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Fix node replacement in not-quite-loaded chunks 

When first entering an area, sometimes placing nodes replaces other
nodes that are not buildable_to. This seems to be caused by the fact
that nodes in unloaded map blocks are treated as ignore, a node that is
buildable_to. This fixes that, by using get_node_or_nil() instead of the
previously-used get_node(), then checking to see if the nodes were
actually loaded before replacing.
master
kwolekr 2013-11-30 17:42:56 -05:00 committed by Vanessa Ezekowitz
parent f60813cc55
commit f7c37ea11c
1 changed files with 12 additions and 3 deletions
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15
mods/core/place.lua
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@ -6,11 +6,20 @@ function minetest.item_place_node(itemstack, placer, pointed_thing)
end
local under = pointed_thing.under
local oldnode_under = minetest.get_node(under)
local oldnode_under = minetest.env:get_node_or_nil(under)
local above = pointed_thing.above
local oldnode_above = minetest.env:get_node_or_nil(above)
if not oldnode_under or not oldnode_above then
minetest.log("info", placer:get_player_name() .. " tried to place"
.. " node in unloaded position " .. minetest.pos_to_string(above))
return itemstack
end
local olddef_under = ItemStack({name=oldnode_under.name}):get_definition()
olddef_under = olddef_under or minetest.nodedef_default
local above = pointed_thing.above
local oldnode_above = minetest.get_node(above)
local olddef_above = ItemStack({name=oldnode_above.name}):get_definition()
olddef_above = olddef_above or minetest.nodedef_default