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/* $Id$ */
/** @file ai_subsidy.cpp Implementation of AISubsidy. */
#include "ai_subsidy.hpp"
#include "ai_date.hpp"
#include "ai_log.hpp"
#include "../../subsidy_base.h"
#include "../../station_base.h"
#include "../../cargotype.h"
/* static */ bool AISubsidy::IsValidSubsidy(SubsidyID subsidy_id)
{
return ::Subsidy::IsValidID(subsidy_id);
}
/* static */ bool AISubsidy::IsAwarded(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return false;
return ::Subsidy::Get(subsidy_id)->IsAwarded();
}
/* static */ AICompany::CompanyID AISubsidy::GetAwardedTo(SubsidyID subsidy_id)
{
if (!IsAwarded(subsidy_id)) return AICompany::COMPANY_INVALID;
return (AICompany::CompanyID)((byte)::Subsidy::Get(subsidy_id)->awarded);
}
/* static */ int32 AISubsidy::GetExpireDate(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return -1;
int year = AIDate::GetYear(AIDate::GetCurrentDate());
int month = AIDate::GetMonth(AIDate::GetCurrentDate());
month += ::Subsidy::Get(subsidy_id)->remaining;
year += (month - 1) / 12;
month = ((month - 1) % 12) + 1;
return AIDate::GetDate(year, month, 1);
}
/* static */ CargoID AISubsidy::GetCargoType(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return CT_INVALID;
return ::Subsidy::Get(subsidy_id)->cargo_type;
}
/* static */ bool AISubsidy::SourceIsTown(SubsidyID subsidy_id)
{
AILog::Warning("AISubsidy::SourceIsTown is deprecated and will be removed soon, please use AISubsidy::GetSourceType instead.");
if (!IsValidSubsidy(subsidy_id) || IsAwarded(subsidy_id)) return false;
return ::Subsidy::Get(subsidy_id)->src_type == ST_TOWN;
}
/* static */ int32 AISubsidy::GetSource(SubsidyID subsidy_id)
{
AILog::Warning("AISubsidy::GetSource is deprecated and will be removed soon, please use AISubsidy::GetSourceIndex instead.");
if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
if (IsAwarded(subsidy_id)) {
AILog::Error("AISubsidy::GetSource returned INVALID_STATION due to internal changes in the Subsidy logic.");
return INVALID_STATION;
}
return ::Subsidy::Get(subsidy_id)->src;
}
/* static */ AISubsidy::SubsidyParticipantType AISubsidy::GetSourceType(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return SPT_INVALID;
return (SubsidyParticipantType)(uint)::Subsidy::Get(subsidy_id)->src_type;
}
/* static */ int32 AISubsidy::GetSourceIndex(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
return ::Subsidy::Get(subsidy_id)->src;
}
/* static */ bool AISubsidy::DestinationIsTown(SubsidyID subsidy_id)
{
AILog::Warning("AISubsidy::DestinationIsTown is deprecated and will be removed soon, please use AISubsidy::GetDestinationType instead.");
if (!IsValidSubsidy(subsidy_id) || IsAwarded(subsidy_id)) return false;
return ::Subsidy::Get(subsidy_id)->dst_type == ST_TOWN;
}
/* static */ int32 AISubsidy::GetDestination(SubsidyID subsidy_id)
{
AILog::Warning("AISubsidy::GetDestination is deprecated and will be removed soon, please use AISubsidy::GetDestinationIndex instead.");
if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
if (IsAwarded(subsidy_id)) {
AILog::Error("AISubsidy::GetDestination returned INVALID_STATION due to internal changes in the Subsidy logic.");
return INVALID_STATION;
}
return ::Subsidy::Get(subsidy_id)->dst;
}
/* static */ AISubsidy::SubsidyParticipantType AISubsidy::GetDestinationType(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return SPT_INVALID;
return (SubsidyParticipantType)(uint)::Subsidy::Get(subsidy_id)->dst_type;
}
/* static */ int32 AISubsidy::GetDestinationIndex(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
return ::Subsidy::Get(subsidy_id)->dst;
}
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