Go to the documentation of this file.00001
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00012 #ifndef TOWN_H
00013 #define TOWN_H
00014
00015 #include "core/pool_type.hpp"
00016 #include "viewport_type.h"
00017 #include "command_type.h"
00018 #include "town_map.h"
00019 #include "subsidy_type.h"
00020 #include "newgrf_storage.h"
00021 #include "cargotype.h"
00022 #include "tilematrix_type.hpp"
00023 #include <list>
00024
00025 template <typename T>
00026 struct BuildingCounts {
00027 T id_count[HOUSE_MAX];
00028 T class_count[HOUSE_CLASS_MAX];
00029 };
00030
00031 typedef TileMatrix<uint32, 4> AcceptanceMatrix;
00032
00033 static const uint CUSTOM_TOWN_NUMBER_DIFFICULTY = 4;
00034 static const uint CUSTOM_TOWN_MAX_NUMBER = 5000;
00035
00036 static const uint INVALID_TOWN = 0xFFFF;
00037
00038 static const uint TOWN_GROWTH_WINTER = 0xFFFFFFFE;
00039 static const uint TOWN_GROWTH_DESERT = 0xFFFFFFFF;
00040
00041 typedef Pool<Town, TownID, 64, 64000> TownPool;
00042 extern TownPool _town_pool;
00043
00045 struct Town : TownPool::PoolItem<&_town_pool> {
00046 TileIndex xy;
00047
00048 uint32 num_houses;
00049 uint32 population;
00050
00051
00052 uint32 townnamegrfid;
00053 uint16 townnametype;
00054 uint32 townnameparts;
00055 char *name;
00056
00057 ViewportSign sign;
00058
00059
00060
00061
00062
00063 byte flags;
00064
00065 uint16 noise_reached;
00066
00067 CompanyMask statues;
00068
00069
00070 CompanyMask have_ratings;
00071 uint8 unwanted[MAX_COMPANIES];
00072 CompanyByte exclusivity;
00073 uint8 exclusive_counter;
00074 int16 ratings[MAX_COMPANIES];
00075
00076 TransportedCargoStat<uint32> supplied[NUM_CARGO];
00077 TransportedCargoStat<uint16> received[NUM_TE];
00078 uint32 goal[NUM_TE];
00079
00080 inline byte GetPercentTransported(CargoID cid) const { return this->supplied[cid].old_act * 256 / (this->supplied[cid].old_max + 1); }
00081
00082
00083 uint32 cargo_produced;
00084 AcceptanceMatrix cargo_accepted;
00085 uint32 cargo_accepted_total;
00086
00087 uint16 time_until_rebuild;
00088
00089 uint16 grow_counter;
00090 uint16 growth_rate;
00091
00092 byte fund_buildings_months;
00093 byte road_build_months;
00094
00095 bool larger_town;
00096 TownLayoutByte layout;
00097
00098 std::list<PersistentStorage *> psa_list;
00099
00100 PartOfSubsidyByte part_of_subsidy;
00101
00102 uint32 squared_town_zone_radius[HZB_END];
00103
00104 BuildingCounts<uint16> building_counts;
00105
00110 Town(TileIndex tile = INVALID_TILE) : xy(tile) { }
00111
00113 ~Town();
00114
00115 void InitializeLayout(TownLayout layout);
00116
00123 inline uint16 MaxTownNoise() const
00124 {
00125 if (this->population == 0) return 0;
00126
00127
00128 return (this->population / _settings_game.economy.town_noise_population[_settings_game.difficulty.town_council_tolerance]) + 3;
00129 }
00130
00131 void UpdateVirtCoord();
00132
00133 static FORCEINLINE Town *GetByTile(TileIndex tile)
00134 {
00135 return Town::Get(GetTownIndex(tile));
00136 }
00137
00138 static Town *GetRandom();
00139 static void PostDestructor(size_t index);
00140 };
00141
00142 uint32 GetWorldPopulation();
00143
00144 void UpdateAllTownVirtCoords();
00145 void ShowTownViewWindow(TownID town);
00146 void ExpandTown(Town *t);
00147
00152 enum TownRatingCheckType {
00153 ROAD_REMOVE = 0,
00154 TUNNELBRIDGE_REMOVE = 1,
00155 TOWN_RATING_CHECK_TYPE_COUNT,
00156 };
00157
00165 enum TownFlags {
00166 TOWN_IS_FUNDED = 0,
00167 TOWN_HAS_CHURCH = 1,
00168 TOWN_HAS_STADIUM = 2
00169 };
00170
00171 CommandCost CheckforTownRating(DoCommandFlag flags, Town *t, TownRatingCheckType type);
00172
00173
00174 TileIndexDiff GetHouseNorthPart(HouseID &house);
00175
00176 Town *CalcClosestTownFromTile(TileIndex tile, uint threshold = UINT_MAX);
00177
00178 #define FOR_ALL_TOWNS_FROM(var, start) FOR_ALL_ITEMS_FROM(Town, town_index, var, start)
00179 #define FOR_ALL_TOWNS(var) FOR_ALL_TOWNS_FROM(var, 0)
00180
00181 void ResetHouses();
00182
00183 void ClearTownHouse(Town *t, TileIndex tile);
00184 void UpdateTownMaxPass(Town *t);
00185 void UpdateTownRadius(Town *t);
00186 void UpdateTownCargos(Town *t);
00187 void UpdateTownCargoTotal(Town *t);
00188 void UpdateTownCargoBitmap();
00189 CommandCost CheckIfAuthorityAllowsNewStation(TileIndex tile, DoCommandFlag flags);
00190 Town *ClosestTownFromTile(TileIndex tile, uint threshold);
00191 void ChangeTownRating(Town *t, int add, int max, DoCommandFlag flags);
00192 HouseZonesBits GetTownRadiusGroup(const Town *t, TileIndex tile);
00193 void SetTownRatingTestMode(bool mode);
00194 uint GetMaskOfTownActions(int *nump, CompanyID cid, const Town *t);
00195 bool GenerateTowns(TownLayout layout);
00196 const CargoSpec *FindFirstCargoWithTownEffect(TownEffect effect);
00197
00198
00200 enum TownActions {
00201 TACT_NONE = 0x00,
00202
00203 TACT_ADVERTISE_SMALL = 0x01,
00204 TACT_ADVERTISE_MEDIUM = 0x02,
00205 TACT_ADVERTISE_LARGE = 0x04,
00206 TACT_ROAD_REBUILD = 0x08,
00207 TACT_BUILD_STATUE = 0x10,
00208 TACT_FUND_BUILDINGS = 0x20,
00209 TACT_BUY_RIGHTS = 0x40,
00210 TACT_BRIBE = 0x80,
00211
00212 TACT_COUNT = 8,
00213
00214 TACT_ADVERTISE = TACT_ADVERTISE_SMALL | TACT_ADVERTISE_MEDIUM | TACT_ADVERTISE_LARGE,
00215 TACT_CONSTRUCTION = TACT_ROAD_REBUILD | TACT_BUILD_STATUE | TACT_FUND_BUILDINGS,
00216 TACT_FUNDS = TACT_BUY_RIGHTS | TACT_BRIBE,
00217 TACT_ALL = TACT_ADVERTISE | TACT_CONSTRUCTION | TACT_FUNDS,
00218 };
00219 DECLARE_ENUM_AS_BIT_SET(TownActions)
00220
00221 extern const byte _town_action_costs[TACT_COUNT];
00222 extern TownID _new_town_id;
00223
00229 template <class T>
00230 void MakeDefaultName(T *obj)
00231 {
00232
00233 assert(obj->name == NULL || obj->town_cn == UINT16_MAX);
00234
00235 obj->town = ClosestTownFromTile(obj->xy, UINT_MAX);
00236
00237
00238
00239
00240
00241
00242
00243
00244
00245
00246
00247
00248 uint32 used = 0;
00249 uint32 next = 0;
00250 uint32 idx = 0;
00251 uint32 cid = 0;
00252
00253 do {
00254 T *lobj = T::GetIfValid(cid);
00255
00256
00257 if (lobj != NULL && obj != lobj) {
00258
00259 if (lobj->town == obj->town && lobj->IsOfType(obj)) {
00260
00261 uint i = (uint)lobj->town_cn - next;
00262
00263 if (i < 32) {
00264 SetBit(used, i);
00265 if (i == 0) {
00266
00267
00268 do {
00269 used >>= 1;
00270 next++;
00271 } while (HasBit(used, 0));
00272
00273
00274
00275 idx = cid;
00276 }
00277 }
00278 }
00279 }
00280
00281 cid++;
00282 if (cid == T::GetPoolSize()) cid = 0;
00283 } while (cid != idx);
00284
00285 obj->town_cn = (uint16)next;
00286 }
00287
00288 extern uint32 _town_cargos_accepted;
00289
00290 #endif