT_EQ(mesh->GetIndexCount(), 3u);
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EXPECT_EQ(mesh->GetVertexStride(), sizeof(StaticMeshVertex));
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EXPECT_FALSE(mesh->IsUse32BitIndex());
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ASSERT_EQ(mesh->GetSections().Size(), 1u);
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EXPECT_EQ(mesh->GetSections()[0].vertexCount, 3u);
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EXPECT_EQ(mesh->GetSections()[0].indexCount, 3u);
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EXPECT_TRUE(HasVertexAttribute(mesh->GetVertexAttributes(), VertexAttribute::Position));
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EXPECT_TRUE(HasVertexAttribute(mesh->GetVertexAttributes(), VertexAttribute::Normal));
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EXPECT_TRUE(HasVertexAttribute(mesh->GetVertexAttributes(), VertexAttribute::UV0));
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EXPECT_EQ(mesh->GetBounds().GetMin(), XCEngine::Math::Vector3(0.0f, 0.0f, -1.0f));
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EXPECT_EQ(mesh->GetBounds().GetMax(), XCEngine::Math::Vector3(1.0f, 1.0f, -1.0f));
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EXPECT_EQ(mesh->GetSections()[0].bounds.GetMin(), XCEngine::Math::Vector3(0.0f, 0.0f, -1.0f));
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EXPECT_EQ(mesh->GetSections()[0].bounds.GetMax(), XCEngine::Math::Vector3(1.0f, 1.0f, -1.0f));
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const auto* vertices = static_cast<const StaticMeshVertex*>(mesh->GetVertexData());
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ASSERT_NE(vertices, nullptr);
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EXPECT_FLOAT_EQ(vertices[0].position.x, 0.0f);
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EXPECT_FLOAT_EQ(vertices[0].position.y, 0.0f);
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EXPECT_FLOAT_EQ(vertices[0].position.z, -1.0f);
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EXPECT_FLOAT_EQ(vertices[0].normal.z, -1.0f);
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EXPECT_FLOAT_EQ(vertices[1].uv0.x, 1.0f);
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EXPECT_FLOAT_EQ(vertices[2].uv0.y, 1.0f);
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delete mesh;
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}
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TEST(MeshLoader, GeneratesNormalsAndTangentsWhenRequested) {
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MeshLoader loader;
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MeshImportSettings settings;
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settings.AddImportFlag(MeshImportFlags::GenerateNormals);
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settings.AddImportFlag(MeshImportFlags::GenerateTangents);
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const std::string path = GetMeshFixturePath("triangle_no_normals.obj");
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LoadResult result = loader.Load(path.c_str(), &settings);
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ASSERT_TRUE(result);
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ASSERT_NE(result.resource, nullptr);
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auto* mesh = static_cast<Mesh*>(result.resource);
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EXPECT_TRUE(HasVertexAttribute(mesh->GetVertexAttributes(), VertexAttribute::Normal));
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EXPECT_TRUE(HasVertexAttribute(mesh->GetVertexAttributes(), VertexAttribute::Tangent));
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EXPECT_TRUE(HasVertexAttribute(mesh->GetVertexAttributes(), VertexAttribute::Bitangent));
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const auto* vertices = static_cast<const StaticMeshVertex*>(mesh->GetVertexData());
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ASSERT_NE(vertices, nullptr);
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EXPECT_GT(vertices[0].normal.Magnitude(), 0.0f);
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EXPECT_GT(vertices[0].tangent.Magnitude(), 0.0f);
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EXPECT_GT(vertices[0].bitangent.Magnitude(), 0.0f);
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delete mesh;
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}
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TEST(MeshLoader, ImportsMaterialTexturesFromObj) {
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MeshLoader loader;
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const std::string path = GetMeshFixturePath("textured_triangle.obj");
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LoadResult result = loader.Load(path.c_str());
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ASSERT_TRUE(result);
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ASSERT_NE(result.resource, nullptr);
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auto* mesh = static_cast<Mesh*>(result.resource);
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ASSERT_EQ(mesh->GetSections().Size(), 1u);
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ASSERT_GE(mesh->GetMaterials().Size(), 1u);
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EXPECT_LT(mesh->GetSections()[0].materialID, mesh->GetMaterials().Size());
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Material* material = mesh->GetMaterial(mesh->GetSections()[0].materialID);
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ASSERT_NE(material, nullptr);
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EXPECT_TRUE(material->HasProperty("baseColorTexture"));
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EXPECT_EQ(material->GetTextureBindingCount(), 1u);
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ResourceHandle<Texture> diffuseTexture = material->GetTexture("baseColorTexture");
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ASSERT_TRUE(diffuseTexture.IsValid());
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EXPECT_EQ(diffuseTexture->GetWidth(), 2u);
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EXPECT_EQ(diffuseTexture->GetHeight(), 2u);
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EXPECT_EQ(diffuseTexture->GetPixelDataSize(), 16u);
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EXPECT_EQ(mesh->GetTextures().Size(), 1u);
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delete mesh;
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}
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TEST(MeshLoader, AssetDatabaseCreatesModelArtifactAndReusesItWithoutReimport) {
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namespace fs = std::filesystem;
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using namespace std::chrono_literals;
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ResourceManager& manager = ResourceManager::Get();
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manager.Initialize();
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const fs::path projectRoot = fs::temp_directory_path() / "xc_mesh_library_cache_test";
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const fs::path assetsDir = projectRoot / "Assets";
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fs::remove_all(projectRoot);
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fs::create_directories(assetsDir);
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fs::copy_file(GetMeshFixturePath("textured_triangle.obj"),
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assetsDir / "textured_triangle.obj",
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fs::copy_options::overwrite_existing);
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fs::copy_file(GetMeshFixturePath("textured_triangle.mtl"),
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assetsDir / "textured_triangle.mtl",
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fs::copy_options::overwrite_existing);
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fs::copy_file(GetMeshFixturePath("checker.bmp"),
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assetsDir / "checker.bmp",
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fs::copy_options::overwrite_existing);
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MeshLoader sourceMeshLoader;
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LoadResult sourceMeshResult =
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sourceMeshLoader.Load((assetsDir / "textured_triangle.obj").string().c_str());
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ASSERT_TRUE(sourceMeshResult);
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ASSERT_NE(sourceMeshResult.resource, nullptr);
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auto* sourceMesh = static_cast<Mesh*>(sourceMeshResult.resource);
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ASSERT_NE(sourceMesh, nullptr);
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ASSERT_GE(sourceMesh->GetMaterials().Size(), 1u);
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Material* sourceSectionMaterial = GetFirstSectionMaterial(*sourceMesh);
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ASSERT_NE(sourceSectionMaterial, nullptr);
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const XCEngine::Core::uint32 sourceMaterialIndex = GetFirstSectionMaterialIndex(*sourceMesh);
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EXPECT_EQ(sourceSectionMaterial->GetTextureBindingCount(), 1u);
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EXPECT_EQ(sourceSectionMaterial->GetTextureBindingName(0), "baseColorTexture");
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EXPECT_FALSE(sourceSectionMaterial->GetTextureBindingPath(0).Empty());
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delete sourceMesh;
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AssetDatabase database;
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database.Initialize(projectRoot.string().c_str());
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AssetDatabase::ResolvedAsset firstResolve;
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ASSERT_TRUE(database.EnsureArtifact("Assets/textured_triangle.obj", ResourceType::Mesh, firstResolve));
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ASSERT_TRUE(firstResolve.exists);
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ASSERT_TRUE(firstResolve.artifactReady);
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EXPECT_TRUE(fs::exists(projectRoot / "Assets" / "textured_triangle.obj.meta"));
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EXPECT_TRUE(fs::exists(projectRoot / "Library" / "SourceAssetDB" / "assets.db"));
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EXPECT_TRUE(fs::exists(projectRoot / "Library" / "ArtifactDB" / "artifacts.db"));
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EXPECT_TRUE(fs::exists(firstResolve.artifactMainPath.CStr()));
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EXPECT_TRUE(fs::exists((fs::path(firstResolve.artifactDirectory.CStr()) /
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("material_" + std::to_string(sourceMaterialIndex) + ".xcmat"))));
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EXPECT_TRUE(fs::exists((fs::path(firstResolve.artifactDirectory.CStr()) / "texture_0.xctex")));
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MaterialLoader materialLoader;
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LoadResult materialArtifactResult =
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materialLoader.Load((fs::path(firstResolve.artifactDirectory.CStr()) /
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("material_" + std::to_string(sourceMaterialIndex) + ".xcmat")).string().c_str());
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ASSERT_TRUE(materialArtifactResult);
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ASSERT_NE(materialArtifactResult.resource, nullptr);
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auto* artifactMaterial = static_cast<Material*>(materialArtifactResult.resource);
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ASSERT_NE(artifactMaterial, nullptr);
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EXPECT_EQ(artifactMaterial->GetTextureBindingCount(), 1u);
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EXPECT_EQ(artifactMaterial->GetTextureBindingName(0), "baseColorTexture");
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EXPECT_FALSE(artifactMaterial->GetTextureBindingPath(0).Empty());
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const ResourceHandle<Texture> artifactLazyTexture = artifactMaterial->GetTexture("baseColorTexture");
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EXPECT_FALSE(artifactLazyTexture.IsValid());
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EXPECT_GT(manager.GetAsyncPendingCount(), 0u);
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ASSERT_TRUE(PumpAsyncLoadsUntilIdle(manager));
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const ResourceHandle<Texture> artifactResolvedTexture = artifactMaterial->GetTexture("baseColorTexture");
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ASSERT_TRUE(artifactResolvedTexture.IsValid());
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EXPECT_EQ(artifactResolvedTexture->GetWidth(), 2u);
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EXPECT_EQ(artifactResolvedTexture->GetHeight(), 2u);
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delete artifactMaterial;
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MeshLoader meshLoader;
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LoadResult meshArtifactResult = meshLoader.Load(firstResolve.artifactMainPath.CStr());
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ASSERT_TRUE(meshArtifactResult);
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ASSERT_NE(meshArtifactResult.resource, nullptr);
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auto* artifactMesh = static_cast<Mesh*>(meshArtifactResult.resource);
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ASSERT_NE(artifactMesh, nullptr);
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ASSERT_GE(artifactMesh->GetMaterials().Size(), 1u);
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Material* artifactSectionMaterial = GetFirstSectionMaterial(*artifactMesh);
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ASSERT_NE(artifactSectionMaterial, nullptr);
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EXPECT_EQ(artifactSectionMaterial->GetTextureBindingCount(), 1u);
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EXPECT_EQ(artifactSectionMaterial->GetTextureBindingName(0), "baseColorTexture");
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EXPECT_FALSE(artifactSectionMaterial->GetTextureBindingPath(0).Empty());
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const ResourceHandle<Texture> artifactMeshLazyTexture = artifactSectionMaterial->GetTexture("baseColorTexture");
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EXPECT_FALSE(artifactMeshLazyTexture.IsValid());
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EXPECT_GT(manager.GetAsyncPendingCount(), 0u);
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ASSERT_TRUE(PumpAsyncLoadsUntilIdle(manager));
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const ResourceHandle<Texture> artifactMeshResolvedTexture =
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artifactSectionMaterial->GetTexture("baseColorTexture");
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ASSERT_TRUE(artifactMeshResolvedTexture.IsValid());
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EXPECT_EQ(artifactMeshResolvedTexture->GetWidth(), 2u);
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EXPECT_EQ(artifactMeshResolvedTexture->GetHeight(), 2u);
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delete artifactMesh;
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AssetRef assetRef;
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ASSERT_TRUE(database.TryGetAssetRef("Assets/textured_triangle.obj", ResourceType::Mesh, assetRef));
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EXPECT_TRUE(assetRef.IsValid());
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const auto originalArtifactWriteTime = fs::last_write_time(firstResolve.artifactMainPath.CStr());
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std::this_thread::sleep_for(50ms);
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AssetDatabase::ResolvedAsset secondResolve;
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ASSERT_TRUE(database.EnsureArtifact("Assets/textured_triangle.obj", ResourceType::Mesh, secondResolve));
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EXPECT_EQ(firstResolve.artifactMainPath, secondResolve.artifactMainPath);
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EXPECT_EQ(originalArtifactWriteTime, fs::last_write_time(secondResolve.artifactMainPath.CStr()));
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database.Shutdown();
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manager.Shutdown();
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fs::remove_all(projectRoot);
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}
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TEST(MeshLoader, ResourceManagerLoadsModelByAssetRefFromProjectAssets) {
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namespace fs = std::filesystem;
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ResourceManager& manager = ResourceManager::Get();
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manager.Initialize();
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const fs::path projectRoot = fs::temp_directory_path() / "xc_mesh_asset_ref_test";
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const fs::path assetsDir = projectRoot / "Assets";
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fs::remove_all(projectRoot);
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fs::create_directories(assetsDir);
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fs::copy_file(GetMeshFixturePath("textured_triangle.obj"),
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assetsDir / "textured_triangle.obj",
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fs::copy_options::overwrite_existing);
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fs::copy_file(GetMeshFixturePath("textured_triangle.mtl"),
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assetsDir / "textured_triangle.mtl",
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fs::copy_options::overwrite_existing);
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fs::copy_file(GetMeshFixturePath("checker.bmp"),
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assetsDir / "checker.bmp",
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fs::copy_options::overwrite_existing);
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manager.SetResourceRoot(projectRoot.string().c_str());
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const auto firstHandle = manager.Load<Mesh>("Assets/textured_triangle.obj");
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ASSERT_TRUE(firstHandle.IsValid());
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EXPECT_EQ(firstHandle->GetVertexCount(), 3u);
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EXPECT_EQ(firstHandle->GetIndexCount(), 3u);
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EXPECT_GE(firstHandle->GetMaterials().Size(), 1u);
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EXPECT_EQ(firstHandle->GetTextures().Size(), 0u);
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const auto initialMaterialCount = firstHandle->GetMaterials().Size();
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const XCEngine::Core::uint32 firstSectionMaterialIndex = GetFirstSectionMaterialIndex(*firstHandle.Get());
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EXPECT_LT(firstSectionMaterialIndex, initialMaterialCount);
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Material* firstMaterial = GetFirstSectionMaterial(*firstHandle.Get());
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ASSERT_NE(firstMaterial, nullptr);
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EXPECT_EQ(firstMaterial->GetTextureBindingCount(), 1u);
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EXPECT_EQ(firstMaterial->GetTextureBindingName(0), "baseColorTexture");
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EXPECT_FALSE(firstMaterial->GetTextureBindingPath(0).Empty());
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const ResourceHandle<Texture> firstLazyTexture = firstMaterial->GetTexture("baseColorTexture");
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EXPECT_FALSE(firstLazyTexture.IsValid());
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EXPECT_GT(manager.GetAsyncPendingCount(), 0u);
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ASSERT_TRUE(PumpAsyncLoadsUntilIdle(manager));
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const ResourceHandle<Texture> firstResolvedTexture = firstMaterial->GetTexture("baseColorTexture");
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ASSERT_TRUE(firstResolvedTexture.IsValid());
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EXPECT_EQ(firstResolvedTexture->GetWidth(), 2u);
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EXPECT_EQ(firstResolvedTexture->GetHeight(), 2u);
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AssetRef assetRef;
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ASSERT_TRUE(manager.TryGetAssetRef("Assets/textured_triangle.obj", ResourceType::Mesh, assetRef));
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EXPECT_TRUE(assetRef.IsValid());
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manager.UnloadAll();
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const auto secondHandle = manager.Load<Mesh>(assetRef);
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ASSERT_TRUE(secondHandle.IsValid());
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EXPECT_EQ(secondHandle->GetPath(), "Assets/textured_triangle.obj");
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EXPECT_EQ(secondHandle->GetVertexCount(), 3u);
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EXPECT_EQ(secondHandle->GetIndexCount(), 3u);
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EXPECT_EQ(secondHandle->GetMaterials().Size(), initialMaterialCount);
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EXPECT_EQ(secondHandle->GetTextures().Size(), 0u);
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EXPECT_EQ(GetFirstSectionMaterialIndex(*secondHandle.Get()), firstSectionMaterialIndex);
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Material* secondMaterial = GetFirstSectionMaterial(*secondHandle.Get());
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ASSERT_NE(secondMaterial, nullptr);
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EXPECT_EQ(secondMaterial->GetTextureBindingCount(), 1u);
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EXPECT_EQ(secondMaterial->GetTextureBindingName(0), "baseColorTexture");
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EXPECT_FALSE(secondMaterial->GetTextureBindingPath(0).Empty());
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const ResourceHandle<Texture> secondLazyTexture = secondMaterial->GetTexture("baseColorTexture");
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EXPECT_FALSE(secondLazyTexture.IsValid());
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EXPECT_GT(manager.GetAsyncPendingCount(), 0u);
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ASSERT_TRUE(PumpAsyncLoadsUntilIdle(manager));
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const ResourceHandle<Texture> secondResolvedTexture = secondMaterial->GetTexture("baseColorTexture");
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ASSERT_TRUE(secondResolvedTexture.IsValid());
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EXPECT_EQ(secondResolvedTexture->GetWidth(), 2u);
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EXPECT_EQ(secondResolvedTexture->GetHeight(), 2u);
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manager.SetResourceRoot("");
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manager.Shutdown();
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fs::remove_all(projectRoot);
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}
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} // namespace
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