Reject constructor in constructor slot inventories (#505)

coil

2019-07-21 bb05ff8fd210fc9fac0b521f15e755380e6916d3

 technic/machines/register/cables.lua

@@ -117,6 +117,19 @@
   end
end

local function item_place_override_node(itemstack, placer, pointed, node)
   -- Call the default on_place function with a fake itemstack
   local temp_itemstack = ItemStack(itemstack)
   temp_itemstack:set_name(node.name)
   local original_count = temp_itemstack:get_count()
   temp_itemstack =
      minetest.item_place(temp_itemstack, placer, pointed, node.param2) or
      temp_itemstack
   -- Remove the same number of items from the real itemstack
   itemstack:take_item(original_count - temp_itemstack:get_count())
   return itemstack
end

function technic.register_cable(tier, size)
   local ltier = string.lower(tier)
   cable_tier["technic:"..ltier.."_cable"] = tier
@@ -228,11 +241,10 @@
                  num = xyz[((fine_pointed[bigger] < 0 and "-") or "") .. bigger]
               end
            end
            minetest.set_node(pointed_thing.above, {name = "technic:"..ltier.."_cable_plate_"..num})
            if not (creative and creative.is_enabled_for(placer)) then
               itemstack:take_item()
            end
            return itemstack
            return item_place_override_node(
               itemstack, placer, pointed_thing,
               {name = "technic:"..ltier.."_cable_plate_"..num}
            )
         end
      else
         def.groups.not_in_creative_inventory = 1