minetest-mods/protector/init.lua

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2019-12-14 17:47:31 +01:00
-- Load support for intllib.
local MP = minetest.get_modpath(minetest.get_current_modname())
local S = dofile(MP .. "/intllib.lua")
local F = minetest.formspec_escape
protector = {}
protector.mod = "redo"
protector.modpath = MP
protector.intllib = S
local protector_max_share_count = 12
-- get minetest.conf settings
local protector_radius = tonumber(minetest.settings:get("protector_radius")) or 5
local protector_flip = minetest.settings:get_bool("protector_flip") or false
local protector_hurt = tonumber(minetest.settings:get("protector_hurt")) or 0
local protector_spawn = tonumber(minetest.settings:get("protector_spawn")
or minetest.settings:get("protector_pvp_spawn")) or 0
-- get static spawn position
local statspawn = minetest.string_to_pos(minetest.settings:get("static_spawnpoint"))
or {x = 0, y = 2, z = 0}
-- return list of members as a table
local get_member_list = function(meta)
return meta:get_string("members"):split(" ")
end
-- write member list table in protector meta as string
local set_member_list = function(meta, list)
meta:set_string("members", table.concat(list, " "))
end
-- check for owner name
local is_owner = function(meta, name)
return name == meta:get_string("owner")
end
-- check for member name
local is_member = function (meta, name)
for _, n in pairs(get_member_list(meta)) do
if n == name then
return true
end
end
return false
end
-- add player name to table as member
local add_member = function(meta, name)
-- Constant (20) defined by player.h
if name:len() > 25 then
return
end
-- does name already exist?
if is_owner(meta, name)
or is_member(meta, name) then
return
end
local list = get_member_list(meta)
if #list >= protector_max_share_count then
return
end
table.insert(list, name)
set_member_list(meta, list)
end
-- remove player name from table
local del_member = function(meta, name)
local list = get_member_list(meta)
for i, n in pairs(list) do
if n == name then
table.remove(list, i)
break
end
end
set_member_list(meta, list)
end
-- protector interface
local protector_formspec = function(meta)
local formspec = "size[8,7]"
.. default.gui_bg
.. default.gui_bg_img
.. default.gui_slots
.. "label[2.5,0;" .. F(S("-- Protector interface --")) .. "]"
.. "label[0,1;" .. F(S("PUNCH node to show protected area")) .. "]"
.. "label[0,2;" .. F(S("Members:")) .. "]"
.. "button_exit[2.5,6.2;3,0.5;close_me;" .. F(S("Close")) .. "]"
.. "field_close_on_enter[protector_add_member;false]"
local members = get_member_list(meta)
local npp = protector_max_share_count -- max users added to protector list
local i = 0
for n = 1, #members do
if i < npp then
-- show username
formspec = formspec .. "button[" .. (i % 4 * 2)
.. "," .. math.floor(i / 4 + 3)
.. ";1.5,.5;protector_member;" .. F(members[n]) .. "]"
-- username remove button
.. "button[" .. (i % 4 * 2 + 1.25) .. ","
.. math.floor(i / 4 + 3)
.. ";.75,.5;protector_del_member_" .. F(members[n]) .. ";X]"
end
i = i + 1
end
if i < npp then
-- user name entry field
formspec = formspec .. "field[" .. (i % 4 * 2 + 1 / 3) .. ","
.. (math.floor(i / 4 + 3) + 1 / 3)
.. ";1.433,.5;protector_add_member;;]"
-- username add button
.."button[" .. (i % 4 * 2 + 1.25) .. ","
.. math.floor(i / 4 + 3) .. ";.75,.5;protector_submit;+]"
end
return formspec
end
-- check if pos is inside a protected spawn area
local inside_spawn = function(pos, radius)
if protector_spawn <= 0 then
return false
end
if pos.x < statspawn.x + radius
and pos.x > statspawn.x - radius
and pos.y < statspawn.y + radius
and pos.y > statspawn.y - radius
and pos.z < statspawn.z + radius
and pos.z > statspawn.z - radius then
return true
end
return false
end
-- 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>.
-- 3 for checking protector overlaps
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protector.can_dig = function(r, pos, digger, onlyowner, infolevel, mvps)
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if not digger or not pos then
return false
end
-- protector_bypass privileged users can override protection
if infolevel == 1
and minetest.check_player_privs(digger, {protection_bypass = true}) then
return true
end
-- infolevel 3 is only used to bypass priv check, change to 1 now
if infolevel == 3 then infolevel = 1 end
-- is spawn area protected ?
if inside_spawn(pos, protector_spawn) then
minetest.chat_send_player(digger,
S("Spawn @1 has been protected up to a @2 block radius.",
minetest.pos_to_string(statspawn), protector_spawn))
return false
end
-- find the protector nodes
local pos = 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", "protector:protect2"})
local meta, owner, members
for n = 1, #pos do
meta = minetest.get_meta(pos[n])
owner = meta:get_string("owner") or ""
members = meta:get_string("members") or ""
-- node change and digger isn't owner
if infolevel == 1 and owner ~= digger then
-- and you aren't on the member list
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if onlyowner or not is_member(meta, digger) or digger == "mvps" and not mvps then
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minetest.chat_send_player(digger,
S("This area is owned by @1", owner) .. "!")
return false
end
end
-- when using protector as tool, show protector information
if infolevel == 2 then
minetest.chat_send_player(digger,
S("This area is owned by @1", owner) .. ".")
minetest.chat_send_player(digger,
S("Protection located at: @1", minetest.pos_to_string(pos[n])))
if members ~= "" then
minetest.chat_send_player(digger, S("Members: @1.", members))
end
return false
end
end
-- show when you can build on unprotected area
if infolevel == 2 then
if #pos < 1 then
minetest.chat_send_player(digger, S("This area is not protected."))
end
minetest.chat_send_player(digger, S("You can build here."))
end
return true
end
local old_is_protected = minetest.is_protected
-- check for protected area, return true if protected and digger isn't on list
function minetest.is_protected(pos, digger)
digger = digger or "" -- nil check
-- is area protected against digger?
if not protector.can_dig(protector_radius, pos, digger, false, 1) then
local player = minetest.get_player_by_name(digger)
if player and player:is_player() then
-- hurt player if protection violated
if protector_hurt > 0 and player:get_hp() > 0 then
player:set_hp(player:get_hp() - protector_hurt)
end
-- flip player when protection violated
if protector_flip then
-- yaw + 180°
local yaw = player:get_look_horizontal() + math.pi
if yaw > 2 * math.pi then
yaw = yaw - 2 * math.pi
end
player:set_look_horizontal(yaw)
-- invert pitch
player:set_look_vertical(-player:get_look_vertical())
-- if digging below player, move up to avoid falling through hole
local pla_pos = player:get_pos()
if pos.y < pla_pos.y then
player:set_pos({
x = pla_pos.x,
y = pla_pos.y + 0.8,
z = pla_pos.z
})
end
end
end
return true
end
-- otherwise can dig or place
return old_is_protected(pos, digger)
end
-- make sure protection block doesn't overlap another protector's area
local check_overlap = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
local pos = pointed_thing.above
local name = placer:get_player_name()
-- make sure protector doesn't overlap onto protected spawn area
if inside_spawn(pos, protector_spawn + protector_radius) then
minetest.chat_send_player(name,
S("Spawn @1 has been protected up to a @2 block radius.",
minetest.pos_to_string(statspawn), protector_spawn))
return itemstack
end
-- make sure protector doesn't overlap any other player's area
if not protector.can_dig(protector_radius * 2, pos, name, true, 3) then
minetest.chat_send_player(name,
S("Overlaps into above players protected area"))
return itemstack
end
return minetest.item_place(itemstack, placer, pointed_thing)
end
-- temporary pos store
local player_pos = {}
-- protection node
minetest.register_node("protector:protect", {
description = S("Protection Block") .. " (" .. S("USE for area check") .. ")",
drawtype = "nodebox",
tiles = {
"default_stone.png^protector_overlay.png",
"default_stone.png^protector_overlay.png",
"default_stone.png^protector_overlay.png^protector_logo.png"
},
sounds = default.node_sound_stone_defaults(),
groups = {dig_immediate = 2, unbreakable = 1},
is_ground_content = false,
paramtype = "light",
light_source = 4,
node_box = {
type = "fixed",
fixed = {
{-0.5 ,-0.5, -0.5, 0.5, 0.5, 0.5},
}
},
on_place = check_overlap,
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
meta:set_string("owner", placer:get_player_name() or "")
meta:set_string("infotext", S("Protection (owned by @1)", 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(protector_radius, pointed_thing.under, user:get_player_name(), false, 2)
end,
on_rightclick = function(pos, node, clicker, itemstack)
local meta = minetest.get_meta(pos)
local name = clicker:get_player_name()
if meta
and protector.can_dig(1, pos, name, true, 1) then
player_pos[name] = pos
minetest.show_formspec(name, "protector:node", protector_formspec(meta))
end
end,
on_punch = function(pos, node, puncher)
if minetest.is_protected(pos, puncher:get_player_name()) then
return
end
minetest.add_entity(pos, "protector:display")
end,
can_dig = function(pos, player)
return player and protector.can_dig(1, pos, player:get_player_name(), true, 1)
end,
on_blast = function() end,
after_destruct = function(pos, oldnode)
local objects = minetest.get_objects_inside_radius(pos, 0.5)
for _, v in ipairs(objects) do
v:remove()
end
end,
})
minetest.register_craft({
output = "protector:protect",
recipe = {
{"default:stone", "default:stone", "default:stone"},
{"default:stone", "default:gold_ingot", "default:stone"},
{"default:stone", "default:stone", "default:stone"},
}
})
-- protection logo
minetest.register_node("protector:protect2", {
description = S("Protection Logo") .. " (" .. S("USE for area check") .. ")",
tiles = {"protector_logo.png"},
wield_image = "protector_logo.png",
inventory_image = "protector_logo.png",
sounds = default.node_sound_stone_defaults(),
groups = {dig_immediate = 2, unbreakable = 1},
paramtype = "light",
paramtype2 = "wallmounted",
legacy_wallmounted = true,
light_source = 4,
drawtype = "nodebox",
sunlight_propagates = true,
walkable = true,
node_box = {
type = "wallmounted",
wall_top = {-0.375, 0.4375, -0.5, 0.375, 0.5, 0.5},
wall_bottom = {-0.375, -0.5, -0.5, 0.375, -0.4375, 0.5},
wall_side = {-0.5, -0.5, -0.375, -0.4375, 0.5, 0.375},
},
selection_box = {type = "wallmounted"},
on_place = check_overlap,
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
meta:set_string("owner", placer:get_player_name() or "")
meta:set_string("infotext", S("Protection (owned by @1)", 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(protector_radius, pointed_thing.under, user:get_player_name(), false, 2)
end,
on_rightclick = function(pos, node, clicker, itemstack)
local meta = minetest.get_meta(pos)
local name = clicker:get_player_name()
if meta
and protector.can_dig(1, pos, name, true, 1) then
player_pos[name] = pos
minetest.show_formspec(name, "protector:node", protector_formspec(meta))
end
end,
on_punch = function(pos, node, puncher)
if minetest.is_protected(pos, puncher:get_player_name()) then
return
end
minetest.add_entity(pos, "protector:display")
end,
can_dig = function(pos, player)
return player and protector.can_dig(1, pos, player:get_player_name(), true, 1)
end,
on_blast = function() end,
after_destruct = function(pos, oldnode)
local objects = minetest.get_objects_inside_radius(pos, 0.5)
for _, v in ipairs(objects) do
v:remove()
end
end,
})
-- recipes to switch between protectors
minetest.register_craft({
type = "shapeless",
output = "protector:protect",
recipe = {"protector:protect2"}
})
minetest.register_craft({
type = "shapeless",
output = "protector:protect2",
recipe = {"protector:protect"}
})
-- check formspec buttons or when name entered
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "protector:node" then
return
end
local name = player:get_player_name()
local pos = player_pos[name]
if not name or not pos then
return
end
local add_member_input = fields.protector_add_member
-- reset formspec until close button pressed
if (fields.close_me or fields.quit)
and (not add_member_input or add_member_input == "") then
player_pos[name] = nil
return
end
-- only owner can add names
if not protector.can_dig(1, pos, player:get_player_name(), true, 1) then
return
end
-- are we adding member to a protection node ? (csm protection)
local nod = minetest.get_node(pos).name
if nod ~= "protector:protect"
and nod ~= "protector:protect2" then
player_pos[name] = nil
return
end
local meta = minetest.get_meta(pos)
if not meta then
return
end
-- add member [+]
if add_member_input then
for _, i in pairs(add_member_input:split(" ")) do
add_member(meta, i)
end
end
-- remove member [x]
for field, value in pairs(fields) do
if string.sub(field, 0,
string.len("protector_del_member_")) == "protector_del_member_" then
del_member(meta,
string.sub(field,string.len("protector_del_member_") + 1))
end
end
minetest.show_formspec(name, formname, protector_formspec(meta))
end)
-- display entity shown when protector node is punched
minetest.register_entity("protector:display", {
physical = false,
collisionbox = {0, 0, 0, 0, 0, 0},
visual = "wielditem",
-- wielditem seems to be scaled to 1.5 times original node size
visual_size = {x = 1.0 / 1.5, y = 1.0 / 1.5},
textures = {"protector:display_node"},
timer = 0,
on_step = function(self, dtime)
self.timer = self.timer + dtime
-- remove after 5 seconds
if self.timer > 5 then
self.object:remove()
end
end,
})
-- Display-zone node, Do NOT place the display as a node,
-- it is made to be used as an entity (see above)
local x = protector_radius
minetest.register_node("protector:display_node", {
tiles = {"protector_display.png"},
use_texture_alpha = true,
walkable = false,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
-- sides
{-(x+.55), -(x+.55), -(x+.55), -(x+.45), (x+.55), (x+.55)},
{-(x+.55), -(x+.55), (x+.45), (x+.55), (x+.55), (x+.55)},
{(x+.45), -(x+.55), -(x+.55), (x+.55), (x+.55), (x+.55)},
{-(x+.55), -(x+.55), -(x+.55), (x+.55), (x+.55), -(x+.45)},
-- top
{-(x+.55), (x+.45), -(x+.55), (x+.55), (x+.55), (x+.55)},
-- bottom
{-(x+.55), -(x+.55), -(x+.55), (x+.55), -(x+.45), (x+.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 = "",
})
dofile(MP .. "/doors_chest.lua")
dofile(MP .. "/pvp.lua")
dofile(MP .. "/admin.lua")
dofile(MP .. "/tool.lua")
dofile(MP .. "/hud.lua")
dofile(MP .. "/lucky_block.lua")
-- stop mesecon pistons from pushing protectors
if minetest.get_modpath("mesecons_mvps") then
mesecon.register_mvps_stopper("protector:protect")
mesecon.register_mvps_stopper("protector:protect2")
mesecon.register_mvps_stopper("protector:chest")
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local old = mesecon.mvps_is_protected
function mesecon.mvps_is_protected(pos, ...)
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if not protector.can_dig(protector_radius, pos, "mvps", false, 1, true) then
return true
end
return old(pos, ...)
end
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end
print (S("[MOD] Protector Redo loaded"))