ai_company.cpp

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00001 /* $Id: ai_company.cpp 17693 2009-10-04 17:16:41Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "ai_company.hpp"
00013 #include "ai_error.hpp"
00014 #include "../../command_func.h"
00015 #include "../../company_func.h"
00016 #include "../../company_base.h"
00017 #include "../../company_manager_face.h"
00018 #include "../../economy_func.h"
00019 #include "../../strings_func.h"
00020 #include "../../tile_map.h"
00021 #include "../../string_func.h"
00022 #include "../../settings_func.h"
00023 #include "table/strings.h"
00024 
00025 /* static */ AICompany::CompanyID AICompany::ResolveCompanyID(AICompany::CompanyID company)
00026 {
00027   if (company == COMPANY_SELF) return (CompanyID)((byte)_current_company);
00028 
00029   return ::Company::IsValidID((::CompanyID)company) ? company : COMPANY_INVALID;
00030 }
00031 
00032 /* static */ bool AICompany::IsMine(AICompany::CompanyID company)
00033 {
00034   return ResolveCompanyID(company) == ResolveCompanyID(COMPANY_SELF);
00035 }
00036 
00037 /* static */ bool AICompany::SetName(const char *name)
00038 {
00039   EnforcePrecondition(false, !::StrEmpty(name));
00040   EnforcePreconditionCustomError(false, ::strlen(name) < MAX_LENGTH_COMPANY_NAME_BYTES, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
00041 
00042   return AIObject::DoCommand(0, 0, 0, CMD_RENAME_COMPANY, name);
00043 }
00044 
00045 /* static */ char *AICompany::GetName(AICompany::CompanyID company)
00046 {
00047   company = ResolveCompanyID(company);
00048   if (company == COMPANY_INVALID) return NULL;
00049 
00050   static const int len = 64;
00051   char *company_name = MallocT<char>(len);
00052 
00053 	::SetDParam(0, company);
00054   ::GetString(company_name, STR_COMPANY_NAME, &company_name[len - 1]);
00055   return company_name;
00056 }
00057 
00058 /* static */ bool AICompany::SetPresidentName(const char *name)
00059 {
00060   EnforcePrecondition(false, !::StrEmpty(name));
00061 
00062   return AIObject::DoCommand(0, 0, 0, CMD_RENAME_PRESIDENT, name);
00063 }
00064 
00065 /* static */ char *AICompany::GetPresidentName(AICompany::CompanyID company)
00066 {
00067   company = ResolveCompanyID(company);
00068 
00069   static const int len = 64;
00070   char *president_name = MallocT<char>(len);
00071   if (company != COMPANY_INVALID) {
00072 		::SetDParam(0, company);
00073     ::GetString(president_name, STR_PRESIDENT_NAME, &president_name[len - 1]);
00074   } else {
00075     *president_name = '\0';
00076   }
00077 
00078   return president_name;
00079 }
00080 
00081 /* static */ bool AICompany::SetPresidentGender(Gender gender)
00082 {
00083   EnforcePrecondition(false, gender == GENDER_MALE || gender == GENDER_FEMALE);
00084   EnforcePrecondition(false, GetPresidentGender(AICompany::COMPANY_SELF) != gender);
00085 
00086   CompanyManagerFace cmf;
00087   GenderEthnicity ge = (GenderEthnicity)((gender == GENDER_FEMALE ? (1 << ::GENDER_FEMALE) : 0) | (::InteractiveRandom() & (1 << ETHNICITY_BLACK)));
00088   RandomCompanyManagerFaceBits(cmf, ge, false);
00089 
00090   return AIObject::DoCommand(0, 0, cmf, CMD_SET_COMPANY_MANAGER_FACE);
00091 }
00092 
00093 /* static */ AICompany::Gender AICompany::GetPresidentGender(CompanyID company)
00094 {
00095   company = ResolveCompanyID(company);
00096   if (company == COMPANY_INVALID) return GENDER_INVALID;
00097 
00098   GenderEthnicity ge = (GenderEthnicity)GetCompanyManagerFaceBits(Company::Get(company)->face, CMFV_GEN_ETHN, GE_WM);
00099   return HasBit(ge, ::GENDER_FEMALE) ? GENDER_FEMALE : GENDER_MALE;
00100 }
00101 
00102 /* static */ Money AICompany::GetCompanyValue(AICompany::CompanyID company)
00103 {
00104   company = ResolveCompanyID(company);
00105   if (company == COMPANY_INVALID) return -1;
00106 
00107   return ::CalculateCompanyValue(::Company::Get((CompanyID)company));
00108 }
00109 
00110 /* static */ Money AICompany::GetBankBalance(AICompany::CompanyID company)
00111 {
00112   company = ResolveCompanyID(company);
00113   if (company == COMPANY_INVALID) return -1;
00114 
00115   return ::Company::Get((CompanyID)company)->money;
00116 }
00117 
00118 /* static */ Money AICompany::GetLoanAmount()
00119 {
00120   return ::Company::Get(_current_company)->current_loan;
00121 }
00122 
00123 /* static */ Money AICompany::GetMaxLoanAmount()
00124 {
00125   return _economy.max_loan;
00126 }
00127 
00128 /* static */ Money AICompany::GetLoanInterval()
00129 {
00130   return LOAN_INTERVAL;
00131 }
00132 
00133 /* static */ bool AICompany::SetLoanAmount(int32 loan)
00134 {
00135   EnforcePrecondition(false, loan >= 0);
00136   EnforcePrecondition(false, (loan % GetLoanInterval()) == 0);
00137   EnforcePrecondition(false, loan <= GetMaxLoanAmount());
00138   EnforcePrecondition(false, (loan - GetLoanAmount() + GetBankBalance(COMPANY_SELF)) >= 0);
00139 
00140   if (loan == GetLoanAmount()) return true;
00141 
00142   return AIObject::DoCommand(0,
00143       abs(loan - GetLoanAmount()), 2,
00144       (loan > GetLoanAmount()) ? CMD_INCREASE_LOAN : CMD_DECREASE_LOAN);
00145 }
00146 
00147 /* static */ bool AICompany::SetMinimumLoanAmount(int32 loan)
00148 {
00149   EnforcePrecondition(false, loan >= 0);
00150 
00151   int32 over_interval = loan % GetLoanInterval();
00152   if (over_interval != 0) loan += GetLoanInterval() - over_interval;
00153 
00154   EnforcePrecondition(false, loan <= GetMaxLoanAmount());
00155 
00156   SetLoanAmount(loan);
00157 
00158   return GetLoanAmount() == loan;
00159 }
00160 
00161 /* static */ bool AICompany::BuildCompanyHQ(TileIndex tile)
00162 {
00163   EnforcePrecondition(false, ::IsValidTile(tile));
00164 
00165   return AIObject::DoCommand(tile, 0, 0, CMD_BUILD_COMPANY_HQ);
00166 }
00167 
00168 /* static */ TileIndex AICompany::GetCompanyHQ(CompanyID company)
00169 {
00170   company = ResolveCompanyID(company);
00171   if (company == COMPANY_INVALID) return INVALID_TILE;
00172 
00173   TileIndex loc = ::Company::Get((CompanyID)company)->location_of_HQ;
00174   return (loc == 0) ? INVALID_TILE : loc;
00175 }
00176 
00177 /* static */ bool AICompany::SetAutoRenewStatus(bool autorenew)
00178 {
00179   return AIObject::DoCommand(0, ::GetCompanySettingIndex("company.engine_renew"), autorenew ? 1 : 0, CMD_CHANGE_COMPANY_SETTING);
00180 }
00181 
00182 /* static */ bool AICompany::GetAutoRenewStatus(CompanyID company)
00183 {
00184   company = ResolveCompanyID(company);
00185   if (company == COMPANY_INVALID) return false;
00186 
00187   return ::Company::Get((CompanyID)company)->settings.engine_renew;
00188 }
00189 
00190 /* static */ bool AICompany::SetAutoRenewMonths(int16 months)
00191 {
00192   return AIObject::DoCommand(0, ::GetCompanySettingIndex("company.engine_renew_months"), months, CMD_CHANGE_COMPANY_SETTING);
00193 }
00194 
00195 /* static */ int16 AICompany::GetAutoRenewMonths(CompanyID company)
00196 {
00197   company = ResolveCompanyID(company);
00198   if (company == COMPANY_INVALID) return 0;
00199 
00200   return ::Company::Get((CompanyID)company)->settings.engine_renew_months;
00201 }
00202 
00203 /* static */ bool AICompany::SetAutoRenewMoney(uint32 money)
00204 {
00205   return AIObject::DoCommand(0, ::GetCompanySettingIndex("company.engine_renew_money"), money, CMD_CHANGE_COMPANY_SETTING);
00206 }
00207 
00208 /* static */ uint32 AICompany::GetAutoRenewMoney(CompanyID company)
00209 {
00210   company = ResolveCompanyID(company);
00211   if (company == COMPANY_INVALID) return 0;
00212 
00213   return ::Company::Get((CompanyID)company)->settings.engine_renew_money;
00214 }

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