/* $Id$ */

/** @file company_base.h Definition of stuff that is very close to a company, like the company struct itself. */

#ifndef COMPANY_BASE_H

#define COMPANY_BASE_H

#include "company_type.h"

#include "oldpool.h"

#include "road_type.h"

#include "rail_type.h"

#include "date_type.h"

#include "engine_type.h"

#include "livery.h"

#include "autoreplace_type.h"

#include "economy_type.h"

#include "tile_type.h"

struct CompanyEconomyEntry {

	Money income;

	Money expenses;

	int32 delivered_cargo;

	int32 performance_history; ///< company score (scale 0-1000)

	Money company_value;

};

/* The third parameter and the number after >> MUST be the same,

 * otherwise more (or less) companies will be allowed to be

 * created than what MAX_COMPANIES specifies!

 */

DECLARE_OLD_POOL(Company, Company, 1, MAX_COMPANIES >> 1)

struct Company : PoolItem<Company, CompanyByte, &_Company_pool> {

	Company(uint16 name_1 = 0, bool is_ai = false);

	~Company();

	uint32 name_2;

	uint16 name_1;

	char *name;

	uint16 president_name_1;

	uint32 president_name_2;

	char *president_name;

	CompanyManagerFace face;

	Money money;

	byte money_fraction;

	Money current_loan;

	byte colour;

	Livery livery[LS_END];

	RailTypes avail_railtypes;

	RoadTypes avail_roadtypes;

	byte block_preview;

	uint32 cargo_types; ///< which cargo types were transported the last year

	TileIndex location_of_HQ;

	TileIndex last_build_coordinate;

	OwnerByte share_owners[4];

	Year inaugurated_year;

	byte num_valid_stat_ent;

	byte quarters_of_bankrupcy;

	byte bankrupt_asked; ///< which companies were asked about buying it?

	int16 bankrupt_timeout;

	Money bankrupt_value;

	bool is_ai;

	Money yearly_expenses[3][EXPENSES_END];

	CompanyEconomyEntry cur_economy;

	CompanyEconomyEntry old_economy[24];

	EngineRenewList engine_renew_list; ///< Defined later

	bool engine_renew;

	bool renew_keep_length;

	int16 engine_renew_months;

	uint32 engine_renew_money;

	uint16 *num_engines; ///< caches the number of engines of each type the company owns (no need to save this)

	inline bool IsValid() const { return this->name_1 != 0; }

};

static inline bool IsValidCompanyID(CompanyID company)

{

	return (uint)company < GetCompanyPoolSize() && GetCompany(company)->IsValid();

}

#define FOR_ALL_COMPANIES_FROM(d, start) for (d = GetCompany(start); d != NULL; d = (d->index + 1U < GetCompanyPoolSize()) ? GetCompany(d->index + 1U) : NULL) if (d->IsValid())

#define FOR_ALL_COMPANIES(d) FOR_ALL_COMPANIES_FROM(d, 0)

static inline byte ActiveCompanyCount()

{

	const Company *c;

	byte count = 0;

	FOR_ALL_COMPANIES(c) count++;

	return count;

}

Money CalculateCompanyValue(const Company *c);

#endif /* COMPANY_BASE_H */