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[rofl] Start to rewrite it to new version : roflmao
- Will be used for #48
This commit is contained in:
LeMagnesium
parent
4e89838761
commit
bfc3770052
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@ -1,145 +1,151 @@
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--------------------------------------
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-- Rollbacks, go Out of those FiLes!
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-- ROFL
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-- <put meaning here>
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-- ROFLMAO
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-- Licence : CC0
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-- Last modified : 27/11/15
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-- By : Mg
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--
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--
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local filepath = minetest.get_worldpath() .. "/rollback/"
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local patchsegs = 0
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local patchtotp = 100
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local bufferfiles = minetest.get_worldpath() .. "/roflmao/"
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minetest.mkdir(bufferfiles)
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local function none(v)
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if not v or v == "None" then
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return nil
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else
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return v
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rofl = {}
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rofl.version = "ROFLMAO"
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rofl.files = {}
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rofl.conf = {}
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rofl.conf.Tick = 20 -- Tick interval
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rofl.conf.Rpertick = 2000 -- Max reading operations per tick
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rofl.conf.Wpertick = 5000 -- Max writing operations per tick
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rofl.conf.Apertick = 1000 -- Max application operations per tick
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rofl.conf.Lpertick = 7500 -- Max loading operations per tick
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rofl.buffers = {}
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rofl.buffers.RCache = {} -- Reading
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rofl.buffers.WCache = {} -- Writing
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rofl.buffers.LCache = {} -- Loading -- not in use
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rofl.buffers.ACache = {} -- Application
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function rofl.capture(f, pos1, pos2)
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local posU = {x = math.max(pos1.x, pos2.x), y = math.max(pos1.y, pos2.y), z = math.max(pos1.z, pos2.z)}
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local posD = {x = math.min(pos1.x, pos2.x), y = math.min(pos1.y, pos2.y), z = math.min(pos1.z, pos2.z)}
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local n = 0
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for x = posD.x, posU.x do
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for y = posD.y, posU.y do
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for z = posD.z, posU.z do
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local node = minetest.get_node_or_nil({x = x, y = y, z = z})
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if not node or node.name == "ignore" then
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return false
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else
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table.insert(rofl.buffers.WCache, {f, x-posD.x .. ";" .. y-posD.y .. ";" .. z-posD.z .. "|" .. minetest.serialize(node) .. "\n"})
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n = n + 1
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end
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end
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end
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end
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return n
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end
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local function metaread(v)
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--[[
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Eg. : channel-in="keyboard",channel-out="terminal",formspec="field[text;;${command}]"
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]]
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if not v or v == "None" or v == "[]" then return nil end
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v = string.sub(v,2,string.len(v)-1)
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-- Meta extraction
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local cursor = 0
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local metas = {}
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while cursor <= string.len(v) do
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local key, value
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local keybeg, keyend, valbeg, valend = cursor, cursor, cursor, cursor
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keyend = string.find(v, "=\"", cursor)-1
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key = string.sub(v,keybeg,keyend)
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valbeg = keyend+3
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valend = (string.find(v, "\",", valbeg) or string.len(v))-1
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value = string.sub(v,valbeg,valend)
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cursor = valend+3
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metas[key] = value
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end
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return metas
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end
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local function parser(fields)
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end
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minetest.register_chatcommand("rofl", {
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description = "Save MFF",
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privs = {server = true},
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minetest.register_chatcommand("roflCapture", {
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params = "<pos1> <pos2> <name>",
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description = "Capture nodes contained in area pos1 to pos2",
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privs = {server=true},
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func = function(name, param)
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-- Alert
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minetest.chat_send_all("*** Server Freezing")
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local f, p1, p2 = unpack(param:split(" "))
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-- The main loop
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local i = 0
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if tonumber(param) then
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i = tonumber(param)
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if not f then
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return false, "Invalid buffer name"
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elseif not minetest.string_to_pos(p1) then
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return false, "Invalid pos1"
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elseif not minetest.string_to_pos(p2) then
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return false, "Invalid pos2"
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end
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local vm = minetest.get_voxel_manip()
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while true do
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local file = io.open(filepath .. "/database-output." .. i .. ".txt", "r")
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if not file then
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break
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end
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minetest.log("action", "[ROFL] Opened file database-output." .. i .. ".txt ... Extracting datas")
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-- [
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-- id=155,actor=Mg,type=1;
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-- list=None,index=None,add=None,stacknode=None,stackquantity=None,nodemeta=None;
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-- x=-18,y=29,z=31;
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-- newnode=air,newparam1=13,newparam2=None,newmeta=None
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-- ]
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for fields in file:lines() do
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local id = tonumber(string.sub(fields, string.find(fields, "id=")+string.len("id="), string.find(fields, ",actor")-1))
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local actor = string.sub(fields, string.find(fields, "actor=")+string.len("actor="), string.find(fields, ",type")-1)
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local action_type = tonumber(string.sub(fields, string.find(fields, "type=")+string.len("type="), string.find(fields, ";list")-1))
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p1 = minetest.string_to_pos(p1)
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p2 = minetest.string_to_pos(p2)
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local list = none(string.sub(fields, string.find(fields, "list=")+string.len("list="), string.find(fields, ",index")-1))
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local index = none(tonumber(string.sub(fields, string.find(fields, "index=")+string.len("index="), string.find(fields, ",add")-1)))
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local add = none(tonumber(string.sub(fields, string.find(fields, "add=")+string.len("add="), string.find(fields, ",stacknode")-1)))
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local stacknode = none(string.sub(fields, string.find(fields, "stacknode=")+string.len("stacknode="), string.find(fields, ",stackquantity")-1))
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local stackquantity = none(tonumber(string.sub(fields, string.find(fields, "stackquantity=")+string.len("stackquantity="), string.find(fields, ";x=")-1)))
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local x = none(tonumber(string.sub(fields, string.find(fields, ";x=")+string.len(";x="), string.find(fields, ",y=")-1)))
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local y = none(tonumber(string.sub(fields, string.find(fields, ",y=")+string.len(",y="), string.find(fields, ",z=")-1)))
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local z = none(tonumber(string.sub(fields, string.find(fields, ",z=")+string.len(",z="), string.find(fields, ";newnode=")-1)))
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local newnode = none(string.sub(fields, string.find(fields, "newnode=")+string.len("newnode="), string.find(fields, ",newparam1")-1))
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local newparam1 = none(tonumber(string.sub(fields, string.find(fields, "newparam1=")+string.len("newparam1="), string.find(fields, ",newparam2")-1)))
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local newparam2 = none(tonumber(string.sub(fields, string.find(fields, "newparam2=")+string.len("newparam2="), string.find(fields, ",newmeta=")-1)))
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local newmeta = none(metaread(string.sub(fields, string.find(fields, ",newmeta=")+string.len(",newmeta="), string.len(fields)-1)))
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minetest.log("action","[ROFL] Applying id = " .. id)
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if patchsegs % patchtotp == 0 then
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minetest.get_player_by_name(name):setpos({x = x, y = y, z = z})
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patchsegs = 0
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end
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if action_type == 1 then -- TYPE_SETNODE
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local forced = minetest.forceload_block({x = x, y = y, z = z})
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if forced then
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minetest.set_node({x = x, y = y, z = z}, {name = newnode, param1 = newparam1, param2 = newparam2})
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minetest.forceload_free_block({x = x, y = y, z = z})
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else
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minetest.log("error", "[ROFL] Couldn't forceplace block " .. minetest.pos_to_string({x = x, y = y, z = z}))
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end
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if newmeta then
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local meta = minetest.get_meta({x = x, y = y, z = z})
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for key,value in ipairs(newmeta) do
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if tonumber(value) then
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meta:set_int(key, value)
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else
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meta:set_string(key,value)
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end
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end
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end
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elseif action_type == 2 then -- TYPE_MODIFY_INVENTORY_STACK
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local inv = minetest.get_meta({x = x, y = y, z = z}):get_inventory()
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local stack = inv:get_stack(list, index)
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if add == 1 then
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stack:set_name(stacknode)
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stack:set_count(stackquantity)
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else
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stack:take_item(stackquantity)
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end
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inv:set_stack(list, index, stack)
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else -- TYPE_NOTHING
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print("W.T.F. is type " .. (action_type or "nil"))
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end
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patchsegs = patchsegs + 1
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end
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i = i + 1
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io.close(file)
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if tonumber(param) then
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break
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end
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local k = rofl.capture(f, p1, p2)
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if k then
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return true, "Successfully captured area from " ..
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core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1) ..
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" in file " .. f .. " : " .. k .. " nodes"
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else
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return false, "Failed to capture the area"
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end
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minetest.chat_send_all("*** Server Up")
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end,
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})
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minetest.register_on_shutdown(function()
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if table.getn(rofl.buffers.WCache) > 0 then
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minetest.log("warning", "{ROFL} WCache is not empty! Canceling all pending writing operations")
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rofl.buffers.WCache = {}
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end
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if table.getn(rofl.buffers.ACache) > 0 then
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minetest.log("warning", "{ROFL} ACache is not empty! Canceling all pending application operations")
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rofl.buffers.ACache = {}
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end
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for fname, f in pairs(rofl.files) do
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f:close()
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minetest.log("action", "{ROFL} Closing filebuf " .. fname)
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end
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end)
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function tick()
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local t = os.time()
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-- Writing
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if table.getn(rofl.buffers.WCache) > 0 then
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minetest.log("action", "{ROFL} WCache has " .. table.getn(rofl.buffers.WCache) .. " elements")
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minetest.log("action", "{ROFL} Doing up to " .. rofl.conf.Wpertick .. " writing operations")
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for x = 1, rofl.conf.Wpertick do
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if not rofl.buffers.WCache[1] then break end
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if not rofl.files[rofl.buffers.WCache[1][1]] then
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rofl.files[rofl.buffers.WCache[1][1]] = io.open(bufferfiles .. rofl.buffers.WCache[1][1] .. ".buf", "w")
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end
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rofl.files[rofl.buffers.WCache[1][1]]:write(rofl.buffers.WCache[1][2])
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table.remove(rofl.buffers.WCache, 1)
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end
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if table.getn(rofl.buffers.WCache) == 0 then
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minetest.log("action", "{ROFL} Operations finished")
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for fname, f in pairs(rofl.files) do
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f:close()
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minetest.log("action", "{ROFL} Closing filebuf " .. fname)
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end
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rofl.files = {}
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end
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end
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-- Applying
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if table.getn(rofl.buffers.ACache) > 0 then
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minetest.log("action", "{ROFL} ACache has " .. table.getn(rofl.buffers.WCache) .. " elements")
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minetest.log("action", "{ROFL} Doing up to " .. rofl.conf.Wpertick .. " writing operations")
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for x = 1, rofl.conf.Apertick do
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if not rofl.buffers.ACache[1] then break end
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buffer:write(rofl.buffers.ACache[1])
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table.remove(rofl.buffers.ACache, 1)
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end
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if table.getn(rofl.buffers.ACache) == 0 then
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minetest.log("action", "{ROFL} Operations finished")
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end
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end
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local t2 = os.time()
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if os.difftime(t2, t) > 0 then
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minetest.log("action", "{ROFL} Tick took " .. os.difftime(t2, t) .. "s")
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end
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minetest.after(rofl.conf.Tick, tick)
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end
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minetest.after(1, tick)
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