index : fireworkz.git	master
	Fireworks mod for minetest	gpcf

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path: root/textures

	Commit message (Expand)	Author	Age
*	Changes to textures and crafting recipes; code cleanup	ywang	2020-12-27
*	Overhaul textures and handling	Gabriel Pérez-Cerezo	2020-12-27
*	fixes	runs	2020-05-11
*	fixes	runs	2020-05-09
*	first commit	runs	2020-05-08

generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 23:19:54 +0000

--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.train_set_command(train, command, arrow)
	atc.train_reset_command(train, true)
	train.atc_delay = 0
	train.atc_arrow = arrow
	train.atc_command = command
end

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.get_train_at_pos(pos)
		if train_id then
			if advtrains.trains[train_id] then
				--atprint("send_command inside if: "..sid(train_id))
				if atc.controllers[pts].arrowconn then
					atlog("ATC controller at",pts,": This controller had an arrowconn of", atc.controllers[pts].arrowconn, "set. Since this field is now deprecated, it was removed.")
					atc.controllers[pts].arrowconn = nil
				end
				
				local train = advtrains.trains[train_id]
				local index = advtrains.path_lookup(train, pos)
				
				local iconnid = 1
				if index then
					iconnid = train.path_cn[index]
				else
					atwarn("ATC rail at", pos, ": Rail not on train's path! Can't determine arrow direction. Assuming +!")
				end
				
				atc.train_set_command(train, atc.controllers[pts].command, iconnid==1)
				atprint("Sending ATC Command to", train_id, ":", atc.controllers[pts].command, "iconnid=",iconnid)
				return true
				
			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

-- Resets any ATC commands the train is currently executing, including the target speed (tarvelocity) it is instructed to hold
-- if keep_tarvel is set, does not clear the tarvelocity
function atc.train_reset_command(train, keep_tarvel)
	train.atc_command=nil
	train.atc_delay=nil
	train.atc_brake_target=nil
	train.atc_wait_finish=nil
	train.atc_arrow=nil
	if not keep_tarvel then
		train.tarvelocity=nil
	end
end

--nodes
local idxtrans={static=1, mesecon=2, digiline=3}
local apn_func=function(pos)
	-- FIX for long-persisting ndb bug: there's no node in parameter 2 of this function!
	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.atc_function = 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