# 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 }