Added option to add trains to a pre-generated map.
This should save lots of cpu time by removing the higly cpu-intensive map generating steps. Benchmark: Generating map completely: 30.493s Adding trains: 0.157s This benchmark was obtained from the data of the Linuxworks server, which has about 500k nodes and about 600 trains.
This commit is contained in:
Gabriel Pérez-Cerezo
parent
61fbbc5909
commit
65f145afaf
132
main.lua
132
main.lua
@ -93,6 +93,32 @@ dofile("track_defs.lua")
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dofile("nodedb.lua")
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function parse_args(argv)
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local i = 1
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local no_trains = false
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local datapath, mappath
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while i <= #argv do
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local a = argv[i]
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if (a == "-m") or (a == "--map-file") then
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-- only draw trains – requires specifying an already drawn file
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i = i+1
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if not argv[i] then
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error(("missing filename after `%s'"):format(a))
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end
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mappath = argv[i]
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elseif (a == "-t") or (a == "--no-trains") then
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-- do not draw trains
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no_trains = true
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else
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datapath = a
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end
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i = i + 1
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end
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return datapath, mappath, no_trains
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end
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datapath, mappath, no_trains = parse_args(arg)
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-- Load saves
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local file, err = io.open(datapath.."advtrains", "r")
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local tbl = minetest.deserialize(file:read("*a"))
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@ -101,7 +127,9 @@ if type(tbl) ~= "table" then
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end
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if tbl.version then
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advtrains.trains = tbl.trains
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advtrains.ndb.load_data(tbl.ndb)
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if not mappath then
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advtrains.ndb.load_data(tbl.ndb)
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end
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else
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error("Incompatible save format!")
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@ -112,7 +140,13 @@ file:close()
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local svgfile = io.open(datapath.."out.svg", "w")
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svgfile:write([[
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if mappath then
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mapfile = io.open(mappath, "r")
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cont = mapfile:read("*a"):sub(1, -7) -- remove </svg> end tag
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svgfile:write(cont)
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else
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svgfile:write([[
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<?xml version="1.0" standalone="no" ?>
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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
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"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
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@ -120,13 +154,12 @@ svgfile:write([[
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xmlns:xlink="http://www.w3.org/1999/xlink" ]])
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svgfile:write('viewBox="'..(-maxc)..' '..(-maxc)..' '..(2*maxc)..' '..(2*maxc)..'" >')
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svgfile:write('viewBox="'..(-maxc)..' '..(-maxc)..' '..(2*maxc)..' '..(2*maxc)..'" >')
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svgfile:write([[
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svgfile:write([[
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<circle cx="0" cy="0" r="5" stroke="red" stroke-width="1" />
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]])
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end
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if wimg then
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local wimx = -(wimresx*wimscale/2)
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local wimy = -(wimresy*wimscale/2)
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@ -272,53 +305,70 @@ local function polyline_write(pl)
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end
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-- while there are entries in the nodedb
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-- 1. find a starting point
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if not mappath then
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local stpos, conns = advtrains.ndb.mapper_find_starting_point()
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while stpos do
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while stpos do
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writec("Restart at position "..pts(stpos))
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for connid, conn in ipairs(conns) do
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table.insert(bfs_rsp, {pos = stpos, connid = connid, conn = conn})
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writec("Restart at position "..pts(stpos))
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for connid, conn in ipairs(conns) do
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table.insert(bfs_rsp, {pos = stpos, connid = connid, conn = conn})
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end
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advtrains.ndb.clear(stpos)
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-- 2. while there are BFS entries
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while #bfs_rsp > 0 do
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-- make polylines
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local current_rsp = bfs_rsp[#bfs_rsp]
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bfs_rsp[#bfs_rsp] = nil
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--print("Starting polyline at "..pts(current_rsp.pos).."/"..current_rsp.connid)
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current_polyline = {}
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gen_rsp_polyline(current_rsp)
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polyline_write(current_polyline)
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io.write("Progress ", ndb_nodes_handled, "+", ndb_nodes_notrack, "/", ndb_nodes_total, "=", math.floor(((ndb_nodes_handled+ndb_nodes_notrack)/ndb_nodes_total)*100), "%\r")
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end
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stpos, conns = advtrains.ndb.mapper_find_starting_point()
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end
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advtrains.ndb.clear(stpos)
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-- 2. while there are BFS entries
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while #bfs_rsp > 0 do
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-- make polylines
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local current_rsp = bfs_rsp[#bfs_rsp]
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bfs_rsp[#bfs_rsp] = nil
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--print("Starting polyline at "..pts(current_rsp.pos).."/"..current_rsp.connid)
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current_polyline = {}
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gen_rsp_polyline(current_rsp)
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polyline_write(current_polyline)
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io.write("Progress ", ndb_nodes_handled, "+", ndb_nodes_notrack, "/", ndb_nodes_total, "=", math.floor(((ndb_nodes_handled+ndb_nodes_notrack)/ndb_nodes_total)*100), "%\r")
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end
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stpos, conns = advtrains.ndb.mapper_find_starting_point()
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end
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-- draw trains
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trains = 0
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for i,v in pairs(advtrains.trains) do
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pos = v.last_pos
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color = "green"
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if v.velocity == 0 then
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color = "orange"
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stopped = 0
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lines = {}
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running = {}
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if not no_trains then
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for i,v in pairs(advtrains.trains) do
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pos = v.last_pos
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color = "green"
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if v.velocity == 0 then
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color = "orange"
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stopped = stopped + 1
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end
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svgfile:write("<circle cx=\""..pos.x.."\" cy=\""..-pos.z.."\" r=\"3\" stroke=\""..color.."\" stroke-width=\"1\" fill=\"none\" />")
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if v.line then
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lines[v.line] = (lines[v.line] or 0) + 1
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if v.velocity ~= 0 then
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running[v.line] = (running[v.line] or 0) + 1
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end
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svgfile:write(" <text x=\""..(pos.x+5).."\" y=\""..-pos.z.."\" class=\"trainline\">"..v.line.."</text>")
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end
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trains = trains+1
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end
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svgfile:write("<circle cx=\""..pos.x.."\" cy=\""..-pos.z.."\" r=\"3\" stroke=\""..color.."\" stroke-width=\"1\" fill=\"none\" />")
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if v.line then
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svgfile:write(" <text x=\""..(pos.x+5).."\" y=\""..-pos.z.."\" class=\"trainline\">"..v.line.."</text>")
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end
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trains = trains+1
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end
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svgfile:write("</svg>")
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svgfile:close()
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print("\nWrote",plcnt,"polylines. Processed", ndb_nodes_handled, "track,",ndb_nodes_notrack, "non-track nodes out of", ndb_nodes_total)
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print("Drew "..trains.." trains")
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print("Drew "..trains.." trains. "..stopped.." stopped trains.")
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print("\n Number of trains moving/total:")
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for i,v in pairs(lines) do
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print(i..": "..(running[i] or 0).."/"..v)
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end
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