town_sl.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "../stdafx.h"
00013 #include "../newgrf_house.h"
00014 #include "../town.h"
00015 #include "../landscape.h"
00016 
00017 #include "saveload.h"
00018 #include "newgrf_sl.h"
00019 
00028 void UpdateHousesAndTowns()
00029 {
00030   Town *town;
00031   InitializeBuildingCounts();
00032 
00033   /* Reset town population and num_houses */
00034   FOR_ALL_TOWNS(town) {
00035     town->population = 0;
00036     town->num_houses = 0;
00037   }
00038 
00039   for (TileIndex t = 0; t < MapSize(); t++) {
00040     if (!IsTileType(t, MP_HOUSE)) continue;
00041 
00042     HouseID house_id = GetCleanHouseType(t);
00043     if (!HouseSpec::Get(house_id)->enabled && house_id >= NEW_HOUSE_OFFSET) {
00044       /* The specs for this type of house are not available any more, so
00045        * replace it with the substitute original house type. */
00046       house_id = _house_mngr.GetSubstituteID(house_id);
00047       SetHouseType(t, house_id);
00048     }
00049   }
00050 
00051   /* Check for cases when a NewGRF has set a wrong house substitute type. */
00052   for (TileIndex t = 0; t < MapSize(); t++) {
00053     if (!IsTileType(t, MP_HOUSE)) continue;
00054 
00055     HouseID house_type = GetCleanHouseType(t);
00056     TileIndex north_tile = t + GetHouseNorthPart(house_type); // modifies 'house_type'!
00057     if (t == north_tile) {
00058       const HouseSpec *hs = HouseSpec::Get(house_type);
00059       bool valid_house = true;
00060       if (hs->building_flags & TILE_SIZE_2x1) {
00061         TileIndex tile = t + TileDiffXY(1, 0);
00062         if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
00063       } else if (hs->building_flags & TILE_SIZE_1x2) {
00064         TileIndex tile = t + TileDiffXY(0, 1);
00065         if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
00066       } else if (hs->building_flags & TILE_SIZE_2x2) {
00067         TileIndex tile = t + TileDiffXY(0, 1);
00068         if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
00069         tile = t + TileDiffXY(1, 0);
00070         if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 2) valid_house = false;
00071         tile = t + TileDiffXY(1, 1);
00072         if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 3) valid_house = false;
00073       }
00074       /* If not all tiles of this house are present remove the house.
00075        * The other tiles will get removed later in this loop because
00076        * their north tile is not the correct type anymore. */
00077       if (!valid_house) DoClearSquare(t);
00078     } else if (!IsTileType(north_tile, MP_HOUSE) || GetCleanHouseType(north_tile) != house_type) {
00079       /* This tile should be part of a multi-tile building but the
00080        * north tile of this house isn't on the map. */
00081       DoClearSquare(t);
00082     }
00083   }
00084 
00085   for (TileIndex t = 0; t < MapSize(); t++) {
00086     if (!IsTileType(t, MP_HOUSE)) continue;
00087 
00088     HouseID house_id = GetCleanHouseType(t);
00089     town = Town::GetByTile(t);
00090     IncreaseBuildingCount(town, house_id);
00091     if (IsHouseCompleted(t)) town->population += HouseSpec::Get(house_id)->population;
00092 
00093     /* Increase the number of houses for every house, but only once. */
00094     if (GetHouseNorthPart(house_id) == 0) town->num_houses++;
00095   }
00096 
00097   /* Update the population and num_house dependant values */
00098   FOR_ALL_TOWNS(town) {
00099     UpdateTownRadius(town);
00100     UpdateTownCargos(town);
00101   }
00102   UpdateTownCargoBitmap();
00103 }
00104 
00106 static const SaveLoad _town_desc[] = {
00107   SLE_CONDVAR(Town, xy,                    SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
00108   SLE_CONDVAR(Town, xy,                    SLE_UINT32,                 6, SL_MAX_VERSION),
00109 
00110   SLE_CONDNULL(2, 0, 2),                   
00111   SLE_CONDNULL(4, 3, 84),                  
00112   SLE_CONDNULL(2, 0, 91),                  
00113 
00114   SLE_CONDVAR(Town, townnamegrfid,         SLE_UINT32, 66, SL_MAX_VERSION),
00115       SLE_VAR(Town, townnametype,          SLE_UINT16),
00116       SLE_VAR(Town, townnameparts,         SLE_UINT32),
00117   SLE_CONDSTR(Town, name,                  SLE_STR, 0, 84, SL_MAX_VERSION),
00118 
00119       SLE_VAR(Town, flags,                 SLE_UINT8),
00120   SLE_CONDVAR(Town, statues,               SLE_FILE_U8  | SLE_VAR_U16, 0, 103),
00121   SLE_CONDVAR(Town, statues,               SLE_UINT16,               104, SL_MAX_VERSION),
00122 
00123   SLE_CONDNULL(1, 0, 1),                   
00124 
00125   SLE_CONDVAR(Town, have_ratings,          SLE_FILE_U8  | SLE_VAR_U16, 0, 103),
00126   SLE_CONDVAR(Town, have_ratings,          SLE_UINT16,               104, SL_MAX_VERSION),
00127   SLE_CONDARR(Town, ratings,               SLE_INT16, 8,               0, 103),
00128   SLE_CONDARR(Town, ratings,               SLE_INT16, MAX_COMPANIES, 104, SL_MAX_VERSION),
00129   /* failed bribe attempts are stored since savegame format 4 */
00130   SLE_CONDARR(Town, unwanted,              SLE_INT8,  8,               4, 103),
00131   SLE_CONDARR(Town, unwanted,              SLE_INT8,  MAX_COMPANIES, 104, SL_MAX_VERSION),
00132 
00133   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_max, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00134   SLE_CONDVAR(Town, supplied[CT_MAIL].old_max,       SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00135   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_max, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00136   SLE_CONDVAR(Town, supplied[CT_MAIL].new_max,       SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00137   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_act, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00138   SLE_CONDVAR(Town, supplied[CT_MAIL].old_act,       SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00139   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_act, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00140   SLE_CONDVAR(Town, supplied[CT_MAIL].new_act,       SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00141 
00142   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_max, SLE_UINT32,                 9, 164),
00143   SLE_CONDVAR(Town, supplied[CT_MAIL].old_max,       SLE_UINT32,                 9, 164),
00144   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_max, SLE_UINT32,                 9, 164),
00145   SLE_CONDVAR(Town, supplied[CT_MAIL].new_max,       SLE_UINT32,                 9, 164),
00146   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_act, SLE_UINT32,                 9, 164),
00147   SLE_CONDVAR(Town, supplied[CT_MAIL].old_act,       SLE_UINT32,                 9, 164),
00148   SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_act, SLE_UINT32,                 9, 164),
00149   SLE_CONDVAR(Town, supplied[CT_MAIL].new_act,       SLE_UINT32,                 9, 164),
00150 
00151   SLE_CONDNULL(2, 0, 163),                 
00152 
00153   SLE_CONDVAR(Town, received[TE_FOOD].old_act,       SLE_UINT16,                 0, 164),
00154   SLE_CONDVAR(Town, received[TE_WATER].old_act,      SLE_UINT16,                 0, 164),
00155   SLE_CONDVAR(Town, received[TE_FOOD].new_act,       SLE_UINT16,                 0, 164),
00156   SLE_CONDVAR(Town, received[TE_WATER].new_act,      SLE_UINT16,                 0, 164),
00157 
00158   SLE_CONDARR(Town, goal, SLE_UINT32, NUM_TE, 165, SL_MAX_VERSION),
00159 
00160   SLE_CONDVAR(Town, time_until_rebuild,    SLE_FILE_U8 | SLE_VAR_U16,  0, 53),
00161   SLE_CONDVAR(Town, grow_counter,          SLE_FILE_U8 | SLE_VAR_U16,  0, 53),
00162   SLE_CONDVAR(Town, growth_rate,           SLE_FILE_U8 | SLE_VAR_I16,  0, 53),
00163 
00164   SLE_CONDVAR(Town, time_until_rebuild,    SLE_UINT16,                54, SL_MAX_VERSION),
00165   SLE_CONDVAR(Town, grow_counter,          SLE_UINT16,                54, SL_MAX_VERSION),
00166 
00167   SLE_CONDVAR(Town, growth_rate,           SLE_FILE_I16 | SLE_VAR_U16, 54, 164),
00168   SLE_CONDVAR(Town, growth_rate,           SLE_UINT16,                 165, SL_MAX_VERSION),
00169 
00170       SLE_VAR(Town, fund_buildings_months, SLE_UINT8),
00171       SLE_VAR(Town, road_build_months,     SLE_UINT8),
00172 
00173   SLE_CONDVAR(Town, exclusivity,           SLE_UINT8,                  2, SL_MAX_VERSION),
00174   SLE_CONDVAR(Town, exclusive_counter,     SLE_UINT8,                  2, SL_MAX_VERSION),
00175 
00176   SLE_CONDVAR(Town, larger_town,           SLE_BOOL,                  56, SL_MAX_VERSION),
00177   SLE_CONDVAR(Town, layout,                SLE_UINT8,                113, SL_MAX_VERSION),
00178 
00179   SLE_CONDLST(Town, psa_list,            REF_STORAGE,                161, SL_MAX_VERSION),
00180 
00181   SLE_CONDVAR(Town, cargo_produced,       SLE_UINT32,                166, SL_MAX_VERSION),
00182 
00183   /* reserve extra space in savegame here. (currently 30 bytes) */
00184   SLE_CONDNULL(30, 2, SL_MAX_VERSION),
00185 
00186   SLE_END()
00187 };
00188 
00189 static const SaveLoad _town_supplied_desc[] = {
00190   SLE_CONDVAR(TransportedCargoStat<uint32>, old_max, SLE_UINT32, 165, SL_MAX_VERSION),
00191   SLE_CONDVAR(TransportedCargoStat<uint32>, new_max, SLE_UINT32, 165, SL_MAX_VERSION),
00192   SLE_CONDVAR(TransportedCargoStat<uint32>, old_act, SLE_UINT32, 165, SL_MAX_VERSION),
00193   SLE_CONDVAR(TransportedCargoStat<uint32>, new_act, SLE_UINT32, 165, SL_MAX_VERSION),
00194 
00195   SLE_END()
00196 };
00197 
00198 static const SaveLoad _town_received_desc[] = {
00199   SLE_CONDVAR(TransportedCargoStat<uint16>, old_max, SLE_UINT16, 165, SL_MAX_VERSION),
00200   SLE_CONDVAR(TransportedCargoStat<uint16>, new_max, SLE_UINT16, 165, SL_MAX_VERSION),
00201   SLE_CONDVAR(TransportedCargoStat<uint16>, old_act, SLE_UINT16, 165, SL_MAX_VERSION),
00202   SLE_CONDVAR(TransportedCargoStat<uint16>, new_act, SLE_UINT16, 165, SL_MAX_VERSION),
00203 
00204   SLE_END()
00205 };
00206 
00207 static void Save_HIDS()
00208 {
00209   Save_NewGRFMapping(_house_mngr);
00210 }
00211 
00212 static void Load_HIDS()
00213 {
00214   Load_NewGRFMapping(_house_mngr);
00215 }
00216 
00217 const SaveLoad *GetTileMatrixDesc()
00218 {
00219   /* Here due to private member vars. */
00220   static const SaveLoad _tilematrix_desc[] = {
00221     SLE_VAR(AcceptanceMatrix, area.tile, SLE_UINT32),
00222     SLE_VAR(AcceptanceMatrix, area.w,    SLE_UINT16),
00223     SLE_VAR(AcceptanceMatrix, area.h,    SLE_UINT16),
00224     SLE_END()
00225   };
00226 
00227   return _tilematrix_desc;
00228 }
00229 
00230 static void RealSave_Town(Town *t)
00231 {
00232   SlObject(t, _town_desc);
00233 
00234   for (CargoID i = 0; i < NUM_CARGO; i++) {
00235     SlObject(&t->supplied[i], _town_supplied_desc);
00236   }
00237   for (int i = TE_BEGIN; i < NUM_TE; i++) {
00238     SlObject(&t->received[i], _town_received_desc);
00239   }
00240 
00241   if (IsSavegameVersionBefore(166)) return;
00242 
00243   SlObject(&t->cargo_accepted, GetTileMatrixDesc());
00244   if (t->cargo_accepted.area.w != 0) {
00245     uint arr_len = t->cargo_accepted.area.w / AcceptanceMatrix::GRID * t->cargo_accepted.area.h / AcceptanceMatrix::GRID;
00246     SlArray(t->cargo_accepted.data, arr_len, SLE_UINT32);
00247   }
00248 }
00249 
00250 static void Save_TOWN()
00251 {
00252   Town *t;
00253 
00254   FOR_ALL_TOWNS(t) {
00255     SlSetArrayIndex(t->index);
00256     SlAutolength((AutolengthProc*)RealSave_Town, t);
00257   }
00258 }
00259 
00260 static void Load_TOWN()
00261 {
00262   int index;
00263 
00264   while ((index = SlIterateArray()) != -1) {
00265     Town *t = new (index) Town();
00266     SlObject(t, _town_desc);
00267 
00268     for (CargoID i = 0; i < NUM_CARGO; i++) {
00269       SlObject(&t->supplied[i], _town_supplied_desc);
00270     }
00271     for (int i = TE_BEGIN; i < TE_END; i++) {
00272       SlObject(&t->received[i], _town_received_desc);
00273     }
00274 
00275     if (t->townnamegrfid == 0 && !IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
00276       SlErrorCorrupt("Invalid town name generator");
00277     }
00278 
00279     if (IsSavegameVersionBefore(166)) continue;
00280 
00281     SlObject(&t->cargo_accepted, GetTileMatrixDesc());
00282     if (t->cargo_accepted.area.w != 0) {
00283       uint arr_len = t->cargo_accepted.area.w / AcceptanceMatrix::GRID * t->cargo_accepted.area.h / AcceptanceMatrix::GRID;
00284       t->cargo_accepted.data = MallocT<uint32>(arr_len);
00285       SlArray(t->cargo_accepted.data, arr_len, SLE_UINT32);
00286 
00287       /* Rebuild total cargo acceptance. */
00288       UpdateTownCargoTotal(t);
00289     }
00290   }
00291 }
00292 
00294 static void Ptrs_TOWN()
00295 {
00296   /* Don't run when savegame version lower than 161. */
00297   if (IsSavegameVersionBefore(161)) return;
00298 
00299   Town *t;
00300   FOR_ALL_TOWNS(t) {
00301     SlObject(t, _town_desc);
00302   }
00303 }
00304 
00306 extern const ChunkHandler _town_chunk_handlers[] = {
00307   { 'HIDS', Save_HIDS, Load_HIDS,      NULL, NULL, CH_ARRAY },
00308   { 'CITY', Save_TOWN, Load_TOWN, Ptrs_TOWN, NULL, CH_ARRAY | CH_LAST},
00309 };