subsidy_base.h

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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/>.
 */
 
#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, 256> SubsidyPool;
extern SubsidyPool _subsidy_pool;
 
struct Subsidy : SubsidyPool::PoolItem<&_subsidy_pool> {
  CargoID cargo_type;  
  uint16_t remaining;    
  CompanyID awarded;   
  SourceType src_type; 
  SourceType dst_type; 
  SourceID src;        
  SourceID dst;        
 
  inline Subsidy() { }
 
  inline ~Subsidy() { }
 
  inline bool IsAwarded() const
  {
    return this->awarded != INVALID_COMPANY;
  }
 
  void AwardTo(CompanyID company);
};
 
static const uint SUBSIDY_OFFER_MONTHS         =  12; 
static const uint SUBSIDY_PAX_MIN_POPULATION   = 400; 
static const uint SUBSIDY_CARGO_MIN_POPULATION = 900; 
static const uint SUBSIDY_MAX_PCT_TRANSPORTED  =  42; 
static const uint SUBSIDY_MAX_DISTANCE         =  70; 
static const uint SUBSIDY_TOWN_CARGO_RADIUS    =   6; 
 
enum class SubsidyDecodeParamType {
  NewsOffered   = 0, 
  NewsAwarded   = 1, 
  NewsWithdrawn = 2, 
  Gui           = 3, 
};
 
#endif /* SUBSIDY_BASE_H */