# company_cmd.cpp

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    00001 /* $Id: company_cmd.cpp 19376 2010-03-08 22:19:39Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "engine_base.h"
    00014 #include "company_func.h"
    00015 #include "company_gui.h"
    00016 #include "town.h"
    00017 #include "news_func.h"
    00018 #include "command_func.h"
    00019 #include "network/network.h"
    00020 #include "network/network_func.h"
    00021 #include "network/network_base.h"
    00022 #include "ai/ai.hpp"
    00023 #include "company_manager_face.h"
    00024 #include "group.h"
    00025 #include "window_func.h"
    00026 #include "strings_func.h"
    00027 #include "gfx_func.h"
    00028 #include "date_func.h"
    00029 #include "sound_func.h"
    00030 #include "autoreplace_func.h"
    00031 #include "autoreplace_gui.h"
    00032 #include "rail.h"
    00033 #include "core/pool_func.hpp"
    00034 #include "settings_func.h"
    00035 #include "vehicle_base.h"
    00036 #include "vehicle_func.h"
    00037 #include "sprite.h"
    00038
    00039 #include "table/strings.h"
    00040
    00041 CompanyByte _local_company;
    00042 CompanyByte _current_company;
    00043 /* NOSAVE: can be determined from company structs */
    00044 Colours _company_colours[MAX_COMPANIES];
    00045 CompanyManagerFace _company_manager_face;
    00046 uint _next_competitor_start;
    00047 uint _cur_company_tick_index;
    00048
    00049 CompanyPool _company_pool("Company");
    00050 INSTANTIATE_POOL_METHODS(Company)
    00051
    00052 Company::Company(uint16 name_1, bool is_ai) :
    00053   name_1(name_1),
    00054   location_of_HQ(INVALID_TILE),
    00055   is_ai(is_ai)
    00056 {
    00057   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
    00058   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
    00059 }
    00060
    00061 Company::~Company()
    00062 {
    00063   free(this->name);
    00064   free(this->president_name);
    00065   free(this->num_engines);
    00066
    00067   if (CleaningPool()) return;
    00068
    00069   DeleteCompanyWindows(this->index);
    00070 }
    00071
    00076 void Company::PostDestructor(size_t index)
    00077 {
    00078   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
    00079   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
    00080   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00081   /* If the currently shown error message has this company in it, the close it. */
    00082   InvalidateWindowData(WC_ERRMSG, 0);
    00083 }
    00084
    00091 void SetLocalCompany(CompanyID new_company)
    00092 {
    00093   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00094   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00095
    00096 #ifdef ENABLE_NETWORK
    00097   /* Delete the chat window, if you were team chatting. */
    00098   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
    00099 #endif
    00100
    00101   _local_company = new_company;
    00102
    00103   /* Delete any construction windows... */
    00104   DeleteConstructionWindows();
    00105
    00106   /* ... and redraw the whole screen. */
    00107   MarkWholeScreenDirty();
    00108 }
    00109
    00110 uint16 GetDrawStringCompanyColour(CompanyID company)
    00111 {
    00112   /* Get the colour for DrawString-subroutines which matches the colour
    00113    * of the company */
    00114   if (!Company::IsValidID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
    00115   return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
    00116 }
    00117
    00118 void DrawCompanyIcon(CompanyID c, int x, int y)
    00119 {
    00120   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
    00121 }
    00122
    00129 bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
    00130 {
    00131   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
    00132
    00133   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
    00134   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
    00135   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
    00136   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
    00137
    00138   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
    00139   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    00140     switch (cmfv) {
    00141       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
    00142       case CMFV_LIPS:        // FALL THROUGH
    00143       case CMFV_NOSE:        if (has_moustache)    continue; break;
    00144       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
    00145       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
    00146       default: break;
    00147     }
    00148     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
    00149   }
    00150
    00151   return true;
    00152 }
    00153
    00154 void InvalidateCompanyWindows(const Company *company)
    00155 {
    00156   CompanyID cid = company->index;
    00157
    00158   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
    00159   SetWindowDirty(WC_FINANCES, cid);
    00160 }
    00161
    00162 bool CheckCompanyHasMoney(CommandCost &cost)
    00163 {
    00164   if (cost.GetCost() > 0) {
    00165     const Company *c = Company::GetIfValid(_current_company);
    00166     if (c != NULL && cost.GetCost() > c->money) {
    00167       SetDParam(0, cost.GetCost());
    00168       cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
    00169       return false;
    00170     }
    00171   }
    00172   return true;
    00173 }
    00174
    00175 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
    00176 {
    00177   if (cost.GetCost() == 0) return;
    00178   assert(cost.GetExpensesType() != INVALID_EXPENSES);
    00179
    00180   c->money -= cost.GetCost();
    00181   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
    00182
    00183   if (HasBit(1 << EXPENSES_TRAIN_INC    |
    00184              1 << EXPENSES_ROADVEH_INC  |
    00185              1 << EXPENSES_AIRCRAFT_INC |
    00186              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    00187     c->cur_economy.income -= cost.GetCost();
    00188   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
    00189                     1 << EXPENSES_ROADVEH_RUN  |
    00190                     1 << EXPENSES_AIRCRAFT_RUN |
    00191                     1 << EXPENSES_SHIP_RUN     |
    00192                     1 << EXPENSES_PROPERTY     |
    00193                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    00194     c->cur_economy.expenses -= cost.GetCost();
    00195   }
    00196
    00197   InvalidateCompanyWindows(c);
    00198 }
    00199
    00200 void SubtractMoneyFromCompany(CommandCost cost)
    00201 {
    00202   Company *c = Company::GetIfValid(_current_company);
    00203   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
    00204 }
    00205
    00206 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
    00207 {
    00208   Company *c = Company::Get(company);
    00209   byte m = c->money_fraction;
    00210   Money cost = cst.GetCost();
    00211
    00212   c->money_fraction = m - (byte)cost;
    00213   cost >>= 8;
    00214   if (c->money_fraction > m) cost++;
    00215   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
    00216 }
    00217
    00224 void GetNameOfOwner(Owner owner, TileIndex tile)
    00225 {
    00226   SetDParam(2, owner);
    00227
    00228   if (owner != OWNER_TOWN) {
    00229     if (!Company::IsValidID(owner)) {
    00230       SetDParam(0, STR_COMPANY_SOMEONE);
    00231     } else {
    00232       SetDParam(0, STR_COMPANY_NAME);
    00233       SetDParam(1, owner);
    00234     }
    00235   } else {
    00236     assert(tile != 0);
    00237     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00238
    00239     SetDParam(0, STR_TOWN_NAME);
    00240     SetDParam(1, t->index);
    00241   }
    00242 }
    00243
    00244
    00253 bool CheckOwnership(Owner owner, TileIndex tile)
    00254 {
    00255   assert(owner < OWNER_END);
    00256   assert(owner != OWNER_TOWN || tile != 0);
    00257
    00258   if (owner == _current_company) return true;
    00259   _error_message = STR_ERROR_OWNED_BY;
    00260   GetNameOfOwner(owner, tile);
    00261   return false;
    00262 }
    00263
    00271 bool CheckTileOwnership(TileIndex tile)
    00272 {
    00273   Owner owner = GetTileOwner(tile);
    00274
    00275   assert(owner < OWNER_END);
    00276
    00277   if (owner == _current_company) return true;
    00278   _error_message = STR_ERROR_OWNED_BY;
    00279
    00280   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00281   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00282   return false;
    00283 }
    00284
    00285 static void GenerateCompanyName(Company *c)
    00286 {
    00287   TileIndex tile;
    00288   Town *t;
    00289   StringID str;
    00290   Company *cc;
    00291   uint32 strp;
    00292   /* Reserve space for extra unicode character. We need to do this to be able
    00293    * to detect too long company name. */
    00294   char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
    00295
    00296   if (c->name_1 != STR_SV_UNNAMED) return;
    00297
    00298   tile = c->last_build_coordinate;
    00299   if (tile == 0) return;
    00300
    00301   t = ClosestTownFromTile(tile, UINT_MAX);
    00302
    00303   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00304     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
    00305     strp = t->townnameparts;
    00306
    00307 verify_name:;
    00308     /* No companies must have this name already */
    00309     FOR_ALL_COMPANIES(cc) {
    00310       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00311     }
    00312
    00313     GetString(buffer, str, lastof(buffer));
    00314     if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
    00315
    00316 set_name:;
    00317     c->name_1 = str;
    00318     c->name_2 = strp;
    00319
    00320     MarkWholeScreenDirty();
    00321
    00322     if (c->is_ai) {
    00323       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00324       cni->FillData(c);
    00325       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
    00326       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
    00327       SetDParamStr(2, cni->company_name);
    00328       SetDParam(3, t->index);
    00329       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
    00330     }
    00331     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
    00332     return;
    00333   }
    00334 bad_town_name:;
    00335
    00336   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    00337     str = SPECSTR_ANDCO_NAME;
    00338     strp = c->president_name_2;
    00339     goto set_name;
    00340   } else {
    00341     str = SPECSTR_ANDCO_NAME;
    00342     strp = Random();
    00343     goto verify_name;
    00344   }
    00345 }
    00346
    00347 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
    00348 static const Colours _similar_colour[COLOUR_END][2] = {
    00349   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
    00350   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
    00351   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
    00352   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
    00353   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
    00354   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
    00355   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
    00356   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
    00357   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
    00358   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
    00359   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
    00360   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
    00361   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
    00362   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
    00363   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
    00364   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
    00365 };
    00366
    00367 static Colours GenerateCompanyColour()
    00368 {
    00369   Colours colours[COLOUR_END];
    00370
    00371   /* Initialize array */
    00372   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
    00373
    00374   /* And randomize it */
    00375   for (uint i = 0; i < 100; i++) {
    00376     uint r = Random();
    00377     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
    00378   }
    00379
    00380   /* Bubble sort it according to the values in table 1 */
    00381   for (uint i = 0; i < COLOUR_END; i++) {
    00382     for (uint j = 1; j < COLOUR_END; j++) {
    00383       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
    00384         Swap(colours[j - 1], colours[j]);
    00385       }
    00386     }
    00387   };
    00388
    00389   /* Move the colours that look similar to each company's colour to the side */
    00390   Company *c;
    00391   FOR_ALL_COMPANIES(c) {
    00392     Colours pcolour = (Colours)c->colour;
    00393
    00394     for (uint i = 0; i < COLOUR_END; i++) {
    00395       if (colours[i] == pcolour) {
    00396         colours[i] = INVALID_COLOUR;
    00397         break;
    00398       }
    00399     }
    00400
    00401     for (uint j = 0; j < 2; j++) {
    00402       Colours similar = _similar_colour[pcolour][j];
    00403       if (similar == INVALID_COLOUR) break;
    00404
    00405       for (uint i = 1; i < COLOUR_END; i++) {
    00406         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
    00407       }
    00408     }
    00409   }
    00410
    00411   /* Return the first available colour */
    00412   for (uint i = 0; i < COLOUR_END; i++) {
    00413     if (colours[i] != INVALID_COLOUR) return colours[i];
    00414   }
    00415
    00416   NOT_REACHED();
    00417 }
    00418
    00419 static void GeneratePresidentName(Company *c)
    00420 {
    00421   for (;;) {
    00422 restart:;
    00423     c->president_name_2 = Random();
    00424     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
    00425
    00426     /* Reserve space for extra unicode character. We need to do this to be able
    00427      * to detect too long president name. */
    00428     char buffer[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00429     SetDParam(0, c->index);
    00430     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    00431     if (strlen(buffer) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) continue;
    00432
    00433     Company *cc;
    00434     FOR_ALL_COMPANIES(cc) {
    00435       if (c != cc) {
    00436         /* Reserve extra space so even overlength president names can be compared. */
    00437         char buffer2[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00438         SetDParam(0, cc->index);
    00439         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
    00440         if (strcmp(buffer2, buffer) == 0) goto restart;
    00441       }
    00442     }
    00443     return;
    00444   }
    00445 }
    00446
    00447 void ResetCompanyLivery(Company *c)
    00448 {
    00449   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    00450     c->livery[scheme].in_use  = false;
    00451     c->livery[scheme].colour1 = c->colour;
    00452     c->livery[scheme].colour2 = c->colour;
    00453   }
    00454 }
    00455
    00463 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
    00464 {
    00465   if (!Company::CanAllocateItem()) return NULL;
    00466
    00467   /* we have to generate colour before this company is valid */
    00468   Colours colour = GenerateCompanyColour();
    00469
    00470   Company *c;
    00471   if (company == INVALID_COMPANY) {
    00472     c = new Company(STR_SV_UNNAMED, is_ai);
    00473   } else {
    00474     if (Company::IsValidID(company)) return NULL;
    00475     c = new (company) Company(STR_SV_UNNAMED, is_ai);
    00476   }
    00477
    00478   c->colour = colour;
    00479
    00480   ResetCompanyLivery(c);
    00481   _company_colours[c->index] = (Colours)c->colour;
    00482
    00483   c->money = c->current_loan = 100000;
    00484
    00485   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
    00486
    00487   c->avail_railtypes = GetCompanyRailtypes(c->index);
    00488   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
    00489   c->inaugurated_year = _cur_year;
    00490   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
    00491
    00492   SetDefaultCompanySettings(c->index);
    00493
    00494   GeneratePresidentName(c);
    00495
    00496   SetWindowDirty(WC_GRAPH_LEGEND, 0);
    00497   SetWindowDirty(WC_TOOLBAR_MENU, 0);
    00498   SetWindowDirty(WC_CLIENT_LIST, 0);
    00499
    00500   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00501
    00502   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
    00503
    00504   return c;
    00505 }
    00506
    00507 void StartupCompanies()
    00508 {
    00509   _next_competitor_start = 0;
    00510 }
    00511
    00512 #ifdef ENABLE_AI
    00513 static void MaybeStartNewCompany()
    00514 {
    00515 #ifdef ENABLE_NETWORK
    00516   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
    00517 #endif /* ENABLE_NETWORK */
    00518
    00519   Company *c;
    00520
    00521   /* count number of competitors */
    00522   uint n = 0;
    00523   FOR_ALL_COMPANIES(c) {
    00524     if (c->is_ai) n++;
    00525   }
    00526
    00527   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00528     /* Send a command to all clients to start up a new AI.
    00529      * Works fine for Multiplayer and Singleplayer */
    00530     DoCommandP(0, 1, INVALID_COMPANY, CMD_COMPANY_CTRL);
    00531   }
    00532 }
    00533 #endif /* ENABLE_AI */
    00534
    00535 void InitializeCompanies()
    00536 {
    00537   _company_pool.CleanPool();
    00538   _cur_company_tick_index = 0;
    00539 }
    00540
    00550 static void HandleBankruptcyTakeover(Company *c)
    00551 {
    00552   /* Amount of time out for each company to take over a company;
    00553    * Timeout is a quarter (3 months of 30 days) divided over the
    00554    * number of companies. The minimum number of days in a quarter
    00555    * is 90: 31 in January, 28 in February and 31 in March.
    00556    * Note that the company going bankrupt can't buy itself. */
    00557   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
    00558
    00559   assert(c->bankrupt_asked != 0);
    00560
    00561   /* We're currently asking some company to buy 'us' */
    00562   if (c->bankrupt_timeout != 0) {
    00563     c->bankrupt_timeout -= MAX_COMPANIES;
    00564     if (c->bankrupt_timeout > 0) return;
    00565     c->bankrupt_timeout = 0;
    00566
    00567     return;
    00568   }
    00569
    00570   /* Did we ask everyone for bankruptcy? If so, bail out. */
    00571   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
    00572
    00573   Company *c2, *best = NULL;
    00574   int32 best_performance = -1;
    00575
    00576   /* Ask the company with the highest performance history first */
    00577   FOR_ALL_COMPANIES(c2) {
    00578     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
    00579         !HasBit(c->bankrupt_asked, c2->index) &&
    00580         best_performance < c2->old_economy[1].performance_history) {
    00581       best_performance = c2->old_economy[1].performance_history;
    00582       best = c2;
    00583     }
    00584   }
    00585
    00586   /* Asked all companies? */
    00587   if (best_performance == -1) {
    00588     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
    00589     return;
    00590   }
    00591
    00592   SetBit(c->bankrupt_asked, best->index);
    00593
    00594   if (IsInteractiveCompany(best->index)) {
    00595     c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
    00596     ShowBuyCompanyDialog(c->index);
    00597     return;
    00598   }
    00599
    00600   if (best->is_ai) {
    00601     AI::NewEvent(best->index, new AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
    00602   }
    00603 }
    00604
    00605 void OnTick_Companies()
    00606 {
    00607   if (_game_mode == GM_EDITOR) return;
    00608
    00609   Company *c = Company::GetIfValid(_cur_company_tick_index);
    00610   if (c != NULL) {
    00611     if (c->name_1 != 0) GenerateCompanyName(c);
    00612     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
    00613   }
    00614
    00615 #ifdef ENABLE_AI
    00616   if (_next_competitor_start == 0) {
    00617     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
    00618   }
    00619
    00620   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
    00621     MaybeStartNewCompany();
    00622   }
    00623 #endif /* ENABLE_AI */
    00624
    00625   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00626 }
    00627
    00628 void CompaniesYearlyLoop()
    00629 {
    00630   Company *c;
    00631
    00632   /* Copy statistics */
    00633   FOR_ALL_COMPANIES(c) {
    00634     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00635     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00636     SetWindowDirty(WC_FINANCES, c->index);
    00637   }
    00638
    00639   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00640     ShowCompanyFinances(_local_company);
    00641     c = Company::Get(_local_company);
    00642     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00643       SndPlayFx(SND_01_BAD_YEAR);
    00644     } else {
    00645       SndPlayFx(SND_00_GOOD_YEAR);
    00646     }
    00647   }
    00648 }
    00649
    00661 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00662 {
    00663   Company *c = Company::GetIfValid(_current_company);
    00664   if (c == NULL) return CMD_ERROR;
    00665
    00666   EngineID old_engine_type = GB(p2, 0, 16);
    00667   EngineID new_engine_type = GB(p2, 16, 16);
    00668   GroupID id_g = GB(p1, 16, 16);
    00669   CommandCost cost;
    00670
    00671   if (!Group::IsValidID(id_g) && !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
    00672   if (!Engine::IsValidID(old_engine_type)) return CMD_ERROR;
    00673
    00674   if (new_engine_type != INVALID_ENGINE) {
    00675     if (!Engine::IsValidID(new_engine_type)) return CMD_ERROR;
    00676     if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;
    00677
    00678     cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
    00679   } else {
    00680     cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
    00681   }
    00682
    00683   if ((flags & DC_EXEC) && IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);
    00684
    00685   return cost;
    00686 }
    00687
    00693 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00694 {
    00695   SetDParam(0, c->index);
    00696   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00697
    00698   if (other == NULL) {
    00699     *this->other_company_name = '\0';
    00700   } else {
    00701     SetDParam(0, other->index);
    00702     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00703     c = other;
    00704   }
    00705
    00706   SetDParam(0, c->index);
    00707   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
    00708
    00709   this->colour = c->colour;
    00710   this->face = c->face;
    00711
    00712 }
    00713
    00735 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00736 {
    00737   if (flags & DC_EXEC) _current_company = OWNER_NONE;
    00738
    00739   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00740
    00741   switch (p1) {
    00742     case 0: { // Create a new company
    00743       /* This command is only executed in a multiplayer game */
    00744       if (!_networking) return CMD_ERROR;
    00745
    00746 #ifdef ENABLE_NETWORK
    00747
    00748       /* Joining Client:
    00749        * _local_company: COMPANY_SPECTATOR
    00750        * cid = clientid
    00751        *
    00752        * Other client(s)/server:
    00753        * _local_company: what they play as
    00754        * cid = requested company/company of joining client */
    00755       ClientID cid = (ClientID)p2;
    00756
    00757       /* Has the network client a correct ClientIndex? */
    00758       if (!(flags & DC_EXEC)) return CommandCost();
    00759       NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
    00760       if (ci == NULL) return CommandCost();
    00761
    00762       /* Delete multiplayer progress bar */
    00763       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
    00764
    00765       Company *c = DoStartupNewCompany(false);
    00766
    00767       /* A new company could not be created, revert to being a spectator */
    00768       if (c == NULL) {
    00769         if (_network_server) {
    00770           ci->client_playas = COMPANY_SPECTATOR;
    00771           NetworkUpdateClientInfo(ci->client_id);
    00772         }
    00773         break;
    00774       }
    00775
    00776       /* This is the client (or non-dedicated server) who wants a new company */
    00777       if (cid == _network_own_client_id) {
    00778         assert(_local_company == COMPANY_SPECTATOR);
    00779         SetLocalCompany(c->index);
    00780         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00781           NetworkChangeCompanyPassword(_settings_client.network.default_company_pass);
    00782         }
    00783
    00784         _current_company = _local_company;
    00785
    00786         /* Now that we have a new company, broadcast our company settings to
    00787          * all clients so everything is in sync */
    00788         SyncCompanySettings();
    00789
    00790         MarkWholeScreenDirty();
    00791       }
    00792
    00793       if (_network_server) {
    00794         /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
    00795          * server side in network_server.c:838, function
    00796          * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
    00797         CompanyID old_playas = ci->client_playas;
    00798         ci->client_playas = c->index;
    00799         NetworkUpdateClientInfo(ci->client_id);
    00800
    00801         if (Company::IsValidID(ci->client_playas)) {
    00802           _network_company_states[c->index].months_empty = 0;
    00803           _network_company_states[c->index].password[0] = '\0';
    00804           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
    00805
    00806           /* XXX - When a client joins, we automatically set its name to the
    00807            * client's name (for some reason). As it stands now only the server
    00808            * knows the client's name, so it needs to send out a "broadcast" to
    00809            * do this. To achieve this we send a network command. However, it
    00810            * uses _local_company to execute the command as.  To prevent abuse
    00811            * (eg. only yourself can change your name/company), we 'cheat' by
    00812            * impersonation _local_company as the server. Not the best solution;
    00813            * but it works.
    00814            * TODO: Perhaps this could be improved by when the client is ready
    00815            * with joining to let it send itself the command, and not the server?
    00816            * For example in network_client.c:534? */
    00817           NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, ci->client_playas);
    00818         }
    00819
    00820         /* Announce new company on network, if the client was a SPECTATOR before */
    00821         if (old_playas == COMPANY_SPECTATOR) {
    00822           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
    00823         }
    00824       }
    00825 #endif /* ENABLE_NETWORK */
    00826     } break;
    00827
    00828     case 1: // Make a new AI company
    00829       if (!(flags & DC_EXEC)) return CommandCost();
    00830
    00831       if (p2 != INVALID_COMPANY && (p2 >= MAX_COMPANIES || Company::IsValidID(p2))) return CMD_ERROR;
    00832       DoStartupNewCompany(true, (CompanyID)p2);
    00833       break;
    00834
    00835     case 2: { // Delete a company
    00836       Company *c = Company::GetIfValid(p2);
    00837       if (c == NULL) return CMD_ERROR;
    00838
    00839       if (!(flags & DC_EXEC)) return CommandCost();
    00840
    00841       /* Delete any open window of the company */
    00842       DeleteCompanyWindows(c->index);
    00843       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00844       cni->FillData(c);
    00845
    00846       /* Show the bankrupt news */
    00847       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
    00848       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
    00849       SetDParamStr(2, cni->company_name);
    00850       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
    00851
    00852       /* Remove the company */
    00853       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00854       if (c->is_ai) AI::Stop(c->index);
    00855
    00856       CompanyID c_index = c->index;
    00857       delete c;
    00858       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
    00859     } break;
    00860
    00861     default: return CMD_ERROR;
    00862   }
    00863
    00864   return CommandCost();
    00865 }
    00866
    00875 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00876 {
    00877   CompanyManagerFace cmf = (CompanyManagerFace)p2;
    00878
    00879   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
    00880
    00881   if (flags & DC_EXEC) {
    00882     Company::Get(_current_company)->face = cmf;
    00883     MarkWholeScreenDirty();
    00884   }
    00885   return CommandCost();
    00886 }
    00887
    00898 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00899 {
    00900   if (p2 >= 16) return CMD_ERROR; // max 16 colours
    00901
    00902   Colours colour = (Colours)p2;
    00903
    00904   LiveryScheme scheme = (LiveryScheme)GB(p1, 0, 8);
    00905   byte state = GB(p1, 8, 2);
    00906
    00907   if (scheme >= LS_END || state >= 3) return CMD_ERROR;
    00908
    00909   Company *c = Company::Get(_current_company);
    00910
    00911   /* Ensure no two companies have the same primary colour */
    00912   if (scheme == LS_DEFAULT && state == 0) {
    00913     const Company *cc;
    00914     FOR_ALL_COMPANIES(cc) {
    00915       if (cc != c && cc->colour == colour) return CMD_ERROR;
    00916     }
    00917   }
    00918
    00919   if (flags & DC_EXEC) {
    00920     switch (state) {
    00921       case 0:
    00922         c->livery[scheme].colour1 = colour;
    00923
    00924         /* If setting the first colour of the default scheme, adjust the
    00925          * original and cached company colours too. */
    00926         if (scheme == LS_DEFAULT) {
    00927           _company_colours[_current_company] = colour;
    00928           c->colour = colour;
    00929         }
    00930         break;
    00931
    00932       case 1:
    00933         c->livery[scheme].colour2 = colour;
    00934         break;
    00935
    00936       case 2:
    00937         c->livery[scheme].in_use = colour != 0;
    00938
    00939         /* Now handle setting the default scheme's in_use flag.
    00940          * This is different to the other schemes, as it signifies if any
    00941          * scheme is active at all. If this flag is not set, then no
    00942          * processing of vehicle types occurs at all, and only the default
    00943          * colours will be used. */
    00944
    00945         /* If enabling a scheme, set the default scheme to be in use too */
    00946         if (colour != 0) {
    00947           c->livery[LS_DEFAULT].in_use = true;
    00948           break;
    00949         }
    00950
    00951         /* Else loop through all schemes to see if any are left enabled.
    00952          * If not, disable the default scheme too. */
    00953         c->livery[LS_DEFAULT].in_use = false;
    00954         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
    00955           if (c->livery[scheme].in_use) {
    00956             c->livery[LS_DEFAULT].in_use = true;
    00957             break;
    00958           }
    00959         }
    00960         break;
    00961
    00962       default:
    00963         break;
    00964     }
    00965     ResetVehicleColourMap();
    00966     MarkWholeScreenDirty();
    00967
    00968     /* Company colour data is indirectly cached. */
    00969     Vehicle *v;
    00970     FOR_ALL_VEHICLES(v) {
    00971       if (v->owner == _current_company) v->InvalidateNewGRFCache();
    00972     }
    00973   }
    00974   return CommandCost();
    00975 }
    00976
    00977 static bool IsUniqueCompanyName(const char *name)
    00978 {
    00979   const Company *c;
    00980
    00981   FOR_ALL_COMPANIES(c) {
    00982     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
    00983   }
    00984
    00985   return true;
    00986 }
    00987
    00996 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00997 {
    00998   bool reset = StrEmpty(text);
    00999
    01000   if (!reset) {
    01001     if (strlen(text) >= MAX_LENGTH_COMPANY_NAME_BYTES) return CMD_ERROR;
    01002     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01003   }
    01004
    01005   if (flags & DC_EXEC) {
    01006     Company *c = Company::Get(_current_company);
    01007     free(c->name);
    01008     c->name = reset ? NULL : strdup(text);
    01009     MarkWholeScreenDirty();
    01010   }
    01011
    01012   return CommandCost();
    01013 }
    01014
    01015 static bool IsUniquePresidentName(const char *name)
    01016 {
    01017   const Company *c;
    01018
    01019   FOR_ALL_COMPANIES(c) {
    01020     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
    01021   }
    01022
    01023   return true;
    01024 }
    01025
    01034 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01035 {
    01036   bool reset = StrEmpty(text);
    01037
    01038   if (!reset) {
    01039     if (strlen(text) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) return CMD_ERROR;
    01040     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01041   }
    01042
    01043   if (flags & DC_EXEC) {
    01044     Company *c = Company::Get(_current_company);
    01045     free(c->president_name);
    01046
    01047     if (reset) {
    01048       c->president_name = NULL;
    01049     } else {
    01050       c->president_name = strdup(text);
    01051
    01052       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
    01053         char buf[80];
    01054
    01055         snprintf(buf, lengthof(buf), "%s Transport", text);
    01056         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
    01057       }
    01058     }
    01059
    01060     MarkWholeScreenDirty();
    01061   }
    01062
    01063   return CommandCost();
    01064 }