From decc7c12013299edba5f81d545e2bbcbf6d2c288 Mon Sep 17 00:00:00 2001 From: Ralf Weinert Date: Thu, 11 Apr 2019 23:19:43 +0200 Subject: [PATCH] start to implement RAZ --- areas.lua | 197 ++++++---- config.lua | 14 +- depends.txt | 3 +- functions.lua | 87 +++++ init.lua | 163 ++------- raz.lua | 978 ++++++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 1239 insertions(+), 203 deletions(-) create mode 100644 functions.lua create mode 100644 raz.lua diff --git a/areas.lua b/areas.lua index f804f7f..30a2f1c 100644 --- a/areas.lua +++ b/areas.lua @@ -1,6 +1,135 @@ -- TODO: offer teleport button? + +-- returns the first area found +markers.get_area_by_pos1_pos2 = function(pos1, pos2) + for id, area in pairs(areas.areas) do + + if( ((area.pos1.x == pos1.x and area.pos1.z == pos1.z ) + or (area.pos1.x == pos1.x and area.pos1.z == pos2.z ) + or (area.pos1.x == pos2.x and area.pos1.z == pos1.z ) + or (area.pos1.x == pos2.x and area.pos1.z == pos2.z )) + + and((area.pos2.x == pos1.x and area.pos2.z == pos1.z ) + or (area.pos2.x == pos1.x and area.pos2.z == pos2.z ) + or (area.pos2.x == pos2.x and area.pos2.z == pos1.z ) + or (area.pos2.x == pos2.x and area.pos2.z == pos2.z ))) then + + -- at least pos1 needs to have a hight value that fits in + if( (area.pos1.y <= pos1.y and area.pos2.y >= pos1.y) + or (area.pos1.y >= pos1.y and area.pos2.y <= pos1.y)) then + + local found = area; + found[ 'id' ] = id; + return found; + + end + end + end + return nil; +end + + +-- protect/buy an area +markers.marker_on_receive_fields = function(pos, formname, fields, sender) + + if( not( pos )) then + 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.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; + + 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 + + -- Temporary compatibility function - see minetest PR#1180 if not vector.interpolate then vector.interpolate = function(pos1, pos2, factor) @@ -404,74 +533,6 @@ 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 diff --git a/config.lua b/config.lua index 99f655d..a9da00b 100644 --- a/config.lua +++ b/config.lua @@ -19,12 +19,14 @@ markers.MAX_SIZE = 4096; -- 64m * 64m= 4096 m^2 -- set to something >60000 in order to view all areas; set to a smaller -- value (i.e. 500) on multiplayer servers with many protected areas -if( #areas.areas > 1000 ) then - markers.AREA_RANGE = 100; -elseif( #areas.areas > 100 ) then - markers.AREA_RANGE = 1000; -else - markers.AREA_RANGE = 100000; +if markers.mod_areas_present then + if( #areas.areas > 1000 ) then + markers.AREA_RANGE = 100; + elseif( #areas.areas > 100 ) then + markers.AREA_RANGE = 1000; + else + markers.AREA_RANGE = 100000; + end end -- for most cases, the default values ought to work diff --git a/depends.txt b/depends.txt index a18cd91..91f9eaa 100644 --- a/depends.txt +++ b/depends.txt @@ -1 +1,2 @@ -areas +areas? +raz? diff --git a/functions.lua b/functions.lua new file mode 100644 index 0000000..7fd9c44 --- /dev/null +++ b/functions.lua @@ -0,0 +1,87 @@ + + +-- 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 + + +-- from areas modified with namespace +-- Modifies positions `pos1` and `pos2` so that each component of `pos1` +-- is less than or equal to its corresponding component of `pos2`, +-- returning the two positions. +function markers:sortPos(pos1, pos2) + if pos1.x > pos2.x then + pos2.x, pos1.x = pos1.x, pos2.x + end + if pos1.y > pos2.y then + pos2.y, pos1.y = pos1.y, pos2.y + end + if pos1.z > pos2.z then + pos2.z, pos1.z = pos1.z, pos2.z + end + return pos1, pos2 +end diff --git a/init.lua b/init.lua index 2e72af0..79a6458 100644 --- a/init.lua +++ b/init.lua @@ -1,50 +1,54 @@ --- markers are useful for measuring distances and for marking areas +-- markers are useful for measuring distances and for marking areas, regions or zones +-- it should work with areas and raz -- markers are protected from digging by other players for one day -- (the protection for the *marker* auto-expires then, and it can be digged) -markers = {} - -dofile(minetest.get_modpath("markers").."/config.lua"); -dofile(minetest.get_modpath("markers").."/areas.lua"); -dofile(minetest.get_modpath("markers").."/marker_stone.lua"); -dofile(minetest.get_modpath("markers").."/land_title_register.lua"); +markers = { --- returns the first area found -markers.get_area_by_pos1_pos2 = function(pos1, pos2) - for id, area in pairs(areas.areas) do +-- Paths and infos to the mod + worlddir = minetest.get_worldpath(), + modname = minetest.get_current_modname(), + modpath = minetest.get_modpath(minetest.get_current_modname()), + mod_areas_present = nil, + mod_raz_present = nil, +} - if( ((area.pos1.x == pos1.x and area.pos1.z == pos1.z ) - or (area.pos1.x == pos1.x and area.pos1.z == pos2.z ) - or (area.pos1.x == pos2.x and area.pos1.z == pos1.z ) - or (area.pos1.x == pos2.x and area.pos1.z == pos2.z )) - and((area.pos2.x == pos1.x and area.pos2.z == pos1.z ) - or (area.pos2.x == pos1.x and area.pos2.z == pos2.z ) - or (area.pos2.x == pos2.x and area.pos2.z == pos1.z ) - or (area.pos2.x == pos2.x and area.pos2.z == pos2.z ))) then +-- load the .luas +dofile(markers.modpath.."/config.lua") +dofile(markers.modpath.."/functions.lua") - -- at least pos1 needs to have a hight value that fits in - if( (area.pos1.y <= pos1.y and area.pos2.y >= pos1.y) - or (area.pos1.y >= pos1.y and area.pos2.y <= pos1.y)) then +-- check if areas or raz is installed +markers.mod_areas_present = minetest.get_modpath("areas") +markers.mod_raz_present = minetest.get_modpath("raz") - local found = area; - found[ 'id' ] = id; - return found; - - end - end - end - return nil; +if markers.mod_areas_present and markers.mod_raz_present then + minetest.log("error", "[" .. markers.modname .. "] areas and raz is installed - what shall be used!!!!!!") +elseif markers.mod_areas_present and not markers.mod_raz_present then + dofile(modpath.."/areas.lua") + minetest.log("action", "[" .. markers.modname .. "] areas is installed - load areas.lua") +elseif markers.mod_raz_present and not markers.mod_areas_present then + dofile(markers.modpath.."/raz.lua") + minetest.log("action", "[" .. markers.modname .. "] raz is installed - load raz.lua") +else + minetest.log("error", "[" .. markers.modname .. "] I fond no installed version of areas or raz - what shall be used!!!!!!") end +dofile(markers.modpath.."/marker_stone.lua") +dofile(markers.modpath.."/land_title_register.lua") --- this function is supposed to return a text string describing the price of the land between po1 and pos2 + + + + + +-- this function is supposed to return a text string describing the price of the land between pos1 and pos2 -- You can return somethiing like "for free" or "the promise to build anything good" as well as any -- real prices in credits or materials - it's really just a text here. -- Make sure you do not charge the player more than what you ask here. @@ -278,8 +282,7 @@ markers.get_marker_formspec = function(player, pos, error_msg) -- has the area already been defined? local area = markers.get_area_by_pos1_pos2( coords[1], coords[2] ); - - + local size = (math.abs( coords[1].x - coords[2].x )+1) * (math.abs( coords[1].z - coords[2].z )+1); @@ -339,103 +342,7 @@ end --- protect/buy an area -markers.marker_on_receive_fields = function(pos, formname, fields, sender) - if( not( pos )) then - 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.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; - - 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 diff --git a/raz.lua b/raz.lua new file mode 100644 index 0000000..dc0a0ea --- /dev/null +++ b/raz.lua @@ -0,0 +1,978 @@ + +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 + +--+++++++++++++++++++++++++++++++++++++++ +-- +-- get area by pos1 uand pos2 +-- +--+++++++++++++++++++++++++++++++++++++++ +-- input: pos1, pos2 as vector (table) +-- returns the first area found +-- msg/error handling: no +-- return nil if the is no area +-- return id of the first found area +markers.get_area_by_pos1_pos2 = function(pos1, pos2) + -- get nil or id of th efirst area + local found_id = raz:get_area_by_pos1_pos2(pos1, pos2) + --minetest.log("action", "[" .. raz.modname .. "] raz:get_area_by_pos1_pos2(pos1, pos2):"..tostring(minetest.serialize(found)) ) + if found_id ~= nil then + --local data = raz:get_region_datatable(found_id) + local return_table = markers:convert_to_areas(found_id) + --return_table[ 'id' ] = found_id + --return_table[ 'owner' ] = data.owner + --return_table[ 'name' ] = data.region_name + + return return_table + else + return nil + end +end + + + + +-- protect/buy an area +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; + + -- warum? wird das gemacht? + pos1, pos2 = markers: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 = raz:player_can_add_region(pos1, pos2, name) + minetest.chat_send_player(name, "CanAdd = "..tostring(canAdd).." err = "..tostring(errMsg)) + 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) --{}; +-- for id, area in pairs(raz.raz_store:get_areas_for_pos(pos)) do + -- 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 )..'>:'; + id_list = raz.raz_store:get_areas_for_pos(pos) +-- 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 )..'>:'; + local counter = 0 + local data = {} + while raz.raz_store:get_area(counter) do + data = raz:get_region_datatable(counter) + -- for id, area in pairs(areas.areas) do + + 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 + + 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 + id_list = {1,2,4} + + -- 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*'; + local counter = 0 + local data = {} + while raz.raz_store:get_area(counter) do + data = raz:get_region_datatable(counter) + -- for id, area in pairs(areas.areas) do + + if( data.parent == true ) then + table.insert( id_list, counter ); + end + counter = counter + 1 + end + + + elseif( mode=='all' ) then + title = 'All areas withhin '..tostring( markers.AREA_RANGE )..' m:'; + tlabel = '*all areas*'; + + 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 areas so the nearest comes first + local nearsorter = function(a, b) + -- maybe in AreaStore() min and max is user for pos1 , pos2 + return vector.distance(vector.interpolate(raz.raz_store:get_area(a).pos1, raz.raz_store:get_area(a).pos2, 0.5), ppos) < + vector.distance(vector.interpolate(raz.raz_store:get_area(b).pos1, raz.raz_store:get_area(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( raz:get_region_status(pos) ); + + 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 = raz.raz_store:get_area( 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 id or not raz.raz_store:get_area( id )) then + return 'field[info;Error:;Area not found.]'; + end + -- build the this_area table + local this_area = markers:convert_to_areas(id) --{} --raz.raz_store:get_area( id ); + --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, ",") + + 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 or minetest.check_player_privs(pname, { region_admin = true }) ) 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;2.2,0.7;change_owner;Change owner]'.. + 'button_exit[8.0,1.0;2.2,0.7;delete;Delete]'.. + 'button_exit[8.0,1.7;2.2,0.7;rename;Rename]'; --.. +-- 'button_exit[8.0,2.0;2,0.5;list_player_areas;My areas]'; +-- else +-- formspec = formspec.. +-- 'button_exit[8.0,2.0;2,0.5;list_player_areas;Player\'s areas]'; + end + + + + + -- show subowners and areas with the same coordinates + formspec = formspec.. + 'label[0.5,2.5;invited Guests of the area:]'; + local further_owners = this_area.guests--{}; + + 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;2.2,0.5;add_guest;Add Guest]'.. + 'button_exit[8.0,3.0;2.2,0.5;ban_guest;remove Guest]'; + end + else + formspec = formspec.. + 'label[4.7,2.5;-none-]'; + + if( is_owner ) then + formspec = formspec.. + 'button_exit[8.0,2.5;2.2,0.5;add_guest;Add Guest]'.. + 'button_exit[8.0,3.0;2.2,0.5;ban_guest;remove Guest]'; + end + end + + + + -- does the area have subareas, i.e. is it a parent area for others? + local sub_areas = {}; + 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 + + + + + +-- 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 area + if( fields.rename + and menu_data.selected -- raz_store-ID is set + and raz.raz_store:get_area(menu_data.selected) -- there is an region for this ID + and raz:get_region_attribute(menu_data.selected, "owner" ) == pname ) then -- the owner of the ID/region is pname + + 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 + and menu_data.selected -- raz_store-ID is set + and raz.raz_store:get_area(menu_data.selected) -- there is an region for this ID + and ((raz:get_region_attribute(menu_data.selected, "owner" ) == pname ) -- the owner of the ID/region is pname OR region_admin + or minetest.check_player_privs(pname, { region_admin = true }))) then + + local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table + + -- actually rename the area + raz:region_set_attribute(pname, menu_data.selected, "region_name", fields.rename_new_name) + + 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 ); + + + + -- change owner the area + elseif( fields.change_owner + and menu_data.selected -- raz_store-ID is set + and raz.raz_store:get_area(menu_data.selected)) -- there is an region for this ID + then + + -- 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 + and menu_data.selected -- raz_store-ID is set + and raz.raz_store:get_area(menu_data.selected)) -- there is an region for this + then + + local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table + + -- only own areas can be transfered to another player (or region_admin) + if( area.owner ~= pname + and not( minetest.check_player_privs(pname, { region_admin = true }))) then + + minetest.chat_send_player( pname, 'Permission denied. You do not own the region.'); + + -- did pname has the correct privileg? + elseif( not( minetest.check_player_privs(pname, { region_set = true }))) then + + minetest.chat_send_player( pname, 'Permission denied. You do not have the correct privileg.'); + + -- the new Player do not exist + elseif( not( minetest.player_exists( fields.change_owner_name ))) then + + minetest.chat_send_player( pname, 'That player does not exist.'); + + else + -- actually change the owner + raz:region_set_attribute(pname, menu_data.selected, "owner", fields.change_owner_name) + + 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.') + 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 +-- and raz:get_region_attribute(menu_data.selected, "owner" ) == pname ) then -- the owner of the ID/region is pname + + + + local area = markers:convert_to_areas(menu_data.selected) -- get raz_store converted to an areas-table + + formspec = 'field[add_guest_name;Grant access to area \"'..minetest.formspec_escape( area.name )..'\" to player:;-enter player name-]'; + + elseif( fields.add_guest_name + -- the player has to own the area already; we need a diffrent name here + -- and fields.add_guest_name ~= pname + 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 + -- and raz:get_region_attribute(menu_data.selected, "owner" ) == pname ) then -- the owner of the ID/region is pname + + 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 privileg + elseif( not( minetest.check_player_privs(pname, { region_set = true }) -- privileg + and not (raz:get_region_attribute(menu_data.selected, "owner" ) == pname )) -- and owner + or not ( minetest.check_player_privs(pname, { region_admin = true })) ) then -- or admin + + minetest.chat_send_player( pname, 'Permission denied. You do not have the correct privileg.'); + + else + -- log the creation of the new area + 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 addthe guest + raz:region_set_attribute(pname, menu_data.selected, "guest", fields.add_guest_name, true) + + + 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 + --markers.menu_data_by_player[ pname ].selected = new_id; + formspec = markers.get_area_desc_formspec( menu_data.selected, player, menu_data.pos ); + 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 +-- and raz:get_region_attribute(menu_data.selected, "owner" ) == pname ) then -- the owner of the ID/region is pname + + + + 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 + -- the player has to own the area already; we need a diffrent name here + -- and fields.ban_guest_name ~= pname + 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 + -- and raz:get_region_attribute(menu_data.selected, "owner" ) == pname ) then -- the owner of the ID/region is pname + + 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 privileg + elseif( not( minetest.check_player_privs(pname, { region_set = true }) -- privileg + and not (raz:get_region_attribute(menu_data.selected, "owner" ) == pname )) -- and owner + or not ( minetest.check_player_privs(pname, { region_admin = true })) ) then -- or admin + + minetest.chat_send_player( pname, 'Permission denied. You do not have the correct privileg.'); + + else + -- log the creation of the new area + minetest.log("action", pname.." add_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 addthe guest + raz:region_set_attribute(pname, menu_data.selected, "guest", fields.ban_guest_name, false) + + + minetest.chat_send_player( fields.ban_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 + --markers.menu_data_by_player[ pname ].selected = new_id; + formspec = markers.get_area_desc_formspec( menu_data.selected, 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(raz.raz_store:get_areas_for_pos(pos)) do + --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.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 + 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