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machines/HV/quarry.lua: [modification] provide a basic digger object to can_dig callbacks to prevent nil object errors (#425)

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Minetest game's doors mod was known to cause server errors when passed a nil digger in it's can_dig callback,
due to always attempting to invoke digger:get_player_name().
Fix this by providing a basic fake player which provides this method to can_dig callbacks.
(It should be noted that currently this fix causes doors to be undiggable by quarries.)
This commit is contained in:
thetaepsilon-gamedev 2018-05-19 21:06:00 +01:00 committed by Nathanaël Courant
parent 689766f15a
commit c93bfefd9f
1 changed files with 11 additions and 1 deletions
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12
technic/machines/HV/quarry.lua
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@ -145,7 +145,17 @@ local function quarry_run(pos, node)
if can_dig then
dignode = technic.get_or_load_node(digpos) or minetest.get_node(digpos)
local dignodedef = minetest.registered_nodes[dignode.name] or {diggable=false}
if not dignodedef.diggable or (dignodedef.can_dig and not dignodedef.can_dig(digpos, nil)) then
-- doors mod among other thing does NOT like a nil digger...
local fakedigger = {
get_player_name = function()
return "!technic_quarry_fake_digger"
end,
is_player = function() return false end,
get_wielded_item = function()
return ItemStack("air")
end,
}
if not dignodedef.diggable or (dignodedef.can_dig and not dignodedef.can_dig(digpos, fakedigger)) then
can_dig = false
end
end