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#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 {TerrainMesh::loadFromAsciiGrid(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());
}
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