company_cmd.cpp

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/* $Id: company_cmd.cpp 14828 2009-01-04 15:32:25Z smatz $ */

#include "stdafx.h"
#include "openttd.h"
#include "engine_func.h"
#include "engine_base.h"
#include "company_func.h"
#include "company_gui.h"
#include "town.h"
#include "news_func.h"
#include "command_func.h"
#include "network/network.h"
#include "network/network_func.h"
#include "network/network_base.h"
#include "variables.h"
#include "ai/ai.h"
#include "company_manager_face.h"
#include "group.h"
#include "window_func.h"
#include "tile_map.h"
#include "strings_func.h"
#include "gfx_func.h"
#include "functions.h"
#include "date_func.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "core/alloc_func.hpp"
#include "core/sort_func.hpp"
#include "autoreplace_func.h"
#include "autoreplace_gui.h"
#include "string_func.h"
#include "ai/default/default.h"
#include "ai/trolly/trolly.h"
#include "road_func.h"
#include "rail.h"
#include "sprite.h"
#include "debug.h"
#include "oldpool_func.h"

#include "table/strings.h"
#include "table/sprites.h"

CompanyByte _local_company;
CompanyByte _current_company;
/* NOSAVE: can be determined from company structs */
byte _company_colours[MAX_COMPANIES];
CompanyManagerFace _company_manager_face; 

DEFINE_OLD_POOL_GENERIC(Company, Company)

Company::Company(uint16 name_1, bool is_ai) : name_1(name_1), location_of_HQ(INVALID_TILE), is_ai(is_ai)
{
  for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
}

Company::~Company()
{
  free(this->name);
  free(this->president_name);
  free(this->num_engines);

  if (CleaningPool()) return;

  DeleteCompanyWindows(this->index);
  this->name_1 = 0;
}

void SetLocalCompany(CompanyID new_company)
{
  /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
  assert(IsValidCompanyID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);

  _local_company = new_company;

  /* Do not update the patches if we are in the intro GUI */
  if (IsValidCompanyID(new_company) && _game_mode != GM_MENU) {
    const Company *c = GetCompany(new_company);
    _settings_client.gui.autorenew        = c->engine_renew;
    _settings_client.gui.autorenew_months = c->engine_renew_months;
    _settings_client.gui.autorenew_money  = c->engine_renew_money;
    InvalidateWindow(WC_GAME_OPTIONS, 0);
  }
}

bool IsHumanCompany(CompanyID company)
{
  return !GetCompany(company)->is_ai;
}


uint16 GetDrawStringCompanyColor(CompanyID company)
{
  /* Get the color for DrawString-subroutines which matches the color
   * of the company */
  if (!IsValidCompanyID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOR;
  return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOR;
}

void DrawCompanyIcon(CompanyID c, int x, int y)
{
  DrawSprite(SPR_PLAYER_ICON, COMPANY_SPRITE_COLOR(c), x, y);
}

bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
{
  if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;

  GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
  bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
  bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
  bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;

  if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
  for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    switch (cmfv) {
      case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
      case CMFV_LIPS:        /* FALL THROUGH */
      case CMFV_NOSE:        if (has_moustache)    continue; break;
      case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
      case CMFV_GLASSES:     if (!has_glasses)     continue; break;
      default: break;
    }
    if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
  }

  return true;
}

void InvalidateCompanyWindows(const Company *company)
{
  CompanyID cid = company->index;

  if (cid == _local_company) InvalidateWindow(WC_STATUS_BAR, 0);
  InvalidateWindow(WC_FINANCES, cid);
}

bool CheckCompanyHasMoney(CommandCost cost)
{
  if (cost.GetCost() > 0) {
    CompanyID company = _current_company;
    if (IsValidCompanyID(company) && cost.GetCost() > GetCompany(company)->money) {
      SetDParam(0, cost.GetCost());
      _error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;
      return false;
    }
  }
  return true;
}

static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
{
  if (cost.GetCost() == 0) return;
  assert(cost.GetExpensesType() != INVALID_EXPENSES);

  c->money -= cost.GetCost();
  c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();

  if (HasBit(1 << EXPENSES_TRAIN_INC    |
             1 << EXPENSES_ROADVEH_INC  |
             1 << EXPENSES_AIRCRAFT_INC |
             1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    c->cur_economy.income -= cost.GetCost();
  } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
                    1 << EXPENSES_ROADVEH_RUN  |
                    1 << EXPENSES_AIRCRAFT_RUN |
                    1 << EXPENSES_SHIP_RUN     |
                    1 << EXPENSES_PROPERTY     |
                    1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    c->cur_economy.expenses -= cost.GetCost();
  }

  InvalidateCompanyWindows(c);
}

void SubtractMoneyFromCompany(CommandCost cost)
{
  CompanyID cid = _current_company;

  if (IsValidCompanyID(cid)) SubtractMoneyFromAnyCompany(GetCompany(cid), cost);
}

void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
{
  Company *c = GetCompany(company);
  byte m = c->money_fraction;
  Money cost = cst.GetCost();

  c->money_fraction = m - (byte)cost;
  cost >>= 8;
  if (c->money_fraction > m) cost++;
  if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
}

void GetNameOfOwner(Owner owner, TileIndex tile)
{
  SetDParam(2, owner);

  if (owner != OWNER_TOWN) {
    if (!IsValidCompanyID(owner)) {
      SetDParam(0, STR_0150_SOMEONE);
    } else {
      SetDParam(0, STR_COMPANY_NAME);
      SetDParam(1, owner);
    }
  } else {
    const Town *t = ClosestTownFromTile(tile, UINT_MAX);

    SetDParam(0, STR_TOWN);
    SetDParam(1, t->index);
  }
}


bool CheckOwnership(Owner owner)
{
  assert(owner < OWNER_END);

  if (owner == _current_company) return true;
  _error_message = STR_013B_OWNED_BY;
  GetNameOfOwner(owner, 0);
  return false;
}

bool CheckTileOwnership(TileIndex tile)
{
  Owner owner = GetTileOwner(tile);

  assert(owner < OWNER_END);

  if (owner == _current_company) return true;
  _error_message = STR_013B_OWNED_BY;

  /* no need to get the name of the owner unless we're the local company (saves some time) */
  if (IsLocalCompany()) GetNameOfOwner(owner, tile);
  return false;
}

static void GenerateCompanyName(Company *c)
{
  TileIndex tile;
  Town *t;
  StringID str;
  Company *cc;
  uint32 strp;
  char buffer[100];

  if (c->name_1 != STR_SV_UNNAMED) return;

  tile = c->last_build_coordinate;
  if (tile == 0) return;

  t = ClosestTownFromTile(tile, UINT_MAX);

  if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
    strp = t->townnameparts;

verify_name:;
    /* No companies must have this name already */
    FOR_ALL_COMPANIES(cc) {
      if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    }

    GetString(buffer, str, lastof(buffer));
    if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;

set_name:;
    c->name_1 = str;
    c->name_2 = strp;

    MarkWholeScreenDirty();

    if (!IsHumanCompany(c->index)) {
      CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
      cni->FillData(c);
      SetDParam(0, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED);
      SetDParam(1, STR_705F_STARTS_CONSTRUCTION_NEAR);
      SetDParamStr(2, cni->company_name);
      SetDParam(3, t->index);
      AddNewsItem(STR_02B6, NS_COMPANY_NEW, c->last_build_coordinate, 0, cni);
    }
    return;
  }
bad_town_name:;

  if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    str = SPECSTR_ANDCO_NAME;
    strp = c->president_name_2;
    goto set_name;
  } else {
    str = SPECSTR_ANDCO_NAME;
    strp = Random();
    goto verify_name;
  }
}

static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
static const Colours _similar_colour[COLOUR_END][2] = {
  { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
  { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
  { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
  { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
  { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
  { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
  { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
  { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
  { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
  { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
  { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
  { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
  { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
  { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
  { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
  { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
};

static byte GenerateCompanyColour()
{
  Colours colours[COLOUR_END];

  /* Initialize array */
  for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;

  /* And randomize it */
  for (uint i = 0; i < 100; i++) {
    uint r = Random();
    Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
  }

  /* Bubble sort it according to the values in table 1 */
  for (uint i = 0; i < COLOUR_END; i++) {
    for (uint j = 1; j < COLOUR_END; j++) {
      if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
        Swap(colours[j - 1], colours[j]);
      }
    }
  };

  /* Move the colors that look similar to each company's color to the side */
  Company *c;
  FOR_ALL_COMPANIES(c) {
    Colours pcolour = (Colours)c->colour;

    for (uint i = 0; i < COLOUR_END; i++) {
      if (colours[i] == pcolour) {
        colours[i] = INVALID_COLOUR;
        break;
      }
    }

    for (uint j = 0; j < 2; j++) {
      Colours similar = _similar_colour[pcolour][j];
      if (similar == INVALID_COLOUR) break;

      for (uint i = 1; i < COLOUR_END; i++) {
        if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
      }
    }
  }

  /* Return the first available color */
  for (uint i = 0; i < COLOUR_END; i++) {
    if (colours[i] != INVALID_COLOUR) return colours[i];
  }

  NOT_REACHED();
}

static void GeneratePresidentName(Company *c)
{
  Company *cc;
  char buffer[100], buffer2[40];

  for (;;) {
restart:;

    c->president_name_2 = Random();
    c->president_name_1 = SPECSTR_PRESIDENT_NAME;

    SetDParam(0, c->index);
    GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    if (strlen(buffer) >= 32 || GetStringBoundingBox(buffer).width >= 94)
      continue;

    FOR_ALL_COMPANIES(cc) {
      if (c != cc) {
        SetDParam(0, cc->index);
        GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
        if (strcmp(buffer2, buffer) == 0)
          goto restart;
      }
    }
    return;
  }
}

void ResetCompanyLivery(Company *c)
{
  for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    c->livery[scheme].in_use  = false;
    c->livery[scheme].colour1 = c->colour;
    c->livery[scheme].colour2 = c->colour;
  }
}

Company *DoStartupNewCompany(bool is_ai)
{
  if (!Company::CanAllocateItem()) return NULL;

  Company *c = new Company(STR_SV_UNNAMED, is_ai);

  memset(&_companies_ai[c->index], 0, sizeof(CompanyAI));
  memset(&_companies_ainew[c->index], 0, sizeof(CompanyAiNew));

  /* Make a color */
  c->colour = GenerateCompanyColour();
  ResetCompanyLivery(c);
  _company_colours[c->index] = c->colour;

  c->money = c->current_loan = 100000;

  _companies_ai[c->index].state = 5; // AIS_WANT_NEW_ROUTE
  c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;

  c->avail_railtypes = GetCompanyRailtypes(c->index);
  c->avail_roadtypes = GetCompanyRoadtypes(c->index);
  c->inaugurated_year = _cur_year;
  RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face

  /* Engine renewal settings */
  c->engine_renew_list = NULL;
  c->renew_keep_length = false;
  c->engine_renew = _settings_client.gui.autorenew;
  c->engine_renew_months = _settings_client.gui.autorenew_months;
  c->engine_renew_money = _settings_client.gui.autorenew_money;

  GeneratePresidentName(c);

  InvalidateWindow(WC_GRAPH_LEGEND, 0);
  InvalidateWindow(WC_TOOLBAR_MENU, 0);
  InvalidateWindow(WC_CLIENT_LIST, 0);

  if (is_ai && (!_networking || _network_server) && _ai.enabled)
    AI_StartNewAI(c->index);

  c->num_engines = CallocT<uint16>(GetEnginePoolSize());

  return c;
}

void StartupCompanies()
{
  /* The AI starts like in the setting with +2 month max */
  _next_competitor_start = _settings_game.difficulty.competitor_start_time * 90 * DAY_TICKS + RandomRange(60 * DAY_TICKS) + 1;
}

static void MaybeStartNewCompany()
{
  uint n;
  Company *c;

  /* count number of competitors */
  n = 0;
  FOR_ALL_COMPANIES(c) {
    if (c->is_ai) n++;
  }

  /* when there's a lot of computers in game, the probability that a new one starts is lower */
  if (n < (uint)_settings_game.difficulty.max_no_competitors &&
      n < (_network_server ?
        InteractiveRandomRange(_settings_game.difficulty.max_no_competitors + 2) :
        RandomRange(_settings_game.difficulty.max_no_competitors + 2)
      )) {
    /* Send a command to all clients to start up a new AI.
     * Works fine for Multiplayer and Singleplayer */
    DoCommandP(0, 1, 0, CMD_COMPANY_CTRL);
  }

  /* The next AI starts like the difficulty setting said, with +2 month max */
  _next_competitor_start = _settings_game.difficulty.competitor_start_time * 90 * DAY_TICKS + 1;
  _next_competitor_start += _network_server ? InteractiveRandomRange(60 * DAY_TICKS) : RandomRange(60 * DAY_TICKS);
}

void InitializeCompanies()
{
  _Company_pool.CleanPool();
  _Company_pool.AddBlockToPool();
  _cur_company_tick_index = 0;
}

void OnTick_Companies()
{
  if (_game_mode == GM_EDITOR) return;

  if (IsValidCompanyID((CompanyID)_cur_company_tick_index)) {
    Company *c = GetCompany((CompanyID)_cur_company_tick_index);
    if (c->name_1 != 0) GenerateCompanyName(c);

    if (AI_AllowNewAI() && _game_mode != GM_MENU && !--_next_competitor_start) {
      MaybeStartNewCompany();
    }
  }

  _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
}

void CompaniesYearlyLoop()
{
  Company *c;

  /* Copy statistics */
  FOR_ALL_COMPANIES(c) {
    memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    InvalidateWindow(WC_FINANCES, c->index);
  }

  if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    ShowCompanyFinances(_local_company);
    c = GetCompany(_local_company);
    if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
      SndPlayFx(SND_01_BAD_YEAR);
    } else {
      SndPlayFx(SND_00_GOOD_YEAR);
    }
  }
}

CommandCost CmdSetAutoReplace(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text)
{
  if (!IsValidCompanyID(_current_company)) return CMD_ERROR;

  Company *c = GetCompany(_current_company);
  switch (GB(p1, 0, 3)) {
    case 0:
      if (c->engine_renew == HasBit(p2, 0)) return CMD_ERROR;

      if (flags & DC_EXEC) {
        c->engine_renew = HasBit(p2, 0);
        if (IsLocalCompany()) {
          _settings_client.gui.autorenew = c->engine_renew;
          InvalidateWindow(WC_GAME_OPTIONS, 0);
        }
      }
      break;

    case 1:
      if (Clamp((int16)p2, -12, 12) != (int16)p2) return CMD_ERROR;
      if (c->engine_renew_months == (int16)p2) return CMD_ERROR;

      if (flags & DC_EXEC) {
        c->engine_renew_months = (int16)p2;
        if (IsLocalCompany()) {
          _settings_client.gui.autorenew_months = c->engine_renew_months;
          InvalidateWindow(WC_GAME_OPTIONS, 0);
        }
      }
      break;

    case 2:
      if (ClampU(p2, 0, 2000000) != p2) return CMD_ERROR;
      if (c->engine_renew_money == p2) return CMD_ERROR;

      if (flags & DC_EXEC) {
        c->engine_renew_money = p2;
        if (IsLocalCompany()) {
          _settings_client.gui.autorenew_money = c->engine_renew_money;
          InvalidateWindow(WC_GAME_OPTIONS, 0);
        }
      }
      break;

    case 3: {
      EngineID old_engine_type = GB(p2, 0, 16);
      EngineID new_engine_type = GB(p2, 16, 16);
      GroupID id_g = GB(p1, 16, 16);
      CommandCost cost;

      if (!IsValidGroupID(id_g) && !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
      if (new_engine_type != INVALID_ENGINE) {
        if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;

        cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
      } else {
        cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
      }

      if (IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);

      return cost;
    }

    case 4:
      if (Clamp((int16)GB(p1, 16, 16), -12, 12) != (int16)GB(p1, 16, 16)) return CMD_ERROR;
      if (ClampU(p2, 0, 2000000) != p2) return CMD_ERROR;

      if (flags & DC_EXEC) {
        c->engine_renew = HasBit(p1, 15);
        c->engine_renew_months = (int16)GB(p1, 16, 16);
        c->engine_renew_money = p2;

        if (IsLocalCompany()) {
          _settings_client.gui.autorenew = c->engine_renew;
          _settings_client.gui.autorenew_months = c->engine_renew_months;
          _settings_client.gui.autorenew_money = c->engine_renew_money;
          InvalidateWindow(WC_GAME_OPTIONS, 0);
        }
      }
      break;

    case 5:
      if (c->renew_keep_length == HasBit(p2, 0)) return CMD_ERROR;

      if (flags & DC_EXEC) {
        c->renew_keep_length = HasBit(p2, 0);
        if (IsLocalCompany()) {
          InvalidateWindow(WC_REPLACE_VEHICLE, VEH_TRAIN);
        }
      }
    break;
  }

  return CommandCost();
}

void CompanyNewsInformation::FillData(const Company *c, const Company *other)
{
  SetDParam(0, c->index);
  GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));

  if (other == NULL) {
    *this->other_company_name = '\0';
  } else {
    SetDParam(0, other->index);
    GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    c = other;
  }

  SetDParam(0, c->index);
  GetString(this->president_name, STR_7058_PRESIDENT, lastof(this->president_name));

  this->colour = c->colour;
  this->face = c->face;

}

CommandCost CmdCompanyCtrl(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text)
{
  if (flags & DC_EXEC) _current_company = OWNER_NONE;

  InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);

  switch (p1) {
    case 0: { /* Create a new company */
      /* This command is only executed in a multiplayer game */
      if (!_networking) return CMD_ERROR;

#ifdef ENABLE_NETWORK

      /* Joining Client:
      * _local_company: COMPANY_SPECTATOR
      * _network_playas/cid = requested company/clientid
      *
      * Other client(s)/server:
      * _local_company/_network_playas: what they play as
      * cid = requested company/company of joining client */
      ClientID cid = (ClientID)p2;

      /* Has the network client a correct ClientIndex? */
      if (!(flags & DC_EXEC)) return CommandCost();
      NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
      if (ci == NULL) return CommandCost();

      /* Delete multiplayer progress bar */
      DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);

      Company *c = DoStartupNewCompany(false);

      /* A new company could not be created, revert to being a spectator */
      if (c == NULL) {
        if (_network_server) {
          ci->client_playas = COMPANY_SPECTATOR;
          NetworkUpdateClientInfo(ci->client_id);
        } else if (_local_company == COMPANY_SPECTATOR) {
          _network_playas = COMPANY_SPECTATOR;
        }
        break;
      }

      /* This is the joining client who wants a new company */
      if (_local_company != _network_playas && _network_playas == c->index) {
        assert(_local_company == COMPANY_SPECTATOR);
        SetLocalCompany(c->index);
        if (!StrEmpty(_settings_client.network.default_company_pass)) {
          char *password = _settings_client.network.default_company_pass;
          NetworkChangeCompanyPassword(1, &password);
        }

        _current_company = _local_company;

        /* Now that we have a new company, broadcast our autorenew settings to
        * all clients so everything is in sync */
        NetworkSend_Command(0,
          (_settings_client.gui.autorenew << 15 ) | (_settings_client.gui.autorenew_months << 16) | 4,
          _settings_client.gui.autorenew_money,
          CMD_SET_AUTOREPLACE,
          NULL,
          NULL
        );

        MarkWholeScreenDirty();
      }

      if (_network_server) {
        /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
        * server-side in network_server.c:838, function
        * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
        ci->client_playas = c->index;
        NetworkUpdateClientInfo(ci->client_id);

        if (IsValidCompanyID(ci->client_playas)) {
          CompanyID company_backup = _local_company;
          _network_company_states[c->index].months_empty = 0;

          /* XXX - When a client joins, we automatically set its name to the
          * client's name (for some reason). As it stands now only the server
          * knows the client's name, so it needs to send out a "broadcast" to
          * do this. To achieve this we send a network command. However, it
          * uses _local_company to execute the command as.  To prevent abuse
          * (eg. only yourself can change your name/company), we 'cheat' by
          * impersonation _local_company as the server. Not the best solution;
          * but it works.
          * TODO: Perhaps this could be improved by when the client is ready
          * with joining to let it send itself the command, and not the server?
          * For example in network_client.c:534? */
          _local_company = ci->client_playas;
          NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name);
          _local_company = company_backup;
        }
      }
#endif /* ENABLE_NETWORK */
    } break;

    case 1: /* Make a new AI company */
      if (!(flags & DC_EXEC)) return CommandCost();

      DoStartupNewCompany(true);
      break;

    case 2: { /* Delete a company */
      Company *c;

      if (!IsValidCompanyID((CompanyID)p2)) return CMD_ERROR;

      if (!(flags & DC_EXEC)) return CommandCost();

      c = GetCompany((CompanyID)p2);

      /* Only allow removal of HUMAN companies */
      if (IsHumanCompany(c->index)) {
        /* Delete any open window of the company */
        DeleteCompanyWindows(c->index);

        CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
        cni->FillData(c);

        /* Show the bankrupt news */
        SetDParam(0, STR_705C_BANKRUPT);
        SetDParam(1, STR_705D_HAS_BEEN_CLOSED_DOWN_BY);
        SetDParamStr(2, cni->company_name);
        AddNewsItem(STR_02B6, NS_COMPANY_BANKRUPT, 0, 0, cni);

        /* Remove the company */
        ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);

        delete c;
      }
    } break;

    case 3: { /* Merge a company (#1) into another company (#2), elimination company #1 */
      CompanyID cid_old = (CompanyID)GB(p2,  0, 16);
      CompanyID cid_new = (CompanyID)GB(p2, 16, 16);

      if (!IsValidCompanyID(cid_old) || !IsValidCompanyID(cid_new)) return CMD_ERROR;

      if (!(flags & DC_EXEC)) return CMD_ERROR;

      ChangeOwnershipOfCompanyItems(cid_old, cid_new);
      delete GetCompany(cid_old);
    } break;

    default: return CMD_ERROR;
  }

  return CommandCost();
}