minetest-mods/areas
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ShadowNinja 2013-09-02 19:16:14 -04:00
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2
.gitignore vendored Normal file
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*~

51
api.lua Normal file
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--TODO Less code duplication
-- Checks if the area is unprotected or owned by you
function areas:canInteract(pos, name)
if minetest.check_player_privs(name, {areas=true}) then
return true
end
local owned = false
for _, area in pairs(self.areas) do
p1, p2 = area.pos1, area.pos2
if pos.x >= p1.x and pos.x <= p2.x and
pos.y >= p1.y and pos.y <= p2.y and
pos.z >= p1.z and pos.z <= p2.z then
if area.owner == name then
return true
else
owned = true
end
end
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.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
if area.owner ~= nil then
table.insert(owners, area.owner)
end
end
end
return owners
end
-- Checks if an area has an owner
function areas.hasOwner(pos)
for _, area in pairs(areas.areas) do
p1, p2 = area.pos1, area.pos2
if pos.x >= p1.x and pos.x <= p2.x and
pos.y >= p1.y and pos.y <= p2.y and
pos.z >= p1.z and pos.z <= p2.z then
return true
end
end
return false
end

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chatcommands.lua Normal file
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minetest.register_chatcommand("protect", {
params = "<AreaName>",
description = "Protect your own area",
privs = {[areas.self_protection_privilege]=true},
func = function(name, param)
if param ~= "" then
local pos1, pos2 = {}, {}
if areas:getPos1(name) and areas:getPos2(name) then
pos1 = areas:getPos1(name)
pos2 = areas:getPos2(name)
pos1, pos2 = areas:sortPos(pos1, pos2)
else
minetest.chat_send_player(name, 'You need to select an area first')
return
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
minetest.chat_send_player(name, "You can't protect that area: "..errMsg)
return
end
areas:add(name, param, pos1, pos2, nil)
areas:save()
minetest.chat_send_player(name, "Area protected")
else
minetest.chat_send_player(name, 'Invalid usage, see /help protect')
end
end})
minetest.register_chatcommand("set_owner", {
params = "<PlayerName> <AreaName>",
description = "Protect an area beetween two positions and give a player access to it without setting the parent of the area to any existing area",
privs = {areas=true},
func = function(name, param)
if param and param ~= "" then
local found, _, ownername, areaname = param:find('^([^%s]+)%s(.+)$')
if not found then
minetest.chat_send_player(name, "Incorrect usage, see /help set_owner")
return
end
local pos1, pos2 = {}, {}
if areas:getPos1(name) and areas:getPos2(name) then
pos1 = areas:getPos1(name)
pos2 = areas:getPos2(name)
pos1, pos2 = areas:sortPos(pos1, pos2)
else
minetest.chat_send_player(name, 'You need to select an area first')
return
end
if not areas:player_exists(ownername) then
minetest.chat_send_player(name, 'The player "'..ownername..'" does not exist')
return
end
--local canAdd, errMsg = areas:canPlayerAddArea(pos1, pos2, name)
--if not canAdd then
-- minetest.chat_send_player(name, "You can't protect that area: "..errMsg)
-- return
--end
minetest.log("action", "/set_owner invoked, Owner="..ownername..
" AreaName="..areaname..
" StartPos="..minetest.pos_to_string(pos1)..
" EndPos=" ..minetest.pos_to_string(pos2))
areas:add(ownername, areaname, pos1, pos2, nil)
areas:save()
minetest.chat_send_player(ownername, "A concession has been granted to you! Type /list_areas to show your concessions.")
minetest.chat_send_player(name, "Area protected")
else
minetest.chat_send_player(name, 'Invalid usage, see /help set_owner')
end
end})
minetest.register_chatcommand("add_owner", {
params = "<ParentID> <Player> <AreaName>",
description = "Give a player access to a sub-area beetween two positions that have already been protected, use set_owner if you don't want the parent to be set",
privs = {},
func = function(name, param)
if param and param ~= "" then
local found, _, pid, ownername, areaname = param:find('^(%d+)%s([^%s]+)%s(.+)$')
if not found then
minetest.chat_send_player(name, "Incorrect usage, see /help set_owner")
return
end
local pos1, pos2 = {}, {}
if areas:getPos1(name) and areas:getPos2(name) then
pos1 = areas:getPos1(name)
pos2 = areas:getPos2(name)
pos1, pos2 = areas:sortPos(pos1, pos2)
else
minetest.chat_send_player(name, 'You need to select an area first')
return
end
if not areas:player_exists(ownername) then
minetest.chat_send_player(name, 'The player "'..ownername..'" does not exist')
return
end
minetest.log("action", "add_owner invoked, Owner = "..ownername..
" AreaName = "..areaname.." ParentID = "..pid..
" StartPos = "..pos1.x..","..pos1.y..","..pos1.z..
" EndPos = " ..pos2.x..","..pos2.y..","..pos2.z)
--Look to see if this new area is inside an area owned by the player using this function
pid = tonumber(pid)
if (not areas:isAreaOwner(pid, name)) or
(not areas:isSubarea(pos1, pos2, pid)) then
minetest.chat_send_player(name, "You can't protect that area")
return
end
areas:add(ownername, areaname, pos1, pos2, pid)
areas:save()
minetest.chat_send_player(ownername, "A concession has been granted to you! Type /list_areas to show your concessions.")
minetest.chat_send_player(name, "You granted "..ownername.." a concession successfully!")
else
minetest.chat_send_player(name, 'Invalid usage, see /help add_owner')
end
end})
minetest.register_chatcommand("rename_area", {
params = "<ID> <newName>",
description = "Rename a area that you own",
privs = {},
func = function(name, param)
local found, _, id, newName = param:find("^(%d+)%s(.+)$")
if not found then
minetest.chat_send_player(name, "Invalid usage, see /help rename_area")
return
end
index = areas:getIndexById(tonumber(id))
if not index then
minetest.chat_send_player(name, "That area doesn't exist")
return
end
if not areas:isAreaOwner(id, name) then
minetest.chat_send_player(name, "You don't own that area")
return
end
areas.areas[index].name = newName
areas:save()
end})
minetest.register_chatcommand("list_owners", {
params = "",
description = "list the players that can edit the area you are in",
privs = {},
func = function(name, param)
local owners = areas:getNodeOwners(vector.round(minetest.get_player_by_name(name):getpos()))
if #owners > 0 then
minetest.chat_send_player(name, "Owners: "..table.concat(owners, ", "))
else
minetest.chat_send_player(name, "Your position is unowned")
end
end})
minetest.register_chatcommand("find_areas", {
params = "<regexp>",
description = "Find areas using a Lua regular expression",
privs = {},
func = function(name, param)
if param and param ~= "" then
local found = false
for _, area in pairs(areas.areas) do
if areas:isAreaOwner(area.id, name) and
areas:toString(area):find(param) then
minetest.chat_send_player(name, areas:toString(area))
found = true
end
end
if not found then
minetest.chat_send_player(name, "No matches found")
end
else
minetest.chat_send_player(name, "Regular expression required")
end
end})
minetest.register_chatcommand("list_areas", {
params = "",
description = "list the areas you own, or all areas if you have privileges",
privs = {},
func = function(name, param)
admin = minetest.check_player_privs(name, {areas=true})
if admin then
minetest.chat_send_player(name, "Showing all owner entries.")
else
minetest.chat_send_player(name, "Showing your owner entries (You can only modify these).")
end
for _, area in pairs(areas.areas) do
if admin or area.owner == name then
minetest.chat_send_player(name, areas:toString(area))
end
end
end})
minetest.register_chatcommand("recursive_remove_areas", {
params = "<id>",
description = "Recursively remove areas using an id",
privs = {},
func = function(name, param)
local id = tonumber(param)
if not id then
minetest.chat_send_player(name, 'Invalid usage, see /help recursive_remove_areas')
minetest.chat_send_player(name, 'Use /list_areas to see entries')
return
end
if areas:isAreaOwner(id, name) then
areas:remove(id, true)
areas:sort()
areas:save()
else
minetest.chat_send_player(name, "Area "..id.." does not exist or is not owned by you")
return
end
minetest.chat_send_player(name, 'Removed area '..id..'and sub areas')
end})
minetest.register_chatcommand("remove_area", {
params = "<id>",
description = "Remove an area using an id",
privs = {},
func = function(name, param)
local id = tonumber(param)
if not id then
minetest.chat_send_player(name, 'Invalid usage, see /help remove_area')
minetest.chat_send_player(name, 'Use /list_areas to see entries')
return
end
if areas:isAreaOwner(id, name) then
areas:remove(id, false)
areas:sort()
areas:save()
else
minetest.chat_send_player(name, "Area "..id.." does not exist or is not owned by you")
return
end
minetest.chat_send_player(name, 'Removed area '..id)
end})
minetest.register_chatcommand("change_owner", {
params = "<id> <newplayer>",
description = "change the owner of an area using its id",
privs = {},
func = function(name, param)
local found, _, id, new_owner = param:find('^(%d+)%s+([^%s]+)$')
if not found then
minetest.chat_send_player(name, 'Invalid usage, see /help change_area_owner')
minetest.chat_send_player(name, 'Use /list_areas to see entries')
return
end
if not areas:player_exists(new_owner) then
minetest.chat_send_player(name, 'The player "'..new_owner..'" does not exist')
return
end
id = tonumber(id)
if areas:isAreaOwner(id, name) then
areas.areas[areas:getIndexById(id)].owner = new_owner
areas:save()
minetest.chat_send_player(name, 'Owner changed succesfully')
minetest.chat_send_player(new_owner, name..'" has granted you a concession!')
else
minetest.chat_send_player(new_owner, "Area "..id.." does not exist or is not owned by you")
end
end})

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depends.txt Normal file
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31
init.lua Normal file
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-- Areas mod by ShadowNinja
-- Based on node_ownership
-- License: GPLv2+
areas = {}
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.."/legacy.lua")
areas:load()
minetest.register_privilege("areas", {description = "Can administer areas"})
if not minetest.registered_privileges[areas.self_protection_privilege] then
minetest.register_privilege(areas.self_protection_privilege,
{description = "Can protect areas"})
end
if minetest.setting_getbool("log_mod") then
local diffTime = os.clock() - areas.startTime
print("[areas] loaded in "..diffTime.."s.")
end

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interact.lua Normal file
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-- Gives a player a warning message about a area being protected
local function printWarning(name, pos)
local owners = areas:getNodeOwners(pos)
minetest.chat_send_player(name, ("%s is protected by %s.")
:format(minetest.pos_to_string(pos), table.concat(owners, ", ")))
end
if minetest.can_interact then
old_can_interact = minetest.can_interact
function minetest.can_interact(pos, name)
if not areas:canInteract(pos, name) then
printWarning(name, pos)
return false
end
return old_can_interact(pos, name)
end
else
local old_node_place = minetest.item_place_node
function minetest.item_place_node(itemstack, placer, pointed_thing)
-- XXX: buildable_to nodes can mess this up
local pos = pointed_thing.above
if not areas:canInteract(pos, placer:get_player_name()) then
printWarning(placer:get_player_name(), pos)
return itemstack -- Abort place.
end
return old_node_place(itemstack, placer, pointed_thing)
end
local old_node_dig = minetest.node_dig
function minetest.node_dig(pos, node, digger)
if not areas:canInteract(pos, digger:get_player_name()) then
printWarning(digger:get_player_name(), pos)
return -- Abort dig.
end
return old_node_dig(pos, node, digger)
end
end

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internal.lua Normal file
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function areas:player_exists(name)
return minetest.auth_table[name] ~= nil
end
-- Save the areas table to a file
function areas:save()
file, err = io.open(self.filename, "w")
if err then
return err
end
file:write(minetest.serialize(self.areas))
file:close()
end
-- Load the areas table from the save file
function areas:load()
file, err = io.open(self.filename, "r")
if err then
self.areas = self.areas or {}
return err
end
self.areas = minetest.deserialize(file:read("*a"))
if type(self.areas) ~= "table" then self.areas = {} end
file:close()
end
-- Shorter than the table function
function areas:add(owner, name, pos1, pos2, parent)
table.insert(areas.areas, {id=table.maxn(self.areas)+1, name=name,
pos1=pos1, pos2=pos2, owner=owner, parent=parent})
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:removeArea(cid, true)
end
else
-- Update parents
local parent = self:getAreaById(id).parent
local children = self:getChildren(id)
for _, child in pairs(children) do
-- The subarea parent will be niled out if the removed area does not have a parent
areas.areas[self:getIndexById(child)].parent = parent
end
end
-- Remove main entry
table.remove(self.areas, self:getIndexById(id))
end
-- Checks if a area between two points is entirely contained by another area
function areas:isSubarea(pos1, pos2, id)
local area = areas:getAreaById(id)
if area then
p1, p2 = area.pos1, area.pos2
if (pos1.x >= p1.x and pos1.x <= p2.x) and (pos2.x >= p1.x and pos2.x <= p2.x) and
(pos1.y >= p1.y and pos1.y <= p2.y) and (pos2.y >= p1.y and pos2.y <= p2.y) and
(pos1.z >= p1.z and pos1.z <= p2.z) and (pos2.z >= p1.z and pos2.z <= p2.z) then
return true
end
end
return false
end
-- Returns a table (list) of children of an area given it's identifier
function areas:getChildren(id)
local children = {}
for _, area in pairs(self.areas) do
if area.parent and area.parent == id then
table.insert(children, area.id)
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)
--[[
if minetest.check_player_privs(name, {areas=true}) then
return true
end--]]
-- Check self protection privilege, if it is enabled, and if the area is too big.
if (not self.self_protection) or
(not minetest.check_player_privs(name, {[areas.self_protection_privilege]=true})) then
return false, "Self protection is disabled or you do not have the necessary privilege."
end
if (pos2.x - pos1.x) > self.self_protection_max_size.x or
(pos2.y - pos1.y) > self.self_protection_max_size.y or
(pos2.z - pos1.z) > self.self_protection_max_size.z then
return false, "Area is too big."
end
-- Check number of areas the user has and make sure it not above the max
if self.self_protection then
local count = 0
for _, area in pairs(self.areas) do
if area.owner == name then
count = count + 1
end
end
if count > self.self_protection_max_areas then
return false, "You have reached the maximum amount of areas that you are allowed to protect."
end
end
-- Check intersecting areas
for _, area in pairs(self.areas) do
if (area.pos1.x <= pos2.x and area.pos2.x >= pos1.x) and
(area.pos1.y <= pos2.y and area.pos2.y >= pos1.y) and
(area.pos1.z <= pos2.z and area.pos2.z >= pos1.z) then
--Found an area intersecting with the suplied area
if area.owner ~= name then
return false, "The area intersects with a area that you do not own."
end
end
end
return true, ""
end
-- Given a area returns a string in the format "name [id]: owner (x1, y1, z1) (x2, y2, z2) -> children"
function areas:toString(area)
local message = area.name..
"["..area.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
-- Returns a area given it's identifier
function areas:getAreaById(id)
for _, area in pairs(self.areas) do
if area.id == id then return area end
end
end
-- Returns a table index for an area given it's identifier
function areas:getIndexById(id)
for i, area in pairs(self.areas) do
if area.id == id then return i end
end
end
-- Re-order areas in table by their identifiers
function areas:sort()
for k, area in pairs(self.areas) do
if area.id ~= k then
for _, subarea in pairs(self.areas) do
if subarea.parent == area.id then
subarea.parent = k
end
end
area.id = k
end
end
end
-- Checks if a player owns an area or a parent of it
function areas:isAreaOwner(id, name)
cur = self:getAreaById(id)
if cur and minetest.check_player_privs(name, {areas=true}) then
return true
end
while cur do
if cur.owner == name then
return true
elseif cur.parent then
cur = self:getAreaById(cur.parent)
else
return false
end
end
return false
end

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-- This file contains functions to convert from
-- the old areas format and other compatability code.
minetest.register_chatcommand("legacy_load_areas", {
params = "",
description = "Loads, converts, and saves the areas from a legacy save file.",
privs = {areas=true, server=true},
func = function(name, param)
minetest.chat_send_player(name, "Converting areas...")
local startTime = os.clock()
err = areas:legacy_load()
if err then
minetest.chat_send_player(name, "Error loading legacy file: "..err)
return
end
minetest.chat_send_player(name, "Legacy file loaded.")
for k, area in pairs(areas.areas) do
--New position format
areas.areas[k].pos1 = {x=area.x1, y=area.y1, z=area.z1}
areas.areas[k].pos2 = {x=area.x2, y=area.y2, z=area.z2}
areas.areas[k].x1, areas.areas[k].y1,
areas.areas[k].z1, areas.areas[k].x2,
areas.areas[k].y2, areas.areas[k].z2 =
nil, nil, nil, nil, nil, nil
--Area positions sorting
areas.areas[k].pos1, areas.areas[k].pos2 =
areas:sortPos(areas.areas[k].pos1, areas.areas[k].pos2)
--Add name
areas.areas[k].name = "unnamed"
end
minetest.chat_send_player(name, "Table format updated.")
areas:save()
minetest.chat_send_player(name, "Converted areas saved.")
minetest.chat_send_player(name, "Finished in "..tostring(os.clock() - startTime).."s.")
end})
-- The old load function from node_ownership (with minor modifications)
function areas:legacy_load()
local filename = minetest.get_worldpath().."/owners.tbl"
tables, err = loadfile(filename)
if err then
return err
end
tables = tables()
for idx = 1, #tables do
local tolinkv, tolinki = {}, {}
for i, v in pairs(tables[idx]) do
if type(v) == "table" and tables[v[1]] then
table.insert(tolinkv, {i, tables[v[1]]})
end
if type(i) == "table" and tables[i[1]] then
table.insert(tolinki, {i, tables[i[1]]})
end
end
-- link values, first due to possible changes of indices
for _, v in ipairs(tolinkv) do
tables[idx][v[1]] = v[2]
end
-- link indices
for _, v in ipairs(tolinki) do
tables[idx][v[2]], tables[idx][v[1]] = tables[idx][v[1]], nil
end
end
self.areas = tables[1]
end
-- Returns the name of the first player that owns an area
function areas.getNodeOwnerName(pos)
for _, area in pairs(areas.areas) do
p1, p2 = area.pos1, area.pos2
if pos.x >= p1.x and pos.x <= p2.x and
pos.y >= p1.y and pos.y <= p2.y and
pos.z >= p1.z and pos.z <= p2.z then
if area.owner ~= nil then
return area.owner
end
end
end
return false
end
-- Checks if a node is owned by you
function areas.isNodeOwner(pos, name)
if minetest.check_player_privs(name, {areas=true}) then
return true
end
for _, area in pairs(areas.areas) do
p1, p2 = area.pos1, area.pos2
if pos.x >= p1.x and pos.x <= p2.x and
pos.y >= p1.y and pos.y <= p2.y and
pos.z >= p1.z and pos.z <= p2.z then
if name == area.owner then
return true
end
end
end
return false
end
IsPlayerNodeOwner = areas.isNodeOwner
GetNodeOwnerName = areas.getNodeOwnerName
HasOwner = areas.hasOwner
if areas.legacy_table then
owner_defs = {}
setmetatable(owner_defs, {
__index = function(table, key)
local a = rawget(areas.areas, key)
if a then
a.x1 = a.pos1.x
a.y1 = a.pos1.y
a.z1 = a.pos1.z
a.x2 = a.pos2.x
a.y2 = a.pos2.y
a.z2 = a.pos2.z
a.pos1, a.pos2 = nil, nil
end
return a
end,
__newindex = function(table, key, value)
if rawget(areas.areas, key) ~= nil then
local a = value
a.pos1, a.pos2 = {}, {}
a.pos1.x = a.x1
a.pos1.y = a.y1
a.pos1.z = a.z1
a.pos2.x = a.x2
a.pos2.y = a.y2
a.pos2.z = a.z2
a.x1, a.y1, a.z1, a.x2, a.y2, a.z2
= nil, nil, nil, nil, nil, nil
a.name = a.name or "unnamed"
return rawset(areas.areas, key, a);
end
end
})
end

249
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-- 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 licensed under the AGPL.
areas.marker1 = {}
areas.marker2 = {}
areas.set_pos = {}
areas.pos1 = {}
areas.pos2 = {}
minetest.register_chatcommand("select_area", {
params = "<id>",
description = "Select a area by id.",
privs = {},
func = function(name, param)
local id = tonumber(param)
if not id then
minetest.chat_send_player(name, "Invalid usage, see /help select_area.")
end
for k, area in pairs(areas.areas) do
if area.id == id then
areas:setPos1(name, area.pos1)
areas:setPos2(name, area.pos2)
minetest.chat_send_player(name, "Area "..tostring(id).." selected.")
return
end
end
minetest.chat_send_player(name, "The area "..tostring(id).." does not exist.")
end})
minetest.register_chatcommand("area_pos1", {
params = "[X Y Z|X,Y,Z]",
description = "Set area protection region position 1 to the player's location or the one specified",
privs = {},
func = function(name, param)
local pos = {}
local found, _, x, y, z = param:find("^(-?%d+)[%s%,]+(-?%d+)[%s%,]+(-?%d+)$")
if found then
pos = {x=tonumber(x), y=tonumber(y), z=tonumber(z)}
elseif param == "" then
player = minetest.get_player_by_name(name)
if player then
pos = player:getpos()
else
minetest.chat_send_player(name, "Unable to get position")
return
end
else
minetest.chat_send_player(name, "Invalid usage, see /help no_pos1")
end
pos.x, pos.y, pos.z = math.floor(pos.x + 0.5), math.floor(pos.y + 0.5), math.floor(pos.z + 0.5)
areas:setPos1(name, pos)
minetest.chat_send_player(name, "Area position 1 set to " .. minetest.pos_to_string(pos))
end,
})
minetest.register_chatcommand("area_pos2", {
params = "[X Y Z|X,Y,Z]",
description = "Set area protection region position 2 to the player's location or the one specified",
privs = {},
func = function(name, param)
local pos = {}
local found, _, x, y, z = param:find("^(-?%d+)[%s%,]+(-?%d+)[%s%,]+(-?%d+)$")
if found then
pos = {x=tonumber(x), y=tonumber(y), z=tonumber(z)}
elseif param == "" then
player = minetest.get_player_by_name(name)
if player then
pos = player:getpos()
else
minetest.chat_send_player(name, "Unable to get position")
return
end
else
minetest.chat_send_player(name, "Invalid usage, see /help no_pos2")
end
pos.x, pos.y, pos.z = math.floor(pos.x + 0.5), math.floor(pos.y + 0.5), math.floor(pos.z + 0.5)
areas:setPos2(name, pos)
minetest.chat_send_player(name, "Area position 2 set to " .. minetest.pos_to_string(pos))
end,
})
minetest.register_chatcommand("area_pos", {
params = "set/set1/set2/get",
description = "Set area protection region, position 1, or position 2 by punching nodes, or display the region",
privs = {},
func = function(name, param)
if param == "set" then -- Set both area positions
areas.set_pos[name] = "pos1"
minetest.chat_send_player(name, "Select positions by punching two nodes")
elseif param == "set1" then -- Set area position 1
areas.set_pos[name] = "pos1only"
minetest.chat_send_player(name, "Select position 1 by punching a node")
elseif param == "set2" then -- Set area position 2
areas.set_pos[name] = "pos2"
minetest.chat_send_player(name, "Select position 2 by punching a node")
elseif param == "get" then -- Display current area positions
if areas.pos1[name] ~= nil then
minetest.chat_send_player(name, "Position 1: " .. minetest.pos_to_string(areas.pos1[name]))
else
minetest.chat_send_player(name, "Position 1 not set")
end
if areas.pos2[name] ~= nil then
minetest.chat_send_player(name, "Position 2: " .. minetest.pos_to_string(areas.pos2[name]))
else
minetest.chat_send_player(name, "Position 2 not set")
end
else
minetest.chat_send_player(name, "Unknown subcommand: " .. param)
end
end,
})
function areas:getPos1(playerName)
return areas.pos1[playerName]
end
function areas:getPos2(playerName)
return areas.pos2[playerName]
end
function areas:setPos1(playerName, pos)
areas.pos1[playerName] = pos
areas.markPos1(playerName)
end
function areas:setPos2(playerName, pos)
areas.pos2[playerName] = pos
areas.markPos2(playerName)
end
minetest.register_on_punchnode(function(pos, node, puncher)
local name = puncher:get_player_name()
if name ~= "" and areas.set_pos[name] ~= nil then --currently setting position
if areas.set_pos[name] == "pos1" then --setting position 1
areas.pos1[name] = pos
areas.markPos1(name)
areas.set_pos[name] = "pos2" --set position 2 on the next invocation
minetest.chat_send_player(name, "Position 1 set to " .. minetest.pos_to_string(pos))
elseif areas.set_pos[name] == "pos1only" then --setting position 1 only
areas.pos1[name] = pos
areas.markPos1(name)
areas.set_pos[name] = nil --finished setting positions
minetest.chat_send_player(name, "Position 1 set to " .. minetest.pos_to_string(pos))
elseif areas.set_pos[name] == "pos2" then --setting position 2
areas.pos2[name] = pos
areas.markPos2(name)
areas.set_pos[name] = nil --finished setting positions
minetest.chat_send_player(name, "Position 2 set to " .. 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 two new 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
-- Rounds a position to the nearest integer
function areas:roundPos(pos)
pos.x = math.floor(pos.x+0.5)
pos.y = math.floor(pos.y+0.5)
pos.z = math.floor(pos.z+0.5)
return pos
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 worldpath = minetest.get_worldpath()
local function setting_getbool_default(setting, default)
local value = minetest.setting_getbool(setting)
if value == nil then
value = default
end
return value
end
areas.filename =
minetest.setting_get("areas.filename") or worldpath.."/areas.dat"
-- Allow players with a privilege create their own areas within the max_size and number
areas.self_protection =
setting_getbool_default("areas.self_protection", false)
areas.self_protection_privilege =
minetest.setting_get("areas.self_protection_privilege") or "interact"
areas.self_protection_max_size =
minetest.setting_get_pos("areas.self_protection_max_size") or {x=50, y=100, z=50}
areas.self_protection_max_areas =
tonumber(minetest.setting_get("areas.self_protection_max_areas")) or 3
-- Register compatability functions for node_ownership.
-- legacy_table (owner_defs) compatibility is untested
-- and can not be used if security_safe_mod_api is on.
areas.legacy_table =
setting_getbool_default("areas.legacy_table", false)
-- Prevent players from punching nodes in a protected area.
-- Usefull for things like delayers, usualy annoying and
-- prevents usage of things like buttons.
areas.protect_punches =
setting_getbool_default("areas.protect_punches", false)

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