company_cmd.cpp

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00001 /* $Id: company_cmd.cpp 19376 2010-03-08 22:19:39Z 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 #include "vehicle_base.h"
00036 #include "vehicle_func.h"
00037 #include "sprite.h"
00038 
00039 #include "table/strings.h"
00040 
00041 CompanyByte _local_company;
00042 CompanyByte _current_company;
00043 /* NOSAVE: can be determined from company structs */
00044 Colours _company_colours[MAX_COMPANIES];
00045 CompanyManagerFace _company_manager_face; 
00046 uint _next_competitor_start;              
00047 uint _cur_company_tick_index;             
00048 
00049 CompanyPool _company_pool("Company");
00050 INSTANTIATE_POOL_METHODS(Company)
00051 
00052 Company::Company(uint16 name_1, bool is_ai) :
00053   name_1(name_1),
00054   location_of_HQ(INVALID_TILE),
00055   is_ai(is_ai)
00056 {
00057   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
00058   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
00059 }
00060 
00061 Company::~Company()
00062 {
00063   free(this->name);
00064   free(this->president_name);
00065   free(this->num_engines);
00066 
00067   if (CleaningPool()) return;
00068 
00069   DeleteCompanyWindows(this->index);
00070 }
00071 
00076 void Company::PostDestructor(size_t index)
00077 {
00078   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
00079   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
00080   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00081   /* If the currently shown error message has this company in it, the close it. */
00082   InvalidateWindowData(WC_ERRMSG, 0);
00083 }
00084 
00091 void SetLocalCompany(CompanyID new_company)
00092 {
00093   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
00094   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
00095 
00096 #ifdef ENABLE_NETWORK
00097   /* Delete the chat window, if you were team chatting. */
00098   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
00099 #endif
00100 
00101   _local_company = new_company;
00102 
00103   /* Delete any construction windows... */
00104   DeleteConstructionWindows();
00105 
00106   /* ... and redraw the whole screen. */
00107   MarkWholeScreenDirty();
00108 }
00109 
00110 uint16 GetDrawStringCompanyColour(CompanyID company)
00111 {
00112   /* Get the colour for DrawString-subroutines which matches the colour
00113    * of the company */
00114   if (!Company::IsValidID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
00115   return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
00116 }
00117 
00118 void DrawCompanyIcon(CompanyID c, int x, int y)
00119 {
00120   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
00121 }
00122 
00129 bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
00130 {
00131   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
00132 
00133   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
00134   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
00135   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
00136   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
00137 
00138   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
00139   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
00140     switch (cmfv) {
00141       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
00142       case CMFV_LIPS:        // FALL THROUGH
00143       case CMFV_NOSE:        if (has_moustache)    continue; break;
00144       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
00145       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
00146       default: break;
00147     }
00148     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
00149   }
00150 
00151   return true;
00152 }
00153 
00154 void InvalidateCompanyWindows(const Company *company)
00155 {
00156   CompanyID cid = company->index;
00157 
00158   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
00159   SetWindowDirty(WC_FINANCES, cid);
00160 }
00161 
00162 bool CheckCompanyHasMoney(CommandCost &cost)
00163 {
00164   if (cost.GetCost() > 0) {
00165     const Company *c = Company::GetIfValid(_current_company);
00166     if (c != NULL && cost.GetCost() > c->money) {
00167       SetDParam(0, cost.GetCost());
00168       cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
00169       return false;
00170     }
00171   }
00172   return true;
00173 }
00174 
00175 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
00176 {
00177   if (cost.GetCost() == 0) return;
00178   assert(cost.GetExpensesType() != INVALID_EXPENSES);
00179 
00180   c->money -= cost.GetCost();
00181   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
00182 
00183   if (HasBit(1 << EXPENSES_TRAIN_INC    |
00184              1 << EXPENSES_ROADVEH_INC  |
00185              1 << EXPENSES_AIRCRAFT_INC |
00186              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
00187     c->cur_economy.income -= cost.GetCost();
00188   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
00189                     1 << EXPENSES_ROADVEH_RUN  |
00190                     1 << EXPENSES_AIRCRAFT_RUN |
00191                     1 << EXPENSES_SHIP_RUN     |
00192                     1 << EXPENSES_PROPERTY     |
00193                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
00194     c->cur_economy.expenses -= cost.GetCost();
00195   }
00196 
00197   InvalidateCompanyWindows(c);
00198 }
00199 
00200 void SubtractMoneyFromCompany(CommandCost cost)
00201 {
00202   Company *c = Company::GetIfValid(_current_company);
00203   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
00204 }
00205 
00206 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
00207 {
00208   Company *c = Company::Get(company);
00209   byte m = c->money_fraction;
00210   Money cost = cst.GetCost();
00211 
00212   c->money_fraction = m - (byte)cost;
00213   cost >>= 8;
00214   if (c->money_fraction > m) cost++;
00215   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
00216 }
00217 
00224 void GetNameOfOwner(Owner owner, TileIndex tile)
00225 {
00226   SetDParam(2, owner);
00227 
00228   if (owner != OWNER_TOWN) {
00229     if (!Company::IsValidID(owner)) {
00230       SetDParam(0, STR_COMPANY_SOMEONE);
00231     } else {
00232       SetDParam(0, STR_COMPANY_NAME);
00233       SetDParam(1, owner);
00234     }
00235   } else {
00236     assert(tile != 0);
00237     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
00238 
00239     SetDParam(0, STR_TOWN_NAME);
00240     SetDParam(1, t->index);
00241   }
00242 }
00243 
00244 
00253 bool CheckOwnership(Owner owner, TileIndex tile)
00254 {
00255   assert(owner < OWNER_END);
00256   assert(owner != OWNER_TOWN || tile != 0);
00257 
00258   if (owner == _current_company) return true;
00259   _error_message = STR_ERROR_OWNED_BY;
00260   GetNameOfOwner(owner, tile);
00261   return false;
00262 }
00263 
00271 bool CheckTileOwnership(TileIndex tile)
00272 {
00273   Owner owner = GetTileOwner(tile);
00274 
00275   assert(owner < OWNER_END);
00276 
00277   if (owner == _current_company) return true;
00278   _error_message = STR_ERROR_OWNED_BY;
00279 
00280   /* no need to get the name of the owner unless we're the local company (saves some time) */
00281   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
00282   return false;
00283 }
00284 
00285 static void GenerateCompanyName(Company *c)
00286 {
00287   TileIndex tile;
00288   Town *t;
00289   StringID str;
00290   Company *cc;
00291   uint32 strp;
00292   /* Reserve space for extra unicode character. We need to do this to be able
00293    * to detect too long company name. */
00294   char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
00295 
00296   if (c->name_1 != STR_SV_UNNAMED) return;
00297 
00298   tile = c->last_build_coordinate;
00299   if (tile == 0) return;
00300 
00301   t = ClosestTownFromTile(tile, UINT_MAX);
00302 
00303   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
00304     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
00305     strp = t->townnameparts;
00306 
00307 verify_name:;
00308     /* No companies must have this name already */
00309     FOR_ALL_COMPANIES(cc) {
00310       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
00311     }
00312 
00313     GetString(buffer, str, lastof(buffer));
00314     if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
00315 
00316 set_name:;
00317     c->name_1 = str;
00318     c->name_2 = strp;
00319 
00320     MarkWholeScreenDirty();
00321 
00322     if (c->is_ai) {
00323       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00324       cni->FillData(c);
00325       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
00326       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
00327       SetDParamStr(2, cni->company_name);
00328       SetDParam(3, t->index);
00329       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
00330     }
00331     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
00332     return;
00333   }
00334 bad_town_name:;
00335 
00336   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
00337     str = SPECSTR_ANDCO_NAME;
00338     strp = c->president_name_2;
00339     goto set_name;
00340   } else {
00341     str = SPECSTR_ANDCO_NAME;
00342     strp = Random();
00343     goto verify_name;
00344   }
00345 }
00346 
00347 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
00348 static const Colours _similar_colour[COLOUR_END][2] = {
00349   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
00350   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
00351   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
00352   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
00353   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
00354   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
00355   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
00356   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
00357   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
00358   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
00359   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
00360   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
00361   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
00362   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
00363   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
00364   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
00365 };
00366 
00367 static Colours GenerateCompanyColour()
00368 {
00369   Colours colours[COLOUR_END];
00370 
00371   /* Initialize array */
00372   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
00373 
00374   /* And randomize it */
00375   for (uint i = 0; i < 100; i++) {
00376     uint r = Random();
00377     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
00378   }
00379 
00380   /* Bubble sort it according to the values in table 1 */
00381   for (uint i = 0; i < COLOUR_END; i++) {
00382     for (uint j = 1; j < COLOUR_END; j++) {
00383       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
00384         Swap(colours[j - 1], colours[j]);
00385       }
00386     }
00387   };
00388 
00389   /* Move the colours that look similar to each company's colour to the side */
00390   Company *c;
00391   FOR_ALL_COMPANIES(c) {
00392     Colours pcolour = (Colours)c->colour;
00393 
00394     for (uint i = 0; i < COLOUR_END; i++) {
00395       if (colours[i] == pcolour) {
00396         colours[i] = INVALID_COLOUR;
00397         break;
00398       }
00399     }
00400 
00401     for (uint j = 0; j < 2; j++) {
00402       Colours similar = _similar_colour[pcolour][j];
00403       if (similar == INVALID_COLOUR) break;
00404 
00405       for (uint i = 1; i < COLOUR_END; i++) {
00406         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
00407       }
00408     }
00409   }
00410 
00411   /* Return the first available colour */
00412   for (uint i = 0; i < COLOUR_END; i++) {
00413     if (colours[i] != INVALID_COLOUR) return colours[i];
00414   }
00415 
00416   NOT_REACHED();
00417 }
00418 
00419 static void GeneratePresidentName(Company *c)
00420 {
00421   for (;;) {
00422 restart:;
00423     c->president_name_2 = Random();
00424     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
00425 
00426     /* Reserve space for extra unicode character. We need to do this to be able
00427      * to detect too long president name. */
00428     char buffer[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
00429     SetDParam(0, c->index);
00430     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
00431     if (strlen(buffer) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) continue;
00432 
00433     Company *cc;
00434     FOR_ALL_COMPANIES(cc) {
00435       if (c != cc) {
00436         /* Reserve extra space so even overlength president names can be compared. */
00437         char buffer2[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
00438         SetDParam(0, cc->index);
00439         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
00440         if (strcmp(buffer2, buffer) == 0) goto restart;
00441       }
00442     }
00443     return;
00444   }
00445 }
00446 
00447 void ResetCompanyLivery(Company *c)
00448 {
00449   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
00450     c->livery[scheme].in_use  = false;
00451     c->livery[scheme].colour1 = c->colour;
00452     c->livery[scheme].colour2 = c->colour;
00453   }
00454 }
00455 
00463 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
00464 {
00465   if (!Company::CanAllocateItem()) return NULL;
00466 
00467   /* we have to generate colour before this company is valid */
00468   Colours colour = GenerateCompanyColour();
00469 
00470   Company *c;
00471   if (company == INVALID_COMPANY) {
00472     c = new Company(STR_SV_UNNAMED, is_ai);
00473   } else {
00474     if (Company::IsValidID(company)) return NULL;
00475     c = new (company) Company(STR_SV_UNNAMED, is_ai);
00476   }
00477 
00478   c->colour = colour;
00479 
00480   ResetCompanyLivery(c);
00481   _company_colours[c->index] = (Colours)c->colour;
00482 
00483   c->money = c->current_loan = 100000;
00484 
00485   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
00486 
00487   c->avail_railtypes = GetCompanyRailtypes(c->index);
00488   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
00489   c->inaugurated_year = _cur_year;
00490   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
00491 
00492   SetDefaultCompanySettings(c->index);
00493 
00494   GeneratePresidentName(c);
00495 
00496   SetWindowDirty(WC_GRAPH_LEGEND, 0);
00497   SetWindowDirty(WC_TOOLBAR_MENU, 0);
00498   SetWindowDirty(WC_CLIENT_LIST, 0);
00499 
00500   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
00501 
00502   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
00503 
00504   return c;
00505 }
00506 
00507 void StartupCompanies()
00508 {
00509   _next_competitor_start = 0;
00510 }
00511 
00512 #ifdef ENABLE_AI
00513 static void MaybeStartNewCompany()
00514 {
00515 #ifdef ENABLE_NETWORK
00516   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
00517 #endif /* ENABLE_NETWORK */
00518 
00519   Company *c;
00520 
00521   /* count number of competitors */
00522   uint n = 0;
00523   FOR_ALL_COMPANIES(c) {
00524     if (c->is_ai) n++;
00525   }
00526 
00527   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
00528     /* Send a command to all clients to start up a new AI.
00529      * Works fine for Multiplayer and Singleplayer */
00530     DoCommandP(0, 1, INVALID_COMPANY, CMD_COMPANY_CTRL);
00531   }
00532 }
00533 #endif /* ENABLE_AI */
00534 
00535 void InitializeCompanies()
00536 {
00537   _company_pool.CleanPool();
00538   _cur_company_tick_index = 0;
00539 }
00540 
00550 static void HandleBankruptcyTakeover(Company *c)
00551 {
00552   /* Amount of time out for each company to take over a company;
00553    * Timeout is a quarter (3 months of 30 days) divided over the
00554    * number of companies. The minimum number of days in a quarter
00555    * is 90: 31 in January, 28 in February and 31 in March.
00556    * Note that the company going bankrupt can't buy itself. */
00557   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
00558 
00559   assert(c->bankrupt_asked != 0);
00560 
00561   /* We're currently asking some company to buy 'us' */
00562   if (c->bankrupt_timeout != 0) {
00563     c->bankrupt_timeout -= MAX_COMPANIES;
00564     if (c->bankrupt_timeout > 0) return;
00565     c->bankrupt_timeout = 0;
00566 
00567     return;
00568   }
00569 
00570   /* Did we ask everyone for bankruptcy? If so, bail out. */
00571   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
00572 
00573   Company *c2, *best = NULL;
00574   int32 best_performance = -1;
00575 
00576   /* Ask the company with the highest performance history first */
00577   FOR_ALL_COMPANIES(c2) {
00578     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
00579         !HasBit(c->bankrupt_asked, c2->index) &&
00580         best_performance < c2->old_economy[1].performance_history) {
00581       best_performance = c2->old_economy[1].performance_history;
00582       best = c2;
00583     }
00584   }
00585 
00586   /* Asked all companies? */
00587   if (best_performance == -1) {
00588     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00589     return;
00590   }
00591 
00592   SetBit(c->bankrupt_asked, best->index);
00593 
00594   if (IsInteractiveCompany(best->index)) {
00595     c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
00596     ShowBuyCompanyDialog(c->index);
00597     return;
00598   }
00599 
00600   if (best->is_ai) {
00601     AI::NewEvent(best->index, new AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
00602   }
00603 }
00604 
00605 void OnTick_Companies()
00606 {
00607   if (_game_mode == GM_EDITOR) return;
00608 
00609   Company *c = Company::GetIfValid(_cur_company_tick_index);
00610   if (c != NULL) {
00611     if (c->name_1 != 0) GenerateCompanyName(c);
00612     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
00613   }
00614 
00615 #ifdef ENABLE_AI
00616   if (_next_competitor_start == 0) {
00617     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
00618   }
00619 
00620   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
00621     MaybeStartNewCompany();
00622   }
00623 #endif /* ENABLE_AI */
00624 
00625   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
00626 }
00627 
00628 void CompaniesYearlyLoop()
00629 {
00630   Company *c;
00631 
00632   /* Copy statistics */
00633   FOR_ALL_COMPANIES(c) {
00634     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
00635     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
00636     SetWindowDirty(WC_FINANCES, c->index);
00637   }
00638 
00639   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
00640     ShowCompanyFinances(_local_company);
00641     c = Company::Get(_local_company);
00642     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
00643       SndPlayFx(SND_01_BAD_YEAR);
00644     } else {
00645       SndPlayFx(SND_00_GOOD_YEAR);
00646     }
00647   }
00648 }
00649 
00661 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00662 {
00663   Company *c = Company::GetIfValid(_current_company);
00664   if (c == NULL) return CMD_ERROR;
00665 
00666   EngineID old_engine_type = GB(p2, 0, 16);
00667   EngineID new_engine_type = GB(p2, 16, 16);
00668   GroupID id_g = GB(p1, 16, 16);
00669   CommandCost cost;
00670 
00671   if (!Group::IsValidID(id_g) && !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
00672   if (!Engine::IsValidID(old_engine_type)) return CMD_ERROR;
00673 
00674   if (new_engine_type != INVALID_ENGINE) {
00675     if (!Engine::IsValidID(new_engine_type)) return CMD_ERROR;
00676     if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;
00677 
00678     cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
00679   } else {
00680     cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
00681   }
00682 
00683   if ((flags & DC_EXEC) && IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);
00684 
00685   return cost;
00686 }
00687 
00693 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
00694 {
00695   SetDParam(0, c->index);
00696   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
00697 
00698   if (other == NULL) {
00699     *this->other_company_name = '\0';
00700   } else {
00701     SetDParam(0, other->index);
00702     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
00703     c = other;
00704   }
00705 
00706   SetDParam(0, c->index);
00707   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
00708 
00709   this->colour = c->colour;
00710   this->face = c->face;
00711 
00712 }
00713 
00735 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00736 {
00737   if (flags & DC_EXEC) _current_company = OWNER_NONE;
00738 
00739   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00740 
00741   switch (p1) {
00742     case 0: { // Create a new company
00743       /* This command is only executed in a multiplayer game */
00744       if (!_networking) return CMD_ERROR;
00745 
00746 #ifdef ENABLE_NETWORK
00747 
00748       /* Joining Client:
00749        * _local_company: COMPANY_SPECTATOR
00750        * cid = clientid
00751        *
00752        * Other client(s)/server:
00753        * _local_company: what they play as
00754        * cid = requested company/company of joining client */
00755       ClientID cid = (ClientID)p2;
00756 
00757       /* Has the network client a correct ClientIndex? */
00758       if (!(flags & DC_EXEC)) return CommandCost();
00759       NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
00760       if (ci == NULL) return CommandCost();
00761 
00762       /* Delete multiplayer progress bar */
00763       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00764 
00765       Company *c = DoStartupNewCompany(false);
00766 
00767       /* A new company could not be created, revert to being a spectator */
00768       if (c == NULL) {
00769         if (_network_server) {
00770           ci->client_playas = COMPANY_SPECTATOR;
00771           NetworkUpdateClientInfo(ci->client_id);
00772         }
00773         break;
00774       }
00775 
00776       /* This is the client (or non-dedicated server) who wants a new company */
00777       if (cid == _network_own_client_id) {
00778         assert(_local_company == COMPANY_SPECTATOR);
00779         SetLocalCompany(c->index);
00780         if (!StrEmpty(_settings_client.network.default_company_pass)) {
00781           NetworkChangeCompanyPassword(_settings_client.network.default_company_pass);
00782         }
00783 
00784         _current_company = _local_company;
00785 
00786         /* Now that we have a new company, broadcast our company settings to
00787          * all clients so everything is in sync */
00788         SyncCompanySettings();
00789 
00790         MarkWholeScreenDirty();
00791       }
00792 
00793       if (_network_server) {
00794         /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
00795          * server side in network_server.c:838, function
00796          * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
00797         CompanyID old_playas = ci->client_playas;
00798         ci->client_playas = c->index;
00799         NetworkUpdateClientInfo(ci->client_id);
00800 
00801         if (Company::IsValidID(ci->client_playas)) {
00802           _network_company_states[c->index].months_empty = 0;
00803           _network_company_states[c->index].password[0] = '\0';
00804           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
00805 
00806           /* XXX - When a client joins, we automatically set its name to the
00807            * client's name (for some reason). As it stands now only the server
00808            * knows the client's name, so it needs to send out a "broadcast" to
00809            * do this. To achieve this we send a network command. However, it
00810            * uses _local_company to execute the command as.  To prevent abuse
00811            * (eg. only yourself can change your name/company), we 'cheat' by
00812            * impersonation _local_company as the server. Not the best solution;
00813            * but it works.
00814            * TODO: Perhaps this could be improved by when the client is ready
00815            * with joining to let it send itself the command, and not the server?
00816            * For example in network_client.c:534? */
00817           NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, ci->client_playas);
00818         }
00819 
00820         /* Announce new company on network, if the client was a SPECTATOR before */
00821         if (old_playas == COMPANY_SPECTATOR) {
00822           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
00823         }
00824       }
00825 #endif /* ENABLE_NETWORK */
00826     } break;
00827 
00828     case 1: // Make a new AI company
00829       if (!(flags & DC_EXEC)) return CommandCost();
00830 
00831       if (p2 != INVALID_COMPANY && (p2 >= MAX_COMPANIES || Company::IsValidID(p2))) return CMD_ERROR;
00832       DoStartupNewCompany(true, (CompanyID)p2);
00833       break;
00834 
00835     case 2: { // Delete a company
00836       Company *c = Company::GetIfValid(p2);
00837       if (c == NULL) return CMD_ERROR;
00838 
00839       if (!(flags & DC_EXEC)) return CommandCost();
00840 
00841       /* Delete any open window of the company */
00842       DeleteCompanyWindows(c->index);
00843       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00844       cni->FillData(c);
00845 
00846       /* Show the bankrupt news */
00847       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00848       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00849       SetDParamStr(2, cni->company_name);
00850       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
00851 
00852       /* Remove the company */
00853       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00854       if (c->is_ai) AI::Stop(c->index);
00855 
00856       CompanyID c_index = c->index;
00857       delete c;
00858       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
00859     } break;
00860 
00861     default: return CMD_ERROR;
00862   }
00863 
00864   return CommandCost();
00865 }
00866 
00875 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00876 {
00877   CompanyManagerFace cmf = (CompanyManagerFace)p2;
00878 
00879   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
00880 
00881   if (flags & DC_EXEC) {
00882     Company::Get(_current_company)->face = cmf;
00883     MarkWholeScreenDirty();
00884   }
00885   return CommandCost();
00886 }
00887 
00898 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00899 {
00900   if (p2 >= 16) return CMD_ERROR; // max 16 colours
00901 
00902   Colours colour = (Colours)p2;
00903 
00904   LiveryScheme scheme = (LiveryScheme)GB(p1, 0, 8);
00905   byte state = GB(p1, 8, 2);
00906 
00907   if (scheme >= LS_END || state >= 3) return CMD_ERROR;
00908 
00909   Company *c = Company::Get(_current_company);
00910 
00911   /* Ensure no two companies have the same primary colour */
00912   if (scheme == LS_DEFAULT && state == 0) {
00913     const Company *cc;
00914     FOR_ALL_COMPANIES(cc) {
00915       if (cc != c && cc->colour == colour) return CMD_ERROR;
00916     }
00917   }
00918 
00919   if (flags & DC_EXEC) {
00920     switch (state) {
00921       case 0:
00922         c->livery[scheme].colour1 = colour;
00923 
00924         /* If setting the first colour of the default scheme, adjust the
00925          * original and cached company colours too. */
00926         if (scheme == LS_DEFAULT) {
00927           _company_colours[_current_company] = colour;
00928           c->colour = colour;
00929         }
00930         break;
00931 
00932       case 1:
00933         c->livery[scheme].colour2 = colour;
00934         break;
00935 
00936       case 2:
00937         c->livery[scheme].in_use = colour != 0;
00938 
00939         /* Now handle setting the default scheme's in_use flag.
00940          * This is different to the other schemes, as it signifies if any
00941          * scheme is active at all. If this flag is not set, then no
00942          * processing of vehicle types occurs at all, and only the default
00943          * colours will be used. */
00944 
00945         /* If enabling a scheme, set the default scheme to be in use too */
00946         if (colour != 0) {
00947           c->livery[LS_DEFAULT].in_use = true;
00948           break;
00949         }
00950 
00951         /* Else loop through all schemes to see if any are left enabled.
00952          * If not, disable the default scheme too. */
00953         c->livery[LS_DEFAULT].in_use = false;
00954         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
00955           if (c->livery[scheme].in_use) {
00956             c->livery[LS_DEFAULT].in_use = true;
00957             break;
00958           }
00959         }
00960         break;
00961 
00962       default:
00963         break;
00964     }
00965     ResetVehicleColourMap();
00966     MarkWholeScreenDirty();
00967 
00968     /* Company colour data is indirectly cached. */
00969     Vehicle *v;
00970     FOR_ALL_VEHICLES(v) {
00971       if (v->owner == _current_company) v->InvalidateNewGRFCache();
00972     }
00973   }
00974   return CommandCost();
00975 }
00976 
00977 static bool IsUniqueCompanyName(const char *name)
00978 {
00979   const Company *c;
00980 
00981   FOR_ALL_COMPANIES(c) {
00982     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
00983   }
00984 
00985   return true;
00986 }
00987 
00996 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00997 {
00998   bool reset = StrEmpty(text);
00999 
01000   if (!reset) {
01001     if (strlen(text) >= MAX_LENGTH_COMPANY_NAME_BYTES) return CMD_ERROR;
01002     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
01003   }
01004 
01005   if (flags & DC_EXEC) {
01006     Company *c = Company::Get(_current_company);
01007     free(c->name);
01008     c->name = reset ? NULL : strdup(text);
01009     MarkWholeScreenDirty();
01010   }
01011 
01012   return CommandCost();
01013 }
01014 
01015 static bool IsUniquePresidentName(const char *name)
01016 {
01017   const Company *c;
01018 
01019   FOR_ALL_COMPANIES(c) {
01020     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
01021   }
01022 
01023   return true;
01024 }
01025 
01034 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01035 {
01036   bool reset = StrEmpty(text);
01037 
01038   if (!reset) {
01039     if (strlen(text) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) return CMD_ERROR;
01040     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
01041   }
01042 
01043   if (flags & DC_EXEC) {
01044     Company *c = Company::Get(_current_company);
01045     free(c->president_name);
01046 
01047     if (reset) {
01048       c->president_name = NULL;
01049     } else {
01050       c->president_name = strdup(text);
01051 
01052       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
01053         char buf[80];
01054 
01055         snprintf(buf, lengthof(buf), "%s Transport", text);
01056         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
01057       }
01058     }
01059 
01060     MarkWholeScreenDirty();
01061   }
01062 
01063   return CommandCost();
01064 }

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