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added checks to make it more robust

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Joachim Stolberg
2018-12-28 12:13:28 +01:00
parent 09232cb376
commit e8a47f97ce
1 changed files with 12 additions and 9 deletions
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21
tube_api.lua
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@ -97,15 +97,18 @@ local function update3(self, pos, dir1, dir2)
self:infotext(fpos2, fpos1)
-- Translate fpos/fdir pointing to the secondary node into
-- spos/sdir of the secondary node pointing to the tube.
local spos1, sdir1 = get_pos(fpos1,fdir1), Turn180Deg[fdir1]
local spos2, sdir2 = get_pos(fpos2,fdir2), Turn180Deg[fdir2]
self:del_from_cache(spos1, sdir1)
self:del_from_cache(spos2, sdir2)
self:add_to_cache(spos1, sdir1, spos2, sdir2)
self:add_to_cache(spos2, sdir2, spos1, sdir1)
self:update_secondary_node(spos1, sdir1, spos2, sdir2)
self:update_secondary_node(spos2, sdir2, spos1, sdir1)
return dir1, dir2, fpos1, fpos2, fdir1, fdir2, cnt1 or 0, cnt2 or 0
if fpos1 and fpos2 and fdir1 and fdir2 then
local spos1, sdir1 = get_pos(fpos1,fdir1), Turn180Deg[fdir1]
local spos2, sdir2 = get_pos(fpos2,fdir2), Turn180Deg[fdir2]
self:del_from_cache(spos1, sdir1)
self:del_from_cache(spos2, sdir2)
self:add_to_cache(spos1, sdir1, spos2, sdir2)
self:add_to_cache(spos2, sdir2, spos1, sdir1)
self:update_secondary_node(spos1, sdir1, spos2, sdir2)
self:update_secondary_node(spos2, sdir2, spos1, sdir1)
return dir1, dir2, fpos1, fpos2, fdir1, fdir2, cnt1 or 0, cnt2 or 0
end
return dir1, dir2, pos, pos, dir1, dir2, cnt1 or 0, cnt2 or 0
end
end