# company_cmd.cpp

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    00001 /* $Id: company_cmd.cpp 25761 2013-09-13 12:45:25Z zuu $ */
    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 "company_base.h"
    00014 #include "company_func.h"
    00015 #include "company_gui.h"
    00016 #include "town.h"
    00017 #include "news_func.h"
    00018 #include "cmd_helper.h"
    00019 #include "command_func.h"
    00020 #include "network/network.h"
    00021 #include "network/network_func.h"
    00022 #include "network/network_base.h"
    00023 #include "network/network_admin.h"
    00024 #include "ai/ai.hpp"
    00025 #include "company_manager_face.h"
    00026 #include "window_func.h"
    00027 #include "strings_func.h"
    00028 #include "date_func.h"
    00029 #include "sound_func.h"
    00030 #include "rail.h"
    00031 #include "core/pool_func.hpp"
    00032 #include "settings_func.h"
    00033 #include "vehicle_base.h"
    00034 #include "vehicle_func.h"
    00035 #include "smallmap_gui.h"
    00036 #include "game/game.hpp"
    00037 #include "goal_base.h"
    00038 #include "story_base.h"
    00039
    00040 #include "table/strings.h"
    00041
    00042 CompanyByte _local_company;
    00043 CompanyByte _current_company;
    00044 Colours _company_colours[MAX_COMPANIES];
    00045 CompanyManagerFace _company_manager_face;
    00046 uint _next_competitor_start;
    00047 uint _cur_company_tick_index;
    00048
    00049 CompanyPool _company_pool("Company");
    00050 INSTANTIATE_POOL_METHODS(Company)
    00051
    00052
    00057 Company::Company(uint16 name_1, bool is_ai)
    00058 {
    00059   this->name_1 = name_1;
    00060   this->location_of_HQ = INVALID_TILE;
    00061   this->is_ai = is_ai;
    00062   this->terraform_limit = _settings_game.construction.terraform_frame_burst << 16;
    00063   this->clear_limit     = _settings_game.construction.clear_frame_burst << 16;
    00064   this->tree_limit      = _settings_game.construction.tree_frame_burst << 16;
    00065
    00066   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
    00067   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, INVALID_COMPANY);
    00068 }
    00069
    00071 Company::~Company()
    00072 {
    00073   if (CleaningPool()) return;
    00074
    00075   DeleteCompanyWindows(this->index);
    00076 }
    00077
    00082 void Company::PostDestructor(size_t index)
    00083 {
    00084   InvalidateWindowData(WC_GRAPH_LEGEND, 0, (int)index);
    00085   InvalidateWindowData(WC_PERFORMANCE_DETAIL, 0, (int)index);
    00086   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00087   InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
    00088   /* If the currently shown error message has this company in it, then close it. */
    00089   InvalidateWindowData(WC_ERRMSG, 0);
    00090 }
    00091
    00098 void SetLocalCompany(CompanyID new_company)
    00099 {
    00100   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00101   assert(Company::IsValidID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00102
    00103 #ifdef ENABLE_NETWORK
    00104   /* Delete the chat window, if you were team chatting. */
    00105   InvalidateWindowData(WC_SEND_NETWORK_MSG, DESTTYPE_TEAM, _local_company);
    00106 #endif
    00107
    00108   assert(IsLocalCompany());
    00109
    00110   _current_company = _local_company = new_company;
    00111
    00112   /* Delete any construction windows... */
    00113   DeleteConstructionWindows();
    00114
    00115   /* ... and redraw the whole screen. */
    00116   MarkWholeScreenDirty();
    00117   InvalidateWindowClassesData(WC_SIGN_LIST, -1);
    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)
    00149 {
    00150   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
    00151
    00152   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
    00153   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
    00154   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
    00155   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
    00156
    00157   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
    00158   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    00159     switch (cmfv) {
    00160       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
    00161       case CMFV_LIPS:        // FALL THROUGH
    00162       case CMFV_NOSE:        if (has_moustache)    continue; break;
    00163       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
    00164       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
    00165       default: break;
    00166     }
    00167     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
    00168   }
    00169
    00170   return true;
    00171 }
    00172
    00177 void InvalidateCompanyWindows(const Company *company)
    00178 {
    00179   CompanyID cid = company->index;
    00180
    00181   if (cid == _local_company) SetWindowDirty(WC_STATUS_BAR, 0);
    00182   SetWindowDirty(WC_FINANCES, cid);
    00183 }
    00184
    00190 bool CheckCompanyHasMoney(CommandCost &cost)
    00191 {
    00192   if (cost.GetCost() > 0) {
    00193     const Company *c = Company::GetIfValid(_current_company);
    00194     if (c != NULL && cost.GetCost() > c->money) {
    00195       SetDParam(0, cost.GetCost());
    00196       cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
    00197       return false;
    00198     }
    00199   }
    00200   return true;
    00201 }
    00202
    00208 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
    00209 {
    00210   if (cost.GetCost() == 0) return;
    00211   assert(cost.GetExpensesType() != INVALID_EXPENSES);
    00212
    00213   c->money -= cost.GetCost();
    00214   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
    00215
    00216   if (HasBit(1 << EXPENSES_TRAIN_INC    |
    00217              1 << EXPENSES_ROADVEH_INC  |
    00218              1 << EXPENSES_AIRCRAFT_INC |
    00219              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    00220     c->cur_economy.income -= cost.GetCost();
    00221   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
    00222                     1 << EXPENSES_ROADVEH_RUN  |
    00223                     1 << EXPENSES_AIRCRAFT_RUN |
    00224                     1 << EXPENSES_SHIP_RUN     |
    00225                     1 << EXPENSES_PROPERTY     |
    00226                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    00227     c->cur_economy.expenses -= cost.GetCost();
    00228   }
    00229
    00230   InvalidateCompanyWindows(c);
    00231 }
    00232
    00237 void SubtractMoneyFromCompany(CommandCost cost)
    00238 {
    00239   Company *c = Company::GetIfValid(_current_company);
    00240   if (c != NULL) SubtractMoneyFromAnyCompany(c, cost);
    00241 }
    00242
    00248 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
    00249 {
    00250   Company *c = Company::Get(company);
    00251   byte m = c->money_fraction;
    00252   Money cost = cst.GetCost();
    00253
    00254   c->money_fraction = m - (byte)cost;
    00255   cost >>= 8;
    00256   if (c->money_fraction > m) cost++;
    00257   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
    00258 }
    00259
    00261 void UpdateLandscapingLimits()
    00262 {
    00263   Company *c;
    00264   FOR_ALL_COMPANIES(c) {
    00265     c->terraform_limit = min(c->terraform_limit + _settings_game.construction.terraform_per_64k_frames, (uint32)_settings_game.construction.terraform_frame_burst << 16);
    00266     c->clear_limit     = min(c->clear_limit     + _settings_game.construction.clear_per_64k_frames,     (uint32)_settings_game.construction.clear_frame_burst << 16);
    00267     c->tree_limit      = min(c->tree_limit      + _settings_game.construction.tree_per_64k_frames,      (uint32)_settings_game.construction.tree_frame_burst << 16);
    00268   }
    00269 }
    00270
    00277 void GetNameOfOwner(Owner owner, TileIndex tile)
    00278 {
    00279   SetDParam(2, owner);
    00280
    00281   if (owner != OWNER_TOWN) {
    00282     if (!Company::IsValidID(owner)) {
    00283       SetDParam(0, STR_COMPANY_SOMEONE);
    00284     } else {
    00285       SetDParam(0, STR_COMPANY_NAME);
    00286       SetDParam(1, owner);
    00287     }
    00288   } else {
    00289     assert(tile != 0);
    00290     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00291
    00292     SetDParam(0, STR_TOWN_NAME);
    00293     SetDParam(1, t->index);
    00294   }
    00295 }
    00296
    00297
    00306 CommandCost CheckOwnership(Owner owner, TileIndex tile)
    00307 {
    00308   assert(owner < OWNER_END);
    00309   assert(owner != OWNER_TOWN || tile != 0);
    00310
    00311   if (owner == _current_company) return CommandCost();
    00312
    00313   GetNameOfOwner(owner, tile);
    00314   return_cmd_error(STR_ERROR_OWNED_BY);
    00315 }
    00316
    00324 CommandCost CheckTileOwnership(TileIndex tile)
    00325 {
    00326   Owner owner = GetTileOwner(tile);
    00327
    00328   assert(owner < OWNER_END);
    00329
    00330   if (owner == _current_company) return CommandCost();
    00331
    00332   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00333   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00334   return_cmd_error(STR_ERROR_OWNED_BY);
    00335 }
    00336
    00341 static void GenerateCompanyName(Company *c)
    00342 {
    00343   /* Reserve space for extra unicode character. We need to do this to be able
    00344    * to detect too long company name. */
    00345   char buffer[(MAX_LENGTH_COMPANY_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00346
    00347   if (c->name_1 != STR_SV_UNNAMED) return;
    00348   if (c->last_build_coordinate == 0) return;
    00349
    00350   Town *t = ClosestTownFromTile(c->last_build_coordinate, UINT_MAX);
    00351
    00352   StringID str;
    00353   uint32 strp;
    00354   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00355     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_COMPANY_NAME_START;
    00356     strp = t->townnameparts;
    00357
    00358 verify_name:;
    00359     /* No companies must have this name already */
    00360     Company *cc;
    00361     FOR_ALL_COMPANIES(cc) {
    00362       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00363     }
    00364
    00365     GetString(buffer, str, lastof(buffer));
    00366     if (Utf8StringLength(buffer) >= MAX_LENGTH_COMPANY_NAME_CHARS) goto bad_town_name;
    00367
    00368 set_name:;
    00369     c->name_1 = str;
    00370     c->name_2 = strp;
    00371
    00372     MarkWholeScreenDirty();
    00373
    00374     if (c->is_ai) {
    00375       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00376       cni->FillData(c);
    00377       SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
    00378       SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
    00379       SetDParamStr(2, cni->company_name);
    00380       SetDParam(3, t->index);
    00381       AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NT_COMPANY_INFO, NF_COMPANY, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
    00382     }
    00383     return;
    00384   }
    00385 bad_town_name:;
    00386
    00387   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    00388     str = SPECSTR_ANDCO_NAME;
    00389     strp = c->president_name_2;
    00390     goto set_name;
    00391   } else {
    00392     str = SPECSTR_ANDCO_NAME;
    00393     strp = Random();
    00394     goto verify_name;
    00395   }
    00396 }
    00397
    00399 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
    00401 static const Colours _similar_colour[COLOUR_END][2] = {
    00402   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
    00403   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
    00404   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
    00405   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
    00406   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
    00407   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
    00408   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
    00409   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
    00410   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
    00411   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
    00412   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
    00413   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
    00414   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
    00415   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
    00416   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
    00417   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
    00418 };
    00419
    00424 static Colours GenerateCompanyColour()
    00425 {
    00426   Colours colours[COLOUR_END];
    00427
    00428   /* Initialize array */
    00429   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
    00430
    00431   /* And randomize it */
    00432   for (uint i = 0; i < 100; i++) {
    00433     uint r = Random();
    00434     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
    00435   }
    00436
    00437   /* Bubble sort it according to the values in table 1 */
    00438   for (uint i = 0; i < COLOUR_END; i++) {
    00439     for (uint j = 1; j < COLOUR_END; j++) {
    00440       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
    00441         Swap(colours[j - 1], colours[j]);
    00442       }
    00443     }
    00444   }
    00445
    00446   /* Move the colours that look similar to each company's colour to the side */
    00447   Company *c;
    00448   FOR_ALL_COMPANIES(c) {
    00449     Colours pcolour = (Colours)c->colour;
    00450
    00451     for (uint i = 0; i < COLOUR_END; i++) {
    00452       if (colours[i] == pcolour) {
    00453         colours[i] = INVALID_COLOUR;
    00454         break;
    00455       }
    00456     }
    00457
    00458     for (uint j = 0; j < 2; j++) {
    00459       Colours similar = _similar_colour[pcolour][j];
    00460       if (similar == INVALID_COLOUR) break;
    00461
    00462       for (uint i = 1; i < COLOUR_END; i++) {
    00463         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
    00464       }
    00465     }
    00466   }
    00467
    00468   /* Return the first available colour */
    00469   for (uint i = 0; i < COLOUR_END; i++) {
    00470     if (colours[i] != INVALID_COLOUR) return colours[i];
    00471   }
    00472
    00473   NOT_REACHED();
    00474 }
    00475
    00480 static void GeneratePresidentName(Company *c)
    00481 {
    00482   for (;;) {
    00483 restart:;
    00484     c->president_name_2 = Random();
    00485     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
    00486
    00487     /* Reserve space for extra unicode character. We need to do this to be able
    00488      * to detect too long president name. */
    00489     char buffer[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00490     SetDParam(0, c->index);
    00491     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    00492     if (Utf8StringLength(buffer) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) continue;
    00493
    00494     Company *cc;
    00495     FOR_ALL_COMPANIES(cc) {
    00496       if (c != cc) {
    00497         /* Reserve extra space so even overlength president names can be compared. */
    00498         char buffer2[(MAX_LENGTH_PRESIDENT_NAME_CHARS + 1) * MAX_CHAR_LENGTH];
    00499         SetDParam(0, cc->index);
    00500         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
    00501         if (strcmp(buffer2, buffer) == 0) goto restart;
    00502       }
    00503     }
    00504     return;
    00505   }
    00506 }
    00507
    00513 void ResetCompanyLivery(Company *c)
    00514 {
    00515   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    00516     c->livery[scheme].in_use  = false;
    00517     c->livery[scheme].colour1 = c->colour;
    00518     c->livery[scheme].colour2 = c->colour;
    00519   }
    00520 }
    00521
    00529 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
    00530 {
    00531   if (!Company::CanAllocateItem()) return NULL;
    00532
    00533   /* we have to generate colour before this company is valid */
    00534   Colours colour = GenerateCompanyColour();
    00535
    00536   Company *c;
    00537   if (company == INVALID_COMPANY) {
    00538     c = new Company(STR_SV_UNNAMED, is_ai);
    00539   } else {
    00540     if (Company::IsValidID(company)) return NULL;
    00541     c = new (company) Company(STR_SV_UNNAMED, is_ai);
    00542   }
    00543
    00544   c->colour = colour;
    00545
    00546   ResetCompanyLivery(c);
    00547   _company_colours[c->index] = (Colours)c->colour;
    00548
    00549   c->money = c->current_loan = (100000ll * _economy.inflation_prices >> 16) / 50000 * 50000;
    00550
    00551   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
    00552
    00553   c->avail_railtypes = GetCompanyRailtypes(c->index);
    00554   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
    00555   c->inaugurated_year = _cur_year;
    00556   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false, false); // create a random company manager face
    00557
    00558   SetDefaultCompanySettings(c->index);
    00559
    00560   GeneratePresidentName(c);
    00561
    00562   SetWindowDirty(WC_GRAPH_LEGEND, 0);
    00563   SetWindowClassesDirty(WC_CLIENT_LIST_POPUP);
    00564   SetWindowDirty(WC_CLIENT_LIST, 0);
    00565   InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
    00566   BuildOwnerLegend();
    00567   InvalidateWindowData(WC_SMALLMAP, 0, 1);
    00568
    00569   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00570
    00571   AI::BroadcastNewEvent(new ScriptEventCompanyNew(c->index), c->index);
    00572   Game::NewEvent(new ScriptEventCompanyNew(c->index));
    00573
    00574   return c;
    00575 }
    00576
    00578 void StartupCompanies()
    00579 {
    00580   _next_competitor_start = 0;
    00581 }
    00582
    00584 static void MaybeStartNewCompany()
    00585 {
    00586 #ifdef ENABLE_NETWORK
    00587   if (_networking && Company::GetNumItems() >= _settings_client.network.max_companies) return;
    00588 #endif /* ENABLE_NETWORK */
    00589
    00590   Company *c;
    00591
    00592   /* count number of competitors */
    00593   uint n = 0;
    00594   FOR_ALL_COMPANIES(c) {
    00595     if (c->is_ai) n++;
    00596   }
    00597
    00598   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00599     /* Send a command to all clients to start up a new AI.
    00600      * Works fine for Multiplayer and Singleplayer */
    00601     DoCommandP(0, 1 | INVALID_COMPANY << 16, 0, CMD_COMPANY_CTRL);
    00602   }
    00603 }
    00604
    00606 void InitializeCompanies()
    00607 {
    00608   _cur_company_tick_index = 0;
    00609 }
    00610
    00617 bool MayCompanyTakeOver(CompanyID cbig, CompanyID csmall)
    00618 {
    00619   const Company *c1 = Company::Get(cbig);
    00620   const Company *c2 = Company::Get(csmall);
    00621
    00622   /* Do the combined vehicle counts stay within the limits? */
    00623   return c1->group_all[VEH_TRAIN].num_vehicle + c2->group_all[VEH_TRAIN].num_vehicle <= _settings_game.vehicle.max_trains &&
    00624     c1->group_all[VEH_ROAD].num_vehicle     + c2->group_all[VEH_ROAD].num_vehicle     <= _settings_game.vehicle.max_roadveh &&
    00625     c1->group_all[VEH_SHIP].num_vehicle     + c2->group_all[VEH_SHIP].num_vehicle     <= _settings_game.vehicle.max_ships &&
    00626     c1->group_all[VEH_AIRCRAFT].num_vehicle + c2->group_all[VEH_AIRCRAFT].num_vehicle <= _settings_game.vehicle.max_aircraft;
    00627 }
    00628
    00638 static void HandleBankruptcyTakeover(Company *c)
    00639 {
    00640   /* Amount of time out for each company to take over a company;
    00641    * Timeout is a quarter (3 months of 30 days) divided over the
    00642    * number of companies. The minimum number of days in a quarter
    00643    * is 90: 31 in January, 28 in February and 31 in March.
    00644    * Note that the company going bankrupt can't buy itself. */
    00645   static const int TAKE_OVER_TIMEOUT = 3 * 30 * DAY_TICKS / (MAX_COMPANIES - 1);
    00646
    00647   assert(c->bankrupt_asked != 0);
    00648
    00649   /* We're currently asking some company to buy 'us' */
    00650   if (c->bankrupt_timeout != 0) {
    00651     c->bankrupt_timeout -= MAX_COMPANIES;
    00652     if (c->bankrupt_timeout > 0) return;
    00653     c->bankrupt_timeout = 0;
    00654
    00655     return;
    00656   }
    00657
    00658   /* Did we ask everyone for bankruptcy? If so, bail out. */
    00659   if (c->bankrupt_asked == MAX_UVALUE(CompanyMask)) return;
    00660
    00661   Company *c2, *best = NULL;
    00662   int32 best_performance = -1;
    00663
    00664   /* Ask the company with the highest performance history first */
    00665   FOR_ALL_COMPANIES(c2) {
    00666     if (c2->bankrupt_asked == 0 && // Don't ask companies going bankrupt themselves
    00667         !HasBit(c->bankrupt_asked, c2->index) &&
    00668         best_performance < c2->old_economy[1].performance_history &&
    00669         MayCompanyTakeOver(c2->index, c->index)) {
    00670       best_performance = c2->old_economy[1].performance_history;
    00671       best = c2;
    00672     }
    00673   }
    00674
    00675   /* Asked all companies? */
    00676   if (best_performance == -1) {
    00677     c->bankrupt_asked = MAX_UVALUE(CompanyMask);
    00678     return;
    00679   }
    00680
    00681   SetBit(c->bankrupt_asked, best->index);
    00682
    00683   c->bankrupt_timeout = TAKE_OVER_TIMEOUT;
    00684   if (best->is_ai) {
    00685     AI::NewEvent(best->index, new ScriptEventCompanyAskMerger(c->index, ClampToI32(c->bankrupt_value)));
    00686   } else if (IsInteractiveCompany(best->index)) {
    00687     ShowBuyCompanyDialog(c->index);
    00688   }
    00689 }
    00690
    00692 void OnTick_Companies()
    00693 {
    00694   if (_game_mode == GM_EDITOR) return;
    00695
    00696   Company *c = Company::GetIfValid(_cur_company_tick_index);
    00697   if (c != NULL) {
    00698     if (c->name_1 != 0) GenerateCompanyName(c);
    00699     if (c->bankrupt_asked != 0) HandleBankruptcyTakeover(c);
    00700   }
    00701
    00702   if (_next_competitor_start == 0) {
    00703     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
    00704   }
    00705
    00706   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
    00707     MaybeStartNewCompany();
    00708   }
    00709
    00710   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00711 }
    00712
    00717 void CompaniesYearlyLoop()
    00718 {
    00719   Company *c;
    00720
    00721   /* Copy statistics */
    00722   FOR_ALL_COMPANIES(c) {
    00723     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00724     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00725     SetWindowDirty(WC_FINANCES, c->index);
    00726   }
    00727
    00728   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00729     ShowCompanyFinances(_local_company);
    00730     c = Company::Get(_local_company);
    00731     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00732       if (_settings_client.sound.new_year) SndPlayFx(SND_01_BAD_YEAR);
    00733     } else {
    00734       if (_settings_client.sound.new_year) SndPlayFx(SND_00_GOOD_YEAR);
    00735     }
    00736   }
    00737 }
    00738
    00744 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00745 {
    00746   SetDParam(0, c->index);
    00747   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00748
    00749   if (other == NULL) {
    00750     *this->other_company_name = '\0';
    00751   } else {
    00752     SetDParam(0, other->index);
    00753     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00754     c = other;
    00755   }
    00756
    00757   SetDParam(0, c->index);
    00758   GetString(this->president_name, STR_PRESIDENT_NAME_MANAGER, lastof(this->president_name));
    00759
    00760   this->colour = c->colour;
    00761   this->face = c->face;
    00762
    00763 }
    00764
    00769 void CompanyAdminUpdate(const Company *company)
    00770 {
    00771 #ifdef ENABLE_NETWORK
    00772   if (_network_server) NetworkAdminCompanyUpdate(company);
    00773 #endif /* ENABLE_NETWORK */
    00774 }
    00775
    00781 void CompanyAdminRemove(CompanyID company_id, CompanyRemoveReason reason)
    00782 {
    00783 #ifdef ENABLE_NETWORK
    00784   if (_network_server) NetworkAdminCompanyRemove(company_id, (AdminCompanyRemoveReason)reason);
    00785 #endif /* ENABLE_NETWORK */
    00786 }
    00787
    00802 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00803 {
    00804   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00805   CompanyID company_id = (CompanyID)GB(p1, 16, 8);
    00806 #ifdef ENABLE_NETWORK
    00807   ClientID client_id = (ClientID)p2;
    00808 #endif /* ENABLE_NETWORK */
    00809
    00810   switch (GB(p1, 0, 16)) {
    00811     case 0: { // Create a new company
    00812       /* This command is only executed in a multiplayer game */
    00813       if (!_networking) return CMD_ERROR;
    00814
    00815 #ifdef ENABLE_NETWORK
    00816       /* Has the network client a correct ClientIndex? */
    00817       if (!(flags & DC_EXEC)) return CommandCost();
    00818       NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
    00819 #ifndef DEBUG_DUMP_COMMANDS
    00820       /* When replaying the client ID is not a valid client; there
    00821        * are actually no clients at all. However, the company has to
    00822        * be created, otherwise we cannot rerun the game properly.
    00823        * So only allow a NULL client info in that case. */
    00824       if (ci == NULL) return CommandCost();
    00825 #endif /* NOT DEBUG_DUMP_COMMANDS */
    00826
    00827       /* Delete multiplayer progress bar */
    00828       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
    00829
    00830       Company *c = DoStartupNewCompany(false);
    00831
    00832       /* A new company could not be created, revert to being a spectator */
    00833       if (c == NULL) {
    00834         if (_network_server) {
    00835           ci->client_playas = COMPANY_SPECTATOR;
    00836           NetworkUpdateClientInfo(ci->client_id);
    00837         }
    00838         break;
    00839       }
    00840
    00841       /* This is the client (or non-dedicated server) who wants a new company */
    00842       if (client_id == _network_own_client_id) {
    00843         assert(_local_company == COMPANY_SPECTATOR);
    00844         SetLocalCompany(c->index);
    00845         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00846           NetworkChangeCompanyPassword(_local_company, _settings_client.network.default_company_pass);
    00847         }
    00848
    00849         /* Now that we have a new company, broadcast our company settings to
    00850          * all clients so everything is in sync */
    00851         SyncCompanySettings();
    00852
    00853         MarkWholeScreenDirty();
    00854       }
    00855
    00856       if (_network_server) {
    00857         if (ci != NULL) {
    00858           /* ci is only NULL when replaying.
    00859            * When replaying no client is actually in need of an update. */
    00860           ci->client_playas = c->index;
    00861           NetworkUpdateClientInfo(ci->client_id);
    00862         }
    00863
    00864         if (Company::IsValidID(c->index)) {
    00865           _network_company_states[c->index].months_empty = 0;
    00866           _network_company_states[c->index].password[0] = '\0';
    00867           NetworkServerUpdateCompanyPassworded(c->index, false);
    00868
    00869           /* XXX - When a client joins, we automatically set its name to the
    00870            * client's name (for some reason). As it stands now only the server
    00871            * knows the client's name, so it needs to send out a "broadcast" to
    00872            * do this. To achieve this we send a network command. However, it
    00873            * uses _local_company to execute the command as.  To prevent abuse
    00874            * (eg. only yourself can change your name/company), we 'cheat' by
    00875            * impersonation _local_company as the server. Not the best solution;
    00876            * but it works.
    00877            * TODO: Perhaps this could be improved by when the client is ready
    00878            * with joining to let it send itself the command, and not the server?
    00879            * For example in network_client.c:534? */
    00880           if (ci != NULL) {
    00881             /* ci is only NULL when replaying.
    00882              * When replaying, the command to rename the president will
    00883              * automatically be ran, so this is not even needed to get
    00884              * the exact same state. */
    00885             NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name, c->index);
    00886           }
    00887         }
    00888
    00889         /* Announce new company on network. */
    00890         NetworkAdminCompanyInfo(c, true);
    00891
    00892         if (ci != NULL) {
    00893           /* ci is only NULL when replaying.
    00894            * When replaying, the message that someone started a new company
    00895            * is not interesting at all. */
    00896           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, c->index + 1);
    00897         }
    00898       }
    00899 #endif /* ENABLE_NETWORK */
    00900       break;
    00901     }
    00902
    00903     case 1: // Make a new AI company
    00904       if (!(flags & DC_EXEC)) return CommandCost();
    00905
    00906       if (company_id != INVALID_COMPANY && (company_id >= MAX_COMPANIES || Company::IsValidID(company_id))) return CMD_ERROR;
    00907       DoStartupNewCompany(true, company_id);
    00908       break;
    00909
    00910     case 2: { // Delete a company
    00911       CompanyRemoveReason reason = (CompanyRemoveReason)GB(p2, 0, 2);
    00912       if (reason >= CRR_END) return CMD_ERROR;
    00913
    00914       Company *c = Company::GetIfValid(company_id);
    00915       if (c == NULL) return CMD_ERROR;
    00916
    00917       if (!(flags & DC_EXEC)) return CommandCost();
    00918
    00919       /* Delete any open window of the company */
    00920       DeleteCompanyWindows(c->index);
    00921       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00922       cni->FillData(c);
    00923
    00924       /* Show the bankrupt news */
    00925       SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
    00926       SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
    00927       SetDParamStr(2, cni->company_name);
    00928       AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, cni);
    00929
    00930       /* Remove the company */
    00931       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00932       if (c->is_ai) AI::Stop(c->index);
    00933
    00934       CompanyID c_index = c->index;
    00935       delete c;
    00936       AI::BroadcastNewEvent(new ScriptEventCompanyBankrupt(c_index));
    00937       Game::NewEvent(new ScriptEventCompanyBankrupt(c_index));
    00938       CompanyAdminRemove(c_index, (CompanyRemoveReason)reason);
    00939
    00940       if (StoryPage::GetNumItems() == 0 || Goal::GetNumItems() == 0) InvalidateWindowData(WC_MAIN_TOOLBAR, 0);
    00941       break;
    00942     }
    00943
    00944     default: return CMD_ERROR;
    00945   }
    00946
    00947   InvalidateWindowClassesData(WC_GAME_OPTIONS);
    00948   InvalidateWindowClassesData(WC_AI_SETTINGS);
    00949   InvalidateWindowClassesData(WC_AI_LIST);
    00950
    00951   return CommandCost();
    00952 }
    00953
    00963 CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00964 {
    00965   CompanyManagerFace cmf = (CompanyManagerFace)p2;
    00966
    00967   if (!IsValidCompanyManagerFace(cmf)) return CMD_ERROR;
    00968
    00969   if (flags & DC_EXEC) {
    00970     Company::Get(_current_company)->face = cmf;
    00971     MarkWholeScreenDirty();
    00972   }
    00973   return CommandCost();
    00974 }
    00975
    00987 CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00988 {
    00989   Colours colour = Extract<Colours, 0, 4>(p2);
    00990   LiveryScheme scheme = Extract<LiveryScheme, 0, 8>(p1);
    00991   byte state = GB(p1, 8, 2);
    00992
    00993   if (scheme >= LS_END || state >= 3 || colour == INVALID_COLOUR) return CMD_ERROR;
    00994
    00995   Company *c = Company::Get(_current_company);
    00996
    00997   /* Ensure no two companies have the same primary colour */
    00998   if (scheme == LS_DEFAULT && state == 0) {
    00999     const Company *cc;
    01000     FOR_ALL_COMPANIES(cc) {
    01001       if (cc != c && cc->colour == colour) return CMD_ERROR;
    01002     }
    01003   }
    01004
    01005   if (flags & DC_EXEC) {
    01006     switch (state) {
    01007       case 0:
    01008         c->livery[scheme].colour1 = colour;
    01009
    01010         /* If setting the first colour of the default scheme, adjust the
    01011          * original and cached company colours too. */
    01012         if (scheme == LS_DEFAULT) {
    01013           _company_colours[_current_company] = colour;
    01014           c->colour = colour;
    01015           CompanyAdminUpdate(c);
    01016         }
    01017         break;
    01018
    01019       case 1:
    01020         c->livery[scheme].colour2 = colour;
    01021         break;
    01022
    01023       case 2:
    01024         c->livery[scheme].in_use = colour != 0;
    01025
    01026         /* Now handle setting the default scheme's in_use flag.
    01027          * This is different to the other schemes, as it signifies if any
    01028          * scheme is active at all. If this flag is not set, then no
    01029          * processing of vehicle types occurs at all, and only the default
    01030          * colours will be used. */
    01031
    01032         /* If enabling a scheme, set the default scheme to be in use too */
    01033         if (colour != 0) {
    01034           c->livery[LS_DEFAULT].in_use = true;
    01035           break;
    01036         }
    01037
    01038         /* Else loop through all schemes to see if any are left enabled.
    01039          * If not, disable the default scheme too. */
    01040         c->livery[LS_DEFAULT].in_use = false;
    01041         for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
    01042           if (c->livery[scheme].in_use) {
    01043             c->livery[LS_DEFAULT].in_use = true;
    01044             break;
    01045           }
    01046         }
    01047         break;
    01048
    01049       default:
    01050         break;
    01051     }
    01052     ResetVehicleColourMap();
    01053     MarkWholeScreenDirty();
    01054
    01055     /* All graph related to companies use the company colour. */
    01056     InvalidateWindowData(WC_INCOME_GRAPH, 0);
    01057     InvalidateWindowData(WC_OPERATING_PROFIT, 0);
    01058     InvalidateWindowData(WC_DELIVERED_CARGO, 0);
    01059     InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
    01060     InvalidateWindowData(WC_COMPANY_VALUE, 0);
    01061     InvalidateWindowData(WC_LINKGRAPH_LEGEND, 0);
    01062     /* The smallmap owner view also stores the company colours. */
    01063     BuildOwnerLegend();
    01064     InvalidateWindowData(WC_SMALLMAP, 0, 1);
    01065
    01066     /* Company colour data is indirectly cached. */
    01067     Vehicle *v;
    01068     FOR_ALL_VEHICLES(v) {
    01069       if (v->owner == _current_company) v->InvalidateNewGRFCache();
    01070     }
    01071
    01072     extern void UpdateObjectColours(const Company *c);
    01073     UpdateObjectColours(c);
    01074   }
    01075   return CommandCost();
    01076 }
    01077
    01083 static bool IsUniqueCompanyName(const char *name)
    01084 {
    01085   const Company *c;
    01086
    01087   FOR_ALL_COMPANIES(c) {
    01088     if (c->name != NULL && strcmp(c->name, name) == 0) return false;
    01089   }
    01090
    01091   return true;
    01092 }
    01093
    01103 CommandCost CmdRenameCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01104 {
    01105   bool reset = StrEmpty(text);
    01106
    01107   if (!reset) {
    01108     if (Utf8StringLength(text) >= MAX_LENGTH_COMPANY_NAME_CHARS) return CMD_ERROR;
    01109     if (!IsUniqueCompanyName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01110   }
    01111
    01112   if (flags & DC_EXEC) {
    01113     Company *c = Company::Get(_current_company);
    01114     free(c->name);
    01115     c->name = reset ? NULL : strdup(text);
    01116     MarkWholeScreenDirty();
    01117     CompanyAdminUpdate(c);
    01118   }
    01119
    01120   return CommandCost();
    01121 }
    01122
    01128 static bool IsUniquePresidentName(const char *name)
    01129 {
    01130   const Company *c;
    01131
    01132   FOR_ALL_COMPANIES(c) {
    01133     if (c->president_name != NULL && strcmp(c->president_name, name) == 0) return false;
    01134   }
    01135
    01136   return true;
    01137 }
    01138
    01148 CommandCost CmdRenamePresident(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01149 {
    01150   bool reset = StrEmpty(text);
    01151
    01152   if (!reset) {
    01153     if (Utf8StringLength(text) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) return CMD_ERROR;
    01154     if (!IsUniquePresidentName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
    01155   }
    01156
    01157   if (flags & DC_EXEC) {
    01158     Company *c = Company::Get(_current_company);
    01159     free(c->president_name);
    01160
    01161     if (reset) {
    01162       c->president_name = NULL;
    01163     } else {
    01164       c->president_name = strdup(text);
    01165
    01166       if (c->name_1 == STR_SV_UNNAMED && c->name == NULL) {
    01167         char buf[80];
    01168
    01169         snprintf(buf, lengthof(buf), "%s Transport", text);
    01170         DoCommand(0, 0, 0, DC_EXEC, CMD_RENAME_COMPANY, buf);
    01171       }
    01172     }
    01173
    01174     MarkWholeScreenDirty();
    01175     CompanyAdminUpdate(c);
    01176   }
    01177
    01178   return CommandCost();
    01179 }
    01180
    01187 int CompanyServiceInterval(const Company *c, VehicleType type)
    01188 {
    01189   const VehicleDefaultSettings *vds = (c == NULL) ? &_settings_client.company.vehicle : &c->settings.vehicle;
    01190   switch (type) {
    01191     default: NOT_REACHED();
    01192     case VEH_TRAIN:    return vds->servint_trains;
    01193     case VEH_ROAD:     return vds->servint_roadveh;
    01194     case VEH_AIRCRAFT: return vds->servint_aircraft;
    01195     case VEH_SHIP:     return vds->servint_ships;
    01196   }
    01197 }