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Diffstat (limited to 'test/test-terrain.cpp')
| -rw-r--r-- | test/test-terrain.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/test/test-terrain.cpp b/test/test-terrain.cpp new file mode 100644 index 0000000..53eebfb --- /dev/null +++ b/test/test-terrain.cpp @@ -0,0 +1,172 @@ +#define BOOST_TEST_MODULE terrain +#include "testHelpers.h" +#include <boost/test/data/test_case.hpp> +#include <boost/test/unit_test.hpp> +#include <stream_support.h> + +#include <game/terrain2.h> + +class TestTerrainMesh : public TerrainMesh { +public: + TestTerrainMesh() : TerrainMesh {FIXTURESDIR "height/SD19.asc"} { } +}; + +constexpr size_t ncols = 200, nrows = 200, xllcorner = 310000, yllcorner = 490000, cellsize = 50; + +BOOST_FIXTURE_TEST_SUITE(ttm, TestTerrainMesh); + +BOOST_AUTO_TEST_CASE(loadSuccess) +{ + BOOST_CHECK_EQUAL(ncols * nrows, n_vertices()); + BOOST_CHECK_EQUAL(2 * (ncols - 1) * (nrows - 1), n_faces()); +} + +BOOST_AUTO_TEST_CASE(normalsAllPointUp) +{ + BOOST_CHECK(std::all_of(faces_begin(), faces_end(), [this](auto && vh) { + return normal(vh).z > 0; + })); + BOOST_CHECK(std::all_of(vertices_begin(), vertices_end(), [this](auto && vh) { + return normal(vh).z > 0; + })); +} + +BOOST_AUTO_TEST_CASE(trianglesContainsPoints) +{ + const auto face = face_handle(0); + auto vertices = cfv_iter(face); + + BOOST_TEST_CONTEXT(point(*vertices++) << point(*vertices++) << point(*vertices++)) { + BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner, yllcorner}, face)); + BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner + cellsize, yllcorner + cellsize}, face)); + BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner, yllcorner + cellsize}, face)); + BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner + 1, yllcorner + 1}, face)); + BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner + 1, yllcorner + 2}, face)); + BOOST_CHECK(!triangleContainsPoint(glm::vec2 {xllcorner + 3, yllcorner + 2}, face)); + BOOST_CHECK(!triangleContainsPoint(glm::vec2 {xllcorner + cellsize, yllcorner}, face)); + } +} + +BOOST_AUTO_TEST_CASE(locatePointFace) +{ + const PointFace pf {{310002, 490003}}; + BOOST_CHECK(!pf.isLocated()); + BOOST_CHECK(pf.face(this).is_valid()); + BOOST_CHECK_EQUAL(pf.face(this).idx(), 0); +} + +BOOST_AUTO_TEST_CASE(preLocatePointFace) +{ + const PointFace pf {{310002, 490003}, this}; + BOOST_CHECK(pf.isLocated()); + BOOST_CHECK_EQUAL(pf.face(this).idx(), 0); +} + +BOOST_AUTO_TEST_SUITE_END(); + +using FindPointData = std::tuple<glm::vec2, int>; + +static const TestTerrainMesh fixedTerrtain; + +// No boundary cases as these can produce different valid results depending on starting point +BOOST_DATA_TEST_CASE(findPointOnTerrain, + boost::unit_test::data::make<FindPointData>({ + {{0, 0}, -1}, {{xllcorner, 0}, -1}, {{0, yllcorner}, -1}, {{xllcorner + 1, yllcorner + 2}, 0}, + {{xllcorner + (cellsize * (nrows - 1)) - 2, yllcorner + (cellsize * (ncols - 1)) - 1}, 79200}, + {{315555, 495556}, 44400}, // perf test target + }) + * boost::unit_test::data::make<int>( + {0, 1, 2, 3, 4, 5, 6, 10, 100, 150, 200, 1000, 1234, 17439, 79201, 79200, 79199}), + p, fh, start) +{ + BOOST_CHECK_EQUAL(fh, fixedTerrtain.findPoint(p, TerrainMesh::FaceHandle(start)).idx()); +} + +using FindPositionData = std::tuple<glm::vec2, float>; + +BOOST_DATA_TEST_CASE(findPositionAt, + boost::unit_test::data::make<FindPositionData>({ + // corners + {{310000, 490000}, 32.8F}, + {{310050, 490050}, 33.0F}, + {{310000, 490050}, 32.7F}, + {{310050, 490000}, 33.2F}, + {{310750, 490150}, 58.4F}, + // midpoints + {{310025, 490025}, 32.9F}, + {{310025, 490050}, 32.85F}, + {{310000, 490025}, 32.75F}, + // other + {{310751, 490152}, 58.326F}, + }), + p, h) +{ + BOOST_CHECK_CLOSE_VEC(fixedTerrtain.positionAt(p), p ^ h); +} + +using FindRayIntersectData = std::tuple<glm::vec3, glm::vec3, glm::vec3>; + +BOOST_DATA_TEST_CASE(findRayIntersect, + boost::unit_test::data::make<FindRayIntersectData>({ + {{310000, 490000, 50}, {1, 1, -2}, {310008.59, 490008.59, 32.834301}}, + {{310000, 490000, 50}, {1, 1, -1}, {310017.12, 490017.12, 32.868526}}, + }), + p, d, i) +{ + BOOST_CHECK_CLOSE_VEC(fixedTerrtain.intersectRay({p, d}).value(), i); +} + +using WalkTerrainData = std::tuple<glm::vec2, glm::vec2, std::vector<int>>; + +BOOST_DATA_TEST_CASE(walkTerrain, + boost::unit_test::data::make<WalkTerrainData>({ + {{310002, 490003}, {310002, 490003}, {0}}, + {{310003, 490002}, {310003, 490002}, {1}}, + {{310002, 490003}, {310003, 490002}, {0, 1}}, + {{310003, 490002}, {310002, 490003}, {1, 0}}, + {{310002, 490003}, {310202, 490003}, {0, 1, 2, 3, 4, 5, 6, 7, 8}}, + {{310202, 490003}, {310002, 490003}, {8, 7, 6, 5, 4, 3, 2, 1, 0}}, + {{310002, 490003}, {310002, 490203}, {0, 399, 398, 797, 796, 1195, 1194, 1593, 1592}}, + }), + from, to, visits) +{ + std::vector<int> visited; + BOOST_CHECK_NO_THROW(fixedTerrtain.walk(from, to, [&visited](auto fh) { + visited.emplace_back(fh.idx()); + })); + BOOST_CHECK_EQUAL_COLLECTIONS(visited.begin(), visited.end(), visits.begin(), visits.end()); +} + +BOOST_DATA_TEST_CASE(walkTerrainSetsFromFace, + boost::unit_test::data::make<WalkTerrainData>({ + {{310002, 490003}, {310002, 490003}, {0}}, + {{310003, 490002}, {310003, 490002}, {1}}, + {{310002, 490003}, {310003, 490002}, {0, 1}}, + {{310003, 490002}, {310002, 490003}, {1, 0}}, + }), + from, to, visits) +{ + TerrainMesh::PointFace pf {from}; + BOOST_CHECK_NO_THROW(fixedTerrtain.walk(pf, to, [](auto) {})); + BOOST_CHECK_EQUAL(pf.face(&fixedTerrtain).idx(), visits.front()); +} + +BOOST_DATA_TEST_CASE(walkTerrainUntil, + boost::unit_test::data::make<WalkTerrainData>({ + {{310002, 490003}, {310002, 490003}, {0}}, + {{310003, 490002}, {310003, 490002}, {1}}, + {{310002, 490003}, {310003, 490002}, {0, 1}}, + {{310003, 490002}, {310002, 490003}, {1, 0}}, + {{310002, 490003}, {310202, 490003}, {0, 1, 2, 3, 4}}, + {{310202, 490003}, {310002, 490003}, {8, 7, 6, 5, 4}}, + {{310002, 490003}, {310002, 490203}, {0, 399, 398, 797, 796}}, + }), + from, to, visits) +{ + std::vector<int> visited; + BOOST_CHECK_NO_THROW(fixedTerrtain.walkUntil(from, to, [&visited](auto fh) { + visited.emplace_back(fh.idx()); + return visited.size() >= 5; + })); + BOOST_CHECK_EQUAL_COLLECTIONS(visited.begin(), visited.end(), visits.begin(), visits.end()); +} |