/*
 *  class basis_chapter
 *
 *
 *  Can NOT be used in network game !
 */

//Global coordinate for mark build tile
currt_pos <- null

//----------------Para las señales de paso------------------------
persistent.sigcoord <- null
sigcoord  <- null
//-----------------------------------------------------------------

//Para la gestion de vias
// Results for fullway, c = coord3d, p = plus, r = result, m = marked, l = look, s = slope, z = coor.z save
r_way <- { c = coord3d(0, 0, 0), p = 0, r = false, m = false, l = false, s = 0, z = null}
r_way_list <- {}
wayend <- coord3d(0, 0, 0)
//-------------------------------------------------------------------------------------------------------------

// Mark / Unmark build in to link
gl_buil_list <- {}

// Total de carga recibida
reached <- 0

class basic_chapter
{        // chapter description : this is a placeholder class

	chapter_name	= ""	// placeholder for chapter name
	chap_nr			= 1		// count the chapter number
	step			= 1		// count the step inside the chapter  1="step A"
	startcash		= 0		// pl=0 startcash; 0=no reset

	glpos = coord3d(0,0,0)
	gltool = null
	glresult = null
	tmpsw = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
    tmpcoor = []
	stop_flag = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
	st_cover = settings.get_station_coverage()

	glmark = coord3d(0,0,0) //coordenadas para realizar  unmark

	//Para las pendientes
	slope_estatus = [0,0,0,0,0,0]

	//--------------------way scan ------------------------------------
	cursor_sw = false
	bridge_sw = false
	sch_sw = false
	stop_sw = false
	bridge_count = 0
	//-----------------------------------------------------------------

	//Underground View
	under_lv = resul_version.st? settings.get_underground_view_level() : 127
	unde_view = -128
	norm_view = 127

	constructor(pl)
	 {
	 	scenario.short_description = scenario_name + " - " + translate(this.chapter_name)
		this.set_all_rules(pl)
		this.step = 1
	 }

	// FUNCTIONS TO REWRITE
	 function set_goal_text(text)
	 {
		     return text
	 }

	 function get_rule_text(pl,path)
	 {
		local text = ttextfile( path + "rule.txt" )
		     return text.tostring()
	 }


	 function is_chapter_completed(pl)
	 {
		local percentage = 0
		return percentage
	 }

	// BASIC FUNCTIONS, NO REWRITE

	//Para arrancar vehiculos usando comm  ----------------------------------------------------------------
	function comm_set_convoy(cov_nr, coord, name, veh_nr = false) 
    /*1 Numero de convoy actual,******
    * 2 coord del deposito, 	     *
    * 3 Name del vehiculo,		     *
    * 4 Numero de remolques/bagones)*/
	{
		local pl = player_x(0)
		local depot = depot_x(coord.x, coord.y, coord.z)  // Deposito /Garaje
		local cov_list = depot.get_convoy_list() // Lista de vehiculos en el deposito
		local d_nr = cov_list.len()   //Numero de vehiculos en el deposito
		if (d_nr>cov_nr && !veh_nr)
			return false
		local wt = depot.get_waytype()
		local veh_list = vehicle_desc_x.get_available_vehicles(wt)  //Lista de todos los vehiculos
		for(local j = 0;j<veh_list.len();j++){
			local veh_name = veh_list[j].get_name()
			//gui.add_message(""+veh_name+" --> "+name+"")
			if (veh_name == name) {
				if (veh_nr){
					if (!cov_list)
						return false
					try {
						depot.append_vehicle(pl, cov_list[cov_nr], veh_list[j])
					}
					catch(ev) {
						continue
					}
				}
				else {
					depot.append_vehicle(pl, convoy_x(gcov_id+1), veh_list[j])
					basic_convoys().checks_all_convoys()
				}
				if (depot.get_convoy_list().len()==0)	
					return false
				else
					return true
			}
		}
	}

	function comm_destroy_convoy(pl, coord){
		local depot = depot_x(coord.x, coord.y, coord.z)  // Deposito /Garaje
		local cov_list = depot.get_convoy_list() // Lista de vehiculos en el deposito
		local d_nr = cov_list.len()   //Numero de vehiculos en el deposito
		if ( d_nr == 0)
			return true
		for (local j = 0;j<d_nr;j++){
 			try {
				cov_list[j].destroy(pl)
			}
			catch(ev) {
				continue
			}
		}
		return true
	}


	function comm_start_convoy(player, cov, depot, all = false)
	{
		if(all) {
			depot.start_all_convoys(player)
		}
		else{
			depot.start_convoy(player, cov)
		}
		return null
	}

	function comm_get_line(player, wt, sched)
	{
		player.create_line(wt)
		// find the line - it is a line without schedule and convoys
		local list = player.get_line_list()
		local c_line = null
		foreach(line in list) {
			if (line.get_waytype() == wt  &&  line.get_schedule().entries.len()==0) {
				// right type, no schedule -> take this.
				c_line = line
				break
			}
		}
		//gui.add_message(""+sched.entries.len()+" "+sched.waytype)
		if(wt != sched.waytype) return gui.add_message("Err Waytype: "+wt +" :: "+ sched.waytype)
		c_line.change_schedule(player, sched)
		
		return c_line
	}

	//----------------------------------------------------------------------------------------------------------------

	//-------------------------

	function checks_convoy_nr(nr, max)
	{
		for(local j=0;j<max;j++){
			local result = true
			try {
				 cov_save[nr+j].get_pos() 
			}
			catch(ev) {
				result = false
			}
			if (result){
				if (cov_save[nr+j].is_in_depot()){
					return null
				}
			}
			else
				return null
		}
		return format(translate("The number max of vehicles in circulation must be [%d]."),max)
	}
	function get_convoy_nr(nr, max)
	{
		local cov_nr = 0
		for(local j = 1; j <= max; j++){
			local result = true
			try {
				 cov_save[nr+j].get_pos() 
			}
			catch(ev) {
				result = false
			}
			if (result){
				//gui.add_message(""+j+"::"+cov_save[nr+j].is_in_depot()+"")
				if (cov_save[nr+j].is_in_depot())
					continue
				else
					cov_nr++
			}
		}
		return cov_nr
	}

	function update_convoy_removed(convoy, pl)
	{
		cov_save[current_cov]=convoy
		id_save[current_cov]=convoy.id
		if(correct_cov){
			gcov_nr++
			persistent.gcov_nr = gcov_nr
		}
	}

	function cov_pax(c, wt, good){
		local halt = tile_x(c.x, c.y, c.z).get_halt()
        local cov_nr = 0
        if(halt) {
		    local cov_list = halt.get_convoy_list()
		    foreach(cov in cov_list) {
			    if (cov.get_waytype()!=wt)
				    continue
			    local cov_good = cov.get_goods_catg_index()
			    for(local j=0;j<cov_good.len();j++){
				    if(cov_good[j]==good)
					    cov_nr += cov.get_transported_goods()[0]
			    }
		    }
		    local lin_list = halt.get_line_list()
		    foreach(line in lin_list) {
			    local cov_lin = line.get_convoy_list()
			    foreach(cov in cov_lin) {
				    if (cov.get_waytype()!=wt)
					    continue

				    local cov_good = cov.get_goods_catg_index()		
				    for(local j=0;j<cov_good.len();j++){
					    if(cov_good[j]==good){
						    cov_nr += cov.get_transported_goods()[0]					
					    }
				    }
			    }
		    }
        }
		return cov_nr
	}


	function checks_convoy_schedule(convoy, pl)
	{
		local cov_test = true
		local result = 0
		try {
			 convoy.get_pos() // will fail if cnv is no longer existent
			 // do your checks
		}
		catch(ev) {
			cov_test = false

		}
		if (cov_test){
			if (convoy){
				local line = convoy.get_line()
				local schedule = convoy.get_schedule()
				if (line && line.is_valid()){
					schedule = line.get_schedule()
				}
				if(schedule && schedule.entries.len() > 1){
					sch_sw = true
					result = is_schedule_allowed(pl, schedule)
				}
			}
		}
		return {res = result, cov = cov_test}
	}

	function get_city_name(coord)
	{
		return city_x(coord.x, coord.y).get_name()
	}

	function next_step()
	{
		scr_jump = false
		this.step++
		persistent.step = this.step
		persistent.status.step = this.step
		fail_count = 1 //reinicia el contador de fallos en uso de herramientas

		//------------------------------------------------------ Test
		reset_pot() //reset all pot test
		reset_tmpsw()
		reset_glsw()
		rules.clear()
		rules.gui_needs_update
		set_all_rules(0)
		//-------------------------------------------------------

		// make here screen refresh
		return null		// null is equivalent to 'allowed'
	}

	function backward_step()
	{
		this.step--
		persistent.step = this.step

		//------------------------------------------------------ Test
		reset_pot() //reset all pot test
		reset_tmpsw()
		reset_glsw()
		rules.clear()
		rules.gui_needs_update
		set_all_rules(0)
		//-------------------------------------------------------

		// make here screen refresh
		return null		// null is equivalent to 'allowed'
	}

	function step_nr(nr)
	{
		this.step=nr
		persistent.step = this.step

		//------------------------------------------------------ Test
		reset_pot() //reset all pot test
		reset_tmpsw()
		reset_glsw()
		rules.clear()
		rules.gui_needs_update
		set_all_rules(0)
		//-------------------------------------------------------

		// make here screen refresh
		return null		// null is equivalent to 'allowed'
	}


	function my_step(i)
	{
		return "step_" + ( i < 10 ? "0":"" ) + i
	}

	function ttxst(i)
	{
		return "txtst_" + ( i < 10 ? "0":"" ) + i
	}


	function tx_script()
	{
		return "scr"
	}


	function has_way(waytyp,cube)		// cube height is only used from "nw.z" value
	{
		local res = true
		for (local x = cube.nw.x; x <= cube.se.x; x++)
			for (local y = cube.nw.y; y <= cube.se.y; y++)
			 	if ( square_x(x,y).get_tile_at_height(cube.nw.z).has_way(waytyp) == false )
					res = false
		return res
	}


	function is_inside_cube(pos,nw,se)	// two positions coord3d for a cube se.z is lower nw.z
	{
		if ( pos.x < nw.x || pos.y < nw.y || pos.x > se.x || pos.y > se.y ||
		     pos.z > nw.z || pos.z < se.z )
			return false
		else	return true
	}


	function give_ttext(text,coord)		// coord=coord3d or cube={ne,se}  ttext with {pos} or {cube}
	{
        local result = ttext(text)
		local modus = true
		try { coord.x } catch(coord) { modus = false }
		if (modus)
			result.pos  = pos_to_text(coord)
		else	result.cube = cube_to_text(coord)
		return result.tostring()
	}


	function give_title()
	{
		return "<br><em>"+translate("Chapter")+" "+this.chap_nr+"</em> - "+translate(this.chapter_name)+"<br><br>"
	}


	function get_goal_text(pl,path)
	{
		local text = ttextfile( path + "goal.txt" )
		local text_step = ttextfile( path + "goal_" + this.my_step(this.step) + ".txt" )
		for (local i = 0; i <= 15; i++){
			text[this.my_step(i)] = ""
			text[this.ttxst(i)] = "<em>"
		}
		text_step = this.set_goal_text(text_step)
		text[my_step(this.step)] = text_step.tostring()
		text[ttxst(this.step)] = "<st>"
		if (correct_cov)
			text["scr"] = "<em>--></em> <a href='script:script_text()'>"+ translate("Go to next step")+"  >></a>"
		else
			text["scr"] = "--> <st>"+ translate("Advance not allowed")+"</st>"
		return text.tostring()
	}

	function cube_to_text(cube)
	{
		return "("+cube.nw.x+","+cube.nw.y+","+cube.nw.z+" - "+cube.se.x+","+cube.se.y+","+cube.se.z+")"
    }

	function pos_to_text(pos)
	{
		local cd = coord(pos.x,pos.y)
		return "("+cd.tostring()+")"
    }


	function my_tile(coord)
	{
		return square_x(coord.x,coord.y).get_ground_tile()
		//return square_x(coord.x,coord.y).get_tile_at_height(coord.z)
	}

	function is_waystop_correct(player,schedule,nr,load,wait,coord, line = false)
	{
		local result = 0
		// coord = x,y,z place to compare the waystop
		// nr = number of schedule.entrie to compare
		local nr2 = schedule.entries.len()-1
		local nr_st = nr
		if (nr2<nr){
			nr = nr2
		}

		local entrie

		try {
			 entrie = schedule.entries[nr]
		}
		catch(ev) {
			if(!line)
				reset_tmpsw()   //reinicia las paradas seleccionadas
			return translate("The schedule list must not be empty.")
		}
		if(schedule.entries.len()<=1) {
			if(!line)
				reset_tmpsw()   //reinicia las paradas seleccionadas
			return translate("The schedule list must not be empty.")
		}
		local halt   = entrie.get_halt( player_x(player) )
		local targ_t = this.my_tile(coord)

		local target = square_x(coord.x,coord.y).get_halt()
		if(!target)
			return gui.add_message("Error aqui, not station here!. "+ coord)

		local target_list = square_x(coord.x,coord.y).get_halt_list()

		if (!halt) return translate("The schedule is not correct.")
		local t_list = halt.get_tile_list()
		local t2_list = targ_t.is_water() ? get_tiles_near_stations(t_list) : target.get_tile_list()
		local c_buld1 = targ_t.is_water() ? coord : t2_list[0].find_object(mo_building).get_pos()
		local c_buld2 = targ_t.is_water() ? coord : t_list[0].find_object(mo_building).get_pos()

		if(targ_t.is_water()){
			for(local i=0;i<t2_list.len();i++){
				if (targ_t.x==t2_list[i].x && targ_t.y==t2_list[i].y){
					result = null
				}
			}
		}
		else if((c_buld1.x == c_buld2.x) && (c_buld1.y == c_buld2.y)) {
			result = null
		}

		if (result!=null){
			local text = ttext("The waystop {nr} '{name}' isn't on place {pos}")
			text.name = target_list[0].get_name()
			text.pos = pos_to_text(coord)
			text.nr = (nr_st+1)
			result = text.tostring()
			return result
		}

		if (entrie.load != load) {
			local text = ttext("The load of waystop {nr} '{name}' isn't {load}% {pos}")
			text.name = target_list[0].get_name()
			text.pos = pos_to_text(coord)
			text.load = load
			text.nr = (nr+1)
			return text.tostring()
		}

		//gui.add_message(""+entrie.wait+" "+wait +" "+nr)
		if (abs(entrie.wait-wait)>7) {

			local text = ttext("The waittime in waystop {nr} '{name}' isn't {wait} {pos}")
			local txwait = get_wait_time_text(wait)
			text.name = target_list[0].get_name()
			text.pos = pos_to_text(coord)
			text.wait = txwait
			text.nr = (nr+1)
			return text.tostring()
		}
		return result
	}

	function get_wait_time_text(wait)
	{
		return ""+difftick_to_string(wait*(tick_wait))+""
	}

	function is_station_build(player,coord,good)
	{
		local halt   = this.my_tile(coord).get_halt()
		local result = null			// returns null if it is build
		if ( halt == null )
			result = this.give_ttext("You didn't build a station at {pos}",coord)
		else
		{
			if ( ! halt.accepts_good( good_desc_x(good) ) )
				result = this.give_ttext("The station at {pos} doesn't accept freight",coord)
			if (  !(halt.get_owner() <=> player_x(player)) )
				result = this.give_ttext("The station at {pos} isn't your station",coord)
		}
		return result
	}

	function is_convoy_correct(depot,cov,veh,good_list,name, max_tile, is_st_tile = false)
	{
		local cov_list = depot.get_convoy_list()
		local cov_nr = cov_list.len()
		//Check if there is a convoy
		//gui.add_message(""+cov+"")
		if (cov_nr==0){
			return "nop"
		}

		local veh_list = cov_list[cov_nr-1].get_vehicles()
		local veh_nr = veh_list.len()
		//To check the name of the locomotive
		local veh_name = veh_list[0].get_name()
		//gui.add_message(""+veh_name+"")
		if (veh_name!=name)
			return 0

		//Check the number of vehicles and station tile ----
		local cov_tile = cov_list[cov_nr-1].get_tile_length()
		if(is_st_tile){
			if(cov_tile<max_tile)
				return 6
			if(cov_tile>max_tile)
				return 5
		}
		else {
			if(veh_nr<veh){
				return 4
			}
			if(max_tile!=cov_tile)
				return 5
		}
		//---------------------------------------------------

		//Check the number of convoys ------------------------
		if (cov_nr<cov){
			//Check load type -----------------------------------
			local good = cov_list[cov_nr-1].get_goods_catg_index()
			local good_count=0	
			for(local j=0;j<good.len();j++){
				//gui.add_message("a = "+good[j]+", b = "+good_nr+"")
				for(local i=0;i<good_list.len();i++){
					if(good[j]==good_list[i])
						good_count++
				}
				//if(good[j]!=good_nr)
					//return 3
			}
			if(good_count != good_list.len() || good_count != good.len())
				return 3
			//----------------------------------------------------
			return 1
		}
		if (cov_nr>cov)
			return 2
		//----------------------------------------------------

		//Check load type -----------------------------------
		local good = cov_list[cov-1].get_goods_catg_index()	
		local good_count=0		
		for(local j=0;j<good.len();j++){
			for(local i=0;i<good_list.len();i++){
				//gui.add_message("a = "+good[j]+", b = "+good_list[i]+"")
				if(good[j]==good_list[i])
					good_count++
			}
			//if(good[j]!=good_nr)
				//return 3
		}
		if(good_count != good_list.len() || good_count != good.len())
			return 3
		//----------------------------------------------------

		return null
	}

	function is_convoy_correct_ext(depot,  good_nr, cov, veh, cab, name, wag_name, cab_name)
	{
		local res = {good = false, name = false, cov = false, veh = false, cab = false}
		local cov_list = depot.get_convoy_list()
		local cov_nr = cov_list.len()

		//Check if there is a convoy
		if (cov_nr==0){
			return res
		}

		//Check the number of convoys
		if (cov_nr==cov)
			res.cov = true

        //Check name car and cab
		for (local j=0;j<cov_nr;j++){
			local veh_list = cov_list[j].get_vehicles()
			
			//To check the name of the locomotive
			local c_name = veh_list[0].get_name()
			if (c_name==name)
				res.name = true

			//Check load type
			local good = cov_list[j].get_goods_catg_index()		
			for(local i=0;i<good.len();i++){
				if(good[i]==good_nr)
					res.good = true
			}
			//Check the number of cars
			local veh_nr = veh_list.len()
			local wag_nr = 0
			local cab_nr = 0
			for(local i=0;i<veh_nr;i++){
				local name = veh_list[i].get_name()
				if (name == wag_name)
					wag_nr++
				if (name == cab_name)
					cab_nr++
			}
			if (wag_nr == veh)
				res.veh = true

			if (cab_nr == cab)
				res.cab = true
		}
		return res
	}

	function is_conv_schedule_correct(pl,all,nr,load,wait,cov,convoy,coord,line=false)
	{
		//Check if schedule is correct
		local conv_sch = convoy.get_schedule()
		local entries = null

		if (conv_sch)
			entries = conv_sch.entries
		else
			return 0
		local sch_nr = entries.len()
		if (sch_nr!=all)
			return 1
		if (entries[nr].load!=load)
			return 2
		if (entries[nr].wait!=wait)
			return 3

		if (line){
			local cov_line = convoy.get_line()
			if (cov_line){
				if (!cov_line.is_valid())
					return 4
			}
			else
				return 5
		}
		local t_list = entries[nr].get_halt(player_x(pl)).get_tile_list()
		if (tile_list(t_list, coord))
			return null

		return 6
	}

	function set_schedule_list(result, pl, schedule, nr, selc, load, time, c_list, siz, line = false)
	{
		if (nr > siz)
			return format(translate("The schedule needs to have %d waystops, but there are %d ."),siz, nr)

		for(local j=0;j<siz;j++){
			if (j==selc){
				result = is_waystop_correct(pl, schedule, j, load, time, c_list[j]), line
			}

			else if (result==null){
				result = is_waystop_correct(pl, schedule, j, 0, 0, c_list[j], line)
				
				}
			else
				return result
		}
		return result
	}

	function set_schedule_convoy_back(result, pl, cov, convoy, selc, load, time, c_list, siz, line, back)
	{
		local all = back? siz+siz-2 : siz
		for(local j=0;j<siz;j++){
			if (j==selc)
				result = is_conv_schedule_correct(pl, all, j, load, time, cov, convoy, c_list[j], line)
			else if (result==null)
				result = is_conv_schedule_correct(pl, all, j, 0, 0, cov, convoy, c_list[j], line)

			else break
		}

		if(back){
			local nr = siz
			for(local j=siz-2;j>0;j--){
				if (result==null)
					result = is_conv_schedule_correct(pl, all, nr, 0, 0, cov, convoy, c_list[j], line)
				else
					break
				nr++
			}
		}
		
		if (result!=null){
			switch (result) {
				case 4:
					return translate("The line is not correct.")
				break

				case 5:
					return translate("First create a line for the vehicle.")
				break

				default :
					return translate("The schedule is not correct.")
				break			
			}
		}

		if (result == null){
			update_convoy_removed(convoy, pl)

		}
		return result
	}

	function set_schedule_convoy(result, pl, cov, convoy, selc, load, time, c_list, siz, line = false)
	{
		for(local j=0;j<siz;j++){
			if (j==selc)
				result = is_conv_schedule_correct(pl, siz, j, load, time, cov, convoy, c_list[j], line)
			else if (result==null)
				result = is_conv_schedule_correct(pl, siz, j, 0, 0, cov, convoy, c_list[j], line)

			else break
		}
		//gui.add_message(""+result)
		if (result!=null){
			switch (result) {
				case 4:
					return translate("The line is not correct.")
				break

				case 5:
					return translate("First create a line for the vehicle.")
				break

				default :
					return translate("The schedule is not correct.")
				break			
			}
		}

		if (result == null){
			update_convoy_removed(convoy, pl)

		}
		return result
	}

	function tile_list(t_list, coord)
	{
		local t_nr = t_list.len()
		for(local j=0;j<t_nr;j++){
			if ((t_list[j].x==coord.x)&&(t_list[j].y==coord.y)){
				return true
			}
		}
		return false
	}

	function jump_to_link_executed(pos)
	{
		if (currt_pos){
			local t = tile_x(currt_pos.x,currt_pos.y,currt_pos.z)
			local build = t.find_object(mo_building)
			if(build){
				local t_list = gl_buil_list
				foreach(t in t_list){
					t.find_object(mo_building).unmark()
				}
				gl_buil_list = {}
				currt_pos = null
			}
		}
		local t = tile_x(pos.x,pos.y,pos.z)
		local build = t.find_object(mo_building)

		if(build){
			local t_list = build.get_tile_list()
			foreach(t in t_list){
				gl_buil_list[coord3d_to_key(t)] <- t
				t.find_object(mo_building).mark()
			}
			currt_pos = pos
		}
		return null
	}

	function get_convoy_number(coord, wt, in_dep = false)  //Permite contar los vehiculos en las estaciones /paradas
	{
		local halt = this.my_tile(coord).get_halt()
		local cov_list = halt.get_convoy_list()
		local cov_nr = 0
		foreach(cov in cov_list) {
			if (cov.get_waytype()==wt){
				if(!cov.is_in_depot())
					cov_nr++
				else if(in_dep)
					cov_nr++
			}
		}
		local lin_list = halt.get_line_list()
		foreach(line in lin_list) {
			local cov_lin = line.get_convoy_list()
			foreach(cov in cov_lin) {
				if (cov.get_waytype()==wt){
					if(!cov.is_in_depot())
						cov_nr++
					else if(in_dep)
						cov_nr++
				}
			}
		}
		return cov_nr
	}

	function get_convoy_number_exp(coord, c_dep, id_start, id_end, in_dep = false)  //Permite contar los vehiculos en las estaciones /paradas
	{
		local halt = this.my_tile(coord).get_halt()
		local cov_list = halt.get_convoy_list()
		local cov_nr = 0
		foreach(cov in cov_list) {
			local cov_dep = cov.get_home_depot()
				if (cov_dep.x == c_dep.x && cov_dep.y == c_dep.y){
					//gui.add_message("("+cov.is_in_depot()+" .. "+cov.id+") .. ??"+id_end+"")
					if(!cov.is_in_depot()){
						for (local j =id_start ;j<id_end;j++){
							if(cov.id == id_save[j]){
								cov_nr++
								break
							}
						}
					}
					else if(in_dep)
						cov_nr++
				}
		}
		local lin_list = halt.get_line_list()
		foreach(line in lin_list) {
			local cov_lin = line.get_convoy_list()
			foreach(cov in cov_lin) {
				local cov_dep = cov.get_home_depot()
				if (cov_dep.x == c_dep.x && cov_dep.y == c_dep.y){
					//gui.add_message("("+cov.is_in_depot()+" .. "+cov.id+") .. ??"+id_end+"")
					if(!cov.is_in_depot()){
						for (local j =id_start ;j<id_end;j++){
							if(cov.id == id_save[j]){
								cov_nr++
								break
							}
						}
					}
					else if(in_dep)
						cov_nr++
				}
			}
		}
		return cov_nr
	}

	function get_depot_number(pl, depot, coord, good, max)
	{
		local halta = this.my_tile(coord).get_halt()	//Halt de la estacion
		local cov_list = depot.get_convoy_list()		//Lista de vehiculos en el deposito
		local cov_nr = 0								//Contador de vehiculos
		local sch = null
		foreach(cov in cov_list) {
			local line = cov.get_line()
			if (line)
				sch = line.get_schedule()

			else
				sch = cov.get_schedule()

			if (sch){
				local nr = sch.entries.len()
				for(local j=0;j<nr;j++) {
					//if (cov_nr==max)
						//return cov_nr
					local haltb = sch.entries[j].get_halt(player_x(pl))		//Halt de la estacion asociada al vehiculo
					//if (halta.is_connected(haltb, good_desc_x(good))){
						local t_list = sch.entries[j].get_halt(player_x(pl)).get_tile_list()
						if (tile_list(t_list, coord))
							cov_nr++
						continue
					//}
				}
			}
		}
		//gui.add_message(""+cov_nr+"")
		return cov_nr
	}

	function get_reached_target(coord, good)
	{
		local factory = factory_x(coord.x, coord.y)
		return factory.input[good].get_received().reduce(sum)
	}
	
	function save_pot()
	{
		if (persistent.pot[0]!=0)pot0=persistent.pot[0]
		if (persistent.pot[1]!=0)pot1=persistent.pot[1]
		if (persistent.pot[2]!=0)pot2=persistent.pot[2]
		if (persistent.pot[3]!=0)pot3=persistent.pot[3]	
		if (persistent.pot[4]!=0)pot4=persistent.pot[4]
		if (persistent.pot[5]!=0)pot5=persistent.pot[5]	
		if (persistent.pot[6]!=0)pot6=persistent.pot[6]	
		if (persistent.pot[7]!=0)pot7=persistent.pot[7]	
		if (persistent.pot[8]!=0)pot8=persistent.pot[8]
		if (persistent.pot[9]!=0)pot9=persistent.pot[9]
		if (persistent.pot[10]!=0)pot10=persistent.pot[10]

		persistent.pot[0]=pot0
		persistent.pot[1]=pot1
		persistent.pot[2]=pot2
		persistent.pot[3]=pot3
		persistent.pot[4]=pot4
		persistent.pot[5]=pot5
		persistent.pot[6]=pot6
		persistent.pot[7]=pot7
		persistent.pot[8]=pot8
		persistent.pot[9]=pot9
		persistent.pot[10]=pot10

		return null
	}

	function save_glsw()
	{
		for(local j=0;j<20;j++){
			if (persistent.glsw[j]!=0)
				glsw[j]=persistent.glsw[j]

			persistent.glsw[j]=glsw[j]
		}
		return null
	}

    function backward_pot(pnr)
	{
		if (pnr==0) {pot0 = 0; persistent.pot[pnr]=pot0}
		if (pnr==1) {pot1 = 0; persistent.pot[pnr]=pot1}
		if (pnr==2) {pot2 = 0; persistent.pot[pnr]=pot2}
		if (pnr==3) {pot3 = 0; persistent.pot[pnr]=pot3}
		if (pnr==4) {pot4 = 0; persistent.pot[pnr]=pot4}
		if (pnr==5) {pot5 = 0; persistent.pot[pnr]=pot5}
		if (pnr==6) {pot6 = 0; persistent.pot[pnr]=pot6}
		if (pnr==7) {pot7 = 0; persistent.pot[pnr]=pot7}
		if (pnr==8) {pot8 = 0; persistent.pot[pnr]=pot8}
		if (pnr==9) {pot9 = 0; persistent.pot[pnr]=pot9}
		if (pnr==10) {pot10 = 0; persistent.pot[pnr]=pot10}

		return null
	}

	function backward_glsw(pnr)
	{	for(local j=0;j<20;j++){
			if (pnr==j){	
				glsw[j]=0
				persistent.glsw[j]=glsw[j]
			}
		}

		return null
	}

		function reset_pot()
	{
		pot0 = 0
		pot1 = 0
		pot2 = 0
		pot3 = 0
		pot4 = 0
		pot5 = 0
		pot6 = 0
		pot7 = 0
		pot8 = 0
		pot9 = 0
		pot10 = 0
		persistent.pot[0]=0
		persistent.pot[1]=0
		persistent.pot[2]=0
		persistent.pot[3]=0
		persistent.pot[4]=0
		persistent.pot[5]=0
		persistent.pot[6]=0
		persistent.pot[7]=0
		persistent.pot[8]=0
		persistent.pot[9]=0
		persistent.pot[10]=0

		return null
	}

	function reset_glsw()
	{	for(local j=0;j<20;j++){	
			glsw[j]=0
			persistent.glsw[j]=glsw[j]
		}

		return null
	}

	function reset_tmpsw()
	{	for(local j=0;j<20;j++){
			tmpsw[j] = 0

		}
		tmpcoor = []
		return null
	}

	function reset_stop_flag()
	{	for(local j=0;j<20;j++){				
		stop_flag[j]=0
		}
		return null
	}
	
	function count_tunnel(coora, max){
		local way = tile_x(coora.x, coora.y, coora.z).find_object(mo_way)
		local r_dir = way? way.get_dirs():0
		if(!way)return true
		local result = false
		if(r_dir == 2){
			for(local j = 0;true;j++){
				local t = tile_x((coora.x + j), coora.y , coora.z)
				if (!t.is_valid()){
					return false
				}
				local w = t.find_object(mo_way)
				if (!w){
					t.z--
					w = t.find_object(mo_way)
				}
				local slope = t.get_slope()
				local dir = w? w.get_dirs():0
				//gui.add_message(""+t.x+","+t.y+","+t.z+"::"+slope+"")
				if(w && j==max && (dir==2 || dir==10))result = true
				else if(w && j>max)result = false
				if(slope != 0) return result	
			}
		}
		else if(r_dir == 8){
			for(local j = 0;true;j++){
				local t = tile_x((coora.x - j), coora.y , coora.z)
				if (!t.is_valid()){
					return false
				}
				local w = t.find_object(mo_way)
				if (!w){
					t.z--
					w = t.find_object(mo_way)
				}
				local slope = t.get_slope()
				local dir = w? w.get_dirs():0
				if(w && j==max && (dir==2 || dir==10))result = true
				else if(w && j>max)result = false
				if(slope != 0) return result	
			}
		}
		else if(r_dir == 4){
			for(local j = 0;true;j++){
				local t = tile_x(coora.x, (coora.y + j), coora.z)
				if (!t.is_valid()){
					return false
				}
				local w = t.find_object(mo_way)
				if (!w){
					t.z--
					w = t.find_object(mo_way)
				}
				local slope = t.get_slope()
				local dir = w? w.get_dirs():0
				if(w && j==max && (dir==4 || dir==5))result = true
				else if(w && j>max)result = false
				if(slope != 0) return result	
			}
		}
		else if(r_dir == 1){
			for(local j = 0;true;j++){
				local t = tile_x(coora.x, (coora.y - j), coora.z)
				if (!t.is_valid()){
					return false
				}
				local w = t.find_object(mo_way)
				if (!w){
					t.z--
					w = t.find_object(mo_way)
				}
				local slope = t.get_slope()
				local dir = w? w.get_dirs():0
				if(w && j==max && (dir==1 || dir==5))result = true
				else if(w && j>max)result = false
				if(slope != 0) return result	
			}
		}
		return result
	}
	//Comprueba conexion entre vias
	//dir 0 = auto
	//dir 2 = coorda.y--
	//dir 3 = coorda.y++
	//dir 5 = coorda.x++
	//dir 6 = coorda.x--
	function get_fullway(coora, coorb, dir, obj, tun=false)
	{
		local tilea = tile_x(coora.x,coora.y,coora.z)
		local tileb = tile_x(coorb.x,coorb.y,coorb.z)
		local way = tilea.find_object(mo_way)
		local res = r_way
		res.c = coora
		res.r = false
		if (!way)
			return res
		if (obj){
			if (obj == mo_wayobj){
				if(!way.is_electrified()){
					way.mark()
					if (!tun)
						label_x.create(coora, player_x(1), translate("Here"))
					return res
				}
				else{
					tilea.remove_object(player_x(1), mo_label)
					way.unmark()
				}
			}
		}
		
		local r_dir = way_x(coora.x, coora.y, coora.z).get_dirs()
		if (dir == 0) dir = c_dir(coora, coorb, r_dir)
		local c_way = coora
		local ribi = 0
		local vl = array(10)
		vl[3]=3
		vl[5]=5
		vl[2]=2
		vl[6]=6
		if (dir==1){
			if (r_dir==2 || r_dir==10)
				dir=6
			else if (r_dir==4 || r_dir==5)
				dir=2
			else if (r_dir==3){
				tilea.find_object(mo_way).unmark()
				dir=2
				coora.y--
			}
			else if (r_dir==6){
				tilea.find_object(mo_way).unmark()
				dir=3
				coora.y++
			}
		}
		else if (dir==2){
			if (r_dir==1)
				coora.y--
		}
		else if (dir==3){
			if (r_dir==4)
				coora.y++
		}
		else if (dir==4){
			if (r_dir==1 || r_dir==5)
				dir=3
			else if (r_dir==8 || r_dir==10)
				dir=5
			else if (r_dir==3){
				tilea.find_object(mo_way).unmark()
				dir=5
				coora.x++
			}
			else if (r_dir==9){
				tilea.find_object(mo_way).unmark()	
				dir=6
				coora.x--
			}
		}
		else if (dir==5){
			if (r_dir==2)
				coora.x++
		}
		else if (dir==6){
			if (r_dir==8)
				coora.x--
		}
		local count = 0
		res.l = false
		res.p = 0
		while(true){
			local tile = tile_x(coora.x,coora.y,coora.z)
			local tunnel = tile.find_object(mo_tunnel)
			local bridg = tile.find_object(mo_bridge)
			local way_hold = tile.find_object(mo_way)
			local slp = tile.get_slope()
			local type = false
			local t_type = false
			local way = false
			local ribi = false
			local squ = square_x(coora.x,coora.y)
			local sq_z = squ.get_ground_tile().z

			if(tun){
				if(tile.z == sq_z){
					local test = squ.get_tile_at_height(coora.z -1)
					if(test != null)
						coora.z--
				}
				else  {

					local c_z = coora.z -1
					for(local j = c_z;j<=(c_z+2);j++){
						local c_test = squ.get_tile_at_height(j)
						if(c_test && c_test.is_valid()){
							local way = c_test.find_object(mo_way)
							if(way){
								if(!tun && sq_z != c_test.z)
									continue
								//gui.add_message("way "+coora.x+" :: "+coora.z+","+c_test.z+"  -p "+res.p+" :: slp "+ slope.to_dir(c_test.get_slope()) +" - "+slope.to_dir(res.s))
								if(sq_z != c_test.z && ( slp != 0 && (slope.to_dir(c_test.get_slope()) == res.s || res.s == 0)) && (c_test.z == coora.z || res.p == 1 )){
									res.p = 1
								}
								else res.p = 0
								if(way_hold && way.get_dirs() == way_hold.get_dirs()) {
									coora.z = c_test.z
									break

								}
								//gui.add_message("way2 "+coora.x+" :: "+coora.z+","+c_test.z+"  - "+sq_z+" :: slp "+ slp)
								coora.z = c_test.z
								break
							}
						}
					}
				}
			}
			else{
				if(res.z != null){
					for(local j = 0;j<3;j++){
						local t_test = squ.get_tile_at_height(tile.z + j)
						if(t_test){
							local test_brid = t_test.find_object(mo_bridge)
							if(test_brid){
								//gui.add_message("Brid "+t_test.x+","+t_test.y+","+t_test.z+"  - "+t_test.is_bridge()+"")
								coora.z = t_test.z
								bridg = test_brid
								break
								
							}
						}
					}
				}
				if(bridg){
					res.z = res.z == null? (coora.z+1) : res.z

				}
				else{
					res.z = null
					if(squ.get_tile_at_height(coora.z)== null){
						coora.z = sq_z
					}
				}
			}

			r_way_list[coord3d_to_key(coora)] <- coora
			persistent.r_way_list = r_way_list
			res.c = coora
			local t = tile_x(coora.x, coora.y, coora.z)
			way = t.find_object(mo_way)
			
			local nw_slp = slope.to_dir(t.get_slope())
			if( nw_slp == 0) res.p = 0
			
			res.s = nw_slp
			//gui.add_message("way "+coora.x+","+coora.y+","+coora.z+"  - "+squ.get_tile_at_height(coora.z)+"")
			if(way){
				if (res.m && t.is_marked() || !res.m && !t.is_marked()){
					if (count>1){
						res.l = true
						res.m = !res.m

						return res
					}
					else
						count ++
				}
				if (res.m){
					if(!t.is_marked())
						t.mark()
				}
				else {
					if(t.is_marked())
						t.unmark()
				}
				ribi = t.find_object(mo_way).get_dirs()
			}
			else{
				return res
			}

			//gui.add_message("way "+coora.x+","+coora.y+","+coora.z+"  - "+ribi+"")
			if (obj){
				if (obj == mo_wayobj){
					if(!way.is_electrified()){
						way.mark()
						if (!tun)
							label_x.create(coora, player_x(1), translate("Here"))

						return res
					}
					else{
						t.remove_object(player_x(1), mo_label)
						way.unmark()
					}
				}
			}
			if(coora.x==coorb.x && coora.y==coorb.y && coora.z==coorb.z){
				if (t_type)
					way.unmark()
				if (res.m){
					return res
				}
				else{
					r_way_list = {}
					persistent.r_way_list = r_way_list
					res.r = true
					return res
				}
			}

			if ((ribi==1)||(ribi==2)||(ribi==4)||(ribi==8)){
				//gui.add_message(""+ribi+"---"+name+" ("+coora.x+","+coora.y+","+coora.z+")")
				way.mark()
				//Detecta la pocision del cursor	
				cursor_control(coora)
				res.m = !res.m
				return res
			}
			else{
				way.unmark()
			}

			if (dir==2){

				if (ribi==5){
					coora.y--
					continue
				}

				else if (ribi==6){
					dir = vl[5]
					coora.x++
					continue
				}
				else if (ribi==12){
					dir = vl[6]
					coora.x--
					continue
				}

				else if (ribi==14){
					dir = vl[5]
					coora.x++
					continue
				}

				else if ((ribi==7 || ribi==11 || ribi==13 || ribi==15)){
					coora.y--
					continue
				}
			}
			
			else if (dir==3){

				if (ribi==5){
					coora.y++
					continue
				}

				else if (ribi==3){
					dir = vl[5]
					coora.x++
					continue
				}

				else if (ribi==9){
					dir = vl[6]
					coora.x--
					continue
				}
				
				else if (ribi==11){
					dir = vl[5]
					coora.x++
					continue
				}

				else if ((ribi==7 || ribi==13 || ribi==14 || ribi==15)){
					coora.y++
					continue
				}				
			}
			else if (dir==5){

				if (ribi==10){
					coora.x++
					continue
				}
				else if (ribi==12){
					dir = vl[3]
					coora.y++
					continue
				}
				else if (ribi==9){
					dir = vl[2]
					coora.y--
					continue
				}
				else if (ribi==13){
					dir = vl[2]
					coora.y--
					continue
				}
				else if ((ribi==7 || ribi==11 || ribi==14 || ribi==15)){
					coora.x++
					continue
				}				
			}
			else if (dir==6){

				if (ribi==10){
					coora.x--
					continue
				}

				else if (ribi==3){
					dir = vl[2]
					coora.y--
					continue
				}
				else if (ribi==6){
					dir = vl[3]
					coora.y++
					continue
				}

				else if (ribi==7){
					dir = vl[3]
					coora.y++
					continue
				}

				else if ((ribi==11 || ribi==14 || ribi==15)){
					coora.x--
					continue
				}			
			}
			return res
		}
	}

	function c_dir(coora, coorb, ribi)
	{
		local dir = 0
		//coorda.x-- y coorda.y--
		if(coora.x>coorb.x && coora.y>coorb.y){
			if(ribi==5)
				return dir=5

			else if(ribi==10)
				return dir=6
			return dir=1
		}

		//coorda.x y coorda.y--
		else if(coora.x==coorb.x && coora.y>coorb.y){
			return dir=2
		}

		//coorda.x y coorda.y++
		else if(coora.x==coorb.x && coora.y<coorb.y){
			return dir=3
		}

		//coorda.x y++ coorda.y++
		else if(coora.x<coorb.x && coora.y<coorb.y){
			return dir=4
		}

		//coorda.x++ y coorda.y
		else if(coora.x<coorb.x && coora.y==coorb.y){
			return dir=5
		}

		//coorda.x-- y coorda.y
		else if(coora.x>coorb.x && coora.y==coorb.y){
			return dir=6
		}

		else
			return dir	
	}

	function get_dir_start(coord,opt = 0)
	{
		local way = tile_x(coord.x,coord.y,coord.z).find_object(mo_way)
		if (!way)
			return 0

		local ribi = way.get_dirs()

		//Normal
		if (opt==0){
			
			if (ribi==1)
				return 3
			
			else if (ribi==2)
				return 6

			else if (ribi==4)
				return 2

			else if (ribi==8)
				return 5

			else
				return 0
		}
		//Inverso
		if (opt==1){
			
			if (ribi==1)
				return 2
			
			else if (ribi==2)
				return 5

			else if (ribi==4)
				return 3

			else if (ribi==8)
				return 6

			else
				return 0
		}
		return null
	}

	//Pendiente de media altura
	function slope_rotate(slope)
	{
		local test=coord3d(0,0,1)
		local txt=test.tostring()
		if (txt=="0,0,1"){
			if (slope==4)
				return true
		}

		else if (txt=="127,0,1"){
			if (slope==28)
				return true
		}

		else if (txt=="127,127,1"){
			if (slope==36)
				return true
		}
		else if (txt=="0,127,1"){
			if (slope==12)
				return true
		}
		else
			return false
	}

	function way_is_bridge(coord, ribi)
	{
		local tile = tile_x(coord.x, coord.y, coord.z)	
		local way = tile.find_object(mo_way)
		local wt = way.get_waytype()
		local t	
		local count = 1
		foreach(r in dir.nsew){
			
			t = tile.get_neighbour(wt,r)
			while (t  &&  t.is_bridge()  &&  !t.is_ground()){
				t = t.get_neighbour(wt,r)
				count++
			}
			if (t  && t.is_bridge()){
				count++
				return count
			}
		}
		return count
		
	}

	function all_control(result, wt, way, ribi, tool_id, pos, coor, plus = 0){
		if ((tool_id==tool_remove_way)||(tool_id==tool_remover)){
			if (way && way.get_waytype() != wt)
				return result

			else {
				local cur_key = coord3d_to_key(pos)
				result = translate("Action not allowed")+" ("+pos.tostring()+")."
				if(way && way.get_desc().get_system_type() == st_elevated)
					return null

				foreach(key, c in r_way_list){
					if(key == cur_key){
						//delete r_way_list[key] //Delate objt example
						//gui.add_message("key: "+key+" ckey: "+cur_key)
						return null
						break
					}
				}
				return result
			}
		}
		else if (r_way.l)
			return translate("The track is stuck, use the [Remove] tool here!")+" ("+coor.tostring()+")."

		//Control para que los puentes funcionen bien
		bridge_control(way, tool_id)
		if (bridge_sw){
			return null
		}
		else if ((pos.x == coor.x && pos.y == coor.y && pos.z == coor.z)||(cursor_sw)){
			if (tool_id==tool_build_way || tool_id==tool_build_tunnel){
				if ((ribi==0) || (ribi==1) || (ribi==2) || (ribi==4) || (ribi==8)){
					return null
				}
				else{
					under_lv = settings.get_underground_view_level()
					//gui.add_message("pos: "+coor+" plus: "+r_way.p )
					if (under_lv != norm_view){
						local sq = square_x(pos.x,pos.y)
						local sq_z = sq.get_ground_tile().z
						local c_test = sq.get_tile_at_height(coor.z+plus)
						if((!c_test || !way) && under_lv <= coor.z && pos.z < sq_z){
							return null
						}
					}

					return translate("No intersections allowed")+" ("+pos.tostring()+")."
				}
			}
			else
				return translate("Action not allowed")+" ("+pos.tostring()+")."
		}
		else{
			return translate("Connect the Track here")+" ("+coord3d(coor.x, coor.y, coor.z).tostring()+")."
		}

		return ""
	}

	function cursor_control(coord)
	{
		
		local tile_coord = tile_x(coord.x, coord.y, coord.z)
		//local tile_pos = tile_x(pos.x, pos.y, pos.z)
		if (tile_coord.find_object(mo_pointer))	
			return cursor_sw = true

		else 
			return cursor_sw = false
		

		return null
	}

	function bridge_control(way, tool_id){

		if (tool_id==4111 && way ) { bridge_sw = true}
		if (bridge_count >2){
			bridge_count = 0
			bridge_sw = false
		}
		if (bridge_sw && tool_id==4110){bridge_count++}

		else if (bridge_sw && !way){bridge_count = 0}

		return null
	}

	function get_corret_slope(slope, corret_slope)
	{
		//gui.add_message(""+slope +" "+corret_slope)
		if (slope==corret_slope ) { //72
			return true
		}

		else if(slope==36){
			slope_estatus[0] = 1      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 1	  //noreste ??
			slope_estatus[3] = 0	  //noroeste ??
			slope_estatus[4] = 0	  //sureste ??
			slope_estatus[5] = 0	  //suroeste ??
		}
		else if(slope==4){
			slope_estatus[0] = 1      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 0	  //noroeste ??
			slope_estatus[4] = 0	  //sureste ??
			slope_estatus[5] = 1	  //suroeste ??
		} 
		else if(slope==12){
			slope_estatus[0] = 1      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 0	  //noroeste ??
			slope_estatus[4] = 1	  //sureste ??
			slope_estatus[5] = 0	  //suroeste ??
		}
		else if(slope==28){
			slope_estatus[0] = 1      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 1	  //noroeste ??
			slope_estatus[4] = 0	  //sureste ??
			slope_estatus[5] = 0	  //suroeste ??
		}
		else if(slope==8){
			slope_estatus[0] = 0      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 0	  //noroeste ??
			slope_estatus[4] = 0	  //sureste ??
			slope_estatus[5] = 1	  //suroeste ??
		}
		else if(slope==24){
			slope_estatus[0] = 0      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 0	  //noroeste ??
			slope_estatus[4] = 1	  //sureste ??
			slope_estatus[5] = 0	  //suroeste ??
		}
		else if(slope==56){
			slope_estatus[0] = 0      //Es de media altura ? ?
			slope_estatus[1] = 0      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 1	  //noroeste ??
			slope_estatus[4] = 0	  //sureste ??
			slope_estatus[5] = 0	  //suroeste ??
		}
		else if(slope==0){
			slope_estatus[0] = 0      //Es de media altura ? ?
			slope_estatus[1] = 1      //Es de es terreno plano ??
			slope_estatus[2] = 0	  //noreste ??
			slope_estatus[3] = 0	  //noroeste ??
			slope_estatus[4] = 0	  //sureste ??
			slope_estatus[5] = 0	  //suroeste ??
		}
		return false

	}

	function get_signa(t, nr, addr)
	{
		local ribi
		if  (t.find_object(mo_signal))
			ribi = way_x(t.x, t.y, t.z).get_dirs_masked()
		else ribi = 0

		if (t.find_object(mo_roadsign)){
			//t.remove_object(player_x(0), mo_roadsign)
			glsw[nr] = 0
			sigcoord = null
			persistent.sigcoord = sigcoord
			return translate("It must be a block signal!")+" ("+t.tostring()+")."
		}
		if (glsw[nr] == 0 && ribi != addr){
			sigcoord = t
			persistent.sigcoord = sigcoord
			return null
		}
		else if (glsw[nr] == 1)return translate("The signal is ready!")+" ("+t.tostring()+")."

		if (sigcoord && t.x == sigcoord.x && t.y == sigcoord.y){
			if (ribi == addr){
				glsw[nr] = 1
				sigcoord = null
				persistent.sigcoord = sigcoord
				return translate("The signal is ready!")+" ("+t.tostring()+")."
			} 

		}
		return translate("The signal does not point in the correct direction")+" ("+coord(sigcoord[0].x,sigcoord[0].y).tostring()+")."
	}

    function get_stop(pos,cs,result,load1,load2,cov,count,sw)
	{
		local allret = {cs=cs,result=result,count=count,pot=null}
		local st_c = coord(pos.x,pos.y)

		if ((count>0)&&(((is_station_build(0, cs[count-1], load1)==null))||(is_station_build(0, cs[count-1], load2)==null))){
			if (load1!="Passagiere"&&load2!="Passagiere")
				allret.result = 1
			else if (load1!="Post"&&load2!="Post")
				allret.result = 2
			else if (load1!="goods_"&&load2!="goods_")
				allret.result = 3
			allret.count = count
			allret.pot=0
			return allret
		}
		else if (sw==0){

			local coora = coord(st_c.x-(cov), st_c.y-(cov))
			local coorb = coord(st_c.x+(cov), st_c.y+(cov))
		
			if (cov!=0){
				for (local j = coora.x ;j<=coorb.x;j++){
					for (local i = coora.y;i<=coorb.y;i++){
						local tile = tile_x(j, i, 0)
					
						if (tile.get_halt()){
							local building = map_object_x(j, i, 0, mo_building)
							if (building.get_owner().nr == 0){
								allret.result=translate("It is to close to the other stop")+" ("+coord(j, i).tostring()+")."
								return allret
							}
						}
					}
				}
			}

			cs[count] = {x=st_c.x,y=st_c.y}
			allret.cs = cs
			st_cov[count]= {x1=st_c.x+cov, y1=st_c.y+cov, x2=st_c.x-cov, y2=st_c.y-cov}
			count++ 
			allret.count = count
			allret.result=null
			allret.pot=1
		}

		else if (sw==1){
			st_cov[count]= {x1=st_c.x+cov, y1=st_c.y+cov, x2=st_c.x-cov, y2=st_c.y-cov}
			if (count==0){
				cs[count] = {x=st_c.x,y=st_c.y}
				allret.cs = cs
				count++ 
				allret.count = count
				allret.result=null
				allret.pot=1
				return allret
			}
			for(local j=0;(count>0)&&(j<count);j++){
				if((pos.x<=st_cov[j].x1)&&(pos.y<=st_cov[j].y1)&&(pos.x>=st_cov[j].x2)&&(pos.y>=st_cov[j].y2)){
					cs[count] = {x=st_c.x,y=st_c.y}
					allret.cs = cs
					count++ 
					allret.count = count
					allret.result=null
					allret.pot=1
					return allret
				}
			}
			allret.result= 0 //format(translate("Place station No.%d first"),count+1)+" ("+coord(cs[count].x,cs[count].y).tostring()+")."
			return allret
		}
		
		return allret

	}

	function mark_waypoint(coora, coorb, cov, del, text, wt, dptype)
	{
		local result = {coord = array(30), nr=0}
		local stnr = 0
		if (!del){
			for (local j = coora.x ;j<=coorb.x;j++){
				for (local i = coora.y;i<=coorb.y;i++){	
					local c_label = coord(j,i)
					local coora = coord(j-(cov), i-(cov))
					local coorb = coord(j+(cov), i+(cov))
					for (local j = coora.x ;j<=coorb.x;j++){
						for (local i = coora.y;i<=coorb.y;i++){
							local label = tile_x(j,i,0).find_object(mo_label)
							if (label && label.get_text()==text)
								c_label = coord(j,i)
						}
					}
					local tile = tile_x(c_label.x, c_label.y, 0)

					local label = tile.find_object(mo_label)
					local way = tile.find_object(mo_way)
					local slope = tile.get_slope()
					local depot = tile.find_object(dptype)

					if (!label && way && slope==0 && !depot){
						if (way.get_waytype()!=wt)
							continue

						local ribi = way.get_dirs()
						if ((ribi==1)||(ribi==2)||(ribi==4)||(ribi==8)||(ribi==10)||(ribi==5)){
							label_x.create(c_label, player_x(1), translate(text))
							way.mark()
							local c_sa = coord(c_label.x, c_label.y)
							result.coord[stnr] = {x = c_sa.x, y = c_sa.y}
							stnr++
						}
					}				
				}
			}
		}

		if (del){
			for (local j = coora.x ;j<=coorb.x;j++){
				for (local i = coora.y;i<=coorb.y;i++){	
					local c_label = coord(j,i)
					local tile = tile_x(c_label.x, c_label.y, 0)
					local label = tile.find_object(mo_label)
					local way = tile.find_object(mo_way)
					if (label && label.get_text()==text){
						tile.remove_object(player_x(1), mo_label)
						
					}	
					if (way)
						way.unmark()				
				}
			}
		}
		result.nr = stnr
		return result
	}

    function get_dep_cov_nr(a,b){
		local nr = -1
		for(local j=a;j<b;j++){
			nr++
		}
		return nr
	}

    function start_sch_tmpsw(pl,coord, c_list){
		local depot = null
		try {
			depot = depot_x(coord.x, coord.y, coord.z)  // Deposito /Garaje
		}
		catch(ev) {
			return null
		}
		if(depot){
			local c2d = "coord"
			local cov_list = depot.get_convoy_list() // Lista de vehiculos en el deposito
			local d_nr = cov_list.len()   //Numero de vehiculos en el deposito
			if (d_nr > 0){
		        local cov_line = cov_list[0].get_line()
				if(cov_line){
					local sch = cov_line.get_schedule()
					local sch_nr = sch.entries.len()
					if(sch_nr>0){
			   			for(local j=0;j<c_list.len();j++){
							try {
								 sch.entries[j]
							}
							catch(ev) {
								continue
							}
							local c = c_list[j]
							local type = typeof(c)
							local halt1 = sch.entries[j].get_halt( player_x(pl) )
							local tile_c = type == c2d ? my_tile(c) : tile_x(c.x, c.y, c.z)
							local halt2 = tile_c.get_halt()
							local t1_list = halt1.get_tile_list()
							local t2_list = halt2.get_tile_list()
							local c_buld1 = t1_list[0].find_object(mo_building).get_pos()
							local c_buld2 = t2_list[0].find_object(mo_building).get_pos()
							if(c_buld1.x == c_buld2.x && c_buld1.y == c_buld2.y){
								tmpsw[j] = 1
								tmpcoor.push(tile_c)
							}
						}
					}
				}
			}
		}
	}

    function set_convoy_schedule(pl, coord, wt, line_name) 
    {
		local depot = depot_x(coord.x, coord.y, coord.z)  // Deposito /Garaje
		local cov_list = depot.get_convoy_list() // Lista de vehiculos en el deposito
		local d_nr = cov_list.len()   //Numero de vehiculos en el deposito
        if (d_nr == 0) reset_tmpsw()
		if (d_nr == 1 && active_sch_check){
            active_sch_check = false
            local cov_line = cov_list[0].get_line()
            local play =  player_x(pl)
            local sched = schedule_x(wt, [])
			local siz = tmpcoor.len()
			for(local j = 0; j < siz; j++) {
				local c = tmpcoor[j]
		        if (tmpsw[j] == 1){
					//gui.add_message("("+tmpcoor[j].x+","+tmpcoor[j].y+")")
			        sched.entries.append(schedule_entry_x(c, 0, 0))
				}
				else {
					break
				}
	        }
		    local entrie

		    try {
			     entrie = sched.entries[1]
		    }
		    catch(ev) {
			    return null
		    }
            if (!cov_line)
                play.create_line(wt)

            else if (cov_line.get_name() == line_name && cov_line.get_waytype() == wt){
                cov_line.change_schedule(play, sched)
      			return null
            }
		    // find the line - it is a line without schedule and convoys
		    local list = play.get_line_list()
		    local c_line = null
		    foreach(line in list) {
                if (line.get_name() == line_name && line.get_waytype() == wt){
                    c_line = line
                    break
                }
                else {
		            if (line.get_waytype() == wt  &&  line.get_schedule().entries.len()==0) {
			            // right type, no schedule -> take this.
                        line.set_name(line_name)
			            c_line = line
			            break
		            }
                }
		    }
			if(c_line){     
				c_line.change_schedule(play, sched)          
				cov_list[0].set_line(play, c_line)
			}

  			return null
        }
        return null 
    }

    function update_convoy_schedule(pl, wt, name, schedule)
    {			//gui.add_message("noooo")
        local play =  player_x(pl)

	    // find the line - it is a line without schedule and convoys
	    local list = play.get_line_list()
               
        foreach(line in list) {
            if (line.get_name() == name && line.get_waytype() == wt){

                line.change_schedule(play, schedule)
                //cov.set_line(play, line)
            }
        } 
            
  		return null
    }

	function is_stop_allowed(result, siz, c_list, pos)
	{
		local st_count=0
		for(local j=0;j<siz;j++){
			if (glsw[j]==1)
				st_count++
		}
		if (st_count<siz){
			local c2d = "coord"
			for(local j=0;j<siz;j++){
				local c = c_list[j]
				local type = typeof(c)
				local t = type == c2d ? my_tile(c) : tile_x(c.x, c.y, c.z)
				if(tmpsw[j]==0){
					if ((pos.x == c.x)&&(pos.y == c.y)){
						tmpsw[j] = 1
						tmpcoor.push(t)
						return null
					}
					else{
						local halt = t.get_halt()
						return format(translate("Select station No.%d [%s]"),j+1 , halt.get_name())+" ("+t.tostring()+")."
					}
				}
				if (j == siz-(1))
					return result
			}	
		}

		return 0
	}

	function is_stop_allowed_ex(result, siz, list, pos, wt)
	{
		local t_list = is_water_entry(list)
		local t = tile_x(pos.x, pos.y, pos.z)
		local buil = t.find_object(mo_building)
		local is_wt = buil ? buil.get_waytype():null

		local has_way = t.has_way(wt)

		if(t.is_water()){
			is_wt = wt_water
			has_way = true
		}
		
		local get_cl = square_x(pos.x, pos.y).get_climate()
		local st_count=0
		for(local j=0;j<siz;j++){
			if (glsw[j]==1)
				st_count++
		}
		if (st_count<siz){
			local j = 0
			local c2d = "coord"
			foreach(t in t_list){

				local c = list[j]
				local type = typeof(c)
				local st_t = type == c2d ? my_tile(c) : tile_x(c.x, c.y, c.z)
				local halt = st_t.get_halt()
				local tile_list = halt.get_tile_list()
				local max = tile_list.len()
				//local c_lim_list = {a = tile_list[0], b = tile_list[max-1]}
				//gui.add_message(""+j+" :: "+tmpsw[j])
				if(tmpsw[j] == 0){
					//if(max == 1 && t.is_water()) return check_water_tile(result, tile_list[0], pos, j)
					if(wt == wt_water && t.is_water()){
						local area = get_tiles_near_stations(tile_list)
						for(local i=0;i<area.len();i++){
							local t_water = my_tile(area[i])
							//t_water.mark()
							//gui.add_message(""+t_water.x+","+t_water.y+"")
							if (pos.x == t_water.x && pos.y == t_water.y){
								if(t_water.is_water()){
									tmpsw[j] = 1
									tmpcoor.push(t)
									result = null
									break
								}
								else
									result = format(translate("Select station No.%d"),j+1)+" ("+c.tostring()+")."
							}
							else
								result = format(translate("Select station No.%d"),j+1)+" ("+c.tostring()+")."
						}
						return result
					}
					foreach(tile in tile_list){
						if (pos.x == tile.x && pos.y == tile.y && pos.z == tile.z){
							if(has_way && wt == is_wt){
								tmpsw[j] = 1
								tmpcoor.push(st_t)
								return null
							}
							else
								return format(translate("Select station No.%d"),j+1)+" ("+c.tostring()+")."
						}
					}
					return format(translate("Select station No.%d"),j+1)+" ("+c.tostring()+")."
				}
				j++
				if (j == t_list.len())
					return result
			}
		}

		return 0
	}
	function get_c_key(c, i){
		local res =  ("coord_" + c.x + "_" + c.y + "_" + c.z +"_"+i).toalnum()
		gui.add_message(""+res)
		return res
	}

	function get_tiles_near_stations(tile_list)
	{
		local cov = settings.get_station_coverage()
		local area = []

		local ftiles = tile_list
		foreach (c in ftiles) {
			for(local dx = -cov; dx <= cov; dx++) {
				for(local dy = -cov; dy <= cov; dy++) {
					if (dx==0 && dy==0) continue;

					local x = c.x+dx
					local y = c.y+dy

					if (x>=0 && y>=0 && world.is_coord_valid({x=x,y=y})){
						local tile = square_x(x, y).get_ground_tile()
						area.append( tile );

					}
				}
			}
		}
		return area.len() > 0 ?  area : []
	}

	function check_water_tile(result, t, pos, nr)
	{
		local tile = my_tile(pos)
		local halt = tile.get_halt()
		local slope = tile.get_slope()


		switch (slope){
			case 0:
			break
			case 4:
				t.y--
			break

			case 12:
				t.x--
			break

			case 28:
				t.x++
			break

			case 36:
				t.y++
			break

			case 56:
				t.x++
			break

			case 72:
				t.y++
			break

			default:
			return "nope"
			break
		}
		if(pos.x == c.x && pos.y == c.y){
			if(tmpsw[nr]==0){
				tmpsw[nr] = 1
				tmpcoor.push(t)
				return null
			}
			return result
		}
		
		return format(translate("Select station No.%d"),nr+1)+" ("+c.tostring()+")."
	}

	function is_stop_building(siz, c_list, lab_name, good, label_sw = false)
	{
		local player = player_x(1)
		local count = 0
		for(local j=0;j<siz;j++){
			local c = c_list[j]
			local t = my_tile(c)
			local buil = t.find_object(mo_building)
			local label = t.find_object(mo_label)
			local way = t.find_object(mo_way)
			local halt = t.get_halt()
			if(t.is_marked())
				t.remove_object(player, mo_label)

			if(buil && halt){
				local desc = buil.get_desc()
				local g_list = get_build_load_type(desc)
				local is_good = station_compare_load(good, g_list)
				if(is_good) {
					if(way){
						way.unmark()
					}
					glsw[j]=1
					count++
					if (count==siz) {
						return true
					}
				}
			}
			else{
				if (way && !way.is_marked()){
					way.mark()
				}
				if (!label && !t.is_marked()) {
					label_x.create(c, player, lab_name)
				}
			}
		}
		return false
	}

	function is_stop_building_ex(siz, list, lab_name)
	{
		local player = player_x(1)
		local count = 0
		for(local j=0;j<siz;j++){
			local c = list[j].c
			local name = list[j].name
			local good = list[j].good
			local t = my_tile(c)
			local label = t.find_object(mo_label)
			local way = t.find_object(mo_way)
			local buil = t.find_object(mo_building)
			local halt = t.get_halt()

			//gui.add_message("b"+glsw[j]+" "+j)

			if(buil && halt){
				local desc = buil.get_desc()
				local g_list = get_build_load_type(desc)
				local is_good = station_compare_load(good, g_list)
				if(name == "" && is_good) {
					if(way){
						way.unmark()
					}
					glsw[j]=1
					count++
					if (count==siz) {
						return true
					}
				}
				if(name == desc.get_name() && is_good){
					glsw[j]=1
					count++
					if (count==siz) {
						return true
					}
				}
			}	
			else {
				if(way){
					way.mark()
				}
				else{
					public_label(t, lab_name)
				}
			}
		}
		return false
	}

	function build_stop(nr, c_list, tile, way, slope, ribi, label, pos)
	{

		local result = 0
		if (!way)
			return translate("You can only build stops on roads")+" ("+pos.tostring()+")."
		else if (slope!=0)
			return translate("You can only build stops on flat ground")+" ("+pos.tostring()+")."
		else if (label && label.get_text()=="X")
			return translate("Indicates the limits for using construction tools")+" ("+pos.tostring()+")."	
		else if (ribi==3 || ribi==6 || ribi==9 || ribi==12)
			return translate("You can only build on a straight road")+" ("+pos.tostring()+")."
		else if (ribi==7 || ribi==11 || ribi==13 || ribi==14 || ribi==15)
			return translate("It is not possible to build stops at intersections")+" ("+pos.tostring()+")."

		for(local j=0;j<nr;j++){
			local halt = tile_x(c_list[j].x, c_list[j].y, 0).get_halt()
			if (halt){
				local name = halt.get_name()
				local is_good = halt.accepts_good(good_desc_x(good_alias.passa)) 
				if (!is_good){
					return format(translate("The %s stop must be for %s"),name, translate("Passagiere"))+" ("+coord(c_list[j].x,c_list[j].y).tostring()+")."
				}
			}
		}
		for(local j=0;j<nr;j++){
			local st_c = coord(c_list[j].x, c_list[j].y)
			local mail = good_alias.mail
			local goods = good_alias.goods
			if ((pos.x == st_c.x) && (pos.y == st_c.y)){
				if (glsw[j]==0){
					way.unmark()	
					return null
				}
				else
					return translate("There is already a stop here")+" ("+coord(c_list[j].x,c_list[j].y).tostring()+")."
			}
			else if (glsw[j]==0)
				result = translate("Place the stops at the marked points")+" ("+coord(c_list[j].x,c_list[j].y).tostring()+")."
		}					
		return result

	}
	function get_build_load_type(desc)
	{
		local list = []
		if (desc.enables_pax())
			list.push(good_alias.passa)

		if (desc.enables_mail())
			list.push(good_alias.mail)

		if (desc.enables_freight())
			list.push(good_alias.goods)
		
		return list
	}

	function station_compare_load(good, g_list)
	{
		local is_good = false
		local type = typeof(good)
		if(type == "array"){
			local siz =  good.len()
			local count = 0
			foreach(g in g_list){
				foreach(i in good){
					if(i == g)
						count++
				}
			}
			if(count == siz)
				is_good = true
		}
		else {
			foreach(g in g_list){
				if(g == good)
					is_good = true
			}
		}
		return is_good
	}
	function get_good_text(good)
	{
		local tx = ""
		local type = typeof(good)
		if(type=="array"){
			foreach(i in good){
				if(tx != "")
					tx+= ", "
				tx+= translate(i)+""
			}
		}
		else
			return translate(good)

		return tx
	}

	function build_stop_ex(nr, list, tile)
	{
		local result = 0 
		for(local j=0; j<nr; j++){
			local good = list[j].good
			local name = list[j].name
			local c = list[j].c
			//gui.add_message(""+glsw[j]+" "+j+" "+nr+" "+c)
			local tile = my_tile(c)
			local buil = tile.find_object(mo_building)
            local halt = tile.get_halt()
			if(buil){  
				local desc = buil.get_desc()
				local halt_name = halt.get_name()
				local g_list = get_build_load_type(desc)
				local is_good = station_compare_load(good, g_list)
				if (!is_good){
					local tx_good = get_good_text(good)
					local tx = "The extension building for station [%s] must be for [%s], use the 'Remove' tool"
					return format(translate(tx), halt_name, tx_good)+" ("+c.tostring()+")."
				}

                local build_name = buil.get_desc().get_name()
                local st_name = translate(""+name+"")
                if (name != "" && build_name != name){
					local tx = "The extension building for station [%s] must be a [%s], use the 'Remove' tool"
                    return format(translate(tx), halt_name, st_name )+" ("+c.tostring()+")."
				}
			}
		}
		for(local j=0; j<nr; j++){
			local c = list[j].c
			//gui.add_message("a"+glsw[j])
			if ((tile.x == c.x) && (tile.y == c.y)){
				if (glsw[j]==0){
					return null
				}
				else
					return translate("There is already a stop here")+" ("+c.tostring()+")."
			}
			else if (glsw[j]==0)
				result = translate("Place the stops at the marked points")+" ("+c.tostring()+")."
		}					
		return result

	}

	function delete_stop(nr, c_list, way, pos)
	{
		for(local j=0;j<nr;j++){
			if (c_list[j] != null){
				local stop = tile_x(c_list[j].x,c_list[j].y,0).find_object(mo_building)
				if ((pos.x==c_list[j].x)&&(pos.y==c_list[j].y)&&(stop)){
					way.mark()
					return null
				}
			}
		}
		return translate("You can only delete the stops.")
	}

	function delete_stop_ex(nr, list, pos)
	{
		for(local j=0;j<nr;j++){
			local c = list[j].c
			if (c != null){
				local stop = my_tile(c).find_object(mo_building)
				if ((pos.x == c.x)&&(pos.y == c.y)&&(stop)){
					return null
				}
			}
		}
		return translate("You can only delete the stops.")
	}

	function tile_bord(coora, coorb, opt, del)
	{
		if (opt==0){
			if (!del){
				for (local j = coora.x ;j<=coorb.x;j++){
					local coor1 = coord(j, coora.y)
					local coor2 = coord(j, coorb.y)
					tile_x(coor1.x, coor1.y, 0).mark()
					tile_x(coor2.x, coor2.y, 0).mark()

					for (local i = coora.y;i<=coorb.y;i++){
						coor1 = coord(coora.x, i)
						coor2 = coord(coorb.x, i)
						tile_x(coor1.x, coor1.y, 0).mark()
						tile_x(coor2.x, coor2.y, 0).mark()
					}
				}
			}

			else {
				for (local j = coora.x ;j<=coorb.x;j++){
					local coor1 = coord(j, coora.y)
					local coor2 = coord(j, coorb.y)
					tile_x(coor1.x, coor1.y, 0).unmark()
					tile_x(coor2.x, coor2.y, 0).unmark()

					for (local i = coora.y;i<=coorb.y;i++){
						coor1 = coord(coora.x, i)
						coor2 = coord(coorb.x, i)
						tile_x(coor1.x, coor1.y, 0).unmark()
						tile_x(coor2.x, coor2.y, 0).unmark()
					}
				}
			}
		}
		if (opt==1){
			if (!del){
				for (local j = coora.x ;j<=coorb.x;j++){
					for (local i = coora.y;i<=coorb.y;i++){
						tile_x(j,i,0).mark()
					}
				}
			}
			if (del){
				for (local j = coora.x ;j<=coorb.x;j++){
					for (local i = coora.y;i<=coorb.y;i++){
						tile_x(j,i,0).unmark()
					}
				}
			}
		}
	}
	function label_bord(coora, coorb, opt, del, text, wt=null)
	{
		local c_a = coord(coora.x, coora.y)
		local c_b = coord(coorb.x, coorb.y)
		if (opt==0){
			if (!del){
				for (local j = c_a.x ;j<=c_b.x;j++){
					local coor1 = coord(j, c_a.y)
					local coor2 = coord(j, c_b.y)
					local label1 = tile_x(coor1.x, coor1.y, 0).find_object(mo_label)
					local label2 = tile_x(coor2.x, coor2.y, 0).find_object(mo_label)
					if (!label1){
						label_x.create(coor1, player_x(1), translate(text))
						local label = tile_x(coor1.x,coor1.y,0).find_object(mo_label)
						if (label)
							label.mark()
					}
					if (!label2){
						label_x.create(coor2, player_x(1), translate(text))
						local label = tile_x(coor2.x,coor2.y,0).find_object(mo_label)
						if (label)
							label.mark()
					}
					for (local i = c_a.y;i<=c_b.y;i++){
						coor1 = coord(c_a.x, i)
						coor2 = coord(c_b.x, i)
						label1 = tile_x(coor1.x, coor1.y, 0).find_object(mo_label)
						label2 = tile_x(coor2.x, coor2.y, 0).find_object(mo_label)
						if (!label1){
							label_x.create(coor1, player_x(1), translate(text))
							local label = tile_x(coor1.x,coor1.y,0).find_object(mo_label)
							if (label)
								label.mark()
						}
						if (!label2){
							label_x.create(coor2, player_x(1), translate(text))
							local label = tile_x(coor2.x,coor2.y,0).find_object(mo_label)
							if (label)
								label.mark()
						}
					}
				}
			}

			if (del){

				for (local j = c_a.x ;j<=c_b.x;j++){

					local coor1 = my_tile(coord(j, c_a.y))
					local coor2 = my_tile(coord(j, c_b.y))

					local tile1 = tile_x(coor1.x, coor1.y, coor1.z)
					local tile2 = tile_x(coor2.x, coor2.y, coor2.z)

					local label1 = tile1.find_object(mo_label)
					if (label1 && label1.get_text()==text){
						tile1.remove_object(player_x(1), mo_label)
					}
					local label2 = tile2.find_object(mo_label)
					if (label2 && label2.get_text()==text){
						tile2.remove_object(player_x(1), mo_label)
					}
					for (local i = c_a.y;i<=c_b.y;i++){
						local coor1 = my_tile(coord(c_b.x, i))
						local coor2 = my_tile(coord(c_a.x, i))

						local tile1 = tile_x(coor1.x, coor1.y, coor1.z)
						local tile2 = tile_x(coor2.x, coor2.y, coor2.z)

						local label1 = tile1.find_object(mo_label)
						if (label1 && label1.get_text()==text){
							tile1.remove_object(player_x(1), mo_label)
						}
						local label2 = tile2.find_object(mo_label)
						if (label2 && label2.get_text()==text){
							tile2.remove_object(player_x(1), mo_label)
						}
					}
				}
			}
		}
		if (opt==1){
			if (!del){
				for (local j = c_a.x ;j<=c_b.x;j++){
					for (local i = c_a.y;i<=c_b.y;i++){
						label_x.create(coord(j, i), player_x(1), translate(text))
						local label = tile_x(j,i,0).find_object(mo_label)
						label.mark()
					}
				}
			}
			if (del){
				for (local j = c_a.x ;j<=c_b.x;j++){
					for (local i = c_a.y;i<=c_b.y;i++){
						local tile = tile_x(j, i)
						local label = tile.find_object(mo_label)
						if (label && label.get_text()==text)
							tile.remove_object(player_x(1), mo_label)
					}
				}
			}
		}
		if (opt==2){
			if (!del){
				for (local j = c_a.x ;j<=c_b.x;j++){
					for (local i = c_a.y;i<=c_b.y;i++){
						local c = my_tile(coord(j, i))
						local tile = tile_x(c.x, c.y, c.z)
						local way = tile.find_object(mo_way)
						if (way && way.get_waytype()==wt)
							label_x.create(c, player_x(1), translate(text))
					}
				}
			}
			if (del){
				for (local j = c_a.x ;j<=c_b.x;j++){
					for (local i = c_a.y;i<=c_b.y;i++){
						local c = my_tile(coord(j, i))
						local tile = tile_x(c.x, c.y, c.z)
						local way = tile.find_object(mo_way)
						local label = tile.find_object(mo_label)
						if (way && way.get_waytype()==wt && label && label.get_text()==text){
							local c = my_tile(coord(j, i))
							tile.remove_object(player_x(1), mo_label)
						}
					}
				}
			}
		}
		return null
	}

	function delay_mark_tile_list(list, m_buil, stop = false)
	{
		if (stop){
			foreach(t in list){
				local buil = m_buil ? t.find_object(mo_building): null
				buil ? buil.unmark() : t.unmark()
			}
			return true
		}
		if(tile_delay_list>=3){
			foreach(t in list){
				//gui.add_message("list: "+t.x)
				local buil = m_buil ? t.find_object(mo_building): null
				buil ? buil.mark() : t.mark()
			}
			tile_delay_list = 0
			return false
		}
		else {
			foreach(t in list){
				local buil = m_buil ? t.find_object(mo_building): null
				buil ? buil.unmark() : t.unmark()

			}

			tile_delay_list++
			return true
		}
	}

	function delay_mark_tile(coora, coorb, opt, stop = false)
	{
		if (stop){
			for (local j = coora.x ;j<=coorb.x;j++){
				for (local i = coora.y;i<=coorb.y;i++){
                    local c = coord(j,i)
					local t = my_tile(c)
					t.unmark()
					foreach(obj in t.get_objects()){
						local type = obj.get_type()
						t.find_object(type).unmark()
					}
				}
			}
			return true
		}
		if(tile_delay>=3){
			if (opt == 0){
				for (local j = coora.x ;j<=coorb.x;j++){
					for (local i = coora.y;i<=coorb.y;i++){
                        local c = coord(j,i)
						local t = my_tile(c)
						t.mark()
						foreach(obj in t.get_objects()){
							local type = obj.get_type()
							t.find_object(type).mark()
						}
					}
				}
				tile_delay = 0
				return false
			}

			else if (opt == 1){
				for (local j = coora.x ;j<=coorb.x;j++){
					for (local i = coora.y;i<=coorb.y;i++){
                        local c = coord(j,i)
						local t = my_tile(c)
						foreach(obj in t.get_objects()){
							local type = obj.get_type()
							t.find_object(type).mark()
						}
					}
				}
				tile_delay = 0
				return false
			}

			else if (opt == 2){
				for (local j = coora.x ;j<=coorb.x;j++){
					for (local i = coora.y;i<=coorb.y;i++){
                        local c = coord(j,i)
						local t = my_tile(c)
						t.mark()
					}
				}
				tile_delay = 0
				return false
			}

		}
		else{
			for (local j = coora.x ;j<=coorb.x;j++){
				for (local i = coora.y;i<=coorb.y;i++){
                    local c = coord(j,i)
					local t = my_tile(c)
					foreach(obj in t.get_objects()){
						local type = obj.get_type()
						t.find_object(type).unmark()
					}
				}
			}
			tile_delay++
			return true
		}
	}

    function lock_tile_list(c_list, siz, del, pl, text = "X")
    {
        if (!del) {
	        for (local j = 0 ;j<siz;j++){
		        label_x.create(c_list[j], player_x(pl), text)
	        }
        }
        else {
	        for (local j = 0 ;j<siz;j++){
		        local tile = tile_x(c_list[j].x,c_list[j].y,0)
		        tile.remove_object(player_x(pl), mo_label)

	        }
        }
    }

	function bus_result_message(nr, name, veh, cov)
	{
		switch (nr) {
			case 0:
				return format(translate("Select the Bus [%s]."),name)
				break

			case 1:
				return format(translate("The number of bus must be [%d]."),cov)
				break

			case 2:
				return format(translate("The number of convoys must be [%d], press the [Sell] button."),cov)

			case 3:
				return translate("The bus must be [Passengers].")
				break

			case 4:
				return format(translate("Must not use trailers [%d]."),veh-1)
				break

			default:
				return translate("The convoy is not correct.")
				break
		}
	}

	function is_water_entry(list, under = false)
	{
		local siz = list.len()
		local nw_list = []
		local c2d = "coord"
		for (local j = 0; j<siz; j++){
			local c = list[j]
			local type = typeof(c)
			if(type != c2d) {
				local t = tile_x(c.x, c.y, c.z)
				nw_list.push(t)
				continue
			}
			local tile = my_tile(c)
			local buil = tile.find_object(mo_building)
			local way = tile.find_object(mo_way)

			if (buil && !way) {
				local t_list = buil.get_tile_list();
				local area = get_tiles_near_stations(t_list)
				local save_t = null
				for(local i=0;i<area.len();i++){
					local t_water = my_tile(area[i])
					if(t_water.is_water()){
						local buil2 = t_water.find_object(mo_building)
						save_t = t_water
						if(buil2){
							save_t = t_water
							break
						}
					}
				}
				nw_list.push(save_t)
				continue
			}
			else{

				local t = my_tile(list[j])
				nw_list.push(t)
			}
		}

		return nw_list
	}

	//dir 1 = x++
	//dir 2 = y++
	//dir 3 = x--
	//dir 4 = y--
	function clean_track_segment(t, siz, opt) {
		local tool = command_x(tool_remover)

		if (opt==1) {
			for (local j = 0; j<siz;j++){
				tool.work(player_x(1), t, "")
				t.x++

			}
		}
		else if (opt==2) {
			for (local j = 0; j<siz;j++){
				tool.work(player_x(1), t, "")
				t.y++
			}
		}
		else if (opt==3) {
			for (local j = 0; j<siz;j++){
				tool.work(player_x(1), t, "")
				t.x--
			}
		}
		else if (opt==4) {
			for (local j = 0; j<siz;j++){
				tool.work(player_x(1), t, "")
				t.y--
			}
		}
	}

	function tunnel_build_check(start, under,  max, dir){
		local result =  translate("The tunnel is not correct, use the [Remove] tool here")+" ("+r_way.c.tostring()+".)"
		if(r_way.c.x == start.x && r_way.c.y == start.y)
			return null

		local count = 0
		local t = tile_x(r_way.c.x, r_way.c.y, r_way.c.z)

		if (dir == 8) {
			for (local j = start.x; j<t.x ;j++){
				count++
			}
		}
		else if (dir == 1) {
			for (local j = start.y; j<t.y ;j++){
				count++
			}
		}
		else if (dir == 2) {
			for (local j = start.x; j>t.x ;j--){
				count++
			}
		}
		else if (dir == 4) {
			for (local j = start.y; j>t.y ;j--){
				count++
			}
		}
		//gui.add_message(""+ribi)
		if(count <= max) {
			return under_way_check(under, dir)
		}

		return result
	}

	function under_way_check(under, dir){
		local result =  translate("The tunnel is not correct, use the [Remove] tool here")+" ("+r_way.c.tostring()+".)"
		local t = tile_x(r_way.c.x, r_way.c.y, r_way.c.z)
		local way = t.find_object(mo_way)
		local ribi = way? way.get_dirs() : 0
	
		//gui.add_message(""+ribi)
		if(ribi != dir)
			return result

		local z = square_x(t.x, t.y).get_ground_tile().z
		for (local j = z; j>=under;j--){
			if (j == r_way.c.z)
				continue
			t.z = j
			if (t.find_object(mo_way))
				return result

			//gui.add_message(""+t.x +","+t.y+","+t.z)
		}
		return null
	}

	function underground_message(plus = 0){
		under_lv = settings.get_underground_view_level()
		if(under_lv == norm_view)
			return translate("First you need to activate the underground view / sliced map view.")

		else if(under_lv != unde_view){
			if(under_lv != r_way.c.z + plus)
				return format(translate("Layer level in sliced map view should be: %d"), r_way.c.z + plus)
				
		}
	}

	function public_label(t, name)
	{
		if(t.is_marked())
			t.remove_object(player_x(1), mo_label)

		local label = t.find_object(mo_label)
		local cursor = t.find_object(mo_pointer)

		if(!label && !t.is_marked() && !cursor){
			label_x.create(t, player_x(1), name)

			label = t.find_object(mo_label)
			if(label)
				label.mark()
		}
		return null
	}
}

// END OF FILE
