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(svn r19502) -Codechange: During NewGRF loading, store rail type labels in temporary data and process after loading has finished. This avoids deactivated rail vehicles being reactivated if the climate property is set after the rail type property.
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/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file subsidy_base.h Subsidy base class. */
#ifndef SUBSIDY_BASE_H
#define SUBSIDY_BASE_H
#include "cargo_type.h"
#include "company_type.h"
#include "subsidy_type.h"
#include "core/pool_type.hpp"
typedef Pool<Subsidy, SubsidyID, 1, MAX_COMPANIES> SubsidyPool;
extern SubsidyPool _subsidy_pool;
/** Struct about subsidies, offered and awarded */
struct Subsidy : SubsidyPool::PoolItem<&_subsidy_pool> {
CargoID cargo_type; ///< Cargo type involved in this subsidy, CT_INVALID for invalid subsidy
byte remaining; ///< Remaining months when this subsidy is valid
CompanyByte awarded; ///< Subsidy is awarded to this company; INVALID_COMPANY if it's not awarded to anyone
SourceTypeByte src_type; ///< Source of subsidised path (ST_INDUSTRY or ST_TOWN)
SourceTypeByte dst_type; ///< Destination of subsidised path (ST_INDUSTRY or ST_TOWN)
SourceID src; ///< Index of source. Either TownID or IndustryID
SourceID dst; ///< Index of destination. Either TownID or IndustryID
/**
* We need an (empty) constructor so struct isn't zeroed (as C++ standard states)
*/
FORCEINLINE Subsidy() { }
/**
* (Empty) destructor has to be defined else operator delete might be called with NULL parameter
*/
FORCEINLINE ~Subsidy() { }
/**
* Tests whether this subsidy has been awarded to someone
* @return is this subsidy awarded?
*/
FORCEINLINE bool IsAwarded() const
{
return this->awarded != INVALID_COMPANY;
}
void AwardTo(CompanyID company);
};
/** Constants related to subsidies */
enum {
SUBSIDY_OFFER_MONTHS = 12, ///< Duration of subsidy offer
SUBSIDY_CONTRACT_MONTHS = 12, ///< Duration of subsidy after awarding
SUBSIDY_PAX_MIN_POPULATION = 400, ///< Min. population of towns for subsidised pax route
SUBSIDY_CARGO_MIN_POPULATION = 900, ///< Min. population of destination town for cargo route
SUBSIDY_MAX_PCT_TRANSPORTED = 42, ///< Subsidy will be created only for towns/industries with less % transported
SUBSIDY_MAX_DISTANCE = 70, ///< Max. length of subsidised route (DistanceManhattan)
};
#define FOR_ALL_SUBSIDIES_FROM(var, start) FOR_ALL_ITEMS_FROM(Subsidy, subsidy_index, var, start)
#define FOR_ALL_SUBSIDIES(var) FOR_ALL_SUBSIDIES_FROM(var, 0)
#endif /* SUBSIDY_BASE_H */
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