# company_func.h File Reference

Functions related to companies. More...

`#include "company_type.h"`
`#include "tile_type.h"`
`#include "gfx_type.h"`

Go to the source code of this file.

## Functions
bool | MayCompanyTakeOver (CompanyID cbig, CompanyID small)
| May company cbig buy company csmall?
void | ChangeOwnershipOfCompanyItems (Owner old_owner, Owner new_owner)
void | GetNameOfOwner (Owner owner, TileIndex tile)
| Set the right DParams to get the name of an owner.
void | SetLocalCompany (CompanyID new_company)
| Sets the local company and updates the settings that are set on a per-company basis to reflect the core's state in the GUI.
void | ShowBuyCompanyDialog (CompanyID company)
static bool | IsLocalCompany ()
static bool | IsInteractiveCompany (CompanyID company)
## Variables
CompanyByte | _local_company
CompanyByte | _current_company
Colours | _company_colours [MAX_COMPANIES]
| NOSAVE: can be determined from company structs.
CompanyManagerFace | _company_manager_face
| for company manager face storage in openttd.cfg

## Detailed Description

Functions related to companies.

Definition in file company_func.h.

## Function Documentation

void GetNameOfOwner | ( | Owner | owner,
|  | TileIndex | tile |
| ) |  |  |

Set the right DParams to get the name of an owner.

Parameters:

  | owner | the owner to get the name of.
  | tile | optional tile to get the right town.

Precondition:
  if tile == 0, then owner can't be OWNER_TOWN.

Definition at line 225 of file company_cmd.cpp.

References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem< Tpool >::index, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem<&_company_pool >::IsValidID(), OWNER_TOWN, and SetDParam().

Referenced by CheckOwnership(), and CheckTileOwnership().

bool MayCompanyTakeOver | ( | CompanyID | cbig,
|  | CompanyID | csmall |
| ) |  |  |

May company cbig buy company csmall?

Parameters:

  | cbig | Company buying csmall.
  | csmall | Company getting bought.

Returns:
  Return `true` if it is allowed.

Definition at line 548 of file company_cmd.cpp.

References _settings_game, CountCompanyVehicles(), VehicleSettings::max_aircraft, VehicleSettings::max_roadveh, VehicleSettings::max_ships, VehicleSettings::max_trains, VEH_AIRCRAFT, VEH_ROAD, VEH_SHIP, VEH_TRAIN, and GameSettings::vehicle.

Referenced by CmdBuyCompany(), CmdBuyShareInCompany(), and HandleBankruptcyTakeover().

void SetLocalCompany | ( | CompanyID | new_company | ) |

Sets the local company and updates the settings that are set on a per-company basis to reflect the core's state in the GUI.

Parameters:

  | new_company | the new company

Precondition:
  Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE

Definition at line 92 of file company_cmd.cpp.

References COMPANY_SPECTATOR, DeleteConstructionWindows(), DESTTYPE_TEAM, InvalidateWindowData(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem<&_company_pool >::IsValidID(), MarkWholeScreenDirty(), and OWNER_NONE.

Referenced by ClickChangeCompanyCheat(), CmdCompanyCtrl(), GenerateWorld(), NetworkServerDoMove(), and StartScenario().