# company_cmd.cpp

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    00001 /* $Id: company_cmd.cpp 17629 2009-09-24 19:22:32Z rubidium $ */
    00002
    00005 #include "stdafx.h"
    00006 #include "openttd.h"
    00007 #include "engine_base.h"
    00008 #include "company_func.h"
    00009 #include "company_gui.h"
    00010 #include "town.h"
    00011 #include "news_func.h"
    00012 #include "command_func.h"
    00013 #include "network/network.h"
    00014 #include "network/network_func.h"
    00015 #include "network/network_base.h"
    00016 #include "ai/ai.hpp"
    00017 #include "company_manager_face.h"
    00018 #include "group.h"
    00019 #include "window_func.h"
    00020 #include "tile_map.h"
    00021 #include "strings_func.h"
    00022 #include "gfx_func.h"
    00023 #include "date_func.h"
    00024 #include "sound_func.h"
    00025 #include "autoreplace_func.h"
    00026 #include "autoreplace_gui.h"
    00027 #include "string_func.h"
    00028 #include "road_func.h"
    00029 #include "rail.h"
    00030 #include "sprite.h"
    00031 #include "oldpool_func.h"
    00032
    00033 #include "table/strings.h"
    00034
    00035 CompanyByte _local_company;
    00036 CompanyByte _current_company;
    00037 /* NOSAVE: can be determined from company structs */
    00038 Colours _company_colours[MAX_COMPANIES];
    00039 CompanyManagerFace _company_manager_face;
    00040 uint _next_competitor_start;
    00041 uint _cur_company_tick_index;
    00042
    00043 DEFINE_OLD_POOL_GENERIC(Company, Company)
    00044
    00045 Company::Company(uint16 name_1, bool is_ai) :
    00046   name_1(name_1),
    00047   location_of_HQ(INVALID_TILE),
    00048   is_ai(is_ai)
    00049 {
    00050   for (uint j = 0; j < 4; j++) this->share_owners[j] = COMPANY_SPECTATOR;
    00051 }
    00052
    00053 Company::~Company()
    00054 {
    00055   free(this->name);
    00056   free(this->president_name);
    00057   free(this->num_engines);
    00058
    00059   if (CleaningPool()) return;
    00060
    00061   DeleteCompanyWindows(this->index);
    00062
    00063   /* Zero the memory of the company; we might 'reuse' it later on.
    00064    * This is more a hack than a proper fix, but... it's already
    00065    * fixed in trunk by the new pool system and this is the only
    00066    * troublesome case in 0.7, so we'll leave it at this fix. */
    00067   CompanyID id = this->index;
    00068   memset(this, 0, sizeof(*this));
    00069   this->index = id;
    00070 }
    00071
    00078 void SetLocalCompany(CompanyID new_company)
    00079 {
    00080   /* company could also be COMPANY_SPECTATOR or OWNER_NONE */
    00081   assert(IsValidCompanyID(new_company) || new_company == COMPANY_SPECTATOR || new_company == OWNER_NONE);
    00082
    00083   _local_company = new_company;
    00084
    00085   /* Do not update the settings if we are in the intro GUI */
    00086   if (IsValidCompanyID(new_company) && _game_mode != GM_MENU) {
    00087     const Company *c = GetCompany(new_company);
    00088     _settings_client.gui.autorenew        = c->engine_renew;
    00089     _settings_client.gui.autorenew_months = c->engine_renew_months;
    00090     _settings_client.gui.autorenew_money  = c->engine_renew_money;
    00091     InvalidateWindow(WC_GAME_OPTIONS, 0);
    00092   }
    00093
    00094   /* Delete any construction windows... */
    00095   DeleteConstructionWindows();
    00096
    00097   /* ... and redraw the whole screen. */
    00098   MarkWholeScreenDirty();
    00099 }
    00100
    00101 bool IsHumanCompany(CompanyID company)
    00102 {
    00103   return !GetCompany(company)->is_ai;
    00104 }
    00105
    00106
    00107 uint16 GetDrawStringCompanyColour(CompanyID company)
    00108 {
    00109   /* Get the colour for DrawString-subroutines which matches the colour
    00110    * of the company */
    00111   if (!IsValidCompanyID(company)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOUR;
    00112   return (_colour_gradient[_company_colours[company]][4]) | IS_PALETTE_COLOUR;
    00113 }
    00114
    00115 void DrawCompanyIcon(CompanyID c, int x, int y)
    00116 {
    00117   DrawSprite(SPR_PLAYER_ICON, COMPANY_SPRITE_COLOUR(c), x, y);
    00118 }
    00119
    00126 bool IsValidCompanyManagerFace(CompanyManagerFace cmf)
    00127 {
    00128   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_GEN_ETHN, GE_WM)) return false;
    00129
    00130   GenderEthnicity ge   = (GenderEthnicity)GetCompanyManagerFaceBits(cmf, CMFV_GEN_ETHN, GE_WM);
    00131   bool has_moustache   = !HasBit(ge, GENDER_FEMALE) && GetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE,   ge) != 0;
    00132   bool has_tie_earring = !HasBit(ge, GENDER_FEMALE) || GetCompanyManagerFaceBits(cmf, CMFV_HAS_TIE_EARRING, ge) != 0;
    00133   bool has_glasses     = GetCompanyManagerFaceBits(cmf, CMFV_HAS_GLASSES, ge) != 0;
    00134
    00135   if (!AreCompanyManagerFaceBitsValid(cmf, CMFV_EYE_COLOUR, ge)) return false;
    00136   for (CompanyManagerFaceVariable cmfv = CMFV_CHEEKS; cmfv < CMFV_END; cmfv++) {
    00137     switch (cmfv) {
    00138       case CMFV_MOUSTACHE:   if (!has_moustache)   continue; break;
    00139       case CMFV_LIPS:        // FALL THROUGH
    00140       case CMFV_NOSE:        if (has_moustache)    continue; break;
    00141       case CMFV_TIE_EARRING: if (!has_tie_earring) continue; break;
    00142       case CMFV_GLASSES:     if (!has_glasses)     continue; break;
    00143       default: break;
    00144     }
    00145     if (!AreCompanyManagerFaceBitsValid(cmf, cmfv, ge)) return false;
    00146   }
    00147
    00148   return true;
    00149 }
    00150
    00151 void InvalidateCompanyWindows(const Company *company)
    00152 {
    00153   CompanyID cid = company->index;
    00154
    00155   if (cid == _local_company) InvalidateWindow(WC_STATUS_BAR, 0);
    00156   InvalidateWindow(WC_FINANCES, cid);
    00157 }
    00158
    00159 bool CheckCompanyHasMoney(CommandCost cost)
    00160 {
    00161   if (cost.GetCost() > 0) {
    00162     CompanyID company = _current_company;
    00163     if (IsValidCompanyID(company) && cost.GetCost() > GetCompany(company)->money) {
    00164       SetDParam(0, cost.GetCost());
    00165       _error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;
    00166       return false;
    00167     }
    00168   }
    00169   return true;
    00170 }
    00171
    00172 static void SubtractMoneyFromAnyCompany(Company *c, CommandCost cost)
    00173 {
    00174   if (cost.GetCost() == 0) return;
    00175   assert(cost.GetExpensesType() != INVALID_EXPENSES);
    00176
    00177   c->money -= cost.GetCost();
    00178   c->yearly_expenses[0][cost.GetExpensesType()] += cost.GetCost();
    00179
    00180   if (HasBit(1 << EXPENSES_TRAIN_INC    |
    00181              1 << EXPENSES_ROADVEH_INC  |
    00182              1 << EXPENSES_AIRCRAFT_INC |
    00183              1 << EXPENSES_SHIP_INC, cost.GetExpensesType())) {
    00184     c->cur_economy.income -= cost.GetCost();
    00185   } else if (HasBit(1 << EXPENSES_TRAIN_RUN    |
    00186                     1 << EXPENSES_ROADVEH_RUN  |
    00187                     1 << EXPENSES_AIRCRAFT_RUN |
    00188                     1 << EXPENSES_SHIP_RUN     |
    00189                     1 << EXPENSES_PROPERTY     |
    00190                     1 << EXPENSES_LOAN_INT, cost.GetExpensesType())) {
    00191     c->cur_economy.expenses -= cost.GetCost();
    00192   }
    00193
    00194   InvalidateCompanyWindows(c);
    00195 }
    00196
    00197 void SubtractMoneyFromCompany(CommandCost cost)
    00198 {
    00199   CompanyID cid = _current_company;
    00200
    00201   if (IsValidCompanyID(cid)) SubtractMoneyFromAnyCompany(GetCompany(cid), cost);
    00202 }
    00203
    00204 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cst)
    00205 {
    00206   Company *c = GetCompany(company);
    00207   byte m = c->money_fraction;
    00208   Money cost = cst.GetCost();
    00209
    00210   c->money_fraction = m - (byte)cost;
    00211   cost >>= 8;
    00212   if (c->money_fraction > m) cost++;
    00213   if (cost != 0) SubtractMoneyFromAnyCompany(c, CommandCost(cst.GetExpensesType(), cost));
    00214 }
    00215
    00216 void GetNameOfOwner(Owner owner, TileIndex tile)
    00217 {
    00218   SetDParam(2, owner);
    00219
    00220   if (owner != OWNER_TOWN) {
    00221     if (!IsValidCompanyID(owner)) {
    00222       SetDParam(0, STR_0150_SOMEONE);
    00223     } else {
    00224       SetDParam(0, STR_COMPANY_NAME);
    00225       SetDParam(1, owner);
    00226     }
    00227   } else {
    00228     const Town *t = ClosestTownFromTile(tile, UINT_MAX);
    00229
    00230     SetDParam(0, STR_TOWN);
    00231     SetDParam(1, t->index);
    00232   }
    00233 }
    00234
    00235
    00236 bool CheckOwnership(Owner owner)
    00237 {
    00238   assert(owner < OWNER_END);
    00239
    00240   if (owner == _current_company) return true;
    00241   _error_message = STR_013B_OWNED_BY;
    00242   GetNameOfOwner(owner, 0);
    00243   return false;
    00244 }
    00245
    00246 bool CheckTileOwnership(TileIndex tile)
    00247 {
    00248   Owner owner = GetTileOwner(tile);
    00249
    00250   assert(owner < OWNER_END);
    00251
    00252   if (owner == _current_company) return true;
    00253   _error_message = STR_013B_OWNED_BY;
    00254
    00255   /* no need to get the name of the owner unless we're the local company (saves some time) */
    00256   if (IsLocalCompany()) GetNameOfOwner(owner, tile);
    00257   return false;
    00258 }
    00259
    00260 static void GenerateCompanyName(Company *c)
    00261 {
    00262   TileIndex tile;
    00263   Town *t;
    00264   StringID str;
    00265   Company *cc;
    00266   uint32 strp;
    00267   /* Reserve space for extra unicode character. We need to do this to be able
    00268    * to detect too long company name. */
    00269   char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
    00270
    00271   if (c->name_1 != STR_SV_UNNAMED) return;
    00272
    00273   tile = c->last_build_coordinate;
    00274   if (tile == 0) return;
    00275
    00276   t = ClosestTownFromTile(tile, UINT_MAX);
    00277
    00278   if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
    00279     str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
    00280     strp = t->townnameparts;
    00281
    00282 verify_name:;
    00283     /* No companies must have this name already */
    00284     FOR_ALL_COMPANIES(cc) {
    00285       if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
    00286     }
    00287
    00288     GetString(buffer, str, lastof(buffer));
    00289     if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
    00290
    00291 set_name:;
    00292     c->name_1 = str;
    00293     c->name_2 = strp;
    00294
    00295     MarkWholeScreenDirty();
    00296
    00297     if (!IsHumanCompany(c->index)) {
    00298       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00299       cni->FillData(c);
    00300       SetDParam(0, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED);
    00301       SetDParam(1, STR_705F_STARTS_CONSTRUCTION_NEAR);
    00302       SetDParamStr(2, cni->company_name);
    00303       SetDParam(3, t->index);
    00304       AddNewsItem(STR_02B6, NS_COMPANY_NEW, c->last_build_coordinate, 0, cni);
    00305     }
    00306     AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
    00307     return;
    00308   }
    00309 bad_town_name:;
    00310
    00311   if (c->president_name_1 == SPECSTR_PRESIDENT_NAME) {
    00312     str = SPECSTR_ANDCO_NAME;
    00313     strp = c->president_name_2;
    00314     goto set_name;
    00315   } else {
    00316     str = SPECSTR_ANDCO_NAME;
    00317     strp = Random();
    00318     goto verify_name;
    00319   }
    00320 }
    00321
    00322 static const byte _colour_sort[COLOUR_END] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
    00323 static const Colours _similar_colour[COLOUR_END][2] = {
    00324   { COLOUR_BLUE,       COLOUR_LIGHT_BLUE }, // COLOUR_DARK_BLUE
    00325   { COLOUR_GREEN,      COLOUR_DARK_GREEN }, // COLOUR_PALE_GREEN
    00326   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_PINK
    00327   { COLOUR_ORANGE,     INVALID_COLOUR    }, // COLOUR_YELLOW
    00328   { INVALID_COLOUR,    INVALID_COLOUR    }, // COLOUR_RED
    00329   { COLOUR_DARK_BLUE,  COLOUR_BLUE       }, // COLOUR_LIGHT_BLUE
    00330   { COLOUR_PALE_GREEN, COLOUR_DARK_GREEN }, // COLOUR_GREEN
    00331   { COLOUR_PALE_GREEN, COLOUR_GREEN      }, // COLOUR_DARK_GREEN
    00332   { COLOUR_DARK_BLUE,  COLOUR_LIGHT_BLUE }, // COLOUR_BLUE
    00333   { COLOUR_BROWN,      COLOUR_ORANGE     }, // COLOUR_CREAM
    00334   { COLOUR_PURPLE,     INVALID_COLOUR    }, // COLOUR_MAUVE
    00335   { COLOUR_MAUVE,      INVALID_COLOUR    }, // COLOUR_PURPLE
    00336   { COLOUR_YELLOW,     COLOUR_CREAM      }, // COLOUR_ORANGE
    00337   { COLOUR_CREAM,      INVALID_COLOUR    }, // COLOUR_BROWN
    00338   { COLOUR_WHITE,      INVALID_COLOUR    }, // COLOUR_GREY
    00339   { COLOUR_GREY,       INVALID_COLOUR    }, // COLOUR_WHITE
    00340 };
    00341
    00342 static Colours GenerateCompanyColour()
    00343 {
    00344   Colours colours[COLOUR_END];
    00345
    00346   /* Initialize array */
    00347   for (uint i = 0; i < COLOUR_END; i++) colours[i] = (Colours)i;
    00348
    00349   /* And randomize it */
    00350   for (uint i = 0; i < 100; i++) {
    00351     uint r = Random();
    00352     Swap(colours[GB(r, 0, 4)], colours[GB(r, 4, 4)]);
    00353   }
    00354
    00355   /* Bubble sort it according to the values in table 1 */
    00356   for (uint i = 0; i < COLOUR_END; i++) {
    00357     for (uint j = 1; j < COLOUR_END; j++) {
    00358       if (_colour_sort[colours[j - 1]] < _colour_sort[colours[j]]) {
    00359         Swap(colours[j - 1], colours[j]);
    00360       }
    00361     }
    00362   };
    00363
    00364   /* Move the colours that look similar to each company's colour to the side */
    00365   Company *c;
    00366   FOR_ALL_COMPANIES(c) {
    00367     Colours pcolour = (Colours)c->colour;
    00368
    00369     for (uint i = 0; i < COLOUR_END; i++) {
    00370       if (colours[i] == pcolour) {
    00371         colours[i] = INVALID_COLOUR;
    00372         break;
    00373       }
    00374     }
    00375
    00376     for (uint j = 0; j < 2; j++) {
    00377       Colours similar = _similar_colour[pcolour][j];
    00378       if (similar == INVALID_COLOUR) break;
    00379
    00380       for (uint i = 1; i < COLOUR_END; i++) {
    00381         if (colours[i - 1] == similar) Swap(colours[i - 1], colours[i]);
    00382       }
    00383     }
    00384   }
    00385
    00386   /* Return the first available colour */
    00387   for (uint i = 0; i < COLOUR_END; i++) {
    00388     if (colours[i] != INVALID_COLOUR) return colours[i];
    00389   }
    00390
    00391   NOT_REACHED();
    00392 }
    00393
    00394 static void GeneratePresidentName(Company *c)
    00395 {
    00396   for (;;) {
    00397 restart:;
    00398     c->president_name_2 = Random();
    00399     c->president_name_1 = SPECSTR_PRESIDENT_NAME;
    00400
    00401     /* Reserve space for extra unicode character. We need to do this to be able
    00402      * to detect too long president name. */
    00403     char buffer[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00404     SetDParam(0, c->index);
    00405     GetString(buffer, STR_PRESIDENT_NAME, lastof(buffer));
    00406     if (strlen(buffer) >= MAX_LENGTH_PRESIDENT_NAME_BYTES) continue;
    00407
    00408     Company *cc;
    00409     FOR_ALL_COMPANIES(cc) {
    00410       if (c != cc) {
    00411         /* Reserve extra space so even overlength president names can be compared. */
    00412         char buffer2[MAX_LENGTH_PRESIDENT_NAME_BYTES + MAX_CHAR_LENGTH];
    00413         SetDParam(0, cc->index);
    00414         GetString(buffer2, STR_PRESIDENT_NAME, lastof(buffer2));
    00415         if (strcmp(buffer2, buffer) == 0) goto restart;
    00416       }
    00417     }
    00418     return;
    00419   }
    00420 }
    00421
    00422 void ResetCompanyLivery(Company *c)
    00423 {
    00424   for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {
    00425     c->livery[scheme].in_use  = false;
    00426     c->livery[scheme].colour1 = c->colour;
    00427     c->livery[scheme].colour2 = c->colour;
    00428   }
    00429 }
    00430
    00438 Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
    00439 {
    00440   if (ActiveCompanyCount() == MAX_COMPANIES || !Company::CanAllocateItem()) return NULL;
    00441
    00442   /* we have to generate colour before this company is valid */
    00443   Colours colour = GenerateCompanyColour();
    00444
    00445   Company *c;
    00446   if (company == INVALID_COMPANY) {
    00447     c = new Company(STR_SV_UNNAMED, is_ai);
    00448   } else {
    00449     if (IsValidCompanyID(company)) return NULL;
    00450     c = new (company) Company(STR_SV_UNNAMED, is_ai);
    00451   }
    00452
    00453   c->colour = colour;
    00454
    00455   ResetCompanyLivery(c);
    00456   _company_colours[c->index] = (Colours)c->colour;
    00457
    00458   c->money = c->current_loan = 100000;
    00459
    00460   c->share_owners[0] = c->share_owners[1] = c->share_owners[2] = c->share_owners[3] = INVALID_OWNER;
    00461
    00462   c->avail_railtypes = GetCompanyRailtypes(c->index);
    00463   c->avail_roadtypes = GetCompanyRoadtypes(c->index);
    00464   c->inaugurated_year = _cur_year;
    00465   RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false); // create a random company manager face
    00466
    00467   /* Settings for non-ai companies are copied from the client settings later. */
    00468   if (is_ai) {
    00469     c->engine_renew_money = 100000;
    00470     c->engine_renew_months = 6;
    00471   }
    00472
    00473   GeneratePresidentName(c);
    00474
    00475   InvalidateWindow(WC_GRAPH_LEGEND, 0);
    00476   InvalidateWindow(WC_TOOLBAR_MENU, 0);
    00477   InvalidateWindow(WC_CLIENT_LIST, 0);
    00478
    00479   if (is_ai && (!_networking || _network_server)) AI::StartNew(c->index);
    00480
    00481   c->num_engines = CallocT<uint16>(GetEnginePoolSize());
    00482
    00483   return c;
    00484 }
    00485
    00486 void StartupCompanies()
    00487 {
    00488   _next_competitor_start = 0;
    00489 }
    00490
    00491 static void MaybeStartNewCompany()
    00492 {
    00493 #ifdef ENABLE_NETWORK
    00494   if (_networking && ActiveCompanyCount() >= _settings_client.network.max_companies) return;
    00495 #endif /* ENABLE_NETWORK */
    00496
    00497   Company *c;
    00498
    00499   /* count number of competitors */
    00500   uint n = 0;
    00501   FOR_ALL_COMPANIES(c) {
    00502     if (c->is_ai) n++;
    00503   }
    00504
    00505   if (n < (uint)_settings_game.difficulty.max_no_competitors) {
    00506     /* Send a command to all clients to start up a new AI.
    00507      * Works fine for Multiplayer and Singleplayer */
    00508     DoCommandP(0, 1, INVALID_COMPANY, CMD_COMPANY_CTRL);
    00509   }
    00510 }
    00511
    00512 void InitializeCompanies()
    00513 {
    00514   _Company_pool.CleanPool();
    00515   _Company_pool.AddBlockToPool();
    00516   _cur_company_tick_index = 0;
    00517 }
    00518
    00519 void OnTick_Companies()
    00520 {
    00521   if (_game_mode == GM_EDITOR) return;
    00522
    00523   if (IsValidCompanyID((CompanyID)_cur_company_tick_index)) {
    00524     Company *c = GetCompany((CompanyID)_cur_company_tick_index);
    00525     if (c->name_1 != 0) GenerateCompanyName(c);
    00526   }
    00527
    00528   if (_next_competitor_start == 0) {
    00529     _next_competitor_start = AI::GetStartNextTime() * DAY_TICKS;
    00530   }
    00531
    00532   if (AI::CanStartNew() && _game_mode != GM_MENU && --_next_competitor_start == 0) {
    00533     MaybeStartNewCompany();
    00534   }
    00535
    00536   _cur_company_tick_index = (_cur_company_tick_index + 1) % MAX_COMPANIES;
    00537 }
    00538
    00539 void CompaniesYearlyLoop()
    00540 {
    00541   Company *c;
    00542
    00543   /* Copy statistics */
    00544   FOR_ALL_COMPANIES(c) {
    00545     memmove(&c->yearly_expenses[1], &c->yearly_expenses[0], sizeof(c->yearly_expenses) - sizeof(c->yearly_expenses[0]));
    00546     memset(&c->yearly_expenses[0], 0, sizeof(c->yearly_expenses[0]));
    00547     InvalidateWindow(WC_FINANCES, c->index);
    00548   }
    00549
    00550   if (_settings_client.gui.show_finances && _local_company != COMPANY_SPECTATOR) {
    00551     ShowCompanyFinances(_local_company);
    00552     c = GetCompany(_local_company);
    00553     if (c->num_valid_stat_ent > 5 && c->old_economy[0].performance_history < c->old_economy[4].performance_history) {
    00554       SndPlayFx(SND_01_BAD_YEAR);
    00555     } else {
    00556       SndPlayFx(SND_00_GOOD_YEAR);
    00557     }
    00558   }
    00559 }
    00560
    00589 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00590 {
    00591   if (!IsValidCompanyID(_current_company)) return CMD_ERROR;
    00592
    00593   Company *c = GetCompany(_current_company);
    00594   switch (GB(p1, 0, 3)) {
    00595     case 0:
    00596       if (c->engine_renew == HasBit(p2, 0)) return CMD_ERROR;
    00597
    00598       if (flags & DC_EXEC) {
    00599         c->engine_renew = HasBit(p2, 0);
    00600         if (IsLocalCompany()) {
    00601           _settings_client.gui.autorenew = c->engine_renew;
    00602           InvalidateWindow(WC_GAME_OPTIONS, 0);
    00603         }
    00604       }
    00605       break;
    00606
    00607     case 1:
    00608       if (Clamp((int16)p2, -12, 12) != (int16)p2) return CMD_ERROR;
    00609       if (c->engine_renew_months == (int16)p2) return CMD_ERROR;
    00610
    00611       if (flags & DC_EXEC) {
    00612         c->engine_renew_months = (int16)p2;
    00613         if (IsLocalCompany()) {
    00614           _settings_client.gui.autorenew_months = c->engine_renew_months;
    00615           InvalidateWindow(WC_GAME_OPTIONS, 0);
    00616         }
    00617       }
    00618       break;
    00619
    00620     case 2:
    00621       if (ClampU(p2, 0, 2000000) != p2) return CMD_ERROR;
    00622       if (c->engine_renew_money == p2) return CMD_ERROR;
    00623
    00624       if (flags & DC_EXEC) {
    00625         c->engine_renew_money = p2;
    00626         if (IsLocalCompany()) {
    00627           _settings_client.gui.autorenew_money = c->engine_renew_money;
    00628           InvalidateWindow(WC_GAME_OPTIONS, 0);
    00629         }
    00630       }
    00631       break;
    00632
    00633     case 3: {
    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 (!IsValidGroupID(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
    00653     case 4:
    00654       if (Clamp((int16)GB(p1, 16, 16), -12, 12) != (int16)GB(p1, 16, 16)) return CMD_ERROR;
    00655       if (ClampU(p2, 0, 2000000) != p2) return CMD_ERROR;
    00656
    00657       if (flags & DC_EXEC) {
    00658         c->engine_renew = HasBit(p1, 15);
    00659         c->engine_renew_months = (int16)GB(p1, 16, 16);
    00660         c->engine_renew_money = p2;
    00661
    00662         if (IsLocalCompany()) {
    00663           _settings_client.gui.autorenew = c->engine_renew;
    00664           _settings_client.gui.autorenew_months = c->engine_renew_months;
    00665           _settings_client.gui.autorenew_money = c->engine_renew_money;
    00666           InvalidateWindow(WC_GAME_OPTIONS, 0);
    00667         }
    00668       }
    00669       break;
    00670
    00671     case 5:
    00672       if (c->renew_keep_length == HasBit(p2, 0)) return CMD_ERROR;
    00673
    00674       if (flags & DC_EXEC) {
    00675         c->renew_keep_length = HasBit(p2, 0);
    00676         if (IsLocalCompany()) {
    00677           InvalidateWindow(WC_REPLACE_VEHICLE, VEH_TRAIN);
    00678         }
    00679       }
    00680     break;
    00681   }
    00682
    00683   return CommandCost();
    00684 }
    00685
    00691 void CompanyNewsInformation::FillData(const Company *c, const Company *other)
    00692 {
    00693   SetDParam(0, c->index);
    00694   GetString(this->company_name, STR_COMPANY_NAME, lastof(this->company_name));
    00695
    00696   if (other == NULL) {
    00697     *this->other_company_name = '\0';
    00698   } else {
    00699     SetDParam(0, other->index);
    00700     GetString(this->other_company_name, STR_COMPANY_NAME, lastof(this->other_company_name));
    00701     c = other;
    00702   }
    00703
    00704   SetDParam(0, c->index);
    00705   GetString(this->president_name, STR_7058_PRESIDENT, lastof(this->president_name));
    00706
    00707   this->colour = c->colour;
    00708   this->face = c->face;
    00709
    00710 }
    00711
    00733 CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00734 {
    00735   if (flags & DC_EXEC) _current_company = OWNER_NONE;
    00736
    00737   InvalidateWindowData(WC_COMPANY_LEAGUE, 0, 0);
    00738
    00739   switch (p1) {
    00740     case 0: { // Create a new company
    00741       /* This command is only executed in a multiplayer game */
    00742       if (!_networking) return CMD_ERROR;
    00743
    00744 #ifdef ENABLE_NETWORK
    00745
    00746       /* Joining Client:
    00747        * _local_company: COMPANY_SPECTATOR
    00748        * _network_playas/cid = requested company/clientid
    00749        *
    00750        * Other client(s)/server:
    00751        * _local_company/_network_playas: what they play as
    00752        * cid = requested company/company of joining client */
    00753       ClientID cid = (ClientID)p2;
    00754
    00755       /* Has the network client a correct ClientIndex? */
    00756       if (!(flags & DC_EXEC)) return CommandCost();
    00757       NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(cid);
    00758       if (ci == NULL) return CommandCost();
    00759
    00760       /* Delete multiplayer progress bar */
    00761       DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
    00762
    00763       Company *c = DoStartupNewCompany(false);
    00764
    00765       /* A new company could not be created, revert to being a spectator */
    00766       if (c == NULL) {
    00767         if (_network_server) {
    00768           ci->client_playas = COMPANY_SPECTATOR;
    00769           NetworkUpdateClientInfo(ci->client_id);
    00770         } else if (_local_company == COMPANY_SPECTATOR) {
    00771           _network_playas = COMPANY_SPECTATOR;
    00772         }
    00773         break;
    00774       }
    00775
    00776       /* This is the client (or non-dedicated server) who wants a new company */
    00777       if (cid == _network_own_client_id) {
    00778         /* Create p1 and p2 here because SetLocalCompany resets the gui.autorenew* settings. */
    00779         uint32 p1 = (_settings_client.gui.autorenew << 15 ) | (_settings_client.gui.autorenew_months << 16) | 4;
    00780         uint32 p2 = _settings_client.gui.autorenew_money;
    00781         assert(_local_company == COMPANY_SPECTATOR);
    00782         SetLocalCompany(c->index);
    00783         if (!StrEmpty(_settings_client.network.default_company_pass)) {
    00784           char *password = _settings_client.network.default_company_pass;
    00785           NetworkChangeCompanyPassword(1, &password);
    00786         }
    00787
    00788         _current_company = _local_company;
    00789
    00790         /* Now that we have a new company, broadcast our autorenew settings to
    00791          * all clients so everything is in sync */
    00792         NetworkSend_Command(0, p1, p2, CMD_SET_AUTOREPLACE, NULL, NULL);
    00793
    00794         MarkWholeScreenDirty();
    00795       }
    00796
    00797       if (_network_server) {
    00798         /* XXX - UGLY! p2 (pid) is mis-used to fetch the client-id, done at
    00799          * server side in network_server.c:838, function
    00800          * DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND) */
    00801         CompanyID old_playas = ci->client_playas;
    00802         ci->client_playas = c->index;
    00803         NetworkUpdateClientInfo(ci->client_id);
    00804
    00805         if (IsValidCompanyID(ci->client_playas)) {
    00806           CompanyID company_backup = _local_company;
    00807           _network_company_states[c->index].months_empty = 0;
    00808           _network_company_states[c->index].password[0] = '\0';
    00809           NetworkServerUpdateCompanyPassworded(ci->client_playas, false);
    00810
    00811           /* XXX - When a client joins, we automatically set its name to the
    00812            * client's name (for some reason). As it stands now only the server
    00813            * knows the client's name, so it needs to send out a "broadcast" to
    00814            * do this. To achieve this we send a network command. However, it
    00815            * uses _local_company to execute the command as.  To prevent abuse
    00816            * (eg. only yourself can change your name/company), we 'cheat' by
    00817            * impersonation _local_company as the server. Not the best solution;
    00818            * but it works.
    00819            * TODO: Perhaps this could be improved by when the client is ready
    00820            * with joining to let it send itself the command, and not the server?
    00821            * For example in network_client.c:534? */
    00822           _local_company = ci->client_playas;
    00823           NetworkSend_Command(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, ci->client_name);
    00824           _local_company = company_backup;
    00825         }
    00826
    00827         /* Announce new company on network, if the client was a SPECTATOR before */
    00828         if (old_playas == COMPANY_SPECTATOR) {
    00829           NetworkServerSendChat(NETWORK_ACTION_COMPANY_NEW, DESTTYPE_BROADCAST, 0, "", ci->client_id, ci->client_playas + 1);
    00830         }
    00831       }
    00832 #endif /* ENABLE_NETWORK */
    00833     } break;
    00834
    00835     case 1: // Make a new AI company
    00836       if (!(flags & DC_EXEC)) return CommandCost();
    00837
    00838       if (p2 != INVALID_COMPANY && (p2 >= MAX_COMPANIES || IsValidCompanyID((CompanyID)p2))) return CMD_ERROR;
    00839       DoStartupNewCompany(true, (CompanyID)p2);
    00840       break;
    00841
    00842     case 2: { // Delete a company
    00843       Company *c;
    00844
    00845       if (!IsValidCompanyID((CompanyID)p2)) return CMD_ERROR;
    00846
    00847       if (!(flags & DC_EXEC)) return CommandCost();
    00848
    00849       c = GetCompany((CompanyID)p2);
    00850
    00851       /* Delete any open window of the company */
    00852       DeleteCompanyWindows(c->index);
    00853       CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
    00854       cni->FillData(c);
    00855
    00856       /* Show the bankrupt news */
    00857       SetDParam(0, STR_705C_BANKRUPT);
    00858       SetDParam(1, STR_705D_HAS_BEEN_CLOSED_DOWN_BY);
    00859       SetDParamStr(2, cni->company_name);
    00860       AddNewsItem(STR_02B6, NS_COMPANY_BANKRUPT, 0, 0, cni);
    00861
    00862       /* Remove the company */
    00863       ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
    00864       if (!IsHumanCompany(c->index)) AI::Stop(c->index);
    00865
    00866       CompanyID c_index = c->index;
    00867       delete c;
    00868       AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
    00869     } break;
    00870
    00871     case 3: { // Merge a company (#1) into another company (#2), elimination company #1
    00872       CompanyID cid_old = (CompanyID)GB(p2,  0, 16);
    00873       CompanyID cid_new = (CompanyID)GB(p2, 16, 16);
    00874
    00875       if (!IsValidCompanyID(cid_old) || !IsValidCompanyID(cid_new)) return CMD_ERROR;
    00876
    00877       if (!(flags & DC_EXEC)) return CMD_ERROR;
    00878
    00879       ChangeOwnershipOfCompanyItems(cid_old, cid_new);
    00880       delete GetCompany(cid_old);
    00881     } break;
    00882
    00883     default: return CMD_ERROR;
    00884   }
    00885
    00886   return CommandCost();
    00887 }