Updated ROFL and SQLextract: Ready for first attempt

mods/rofl/init.lua

@@ -1,13 +1,11 @@
-----------------------------
--- Rollbacks Out of FiLes.
+--------------------------------------
+-- Rollbacks, go Out of those FiLes!
 -- ROFL
 --
 
-rofl = {}
-rofl.func = {}
-rofl.datas = {}
-rofl.datas.filepath = minetest.get_worldpath() .. "/rollback/"
-rofl.queue = {}
+local filepath = minetest.get_worldpath() .. "/rollback/"
+local patchsegs = 0
+local patchtotp = 100
 
 local function none(v)
 	if not v or v == "None" then
@@ -17,26 +15,63 @@ local function none(v)
 	end
 end
 
+local function metaread(v)
+
+--[[
+
+	Eg. : channel-in="keyboard",channel-out="terminal",formspec="field[text;;${command}]"
+
+]]
+
+	if not v or v == "None" or v == "[]" then return nil end
+	v = string.sub(v,2,string.len(v)-1)
+	-- Meta extraction
+	local cursor = 0
+	local metas = {}
+	while cursor <= string.len(v) do
+		local key, value
+		local keybeg, keyend, valbeg, valend = cursor, cursor, cursor, cursor
+
+		keyend = string.find(v, "=\"", cursor)-1
+		key = string.sub(v,keybeg,keyend)
+
+		valbeg = keyend+3
+		valend = (string.find(v, "\",", valbeg) or string.len(v))-1
+		value = string.sub(v,valbeg,valend)
+
+		cursor = valend+3
+		metas[key] = value
+	end
+	return metas
+end
+
+local function parser(fields)
+
+end
+
 minetest.register_chatcommand("rofl", {
 	description = "Save MFF",
 	privs = {server = true},
-	func = function(name)
+	func = function(name, param)
 		-- Alert
 		minetest.chat_send_all("*** Server Freezing")
 
 		-- The main loop
 		local i = 0
+		if tonumber(param) then
+			i = tonumber(param)
+		end
 		local vm = minetest.get_voxel_manip()
 		while true do
-			local file = io.open(rofl.datas.filepath .. "/database-output." .. i .. ".txt", "r")
+			local file = io.open(filepath .. "/database-output." .. i .. ".txt", "r")
 			if not file then
 				break
 			end
+			minetest.log("action", "[ROFL] Opened file database-output." .. i .. ".txt ... Extracting datas")
 			-- [
 			--	id=155,actor=Mg,type=1;
 			--	list=None,index=None,add=None,stacknode=None,stackquantity=None,nodemeta=None;
 			--	x=-18,y=29,z=31;
-			--	oldnode=default:stonebrick,oldparam1=0,oldparam2=None,oldmeta=None;
 			--	newnode=air,newparam1=13,newparam2=None,newmeta=None
 			-- ]
 			for fields in file:lines() do
@@ -48,23 +83,22 @@ minetest.register_chatcommand("rofl", {
 				local index = none(tonumber(string.sub(fields, string.find(fields, "index=")+string.len("index="), string.find(fields, ",add")-1)))
 				local add = none(tonumber(string.sub(fields, string.find(fields, "add=")+string.len("add="), string.find(fields, ",stacknode")-1)))
 				local stacknode = none(string.sub(fields, string.find(fields, "stacknode=")+string.len("stacknode="), string.find(fields, ",stackquantity")-1))
-				local stackquantity = none(tonumber(string.sub(fields, string.find(fields, "stackquantity=")+string.len("stackquantity="), string.find(fields, ",nodemeta")-1)))
-				local nodemeta = none(string.sub(fields, string.find(fields, "nodemeta=")+string.len("nodemeta="), string.find(fields, ";x=")-1))
+				local stackquantity = none(tonumber(string.sub(fields, string.find(fields, "stackquantity=")+string.len("stackquantity="), string.find(fields, ";x=")-1)))
 
 				local x = none(tonumber(string.sub(fields, string.find(fields, ";x=")+string.len(";x="), string.find(fields, ",y=")-1)))
 				local y = none(tonumber(string.sub(fields, string.find(fields, ",y=")+string.len(",y="), string.find(fields, ",z=")-1)))
-				local z = none(tonumber(string.sub(fields, string.find(fields, ",z=")+string.len(",z="), string.find(fields, ";oldnode=")-1)))
-
-				local oldnode = none(string.sub(fields, string.find(fields, "oldnode=")+string.len("oldnode="), string.find(fields, ",oldparam1")-1))
-				local oldparam1 = none(tonumber(string.sub(fields, string.find(fields, "oldparam1=")+string.len("oldparam1="), string.find(fields, ",oldparam2")-1)))
-				local oldparam2 = none(tonumber(string.sub(fields, string.find(fields, "oldparam2=")+string.len("oldparam2="), string.find(fields, ",oldmeta=")-1)))
-				--local oldmeta
+				local z = none(tonumber(string.sub(fields, string.find(fields, ",z=")+string.len(",z="), string.find(fields, ";newnode=")-1)))
 
 				local newnode = none(string.sub(fields, string.find(fields, "newnode=")+string.len("newnode="), string.find(fields, ",newparam1")-1))
 				local newparam1 = none(tonumber(string.sub(fields, string.find(fields, "newparam1=")+string.len("newparam1="), string.find(fields, ",newparam2")-1)))
 				local newparam2 = none(tonumber(string.sub(fields, string.find(fields, "newparam2=")+string.len("newparam2="), string.find(fields, ",newmeta=")-1)))
-				--local newmeta
+				local newmeta = none(metaread(string.sub(fields, string.find(fields, ",newmeta=")+string.len(",newmeta="), string.len(fields)-1)))
 
+				minetest.log("action","[ROFL] Applying id = " .. id)
+				if patchsegs % patchtotp == 0 then
+					minetest.get_player_by_name(name):setpos({x = x, y = y, z = z})
+					patchsegs = 0
+				end
 				if action_type == 1 then -- TYPE_SETNODE
 					local forced = minetest.forceload_block({x = x, y = y, z = z})
 					if forced then
@@ -73,16 +107,38 @@ minetest.register_chatcommand("rofl", {
 					else
 						minetest.log("error", "[ROFL] Couldn't forceplace block " .. minetest.pos_to_string({x = x, y = y, z = z}))
 					end
+					if newmeta then
+						local meta = minetest.get_meta({x = x, y = y, z = z})
+						for key,value in ipairs(newmeta) do
+							if tonumber(value) then
+								meta:set_int(key, value)
+							else
+								meta:set_string(key,value)
+							end
+						end
+					end
 
 				elseif action_type == 2 then -- TYPE_MODIFY_INVENTORY_STACK
-
+					local inv = minetest.get_meta({x = x, y = y, z = z}):get_inventory()
+					local stack = inv:get_stack(list, index)
+					if add == 1 then
+						stack:set_name(stacknode)
+						stack:set_count(stackquantity)
+					else
+						stack:take_item(stackquantity)
+					end
+					inv:set_stack(list, index, stack)
 
 				else -- TYPE_NOTHING
 					print("W.T.F. is type " .. (action_type or "nil"))
-
 				end
+				patchsegs = patchsegs + 1
 			end
 			i = i + 1
+			io.close(file)
+			if tonumber(param) then
+				break
+			end
 		end
 		minetest.chat_send_all("*** Server Up")
 	end,

other_things/scripts/SQLextract.py

@@ -7,7 +7,7 @@ from cStringIO import StringIO
 home = os.environ.get("HOME")
 db = "%s/rollback/rollback.sqlite" % (home)
 
-#[id=16000;actor=crabman;type=2;list=main,index=13,add=1, stacknode=default:glass,stackquantity=9,nodemeta=0;x=None, y=None,z=None,oldnode=,oldparam1=None,oldparam2=None,oldmeta=None:newnode=,newparam1=None,newparam2=None,newmeta=None]
+#[id=6,actor=Mg,type=1;list=None,index=None,add=None,stacknode=None,stackquantity=None;x=252,y=59,z=-401;newnode=air,newparam1=15,newparam2=None,newmeta=None]
 
 class Convert_id(object):
 	def __init__(self, base):
@@ -75,7 +75,8 @@ def select_all_nodes(startstamp, endstamp):
 		print(err)
 		sys.exit(1)
 	try:
-		cur.execute("SELECT * FROM action WHERE (NOT nodeMeta OR newNode) AND timestamp >=:startstamp AND timestamp < :endstamp", {"startstamp":startstamp, "endstamp":endstamp})
+		# x because we need position
+		cur.execute("SELECT * FROM action WHERE x AND timestamp >=:startstamp AND timestamp < :endstamp", {"startstamp":startstamp, "endstamp":endstamp})
 	except sqlite3.OperationalError as err:
 		print(err)
 		sys.exit(1)
@@ -132,14 +133,8 @@ def to_table(node):
 	table += ',add=%s' % node[6]
 	table += ',stacknode=%s' % Id.get_node_name(node[7])
 	table += ',stackquantity=%s' % node[8]
-	table += ',nodemeta=%s' % node[9]
 	# Position
 	table += ';x=%s,y=%s,z=%s' % (node[10], node[11], node[12])
-	# Old node
-	table += ';oldnode=%s' % Id.get_node_name(node[13])
-	table += ',oldparam1=%s' % node[14]
-	table += ',oldparam2=%s' % ston(node[15])
-	table += ',oldmeta=%s' % decode(node[16])
 	# New node
 	table += ';newnode=%s' % Id.get_node_name(node[17])
 	table += ',newparam1=%s' % ston(node[18])
@@ -170,13 +165,18 @@ def write_list(nodes, i):
 if __name__ == '__main__':
 	Id = Convert_id(db)
 	#select all nodes player as set i where time >= time
-	timestamp = 1426978800
+	#timestamp = 1426978800
+	timestamp = 0
 	i = 0
-	while timestamp <= calendar.timegm(time.gmtime()):
+	while timestamp <= time.time():
 			all_nodes = select_all_nodes(timestamp, timestamp+24*60*60)
 			if len(all_nodes) > 0:
 				write_list(all_nodes, i)
 				i += 1
-				print("%s to %s => %s entries" % (timestamp, timestamp+24*60*60, len(all_nodes)))
+				print("%s (%s) to %s (%s) => %s entries" % (
+					time.strftime("%m/%d/%Y", time.gmtime(timestamp)), timestamp,
+					time.strftime("%m/%d/%Y", time.gmtime(timestamp+24*60*60)), timestamp+24*60*60,
+					len(all_nodes))
+				)
 			timestamp += 24*60*60