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#define BOOST_TEST_MODULE terrain
#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_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());
}
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