src/town_type.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file town_type.h Types related to towns. */
   9
  10 #ifndef TOWN_TYPE_H
  11 #define TOWN_TYPE_H
  12
  13 #include "core/enum_type.hpp"
  14
  15 typedef uint16_t TownID;
  16 struct Town;
  17
  18 /** Supported initial town sizes */
  19 enum TownSize : uint8_t {
  20         TSZ_SMALL,  ///< Small town.
  21         TSZ_MEDIUM, ///< Medium town.
  22         TSZ_LARGE,  ///< Large town.
  23         TSZ_RANDOM, ///< Random size, bigger than small, smaller than large.
  24
  25         TSZ_END,    ///< Number of available town sizes.
  26 };
  27 DECLARE_ENUM_AS_ADDABLE(TownSize)
  28
  29 /* These refer to the maximums, so Appalling is -1000 to -400
  30  * MAXIMUM RATINGS BOUNDARIES */
  31 static constexpr int RATING_MINIMUM = -1000;
  32 static constexpr int RATING_APPALLING = -400;
  33 static constexpr int RATING_VERYPOOR = -200;
  34 static constexpr int RATING_POOR = 0;
  35 static constexpr int RATING_MEDIOCRE = 200;
  36 static constexpr int RATING_GOOD = 400;
  37 static constexpr int RATING_VERYGOOD = 600;
  38 static constexpr int RATING_EXCELLENT = 800;
  39 static constexpr int RATING_OUTSTANDING = 1000; ///< OUTSTANDING
  40
  41 static constexpr int RATING_MAXIMUM = RATING_OUTSTANDING;
  42
  43 static constexpr int RATING_INITIAL = 500; ///< initial rating
  44
  45 /* RATINGS AFFECTING NUMBERS */
  46 static constexpr int RATING_TREE_DOWN_STEP = -35;
  47 static constexpr int RATING_TREE_MINIMUM = RATING_MINIMUM;
  48 static constexpr int RATING_TREE_UP_STEP = 7;
  49 static constexpr int RATING_TREE_MAXIMUM = 220;
  50
  51 static constexpr int RATING_GROWTH_UP_STEP =  5; ///< when a town grows, all companies have rating increased a bit ...
  52 static constexpr int RATING_GROWTH_MAXIMUM = RATING_MEDIOCRE; ///< ... up to RATING_MEDIOCRE
  53 static constexpr int RATING_STATION_UP_STEP = 12; ///< when a town grows, company gains reputation for all well serviced stations ...
  54 static constexpr int RATING_STATION_DOWN_STEP = -15; ///< ... but loses for badly serviced stations
  55
  56 static constexpr int RATING_TUNNEL_BRIDGE_DOWN_STEP = -250; ///< penalty for removing town owned tunnel or bridge
  57 static constexpr int RATING_TUNNEL_BRIDGE_MINIMUM = 0; ///< minimum rating after removing tunnel or bridge
  58 static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_LENIENT = 144; ///< rating needed, "Lenient" difficulty settings
  59 static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_NEUTRAL = 208; ///< "Neutral"
  60 static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_HOSTILE = 400; ///< "Hostile"
  61 static constexpr int RATING_TUNNEL_BRIDGE_NEEDED_PERMISSIVE = RATING_MINIMUM; ///< "Permissive" (local authority disabled)
  62
  63 static constexpr int RATING_ROAD_DOWN_STEP_INNER = -50; ///< removing a roadpiece in the middle
  64 static constexpr int RATING_ROAD_DOWN_STEP_EDGE  = -18; ///< removing a roadpiece at the edge
  65 static constexpr int RATING_ROAD_MINIMUM = -100; ///< minimum rating after removing town owned road
  66 static constexpr int RATING_ROAD_NEEDED_LENIENT = 16; ///< rating needed, "Lenient" difficulty settings
  67 static constexpr int RATING_ROAD_NEEDED_NEUTRAL = 64; ///< "Neutral"
  68 static constexpr int RATING_ROAD_NEEDED_HOSTILE = 112; ///< "Hostile"
  69 static constexpr int RATING_ROAD_NEEDED_PERMISSIVE = RATING_MINIMUM; ///< "Permissive" (local authority disabled)
  70
  71 static constexpr int RATING_HOUSE_MINIMUM  = RATING_MINIMUM;
  72
  73 static constexpr int RATING_BRIBE_UP_STEP = 200;
  74 static constexpr int RATING_BRIBE_MAXIMUM = 800;
  75 static constexpr int RATING_BRIBE_DOWN_TO = -50; // XXX SHOULD BE SOMETHING LOWER?
  76
  77 /** Town Layouts. It needs to be 8bits, because we save and load it as such */
  78 enum TownLayout : uint8_t {
  79         TL_BEGIN = 0,
  80         TL_ORIGINAL = 0,     ///< Original algorithm (min. 1 distance between roads)
  81         TL_BETTER_ROADS,     ///< Extended original algorithm (min. 2 distance between roads)
  82         TL_2X2_GRID,         ///< Geometric 2x2 grid algorithm
  83         TL_3X3_GRID,         ///< Geometric 3x3 grid algorithm
  84
  85         TL_RANDOM,           ///< Random town layout
  86
  87         NUM_TLS,             ///< Number of town layouts
  88 };
  89 DECLARE_ENUM_AS_ADDABLE(TownLayout)
  90
  91 /** Town founding setting values. It needs to be 8bits, because we save and load it as such */
  92 enum TownFounding : uint8_t {
  93         TF_BEGIN = 0,     ///< Used for iterations and limit testing
  94         TF_FORBIDDEN = 0, ///< Forbidden
  95         TF_ALLOWED,       ///< Allowed
  96         TF_CUSTOM_LAYOUT, ///< Allowed, with custom town layout
  97         TF_END,           ///< Used for iterations and limit testing
  98 };
  99
 100 /** Town cargo generation modes */
 101 enum TownCargoGenMode : uint8_t {
 102         TCGM_BEGIN = 0,
 103         TCGM_ORIGINAL = 0,  ///< Original algorithm (quadratic cargo by population)
 104         TCGM_BITCOUNT,      ///< Bit-counted algorithm (normal distribution from individual house population)
 105         TCGM_END,
 106 };
 107
 108 static const uint MAX_LENGTH_TOWN_NAME_CHARS = 32; ///< The maximum length of a town name in characters including '\0'
 109
 110 /** Store the maximum and actually transported cargo amount for the current and the last month. */
 111 template <typename Tstorage>
 112 struct TransportedCargoStat {
 113         Tstorage old_max;  ///< Maximum amount last month
 114         Tstorage new_max;  ///< Maximum amount this month
 115         Tstorage old_act;  ///< Actually transported last month
 116         Tstorage new_act;  ///< Actually transported this month
 117
 118         TransportedCargoStat() : old_max(0), new_max(0), old_act(0), new_act(0) {}
 119
 120         /** Update stats for a new month. */
 121         void NewMonth()
 122         {
 123                 this->old_max = this->new_max; this->new_max = 0;
 124                 this->old_act = this->new_act; this->new_act = 0;
 125         }
 126 };
 127
 128 #endif /* TOWN_TYPE_H */