439 lines
15 KiB
Lua
439 lines
15 KiB
Lua
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-- TODO: fix nodeboxes
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-- TODO: require priv to place box
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local MAX_STATIONS_PER_NETWORK = 24;
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travelnet = {};
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travelnet.targets = {};
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-- TODO: save and restore ought to be library functions and not implemented in each individual mod!
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-- called whenever a station is added or removed
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travelnet.save_data = function()
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local data = minetest.serialize( travelnet.targets );
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local path = minetest.get_worldpath().."/mod_travelnet.data";
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local file = io.open( path, "w" );
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if( file ) then
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file:write( data );
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file:close();
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else
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print("[Mod travelnet] Error: Savefile '"..tostring( path ).."' could not be written.");
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end
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end
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travelnet.restore_data = function()
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local path = minetest.get_worldpath().."/mod_travelnet.data";
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local file = io.open( path, "r" );
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if( file ) then
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local data = file:read("*all");
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travelnet.targets = minetest.deserialize( data );
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file:close();
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else
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print("[Mod travelnet] Error: Savefile '"..tostring( path ).."' not found.");
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end
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end
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travelnet.update_formspec = function( pos, puncher_name )
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local meta = minetest.env:get_meta(pos);
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if( not( meta )) then
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return;
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end
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local owner_name = meta:get_string( "owner" );
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local station_name = meta:get_string( "station_name" );
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local station_network = meta:get_string( "station_network" );
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if( not( owner_name )
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or not( station_name )
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or not( station_network )) then
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minetest.chat_send_player(puncher_name, "DEBUG DATA: owner: "..(owner_name or "?")..
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" station_name: "..(station_name or "?")..
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" station_network: "..(station_network or "?")..".");
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-- minetest.chat_send_player(puncher_name, "data: "..minetest.serialize( travelnet.targets ));
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meta:set_string("infotext", "Travelnet-box (unconfigured)");
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meta:set_string("station_name", "");
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meta:set_string("station_network","");
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meta:set_string("owner", "");
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-- request initinal data
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meta:set_string("formspec",
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"size[12,10]"..
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"field[0.3,3.6;6,0.7;station_name;Name of this station:;"..(station_name or "?").."]"..
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"field[0.3,6.6;6,0.7;station_network;Assign to Network:;"..(station_network or "?").."]"..
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"field[0.3,9.6;6,0.7;owner;Owned by:;"..(owner_name or "?").."]"..
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"button_exit[6.3,3.2;1.7,0.7;station_set;Store]" );
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minetest.chat_send_player(puncher_name, "Error: Update failed! Resetting this box on the travelnet.");
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return;
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end
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-- if the station got lost from the network for some reason (savefile corrupted?) then add it again
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if( not( travelnet.targets[ owner_name ] )
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or not( travelnet.targets[ owner_name ][ station_network ] )
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or not( travelnet.targets[ owner_name ][ station_network ][ station_name ] )) then
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-- first one by this player?
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if( not( travelnet.targets[ owner_name ] )) then
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travelnet.targets[ owner_name ] = {};
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end
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-- first station on this network?
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if( not( travelnet.targets[ owner_name ][ station_network ] )) then
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travelnet.targets[ owner_name ][ station_network ] = {};
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end
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local zeit = meta:get_int("timestamp");
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if( not( zeit) or zeit<100000 ) then
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zeit = os.time();
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end
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-- add this station
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travelnet.targets[ owner_name ][ station_network ][ station_name ] = {pos=pos, timestamp=zeit };
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minetest.chat_send_player(owner_name, "Station '"..station_name.."' has been reattached to the network '"..station_network.."'.");
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end
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-- add name of station + network + owner + update-button
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local formspec = "size[12,10]"..
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"label[3.3,0.0;Travelnet-Box: Punch box to update target list.]"..
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"label[0.3,0.4;Name of this station:]".."label[6.3,0.4;"..(station_name or "?").."]"..
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"label[0.3,0.8;Assigned to Network:]" .."label[6.3,0.8;"..(station_network or "?").."]"..
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"label[0.3,1.2;Owned by:]" .."label[6.3,1.2;"..(owner_name or "?").."]"..
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"label[3.3,1.6;Click on target to travel there:]";
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-- "button_exit[5.3,0.3;8,0.8;do_update;Punch box to update destination list. Click on target to travel there.]"..
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local x = 0;
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local y = 0;
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local i = 0;
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-- collect all station names in a table
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local stations = {};
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for k,v in pairs( travelnet.targets[ owner_name ][ station_network ] ) do
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table.insert( stations, k );
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end
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-- minetest.chat_send_player(puncher_name, "stations: "..minetest.serialize( stations ));
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-- sort the table according to the timestamp (=time the station was configured)
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table.sort( stations, function(a,b) return travelnet.targets[ owner_name ][ station_network ][ a ].timestamp <
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travelnet.targets[ owner_name ][ station_network ][ b ].timestamp end);
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for index,k in ipairs( stations ) do
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if( k ~= station_name ) then
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i = i+1;
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-- new column
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if( y==8 ) then
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x = x+4;
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y = 0;
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end
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formspec = formspec .."button_exit["..(x)..","..(y+2.5)..";4,0.5;target;"..k.."]"
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y = y+1;
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--x = x+4;
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end
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end
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meta:set_string( "formspec", formspec );
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meta:set_string( "infotext", "Station '"..tostring( station_name ).."' on travelnet '"..tostring( station_network )..
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"' (owned by "..tostring( owner_name )..") ready for usage. Right-click to travel, punch to update.");
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minetest.chat_send_player(puncher_name, "The target list of this box on the travelnet has been updated.");
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end
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-- add a new target; meta is optional
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travelnet.add_target = function( station_name, network_name, pos, player_name, meta )
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if( station_name == "" or not(station_name )) then
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minetest.chat_send_player(player_name, "Please provide a name for this station.");
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return;
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end
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if( network_name == "" or not( network_name )) then
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minetest.chat_send_player(player_name, "Please provide the name of the network this station ought to be connected to.");
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return;
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end
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-- first one by this player?
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if( not( travelnet.targets[ player_name ] )) then
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travelnet.targets[ player_name ] = {};
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end
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-- first station on this network?
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if( not( travelnet.targets[ player_name ][ network_name ] )) then
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travelnet.targets[ player_name ][ network_name ] = {};
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end
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-- lua doesn't allow efficient counting here
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local anz = 0;
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for k,v in pairs( travelnet.targets[ player_name ][ network_name ] ) do
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if( k == station_name ) then
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minetest.chat_send_player(player_name, "Error: A station named '"..station_name.."' already exists on this network. Please choose a diffrent name!");
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return;
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end
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-- minetest.chat_send_player(name,"Checing station "..( k ).."..");
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anz = anz + 1;
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end
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-- we don't want too many stations in the same network because that would get confusing when displaying the targets
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if( anz+1 > MAX_STATIONS_PER_NETWORK ) then
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minetest.chat_send_player(player_name, "Error: Network '"..network_name.."' already contains the maximum number (="
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..(MAX_STATIONS_PER_NETWORK)..") of allowed stations per network. Please choose a diffrent/new network name.");
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return;
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end
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-- add this station
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travelnet.targets[ player_name ][ network_name ][ station_name ] = {pos=pos, timestamp=os.time() };
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-- do we have a new node to set up? (and are not just reading from a safefile?)
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if( meta ) then
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minetest.chat_send_player(player_name, "Station '"..station_name.."' has been added to the network '"
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..network_name.."', which now consists of "..( anz+1 ).." station(s).");
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meta:set_string( "station_name", station_name );
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meta:set_string( "station_network", network_name );
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meta:set_string( "owner", player_name );
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meta:set_int( "timestamp", travelnet.targets[ player_name ][ network_name ][ station_name ].timestamp);
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meta:set_string("formspec",
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"size[12,10]"..
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"field[0.3,0.6;6,0.7;station_name;Station:;".. meta:get_string("station_name").."]"..
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"field[0.3,3.6;6,0.7;station_network;Network:;"..meta:get_string("station_network").."]" );
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-- display a list of all stations that can be reached from here
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travelnet.update_formspec( pos, player_name );
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-- save the updated network data in a savefile over server restart
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travelnet.save_data();
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end
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end
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travelnet.on_receive_fields = function(pos, formname, fields, player)
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local meta = minetest.env:get_meta(pos);
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local name = player:get_player_name();
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-- if the box has not been configured yet
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if( meta:get_string("station_network")=="" ) then
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travelnet.add_target( fields.station_name, fields.station_network, pos, name, meta );
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return;
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end
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if( not( fields.target )) then
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minetest.chat_send_player(name, "Please click on the target you want to travel to.");
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return;
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end
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-- if there is something wrong with the data
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local player_name = meta:get_string( "owner" );
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local station_name = meta:get_string( "station_name" );
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local station_network = meta:get_string( "station_network" );
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if( not( player_name )
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or not( station_name )
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or not( station_network )
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or not( travelnet.targets[ player_name ] )
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or not( travelnet.targets[ player_name ][ station_network ] )) then
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minetest.chat_send_player(puncher_name, "Error: There is something wrong with the configuration of this station. "..
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" DEBUG DATA: owner: "..( player_name or "?")..
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" station_name: "..(station_name or "?")..
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" station_network: "..(station_network or "?")..".");
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end
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-- if the target station is gone
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if( not( travelnet.targets[ player_name ][ station_network ][ fields.target ] )) then
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minetest.chat_send_player(name, "Station '"..( fields.target or "?").." does not exist (anymore?) on this network.");
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travelnet.update_formspec( pos, name );
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return;
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end
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minetest.chat_send_player(name, "Initiating transfer to station '"..( fields.target or "?").."'.'");
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-- TODO
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--minetest.sound_play("teleporter_teleport", {pos = pos, gain = 1.0, max_hear_distance = 10,})
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-- transport the player to the target location
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player:moveto( travelnet.targets[ player_name ][ station_network ][ fields.target ].pos, false);
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--minetest.sound_play("teleporter_teleport", {pos = travelnet.targets[ player_name ][ station_network ][ fields.target ].pos, gain = 1.0, max_hear_distance = 10,})
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end
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travelnet.remove_box = function( pos, oldnode, oldmetadata, digger )
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if( not( oldmetadata ) or oldmetadata=="nil" or not(oldmetadata.fields)) then
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return;
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end
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local owner_name = oldmetadata.fields[ "owner" ];
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local station_name = oldmetadata.fields[ "station_name" ];
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local station_network = oldmetadata.fields[ "station_network" ];
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-- station is not known? then just remove it
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if( not( owner_name )
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or not( station_name )
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or not( station_network )
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or not( travelnet.targets[ player_name ] )
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or not( travelnet.targets[ player_name ][ station_network ] )) then
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return;
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end
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travelnet.targets[ player_name ][ station_network ][ station_name ] = nil;
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minetest.chat_send_player( player_name, "Station '"..station_name.."' has been REMOVED from the network '"..station_network.."'.");
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if( digger ~= nil and player_name ~= digger:get_player_name() ) then
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minetest.chat_send_player( digger:get_player_name(), "Station '"..station_name.."' has been REMOVED from the network '"..station_network.."'.");
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end
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-- save the updated network data in a savefile over server restart
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travelnet.save_data();
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end
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minetest.register_node("travelnet:travelnet", {
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description = "Travelnet box",
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drawtype = "nodebox",
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sunlight_propagates = true,
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paramtype = 'light',
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paramtype2 = "facedir",
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selection_box = {
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type = "fixed",
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fixed = { -0.5, -0.5, -0.5, 0.5, 1.5, 0.5 }
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},
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node_box = {
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type = "fixed",
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fixed = {
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{ 0.5, -0.5,-0.5, 0.45, 1.45, 0.5},
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{ 0.45, -0.5, 0.5,-0.5, 1.45, 0.45},
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{-0.45, -0.5,-0.5,-0.45,1.45, 0.5},
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-- {-0.45,-0.5,-0.5,-0.5,1.5, 0.5},
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-- { 0.45,-0.5,-0.5, 0.5,1.5, 0.5},
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-- { -0.5,-0.5, 0.5,0.45,1.5, 0.45},
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--groundplate to stand on
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{ -0.5,-0.5,-0.5,0.5,-0.45, 0.5},
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--roof
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{ -0.5, 1.45,-0.5,0.5, 1.5, 0.5},
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-- control panel
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-- { -0.2, 0.6, 0.3, 0.2, 1.1, 0.5},
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},
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},
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tiles = {
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"default_clay.png", -- view from top
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"default_clay.png", -- view from bottom
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"moreblocks_glowglass.png", -- side
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"moreblocks_glowglass.png", -- side
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"default_brick.png", -- front view
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"default_wood.png", -- backward view
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},
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-- inventory_image = minetest.inventorycube("travelnet_travelnet.png"),
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groups = {choppy=2,dig_immediate=2,attached_node=1},
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after_place_node = function(pos, placer, itemstack)
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local meta = minetest.env:get_meta(pos);
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meta:set_string("infotext", "Travelnet-box (unconfigured)");
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meta:set_string("station_name", "");
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meta:set_string("station_network","");
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meta:set_string("owner", placer:get_player_name() );
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-- request initinal data
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meta:set_string("formspec",
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"size[12,10]"..
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"field[0.3,0.6;6,0.7;station_name;Name of this station:;]"..
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"field[0.3,3.6;6,0.7;station_network;Assign to Network:;]"..
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"button_exit[6.3,3.2;1.7,0.7;station_set;Store]" );
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end,
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on_receive_fields = travelnet.on_receive_fields,
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on_punch = function(pos, node, puncher)
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travelnet.update_formspec(pos, puncher:get_player_name())
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end,
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after_dig_node = function(pos, oldnode, oldmetadata, digger)
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travelnet.remove_box( pos, oldnode, oldmetadata, digger )
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end,
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-- taken from VanessaEs homedecor fridge
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on_place = function(itemstack, placer, pointed_thing)
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local pos = pointed_thing.above;
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if( minetest.env:get_node({x=pos.x, y=pos.y+1, z=pos.z}).name ~= "air" ) then
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minetest.chat_send_player( placer:get_player_name(), 'Not enough vertical space to place the travelnet box!' )
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return;
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end
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return minetest.item_place(itemstack, placer, pointed_thing);
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end,
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})
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minetest.register_craft({
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output = "travelnet:travelnet",
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recipe = {
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{"default:glass", "default:steel_ingot", "default:glass", },
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{"default:glass", "default:mese", "default:glass", },
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{"default:glass", "default:steel_ingot", "default:glass", }
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}
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})
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-- upon server start, read the savefile
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travelnet.restore_data();
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