technic_cnc: Add group 'cracky'

SmallJoker

2024-08-03 9f373d65281836b1bbfb0069707a8eaa1aeb0c53

technic_cnc: Add group 'cracky'

Fixes a regression from ba2bdf836 where stone-like nodes could no longer be dug.
New sanity check to avoid such issues in the future.

 technic_cnc/cnc_materials.lua

@@ -10,6 +10,7 @@
    end

    local groups = {
        cracky = ndef.groups.cracky,
        crumbly = ndef.groups.crumbly,
        choppy = ndef.groups.choppy,
        flammable = ndef.groups.flammable,
@@ -19,6 +20,12 @@
        oddly_breakable_by_hand = ndef.groups.oddly_breakable_by_hand,
        not_in_creative_inventory = 1,
    }
    local count = 0
    for _ in pairs(groups) do
        count = count + 1
    end
    assert(count >= 2, "Too few groups. node name=" .. nodename)

    local tiles = tiles_override or { ndef.tiles[#ndef.tiles] }
    assert(tiles and #tiles == 1, "Unknown tile format in node name=" .. nodename)