Chainsaw: Partial rewrite, various improvements (#607)

SmallJoker

2022-10-25 7d39136764c894cb4adc3f0726f1df5eb6a4926b

 technic/machines/register/cables.lua

@@ -71,21 +71,16 @@
               local eu_type = technic.machines[tier][node.name]
               meta:set_string(tier.."_network", minetest.pos_to_string(sw_pos))
               if     eu_type == technic.producer then
                  table.insert(network.PR_nodes,pos)
                  table.insert(network.PR_nodes, pos)
               elseif eu_type == technic.receiver then
                  table.insert(network.RE_nodes,pos)
                  table.insert(network.RE_nodes, pos)
               elseif eu_type == technic.producer_receiver then
                  table.insert(network.PR_nodes,pos)
                  table.insert(network.RE_nodes,pos)
               elseif eu_type == "SPECIAL" and
                     (pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) and
                     nil then
                  -- TODO: This case was never executed. Needs testing!
                  -- Supply converter.
                  table.insert(network.SP_nodes,pos)
                  table.insert(network.PR_nodes, pos)
                  table.insert(network.RE_nodes, pos)
               elseif eu_type == technic.battery then
                  table.insert(network.BA_nodes,pos)
                  table.insert(network.BA_nodes, pos)
               end
               -- Note: SPECIAL (i.e. switching station) is not traversed!
            end
         elseif dead_end and not placed then
            -- Dead end removed, remove it from the network