fix rectangle intersection (still fails test)

1 files changed, 5 insertions, 6 deletions

diff --git a/src/path-search.cpp b/src/path-search.cpp
index b8c7c023..11fddce1 100644
--- a/src/path-search.cpp
+++ b/src/path-search.cpp
@@ -68,15 +68,14 @@ bool search::sample_rtree(world& w, chunk_coords_ ch0, Vector2 center, Vector2 s
         static_assert(iTILE_SIZE2.x() == iTILE_SIZE2.y());
         constexpr auto chunk_size = iTILE_SIZE2 * TILE_MAX_DIM;
         constexpr int bbox_max = 1 << sizeof(Vector2b().x())*8;
-        constexpr auto chunk_max = (chunk_size + Vector2i(bbox_max)).x();
+        constexpr auto chunk_max = chunk_size + Vector2i(bbox_max);
 
         const auto off = Vector2(nb)*Vector2(chunk_size);
-        const auto min_ = min + off, max_ = max + off;
+        const auto min_ = min - off, max_ = max - off;
 
-        const auto bmin = std::min({ min_.x(), min_.y(), max_.x(), max_.y() }),
-                   bmax = std::max({ min_.x(), min_.y(), max_.x(), max_.y() });
-
-        if (bmin < -bbox_max || bmax > chunk_max)
+        if (min_.x() > chunk_max.x() || min_.y() > chunk_max.y())
+            continue;
+        if (max_.x() < -bbox_max || max_.y() < -bbox_max)
             continue;
 
         if (auto* c2 = w.at(ch0 + Vector2i(nb)))