diff options
Diffstat (limited to 'src/point.inl')
| -rw-r--r-- | src/point.inl | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/point.inl b/src/point.inl index 62abbde1..be5b3180 100644 --- a/src/point.inl +++ b/src/point.inl @@ -21,4 +21,26 @@ constexpr uint32_t point::distance_l2(point a, point b) return (uint32_t)Math::abs(dist).sum(); } +constexpr std::strong_ordering operator<=>(const point& p1, const point& p2) +{ + if (auto val = p1.cz <=> p2.cz; val != std::strong_ordering::equal) return val; + if (auto val = p1.cy <=> p2.cy; val != std::strong_ordering::equal) return val; + if (auto val = p1.cx <=> p2.cx; val != std::strong_ordering::equal) return val; + if (auto val = p1.tile.y <=> p2.tile.y; val != std::strong_ordering::equal) return val; + if (auto val = p1.tile.x <=> p2.tile.x; val != std::strong_ordering::equal) return val; + if (auto val = p1._offset.y() <=> p2._offset.y(); val != std::strong_ordering::equal) return val; + if (auto val = p1._offset.x() <=> p2._offset.x(); val != std::strong_ordering::equal) return val; + return std::strong_ordering::equal; +} + +constexpr Vector2i operator-(const point& p1, const point& p2) +{ + fm_debug_assert(p1.cz == p2.cz); + Vector2i sum; + sum += iTILE_SIZE2 * TILE_MAX_DIM * (Vector2i(p1.cx, p1.cy) - Vector2i(p2.cx, p2.cy)); + sum += iTILE_SIZE2 * (Vector2i(p1.tile.x, p1.tile.y) - Vector2i(p2.tile.x, p2.tile.y)); + sum += Vector2i(p1._offset) - Vector2i(p2._offset); + return sum; +} + } // namespace floormat |