diff options
Diffstat (limited to 'advtrains_interlocking/signal_api.lua')
| -rw-r--r-- | advtrains_interlocking/signal_api.lua | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/advtrains_interlocking/signal_api.lua b/advtrains_interlocking/signal_api.lua index 65fc787..eddf9da 100644 --- a/advtrains_interlocking/signal_api.lua +++ b/advtrains_interlocking/signal_api.lua @@ -419,12 +419,29 @@ end ---------------- function signal.can_dig(pos) - return not advtrains.interlocking.db.get_sigd_for_signal(pos) + local sigd = advtrains.interlocking.db.get_sigd_for_signal(pos) + if sigd then + local tcbs = advtrains.interlocking.db.get_tcbs(sigd) + if tcbs.routeset then + return false + end + end + return true end -function signal.after_dig(pos) +function signal.after_dig(pos, oldnode, oldmetadata, player) + -- unassign signal if necessary + local sigd = advtrains.interlocking.db.get_sigd_for_signal(pos) + if sigd then + local tcbs = advtrains.interlocking.db.get_tcbs(sigd) + advtrains.interlocking.db.set_sigd_for_signal(pos, nil) + tcbs.signal = nil + tcbs.route_aspect = nil + tcbs.route_remote = nil + minetest.chat_send_player(player:get_player_name(), "Signal has been unassigned. Name and routes are kept for reuse.") + end -- TODO clear influence point - advtrains.interlocking.signal.clear_aspect(pos) + advtrains.interlocking.signal.unregister_aspect(pos) end function signal.on_rightclick(pos, node, player, itemstack, pointed_thing) |