/assets/blender/gleis/

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-- tsr_rail.lua
-- Point speed restriction rails
-- Simple rail whose only purpose is to place a TSR on the position, as a temporary solution until the timetable system covers everything.
-- This code resembles the code in lines/stoprail.lua

local function updateform(pos)
	local meta = minetest.get_meta(pos)
	local pe = advtrains.encode_pos(pos)
	local npr = advtrains.interlocking.npr_rails[pe] or 2
	
	meta:set_string("infotext", "Point speed restriction: "..npr)
	meta:set_string("formspec", "field[npr;Set point speed restriction:;"..npr.."]")
end


local adefunc = function(def, preset, suffix, rotation)
		return {
			after_place_node=function(pos)
				updateform(pos)
			end,
			after_dig_node=function(pos)
				local pe = advtrains.encode_pos(pos)
				advtrains.interlocking.npr_rails[pe] = nil
			end,
			on_receive_fields = function(pos, formname, fields, player)
				local pname = player:get_player_name()
				if not minetest.check_player_privs(pname, {interlocking=true}) then
					minetest.chat_send_player(pname, "Interlocking privilege required!")
					return
				end
				if minetest.is_protected(pos, pname) then