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@ r10887:cdbf4a546981
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Location: cpp/openttd-patchpack/source/src/ai/api/ai_company.cpp
r10887:cdbf4a546981
5.4 KiB
text/x-c
(svn r15222) -Fix: The squirrel stack was corrupted if an AI called any C++ function during Save().
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/** @file ai_company.cpp Implementation of AICompany. */
#include "ai_company.hpp"
#include "ai_error.hpp"
#include "ai_log.hpp"
#include "../../openttd.h"
#include "../../command_func.h"
#include "../../company_func.h"
#include "../../company_base.h"
#include "../../economy_func.h"
#include "../../strings_func.h"
#include "../../tile_map.h"
#include "../../variables.h"
#include "../../core/alloc_func.hpp"
#include "../../string_func.h"
#include "table/strings.h"
/* static */ AICompany::CompanyID AICompany::ResolveCompanyID(AICompany::CompanyID company)
{
if (company == COMPANY_SELF) return (CompanyID)((byte)_current_company);
return ::IsValidCompanyID((::CompanyID)company) ? company : COMPANY_INVALID;
}
/* static */ bool AICompany::IsMine(AICompany::CompanyID company)
{
return ResolveCompanyID(company) == ResolveCompanyID(COMPANY_SELF);
}
/* static */ bool AICompany::SetCompanyName(const char *name)
{
AILog::Error("AICompany::SetCompanyName is obsolete. Use AICompany::SetName instead.");
return AICompany::SetName(name);
}
/* static */ bool AICompany::SetName(const char *name)
{
EnforcePrecondition(false, !::StrEmpty(name));
EnforcePreconditionCustomError(false, ::strlen(name) < MAX_LENGTH_COMPANY_NAME_BYTES, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
return AIObject::DoCommand(0, 0, 0, CMD_RENAME_COMPANY, name);
}
/* static */ char *AICompany::GetCompanyName(AICompany::CompanyID company)
{
AILog::Error("AICompany::GetCompanyName is obsolete. Use AICompany::GetName instead.");
return AICompany::GetName(company);
}
/* static */ char *AICompany::GetName(AICompany::CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return NULL;
static const int len = 64;
char *company_name = MallocT<char>(len);
::SetDParam(0, company);
::GetString(company_name, STR_COMPANY_NAME, &company_name[len - 1]);
return company_name;
}
/* static */ bool AICompany::SetPresidentName(const char *name)
{
EnforcePrecondition(false, !::StrEmpty(name));
return AIObject::DoCommand(0, 0, 0, CMD_RENAME_PRESIDENT, name);
}
/* static */ char *AICompany::GetPresidentName(AICompany::CompanyID company)
{
company = ResolveCompanyID(company);
static const int len = 64;
char *president_name = MallocT<char>(len);
if (company != COMPANY_INVALID) {
::SetDParam(0, company);
::GetString(president_name, STR_PRESIDENT_NAME, &president_name[len - 1]);
} else {
*president_name = '\0';
}
return president_name;
}
/* static */ Money AICompany::GetCompanyValue(AICompany::CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return -1;
return ::CalculateCompanyValue(::GetCompany((CompanyID)company));
}
/* static */ Money AICompany::GetBankBalance(AICompany::CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return -1;
return ::GetCompany((CompanyID)company)->money;
}
/* static */ Money AICompany::GetLoanAmount()
{
return ::GetCompany(_current_company)->current_loan;
}
/* static */ Money AICompany::GetMaxLoanAmount()
{
return _economy.max_loan;
}
/* static */ Money AICompany::GetLoanInterval()
{
return LOAN_INTERVAL;
}
/* static */ bool AICompany::SetLoanAmount(int32 loan)
{
EnforcePrecondition(false, loan >= 0);
EnforcePrecondition(false, (loan % GetLoanInterval()) == 0);
EnforcePrecondition(false, loan <= GetMaxLoanAmount());
EnforcePrecondition(false, (loan - GetLoanAmount() + GetBankBalance(COMPANY_SELF)) >= 0);
if (loan == GetLoanAmount()) return true;
return AIObject::DoCommand(0,
abs(loan - GetLoanAmount()), 2,
(loan > GetLoanAmount()) ? CMD_INCREASE_LOAN : CMD_DECREASE_LOAN);
}
/* static */ bool AICompany::SetMinimumLoanAmount(int32 loan)
{
EnforcePrecondition(false, loan >= 0);
int32 over_interval = loan % GetLoanInterval();
if (over_interval != 0) loan += GetLoanInterval() - over_interval;
EnforcePrecondition(false, loan <= GetMaxLoanAmount());
SetLoanAmount(loan);
return GetLoanAmount() == loan;
}
/* static */ bool AICompany::BuildCompanyHQ(TileIndex tile)
{
EnforcePrecondition(false, ::IsValidTile(tile));
return AIObject::DoCommand(tile, 0, 0, CMD_BUILD_COMPANY_HQ);
}
/* static */ TileIndex AICompany::GetCompanyHQ(CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return INVALID_TILE;
TileIndex loc = ::GetCompany((CompanyID)company)->location_of_HQ;
return (loc == 0) ? INVALID_TILE : loc;
}
/* static */ bool AICompany::SetAutoRenewStatus(bool autorenew)
{
return AIObject::DoCommand(0, 0, autorenew ? 1 : 0, CMD_SET_AUTOREPLACE);
}
/* static */ bool AICompany::GetAutoRenewStatus(CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return false;
return ::GetCompany((CompanyID)company)->engine_renew;
}
/* static */ bool AICompany::SetAutoRenewMonths(int16 months)
{
return AIObject::DoCommand(0, 1, months, CMD_SET_AUTOREPLACE);
}
/* static */ int16 AICompany::GetAutoRenewMonths(CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return 0;
return ::GetCompany((CompanyID)company)->engine_renew_months;
}
/* static */ bool AICompany::SetAutoRenewMoney(uint32 money)
{
return AIObject::DoCommand(0, 2, money, CMD_SET_AUTOREPLACE);
}
/* static */ uint32 AICompany::GetAutoRenewMoney(CompanyID company)
{
company = ResolveCompanyID(company);
if (company == COMPANY_INVALID) return 0;
return ::GetCompany((CompanyID)company)->engine_renew_money;
}
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