Purge all debug messages and change 'print' function name to 'atprint'

Ready for 2.0 release.

9 files changed, 118 insertions, 122 deletions

diff --git a/advtrains/advtrains/atc.lua b/advtrains/advtrains/atc.lua
index f070b20..1b7ba5a 100644
--- a/advtrains/advtrains/atc.lua
+++ b/advtrains/advtrains/atc.lua
@@ -10,7 +10,7 @@ advtrains.fpath_atc=minetest.get_worldpath().."/advtrains_atc"
 local file, err = io.open(advtrains.fpath_atc, "r")
 if not file then
 	local er=err or "Unknown Error"
-	print("[advtrains]Failed loading advtrains atc save file "..er)
+	atprint("[advtrains]Failed loading advtrains atc save file "..er)
 else
 	local tbl = minetest.deserialize(file:read("*a"))
 	if type(tbl) == "table" then
@@ -44,11 +44,11 @@ end
 function atc.send_command(pos)
 	local pts=minetest.pos_to_string(pos)
 	if atc.controllers[pts] then
-		print("Called send_command at "..pts)
+		atprint("Called send_command at "..pts)
 		local train_id = advtrains.detector.on_node[pts]
 		if train_id then
 			if advtrains.trains[train_id] then
-				print("send_command inside if: "..sid(train_id))
+				atprint("send_command inside if: "..sid(train_id))
 				atc.train_reset_command(train_id)
 				local arrowconn=atc.controllers[pts].arrowconn
 				local train=advtrains.trains[train_id]
@@ -60,7 +60,7 @@ function atc.send_command(pos)
 										advtrains.round_vector_floor_y(train.path[index+train.movedir])
 								)
 						advtrains.trains[train_id].atc_command=atc.controllers[pts].command
-						print("Sending ATC Command: "..atc.controllers[pts].command)
+						atprint("Sending ATC Command: "..atc.controllers[pts].command)
 					end
 				end
 			end
@@ -190,7 +190,7 @@ local matchptn={
 			train.movedir=train.movedir*-1
 			train.atc_arrow = not train.atc_arrow
 		else
-			print("ATC Reverse command warning: didn't reverse train!")
+			atprint("ATC Reverse command warning: didn't reverse train!")
 		end
 		return 1
 	end,
@@ -235,15 +235,15 @@ function atc.execute_atc_command(id, train)
 		end
 	end	
 	if is_cond then
-		print("Evaluating if statement: "..command)
-		print("Cond: "..(cond or "nil"))
-		print("Applies: "..(cond_applies and "true" or "false"))
-		print("Rest: "..rest)
+		atprint("Evaluating if statement: "..command)
+		atprint("Cond: "..(cond or "nil"))
+		atprint("Applies: "..(cond_applies and "true" or "false"))
+		atprint("Rest: "..rest)
 		--find end of conditional statement
 		local nest, pos, elsepos=0, 1
 		while nest>=0 do
 			if pos>#rest then
-				print("ATC command syntax error: I statement not closed: "..command)
+				minetest.chat_send_all("ATC command syntax error: I statement not closed: "..command)
 				atc.train_reset_command(id)
 				return
 			end
@@ -265,7 +265,7 @@ function atc.execute_atc_command(id, train)
 		else
 			command=string.sub(rest, elsepos+1, pos-2)..string.sub(rest, pos)
 		end
-		print("Result: "..command)
+		atprint("Result: "..command)
 		train.atc_command=command
 		atc.execute_atc_command(id, train)
 		return
@@ -275,7 +275,7 @@ function atc.execute_atc_command(id, train)
 			if match then
 				local patlen=func(id, train, match)
 				
-				print("Executing: "..string.sub(command, 1, patlen))
+				atprint("Executing: "..string.sub(command, 1, patlen))
 				
 				train.atc_command=string.sub(command, patlen+1)
 				if train.atc_delay<=0 and not train.atc_wait_finish then
@@ -286,7 +286,7 @@ function atc.execute_atc_command(id, train)
 			end
 		end
 	end
-	print("ATC command parse error: "..command)
+	minetest.chat_send_all("ATC command parse error: "..command)
 	atc.train_reset_command(id)
 end
 
diff --git a/advtrains/advtrains/couple.lua b/advtrains/advtrains/couple.lua
index 974f450..c0dea84 100644
--- a/advtrains/advtrains/couple.lua
+++ b/advtrains/advtrains/couple.lua
@@ -69,7 +69,7 @@ minetest.register_entity("advtrains:discouple", {
 			self.object:setvelocity(velocityvec)
 			self.updatepct_timer=2
 		end
-		printbm("discouple_step", t)
+		atprintbm("discouple_step", t)
 	end,
 })
 
@@ -122,7 +122,7 @@ minetest.register_entity("advtrains:couple", {
 	end,
 	on_step=function(self, dtime)
 		local t=os.clock()
-		if not self.train_id_1 or not self.train_id_2 then print("wtf no train ids?")return end
+		if not self.train_id_1 or not self.train_id_2 then atprint("wtf no train ids?")return end
 		local train1=advtrains.trains[self.train_id_1]
 		local train2=advtrains.trains[self.train_id_2]
 		if not train1 or not train2 or not train1.path or not train2.path or not train1.index or not train2.index then
@@ -151,6 +151,6 @@ minetest.register_entity("advtrains:couple", {
 				self.object:setpos(pos_median)
 			end
 		end
-		printbm("couple step", t)
+		atprintbm("couple step", t)
 	end,
 }) 
diff --git a/advtrains/advtrains/helpers.lua b/advtrains/advtrains/helpers.lua
index 7ee7e71..e29eaa5 100644
--- a/advtrains/advtrains/helpers.lua
+++ b/advtrains/advtrains/helpers.lua
@@ -1,5 +1,4 @@
 --advtrains by orwell96, see readme.txt

-local print=function(t) minetest.log("action", t) minetest.chat_send_all(t) end

 

 advtrains.dir_trans_tbl={

 	[0]={x=0, z=1},

@@ -65,19 +64,19 @@ function advtrains.conway(midreal, prev, drives_on)--in order prev,mid,return
 	

 	local next, chkdir, chkrely, y_offset

 	y_offset=0

-	--print("[advtrains] in order mid1,mid2",middir1,middir2)

+	--atprint("[advtrains] in order mid1,mid2",middir1,middir2)

 	--try if it is dir1

 	local cor1=advtrains.dirCoordSet(mid, middir2)--<<<<

 	if cor1.x==prev.x and cor1.z==prev.z then--this was previous

 		next=advtrains.dirCoordSet(mid, middir1)

 		if midrely1>=1 then

 			next.y=next.y+1

-			--print("[advtrains]found midrely1 to be >=1: next is now "..(next and minetest.pos_to_string(next) or "nil"))

+			--atprint("[advtrains]found midrely1 to be >=1: next is now "..(next and minetest.pos_to_string(next) or "nil"))

 			y_offset=1

 		end

 		chkdir=middir1

 		chkrely=midrely1

-		--print("[advtrains]dir2 applied next pos:",minetest.pos_to_string(next),"(chkdir is ",chkdir,")")

+		--atprint("[advtrains]dir2 applied next pos:",minetest.pos_to_string(next),"(chkdir is ",chkdir,")")

 	end

 	--dir2???

 	local cor2=advtrains.dirCoordSet(mid, middir1)--<<<<

@@ -85,17 +84,17 @@ function advtrains.conway(midreal, prev, drives_on)--in order prev,mid,return
 		next=advtrains.dirCoordSet(mid, middir2)--dir2 wird überprüft, alles gut.

 		if midrely2>=1 then

 			next.y=next.y+1

-			--print("[advtrains]found midrely2 to be >=1: next is now "..(next and minetest.pos_to_string(next) or "nil"))

+			--atprint("[advtrains]found midrely2 to be >=1: next is now "..(next and minetest.pos_to_string(next) or "nil"))

 			y_offset=1

 		end

 		chkdir=middir2

 		chkrely=midrely2

-		--print("[advtrains] dir2 applied next pos:",minetest.pos_to_string(next),"(chkdir is ",chkdir,")")

+		--atprint("[advtrains] dir2 applied next pos:",minetest.pos_to_string(next),"(chkdir is ",chkdir,")")

 	end

-	--print("[advtrains]dir applied next pos: "..(next and minetest.pos_to_string(next) or "nil").."(chkdir is "..(chkdir or "nil")..", y-offset "..y_offset..")")

+	--atprint("[advtrains]dir applied next pos: "..(next and minetest.pos_to_string(next) or "nil").."(chkdir is "..(chkdir or "nil")..", y-offset "..y_offset..")")

 	--is there a next

 	if not next then

-		print("[advtrains]in conway: no next rail(nil), returning!")

+		atprint("[advtrains]in conway: no next rail(nil), returning!")

 		return nil

 	end

 	

@@ -103,36 +102,36 @@ function advtrains.conway(midreal, prev, drives_on)--in order prev,mid,return
 	

 	--is it a rail?

 	if(not nextnode_ok) then

-		print("[advtrains]in conway: next "..minetest.pos_to_string(next).." not a rail, trying one node below!")

+		atprint("[advtrains]in conway: next "..minetest.pos_to_string(next).." not a rail, trying one node below!")

 		next.y=next.y-1

 		y_offset=y_offset-1

 		

 		nextnode_ok, nextdir1, nextdir2, nextrely1, nextrely2, nextrailheight=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(next), drives_on)

 		if(not nextnode_ok) then

-			print("[advtrains]in conway: one below "..minetest.pos_to_string(next).." is not a rail either, returning!")

+			atprint("[advtrains]in conway: one below "..minetest.pos_to_string(next).." is not a rail either, returning!")

 			return nil

 		end

 	end

 	

 	--is this next rail connecting to the mid?

 	if not ( (((nextdir1+8)%16)==chkdir and nextrely1==chkrely-y_offset) or (((nextdir2+8)%16)==chkdir and nextrely2==chkrely-y_offset) ) then

-		print("[advtrains]in conway: next "..minetest.pos_to_string(next).." not connecting, trying one node below!")

+		atprint("[advtrains]in conway: next "..minetest.pos_to_string(next).." not connecting, trying one node below!")

 		next.y=next.y-1

 		y_offset=y_offset-1

 		

 		nextnode_ok, nextdir1, nextdir2, nextrely1, nextrely2, nextrailheight=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(next), drives_on)

 		if(not nextnode_ok) then

-			print("[advtrains]in conway: (at connecting if check again) one below "..minetest.pos_to_string(next).." is not a rail either, returning!")

+			atprint("[advtrains]in conway: (at connecting if check again) one below "..minetest.pos_to_string(next).." is not a rail either, returning!")

 			return nil

 		end

 		if not ( (((nextdir1+8)%16)==chkdir and nextrely1==chkrely) or (((nextdir2+8)%16)==chkdir and nextrely2==chkrely) ) then

-			print("[advtrains]in conway: one below "..minetest.pos_to_string(next).." rail not connecting, returning!")

-			print("[advtrains] in order mid1,2,next1,2,chkdir "..middir1.." "..middir2.." "..nextdir1.." "..nextdir2.." "..chkdir)

+			atprint("[advtrains]in conway: one below "..minetest.pos_to_string(next).." rail not connecting, returning!")

+			atprint("[advtrains] in order mid1,2,next1,2,chkdir "..middir1.." "..middir2.." "..nextdir1.." "..nextdir2.." "..chkdir)

 			return nil

 		end

 	end

 	

-	--print("[advtrains]conway found rail.")

+	--atprint("[advtrains]conway found rail.")

 	return vector.add(advtrains.round_vector_floor_y(next), {x=0, y=nextrailheight, z=0}), chkdir

 end

 --TODO use this

@@ -172,10 +171,10 @@ function advtrains.minAngleDiffRad(r1, r2)
 	end

 end

 function advtrains.dumppath(path)

-	if not path then print("dumppath: no path(nil)") return end

+	if not path then atprint("dumppath: no path(nil)") return end

 	local min=advtrains.minN(path)

 	local max=advtrains.maxN(path)

-	for i=min, max do print("["..i.."] "..(path[i] and minetest.pos_to_string(path[i]) or "nil")) end

+	for i=min, max do atprint("["..i.."] "..(path[i] and minetest.pos_to_string(path[i]) or "nil")) end

 end

 

 function advtrains.merge_tables(a, ...)

@@ -187,18 +186,18 @@ function advtrains.merge_tables(a, ...)
 end

 function advtrains.yaw_from_3_positions(prev, curr, next)

 	local pts=minetest.pos_to_string

-	--print("p3 "..pts(prev)..pts(curr)..pts(next))

+	--atprint("p3 "..pts(prev)..pts(curr)..pts(next))

 	local prev2curr=math.atan2((curr.x-prev.x), (prev.z-curr.z))

 	local curr2next=math.atan2((next.x-curr.x), (curr.z-next.z))

-	--print("y3 "..(prev2curr*360/(2*math.pi)).." "..(curr2next*360/(2*math.pi)))

+	--atprint("y3 "..(prev2curr*360/(2*math.pi)).." "..(curr2next*360/(2*math.pi)))

 	return prev2curr+(advtrains.minAngleDiffRad(prev2curr, curr2next)/2)

 end

 function advtrains.get_wagon_yaw(front, first, second, back, pct)

 	local pts=minetest.pos_to_string

-	--print("p "..pts(front)..pts(first)..pts(second)..pts(back))

+	--atprint("p "..pts(front)..pts(first)..pts(second)..pts(back))

 	local y2=advtrains.yaw_from_3_positions(second, first, front)

 	local y1=advtrains.yaw_from_3_positions(back, second, first)

-	--print("y "..(y1*360/(2*math.pi)).." "..(y2*360/(2*math.pi)))

+	--atprint("y "..(y1*360/(2*math.pi)).." "..(y2*360/(2*math.pi)))

 	return y1+advtrains.minAngleDiffRad(y1, y2)*pct

 end

 function advtrains.get_real_index_position(path, index)

diff --git a/advtrains/advtrains/init.lua b/advtrains/advtrains/init.lua
index 33aa962..ce3cc9f 100644
--- a/advtrains/advtrains/init.lua
+++ b/advtrains/advtrains/init.lua
@@ -4,7 +4,8 @@ advtrains={}
 
 advtrains.modpath = minetest.get_modpath("advtrains")
 
-print=function(t, ...) minetest.log("action", table.concat({t, ...}, " ")) minetest.chat_send_all(table.concat({t, ...}, " ")) end
+atprint=function() end
+--atprint=function(t, ...) minetest.log("action", table.concat({t, ...}, " ")) minetest.chat_send_all(table.concat({t, ...}, " ")) end
 sid=function(id) return string.sub(id, -4) end
 
 dofile(advtrains.modpath.."/helpers.lua");
diff --git a/advtrains/advtrains/pseudoload.lua b/advtrains/advtrains/pseudoload.lua
index 14db58f..0636d2e 100644
--- a/advtrains/advtrains/pseudoload.lua
+++ b/advtrains/advtrains/pseudoload.lua
@@ -1,5 +1,3 @@
-local print=function(t) minetest.log("action", t) minetest.chat_send_all(t) end
-
 --pseudoload.lua
 --responsible for keeping up a database of all rail nodes existant in the world, regardless of whether the mapchunk is loaded.
 
@@ -22,7 +20,7 @@ for tt, _ in pairs(advtrains.all_traintypes) do
 	local file, err = io.open(pl_fpath, "r")
 	if not file then
 		local er=err or "Unknown Error"
-		print("[advtrains]Failed loading advtrains trackdb save file "..er)
+		atprint("[advtrains]Failed loading advtrains trackdb save file "..er)
 	else
 		--custom format to save memory
 		while true do
@@ -30,7 +28,7 @@ for tt, _ in pairs(advtrains.all_traintypes) do
 			if not xbytes or #xbytes<2 then
 				break --eof reached
 			end
-			print(xbytes)
+			atprint(xbytes)
 			local ybytes=file:read(2)
 			local zbytes=file:read(2)
 			local x=(string.byte(xbytes[1])-128)*256+(string.byte(xbytes[2]))
@@ -76,13 +74,13 @@ function advtrains.save_trackdb()
 		local file, err = io.open(pl_fpath, "w")
 		if not file then
 			local er=err or "Unknown Error"
-			print("[advtrains]Failed saving advtrains trackdb save file "..er)
+			atprint("[advtrains]Failed saving advtrains trackdb save file "..er)
 		else
 			--custom format to save memory
 			for y,tyl in pairs(advtrains.trackdb[tt]) do
 				for x,txl in pairs(tyl) do
 					for z,rail in pairs(txl) do
-						print("write "..x.." "..y.." "..z.." "..minetest.serialize(rail))
+						atprint("write "..x.." "..y.." "..z.." "..minetest.serialize(rail))
 						file:write(string.char(math.floor(x/256)+128)..string.char((x%256)))
 						file:write(string.char(math.floor(y/256)+128)..string.char((y%256)))
 						file:write(string.char(math.floor(z/256)+128)..string.char((z%256)))
@@ -105,7 +103,7 @@ advtrains.fpath_tdb=minetest.get_worldpath().."/advtrains_trackdb2"
 local file, err = io.open(advtrains.fpath_tdb, "r")
 if not file then
 	local er=err or "Unknown Error"
-	print("[advtrains]Failed loading advtrains save file "..er)
+	atprint("[advtrains]Failed loading advtrains save file "..er)
 else
 	local tbl = minetest.deserialize(file:read("*a"))
 	if type(tbl) == "table" then
diff --git a/advtrains/advtrains/trackplacer.lua b/advtrains/advtrains/trackplacer.lua
index b24103a..e40cb59 100644
--- a/advtrains/advtrains/trackplacer.lua
+++ b/advtrains/advtrains/trackplacer.lua
@@ -233,7 +233,7 @@ minetest.register_craftitem("advtrains:trackworker",{
 			if advtrains.is_train_at_pos(pos) then return end
 
 			local nnprefix, suffix, rotation=string.match(node.name, "^(.+)_([^_]+)(_[^_]+)$")
-			--print(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation)
+			--atprint(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation)
 			if not tp.tracks[nnprefix] or not tp.tracks[nnprefix].twrotate[suffix] then
 				nnprefix, suffix=string.match(node.name, "^(.+)_([^_]+)$")
 				rotation = ""
@@ -274,7 +274,7 @@ minetest.register_craftitem("advtrains:trackworker",{
 			--if not advtrains.is_track_and_drives_on(minetest.get_node(pos).name, advtrains.all_tracktypes) then return end
 			if advtrains.is_train_at_pos(pos) then return end
 			local nnprefix, suffix, rotation=string.match(node.name, "^(.+)_([^_]+)(_[^_]+)$")
-	        --print(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation)
+	        --atprint(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation)
 		    if not tp.tracks[nnprefix] or not tp.tracks[nnprefix].twcycle[suffix] then
 			  nnprefix, suffix=string.match(node.name, "^(.+)_([^_]+)$")
 			  rotation = ""
@@ -288,7 +288,7 @@ minetest.register_craftitem("advtrains:trackworker",{
 			--invalidate trains
 			advtrains.invalidate_all_paths()
 		else
-			print(name, dump(tp.tracks))
+			atprint(name, dump(tp.tracks))
 		end
 	end,
 })
diff --git a/advtrains/advtrains/tracks.lua b/advtrains/advtrains/tracks.lua
index c20be70..53f5ce7 100644
--- a/advtrains/advtrains/tracks.lua
+++ b/advtrains/advtrains/tracks.lua
@@ -370,10 +370,10 @@ end
 

 function advtrains.get_track_connections(name, param2)

 	local nodedef=minetest.registered_nodes[name]

-	if not nodedef then print("[advtrains] get_track_connections couldn't find nodedef for nodename "..(name or "nil")) return 0, 8, 0, 0, 0 end

+	if not nodedef then atprint("[advtrains] get_track_connections couldn't find nodedef for nodename "..(name or "nil")) return 0, 8, 0, 0, 0 end

 	local noderot=param2

 	if not param2 then noderot=0 end

-	if noderot > 3 then print("[advtrains] get_track_connections: rail has invaild param2 of "..noderot) noderot=0 end

+	if noderot > 3 then atprint("[advtrains] get_track_connections: rail has invaild param2 of "..noderot) noderot=0 end

 	

 	local tracktype

 	for k,_ in pairs(nodedef.groups) do

@@ -398,10 +398,10 @@ advtrains.detector.clean_step_before = false
 --The entry already being contained in advtrains.detector.on_node_restore will not trigger an on_train_enter event on the node.  (when path is reset, this is saved).

 function advtrains.detector.enter_node(pos, train_id)

 	local pts = minetest.pos_to_string(advtrains.round_vector_floor_y(pos))

-	--print("enterNode "..pts.." "..sid(train_id))

+	--atprint("enterNode "..pts.." "..sid(train_id))

 	if advtrains.detector.on_node[pts] then

 		if advtrains.trains[advtrains.detector.on_node[pts]] then

-			--print(""..pts.." already occupied")

+			--atprint(""..pts.." already occupied")

 			return false

 		else

 			advtrains.detector.leave_node(pos, advtrains.detector.on_node[pts])

@@ -417,9 +417,9 @@ function advtrains.detector.enter_node(pos, train_id)
 end

 function advtrains.detector.leave_node(pos, train_id)

 	local pts = minetest.pos_to_string(advtrains.round_vector_floor_y(pos))

-	--print("leaveNode "..pts.." "..sid(train_id))

+	--atprint("leaveNode "..pts.." "..sid(train_id))

 	if not advtrains.detector.on_node[pts] then

-		--print(""..pts.." leave: nothing here")

+		--atprint(""..pts.." leave: nothing here")

 		return false

 	end

 	if advtrains.detector.on_node[pts]==train_id then

@@ -427,7 +427,7 @@ function advtrains.detector.leave_node(pos, train_id)
 		advtrains.detector.on_node[pts]=nil

 	else

 		if advtrains.trains[advtrains.detector.on_node[pts]] then

-			--print(""..pts.." occupied by another train")

+			--atprint(""..pts.." occupied by another train")

 			return false

 		else

 			advtrains.detector.leave_node(pos, advtrains.detector.on_node[pts])

@@ -438,21 +438,21 @@ function advtrains.detector.leave_node(pos, train_id)
 end

 --called immediately before invalidating paths

 function advtrains.detector.setup_restore()

-	--print("setup_restore")

+	--atprint("setup_restore")

 	advtrains.detector.on_node_restore = advtrains.detector.on_node

 	advtrains.detector.on_node = {}

 end

 --called one step after invalidating paths, when all trains have restored their path and called enter_node for their contents.

 function advtrains.detector.finalize_restore()

-	--print("finalize_restore")

+	--atprint("finalize_restore")

 	for pts, train_id in pairs(advtrains.detector.on_node_restore) do

-		--print("called leave callback "..pts.." "..train_id)

+		--atprint("called leave callback "..pts.." "..train_id)

 		advtrains.detector.call_leave_callback(minetest.string_to_pos(pts), train_id)

 	end

 	advtrains.detector.on_node_restore = {}

 end

 function advtrains.detector.call_enter_callback(pos, train_id)

-	--print("instructed to call enter calback")

+	--atprint("instructed to call enter calback")

 

 	local node = minetest.get_node(pos) --this spares the check if node is nil, it has a name in any case

 	local mregnode=minetest.registered_nodes[node.name]

@@ -464,7 +464,7 @@ function advtrains.detector.call_enter_callback(pos, train_id)
 	advtrains.atc.trigger_controller_train_enter(pos, train_id)

 end

 function advtrains.detector.call_leave_callback(pos, train_id)

-	--print("instructed to call leave calback")

+	--atprint("instructed to call leave calback")

 

 	local node = minetest.get_node(pos) --this spares the check if node is nil, it has a name in any case

 	local mregnode=minetest.registered_nodes[node.name]

diff --git a/advtrains/advtrains/trainlogic.lua b/advtrains/advtrains/trainlogic.lua
index 0ad7874..ac870c0 100644
--- a/advtrains/advtrains/trainlogic.lua
+++ b/advtrains/advtrains/trainlogic.lua
@@ -7,7 +7,7 @@ local bm={}
 local bmlt=0
 local bmsteps=0
 local bmstepint=200
-printbm=function(action, ta)
+atprintbm=function(action, ta)
 	if not benchmark then return end
 	local t=(os.clock()-ta)*1000
 	if not bm[action] then
@@ -47,7 +47,7 @@ advtrains.fpath=minetest.get_worldpath().."/advtrains"
 local file, err = io.open(advtrains.fpath, "r")
 if not file then
 	local er=err or "Unknown Error"
-	print("[advtrains]Failed loading advtrains save file "..er)
+	atprint("[advtrains]Failed loading advtrains save file "..er)
 else
 	local tbl = minetest.deserialize(file:read("*a"))
 	if type(tbl) == "table" then
@@ -59,7 +59,7 @@ advtrains.fpath_ws=minetest.get_worldpath().."/advtrains_wagon_save"
 local file, err = io.open(advtrains.fpath_ws, "r")
 if not file then
 	local er=err or "Unknown Error"
-	print("[advtrains]Failed loading advtrains save file "..er)
+	atprint("[advtrains]Failed loading advtrains save file "..er)
 else
 	local tbl = minetest.deserialize(file:read("*a"))
 	if type(tbl) == "table" then
@@ -70,7 +70,7 @@ end
 
 
 advtrains.save = function()
-	print("[advtrains]saving")
+	atprint("[advtrains]saving")
 	advtrains.invalidate_all_paths()
 	local datastr = minetest.serialize(advtrains.trains)
 	if not datastr then
@@ -105,7 +105,7 @@ advtrains.save = function()
 			data.discouple=nil
 		end
 	end
-	--print(dump(advtrains.wagon_save))
+	--atprint(dump(advtrains.wagon_save))
 	datastr = minetest.serialize(advtrains.wagon_save)
 	if not datastr then
 		minetest.log("error", "[advtrains] Failed to serialize train data!")
@@ -132,7 +132,7 @@ minetest.register_globalstep(function(dtime)
 		--save
 		advtrains.save()
 		advtrains.save_and_audit_timer=advtrains.audit_interval
-		printbm("saving", t)
+		atprintbm("saving", t)
 	end
 	--regular train step
 	local t=os.clock()
@@ -145,7 +145,7 @@ minetest.register_globalstep(function(dtime)
 		advtrains.detector.finalize_restore()
 	end
 	
-	printbm("trainsteps", t)
+	atprintbm("trainsteps", t)
 	endstep()
 end)
 
@@ -171,7 +171,7 @@ function advtrains.train_step(id, train, dtime)
 	--if not train.last_pos then advtrains.trains[id]=nil return end
 	
 	if not advtrains.pathpredict(id, train) then 
-		print("pathpredict failed(returned false)")
+		atprint("pathpredict failed(returned false)")
 		train.velocity=0
 		train.tarvelocity=0
 		return
@@ -181,7 +181,7 @@ function advtrains.train_step(id, train, dtime)
 	if not path then
 		train.velocity=0
 		train.tarvelocity=0
-		print("train has no path for whatever reason")
+		atprint("train has no path for whatever reason")
 		return 
 	end
 	
@@ -236,7 +236,7 @@ function advtrains.train_step(id, train, dtime)
 	
 	--remove?
 	if #train.trainparts==0 then
-		print("[advtrains][train "..sid(id).."] has empty trainparts, removing.")
+		atprint("[advtrains][train "..sid(id).."] has empty trainparts, removing.")
 		advtrains.detector.leave_node(path[train.detector_old_index], id)
 		advtrains.trains[id]=nil
 		return
@@ -284,7 +284,7 @@ function advtrains.train_step(id, train, dtime)
 	local node_range=(math.max((minetest.setting_get("active_block_range") or 0),1)*16)
 	if train.check_trainpartload<=0 then
 		local ori_pos=advtrains.get_real_index_position(path, train.index) --not much to calculate
-		--print("[advtrains][train "..id.."] at "..minetest.pos_to_string(vector.round(ori_pos)))
+		--atprint("[advtrains][train "..id.."] at "..minetest.pos_to_string(vector.round(ori_pos)))
 		
 		local should_check=false
 		for _,p in ipairs(minetest.get_connected_players()) do
@@ -335,19 +335,19 @@ function advtrains.train_step(id, train, dtime)
 		local mass=#train.trainparts
 		local diff=train.tarvelocity-train.velocity
 		if diff>0 then--accelerating, force will be brought on only by locomotives.
-			--print("accelerating with default force")
+			--atprint("accelerating with default force")
 			applydiff=(math.min((advtrains.train_accel_force*train.locomotives_in_train*dtime)/mass, math.abs(diff)))
 		else--decelerating
 			if front_off_track or back_off_track or train.recently_collided_with_env then --every wagon has a brake, so not divided by mass.
-				--print("braking with emergency force")
+				--atprint("braking with emergency force")
 				applydiff= -(math.min((advtrains.train_emerg_force*dtime), math.abs(diff)))
 			elseif train.brake or (train.atc_brake_target and train.atc_brake_target<train.velocity) then
-				--print("braking with default force")
+				--atprint("braking with default force")
 				--no math.min, because it can grow beyond tarvelocity, see up there
 				--dont worry, it will never fall below zero.
 				applydiff= -((advtrains.train_brake_force*dtime))
 			else
-				--print("roll")
+				--atprint("roll")
 				applydiff= -(math.min((advtrains.train_roll_force*dtime), math.abs(diff)))
 			end
 		end
@@ -411,13 +411,13 @@ end
 --returns false on failure. handle this case!
 function advtrains.pathpredict(id, train)
 	
-	--print("pos ",x,y,z)
+	--atprint("pos ",x,y,z)
 	--::rerun::
 	if not train.index then train.index=0 end
 	if not train.path or #train.path<2 then
 		if not train.last_pos then
 			--no chance to recover
-			print("[advtrains]train hasn't saved last-pos, removing train.")
+			atprint("[advtrains]train hasn't saved last-pos, removing train.")
 			advtrains.train[id]=nil
 			return false
 		end
@@ -426,17 +426,17 @@ function advtrains.pathpredict(id, train)
 		
 		if node_ok==nil then
 			--block not loaded, do nothing
-			print("[advtrains]last_pos not available")
+			atprint("[advtrains]last_pos not available")
 			return nil
 		elseif node_ok==false then
-			print("[advtrains]no track here, (fail) removing train.")
+			atprint("[advtrains]no track here, (fail) removing train.")
 			advtrains.trains[id]=nil
 			return false
 		end
 		
 		if not train.last_pos_prev then
 			--no chance to recover
-			print("[advtrains]train hasn't saved last-pos_prev, removing train.")
+			atprint("[advtrains]train hasn't saved last-pos_prev, removing train.")
 			advtrains.trains[id]=nil
 			return false
 		end
@@ -445,10 +445,10 @@ function advtrains.pathpredict(id, train)
 		
 		if prevnode_ok==nil then
 			--block not loaded, do nothing
-			print("[advtrains]prev not available")
+			atprint("[advtrains]prev not available")
 			return nil
 		elseif prevnode_ok==false then
-			print("[advtrains]no track at prev, (fail) removing train.")
+			atprint("[advtrains]no track at prev, (fail) removing train.")
 			advtrains.trains[id]=nil
 			return false
 		end
@@ -476,7 +476,7 @@ function advtrains.pathpredict(id, train)
 	
 	local maxn=train.max_index_on_track or 0
 	while (maxn-train.index) < pregen_front do--pregenerate
-		--print("[advtrains]maxn conway for ",maxn,minetest.pos_to_string(path[maxn]),maxn-1,minetest.pos_to_string(path[maxn-1]))
+		--atprint("[advtrains]maxn conway for ",maxn,minetest.pos_to_string(path[maxn]),maxn-1,minetest.pos_to_string(path[maxn-1]))
 		local conway=advtrains.conway(train.path[maxn], train.path[maxn-1], train.drives_on)
 		if conway then
 			train.path[maxn+1]=conway
@@ -484,7 +484,7 @@ function advtrains.pathpredict(id, train)
 		else
 			--do as if nothing has happened and preceed with path
 			--but do not update max_index_on_track
-			print("over-generating path max to index "..(maxn+1).." (position "..minetest.pos_to_string(train.path[maxn]).." )")
+			atprint("over-generating path max to index "..(maxn+1).." (position "..minetest.pos_to_string(train.path[maxn]).." )")
 			train.path[maxn+1]=vector.add(train.path[maxn], vector.subtract(train.path[maxn], train.path[maxn-1]))
 		end
 		train.path_dist[maxn]=vector.distance(train.path[maxn+1], train.path[maxn])
@@ -493,7 +493,7 @@ function advtrains.pathpredict(id, train)
 	
 	local minn=train.min_index_on_track or 0
 	while (train.index-minn) < (train.trainlen or 0) + pregen_back do --post_generate. has to be at least trainlen. (we let go of the exact calculation here since this would be unuseful here)
-		--print("[advtrains]minn conway for ",minn,minetest.pos_to_string(path[minn]),minn+1,minetest.pos_to_string(path[minn+1]))
+		--atprint("[advtrains]minn conway for ",minn,minetest.pos_to_string(path[minn]),minn+1,minetest.pos_to_string(path[minn+1]))
 		local conway=advtrains.conway(train.path[minn], train.path[minn+1], train.drives_on)
 		if conway then
 			train.path[minn-1]=conway
@@ -501,7 +501,7 @@ function advtrains.pathpredict(id, train)
 		else
 			--do as if nothing has happened and preceed with path
 			--but do not update min_index_on_track
-			print("over-generating path min to index "..(minn-1).." (position "..minetest.pos_to_string(train.path[minn]).." )")
+			atprint("over-generating path min to index "..(minn-1).." (position "..minetest.pos_to_string(train.path[minn]).." )")
 			train.path[minn-1]=vector.add(train.path[minn], vector.subtract(train.path[minn], train.path[minn+1]))
 		end
 		train.path_dist[minn-1]=vector.distance(train.path[minn], train.path[minn-1])
@@ -515,12 +515,12 @@ function advtrains.pathpredict(id, train)
 		train.savedpos_off_track_index_offset=train.index-train.max_index_on_track
 		train.last_pos=train.path[train.max_index_on_track]
 		train.last_pos_prev=train.path[train.max_index_on_track-1]
-		print("train is off-track (front), last positions kept at "..minetest.pos_to_string(train.last_pos).." / "..minetest.pos_to_string(train.last_pos_prev))
+		atprint("train is off-track (front), last positions kept at "..minetest.pos_to_string(train.last_pos).." / "..minetest.pos_to_string(train.last_pos_prev))
 	elseif train.min_index_on_track+1>train.index then --whoops, train went even more far. same behavior
 		train.savedpos_off_track_index_offset=train.index-train.min_index_on_track
 		train.last_pos=train.path[train.min_index_on_track+1]
 		train.last_pos_prev=train.path[train.min_index_on_track]
-		print("train is off-track (back), last positions kept at "..minetest.pos_to_string(train.last_pos).." / "..minetest.pos_to_string(train.last_pos_prev))
+		atprint("train is off-track (back), last positions kept at "..minetest.pos_to_string(train.last_pos).." / "..minetest.pos_to_string(train.last_pos_prev))
 	else --regular case
 		train.savedpos_off_track_index_offset=nil
 		train.last_pos=train.path[math.floor(train.index+0.5)]
@@ -599,7 +599,7 @@ function advtrains.update_trainpart_properties(train_id, invert_flipstate)
 			end
 			train.max_speed=math.min(train.max_speed, wagon.max_speed)
 		else
-			print(w_id.." not loaded and no save available")
+			atprint(w_id.." not loaded and no save available")
 			--what the hell...
 			table.remove(train.trainparts, pit)
 		end
@@ -617,23 +617,23 @@ function advtrains.split_train_at_wagon(wagon)
 	
 	--before doing anything, check if both are rails. else do not allow
 	if not pos_for_new_train then
-		print("split_train: pos_for_new_train not set")
+		atprint("split_train: pos_for_new_train not set")
 		return false
 	end
 	local node_ok=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(pos_for_new_train), train.drives_on)
 	if not node_ok then
-		print("split_train: pos_for_new_train "..minetest.pos_to_string(advtrains.round_vector_floor_y(pos_for_new_train_prev)).." not loaded or is not a rail")
+		atprint("split_train: pos_for_new_train "..minetest.pos_to_string(advtrains.round_vector_floor_y(pos_for_new_train_prev)).." not loaded or is not a rail")
 		return false
 	end
 	
 	if not train.last_pos_prev then
-		print("split_train: pos_for_new_train_prev not set")
+		atprint("split_train: pos_for_new_train_prev not set")
 		return false
 	end
 	
 	local prevnode_ok=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(pos_for_new_train), train.drives_on)
 	if not prevnode_ok then
-		print("split_train: pos_for_new_train_prev "..minetest.pos_to_string(advtrains.round_vector_floor_y(pos_for_new_train_prev)).." not loaded or is not a rail")
+		atprint("split_train: pos_for_new_train_prev "..minetest.pos_to_string(advtrains.round_vector_floor_y(pos_for_new_train_prev)).." not loaded or is not a rail")
 		return false
 	end
 	
@@ -681,7 +681,7 @@ function advtrains.trains_facing(train1, train2)
 end
 
 function advtrains.spawn_couple_on_collide(id1, pos, id2, t1_is_backpos)
-	print("COLLISION: "..sid(id1).." and "..sid(id2).." at "..minetest.pos_to_string(pos)..", t1_is_backpos="..(t1_is_backpos and "true" or "false"))
+	atprint("COLLISION: "..sid(id1).." and "..sid(id2).." at "..minetest.pos_to_string(pos)..", t1_is_backpos="..(t1_is_backpos and "true" or "false"))
 	--TODO:
 	local train1=advtrains.trains[id1]
 	local train2=advtrains.trains[id2]
@@ -695,24 +695,24 @@ function advtrains.spawn_couple_on_collide(id1, pos, id2, t1_is_backpos)
 		end
 	end
 	if not found then
-		print("Err: pos not in path")
+		atprint("Err: pos not in path")
 		return 
 	end
 	
 	local frontpos2=train2.path[math.floor(train2.detector_old_index)]
 	local backpos2=train2.path[math.floor(train2.detector_old_end_index)]
 	local t2_is_backpos
-	print("End positions: "..minetest.pos_to_string(frontpos2)..minetest.pos_to_string(backpos2))
+	atprint("End positions: "..minetest.pos_to_string(frontpos2)..minetest.pos_to_string(backpos2))
 	
 	if vector.distance(frontpos2, pos)<2 then
 		t2_is_backpos=false
 	elseif vector.distance(backpos2, pos)<2 then
 		t2_is_backpos=true
 	else
-		print("Err: not a endpos")
+		atprint("Err: not a endpos")
 		return --the collision position is not the end position.
 	end
-	print("t2_is_backpos="..(t2_is_backpos and "true" or "false"))
+	atprint("t2_is_backpos="..(t2_is_backpos and "true" or "false"))
 	
 	local t1_has_couple
 	if t1_is_backpos then
@@ -734,7 +734,7 @@ function advtrains.spawn_couple_on_collide(id1, pos, id2, t1_is_backpos)
 		if minetest.object_refs[t2_has_couple] then minetest.object_refs[t2_has_couple]:remove() end
 	end
 	local obj=minetest.add_entity(pos, "advtrains:couple")
-	if not obj then print("failed creating object") return end
+	if not obj then atprint("failed creating object") return end
 	local le=obj:get_luaentity()
 	le.train_id_1=id1
 	le.train_id_2=id2
@@ -755,7 +755,7 @@ function advtrains.spawn_couple_on_collide(id1, pos, id2, t1_is_backpos)
 			end
 		end
 	end
-	print("Couple entity:"..dump(le))
+	atprint("Couple entity:"..dump(le))
 	
 	--also TODO: integrate check_trainpartload into update_trainpart_properties. 
 end
@@ -798,20 +798,20 @@ function advtrains.invert_train(train_id)
 end
 
 function advtrains.is_train_at_pos(pos)
-	--print("istrainat: pos "..minetest.pos_to_string(pos))
+	--atprint("istrainat: pos "..minetest.pos_to_string(pos))
 	local checked_trains={}
 	local objrefs=minetest.get_objects_inside_radius(pos, 2)
 	for _,v in pairs(objrefs) do
 		local le=v:get_luaentity()
 		if le and le.is_wagon and le.initialized and le.train_id and not checked_trains[le.train_id] then
-			--print("istrainat: checking "..le.train_id)
+			--atprint("istrainat: checking "..le.train_id)
 			checked_trains[le.train_id]=true
 			local path=advtrains.get_or_create_path(le.train_id, le:train())
 			if path then
-				--print("has path")
+				--atprint("has path")
 				for i=math.floor(advtrains.get_train_end_index(le:train())+0.5),math.floor(le:train().index+0.5) do
 					if path[i] then
-						--print("has pathitem "..i.." "..minetest.pos_to_string(path[i]))
+						--atprint("has pathitem "..i.." "..minetest.pos_to_string(path[i]))
 						if vector.equals(advtrains.round_vector_floor_y(path[i]), pos) then
 							return true
 						end
@@ -823,7 +823,7 @@ function advtrains.is_train_at_pos(pos)
 	return false
 end
 function advtrains.invalidate_all_paths()
-	--print("invalidating all paths")
+	--atprint("invalidating all paths")
 	for k,v in pairs(advtrains.trains) do
 		if v.index then
 			v.restore_add_index=v.index-math.floor(v.index+0.5)
diff --git a/advtrains/advtrains/wagons.lua b/advtrains/advtrains/wagons.lua
index 495f914..8c3cd0a 100644
--- a/advtrains/advtrains/wagons.lua
+++ b/advtrains/advtrains/wagons.lua
@@ -1,6 +1,4 @@
 --atan2 counts angles clockwise, minetest does counterclockwise

---local print=function(t) minetest.log("action", t) minetest.chat_send_all(t) end

-local print=function() end

 

 local wagon={

 	collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},

@@ -49,7 +47,7 @@ end
 	wagon will save only uid in staticdata, no serialized table

 ]]

 function wagon:on_activate(sd_uid, dtime_s)

-	print("[advtrains][wagon "..((sd_uid and sd_uid~="" and sd_uid) or "no-id").."] activated")

+	atprint("[advtrains][wagon "..((sd_uid and sd_uid~="" and sd_uid) or "no-id").."] activated")

 	self.object:set_armor_groups({immortal=1})

 	if sd_uid and sd_uid~="" then

 		--legacy

@@ -65,7 +63,7 @@ function wagon:on_activate(sd_uid, dtime_s)
 	--duplicates?

 	for ao_id,wagon in pairs(minetest.luaentities) do

 		if wagon.is_wagon and wagon.initialized and wagon.unique_id==self.unique_id and wagon~=self then--i am a duplicate!

-			print("[advtrains][wagon "..((sd_uid and sd_uid~="" and sd_uid) or "no-id").."] duplicate found(ao_id:"..ao_id.."), removing")

+			atprint("[advtrains][wagon "..((sd_uid and sd_uid~="" and sd_uid) or "no-id").."] duplicate found(ao_id:"..ao_id.."), removing")

 			self.object:remove()

 			minetest.after(0.5, function() advtrains.update_trainpart_properties(self.train_id) end)

 			return

@@ -79,7 +77,7 @@ end
 

 function wagon:get_staticdata()

 	if not self:ensure_init() then return end

-	print("[advtrains][wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: saving to wagon_save")

+	atprint("[advtrains][wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: saving to wagon_save")

 	--serialize inventory, if it has one

 	if self.has_inventory then

 		local inv=minetest.get_inventory({type="detached", name="advtrains_wgn_"..self.unique_id})

@@ -103,7 +101,7 @@ function wagon:init_new_instance(train_id, properties)
 	end

 	self:init_shared()

 	self.initialized=true

-	print("init_new_instance "..self.unique_id.." ("..self.train_id..")")

+	atprint("init_new_instance "..self.unique_id.." ("..self.train_id..")")

 	return self.unique_id

 end

 function wagon:init_from_wagon_save(uid)

@@ -124,7 +122,7 @@ function wagon:init_from_wagon_save(uid)
 	self:init_shared()

 	self.initialized=true

 	minetest.after(1, function() self:reattach_all() end)

-	print("init_from_wagon_save "..self.unique_id.." ("..self.train_id..")")

+	atprint("init_from_wagon_save "..self.unique_id.." ("..self.train_id..")")

 	advtrains.update_trainpart_properties(self.train_id)

 end

 function wagon:init_shared()

@@ -211,7 +209,7 @@ function wagon:destroy()
 		self.custom_on_destroy(self, puncher, time_from_last_punch, tool_capabilities, direction)

 	end

 	

-	print("[advtrains][wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: destroying")

+	atprint("[advtrains][wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: destroying")

 	

 	self.object:remove()

 

@@ -230,7 +228,7 @@ function wagon:on_step(dtime)
 	local pos = self.object:getpos()

 	

 	if not pos then

-		print("["..self.unique_id.."][fatal] missing position (object:getpos() returned nil)")

+		atprint("["..self.unique_id.."][fatal] missing position (object:getpos() returned nil)")

 		return

 	end

 

@@ -238,7 +236,7 @@ function wagon:on_step(dtime)
 	

 	--is my train still here

 	if not self.train_id or not self:train() then

-		print("[advtrains][wagon "..self.unique_id.."] missing train_id, destroying")

+		atprint("[advtrains][wagon "..self.unique_id.."] missing train_id, destroying")

 		self.object:remove()

 		return

 	elseif not self.initialized then

@@ -292,7 +290,7 @@ function wagon:on_step(dtime)
 					--object:set_attach(self.object, "", {x=0, y=0, z=self.wagon_span*10}, {x=0, y=0, z=0})

 					self.discouple=le

 				else

-					print("Couldn't spawn DisCouple")

+					atprint("Couldn't spawn DisCouple")

 				end

 			end

 		else

@@ -313,13 +311,13 @@ function wagon:on_step(dtime)
 	end

 	

 	local index=advtrains.get_real_path_index(self:train(), self.pos_in_train)

-	--print("trainindex "..gp.index.." wagonindex "..index)

+	--atprint("trainindex "..gp.index.." wagonindex "..index)

 	

 	--position recalculation

 	local first_pos=gp.path[math.floor(index)]

 	local second_pos=gp.path[math.floor(index)+1]

 	if not first_pos or not second_pos then

-		--print("[advtrains] object "..self.unique_id.." path end reached!")

+		--atprint("[advtrains] object "..self.unique_id.." path end reached!")

 		self.object:setvelocity({x=0,y=0,z=0})

 		return

 	end

@@ -387,7 +385,7 @@ function wagon:on_step(dtime)
 	self.old_velocity_vector=velocityvec

 	self.old_acceleration_vector=accelerationvec

 	self.old_yaw=yaw

-	printbm("wagon step", t)

+	atprintbm("wagon step", t)

 end

 

 function advtrains.get_real_path_index(train, pit)

@@ -535,10 +533,10 @@ function advtrains.register_wagon(sysname, prototype, desc, inv_img)
 			end

 			

 			local node=minetest.env:get_node_or_nil(pointed_thing.under)

-			if not node then print("[advtrains]Ignore at placer position") return itemstack end

+			if not node then atprint("[advtrains]Ignore at placer position") return itemstack end

 			local nodename=node.name

 			if(not advtrains.is_track_and_drives_on(nodename, prototype.drives_on)) then

-				print("[advtrains]no track here, not placing.")

+				atprint("[advtrains]no track here, not placing.")

 				return itemstack

 			end

 			local conn1=advtrains.get_track_connections(node.name, node.param2)

@@ -546,7 +544,7 @@ function advtrains.register_wagon(sysname, prototype, desc, inv_img)
 			

 			local ob=minetest.env:add_entity(pointed_thing.under, "advtrains:"..sysname)

 			if not ob then

-				print("[advtrains]couldn't add_entity, aborting")

+				atprint("[advtrains]couldn't add_entity, aborting")

 			end

 			local le=ob:get_luaentity()