town_type.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 <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef TOWN_TYPE_H
#define TOWN_TYPE_H
 
#include "core/enum_type.hpp"
#include "core/pool_type.hpp"
 
using TownID = PoolID<uint16_t, struct TownIDTag, 64000, 0xFFFF>;
 
struct Town;

enum class TownSize : uint8_t {
  Small, 
  Medium, 
  Large, 
  Random, 
 
  End, 
};
 
/* These refer to the maximums, so Appalling is -1000 to -400
 * MAXIMUM RATINGS BOUNDARIES */
static constexpr int RATING_MINIMUM = -1000;
static constexpr int RATING_APPALLING = -400;
static constexpr int RATING_VERYPOOR = -200;
static constexpr int RATING_POOR = 0;
static constexpr int RATING_MEDIOCRE = 200;
static constexpr int RATING_GOOD = 400;
static constexpr int RATING_VERYGOOD = 600;
static constexpr int RATING_EXCELLENT = 800;
static constexpr int RATING_OUTSTANDING = 1000; 
 
static constexpr int RATING_MAXIMUM = RATING_OUTSTANDING;
 
static constexpr int RATING_INITIAL = 500; 
 
/* RATINGS AFFECTING NUMBERS */
static constexpr int RATING_TREE_DOWN_STEP = -35;
static constexpr int RATING_TREE_MINIMUM = RATING_MINIMUM;
static constexpr int RATING_TREE_UP_STEP = 7;
static constexpr int RATING_TREE_MAXIMUM = 220;
 
static constexpr int RATING_GROWTH_UP_STEP =  5; 
static constexpr int RATING_GROWTH_MAXIMUM = RATING_MEDIOCRE; 
static constexpr int RATING_STATION_UP_STEP = 12; 
static constexpr int RATING_STATION_DOWN_STEP = -15; 
 
static constexpr int RATING_TUNNEL_BRIDGE_UP_STEP = 50; 
static constexpr int RATING_TUNNEL_BRIDGE_DOWN_STEP = -250; 
static constexpr int RATING_TUNNEL_BRIDGE_MINIMUM = 0; 
static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_LENIENT = 144; 
static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_NEUTRAL = 208; 
static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_HOSTILE = 400; 
static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_PERMISSIVE = RATING_MINIMUM; 
 
static constexpr int RATING_ROAD_DOWN_STEP_INNER = -50; 
static constexpr int RATING_ROAD_DOWN_STEP_EDGE  = -18; 
static constexpr int RATING_ROAD_MINIMUM = -100; 
static constexpr int RATING_ROAD_NEEDED_LENIENT = 16; 
static constexpr int RATING_ROAD_NEEDED_NEUTRAL = 64; 
static constexpr int RATING_ROAD_NEEDED_HOSTILE = 112; 
static constexpr int RATING_ROAD_NEEDED_PERMISSIVE = RATING_MINIMUM; 
 
static constexpr int RATING_HOUSE_MINIMUM  = RATING_MINIMUM;
 
static constexpr int RATING_BRIBE_UP_STEP = 200;
static constexpr int RATING_BRIBE_MAXIMUM = 800;
static constexpr int RATING_BRIBE_DOWN_TO = -50; // XXX SHOULD BE SOMETHING LOWER?
 
static constexpr int RATING_WATER_RIVER_DOWN_STEP = -200; 
static constexpr int RATING_WATER_MINIMUM = RATING_MINIMUM; 

enum class TownLayout : uint8_t {
  Original, 
  BetterRoads, 
  Grid2x2, 
  Grid3x3, 
 
  Random, 
 
  End, 
};

enum class TownExpandMode : uint8_t {
  Buildings, 
  Roads, 
};

using TownExpandModes = EnumBitSet<TownExpandMode, uint8_t>;

enum class TownFounding : uint8_t {
  Forbidden, 
  Allowed, 
  CustomLayout, 
};

enum class TownCargoGenMode : uint8_t {
  Original, 
  Bitcount, 
};
 
static const uint MAX_LENGTH_TOWN_NAME_CHARS = 32; 

template <typename Tstorage>
struct TransportedCargoStat {
  Tstorage old_max = 0; 
  Tstorage new_max = 0; 
  Tstorage old_act = 0; 
  Tstorage new_act = 0; 

  void NewMonth()
  {
    this->old_max = this->new_max; this->new_max = 0;
    this->old_act = this->new_act; this->new_act = 0;
  }
};
 
#endif /* TOWN_TYPE_H */