# company_cmd.cpp

Go to the documentation of this file.

    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 "engine_base.h"
    00014 #include "company_base.h"
    00015 #include "company_func.h"
    00016 #include "company_gui.h"
    00017 #include "town.h"
    00018 #include "news_func.h"
    00019 #include "cmd_helper.h"
    00020 #include "command_func.h"
    00021 #include "network/network.h"
    00022 #include "network/network_func.h"
    00023 #include "network/network_base.h"
    00024 #include "network/network_admin.h"
    00025 #include "ai/ai.hpp"
    00026 #include "company_manager_face.h"
    00027 #include "window_func.h"
    00028 #include "strings_func.h"
    00029 #include "date_func.h"
    00030 #include "sound_func.h"
    00031 #include "rail.h"
    00032 #include "core/pool_func.hpp"
    00033 #include "settings_func.h"
    00034 #include "vehicle_base.h"
    00035 #include "vehicle_func.h"
    00036 #include "sprite.h"
    00037 #include "smallmap_gui.h"
    00038
    00039 #include "table/strings.h"
    00040
    00041 CompanyByte _local_company;
    00042 CompanyByte _current_company;
    00043 Colours _company_colours[MAX_COMPANIES];
    00044 CompanyManagerFace _company_manager_face;
    00045 uint _next_competitor_start;
    00046 uint _cur_company_tick_index;
    00047
    00048 CompanyPool _company_pool("Company");
    00049 INSTANTIATE_POOL_METHODS(Company)
    00050
    00051
    00056 Company::Company(uint16 name_1, bool is_ai)
    00057 {
    00058   this->name_1 = name_1;
    00059   this->location_of_HQ = INVALID_TILE;
    00060   this->is_ai = is_ai;
    00061   this->terraform_limit = _settings_game.construction.terraform_frame_burst << 16;
    00062   this->clear_limit     = _settings_game.construction.clear_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   free(this->num_engines);
    00072
    00073   if (CleaningPool()) return;
    00074
    00075   DeleteCompanyWindows(this->index);
    00076 }
    00077
    00082 void Company::PostDestructor(size_t index)
    00083 {
    00084   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
    00085   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
    00086   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00087   /* If the currently shown error message has this company in it, then close it. */
    00088   InvalidateWindowData(WC_ERRMSG, 0);
    00089 }
    00090
    00097 void SetLocalCompany(CompanyID new_company)
    00098 {
    00099   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00100   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00101
    00102 #ifdef ENABLE_NETWORK
    00103   /* Delete the chat window, if you were team chatting. */
    00104   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
    00105 #endif
    00106
    00107   assert(IsLocalCompany());
    00108
    00109   _current_company = _local_company = new_company;
    00110
    00111   /* Delete any construction windows... */
    00112   DeleteConstructionWindows();
    00113
    00114   /* ... and redraw the whole screen. */
    00115   MarkWholeScreenDirty();
    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   }
    00266 }
    00267
    00274 void GetNameOfOwner(Owner owner, TileIndex tile)
    00275 {
    00276   SetDParam(2, owner);
    00277
    00278   if (owner != OWNER_TOWN) {
    00279     if (!Company::IsValidID(owner)) {
    00280       SetDParam(0, STR_COMPANY_SOMEONE);
    00281     } else {
    00282       SetDParam(0, STR_COMPANY_NAME);
    00283       SetDParam(1, owner);
    00284     }
    00285   } else {
    00286     assert(tile != 0);
    00287     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00288
    00289     SetDParam(0, STR_TOWN_NAME);
    00290     SetDParam(1, t->index);
    00291   }
    00292 }
    00293
    00294
    00303 CommandCost CheckOwnership(Owner owner, TileIndex tile)
    00304 {
    00305   assert(owner < OWNER_END);
    00306   assert(owner != OWNER_TOWN || tile != 0);
    00307
    00308   if (owner == _current_company) return CommandCost();
    00309
    00310   GetNameOfOwner(owner, tile);
    00311   return_cmd_error(STR_ERROR_OWNED_BY);
    00312 }
    00313
    00321 CommandCost CheckTileOwnership(TileIndex tile)
    00322 {
    00323   Owner owner = GetTileOwner(tile);
    00324
    00325   assert(owner < OWNER_END);
    00326
    00327   if (owner == _current_company) return CommandCost();
    00328
    00329   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00330   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00331   return_cmd_error(STR_ERROR_OWNED_BY);
    00332 }
    00333
    00338 static void GenerateCompanyName(Company *c)
    00339 {
    00340   /* Reserve space for extra unicode character. We need to do this to be able
    00341    * to detect too long company name. */
    00342   char buffer[(MAX_LENGTH_COMPANY_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00343
    00344   if (c->name_1 != STR_SV_UNNAMED) return;
    00345   if (c->last_build_coordinate == 0) return;
    00346
    00347   Town *t = ClosestTownFromTile(c->last_build_coordinate, UINT_MAX);
    00348
    00349   StringID str;
    00350   uint32 strp;
    00351   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00352     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
    00353     strp = t->townnameparts;
    00354
    00355 verify_name:;
    00356     /* No companies must have this name already */
    00357     Company *cc;
    00358     FOR_ALL_COMPANIES(cc) {
    00359       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00360     }
    00361
    00362     GetString(buffer, str, lastof(buffer));
    00363     if (Utf8StringLength(buffer) >= MAX_LENGTH_COMPANY_NAME_CHARS) goto bad_town_name;
    00364
    00365 set_name:;
    00366     c->name_1 = str;
    00367     c->name_2 = strp;
    00368
    00369     MarkWholeScreenDirty();
    00370
    00371     if (c->is_ai) {
    00372       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00373       cni->FillData(c);
    00374       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
    00375       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
    00376       SetDParamStr(2, cni->company_name);
    00377       SetDParam(3, t->index);
    00378       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
    00379     }
    00380     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
    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
    00396 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
    00397 static const Colours _similar_colour[COLOUR_END][2] = {
    00398   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
    00399   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
    00400   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
    00401   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
    00402   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
    00403   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
    00404   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
    00405   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
    00406   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
    00407   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
    00408   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
    00409   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
    00410   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
    00411   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
    00412   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
    00413   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
    00414 };
    00415
    00420 static Colours GenerateCompanyColour()
    00421 {
    00422   Colours colours[COLOUR_END];
    00423
    00424   /* Initialize array */
    00425   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
    00426
    00427   /* And randomize it */
    00428   for (uint i = 0; i < 100; i++) {
    00429     uint r = Random();
    00430     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
    00431   }
    00432
    00433   /* Bubble sort it according to the values in table 1 */
    00434   for (uint i = 0; i < COLOUR_END; i++) {
    00435     for (uint j = 1; j < COLOUR_END; j++) {
    00436       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
    00437         Swap(colours[j - 1], colours[j]);
    00438       }
    00439     }
    00440   }
    00441
    00442   /* Move the colours that look similar to each company's colour to the side */
    00443   Company *c;
    00444   FOR_ALL_COMPANIES(c) {
    00445     Colours pcolour = (Colours)c->colour;
    00446
    00447     for (uint i = 0; i < COLOUR_END; i++) {
    00448       if (colours[i] == pcolour) {
    00449         colours[i] = INVALID_COLOUR;
    00450         break;
    00451       }
    00452     }
    00453
    00454     for (uint j = 0; j < 2; j++) {
    00455       Colours similar = _similar_colour[pcolour][j];
    00456       if (similar == INVALID_COLOUR) break;
    00457
    00458       for (uint i = 1; i < COLOUR_END; i++) {
    00459         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
    00460       }
    00461     }
    00462   }
    00463
    00464   /* Return the first available colour */
    00465   for (uint i = 0; i < COLOUR_END; i++) {
    00466     if (colours[i] != INVALID_COLOUR) return colours[i];
    00467   }
    00468
    00469   NOT_REACHED();
    00470 }
    00471
    00476 static void GeneratePresidentName(Company *c)
    00477 {
    00478   for (;;) {
    00479 restart:;
    00480     c->president_name_2 = Random();
    00481     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
    00482
    00483     /* Reserve space for extra unicode character. We need to do this to be able
    00484      * to detect too long president name. */
    00485     char buffer[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00486     SetDParam(0, c->index);
    00487     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    00488     if (Utf8StringLength(buffer) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) continue;
    00489
    00490     Company *cc;
    00491     FOR_ALL_COMPANIES(cc) {
    00492       if (c != cc) {
    00493         /* Reserve extra space so even overlength president names can be compared. */
    00494         char buffer2[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00495         SetDParam(0, cc->index);
    00496         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
    00497         if (strcmp(buffer2, buffer) == 0) goto restart;
    00498       }
    00499     }
    00500     return;
    00501   }
    00502 }
    00503
    00509 void ResetCompanyLivery(Company *c)
    00510 {
    00511   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    00512     c->livery[scheme].in_use  = false;
    00513     c->livery[scheme].colour1 = c->colour;
    00514     c->livery[scheme].colour2 = c->colour;
    00515   }
    00516 }
    00517
    00525 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
    00526 {
    00527   if (!Company::CanAllocateItem()) return NULL;
    00528
    00529   /* we have to generate colour before this company is valid */
    00530   Colours colour = GenerateCompanyColour();
    00531
    00532   Company *c;
    00533   if (company == INVALID_COMPANY) {
    00534     c = new Company(STR_SV_UNNAMED, is_ai);
    00535   } else {
    00536     if (Company::IsValidID(company)) return NULL;
    00537     c = new (company) Company(STR_SV_UNNAMED, is_ai);
    00538   }
    00539
    00540   c->colour = colour;
    00541
    00542   ResetCompanyLivery(c);
    00543   _company_colours[c->index] = (Colours)c->colour;
    00544
    00545   c->money = c->current_loan = 100000;
    00546
    00547   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
    00548
    00549   c->avail_railtypes = GetCompanyRailtypes(c->index);
    00550   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
    00551   c->inaugurated_year = _cur_year;
    00552   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
    00553
    00554   SetDefaultCompanySettings(c->index);
    00555
    00556   GeneratePresidentName(c);
    00557
    00558   SetWindowDirty(WC_GRAPH_LEGEND, 0);
    00559   SetWindowDirty(WC_TOOLBAR_MENU, 0);
    00560   SetWindowDirty(WC_CLIENT_LIST, 0);
    00561   BuildOwnerLegend();
    00562   InvalidateWindowData(WC_SMALLMAP, 0, 1);
    00563
    00564   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00565
    00566   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
    00567
    00568   return c;
    00569 }
    00570
    00572 void StartupCompanies()
    00573 {
    00574   _next_competitor_start = 0;
    00575 }
    00576
    00577 #ifdef ENABLE_AI
    00578
    00579 static void MaybeStartNewCompany()
    00580 {
    00581 #ifdef ENABLE_NETWORK
    00582   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
    00583 #endif /* ENABLE_NETWORK */
    00584
    00585   Company *c;
    00586
    00587   /* count number of competitors */
    00588   uint n = 0;
    00589   FOR_ALL_COMPANIES(c) {
    00590     if (c->is_ai) n++;
    00591   }
    00592
    00593   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00594     /* Send a command to all clients to start up a new AI.
    00595      * Works fine for Multiplayer and Singleplayer */
    00596     DoCommandP(0, 1 | INVALID_COMPANY << 16, 0, CMD_COMPANY_CTRL);
    00597   }
    00598 }
    00599 #endif /* ENABLE_AI */
    00600
    00602 void InitializeCompanies()
    00603 {
    00604   _company_pool.CleanPool();
    00605   _cur_company_tick_index = 0;
    00606 }
    00607
    00614 bool MayCompanyTakeOver(CompanyID cbig, CompanyID csmall)
    00615 {
    00616   uint big_counts[4], small_counts[4];
    00617   CountCompanyVehicles(cbig,   big_counts);
    00618   CountCompanyVehicles(csmall, small_counts);
    00619
    00620   /* Do the combined vehicle counts stay within the limits? */
    00621   return big_counts[VEH_TRAIN]     + small_counts[VEH_TRAIN]    <= _settings_game.vehicle.max_trains &&
    00622     big_counts[VEH_ROAD]     + small_counts[VEH_ROAD]     <= _settings_game.vehicle.max_roadveh &&
    00623     big_counts[VEH_SHIP]     + small_counts[VEH_SHIP]     <= _settings_game.vehicle.max_ships &&
    00624     big_counts[VEH_AIRCRAFT] + small_counts[VEH_AIRCRAFT] <= _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 AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
    00684   } else if (IsInteractiveCompany(best->index)) {
    00685     ShowBuyCompanyDialog(c->index);
    00686   }
    00687 }
    00688
    00689 void OnTick_Companies()
    00690 {
    00691   if (_game_mode == GM_EDITOR) return;
    00692
    00693   Company *c = Company::GetIfValid(_cur_company_tick_index);
    00694   if (c != NULL) {
    00695     if (c->name_1 != 0) GenerateCompanyName(c);
    00696     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
    00697   }
    00698
    00699 #ifdef ENABLE_AI
    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 #endif /* ENABLE_AI */
    00708
    00709   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00710 }
    00711
    00716 void CompaniesYearlyLoop()
    00717 {
    00718   Company *c;
    00719
    00720   /* Copy statistics */
    00721   FOR_ALL_COMPANIES(c) {
    00722     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00723     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00724     SetWindowDirty(WC_FINANCES, c->index);
    00725   }
    00726
    00727   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00728     ShowCompanyFinances(_local_company);
    00729     c = Company::Get(_local_company);
    00730     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00731       SndPlayFx(SND_01_BAD_YEAR);
    00732     } else {
    00733       SndPlayFx(SND_00_GOOD_YEAR);
    00734     }
    00735   }
    00736 }
    00737
    00743 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00744 {
    00745   SetDParam(0, c->index);
    00746   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00747
    00748   if (other == NULL) {
    00749     *this->other_company_name = '\0';
    00750   } else {
    00751     SetDParam(0, other->index);
    00752     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00753     c = other;
    00754   }
    00755
    00756   SetDParam(0, c->index);
    00757   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
    00758
    00759   this->colour = c->colour;
    00760   this->face = c->face;
    00761
    00762 }
    00763
    00768 void CompanyAdminUpdate(const Company *company)
    00769 {
    00770 #ifdef ENABLE_NETWORK
    00771   if (_network_server) NetworkAdminCompanyUpdate(company);
    00772 #endif /* ENABLE_NETWORK */
    00773 }
    00774
    00779 void CompanyAdminBankrupt(CompanyID company_id)
    00780 {
    00781 #ifdef ENABLE_NETWORK
    00782   if (_network_server) NetworkAdminCompanyRemove(company_id, ADMIN_CRR_BANKRUPT);
    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 = NetworkFindClientInfoFromClientID(client_id);
    00817       if (ci == NULL) return CommandCost();
    00818
    00819       /* Delete multiplayer progress bar */
    00820       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
    00821
    00822       Company *c = DoStartupNewCompany(false);
    00823
    00824       /* A new company could not be created, revert to being a spectator */
    00825       if (c == NULL) {
    00826         if (_network_server) {
    00827           ci->client_playas = COMPANY_SPECTATOR;
    00828           NetworkUpdateClientInfo(ci->client_id);
    00829         }
    00830         break;
    00831       }
    00832
    00833       /* This is the client (or non-dedicated server) who wants a new company */
    00834       if (client_id == _network_own_client_id) {
    00835         assert(_local_company == COMPANY_SPECTATOR);
    00836         SetLocalCompany(c->index);
    00837         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00838           NetworkChangeCompanyPassword(_local_company, _settings_client.network.default_company_pass);
    00839         }
    00840
    00841         /* Now that we have a new company, broadcast our company settings to
    00842          * all clients so everything is in sync */
    00843         SyncCompanySettings();
    00844
    00845         MarkWholeScreenDirty();
    00846       }
    00847
    00848       if (_network_server) {
    00849         CompanyID old_playas = ci->client_playas;
    00850         ci->client_playas = c->index;
    00851         NetworkUpdateClientInfo(ci->client_id);
    00852
    00853         if (Company::IsValidID(ci->client_playas)) {
    00854           _network_company_states[c->index].months_empty = 0;
    00855           _network_company_states[c->index].password[0] = '\0';
    00856           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
    00857
    00858           /* XXX - When a client joins, we automatically set its name to the
    00859            * client's name (for some reason). As it stands now only the server
    00860            * knows the client's name, so it needs to send out a "broadcast" to
    00861            * do this. To achieve this we send a network command. However, it
    00862            * uses _local_company to execute the command as.  To prevent abuse
    00863            * (eg. only yourself can change your name/company), we 'cheat' by
    00864            * impersonation _local_company as the server. Not the best solution;
    00865            * but it works.
    00866            * TODO: Perhaps this could be improved by when the client is ready
    00867            * with joining to let it send itself the command, and not the server?
    00868            * For example in network_client.c:534? */
    00869           NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, ci->client_playas);
    00870         }
    00871
    00872         /* Announce new company on network, if the client was a SPECTATOR before */
    00873         if (old_playas == COMPANY_SPECTATOR) {
    00874           NetworkAdminCompanyInfo(c, true);
    00875           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
    00876         }
    00877       }
    00878 #endif /* ENABLE_NETWORK */
    00879       break;
    00880     }
    00881
    00882     case 1: // Make a new AI company
    00883       if (!(flags & DC_EXEC)) return CommandCost();
    00884
    00885       if (company_id != INVALID_COMPANY && (company_id >= MAX_COMPANIES || Company::IsValidID(company_id))) return CMD_ERROR;
    00886       DoStartupNewCompany(true, company_id);
    00887       break;
    00888
    00889     case 2: { // Delete a company
    00890       Company *c = Company::GetIfValid(company_id);
    00891       if (c == NULL) return CMD_ERROR;
    00892
    00893       if (!(flags & DC_EXEC)) return CommandCost();
    00894
    00895       /* Delete any open window of the company */
    00896       DeleteCompanyWindows(c->index);
    00897       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00898       cni->FillData(c);
    00899
    00900       /* Show the bankrupt news */
    00901       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
    00902       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
    00903       SetDParamStr(2, cni->company_name);
    00904       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
    00905
    00906       /* Remove the company */
    00907       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00908       if (c->is_ai) AI::Stop(c->index);
    00909
    00910       CompanyID c_index = c->index;
    00911       delete c;
    00912       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
    00913       CompanyAdminBankrupt(c_index);
    00914       break;
    00915     }
    00916
    00917     default: return CMD_ERROR;
    00918   }
    00919
    00920   InvalidateWindowClassesData(WC_GAME_OPTIONS);
    00921   InvalidateWindowClassesData(WC_AI_SETTINGS);
    00922   InvalidateWindowClassesData(WC_AI_LIST);
    00923
    00924   return CommandCost();
    00925 }
    00926
    00936 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00937 {
    00938   CompanyManagerFace cmf = (CompanyManagerFace)p2;
    00939
    00940   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
    00941
    00942   if (flags & DC_EXEC) {
    00943     Company::Get(_current_company)->face = cmf;
    00944     MarkWholeScreenDirty();
    00945   }
    00946   return CommandCost();
    00947 }
    00948
    00960 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00961 {
    00962   Colours colour = Extract<Colours, 0, 4>(p2);
    00963   LiveryScheme scheme = Extract<LiveryScheme, 0, 8>(p1);
    00964   byte state = GB(p1, 8, 2);
    00965
    00966   if (scheme >= LS_END || state >= 3 || colour == INVALID_COLOUR) return CMD_ERROR;
    00967
    00968   Company *c = Company::Get(_current_company);
    00969
    00970   /* Ensure no two companies have the same primary colour */
    00971   if (scheme == LS_DEFAULT && state == 0) {
    00972     const Company *cc;
    00973     FOR_ALL_COMPANIES(cc) {
    00974       if (cc != c && cc->colour == colour) return CMD_ERROR;
    00975     }
    00976   }
    00977
    00978   if (flags & DC_EXEC) {
    00979     switch (state) {
    00980       case 0:
    00981         c->livery[scheme].colour1 = colour;
    00982
    00983         /* If setting the first colour of the default scheme, adjust the
    00984          * original and cached company colours too. */
    00985         if (scheme == LS_DEFAULT) {
    00986           _company_colours[_current_company] = colour;
    00987           c->colour = colour;
    00988           CompanyAdminUpdate(c);
    00989         }
    00990         break;
    00991
    00992       case 1:
    00993         c->livery[scheme].colour2 = colour;
    00994         break;
    00995
    00996       case 2:
    00997         c->livery[scheme].in_use = colour != 0;
    00998
    00999         /* Now handle setting the default scheme's in_use flag.
    01000          * This is different to the other schemes, as it signifies if any
    01001          * scheme is active at all. If this flag is not set, then no
    01002          * processing of vehicle types occurs at all, and only the default
    01003          * colours will be used. */
    01004
    01005         /* If enabling a scheme, set the default scheme to be in use too */
    01006         if (colour != 0) {
    01007           c->livery[LS_DEFAULT].in_use = true;
    01008           break;
    01009         }
    01010
    01011         /* Else loop through all schemes to see if any are left enabled.
    01012          * If not, disable the default scheme too. */
    01013         c->livery[LS_DEFAULT].in_use = false;
    01014         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
    01015           if (c->livery[scheme].in_use) {
    01016             c->livery[LS_DEFAULT].in_use = true;
    01017             break;
    01018           }
    01019         }
    01020         break;
    01021
    01022       default:
    01023         break;
    01024     }
    01025     ResetVehicleColourMap();
    01026     MarkWholeScreenDirty();
    01027
    01028     /* All graph related to companies use the company colour. */
    01029     InvalidateWindowData(WC_INCOME_GRAPH, 0);
    01030     InvalidateWindowData(WC_OPERATING_PROFIT, 0);
    01031     InvalidateWindowData(WC_DELIVERED_CARGO, 0);
    01032     InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
    01033     InvalidateWindowData(WC_COMPANY_VALUE, 0);
    01034     /* The smallmap owner view also stores the company colours. */
    01035     BuildOwnerLegend();
    01036     InvalidateWindowData(WC_SMALLMAP, 0, 1);
    01037
    01038     /* Company colour data is indirectly cached. */
    01039     Vehicle *v;
    01040     FOR_ALL_VEHICLES(v) {
    01041       if (v->owner == _current_company) v->InvalidateNewGRFCache();
    01042     }
    01043
    01044     extern void UpdateObjectColours(const Company *c);
    01045     UpdateObjectColours(c);
    01046   }
    01047   return CommandCost();
    01048 }
    01049
    01055 static bool IsUniqueCompanyName(const char *name)
    01056 {
    01057   const Company *c;
    01058
    01059   FOR_ALL_COMPANIES(c) {
    01060     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
    01061   }
    01062
    01063   return true;
    01064 }
    01065
    01075 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01076 {
    01077   bool reset = StrEmpty(text);
    01078
    01079   if (!reset) {
    01080     if (Utf8StringLength(text) >= MAX_LENGTH_COMPANY_NAME_CHARS) return CMD_ERROR;
    01081     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01082   }
    01083
    01084   if (flags & DC_EXEC) {
    01085     Company *c = Company::Get(_current_company);
    01086     free(c->name);
    01087     c->name = reset ? NULL : strdup(text);
    01088     MarkWholeScreenDirty();
    01089     CompanyAdminUpdate(c);
    01090   }
    01091
    01092   return CommandCost();
    01093 }
    01094
    01100 static bool IsUniquePresidentName(const char *name)
    01101 {
    01102   const Company *c;
    01103
    01104   FOR_ALL_COMPANIES(c) {
    01105     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
    01106   }
    01107
    01108   return true;
    01109 }
    01110
    01120 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01121 {
    01122   bool reset = StrEmpty(text);
    01123
    01124   if (!reset) {
    01125     if (Utf8StringLength(text) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) return CMD_ERROR;
    01126     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01127   }
    01128
    01129   if (flags & DC_EXEC) {
    01130     Company *c = Company::Get(_current_company);
    01131     free(c->president_name);
    01132
    01133     if (reset) {
    01134       c->president_name = NULL;
    01135     } else {
    01136       c->president_name = strdup(text);
    01137
    01138       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
    01139         char buf[80];
    01140
    01141         snprintf(buf, lengthof(buf), "%s Transport", text);
    01142         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
    01143       }
    01144     }
    01145
    01146     MarkWholeScreenDirty();
    01147     CompanyAdminUpdate(c);
    01148   }
    01149
    01150   return CommandCost();
    01151 }