company_cmd.cpp

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00001 /* $Id: company_cmd.cpp 18330 2009-11-28 20:35:25Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "engine_base.h"
00014 #include "company_func.h"
00015 #include "company_gui.h"
00016 #include "town.h"
00017 #include "news_func.h"
00018 #include "command_func.h"
00019 #include "network/network.h"
00020 #include "network/network_func.h"
00021 #include "network/network_base.h"
00022 #include "ai/ai.hpp"
00023 #include "company_manager_face.h"
00024 #include "group.h"
00025 #include "window_func.h"
00026 #include "strings_func.h"
00027 #include "gfx_func.h"
00028 #include "date_func.h"
00029 #include "sound_func.h"
00030 #include "autoreplace_func.h"
00031 #include "autoreplace_gui.h"
00032 #include "rail.h"
00033 #include "core/pool_func.hpp"
00034 #include "settings_func.h"
00035 
00036 #include "table/strings.h"
00037 
00038 CompanyByte _local_company;
00039 CompanyByte _current_company;
00040 /* NOSAVE: can be determined from company structs */
00041 Colours _company_colours[MAX_COMPANIES];
00042 CompanyManagerFace _company_manager_face; 
00043 uint _next_competitor_start;              
00044 uint _cur_company_tick_index;             
00045 
00046 CompanyPool _company_pool("Company");
00047 INSTANTIATE_POOL_METHODS(Company)
00048 
00049 Company::Company(uint16 name_1, bool is_ai) :
00050   name_1(name_1),
00051   location_of_HQ(INVALID_TILE),
00052   is_ai(is_ai)
00053 {
00054   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
00055   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
00056 }
00057 
00058 Company::~Company()
00059 {
00060   free(this->name);
00061   free(this->president_name);
00062   free(this->num_engines);
00063 
00064   if (CleaningPool()) return;
00065 
00066   DeleteCompanyWindows(this->index);
00067 }
00068 
00073 void Company::PostDestructor(size_t index)
00074 {
00075   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
00076   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
00077   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00078 }
00079 
00086 void SetLocalCompany(CompanyID new_company)
00087 {
00088   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
00089   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
00090 
00091 #ifdef ENABLE_NETWORK
00092   /* Delete the chat window, if you were team chatting. */
00093   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
00094 #endif
00095 
00096   _local_company = new_company;
00097 
00098   /* Delete any construction windows... */
00099   DeleteConstructionWindows();
00100 
00101   /* ... and redraw the whole screen. */
00102   MarkWholeScreenDirty();
00103 }
00104 
00105 uint16 GetDrawStringCompanyColour(CompanyID company)
00106 {
00107   /* Get the colour for DrawString-subroutines which matches the colour
00108    * of the company */
00109   if (!Company::IsValidID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
00110   return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
00111 }
00112 
00113 void DrawCompanyIcon(CompanyID c, int x, int y)
00114 {
00115   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
00116 }
00117 
00124 bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
00125 {
00126   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
00127 
00128   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
00129   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
00130   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
00131   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
00132 
00133   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
00134   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
00135     switch (cmfv) {
00136       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
00137       case CMFV_LIPS:        // FALL THROUGH
00138       case CMFV_NOSE:        if (has_moustache)    continue; break;
00139       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
00140       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
00141       default: break;
00142     }
00143     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
00144   }
00145 
00146   return true;
00147 }
00148 
00149 void InvalidateCompanyWindows(const Company *company)
00150 {
00151   CompanyID cid = company->index;
00152 
00153   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
00154   SetWindowDirty(WC_FINANCES, cid);
00155 }
00156 
00157 bool CheckCompanyHasMoney(CommandCost cost)
00158 {
00159   if (cost.GetCost() > 0) {
00160     const Company *c = Company::GetIfValid(_current_company);
00161     if (c != NULL && cost.GetCost() > c->money) {
00162       SetDParam(0, cost.GetCost());
00163       _error_message = STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY;
00164       return false;
00165     }
00166   }
00167   return true;
00168 }
00169 
00170 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
00171 {
00172   if (cost.GetCost() == 0) return;
00173   assert(cost.GetExpensesType() != INVALID_EXPENSES);
00174 
00175   c->money -= cost.GetCost();
00176   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
00177 
00178   if (HasBit(1 << EXPENSES_TRAIN_INC    |
00179              1 << EXPENSES_ROADVEH_INC  |
00180              1 << EXPENSES_AIRCRAFT_INC |
00181              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
00182     c->cur_economy.income -= cost.GetCost();
00183   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
00184                     1 << EXPENSES_ROADVEH_RUN  |
00185                     1 << EXPENSES_AIRCRAFT_RUN |
00186                     1 << EXPENSES_SHIP_RUN     |
00187                     1 << EXPENSES_PROPERTY     |
00188                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
00189     c->cur_economy.expenses -= cost.GetCost();
00190   }
00191 
00192   InvalidateCompanyWindows(c);
00193 }
00194 
00195 void SubtractMoneyFromCompany(CommandCost cost)
00196 {
00197   Company *c = Company::GetIfValid(_current_company);
00198   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
00199 }
00200 
00201 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
00202 {
00203   Company *c = Company::Get(company);
00204   byte m = c->money_fraction;
00205   Money cost = cst.GetCost();
00206 
00207   c->money_fraction = m - (byte)cost;
00208   cost >>= 8;
00209   if (c->money_fraction > m) cost++;
00210   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
00211 }
00212 
00213 void GetNameOfOwner(Owner owner, TileIndex tile)
00214 {
00215   SetDParam(2, owner);
00216 
00217   if (owner != OWNER_TOWN) {
00218     if (!Company::IsValidID(owner)) {
00219       SetDParam(0, STR_COMPANY_SOMEONE);
00220     } else {
00221       SetDParam(0, STR_COMPANY_NAME);
00222       SetDParam(1, owner);
00223     }
00224   } else {
00225     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
00226 
00227     SetDParam(0, STR_TOWN_NAME);
00228     SetDParam(1, t->index);
00229   }
00230 }
00231 
00232 
00233 bool CheckOwnership(Owner owner)
00234 {
00235   assert(owner < OWNER_END);
00236 
00237   if (owner == _current_company) return true;
00238   _error_message = STR_ERROR_OWNED_BY;
00239   GetNameOfOwner(owner, 0);
00240   return false;
00241 }
00242 
00243 bool CheckTileOwnership(TileIndex tile)
00244 {
00245   Owner owner = GetTileOwner(tile);
00246 
00247   assert(owner < OWNER_END);
00248 
00249   if (owner == _current_company) return true;
00250   _error_message = STR_ERROR_OWNED_BY;
00251 
00252   /* no need to get the name of the owner unless we're the local company (saves some time) */
00253   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
00254   return false;
00255 }
00256 
00257 static void GenerateCompanyName(Company *c)
00258 {
00259   TileIndex tile;
00260   Town *t;
00261   StringID str;
00262   Company *cc;
00263   uint32 strp;
00264   /* Reserve space for extra unicode character. We need to do this to be able
00265    * to detect too long company name. */
00266   char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
00267 
00268   if (c->name_1 != STR_SV_UNNAMED) return;
00269 
00270   tile = c->last_build_coordinate;
00271   if (tile == 0) return;
00272 
00273   t = ClosestTownFromTile(tile, UINT_MAX);
00274 
00275   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
00276     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
00277     strp = t->townnameparts;
00278 
00279 verify_name:;
00280     /* No companies must have this name already */
00281     FOR_ALL_COMPANIES(cc) {
00282       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
00283     }
00284 
00285     GetString(buffer, str, lastof(buffer));
00286     if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
00287 
00288 set_name:;
00289     c->name_1 = str;
00290     c->name_2 = strp;
00291 
00292     MarkWholeScreenDirty();
00293 
00294     if (c->is_ai) {
00295       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00296       cni->FillData(c);
00297       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
00298       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
00299       SetDParamStr(2, cni->company_name);
00300       SetDParam(3, t->index);
00301       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
00302     }
00303     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
00304     return;
00305   }
00306 bad_town_name:;
00307 
00308   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
00309     str = SPECSTR_ANDCO_NAME;
00310     strp = c->president_name_2;
00311     goto set_name;
00312   } else {
00313     str = SPECSTR_ANDCO_NAME;
00314     strp = Random();
00315     goto verify_name;
00316   }
00317 }
00318 
00319 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
00320 static const Colours _similar_colour[COLOUR_END][2] = {
00321   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
00322   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
00323   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
00324   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
00325   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
00326   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
00327   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
00328   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
00329   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
00330   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
00331   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
00332   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
00333   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
00334   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
00335   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
00336   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
00337 };
00338 
00339 static Colours GenerateCompanyColour()
00340 {
00341   Colours colours[COLOUR_END];
00342 
00343   /* Initialize array */
00344   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
00345 
00346   /* And randomize it */
00347   for (uint i = 0; i < 100; i++) {
00348     uint r = Random();
00349     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
00350   }
00351 
00352   /* Bubble sort it according to the values in table 1 */
00353   for (uint i = 0; i < COLOUR_END; i++) {
00354     for (uint j = 1; j < COLOUR_END; j++) {
00355       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
00356         Swap(colours[j - 1], colours[j]);
00357       }
00358     }
00359   };
00360 
00361   /* Move the colours that look similar to each company's colour to the side */
00362   Company *c;
00363   FOR_ALL_COMPANIES(c) {
00364     Colours pcolour = (Colours)c->colour;
00365 
00366     for (uint i = 0; i < COLOUR_END; i++) {
00367       if (colours[i] == pcolour) {
00368         colours[i] = INVALID_COLOUR;
00369         break;
00370       }
00371     }
00372 
00373     for (uint j = 0; j < 2; j++) {
00374       Colours similar = _similar_colour[pcolour][j];
00375       if (similar == INVALID_COLOUR) break;
00376 
00377       for (uint i = 1; i < COLOUR_END; i++) {
00378         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
00379       }
00380     }
00381   }
00382 
00383   /* Return the first available colour */
00384   for (uint i = 0; i < COLOUR_END; i++) {
00385     if (colours[i] != INVALID_COLOUR) return colours[i];
00386   }
00387 
00388   NOT_REACHED();
00389 }
00390 
00391 static void GeneratePresidentName(Company *c)
00392 {
00393   for (;;) {
00394 restart:;
00395     c->president_name_2 = Random();
00396     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
00397 
00398     /* Reserve space for extra unicode character. We need to do this to be able
00399      * to detect too long president name. */
00400     char buffer[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
00401     SetDParam(0, c->index);
00402     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
00403     if (strlen(buffer) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) continue;
00404 
00405     Company *cc;
00406     FOR_ALL_COMPANIES(cc) {
00407       if (c != cc) {
00408         /* Reserve extra space so even overlength president names can be compared. */
00409         char buffer2[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
00410         SetDParam(0, cc->index);
00411         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
00412         if (strcmp(buffer2, buffer) == 0) goto restart;
00413       }
00414     }
00415     return;
00416   }
00417 }
00418 
00419 void ResetCompanyLivery(Company *c)
00420 {
00421   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
00422     c->livery[scheme].in_use  = false;
00423     c->livery[scheme].colour1 = c->colour;
00424     c->livery[scheme].colour2 = c->colour;
00425   }
00426 }
00427 
00435 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
00436 {
00437   if (!Company::CanAllocateItem()) return NULL;
00438 
00439   /* we have to generate colour before this company is valid */
00440   Colours colour = GenerateCompanyColour();
00441 
00442   Company *c;
00443   if (company == INVALID_COMPANY) {
00444     c = new Company(STR_SV_UNNAMED, is_ai);
00445   } else {
00446     if (Company::IsValidID(company)) return NULL;
00447     c = new (company) Company(STR_SV_UNNAMED, is_ai);
00448   }
00449 
00450   c->colour = colour;
00451 
00452   ResetCompanyLivery(c);
00453   _company_colours[c->index] = (Colours)c->colour;
00454 
00455   c->money = c->current_loan = 100000;
00456 
00457   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
00458 
00459   c->avail_railtypes = GetCompanyRailtypes(c->index);
00460   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
00461   c->inaugurated_year = _cur_year;
00462   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
00463 
00464   SetDefaultCompanySettings(c->index);
00465 
00466   GeneratePresidentName(c);
00467 
00468   SetWindowDirty(WC_GRAPH_LEGEND, 0);
00469   SetWindowDirty(WC_TOOLBAR_MENU, 0);
00470   SetWindowDirty(WC_CLIENT_LIST, 0);
00471 
00472   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
00473 
00474   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
00475 
00476   return c;
00477 }
00478 
00479 void StartupCompanies()
00480 {
00481   _next_competitor_start = 0;
00482 }
00483 
00484 static void MaybeStartNewCompany()
00485 {
00486 #ifdef ENABLE_NETWORK
00487   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
00488 #endif /* ENABLE_NETWORK */
00489 
00490   Company *c;
00491 
00492   /* count number of competitors */
00493   uint n = 0;
00494   FOR_ALL_COMPANIES(c) {
00495     if (c->is_ai) n++;
00496   }
00497 
00498   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
00499     /* Send a command to all clients to start up a new AI.
00500      * Works fine for Multiplayer and Singleplayer */
00501     DoCommandP(0, 1, INVALID_COMPANY, CMD_COMPANY_CTRL);
00502   }
00503 }
00504 
00505 void InitializeCompanies()
00506 {
00507   _company_pool.CleanPool();
00508   _cur_company_tick_index = 0;
00509 }
00510 
00520 static void HandleBankruptcyTakeover(Company *c)
00521 {
00522   /* Amount of time out for each company to take over a company;
00523    * Timeout is a quarter (3 months of 30 days) divided over the
00524    * number of companies. The minimum number of days in a quarter
00525    * is 90: 31 in January, 28 in February and 31 in March.
00526    * Note that the company going bankrupt can't buy itself. */
00527   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
00528 
00529   assert(c->bankrupt_asked != 0);
00530 
00531   /* We're currently asking some company to buy 'us' */
00532   if (c->bankrupt_timeout != 0) {
00533     c->bankrupt_timeout -= MAX_COMPANIES;
00534     if (c->bankrupt_timeout > 0) return;
00535     c->bankrupt_timeout = 0;
00536 
00537     return;
00538   }
00539 
00540   /* Did we ask everyone for bankruptcy? If so, bail out. */
00541   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
00542 
00543   Company *c2, *best = NULL;
00544   int32 best_performance = -1;
00545 
00546   /* Ask the company with the highest performance history first */
00547   FOR_ALL_COMPANIES(c2) {
00548     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
00549         !HasBit(c->bankrupt_asked, c2->index) &&
00550         best_performance < c2->old_economy[1].performance_history) {
00551       best_performance = c2->old_economy[1].performance_history;
00552       best = c2;
00553     }
00554   }
00555 
00556   /* Asked all companies? */
00557   if (best_performance == -1) {
00558     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00559     return;
00560   }
00561 
00562   SetBit(c->bankrupt_asked, best->index);
00563 
00564   if (IsInteractiveCompany(best->index)) {
00565     c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
00566     ShowBuyCompanyDialog(c->index);
00567     return;
00568   }
00569 
00570   if (best->is_ai) {
00571     AI::NewEvent(best->index, new AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
00572   }
00573 }
00574 
00575 void OnTick_Companies()
00576 {
00577   if (_game_mode == GM_EDITOR) return;
00578 
00579   Company *c = Company::GetIfValid(_cur_company_tick_index);
00580   if (c != NULL) {
00581     if (c->name_1 != 0) GenerateCompanyName(c);
00582     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
00583   }
00584 
00585   if (_next_competitor_start == 0) {
00586     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
00587   }
00588 
00589   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
00590     MaybeStartNewCompany();
00591   }
00592 
00593   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
00594 }
00595 
00596 void CompaniesYearlyLoop()
00597 {
00598   Company *c;
00599 
00600   /* Copy statistics */
00601   FOR_ALL_COMPANIES(c) {
00602     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
00603     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
00604     SetWindowDirty(WC_FINANCES, c->index);
00605   }
00606 
00607   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
00608     ShowCompanyFinances(_local_company);
00609     c = Company::Get(_local_company);
00610     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
00611       SndPlayFx(SND_01_BAD_YEAR);
00612     } else {
00613       SndPlayFx(SND_00_GOOD_YEAR);
00614     }
00615   }
00616 }
00617 
00629 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00630 {
00631   Company *c = Company::GetIfValid(_current_company);
00632   if (c == NULL) return CMD_ERROR;
00633 
00634   EngineID old_engine_type = GB(p2, 0, 16);
00635   EngineID new_engine_type = GB(p2, 16, 16);
00636   GroupID id_g = GB(p1, 16, 16);
00637   CommandCost cost;
00638 
00639   if (!Group::IsValidID(id_g) && !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
00640   if (new_engine_type != INVALID_ENGINE) {
00641     if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;
00642 
00643     cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
00644   } else {
00645     cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
00646   }
00647 
00648   if (IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);
00649 
00650   return cost;
00651 }
00652 
00658 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
00659 {
00660   SetDParam(0, c->index);
00661   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
00662 
00663   if (other == NULL) {
00664     *this->other_company_name = '\0';
00665   } else {
00666     SetDParam(0, other->index);
00667     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
00668     c = other;
00669   }
00670 
00671   SetDParam(0, c->index);
00672   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
00673 
00674   this->colour = c->colour;
00675   this->face = c->face;
00676 
00677 }
00678 
00700 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00701 {
00702   if (flags & DC_EXEC) _current_company = OWNER_NONE;
00703 
00704   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00705 
00706   switch (p1) {
00707     case 0: { // Create a new company
00708       /* This command is only executed in a multiplayer game */
00709       if (!_networking) return CMD_ERROR;
00710 
00711 #ifdef ENABLE_NETWORK
00712 
00713       /* Joining Client:
00714        * _local_company: COMPANY_SPECTATOR
00715        * cid = clientid
00716        *
00717        * Other client(s)/server:
00718        * _local_company: what they play as
00719        * cid = requested company/company of joining client */
00720       ClientID cid = (ClientID)p2;
00721 
00722       /* Has the network client a correct ClientIndex? */
00723       if (!(flags & DC_EXEC)) return CommandCost();
00724       NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
00725       if (ci == NULL) return CommandCost();
00726 
00727       /* Delete multiplayer progress bar */
00728       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00729 
00730       Company *c = DoStartupNewCompany(false);
00731 
00732       /* A new company could not be created, revert to being a spectator */
00733       if (c == NULL) {
00734         if (_network_server) {
00735           ci->client_playas = COMPANY_SPECTATOR;
00736           NetworkUpdateClientInfo(ci->client_id);
00737         }
00738         break;
00739       }
00740 
00741       /* This is the client (or non-dedicated server) who wants a new company */
00742       if (cid == _network_own_client_id) {
00743         assert(_local_company == COMPANY_SPECTATOR);
00744         SetLocalCompany(c->index);
00745         if (!StrEmpty(_settings_client.network.default_company_pass)) {
00746           char *password = _settings_client.network.default_company_pass;
00747           NetworkChangeCompanyPassword(1, &password);
00748         }
00749 
00750         _current_company = _local_company;
00751 
00752         /* Now that we have a new company, broadcast our company settings to
00753          * all clients so everything is in sync */
00754         SyncCompanySettings();
00755 
00756         MarkWholeScreenDirty();
00757       }
00758 
00759       if (_network_server) {
00760         /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
00761          * server side in network_server.c:838, function
00762          * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
00763         CompanyID old_playas = ci->client_playas;
00764         ci->client_playas = c->index;
00765         NetworkUpdateClientInfo(ci->client_id);
00766 
00767         if (Company::IsValidID(ci->client_playas)) {
00768           CompanyID company_backup = _local_company;
00769           _network_company_states[c->index].months_empty = 0;
00770           _network_company_states[c->index].password[0] = '\0';
00771           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
00772 
00773           /* XXX - When a client joins, we automatically set its name to the
00774            * client's name (for some reason). As it stands now only the server
00775            * knows the client's name, so it needs to send out a "broadcast" to
00776            * do this. To achieve this we send a network command. However, it
00777            * uses _local_company to execute the command as.  To prevent abuse
00778            * (eg. only yourself can change your name/company), we 'cheat' by
00779            * impersonation _local_company as the server. Not the best solution;
00780            * but it works.
00781            * TODO: Perhaps this could be improved by when the client is ready
00782            * with joining to let it send itself the command, and not the server?
00783            * For example in network_client.c:534? */
00784           _local_company = ci->client_playas;
00785           NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name);
00786           _local_company = company_backup;
00787         }
00788 
00789         /* Announce new company on network, if the client was a SPECTATOR before */
00790         if (old_playas == COMPANY_SPECTATOR) {
00791           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
00792         }
00793       }
00794 #endif /* ENABLE_NETWORK */
00795     } break;
00796 
00797     case 1: // Make a new AI company
00798       if (!(flags & DC_EXEC)) return CommandCost();
00799 
00800       if (p2 != INVALID_COMPANY && (p2 >= MAX_COMPANIES || Company::IsValidID(p2))) return CMD_ERROR;
00801       DoStartupNewCompany(true, (CompanyID)p2);
00802       break;
00803 
00804     case 2: { // Delete a company
00805       Company *c = Company::GetIfValid(p2);
00806       if (c == NULL) return CMD_ERROR;
00807 
00808       if (!(flags & DC_EXEC)) return CommandCost();
00809 
00810       /* Delete any open window of the company */
00811       DeleteCompanyWindows(c->index);
00812       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00813       cni->FillData(c);
00814 
00815       /* Show the bankrupt news */
00816       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00817       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00818       SetDParamStr(2, cni->company_name);
00819       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
00820 
00821       /* Remove the company */
00822       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00823       if (c->is_ai) AI::Stop(c->index);
00824 
00825       CompanyID c_index = c->index;
00826       delete c;
00827       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
00828     } break;
00829 
00830     default: return CMD_ERROR;
00831   }
00832 
00833   return CommandCost();
00834 }

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