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/* $Id$ */
/*
* 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_func.h Functions related to companies. */
#ifndef COMPANY_FUNC_H
#define COMPANY_FUNC_H
#include "command_type.h"
#include "company_type.h"
#include "tile_type.h"
#include "gfx_type.h"
bool MayCompanyTakeOver(CompanyID cbig, CompanyID small);
void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner);
void GetNameOfOwner(Owner owner, TileIndex tile);
void SetLocalCompany(CompanyID new_company);
void ShowBuyCompanyDialog(CompanyID company);
void CompanyAdminUpdate(const Company *company);
void CompanyAdminBankrupt(CompanyID company_id);
void UpdateLandscapingLimits();
bool CheckCompanyHasMoney(CommandCost &cost);
void SubtractMoneyFromCompany(CommandCost cost);
void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cost);
CommandCost CheckOwnership(Owner owner, TileIndex tile = 0);
CommandCost CheckTileOwnership(TileIndex tile);
extern CompanyByte _local_company;
extern CompanyByte _current_company;
extern Colours _company_colours[MAX_COMPANIES];
extern CompanyManagerFace _company_manager_face;
/**
* Is the current company the local company?
* @return \c true of the current company is the local company, \c false otherwise.
*/
static inline bool IsLocalCompany()
{
return _local_company == _current_company;
}
/**
* Is the user representing \a company?
* @param company Company where interaction is needed with.
* @return Gives \c true if the user can answer questions interactively as representative of \a company, else \c false
*/
static inline bool IsInteractiveCompany(CompanyID company)
{
return company == _local_company;
}
#endif /* COMPANY_FUNC_H */
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