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Patric Stout

Remove: ENABLE_NETWORK switch

This switch has been a pain for years. Often disabling broke
compilation, as no developer compiles OpenTTD without, neither do
any of our official binaries.

Additionaly, it has grown so hugely in our codebase, that it
clearly shows that the current solution was a poor one. 350+
instances of "#ifdef ENABLE_NETWORK" were in the code, of which
only ~30 in the networking code itself. The rest were all around
the code to do the right thing, from GUI to NewGRF.

A more proper solution would be to stub all the functions, and
make sure the rest of the code can simply assume network is
available. This was also partially done, and most variables were
correct if networking was disabled. Despite that, often the #ifdefs
were still used.

With the recent removal of DOS, there is also no platform anymore
which we support where networking isn't working out-of-the-box.

All in all, it is time to remove the ENABLE_NETWORK switch. No
replacement is planned, but if you feel we really need this option,
we welcome any Pull Request which implements this in a way that
doesn't crawl through the code like this diff shows we used to.

/* $Id$ */

/*
 * 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 company_type.h Types related to companies. */

#ifndef COMPANY_TYPE_H
#define COMPANY_TYPE_H

#include "core/enum_type.hpp"

/**
 * Enum for all companies/owners.
 */
enum Owner {
	/* All companies below MAX_COMPANIES are playable
	 * companies, above, they are special, computer controlled 'companies' */
	OWNER_BEGIN     = 0x00, ///< First owner
	COMPANY_FIRST   = 0x00, ///< First company, same as owner
	MAX_COMPANIES   = 0x0F, ///< Maximum number of companies
	OWNER_TOWN      = 0x0F, ///< A town owns the tile, or a town is expanding
	OWNER_NONE      = 0x10, ///< The tile has no ownership
	OWNER_WATER     = 0x11, ///< The tile/execution is done by "water"
	OWNER_DEITY     = 0x12, ///< The object is owned by a superuser / goal script
	OWNER_END,              ///< Last + 1 owner
	INVALID_OWNER   = 0xFF, ///< An invalid owner
	INVALID_COMPANY = 0xFF, ///< An invalid company

	/* 'Fake' companies used for networks */
	COMPANY_INACTIVE_CLIENT = 253, ///< The client is joining
	COMPANY_NEW_COMPANY     = 254, ///< The client wants a new company
	COMPANY_SPECTATOR       = 255, ///< The client is spectating
};
DECLARE_POSTFIX_INCREMENT(Owner)

static const uint MAX_LENGTH_PRESIDENT_NAME_CHARS = 32; ///< The maximum length of a president name in characters including '\0'
static const uint MAX_LENGTH_COMPANY_NAME_CHARS   = 32; ///< The maximum length of a company name in characters including '\0'

static const uint MAX_HISTORY_QUARTERS            = 24; ///< The maximum number of quarters kept as performance's history

/** Define basic enum properties */
template <> struct EnumPropsT<Owner> : MakeEnumPropsT<Owner, byte, OWNER_BEGIN, OWNER_END, INVALID_OWNER> {};
typedef TinyEnumT<Owner> OwnerByte;

typedef Owner CompanyID;
typedef OwnerByte CompanyByte;

typedef uint16 CompanyMask;

struct Company;
typedef uint32 CompanyManagerFace; ///< Company manager face bits, info see in company_manager_face.h

/** The reason why the company was removed. */
enum CompanyRemoveReason {
	CRR_MANUAL,    ///< The company is manually removed.
	CRR_AUTOCLEAN, ///< The company is removed due to autoclean.
	CRR_BANKRUPT,  ///< The company went belly-up.

	CRR_END,       ///< Sentinel for end.
};

/** The action to do with CMD_COMPANY_CTRL. */
enum CompanyCtrlAction {
	CCA_NEW,    ///< Create a new company.
	CCA_NEW_AI, ///< Create a new AI company.
	CCA_DELETE, ///< Delete a company.

	CCA_END,    ///< Sentinel for end.
};

#endif /* COMPANY_TYPE_H */