/
init.lua
338 lines (315 loc) · 10.2 KB
/
init.lua
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-- Zeg9's protector mod
-- based on glomie's mod of the same name
-- Released under WTFPL
-- FIXME: use a mesh instead of the buggy wielditem, for protector:display
-- but that isn't possible yet since models won't take care of the texture's alpha channel...
minetest.register_privilege("delprotect","Delete other's protection by sneaking")
protector = {}
protector.node = "protector:protect"
protector.item = "protector:stick"
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.generate_formspec = function (meta)
if meta:get_int("page") == nil then meta:set_int("page",0) end
local formspec = "size[8,8]"
.."label[0,0;-- Protector interface --]"
.."label[0,1;Punch the node to show the protected area.]"
.."label[0,2;Current members:]"
members = protector.get_member_list(meta)
local npp = 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 < 15 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 add_i = npp end
formspec = formspec
.."field["..(add_i%4*2+1/3)..","..(math.floor(add_i/4+3)+1/3)..";1.433,.5;protector_add_member;;]"
.."button["..(add_i%4*2+1.25)..","..math.floor(add_i/4+3)..";.75,.5;protector_submit;+]"
if s > 0 then
formspec = formspec .. "button[0,7;1,1;protector_page_prev;<<]"
end
if i > npp then
formspec = formspec .. "button[1,7;1,1;protector_page_next;>>]"
end
formspec = formspec .. "label[2,7;Page "..(meta:get_int("page")+1).."/"..math.floor((s+i-1)/15+1).."]"
return formspec
end
-- 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 infolevel == nil then infolevel = 1 end
if not digger or not digger.get_player_name then return false end
-- Delprotect privileged users can override protections by holding sneak
if minetest.get_player_privs(digger:get_player_name()).delprotect and
digger:get_player_control().sneak then
return true 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.node)
for _, pos in ipairs(positions) do
local meta = minetest.env:get_meta(pos)
local owner = meta:get_string("owner")
if owner ~= digger:get_player_name() then
if onlyowner or not protector.is_member(meta, digger:get_player_name()) then
if infolevel == 1 then
minetest.chat_send_player(digger:get_player_name(), "This area is owned by "..owner.." !")
elseif infolevel == 2 then
minetest.chat_send_player(digger:get_player_name(),"This area is owned by "..meta:get_string("owner")..".")
if meta:get_string("members") ~= "" then
minetest.chat_send_player(digger:get_player_name(),"Members are: "..meta:get_string("members")..".")
end
end
return false
end
end
end
if infolevel == 2 then
if #positions < 1 then
minetest.chat_send_player(digger:get_player_name(),"This area is not protected.")
else
local meta = minetest.env:get_meta(positions[1])
minetest.chat_send_player(digger:get_player_name(),"This area is owned by "..meta:get_string("owner")..".")
if meta:get_string("members") ~= "" then
minetest.chat_send_player(digger:get_player_name(),"Members are: "..meta:get_string("members")..".")
end
end
minetest.chat_send_player(digger:get_player_name(),"You can build here.")
end
return true
end
local old_node_dig = minetest.node_dig
function minetest.node_dig(pos, node, digger)
local ok=true
if node.name ~= protector.node then
ok = protector.can_dig(5,pos,digger)
else
ok = protector.can_dig(5,pos,digger,true)
end
if ok == true then
old_node_dig(pos, node, digger)
end
end
local old_node_place = minetest.item_place
function minetest.item_place(itemstack, placer, pointed_thing)
if itemstack:get_definition().type == "node" then
local ok=true
if itemstack:get_name() ~= protector.node then
local pos = pointed_thing.above
ok = protector.can_dig(5,pos,placer)
else
local pos = pointed_thing.above
ok = protector.can_dig(10,pos,placer,true)
end
if ok == true then
return old_node_place(itemstack, placer, pointed_thing)
else
return
end
end
return old_node_place(itemstack, placer, pointed_thing)
end
local protect = {}
minetest.register_node(protector.node, {
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", "")
--meta:set_string("formspec",protector.generate_formspec(meta))
end,
on_rightclick = function(pos, node, clicker, itemstack)
local meta = minetest.env:get_meta(pos)
if protector.can_dig(1,pos,clicker,true) 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,true) then
return
end
local objs = minetest.env:get_objects_inside_radius(pos,.5) -- a radius of .5 since the entity serialization seems to be not that precise
local removed = false
for _, o in pairs(objs) do
if (not o:is_player()) and o:get_luaentity().name == "protector:display" then
o:remove()
removed = true
end
end
if not removed then -- nothing was removed: there wasn't the entity
minetest.env:add_entity(pos, "protector:display")
end
end,
})
-- remove formspecs from older versions of the mod
minetest.register_abm({
nodenames = {protector.node},
interval = 5.0,
chance = 1,
action = function(pos,...)
local meta = minetest.env:get_meta(pos)
meta:set_string("formspec","")
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,true) 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 not fields.quit then
minetest.show_formspec(
player:get_player_name(), formname,
protector.generate_formspec(meta)
)
end
end
end)
minetest.register_craftitem(protector.item, {
description = "Protection tool",
inventory_image = "protector_stick.png",
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "node" then
return
end
protector.can_dig(5,pointed_thing.under,user,false,2)
end,
})
minetest.register_craft({
output = protector.node .. " 4",
recipe = {
{"default:stone","default:stone","default:stone"},
{"default:stone","default:steel_ingot","default:stone"},
{"default:stone","default:stone","default:stone"},
}
})
minetest.register_craft({
output = protector.item,
recipe = {
{protector.node},
{'default:stick'},
}
})
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.node 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 = "",
})