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-rw-r--r--advtrains/advtrains/atc.lua312
1 files changed, 0 insertions, 312 deletions
diff --git a/advtrains/advtrains/atc.lua b/advtrains/advtrains/atc.lua
deleted file mode 100644
index 5f1f64d..0000000
--- a/advtrains/advtrains/atc.lua
+++ /dev/null
@@ -1,312 +0,0 @@
---atc.lua
---registers and controls the ATC system
-
-local atc={}
--- ATC persistence table. advtrains.atc is created by init.lua when it loads the save file.
-atc.controllers = {}
-function atc.load_data(data)
- local temp = data and data.controllers or {}
- --transcode atc controller data to node hashes: table access times for numbers are far less than for strings
- for pts, data in pairs(temp) do
- if type(pts)=="number" then
- pts=minetest.pos_to_string(minetest.get_position_from_hash(pts))
- end
- atc.controllers[pts] = data
- end
-end
-function atc.save_data()
- return {controllers = atc.controllers}
-end
---contents: {command="...", arrowconn=0-15 where arrow points}
-
---general
-
-function atc.send_command(pos, par_tid)
- local pts=minetest.pos_to_string(pos)
- if atc.controllers[pts] then
- --atprint("Called send_command at "..pts)
- local train_id = par_tid or advtrains.detector.on_node[pts]
- if train_id then
- if advtrains.trains[train_id] then
- --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]
- for index, ppos in pairs(train.path) do
- if vector.equals(advtrains.round_vector_floor_y(ppos), pos) then
- advtrains.trains[train_id].atc_arrow =
- vector.equals(
- advtrains.dirCoordSet(pos, arrowconn),
- advtrains.round_vector_floor_y(train.path[index+train.movedir])
- )
- advtrains.trains[train_id].atc_command=atc.controllers[pts].command
- atprint("Sending ATC Command: ", atc.controllers[pts].command)
- return true
- end
- end
- atwarn("ATC rail at", pos, ": Rail not on train's path! Can't determine arrow direction. Assuming +!")
- advtrains.trains[train_id].atc_arrow=true
- advtrains.trains[train_id].atc_command=atc.controllers[pts].command
- atprint("Sending ATC Command: ", atc.controllers[pts].command)
- else
- atwarn("ATC rail at", pos, ": Sending command failed: The train",train_id,"does not exist. This seems to be a bug.")
- end
- else
- atwarn("ATC rail at", pos, ": Sending command failed: There's no train at this position. This seems to be a bug.")
- end
- else
- atwarn("ATC rail at", pos, ": Sending command failed: Entry for controller not found.")
- atwarn("ATC rail at", pos, ": Please visit controller and click 'Save'")
- end
- return false
-end
-
-function atc.train_reset_command(train_id)
- advtrains.trains[train_id].atc_command=nil
- advtrains.trains[train_id].atc_delay=0
- advtrains.trains[train_id].atc_brake_target=nil
- advtrains.trains[train_id].atc_wait_finish=nil
- advtrains.trains[train_id].atc_arrow=nil
-end
-
---nodes
-local idxtrans={static=1, mesecon=2, digiline=3}
-local apn_func=function(pos, node)
- advtrains.ndb.update(pos, node)
- local meta=minetest.get_meta(pos)
- if meta then
- meta:set_string("infotext", attrans("ATC controller, unconfigured."))
- meta:set_string("formspec", atc.get_atc_controller_formspec(pos, meta))
- end
-end
-
-advtrains.register_tracks("default", {
- nodename_prefix="advtrains:dtrack_atc",
- texture_prefix="advtrains_dtrack_atc",
- models_prefix="advtrains_dtrack",
- models_suffix=".b3d",
- shared_texture="advtrains_dtrack_shared_atc.png",
- description=attrans("ATC controller"),
- formats={},
- get_additional_definiton = function(def, preset, suffix, rotation)
- return {
- after_place_node=apn_func,
- after_dig_node=function(pos)
- return advtrains.pcall(function()
- advtrains.invalidate_all_paths(pos)
- advtrains.ndb.clear(pos)
- local pts=minetest.pos_to_string(pos)
- atc.controllers[pts]=nil
- end)
- end,
- on_receive_fields = function(pos, formname, fields, player)
- return advtrains.pcall(function()
- if advtrains.is_protected(pos, player:get_player_name()) then
- minetest.record_protection_violation(pos, player:get_player_name())
- return
- end
- local meta=minetest.get_meta(pos)
- if meta then
- if not fields.save then
- --maybe only the dropdown changed
- if fields.mode then
- meta:set_string("mode", idxtrans[fields.mode])
- if fields.mode=="digiline" then
- meta:set_string("infotext", attrans("ATC controller, mode @1\nChannel: @2", fields.mode, meta:get_string("command")) )
- else
- meta:set_string("infotext", attrans("ATC controller, mode @1\nCommand: @2", fields.mode, meta:get_string("command")) )
- end
- meta:set_string("formspec", atc.get_atc_controller_formspec(pos, meta))
- end
- return
- end
- meta:set_string("mode", idxtrans[fields.mode])
- meta:set_string("command", fields.command)
- meta:set_string("command_on", fields.command_on)
- meta:set_string("channel", fields.channel)
- if fields.mode=="digiline" then
- meta:set_string("infotext", attrans("ATC controller, mode @1\nChannel: @2", fields.mode, meta:get_string("command")) )
- else
- meta:set_string("infotext", attrans("ATC controller, mode @1\nCommand: @2", fields.mode, meta:get_string("command")) )
- end
- meta:set_string("formspec", atc.get_atc_controller_formspec(pos, meta))
-
- local pts=minetest.pos_to_string(pos)
- local _, conn1=advtrains.get_rail_info_at(pos, advtrains.all_tracktypes)
- atc.controllers[pts]={command=fields.command, arrowconn=conn1}
- if advtrains.detector.on_node[pts] then
- atc.send_command(pos)
- end
- end
- end)
- end,
- advtrains = {
- on_train_enter = function(pos, train_id)
- atc.send_command(pos)
- end,
- },
- }
- end
-}, advtrains.trackpresets.t_30deg_straightonly)
-
-
-function atc.get_atc_controller_formspec(pos, meta)
- local mode=tonumber(meta:get_string("mode")) or 1
- local command=meta:get_string("command")
- local command_on=meta:get_string("command_on")
- local channel=meta:get_string("channel")
- local formspec="size[8,6]"..
- "dropdown[0,0;3;mode;static,mesecon,digiline;"..mode.."]"
- if mode<3 then
- formspec=formspec.."field[0.5,1.5;7,1;command;"..attrans("Command")..";"..minetest.formspec_escape(command).."]"
- if tonumber(mode)==2 then
- formspec=formspec.."field[0.5,3;7,1;command_on;"..attrans("Command (on)")..";"..minetest.formspec_escape(command_on).."]"
- end
- else
- formspec=formspec.."field[0.5,1.5;7,1;channel;"..attrans("Digiline channel")..";"..minetest.formspec_escape(channel).."]"
- end
- return formspec.."button_exit[0.5,4.5;7,1;save;"..attrans("Save").."]"
-end
-
---from trainlogic.lua train step
-local matchptn={
- ["SM"]=function(id, train)
- train.tarvelocity=train.max_speed
- return 2
- end,
- ["S([0-9]+)"]=function(id, train, match)
- train.tarvelocity=tonumber(match)
- return #match+1
- end,
- ["B([0-9]+)"]=function(id, train, match)
- if train.velocity>tonumber(match) then
- train.atc_brake_target=tonumber(match)
- if train.tarvelocity>train.atc_brake_target then
- train.tarvelocity=train.atc_brake_target
- end
- end
- return #match+1
- end,
- ["W"]=function(id, train)
- train.atc_wait_finish=true
- return 1
- end,
- ["D([0-9]+)"]=function(id, train, match)
- train.atc_delay=tonumber(match)
- return #match+1
- end,
- ["R"]=function(id, train)
- if train.velocity<=0 then
- train.movedir=train.movedir*-1
- train.atc_arrow = not train.atc_arrow
- else
- atwarn(sid(id), attrans("ATC Reverse command warning: didn't reverse train, train moving!"))
- end
- return 1
- end,
- ["O([LRC])"]=function(id, train, match)
- local tt={L=-1, R=1, C=0}
- local arr=train.atc_arrow and 1 or -1
- train.door_open = tt[match]*arr*train.movedir
- return 2
- end,
-}
-
-function atc.execute_atc_command(id, train)
- --strip whitespaces
- local command=string.match(train.atc_command, "^%s*(.*)$")
-
-
- if string.match(command, "^%s*$") then
- train.atc_command=nil
- return
- end
- --conditional statement?
- local is_cond, cond_applies, compare
- local cond, rest=string.match(command, "^I([%+%-])(.+)$")
- if cond then
- is_cond=true
- if cond=="+" then
- cond_applies=train.atc_arrow
- end
- if cond=="-" then
- cond_applies=not train.atc_arrow
- end
- else
- cond, compare, rest=string.match(command, "^I([<>]=?)([0-9]+)(.+)$")
- if cond and compare then
- is_cond=true
- if cond=="<" then
- cond_applies=train.velocity<tonumber(compare)
- end
- if cond==">" then
- cond_applies=train.velocity>tonumber(compare)
- end
- if cond=="<=" then
- cond_applies=train.velocity<=tonumber(compare)
- end
- if cond==">=" then
- cond_applies=train.velocity>=tonumber(compare)
- end
- end
- end
- if is_cond then
- 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
- atwarn(sid(id), attrans("ATC command syntax error: I statement not closed: @1",command))
- atc.train_reset_command(id)
- return
- end
- local char=string.sub(rest, pos, pos)
- if char=="I" then
- nest=nest+1
- end
- if char==";" then
- nest=nest-1
- end
- if nest==0 and char=="E" then
- elsepos=pos+0
- end
- pos=pos+1
- end
- if not elsepos then elsepos=pos-1 end
- if cond_applies then
- command=string.sub(rest, 1, elsepos-1)..string.sub(rest, pos)
- else
- command=string.sub(rest, elsepos+1, pos-2)..string.sub(rest, pos)
- end
- atprint("Result: "..command)
- train.atc_command=command
- atc.execute_atc_command(id, train)
- return
- else
- for pattern, func in pairs(matchptn) do
- local match=string.match(command, "^"..pattern)
- if match then
- local patlen=func(id, train, match)
-
- 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
- --continue (recursive, cmds shouldn't get too long, and it's a end-recursion.)
- atc.execute_atc_command(id, train)
- end
- return
- end
- end
- end
- atwarn(sid(id), attrans("ATC command parse error: Unknown command: @1", command))
- atc.train_reset_command(id)
-end
-
-
-
---move table to desired place
-advtrains.atc=atc