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hoppers sometimes crashed when adjacent to undefined nodes

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This commit is contained in:
FaceDeer 2017-05-07 13:06:26 -06:00
parent f871723edf
commit c8b83cd72d
1 changed files with 9 additions and 2 deletions
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11
utility.lua
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@ -11,7 +11,7 @@ hopper.get_registered_inventories_for = function(target_node_name)
if output ~= nil then return output end
local target_def = minetest.registered_nodes[target_node_name]
if target_def.groups == nil then return nil end
if target_def == nil or target_def.groups == nil then return nil end
for group, value in pairs(target_def.groups) do
local registered_group = hopper.groups[group]
@ -75,6 +75,10 @@ hopper.take_item_from = function(hopper_pos, target_pos, target_node, target_inv
if target_inventory_name == nil then
return
end
local target_def = minetest.registered_nodes[target_node.name]
if not target_def then
return
end
--hopper inventory
local hopper_meta = minetest.get_meta(hopper_pos);
@ -84,7 +88,6 @@ hopper.take_item_from = function(hopper_pos, target_pos, target_node, target_inv
--source inventory
local target_inv = minetest.get_meta(target_pos):get_inventory()
local target_inv_size = target_inv:get_size(target_inventory_name)
local target_def = minetest.registered_nodes[target_node.name]
if target_inv:is_empty(target_inventory_name) == false then
for i = 1,target_inv_size do
local stack = target_inv:get_stack(target_inventory_name, i)
@ -113,6 +116,10 @@ end
hopper.send_item_to = function(hopper_pos, target_pos, target_node, target_inventory_name, filtered_items)
local hopper_meta = minetest.get_meta(hopper_pos)
local target_def = minetest.registered_nodes[target_node.name]
if not target_def then
return false
end
local eject_item = hopper.config.eject_button_enabled and hopper_meta:get_string("eject") == "true" and target_def.buildable_to
if not eject_item and not target_inventory_name then