125 lines
3.5 KiB
Lua
125 lines
3.5 KiB
Lua
-- atc_rail.lua
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-- registers and handles the ATC rail. Active component.
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-- This is the only component that can interface with trains, so train interface goes here too.
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--Using subtable
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local r={}
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function r.fire_event(pos, evtdata)
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local ph=minetest.pos_to_string(pos)
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local railtbl = atlatc.active.nodes[ph]
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if not railtbl then
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atwarn("LuaAutomation ATC interface rail at",ph,": Data not in memory! Please visit position and click 'Save'!")
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return
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end
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local arrowconn = railtbl.arrowconn
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if not arrowconn then
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atwarn("LuaAutomation ATC interface rail at",ph,": Incomplete Data! Please visit position and click 'Save'!")
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return
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end
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--prepare ingame API for ATC. Regenerate each time since pos needs to be known
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--If no train, then return false.
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local train_id=advtrains.detector.on_node[ph]
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local train, atc_arrow, tvel
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if train_id then train=advtrains.trains[train_id] end
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if train then
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if not train.path then
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--we happened to get in between an invalidation step
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--delay
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atlatc.interrupt.add(0,pos,evtdata)
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return
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end
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for index, ppos in pairs(train.path) do
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if vector.equals(advtrains.round_vector_floor_y(ppos), pos) then
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atc_arrow =
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vector.equals(
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advtrains.dirCoordSet(pos, arrowconn),
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advtrains.round_vector_floor_y(train.path[index+train.movedir])
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)
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end
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end
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if atc_arrow==nil then
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atwarn("LuaAutomation ATC rail at", pos, ": Rail not on train's path! Can't determine arrow direction. Assuming +!")
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atc_arrow=true
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end
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tvel=train.velocity
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end
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local customfct={
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atc_send = function(cmd)
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if not train_id then return false end
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assertt(cmd, "string")
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advtrains.atc.train_reset_command(train_id)
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train.atc_command=cmd
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train.atc_arrow=atc_arrow
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return true
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end,
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atc_reset = function(cmd)
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if not train_id then return false end
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assertt(cmd, "string")
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advtrains.atc.train_reset_command(train_id)
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return true
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end,
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atc_arrow = atc_arrow,
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atc_id = train_id,
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atc_speed = tvel,
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atc_set_text_outside = function(text)
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if not train_id then return false end
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if text then assertt(text, "string") end
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advtrains.trains[train_id].text_outside=text
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return true
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end,
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atc_set_text_inside = function(text)
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if not train_id then return false end
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if text then assertt(text, "string") end
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advtrains.trains[train_id].text_inside=text
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return true
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end,
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}
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atlatc.active.run_in_env(pos, evtdata, customfct)
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end
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advtrains.register_tracks("default", {
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nodename_prefix="advtrains_luaautomation:dtrack",
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texture_prefix="advtrains_dtrack_atc",
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models_prefix="advtrains_dtrack",
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models_suffix=".b3d",
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shared_texture="advtrains_dtrack_shared_atc.png",
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description=atltrans("LuaAutomation ATC Rail"),
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formats={},
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get_additional_definiton = function(def, preset, suffix, rotation)
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return {
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after_place_node = atlatc.active.after_place_node,
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after_dig_node = atlatc.active.after_dig_node,
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on_receive_fields = function(pos, ...)
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atlatc.active.on_receive_fields(pos, ...)
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--set arrowconn (for ATC)
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local ph=minetest.pos_to_string(pos)
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local _, conn1=advtrains.get_rail_info_at(pos, advtrains.all_tracktypes)
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atlatc.active.nodes[ph].arrowconn=conn1
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end,
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advtrains = {
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on_train_enter = function(pos, train_id)
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--do async. Event is fired in train steps
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atlatc.interrupt.add(0, pos, {type="train", train=true, id=train_id})
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end,
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},
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luaautomation = {
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fire_event=r.fire_event
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}
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}
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end
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}, advtrains.trackpresets.t_30deg_straightonly)
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atlatc.rail = r
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