mirror of https://github.com/OpenTTD/OpenTTD.git
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/*
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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 script_subsidy.cpp Implementation of ScriptSubsidy. */
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#include "../../stdafx.h"
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#include "script_subsidy.hpp"
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#include "script_date.hpp"
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#include "script_industry.hpp"
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#include "script_town.hpp"
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#include "script_error.hpp"
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#include "../../subsidy_base.h"
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#include "../../station_base.h"
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#include "../../subsidy_cmd.h"
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#include "../../safeguards.h"
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/* static */ bool ScriptSubsidy::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 ScriptSubsidy::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 */ bool ScriptSubsidy::Create(CargoID cargo_type, SubsidyParticipantType from_type, SQInteger from_id, SubsidyParticipantType to_type, SQInteger to_id)
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{
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EnforceDeityMode(false);
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EnforcePrecondition(false, ScriptCargo::IsValidCargo(cargo_type));
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EnforcePrecondition(false, from_type == SPT_INDUSTRY || from_type == SPT_TOWN);
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EnforcePrecondition(false, to_type == SPT_INDUSTRY || to_type == SPT_TOWN);
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EnforcePrecondition(false, (from_type == SPT_INDUSTRY && ScriptIndustry::IsValidIndustry(from_id)) || (from_type == SPT_TOWN && ScriptTown::IsValidTown(from_id)));
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EnforcePrecondition(false, (to_type == SPT_INDUSTRY && ScriptIndustry::IsValidIndustry(to_id)) || (to_type == SPT_TOWN && ScriptTown::IsValidTown(to_id)));
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return ScriptObject::Command<CMD_CREATE_SUBSIDY>::Do(cargo_type, (::SourceType)from_type, from_id, (::SourceType)to_type, to_id);
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}
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/* static */ ScriptCompany::CompanyID ScriptSubsidy::GetAwardedTo(SubsidyID subsidy_id)
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{
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if (!IsAwarded(subsidy_id)) return ScriptCompany::COMPANY_INVALID;
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return (ScriptCompany::CompanyID)((byte)::Subsidy::Get(subsidy_id)->awarded);
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}
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/* static */ ScriptDate::Date ScriptSubsidy::GetExpireDate(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return ScriptDate::DATE_INVALID;
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int year = ScriptDate::GetYear(ScriptDate::GetCurrentDate());
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int month = ScriptDate::GetMonth(ScriptDate::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 ScriptDate::GetDate(year, month, 1);
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}
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/* static */ CargoID ScriptSubsidy::GetCargoType(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return INVALID_CARGO;
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return ::Subsidy::Get(subsidy_id)->cargo_type;
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}
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/* static */ ScriptSubsidy::SubsidyParticipantType ScriptSubsidy::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 */ SQInteger ScriptSubsidy::GetSourceIndex(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return INVALID_SOURCE;
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return ::Subsidy::Get(subsidy_id)->src;
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}
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/* static */ ScriptSubsidy::SubsidyParticipantType ScriptSubsidy::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 */ SQInteger ScriptSubsidy::GetDestinationIndex(SubsidyID subsidy_id)
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{
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if (!IsValidSubsidy(subsidy_id)) return INVALID_SOURCE;
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return ::Subsidy::Get(subsidy_id)->dst;
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}
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