VoxeLibre/mods/protector/init.lua

326 lines
9.0 KiB
Lua
Raw Normal View History

2015-06-29 19:55:56 +02:00
minetest.register_privilege("delprotect","Delete other's protection")
protector = {}
protector.get_member_list = function(meta)
local s = meta:get_string("members")
local list = s:split(" ")
return list
end
protector.set_member_list = function(meta, list)
meta:set_string("members", table.concat(list, " "))
end
protector.is_member = function (meta, name)
local list = protector.get_member_list(meta)
for _, n in ipairs(list) do
if n == name then
return true
end
end
return false
end
protector.add_member = function(meta, name)
if protector.is_member(meta, name) then return end
local list = protector.get_member_list(meta)
table.insert(list,name)
protector.set_member_list(meta,list)
end
protector.del_member = function(meta,name)
local list = protector.get_member_list(meta)
for i, n in ipairs(list) do
if n == name then
table.remove(list, i)
break
end
end
protector.set_member_list(meta,list)
end
-- Protector Interface
protector.generate_formspec = function(meta)
if meta:get_int("page") == nil then meta:set_int("page",0) end
local formspec = "size[8,7]"
.."label[0,0;-- Protector interface --]"
.."label[0,1;Punch node to show protected area]"
.."label[0,2;Members: (type nick, press Enter to add)]"
members = protector.get_member_list(meta)
local npp = 12 -- was 15, names per page, for the moment is 4*4 (-1 for the + button)
local s = 0
local i = 0
for _, member in ipairs(members) do
if s < meta:get_int("page")*15 then s = s +1 else
if i < npp then
formspec = formspec .. "button["..(i%4*2)..","
..math.floor(i/4+3)..";1.5,.5;protector_member;"..member.."]"
formspec = formspec .. "button["..(i%4*2+1.25)..","
..math.floor(i/4+3)..";.75,.5;protector_del_member_"..member..";X]"
end
i = i +1
end
end
local add_i = i
if add_i < npp then
formspec = formspec
.."field["..(add_i%4*2+1/3)..","..(math.floor(add_i/4+3)+1/3)..";1.433,.5;protector_add_member;;]"
end
formspec = formspec.."button_exit[1,6.2;2,0.5;close_me;<< Back]"
return formspec
end
-- ACTUAL PROTECTION SECTION
-- r: radius to check for protects
-- Infolevel:
-- * 0 for no info
-- * 1 for "This area is owned by <owner> !" if you can't dig
-- * 2 for "This area is owned by <owner>.
-- Members are: <members>.", even if you can dig
protector.can_dig = function(r,pos,digger,onlyowner,infolevel)
if not digger then
return false
end
local whois = digger
-- Delprotect privileged users can override protections
if minetest.check_player_privs(whois, {delprotect=true}) and infolevel < 3 then
return true
end
if infolevel == 3 then infolevel = 1 end
-- Find the protector nodes
local positions = minetest.find_nodes_in_area(
{x=pos.x-r, y=pos.y-r, z=pos.z-r},
{x=pos.x+r, y=pos.y+r, z=pos.z+r},
"protector:protect")
for _, pos in ipairs(positions) do
local meta = minetest.env:get_meta(pos)
local owner = meta:get_string("owner")
if owner ~= whois then
if onlyowner or not protector.is_member(meta, whois) then
if infolevel == 1 then
minetest.chat_send_player(whois, "This area is owned by "..owner.." !")
elseif infolevel == 2 then
minetest.chat_send_player(whois,"This area is owned by "..meta:get_string("owner")..".")
if meta:get_string("members") ~= "" then
minetest.chat_send_player(whois,"Members: "..meta:get_string("members")..".")
end
end
return false
end
end
end
if infolevel == 2 then
if #positions < 1 then
minetest.chat_send_player(whois,"This area is not protected.")
else
local meta = minetest.env:get_meta(positions[1])
minetest.chat_send_player(whois,"This area is owned by "..meta:get_string("owner")..".")
if meta:get_string("members") ~= "" then
minetest.chat_send_player(whois,"Members: "..meta:get_string("members")..".")
end
end
minetest.chat_send_player(whois,"You can build here.")
end
return true
end
-- Can node be added or removed, if so return node else true (for protected)
protector.old_is_protected = minetest.is_protected
minetest.is_protected = function(pos, digger)
if protector.can_dig(5, pos, digger, false, 1) then
return protector.old_is_protected(pos, digger)
else
return true
end
end
-- Make sure protection block doesn't overlap another block's area
protector.old_node_place = minetest.item_place
function minetest.item_place(itemstack, placer, pointed_thing)
if itemstack:get_name() == "protector:protect" then
local pos = pointed_thing.above
local user = placer:get_player_name()
if protector.can_dig(10, pos, user, true, 3) then
--
else
minetest.chat_send_player(placer:get_player_name(),"Overlaps into another protected area")
return protector.old_node_place(itemstack, placer, pos)
end
end
return protector.old_node_place(itemstack, placer, pointed_thing)
end
-- END
minetest.register_node("protector:protect", {
description = "Protection",
tiles = {"protector_top.png","protector_top.png","protector_side.png"},
sounds = default.node_sound_stone_defaults(),
groups = {dig_immediate=2},
drawtype = "nodebox",
node_box = {
type="fixed",
fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
},
selection_box = { type="regular" },
paramtype = "light",
after_place_node = function(pos, placer)
local meta = minetest.env:get_meta(pos)
meta:set_string("owner", placer:get_player_name() or "")
meta:set_string("infotext", "Protection (owned by "..
meta:get_string("owner")..")")
meta:set_string("members", "")
end,
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "node" then
return
end
protector.can_dig(5,pointed_thing.under,user:get_player_name(),false,2)
end,
on_rightclick = function(pos, node, clicker, itemstack)
local meta = minetest.env:get_meta(pos)
if protector.can_dig(1,pos,clicker:get_player_name(),true,1) then
minetest.show_formspec(clicker:get_player_name(),
"protector_"..minetest.pos_to_string(pos), protector.generate_formspec(meta)
)
end
end,
on_punch = function(pos, node, puncher)
if not protector.can_dig(1,pos,puncher:get_player_name(),true,1) then
return
end
local objs = minetest.env:get_objects_inside_radius(pos,.5)
minetest.env:add_entity(pos, "protector:display")
minetest.env:get_node_timer(pos):start(10)
end,
on_timer = function(pos)
local objs = minetest.env:get_objects_inside_radius(pos,.5)
for _, o in pairs(objs) do
if (not o:is_player()) and o:get_luaentity().name == "protector:display" then
o:remove()
end
end
end,
})
minetest.register_on_player_receive_fields(function(player,formname,fields)
if string.sub(formname,0,string.len("protector_")) == "protector_" then
local pos_s = string.sub(formname,string.len("protector_")+1)
local pos = minetest.string_to_pos(pos_s)
local meta = minetest.env:get_meta(pos)
if meta:get_int("page") == nil then meta:set_int("page",0) end
if not protector.can_dig(1,pos,player:get_player_name(),true,1) then
return
end
if fields.protector_add_member then
for _, i in ipairs(fields.protector_add_member:split(" ")) do
protector.add_member(meta,i)
end
end
for field, value in pairs(fields) do
if string.sub(field,0,string.len("protector_del_member_"))=="protector_del_member_" then
protector.del_member(meta, string.sub(field,string.len("protector_del_member_")+1))
end
end
if fields.protector_page_prev then
meta:set_int("page",meta:get_int("page")-1)
end
if fields.protector_page_next then
meta:set_int("page",meta:get_int("page")+1)
end
if fields.close_me then
meta:set_int("page",meta:get_int("page"))
else minetest.show_formspec(player:get_player_name(), formname, protector.generate_formspec(meta))
end
end
end)
minetest.register_craft({
output = "protector:protect 4",
recipe = {
{"default:stone","default:stone","default:stone"},
{"default:stone","default:steel_ingot","default:stone"},
{"default:stone","default:stone","default:stone"},
}
})
minetest.register_entity("protector:display", {
physical = false,
collisionbox = {0,0,0,0,0,0},
visual = "wielditem",
visual_size = {x=1.0/1.5,y=1.0/1.5}, -- wielditem seems to be scaled to 1.5 times original node size
textures = {"protector:display_node"},
on_step = function(self, dtime)
if minetest.get_node(self.object:getpos()).name ~= "protector:protect" then
self.object:remove()
return
end
end,
})
-- Display-zone node.
-- Do NOT place the display as a node
-- it is made to be used as an entity (see above)
minetest.register_node("protector:display_node", {
tiles = {"protector_display.png"},
use_texture_alpha = true,
walkable = false,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
-- sides
{-5.55, -5.55, -5.55, -5.45, 5.55, 5.55},
{-5.55, -5.55, 5.45, 5.55, 5.55, 5.55},
{5.45, -5.55, -5.55, 5.55, 5.55, 5.55},
{-5.55, -5.55, -5.55, 5.55, 5.55, -5.45},
-- top
{-5.55, 5.45, -5.55, 5.55, 5.55, 5.55},
-- bottom
{-5.55, -5.55, -5.55, 5.55, -5.45, 5.55},
-- middle (surround protector)
{-.55,-.55,-.55, .55,.55,.55},
},
},
selection_box = {
type = "regular",
},
paramtype = "light",
groups = {dig_immediate=3,not_in_creative_inventory=1},
drop = "",
})