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 "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   InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
00067 }
00068 
00070 Company::~Company()
00071 {
00072   free(this->num_engines);
00073 
00074   if (CleaningPool()) return;
00075 
00076   DeleteCompanyWindows(this->index);
00077 }
00078 
00083 void Company::PostDestructor(size_t index)
00084 {
00085   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
00086   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
00087   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00088   InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
00089   /* If the currently shown error message has this company in it, then close it. */
00090   InvalidateWindowData(WC_ERRMSG, 0);
00091 }
00092 
00099 void SetLocalCompany(CompanyID new_company)
00100 {
00101   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
00102   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
00103 
00104 #ifdef ENABLE_NETWORK
00105   /* Delete the chat window, if you were team chatting. */
00106   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
00107 #endif
00108 
00109   assert(IsLocalCompany());
00110 
00111   _current_company = _local_company = new_company;
00112 
00113   /* Delete any construction windows... */
00114   DeleteConstructionWindows();
00115 
00116   /* ... and redraw the whole screen. */
00117   MarkWholeScreenDirty();
00118 }
00119 
00125 TextColour GetDrawStringCompanyColour(CompanyID company)
00126 {
00127   if (!Company::IsValidID(company)) return (TextColour)_colour_gradient[COLOUR_WHITE][4] | TC_IS_PALETTE_COLOUR;
00128   return (TextColour)_colour_gradient[_company_colours[company]][4] | TC_IS_PALETTE_COLOUR;
00129 }
00130 
00137 void DrawCompanyIcon(CompanyID c, int x, int y)
00138 {
00139   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
00140 }
00141 
00148 //static bool IsValidCompanyManagerFace(CompanyManagerFace cmf) // r20689 TODO: check
00149 bool IsValidCompanyManagerFace(CompanyManagerFace cmf) // revert r20689 to be able to compile company_info patch
00150 {
00151   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
00152 
00153   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
00154   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
00155   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
00156   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
00157 
00158   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
00159   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
00160     switch (cmfv) {
00161       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
00162       case CMFV_LIPS:        // FALL THROUGH
00163       case CMFV_NOSE:        if (has_moustache)    continue; break;
00164       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
00165       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
00166       default: break;
00167     }
00168     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
00169   }
00170 
00171   return true;
00172 }
00173 
00178 void InvalidateCompanyWindows(const Company *company)
00179 {
00180   CompanyID cid = company->index;
00181 
00182   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
00183   SetWindowDirty(WC_FINANCES, cid);
00184 }
00185 
00191 bool CheckCompanyHasMoney(CommandCost &cost)
00192 {
00193   if (cost.GetCost() > 0) {
00194     const Company *c = Company::GetIfValid(_current_company);
00195     if (c != NULL && cost.GetCost() > c->money) {
00196       SetDParam(0, cost.GetCost());
00197       cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
00198       return false;
00199     }
00200   }
00201   return true;
00202 }
00203 
00209 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
00210 {
00211   if (cost.GetCost() == 0) return;
00212   assert(cost.GetExpensesType() != INVALID_EXPENSES);
00213 
00214   c->money -= cost.GetCost();
00215   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
00216 
00217   if (HasBit(1 << EXPENSES_TRAIN_INC    |
00218              1 << EXPENSES_ROADVEH_INC  |
00219              1 << EXPENSES_AIRCRAFT_INC |
00220              1 << EXPENSES_SHIP_INC     |
00221          1 << EXPENSES_SHARING_INC, cost.GetExpensesType())) {
00222     c->cur_economy.income -= cost.GetCost();
00223   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
00224                     1 << EXPENSES_ROADVEH_RUN  |
00225                     1 << EXPENSES_AIRCRAFT_RUN |
00226                     1 << EXPENSES_SHIP_RUN     |
00227                     1 << EXPENSES_PROPERTY     |
00228                     1 << EXPENSES_LOAN_INT     |
00229             1 << EXPENSES_SHARING_COST, cost.GetExpensesType())) {
00230     c->cur_economy.expenses -= cost.GetCost();
00231   }
00232 
00233   InvalidateCompanyWindows(c);
00234 }
00235 
00240 void SubtractMoneyFromCompany(CommandCost cost)
00241 {
00242   Company *c = Company::GetIfValid(_current_company);
00243   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
00244 }
00245 
00251 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
00252 {
00253   Company *c = Company::Get(company);
00254   byte m = c->money_fraction;
00255   Money cost = cst.GetCost();
00256 
00257   c->money_fraction = m - (byte)cost;
00258   cost >>= 8;
00259   if (c->money_fraction > m) cost++;
00260   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
00261 }
00262 
00264 void UpdateLandscapingLimits()
00265 {
00266   Company *c;
00267   FOR_ALL_COMPANIES(c) {
00268     c->terraform_limit = min(c->terraform_limit + _settings_game.construction.terraform_per_64k_frames, (uint32)_settings_game.construction.terraform_frame_burst << 16);
00269     c->clear_limit     = min(c->clear_limit     + _settings_game.construction.clear_per_64k_frames,     (uint32)_settings_game.construction.clear_frame_burst << 16);
00270   }
00271 }
00272 
00279 void GetNameOfOwner(Owner owner, TileIndex tile)
00280 {
00281   SetDParam(2, owner);
00282 
00283   if (owner != OWNER_TOWN) {
00284     if (!Company::IsValidID(owner)) {
00285       SetDParam(0, STR_COMPANY_SOMEONE);
00286     } else {
00287       SetDParam(0, STR_COMPANY_NAME);
00288       SetDParam(1, owner);
00289     }
00290   } else {
00291     assert(tile != 0);
00292     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
00293 
00294     SetDParam(0, STR_TOWN_NAME);
00295     SetDParam(1, t->index);
00296   }
00297 }
00298 
00299 
00308 CommandCost CheckOwnership(Owner owner, TileIndex tile)
00309 {
00310   assert(owner < OWNER_END);
00311   assert(owner != OWNER_TOWN || tile != 0);
00312 
00313   if (owner == _current_company) return CommandCost();
00314 
00315   GetNameOfOwner(owner, tile);
00316   return_cmd_error(STR_ERROR_OWNED_BY);
00317 }
00318 
00326 CommandCost CheckTileOwnership(TileIndex tile)
00327 {
00328   Owner owner = GetTileOwner(tile);
00329 
00330   assert(owner < OWNER_END);
00331 
00332   if (owner == _current_company) return CommandCost();
00333 
00334   /* no need to get the name of the owner unless we're the local company (saves some time) */
00335   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
00336   return_cmd_error(STR_ERROR_OWNED_BY);
00337 }
00338 
00343 static void GenerateCompanyName(Company *c)
00344 {
00345   /* Reserve space for extra unicode character. We need to do this to be able
00346    * to detect too long company name. */
00347   char buffer[(MAX_LENGTH_COMPANY_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
00348 
00349   if (c->name_1 != STR_SV_UNNAMED) return;
00350   if (c->last_build_coordinate == 0) return;
00351 
00352   Town *t = ClosestTownFromTile(c->last_build_coordinate, UINT_MAX);
00353 
00354   StringID str;
00355   uint32 strp;
00356   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
00357     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
00358     strp = t->townnameparts;
00359 
00360 verify_name:;
00361     /* No companies must have this name already */
00362     Company *cc;
00363     FOR_ALL_COMPANIES(cc) {
00364       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
00365     }
00366 
00367     GetString(buffer, str, lastof(buffer));
00368     if (Utf8StringLength(buffer) >= MAX_LENGTH_COMPANY_NAME_CHARS) goto bad_town_name;
00369 
00370 set_name:;
00371     c->name_1 = str;
00372     c->name_2 = strp;
00373 
00374     MarkWholeScreenDirty();
00375 
00376     if (c->is_ai) {
00377       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00378       cni->FillData(c);
00379       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
00380       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
00381       SetDParamStr(2, cni->company_name);
00382       SetDParam(3, t->index);
00383       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
00384     }
00385     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
00386     return;
00387   }
00388 bad_town_name:;
00389 
00390   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
00391     str = SPECSTR_ANDCO_NAME;
00392     strp = c->president_name_2;
00393     goto set_name;
00394   } else {
00395     str = SPECSTR_ANDCO_NAME;
00396     strp = Random();
00397     goto verify_name;
00398   }
00399 }
00400 
00402 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
00404 static const Colours _similar_colour[COLOUR_END][2] = {
00405   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
00406   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
00407   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
00408   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
00409   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
00410   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
00411   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
00412   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
00413   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
00414   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
00415   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
00416   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
00417   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
00418   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
00419   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
00420   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
00421 };
00422 
00427 static Colours GenerateCompanyColour()
00428 {
00429   Colours colours[COLOUR_END];
00430 
00431   /* Initialize array */
00432   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
00433 
00434   /* And randomize it */
00435   for (uint i = 0; i < 100; i++) {
00436     uint r = Random();
00437     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
00438   }
00439 
00440   /* Bubble sort it according to the values in table 1 */
00441   for (uint i = 0; i < COLOUR_END; i++) {
00442     for (uint j = 1; j < COLOUR_END; j++) {
00443       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
00444         Swap(colours[j - 1], colours[j]);
00445       }
00446     }
00447   }
00448 
00449   /* Move the colours that look similar to each company's colour to the side */
00450   Company *c;
00451   FOR_ALL_COMPANIES(c) {
00452     Colours pcolour = (Colours)c->colour;
00453 
00454     for (uint i = 0; i < COLOUR_END; i++) {
00455       if (colours[i] == pcolour) {
00456         colours[i] = INVALID_COLOUR;
00457         break;
00458       }
00459     }
00460 
00461     for (uint j = 0; j < 2; j++) {
00462       Colours similar = _similar_colour[pcolour][j];
00463       if (similar == INVALID_COLOUR) break;
00464 
00465       for (uint i = 1; i < COLOUR_END; i++) {
00466         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
00467       }
00468     }
00469   }
00470 
00471   /* Return the first available colour */
00472   for (uint i = 0; i < COLOUR_END; i++) {
00473     if (colours[i] != INVALID_COLOUR) return colours[i];
00474   }
00475 
00476   NOT_REACHED();
00477 }
00478 
00483 static void GeneratePresidentName(Company *c)
00484 {
00485   for (;;) {
00486 restart:;
00487     c->president_name_2 = Random();
00488     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
00489 
00490     /* Reserve space for extra unicode character. We need to do this to be able
00491      * to detect too long president name. */
00492     char buffer[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
00493     SetDParam(0, c->index);
00494     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
00495     if (Utf8StringLength(buffer) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) continue;
00496 
00497     Company *cc;
00498     FOR_ALL_COMPANIES(cc) {
00499       if (c != cc) {
00500         /* Reserve extra space so even overlength president names can be compared. */
00501         char buffer2[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
00502         SetDParam(0, cc->index);
00503         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
00504         if (strcmp(buffer2, buffer) == 0) goto restart;
00505       }
00506     }
00507     return;
00508   }
00509 }
00510 
00516 void ResetCompanyLivery(Company *c)
00517 {
00518   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
00519     c->livery[scheme].in_use  = false;
00520     c->livery[scheme].colour1 = c->colour;
00521     c->livery[scheme].colour2 = c->colour;
00522   }
00523 }
00524 
00532 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
00533 {
00534   if (!Company::CanAllocateItem()) return NULL;
00535 
00536   /* we have to generate colour before this company is valid */
00537   Colours colour = GenerateCompanyColour();
00538 
00539   Company *c;
00540   if (company == INVALID_COMPANY) {
00541     c = new Company(STR_SV_UNNAMED, is_ai);
00542   } else {
00543     if (Company::IsValidID(company)) return NULL;
00544     c = new (company) Company(STR_SV_UNNAMED, is_ai);
00545   }
00546 
00547   c->colour = colour;
00548 
00549   ResetCompanyLivery(c);
00550   _company_colours[c->index] = (Colours)c->colour;
00551 
00552   c->money = c->current_loan = (100000ll * _economy.inflation_prices >> 16) / 50000 * 50000;
00553 
00554   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
00555 
00556   c->avail_railtypes = GetCompanyRailtypes(c->index);
00557   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
00558   c->inaugurated_year = _cur_year;
00559   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
00560 
00561   SetDefaultCompanySettings(c->index);
00562 
00563   GeneratePresidentName(c);
00564 
00565   SetWindowDirty(WC_GRAPH_LEGEND, 0);
00566   SetWindowClassesDirty(WC_CLIENT_LIST_POPUP);
00567   SetWindowDirty(WC_CLIENT_LIST, 0);
00568   BuildOwnerLegend();
00569   InvalidateWindowData(WC_SMALLMAP, 0, 1);
00570 
00571   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
00572 
00573   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
00574 
00575   if (!is_ai) UpdateAllTownVirtCoords();
00576 
00577   return c;
00578 }
00579 
00581 void StartupCompanies()
00582 {
00583   _next_competitor_start = 0;
00584 }
00585 
00586 #ifdef ENABLE_AI
00587 
00588 static void MaybeStartNewCompany()
00589 {
00590 #ifdef ENABLE_NETWORK
00591   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
00592 #endif /* ENABLE_NETWORK */
00593 
00594   Company *c;
00595 
00596   /* count number of competitors */
00597   uint n = 0;
00598   FOR_ALL_COMPANIES(c) {
00599     if (c->is_ai) n++;
00600   }
00601 
00602   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
00603     /* Send a command to all clients to start up a new AI.
00604      * Works fine for Multiplayer and Singleplayer */
00605     DoCommandP(0, 1 | INVALID_COMPANY << 16, 0, CMD_COMPANY_CTRL);
00606   }
00607 }
00608 #endif /* ENABLE_AI */
00609 
00611 void InitializeCompanies()
00612 {
00613   _cur_company_tick_index = 0;
00614 }
00615 
00622 bool MayCompanyTakeOver(CompanyID cbig, CompanyID csmall)
00623 {
00624   uint big_counts[4], small_counts[4];
00625   CountCompanyVehicles(cbig,   big_counts);
00626   CountCompanyVehicles(csmall, small_counts);
00627 
00628   /* Do the combined vehicle counts stay within the limits? */
00629   return big_counts[VEH_TRAIN]     + small_counts[VEH_TRAIN]    <= _settings_game.vehicle.max_trains &&
00630     big_counts[VEH_ROAD]     + small_counts[VEH_ROAD]     <= _settings_game.vehicle.max_roadveh &&
00631     big_counts[VEH_SHIP]     + small_counts[VEH_SHIP]     <= _settings_game.vehicle.max_ships &&
00632     big_counts[VEH_AIRCRAFT] + small_counts[VEH_AIRCRAFT] <= _settings_game.vehicle.max_aircraft;
00633 }
00634 
00644 static void HandleBankruptcyTakeover(Company *c)
00645 {
00646   /* Amount of time out for each company to take over a company;
00647    * Timeout is a quarter (3 months of 30 days) divided over the
00648    * number of companies. The minimum number of days in a quarter
00649    * is 90: 31 in January, 28 in February and 31 in March.
00650    * Note that the company going bankrupt can't buy itself. */
00651   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
00652 
00653   assert(c->bankrupt_asked != 0);
00654 
00655   /* We're currently asking some company to buy 'us' */
00656   if (c->bankrupt_timeout != 0) {
00657     c->bankrupt_timeout -= MAX_COMPANIES;
00658     if (c->bankrupt_timeout > 0) return;
00659     c->bankrupt_timeout = 0;
00660 
00661     return;
00662   }
00663 
00664   /* Did we ask everyone for bankruptcy? If so, bail out. */
00665   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
00666 
00667   Company *c2, *best = NULL;
00668   int32 best_performance = -1;
00669 
00670   /* Ask the company with the highest performance history first */
00671   FOR_ALL_COMPANIES(c2) {
00672     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
00673         !HasBit(c->bankrupt_asked, c2->index) &&
00674         best_performance < c2->old_economy[1].performance_history &&
00675         MayCompanyTakeOver(c2->index, c->index)) {
00676       best_performance = c2->old_economy[1].performance_history;
00677       best = c2;
00678     }
00679   }
00680 
00681   /* Asked all companies? */
00682   if (best_performance == -1) {
00683     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00684     return;
00685   }
00686 
00687   SetBit(c->bankrupt_asked, best->index);
00688 
00689   c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
00690   if (best->is_ai) {
00691     AI::NewEvent(best->index, new AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
00692   } else if (IsInteractiveCompany(best->index)) {
00693     ShowBuyCompanyDialog(c->index);
00694   }
00695 }
00696 
00698 void OnTick_Companies()
00699 {
00700   if (_game_mode == GM_EDITOR) return;
00701 
00702   Company *c = Company::GetIfValid(_cur_company_tick_index);
00703   if (c != NULL) {
00704     if (c->name_1 != 0) GenerateCompanyName(c);
00705     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
00706   }
00707 
00708 #ifdef ENABLE_AI
00709   if (_next_competitor_start == 0) {
00710     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
00711   }
00712 
00713   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
00714     MaybeStartNewCompany();
00715   }
00716 #endif /* ENABLE_AI */
00717 
00718   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
00719 }
00720 
00725 void CompaniesYearlyLoop()
00726 {
00727   Company *c;
00728 
00729   /* Copy statistics */
00730   FOR_ALL_COMPANIES(c) {
00731     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
00732     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
00733     SetWindowDirty(WC_FINANCES, c->index);
00734   }
00735 
00736   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
00737     ShowCompanyFinances(_local_company);
00738     c = Company::Get(_local_company);
00739     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
00740       SndPlayFx(SND_01_BAD_YEAR);
00741     } else {
00742       SndPlayFx(SND_00_GOOD_YEAR);
00743     }
00744   }
00745 }
00746 
00752 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
00753 {
00754   SetDParam(0, c->index);
00755   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
00756 
00757   if (other == NULL) {
00758     *this->other_company_name = '\0';
00759   } else {
00760     SetDParam(0, other->index);
00761     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
00762     c = other;
00763   }
00764 
00765   SetDParam(0, c->index);
00766   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
00767 
00768   this->colour = c->colour;
00769   this->face = c->face;
00770 
00771 }
00772 
00777 void CompanyAdminUpdate(const Company *company)
00778 {
00779 #ifdef ENABLE_NETWORK
00780   if (_network_server) NetworkAdminCompanyUpdate(company);
00781 #endif /* ENABLE_NETWORK */
00782 }
00783 
00788 void CompanyAdminBankrupt(CompanyID company_id)
00789 {
00790 #ifdef ENABLE_NETWORK
00791   if (_network_server) NetworkAdminCompanyRemove(company_id, ADMIN_CRR_BANKRUPT);
00792 #endif /* ENABLE_NETWORK */
00793 }
00794 
00809 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00810 {
00811   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
00812   CompanyID company_id = (CompanyID)GB(p1, 16, 8);
00813 #ifdef ENABLE_NETWORK
00814   ClientID client_id = (ClientID)p2;
00815 #endif /* ENABLE_NETWORK */
00816 
00817   switch (GB(p1, 0, 16)) {
00818     case 0: { // Create a new company
00819       /* This command is only executed in a multiplayer game */
00820       if (!_networking) return CMD_ERROR;
00821 
00822 #ifdef ENABLE_NETWORK
00823       /* Has the network client a correct ClientIndex? */
00824       if (!(flags & DC_EXEC)) return CommandCost();
00825       NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
00826       if (ci == NULL) return CommandCost();
00827 
00828       /* Delete multiplayer progress bar */
00829       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00830 
00831       Company *c = DoStartupNewCompany(false);
00832 
00833       /* A new company could not be created, revert to being a spectator */
00834       if (c == NULL) {
00835         if (_network_server) {
00836           ci->client_playas = COMPANY_SPECTATOR;
00837           NetworkUpdateClientInfo(ci->client_id);
00838         }
00839         break;
00840       }
00841 
00842       /* This is the client (or non-dedicated server) who wants a new company */
00843       if (client_id == _network_own_client_id) {
00844         assert(_local_company == COMPANY_SPECTATOR);
00845         SetLocalCompany(c->index);
00846         if (!StrEmpty(_settings_client.network.default_company_pass)) {
00847           NetworkChangeCompanyPassword(_local_company, _settings_client.network.default_company_pass);
00848         }
00849 
00850         /* Now that we have a new company, broadcast our company settings to
00851          * all clients so everything is in sync */
00852         SyncCompanySettings();
00853 
00854         MarkWholeScreenDirty();
00855       }
00856 
00857       if (_network_server) {
00858         CompanyID old_playas = ci->client_playas;
00859         ci->client_playas = c->index;
00860         NetworkUpdateClientInfo(ci->client_id);
00861 
00862         if (Company::IsValidID(ci->client_playas)) {
00863           _network_company_states[c->index].months_empty = 0;
00864           _network_company_states[c->index].password[0] = '\0';
00865           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
00866 
00867           /* XXX - When a client joins, we automatically set its name to the
00868            * client's name (for some reason). As it stands now only the server
00869            * knows the client's name, so it needs to send out a "broadcast" to
00870            * do this. To achieve this we send a network command. However, it
00871            * uses _local_company to execute the command as.  To prevent abuse
00872            * (eg. only yourself can change your name/company), we 'cheat' by
00873            * impersonation _local_company as the server. Not the best solution;
00874            * but it works.
00875            * TODO: Perhaps this could be improved by when the client is ready
00876            * with joining to let it send itself the command, and not the server?
00877            * For example in network_client.c:534? */
00878           NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, ci->client_playas);
00879         }
00880 
00881         /* Announce new company on network, if the client was a SPECTATOR before */
00882         if (old_playas == COMPANY_SPECTATOR) {
00883           NetworkAdminCompanyInfo(c, true);
00884           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
00885         }
00886       }
00887 #endif /* ENABLE_NETWORK */
00888       break;
00889     }
00890 
00891     case 1: // Make a new AI company
00892       if (!(flags & DC_EXEC)) return CommandCost();
00893 
00894       if (company_id != INVALID_COMPANY && (company_id >= MAX_COMPANIES || Company::IsValidID(company_id))) return CMD_ERROR;
00895       DoStartupNewCompany(true, company_id);
00896       break;
00897 
00898     case 2: { // Delete a company
00899       Company *c = Company::GetIfValid(company_id);
00900       if (c == NULL) return CMD_ERROR;
00901 
00902       if (!(flags & DC_EXEC)) return CommandCost();
00903 
00904       /* Delete any open window of the company */
00905       DeleteCompanyWindows(c->index);
00906       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00907       cni->FillData(c);
00908 
00909       /* Show the bankrupt news */
00910       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00911       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00912       SetDParamStr(2, cni->company_name);
00913       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
00914 
00915       /* Remove the company */
00916       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00917       if (c->is_ai) AI::Stop(c->index);
00918 
00919       CompanyID c_index = c->index;
00920       delete c;
00921       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
00922       CompanyAdminBankrupt(c_index);
00923       break;
00924     }
00925 
00926     default: return CMD_ERROR;
00927   }
00928 
00929   InvalidateWindowClassesData(WC_GAME_OPTIONS);
00930   InvalidateWindowClassesData(WC_AI_SETTINGS);
00931   InvalidateWindowClassesData(WC_AI_LIST);
00932 
00933   return CommandCost();
00934 }
00935 
00945 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00946 {
00947   CompanyManagerFace cmf = (CompanyManagerFace)p2;
00948 
00949   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
00950 
00951   if (flags & DC_EXEC) {
00952     Company::Get(_current_company)->face = cmf;
00953     MarkWholeScreenDirty();
00954   }
00955   return CommandCost();
00956 }
00957 
00969 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00970 {
00971   Colours colour = Extract<Colours, 0, 4>(p2);
00972   LiveryScheme scheme = Extract<LiveryScheme, 0, 8>(p1);
00973   byte state = GB(p1, 8, 2);
00974 
00975   if (scheme >= LS_END || state >= 3 || colour == INVALID_COLOUR) return CMD_ERROR;
00976 
00977   Company *c = Company::Get(_current_company);
00978 
00979   /* Ensure no two companies have the same primary colour */
00980   if (scheme == LS_DEFAULT && state == 0) {
00981     const Company *cc;
00982     FOR_ALL_COMPANIES(cc) {
00983       if (cc != c && cc->colour == colour) return CMD_ERROR;
00984     }
00985   }
00986 
00987   if (flags & DC_EXEC) {
00988     switch (state) {
00989       case 0:
00990         c->livery[scheme].colour1 = colour;
00991 
00992         /* If setting the first colour of the default scheme, adjust the
00993          * original and cached company colours too. */
00994         if (scheme == LS_DEFAULT) {
00995           _company_colours[_current_company] = colour;
00996           c->colour = colour;
00997           CompanyAdminUpdate(c);
00998         }
00999         break;
01000 
01001       case 1:
01002         c->livery[scheme].colour2 = colour;
01003         break;
01004 
01005       case 2:
01006         c->livery[scheme].in_use = colour != 0;
01007 
01008         /* Now handle setting the default scheme's in_use flag.
01009          * This is different to the other schemes, as it signifies if any
01010          * scheme is active at all. If this flag is not set, then no
01011          * processing of vehicle types occurs at all, and only the default
01012          * colours will be used. */
01013 
01014         /* If enabling a scheme, set the default scheme to be in use too */
01015         if (colour != 0) {
01016           c->livery[LS_DEFAULT].in_use = true;
01017           break;
01018         }
01019 
01020         /* Else loop through all schemes to see if any are left enabled.
01021          * If not, disable the default scheme too. */
01022         c->livery[LS_DEFAULT].in_use = false;
01023         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
01024           if (c->livery[scheme].in_use) {
01025             c->livery[LS_DEFAULT].in_use = true;
01026             break;
01027           }
01028         }
01029         break;
01030 
01031       default:
01032         break;
01033     }
01034     ResetVehicleColourMap();
01035     MarkWholeScreenDirty();
01036 
01037     /* All graph related to companies use the company colour. */
01038     InvalidateWindowData(WC_INCOME_GRAPH, 0);
01039     InvalidateWindowData(WC_OPERATING_PROFIT, 0);
01040     InvalidateWindowData(WC_DELIVERED_CARGO, 0);
01041     InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
01042     InvalidateWindowData(WC_COMPANY_VALUE, 0);
01043     /* The smallmap owner view also stores the company colours. */
01044     BuildOwnerLegend();
01045     InvalidateWindowData(WC_SMALLMAP, 0, 1);
01046 
01047     /* Company colour data is indirectly cached. */
01048     Vehicle *v;
01049     FOR_ALL_VEHICLES(v) {
01050       if (v->owner == _current_company) v->InvalidateNewGRFCache();
01051     }
01052 
01053     extern void UpdateObjectColours(const Company *c);
01054     UpdateObjectColours(c);
01055   }
01056   return CommandCost();
01057 }
01058 
01064 static bool IsUniqueCompanyName(const char *name)
01065 {
01066   const Company *c;
01067 
01068   FOR_ALL_COMPANIES(c) {
01069     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
01070   }
01071 
01072   return true;
01073 }
01074 
01084 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01085 {
01086   bool reset = StrEmpty(text);
01087 
01088   if (!reset) {
01089     if (Utf8StringLength(text) >= MAX_LENGTH_COMPANY_NAME_CHARS) return CMD_ERROR;
01090     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
01091   }
01092 
01093   if (flags & DC_EXEC) {
01094     Company *c = Company::Get(_current_company);
01095     free(c->name);
01096     c->name = reset ? NULL : strdup(text);
01097     MarkWholeScreenDirty();
01098     InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
01099     CompanyAdminUpdate(c);
01100   }
01101 
01102   return CommandCost();
01103 }
01104 
01110 static bool IsUniquePresidentName(const char *name)
01111 {
01112   const Company *c;
01113 
01114   FOR_ALL_COMPANIES(c) {
01115     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
01116   }
01117 
01118   return true;
01119 }
01120 
01130 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01131 {
01132   bool reset = StrEmpty(text);
01133 
01134   if (!reset) {
01135     if (Utf8StringLength(text) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) return CMD_ERROR;
01136     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
01137   }
01138 
01139   if (flags & DC_EXEC) {
01140     Company *c = Company::Get(_current_company);
01141     free(c->president_name);
01142 
01143     if (reset) {
01144       c->president_name = NULL;
01145     } else {
01146       c->president_name = strdup(text);
01147 
01148       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
01149         char buf[80];
01150 
01151         snprintf(buf, lengthof(buf), "%s Transport", text);
01152         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
01153       }
01154     }
01155 
01156     MarkWholeScreenDirty();
01157     CompanyAdminUpdate(c);
01158   }
01159 
01160   return CommandCost();
01161 }