mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-09-02 10:40:31 +02:00
159 lines
4.1 KiB
Lua
159 lines
4.1 KiB
Lua
local _pts = minetest.pos_to_string
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function minetest.pos_to_string(pos)
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if not pos then
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return "(-,-,-)"
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end
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return _pts(pos)
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end
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local elapsed_time = 0
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-- Makes sure that force load areas are handled correctly
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function ForceloadManager(filetoopen, hide_file_errors)
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local blocks = {}
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if filetoopen ~= nil then
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local file = io.open(filetoopen, "r")
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if file then
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local table = minetest.deserialize(file:read("*all"))
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file:close()
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if type(table) == "table" then
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blocks = table
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end
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elseif not hide_file_errors then
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minetest.log("error", "File "..filetoopen.." does not exist!")
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end
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end
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for i = 1, #blocks do
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if not minetest.forceload_block(blocks[i]) then
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minetest.log("error", "Failed to load block " .. minetest.pos_to_string(blocks[i]))
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end
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end
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return {
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_blocks = blocks,
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load = function(self, pos)
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if minetest.forceload_block(pos) then
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table.insert(self._blocks, vector.new(pos))
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return true
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end
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minetest.log("error", "Failed to load block " .. minetest.pos_to_string(pos))
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return false
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end,
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unload = function(self, pos)
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for i = 1, #self._blocks do
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if vector.equals(pos, self._blocks[i]) then
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minetest.forceload_free_block(pos)
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table.remove(self._blocks, i)
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return true
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end
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end
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return false
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end,
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save = function(self, filename)
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local file = io.open(filename, "w")
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if file then
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file:write(minetest.serialize(self._blocks))
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file:close()
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end
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end,
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verify = function(self)
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return self:verify_each(function(pos, block)
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local name = "ignore"
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if block ~= nil then
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name = block.name
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end
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if name == "ignore" then
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if not pos.last or elapsed_time > pos.last + 15 then
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pos.last = elapsed_time
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if not minetest.forceload_block(pos) then
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minetest.log("error", "Failed to force load " .. minetest.pos_to_string(pos))
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pos.remove = true
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end
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end
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return false
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elseif name == "forceload:anchor" then
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pos.last = elapsed_time
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return true
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else
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minetest.log("error", minetest.pos_to_string(pos) .. " shouldn't be loaded")
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pos.remove = true
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return false
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end
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end)
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end,
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verify_each = function(self, func)
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local not_loaded = {}
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for i = 1, #self._blocks do
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local res = minetest.get_node(self._blocks[i])
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if not func(self._blocks[i], res) then
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--[[table.insert(not_loaded, {
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pos = self._blocks[i],
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i = i,
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b = res })]]--
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end
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end
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return not_loaded
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end,
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clean = function(self)
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local i = 1
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while i <= #self._blocks do
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if self._blocks[i].remove then
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minetest.forceload_free_block(self._blocks[i])
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table.remove(self._blocks, i)
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else
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i = i + 1
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end
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end
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end
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}
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end
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local flm = ForceloadManager(minetest.get_worldpath().."/flm.json", true)
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minetest.register_privilege("forceload", "Allows players to use forceload block anchors")
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minetest.register_node("forceload:anchor",{
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description = "Block Anchor",
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walkable = false,
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tiles = {"forceload_anchor.png"},
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groups = {cracky = 3, oddly_breakable_by_hand = 2},
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after_destruct = function(pos)
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flm:unload(pos)
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flm:save(minetest.get_worldpath().."/flm.json")
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end,
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after_place_node = function(pos, placer)
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if not minetest.check_player_privs(placer:get_player_name(),
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{forceload = true}) then
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minetest.chat_send_player(placer:get_player_name(), "The forceload privilege is required to do that.")
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elseif flm:load(pos) then
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flm:save(minetest.get_worldpath().."/flm.json")
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return
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end
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minetest.set_node(pos, {name="air"})
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return true
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end
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})
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minetest.register_craft({
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output = "forceload:anchor",
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recipe = {
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{"default:mese_crystal", "default:mese_crystal", "default:mese_crystal"},
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{"default:mese_crystal", "wool:blue", "default:mese_crystal"},
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{"default:mese_crystal", "default:mese_crystal", "default:mese_crystal"}
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}
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})
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local count = 0
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minetest.register_globalstep(function(dtime)
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count = count + dtime
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elapsed_time = elapsed_time + dtime
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if count > 5 then
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count = 0
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--print("Verifying...")
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flm:verify()
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flm:clean()
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end
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end)
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