# subsidy_base.h

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    00001 /* $Id: subsidy_base.h 17248 2009-08-21 20:21:05Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #ifndef SUBSIDY_BASE_H
    00013 #define SUBSIDY_BASE_H
    00014
    00015 #include "cargo_type.h"
    00016 #include "company_type.h"
    00017 #include "subsidy_type.h"
    00018 #include "core/pool_type.hpp"
    00019
    00020 typedef Pool<Subsidy, SubsidyID, 1, MAX_COMPANIES> SubsidyPool;
    00021 extern SubsidyPool _subsidy_pool;
    00022
    00024 struct Subsidy : SubsidyPool::PoolItem<&_subsidy_pool> {
    00025   CargoID cargo_type;
    00026   byte remaining;
    00027   CompanyByte awarded;
    00028   SourceTypeByte src_type;
    00029   SourceTypeByte dst_type;
    00030   SourceID src;
    00031   SourceID dst;
    00032
    00036   FORCEINLINE Subsidy() { }
    00037
    00041   FORCEINLINE ~Subsidy() { }
    00042
    00047   FORCEINLINE bool IsAwarded() const
    00048   {
    00049     return this->awarded != INVALID_COMPANY;
    00050   }
    00051
    00052   void AwardTo(CompanyID company);
    00053 };
    00054
    00056 enum {
    00057   SUBSIDY_OFFER_MONTHS         =  12,
    00058   SUBSIDY_CONTRACT_MONTHS      =  12,
    00059   SUBSIDY_PAX_MIN_POPULATION   = 400,
    00060   SUBSIDY_CARGO_MIN_POPULATION = 900,
    00061   SUBSIDY_MAX_PCT_TRANSPORTED  =  42,
    00062   SUBSIDY_MAX_DISTANCE         =  70,
    00063 };
    00064
    00065 #define FOR_ALL_SUBSIDIES_FROM(var, start) FOR_ALL_ITEMS_FROM(Subsidy, subsidy_index, var, start)
    00066 #define FOR_ALL_SUBSIDIES(var) FOR_ALL_SUBSIDIES_FROM(var, 0)
    00067
    00068 #endif /* SUBSIDY_BASE_H */