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Add unit tests for ProcessSurfaceWeightsFromRegion and ProcessSurfacePointsFromRegion.

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Signed-off-by: amzn-sj <srikkant@amazon.com>
This commit is contained in:
amzn-sj
2022-01-14 16:40:08 -08:00
parent 641e76eca9
commit 6ac1211ae9
1 changed files with 164 additions and 0 deletions
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Gems/Terrain/Code/Tests/TerrainSystemTest.cpp
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@@ -902,4 +902,168 @@ namespace UnitTest
terrainSystem->ProcessNormalsFromRegion(testRegionBox, stepSize, perPositionCallback, AzFramework::Terrain::TerrainDataRequests::Sampler::BILINEAR);
}
TEST_F(TerrainSystemTest, TerrainProcessSurfaceWeightsFromRegion)
{
const AZ::Aabb spawnerBox = AZ::Aabb::CreateFromMinMaxValues(-10.0f, -10.0f, -5.0f, 10.0f, 10.0f, 15.0f);
auto entity = CreateAndActivateMockTerrainLayerSpawner(
spawnerBox,
[](AZ::Vector3& position, bool& terrainExists)
{
position.SetZ(1.0f);
terrainExists = true;
});
// Create and activate the terrain system with our testing defaults for world bounds, and a query resolution at 1 meter intervals.
const AZ::Vector2 queryResolution(1.0f);
auto terrainSystem = CreateAndActivateTerrainSystem(queryResolution);
const AZ::Aabb testRegionBox = AZ::Aabb::CreateFromMinMaxValues(-3.0f, -3.0f, -1.0f, 3.0f, 3.0f, 1.0f);
const AZ::Vector2 stepSize(1.0f);
const SurfaceData::SurfaceTag tag1 = SurfaceData::SurfaceTag("tag1");
const SurfaceData::SurfaceTag tag2 = SurfaceData::SurfaceTag("tag2");
const SurfaceData::SurfaceTag tag3 = SurfaceData::SurfaceTag("tag3");
AzFramework::SurfaceData::SurfaceTagWeight tagWeight1;
tagWeight1.m_surfaceType = tag1;
tagWeight1.m_weight = 1.0f;
AzFramework::SurfaceData::SurfaceTagWeight tagWeight2;
tagWeight2.m_surfaceType = tag2;
tagWeight2.m_weight = 0.7f;
AzFramework::SurfaceData::SurfaceTagWeight tagWeight3;
tagWeight3.m_surfaceType = tag3;
tagWeight3.m_weight = 0.3f;
NiceMock<UnitTest::MockTerrainAreaSurfaceRequestBus> mockSurfaceRequests(entity->GetId());
ON_CALL(mockSurfaceRequests, GetSurfaceWeights).WillByDefault(
[&tagWeight1, &tagWeight2, &tagWeight3](const AZ::Vector3& position, AzFramework::SurfaceData::SurfaceTagWeightList& surfaceWeights)
{
surfaceWeights.clear();
float absYPos = fabsf(position.GetY());
if (absYPos < 1.0f)
{
surfaceWeights.push_back(tagWeight1);
}
else if(absYPos < 2.0f)
{
surfaceWeights.push_back(tagWeight2);
}
else
{
surfaceWeights.push_back(tagWeight3);
}
}
);
auto perPositionCallback = [&tagWeight1, &tagWeight2, &tagWeight3](size_t xIndex, size_t yIndex,
const AzFramework::SurfaceData::SurfacePoint& surfacePoint, [[maybe_unused]] bool terrainExists)
{
constexpr float epsilon = 0.0001f;
float absYPos = fabsf(surfacePoint.m_position.GetY());
if (absYPos < 1.0f)
{
EXPECT_EQ(surfacePoint.m_surfaceTags[0].m_surfaceType, tagWeight1.m_surfaceType);
EXPECT_NEAR(surfacePoint.m_surfaceTags[0].m_weight, tagWeight1.m_weight, epsilon);
}
else if(absYPos < 2.0f)
{
EXPECT_EQ(surfacePoint.m_surfaceTags[0].m_surfaceType, tagWeight2.m_surfaceType);
EXPECT_NEAR(surfacePoint.m_surfaceTags[0].m_weight, tagWeight2.m_weight, epsilon);
}
else
{
EXPECT_EQ(surfacePoint.m_surfaceTags[0].m_surfaceType, tagWeight3.m_surfaceType);
EXPECT_NEAR(surfacePoint.m_surfaceTags[0].m_weight, tagWeight3.m_weight, epsilon);
}
};
terrainSystem->ProcessSurfaceWeightsFromRegion(testRegionBox, stepSize, perPositionCallback, AzFramework::Terrain::TerrainDataRequests::Sampler::BILINEAR);
}
TEST_F(TerrainSystemTest, TerrainProcessSurfacePointsFromRegion)
{
const AZ::Aabb spawnerBox = AZ::Aabb::CreateFromMinMaxValues(-10.0f, -10.0f, -5.0f, 10.0f, 10.0f, 15.0f);
auto entity = CreateAndActivateMockTerrainLayerSpawner(
spawnerBox,
[](AZ::Vector3& position, bool& terrainExists)
{
position.SetZ(position.GetX() + position.GetY());
terrainExists = true;
});
// Create and activate the terrain system with our testing defaults for world bounds, and a query resolution at 1 meter intervals.
const AZ::Vector2 queryResolution(1.0f);
auto terrainSystem = CreateAndActivateTerrainSystem(queryResolution);
const AZ::Aabb testRegionBox = AZ::Aabb::CreateFromMinMaxValues(-3.0f, -3.0f, -1.0f, 3.0f, 3.0f, 1.0f);
const AZ::Vector2 stepSize(1.0f);
const SurfaceData::SurfaceTag tag1 = SurfaceData::SurfaceTag("tag1");
const SurfaceData::SurfaceTag tag2 = SurfaceData::SurfaceTag("tag2");
const SurfaceData::SurfaceTag tag3 = SurfaceData::SurfaceTag("tag3");
AzFramework::SurfaceData::SurfaceTagWeight tagWeight1;
tagWeight1.m_surfaceType = tag1;
tagWeight1.m_weight = 1.0f;
AzFramework::SurfaceData::SurfaceTagWeight tagWeight2;
tagWeight2.m_surfaceType = tag2;
tagWeight2.m_weight = 0.7f;
AzFramework::SurfaceData::SurfaceTagWeight tagWeight3;
tagWeight3.m_surfaceType = tag3;
tagWeight3.m_weight = 0.3f;
NiceMock<UnitTest::MockTerrainAreaSurfaceRequestBus> mockSurfaceRequests(entity->GetId());
ON_CALL(mockSurfaceRequests, GetSurfaceWeights).WillByDefault(
[&tagWeight1, &tagWeight2, &tagWeight3](const AZ::Vector3& position, AzFramework::SurfaceData::SurfaceTagWeightList& surfaceWeights)
{
surfaceWeights.clear();
float absYPos = fabsf(position.GetY());
if (absYPos < 1.0f)
{
surfaceWeights.push_back(tagWeight1);
}
else if(absYPos < 2.0f)
{
surfaceWeights.push_back(tagWeight2);
}
else
{
surfaceWeights.push_back(tagWeight3);
}
}
);
auto perPositionCallback = [&tagWeight1, &tagWeight2, &tagWeight3](size_t xIndex, size_t yIndex,
const AzFramework::SurfaceData::SurfacePoint& surfacePoint, [[maybe_unused]] bool terrainExists)
{
constexpr float epsilon = 0.0001f;
float expectedHeight = surfacePoint.m_position.GetX() + surfacePoint.m_position.GetY();
EXPECT_NEAR(surfacePoint.m_position.GetZ(), expectedHeight, epsilon);
float absYPos = fabsf(surfacePoint.m_position.GetY());
if (absYPos < 1.0f)
{
EXPECT_EQ(surfacePoint.m_surfaceTags[0].m_surfaceType, tagWeight1.m_surfaceType);
EXPECT_NEAR(surfacePoint.m_surfaceTags[0].m_weight, tagWeight1.m_weight, epsilon);
}
else if(absYPos < 2.0f)
{
EXPECT_EQ(surfacePoint.m_surfaceTags[0].m_surfaceType, tagWeight2.m_surfaceType);
EXPECT_NEAR(surfacePoint.m_surfaceTags[0].m_weight, tagWeight2.m_weight, epsilon);
}
else
{
EXPECT_EQ(surfacePoint.m_surfaceTags[0].m_surfaceType, tagWeight3.m_surfaceType);
EXPECT_NEAR(surfacePoint.m_surfaceTags[0].m_weight, tagWeight3.m_weight, epsilon);
}
};
terrainSystem->ProcessSurfacePointsFromRegion(testRegionBox, stepSize, perPositionCallback, AzFramework::Terrain::TerrainDataRequests::Sampler::EXACT);
}
} // namespace UnitTest