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416 lines
17 KiB
416 lines
17 KiB
4 years ago
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/*
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This file is part of Magnum.
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
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2020, 2021 Vladimír Vondruš <mosra@centrum.cz>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <sstream>
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#include <Corrade/Containers/Triple.h>
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#include <Corrade/TestSuite/Tester.h>
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#include <Corrade/TestSuite/Compare/Container.h>
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#include <Corrade/Utility/DebugStl.h>
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#include "Magnum/Math/Matrix3.h"
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#include "Magnum/Math/Matrix4.h"
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#include "Magnum/SceneTools/FlattenMeshHierarchy.h"
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#include "Magnum/Trade/SceneData.h"
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namespace Magnum { namespace SceneTools { namespace Test { namespace {
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struct FlattenMeshHierarchyTest: TestSuite::Tester {
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explicit FlattenMeshHierarchyTest();
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void test2D();
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void test3D();
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void not2DNot3D();
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void noParentField();
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void noMeshField();
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};
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using namespace Math::Literals;
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struct {
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const char* name;
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Matrix3 globalTransformation2D;
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Matrix4 globalTransformation3D;
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std::size_t parentsToExclude, transformationsToExclude, meshesToExclude;
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std::size_t expectedOutputSize;
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} TestData[]{
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{"", {}, {},
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0, 2, 3,
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5},
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{"global transformation",
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Matrix3::scaling(Vector2{0.5f}), Matrix4::scaling(Vector3{0.5f}),
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0, 2, 3,
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5},
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{"transformations not part of the hierarchy", {}, {},
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0, 0, 3,
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5},
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{"meshes not part of the hierarchy", {}, {},
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0, 2, 0,
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5},
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{"transformations and meshes not part of the hierarchy", {}, {},
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0, 0, 0,
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5},
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{"no parents", {}, {},
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9, 2, 3,
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0},
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{"no meshes", {}, {},
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0, 2, 8,
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0},
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};
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FlattenMeshHierarchyTest::FlattenMeshHierarchyTest() {
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addInstancedTests({&FlattenMeshHierarchyTest::test2D,
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&FlattenMeshHierarchyTest::test3D},
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Containers::arraySize(TestData));
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addTests({&FlattenMeshHierarchyTest::not2DNot3D,
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&FlattenMeshHierarchyTest::noParentField,
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&FlattenMeshHierarchyTest::noMeshField});
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}
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void FlattenMeshHierarchyTest::test2D() {
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auto&& instanceData = TestData[testCaseInstanceId()];
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setTestCaseDescription(instanceData.name);
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struct Data {
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/* Using smaller types to verify we don't have unnecessarily hardcoded
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32-bit types */
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struct Parent {
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UnsignedShort object;
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Byte parent;
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} parents[9];
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struct Transformation {
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UnsignedShort object;
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Matrix3 transformation;
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} transforms[7];
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struct Mesh {
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UnsignedShort object;
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UnsignedShort mesh;
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Short meshMaterial;
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} meshes[8];
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} data[]{{
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/*
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Cases to test:
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- leaf paths with no attachments which don't contribute to the
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output in any way
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- nodes with transforms but no meshes
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- nodes with meshes but no transforms
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- nodes with multiple meshes
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- nodes with neither transforms nor meshes
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- object 4 has a mesh with identity transform (or, rather, no
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transformation entry at all)
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- objects 2 and 16 have the same mesh attached with the exact
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same transform -- this is a nonsense (they would overlap) and
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as such isn't deduplicated in any way
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- objects 0, 32 and 17 have transformations/meshes, but not part
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of the hierarchy; these are cut away from the views in the
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first test case to keep it simple
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1T 4M
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/ \ | 32M 0MM
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5T 2TM 11
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/ \ \ | 32T 17T
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3MM 7T 6 16TM
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*/
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{{3, 5},
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{11, 4},
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{5, 1},
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{1, -1},
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{7, 5},
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{6, 2},
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{2, 1},
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{4, -1},
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{16, 11}},
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{{2, Matrix3::scaling({3.0f, 5.0f})},
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{1, Matrix3::translation({1.0f, -1.5f})},
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/* Same absolute transform as node 2 */
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{16, Matrix3::translation({1.0f, -1.5f})*
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Matrix3::scaling({3.0f, 5.0f})},
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{7, Matrix3::scaling({2.0f, 1.0f})},
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{5, Matrix3::rotation(35.0_degf)},
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/* These are not part of the hierarchy */
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{32, Matrix3::translation({1.0f, 0.5f})},
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{17, Matrix3::translation({2.0f, 1.0f})},
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},
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{{0, 262, 33},
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{32, 155, 47},
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{0, 127, -1},
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/* The above are not part of the hierarchy */
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{2, 113, 96},
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{3, 266, 74},
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{4, 525, 33},
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{3, 422, -1},
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{16, 113, 96}}
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}};
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Trade::SceneData scene{Trade::SceneMappingType::UnsignedShort, 33, {}, data, {
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/* To verify it doesn't just pick the first field ever */
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Trade::SceneFieldData{Trade::SceneField::Camera, Trade::SceneMappingType::UnsignedShort, nullptr, Trade::SceneFieldType::UnsignedInt, nullptr},
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Trade::SceneFieldData{Trade::SceneField::Parent,
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Containers::stridedArrayView(data->parents)
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.slice(&Data::Parent::object)
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.except(instanceData.parentsToExclude),
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Containers::stridedArrayView(data->parents)
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.slice(&Data::Parent::parent)
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.except(instanceData.parentsToExclude)},
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Trade::SceneFieldData{Trade::SceneField::Transformation,
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Containers::stridedArrayView(data->transforms)
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.slice(&Data::Transformation::object)
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.except(instanceData.transformationsToExclude),
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Containers::stridedArrayView(data->transforms)
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.slice(&Data::Transformation::transformation)
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.except(instanceData.transformationsToExclude)},
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Trade::SceneFieldData{Trade::SceneField::Mesh,
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::object)
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.suffix(instanceData.meshesToExclude),
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::mesh)
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.suffix(instanceData.meshesToExclude)},
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Trade::SceneFieldData{Trade::SceneField::MeshMaterial,
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::object)
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.suffix(instanceData.meshesToExclude),
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::meshMaterial)
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.suffix(instanceData.meshesToExclude)},
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}};
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Containers::Array<Containers::Triple<UnsignedInt, Int, Matrix3>> out;
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/* To test the parameter-less overload also */
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if(instanceData.globalTransformation2D != Matrix3{})
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out = flattenMeshHierarchy2D(scene, instanceData.globalTransformation2D);
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else
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out = flattenMeshHierarchy2D(scene);
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CORRADE_EXPECT_FAIL_IF(instanceData.meshesToExclude == 0 || instanceData.parentsToExclude != 0,
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"Meshes that are not part of the hierarchy are not excluded at the moment.");
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CORRADE_COMPARE_AS(out, (Containers::arrayView<Containers::Triple<UnsignedInt, Int, Matrix3>>({
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{113, 96, instanceData.globalTransformation2D*
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Matrix3::translation({1.0f, -1.5f})*
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Matrix3::scaling({3.0f, 5.0f})},
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{266, 74, instanceData.globalTransformation2D*
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Matrix3::translation({1.0f, -1.5f})*
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Matrix3::rotation(35.0_degf)},
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{525, 33, instanceData.globalTransformation2D},
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{422, -1, instanceData.globalTransformation2D*
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Matrix3::translation({1.0f, -1.5f})*
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Matrix3::rotation(35.0_degf)},
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{113, 96, instanceData.globalTransformation2D*
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Matrix3::translation({1.0f, -1.5f})*
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Matrix3::scaling({3.0f, 5.0f})}
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})).prefix(instanceData.expectedOutputSize), TestSuite::Compare::Container);
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}
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void FlattenMeshHierarchyTest::test3D() {
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auto&& instanceData = TestData[testCaseInstanceId()];
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setTestCaseDescription(instanceData.name);
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/* Basically the same as test2D(), except that it has 3D transforms.
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Putting both into the same test case would be a bit too nasty. */
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struct Data {
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/* Using smaller types to verify we don't have unnecessarily hardcoded
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32-bit types */
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struct Parent {
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UnsignedShort object;
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Byte parent;
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} parents[9];
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struct Transformation {
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UnsignedShort object;
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Matrix4 transformation;
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} transforms[7];
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struct Mesh {
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UnsignedShort object;
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UnsignedShort mesh;
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Short meshMaterial;
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} meshes[8];
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} data[]{{
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/*
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Cases to test:
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- leaf paths with no attachments which don't contribute to the
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|
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output in any way
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- nodes with transforms but no meshes
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- nodes with meshes but no transforms
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- nodes with multiple meshes
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- nodes with neither transforms nor meshes
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- object 4 has a mesh with identity transform (or, rather, no
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|
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transformation entry at all)
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|
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- objects 2 and 16 have the same mesh attached with the exact
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same transform -- this is a nonsense (they would overlap) and
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as such isn't deduplicated in any way
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|
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- objects 0, 32 and 17 have transformations/meshes, but not part
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of the hierarchy; these are cut away from the views in the
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|
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first test case to keep it simple
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1T 4M
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/ \ | 32M 0MM
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5T 2TM 11
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/ \ \ | 32T 17T
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3MM 7T 6 16TM
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*/
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{{3, 5},
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{11, 4},
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{5, 1},
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{1, -1},
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{7, 5},
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{6, 2},
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{2, 1},
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{4, -1},
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{16, 11}},
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{{2, Matrix4::scaling({3.0f, 5.0f, 2.0f})},
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{1, Matrix4::translation({1.0f, -1.5f, 0.5f})},
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/* Same absolute transform as node 2 */
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{16, Matrix4::translation({1.0f, -1.5f, 0.5f})*
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Matrix4::scaling({3.0f, 5.0f, 2.0f})},
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{7, Matrix4::scaling({2.0f, 1.0f, 0.5f})},
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{5, Matrix4::rotationZ(35.0_degf)},
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/* These are not part of the hierarchy */
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{32, Matrix4::translation({1.0f, 0.5f, 2.0f})},
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{17, Matrix4::translation({2.0f, 1.0f, 4.0f})},
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},
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{{0, 262, 33},
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{32, 155, 47},
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{0, 127, -1},
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/* The above are not part of the hierarchy */
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{2, 113, 96},
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{3, 266, 74},
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{4, 525, 33},
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{3, 422, -1},
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{16, 113, 96}}
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}};
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Trade::SceneData scene{Trade::SceneMappingType::UnsignedShort, 33, {}, data, {
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/* To verify it doesn't just pick the first field ever */
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Trade::SceneFieldData{Trade::SceneField::Camera, Trade::SceneMappingType::UnsignedShort, nullptr, Trade::SceneFieldType::UnsignedInt, nullptr},
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Trade::SceneFieldData{Trade::SceneField::Parent,
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Containers::stridedArrayView(data->parents)
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.slice(&Data::Parent::object)
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.except(instanceData.parentsToExclude),
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Containers::stridedArrayView(data->parents)
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.slice(&Data::Parent::parent)
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.except(instanceData.parentsToExclude)},
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Trade::SceneFieldData{Trade::SceneField::Transformation,
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Containers::stridedArrayView(data->transforms)
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.slice(&Data::Transformation::object)
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.except(instanceData.transformationsToExclude),
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Containers::stridedArrayView(data->transforms)
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.slice(&Data::Transformation::transformation)
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.except(instanceData.transformationsToExclude)},
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Trade::SceneFieldData{Trade::SceneField::Mesh,
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::object)
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.suffix(instanceData.meshesToExclude),
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::mesh)
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.suffix(instanceData.meshesToExclude)},
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Trade::SceneFieldData{Trade::SceneField::MeshMaterial,
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::object)
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.suffix(instanceData.meshesToExclude),
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Containers::stridedArrayView(data->meshes)
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.slice(&Data::Mesh::meshMaterial)
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.suffix(instanceData.meshesToExclude)},
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}};
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Containers::Array<Containers::Triple<UnsignedInt, Int, Matrix4>> out;
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/* To test the parameter-less overload also */
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if(instanceData.globalTransformation3D != Matrix4{})
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out = flattenMeshHierarchy3D(scene, instanceData.globalTransformation3D);
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else
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out = flattenMeshHierarchy3D(scene);
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CORRADE_EXPECT_FAIL_IF(instanceData.meshesToExclude == 0 || instanceData.parentsToExclude != 0,
|
||
|
|
"Meshes that are not part of the hierarchy are not excluded at the moment.");
|
||
|
|
CORRADE_COMPARE_AS(out, (Containers::arrayView<Containers::Triple<UnsignedInt, Int, Matrix4>>({
|
||
|
|
{113, 96, instanceData.globalTransformation3D*
|
||
|
|
Matrix4::translation({1.0f, -1.5f, 0.5f})*
|
||
|
|
Matrix4::scaling({3.0f, 5.0f, 2.0f})},
|
||
|
|
{266, 74, instanceData.globalTransformation3D*
|
||
|
|
Matrix4::translation({1.0f, -1.5f, 0.5f})*
|
||
|
|
Matrix4::rotationZ(35.0_degf)},
|
||
|
|
{525, 33, instanceData.globalTransformation3D},
|
||
|
|
{422, -1, instanceData.globalTransformation3D*
|
||
|
|
Matrix4::translation({1.0f, -1.5f, 0.5f})*
|
||
|
|
Matrix4::rotationZ(35.0_degf)},
|
||
|
|
{113, 96, instanceData.globalTransformation3D*
|
||
|
|
Matrix4::translation({1.0f, -1.5f, 0.5f})*
|
||
|
|
Matrix4::scaling({3.0f, 5.0f, 2.0f})}
|
||
|
|
})).prefix(instanceData.expectedOutputSize), TestSuite::Compare::Container);
|
||
|
|
}
|
||
|
|
|
||
|
|
void FlattenMeshHierarchyTest::not2DNot3D() {
|
||
|
|
#ifdef CORRADE_NO_ASSERT
|
||
|
|
CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Trade::SceneData scene{Trade::SceneMappingType::UnsignedInt, 0, nullptr, {}};
|
||
|
|
|
||
|
|
std::ostringstream out;
|
||
|
|
Error redirectError{&out};
|
||
|
|
flattenMeshHierarchy2D(scene);
|
||
|
|
flattenMeshHierarchy3D(scene);
|
||
|
|
CORRADE_COMPARE(out.str(),
|
||
|
|
"SceneTools::flattenMeshHierarchy(): the scene is not 2D\n"
|
||
|
|
"SceneTools::flattenMeshHierarchy(): the scene is not 3D\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
void FlattenMeshHierarchyTest::noParentField() {
|
||
|
|
#ifdef CORRADE_NO_ASSERT
|
||
|
|
CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Trade::SceneData scene{Trade::SceneMappingType::UnsignedInt, 0, nullptr, {
|
||
|
|
Trade::SceneFieldData{Trade::SceneField::Transformation, Trade::SceneMappingType::UnsignedInt, nullptr, Trade::SceneFieldType::Matrix3x3, nullptr}
|
||
|
|
}};
|
||
|
|
|
||
|
|
std::ostringstream out;
|
||
|
|
Error redirectError{&out};
|
||
|
|
flattenMeshHierarchy2D(scene);
|
||
|
|
CORRADE_COMPARE(out.str(),
|
||
|
|
"SceneTools::flattenMeshHierarchy(): the scene has no hierarchy\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
void FlattenMeshHierarchyTest::noMeshField() {
|
||
|
|
Trade::SceneData scene{Trade::SceneMappingType::UnsignedInt, 0, nullptr, {
|
||
|
|
Trade::SceneFieldData{Trade::SceneField::Parent, Trade::SceneMappingType::UnsignedInt, nullptr, Trade::SceneFieldType::Int, nullptr},
|
||
|
|
Trade::SceneFieldData{Trade::SceneField::Transformation, Trade::SceneMappingType::UnsignedInt, nullptr, Trade::SceneFieldType::Matrix3x3, nullptr}
|
||
|
|
}};
|
||
|
|
|
||
|
|
/* This should not blow up, just return nothing */
|
||
|
|
CORRADE_COMPARE_AS(flattenMeshHierarchy2D(scene),
|
||
|
|
(Containers::ArrayView<const Containers::Triple<UnsignedInt, Int, Matrix3>>{}),
|
||
|
|
TestSuite::Compare::Container);
|
||
|
|
}
|
||
|
|
|
||
|
|
}}}}
|
||
|
|
|
||
|
|
CORRADE_TEST_MAIN(Magnum::SceneTools::Test::FlattenMeshHierarchyTest)
|