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added error message to prevent a crash if something went wrong with a newly setup box

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Sokomine 2015-12-20 20:37:10 +01:00
parent 900b4354dd
commit 4779487156
1 changed files with 13 additions and 0 deletions
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13
init.lua
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@ -483,6 +483,19 @@ travelnet.on_receive_fields = function(pos, formname, fields, player)
end
end
if( not( owner_name )
or not( station_network )
or not( travelnet.targets )
or not( travelnet.targets[ owner_name ] )
or not( travelnet.targets[ owner_name ][ station_network ] )) then
minetest.chat_send_player(name, "Error: This travelnet is lacking data and/or improperly configured.");
print( "ERROR: The travelnet at "..minetest.pos_to_string( pos ).." has a problem: "..
" DATA: owner: "..( owner_name or "?")..
" station_name: "..(station_name or "?")..
" station_network: "..(station_network or "?")..".");
return;
end
local this_node = minetest.get_node( pos );
if( this_node ~= nil and this_node.name == 'travelnet:elevator' ) then
for k,v in pairs( travelnet.targets[ owner_name ][ station_network ] ) do