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PeterN

Feature: Industries with neutral stations (e.g. Oil Rig) only supply/accept cargo to/from their neutral station. (#7234)

This change is a controlled by a game setting, located under Environment ->
Industries which allows toggling the behaviour. It defaults to enabled.

"Company stations can serve industries with attached neutral stations"

When enabled, industries with attached neutral station (such as Oil Rigs) may
also be served by company-owned stations built nearby. This is the traditional
behaviour.

When disabled, these industries may only be served by their neutral station.
Any nearby company-owned stations won't be able to serve them, nor will the
neutral station serve anything else other than the industry.

/* $Id$ */

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @file townname_type.h
 * Definition of structures used for generating town names.
 */

#ifndef TOWNNAME_TYPE_H
#define TOWNNAME_TYPE_H

#include "newgrf_townname.h"
#include "town_type.h"
#include <set>
#include <string>

typedef std::set<std::string> TownNames;

/**
 * Struct holding parameters used to generate town name.
 * Speeds things up a bit because these values are computed only once per name generation.
 */
struct TownNameParams {
	uint32 grfid; ///< newgrf ID (0 if not used)
	uint16 type;  ///< town name style

	/**
	 * Initializes this struct from language ID
	 * @param town_name town name 'language' ID
	 */
	TownNameParams(byte town_name)
	{
		extern int _nb_orig_names;
		bool grf = town_name >= _nb_orig_names;
		this->grfid = grf ? GetGRFTownNameId(town_name - _nb_orig_names) : 0;
		this->type = grf ? GetGRFTownNameType(town_name - _nb_orig_names) : SPECSTR_TOWNNAME_START + town_name;
	}

	TownNameParams(const Town *t);
};

#endif /* TOWNNAME_TYPE_H */