85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file ai_subsidy.cpp Implementation of AISubsidy. */
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#include "ai_subsidy.hpp"
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#include "ai_date.hpp"
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#include "../../subsidy_base.h"
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#include "../../station_base.h"
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/* static */ bool AISubsidy::IsValidSubsidy(SubsidyID subsidy_id)
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{
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return ::Subsidy::IsValidID(subsidy_id);
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}
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/* static */ bool AISubsidy::IsAwarded(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return false;
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return ::Subsidy::Get(subsidy_id)->IsAwarded();
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}
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/* static */ AICompany::CompanyID AISubsidy::GetAwardedTo(SubsidyID subsidy_id)
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{
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if (!IsAwarded(subsidy_id)) return AICompany::COMPANY_INVALID;
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return (AICompany::CompanyID)((byte)::Subsidy::Get(subsidy_id)->awarded);
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}
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/* static */ int32 AISubsidy::GetExpireDate(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return -1;
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int year = AIDate::GetYear(AIDate::GetCurrentDate());
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int month = AIDate::GetMonth(AIDate::GetCurrentDate());
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month += ::Subsidy::Get(subsidy_id)->remaining;
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year += (month - 1) / 12;
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month = ((month - 1) % 12) + 1;
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return AIDate::GetDate(year, month, 1);
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}
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/* static */ CargoID AISubsidy::GetCargoType(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return CT_INVALID;
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return ::Subsidy::Get(subsidy_id)->cargo_type;
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}
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/* static */ AISubsidy::SubsidyParticipantType AISubsidy::GetSourceType(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return SPT_INVALID;
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return (SubsidyParticipantType)(uint)::Subsidy::Get(subsidy_id)->src_type;
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}
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/* static */ int32 AISubsidy::GetSourceIndex(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
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return ::Subsidy::Get(subsidy_id)->src;
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}
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/* static */ AISubsidy::SubsidyParticipantType AISubsidy::GetDestinationType(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return SPT_INVALID;
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return (SubsidyParticipantType)(uint)::Subsidy::Get(subsidy_id)->dst_type;
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}
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/* static */ int32 AISubsidy::GetDestinationIndex(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
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return ::Subsidy::Get(subsidy_id)->dst;
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}
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