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#include "src/raycast-diag.hpp"
#include "src/world.hpp"
#include "src/wall-atlas.hpp"
#include "loader/loader.hpp"
#include <benchmark/benchmark.h>
#include <Magnum/Math/Functions.h>
namespace floormat {
namespace {
world make_world()
{
constexpr auto var = (variant_t)-1;
auto wall1_ = loader.wall_atlas("test1"_s);
auto wall2_ = loader.wall_atlas("concrete1"_s);
auto wall1 = wall_image_proto{wall1_, var};
auto wall2 = wall_image_proto{wall2_, var};
auto w = world{};
w[global_coords{{0, 3, 0}, {15, 0}}].t.wall_north() = wall1;
w[global_coords{{1, 3, 0}, { 0, 0}}].t.wall_north() = wall1;
w[global_coords{{1, 3, 0}, { 0, 0}}].t.wall_north() = wall1;
w[global_coords{{1, 2, 0}, { 1, 15}}].t.wall_west() = wall1;
w[global_coords{{1, 2, 0}, { 1, 14}}].t.wall_west() = wall1;
w[global_coords{{0, 1, 0}, { 8, 11}}].t.wall_west() = wall2;
w[global_coords{{0, 1, 0}, { 8, 10}}].t.wall_west() = wall2;
w[global_coords{{0, 1, 0}, { 7, 10}}].t.wall_north() = wall2;
w[global_coords{{0, 1, 0}, { 8, 8}}].t.wall_north() = wall1;
w[global_coords{{0, 1, 0}, {10, 8}}].t.wall_north() = wall1;
w[global_coords{{0, 1, 0}, {12, 8}}].t.wall_west() = wall1;
w[global_coords{{0, 2, 0}, { 9, 0}}].t.wall_north() = wall1;
w[global_coords{{0, 2, 0}, {10, 0}}].t.wall_north() = wall1;
for (int16_t i = -10; i <= 10; i++)
for (int16_t j = -10; j <= 10; j++)
w[{{i, j}, 0}].mark_modified();
return w;
}
[[maybe_unused]] void Raycast(benchmark::State& state)
{
constexpr auto run1 = [](world& w, point to, bool b, float len = 0)
{
constexpr auto from = point{{0, 0, 0}, {11,12}, {1,-32}};
constexpr float fuzz = iTILE_SIZE2.x();
auto diag = rc::raycast_diag_s{};
auto res = raycast_with_diag(diag, w, from, to, 0);
if (res.success != b)
{
fm_error("success != %s", b ? "true" : "false");
return false;
}
if (len > 0)
{
auto tmin = res.success ? diag.V.length() : diag.tmin;
fm_assert(len > 1e-6f);
auto diff = Math::abs(tmin - len);
if (diff > fuzz)
{
fm_error("|tmin=%f - len=%f| > %f",
(double)tmin, (double)len, (double)fuzz);
return false;
}
}
return true;
};
auto w = make_world();
const auto run = [&] {
fm_assert(run1(w, point{{ 1, 3, 0}, { 0, 1}, {-21, 23}}, false, 2288));
fm_assert(run1(w, point{{ 1, 3, 0}, { 8, 10}, {- 9, -13}}, true, 3075));
fm_assert(run1(w, point{{ 0, 3, 0}, {14, 4}, { 3, 15}}, true, 2614));
fm_assert(run1(w, point{{ 0, 1, 0}, { 8, 12}, {-27, -19}}, false, 752));
//fm_assert(run1(w, point{{ 0, 1, 0}, { 7, 11}, {- 8, -21}}, false, 908));
fm_assert(run1(w, point{{ 2, 33, 0}, {15, 11}, {- 4, 29}}, true, 33809));
};
run();
for (auto _ : state)
run();
}
BENCHMARK(Raycast)->Unit(benchmark::kMicrosecond);
} // namespace
} // namespace floormat
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