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130 lines
4.7 KiB
C++
130 lines
4.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <Components/TerrainSurfaceGradientListComponent.h>
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#include <Terrain/MockTerrainLayerSpawner.h>
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#include <GradientSignal/Ebuses/MockGradientRequestBus.h>
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using ::testing::NiceMock;
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using ::testing::AtLeast;
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using ::testing::_;
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using ::testing::Return;
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namespace UnitTest
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{
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class TerrainSurfaceGradientListTest : public ::testing::Test
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{
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protected:
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AZ::ComponentApplication m_app;
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AZStd::unique_ptr<AZ::Entity> m_entity;
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UnitTest::MockTerrainLayerSpawnerComponent* m_layerSpawnerComponent = nullptr;
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AZStd::unique_ptr<AZ::Entity> m_gradientEntity1, m_gradientEntity2;
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const AZStd::string surfaceTag1 = "testtag1";
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const AZStd::string surfaceTag2 = "testtag2";
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void SetUp() override
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{
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AZ::ComponentApplication::Descriptor appDesc;
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appDesc.m_memoryBlocksByteSize = 20 * 1024 * 1024;
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appDesc.m_recordingMode = AZ::Debug::AllocationRecords::RECORD_NO_RECORDS;
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appDesc.m_stackRecordLevels = 20;
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m_app.Create(appDesc);
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CreateEntities();
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}
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void TearDown() override
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{
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m_gradientEntity2.reset();
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m_gradientEntity1.reset();
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m_entity.reset();
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m_app.Destroy();
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}
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void CreateEntities()
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{
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m_entity = AZStd::make_unique<AZ::Entity>();
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ASSERT_TRUE(m_entity);
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m_entity->Init();
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m_gradientEntity1 = AZStd::make_unique<AZ::Entity>();
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ASSERT_TRUE(m_gradientEntity1);
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m_gradientEntity1->Init();
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m_gradientEntity2 = AZStd::make_unique<AZ::Entity>();
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ASSERT_TRUE(m_gradientEntity2);
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m_gradientEntity2->Init();
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}
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void AddSurfaceGradientListToEntities()
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{
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m_layerSpawnerComponent = m_entity->CreateComponent<UnitTest::MockTerrainLayerSpawnerComponent>();
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m_app.RegisterComponentDescriptor(m_layerSpawnerComponent->CreateDescriptor());
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Terrain::TerrainSurfaceGradientListConfig config;
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Terrain::TerrainSurfaceGradientMapping mapping1;
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mapping1.m_gradientEntityId = m_gradientEntity1->GetId();
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mapping1.m_surfaceTag = SurfaceData::SurfaceTag(surfaceTag1);
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config.m_gradientSurfaceMappings.emplace_back(mapping1);
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Terrain::TerrainSurfaceGradientMapping mapping2;
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mapping2.m_gradientEntityId = m_gradientEntity2->GetId();
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mapping2.m_surfaceTag = SurfaceData::SurfaceTag(surfaceTag2);
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config.m_gradientSurfaceMappings.emplace_back(mapping2);
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Terrain::TerrainSurfaceGradientListComponent* terrainSurfaceGradientListComponent =
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m_entity->CreateComponent<Terrain::TerrainSurfaceGradientListComponent>(config);
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m_app.RegisterComponentDescriptor(terrainSurfaceGradientListComponent->CreateDescriptor());
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}
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};
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TEST_F(TerrainSurfaceGradientListTest, SurfaceGradientReturnsSurfaceWeightsInOrder)
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{
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// When there is more that one surface/weight defined and added to the component, they should all
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// be returned in descending weight order.
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AddSurfaceGradientListToEntities();
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m_entity->Activate();
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m_gradientEntity1->Activate();
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m_gradientEntity2->Activate();
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const float gradient1Value = 0.3f;
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NiceMock<UnitTest::MockGradientRequests> mockGradientRequests1(m_gradientEntity1->GetId());
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ON_CALL(mockGradientRequests1, GetValue).WillByDefault(Return(gradient1Value));
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const float gradient2Value = 1.0f;
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NiceMock<UnitTest::MockGradientRequests> mockGradientRequests2(m_gradientEntity2->GetId());
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ON_CALL(mockGradientRequests2, GetValue).WillByDefault(Return(gradient2Value));
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AzFramework::SurfaceData::OrderedSurfaceTagWeightSet weightSet;
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Terrain::TerrainAreaSurfaceRequestBus::Event(
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m_entity->GetId(), &Terrain::TerrainAreaSurfaceRequestBus::Events::GetSurfaceWeights, AZ::Vector3::CreateZero(), weightSet);
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AZ::Crc32 expectedCrcList[] = { AZ::Crc32(surfaceTag2), AZ::Crc32(surfaceTag1) };
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const float expectedWeightList[] = { gradient2Value, gradient1Value };
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int index = 0;
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for (const auto& surfaceWeight : weightSet)
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{
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EXPECT_EQ(surfaceWeight.m_surfaceType, expectedCrcList[index]);
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EXPECT_NEAR(surfaceWeight.m_weight, expectedWeightList[index], 0.01f);
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index++;
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}
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}
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} // namespace UnitTest
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