# 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
    00063   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
    00064   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
    00065 }
    00066
    00068 Company::~Company()
    00069 {
    00070   if (CleaningPool()) return;
    00071
    00072   DeleteCompanyWindows(this->index);
    00073 }
    00074
    00079 void Company::PostDestructor(size_t index)
    00080 {
    00081   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
    00082   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
    00083   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00084   InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
    00085   /* If the currently shown error message has this company in it, then close it. */
    00086   InvalidateWindowData(WC_ERRMSG, 0);
    00087 }
    00088
    00095 void SetLocalCompany(CompanyID new_company)
    00096 {
    00097   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00098   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00099
    00100 #ifdef ENABLE_NETWORK
    00101   /* Delete the chat window, if you were team chatting. */
    00102   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
    00103 #endif
    00104
    00105   assert(IsLocalCompany());
    00106
    00107   _current_company = _local_company = new_company;
    00108
    00109   /* Delete any construction windows... */
    00110   DeleteConstructionWindows();
    00111
    00112   /* ... and redraw the whole screen. */
    00113   MarkWholeScreenDirty();
    00114   InvalidateWindowClassesData(WC_SIGN_LIST, -1);
    00115 }
    00116
    00122 TextColour GetDrawStringCompanyColour(CompanyID company)
    00123 {
    00124   if (!Company::IsValidID(company)) return (TextColour)_colour_gradient[COLOUR_WHITE][4] | TC_IS_PALETTE_COLOUR;
    00125   return (TextColour)_colour_gradient[_company_colours[company]][4] | TC_IS_PALETTE_COLOUR;
    00126 }
    00127
    00134 void DrawCompanyIcon(CompanyID c, int x, int y)
    00135 {
    00136   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
    00137 }
    00138
    00145 static bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
    00146 {
    00147   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
    00148
    00149   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
    00150   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
    00151   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
    00152   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
    00153
    00154   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
    00155   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    00156     switch (cmfv) {
    00157       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
    00158       case CMFV_LIPS:        // FALL THROUGH
    00159       case CMFV_NOSE:        if (has_moustache)    continue; break;
    00160       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
    00161       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
    00162       default: break;
    00163     }
    00164     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
    00165   }
    00166
    00167   return true;
    00168 }
    00169
    00174 void InvalidateCompanyWindows(const Company *company)
    00175 {
    00176   CompanyID cid = company->index;
    00177
    00178   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
    00179   SetWindowDirty(WC_FINANCES, cid);
    00180 }
    00181
    00187 bool CheckCompanyHasMoney(CommandCost &cost)
    00188 {
    00189   if (cost.GetCost() > 0) {
    00190     const Company *c = Company::GetIfValid(_current_company);
    00191     if (c != NULL && cost.GetCost() > c->money) {
    00192       SetDParam(0, cost.GetCost());
    00193       cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
    00194       return false;
    00195     }
    00196   }
    00197   return true;
    00198 }
    00199
    00205 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
    00206 {
    00207   if (cost.GetCost() == 0) return;
    00208   assert(cost.GetExpensesType() != INVALID_EXPENSES);
    00209
    00210   c->money -= cost.GetCost();
    00211   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
    00212
    00213   if (HasBit(1 << EXPENSES_TRAIN_INC    |
    00214              1 << EXPENSES_ROADVEH_INC  |
    00215              1 << EXPENSES_AIRCRAFT_INC |
    00216              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    00217     c->cur_economy.income -= cost.GetCost();
    00218   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
    00219                     1 << EXPENSES_ROADVEH_RUN  |
    00220                     1 << EXPENSES_AIRCRAFT_RUN |
    00221                     1 << EXPENSES_SHIP_RUN     |
    00222                     1 << EXPENSES_PROPERTY     |
    00223                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    00224     c->cur_economy.expenses -= cost.GetCost();
    00225   }
    00226
    00227   InvalidateCompanyWindows(c);
    00228 }
    00229
    00234 void SubtractMoneyFromCompany(CommandCost cost)
    00235 {
    00236   Company *c = Company::GetIfValid(_current_company);
    00237   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
    00238 }
    00239
    00245 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
    00246 {
    00247   Company *c = Company::Get(company);
    00248   byte m = c->money_fraction;
    00249   Money cost = cst.GetCost();
    00250
    00251   c->money_fraction = m - (byte)cost;
    00252   cost >>= 8;
    00253   if (c->money_fraction > m) cost++;
    00254   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
    00255 }
    00256
    00258 void UpdateLandscapingLimits()
    00259 {
    00260   Company *c;
    00261   FOR_ALL_COMPANIES(c) {
    00262     c->terraform_limit = min(c->terraform_limit + _settings_game.construction.terraform_per_64k_frames, (uint32)_settings_game.construction.terraform_frame_burst << 16);
    00263     c->clear_limit     = min(c->clear_limit     + _settings_game.construction.clear_per_64k_frames,     (uint32)_settings_game.construction.clear_frame_burst << 16);
    00264   }
    00265 }
    00266
    00273 void GetNameOfOwner(Owner owner, TileIndex tile)
    00274 {
    00275   SetDParam(2, owner);
    00276
    00277   if (owner != OWNER_TOWN) {
    00278     if (!Company::IsValidID(owner)) {
    00279       SetDParam(0, STR_COMPANY_SOMEONE);
    00280     } else {
    00281       SetDParam(0, STR_COMPANY_NAME);
    00282       SetDParam(1, owner);
    00283     }
    00284   } else {
    00285     assert(tile != 0);
    00286     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00287
    00288     SetDParam(0, STR_TOWN_NAME);
    00289     SetDParam(1, t->index);
    00290   }
    00291 }
    00292
    00293
    00302 CommandCost CheckOwnership(Owner owner, TileIndex tile)
    00303 {
    00304   assert(owner < OWNER_END);
    00305   assert(owner != OWNER_TOWN || tile != 0);
    00306
    00307   if (owner == _current_company) return CommandCost();
    00308
    00309   GetNameOfOwner(owner, tile);
    00310   return_cmd_error(STR_ERROR_OWNED_BY);
    00311 }
    00312
    00320 CommandCost CheckTileOwnership(TileIndex tile)
    00321 {
    00322   Owner owner = GetTileOwner(tile);
    00323
    00324   assert(owner < OWNER_END);
    00325
    00326   if (owner == _current_company) return CommandCost();
    00327
    00328   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00329   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00330   return_cmd_error(STR_ERROR_OWNED_BY);
    00331 }
    00332
    00337 static void GenerateCompanyName(Company *c)
    00338 {
    00339   /* Reserve space for extra unicode character. We need to do this to be able
    00340    * to detect too long company name. */
    00341   char buffer[(MAX_LENGTH_COMPANY_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00342
    00343   if (c->name_1 != STR_SV_UNNAMED) return;
    00344   if (c->last_build_coordinate == 0) return;
    00345
    00346   Town *t = ClosestTownFromTile(c->last_build_coordinate, UINT_MAX);
    00347
    00348   StringID str;
    00349   uint32 strp;
    00350   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00351     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_COMPANY_NAME_START;
    00352     strp = t->townnameparts;
    00353
    00354 verify_name:;
    00355     /* No companies must have this name already */
    00356     Company *cc;
    00357     FOR_ALL_COMPANIES(cc) {
    00358       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00359     }
    00360
    00361     GetString(buffer, str, lastof(buffer));
    00362     if (Utf8StringLength(buffer) >= MAX_LENGTH_COMPANY_NAME_CHARS) goto bad_town_name;
    00363
    00364 set_name:;
    00365     c->name_1 = str;
    00366     c->name_2 = strp;
    00367
    00368     MarkWholeScreenDirty();
    00369
    00370     if (c->is_ai) {
    00371       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00372       cni->FillData(c);
    00373       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
    00374       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
    00375       SetDParamStr(2, cni->company_name);
    00376       SetDParam(3, t->index);
    00377       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
    00378     }
    00379     return;
    00380   }
    00381 bad_town_name:;
    00382
    00383   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    00384     str = SPECSTR_ANDCO_NAME;
    00385     strp = c->president_name_2;
    00386     goto set_name;
    00387   } else {
    00388     str = SPECSTR_ANDCO_NAME;
    00389     strp = Random();
    00390     goto verify_name;
    00391   }
    00392 }
    00393
    00395 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 = (100000ll * _economy.inflation_prices >> 16) / 50000 * 50000;
    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   SetWindowClassesDirty(WC_CLIENT_LIST_POPUP);
    00560   SetWindowDirty(WC_CLIENT_LIST, 0);
    00561   InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
    00562   BuildOwnerLegend();
    00563   InvalidateWindowData(WC_SMALLMAP, 0, 1);
    00564
    00565   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00566
    00567   AI::BroadcastNewEvent(new ScriptEventCompanyNew(c->index), c->index);
    00568   Game::NewEvent(new ScriptEventCompanyNew(c->index));
    00569
    00570   return c;
    00571 }
    00572
    00574 void StartupCompanies()
    00575 {
    00576   _next_competitor_start = 0;
    00577 }
    00578
    00580 static void MaybeStartNewCompany()
    00581 {
    00582 #ifdef ENABLE_NETWORK
    00583   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
    00584 #endif /* ENABLE_NETWORK */
    00585
    00586   Company *c;
    00587
    00588   /* count number of competitors */
    00589   uint n = 0;
    00590   FOR_ALL_COMPANIES(c) {
    00591     if (c->is_ai) n++;
    00592   }
    00593
    00594   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00595     /* Send a command to all clients to start up a new AI.
    00596      * Works fine for Multiplayer and Singleplayer */
    00597     DoCommandP(0, 1 | INVALID_COMPANY << 16, 0, CMD_COMPANY_CTRL);
    00598   }
    00599 }
    00600
    00602 void InitializeCompanies()
    00603 {
    00604   _cur_company_tick_index = 0;
    00605 }
    00606
    00613 bool MayCompanyTakeOver(CompanyID cbig, CompanyID csmall)
    00614 {
    00615   const Company *c1 = Company::Get(cbig);
    00616   const Company *c2 = Company::Get(csmall);
    00617
    00618   /* Do the combined vehicle counts stay within the limits? */
    00619   return c1->group_all[VEH_TRAIN].num_vehicle + c2->group_all[VEH_TRAIN].num_vehicle <= _settings_game.vehicle.max_trains &&
    00620     c1->group_all[VEH_ROAD].num_vehicle     + c2->group_all[VEH_ROAD].num_vehicle     <= _settings_game.vehicle.max_roadveh &&
    00621     c1->group_all[VEH_SHIP].num_vehicle     + c2->group_all[VEH_SHIP].num_vehicle     <= _settings_game.vehicle.max_ships &&
    00622     c1->group_all[VEH_AIRCRAFT].num_vehicle + c2->group_all[VEH_AIRCRAFT].num_vehicle <= _settings_game.vehicle.max_aircraft;
    00623 }
    00624
    00634 static void HandleBankruptcyTakeover(Company *c)
    00635 {
    00636   /* Amount of time out for each company to take over a company;
    00637    * Timeout is a quarter (3 months of 30 days) divided over the
    00638    * number of companies. The minimum number of days in a quarter
    00639    * is 90: 31 in January, 28 in February and 31 in March.
    00640    * Note that the company going bankrupt can't buy itself. */
    00641   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
    00642
    00643   assert(c->bankrupt_asked != 0);
    00644
    00645   /* We're currently asking some company to buy 'us' */
    00646   if (c->bankrupt_timeout != 0) {
    00647     c->bankrupt_timeout -= MAX_COMPANIES;
    00648     if (c->bankrupt_timeout > 0) return;
    00649     c->bankrupt_timeout = 0;
    00650
    00651     return;
    00652   }
    00653
    00654   /* Did we ask everyone for bankruptcy? If so, bail out. */
    00655   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
    00656
    00657   Company *c2, *best = NULL;
    00658   int32 best_performance = -1;
    00659
    00660   /* Ask the company with the highest performance history first */
    00661   FOR_ALL_COMPANIES(c2) {
    00662     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
    00663         !HasBit(c->bankrupt_asked, c2->index) &&
    00664         best_performance < c2->old_economy[1].performance_history &&
    00665         MayCompanyTakeOver(c2->index, c->index)) {
    00666       best_performance = c2->old_economy[1].performance_history;
    00667       best = c2;
    00668     }
    00669   }
    00670
    00671   /* Asked all companies? */
    00672   if (best_performance == -1) {
    00673     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
    00674     return;
    00675   }
    00676
    00677   SetBit(c->bankrupt_asked, best->index);
    00678
    00679   c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
    00680   if (best->is_ai) {
    00681     AI::NewEvent(best->index, new ScriptEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
    00682   } else if (IsInteractiveCompany(best->index)) {
    00683     ShowBuyCompanyDialog(c->index);
    00684   }
    00685 }
    00686
    00688 void OnTick_Companies()
    00689 {
    00690   if (_game_mode == GM_EDITOR) return;
    00691
    00692   Company *c = Company::GetIfValid(_cur_company_tick_index);
    00693   if (c != NULL) {
    00694     if (c->name_1 != 0) GenerateCompanyName(c);
    00695     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
    00696   }
    00697
    00698   if (_next_competitor_start == 0) {
    00699     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
    00700   }
    00701
    00702   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
    00703     MaybeStartNewCompany();
    00704   }
    00705
    00706   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00707 }
    00708
    00713 void CompaniesYearlyLoop()
    00714 {
    00715   Company *c;
    00716
    00717   /* Copy statistics */
    00718   FOR_ALL_COMPANIES(c) {
    00719     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00720     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00721     SetWindowDirty(WC_FINANCES, c->index);
    00722   }
    00723
    00724   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00725     ShowCompanyFinances(_local_company);
    00726     c = Company::Get(_local_company);
    00727     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00728       SndPlayFx(SND_01_BAD_YEAR);
    00729     } else {
    00730       SndPlayFx(SND_00_GOOD_YEAR);
    00731     }
    00732   }
    00733 }
    00734
    00740 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00741 {
    00742   SetDParam(0, c->index);
    00743   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00744
    00745   if (other == NULL) {
    00746     *this->other_company_name = '\0';
    00747   } else {
    00748     SetDParam(0, other->index);
    00749     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00750     c = other;
    00751   }
    00752
    00753   SetDParam(0, c->index);
    00754   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
    00755
    00756   this->colour = c->colour;
    00757   this->face = c->face;
    00758
    00759 }
    00760
    00765 void CompanyAdminUpdate(const Company *company)
    00766 {
    00767 #ifdef ENABLE_NETWORK
    00768   if (_network_server) NetworkAdminCompanyUpdate(company);
    00769 #endif /* ENABLE_NETWORK */
    00770 }
    00771
    00777 void CompanyAdminRemove(CompanyID company_id, CompanyRemoveReason reason)
    00778 {
    00779 #ifdef ENABLE_NETWORK
    00780   if (_network_server) NetworkAdminCompanyRemove(company_id, (AdminCompanyRemoveReason)reason);
    00781 #endif /* ENABLE_NETWORK */
    00782 }
    00783
    00798 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00799 {
    00800   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00801   CompanyID company_id = (CompanyID)GB(p1, 16, 8);
    00802 #ifdef ENABLE_NETWORK
    00803   ClientID client_id = (ClientID)p2;
    00804 #endif /* ENABLE_NETWORK */
    00805
    00806   switch (GB(p1, 0, 16)) {
    00807     case 0: { // Create a new company
    00808       /* This command is only executed in a multiplayer game */
    00809       if (!_networking) return CMD_ERROR;
    00810
    00811 #ifdef ENABLE_NETWORK
    00812       /* Has the network client a correct ClientIndex? */
    00813       if (!(flags & DC_EXEC)) return CommandCost();
    00814       NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
    00815 #ifndef DEBUG_DUMP_COMMANDS
    00816       /* When replaying the client ID is not a valid client; there
    00817        * are actually no clients at all. However, the company has to
    00818        * be created, otherwise we cannot rerun the game properly.
    00819        * So only allow a NULL client info in that case. */
    00820       if (ci == NULL) return CommandCost();
    00821 #endif /* NOT DEBUG_DUMP_COMMANDS */
    00822
    00823       /* Delete multiplayer progress bar */
    00824       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
    00825
    00826       Company *c = DoStartupNewCompany(false);
    00827
    00828       /* A new company could not be created, revert to being a spectator */
    00829       if (c == NULL) {
    00830         if (_network_server) {
    00831           ci->client_playas = COMPANY_SPECTATOR;
    00832           NetworkUpdateClientInfo(ci->client_id);
    00833         }
    00834         break;
    00835       }
    00836
    00837       /* This is the client (or non-dedicated server) who wants a new company */
    00838       if (client_id == _network_own_client_id) {
    00839         assert(_local_company == COMPANY_SPECTATOR);
    00840         SetLocalCompany(c->index);
    00841         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00842           NetworkChangeCompanyPassword(_local_company, _settings_client.network.default_company_pass);
    00843         }
    00844
    00845         /* Now that we have a new company, broadcast our company settings to
    00846          * all clients so everything is in sync */
    00847         SyncCompanySettings();
    00848
    00849         MarkWholeScreenDirty();
    00850       }
    00851
    00852       if (_network_server) {
    00853         if (ci != NULL) {
    00854           /* ci is only NULL when replaying.
    00855            * When replaying no client is actually in need of an update. */
    00856           ci->client_playas = c->index;
    00857           NetworkUpdateClientInfo(ci->client_id);
    00858         }
    00859
    00860         if (Company::IsValidID(c->index)) {
    00861           _network_company_states[c->index].months_empty = 0;
    00862           _network_company_states[c->index].password[0] = '\0';
    00863           NetworkServerUpdateCompanyPassworded(c->index, false);
    00864
    00865           /* XXX - When a client joins, we automatically set its name to the
    00866            * client's name (for some reason). As it stands now only the server
    00867            * knows the client's name, so it needs to send out a "broadcast" to
    00868            * do this. To achieve this we send a network command. However, it
    00869            * uses _local_company to execute the command as.  To prevent abuse
    00870            * (eg. only yourself can change your name/company), we 'cheat' by
    00871            * impersonation _local_company as the server. Not the best solution;
    00872            * but it works.
    00873            * TODO: Perhaps this could be improved by when the client is ready
    00874            * with joining to let it send itself the command, and not the server?
    00875            * For example in network_client.c:534? */
    00876           if (ci != NULL) {
    00877             /* ci is only NULL when replaying.
    00878              * When replaying, the command to rename the president will
    00879              * automatically be ran, so this is not even needed to get
    00880              * the exact same state. */
    00881             NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, c->index);
    00882           }
    00883         }
    00884
    00885         /* Announce new company on network. */
    00886         NetworkAdminCompanyInfo(c, true);
    00887
    00888         if (ci != NULL) {
    00889           /* ci is only NULL when replaying.
    00890            * When replaying, the message that someone started a new company
    00891            * is not interesting at all. */
    00892           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, c->index + 1);
    00893         }
    00894       }
    00895 #endif /* ENABLE_NETWORK */
    00896       break;
    00897     }
    00898
    00899     case 1: // Make a new AI company
    00900       if (!(flags & DC_EXEC)) return CommandCost();
    00901
    00902       if (company_id != INVALID_COMPANY && (company_id >= MAX_COMPANIES || Company::IsValidID(company_id))) return CMD_ERROR;
    00903       DoStartupNewCompany(true, company_id);
    00904       break;
    00905
    00906     case 2: { // Delete a company
    00907       CompanyRemoveReason reason = (CompanyRemoveReason)GB(p2, 0, 2);
    00908       if (reason >= CRR_END) return CMD_ERROR;
    00909
    00910       Company *c = Company::GetIfValid(company_id);
    00911       if (c == NULL) return CMD_ERROR;
    00912
    00913       if (!(flags & DC_EXEC)) return CommandCost();
    00914
    00915       /* Delete any open window of the company */
    00916       DeleteCompanyWindows(c->index);
    00917       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00918       cni->FillData(c);
    00919
    00920       /* Show the bankrupt news */
    00921       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
    00922       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
    00923       SetDParamStr(2, cni->company_name);
    00924       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
    00925
    00926       /* Remove the company */
    00927       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00928       if (c->is_ai) AI::Stop(c->index);
    00929
    00930       CompanyID c_index = c->index;
    00931       delete c;
    00932       AI::BroadcastNewEvent(new ScriptEventCompanyBankrupt(c_index));
    00933       Game::NewEvent(new ScriptEventCompanyBankrupt(c_index));
    00934       CompanyAdminRemove(c_index, (CompanyRemoveReason)reason);
    00935       break;
    00936     }
    00937
    00938     default: return CMD_ERROR;
    00939   }
    00940
    00941   InvalidateWindowClassesData(WC_GAME_OPTIONS);
    00942   InvalidateWindowClassesData(WC_AI_SETTINGS);
    00943   InvalidateWindowClassesData(WC_AI_LIST);
    00944
    00945   return CommandCost();
    00946 }
    00947
    00957 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00958 {
    00959   CompanyManagerFace cmf = (CompanyManagerFace)p2;
    00960
    00961   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
    00962
    00963   if (flags & DC_EXEC) {
    00964     Company::Get(_current_company)->face = cmf;
    00965     MarkWholeScreenDirty();
    00966   }
    00967   return CommandCost();
    00968 }
    00969
    00981 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00982 {
    00983   Colours colour = Extract<Colours, 0, 4>(p2);
    00984   LiveryScheme scheme = Extract<LiveryScheme, 0, 8>(p1);
    00985   byte state = GB(p1, 8, 2);
    00986
    00987   if (scheme >= LS_END || state >= 3 || colour == INVALID_COLOUR) return CMD_ERROR;
    00988
    00989   Company *c = Company::Get(_current_company);
    00990
    00991   /* Ensure no two companies have the same primary colour */
    00992   if (scheme == LS_DEFAULT && state == 0) {
    00993     const Company *cc;
    00994     FOR_ALL_COMPANIES(cc) {
    00995       if (cc != c && cc->colour == colour) return CMD_ERROR;
    00996     }
    00997   }
    00998
    00999   if (flags & DC_EXEC) {
    01000     switch (state) {
    01001       case 0:
    01002         c->livery[scheme].colour1 = colour;
    01003
    01004         /* If setting the first colour of the default scheme, adjust the
    01005          * original and cached company colours too. */
    01006         if (scheme == LS_DEFAULT) {
    01007           _company_colours[_current_company] = colour;
    01008           c->colour = colour;
    01009           CompanyAdminUpdate(c);
    01010         }
    01011         break;
    01012
    01013       case 1:
    01014         c->livery[scheme].colour2 = colour;
    01015         break;
    01016
    01017       case 2:
    01018         c->livery[scheme].in_use = colour != 0;
    01019
    01020         /* Now handle setting the default scheme's in_use flag.
    01021          * This is different to the other schemes, as it signifies if any
    01022          * scheme is active at all. If this flag is not set, then no
    01023          * processing of vehicle types occurs at all, and only the default
    01024          * colours will be used. */
    01025
    01026         /* If enabling a scheme, set the default scheme to be in use too */
    01027         if (colour != 0) {
    01028           c->livery[LS_DEFAULT].in_use = true;
    01029           break;
    01030         }
    01031
    01032         /* Else loop through all schemes to see if any are left enabled.
    01033          * If not, disable the default scheme too. */
    01034         c->livery[LS_DEFAULT].in_use = false;
    01035         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
    01036           if (c->livery[scheme].in_use) {
    01037             c->livery[LS_DEFAULT].in_use = true;
    01038             break;
    01039           }
    01040         }
    01041         break;
    01042
    01043       default:
    01044         break;
    01045     }
    01046     ResetVehicleColourMap();
    01047     MarkWholeScreenDirty();
    01048
    01049     /* All graph related to companies use the company colour. */
    01050     InvalidateWindowData(WC_INCOME_GRAPH, 0);
    01051     InvalidateWindowData(WC_OPERATING_PROFIT, 0);
    01052     InvalidateWindowData(WC_DELIVERED_CARGO, 0);
    01053     InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
    01054     InvalidateWindowData(WC_COMPANY_VALUE, 0);
    01055     InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
    01056     /* The smallmap owner view also stores the company colours. */
    01057     BuildOwnerLegend();
    01058     InvalidateWindowData(WC_SMALLMAP, 0, 1);
    01059
    01060     /* Company colour data is indirectly cached. */
    01061     Vehicle *v;
    01062     FOR_ALL_VEHICLES(v) {
    01063       if (v->owner == _current_company) v->InvalidateNewGRFCache();
    01064     }
    01065
    01066     extern void UpdateObjectColours(const Company *c);
    01067     UpdateObjectColours(c);
    01068   }
    01069   return CommandCost();
    01070 }
    01071
    01077 static bool IsUniqueCompanyName(const char *name)
    01078 {
    01079   const Company *c;
    01080
    01081   FOR_ALL_COMPANIES(c) {
    01082     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
    01083   }
    01084
    01085   return true;
    01086 }
    01087
    01097 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01098 {
    01099   bool reset = StrEmpty(text);
    01100
    01101   if (!reset) {
    01102     if (Utf8StringLength(text) >= MAX_LENGTH_COMPANY_NAME_CHARS) return CMD_ERROR;
    01103     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01104   }
    01105
    01106   if (flags & DC_EXEC) {
    01107     Company *c = Company::Get(_current_company);
    01108     free(c->name);
    01109     c->name = reset ? NULL : strdup(text);
    01110     MarkWholeScreenDirty();
    01111     CompanyAdminUpdate(c);
    01112   }
    01113
    01114   return CommandCost();
    01115 }
    01116
    01122 static bool IsUniquePresidentName(const char *name)
    01123 {
    01124   const Company *c;
    01125
    01126   FOR_ALL_COMPANIES(c) {
    01127     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
    01128   }
    01129
    01130   return true;
    01131 }
    01132
    01142 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01143 {
    01144   bool reset = StrEmpty(text);
    01145
    01146   if (!reset) {
    01147     if (Utf8StringLength(text) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) return CMD_ERROR;
    01148     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01149   }
    01150
    01151   if (flags & DC_EXEC) {
    01152     Company *c = Company::Get(_current_company);
    01153     free(c->president_name);
    01154
    01155     if (reset) {
    01156       c->president_name = NULL;
    01157     } else {
    01158       c->president_name = strdup(text);
    01159
    01160       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
    01161         char buf[80];
    01162
    01163         snprintf(buf, lengthof(buf), "%s Transport", text);
    01164         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
    01165       }
    01166     }
    01167
    01168     MarkWholeScreenDirty();
    01169     CompanyAdminUpdate(c);
    01170   }
    01171
    01172   return CommandCost();
    01173 }