Merged priv

1 files changed, 0 insertions, 180 deletions

diff --git a/pseudoload.lua b/pseudoload.lua
deleted file mode 100644
index 8511811..0000000
--- a/pseudoload.lua
+++ /dev/null
@@ -1,180 +0,0 @@
-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.
-
-advtrains.trackdb={}
---trackdb[tt][y][x][z]={conn1, conn2, rely1, rely2, railheight}
---serialization format:
---(2byte x)(2byte y)(2byte z)(4bits conn1, 4bits conn2)[(plain rely1)|(plain rely2)|(plain railheight)]\n
---[] may be missing if 0,0,0
-
---load initially
-
---[[ TODO temporary outcomment
-
---delayed since all traintypes need to be registered
-minetest.after(0, function()
-
-for tt, _ in pairs(advtrains.all_traintypes) do
-	local pl_fpath=minetest.get_worldpath().."/advtrains_trackdb_"..tt
-	advtrains.trackdb[tt]={}
-	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)
-	else
-		--custom format to save memory
-		while true do
-			local xbytes=file:read(2)
-			if not xbytes or #xbytes<2 then
-				break --eof reached
-			end
-			print(xbytes)
-			local ybytes=file:read(2)
-			local zbytes=file:read(2)
-			local x=(string.byte(xbytes[1])-128)*256+(string.byte(xbytes[2]))
-			local y=(string.byte(ybytes[1])-128)*256+(string.byte(ybytes[2]))
-			local z=(string.byte(zbytes[1])-128)*256+(string.byte(zbytes[2]))
-			
-			local conn1=string.byte(file:read(1))
-			local conn1=string.byte(file:read(1))
-			
-			if not advtrains.trackdb[tt][y] then advtrains.trackdb[tt][y]={} end
-			if not advtrains.trackdb[tt][y][x] then advtrains.trackdb[tt][y][x]={} end
-			
-			local rest=file.read("*l")
-			if rest~="" then
-				local rely1, rely2, railheight=string.match(rest, "([^|]+)|([^|]+)|([^|]+)")
-				if rely1 and rely2 and railheight then
-					advtrains.trackdb[tt][y][x][z]={
-						conn1=conn1, conn2=conn2,
-						rely1=rely1, rely2=rely2,
-						railheight=railheight
-					}
-				else
-					advtrains.trackdb[tt][y][x][z]={
-						conn1=conn1, conn2=conn2
-					}
-				end
-			else
-				advtrains.trackdb[tt][y][x][z]={
-					conn1=conn1, conn2=conn2
-				}
-			end
-		end
-		file:close()
-	end
-end
-
---end minetest.after
-end)
-
-function advtrains.save_trackdb()
-	for tt, _ in pairs(advtrains.all_traintypes) do
-		local pl_fpath=minetest.get_worldpath().."/advtrains_trackdb_"..tt
-		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)
-		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))
-						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)))
-						file:write(string.char(rail.conn1))
-						file:write(string.char(rail.conn2))
-						if (rail.rely1 and rail.rely1~=0) or (rail.rely2 and rail.rely2~=0) or (rail.railheight and rail.railheight~=0) then
-							file:write(rail.rely1.."|"..rail.rely2.."|"..rail.railheight)
-						end
-						file:write("\n")
-					end
-				end
-			end
-			file:close()
-		end
-	end
-end
-]]--end temp outcomment
-advtrains.trackdb={}
-advtrains.fpath_tdb=minetest.get_worldpath().."/advtrains_trackdb"
-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)
-else
-	local tbl = minetest.deserialize(file:read("*a"))
-	if type(tbl) == "table" then
-		advtrains.trackdb=tbl
-	end
-	file:close()
-end
-function advtrains.save_trackdb()
-	local datastr = minetest.serialize(advtrains.trackdb)
-	if not datastr then
-		minetest.log("error", "[advtrains] Failed to serialize trackdb data!")
-		return
-	end
-	local file, err = io.open(advtrains.fpath_tdb, "w")
-	if err then
-		return err
-	end
-	file:write(datastr)
-	file:close()
-end
-
---get_node with pseudoload.
---returns:
---true, conn1, conn2, rely1, rely2, railheight   in case everything's right.
---false  if it's not a rail or the train does not drive on this rail, but it is loaded or
---nil    if the node is neither loaded nor in trackdb
---the distraction between false and nil will be needed only in special cases.(train initpos)
-function advtrains.get_rail_info_at(pos, traintype)
-	local node=minetest.get_node_or_nil(pos)
-	if not node then
-		--try raildb
-		local rdp=vector.round(pos)
-		local dbe=(advtrains.trackdb[traintype] and advtrains.trackdb[traintype][rdp.y] and advtrains.trackdb[traintype][rdp.y][rdp.x] and advtrains.trackdb[traintype][rdp.y][rdp.x][rdp.z])
-		if dbe then
-			return true, dbe.conn1, dbe.conn2, dbe.rely1 or 0, dbe.rely2 or 0, dbe.railheight or 0
-		else
-			return nil
-		end
-	end
-	local nodename=node.name
-	if(not advtrains.is_track_and_drives_on(nodename, advtrains.all_traintypes[traintype].drives_on)) then
-		return false
-	end
-	local conn1, conn2, rely1, rely2, railheight=advtrains.get_track_connections(node.name, node.param2)
-	
-	--already in trackdb?
-	local rdp=vector.round(pos)
-	if not (advtrains.trackdb[traintype] and advtrains.trackdb[traintype][rdp.y] and advtrains.trackdb[traintype][rdp.y][rdp.x] and advtrains.trackdb[traintype][rdp.y][rdp.x][rdp.z]) then--TODO is this necessary?
-		if not advtrains.trackdb[traintype] then advtrains.trackdb[traintype]={} end
-		if not advtrains.trackdb[traintype][rdp.y] then advtrains.trackdb[traintype][rdp.y]={} end
-		if not advtrains.trackdb[traintype][rdp.y][rdp.x] then advtrains.trackdb[traintype][rdp.y][rdp.x]={} end
-		advtrains.trackdb[traintype][rdp.y][rdp.x][rdp.z]={
-			conn1=conn1, conn2=conn2,
-			rely1=rely1, rely2=rely2,
-			railheight=railheight
-		}
-	end
-	
-	return true, conn1, conn2, rely1, rely2, railheight
-end
-function advtrains.reset_trackdb_position(pos)
-	local rdp=vector.round(pos)
-	for tt, _ in pairs(advtrains.all_traintypes) do
-		if not advtrains.trackdb[tt] then advtrains.trackdb[tt]={} end
-		if not advtrains.trackdb[tt][rdp.y] then advtrains.trackdb[tt][rdp.y]={} end
-		if not advtrains.trackdb[tt][rdp.y][rdp.x] then advtrains.trackdb[tt][rdp.y][rdp.x]={} end
-		advtrains.trackdb[tt][rdp.y][rdp.x][rdp.z]=nil
-		advtrains.get_rail_info_at(pos, tt)--to restore it.
-	end
-end
-	
-