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That's all there is to it!

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Areas mod for Minetest
======================
Dependencies
------------
Minetest 5.0.0+ is recommended, but 0.4.16+ should work as well.
Minetest 5.0.0+
Optional support for following mods:
* [playerfactions](https://git.leagueh.xyz/katp32/playerfactions/) by [katp32](https://git.leagueh.xyz/katp32) & [Kalio_42](https://git.leagueh.xyz/Kalio_42)
Configuration
-------------
Open the tab `Settings -> All Settings -> Mods -> areas` to get a list of all
possible settings.
For server owners: Check `settingtypes.txt` and modify your `minetest.conf`
according to the wanted setting changes.
Tutorial
--------
1) Specify the corner positions of the area you would like to protect.
Use one of the following commands:
* `/area_pos set` and punch the two corner nodes to set them.
* `/area_pos set1/set2` and punch only the first or second corner node to
set them one at a time.
* `/area_pos1/2` to set one of the positions to your current position.
* `/area_pos1/2 X Y Z` to set one of the positions to the specified
coordinates.
2) Protect the selected area by running one of the following commands:
* `/set_owner <OwnerName> <AreaName>` -- If you have the `areas` privilege.
* `/protect <AreaName>` -- If you have the `areas` privilege or the server
administrator has enabled area self-protection.
The area name is used only for informational purposes and has no functional
importance.
For example: `/set_owner SomePlayer Mese city`
3) You now own an area. You may now add sub-owners to it if you want to (see command `/add_owner`). Before using the `/add_owner` command you have to
select the corners of the sub-area as you did in step 1.
If your markers are still around your original area and you want to grant
access to your entire area you will not have to re-set them. Use `/select_area` to place the markers at the corners of an existing area if you've reset your
markers and want to grant access to a full area.
The `/add_owner` command expects three arguments:
1. The ID number of the parent area (the area that you want to add a
sub-area to).
2. The name of the player that will own the sub-area.
3. The name of the sub-area. (can contain spaces)
For example: `/add_owner 123 BobTheBuilder Diamond lighthouse`
Commands
--------
* `/protect <AreaName>` -- Protects an area for yourself. (if
self-protection is enabled)
* `/set_owner <OwnerName> <AreaName>` -- Protects an area for a specified
player. (requires the `areas` privilege)
* `/add_owner <ParentID> <OwnerName> <ChildName>` -- Grants another player
control over part (or all) of an area.
* `/rename_area <ID> <NewName>` -- Renames an existing area.
* `/list_areas` -- Lists all of the areas that you own, or all areas if you
have the `areas` privilege.
* `/find_areas <Regex>` -- Finds areas using a Lua regular expresion.
For example, to find castles:
/find_areas [Cc]astle
* `/remove_area <ID>` -- Removes an area that you own. Any sub-areas of that
area are made sub-areas of the removed area's parent, if it exists.
If the removed area has no parent it's sub-areas will have no parent.
* `/recursive_remove_areas <ID>` -- Removes an area and all sub-areas of it.
* `/change_owner <ID> <NewOwner>` -- Change the owner of an area.
* `/area_info` -- Returns information about area configuration and usage.
* `/select_area <ID>` -- Sets the area positions to those of an existing
area.
* `/area_pos {set,set1,set2,get}` -- Sets the area positions by punching
nodes or shows the current area positions.
* `/area_pos1 [X,Y,Z|X Y Z]` -- Sets area position one to your position or
the one supplied.
* `/area_pos2 [X,Y,Z|X Y Z]` -- Sets area position two to your position or
the one supplied.
* `/areas_cleanup` -- Removes all ownerless areas.
Useful for cleaning after user deletion, for example using /remove_player.
* `/area_open <ID>` -- Toggle open/closed the specified area for everyone.
* `/area_faction_open <ID> <faction>` -- Toggle open/closed the specified
area for members of the faction. Factions are created and managed by
playerfactions mod.
License
-------
Copyright (C) 2013-2017 ShadowNinja
Copyright (C) 2015-2020 various contributors
Licensed under the GNU LGPL version 2.1 or later.
See LICENSE.txt and http://www.gnu.org/licenses/lgpl-2.1.txt

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local hudHandlers = {}
areas.registered_on_adds = {}
areas.registered_on_removes = {}
areas.registered_on_moves = {}
function areas:registerOnAdd(func)
table.insert(areas.registered_on_adds, func)
end
function areas:registerOnRemove(func)
table.insert(areas.registered_on_removes, func)
end
function areas:registerOnMove(func)
table.insert(areas.registered_on_moves, func)
end
--- Adds a function as a HUD handler, it will be able to add items to the Areas HUD element.
function areas:registerHudHandler(handler)
table.insert(hudHandlers, handler)
end
function areas:getExternalHudEntries(pos)
local areas = {}
for _, func in pairs(hudHandlers) do
func(pos, areas)
end
return areas
end
--- Returns a list of areas that include the provided position.
function areas:getAreasAtPos(pos)
local res = {}
if self.store then
local a = self.store:get_areas_for_pos(pos, false, true)
for store_id, store_area in pairs(a) do
local id = tonumber(store_area.data)
res[id] = self.areas[id]
end
else
local px, py, pz = pos.x, pos.y, pos.z
for id, area in pairs(self.areas) do
local ap1, ap2 = area.pos1, area.pos2
if
(px >= ap1.x and px <= ap2.x) and
(py >= ap1.y and py <= ap2.y) and
(pz >= ap1.z and pz <= ap2.z) then
res[id] = area
end
end
end
return res
end
--- Returns areas that intersect with the passed area.
function areas:getAreasIntersectingArea(pos1, pos2)
local res = {}
if self.store then
local a = self.store:get_areas_in_area(pos1, pos2,
true, false, true)
for store_id, store_area in pairs(a) do
local id = tonumber(store_area.data)
res[id] = self.areas[id]
end
else
self:sortPos(pos1, pos2)
local p1x, p1y, p1z = pos1.x, pos1.y, pos1.z
local p2x, p2y, p2z = pos2.x, pos2.y, pos2.z
for id, area in pairs(self.areas) do
local ap1, ap2 = area.pos1, area.pos2
if
(ap1.x <= p2x and ap2.x >= p1x) and
(ap1.y <= p2y and ap2.y >= p1y) and
(ap1.z <= p2z and ap2.z >= p1z) then
-- Found an intersecting area.
res[id] = area
end
end
end
return res
end
-- Checks if the area is unprotected or owned by you
function areas:canInteract(pos, name)
if minetest.check_player_privs(name, self.adminPrivs) then
return true
end
local owned = false
for _, area in pairs(self:getAreasAtPos(pos)) do
if area.owner == name or area.open then
return true
elseif areas.factions_available and area.faction_open then
if (factions.version or 0) < 2 then
local faction_name = factions.get_player_faction(name)
if faction_name then
for _, fname in ipairs(area.faction_open or {}) do
if faction_name == fname then
return true
end
end
end
else
for _, fname in ipairs(area.faction_open or {}) do
if factions.player_is_in_faction(fname, name) then
return true
end
end
end
end
owned = true
end
return not owned
end
-- Returns a table (list) of all players that own an area
function areas:getNodeOwners(pos)
local owners = {}
for _, area in pairs(self:getAreasAtPos(pos)) do
table.insert(owners, area.owner)
end
return owners
end
--- Checks if the area intersects with an area that the player can't interact in.
-- Note that this fails and returns false when the specified area is fully
-- owned by the player, but with multiple protection zones, none of which
-- cover the entire checked area.
-- @param name (optional) Player name. If not specified checks for any intersecting areas.
-- @param allow_open Whether open areas should be counted as if they didn't exist.
-- @return Boolean indicating whether the player can interact in that area.
-- @return Un-owned intersecting area ID, if found.
function areas:canInteractInArea(pos1, pos2, name, allow_open)
if name and minetest.check_player_privs(name, self.adminPrivs) then
return true
end
self:sortPos(pos1, pos2)
-- Intersecting non-owned area ID, if found.
local blocking_area = nil
local areas = self:getAreasIntersectingArea(pos1, pos2)
for id, area in pairs(areas) do
-- First check for a fully enclosing owned area.
-- A little optimization: isAreaOwner isn't necessary
-- here since we're iterating over all relevant areas.
if area.owner == name and
self:isSubarea(pos1, pos2, id) then
return true
end
-- Then check for intersecting non-owned (blocking) areas.
-- We don't bother with this check if we've already found a
-- blocking area, as the check is somewhat expensive.
-- The area blocks if the area is closed or open areas aren't
-- acceptable to the caller, and the area isn't owned.
-- Note: We can't return directly here, because there might be
-- an exclosing owned area that we haven't gotten to yet.
if not blocking_area and
(not allow_open or not area.open) and
(not name or not self:isAreaOwner(id, name)) then
blocking_area = id
end
end
if blocking_area then
return false, blocking_area
end
-- There are no intersecting areas or they are only partially
-- intersecting areas and they are all owned by the player.
return true
end

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Areas mod API
===
API list
---
* `areas:registerHudHandler(handler)` - Registers a handler to add items to the Areas HUD. See [HUD](#hud).
* `areas:registerOnAdd(func(id, area))`
* `areas:registerOnRemove(func(id))`
* `areas:registerOnMove(func(id, area, pos1, pos2))`
HUD
---
If you are making a protection mod or a similar mod that adds invisible regions
to the world, and you would like then to show up in the areas HUD element, you
can register a callback to show your areas.
HUD handler specification:
* `handler(pos, list)`
* `pos` - The position to check.
* `list` - The list of area HUD elements, this should be modified in-place.
The area list item is a table containing a list of tables with the following fields:
* `id` - An identifier for the area. This should be a unique string in the format `mod:id`.
* `name` - The name of the area.
* `owner` - The player name of the region owner, if any.
All of the fields are optional but at least one of them must be set.
### Example
local function areas_hud_handler(pos, areas)
local val = find_my_protection(pos)
if val then
table.insert(areas, {
id = "mod:"..val.id,
name = val.name,
owner = val.owner,
})
end
end
areas:registerHudHandler(areas_hud_handler)

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local S = minetest.get_translator("areas")
minetest.register_chatcommand("protect", {
params = S("<AreaName>"),
description = S("Protect your own area"),
privs = {creative=true},
func = function(name, param)
if param == "" then
return false, S("Invalid usage, see /help @1.", "protect")
end
local pos1, pos2 = areas:getPos(name)
if not (pos1 and pos2) then
return false, S("You need to select an area first.")
end
minetest.log("action", "/protect invoked, owner="..name..
" AreaName="..param..
" StartPos="..minetest.pos_to_string(pos1)..
" EndPos=" ..minetest.pos_to_string(pos2))
local canAdd, errMsg = areas:canPlayerAddArea(pos1, pos2, name)
if not canAdd then
return false, S("You can't protect that area: @1", errMsg)
end
local id = areas:add(name, param, pos1, pos2, nil)
areas:save()
return true, S("Area protected. ID: @1", id)
end
})
minetest.register_chatcommand("set_owner", {
params = S("<PlayerName>").." "..S("<AreaName>"),
description = S("Protect an area between two positions and give"
.." a player access to it without setting the parent of the"
.." area to any existing area"),
privs = areas.adminPrivs,
func = function(name, param)
local ownerName, areaName = param:match('^(%S+)%s(.+)$')
if not ownerName then
return false, S("Invalid usage, see /help @1.", "set_owner")
end
local pos1, pos2 = areas:getPos(name)
if not (pos1 and pos2) then
return false, S("You need to select an area first.")
end
if not areas:player_exists(ownerName) then
return false, S("The player \"@1\" does not exist.", ownerName)
end
minetest.log("action", name.." runs /set_owner. Owner = "..ownerName..
" AreaName = "..areaName..
" StartPos = "..minetest.pos_to_string(pos1)..
" EndPos = " ..minetest.pos_to_string(pos2))
local id = areas:add(ownerName, areaName, pos1, pos2, nil)
areas:save()
minetest.chat_send_player(ownerName,
S("You have been granted control over area #@1. "..
"Type /list_areas to show your areas.", id))
return true, S("Area protected. ID: @1", id)
end
})
minetest.register_chatcommand("add_owner", {
params = S("<ParentID>").." "..S("<PlayerName>").." "..S("<AreaName>"),
description = S("Give a player access to a sub-area beetween two"
.." positions that have already been protected,"
.." Use set_owner if you don't want the parent to be set."),
func = function(name, param)
local pid, ownerName, areaName = param:match('^(%d+) ([^ ]+) (.+)$')
if not pid then
minetest.chat_send_player(name, S("Invalid usage, see /help @1.", "add_owner"))
return
end
local pos1, pos2 = areas:getPos(name)
if not (pos1 and pos2) then
return false, S("You need to select an area first.")
end
if not areas:player_exists(ownerName) then
return false, S("The player \"@1\" does not exist.", ownerName)
end
minetest.log("action", name.." runs /add_owner. Owner = "..ownerName..
" AreaName = "..areaName.." ParentID = "..pid..
" StartPos = "..pos1.x..","..pos1.y..","..pos1.z..
" EndPos = " ..pos2.x..","..pos2.y..","..pos2.z)
-- Check if this new area is inside an area owned by the player
pid = tonumber(pid)
if (not areas:isAreaOwner(pid, name)) or
(not areas:isSubarea(pos1, pos2, pid)) then
return false, S("You can't protect that area.")
end
local id = areas:add(ownerName, areaName, pos1, pos2, pid)
areas:save()
minetest.chat_send_player(ownerName,
S("You have been granted control over area #@1. "..
"Type /list_areas to show your areas.", id))
return true, S("Area protected. ID: @1", id)
end
})
minetest.register_chatcommand("rename_area", {
params = S("<ID>").." "..S("<newName>"),
description = S("Rename an area that you own"),
func = function(name, param)
local id, newName = param:match("^(%d+)%s(.+)$")
if not id then
return false, S("Invalid usage, see /help @1.", "rename_area")
end
id = tonumber(id)
if not id then
return false, S("That area doesn't exist.")
end
if not areas:isAreaOwner(id, name) then
return true, S("You don't own that area.")
end
areas.areas[id].name = newName
areas:save()
return true, S("Area renamed.")
end
})
minetest.register_chatcommand("find_areas", {
params = "<regexp>",
description = S("Find areas using a Lua regular expression"),
privs = areas.adminPrivs,
func = function(name, param)
if param == "" then
return false, S("A regular expression is required.")
end
-- Check expression for validity
local function testRegExp()
("Test [1]: Player (0,0,0) (0,0,0)"):find(param)
end
if not pcall(testRegExp) then
return false, S("Invalid regular expression.")
end
local matches = {}
for id, area in pairs(areas.areas) do
local str = areas:toString(id)
if str:find(param) then
table.insert(matches, str)
end
end
if #matches > 0 then
return true, table.concat(matches, "\n")
else
return true, S("No matches found.")
end
end
})
minetest.register_chatcommand("list_areas", {
description = S("List your areas, or all areas if you are an admin."),
func = function(name, param)
local admin = minetest.check_player_privs(name, areas.adminPrivs)
local areaStrings = {}
for id, area in pairs(areas.areas) do
if admin or areas:isAreaOwner(id, name) then
table.insert(areaStrings, areas:toString(id))
end
end
if #areaStrings == 0 then
return true, S("No visible areas.")
end
return true, table.concat(areaStrings, "\n")
end
})
minetest.register_chatcommand("recursive_remove_areas", {
params = S("<ID>"),
description = S("Recursively remove areas using an ID"),
func = function(name, param)
local id = tonumber(param)
if not id then
return false, S("Invalid usage, see"
.." /help @1.", "recursive_remove_areas")
end
if not areas:isAreaOwner(id, name) then
return false, S("Area @1 does not exist or is"
.." not owned by you.", id)
end
areas:remove(id, true)
areas:save()
return true, S("Removed area @1 and it's sub areas.", id)
end
})
minetest.register_chatcommand("remove_area", {
params = S("<ID>"),
description = S("Remove an area using an ID"),
func = function(name, param)
local id = tonumber(param)
if not id then
return false, S("Invalid usage, see /help @1.", "remove_area")
end
if not areas:isAreaOwner(id, name) then
return false, S("Area @1 does not exist or"
.." is not owned by you.", id)
end
areas:remove(id)
areas:save()
return true, S("Removed area @1", id)
end
})
minetest.register_chatcommand("change_owner", {
params = S("<ID>").." "..S("<NewOwner>"),
description = S("Change the owner of an area using its ID"),
func = function(name, param)
local id, newOwner = param:match("^(%d+)%s(%S+)$")
if not id then
return false, S("Invalid usage, see"
.." /help @1.", "change_owner")
end
if not areas:player_exists(newOwner) then
return false, S("The player \"@1\" does not exist.", newOwner)
end
id = tonumber(id)
if not areas:isAreaOwner(id, name) then
return false, S("Area @1 does not exist"
.." or is not owned by you.", id)
end
areas.areas[id].owner = newOwner
areas:save()
minetest.chat_send_player(newOwner,
S("@1 has given you control over the area \"@2\" (ID @3).",
name, areas.areas[id].name, id))
return true, S("Owner changed.")
end
})
minetest.register_chatcommand("area_open", {
params = S("<ID>"),
description = S("Toggle an area open (anyone can interact) or closed"),
func = function(name, param)
local id = tonumber(param)
if not id then
return false, S("Invalid usage, see /help @1.", "area_open")
end
if not areas:isAreaOwner(id, name) then
return false, S("Area @1 does not exist"
.." or is not owned by you.", id)
end
local open = not areas.areas[id].open
-- Save false as nil to avoid inflating the DB.
areas.areas[id].open = open or nil
areas:save()
return true, open and S("Area opened.") or S("Area closed.")
end
})
minetest.register_chatcommand("move_area", {
params = S("<ID>"),
description = S("Move (or resize) an area to the current positions."),
privs = areas.adminPrivs,
func = function(name, param)
local id = tonumber(param)
if not id then
return false, S("Invalid usage, see /help @1.", "move_area")
end
local area = areas.areas[id]
if not area then
return false, S("Area does not exist.")
end
local pos1, pos2 = areas:getPos(name)
if not pos1 then
return false, S("You need to select an area first.")
end
areas:move(id, area, pos1, pos2)
areas:save()
return true, S("Area successfully moved.")
end,
})
minetest.register_chatcommand("area_info", {
description = S("Get information about area configuration and usage."),
func = function(name, param)
local lines = {}
local privs = minetest.get_player_privs(name)
-- Short (and fast to access) names
local cfg = areas.config
local self_prot = cfg.self_protection
local prot_priv = cfg.self_protection_privilege
local limit = cfg.self_protection_max_areas
local limit_high = cfg.self_protection_max_areas_high
local size_limit = cfg.self_protection_max_size
local size_limit_high = cfg.self_protection_max_size_high
local has_high_limit = privs.areas_high_limit
local has_prot_priv = not prot_priv or privs[prot_priv]
local can_prot = privs.creative or (self_prot and has_prot_priv)
local max_count = can_prot and
(has_high_limit and limit_high or limit) or 0
local max_size = has_high_limit and
size_limit_high or size_limit
-- Self protection information
local self_prot_line = self_prot and S("Self protection is enabled.") or
S("Self protection is disabled.")
table.insert(lines, self_prot_line)
-- Privilege information
local priv_line = has_prot_priv and
S("You have the necessary privilege (\"@1\").", prot_priv) or
S("You don't have the necessary privilege (\"@1\").", prot_priv)
table.insert(lines, priv_line)
if privs.areas then
table.insert(lines, S("You are an area"..
" administrator (\"areas\" privilege)."))
elseif has_high_limit then
table.insert(lines,
S("You have extended area protection"..
" limits (\"areas_high_limit\" privilege)."))
end
-- Area count
local area_num = 0
for id, area in pairs(areas.areas) do
if area.owner == name then
area_num = area_num + 1
end
end
table.insert(lines, S("You have @1 areas.", area_num))
-- Area limit
local area_limit_line = privs.areas and
S("Limit: no area count limit") or
S("Limit: @1 areas", max_count)
table.insert(lines, area_limit_line)
-- Area size limits
local function size_info(str, size)
table.insert(lines, S("@1 spanning up to @2x@3x@4.",
str, size.x, size.y, size.z))
end
local function priv_limit_info(lpriv, lmax_count, lmax_size)
size_info(S("Players with the \"@1\" privilege"..
" can protect up to @2 areas", lpriv, lmax_count),
lmax_size)
end
if self_prot then
if privs.areas then
priv_limit_info(prot_priv,
limit, size_limit)
priv_limit_info("areas_high_limit",
limit_high, size_limit_high)
elseif has_prot_priv then
size_info(S("You can protect areas"), max_size)
end
end
return true, table.concat(lines, "\n")
end,
})
minetest.register_chatcommand("areas_cleanup", {
description = S("Removes all ownerless areas"),
privs = areas.adminPrivs,
func = function()
local total, count = 0, 0
local aareas = areas.areas
for id, _ in pairs(aareas) do
local owner = aareas[id].owner
if not areas:player_exists(owner) then
areas:remove(id)
count = count + 1
end
total = total + 1
end
areas:save()
return true, "Total areas: " .. total .. ", Removed " ..
count .. " areas. New count: " .. (total - count)
end
})

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-- This is inspired by the landrush mod by Bremaweb
local S = minetest.get_translator("areas")
areas.hud = {}
areas.hud.refresh = 0
minetest.register_globalstep(function(dtime)
areas.hud.refresh = areas.hud.refresh + dtime
if areas.hud.refresh > areas.config["tick"] then
areas.hud.refresh = 0
else
return
end
for _, player in pairs(minetest.get_connected_players()) do
local name = player:get_player_name()
local pos = vector.round(player:get_pos())
pos = vector.apply(pos, function(p)
return math.max(math.min(p, 2147483), -2147483)
end)
local areaStrings = {}
for id, area in pairs(areas:getAreasAtPos(pos)) do
local faction_info
if area.faction_open and areas.factions_available then
-- Gather and clean up disbanded factions
local changed = false
for i, fac_name in ipairs(area.faction_open) do
if not factions.get_owner(fac_name) then
table.remove(area.faction_open, i)
changed = true
end
end
if #area.faction_open == 0 then
-- Prevent DB clutter, remove value
area.faction_open = nil
else
faction_info = table.concat(area.faction_open, ", ")
end
if changed then
areas:save()
end
end
table.insert(areaStrings, ("%s [%u] (%s%s%s)")
:format(area.name, id, area.owner,
area.open and S(":open") or "",
faction_info and ": "..faction_info or ""))
end
for i, area in pairs(areas:getExternalHudEntries(pos)) do
local str = ""
if area.name then str = area.name .. " " end
if area.id then str = str.."["..area.id.."] " end
if area.owner then str = str.."("..area.owner..")" end
table.insert(areaStrings, str)
end
local areaString = S("Areas:")
if #areaStrings > 0 then
areaString = areaString.."\n"..
table.concat(areaStrings, "\n")
end
local hud = areas.hud[name]
if not hud then
hud = {}
areas.hud[name] = hud
hud.areasId = player:hud_add({
hud_elem_type = "text",
name = "Areas",
number = 0xFFFFFF,
position = {x=0, y=1},
offset = {x=8, y=-8},
text = areaString,
scale = {x=200, y=60},
alignment = {x=1, y=-1},
})
hud.oldAreas = areaString
return
elseif hud.oldAreas ~= areaString then
player:hud_change(hud.areasId, "text", areaString)
hud.oldAreas = areaString
end
end
end)
minetest.register_on_leaveplayer(function(player)
areas.hud[player:get_player_name()] = nil
end)

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-- Areas mod by ShadowNinja
-- Based on node_ownership
-- License: LGPLv2+
areas = {}
areas.adminPrivs = {areas=true}
areas.startTime = os.clock()
areas.modpath = minetest.get_modpath("areas")
dofile(areas.modpath.."/settings.lua")
dofile(areas.modpath.."/api.lua")
dofile(areas.modpath.."/internal.lua")
dofile(areas.modpath.."/chatcommands.lua")
dofile(areas.modpath.."/pos.lua")
dofile(areas.modpath.."/interact.lua")
dofile(areas.modpath.."/hud.lua")
areas:load()
local S = minetest.get_translator("areas")
minetest.register_privilege("areas", {
description = S("Can administer areas."),
give_to_singleplayer = false
})
if not minetest.registered_privileges[areas.config.self_protection_privilege] then
minetest.register_privilege(areas.config.self_protection_privilege, {
description = S("Can protect areas."),
})
end
if minetest.settings:get_bool("log_mods") then
local diffTime = os.clock() - areas.startTime
minetest.log("action", "areas loaded in "..diffTime.."s.")
end

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local S = minetest.get_translator("areas")
local old_is_protected = minetest.is_protected
function minetest.is_protected(pos, name)
if not areas:canInteract(pos, name) then
return true
end
return old_is_protected(pos, name)
end
minetest.register_on_protection_violation(function(pos, name)
if not areas:canInteract(pos, name) then
local owners = areas:getNodeOwners(pos)
minetest.chat_send_player(name,
S("@1 is protected by @2.",
minetest.pos_to_string(pos),
table.concat(owners, ", ")))
end
end)

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local S = minetest.get_translator("areas")
function areas:player_exists(name)
return minetest.get_auth_handler().get_auth(name) ~= nil
end
local safe_file_write = minetest.safe_file_write
if safe_file_write == nil then
function safe_file_write(path, content)
local file, err = io.open(path, "w")
if err then
return err
end
file:write(content)
file:close()
end
end
-- Save the areas table to a file
function areas:save()
local datastr = minetest.write_json(self.areas)
if not datastr then
minetest.log("error", "[areas] Failed to serialize area data!")
return
end
return safe_file_write(self.config.filename, datastr)
end
-- Load the areas table from the save file
function areas:load()
local file, err = io.open(self.config.filename, "r")
if err then
self.areas = self.areas or {}
return err
end
local data = file:read("*a")
if data:sub(1, 1) == "[" then
self.areas, err = minetest.parse_json(data)
else
self.areas, err = minetest.deserialize(data)
end
if type(self.areas) ~= "table" then
self.areas = {}
end
if err and #data > 10 then
minetest.log("error", "[areas] Failed to load area data: " ..
tostring(err))
end
file:close()
self:populateStore()
end
--- Checks an AreaStore ID.
-- Deletes the AreaStore (falling back to the iterative method)
-- and prints an error message if the ID is invalid.
-- @return Whether the ID was valid.
function areas:checkAreaStoreId(sid)
if not sid then
minetest.log("error", "AreaStore failed to find an ID for an "
.."area! Falling back to iterative area checking.")
self.store = nil
self.store_ids = nil
end
return sid and true or false
end
-- Populates the AreaStore after loading, if needed.
function areas:populateStore()
if not rawget(_G, "AreaStore") then
return
end
local store = AreaStore()
local store_ids = {}
for id, area in pairs(areas.areas) do
local sid = store:insert_area(area.pos1,
area.pos2, tostring(id))
if not self:checkAreaStoreId(sid) then
return
end
store_ids[id] = sid
end
self.store = store
self.store_ids = store_ids
end
-- Finds the first usable index in a table
-- Eg: {[1]=false,[4]=true} -> 2
local function findFirstUnusedIndex(t)
local i = 0
repeat i = i + 1
until t[i] == nil
return i
end
--- Add a area.
-- @return The new area's ID.
function areas:add(owner, name, pos1, pos2, parent)
local id = findFirstUnusedIndex(self.areas)
self.areas[id] = {
name = name,
pos1 = pos1,
pos2 = pos2,
owner = owner,
parent = parent
}
for i=1, #areas.registered_on_adds do
areas.registered_on_adds[i](id, self.areas[id])
end
-- Add to AreaStore
if self.store then
local sid = self.store:insert_area(pos1, pos2, tostring(id))
if self:checkAreaStoreId(sid) then
self.store_ids[id] = sid
end
end
return id
end
--- Remove a area, and optionally it's children recursively.
-- If a area is deleted non-recursively the children will
-- have the removed area's parent as their new parent.
function areas:remove(id, recurse)
if recurse then
-- Recursively find child entries and remove them
local cids = self:getChildren(id)
for _, cid in pairs(cids) do
self:remove(cid, true)
end
else
-- Update parents
local parent = self.areas[id].parent
local children = self:getChildren(id)
for _, cid in pairs(children) do
-- The subarea parent will be niled out if the
-- removed area does not have a parent
self.areas[cid].parent = parent
end
end
for i=1, #areas.registered_on_removes do
areas.registered_on_removes[i](id)
end
-- Remove main entry
self.areas[id] = nil
-- Remove from AreaStore
if self.store then
self.store:remove_area(self.store_ids[id])
self.store_ids[id] = nil
end
end
--- Move an area.
function areas:move(id, area, pos1, pos2)
area.pos1 = pos1
area.pos2 = pos2
for i=1, #areas.registered_on_moves do
areas.registered_on_moves[i](id, area, pos1, pos2)
end
if self.store then
self.store:remove_area(areas.store_ids[id])
local sid = self.store:insert_area(pos1, pos2, tostring(id))
if self:checkAreaStoreId(sid) then
self.store_ids[id] = sid
end
end
end
-- Checks if a area between two points is entirely contained by another area.
-- Positions must be sorted.
function areas:isSubarea(pos1, pos2, id)
local area = self.areas[id]
if not area then
return false
end
local ap1, ap2 = area.pos1, area.pos2
local ap1x, ap1y, ap1z = ap1.x, ap1.y, ap1.z
local ap2x, ap2y, ap2z = ap2.x, ap2.y, ap2.z
local p1x, p1y, p1z = pos1.x, pos1.y, pos1.z
local p2x, p2y, p2z = pos2.x, pos2.y, pos2.z
if
(p1x >= ap1x and p1x <= ap2x) and
(p2x >= ap1x and p2x <= ap2x) and
(p1y >= ap1y and p1y <= ap2y) and
(p2y >= ap1y and p2y <= ap2y) and
(p1z >= ap1z and p1z <= ap2z) and
(p2z >= ap1z and p2z <= ap2z) then
return true
end
end
-- Returns a table (list) of children of an area given it's identifier
function areas:getChildren(id)
local children = {}
for cid, area in pairs(self.areas) do
if area.parent and area.parent == id then
table.insert(children, cid)
end
end
return children
end
-- Checks if the user has sufficient privileges.
-- If the player is not a administrator it also checks
-- if the area intersects other areas that they do not own.
-- Also checks the size of the area and if the user already
-- has more than max_areas.
function areas:canPlayerAddArea(pos1, pos2, name)
local privs = minetest.get_player_privs(name)
if privs.creative then
return true
end
-- Check self protection privilege, if it is enabled,
-- and if the area is too big.
if not self.config.self_protection or
not privs[areas.config.self_protection_privilege] then
return false, S("Self protection is disabled or you do not have"
.." the necessary privilege.")
end
local max_size = privs.areas_high_limit and
self.config.self_protection_max_size_high or
self.config.self_protection_max_size
if
(pos2.x - pos1.x) > max_size.x or
(pos2.y - pos1.y) > max_size.y or
(pos2.z - pos1.z) > max_size.z then
return false, S("Area is too big.")
end
-- Check number of areas the user has and make sure it not above the max
local count = 0
for _, area in pairs(self.areas) do
if area.owner == name then
count = count + 1
end
end
local max_areas = privs.areas_high_limit and
self.config.self_protection_max_areas_high or
self.config.self_protection_max_areas
if count >= max_areas then
return false, S("You have reached the maximum amount of"
.." areas that you are allowed to protect.")
end
-- Check intersecting areas
local can, id = self:canInteractInArea(pos1, pos2, name)
if not can then
local area = self.areas[id]
return false, S("The area intersects with @1 [@2] (@3).",
area.name, id, area.owner)
end
return true
end
-- Given a id returns a string in the format:
-- "name [id]: owner (x1, y1, z1) (x2, y2, z2) -> children"
function areas:toString(id)
local area = self.areas[id]
local message = ("%s [%d]: %s %s %s"):format(
area.name, id, area.owner,
minetest.pos_to_string(area.pos1),
minetest.pos_to_string(area.pos2))
local children = areas:getChildren(id)
if #children > 0 then
message = message.." -> "..table.concat(children, ", ")
end
return message
end
-- Re-order areas in table by their identifiers
function areas:sort()
local sa = {}
for k, area in pairs(self.areas) do
if not area.parent then
table.insert(sa, area)
local newid = #sa
for _, subarea in pairs(self.areas) do
if subarea.parent == k then
subarea.parent = newid
table.insert(sa, subarea)
end
end
end
end
self.areas = sa
end
-- Checks if a player owns an area or a parent of it
function areas:isAreaOwner(id, name)
local cur = self.areas[id]
if cur and minetest.check_player_privs(name, self.adminPrivs) then
return true
end
while cur do
if cur.owner == name then
return true
elseif cur.parent then
cur = self.areas[cur.parent]
else
return false
end
end
return false
end

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# textdomain: areas
### chatcommands.lua ###
<AreaName>=<NomZone>
<ID> [faction_name]=<ID> [nom_de_faction]
<NewOwner>=<NouveauPropriétaire>
<ParentID>=<IDZonePrincipale>
<PlayerName>=<NomJoueur>
<newName>=<NouveauNom>
@1 has given you control over the area "@2" (ID @3).=@1 vous a donné le contrôle de la zone "@2" (ID @3).
@1 spanning up to @2x@3x@4.=@1 s’étendant jusqu’à @2x@3x@4.
A regular expression is required.=Une expression régulière est requise.
Area @1 does not exist or is not owned by you.=La zone @1 n’existe pas ou ne vous appartient pas.
Area closed for faction members.=Zone fermée aux membres de la faction.
Area closed.=Zone fermée.
Area does not exist.=La zone n’existe pas.
Area is open for members of: @1=Zone ouverte aux membres de ces factions : @1
Area opened.=Zone ouverte.
Area protected. ID: @1=Zone protégée. ID : @1
Area renamed.=Zone renommée.
Area successfully moved.=Zone déplacée avec succès.
Change the owner of an area using its ID=Change le propriétaire d’une zone en utilisant son ID.
Faction doesn't exists=La faction n'existe pas
Find areas using a Lua regular expression=Trouve les zones en utilisant une expression régulière Lua.
Get information about area configuration and usage.=Obtient des informations sur la configuration des zones et l’utilisation des zones.
Give a player access to a sub-area beetween two positions that have already been protected, Use set_owner if you don't want the parent to be set.=Donne au joueur accès aux sous-zones entre deux positions qui ont déjà été protégées ; utilisez set_owner si vous ne voulez pas que la zone pricipale soit définie.
Invalid regular expression.=Expression régulière invalide.
Limit: @1 areas=Limite: @1 zones.
Limit: no area count limit=Limite: pas de limite de nombre de zones.
List your areas, or all areas if you are an admin.=Liste vos zones, ou toutes les zones si vous êtes administrateur.
Move (or resize) an area to the current positions.=Déplace (ou redimensionne) une zone aux positions actuelles.
No matches found.=Aucun résultat.
No visible areas.=Pas de zone visible.
Owner changed.=Propriétaire changé.
Players with the "@1" privilege can protect up to @2 areas=Les joueurs avec le privilège "@1" peuvent protéger jusqu’à @2 zones
Protect an area between two positions and give a player access to it without setting the parent of the area to any existing area=Protège une zone entre deux positions et donne à un joueur accès à cette zone sans définir la zone principale de cette zone ni aucune zone existante.
Protect your own area=Protège votre zone.
Recursively remove areas using an ID=Supprime les zones récursivement en utilisant un ID.
Remove an area using an ID=Supprime une zone en utilisant son ID.
Removed area @1=Zone @1 supprimée.
Removed area @1 and it's sub areas.=Zone @1 et ses sous-zones supprimées.
Removes all ownerless areas=Supprime toutes les zones sans propriétaire
Rename an area that you own=Renomme une zone qui vous appartient.
Self protection is disabled.=L’autoprotection est désactivée.
Self protection is enabled.=L’autoprotection est activée.
That area doesn't exist.=La zone n’existe pas.
The player "@1" does not exist.=Le joueur "@1" n’existe pas.
Toggle an area open (anyone can interact) or closed=Bascule entre zone ouverte (tout le monde peut intéragir) ou fermée.
Toggle an area open/closed for members in your faction.=Bascule entre zone ouverte/fermée pour les membres de votre faction.
You are an area administrator ("areas" privilege).=Vous êtes un administrateur de zone (privilège "areas").
You can protect areas=Vous pouvez protéger des zones.
You can't protect that area.=Vous ne pouvez pas protéger cette zone.
You can't protect that area: @1=Vous ne pouvez pas protéger cette zone : @1.
You don't have the necessary privilege ("@1").=Vous n’avez pas le privilège nécessaire ("@1").
You don't own that area.=Vous ne possédez pas cette zone.
You have @1 areas.=Vous avez @1 zones.
You have been granted control over area #@1. Type /list_areas to show your areas.=Vous avez reçu l’autorisation de contrôler la zone #@1.
You have extended area protection limits ("areas_high_limit" privilege).=Votre limite de protection de zones est étendue (privilège "areas_high_limit").
You have the necessary privilege ("@1").=Vous avez le privilège nécessaire ("@1").
You need to select an area first.=Vous devez sélectionner une zone d’abord.
### chatcommands.lua ###
### pos.lua ###
<ID>=<ID>
Invalid usage, see /help @1.=Utilisation incorrecte, voir /help @1.
### hud.lua ###
:open= : ouverte
Areas:=Zones :
### init.lua ###
Can administer areas.=Permet d’administrer des zones.
Can protect areas.=Permet de protéger des zones.
Can protect more, bigger areas.=Permet de protéger plus, et de plus grandes zones.
### interact.lua ###
@1 is protected by @2.=@1 est protégée par @2.
### internal.lua ###
Area is too big.=La zone est trop grande.
Self protection is disabled or you do not have the necessary privilege.=L’autoprotection est désactivée ou vous n’avez pas le privilège nécessaire.
The area intersects with @1 [@2] (@3).=La zone a une intersection avec @1 [@2] (@3).
You have reached the maximum amount of areas that you are allowed to protect.=Vous avez atteint le nombre maximum de zones que vous êtes autorisé à protéger.
### legacy.lua ###
<version>=<version>
Converted areas saved. Done.=Zones converties sauvegardées. Fait.
Converting areas…=Conversion des zones…
Error loading legacy file: @1=Erreur lors du chargement du fichier : @1
Invalid version number. (0 allowed)=Numéro de version invalide. (0 autorisé)
Legacy file loaded.=Fichier obsolète chargé.
Loads, converts, and saves the areas from a legacy save file.=Charge, fait la conversion et sauvegarde les zones depuis un fichier de sauvegarde obsolète.
Table format updated.=Format de tableau mis à jour.
unnamed=Non nommé
### pos.lua ###
<not set>=<no définie>
Area @1 selected.=Zone @1 sélectionnée.
Area position @1 set to @2=Position @1 de la zone définie à @2.
Position @1 set to @2=Position @1 définie à @2.
Position @1: =Position @1 :
Select an area by ID.=Sélectionnez une zone par son ID.
Select position @1 by punching a node.=Sélectionnez une position en frappant un bloc.
Select positions by punching two nodes.=Sélectionnez une position en frappant deux blocs.
Set area protection region position @1 to your location or the one specified=Définit la position @1 de la région de protection de zone à votre position ou à celle spécifiée.
Set area protection region, position 1, or position 2 by punching nodes, or display the region=Définit la région de protection de zone, la position 1, ou la position 2 en frappant des blocs, ou en affichant la région.
The area @1 does not exist.=La zone @1 n’existe pas.
Unable to get position.=Impossible d’obtenir la position.
Unknown subcommand: @1=Sous-commande inconnue : @1

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# textdomain: areas
### chatcommands.lua ###
<AreaName>=<NomeArea>
<ID> [faction_name]= <ID> [nome_fazione]
<NewOwner>=<NuovoProprietario>
<ParentID>=<IDparent>
<PlayerName>=<NomeGiocatore>
<newName>=<nuovoNome>
@1 has given you control over the area "@2" (ID @3).=@1 ti ha dato il controllo sull'area "@2" (ID @3).
@1 spanning up to @2x@3x@4.=@1 si estende fino a @2x@3@4.
A regular expression is required.=È necessaria una espressione regolare.
Area @1 does not exist or is not owned by you.=L'area @1 non esiste o non è di tua proprietà.
Area closed for faction members.=Area chiusa per i membri della fazione.
Area closed.=Area chiusa.
Area does not exist.=L'area non esiste.
Area is open for members of: @1=L'area è aperta ai membri di: @1
Area opened.=Area aperta.
Area protected. ID: @1=Area protetta. ID: @1
Area renamed.=Area rinominata.
Area successfully moved.=Area spostata con successo.
Change the owner of an area using its ID=Cambia il proprietario di un'area usando il suo ID
Faction doesn't exists=La fazione non esiste
Find areas using a Lua regular expression=Trova aree usando una espressione regolare Lua
Get information about area configuration and usage.=Ottieni informazioni sulla configurazione e l'uso delle aree.
Give a player access to a sub-area beetween two positions that have already been protected, Use set_owner if you don't want the parent to be set.=Dai a un giocatore l'accesso a una sotto-area tra due posizioni che sono già state protette, usa set_owner se non vuoi che sia impostato il parent.
Invalid regular expression.=Espressione regolare non valida.
Limit: @1 areas=Limite: @1 aree
Limit: no area count limit=Limite: nessun limite al numero delle aree
List your areas, or all areas if you are an admin.=Elenca le tue aree, o tutte le aree se sei un amministratore.
Move (or resize) an area to the current positions.=Sposta (o ridimensiona) un'area alle posizioni attuali.
No matches found.=Nessuna corrispondenza trovata.
No visible areas.=Nessuna area visibile.
Owner changed.=Proprietario cambiato.
Players with the "@1" privilege can protect up to @2 areas=I giocatori col privilegio "@1" possono proteggere fino a @2 aree
Protect an area between two positions and give a player access to it without setting the parent of the area to any existing area=Proteggi un'area tra due posizioni e danne l'accesso a un giocatore senza impostare il parent dell'area a qualsiasi area esistente
Protect your own area=Proteggi la tua area
Recursively remove areas using an ID=Elimina ricorsivamente delle aree usando un ID
Remove an area using an ID=Elimina un'area usando un ID
Removed area @1=Eliminata l'area @1
Removed area @1 and it's sub areas.=Eliminata l'area @1 e le sue sotto-aree.
Removes all ownerless areas=
Rename an area that you own=Rinomina un'area che ti appartiene
Self protection is disabled.=L'auto-protezione è disattivata.
Self protection is enabled.=L'auto-protezione è attivata.
That area doesn't exist.=Quell'area non esiste.
The player "@1" does not exist.=Il giocatore "@1" non esiste.
Toggle an area open (anyone can interact) or closed=Apri o chiudi un'area (chiunque può interagirvi)
Toggle an area open/closed for members in your faction.=Apri o chiudi un'area per i membri della tua fazione.
You are an area administrator ("areas" privilege).=Sei un amministratore di aree (privilegio "areas")
You can protect areas=Puoi proteggere aree
You can't protect that area.=Non puoi proteggere quell'area.
You can't protect that area: @1=Non puoi proteggere quell'area: @1
You don't have the necessary privilege ("@1").=Non hai il privilegio necessario ("@1")
You don't own that area.=Non possiedi quell'area.
You have @1 areas.=Hai @1 aree.
You have been granted control over area #@1. Type /list_areas to show your areas.=Ti è stato concesso il controllo sull'area #@1. Digita /list_areas per mostrare le tue aree.
You have extended area protection limits ("areas_high_limit" privilege).=Hai limiti di protezione aree estesi (privilegio "areas_high_limit")
You have the necessary privilege ("@1").=Hai il privilegio necessario ("@1")
You need to select an area first.=Prima devi selezionare un'area.
### chatcommands.lua ###
### pos.lua ###
<ID>=<ID>
Invalid usage, see /help @1.=Utilizzo non valido, si veda /help @1.
### hud.lua ###
:open=:aperta
Areas:=Aree:
### init.lua ###
Can administer areas.=
Can protect areas.=
Can protect more, bigger areas.=
### interact.lua ###
@1 is protected by @2.=@1 è protetta da @2.
### internal.lua ###
Area is too big.=L'area è troppo grande.
Self protection is disabled or you do not have the necessary privilege.=L'auto-protezione è disattivata o non possiedi il privilegio necessario.
The area intersects with @1 [@2] (@3).=L'area interseca con @1 [@2] (@3).
You have reached the maximum amount of areas that you are allowed to protect.=Hai raggiunto il numero massimo di aree che ti è consentito proteggere.
### legacy.lua ###
<version>=<versione>
Converted areas saved. Done.=Aree convertite salvate. Fatto.
Converting areas…=Conversione delle aree...
Error loading legacy file: @1=Errore nel caricamento del file precedente: @1
Invalid version number. (0 allowed)=Numero di versione non valido. (0 permesso)
Legacy file loaded.=File precedente caricato.
Loads, converts, and saves the areas from a legacy save file.=Carica, converte e salva le aree da un file di salvataggio precedente.
Table format updated.=Aggiornato il formato della tabella.
unnamed=innominato
### pos.lua ###
<not set>=<non impostato>
Area @1 selected.=Area @1 selezionata.
Area position @1 set to @2=Posizione @1 dell'area impostata a @2
Position @1 set to @2=Posizione @1 impostata a @2
Position @1: =Posizione @1:
Select an area by ID.=Scegli un'area tramite l'ID.
Select position @1 by punching a node.=Seleziona la posizione @1 colpendo un nodo.
Select positions by punching two nodes.=Seleziona le posizioni colpendo due nodi.
Set area protection region position @1 to your location or the one specified=Imposta la protezione area della posizione @1 della regione alla tua posizione o quella specificata
Set area protection region, position 1, or position 2 by punching nodes, or display the region=Imposta la protezione area della regione, posizione 1, o posizione 2, colpendo due nodi, o mostra la regione
The area @1 does not exist.=L'area @1 non esiste.
Unable to get position.=Impossibile ottenere la posizione.
Unknown subcommand: @1=Sotto-comando sconosciuto: @1

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# textdomain: areas
### chatcommands.lua ###
<AreaName>=
<ID> [faction_name]=
<NewOwner>=
<ParentID>=
<PlayerName>=
<newName>=
@1 has given you control over the area "@2" (ID @3).=
@1 spanning up to @2x@3x@4.=
A regular expression is required.=
Area @1 does not exist or is not owned by you.=
Area closed for faction members.=
Area closed.=
Area does not exist.=
Area is open for members of: @1=
Area opened.=
Area protected. ID: @1=
Area renamed.=
Area successfully moved.=
Change the owner of an area using its ID=
Faction doesn't exists=
Find areas using a Lua regular expression=
Get information about area configuration and usage.=
Give a player access to a sub-area beetween two positions that have already been protected, Use set_owner if you don't want the parent to be set.=
Invalid regular expression.=
Limit: @1 areas=
Limit: no area count limit=
List your areas, or all areas if you are an admin.=
Move (or resize) an area to the current positions.=
No matches found.=
No visible areas.=
Owner changed.=
Players with the "@1" privilege can protect up to @2 areas=
Protect an area between two positions and give a player access to it without setting the parent of the area to any existing area=
Protect your own area=
Recursively remove areas using an ID=
Remove an area using an ID=
Removed area @1=
Removed area @1 and it's sub areas.=
Removes all ownerless areas=
Rename an area that you own=
Self protection is disabled.=
Self protection is enabled.=
That area doesn't exist.=
The player "@1" does not exist.=
Toggle an area open (anyone can interact) or closed=
Toggle an area open/closed for members in your faction.=
You are an area administrator ("areas" privilege).=
You can protect areas=
You can't protect that area.=
You can't protect that area: @1=
You don't have the necessary privilege ("@1").=
You don't own that area.=
You have @1 areas.=
You have been granted control over area #@1. Type /list_areas to show your areas.=
You have extended area protection limits ("areas_high_limit" privilege).=
You have the necessary privilege ("@1").=
You need to select an area first.=
### chatcommands.lua ###
### pos.lua ###
<ID>=
Invalid usage, see /help @1.=
### hud.lua ###
:open=
Areas:=
### init.lua ###
Can administer areas.=
Can protect areas.=
Can protect more, bigger areas.=
### interact.lua ###
@1 is protected by @2.=
### internal.lua ###
Area is too big.=
Self protection is disabled or you do not have the necessary privilege.=
The area intersects with @1 [@2] (@3).=
You have reached the maximum amount of areas that you are allowed to protect.=
### legacy.lua ###
<version>=
Converted areas saved. Done.=
Converting areas…=
Error loading legacy file: @1=
Invalid version number. (0 allowed)=
Legacy file loaded.=
Loads, converts, and saves the areas from a legacy save file.=
Table format updated.=
unnamed=
### pos.lua ###
<not set>=
Area @1 selected.=
Area position @1 set to @2=
Position @1 set to @2=
Position @1: =
Select an area by ID.=
Select position @1 by punching a node.=
Select positions by punching two nodes.=
Set area protection region position @1 to your location or the one specified=
Set area protection region, position 1, or position 2 by punching nodes, or display the region=
The area @1 does not exist.=
Unable to get position.=
Unknown subcommand: @1=

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name = areas
optional_depends = playerfactions

265
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local S = minetest.get_translator("areas")
-- I could depend on WorldEdit for this, but you need to have the 'worldedit'
-- permission to use those commands and you don't have
-- /area_pos{1,2} [X Y Z|X,Y,Z].
-- Since this is mostly copied from WorldEdit it is mostly
-- licensed under the AGPL. (select_area is a exception)
areas.marker1 = {}
areas.marker2 = {}
areas.set_pos = {}
areas.pos1 = {}
areas.pos2 = {}
local LIMIT = 30992 -- this is due to MAPBLOCK_SIZE=16!
local function posLimit(pos)
return {
x = math.max(math.min(pos.x, LIMIT), -LIMIT),
y = math.max(math.min(pos.y, LIMIT), -LIMIT),
z = math.max(math.min(pos.z, LIMIT), -LIMIT)
}
end
minetest.register_chatcommand("select_area", {
params = S("<ID>"),
description = S("Select an area by ID."),
func = function(name, param)
local id = tonumber(param)
if not id then
return false, S("Invalid usage, see /help @1.", "select_area")
end
if not areas.areas[id] then
return false, S("The area @1 does not exist.", id)
end
areas:setPos1(name, areas.areas[id].pos1)
areas:setPos2(name, areas.areas[id].pos2)
return true, S("Area @1 selected.", id)
end,
})
minetest.register_chatcommand("area_pos1", {
params = "[X Y Z|X,Y,Z]",
description = S("Set area protection region position @1 to your"
.." location or the one specified", "1"),
privs = {},
func = function(name, param)
local pos
local found, _, x, y, z = param:find(
"^(-?%d+)[, ](-?%d+)[, ](-?%d+)$")
if found then
pos = {x=tonumber(x), y=tonumber(y), z=tonumber(z)}
elseif param == "" then
local player = minetest.get_player_by_name(name)
if player then
pos = player:get_pos()
else
return false, S("Unable to get position.")
end
else
return false, S("Invalid usage, see /help @1.", "area_pos1")
end
pos = posLimit(vector.round(pos))
areas:setPos1(name, pos)
return true, S("Area position @1 set to @2", "1",
minetest.pos_to_string(pos))
end,
})
minetest.register_chatcommand("area_pos2", {
params = "[X Y Z|X,Y,Z]",
description = S("Set area protection region position @1 to your"
.." location or the one specified", "2"),
func = function(name, param)
local pos
local found, _, x, y, z = param:find(
"^(-?%d+)[, ](-?%d+)[, ](-?%d+)$")
if found then
pos = {x=tonumber(x), y=tonumber(y), z=tonumber(z)}
elseif param == "" then
local player = minetest.get_player_by_name(name)
if player then
pos = player:get_pos()
else
return false, S("Unable to get position.")
end
else
return false, S("Invalid usage, see /help @1.", "area_pos2")
end
pos = posLimit(vector.round(pos))
areas:setPos2(name, pos)
return true, S("Area position @1 set to @2", "2",
minetest.pos_to_string(pos))
end,
})
minetest.register_chatcommand("area_pos", {
params = "set/set1/set2/get",
description = S("Set area protection region, position 1, or position 2"
.." by punching nodes, or display the region"),
func = function(name, param)
if param == "set" then -- Set both area positions
areas.set_pos[name] = "pos1"
return true, S("Select positions by punching two nodes.")
elseif param == "set1" then -- Set area position 1
areas.set_pos[name] = "pos1only"
return true, S("Select position @1 by punching a node.", "1")
elseif param == "set2" then -- Set area position 2
areas.set_pos[name] = "pos2"
return true, S("Select position @1 by punching a node.", "2")
elseif param == "get" then -- Display current area positions
local pos1str, pos2str = S("Position @1: ", "1"), S("Position @1: ", "2")
if areas.pos1[name] then
pos1str = pos1str..minetest.pos_to_string(areas.pos1[name])
else
pos1str = pos1str..S("<not set>")
end
if areas.pos2[name] then
pos2str = pos2str..minetest.pos_to_string(areas.pos2[name])
else
pos2str = pos2str..S("<not set>")
end
return true, pos1str.."\n"..pos2str
else
return false, S("Unknown subcommand: @1", param)
end
end,
})
function areas:getPos(playerName)
local pos1, pos2 = areas.pos1[playerName], areas.pos2[playerName]
if not (pos1 and pos2) then
return nil
end
-- Copy positions so that the area table doesn't contain multiple
-- references to the same position.
pos1, pos2 = vector.new(pos1), vector.new(pos2)
return areas:sortPos(pos1, pos2)
end
function areas:setPos1(playerName, pos)
areas.pos1[playerName] = posLimit(pos)
areas.markPos1(playerName)
end
function areas:setPos2(playerName, pos)
areas.pos2[playerName] = posLimit(pos)
areas.markPos2(playerName)
end
minetest.register_on_punchnode(function(pos, node, puncher)
local name = puncher:get_player_name()
-- Currently setting position
if name ~= "" and areas.set_pos[name] then
if areas.set_pos[name] == "pos1" then
areas.pos1[name] = pos
areas.markPos1(name)
areas.set_pos[name] = "pos2"
minetest.chat_send_player(name,
S("Position @1 set to @2", "1",
minetest.pos_to_string(pos)))
elseif areas.set_pos[name] == "pos1only" then
areas.pos1[name] = pos
areas.markPos1(name)
areas.set_pos[name] = nil
minetest.chat_send_player(name,
S("Position @1 set to @2", "1",
minetest.pos_to_string(pos)))
elseif areas.set_pos[name] == "pos2" then
areas.pos2[name] = pos
areas.markPos2(name)
areas.set_pos[name] = nil
minetest.chat_send_player(name,
S("Position @1 set to @2", "2",
minetest.pos_to_string(pos)))
end
end
end)
-- 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 areas: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
-- Marks area position 1
areas.markPos1 = function(name)
local pos = areas.pos1[name]
if areas.marker1[name] ~= nil then -- Marker already exists
areas.marker1[name]:remove() -- Remove marker
areas.marker1[name] = nil
end
if pos ~= nil then -- Add marker
areas.marker1[name] = minetest.add_entity(pos, "areas:pos1")
areas.marker1[name]:get_luaentity().active = true
end
end
-- Marks area position 2
areas.markPos2 = function(name)
local pos = areas.pos2[name]
if areas.marker2[name] ~= nil then -- Marker already exists
areas.marker2[name]:remove() -- Remove marker
areas.marker2[name] = nil
end
if pos ~= nil then -- Add marker
areas.marker2[name] = minetest.add_entity(pos, "areas:pos2")
areas.marker2[name]:get_luaentity().active = true
end
end
minetest.register_entity("areas:pos1", {
initial_properties = {
visual = "cube",
visual_size = {x=1.1, y=1.1},
textures = {"areas_pos1.png", "areas_pos1.png",
"areas_pos1.png", "areas_pos1.png",
"areas_pos1.png", "areas_pos1.png"},
collisionbox = {-0.55, -0.55, -0.55, 0.55, 0.55, 0.55},
},
on_step = function(self, dtime)
if self.active == nil then
self.object:remove()
end
end,
on_punch = function(self, hitter)
self.object:remove()
local name = hitter:get_player_name()
areas.marker1[name] = nil
end,
})
minetest.register_entity("areas:pos2", {
initial_properties = {
visual = "cube",
visual_size = {x=1.1, y=1.1},
textures = {"areas_pos2.png", "areas_pos2.png",
"areas_pos2.png", "areas_pos2.png",
"areas_pos2.png", "areas_pos2.png"},
collisionbox = {-0.55, -0.55, -0.55, 0.55, 0.55, 0.55},
},
on_step = function(self, dtime)
if self.active == nil then
self.object:remove()
end
end,
on_punch = function(self, hitter)
self.object:remove()
local name = hitter:get_player_name()
areas.marker2[name] = nil
end,
})

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local world_path = minetest.get_worldpath()
areas.config = {}
local function setting(name, tp, default)
local full_name = "areas." .. name
local value
if tp == "bool" then
value = minetest.settings:get_bool(full_name)
default = value == nil and minetest.is_yes(default)
elseif tp == "string" then
value = minetest.settings:get(full_name)
elseif tp == "v3f" then
value = minetest.setting_get_pos(full_name)
default = value == nil and minetest.string_to_pos(default)
elseif tp == "float" or tp == "int" then
value = tonumber(minetest.settings:get(full_name))
local v, other = default:match("^(%S+) (.+)")
default = value == nil and tonumber(other and v or default)
else
error("Cannot parse setting type " .. tp)
end
if value == nil then
value = default
assert(default ~= nil, "Cannot parse default for " .. full_name)
end
--print("add", name, default, value)
areas.config[name] = value
end
local file = io.open(areas.modpath .. "/settingtypes.txt", "r")
for line in file:lines() do
local name, tp, value = line:match("^areas%.(%S+) %(.*%) (%S+) (.*)")
if value then
setting(name, tp, value)
end
end
file:close()
--------------
-- Settings --
--------------
setting("filename", "string", world_path.."/areas.dat")

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# This file is parsed in "settings.lua". Check regex first.
# Static paths do not work well with settings
#areas.filename (Configuration file path) string (world_path)/areas.dat
# Allow players with a privilege create their own areas using /protect
# within the specified size and amount limits.
areas.self_protection (Self protection) bool true
# Self protection: Privilege required to protect an area
areas.self_protection_privilege (Self protection: Required privs) string creative
# Refresh delay for the name displays in the HUD in seconds
areas.tick (HUD update delay) float 0.5 0 100
# Enable the legacy owner_defs metatable mode. Untested and possibly unstable
areas.legacy_table (Legacy owner_defs metatable) bool false
[Self protection (normal)]
# Self protection (normal): Maximal size of the protectable area
# Only enter positive whole numbers for the coordinate values or you'll mess up stuff.
areas.self_protection_max_size (Maximal area size) v3f (512, 512, 512)
# Self protection (normal): Maximal amount of protected areas per player
areas.self_protection_max_areas (Maximal area count) int 20

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