Go to the documentation of this file.00001
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00012 #ifndef TOWN_H
00013 #define TOWN_H
00014
00015 #include "viewport_type.h"
00016 #include "town_map.h"
00017 #include "subsidy_type.h"
00018 #include "newgrf_storage.h"
00019 #include "cargotype.h"
00020 #include "tilematrix_type.hpp"
00021 #include <list>
00022
00023 template <typename T>
00024 struct BuildingCounts {
00025 T id_count[HOUSE_MAX];
00026 T class_count[HOUSE_CLASS_MAX];
00027 };
00028
00029 typedef TileMatrix<uint32, 4> AcceptanceMatrix;
00030
00031 static const uint CUSTOM_TOWN_NUMBER_DIFFICULTY = 4;
00032 static const uint CUSTOM_TOWN_MAX_NUMBER = 5000;
00033
00034 static const uint INVALID_TOWN = 0xFFFF;
00035
00036 static const uint TOWN_GROWTH_WINTER = 0xFFFFFFFE;
00037 static const uint TOWN_GROWTH_DESERT = 0xFFFFFFFF;
00038 static const uint16 TOWN_GROW_RATE_CUSTOM = 0x8000;
00039
00040 typedef Pool<Town, TownID, 64, 64000> TownPool;
00041 extern TownPool _town_pool;
00042
00044 struct TownCache {
00045 uint32 num_houses;
00046 uint32 population;
00047 ViewportSign sign;
00048 PartOfSubsidyByte part_of_subsidy;
00049 uint32 squared_town_zone_radius[HZB_END];
00050 BuildingCounts<uint16> building_counts;
00051 };
00052
00054 struct Town : TownPool::PoolItem<&_town_pool> {
00055 TileIndex xy;
00056
00057 TownCache cache;
00058
00059
00060 uint32 townnamegrfid;
00061 uint16 townnametype;
00062 uint32 townnameparts;
00063 char *name;
00064
00065
00066
00067
00068
00069 byte flags;
00070
00071 uint16 noise_reached;
00072
00073 CompanyMask statues;
00074
00075
00076 CompanyMask have_ratings;
00077 uint8 unwanted[MAX_COMPANIES];
00078 CompanyByte exclusivity;
00079 uint8 exclusive_counter;
00080 int16 ratings[MAX_COMPANIES];
00081
00082 TransportedCargoStat<uint32> supplied[NUM_CARGO];
00083 TransportedCargoStat<uint16> received[NUM_TE];
00084 uint32 goal[NUM_TE];
00085
00086 char *text;
00087
00088 inline byte GetPercentTransported(CargoID cid) const { return this->supplied[cid].old_act * 256 / (this->supplied[cid].old_max + 1); }
00089
00090
00091 uint32 cargo_produced;
00092 AcceptanceMatrix cargo_accepted;
00093 uint32 cargo_accepted_total;
00094
00095 uint16 time_until_rebuild;
00096
00097 uint16 grow_counter;
00098 uint16 growth_rate;
00099
00100 byte fund_buildings_months;
00101 byte road_build_months;
00102
00103 bool larger_town;
00104 TownLayoutByte layout;
00105
00106 std::list<PersistentStorage *> psa_list;
00107
00112 Town(TileIndex tile = INVALID_TILE) : xy(tile) { }
00113
00115 ~Town();
00116
00117 void InitializeLayout(TownLayout layout);
00118
00125 inline uint16 MaxTownNoise() const
00126 {
00127 if (this->cache.population == 0) return 0;
00128
00129
00130 return (this->cache.population / _settings_game.economy.town_noise_population[_settings_game.difficulty.town_council_tolerance]) + 3;
00131 }
00132
00133 void UpdateVirtCoord();
00134
00135 static inline Town *GetByTile(TileIndex tile)
00136 {
00137 return Town::Get(GetTownIndex(tile));
00138 }
00139
00140 static Town *GetRandom();
00141 static void PostDestructor(size_t index);
00142 };
00143
00144 uint32 GetWorldPopulation();
00145
00146 void UpdateAllTownVirtCoords();
00147 void ShowTownViewWindow(TownID town);
00148 void ExpandTown(Town *t);
00149
00154 enum TownRatingCheckType {
00155 ROAD_REMOVE = 0,
00156 TUNNELBRIDGE_REMOVE = 1,
00157 TOWN_RATING_CHECK_TYPE_COUNT,
00158 };
00159
00167 enum TownFlags {
00168 TOWN_IS_FUNDED = 0,
00169 TOWN_HAS_CHURCH = 1,
00170 TOWN_HAS_STADIUM = 2,
00171 };
00172
00173 CommandCost CheckforTownRating(DoCommandFlag flags, Town *t, TownRatingCheckType type);
00174
00175
00176 TileIndexDiff GetHouseNorthPart(HouseID &house);
00177
00178 Town *CalcClosestTownFromTile(TileIndex tile, uint threshold = UINT_MAX);
00179
00180 #define FOR_ALL_TOWNS_FROM(var, start) FOR_ALL_ITEMS_FROM(Town, town_index, var, start)
00181 #define FOR_ALL_TOWNS(var) FOR_ALL_TOWNS_FROM(var, 0)
00182
00183 void ResetHouses();
00184
00185 void ClearTownHouse(Town *t, TileIndex tile);
00186 void UpdateTownMaxPass(Town *t);
00187 void UpdateTownRadius(Town *t);
00188 void UpdateTownCargoes(Town *t);
00189 void UpdateTownCargoTotal(Town *t);
00190 void UpdateTownCargoBitmap();
00191 CommandCost CheckIfAuthorityAllowsNewStation(TileIndex tile, DoCommandFlag flags);
00192 Town *ClosestTownFromTile(TileIndex tile, uint threshold);
00193 void ChangeTownRating(Town *t, int add, int max, DoCommandFlag flags);
00194 HouseZonesBits GetTownRadiusGroup(const Town *t, TileIndex tile);
00195 void SetTownRatingTestMode(bool mode);
00196 uint GetMaskOfTownActions(int *nump, CompanyID cid, const Town *t);
00197 bool GenerateTowns(TownLayout layout);
00198 const CargoSpec *FindFirstCargoWithTownEffect(TownEffect effect);
00199
00200
00202 enum TownActions {
00203 TACT_NONE = 0x00,
00204
00205 TACT_ADVERTISE_SMALL = 0x01,
00206 TACT_ADVERTISE_MEDIUM = 0x02,
00207 TACT_ADVERTISE_LARGE = 0x04,
00208 TACT_ROAD_REBUILD = 0x08,
00209 TACT_BUILD_STATUE = 0x10,
00210 TACT_FUND_BUILDINGS = 0x20,
00211 TACT_BUY_RIGHTS = 0x40,
00212 TACT_BRIBE = 0x80,
00213
00214 TACT_COUNT = 8,
00215
00216 TACT_ADVERTISE = TACT_ADVERTISE_SMALL | TACT_ADVERTISE_MEDIUM | TACT_ADVERTISE_LARGE,
00217 TACT_CONSTRUCTION = TACT_ROAD_REBUILD | TACT_BUILD_STATUE | TACT_FUND_BUILDINGS,
00218 TACT_FUNDS = TACT_BUY_RIGHTS | TACT_BRIBE,
00219 TACT_ALL = TACT_ADVERTISE | TACT_CONSTRUCTION | TACT_FUNDS,
00220 };
00221 DECLARE_ENUM_AS_BIT_SET(TownActions)
00222
00223 extern const byte _town_action_costs[TACT_COUNT];
00224 extern TownID _new_town_id;
00225
00231 template <class T>
00232 void MakeDefaultName(T *obj)
00233 {
00234
00235 assert(obj->name == NULL || obj->town_cn == UINT16_MAX);
00236
00237 obj->town = ClosestTownFromTile(obj->xy, UINT_MAX);
00238
00239
00240
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00244
00245
00246
00247
00248
00249
00250 uint32 used = 0;
00251 uint32 next = 0;
00252 uint32 idx = 0;
00253 uint32 cid = 0;
00254
00255 do {
00256 T *lobj = T::GetIfValid(cid);
00257
00258
00259 if (lobj != NULL && obj != lobj) {
00260
00261 if (lobj->town == obj->town && lobj->IsOfType(obj)) {
00262
00263 uint i = (uint)lobj->town_cn - next;
00264
00265 if (i < 32) {
00266 SetBit(used, i);
00267 if (i == 0) {
00268
00269
00270 do {
00271 used >>= 1;
00272 next++;
00273 } while (HasBit(used, 0));
00274
00275
00276
00277 idx = cid;
00278 }
00279 }
00280 }
00281 }
00282
00283 cid++;
00284 if (cid == T::GetPoolSize()) cid = 0;
00285 } while (cid != idx);
00286
00287 obj->town_cn = (uint16)next;
00288 }
00289
00290 extern uint32 _town_cargoes_accepted;
00291
00292 #endif