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Code/Tools/SceneAPI/SceneData/Tests/GraphData/MeshDataPrimitiveUtilsTests.cpp

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+#include <memory>
+#include <AzTest/AzTest.h>
+#include <SceneAPI/SceneCore/DataTypes/GraphData/IMeshData.h>
+#include <SceneAPI/SceneData/GraphData/MeshDataPrimitiveUtils.h>
+
+#include <SceneAPI/SceneData/GraphData/MeshData.h>
+#include <float.h>
+
+namespace AZ
+{
+    namespace SceneData
+    {
+        // ===================================================
+        // == MeshDataPrimitiveUtilTests                    ==
+        // ===================================================
+
+        bool FaceWindingPointsDirection(const AZ::SceneAPI::DataTypes::IMeshData::Face& face, const std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData>& mesh, const AZ::Vector3 expectedNormal)
+        {
+            AZ::Vector3 v0 = mesh->GetPosition(face.vertexIndex[0]);
+            AZ::Vector3 v1 = mesh->GetPosition(face.vertexIndex[1]);
+            AZ::Vector3 v2 = mesh->GetPosition(face.vertexIndex[2]);
+
+            AZ::Vector3 dir1 = v1 - v0;
+            AZ::Vector3 dir2 = v2 - v0;
+
+            AZ::Vector3 normal = dir1.Cross(dir2);
+
+            return normal.Dot(expectedNormal) >= (1.0f - FLT_EPSILON);
+        }
+
+        bool PointsMatch(const AZ::Vector3& orig, const AZ::Vector3& testPosition)
+        {
+            if (orig.GetX() != testPosition.GetX())
+            {
+                return false;
+            }
+            if (orig.GetY() != testPosition.GetY())
+            {
+                return false;
+            }
+            if (orig.GetZ() != testPosition.GetZ())
+            {
+                return false;
+            }
+            return true;
+        }
+
+        TEST(MeshDataPrimitiveUtils, CreateBox_BasicValues_BoxHasCorrectTopology)
+        {
+            std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData> mesh
+                = AZ::SceneData::GraphData::MeshDataPrimitiveUtils::CreateBox(1.0f, 2.0f, 3.0f);
+
+            ASSERT_NE(nullptr, mesh);
+            EXPECT_EQ(8, mesh->GetVertexCount());
+            EXPECT_EQ(12, mesh->GetFaceCount());
+        }
+
+        TEST(MeshDataPrimitiveUtils, CreateBox_BasicVectorValues_BoxHasCorrectTopology)
+        {
+            AZ::Vector3 dims(1.0f, 2.0f, 3.0f);
+            std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData> mesh
+                = AZ::SceneData::GraphData::MeshDataPrimitiveUtils::CreateBox(dims);
+
+            ASSERT_NE(nullptr, mesh);
+            EXPECT_EQ(8, mesh->GetVertexCount());
+            EXPECT_EQ(12, mesh->GetFaceCount());
+        }
+
+        TEST(MeshDataPrimitiveUtils, CreateBox_BasicValues_XFacesPointCorrectDirection)
+        {
+            std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData> mesh
+                = AZ::SceneData::GraphData::MeshDataPrimitiveUtils::CreateBox(1.0f, 2.0f, 3.0f);
+
+            AZ::SceneAPI::DataTypes::IMeshData::Face face = mesh->GetFaceInfo(0);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(-1.0f, 0.0f, 0.0f)));
+
+            face = mesh->GetFaceInfo(1);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(-1.0f, 0.0f, 0.0f)));
+
+            face = mesh->GetFaceInfo(2);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(1.0f, 0.0f, 0.0f)));
+
+            face = mesh->GetFaceInfo(3);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(1.0f, 0.0f, 0.0f)));
+        }
+
+        TEST(MeshDataPrimitiveUtils, CreateBox_BasicValues_YFacesPointCorrectDirection)
+        {
+            std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData> mesh
+                = AZ::SceneData::GraphData::MeshDataPrimitiveUtils::CreateBox(1.0f, 2.0f, 3.0f);
+
+            AZ::SceneAPI::DataTypes::IMeshData::Face face = mesh->GetFaceInfo(4);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, -1.0f, 0.0f)));
+
+            face = mesh->GetFaceInfo(5);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, -1.0f, 0.0f)));
+
+            face = mesh->GetFaceInfo(6);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, 1.0f, 0.0f)));
+
+            face = mesh->GetFaceInfo(7);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, 1.0f, 0.0f)));
+        }
+
+        TEST(MeshDataPrimitiveUtils, CreateBox_BasicValues_ZFacesPointCorrectDirection)
+        {
+            std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData> mesh
+                = AZ::SceneData::GraphData::MeshDataPrimitiveUtils::CreateBox(1.0f, 2.0f, 3.0f);
+
+            AZ::SceneAPI::DataTypes::IMeshData::Face face = mesh->GetFaceInfo(8);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, 0.0f, -1.0f)));
+
+            face = mesh->GetFaceInfo(9);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, 0.0f, -1.0f)));
+
+            face = mesh->GetFaceInfo(10);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, 0.0f, 1.0f)));
+
+            face = mesh->GetFaceInfo(11);
+            EXPECT_TRUE(FaceWindingPointsDirection(face, mesh, AZ::Vector3(0.0f, 0.0f, 1.0f)));
+        }
+
+        TEST(MeshDataPrimitiveUtils, CreateBox_BasicValues_VertexPositionsValid)
+        {
+            AZ::Vector3 dims(1.0f, 2.0f, 3.0f);
+            std::unique_ptr<AZ::SceneAPI::DataTypes::IMeshData> mesh
+                = AZ::SceneData::GraphData::MeshDataPrimitiveUtils::CreateBox(dims);
+
+            dims /= 2.0f;
+
+            AZ::Vector3 position = mesh->GetPosition(0);
+            EXPECT_TRUE(PointsMatch(Vector3(-dims.GetX(), -dims.GetY(), -dims.GetZ()), position));
+            position = mesh->GetPosition(1);
+            EXPECT_TRUE(PointsMatch(Vector3(-dims.GetX(), -dims.GetY(), dims.GetZ()), position));
+            position = mesh->GetPosition(2);
+            EXPECT_TRUE(PointsMatch(Vector3(-dims.GetX(), dims.GetY(), dims.GetZ()), position));
+            position = mesh->GetPosition(3);
+            EXPECT_TRUE(PointsMatch(Vector3(-dims.GetX(), dims.GetY(), -dims.GetZ()), position));
+            position = mesh->GetPosition(4);
+            EXPECT_TRUE(PointsMatch(Vector3(dims.GetX(), -dims.GetY(), -dims.GetZ()), position));
+            position = mesh->GetPosition(5);
+            EXPECT_TRUE(PointsMatch(Vector3(dims.GetX(), dims.GetY(), -dims.GetZ()), position));
+            position = mesh->GetPosition(6);
+            EXPECT_TRUE(PointsMatch(Vector3(dims.GetX(), dims.GetY(), dims.GetZ()), position));
+            position = mesh->GetPosition(7);
+            EXPECT_TRUE(PointsMatch(Vector3(dims.GetX(), -dims.GetY(), dims.GetZ()), position));
+        }
+    }
+}

Code/Tools/SceneAPI/SceneData/Tests/GraphData/MeshDataTests.cpp

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include <memory>
+#include <AzTest/AzTest.h>
+#include <SceneAPI/SceneData/GraphData/MeshData.h>
+#include <SceneAPI/SceneCore/DataTypes/GraphData/IMeshData.h>
+
+namespace AZ
+{
+    namespace SceneData
+    {
+        // ===================================================
+        // == MeshData Construction                         ==
+        // ===================================================
+
+        TEST(MeshData_Construction, Constructor_DefaultConstruction_PositionCountEqualsZero)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+
+            EXPECT_EQ(0, meshData.GetVertexCount());
+        }
+
+        TEST(MeshData_Construction, Constructor_DefaultConstruction_HasNoNormalData)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+
+            EXPECT_FALSE(meshData.HasNormalData());
+        }
+
+        TEST(MeshData_Construction, AddPosition_AddVector3_GetVertexCountEqualsOne)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+            AZ::Vector3 position(1, 0, 0);
+            meshData.AddPosition(position);
+
+            EXPECT_EQ(1, meshData.GetVertexCount());
+        }
+
+        TEST(MeshData_Construction, AddPosition_AddVector3_GetPositionEqual)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+            AZ::Vector3 position(0.1f, 0.2f, 0.3f);
+            meshData.AddPosition(position);
+            const AZ::Vector3& storedPosition = meshData.GetPosition(0);
+            EXPECT_FLOAT_EQ(position.GetX(), storedPosition.GetX());
+            EXPECT_FLOAT_EQ(position.GetY(), storedPosition.GetY());
+            EXPECT_FLOAT_EQ(position.GetZ(), storedPosition.GetZ());
+        }
+
+        TEST(MeshData_Construction, AddNormal_AddVector3_HasNormalData)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+            AZ::Vector3 normal(1, 0, 0);
+            meshData.AddNormal(normal);
+
+            EXPECT_TRUE(meshData.HasNormalData());
+        }
+
+        TEST(MeshData_Construction, AddNormal_AddVector3_GetNormalEqual)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+            AZ::Vector3 normal(0.1f, 0.2f, 0.3f);
+            meshData.AddNormal(normal);
+            const AZ::Vector3& storedNormal = meshData.GetNormal(0);
+            EXPECT_FLOAT_EQ(normal.GetX(), storedNormal.GetX());
+            EXPECT_FLOAT_EQ(normal.GetY(), storedNormal.GetY());
+            EXPECT_FLOAT_EQ(normal.GetZ(), storedNormal.GetZ());
+        }
+
+        TEST(MeshData_Construction, AddFace_AddValidFace_GetFaceEqual)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+            AZ::SceneAPI::DataTypes::IMeshData::Face face;
+            face.vertexIndex[0] = 0;
+            face.vertexIndex[1] = 1;
+            face.vertexIndex[2] = 2;
+
+            meshData.AddFace(face);
+
+            EXPECT_EQ(1, meshData.GetFaceCount());
+
+            const AZ::SceneAPI::DataTypes::IMeshData::Face& testValue = meshData.GetFaceInfo(0);
+            EXPECT_EQ(testValue.vertexIndex[0], face.vertexIndex[0]);
+            EXPECT_EQ(testValue.vertexIndex[1], face.vertexIndex[1]);
+            EXPECT_EQ(testValue.vertexIndex[2], face.vertexIndex[2]);
+        }
+
+        TEST(MeshData_Construction, AddFace_AddValidFaceIndexes_GetFaceEqual)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+
+            meshData.AddFace(0, 1, 2);
+
+            EXPECT_EQ(1, meshData.GetFaceCount());
+
+            const AZ::SceneAPI::DataTypes::IMeshData::Face& testValue = meshData.GetFaceInfo(0);
+            EXPECT_EQ(testValue.vertexIndex[0], 0);
+            EXPECT_EQ(testValue.vertexIndex[1], 1);
+            EXPECT_EQ(testValue.vertexIndex[2], 2);
+        }
+
+        TEST(MeshData_Construction, AddFace_AddValidFace_GetFaceMaterialEqual)
+        {
+            AZ::SceneData::GraphData::MeshData meshData;
+            AZ::SceneAPI::DataTypes::IMeshData::Face face;
+            face.vertexIndex[0] = 0;
+            face.vertexIndex[1] = 1;
+            face.vertexIndex[2] = 2;
+
+            meshData.AddFace(face);
+
+            EXPECT_EQ(0, meshData.GetFaceMaterialId(0));
+        }
+    }
+}