Method forBlock

library/modules/Maps.cpp:209–226

}

void cuboid::forBlock(std::function<bool(df::map_block *, cuboid)> fn, bool ensure_block) const
{
    auto c = *this; // Create a copy to modify.
    if (!c.clampMap().isValid()) // No intersection.
        return;

    // Process z, y, then x.
    for (int16_t x = (c.x_min >> 4) << 4; x <= c.x_max; x += 16)
        for (int16_t y = (c.y_min >> 4) << 4; y <= c.y_max; y += 16)
            for (int16_t z = c.z_max; z >= c.z_min; z--)
            {
                auto *block = ensure_block ? Maps::ensureTileBlock(x, y, z) : Maps::getTileBlock(x, y, z);
                if (!block) // Skip unallocated block.
                    continue;
                else if (!fn(block, cuboid(block).clamp(c)))
                    return; // Break iterator.
            }
}

/*
 * The Maps module