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Pointed_thing_to_face_pos: Avoid crash when player is inside a node (#7342)

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Avoid crash in some situations when player is inside a node, causing
'above' to equal 'under'.
In this situation return 'under' which is the node position very close
to the face position that would normally be returned.
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Paramat 2018-05-16 20:49:46 +01:00 committed by GitHub
parent 04f79623a7
commit 45e48295d2
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1 changed files with 6 additions and 0 deletions
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6
builtin/common/misc_helpers.lua
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@ -685,6 +685,12 @@ end
-- Returns the exact coordinate of a pointed surface -- Returns the exact coordinate of a pointed surface
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
function core.pointed_thing_to_face_pos(placer, pointed_thing) function core.pointed_thing_to_face_pos(placer, pointed_thing)
-- Avoid crash in some situations when player is inside a node, causing
-- 'above' to equal 'under'.
if vector.equals(pointed_thing.above, pointed_thing.under) then
return pointed_thing.under
end
local eye_height = placer:get_properties().eye_height local eye_height = placer:get_properties().eye_height
local eye_offset_first = placer:get_eye_offset() local eye_offset_first = placer:get_eye_offset()
local node_pos = pointed_thing.under local node_pos = pointed_thing.under