ai_company.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 "ai_company.hpp"
00014 #include "ai_error.hpp"
00015 #include "../../command_func.h"
00016 #include "../../company_func.h"
00017 #include "../../company_base.h"
00018 #include "../../company_manager_face.h"
00019 #include "../../economy_func.h"
00020 #include "../../object_type.h"
00021 #include "../../strings_func.h"
00022 #include "../../tile_map.h"
00023 #include "../../string_func.h"
00024 #include "../../settings_func.h"
00025 #include "table/strings.h"
00026 
00027 /* static */ AICompany::CompanyID AICompany::ResolveCompanyID(AICompany::CompanyID company)
00028 {
00029   if (company == COMPANY_SELF) return (CompanyID)((byte)_current_company);
00030 
00031   return ::Company::IsValidID((::CompanyID)company) ? company : COMPANY_INVALID;
00032 }
00033 
00034 /* static */ bool AICompany::IsMine(AICompany::CompanyID company)
00035 {
00036   return ResolveCompanyID(company) == ResolveCompanyID(COMPANY_SELF);
00037 }
00038 
00039 /* static */ bool AICompany::SetName(const char *name)
00040 {
00041   EnforcePrecondition(false, !::StrEmpty(name));
00042   EnforcePreconditionCustomError(false, ::Utf8StringLength(name) < MAX_LENGTH_COMPANY_NAME_CHARS, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
00043 
00044   return AIObject::DoCommand(0, 0, 0, CMD_RENAME_COMPANY, name);
00045 }
00046 
00047 /* static */ char *AICompany::GetName(AICompany::CompanyID company)
00048 {
00049   company = ResolveCompanyID(company);
00050   if (company == COMPANY_INVALID) return NULL;
00051 
00052   static const int len = 64;
00053   char *company_name = MallocT<char>(len);
00054 
00055 	::SetDParam(0, company);
00056   ::GetString(company_name, STR_COMPANY_NAME, &company_name[len - 1]);
00057   return company_name;
00058 }
00059 
00060 /* static */ bool AICompany::SetPresidentName(const char *name)
00061 {
00062   EnforcePrecondition(false, !::StrEmpty(name));
00063 
00064   return AIObject::DoCommand(0, 0, 0, CMD_RENAME_PRESIDENT, name);
00065 }
00066 
00067 /* static */ char *AICompany::GetPresidentName(AICompany::CompanyID company)
00068 {
00069   company = ResolveCompanyID(company);
00070 
00071   static const int len = 64;
00072   char *president_name = MallocT<char>(len);
00073   if (company != COMPANY_INVALID) {
00074 		::SetDParam(0, company);
00075     ::GetString(president_name, STR_PRESIDENT_NAME, &president_name[len - 1]);
00076   } else {
00077     *president_name = '\0';
00078   }
00079 
00080   return president_name;
00081 }
00082 
00083 /* static */ bool AICompany::SetPresidentGender(Gender gender)
00084 {
00085   EnforcePrecondition(false, gender == GENDER_MALE || gender == GENDER_FEMALE);
00086   EnforcePrecondition(false, GetPresidentGender(AICompany::COMPANY_SELF) != gender);
00087 
00088   CompanyManagerFace cmf;
00089   GenderEthnicity ge = (GenderEthnicity)((gender == GENDER_FEMALE ? (1 << ::GENDER_FEMALE) : 0) | (::InteractiveRandom() & (1 << ETHNICITY_BLACK)));
00090   RandomCompanyManagerFaceBits(cmf, ge, false);
00091 
00092   return AIObject::DoCommand(0, 0, cmf, CMD_SET_COMPANY_MANAGER_FACE);
00093 }
00094 
00095 /* static */ AICompany::Gender AICompany::GetPresidentGender(CompanyID company)
00096 {
00097   company = ResolveCompanyID(company);
00098   if (company == COMPANY_INVALID) return GENDER_INVALID;
00099 
00100   GenderEthnicity ge = (GenderEthnicity)GetCompanyManagerFaceBits(Company::Get(company)->face, CMFV_GEN_ETHN, GE_WM);
00101   return HasBit(ge, ::GENDER_FEMALE) ? GENDER_FEMALE : GENDER_MALE;
00102 }
00103 
00104 /* static */ Money AICompany::GetCompanyValue(AICompany::CompanyID company)
00105 {
00106   company = ResolveCompanyID(company);
00107   if (company == COMPANY_INVALID) return -1;
00108 
00109   return ::CalculateCompanyValue(::Company::Get((CompanyID)company));
00110 }
00111 
00112 /* static */ Money AICompany::GetBankBalance(AICompany::CompanyID company)
00113 {
00114   company = ResolveCompanyID(company);
00115   if (company == COMPANY_INVALID) return -1;
00116 
00117   return ::Company::Get((CompanyID)company)->money;
00118 }
00119 
00120 /* static */ Money AICompany::GetLoanAmount()
00121 {
00122   return ::Company::Get(_current_company)->current_loan;
00123 }
00124 
00125 /* static */ Money AICompany::GetMaxLoanAmount()
00126 {
00127   return _economy.max_loan;
00128 }
00129 
00130 /* static */ Money AICompany::GetLoanInterval()
00131 {
00132   return LOAN_INTERVAL;
00133 }
00134 
00135 /* static */ bool AICompany::SetLoanAmount(int32 loan)
00136 {
00137   EnforcePrecondition(false, loan >= 0);
00138   EnforcePrecondition(false, (loan % GetLoanInterval()) == 0);
00139   EnforcePrecondition(false, loan <= GetMaxLoanAmount());
00140   EnforcePrecondition(false, (loan - GetLoanAmount() + GetBankBalance(COMPANY_SELF)) >= 0);
00141 
00142   if (loan == GetLoanAmount()) return true;
00143 
00144   return AIObject::DoCommand(0,
00145       abs(loan - GetLoanAmount()), 2,
00146       (loan > GetLoanAmount()) ? CMD_INCREASE_LOAN : CMD_DECREASE_LOAN);
00147 }
00148 
00149 /* static */ bool AICompany::SetMinimumLoanAmount(int32 loan)
00150 {
00151   EnforcePrecondition(false, loan >= 0);
00152 
00153   int32 over_interval = loan % GetLoanInterval();
00154   if (over_interval != 0) loan += GetLoanInterval() - over_interval;
00155 
00156   EnforcePrecondition(false, loan <= GetMaxLoanAmount());
00157 
00158   SetLoanAmount(loan);
00159 
00160   return GetLoanAmount() == loan;
00161 }
00162 
00163 /* static */ bool AICompany::BuildCompanyHQ(TileIndex tile)
00164 {
00165   EnforcePrecondition(false, ::IsValidTile(tile));
00166 
00167   return AIObject::DoCommand(tile, OBJECT_HQ, 0, CMD_BUILD_OBJECT);
00168 }
00169 
00170 /* static */ TileIndex AICompany::GetCompanyHQ(CompanyID company)
00171 {
00172   company = ResolveCompanyID(company);
00173   if (company == COMPANY_INVALID) return INVALID_TILE;
00174 
00175   TileIndex loc = ::Company::Get((CompanyID)company)->location_of_HQ;
00176   return (loc == 0) ? INVALID_TILE : loc;
00177 }
00178 
00179 /* static */ bool AICompany::SetAutoRenewStatus(bool autorenew)
00180 {
00181   return AIObject::DoCommand(0, ::GetCompanySettingIndex("company.engine_renew"), autorenew ? 1 : 0, CMD_CHANGE_COMPANY_SETTING);
00182 }
00183 
00184 /* static */ bool AICompany::GetAutoRenewStatus(CompanyID company)
00185 {
00186   company = ResolveCompanyID(company);
00187   if (company == COMPANY_INVALID) return false;
00188 
00189   return ::Company::Get((CompanyID)company)->settings.engine_renew;
00190 }
00191 
00192 /* static */ bool AICompany::SetAutoRenewMonths(int16 months)
00193 {
00194   return AIObject::DoCommand(0, ::GetCompanySettingIndex("company.engine_renew_months"), months, CMD_CHANGE_COMPANY_SETTING);
00195 }
00196 
00197 /* static */ int16 AICompany::GetAutoRenewMonths(CompanyID company)
00198 {
00199   company = ResolveCompanyID(company);
00200   if (company == COMPANY_INVALID) return 0;
00201 
00202   return ::Company::Get((CompanyID)company)->settings.engine_renew_months;
00203 }
00204 
00205 /* static */ bool AICompany::SetAutoRenewMoney(uint32 money)
00206 {
00207   return AIObject::DoCommand(0, ::GetCompanySettingIndex("company.engine_renew_money"), money, CMD_CHANGE_COMPANY_SETTING);
00208 }
00209 
00210 /* static */ uint32 AICompany::GetAutoRenewMoney(CompanyID company)
00211 {
00212   company = ResolveCompanyID(company);
00213   if (company == COMPANY_INVALID) return 0;
00214 
00215   return ::Company::Get((CompanyID)company)->settings.engine_renew_money;
00216 }