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92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
#include <boost/test/unit_test.hpp>
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#include "test_Globals.hpp"
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#include <dynamics/HitTest.hpp>
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#include <engine/GameWorld.hpp>
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#include <dynamics/CollisionInstance.hpp>
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#ifdef _MSC_VER
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#pragma warning(disable : 4305 5033)
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#endif
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#include <btBulletDynamicsCommon.h>
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#include <BulletCollision/CollisionDispatch/btGhostObject.h>
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#ifdef _MSC_VER
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#pragma warning(default : 4305 5033)
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#endif
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namespace {
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struct HitTestFixture {
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btDefaultCollisionConfiguration collisionConfig;
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btCollisionDispatcher collisionDispatcher;
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btDbvtBroadphase broadphase;
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btGhostPairCallback overlappingPairCallback;
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btSequentialImpulseConstraintSolver solver;
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btDiscreteDynamicsWorld dynamicsWorld;
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HitTest hitTest;
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HitTestFixture()
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: collisionDispatcher{&collisionConfig}
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, dynamicsWorld{&collisionDispatcher, &broadphase, &solver, &collisionConfig}
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, hitTest{dynamicsWorld}
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{
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broadphase.getOverlappingPairCache()->setInternalGhostPairCallback(
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&overlappingPairCallback);
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}
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};
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struct WithSphere : public HitTestFixture {
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btSphereShape shape {0.5f};
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std::unique_ptr<btRigidBody> target;
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GameObject* object {reinterpret_cast<GameObject*>(0xDEADBEEF)};
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WithSphere()
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{
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btDefaultMotionState ms;
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btRigidBody::btRigidBodyConstructionInfo info {1.f, &ms, &shape};
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target = std::make_unique<btRigidBody>(info);
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target->setUserPointer(object);
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dynamicsWorld.addRigidBody(target.get());
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}
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~WithSphere() {
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dynamicsWorld.removeRigidBody(target.get());
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}
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};
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}
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BOOST_AUTO_TEST_SUITE(HitTestTests)
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BOOST_FIXTURE_TEST_CASE(test_creation, HitTestFixture) {
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HitTest test {dynamicsWorld};
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}
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BOOST_FIXTURE_TEST_CASE(sphereTest_returns_result, WithSphere) {
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const auto result = hitTest.sphereTest({0.f, 0.f, 0.f}, 1.f);
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BOOST_CHECK_EQUAL(result.size(), 1);
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}
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BOOST_FIXTURE_TEST_CASE(boxTest_returns_result, WithSphere) {
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auto sphereBoundingBoxEdge = glm::vec3{ 0.f, 0.f, shape.getRadius() };
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const auto result = hitTest.boxTest(sphereBoundingBoxEdge, {0.01f, 0.01f, 0.01f});
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BOOST_CHECK_EQUAL(result.size(), 1);
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}
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BOOST_FIXTURE_TEST_CASE(non_overlapping_test_returns_nothing, WithSphere) {
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auto sphereBoundingBoxEdge = glm::vec3{ shape.getRadius() };
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const auto result = hitTest.boxTest(sphereBoundingBoxEdge * 2.f, {0.01f, 0.01f, 0.01f});
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BOOST_CHECK(result.empty());
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}
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BOOST_FIXTURE_TEST_CASE(result_contains_body, WithSphere) {
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const auto result = hitTest.sphereTest({0.f, 0.f, 0.f}, 1.f);
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BOOST_ASSERT(result.size() == 1);
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BOOST_CHECK_EQUAL(result[0].body, target.get());
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}
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BOOST_FIXTURE_TEST_CASE(test_result_contains_object, WithSphere) {
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const auto result = hitTest.sphereTest({0.f, 0.f, 0.f}, 1.f);
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BOOST_ASSERT(result.size() == 1);
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BOOST_CHECK_EQUAL(result[0].object, object);
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}
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BOOST_AUTO_TEST_SUITE_END()
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