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author | 0gb.us <0gb.us@0gb.us> | 2013-03-28 01:24:48 -0700 |
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committer | kwolekr <kwolekr@minetest.net> | 2013-03-29 14:18:51 -0400 |
commit | 02cbb5810774ec0d8eb43b6cd5796a3d43878fe1 (patch) | |
tree | f0d1c3ddea7cb8101d7211545dd912684838fa2c | |
parent | 5b854f95d2144710493520151aafc48a887ac1b3 (diff) | |
download | minetest-02cbb5810774ec0d8eb43b6cd5796a3d43878fe1.tar.gz minetest-02cbb5810774ec0d8eb43b6cd5796a3d43878fe1.tar.bz2 minetest-02cbb5810774ec0d8eb43b6cd5796a3d43878fe1.zip |
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.
-rw-r--r-- | builtin/item.lua | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/builtin/item.lua b/builtin/item.lua index 1349fdf63..8e2f75a1a 100644 --- a/builtin/item.lua +++ b/builtin/item.lua @@ -129,11 +129,18 @@ function minetest.item_place_node(itemstack, placer, pointed_thing) end local under = pointed_thing.under - local oldnode_under = minetest.env: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.env:get_node(above) local olddef_above = ItemStack({name=oldnode_above.name}):get_definition() olddef_above = olddef_above or minetest.nodedef_default |