antigrief/init.lua

155 lines
4.6 KiB
Lua

-- ANTI GRIEF by rnd
-- Copyright 2016 rnd
-- modified by SaKeL for Survival X Server
----------------------------------------------------------------------------
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
----------------------------------------------------------------------------
-- prevents placing of lava/liquid sources or buckets above 0
--water
--bucket:bucket_water
function prevent_place_above(name)
local old_on_place = minetest.registered_craftitems[name] -- on_place
local old_after_place_node = minetest.registered_nodes[name] --after_place_node
-- for items (buckets)
if old_on_place and old_on_place.on_place then
old_on_place = old_on_place.on_place
minetest.registered_craftitems[name].on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above
local placer_name = placer:get_player_name()
local item_name = string.split(itemstack:get_name(), ":")[2]
local max_y = 50 -- water
if string.find(itemstack:get_name(), "lava") then
max_y = 0 -- lava
end
if pos.y > max_y and placer_name ~= "ADMIN" and placer_name ~= "SaKeL" then
minetest.log("action","ANTI GRIEF " .. placer_name .. " tried to place " .. name .. " at " .. minetest.pos_to_string(pos))
minetest.chat_send_player(placer_name, "You can place "..item_name.." only below "..max_y.." blocks")
return itemstack
else
return old_on_place(itemstack, placer, pointed_thing)
end
end
return
end
-- for nodes (water_source block)
if old_after_place_node then
old_after_place_node = old_after_place_node.after_place_node
local table = minetest.registered_nodes[name]
local table2 = {}
for i,v in pairs(table) do
table2[i] = v
end
table2.after_place_node = function(pos, placer, itemstack, pointed_thing)
local placer_name = placer:get_player_name()
local item_name = string.split(itemstack:get_name(), ":")[2]
local max_y = 50 -- water
if string.find(itemstack:get_name(), "lava") then
max_y = 0 -- lava
end
if string.find(itemstack:get_name(), "tnt") then
max_y = -150 -- tnt
end
if pos.y > max_y and placer_name ~= "ADMIN" and placer_name ~= "SaKeL" then
minetest.log("action","ANTI GRIEF " .. placer_name .. " tried to place " .. name .. " at " .. minetest.pos_to_string(pos))
minetest.chat_send_player(placer_name, "You can place "..item_name.." only below "..max_y.." blocks")
minetest.set_node(pos, {name = "air"})
return itemstack
end
end
minetest.register_node(":"..name, table2)
return
end
return
end
-- prevent TNT explosion
minetest.after(0, function ()
local old_on_timer = minetest.registered_nodes["tnt:tnt_burning"]
if old_on_timer and old_on_timer.on_timer then
old_on_timer = old_on_timer.on_timer
minetest.registered_nodes["tnt:tnt_burning"].on_timer = function(pos, elapsed)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if not owner then
owner = ""
end
if pos.y > -150 and owner ~= "ADMIN" and owner ~= "SaKeL" then
minetest.sound_play("antigrief_fart", {pos = pos, gain = 1.5, max_hear_distance = 2*64})
minetest.remove_node(pos)
-- add effect
minetest.add_particlespawner({
amount = 64,
time = 0.5,
minpos = vector.subtract(pos, 1 / 2),
maxpos = vector.add(pos, 1 / 2),
minvel = {x = -10, y = -10, z = -10},
maxvel = {x = 10, y = 10, z = 10},
minacc = vector.new(),
maxacc = vector.new(),
minexptime = 1,
maxexptime = 2.5,
minsize = 1 * 3,
maxsize = 1 * 5,
texture = "tnt_smoke.png",
})
else
return old_on_timer(pos, elapsed)
end
end
end
end)
minetest.after(0, function ()
prevent_place_above("bucket:bucket_water")
prevent_place_above("bucket:bucket_river_water")
prevent_place_above("default:water_source")
prevent_place_above("default:river_water_source")
prevent_place_above("bucket:bucket_lava")
prevent_place_above("default:lava_source")
prevent_place_above("tnt:tnt")
prevent_place_above("tnt:gunpowder")
end)