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#define BOOST_TEST_MODULE test_geo
#include "test-helpers.hpp"
#include <boost/test/data/test_case.hpp>
#include <boost/test/unit_test.hpp>
#include <stream_support.hpp>
#include <game/geoData.h>
#include <lib/ray.hpp>
struct TestGeoData : public GeoData {
TestGeoData() : GeoData {{{-10, -5}, {30, 40}}, 5.F} { }
};
namespace std {
std::ostream &
operator<<(std::ostream & s, const Ray & r)
{
return (s << r.start << "->" << r.direction);
}
}
BOOST_FIXTURE_TEST_SUITE(tgd, TestGeoData)
BOOST_AUTO_TEST_CASE(initialize)
{
BOOST_CHECK_EQUAL(limit.first, glm::ivec2(-10, -5));
BOOST_CHECK_EQUAL(limit.second, glm::ivec2(30, 40));
BOOST_CHECK_EQUAL(scale, 5.F);
BOOST_CHECK_EQUAL(size, glm::uvec2(41, 46));
BOOST_CHECK_EQUAL(nodes.size(), 1886);
BOOST_CHECK(std::all_of(nodes.begin(), nodes.end(), [](const auto & n) {
return n.height == -1.5F;
}));
}
BOOST_AUTO_TEST_CASE(coords)
{
BOOST_CHECK_EQUAL(at(-10, -5), 0);
BOOST_CHECK_EQUAL(at(-9, -5), 1);
BOOST_CHECK_EQUAL(at(0, -5), 10);
BOOST_CHECK_EQUAL(at(30, -5), 40);
BOOST_CHECK_EQUAL(at(30, 40), 1885);
}
BOOST_AUTO_TEST_CASE(coords_bad)
{
BOOST_CHECK_THROW(std::ignore = at(-11, -5), std::range_error);
BOOST_CHECK_THROW(std::ignore = at(-10, -6), std::range_error);
BOOST_CHECK_THROW(std::ignore = at(-11, -6), std::range_error);
BOOST_CHECK_THROW(std::ignore = at(31, 40), std::range_error);
BOOST_CHECK_THROW(std::ignore = at(30, 41), std::range_error);
BOOST_CHECK_THROW(std::ignore = at(31, 41), std::range_error);
}
BOOST_AUTO_TEST_CASE(gen_random)
{
// Can only really its sanity
generateRandom();
// Some terrain above sea level
BOOST_CHECK(std::any_of(nodes.begin(), nodes.end(), [](const auto & n) {
return n.height > 0;
}));
// Still an island
for (int x = limit.first.x; x <= limit.second.x; x += 1) {
BOOST_CHECK_EQUAL(nodes[at(x, limit.first.y)].height, -1.5F);
BOOST_CHECK_EQUAL(nodes[at(x, limit.second.y)].height, -1.5F);
}
for (int y = limit.first.y; y <= limit.second.y; y += 1) {
BOOST_CHECK_EQUAL(nodes[at(limit.first.x, y)].height, -1.5F);
BOOST_CHECK_EQUAL(nodes[at(limit.second.x, y)].height, -1.5F);
}
}
BOOST_AUTO_TEST_CASE(load_uk_heightmap)
{
loadFromImages(FIXTURESDIR "/height/V0txo.jpg", 100.F);
// Some terrain above sea level
BOOST_CHECK(std::any_of(nodes.begin(), nodes.end(), [](const auto & n) {
return n.height > 0;
}));
}
BOOST_AUTO_TEST_CASE(get_height_at)
{
// at(x,y) is index based
nodes[at(0, 0)].height = 1;
nodes[at(1, 0)].height = 2;
nodes[at(0, 1)].height = 3;
nodes[at(1, 1)].height = 4;
// positionAt(x,y) is world based
// Corners
BOOST_CHECK_EQUAL(positionAt({0, 0}), glm::vec3(0, 0, 1));
BOOST_CHECK_EQUAL(positionAt({5, 0}), glm::vec3(5, 0, 2));
BOOST_CHECK_EQUAL(positionAt({0, 5}), glm::vec3(0, 5, 3));
BOOST_CHECK_EQUAL(positionAt({5, 5}), glm::vec3(5, 5, 4));
// Edge midpoints
BOOST_CHECK_EQUAL(positionAt({0, 2.5F}), glm::vec3(0, 2.5F, 2));
BOOST_CHECK_EQUAL(positionAt({5, 2.5F}), glm::vec3(5, 2.5F, 3));
BOOST_CHECK_EQUAL(positionAt({2.5F, 0}), glm::vec3(2.5F, 0, 1.5F));
BOOST_CHECK_EQUAL(positionAt({2.5F, 5}), glm::vec3(2.5F, 5, 3.5F));
// Centre
BOOST_CHECK_EQUAL(positionAt({2.5F, 2.5F}), glm::vec3(2.5F, 2.5F, 2.5F));
}
using TestRayTracerData = std::tuple<glm::vec2, glm::vec2, glm::vec2::value_type, std::vector<glm::vec2>>;
BOOST_TEST_DECORATOR(*boost::unit_test::timeout(1))
BOOST_DATA_TEST_CASE(raytracer,
boost::unit_test::data::make<TestRayTracerData>({
{{1, 2}, {4, 5}, 4,
{
{0, 0},
{0, 4},
{4, 4},
{4, 8},
{8, 8},
{8, 12},
{12, 12},
{12, 16},
{12, 20},
{16, 20},
}},
{{-1, -1}, {-4, -5}, 5,
{
{-5, -5},
{-5, -10},
{-10, -10},
{-10, -15},
{-15, -15},
{-15, -20},
{-20, -20},
{-20, -25},
}},
}),
start, dir, scale, points)
{
GeoData::RayTracer rt {start / scale, glm::normalize(dir)};
for (const auto & point : points) {
BOOST_CHECK_CLOSE_VEC(point, rt.next() * scale);
}
}
using TestRayData = std::tuple<glm::vec3, glm::vec3, glm::vec3>;
BOOST_TEST_DECORATOR(*boost::unit_test::timeout(1))
BOOST_DATA_TEST_CASE(intersect_ray,
boost::unit_test::data::make<TestRayData>({
{{-1, -1, 1.0}, {1, 1, 0}, {0, 0, 1}},
{{-1, -1, 2.5}, {1, 1, 0}, {2.5F, 2.5F, 2.5F}},
{{-20, -20, 2.5}, {1, 1, 0}, {2.5F, 2.5F, 2.5F}},
// outside the map looking in
{{-205, -205, 4}, {1, 1, 0}, {5, 5, 4}},
{{-205, 5, 4}, {1, 0, 0}, {5, 5, 4}},
{{-205, 215, 4}, {1, -1, 0}, {5, 5, 4}},
{{215, -205, 4}, {-1, 1, 0}, {5, 5, 4}},
{{215, 5, 4}, {-1, 0, 0}, {5, 5, 4}},
{{215, 215, 4}, {-1, -1, 0}, {5, 5, 4}},
{{5, 215, 4}, {0, -1, 0}, {5, 5, 4}},
{{5, -205, 4}, {0, 1, 0}, {5, 5, 4}},
}),
start, dir, pos)
{
// at(x,y) is index based
nodes[at(0, 0)].height = 1;
nodes[at(1, 0)].height = 2;
nodes[at(0, 1)].height = 3;
nodes[at(1, 1)].height = 4;
const auto intersect = intersectRay({start, glm::normalize(dir)});
BOOST_REQUIRE(intersect);
BOOST_CHECK_CLOSE_VEC(*intersect, pos);
}
auto xs = boost::unit_test::data::xrange(-20.F, 0.F, 0.6F), ys = boost::unit_test::data::xrange(-20.F, 0.F, 0.7F);
auto targetsx = boost::unit_test::data::xrange(0.2F, 4.9F, 1.3F),
targetsy = boost::unit_test::data::xrange(0.3F, 4.9F, 1.3F);
BOOST_TEST_DECORATOR(*boost::unit_test::timeout(1))
BOOST_DATA_TEST_CASE(intersect_ray_many, xs * ys * targetsx * targetsy, x, y, targetx, targety)
{
// at(x,y) is index based
nodes[at(0, 0)].height = 1;
nodes[at(1, 0)].height = 2;
nodes[at(0, 1)].height = 3;
nodes[at(1, 1)].height = 4;
glm::vec3 start {x, y, 10};
const auto target {this->positionAt({targetx, targety})};
Ray ray {start, glm::normalize(target - start)};
BOOST_TEST_CONTEXT(ray) {
const auto intersect = intersectRay(ray);
BOOST_REQUIRE(intersect);
BOOST_CHECK_CLOSE_VEC(*intersect, target);
}
}
BOOST_TEST_DECORATOR(*boost::unit_test::timeout(1))
BOOST_DATA_TEST_CASE(intersect_ray_miss,
boost::unit_test::data::make<Ray>({
{{3, 3, 5}, {-1, -1, 0}},
{{0, 0, 5}, {0, 0, 1}},
{{0, 0, 5}, {0, 0, -1}},
}),
ray)
{
// at(x,y) is index based
nodes[at(0, 0)].height = 1;
nodes[at(1, 0)].height = 2;
nodes[at(0, 1)].height = 3;
nodes[at(1, 1)].height = 4;
BOOST_REQUIRE(!intersectRay(ray));
}
BOOST_AUTO_TEST_SUITE_END()
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