mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-12-25 02:00:37 +01:00
c1f5523d9e
- The players owning the precious megabuilder privilege will now be able to create, manage, and own an infinite amount of areas by using the boundary manager and the markers
613 lines
21 KiB
Lua
613 lines
21 KiB
Lua
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-- markers are useful for measuring distances and for marking areas
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-- markers are protected from digging by other players for one day
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-- (the protection for the *marker* auto-expires then, and it can be digged)
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markers = {}
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-- stores up to 4 marker positions for each player
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markers.positions = {}
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-- store the positions of that many markers for each player (until server restart)
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markers.MAX_MARKERS = 10;
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-- the protection against digging of the marker by other players expires after this time
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markers.EXPIRE_AFTER = 60*60*24;
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-- self-protected areas can not get higher than 100 blocks
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markers.MAX_HEIGHT = 100;
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-- only areas up to this size (in square meters) can be protected
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markers.MAX_SIZE = 1024; -- 32m * 32m = 1024 m^2
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dofile(minetest.get_modpath("markers").."/areas.lua");
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dofile(minetest.get_modpath("markers").."/marker_stone.lua");
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dofile(minetest.get_modpath("markers").."/land_title_register.lua");
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-- returns the first area found
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markers.get_area_by_pos1_pos2 = function(pos1, pos2)
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for id, area in pairs(areas.areas) do
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if( ((area.pos1.x == pos1.x and area.pos1.z == pos1.z )
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or (area.pos1.x == pos1.x and area.pos1.z == pos2.z )
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or (area.pos1.x == pos2.x and area.pos1.z == pos1.z )
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or (area.pos1.x == pos2.x and area.pos1.z == pos2.z ))
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and((area.pos2.x == pos1.x and area.pos2.z == pos1.z )
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or (area.pos2.x == pos1.x and area.pos2.z == pos2.z )
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or (area.pos2.x == pos2.x and area.pos2.z == pos1.z )
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or (area.pos2.x == pos2.x and area.pos2.z == pos2.z ))) then
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-- at least pos1 needs to have a hight value that fits in
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if( (area.pos1.y <= pos1.y and area.pos2.y >= pos1.y)
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or (area.pos1.y >= pos1.y and area.pos2.y <= pos1.y)) then
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local found = area;
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found[ 'id' ] = id;
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return found;
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end
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end
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end
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return nil;
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end
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-- this function is supposed to return a text string describing the price of the land between po1 and pos2
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-- You can return somethiing like "for free" or "the promise to build anything good" as well as any
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-- real prices in credits or materials - it's really just a text here.
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-- Make sure you do not charge the player more than what you ask here.
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markers.calculate_area_price_text = function( pos1, pos2, playername )
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local price = ( math.abs( pos1.x - pos2.x )+1 )
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* ( math.abs( pos1.z - pos2.z )+1 );
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-- * math.ceil( ( math.abs( pos1.y - pos2.y )+1 )/10);
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return tostring( price )..' credits';
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end
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markers.marker_placed = function( pos, placer, itemstack )
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if( not( pos ) or not( placer )) then
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return;
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end
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local meta = minetest.get_meta( pos );
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local name = placer:get_player_name();
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meta:set_string( 'infotext', 'Marker at '..minetest.pos_to_string( pos )..
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' (placed by '..tostring( name )..'). '..
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'Right-click to update.');
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meta:set_string( 'owner', name );
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-- this allows protection of this particular marker to expire
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meta:set_string( 'time', tostring( os.time()) );
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local txt = '';
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if( not( markers.positions[ name ] ) or #markers.positions[name]<1) then
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markers.positions[ name ] = {};
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markers.positions[ name ][ 1 ] = pos;
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minetest.chat_send_player( name,
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'First marker set to position '..
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minetest.pos_to_string( markers.positions[ name ][ 1 ] )..
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'. Please place a second marker to measure distance. '..
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'Place four markers in a square to define an area.');
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else
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table.insert( markers.positions[ name ], pos );
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local n = #markers.positions[ name ];
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local dx = markers.positions[ name ][ n ].x - markers.positions[ name ][ n-1 ].x;
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local dy = markers.positions[ name ][ n ].y - markers.positions[ name ][ n-1 ].y;
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local dz = markers.positions[ name ][ n ].z - markers.positions[ name ][ n-1 ].z;
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local dir_name = "unknown";
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local d = 0;
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if( dx == 0 and dz > 0 ) then dir_name = "north"; d = math.abs(dz);
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elseif( dx == 0 and dz < 0 ) then dir_name = "south"; d = math.abs(dz);
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elseif( dz == 0 and dx > 0 ) then dir_name = "east"; d = math.abs(dx);
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elseif( dz == 0 and dx < 0 ) then dir_name = "west"; d = math.abs(dx);
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elseif( dx == 0 and dz == 0 and dy > 0 ) then dir_name = "above"; d = math.abs(dy);
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elseif( dx == 0 and dz == 0 and dy < 0 ) then dir_name = "below"; d = math.abs(dy);
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else
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local area = (math.abs( dx )+1)
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* (math.abs( dz )+1);
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local volume = area * (math.abs( dy )+1);
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minetest.chat_send_player( name, 'This marker is at '..
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minetest.pos_to_string( markers.positions[ name ][ n ] )..', while the last one is at '..
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minetest.pos_to_string( markers.positions[ name ][ n-1 ] )..'. Distance (x/y/z): '..
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tostring(math.abs(dx))..'/'..
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tostring(math.abs(dy))..'/'..
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tostring(math.abs(dz))..
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'. Area: '..tostring( area )..' m^2. Volume: '..tostring( volume )..' m^3.');
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end
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-- this marker is aligned to the last one
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if( d > 0 ) then
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minetest.chat_send_player( name, 'Marker placed at '..minetest.pos_to_string( pos )..
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'. Relative to the marker you placed before, this one is '..
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tostring( d )..' m '..dir_name..'.');
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end
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-- do the last 4 markers placed form an area?
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if( #markers.positions[ name ] > 3 ) then
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local count_x_coord = {};
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local count_z_coord = {};
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local anz_x_coord = 0;
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local anz_z_coord = 0;
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local check_failed = 0;
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for i=0,3 do
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local v = markers.positions[ name ][ n-i ].x;
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if( not( count_x_coord[ v ] )) then
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count_x_coord[ v ] = 1;
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anz_x_coord = anz_x_coord + 1;
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elseif( count_x_coord[ v ] == 2 ) then
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check_failed = 1;
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else
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count_x_coord[ v ] = count_x_coord[ v ] + 1;
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end
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v = markers.positions[ name ][ n-i ].z;
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if( not( count_z_coord[ v ] )) then
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count_z_coord[ v ] = 1;
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anz_z_coord = anz_z_coord + 1;
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elseif( count_z_coord[ v ] == 2 ) then
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check_failed = 1;
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else
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count_z_coord[ v ] = count_z_coord[ v ] + 1;
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end
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end
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if( anz_x_coord == 2
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and anz_z_coord == 2
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and check_failed == 0 ) then
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minetest.chat_send_player( name, 'The last four markers you placed form a rectangle. '..
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'Right-click on this marker here in order to protect the area.');
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end
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end
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-- make sure the list does not grow too large
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if( n > markers.MAX_MARKERS and minetest.get_player_privs(name)["megabuilder"] == false) then
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table.remove( markers.positions[ name ], 1 );
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end
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end
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end
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markers.marker_can_dig = function(pos,player)
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if( not( pos ) or not( player )) then
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return true;
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end
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local meta = minetest.get_meta( pos );
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local owner = meta:get_string( 'owner' );
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local time = meta:get_string( 'time' );
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-- can the marker be removed?
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if( not( owner )
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or owner==''
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or not( time )
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or time==''
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or (os.time() - tonumber( time )) > markers.EXPIRE_AFTER ) then
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return true;
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-- marker whose data got lost anyway
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elseif( not( markers.positions[ owner ] )
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or #markers.positions[ owner ] < 1 ) then
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return true;
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-- marker owned by someone else and still in use
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elseif( owner ~= player:get_player_name()) then
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minetest.chat_send_player( player:get_player_name(),
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'Sorry, this marker belongs to '..tostring( owner )..
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'. If you still want to remove it, try again in '..
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( tostring( markers.EXPIRE_AFTER + tonumber( time ) - os.time()))..' seconds.');
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return false;
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end
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return true;
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end
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markers.marker_after_dig_node = function(pos, oldnode, oldmetadata, digger)
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if( not(oldmetadata ) or not(oldmetadata['fields'])) then
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return;
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end
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local owner = oldmetadata['fields']['owner'];
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if( not( owner )
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or owner==''
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or not( markers.positions[ owner ] )
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or #markers.positions[ owner ] < 1 ) then
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return;
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end
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-- remove the markers position from our table of stored positions
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local found = 0;
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for i,v in ipairs( markers.positions[ owner ] ) do
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if( v.x == pos.x
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and v.y == pos.y
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and v.z == pos.z ) then
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found = i;
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end
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end
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if( found ~= 0 ) then
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table.remove( markers.positions[ owner ], found );
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end
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return true;
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end
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markers.get_marker_formspec = function(player, pos, error_msg)
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local formspec = "";
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local meta = minetest.get_meta( pos );
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local owner = meta:get_string( 'owner' );
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local name = player:get_player_name();
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local formspec_info = "size[6,4]"..
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"button_exit[2,2.5;1,0.5;abort;OK]"..
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"textarea[1,1;4,2;info;Information;";
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if( owner ~= nil and owner ~= '' and owner ~= name ) then
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return formspec_info.."This marker\ncan only be used by\n"..tostring( owner )..", who\nplaced the markers.]";
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end
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if( not( markers.positions[ name ]) or #markers.positions[name]<1) then
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return formspec_info.."Information about the positions\nof your other markers\ngot lost.\nPlease dig and place\nyour markers again!]";
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end
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local n = #markers.positions[ name ];
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if( markers.positions[ name ][ n ].x ~= pos.x
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or markers.positions[ name ][ n ].y ~= pos.y
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or markers.positions[ name ][ n ].z ~= pos.z ) then
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return formspec_info.."Please use the marker\nyou placed last\n"..
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"for accessing this menu.\nYou can find said marker at\n"..
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minetest.pos_to_string( markers.positions[ name ][ n ] )..'.]';
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end
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if( n < 4 ) then
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return formspec_info.."Please place 4 markers\n - one in each corner\n of your area - first.]";
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end
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local coords_raw = meta:get_string( 'coords' );
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local coords = {};
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if( coords_raw ~= nil and coords_raw ~= '' ) then
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coords = minetest.deserialize( coords_raw );
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end
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local opposite = n;
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-- the last 4 markers placed ought to form the area
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if( true or #coords ~= 2 ) then -- TODO
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for i=1,3 do
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-- if both coordinates are diffrent, then this may be the opposite marker
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if( ( markers.positions[ name ][ n-i ].x ~=
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markers.positions[ name ][ n ].x )
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and ( markers.positions[ name ][ n-i ].z ~=
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markers.positions[ name ][ n ].z )) then
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opposite = n-i;
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coords = { markers.positions[ name ][ n ],
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markers.positions[ name ][ n-i ] };
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end
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end
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-- check if they fit
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for i=1,3 do
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if(not( ((n-i) == opposite )
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or not(markers.positions[ name ][ n-i ] )
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or ( markers.positions[ name ][ n-i ].x == coords[ 1 ].x
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and markers.positions[ name ][ n-i ].z == coords[ 2 ].z )
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or ( markers.positions[ name ][ n-i ].x == coords[ 2 ].x
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and markers.positions[ name ][ n-i ].z == coords[ 1 ].z ))) then
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return formspec_info.."Error: The last 4 markers\nyou placed do not form\na rectangle.]";
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end
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end
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-- save data
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meta:set_string( 'coords', minetest.serialize( coords ) );
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end
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-- the coordinates are set; we may present an input form now
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-- has the area already been defined?
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local area = markers.get_area_by_pos1_pos2( coords[1], coords[2] );
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local size = (math.abs( coords[1].x - coords[2].x )+1)
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* (math.abs( coords[1].z - coords[2].z )+1);
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-- check if area is too large
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if( markers.MAX_SIZE < size and minetest.get_player_privs(name)["megabuilder"] == false) then
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return formspec_info.."Error: You can only protect\nareas of up to "..tostring( markers.MAX_SIZE ).."m^2.\n"..
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"Your marked area is "..tostring( size ).." m^2 large.]";
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end
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local formspec = 'size[10,7]'..
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'label[0.5,1;The area you marked extends from]'..
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'label[4.7,1;'..minetest.pos_to_string( coords[ 1 ] )..' to '..minetest.pos_to_string( coords[ 2 ] )..'.]'..
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'label[4.7,1.5;It spans '..tostring( math.abs( coords[1].x - coords[2].x )+1 )..
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' x '..tostring( math.abs( coords[1].z - coords[2].z )+1 )..
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' = '..tostring( size )..' m^2.]';
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-- display the error message (if there is any)
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if( error_msg ~= nil ) then
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formspec = formspec..
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'label[0.5,0.0;Error: ]'..
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'textarea[5.0,0;4,1.5;info;;'..error_msg..']';
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end
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if( area and area['id'] ) then
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formspec = formspec..
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'label[0.5,2.0;This is area number ]'..
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'label[4.7,2.0;'..tostring( area['id'] )..'.]'..
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'label[0.5,2.5;It is owned by ]'..
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'label[4.7,2.5;'..tostring( area['owner'] )..'.]'..
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'label[0.5,3.0;The area is called ]'..
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'label[4.7,3.0;'..tostring( area['name'] )..'.]'..
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"button_exit[2,6.0;2,0.5;abort;OK]";
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else
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formspec = formspec..
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'label[0.5,2.0;Buying this area will cost you ]'..
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'label[4.7,2.0;'..markers.calculate_area_price_text( coords[1], coords[2], name )..'.]'..
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'label[0.5,3.0;Your area ought to go..]'..
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'label[0.5,3.5;this many blocks up:]'..
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'field[5.0,4.0;1,0.5;add_height;;40]'..
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'label[6.0,3.5;(relative to this marker)]'..
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'label[0.5,4.0;and this many blocks down:]'..
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'field[5.0,4.5;1,0.5;add_depth;;10]'..
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'label[6.0,4.0;(relative to this marker)]'..
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'label[0.5,4.5;The area shall be named]'..
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'field[5.0,5.0;6,0.5;set_area_name;;please enter a name]'..
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"button_exit[2,6.0;2,0.5;abort;Abort]"..
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-- code the position in the "Buy area" field
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"button_exit[6,6.0;2,0.5;"..minetest.pos_to_string(pos)..";Buy area]";
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end
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return formspec;
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end
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-- protect/buy an area
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markers.marker_on_receive_fields = function(pos, formname, fields, sender)
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if( not( pos )) then
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minetest.chat_send_player( name, 'Sorry, could not find the marker you where using to access this formspec.' );
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return;
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end
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local meta = minetest.get_meta( pos );
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local name = sender:get_player_name();
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local coords_string = meta:get_string( 'coords' );
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if( not( coords_string ) or coords_string == '' ) then
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minetest.chat_send_player( name, 'Could not find marked area. Please dig and place your markers again!');
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return;
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end
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local coords = minetest.deserialize( coords_string );
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-- do not protect areas twice
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local area = markers.get_area_by_pos1_pos2( coords[1], coords[2] );
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if( area ) then
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minetest.chat_send_player( name, 'This area is already protected.');
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return;
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end
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-- check input
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local add_height = tonumber( fields['add_height'] );
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local add_depth = tonumber( fields['add_depth'] );
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local error_msg = '';
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if( not( add_height ) or add_height < 0 or (add_height > markers.MAX_HEIGHT and minetest.get_player_privs(name)["megabuilder"] == false)) then
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minetest.chat_send_player( name, 'Please enter a number between 0 and '..tostring( markers.MAX_HEIGHT )..
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' in the field where the height of your area is requested. Your area will stretch that many blocks '..
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'up into the sky from the position of this marker onward.');
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error_msg = 'The height value\nhas to be larger than 0\nand smaller than '..tostring( markers.MAX_HEIGHT );
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elseif( not( add_depth ) or add_depth < 0 or (add_depth > markers.MAX_HEIGHT and minetest.get_player_privs(name)["megabuilder"] == false)) then
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minetest.chat_send_player( name, 'Please enter a number between 0 and '..tostring( markers.MAX_HEIGHT )..
|
|
' in the field where the depth of your area is requested. Your area will stretch that many blocks '..
|
|
'into the ground from the position of this marker onward.');
|
|
error_msg = 'The depth value\nhas to be larger than 0\nand smaller than '..tostring( markers.MAX_HEIGHT );
|
|
|
|
elseif( add_height + add_depth > markers.MAX_HEIGHT ) and minetest.get_player_privs(name)["megabuilder"] == false then
|
|
minetest.chat_send_player( name, 'Sorry, your area exceeds the height limit. Height and depth added have to '..
|
|
'be smaller than '..tostring( markers.MAX_HEIGHT )..'.');
|
|
error_msg = 'height + depth has to\nbe smaller than '..tostring( markers.MAX_HEIGHT )..'.'
|
|
|
|
elseif( not( fields[ 'set_area_name' ] ) or fields['set_area_name'] == 'please enter a name' ) then
|
|
minetest.chat_send_player( name, 'Please provide a name for your area, i.e. \"'..
|
|
tostring( name )..'s first house\" The name ought to describe what you intend to build here.');
|
|
error_msg = 'Please provide a\nname for your area!';
|
|
|
|
else
|
|
error_msg = nil;
|
|
end
|
|
|
|
|
|
if( error_msg ~= nil ) then
|
|
minetest.show_formspec( name, "markers:mark", markers.get_marker_formspec(sender, pos, error_msg));
|
|
return;
|
|
end
|
|
|
|
|
|
-- those coords lack the height component
|
|
local pos1 = coords[1];
|
|
local pos2 = coords[2];
|
|
-- apply height values from the formspeck
|
|
pos1.y = pos.y + add_height;
|
|
pos2.y = pos.y - add_depth;
|
|
|
|
pos1, pos2 = areas:sortPos( pos1, pos2 );
|
|
|
|
--minetest.chat_send_player('singleplayer','INPUT: '..minetest.serialize( pos1 )..' pos2: '..minetest.serialize( pos2 ));
|
|
minetest.log("action", "[markers] /protect invoked, owner="..name..
|
|
" areaname="..fields['set_area_name']..
|
|
" startpos="..minetest.pos_to_string(pos1)..
|
|
" endpos=" ..minetest.pos_to_string(pos2));
|
|
|
|
local canAdd, errMsg = areas:canPlayerAddArea(pos1, pos2, name)
|
|
if not canAdd then
|
|
minetest.chat_send_player(name, "You can't protect that area: "..errMsg)
|
|
minetest.show_formspec( name, "markers:mark", markers.get_marker_formspec(sender, pos, errMsg));
|
|
return
|
|
end
|
|
|
|
local id = areas:add(name, fields['set_area_name'], pos1, pos2, nil)
|
|
areas:save()
|
|
|
|
minetest.chat_send_player(name, "Area protected. ID: "..id)
|
|
|
|
minetest.show_formspec( name, "markers:mark", markers.get_marker_formspec(sender, pos, nil));
|
|
end
|
|
|
|
|
|
|
|
-- formspec input needs to be handled diffrently
|
|
markers.form_input_handler = function( player, formname, fields)
|
|
|
|
if( formname == "markers:mark" ) then
|
|
|
|
|
|
if( not(fields) or fields['abort']) then
|
|
return true;
|
|
end
|
|
|
|
--- decode the position of the marker (which is hidden in the Buy-buttons name
|
|
local pos = {};
|
|
for k, v in pairs( fields ) do
|
|
if( v == 'Buy area' ) then
|
|
pos = minetest.string_to_pos( k );
|
|
end
|
|
end
|
|
if( pos and pos.x and pos.y and pos.z ) then
|
|
markers.marker_on_receive_fields(pos, formname, fields, player);
|
|
end
|
|
return true;
|
|
|
|
|
|
elseif( formname == "markers:info"
|
|
and player
|
|
and markers.menu_data_by_player[ player:get_player_name() ] ) then
|
|
|
|
local res = markers.form_input_handler_areas( player, formname, fields);
|
|
if( res ) then
|
|
return true;
|
|
end
|
|
|
|
-- TODO
|
|
-- minetest.chat_send_player('singleplayer','MARKERS:INFO WITH '..minetest.serialize( fields ));
|
|
|
|
else
|
|
-- TODO
|
|
-- minetest.chat_send_player('singleplayer','YOU CALLED '..tostring( formname )..' WITH '..minetest.serialize( fields ));
|
|
|
|
end
|
|
|
|
return false;
|
|
|
|
end
|
|
|
|
minetest.register_on_player_receive_fields( markers.form_input_handler)
|
|
|
|
|
|
|
|
|
|
minetest.register_node("markers:mark", {
|
|
description = "Marker",
|
|
tiles = {"markers_mark.png"},
|
|
drawtype = "nodebox",
|
|
paramtype = "light",
|
|
paramtype2 = "facedir",
|
|
groups = {snappy=2,choppy=2,dig_immediate=3},
|
|
light_source = 1,
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{ -0.1, -0.5, -0.1, 0.1, 1.5, 0.1 },
|
|
},
|
|
},
|
|
|
|
after_place_node = function(pos, placer, itemstack)
|
|
markers.marker_placed( pos, placer, itemstack );
|
|
end,
|
|
|
|
-- the node is digged immediately, so we may as well do all the work in can_dig (any wrong digs are not that critical)
|
|
can_dig = function(pos,player)
|
|
return markers.marker_can_dig( pos, player );
|
|
end,
|
|
|
|
after_dig_node = function(pos, oldnode, oldmetadata, digger)
|
|
return markers.marker_after_dig_node( pos, oldnode, oldmetadata, digger );
|
|
end,
|
|
|
|
on_rightclick = function(pos, node, clicker)
|
|
|
|
minetest.show_formspec( clicker:get_player_name(),
|
|
"markers:mark",
|
|
markers.get_marker_formspec(clicker, pos, nil)
|
|
);
|
|
end,
|
|
})
|
|
|
|
|
|
minetest.register_craft({
|
|
output = "markers:mark 4",
|
|
recipe = { { "group:stick" },
|
|
{ "default:apple" },
|
|
{ "group:stick" },
|
|
} });
|
|
|