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mirror of https://github.com/Sokomine/markers.git synced 2024-11-15 14:50:24 +01:00
markers/raz.lua
2019-04-13 22:15:11 +02:00

947 lines
32 KiB
Lua

--+++++++++++++++++++++++++++++++++++++++
--
-- convert_to_areas
-- get region datatable from id and
-- makes an area table
--
--+++++++++++++++++++++++++++++++++++++++
-- input: region ID
-- msg/error handling: no
-- returns this_area as table in the area-format
function markers:convert_to_areas(id)
local this_area = {}
local pos1,pos2,data = raz:get_region_data_by_id(id)
this_area[ 'id' ] = id
this_area[ 'owner' ] = data.owner
this_area[ 'name' ] = data.region_name
this_area[ 'pos1' ] = pos1
this_area[ 'pos2' ] = pos2
this_area[ 'guests' ] = raz:convert_string_to_table(data.guests, ",")
return this_area
end
--+++++++++++++++++++++++++++++++++++++++
--
-- check_region_mark
-- checks if pname is owner of an region and has the correct privileg
-- or is region_admin
--
--+++++++++++++++++++++++++++++++++++++++
-- input: region ID
-- msg/error handling: no
-- returns true - is owner with privileg or region_admin
function markers:check_region_mark(pname, owner)
if( owner == pname and minetest.check_player_privs(pname, { region_mark = true }) )
or minetest.check_player_privs(pname, { region_admin = true }) then
return true;
end
return false
end
--+++++++++++++++++++++++++++++++++++++++
--
-- check_region_mark
-- checks if pname is owner of an region and has the correct privileg
-- or is region_admin
--
--+++++++++++++++++++++++++++++++++++++++
-- input: region ID
-- msg/error handling: no
-- returns true - is owner with privileg or region_admin
function markers:check_region_set(pname, owner)
if( owner == pname and minetest.check_player_privs(pname, { region_set = true }) )
or minetest.check_player_privs(pname, { region_admin = true }) then
return true;
end
return false
end
--+++++++++++++++++++++++++++++++++++++++
--
-- get area by pos1 uand pos2
-- looks for the region in the pos1-pos2 zone
--
--+++++++++++++++++++++++++++++++++++++++
-- input: pos1, pos2 as vector (table)
-- returns the first area found
-- msg/error handling: no
-- return nil if the is no area
-- return area-table with id of the first found area
markers.get_area_by_pos1_pos2 = function(pos1, pos2)
local found_id = raz:get_area_by_pos1_pos2(pos1, pos2)
if found_id ~= nil then
local return_table = markers:convert_to_areas(found_id)
return return_table
else
return nil
end
end
-----------------------------------------
--
-- player can add region
--
-----------------------------------------
-- check ich name has the privileg
-- pos1 and pos2 are not in an other region
-- the player/name has less when MAX-Regions set
-- msg/error handling:
-- return false, err-text
-- return true, nil
function markers:player_can_add_region(pos1, pos2, name)
if not minetest.check_player_privs(name, { region_mark = true }) then
return false, "You dont have the privileg 'region_mark' "
end
if raz:get_area_by_pos1_pos2(pos1, pos2) ~= nil then
return false, "The pos1,pos2 are in an other region! - You can not mark the region."
end
return true, nil
end
-- protect an region
markers.marker_on_receive_fields = function(pos, formname, fields, sender)
if( not( pos )) then
minetest.log("action", "[" .. markers.modname .. "] markers.marker_on_receive_fields nor )pos) sender = "..tostring(sender) )
minetest.chat_send_player( name, 'Sorry, could not find the marker you where using to access this formspec.' );
return;
end
local meta = minetest.get_meta( pos );
local name = sender:get_player_name();
local coords_string = meta:get_string( 'coords' );
if( not( coords_string ) or coords_string == '' ) then
minetest.chat_send_player( name, 'Could not find marked area. Please dig and place your markers again!');
return;
end
local coords = minetest.deserialize( coords_string );
-- do not protect areas twice
local area = markers.get_area_by_pos1_pos2( coords[1], coords[2] );
if( area ) then
minetest.log("action", "[" .. markers.modname .. "] markers.marker_on_receive_fields area = :"..tostring(area) )
minetest.chat_send_player( name, 'This area is already protected.');
return;
end
-- check input
local add_height = tonumber( fields['add_height'] );
local add_depth = tonumber( fields['add_depth'] );
local error_msg = '';
if( not( add_height ) or add_height < 0 or add_height > markers.MAX_HEIGHT ) then
minetest.chat_send_player( name, 'Please enter a number between 0 and '..tostring( markers.MAX_HEIGHT )..
' in the field where the height of your area is requested. Your area will stretch that many blocks '..
'up into the sky from the position of this marker onward.');
error_msg = 'The height value\nhas to be larger than 0\nand smaller than '..tostring( markers.MAX_HEIGHT );
elseif( not( add_depth ) or add_depth < 0 or add_depth > markers.MAX_HEIGHT ) then
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 ) 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 = pos1.y - add_depth;
pos2.y = pos2.y + add_height;
-- sort pos1 and pos2
pos1, pos2 = markers:sortPos( pos1, 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 = markers:player_can_add_region(pos1, pos2, name)
if canAdd == false then
minetest.chat_send_player(name, "You can't protect that area: "..tostring(errMsg))
minetest.show_formspec( name, "markers:mark", markers.get_marker_formspec(sender, pos, errMsg));
return
end
local data = raz:create_data(name,fields['set_area_name'],true)
local id = raz:set_region(pos1,pos2,data)
minetest.chat_send_player(name, "Area protected. ID: "..tostring(id))
minetest.show_formspec( name, "markers:mark", markers.get_marker_formspec(sender, pos, nil));
end
-- Temporary compatibility function - see minetest PR#1180
if not vector.interpolate then
vector.interpolate = function(pos1, pos2, factor)
return {x = pos1.x + (pos2.x - pos1.x) * factor,
y = pos1.y + (pos2.y - pos1.y) * factor,
z = pos1.z + (pos2.z - pos1.z) * factor}
end
end
-- taken from mobf
--local COLOR_RED = "#FF0000";
--local COLOR_GREEN = "#00FF00";
--local COLOR_WHITE = "#FFFFFF";
-- we need to store which list we present to which player
markers.menu_data_by_player = {}
markers.get_area_by_pos = function(pos)
local found_areas = raz.raz_store:get_areas_for_pos(pos) --{};
return found_areas;
end
-- ppos: current player (or marker stone) position - used for sorting the list
-- mode: can be pos, player, all, subarea, main_areas
-- mode_data: content depends on mode
-- selected: display information about the area the player single-clicked on
markers.get_area_list_formspec = function(ppos, player, mode, pos, mode_data, selected )
local id_list = {};
local title = '???';
local tlabel = '';
-- expects a position in mode_data
if( mode=='pos' ) then
-- title would be too long for a label
title = 'All areas which contain position..';
tlabel = '<'..minetest.pos_to_string( mode_data )..'>:';
id_list = raz.raz_store:get_areas_for_pos(pos)
-- expects a playername in mode_data
elseif( mode=='player' ) then
title = 'All areas owned by player..';
tlabel = '<'..tostring( mode_data )..'>:';
local counter = 0
local data = {}
while raz.raz_store:get_area(counter) do
data = raz:get_region_datatable(counter)
if( data.owner == mode_data ) then
table.insert( id_list, counter );
end
counter = counter + 1
end
-- expects an area_id in mode_data
elseif( mode=='subareas' ) then
minetest.log("error", "[" .. markers.modname .. "] {markers.get_area_list_formspec} there are no subareas in raz-mod.")
-- show only regions that do have parent attribute = true
elseif( mode=='main_areas' ) then
title = 'All parent region withhin '..tostring( markers.AREA_RANGE )..' m:';
tlabel = '*all parent regions *';
local counter = 0
local data = {}
while raz.raz_store:get_area(counter) do
data = raz:get_region_datatable(counter)
if( data.parent == true ) then
table.insert( id_list, counter );
end
counter = counter + 1
end
-- show all regions
elseif( mode=='all' ) then
title = 'All regions withhin '..tostring( markers.AREA_RANGE )..' m:';
tlabel = '*all regions*';
local counter = 0
local data = {}
while raz.raz_store:get_area(counter) do
table.insert( id_list, counter );
counter = counter + 1
end
end
-- Sort the list of regions so the nearest comes first
local nearsorter = function(a, b)
return vector.distance(vector.interpolate(raz.raz_store:get_area(a).min, raz.raz_store:get_area(a).max, 0.5), ppos) <
vector.distance(vector.interpolate(raz.raz_store:get_area(b).min, raz.raz_store:get_area(b).max, 0.5), ppos)
end
table.sort(id_list, nearsorter)
local formspec = 'size[10,9]';
title = minetest.formspec_escape( title );
tlabel = minetest.formspec_escape( tlabel );
formspec = formspec..
"label[0.5,0;"..title.."]"..
"label[4.7,0;"..tlabel.."]"..
"label[0.5,8.5;Doubleclick to select area.]"..
"label[4.7,8.5;Areas found: "..tostring( #id_list )..".]"..
"textlist[0.5,0.5;7,8;markers_area_list_selection;";
local liste = '';
local liste_string = ""
for i,v in ipairs( id_list ) do
if( liste ~= '' ) then
liste = liste..',';
end
list_string = "ID = "..v.." - "..raz:get_region_attribute(v, "region_name")
liste = liste..minetest.formspec_escape( list_string )
end
-- highlight selected entry
if( selected ) then
formspec = formspec..liste..';'..selected..';false]';
else
formspec = formspec..liste..';]';
end
local pname = player:get_player_name();
if( not( markers.menu_data_by_player[ pname ] )) then
markers.menu_data_by_player[ pname ] = {};
end
-- display information about the location of the area the player clicked on
if( selected
and id_list[ selected ]
and raz.raz_store:get_area( id_list[ selected ]) ) then
local this_area = markers:convert_to_areas( id_list[ selected ]);
formspec = formspec..
markers.show_compass_marker( 8.5, 3.0, false, pos, this_area.pos1, this_area.pos2 );
if( mode=='player' ) then
formspec = formspec..
'label[8.0,1.5;'..
minetest.formspec_escape( this_area.owner..'\'s areas')..']';
else
formspec = formspec..
'button[8.0,1.5;2,0.5;list_player_areas;'..
minetest.formspec_escape( this_area.owner..'\'s areas')..']';
end
end
formspec = formspec..
'button[8.0,8.5;2,0.5;list_main_areas;List all main areas]';
-- we need to remember especially the id_list - else it would be impossible to know what the
-- player selected
markers.menu_data_by_player[ pname ] = {
typ = 'area_list',
mode = mode,
pos = pos,
mode_data = mode_data,
list = id_list,
selected = id_list[ selected ],
};
return formspec;
end
-- shows a formspec with information about a particular area
-- pos is the position of the marker stone or place where the player clicked
-- with the land title register; it is used for relative display of coordinates
markers.get_area_desc_formspec = function( id, player, pos )
if( not id or not raz.raz_store:get_area( id )) then
return 'field[info;Error:;Area not found.]';
end
-- build the this_area table from raz_store data
local this_area = markers:convert_to_areas(id)
local pname = player:get_player_name();
-- show some buttons only if area is owned by the player
local has_region_mark = markers:check_region_mark(pname, this_area.owner)
local has_region_set = markers:check_region_set(pname, this_area.owner)
local formspec = 'size[10,9]'..
'label[2.5,0.0;Area information and management]'..
'button_exit[4.7,7.0;1,0.5;abort;OK]';
-- general information about the region
formspec = formspec..
'label[0.5,1.0;This is area number ]'..
'label[4.7,1.0;'..tostring( id )..']'..
'label[0.5,1.5;The area is called ]'..
'label[4.7,1.5;'..minetest.formspec_escape( this_area.name or '-not set-')..']'..
'label[0.5,2.0;It is owned by ]'..
'label[4.7,2.0;'..minetest.formspec_escape( this_area.owner)..']';
-- these functions are only available to the owner of the region with privileg region_set
if has_region_set then
formspec = formspec..
'button_exit[8.0,0.0;2.2,0.7;change_owner;Change owner]';
end
-- these functions are only available to the owner of the region with privileg region_mark
if has_region_mark then
formspec = formspec..
'button_exit[8.0,1.0;2.2,0.7;delete;Delete]'..
'button_exit[8.0,1.7;2.2,0.7;rename;Rename]'
end
-- show subowners and areas with the same coordinates
formspec = formspec..
'label[0.5,2.5;invited Guests of the area:]';
local guests = this_area.guests--{};
if( #guests > 0 ) then
formspec = formspec..
'label[4.7,2.5;'..minetest.formspec_escape( table.concat( guests, ', '))..'.]';
if( has_region_set ) then
formspec = formspec..
'button_exit[8.0,2.5;2.2,0.7;add_guest;Add Guest]'..
'button_exit[8.0,3.2;2.2,0.7;ban_guest;remove Guest]';
end
else
formspec = formspec..
'label[4.7,2.5;-none-]';
if( has_region_set ) then
formspec = formspec..
'button_exit[8.0,2.5;2.2,0.7;add_guest;Add Guest]'..
'button_exit[8.0,3.2;2.2,0.7;ban_guest;remove Guest]';
end
end
-- give information about the size of the area
local length_x = (math.abs( this_area.pos2.x - this_area.pos1.x )+1);
local length_y = (math.abs( this_area.pos2.y - this_area.pos1.y )+1);
local length_z = (math.abs( this_area.pos2.z - this_area.pos1.z )+1);
formspec = formspec..
'label[0.5,4.5;The area extends from]'..
'label[4.7,4.5;'..minetest.pos_to_string( this_area.pos1 )..' to '..minetest.pos_to_string( this_area.pos2 )..'.]'..
'label[4.7,4.75;It spans '..tostring( length_x )..
' x '..tostring( length_z )..
' = '..tostring( length_x * length_z )..
' m^2. Height: '..tostring( length_y )..' m.]';
formspec = formspec..
markers.show_compass_marker( 2.0, 7.0, true, pos, this_area.pos1, this_area.pos2 );
--local pname = player:get_player_name();
if( not( markers.menu_data_by_player[ pname ] )) then
markers.menu_data_by_player[ pname ] = {};
end
-- we need to remember especially the id_list - else it would be impossible to know what the
-- player selected
markers.menu_data_by_player[ pname ] =
{ typ = 'show_area',
mode = nil,
pos = pos,
mode_data = nil,
list = nil,
selected = id,
};
return formspec;
end
-- formspec input needs to be handled diffrently
markers.form_input_handler_areas = function( player, formname, fields)
-- player name
local pname = player:get_player_name();
local ppos = player:getpos()
if( formname ~= "markers:info"
or not( player )
or not( markers.menu_data_by_player[ pname ] )) then
return false;
end
local menu_data = markers.menu_data_by_player[ pname ];
local formspec = '';
-----------------------------------------------------------------------
-- rename an region
-- only region_admin or owner with region_mark can rename region
if( fields.rename -- rename
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
-- there are no checks here - those happen when the region will renamed
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
if( not( area.name )) then
area.name = '-enter area name-';
end
formspec = 'field[rename_new_name;Enter new name for area:;'..minetest.formspec_escape( area.name )..']';
elseif( fields.rename_new_name -- rename_new_name
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
-- check owner with privileg or region admin
if markers:check_region_mark(pname, area.owner) then -- owner with privileg or admin
-- actually rename the area
local err = raz:region_set_attribute(pname, menu_data.selected, "region_name", fields.rename_new_name)
if err then
minetest.chat_send_player( pname, 'Region successfully renamed.');
-- shwo the renamed area
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
else
raz:msg_handling(err, pname)
end
else
if area.owner ~= pname then
minetest.chat_send_player( pname, 'Permission denied. You are not owner of this region!');
else
minetest.chat_send_player( pname, "Permission denied. Missing privileg \'region_mark\'!");
end
end
-----------------------------------------------------------------------
-- change owner the area
-- only region_admin or owner with region_set can change owner
elseif( fields.change_owner -- change_owner
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected)) then -- there is an region for this ID
-- there are no checks here - those happen when the area is transferred
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
formspec = 'field[change_owner_name;Give area \"'..minetest.formspec_escape( area.name )..'\" to player:;-enter name of NEW OWNER-]';
elseif( fields.change_owner_name -- change_owner_name
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected)) then -- there is an region for this
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
-- check new owner is player
if( not( minetest.player_exists( fields.change_owner_name ))) then
minetest.chat_send_player( pname, 'That player does not exist.');
-- check owner with privileg or region admin
elseif markers:check_region_set(pname, area.owner) then -- owner with privileg or admin
-- actually change the owner
local err = raz:region_set_attribute(pname, menu_data.selected, "owner", fields.change_owner_name)
if err then
minetest.chat_send_player( pname, 'Your region '..tostring( area.name )..' has been transfered to '..tostring( fields.change_owner_name )..'.');
minetest.chat_send_player( fields.change_owner_name, pname..' has given you control over an region.')
else
raz:msg_handling(err, pname)
end
elseif area.owner ~= pname then
minetest.chat_send_player( pname, 'Permission denied. You are not owner of this region!');
else
minetest.chat_send_player( pname, "Permission denied. Missing privileg \'region_set\'!");
end
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
-----------------------------------------------------------------------
-- add a guest - check id / region with ID
elseif( fields.add_guest
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
formspec = 'field[add_guest_name;Invite a player to your region: \"'..minetest.formspec_escape( area.name )..'\";-enter player name-]';
elseif( fields.add_guest_name
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
-- does the player exist?
if( not( minetest.player_exists( fields.add_guest_name ))) then
minetest.chat_send_player( pname, 'That player does not exist.');
-- show the formspec
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
-- check owner with privileg or region admin
elseif markers:check_region_set(pname, area.owner) then -- owner with privileg or admin
-- log add guest
minetest.log("action", pname.." add_guest through the markers-mod. guest = "..fields.add_guest_name..
" AreaName = "..area.name.." ParentID = "..menu_data.selected..
" StartPos = "..area.pos1.x..","..area.pos1.y..","..area.pos1.z..
" EndPos = " ..area.pos2.x..","..area.pos2.y..","..area.pos2.z)
-- actually add the guest
if raz:region_set_attribute(pname, menu_data.selected, "guest", fields.add_guest_name, true) then
minetest.chat_send_player( fields.add_guest_name,
"You have been invitedinto the region #"..
menu_data.selected..". Type /region list to show your region.")
minetest.chat_send_player( pname, 'The player may now build and dig in your area.');
-- shwo the new area
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
else
minetest.chat_send_player( pname, "ther is a player with this name {".. fields.ban_guest_name.."} in your guestlist!");
end
elseif area.owner ~= pname then
minetest.chat_send_player( pname, 'Permission denied. You are not owner of this region!');
else
minetest.chat_send_player( pname, "Permission denied. Missing privileg \'region_setz\'!");
end
-----------------------------------------------------------------------
-- ban a guest
elseif( fields.ban_guest
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
formspec = 'field[ban_guest_name;Grant access to area \"'..minetest.formspec_escape( area.name )..'\" to player:;-enter player name-]';
elseif( fields.ban_guest_name
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
-- does the player exist?
if( not( minetest.player_exists( fields.ban_guest_name ))) then
minetest.chat_send_player( pname, 'That player does not exist.');
-- show the formspec
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
-- check owner with privileg or region admin
elseif markers:check_region_set(pname, area.owner) then -- owner with privileg or admin
-- log ban guest
minetest.log("action", pname.." ban_guest through the markers-mod. guest = "..fields.ban_guest_name..
" AreaName = "..area.name.." ParentID = "..menu_data.selected..
" StartPos = "..area.pos1.x..","..area.pos1.y..","..area.pos1.z..
" EndPos = " ..area.pos2.x..","..area.pos2.y..","..area.pos2.z)
-- actually add the guest
if raz:region_set_attribute(pname, menu_data.selected, "guest", fields.ban_guest_name, false) then
minetest.chat_send_player( fields.ban_guest_name,
"You have been banned from the region #"..
menu_data.selected..". Type /region list to show your region.")
minetest.chat_send_player( pname, "You have banned player ".. fields.ban_guest_name.." from your region {"..area.name.."}");
-- shwo the new area
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
else
minetest.chat_send_player( pname, "No player {".. fields.ban_guest_name.."} in your guestlist of region {"..area.name.."}");
end
else
minetest.chat_send_player( pname, 'Permission denied. You do not have the correct privileg.');
end
-----------------------------------------------------------------------
-- delete area
elseif( fields.delete
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
-- a player can only delete own regions with privileg - region_mark or as admin
-- check owner with privileg or region admin
if markers:check_region_mark(pname, area.owner) then -- owner with privileg or admin
-- get name of region
formspec = 'field[rename_new_name;Enter new name for area:;'..minetest.formspec_escape( area.name )..']';
-- confirm
formspec = 'field[delete_confirm;'..minetest.formspec_escape( 'Really delete area \"'..area.name..
'\" (owned by '..area.owner..')? Confirm with YES:')..';-type yes in capitals to confirm-]';
elseif raz:get_region_attribute(menu_data.selected, "owner" ) ~= pname then
minetest.chat_send_player( pname, 'Permission denied. You are not owner of this region!');
else
minetest.chat_send_player( pname, "Permission denied. missing privileg \'region_mark\'!");
-- show the area where the renaming failed
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
end
elseif( fields.delete_confirm
and menu_data.selected -- raz_store-ID is set
and raz.raz_store:get_area(menu_data.selected) ) then -- there is an region for this ID
-- there are no checks here - those happened before
local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table
-- a player can only delete own areas
-- check owner with privileg or region admin
if markers:check_region_mark(pname, area.owner) then -- owner with privileg or admin
-- avoid accidents
if( fields.delete_confirm ~= 'YES' ) then
minetest.chat_send_player( pname, 'Delition of area \"'..tostring( area.name )..'\" (owned by '..area.owner..') aborted.');
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
else
minetest.chat_send_player( pname, 'Area \"'..tostring( area.name )..'\" (owned by '..area.owner..') deleted.');
-- really delete
raz:delete_region(menu_data.selected)
-- show the list of areas owned by the previous owner
formspec = markers.get_area_list_formspec(ppos, player, 'player', menu_data.pos, area.owner, nil );
end
else
minetest.chat_send_player( pname, 'Permission denied. You are not owner of this region!');
-- shwo the area where the renaming failed
formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos );
end
-----------------------------------------------------------------------
-- list_main_areas
elseif( fields.list_main_areas ) then
formspec = markers.get_area_list_formspec(ppos, player, 'main_areas', menu_data.pos, nil, nil );
-----------------------------------------------------------------------
-- list_areas_at
elseif( fields.list_areas_at
and menu_data.pos ) then
-- formspec = markers.get_area_list_formspec(ppos, player, 'pos', menu_data.pos, menu_data.pos, nil );
formspec = markers.get_area_list_formspec(ppos, player, 'all', menu_data.pos, menu_data.pos, nil );
-----------------------------------------------------------------------
-- markers_area_list_selection
elseif( fields.markers_area_list_selection
and menu_data.typ
and menu_data.typ == 'area_list'
and menu_data.list
and #menu_data.list > 0 ) then
local field_data = fields.markers_area_list_selection:split( ':' );
if( not( field_data ) or #field_data < 2 ) then
field_data = { '', '' };
end
local selected = tonumber( field_data[ 2 ] );
if( field_data[1]=='DCL' ) then
-- on doubleclick, show detailed area information
formspec = markers.get_area_desc_formspec( tonumber( menu_data.list[ selected ] ), player, menu_data.pos );
else
-- on single click, just show the position of that particular area
formspec = markers.get_area_list_formspec(ppos, player, menu_data.mode, menu_data.pos, menu_data.mode_data, selected );
end
else
return false;
end
minetest.show_formspec( pname, "markers:info", formspec )
return true;
end
-- search the area at the given position pos that might be of most intrest to the player
markers.show_marker_stone_formspec = function( player, pos )
local pname = player:get_player_name();
local ppos = pos
-- this table stores the list the player may have selected from; at the beginning, there is no list
if( not( markers.menu_data_by_player[ pname ] )) then
markers.menu_data_by_player[ pname ] = {
typ = 'area_list',
mode = 'main_areas',
pos = pos,
mode_data = pos,
list = {},
selected = nil,
};
end
local formspec = '';
local found_areas = {};
local min_area_size = 100000000000;
for id, area in pairs(raz.raz_store:get_areas_for_pos(pos)) do
-- ignore y (height) value because some areas may go from bottom to top
local area_size = math.abs( area.max.x - area.min.x )
* math.abs( area.max.z - area.min.z );
-- collect subareas that have the same size
if( area_size == min_area_size ) then
table.insert(found_areas, id );
-- we have found a smaller area - that is more intresting here
elseif( area_size <= min_area_size ) then
found_areas = {};
min_area_size = area_size;
table.insert(found_areas, id );
end
end
-- no areas found; display error message and selection menu
if( #found_areas < 1 ) then
formspec = 'size[4,3]'..
'label[0.5,0.5;This position is not protected.]'..
'button[1.0,1.5;2,0.5;list_main_areas;List all main areas]'..
'button_exit[3.0,1.5;1,0.5;abort;OK]';
-- found exactly one areaa - display it
elseif( #found_areas == 1 ) then
formspec = markers.get_area_desc_formspec( found_areas[ 1 ], player, pos );
-- found more than one area; we have saved only those with the smallest size
else
local own_area = 0;
local parent_area = 0;
local upper_area = 0;
--[[
for i,v in ipairs( found_areas ) do
local area = areas.areas[ v ];
-- owned by player?
if( area.owner == pname ) then
own_area = v;
-- parentless area?
elseif( not( area.parent )) then
parent_area = v;
-- the parent has diffrent coordinates?
elseif( areas.areas[ area.parent ].pos1.x ~= area.pos1.x
or areas.areas[ area.parent ].pos1.y ~= area.pos1.y
or areas.areas[ area.parent ].pos1.z ~= area.pos1.z
or areas.areas[ area.parent ].pos2.x ~= area.pos2.x
or areas.areas[ area.parent ].pos2.y ~= area.pos2.y
or areas.areas[ area.parent ].pos2.z ~= area.pos2.z ) then
upper_area = v;
end
end
]]--
-- the area owned by the player is most intresting
if( own_area > 0 ) then
formspec = markers.get_area_desc_formspec( own_area, player, pos );
--[[
-- if the player owns none of these areas, show the topmost (parentless) area
elseif( parent_area > 0 ) then
formspec = markers.get_area_desc_formspec( parent_area, player, pos );
-- an area which has a parent with diffrent coordinates from its child may (or may not) be the
-- parent of all these subareas we've found here; there is no guarantee, but it's a best guess.
-- If it is not good enough, then the player can still search for himshelf.
elseif( upper_area > 0 ) then
formspec = markers.get_area_desc_formspec( upper_area, player, pos );
-- our superficial analysis of the structure of the areas failed; it is up to the player to
-- find out which of the candidates he is intrested in; we list them all
]]--
else
formspec = markers.get_area_list_formspec(ppos, player, 'pos', pos, pos, nil );
end
end
minetest.show_formspec( player:get_player_name(), "markers:info", formspec );
end