# company_cmd.cpp

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    00001 /* $Id: company_cmd.cpp 18732 2010-01-05 17:11:56Z 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
    00038 #include "table/strings.h"
    00039
    00040 CompanyByte _local_company;
    00041 CompanyByte _current_company;
    00042 /* NOSAVE: can be determined from company structs */
    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 Company::Company(uint16 name_1, bool is_ai) :
    00052   name_1(name_1),
    00053   location_of_HQ(INVALID_TILE),
    00054   is_ai(is_ai)
    00055 {
    00056   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
    00057   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
    00058 }
    00059
    00060 Company::~Company()
    00061 {
    00062   free(this->name);
    00063   free(this->president_name);
    00064   free(this->num_engines);
    00065
    00066   if (CleaningPool()) return;
    00067
    00068   DeleteCompanyWindows(this->index);
    00069 }
    00070
    00075 void Company::PostDestructor(size_t index)
    00076 {
    00077   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
    00078   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
    00079   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00080 }
    00081
    00088 void SetLocalCompany(CompanyID new_company)
    00089 {
    00090   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00091   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00092
    00093 #ifdef ENABLE_NETWORK
    00094   /* Delete the chat window, if you were team chatting. */
    00095   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
    00096 #endif
    00097
    00098   _local_company = new_company;
    00099
    00100   /* Delete any construction windows... */
    00101   DeleteConstructionWindows();
    00102
    00103   /* ... and redraw the whole screen. */
    00104   MarkWholeScreenDirty();
    00105 }
    00106
    00107 uint16 GetDrawStringCompanyColour(CompanyID company)
    00108 {
    00109   /* Get the colour for DrawString-subroutines which matches the colour
    00110    * of the company */
    00111   if (!Company::IsValidID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
    00112   return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
    00113 }
    00114
    00115 void DrawCompanyIcon(CompanyID c, int x, int y)
    00116 {
    00117   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
    00118 }
    00119
    00126 bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
    00127 {
    00128   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
    00129
    00130   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
    00131   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
    00132   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
    00133   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
    00134
    00135   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
    00136   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    00137     switch (cmfv) {
    00138       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
    00139       case CMFV_LIPS:        // FALL THROUGH
    00140       case CMFV_NOSE:        if (has_moustache)    continue; break;
    00141       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
    00142       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
    00143       default: break;
    00144     }
    00145     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
    00146   }
    00147
    00148   return true;
    00149 }
    00150
    00151 void InvalidateCompanyWindows(const Company *company)
    00152 {
    00153   CompanyID cid = company->index;
    00154
    00155   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
    00156   SetWindowDirty(WC_FINANCES, cid);
    00157 }
    00158
    00159 bool CheckCompanyHasMoney(CommandCost cost)
    00160 {
    00161   if (cost.GetCost() > 0) {
    00162     const Company *c = Company::GetIfValid(_current_company);
    00163     if (c != NULL && cost.GetCost() > c->money) {
    00164       SetDParam(0, cost.GetCost());
    00165       _error_message = STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY;
    00166       return false;
    00167     }
    00168   }
    00169   return true;
    00170 }
    00171
    00172 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
    00173 {
    00174   if (cost.GetCost() == 0) return;
    00175   assert(cost.GetExpensesType() != INVALID_EXPENSES);
    00176
    00177   c->money -= cost.GetCost();
    00178   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
    00179
    00180   if (HasBit(1 << EXPENSES_TRAIN_INC    |
    00181              1 << EXPENSES_ROADVEH_INC  |
    00182              1 << EXPENSES_AIRCRAFT_INC |
    00183              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    00184     c->cur_economy.income -= cost.GetCost();
    00185   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
    00186                     1 << EXPENSES_ROADVEH_RUN  |
    00187                     1 << EXPENSES_AIRCRAFT_RUN |
    00188                     1 << EXPENSES_SHIP_RUN     |
    00189                     1 << EXPENSES_PROPERTY     |
    00190                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    00191     c->cur_economy.expenses -= cost.GetCost();
    00192   }
    00193
    00194   InvalidateCompanyWindows(c);
    00195 }
    00196
    00197 void SubtractMoneyFromCompany(CommandCost cost)
    00198 {
    00199   Company *c = Company::GetIfValid(_current_company);
    00200   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
    00201 }
    00202
    00203 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
    00204 {
    00205   Company *c = Company::Get(company);
    00206   byte m = c->money_fraction;
    00207   Money cost = cst.GetCost();
    00208
    00209   c->money_fraction = m - (byte)cost;
    00210   cost >>= 8;
    00211   if (c->money_fraction > m) cost++;
    00212   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
    00213 }
    00214
    00221 void GetNameOfOwner(Owner owner, TileIndex tile)
    00222 {
    00223   SetDParam(2, owner);
    00224
    00225   if (owner != OWNER_TOWN) {
    00226     if (!Company::IsValidID(owner)) {
    00227       SetDParam(0, STR_COMPANY_SOMEONE);
    00228     } else {
    00229       SetDParam(0, STR_COMPANY_NAME);
    00230       SetDParam(1, owner);
    00231     }
    00232   } else {
    00233     assert(tile != 0);
    00234     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00235
    00236     SetDParam(0, STR_TOWN_NAME);
    00237     SetDParam(1, t->index);
    00238   }
    00239 }
    00240
    00241
    00250 bool CheckOwnership(Owner owner, TileIndex tile)
    00251 {
    00252   assert(owner < OWNER_END);
    00253   assert(owner != OWNER_TOWN || tile != 0);
    00254
    00255   if (owner == _current_company) return true;
    00256   _error_message = STR_ERROR_OWNED_BY;
    00257   GetNameOfOwner(owner, tile);
    00258   return false;
    00259 }
    00260
    00268 bool CheckTileOwnership(TileIndex tile)
    00269 {
    00270   Owner owner = GetTileOwner(tile);
    00271
    00272   assert(owner < OWNER_END);
    00273
    00274   if (owner == _current_company) return true;
    00275   _error_message = STR_ERROR_OWNED_BY;
    00276
    00277   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00278   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00279   return false;
    00280 }
    00281
    00282 static void GenerateCompanyName(Company *c)
    00283 {
    00284   TileIndex tile;
    00285   Town *t;
    00286   StringID str;
    00287   Company *cc;
    00288   uint32 strp;
    00289   /* Reserve space for extra unicode character. We need to do this to be able
    00290    * to detect too long company name. */
    00291   char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
    00292
    00293   if (c->name_1 != STR_SV_UNNAMED) return;
    00294
    00295   tile = c->last_build_coordinate;
    00296   if (tile == 0) return;
    00297
    00298   t = ClosestTownFromTile(tile, UINT_MAX);
    00299
    00300   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00301     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
    00302     strp = t->townnameparts;
    00303
    00304 verify_name:;
    00305     /* No companies must have this name already */
    00306     FOR_ALL_COMPANIES(cc) {
    00307       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00308     }
    00309
    00310     GetString(buffer, str, lastof(buffer));
    00311     if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
    00312
    00313 set_name:;
    00314     c->name_1 = str;
    00315     c->name_2 = strp;
    00316
    00317     MarkWholeScreenDirty();
    00318
    00319     if (c->is_ai) {
    00320       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00321       cni->FillData(c);
    00322       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
    00323       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
    00324       SetDParamStr(2, cni->company_name);
    00325       SetDParam(3, t->index);
    00326       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
    00327     }
    00328     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
    00329     return;
    00330   }
    00331 bad_town_name:;
    00332
    00333   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    00334     str = SPECSTR_ANDCO_NAME;
    00335     strp = c->president_name_2;
    00336     goto set_name;
    00337   } else {
    00338     str = SPECSTR_ANDCO_NAME;
    00339     strp = Random();
    00340     goto verify_name;
    00341   }
    00342 }
    00343
    00344 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
    00345 static const Colours _similar_colour[COLOUR_END][2] = {
    00346   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
    00347   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
    00348   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
    00349   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
    00350   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
    00351   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
    00352   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
    00353   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
    00354   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
    00355   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
    00356   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
    00357   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
    00358   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
    00359   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
    00360   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
    00361   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
    00362 };
    00363
    00364 static Colours GenerateCompanyColour()
    00365 {
    00366   Colours colours[COLOUR_END];
    00367
    00368   /* Initialize array */
    00369   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
    00370
    00371   /* And randomize it */
    00372   for (uint i = 0; i < 100; i++) {
    00373     uint r = Random();
    00374     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
    00375   }
    00376
    00377   /* Bubble sort it according to the values in table 1 */
    00378   for (uint i = 0; i < COLOUR_END; i++) {
    00379     for (uint j = 1; j < COLOUR_END; j++) {
    00380       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
    00381         Swap(colours[j - 1], colours[j]);
    00382       }
    00383     }
    00384   };
    00385
    00386   /* Move the colours that look similar to each company's colour to the side */
    00387   Company *c;
    00388   FOR_ALL_COMPANIES(c) {
    00389     Colours pcolour = (Colours)c->colour;
    00390
    00391     for (uint i = 0; i < COLOUR_END; i++) {
    00392       if (colours[i] == pcolour) {
    00393         colours[i] = INVALID_COLOUR;
    00394         break;
    00395       }
    00396     }
    00397
    00398     for (uint j = 0; j < 2; j++) {
    00399       Colours similar = _similar_colour[pcolour][j];
    00400       if (similar == INVALID_COLOUR) break;
    00401
    00402       for (uint i = 1; i < COLOUR_END; i++) {
    00403         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
    00404       }
    00405     }
    00406   }
    00407
    00408   /* Return the first available colour */
    00409   for (uint i = 0; i < COLOUR_END; i++) {
    00410     if (colours[i] != INVALID_COLOUR) return colours[i];
    00411   }
    00412
    00413   NOT_REACHED();
    00414 }
    00415
    00416 static void GeneratePresidentName(Company *c)
    00417 {
    00418   for (;;) {
    00419 restart:;
    00420     c->president_name_2 = Random();
    00421     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
    00422
    00423     /* Reserve space for extra unicode character. We need to do this to be able
    00424      * to detect too long president name. */
    00425     char buffer[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00426     SetDParam(0, c->index);
    00427     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    00428     if (strlen(buffer) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) continue;
    00429
    00430     Company *cc;
    00431     FOR_ALL_COMPANIES(cc) {
    00432       if (c != cc) {
    00433         /* Reserve extra space so even overlength president names can be compared. */
    00434         char buffer2[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00435         SetDParam(0, cc->index);
    00436         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
    00437         if (strcmp(buffer2, buffer) == 0) goto restart;
    00438       }
    00439     }
    00440     return;
    00441   }
    00442 }
    00443
    00444 void ResetCompanyLivery(Company *c)
    00445 {
    00446   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    00447     c->livery[scheme].in_use  = false;
    00448     c->livery[scheme].colour1 = c->colour;
    00449     c->livery[scheme].colour2 = c->colour;
    00450   }
    00451 }
    00452
    00460 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
    00461 {
    00462   if (!Company::CanAllocateItem()) return NULL;
    00463
    00464   /* we have to generate colour before this company is valid */
    00465   Colours colour = GenerateCompanyColour();
    00466
    00467   Company *c;
    00468   if (company == INVALID_COMPANY) {
    00469     c = new Company(STR_SV_UNNAMED, is_ai);
    00470   } else {
    00471     if (Company::IsValidID(company)) return NULL;
    00472     c = new (company) Company(STR_SV_UNNAMED, is_ai);
    00473   }
    00474
    00475   c->colour = colour;
    00476
    00477   ResetCompanyLivery(c);
    00478   _company_colours[c->index] = (Colours)c->colour;
    00479
    00480   c->money = c->current_loan = 100000;
    00481
    00482   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
    00483
    00484   c->avail_railtypes = GetCompanyRailtypes(c->index);
    00485   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
    00486   c->inaugurated_year = _cur_year;
    00487   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
    00488
    00489   SetDefaultCompanySettings(c->index);
    00490
    00491   GeneratePresidentName(c);
    00492
    00493   SetWindowDirty(WC_GRAPH_LEGEND, 0);
    00494   SetWindowDirty(WC_TOOLBAR_MENU, 0);
    00495   SetWindowDirty(WC_CLIENT_LIST, 0);
    00496
    00497   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00498
    00499   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
    00500
    00501   return c;
    00502 }
    00503
    00504 void StartupCompanies()
    00505 {
    00506   _next_competitor_start = 0;
    00507 }
    00508
    00509 static void MaybeStartNewCompany()
    00510 {
    00511 #ifdef ENABLE_NETWORK
    00512   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
    00513 #endif /* ENABLE_NETWORK */
    00514
    00515   Company *c;
    00516
    00517   /* count number of competitors */
    00518   uint n = 0;
    00519   FOR_ALL_COMPANIES(c) {
    00520     if (c->is_ai) n++;
    00521   }
    00522
    00523   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00524     /* Send a command to all clients to start up a new AI.
    00525      * Works fine for Multiplayer and Singleplayer */
    00526     DoCommandP(0, 1, INVALID_COMPANY, CMD_COMPANY_CTRL);
    00527   }
    00528 }
    00529
    00530 void InitializeCompanies()
    00531 {
    00532   _company_pool.CleanPool();
    00533   _cur_company_tick_index = 0;
    00534 }
    00535
    00545 static void HandleBankruptcyTakeover(Company *c)
    00546 {
    00547   /* Amount of time out for each company to take over a company;
    00548    * Timeout is a quarter (3 months of 30 days) divided over the
    00549    * number of companies. The minimum number of days in a quarter
    00550    * is 90: 31 in January, 28 in February and 31 in March.
    00551    * Note that the company going bankrupt can't buy itself. */
    00552   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
    00553
    00554   assert(c->bankrupt_asked != 0);
    00555
    00556   /* We're currently asking some company to buy 'us' */
    00557   if (c->bankrupt_timeout != 0) {
    00558     c->bankrupt_timeout -= MAX_COMPANIES;
    00559     if (c->bankrupt_timeout > 0) return;
    00560     c->bankrupt_timeout = 0;
    00561
    00562     return;
    00563   }
    00564
    00565   /* Did we ask everyone for bankruptcy? If so, bail out. */
    00566   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
    00567
    00568   Company *c2, *best = NULL;
    00569   int32 best_performance = -1;
    00570
    00571   /* Ask the company with the highest performance history first */
    00572   FOR_ALL_COMPANIES(c2) {
    00573     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
    00574         !HasBit(c->bankrupt_asked, c2->index) &&
    00575         best_performance < c2->old_economy[1].performance_history) {
    00576       best_performance = c2->old_economy[1].performance_history;
    00577       best = c2;
    00578     }
    00579   }
    00580
    00581   /* Asked all companies? */
    00582   if (best_performance == -1) {
    00583     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
    00584     return;
    00585   }
    00586
    00587   SetBit(c->bankrupt_asked, best->index);
    00588
    00589   if (IsInteractiveCompany(best->index)) {
    00590     c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
    00591     ShowBuyCompanyDialog(c->index);
    00592     return;
    00593   }
    00594
    00595   if (best->is_ai) {
    00596     AI::NewEvent(best->index, new AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
    00597   }
    00598 }
    00599
    00600 void OnTick_Companies()
    00601 {
    00602   if (_game_mode == GM_EDITOR) return;
    00603
    00604   Company *c = Company::GetIfValid(_cur_company_tick_index);
    00605   if (c != NULL) {
    00606     if (c->name_1 != 0) GenerateCompanyName(c);
    00607     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
    00608   }
    00609
    00610   if (_next_competitor_start == 0) {
    00611     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
    00612   }
    00613
    00614   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
    00615     MaybeStartNewCompany();
    00616   }
    00617
    00618   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00619 }
    00620
    00621 void CompaniesYearlyLoop()
    00622 {
    00623   Company *c;
    00624
    00625   /* Copy statistics */
    00626   FOR_ALL_COMPANIES(c) {
    00627     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00628     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00629     SetWindowDirty(WC_FINANCES, c->index);
    00630   }
    00631
    00632   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00633     ShowCompanyFinances(_local_company);
    00634     c = Company::Get(_local_company);
    00635     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00636       SndPlayFx(SND_01_BAD_YEAR);
    00637     } else {
    00638       SndPlayFx(SND_00_GOOD_YEAR);
    00639     }
    00640   }
    00641 }
    00642
    00654 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00655 {
    00656   Company *c = Company::GetIfValid(_current_company);
    00657   if (c == NULL) return CMD_ERROR;
    00658
    00659   EngineID old_engine_type = GB(p2, 0, 16);
    00660   EngineID new_engine_type = GB(p2, 16, 16);
    00661   GroupID id_g = GB(p1, 16, 16);
    00662   CommandCost cost;
    00663
    00664   if (!Group::IsValidID(id_g) && !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
    00665   if (new_engine_type != INVALID_ENGINE) {
    00666     if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;
    00667
    00668     cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
    00669   } else {
    00670     cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
    00671   }
    00672
    00673   if (IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);
    00674
    00675   return cost;
    00676 }
    00677
    00683 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00684 {
    00685   SetDParam(0, c->index);
    00686   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00687
    00688   if (other == NULL) {
    00689     *this->other_company_name = '\0';
    00690   } else {
    00691     SetDParam(0, other->index);
    00692     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00693     c = other;
    00694   }
    00695
    00696   SetDParam(0, c->index);
    00697   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
    00698
    00699   this->colour = c->colour;
    00700   this->face = c->face;
    00701
    00702 }
    00703
    00725 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00726 {
    00727   if (flags & DC_EXEC) _current_company = OWNER_NONE;
    00728
    00729   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00730
    00731   switch (p1) {
    00732     case 0: { // Create a new company
    00733       /* This command is only executed in a multiplayer game */
    00734       if (!_networking) return CMD_ERROR;
    00735
    00736 #ifdef ENABLE_NETWORK
    00737
    00738       /* Joining Client:
    00739        * _local_company: COMPANY_SPECTATOR
    00740        * cid = clientid
    00741        *
    00742        * Other client(s)/server:
    00743        * _local_company: what they play as
    00744        * cid = requested company/company of joining client */
    00745       ClientID cid = (ClientID)p2;
    00746
    00747       /* Has the network client a correct ClientIndex? */
    00748       if (!(flags & DC_EXEC)) return CommandCost();
    00749       NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
    00750       if (ci == NULL) return CommandCost();
    00751
    00752       /* Delete multiplayer progress bar */
    00753       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
    00754
    00755       Company *c = DoStartupNewCompany(false);
    00756
    00757       /* A new company could not be created, revert to being a spectator */
    00758       if (c == NULL) {
    00759         if (_network_server) {
    00760           ci->client_playas = COMPANY_SPECTATOR;
    00761           NetworkUpdateClientInfo(ci->client_id);
    00762         }
    00763         break;
    00764       }
    00765
    00766       /* This is the client (or non-dedicated server) who wants a new company */
    00767       if (cid == _network_own_client_id) {
    00768         assert(_local_company == COMPANY_SPECTATOR);
    00769         SetLocalCompany(c->index);
    00770         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00771           char *password = _settings_client.network.default_company_pass;
    00772           NetworkChangeCompanyPassword(1, &password);
    00773         }
    00774
    00775         _current_company = _local_company;
    00776
    00777         /* Now that we have a new company, broadcast our company settings to
    00778          * all clients so everything is in sync */
    00779         SyncCompanySettings();
    00780
    00781         MarkWholeScreenDirty();
    00782       }
    00783
    00784       if (_network_server) {
    00785         /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
    00786          * server side in network_server.c:838, function
    00787          * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
    00788         CompanyID old_playas = ci->client_playas;
    00789         ci->client_playas = c->index;
    00790         NetworkUpdateClientInfo(ci->client_id);
    00791
    00792         if (Company::IsValidID(ci->client_playas)) {
    00793           CompanyID company_backup = _local_company;
    00794           _network_company_states[c->index].months_empty = 0;
    00795           _network_company_states[c->index].password[0] = '\0';
    00796           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
    00797
    00798           /* XXX - When a client joins, we automatically set its name to the
    00799            * client's name (for some reason). As it stands now only the server
    00800            * knows the client's name, so it needs to send out a "broadcast" to
    00801            * do this. To achieve this we send a network command. However, it
    00802            * uses _local_company to execute the command as.  To prevent abuse
    00803            * (eg. only yourself can change your name/company), we 'cheat' by
    00804            * impersonation _local_company as the server. Not the best solution;
    00805            * but it works.
    00806            * TODO: Perhaps this could be improved by when the client is ready
    00807            * with joining to let it send itself the command, and not the server?
    00808            * For example in network_client.c:534? */
    00809           _local_company = ci->client_playas;
    00810           NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name);
    00811           _local_company = company_backup;
    00812         }
    00813
    00814         /* Announce new company on network, if the client was a SPECTATOR before */
    00815         if (old_playas == COMPANY_SPECTATOR) {
    00816           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
    00817         }
    00818       }
    00819 #endif /* ENABLE_NETWORK */
    00820     } break;
    00821
    00822     case 1: // Make a new AI company
    00823       if (!(flags & DC_EXEC)) return CommandCost();
    00824
    00825       if (p2 != INVALID_COMPANY && (p2 >= MAX_COMPANIES || Company::IsValidID(p2))) return CMD_ERROR;
    00826       DoStartupNewCompany(true, (CompanyID)p2);
    00827       break;
    00828
    00829     case 2: { // Delete a company
    00830       Company *c = Company::GetIfValid(p2);
    00831       if (c == NULL) return CMD_ERROR;
    00832
    00833       if (!(flags & DC_EXEC)) return CommandCost();
    00834
    00835       /* Delete any open window of the company */
    00836       DeleteCompanyWindows(c->index);
    00837       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00838       cni->FillData(c);
    00839
    00840       /* Show the bankrupt news */
    00841       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
    00842       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
    00843       SetDParamStr(2, cni->company_name);
    00844       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
    00845
    00846       /* Remove the company */
    00847       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00848       if (c->is_ai) AI::Stop(c->index);
    00849
    00850       CompanyID c_index = c->index;
    00851       delete c;
    00852       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
    00853     } break;
    00854
    00855     default: return CMD_ERROR;
    00856   }
    00857
    00858   return CommandCost();
    00859 }
    00860
    00869 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00870 {
    00871   CompanyManagerFace cmf = (CompanyManagerFace)p2;
    00872
    00873   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
    00874
    00875   if (flags & DC_EXEC) {
    00876     Company::Get(_current_company)->face = cmf;
    00877     MarkWholeScreenDirty();
    00878   }
    00879   return CommandCost();
    00880 }
    00881
    00892 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00893 {
    00894   if (p2 >= 16) return CMD_ERROR; // max 16 colours
    00895
    00896   Colours colour = (Colours)p2;
    00897
    00898   LiveryScheme scheme = (LiveryScheme)GB(p1, 0, 8);
    00899   byte state = GB(p1, 8, 2);
    00900
    00901   if (scheme >= LS_END || state >= 3) return CMD_ERROR;
    00902
    00903   Company *c = Company::Get(_current_company);
    00904
    00905   /* Ensure no two companies have the same primary colour */
    00906   if (scheme == LS_DEFAULT && state == 0) {
    00907     const Company *cc;
    00908     FOR_ALL_COMPANIES(cc) {
    00909       if (cc != c && cc->colour == colour) return CMD_ERROR;
    00910     }
    00911   }
    00912
    00913   if (flags & DC_EXEC) {
    00914     switch (state) {
    00915       case 0:
    00916         c->livery[scheme].colour1 = colour;
    00917
    00918         /* If setting the first colour of the default scheme, adjust the
    00919          * original and cached company colours too. */
    00920         if (scheme == LS_DEFAULT) {
    00921           _company_colours[_current_company] = colour;
    00922           c->colour = colour;
    00923         }
    00924         break;
    00925
    00926       case 1:
    00927         c->livery[scheme].colour2 = colour;
    00928         break;
    00929
    00930       case 2:
    00931         c->livery[scheme].in_use = colour != 0;
    00932
    00933         /* Now handle setting the default scheme's in_use flag.
    00934          * This is different to the other schemes, as it signifies if any
    00935          * scheme is active at all. If this flag is not set, then no
    00936          * processing of vehicle types occurs at all, and only the default
    00937          * colours will be used. */
    00938
    00939         /* If enabling a scheme, set the default scheme to be in use too */
    00940         if (colour != 0) {
    00941           c->livery[LS_DEFAULT].in_use = true;
    00942           break;
    00943         }
    00944
    00945         /* Else loop through all schemes to see if any are left enabled.
    00946          * If not, disable the default scheme too. */
    00947         c->livery[LS_DEFAULT].in_use = false;
    00948         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
    00949           if (c->livery[scheme].in_use) {
    00950             c->livery[LS_DEFAULT].in_use = true;
    00951             break;
    00952           }
    00953         }
    00954         break;
    00955
    00956       default:
    00957         break;
    00958     }
    00959     ResetVehicleColourMap();
    00960     MarkWholeScreenDirty();
    00961
    00962     /* Company colour data is indirectly cached. */
    00963     Vehicle *v;
    00964     FOR_ALL_VEHICLES(v) {
    00965       if (v->owner == _current_company) v->InvalidateNewGRFCache();
    00966     }
    00967   }
    00968   return CommandCost();
    00969 }
    00970
    00971 static bool IsUniqueCompanyName(const char *name)
    00972 {
    00973   const Company *c;
    00974
    00975   FOR_ALL_COMPANIES(c) {
    00976     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
    00977   }
    00978
    00979   return true;
    00980 }
    00981
    00990 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00991 {
    00992   bool reset = StrEmpty(text);
    00993
    00994   if (!reset) {
    00995     if (strlen(text) >= MAX_LENGTH_COMPANY_NAME_BYTES) return CMD_ERROR;
    00996     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    00997   }
    00998
    00999   if (flags & DC_EXEC) {
    01000     Company *c = Company::Get(_current_company);
    01001     free(c->name);
    01002     c->name = reset ? NULL : strdup(text);
    01003     MarkWholeScreenDirty();
    01004   }
    01005
    01006   return CommandCost();
    01007 }
    01008
    01009 static bool IsUniquePresidentName(const char *name)
    01010 {
    01011   const Company *c;
    01012
    01013   FOR_ALL_COMPANIES(c) {
    01014     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
    01015   }
    01016
    01017   return true;
    01018 }
    01019
    01028 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01029 {
    01030   bool reset = StrEmpty(text);
    01031
    01032   if (!reset) {
    01033     if (strlen(text) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) return CMD_ERROR;
    01034     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01035   }
    01036
    01037   if (flags & DC_EXEC) {
    01038     Company *c = Company::Get(_current_company);
    01039     free(c->president_name);
    01040
    01041     if (reset) {
    01042       c->president_name = NULL;
    01043     } else {
    01044       c->president_name = strdup(text);
    01045
    01046       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
    01047         char buf[80];
    01048
    01049         snprintf(buf, lengthof(buf), "%s Transport", text);
    01050         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
    01051       }
    01052     }
    01053
    01054     MarkWholeScreenDirty();
    01055   }
    01056
    01057   return CommandCost();
    01058 }