# 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_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
    00036 #include "table/strings.h"
    00037
    00038 CompanyByte _local_company;
    00039 CompanyByte _current_company;
    00040 /* NOSAVE: can be determined from company structs */
    00041 Colours _company_colours[MAX_COMPANIES];
    00042 CompanyManagerFace _company_manager_face;
    00043 uint _next_competitor_start;
    00044 uint _cur_company_tick_index;
    00045
    00046 CompanyPool _company_pool("Company");
    00047 INSTANTIATE_POOL_METHODS(Company)
    00048
    00049 Company::Company(uint16 name_1, bool is_ai) :
    00050   name_1(name_1),
    00051   location_of_HQ(INVALID_TILE),
    00052   is_ai(is_ai)
    00053 {
    00054   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
    00055   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
    00056 }
    00057
    00058 Company::~Company()
    00059 {
    00060   free(this->name);
    00061   free(this->president_name);
    00062   free(this->num_engines);
    00063
    00064   if (CleaningPool()) return;
    00065
    00066   DeleteCompanyWindows(this->index);
    00067 }
    00068
    00073 void Company::PostDestructor(size_t index)
    00074 {
    00075   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
    00076   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
    00077   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00078 }
    00079
    00086 void SetLocalCompany(CompanyID new_company)
    00087 {
    00088   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00089   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00090
    00091 #ifdef ENABLE_NETWORK
    00092   /* Delete the chat window, if you were team chatting. */
    00093   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
    00094 #endif
    00095
    00096   _local_company = new_company;
    00097
    00098   /* Delete any construction windows... */
    00099   DeleteConstructionWindows();
    00100
    00101   /* ... and redraw the whole screen. */
    00102   MarkWholeScreenDirty();
    00103 }
    00104
    00105 uint16 GetDrawStringCompanyColour(CompanyID company)
    00106 {
    00107   /* Get the colour for DrawString-subroutines which matches the colour
    00108    * of the company */
    00109   if (!Company::IsValidID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
    00110   return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
    00111 }
    00112
    00113 void DrawCompanyIcon(CompanyID c, int x, int y)
    00114 {
    00115   DrawSprite(SPR_COMPANY_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
    00116 }
    00117
    00124 bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
    00125 {
    00126   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
    00127
    00128   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
    00129   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
    00130   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
    00131   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
    00132
    00133   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
    00134   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    00135     switch (cmfv) {
    00136       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
    00137       case CMFV_LIPS:        // FALL THROUGH
    00138       case CMFV_NOSE:        if (has_moustache)    continue; break;
    00139       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
    00140       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
    00141       default: break;
    00142     }
    00143     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
    00144   }
    00145
    00146   return true;
    00147 }
    00148
    00149 void InvalidateCompanyWindows(const Company *company)
    00150 {
    00151   CompanyID cid = company->index;
    00152
    00153   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
    00154   SetWindowDirty(WC_FINANCES, cid);
    00155 }
    00156
    00157 bool CheckCompanyHasMoney(CommandCost cost)
    00158 {
    00159   if (cost.GetCost() > 0) {
    00160     const Company *c = Company::GetIfValid(_current_company);
    00161     if (c != NULL && cost.GetCost() > c->money) {
    00162       SetDParam(0, cost.GetCost());
    00163       _error_message = STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY;
    00164       return false;
    00165     }
    00166   }
    00167   return true;
    00168 }
    00169
    00170 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
    00171 {
    00172   if (cost.GetCost() == 0) return;
    00173   assert(cost.GetExpensesType() != INVALID_EXPENSES);
    00174
    00175   c->money -= cost.GetCost();
    00176   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
    00177
    00178   if (HasBit(1 << EXPENSES_TRAIN_INC    |
    00179              1 << EXPENSES_ROADVEH_INC  |
    00180              1 << EXPENSES_AIRCRAFT_INC |
    00181              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    00182     c->cur_economy.income -= cost.GetCost();
    00183   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
    00184                     1 << EXPENSES_ROADVEH_RUN  |
    00185                     1 << EXPENSES_AIRCRAFT_RUN |
    00186                     1 << EXPENSES_SHIP_RUN     |
    00187                     1 << EXPENSES_PROPERTY     |
    00188                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    00189     c->cur_economy.expenses -= cost.GetCost();
    00190   }
    00191
    00192   InvalidateCompanyWindows(c);
    00193 }
    00194
    00195 void SubtractMoneyFromCompany(CommandCost cost)
    00196 {
    00197   Company *c = Company::GetIfValid(_current_company);
    00198   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
    00199 }
    00200
    00201 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
    00202 {
    00203   Company *c = Company::Get(company);
    00204   byte m = c->money_fraction;
    00205   Money cost = cst.GetCost();
    00206
    00207   c->money_fraction = m - (byte)cost;
    00208   cost >>= 8;
    00209   if (c->money_fraction > m) cost++;
    00210   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
    00211 }
    00212
    00213 void GetNameOfOwner(Owner owner, TileIndex tile)
    00214 {
    00215   SetDParam(2, owner);
    00216
    00217   if (owner != OWNER_TOWN) {
    00218     if (!Company::IsValidID(owner)) {
    00219       SetDParam(0, STR_COMPANY_SOMEONE);
    00220     } else {
    00221       SetDParam(0, STR_COMPANY_NAME);
    00222       SetDParam(1, owner);
    00223     }
    00224   } else {
    00225     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00226
    00227     SetDParam(0, STR_TOWN_NAME);
    00228     SetDParam(1, t->index);
    00229   }
    00230 }
    00231
    00232
    00233 bool CheckOwnership(Owner owner)
    00234 {
    00235   assert(owner < OWNER_END);
    00236
    00237   if (owner == _current_company) return true;
    00238   _error_message = STR_ERROR_OWNED_BY;
    00239   GetNameOfOwner(owner, 0);
    00240   return false;
    00241 }
    00242
    00243 bool CheckTileOwnership(TileIndex tile)
    00244 {
    00245   Owner owner = GetTileOwner(tile);
    00246
    00247   assert(owner < OWNER_END);
    00248
    00249   if (owner == _current_company) return true;
    00250   _error_message = STR_ERROR_OWNED_BY;
    00251
    00252   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00253   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00254   return false;
    00255 }
    00256
    00257 static void GenerateCompanyName(Company *c)
    00258 {
    00259   TileIndex tile;
    00260   Town *t;
    00261   StringID str;
    00262   Company *cc;
    00263   uint32 strp;
    00264   /* Reserve space for extra unicode character. We need to do this to be able
    00265    * to detect too long company name. */
    00266   char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
    00267
    00268   if (c->name_1 != STR_SV_UNNAMED) return;
    00269
    00270   tile = c->last_build_coordinate;
    00271   if (tile == 0) return;
    00272
    00273   t = ClosestTownFromTile(tile, UINT_MAX);
    00274
    00275   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00276     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
    00277     strp = t->townnameparts;
    00278
    00279 verify_name:;
    00280     /* No companies must have this name already */
    00281     FOR_ALL_COMPANIES(cc) {
    00282       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00283     }
    00284
    00285     GetString(buffer, str, lastof(buffer));
    00286     if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
    00287
    00288 set_name:;
    00289     c->name_1 = str;
    00290     c->name_2 = strp;
    00291
    00292     MarkWholeScreenDirty();
    00293
    00294     if (c->is_ai) {
    00295       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00296       cni->FillData(c);
    00297       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
    00298       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
    00299       SetDParamStr(2, cni->company_name);
    00300       SetDParam(3, t->index);
    00301       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
    00302     }
    00303     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
    00304     return;
    00305   }
    00306 bad_town_name:;
    00307
    00308   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    00309     str = SPECSTR_ANDCO_NAME;
    00310     strp = c->president_name_2;
    00311     goto set_name;
    00312   } else {
    00313     str = SPECSTR_ANDCO_NAME;
    00314     strp = Random();
    00315     goto verify_name;
    00316   }
    00317 }
    00318
    00319 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
    00320 static const Colours _similar_colour[COLOUR_END][2] = {
    00321   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
    00322   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
    00323   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
    00324   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
    00325   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
    00326   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
    00327   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
    00328   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
    00329   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
    00330   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
    00331   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
    00332   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
    00333   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
    00334   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
    00335   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
    00336   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
    00337 };
    00338
    00339 static Colours GenerateCompanyColour()
    00340 {
    00341   Colours colours[COLOUR_END];
    00342
    00343   /* Initialize array */
    00344   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
    00345
    00346   /* And randomize it */
    00347   for (uint i = 0; i < 100; i++) {
    00348     uint r = Random();
    00349     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
    00350   }
    00351
    00352   /* Bubble sort it according to the values in table 1 */
    00353   for (uint i = 0; i < COLOUR_END; i++) {
    00354     for (uint j = 1; j < COLOUR_END; j++) {
    00355       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
    00356         Swap(colours[j - 1], colours[j]);
    00357       }
    00358     }
    00359   };
    00360
    00361   /* Move the colours that look similar to each company's colour to the side */
    00362   Company *c;
    00363   FOR_ALL_COMPANIES(c) {
    00364     Colours pcolour = (Colours)c->colour;
    00365
    00366     for (uint i = 0; i < COLOUR_END; i++) {
    00367       if (colours[i] == pcolour) {
    00368         colours[i] = INVALID_COLOUR;
    00369         break;
    00370       }
    00371     }
    00372
    00373     for (uint j = 0; j < 2; j++) {
    00374       Colours similar = _similar_colour[pcolour][j];
    00375       if (similar == INVALID_COLOUR) break;
    00376
    00377       for (uint i = 1; i < COLOUR_END; i++) {
    00378         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
    00379       }
    00380     }
    00381   }
    00382
    00383   /* Return the first available colour */
    00384   for (uint i = 0; i < COLOUR_END; i++) {
    00385     if (colours[i] != INVALID_COLOUR) return colours[i];
    00386   }
    00387
    00388   NOT_REACHED();
    00389 }
    00390
    00391 static void GeneratePresidentName(Company *c)
    00392 {
    00393   for (;;) {
    00394 restart:;
    00395     c->president_name_2 = Random();
    00396     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
    00397
    00398     /* Reserve space for extra unicode character. We need to do this to be able
    00399      * to detect too long president name. */
    00400     char buffer[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00401     SetDParam(0, c->index);
    00402     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    00403     if (strlen(buffer) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) continue;
    00404
    00405     Company *cc;
    00406     FOR_ALL_COMPANIES(cc) {
    00407       if (c != cc) {
    00408         /* Reserve extra space so even overlength president names can be compared. */
    00409         char buffer2[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00410         SetDParam(0, cc->index);
    00411         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
    00412         if (strcmp(buffer2, buffer) == 0) goto restart;
    00413       }
    00414     }
    00415     return;
    00416   }
    00417 }
    00418
    00419 void ResetCompanyLivery(Company *c)
    00420 {
    00421   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    00422     c->livery[scheme].in_use  = false;
    00423     c->livery[scheme].colour1 = c->colour;
    00424     c->livery[scheme].colour2 = c->colour;
    00425   }
    00426 }
    00427
    00435 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
    00436 {
    00437   if (!Company::CanAllocateItem()) return NULL;
    00438
    00439   /* we have to generate colour before this company is valid */
    00440   Colours colour = GenerateCompanyColour();
    00441
    00442   Company *c;
    00443   if (company == INVALID_COMPANY) {
    00444     c = new Company(STR_SV_UNNAMED, is_ai);
    00445   } else {
    00446     if (Company::IsValidID(company)) return NULL;
    00447     c = new (company) Company(STR_SV_UNNAMED, is_ai);
    00448   }
    00449
    00450   c->colour = colour;
    00451
    00452   ResetCompanyLivery(c);
    00453   _company_colours[c->index] = (Colours)c->colour;
    00454
    00455   c->money = c->current_loan = 100000;
    00456
    00457   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
    00458
    00459   c->avail_railtypes = GetCompanyRailtypes(c->index);
    00460   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
    00461   c->inaugurated_year = _cur_year;
    00462   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
    00463
    00464   SetDefaultCompanySettings(c->index);
    00465
    00466   GeneratePresidentName(c);
    00467
    00468   SetWindowDirty(WC_GRAPH_LEGEND, 0);
    00469   SetWindowDirty(WC_TOOLBAR_MENU, 0);
    00470   SetWindowDirty(WC_CLIENT_LIST, 0);
    00471
    00472   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00473
    00474   c->num_engines = CallocT<uint16>(Engine::GetPoolSize());
    00475
    00476   return c;
    00477 }
    00478
    00479 void StartupCompanies()
    00480 {
    00481   _next_competitor_start = 0;
    00482 }
    00483
    00484 static void MaybeStartNewCompany()
    00485 {
    00486 #ifdef ENABLE_NETWORK
    00487   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
    00488 #endif /* ENABLE_NETWORK */
    00489
    00490   Company *c;
    00491
    00492   /* count number of competitors */
    00493   uint n = 0;
    00494   FOR_ALL_COMPANIES(c) {
    00495     if (c->is_ai) n++;
    00496   }
    00497
    00498   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00499     /* Send a command to all clients to start up a new AI.
    00500      * Works fine for Multiplayer and Singleplayer */
    00501     DoCommandP(0, 1, INVALID_COMPANY, CMD_COMPANY_CTRL);
    00502   }
    00503 }
    00504
    00505 void InitializeCompanies()
    00506 {
    00507   _company_pool.CleanPool();
    00508   _cur_company_tick_index = 0;
    00509 }
    00510
    00520 static void HandleBankruptcyTakeover(Company *c)
    00521 {
    00522   /* Amount of time out for each company to take over a company;
    00523    * Timeout is a quarter (3 months of 30 days) divided over the
    00524    * number of companies. The minimum number of days in a quarter
    00525    * is 90: 31 in January, 28 in February and 31 in March.
    00526    * Note that the company going bankrupt can't buy itself. */
    00527   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
    00528
    00529   assert(c->bankrupt_asked != 0);
    00530
    00531   /* We're currently asking some company to buy 'us' */
    00532   if (c->bankrupt_timeout != 0) {
    00533     c->bankrupt_timeout -= MAX_COMPANIES;
    00534     if (c->bankrupt_timeout > 0) return;
    00535     c->bankrupt_timeout = 0;
    00536
    00537     return;
    00538   }
    00539
    00540   /* Did we ask everyone for bankruptcy? If so, bail out. */
    00541   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
    00542
    00543   Company *c2, *best = NULL;
    00544   int32 best_performance = -1;
    00545
    00546   /* Ask the company with the highest performance history first */
    00547   FOR_ALL_COMPANIES(c2) {
    00548     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
    00549         !HasBit(c->bankrupt_asked, c2->index) &&
    00550         best_performance < c2->old_economy[1].performance_history) {
    00551       best_performance = c2->old_economy[1].performance_history;
    00552       best = c2;
    00553     }
    00554   }
    00555
    00556   /* Asked all companies? */
    00557   if (best_performance == -1) {
    00558     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
    00559     return;
    00560   }
    00561
    00562   SetBit(c->bankrupt_asked, best->index);
    00563
    00564   if (IsInteractiveCompany(best->index)) {
    00565     c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
    00566     ShowBuyCompanyDialog(c->index);
    00567     return;
    00568   }
    00569
    00570   if (best->is_ai) {
    00571     AI::NewEvent(best->index, new AIEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
    00572   }
    00573 }
    00574
    00575 void OnTick_Companies()
    00576 {
    00577   if (_game_mode == GM_EDITOR) return;
    00578
    00579   Company *c = Company::GetIfValid(_cur_company_tick_index);
    00580   if (c != NULL) {
    00581     if (c->name_1 != 0) GenerateCompanyName(c);
    00582     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
    00583   }
    00584
    00585   if (_next_competitor_start == 0) {
    00586     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
    00587   }
    00588
    00589   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
    00590     MaybeStartNewCompany();
    00591   }
    00592
    00593   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00594 }
    00595
    00596 void CompaniesYearlyLoop()
    00597 {
    00598   Company *c;
    00599
    00600   /* Copy statistics */
    00601   FOR_ALL_COMPANIES(c) {
    00602     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00603     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00604     SetWindowDirty(WC_FINANCES, c->index);
    00605   }
    00606
    00607   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00608     ShowCompanyFinances(_local_company);
    00609     c = Company::Get(_local_company);
    00610     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00611       SndPlayFx(SND_01_BAD_YEAR);
    00612     } else {
    00613       SndPlayFx(SND_00_GOOD_YEAR);
    00614     }
    00615   }
    00616 }
    00617
    00629 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00630 {
    00631   Company *c = Company::GetIfValid(_current_company);
    00632   if (c == NULL) return CMD_ERROR;
    00633
    00634   EngineID old_engine_type = GB(p2, 0, 16);
    00635   EngineID new_engine_type = GB(p2, 16, 16);
    00636   GroupID id_g = GB(p1, 16, 16);
    00637   CommandCost cost;
    00638
    00639   if (!Group::IsValidID(id_g) && !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
    00640   if (new_engine_type != INVALID_ENGINE) {
    00641     if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;
    00642
    00643     cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
    00644   } else {
    00645     cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
    00646   }
    00647
    00648   if (IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);
    00649
    00650   return cost;
    00651 }
    00652
    00658 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00659 {
    00660   SetDParam(0, c->index);
    00661   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00662
    00663   if (other == NULL) {
    00664     *this->other_company_name = '\0';
    00665   } else {
    00666     SetDParam(0, other->index);
    00667     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00668     c = other;
    00669   }
    00670
    00671   SetDParam(0, c->index);
    00672   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
    00673
    00674   this->colour = c->colour;
    00675   this->face = c->face;
    00676
    00677 }
    00678
    00700 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00701 {
    00702   if (flags & DC_EXEC) _current_company = OWNER_NONE;
    00703
    00704   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00705
    00706   switch (p1) {
    00707     case 0: { // Create a new company
    00708       /* This command is only executed in a multiplayer game */
    00709       if (!_networking) return CMD_ERROR;
    00710
    00711 #ifdef ENABLE_NETWORK
    00712
    00713       /* Joining Client:
    00714        * _local_company: COMPANY_SPECTATOR
    00715        * cid = clientid
    00716        *
    00717        * Other client(s)/server:
    00718        * _local_company: what they play as
    00719        * cid = requested company/company of joining client */
    00720       ClientID cid = (ClientID)p2;
    00721
    00722       /* Has the network client a correct ClientIndex? */
    00723       if (!(flags & DC_EXEC)) return CommandCost();
    00724       NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
    00725       if (ci == NULL) return CommandCost();
    00726
    00727       /* Delete multiplayer progress bar */
    00728       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
    00729
    00730       Company *c = DoStartupNewCompany(false);
    00731
    00732       /* A new company could not be created, revert to being a spectator */
    00733       if (c == NULL) {
    00734         if (_network_server) {
    00735           ci->client_playas = COMPANY_SPECTATOR;
    00736           NetworkUpdateClientInfo(ci->client_id);
    00737         }
    00738         break;
    00739       }
    00740
    00741       /* This is the client (or non-dedicated server) who wants a new company */
    00742       if (cid == _network_own_client_id) {
    00743         assert(_local_company == COMPANY_SPECTATOR);
    00744         SetLocalCompany(c->index);
    00745         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00746           char *password = _settings_client.network.default_company_pass;
    00747           NetworkChangeCompanyPassword(1, &password);
    00748         }
    00749
    00750         _current_company = _local_company;
    00751
    00752         /* Now that we have a new company, broadcast our company settings to
    00753          * all clients so everything is in sync */
    00754         SyncCompanySettings();
    00755
    00756         MarkWholeScreenDirty();
    00757       }
    00758
    00759       if (_network_server) {
    00760         /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
    00761          * server side in network_server.c:838, function
    00762          * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
    00763         CompanyID old_playas = ci->client_playas;
    00764         ci->client_playas = c->index;
    00765         NetworkUpdateClientInfo(ci->client_id);
    00766
    00767         if (Company::IsValidID(ci->client_playas)) {
    00768           CompanyID company_backup = _local_company;
    00769           _network_company_states[c->index].months_empty = 0;
    00770           _network_company_states[c->index].password[0] = '\0';
    00771           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
    00772
    00773           /* XXX - When a client joins, we automatically set its name to the
    00774            * client's name (for some reason). As it stands now only the server
    00775            * knows the client's name, so it needs to send out a "broadcast" to
    00776            * do this. To achieve this we send a network command. However, it
    00777            * uses _local_company to execute the command as.  To prevent abuse
    00778            * (eg. only yourself can change your name/company), we 'cheat' by
    00779            * impersonation _local_company as the server. Not the best solution;
    00780            * but it works.
    00781            * TODO: Perhaps this could be improved by when the client is ready
    00782            * with joining to let it send itself the command, and not the server?
    00783            * For example in network_client.c:534? */
    00784           _local_company = ci->client_playas;
    00785           NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name);
    00786           _local_company = company_backup;
    00787         }
    00788
    00789         /* Announce new company on network, if the client was a SPECTATOR before */
    00790         if (old_playas == COMPANY_SPECTATOR) {
    00791           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
    00792         }
    00793       }
    00794 #endif /* ENABLE_NETWORK */
    00795     } break;
    00796
    00797     case 1: // Make a new AI company
    00798       if (!(flags & DC_EXEC)) return CommandCost();
    00799
    00800       if (p2 != INVALID_COMPANY && (p2 >= MAX_COMPANIES || Company::IsValidID(p2))) return CMD_ERROR;
    00801       DoStartupNewCompany(true, (CompanyID)p2);
    00802       break;
    00803
    00804     case 2: { // Delete a company
    00805       Company *c = Company::GetIfValid(p2);
    00806       if (c == NULL) return CMD_ERROR;
    00807
    00808       if (!(flags & DC_EXEC)) return CommandCost();
    00809
    00810       /* Delete any open window of the company */
    00811       DeleteCompanyWindows(c->index);
    00812       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00813       cni->FillData(c);
    00814
    00815       /* Show the bankrupt news */
    00816       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
    00817       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
    00818       SetDParamStr(2, cni->company_name);
    00819       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
    00820
    00821       /* Remove the company */
    00822       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00823       if (c->is_ai) AI::Stop(c->index);
    00824
    00825       CompanyID c_index = c->index;
    00826       delete c;
    00827       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
    00828     } break;
    00829
    00830     default: return CMD_ERROR;
    00831   }
    00832
    00833   return CommandCost();
    00834 }