company_cmd.cpp

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00001 /* $Id$ */
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 "company_base.h"
00014 #include "company_func.h"
00015 #include "company_gui.h"
00016 #include "town.h"
00017 #include "news_func.h"
00018 #include "cmd_helper.h"
00019 #include "command_func.h"
00020 #include "network/network.h"
00021 #include "network/network_func.h"
00022 #include "network/network_base.h"
00023 #include "network/network_admin.h"
00024 #include "ai/ai.hpp"
00025 #include "company_manager_face.h"
00026 #include "window_func.h"
00027 #include "strings_func.h"
00028 #include "date_func.h"
00029 #include "sound_func.h"
00030 #include "rail.h"
00031 #include "core/pool_func.hpp"
00032 #include "settings_func.h"
00033 #include "vehicle_base.h"
00034 #include "vehicle_func.h"
00035 #include "smallmap_gui.h"
00036 #include "game/game.hpp"
00037 
00038 #include "table/strings.h"
00039 
00040 CompanyByte _local_company;   
00041 CompanyByte _current_company; 
00042 Colours _company_colours[MAX_COMPANIES];  
00043 CompanyManagerFace _company_manager_face; 
00044 uint _next_competitor_start;              
00045 uint _cur_company_tick_index;             
00046 
00047 CompanyPool _company_pool("Company"); 
00048 INSTANTIATE_POOL_METHODS(Company)
00049 
00050 
00055 Company::Company(uint16 name_1, bool is_ai)
00056 {
00057   this->name_1 = name_1;
00058   this->location_of_HQ = INVALID_TILE;
00059   this->is_ai = is_ai;
00060   this->terraform_limit = _settings_game.construction.terraform_frame_burst << 16;
00061   this->clear_limit     = _settings_game.construction.clear_frame_burst << 16;
00062   this->tree_limit      = _settings_game.construction.tree_frame_burst << 16;
00063 
00064   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
00065   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
00066 }
00067 
00069 Company::~Company()
00070 {
00071   if (CleaningPool()) return;
00072 
00073   DeleteCompanyWindows(this->index);
00074 }
00075 
00080 void Company::PostDestructor(size_t index)
00081 {
00082   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
00083   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
00084   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00085   InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
00086   /* If the currently shown error message has this company in it, then close it. */
00087   InvalidateWindowData(WC_ERRMSG, 0);
00088 }
00089 
00096 void SetLocalCompany(CompanyID new_company)
00097 {
00098   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
00099   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
00100 
00101 #ifdef ENABLE_NETWORK
00102   /* Delete the chat window, if you were team chatting. */
00103   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
00104 #endif
00105 
00106   assert(IsLocalCompany());
00107 
00108   _current_company = _local_company = new_company;
00109 
00110   /* Delete any construction windows... */
00111   DeleteConstructionWindows();
00112 
00113   /* ... and redraw the whole screen. */
00114   MarkWholeScreenDirty();
00115   InvalidateWindowClassesData(WC_SIGN_LIST, -1);
00116 }
00117 
00123 TextColour GetDrawStringCompanyColour(CompanyID company)
00124 {
00125   if (!Company::IsValidID(company)) return (TextColour)_colour_gradient[COLOUR_WHITE][4] | TC_IS_PALETTE_COLOUR;
00126   return (TextColour)_colour_gradient[_company_colours[company]][4] | TC_IS_PALETTE_COLOUR;
00127 }
00128 
00135 void DrawCompanyIcon(CompanyID c, int x, int y)
00136 {
00137   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
00138 }
00139 
00146 static bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
00147 {
00148   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
00149 
00150   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
00151   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
00152   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
00153   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
00154 
00155   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
00156   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
00157     switch (cmfv) {
00158       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
00159       case CMFV_LIPS:        // FALL THROUGH
00160       case CMFV_NOSE:        if (has_moustache)    continue; break;
00161       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
00162       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
00163       default: break;
00164     }
00165     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
00166   }
00167 
00168   return true;
00169 }
00170 
00175 void InvalidateCompanyWindows(const Company *company)
00176 {
00177   CompanyID cid = company->index;
00178 
00179   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
00180   SetWindowDirty(WC_FINANCES, cid);
00181 }
00182 
00188 bool CheckCompanyHasMoney(CommandCost &cost)
00189 {
00190   if (cost.GetCost() > 0) {
00191     const Company *c = Company::GetIfValid(_current_company);
00192     if (c != NULL && cost.GetCost() > c->money) {
00193       SetDParam(0, cost.GetCost());
00194       cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
00195       return false;
00196     }
00197   }
00198   return true;
00199 }
00200 
00206 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
00207 {
00208   if (cost.GetCost() == 0) return;
00209   assert(cost.GetExpensesType() != INVALID_EXPENSES);
00210 
00211   c->money -= cost.GetCost();
00212   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
00213 
00214   if (HasBit(1 << EXPENSES_TRAIN_INC    |
00215              1 << EXPENSES_ROADVEH_INC  |
00216              1 << EXPENSES_AIRCRAFT_INC |
00217              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
00218     c->cur_economy.income -= cost.GetCost();
00219   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
00220                     1 << EXPENSES_ROADVEH_RUN  |
00221                     1 << EXPENSES_AIRCRAFT_RUN |
00222                     1 << EXPENSES_SHIP_RUN     |
00223                     1 << EXPENSES_PROPERTY     |
00224                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
00225     c->cur_economy.expenses -= cost.GetCost();
00226   }
00227 
00228   InvalidateCompanyWindows(c);
00229 }
00230 
00235 void SubtractMoneyFromCompany(CommandCost cost)
00236 {
00237   Company *c = Company::GetIfValid(_current_company);
00238   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
00239 }
00240 
00246 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
00247 {
00248   Company *c = Company::Get(company);
00249   byte m = c->money_fraction;
00250   Money cost = cst.GetCost();
00251 
00252   c->money_fraction = m - (byte)cost;
00253   cost >>= 8;
00254   if (c->money_fraction > m) cost++;
00255   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
00256 }
00257 
00259 void UpdateLandscapingLimits()
00260 {
00261   Company *c;
00262   FOR_ALL_COMPANIES(c) {
00263     c->terraform_limit = min(c->terraform_limit + _settings_game.construction.terraform_per_64k_frames, (uint32)_settings_game.construction.terraform_frame_burst << 16);
00264     c->clear_limit     = min(c->clear_limit     + _settings_game.construction.clear_per_64k_frames,     (uint32)_settings_game.construction.clear_frame_burst << 16);
00265     c->tree_limit      = min(c->tree_limit      + _settings_game.construction.tree_per_64k_frames,      (uint32)_settings_game.construction.tree_frame_burst << 16);
00266   }
00267 }
00268 
00275 void GetNameOfOwner(Owner owner, TileIndex tile)
00276 {
00277   SetDParam(2, owner);
00278 
00279   if (owner != OWNER_TOWN) {
00280     if (!Company::IsValidID(owner)) {
00281       SetDParam(0, STR_COMPANY_SOMEONE);
00282     } else {
00283       SetDParam(0, STR_COMPANY_NAME);
00284       SetDParam(1, owner);
00285     }
00286   } else {
00287     assert(tile != 0);
00288     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
00289 
00290     SetDParam(0, STR_TOWN_NAME);
00291     SetDParam(1, t->index);
00292   }
00293 }
00294 
00295 
00304 CommandCost CheckOwnership(Owner owner, TileIndex tile)
00305 {
00306   assert(owner < OWNER_END);
00307   assert(owner != OWNER_TOWN || tile != 0);
00308 
00309   if (owner == _current_company) return CommandCost();
00310 
00311   GetNameOfOwner(owner, tile);
00312   return_cmd_error(STR_ERROR_OWNED_BY);
00313 }
00314 
00322 CommandCost CheckTileOwnership(TileIndex tile)
00323 {
00324   Owner owner = GetTileOwner(tile);
00325 
00326   assert(owner < OWNER_END);
00327 
00328   if (owner == _current_company) return CommandCost();
00329 
00330   /* no need to get the name of the owner unless we're the local company (saves some time) */
00331   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
00332   return_cmd_error(STR_ERROR_OWNED_BY);
00333 }
00334 
00339 static void GenerateCompanyName(Company *c)
00340 {
00341   /* Reserve space for extra unicode character. We need to do this to be able
00342    * to detect too long company name. */
00343   char buffer[(MAX_LENGTH_COMPANY_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
00344 
00345   if (c->name_1 != STR_SV_UNNAMED) return;
00346   if (c->last_build_coordinate == 0) return;
00347 
00348   Town *t = ClosestTownFromTile(c->last_build_coordinate, UINT_MAX);
00349 
00350   StringID str;
00351   uint32 strp;
00352   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
00353     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_COMPANY_NAME_START;
00354     strp = t->townnameparts;
00355 
00356 verify_name:;
00357     /* No companies must have this name already */
00358     Company *cc;
00359     FOR_ALL_COMPANIES(cc) {
00360       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
00361     }
00362 
00363     GetString(buffer, str, lastof(buffer));
00364     if (Utf8StringLength(buffer) >= MAX_LENGTH_COMPANY_NAME_CHARS) goto bad_town_name;
00365 
00366 set_name:;
00367     c->name_1 = str;
00368     c->name_2 = strp;
00369 
00370     MarkWholeScreenDirty();
00371 
00372     if (c->is_ai) {
00373       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00374       cni->FillData(c);
00375       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
00376       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
00377       SetDParamStr(2, cni->company_name);
00378       SetDParam(3, t->index);
00379       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NT_COMPANY_INFO, NF_COMPANY, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
00380     }
00381     return;
00382   }
00383 bad_town_name:;
00384 
00385   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
00386     str = SPECSTR_ANDCO_NAME;
00387     strp = c->president_name_2;
00388     goto set_name;
00389   } else {
00390     str = SPECSTR_ANDCO_NAME;
00391     strp = Random();
00392     goto verify_name;
00393   }
00394 }
00395 
00397 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
00399 static const Colours _similar_colour[COLOUR_END][2] = {
00400   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
00401   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
00402   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
00403   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
00404   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
00405   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
00406   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
00407   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
00408   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
00409   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
00410   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
00411   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
00412   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
00413   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
00414   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
00415   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
00416 };
00417 
00422 static Colours GenerateCompanyColour()
00423 {
00424   Colours colours[COLOUR_END];
00425 
00426   /* Initialize array */
00427   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
00428 
00429   /* And randomize it */
00430   for (uint i = 0; i < 100; i++) {
00431     uint r = Random();
00432     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
00433   }
00434 
00435   /* Bubble sort it according to the values in table 1 */
00436   for (uint i = 0; i < COLOUR_END; i++) {
00437     for (uint j = 1; j < COLOUR_END; j++) {
00438       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
00439         Swap(colours[j - 1], colours[j]);
00440       }
00441     }
00442   }
00443 
00444   /* Move the colours that look similar to each company's colour to the side */
00445   Company *c;
00446   FOR_ALL_COMPANIES(c) {
00447     Colours pcolour = (Colours)c->colour;
00448 
00449     for (uint i = 0; i < COLOUR_END; i++) {
00450       if (colours[i] == pcolour) {
00451         colours[i] = INVALID_COLOUR;
00452         break;
00453       }
00454     }
00455 
00456     for (uint j = 0; j < 2; j++) {
00457       Colours similar = _similar_colour[pcolour][j];
00458       if (similar == INVALID_COLOUR) break;
00459 
00460       for (uint i = 1; i < COLOUR_END; i++) {
00461         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
00462       }
00463     }
00464   }
00465 
00466   /* Return the first available colour */
00467   for (uint i = 0; i < COLOUR_END; i++) {
00468     if (colours[i] != INVALID_COLOUR) return colours[i];
00469   }
00470 
00471   NOT_REACHED();
00472 }
00473 
00478 static void GeneratePresidentName(Company *c)
00479 {
00480   for (;;) {
00481 restart:;
00482     c->president_name_2 = Random();
00483     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
00484 
00485     /* Reserve space for extra unicode character. We need to do this to be able
00486      * to detect too long president name. */
00487     char buffer[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
00488     SetDParam(0, c->index);
00489     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
00490     if (Utf8StringLength(buffer) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) continue;
00491 
00492     Company *cc;
00493     FOR_ALL_COMPANIES(cc) {
00494       if (c != cc) {
00495         /* Reserve extra space so even overlength president names can be compared. */
00496         char buffer2[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
00497         SetDParam(0, cc->index);
00498         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
00499         if (strcmp(buffer2, buffer) == 0) goto restart;
00500       }
00501     }
00502     return;
00503   }
00504 }
00505 
00511 void ResetCompanyLivery(Company *c)
00512 {
00513   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
00514     c->livery[scheme].in_use  = false;
00515     c->livery[scheme].colour1 = c->colour;
00516     c->livery[scheme].colour2 = c->colour;
00517   }
00518 }
00519 
00527 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
00528 {
00529   if (!Company::CanAllocateItem()) return NULL;
00530 
00531   /* we have to generate colour before this company is valid */
00532   Colours colour = GenerateCompanyColour();
00533 
00534   Company *c;
00535   if (company == INVALID_COMPANY) {
00536     c = new Company(STR_SV_UNNAMED, is_ai);
00537   } else {
00538     if (Company::IsValidID(company)) return NULL;
00539     c = new (company) Company(STR_SV_UNNAMED, is_ai);
00540   }
00541 
00542   c->colour = colour;
00543 
00544   ResetCompanyLivery(c);
00545   _company_colours[c->index] = (Colours)c->colour;
00546 
00547   c->money = c->current_loan = (100000ll * _economy.inflation_prices >> 16) / 50000 * 50000;
00548 
00549   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
00550 
00551   c->avail_railtypes = GetCompanyRailtypes(c->index);
00552   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
00553   c->inaugurated_year = _cur_year;
00554   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
00555 
00556   SetDefaultCompanySettings(c->index);
00557 
00558   GeneratePresidentName(c);
00559 
00560   SetWindowDirty(WC_GRAPH_LEGEND, 0);
00561   SetWindowClassesDirty(WC_CLIENT_LIST_POPUP);
00562   SetWindowDirty(WC_CLIENT_LIST, 0);
00563   InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
00564   BuildOwnerLegend();
00565   InvalidateWindowData(WC_SMALLMAP, 0, 1);
00566 
00567   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
00568 
00569   AI::BroadcastNewEvent(new ScriptEventCompanyNew(c->index), c->index);
00570   Game::NewEvent(new ScriptEventCompanyNew(c->index));
00571 
00572   return c;
00573 }
00574 
00576 void StartupCompanies()
00577 {
00578   _next_competitor_start = 0;
00579 }
00580 
00582 static void MaybeStartNewCompany()
00583 {
00584 #ifdef ENABLE_NETWORK
00585   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
00586 #endif /* ENABLE_NETWORK */
00587 
00588   Company *c;
00589 
00590   /* count number of competitors */
00591   uint n = 0;
00592   FOR_ALL_COMPANIES(c) {
00593     if (c->is_ai) n++;
00594   }
00595 
00596   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
00597     /* Send a command to all clients to start up a new AI.
00598      * Works fine for Multiplayer and Singleplayer */
00599     DoCommandP(0, 1 | INVALID_COMPANY << 16, 0, CMD_COMPANY_CTRL);
00600   }
00601 }
00602 
00604 void InitializeCompanies()
00605 {
00606   _cur_company_tick_index = 0;
00607 }
00608 
00615 bool MayCompanyTakeOver(CompanyID cbig, CompanyID csmall)
00616 {
00617   const Company *c1 = Company::Get(cbig);
00618   const Company *c2 = Company::Get(csmall);
00619 
00620   /* Do the combined vehicle counts stay within the limits? */
00621   return c1->group_all[VEH_TRAIN].num_vehicle + c2->group_all[VEH_TRAIN].num_vehicle <= _settings_game.vehicle.max_trains &&
00622     c1->group_all[VEH_ROAD].num_vehicle     + c2->group_all[VEH_ROAD].num_vehicle     <= _settings_game.vehicle.max_roadveh &&
00623     c1->group_all[VEH_SHIP].num_vehicle     + c2->group_all[VEH_SHIP].num_vehicle     <= _settings_game.vehicle.max_ships &&
00624     c1->group_all[VEH_AIRCRAFT].num_vehicle + c2->group_all[VEH_AIRCRAFT].num_vehicle <= _settings_game.vehicle.max_aircraft;
00625 }
00626 
00636 static void HandleBankruptcyTakeover(Company *c)
00637 {
00638   /* Amount of time out for each company to take over a company;
00639    * Timeout is a quarter (3 months of 30 days) divided over the
00640    * number of companies. The minimum number of days in a quarter
00641    * is 90: 31 in January, 28 in February and 31 in March.
00642    * Note that the company going bankrupt can't buy itself. */
00643   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
00644 
00645   assert(c->bankrupt_asked != 0);
00646 
00647   /* We're currently asking some company to buy 'us' */
00648   if (c->bankrupt_timeout != 0) {
00649     c->bankrupt_timeout -= MAX_COMPANIES;
00650     if (c->bankrupt_timeout > 0) return;
00651     c->bankrupt_timeout = 0;
00652 
00653     return;
00654   }
00655 
00656   /* Did we ask everyone for bankruptcy? If so, bail out. */
00657   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
00658 
00659   Company *c2, *best = NULL;
00660   int32 best_performance = -1;
00661 
00662   /* Ask the company with the highest performance history first */
00663   FOR_ALL_COMPANIES(c2) {
00664     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
00665         !HasBit(c->bankrupt_asked, c2->index) &&
00666         best_performance < c2->old_economy[1].performance_history &&
00667         MayCompanyTakeOver(c2->index, c->index)) {
00668       best_performance = c2->old_economy[1].performance_history;
00669       best = c2;
00670     }
00671   }
00672 
00673   /* Asked all companies? */
00674   if (best_performance == -1) {
00675     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00676     return;
00677   }
00678 
00679   SetBit(c->bankrupt_asked, best->index);
00680 
00681   c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
00682   if (best->is_ai) {
00683     AI::NewEvent(best->index, new ScriptEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
00684   } else if (IsInteractiveCompany(best->index)) {
00685     ShowBuyCompanyDialog(c->index);
00686   }
00687 }
00688 
00690 void OnTick_Companies()
00691 {
00692   if (_game_mode == GM_EDITOR) return;
00693 
00694   Company *c = Company::GetIfValid(_cur_company_tick_index);
00695   if (c != NULL) {
00696     if (c->name_1 != 0) GenerateCompanyName(c);
00697     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
00698   }
00699 
00700   if (_next_competitor_start == 0) {
00701     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
00702   }
00703 
00704   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
00705     MaybeStartNewCompany();
00706   }
00707 
00708   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
00709 }
00710 
00715 void CompaniesYearlyLoop()
00716 {
00717   Company *c;
00718 
00719   /* Copy statistics */
00720   FOR_ALL_COMPANIES(c) {
00721     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
00722     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
00723     SetWindowDirty(WC_FINANCES, c->index);
00724   }
00725 
00726   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
00727     ShowCompanyFinances(_local_company);
00728     c = Company::Get(_local_company);
00729     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
00730       if (_settings_client.sound.new_year) SndPlayFx(SND_01_BAD_YEAR);
00731     } else {
00732       if (_settings_client.sound.new_year) SndPlayFx(SND_00_GOOD_YEAR);
00733     }
00734   }
00735 }
00736 
00742 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
00743 {
00744   SetDParam(0, c->index);
00745   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
00746 
00747   if (other == NULL) {
00748     *this->other_company_name = '\0';
00749   } else {
00750     SetDParam(0, other->index);
00751     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
00752     c = other;
00753   }
00754 
00755   SetDParam(0, c->index);
00756   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
00757 
00758   this->colour = c->colour;
00759   this->face = c->face;
00760 
00761 }
00762 
00767 void CompanyAdminUpdate(const Company *company)
00768 {
00769 #ifdef ENABLE_NETWORK
00770   if (_network_server) NetworkAdminCompanyUpdate(company);
00771 #endif /* ENABLE_NETWORK */
00772 }
00773 
00779 void CompanyAdminRemove(CompanyID company_id, CompanyRemoveReason reason)
00780 {
00781 #ifdef ENABLE_NETWORK
00782   if (_network_server) NetworkAdminCompanyRemove(company_id, (AdminCompanyRemoveReason)reason);
00783 #endif /* ENABLE_NETWORK */
00784 }
00785 
00800 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00801 {
00802   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00803   CompanyID company_id = (CompanyID)GB(p1, 16, 8);
00804 #ifdef ENABLE_NETWORK
00805   ClientID client_id = (ClientID)p2;
00806 #endif /* ENABLE_NETWORK */
00807 
00808   switch (GB(p1, 0, 16)) {
00809     case 0: { // Create a new company
00810       /* This command is only executed in a multiplayer game */
00811       if (!_networking) return CMD_ERROR;
00812 
00813 #ifdef ENABLE_NETWORK
00814       /* Has the network client a correct ClientIndex? */
00815       if (!(flags & DC_EXEC)) return CommandCost();
00816       NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
00817 #ifndef DEBUG_DUMP_COMMANDS
00818       /* When replaying the client ID is not a valid client; there
00819        * are actually no clients at all. However, the company has to
00820        * be created, otherwise we cannot rerun the game properly.
00821        * So only allow a NULL client info in that case. */
00822       if (ci == NULL) return CommandCost();
00823 #endif /* NOT DEBUG_DUMP_COMMANDS */
00824 
00825       /* Delete multiplayer progress bar */
00826       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00827 
00828       Company *c = DoStartupNewCompany(false);
00829 
00830       /* A new company could not be created, revert to being a spectator */
00831       if (c == NULL) {
00832         if (_network_server) {
00833           ci->client_playas = COMPANY_SPECTATOR;
00834           NetworkUpdateClientInfo(ci->client_id);
00835         }
00836         break;
00837       }
00838 
00839       /* This is the client (or non-dedicated server) who wants a new company */
00840       if (client_id == _network_own_client_id) {
00841         assert(_local_company == COMPANY_SPECTATOR);
00842         SetLocalCompany(c->index);
00843         if (!StrEmpty(_settings_client.network.default_company_pass)) {
00844           NetworkChangeCompanyPassword(_local_company, _settings_client.network.default_company_pass);
00845         }
00846 
00847         /* Now that we have a new company, broadcast our company settings to
00848          * all clients so everything is in sync */
00849         SyncCompanySettings();
00850 
00851         MarkWholeScreenDirty();
00852       }
00853 
00854       if (_network_server) {
00855         if (ci != NULL) {
00856           /* ci is only NULL when replaying.
00857            * When replaying no client is actually in need of an update. */
00858           ci->client_playas = c->index;
00859           NetworkUpdateClientInfo(ci->client_id);
00860         }
00861 
00862         if (Company::IsValidID(c->index)) {
00863           _network_company_states[c->index].months_empty = 0;
00864           _network_company_states[c->index].password[0] = '\0';
00865           NetworkServerUpdateCompanyPassworded(c->index, false);
00866 
00867           /* XXX - When a client joins, we automatically set its name to the
00868            * client's name (for some reason). As it stands now only the server
00869            * knows the client's name, so it needs to send out a "broadcast" to
00870            * do this. To achieve this we send a network command. However, it
00871            * uses _local_company to execute the command as.  To prevent abuse
00872            * (eg. only yourself can change your name/company), we 'cheat' by
00873            * impersonation _local_company as the server. Not the best solution;
00874            * but it works.
00875            * TODO: Perhaps this could be improved by when the client is ready
00876            * with joining to let it send itself the command, and not the server?
00877            * For example in network_client.c:534? */
00878           if (ci != NULL) {
00879             /* ci is only NULL when replaying.
00880              * When replaying, the command to rename the president will
00881              * automatically be ran, so this is not even needed to get
00882              * the exact same state. */
00883             NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, c->index);
00884           }
00885         }
00886 
00887         /* Announce new company on network. */
00888         NetworkAdminCompanyInfo(c, true);
00889 
00890         if (ci != NULL) {
00891           /* ci is only NULL when replaying.
00892            * When replaying, the message that someone started a new company
00893            * is not interesting at all. */
00894           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, c->index + 1);
00895         }
00896       }
00897 #endif /* ENABLE_NETWORK */
00898       break;
00899     }
00900 
00901     case 1: // Make a new AI company
00902       if (!(flags & DC_EXEC)) return CommandCost();
00903 
00904       if (company_id != INVALID_COMPANY && (company_id >= MAX_COMPANIES || Company::IsValidID(company_id))) return CMD_ERROR;
00905       DoStartupNewCompany(true, company_id);
00906       break;
00907 
00908     case 2: { // Delete a company
00909       CompanyRemoveReason reason = (CompanyRemoveReason)GB(p2, 0, 2);
00910       if (reason >= CRR_END) return CMD_ERROR;
00911 
00912       Company *c = Company::GetIfValid(company_id);
00913       if (c == NULL) return CMD_ERROR;
00914 
00915       if (!(flags & DC_EXEC)) return CommandCost();
00916 
00917       /* Delete any open window of the company */
00918       DeleteCompanyWindows(c->index);
00919       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00920       cni->FillData(c);
00921 
00922       /* Show the bankrupt news */
00923       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00924       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00925       SetDParamStr(2, cni->company_name);
00926       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, cni);
00927 
00928       /* Remove the company */
00929       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00930       if (c->is_ai) AI::Stop(c->index);
00931 
00932       CompanyID c_index = c->index;
00933       delete c;
00934       AI::BroadcastNewEvent(new ScriptEventCompanyBankrupt(c_index));
00935       Game::NewEvent(new ScriptEventCompanyBankrupt(c_index));
00936       CompanyAdminRemove(c_index, (CompanyRemoveReason)reason);
00937       break;
00938     }
00939 
00940     default: return CMD_ERROR;
00941   }
00942 
00943   InvalidateWindowClassesData(WC_GAME_OPTIONS);
00944   InvalidateWindowClassesData(WC_AI_SETTINGS);
00945   InvalidateWindowClassesData(WC_AI_LIST);
00946 
00947   return CommandCost();
00948 }
00949 
00959 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00960 {
00961   CompanyManagerFace cmf = (CompanyManagerFace)p2;
00962 
00963   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
00964 
00965   if (flags & DC_EXEC) {
00966     Company::Get(_current_company)->face = cmf;
00967     MarkWholeScreenDirty();
00968   }
00969   return CommandCost();
00970 }
00971 
00983 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00984 {
00985   Colours colour = Extract<Colours, 0, 4>(p2);
00986   LiveryScheme scheme = Extract<LiveryScheme, 0, 8>(p1);
00987   byte state = GB(p1, 8, 2);
00988 
00989   if (scheme >= LS_END || state >= 3 || colour == INVALID_COLOUR) return CMD_ERROR;
00990 
00991   Company *c = Company::Get(_current_company);
00992 
00993   /* Ensure no two companies have the same primary colour */
00994   if (scheme == LS_DEFAULT && state == 0) {
00995     const Company *cc;
00996     FOR_ALL_COMPANIES(cc) {
00997       if (cc != c && cc->colour == colour) return CMD_ERROR;
00998     }
00999   }
01000 
01001   if (flags & DC_EXEC) {
01002     switch (state) {
01003       case 0:
01004         c->livery[scheme].colour1 = colour;
01005 
01006         /* If setting the first colour of the default scheme, adjust the
01007          * original and cached company colours too. */
01008         if (scheme == LS_DEFAULT) {
01009           _company_colours[_current_company] = colour;
01010           c->colour = colour;
01011           CompanyAdminUpdate(c);
01012         }
01013         break;
01014 
01015       case 1:
01016         c->livery[scheme].colour2 = colour;
01017         break;
01018 
01019       case 2:
01020         c->livery[scheme].in_use = colour != 0;
01021 
01022         /* Now handle setting the default scheme's in_use flag.
01023          * This is different to the other schemes, as it signifies if any
01024          * scheme is active at all. If this flag is not set, then no
01025          * processing of vehicle types occurs at all, and only the default
01026          * colours will be used. */
01027 
01028         /* If enabling a scheme, set the default scheme to be in use too */
01029         if (colour != 0) {
01030           c->livery[LS_DEFAULT].in_use = true;
01031           break;
01032         }
01033 
01034         /* Else loop through all schemes to see if any are left enabled.
01035          * If not, disable the default scheme too. */
01036         c->livery[LS_DEFAULT].in_use = false;
01037         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
01038           if (c->livery[scheme].in_use) {
01039             c->livery[LS_DEFAULT].in_use = true;
01040             break;
01041           }
01042         }
01043         break;
01044 
01045       default:
01046         break;
01047     }
01048     ResetVehicleColourMap();
01049     MarkWholeScreenDirty();
01050 
01051     /* All graph related to companies use the company colour. */
01052     InvalidateWindowData(WC_INCOME_GRAPH, 0);
01053     InvalidateWindowData(WC_OPERATING_PROFIT, 0);
01054     InvalidateWindowData(WC_DELIVERED_CARGO, 0);
01055     InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
01056     InvalidateWindowData(WC_COMPANY_VALUE, 0);
01057     InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
01058     /* The smallmap owner view also stores the company colours. */
01059     BuildOwnerLegend();
01060     InvalidateWindowData(WC_SMALLMAP, 0, 1);
01061 
01062     /* Company colour data is indirectly cached. */
01063     Vehicle *v;
01064     FOR_ALL_VEHICLES(v) {
01065       if (v->owner == _current_company) v->InvalidateNewGRFCache();
01066     }
01067 
01068     extern void UpdateObjectColours(const Company *c);
01069     UpdateObjectColours(c);
01070   }
01071   return CommandCost();
01072 }
01073 
01079 static bool IsUniqueCompanyName(const char *name)
01080 {
01081   const Company *c;
01082 
01083   FOR_ALL_COMPANIES(c) {
01084     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
01085   }
01086 
01087   return true;
01088 }
01089 
01099 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01100 {
01101   bool reset = StrEmpty(text);
01102 
01103   if (!reset) {
01104     if (Utf8StringLength(text) >= MAX_LENGTH_COMPANY_NAME_CHARS) return CMD_ERROR;
01105     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
01106   }
01107 
01108   if (flags & DC_EXEC) {
01109     Company *c = Company::Get(_current_company);
01110     free(c->name);
01111     c->name = reset ? NULL : strdup(text);
01112     MarkWholeScreenDirty();
01113     CompanyAdminUpdate(c);
01114   }
01115 
01116   return CommandCost();
01117 }
01118 
01124 static bool IsUniquePresidentName(const char *name)
01125 {
01126   const Company *c;
01127 
01128   FOR_ALL_COMPANIES(c) {
01129     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
01130   }
01131 
01132   return true;
01133 }
01134 
01144 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01145 {
01146   bool reset = StrEmpty(text);
01147 
01148   if (!reset) {
01149     if (Utf8StringLength(text) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) return CMD_ERROR;
01150     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
01151   }
01152 
01153   if (flags & DC_EXEC) {
01154     Company *c = Company::Get(_current_company);
01155     free(c->president_name);
01156 
01157     if (reset) {
01158       c->president_name = NULL;
01159     } else {
01160       c->president_name = strdup(text);
01161 
01162       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
01163         char buf[80];
01164 
01165         snprintf(buf, lengthof(buf), "%s Transport", text);
01166         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
01167       }
01168     }
01169 
01170     MarkWholeScreenDirty();
01171     CompanyAdminUpdate(c);
01172   }
01173 
01174   return CommandCost();
01175 }
01176 
01183 int CompanyServiceInterval(const Company *c, VehicleType type)
01184 {
01185   const VehicleDefaultSettings *vds = (c == NULL) ? &_settings_client.company.vehicle : &c->settings.vehicle;
01186   switch (type) {
01187     default: NOT_REACHED();
01188     case VEH_TRAIN:    return vds->servint_trains;
01189     case VEH_ROAD:     return vds->servint_roadveh;
01190     case VEH_AIRCRAFT: return vds->servint_aircraft;
01191     case VEH_SHIP:     return vds->servint_ships;
01192   }
01193 }