diff options
Diffstat (limited to 'markers/areas.lua')
| -rw-r--r-- | markers/areas.lua | 865 |
1 files changed, 0 insertions, 865 deletions
diff --git a/markers/areas.lua b/markers/areas.lua deleted file mode 100644 index f804f7f..0000000 --- a/markers/areas.lua +++ /dev/null @@ -1,865 +0,0 @@ - --- TODO: offer teleport button? - --- 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 = {}; - for id, area in pairs(areas.areas) do - if( pos.x >= area.pos1.x and pos.x <= area.pos2.x and - pos.y >= area.pos1.y and pos.y <= area.pos2.y and - pos.z >= area.pos1.z and pos.z <= area.pos2.z )then - - area[ 'id' ] = id; - table.insert(found_areas, area ); - end - end - 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 )..'>:'; - - for id, area in pairs(areas.areas) do - - if( mode_data.x >= area.pos1.x and mode_data.x <= area.pos2.x and - mode_data.y >= area.pos1.y and mode_data.y <= area.pos2.y and - mode_data.z >= area.pos1.z and mode_data.z <= area.pos2.z )then - - table.insert( id_list, id ); - end - end - - -- expects a playername in mode_data - elseif( mode=='player' ) then - - title = 'All areas owned by player..'; - tlabel = '<'..tostring( mode_data )..'>:'; - - for id, area in pairs(areas.areas) do - - if( area.owner == mode_data ) then - table.insert( id_list, id ); - end - end - - -- expects an area_id in mode_data - elseif( mode=='subareas' ) then - - title = 'All subareas of area..'; - tlabel = '<'..tostring( areas.areas[ mode_data ].name )..'> ['..tostring( mode_data )..']:'; - - for id, area in pairs(areas.areas) do - - if( area.parent and area.parent == mode_data ) then - table.insert( id_list, id ); - end - end - - -- show only areas that do not have parents - elseif( mode=='main_areas' ) then - title = 'All main areas withhin '..tostring( markers.AREA_RANGE )..' m:'; - tlabel = '*all main areas*'; - for id, area in pairs(areas.areas) do - - if( not( area.parent ) - -- ppos is always available - and( (area.pos1.x >= ppos.x-markers.AREA_RANGE and area.pos1.x <= ppos.x+markers.AREA_RANGE ) - or(area.pos2.x >= ppos.x-markers.AREA_RANGE and area.pos2.x <= ppos.x+markers.AREA_RANGE )) - and( (area.pos1.y >= ppos.y-markers.AREA_RANGE and area.pos1.y <= ppos.y+markers.AREA_RANGE ) - or(area.pos2.y >= ppos.y-markers.AREA_RANGE and area.pos2.y <= ppos.y+markers.AREA_RANGE )) - and( (area.pos1.z >= ppos.z-markers.AREA_RANGE and area.pos1.z <= ppos.z+markers.AREA_RANGE ) - or(area.pos2.z >= ppos.z-markers.AREA_RANGE and area.pos2.z <= ppos.z+markers.AREA_RANGE ))) then - table.insert( id_list, id ); - end - end - - - elseif( mode=='all' ) then - title = 'All areas withhin '..tostring( markers.AREA_RANGE )..' m:'; - tlabel = '*all areas*'; - - for id, area in pairs(areas.areas) do - if( ( (area.pos1.x >= ppos.x-markers.AREA_RANGE and area.pos1.x <= ppos.x+markers.AREA_RANGE ) - or(area.pos2.x >= ppos.x-markers.AREA_RANGE and area.pos2.x <= ppos.x+markers.AREA_RANGE )) - and( (area.pos1.y >= ppos.y-markers.AREA_RANGE and area.pos1.y <= ppos.y+markers.AREA_RANGE ) - or(area.pos2.y >= ppos.y-markers.AREA_RANGE and area.pos2.y <= ppos.y+markers.AREA_RANGE )) - and( (area.pos1.z >= ppos.z-markers.AREA_RANGE and area.pos1.z <= ppos.z+markers.AREA_RANGE ) - or(area.pos2.z >= ppos.z-markers.AREA_RANGE and area.pos2.z <= ppos.z+markers.AREA_RANGE ))) then - table.insert( id_list, id ); - end - end - end - - -- Sort the list of areas so the nearest comes first - local nearsorter = function(a, b) - return vector.distance(vector.interpolate(areas.areas[a].pos1, areas.areas[a].pos2, 0.5), ppos) < - vector.distance(vector.interpolate(areas.areas[b].pos1, areas.areas[b].pos2, 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 = ''; - for i,v in ipairs( id_list ) do - if( liste ~= '' ) then - liste = liste..','; - end - liste = liste..minetest.formspec_escape( areas:toString( v ) ); - - 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 areas.areas[ id_list[ selected ]] ) then - - local this_area = areas.areas[ id_list[ selected ]]; - - local subareas = {}; - for i,v in pairs( areas.areas ) do - if( v.parent and v.parent == id_list[ selected ]) then - table.insert( subareas, i ); - end - end - - formspec = formspec.. - markers.show_compass_marker( 8.5, 3.0, false, pos, this_area.pos1, this_area.pos2 ); - - - if( this_area.parent) then - formspec = formspec.. - 'button[8.0,0.5;2,0.5;show_parent;'.. - minetest.formspec_escape( areas.areas[ this_area.parent ].name )..']'; - end - - if( #subareas > 0 ) then - formspec = formspec.. - 'button[8.0,1.0;2,0.5;list_subareas;'.. - minetest.formspec_escape( 'List subareas ('..tostring( #subareas )..')')..']'; - end - - - 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( areas.areas ) or not( id ) or not( areas.areas[ id ] )) then - return 'field[info;Error:;Area not found.]'; - end - local this_area = areas.areas[ id ]; - - local pname = player:get_player_name(); - - -- show some buttons only if area is owned by the player - local is_owner = false; - - if( this_area.owner == pname ) then - is_owner = true; - end - - 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 area - 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 area - if( is_owner ) then - formspec = formspec.. - 'button_exit[8.0,0.0;2,0.5;change_owner;Change owner]'.. - 'button_exit[8.0,1.0;2,0.5;delete;Delete]'.. - 'button_exit[8.0,1.5;2,0.5;rename;Rename]'.. - 'button_exit[8.0,2.0;2,0.5;list_player_areas;My areas]'; - - -- subareas of own areas can be deleted (but not renamed) - elseif( not( is_owner ) - and this_area.parent - and areas.areas[ this_area.parent ] - and areas.areas[ this_area.parent ].owner == pname ) then - - formspec = formspec.. - 'button_exit[8.0,1.0;2,0.5;delete;Delete subarea]'.. - 'button_exit[8.0,2.0;2,0.5;list_player_areas;Player\'s areas]'; - - else - formspec = formspec.. - 'button_exit[8.0,2.0;2,0.5;list_player_areas;Player\'s areas]'; - end - - - -- players with the areas priv get an extra menu - if( minetest.check_player_privs(pname, {areas=true})) then - formspec = formspec.. - 'label[8.0,6.0;Admin commands:]'.. - 'button_exit[8.0,6.5;2,0.5;change_owner;Change owner]'.. - 'button_exit[8.0,7.0;2,0.5;delete;Delete]'.. - 'button_exit[8.0,7.5;2,0.5;rename;Rename]'; - end - - - -- show subowners and areas with the same coordinates - formspec = formspec.. - 'label[0.5,2.5;Further owners of the entire area:]'; - local further_owners = {}; - for i, area in pairs(areas.areas) do - if( i ~= id and - this_area.pos1.x == area.pos1.x and this_area.pos2.x == area.pos2.x and - this_area.pos1.y == area.pos1.y and this_area.pos2.y == area.pos2.y and - this_area.pos1.z == area.pos1.z and this_area.pos2.z == area.pos2.z )then - - table.insert( further_owners, area.owner ); - end - end - if( #further_owners > 0 ) then - - formspec = formspec.. - 'label[4.7,2.5;'..minetest.formspec_escape( table.concat( further_owners, ', '))..'.]'; - - -- deleting subowners is done by deleting their areas - if( is_owner ) then - formspec = formspec.. - 'button_exit[8.0,2.5;2,0.5;add_owner;Add]'; - end - else - formspec = formspec.. - 'label[4.7,2.5;-none-]'; - - if( is_owner ) then - formspec = formspec.. - 'button_exit[8.0,2.5;2,0.5;add_owner;Add]'; - end - end - - - -- is the area a subarea? - if( this_area.parent ) then - formspec = formspec.. - 'label[0.5,3.0;This area is a sub-area of area]'.. - 'label[4.7,3.0;'..minetest.formspec_escape( areas.areas[ this_area.parent ].name..' ['..this_area.parent..']' )..']'.. - 'button_exit[8.0,3.0;2,0.5;show_parent;Show main area]'; - end - - - -- does the area have subareas, i.e. is it a parent area for others? - local sub_areas = {}; - for i, area in pairs(areas.areas) do - if( i ~= id and - area.parent == id ) then - - table.insert( sub_areas, i ); - end - end - if( #sub_areas > 0 ) then - - formspec = formspec.. - 'label[0.5,4.0;Number of defined subareas:]'.. - 'label[4.7,4.0;'..tostring( #sub_areas )..']'.. - 'button_exit[8.0,4.0;2,0.5;list_subareas;List subareas]'; - else - formspec = formspec.. - 'label[0.5,4.0;There are no subareas defined.]'; - 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 ); - --- TODO: buy / sell button - - 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 - - - --- shows where the area (defined by pos1/pos2) is located relative to the given position pos --- row_offset/col_offset are offsets for the formspec -markers.show_compass_marker = function( col_offset, row_offset, with_text, pos, pos1, pos2 ) - - local formspec = ''; --- TODO: show up/down information somehow --- TODO: what if checked with a land claim register? - - -- if possible, show how far the area streches into each direction relative to pos - if( pos.x >= pos1.x and pos.x <= pos2.x - and pos.y >= pos1.y and pos.y <= pos2.y - and pos.z >= pos1.z and pos.z <= pos2.z ) then - - if( with_text ) then - formspec = formspec.. - 'label[0.5,5.5;Dimensions of the area in relation to..]'.. --- TODO: check if there is a marker; else write 'position you clicked on' - 'label[4.7,5.5;the marker at '..minetest.pos_to_string( pos )..':]'.. - 'button_exit[8.0,5.5;2,0.5;list_areas_at;Local areas]'; - end - formspec = formspec.. - 'image['..col_offset..','..row_offset..';1,1;markers_stone.png]'.. - 'label['..(col_offset-0.8)..','..(row_offset+0.05)..';'..tostring( pos.x - pos1.x )..' m W]'.. - 'label['..(col_offset+1.0)..','..(row_offset+0.05)..';'..tostring( pos2.x - pos.x )..' m E]'.. - 'label['..(col_offset+0.1)..','..(row_offset+0.80)..';'..tostring( pos.z - pos1.z )..' m S]'.. - 'label['..(col_offset+0.1)..','..(row_offset-0.80)..';'..tostring( pos2.z - pos.z )..' m N]'; - - -- else show how far the area is away - else - - local starts_north = ''; - local starts_south = ''; - local starts_east = ''; - local starts_west = ''; - if( pos.z > pos2.z ) then - starts_north = ''; - starts_south = tostring( pos.z - pos2.z )..' m S'; - else - starts_north = tostring( pos1.z - pos.z )..' m N'; - starts_south = ''; - end - if( pos.x > pos2.x ) then - starts_east = ''; - starts_west = tostring( pos.x - pos2.x )..' m W'; - else - starts_east = tostring( pos1.x - pos.x )..' m E'; - starts_west = ''; - end - - - if( with_text ) then - formspec = formspec.. - 'label[0.5,5.5;Position of the area in relation to..]'.. --- TODO: check if there is a marker; else write 'position you clicked on' - 'label[4.7,5.5;the marker at '..minetest.pos_to_string( pos )..':]'.. - 'button_exit[8.0,5.5;2,0.5;list_areas_at;Local areas]'; - end - formspec = formspec.. - 'image['..col_offset..','..row_offset..';1,1;compass_side_top.png]'.. - 'label['..(col_offset-0.8)..','..(row_offset+0.05)..';'..starts_west..']'.. - 'label['..(col_offset+1.0)..','..(row_offset+0.05)..';'..starts_east..']'.. - 'label['..(col_offset+0.1)..','..(row_offset-0.80)..';'..starts_north..']'.. - 'label['..(col_offset+0.1)..','..(row_offset+0.80)..';'..starts_south..']'; - end - - return formspec; -end - - - --- formspec input needs to be handled diffrently -markers.form_input_handler_areas = function( player, formname, fields) - - 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 area - if( fields.rename - and menu_data.selected - and areas.areas[ menu_data.selected ] - and areas.areas[ menu_data.selected ].owner == pname ) then - - local area = areas.areas[ menu_data.selected ]; - 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 - and menu_data.selected - and areas.areas[ menu_data.selected ] - and ((areas.areas[ menu_data.selected ].owner == pname ) - or minetest.check_player_privs(pname, {areas=true}))) then - - local area = areas.areas[ menu_data.selected ]; - - -- actually rename the area - areas.areas[ menu_data.selected ].name = fields.rename_new_name; - areas:save(); - - minetest.chat_send_player( pname, 'Area successfully renamed.'); - -- shwo the renamed area - formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos ); - - - - -- change owner the area - elseif( fields.change_owner - and menu_data.selected - and areas.areas[ menu_data.selected ] ) then - - -- there are no checks here - those happen when the area is transferred - local area = areas.areas[ menu_data.selected ]; - formspec = 'field[change_owner_name;Give area \"'..minetest.formspec_escape( area.name )..'\" to player:;-enter name of NEW OWNER-]'; - - elseif( fields.change_owner_name - and menu_data.selected - and areas.areas[ menu_data.selected ] ) then - - local area = areas.areas[ menu_data.selected ]; - - -- only own areas can be transfered to another player (or if the areas priv is there) - if( area.owner ~= pname - and not( minetest.check_player_privs(pname, {areas=true}))) then - - minetest.chat_send_player( pname, 'Permission denied. You do not own the area.'); - - elseif( not( areas:player_exists( fields.change_owner_name ))) then - - minetest.chat_send_player( pname, 'That player does not exist.'); - - else - -- actually change the owner - areas.areas[ menu_data.selected ].owner = fields.change_owner_name; - areas:save() - - minetest.chat_send_player( pname, 'Your area '..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 area.') - end - - formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos ); - - - -- add an owner to the entire area - elseif( fields.add_owner - and menu_data.selected - and areas.areas[ menu_data.selected ] - and areas.areas[ menu_data.selected ].owner == pname ) then - - local area = areas.areas[ menu_data.selected ]; - formspec = 'field[add_owner_name;Grant access to area \"'..minetest.formspec_escape( area.name )..'\" to player:;-enter player name-]'; - - elseif( fields.add_owner_name - -- the player has to own the area already; we need a diffrent name here - and fields.add_owner_name ~= pname - and menu_data.selected - and areas.areas[ menu_data.selected ] - and areas.areas[ menu_data.selected ].owner == pname ) then - - local area = areas.areas[ menu_data.selected ]; - - -- does the player exist? - if( not( areas:player_exists( fields.add_owner_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 ); - - else - -- log the creation of the new area - minetest.log("action", pname.." runs /add_owner through the markers-mod. Owner = "..fields.add_owner_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) - - -- take the name from the old/parent area - local new_id = areas:add( fields.add_owner_name, area.name, area.pos1, area.pos2, menu_data.selected ); - areas:save() - - - minetest.chat_send_player( fields.add_owner_name, - "You have been granted control over area #".. - new_id..". Type /list_areas to show your areas.") - - minetest.chat_send_player( pname, 'The player may now build and dig in your area.'); - -- shwo the new area - markers.menu_data_by_player[ pname ].selected = new_id; - formspec = markers.get_area_desc_formspec( new_id, player, menu_data.pos ); - end - - - - -- delete area - elseif( fields.delete - and menu_data.selected - and areas.areas[ menu_data.selected ] ) then - - local area = areas.areas[ menu_data.selected ]; - - -- a player can only delete own areas or subareas of own areas - if( area.owner ~= pname - and not( area.parent - and areas.areas[ area.parent ] - and areas.areas[ area.parent ].owner - and areas.areas[ area.parent ].owner == pname ) - and not( minetest.check_player_privs(pname, {areas=true}))) then - - minetest.chat_send_player( pname, 'Permission denied. You own neither the area itshelf nor its parent area.'); - -- shwo the area where the renaming failed - formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos ); - - else - - formspec = 'field[rename_new_name;Enter new name for area:;'..minetest.formspec_escape( area.name )..']'; - 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-]'; - - end - - elseif( fields.delete_confirm - and menu_data.selected - and areas.areas[ menu_data.selected ] ) then - - local area = areas.areas[ menu_data.selected ]; - local old_owner = area.owner; - - local subareas = {}; - for i,v in pairs( areas.areas ) do - if( v.parent and v.parent == menu_data.selected ) then - table.insert( subareas, i ); - end - end - - -- a player can only delete own areas or subareas of own areas - if( area.owner ~= pname - and not( area.parent - and areas.areas[ area.parent ] - and areas.areas[ area.parent ].owner - and areas.areas[ area.parent ].owner == pname ) - and not( minetest.check_player_privs(pname, {areas=true}))) then - - minetest.chat_send_player( pname, 'Permission denied. You own neither the area itshelf nor its parent area.'); - -- shwo the renamed area - formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos ); - - -- avoid accidents - elseif( fields.delete_confirm ~= 'YES' ) then - minetest.chat_send_player( pname, 'Delition of area \"'..tostring( area.name )..'\" (owned by '..old_owner..') aborted.'); - formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos ); - - -- only areas without subareas can be deleted - elseif( #subareas > 0 ) then - minetest.chat_send_player( pname, 'The area has '..tostring( #subareas )..' subarea(s). Please delete those first!'); - 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 '..old_owner..') deleted.'); - -- really delete - areas:remove( menu_data.selected, false ); -- no recursive delete - areas:save(); - -- show the list of areas owned by the previous owner - formspec = markers.get_area_list_formspec(ppos, player, 'player', menu_data.pos, old_owner, nil ); - end - - - - elseif( fields.show_parent - and menu_data.selected - and areas.areas[ menu_data.selected ] - and areas.areas[ menu_data.selected ].parent ) then - - formspec = markers.get_area_desc_formspec( areas.areas[ menu_data.selected ].parent, player, menu_data.pos ); - - - elseif( fields.list_player_areas - and menu_data.selected - and areas.areas[ menu_data.selected ] ) then - - formspec = markers.get_area_list_formspec(ppos, player, 'player', menu_data.pos, areas.areas[ menu_data.selected ].owner, nil ); - - - elseif( fields.list_subareas - and menu_data.selected - and areas.areas[ menu_data.selected ] ) then - - formspec = markers.get_area_list_formspec(ppos, player, 'subareas', menu_data.pos, menu_data.selected, nil ); - - - elseif( fields.list_main_areas ) then - - formspec = markers.get_area_list_formspec(ppos, player, 'main_areas', menu_data.pos, nil, nil ); - - 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 ); - - - 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(areas.areas) do - if( pos.x >= area.pos1.x and pos.x <= area.pos2.x and - pos.y >= area.pos1.y and pos.y <= area.pos2.y and - pos.z >= area.pos1.z and pos.z <= area.pos2.z )then - - -- ignore y (height) value because some areas may go from bottom to top - local area_size = math.abs( area.pos2.x - area.pos1.x ) - * math.abs( area.pos2.z - area.pos1.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 - 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 |