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 Town : TownPool::PoolItem<&_town_pool> {
00045 TileIndex xy;
00046
00047 uint32 num_houses;
00048 uint32 population;
00049
00050
00051 uint32 townnamegrfid;
00052 uint16 townnametype;
00053 uint32 townnameparts;
00054 char *name;
00055
00056 ViewportSign sign;
00057
00058
00059
00060
00061
00062 byte flags;
00063
00064 uint16 noise_reached;
00065
00066 CompanyMask statues;
00067
00068
00069 CompanyMask have_ratings;
00070 uint8 unwanted[MAX_COMPANIES];
00071 CompanyByte exclusivity;
00072 uint8 exclusive_counter;
00073 int16 ratings[MAX_COMPANIES];
00074
00075 TransportedCargoStat<uint32> supplied[NUM_CARGO];
00076 TransportedCargoStat<uint16> received[NUM_TE];
00077 uint32 goal[NUM_TE];
00078
00079 char *text;
00080
00081 inline byte GetPercentTransported(CargoID cid) const { return this->supplied[cid].old_act * 256 / (this->supplied[cid].old_max + 1); }
00082
00083
00084 uint32 cargo_produced;
00085 AcceptanceMatrix cargo_accepted;
00086 uint32 cargo_accepted_total;
00087
00088 uint16 time_until_rebuild;
00089
00090 uint16 grow_counter;
00091 uint16 growth_rate;
00092
00093 byte fund_buildings_months;
00094 byte road_build_months;
00095
00096 bool larger_town;
00097 TownLayoutByte layout;
00098
00099 std::list<PersistentStorage *> psa_list;
00100
00101 PartOfSubsidyByte part_of_subsidy;
00102
00103 uint32 squared_town_zone_radius[HZB_END];
00104
00105 BuildingCounts<uint16> building_counts;
00106
00111 Town(TileIndex tile = INVALID_TILE) : xy(tile) { }
00112
00114 ~Town();
00115
00116 void InitializeLayout(TownLayout layout);
00117
00124 inline uint16 MaxTownNoise() const
00125 {
00126 if (this->population == 0) return 0;
00127
00128
00129 return (this->population / _settings_game.economy.town_noise_population[_settings_game.difficulty.town_council_tolerance]) + 3;
00130 }
00131
00132 void UpdateVirtCoord();
00133
00134 static inline Town *GetByTile(TileIndex tile)
00135 {
00136 return Town::Get(GetTownIndex(tile));
00137 }
00138
00139 static Town *GetRandom();
00140 static void PostDestructor(size_t index);
00141 };
00142
00143 uint32 GetWorldPopulation();
00144
00145 void UpdateAllTownVirtCoords();
00146 void ShowTownViewWindow(TownID town);
00147 void ExpandTown(Town *t);
00148
00153 enum TownRatingCheckType {
00154 ROAD_REMOVE = 0,
00155 TUNNELBRIDGE_REMOVE = 1,
00156 TOWN_RATING_CHECK_TYPE_COUNT,
00157 };
00158
00166 enum TownFlags {
00167 TOWN_IS_FUNDED = 0,
00168 TOWN_HAS_CHURCH = 1,
00169 TOWN_HAS_STADIUM = 2,
00170 };
00171
00172 CommandCost CheckforTownRating(DoCommandFlag flags, Town *t, TownRatingCheckType type);
00173
00174
00175 TileIndexDiff GetHouseNorthPart(HouseID &house);
00176
00177 Town *CalcClosestTownFromTile(TileIndex tile, uint threshold = UINT_MAX);
00178
00179 #define FOR_ALL_TOWNS_FROM(var, start) FOR_ALL_ITEMS_FROM(Town, town_index, var, start)
00180 #define FOR_ALL_TOWNS(var) FOR_ALL_TOWNS_FROM(var, 0)
00181
00182 void ResetHouses();
00183
00184 void ClearTownHouse(Town *t, TileIndex tile);
00185 void UpdateTownMaxPass(Town *t);
00186 void UpdateTownRadius(Town *t);
00187 void UpdateTownCargoes(Town *t);
00188 void UpdateTownCargoTotal(Town *t);
00189 void UpdateTownCargoBitmap();
00190 CommandCost CheckIfAuthorityAllowsNewStation(TileIndex tile, DoCommandFlag flags);
00191 Town *ClosestTownFromTile(TileIndex tile, uint threshold);
00192 void ChangeTownRating(Town *t, int add, int max, DoCommandFlag flags);
00193 HouseZonesBits GetTownRadiusGroup(const Town *t, TileIndex tile);
00194 void SetTownRatingTestMode(bool mode);
00195 uint GetMaskOfTownActions(int *nump, CompanyID cid, const Town *t);
00196 bool GenerateTowns(TownLayout layout);
00197 const CargoSpec *FindFirstCargoWithTownEffect(TownEffect effect);
00198
00199
00201 enum TownActions {
00202 TACT_NONE = 0x00,
00203
00204 TACT_ADVERTISE_SMALL = 0x01,
00205 TACT_ADVERTISE_MEDIUM = 0x02,
00206 TACT_ADVERTISE_LARGE = 0x04,
00207 TACT_ROAD_REBUILD = 0x08,
00208 TACT_BUILD_STATUE = 0x10,
00209 TACT_FUND_BUILDINGS = 0x20,
00210 TACT_BUY_RIGHTS = 0x40,
00211 TACT_BRIBE = 0x80,
00212
00213 TACT_COUNT = 8,
00214
00215 TACT_ADVERTISE = TACT_ADVERTISE_SMALL | TACT_ADVERTISE_MEDIUM | TACT_ADVERTISE_LARGE,
00216 TACT_CONSTRUCTION = TACT_ROAD_REBUILD | TACT_BUILD_STATUE | TACT_FUND_BUILDINGS,
00217 TACT_FUNDS = TACT_BUY_RIGHTS | TACT_BRIBE,
00218 TACT_ALL = TACT_ADVERTISE | TACT_CONSTRUCTION | TACT_FUNDS,
00219 };
00220 DECLARE_ENUM_AS_BIT_SET(TownActions)
00221
00222 extern const byte _town_action_costs[TACT_COUNT];
00223 extern TownID _new_town_id;
00224
00230 template <class T>
00231 void MakeDefaultName(T *obj)
00232 {
00233
00234 assert(obj->name == NULL || obj->town_cn == UINT16_MAX);
00235
00236 obj->town = ClosestTownFromTile(obj->xy, UINT_MAX);
00237
00238
00239
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00243
00244
00245
00246
00247
00248
00249 uint32 used = 0;
00250 uint32 next = 0;
00251 uint32 idx = 0;
00252 uint32 cid = 0;
00253
00254 do {
00255 T *lobj = T::GetIfValid(cid);
00256
00257
00258 if (lobj != NULL && obj != lobj) {
00259
00260 if (lobj->town == obj->town && lobj->IsOfType(obj)) {
00261
00262 uint i = (uint)lobj->town_cn - next;
00263
00264 if (i < 32) {
00265 SetBit(used, i);
00266 if (i == 0) {
00267
00268
00269 do {
00270 used >>= 1;
00271 next++;
00272 } while (HasBit(used, 0));
00273
00274
00275
00276 idx = cid;
00277 }
00278 }
00279 }
00280 }
00281
00282 cid++;
00283 if (cid == T::GetPoolSize()) cid = 0;
00284 } while (cid != idx);
00285
00286 obj->town_cn = (uint16)next;
00287 }
00288
00289 extern uint32 _town_cargoes_accepted;
00290
00291 #endif