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generated by cgit v1.2.3 (git 2.25.1) at 2024-09-22 04:47:13 +0000
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-- stoprail.lua
-- adds "stop rail". Recognized by lzb. (part of behavior is implemented there)


local function to_int(n)
	--- Disallow floating-point numbers
	local k = tonumber(n)
	if k then
		return math.floor(k)
	end
end

local function updatemeta(pos)
	local meta = minetest.get_meta(pos)
	local pe = advtrains.encode_pos(pos)
	local stdata = advtrains.lines.stops[pe]
	if not stdata then
		meta:set_string("infotext", "Error")
	end
	
	meta:set_string("infotext", "Stn. "..stdata.stn.." T. "..stdata.track)
end

local door_dropdown = {L=1, R=2, C=3}
local door_dropdown_rev = {Right="R", Left="L", Closed="C"}

local function show_stoprailform(pos, player)
	local pe = advtrains.encode_pos(pos)
	local pname = player:get_player_name()
	if minetest.is_protected(pos, pname) then
		minetest.chat_send_player(pname, "Position is protected!")
		return
	end
	
	local stdata = advtrains.lines.stops[pe]
	if not stdata then
		advtrains.lines.stops[pe] = {
					stn="", track="", doors="R", wait=10, ars={default=true}, ddelay=1,speed="M"
				}
		stdata = advtrains.lines.stops[pe]
	end
	
	local stn = advtrains.lines.stations[stdata.stn]
	local stnname = stn and stn.name or ""
	if not stdata.ddelay then
		stdata.ddelay = 1
	end
	if not stdata.speed then
		stdata.speed = "M"
	end
	
	local form = "size[8,7]"
	form = form.."style[stn,ars;font=mono]"
	form = form.."field[0.8,0.8;2,1;stn;"..attrans("Station Code")..";"..minetest.formspec_escape(stdata.stn).."]"
	form = form.."field[2.8,0.8;5,1;stnname;"..attrans("Station Name")..";"..minetest.formspec_escape(stnname).."]"
	form = form.."field[0.80,2.0;1.75,1;ddelay;"..attrans("Door Delay")..";"..minetest.formspec_escape(stdata.ddelay).."]"
	form = form.."field[2.55,2.0;1.75,1;speed;"..attrans("Dep. Speed")..";"..minetest.formspec_escape(stdata.speed).."]"
	form = form.."field[4.30,2.0;1.75,1;track;"..attrans("Track")..";"..minetest.formspec_escape(stdata.track).."]"
	form = form.."field[6.05,2.0;1.75,1;wait;"..attrans("Stop Time")..";"..stdata.wait.."]"
	form = form.."label[0.5,2.6;"..attrans("Door Side").."]"
	form = form.."dropdown[0.51,3.0;2;doors;Left,Right,Closed;"..door_dropdown[stdata.doors].."]"
	form = form.."checkbox[3.00,2.7;reverse;"..attrans("Reverse train")..";"..(stdata.reverse and "true" or "false").."]"
	form = form.."checkbox[3.00,3.1;kick;"..attrans("Kick out passengers")..";"..(stdata.kick and "true" or "false").."]"
	form = form.."textarea[0.8,4.2;7,2;ars;Trains stopping here (ARS rules);"..advtrains.interlocking.ars_to_text(stdata.ars).."]"
	form = form.."button[0.5,6;7,1;save;"..attrans("Save").."]"
	
	minetest.show_formspec(pname, "at_lines_stop_"..pe, form)
end
local tmp_checkboxes = {}
minetest.register_on_player_receive_fields(function(player, formname, fields)
	local pname = player:get_player_name()
	local pe = string.match(formname, "^at_lines_stop_(............)$")
	local pos = advtrains.decode_pos(pe)
	if pos then
		if minetest.is_protected(pos, pname) then
			minetest.chat_send_player(pname, "Position is protected!")
			return
		end
		
		local stdata = advtrains.lines.stops[pe]
		if not tmp_checkboxes[pe] then
			tmp_checkboxes[pe] = {}
		end
		if fields.kick then			-- handle checkboxes due to MT's weird handling
			tmp_checkboxes[pe].kick = (fields.kick == "true")
		end
		if fields.reverse then
			tmp_checkboxes[pe].reverse = (fields.reverse == "true")
		end
		if fields.save then
			if fields.stn and stdata.stn ~= fields.stn and fields.stn ~= "" then
				local stn = advtrains.lines.stations[fields.stn]
				if stn then
					if (stn.owner == pname or minetest.check_player_privs(pname, "train_admin")) then
						stdata.stn = fields.stn
					else
						minetest.chat_send_player(pname, "Station code '"..fields.stn.."' does already exist and is owned by "..stn.owner)
						show_stoprailform(pos,player)
						return
					end
				else
					advtrains.lines.stations[fields.stn] = {name = fields.stnname, owner = pname}
					stdata.stn = fields.stn
				end
			end
			local stn = advtrains.lines.stations[stdata.stn]
			if stn and fields.stnname and fields.stnname ~= stn.name then
				if (stn.owner == pname or minetest.check_player_privs(pname, "train_admin")) then
					stn.name = fields.stnname
				else
					minetest.chat_send_player(pname, "Not allowed to edit station name, owned by "..stn.owner)
				end
			end
			
			-- dropdowns
			if fields.doors then
				stdata.doors = door_dropdown_rev[fields.doors] or "C"
			end
			
			if fields.track then
				stdata.track = fields.track
			end
			if fields.wait then
				stdata.wait = to_int(fields.wait) or 10
			end
			
			if fields.ars then
				stdata.ars = advtrains.interlocking.text_to_ars(fields.ars)
			end

			if fields.ddelay then
				stdata.ddelay = to_int(fields.ddelay) or 1
			end
			if fields.speed then
				stdata.speed = to_int(fields.speed) or "M"
			end

			for k,v in pairs(tmp_checkboxes[pe]) do --handle checkboxes
				stdata[k] = v or nil
			end
			tmp_checkboxes[pe] = nil
			--TODO: signal
			updatemeta(pos)
			show_stoprailform(pos, player)
		end
	end			
	
end)


local adefunc = function(def, preset, suffix, rotation)
		return {
			after_place_node=function(pos)
				local pe = advtrains.encode_pos(pos)
				advtrains.lines.stops[pe] = {