APercy/travelnet
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data is now saved

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Sokomine 2013-02-16 05:32:29 +01:00
parent 68387b4fdd
commit 6ad5298371
1 changed files with 81 additions and 5 deletions
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86
init.lua
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@ -5,10 +5,41 @@ travelnet = {};
travelnet.targets = {};
travelnet.get_targets = function()
-- TODO: save and restore ought to be library functions and not implemented in each individual mod!
-- called whenever a station is added or removed
travelnet.save_data = function()
local data = minetest.serialize( travelnet.targets );
local path = minetest.get_worldpath().."/mod_travelnet.data";
local file = io.open( path, "w" );
if( file ) then
file:write( data );
file:close();
else
print("[Mod travelnet] Error: Savefile '"..tostring( path ).."' could not be written.");
end
end
travelnet.restore_data = function()
local path = minetest.get_worldpath().."/mod_travelnet.data";
local file = io.open( path, "r" );
if( file ) then
local data = file:read("*all");
travelnet.targets = minetest.deserialize( data );
file:close();
else
print("[Mod travelnet] Error: Savefile '"..tostring( path ).."' not found.");
end
end
travelnet.update_formspec = function( pos, puncher_name )
local meta = minetest.env:get_meta(pos);
@ -32,7 +63,7 @@ travelnet.update_formspec = function( pos, puncher_name )
-- minetest.chat_send_player(puncher_name, "data: "..minetest.serialize( travelnet.targets ));
meta:set_string("infotext", "Travel-box (unconfigured)");
meta:set_string("infotext", "Travelnet-box (unconfigured)");
meta:set_string("station_name", "");
meta:set_string("station_network","");
meta:set_string("owner", "");
@ -79,7 +110,7 @@ travelnet.update_formspec = function( pos, puncher_name )
-- add name of station + network + owner + update-button
local formspec = "size[12,10]"..
"label[3.3,0.0;Travel-Box: Punch box to update target list.]"..
"label[3.3,0.0;Travelnet-Box: Punch box to update target list.]"..
"label[0.3,0.4;Name of this station:]".."label[6.3,0.4;"..(station_name or "?").."]"..
"label[0.3,0.8;Assigned to Network:]" .."label[6.3,0.8;"..(station_network or "?").."]"..
"label[0.3,1.2;Owned by:]" .."label[6.3,1.2;"..(owner_name or "?").."]"..
@ -121,6 +152,9 @@ travelnet.update_formspec = function( pos, puncher_name )
meta:set_string( "formspec", formspec );
meta:set_string( "infotext", "Station '"..tostring( station_name ).."' on travelnet '"..tostring( station_network )..
"' (owned by "..tostring( owner_name )..") ready for usage. Right-click to travel, punch to update.");
minetest.chat_send_player(puncher_name, "The target list of this box on the travelnet has been updated.");
end
@ -192,6 +226,9 @@ travelnet.add_target = function( station_name, network_name, pos, player_name, m
-- display a list of all stations that can be reached from here
travelnet.update_formspec( pos, player_name );
-- save the updated network data in a savefile over server restart
travelnet.save_data();
end
end
@ -256,11 +293,44 @@ travelnet.on_receive_fields = function(pos, formname, fields, player)
end
travelnet.remove_box = function( pos, oldnode, oldmetadata, digger )
if( not( oldmetadata ) or oldmetadata=="nil" or not(oldmetadata.fields)) then
return;
end
local owner_name = oldmetadata.fields[ "owner" ];
local station_name = oldmetadata.fields[ "station_name" ];
local station_network = oldmetadata.fields[ "station_network" ];
-- station is not known? then just remove it
if( not( owner_name )
or not( station_name )
or not( station_network )
or not( travelnet.targets[ player_name ] )
or not( travelnet.targets[ player_name ][ station_network ] )) then
return;
end
travelnet.targets[ player_name ][ station_network ][ station_name ] = nil;
minetest.chat_send_player( player_name, "Station '"..station_name.."' has been REMOVED from the network '"..station_network.."'.");
if( digger ~= nil and player_name ~= digger:get_player_name() ) then
minetest.chat_send_player( digger:get_player_name(), "Station '"..station_name.."' has been REMOVED from the network '"..station_network.."'.");
end
-- save the updated network data in a savefile over server restart
travelnet.save_data();
end
minetest.register_node("travelnet:travelnet", {
description = "Travel box",
description = "Travelnet box",
drawtype = "nodebox",
sunlight_propagates = true,
@ -316,7 +386,7 @@ minetest.register_node("travelnet:travelnet", {
after_place_node = function(pos, placer, itemstack)
local meta = minetest.env:get_meta(pos);
meta:set_string("infotext", "Travel-box (unconfigured)");
meta:set_string("infotext", "Travelnet-box (unconfigured)");
meta:set_string("station_name", "");
meta:set_string("station_network","");
meta:set_string("owner", placer:get_player_name() );
@ -332,7 +402,13 @@ minetest.register_node("travelnet:travelnet", {
on_punch = function(pos, node, puncher)
travelnet.update_formspec(pos, puncher:get_player_name())
end,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
travelnet.remove_box( pos, oldnode, oldmetadata, digger )
end,
})
-- upon server start, read the savefile
travelnet.restore_data();