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   }
00101 }
00102 
00104 static const SaveLoad _town_desc[] = {
00105   SLE_CONDVAR(Town, xy,                    SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
00106   SLE_CONDVAR(Town, xy,                    SLE_UINT32,                 6, SL_MAX_VERSION),
00107 
00108   SLE_CONDNULL(2, 0, 2),                   
00109   SLE_CONDNULL(4, 3, 84),                  
00110   SLE_CONDNULL(2, 0, 91),                  
00111 
00112   SLE_CONDVAR(Town, townnamegrfid,         SLE_UINT32, 66, SL_MAX_VERSION),
00113       SLE_VAR(Town, townnametype,          SLE_UINT16),
00114       SLE_VAR(Town, townnameparts,         SLE_UINT32),
00115   SLE_CONDSTR(Town, name,                  SLE_STR, 0, 84, SL_MAX_VERSION),
00116 
00117       SLE_VAR(Town, flags,                 SLE_UINT8),
00118   SLE_CONDVAR(Town, statues,               SLE_FILE_U8  | SLE_VAR_U16, 0, 103),
00119   SLE_CONDVAR(Town, statues,               SLE_UINT16,               104, SL_MAX_VERSION),
00120 
00121   SLE_CONDNULL(1, 0, 1),                   
00122 
00123   SLE_CONDVAR(Town, have_ratings,          SLE_FILE_U8  | SLE_VAR_U16, 0, 103),
00124   SLE_CONDVAR(Town, have_ratings,          SLE_UINT16,               104, SL_MAX_VERSION),
00125   SLE_CONDARR(Town, ratings,               SLE_INT16, 8,               0, 103),
00126   SLE_CONDARR(Town, ratings,               SLE_INT16, MAX_COMPANIES, 104, SL_MAX_VERSION),
00127   /* failed bribe attempts are stored since savegame format 4 */
00128   SLE_CONDARR(Town, unwanted,              SLE_INT8,  8,               4, 103),
00129   SLE_CONDARR(Town, unwanted,              SLE_INT8,  MAX_COMPANIES, 104, SL_MAX_VERSION),
00130 
00131   SLE_CONDVAR(Town, max_pass,              SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00132   SLE_CONDVAR(Town, max_mail,              SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00133   SLE_CONDVAR(Town, new_max_pass,          SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00134   SLE_CONDVAR(Town, new_max_mail,          SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00135   SLE_CONDVAR(Town, act_pass,              SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00136   SLE_CONDVAR(Town, act_mail,              SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00137   SLE_CONDVAR(Town, new_act_pass,          SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00138   SLE_CONDVAR(Town, new_act_mail,          SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
00139 
00140   SLE_CONDVAR(Town, gen_max_pass,          SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00141   SLE_CONDVAR(Town, max_pass,              SLE_UINT32,                 9, SL_MAX_VERSION),
00142   SLE_CONDVAR(Town, gen_max_mail,          SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00143   SLE_CONDVAR(Town, max_mail,              SLE_UINT32,                 9, SL_MAX_VERSION),
00144   SLE_CONDVAR(Town, max_goods,             SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00145   SLE_CONDVAR(Town, new_gen_max_pass,      SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00146   SLE_CONDVAR(Town, new_max_pass,          SLE_UINT32,                 9, SL_MAX_VERSION),
00147   SLE_CONDVAR(Town, new_gen_max_mail,      SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00148   SLE_CONDVAR(Town, new_max_mail,          SLE_UINT32,                 9, SL_MAX_VERSION),
00149   SLE_CONDVAR(Town, new_max_goods,         SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00150   SLE_CONDVAR(Town, gen_act_pass,          SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00151   SLE_CONDVAR(Town, act_pass,              SLE_UINT32,                 9, SL_MAX_VERSION),
00152   SLE_CONDVAR(Town, gen_act_mail,          SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00153   SLE_CONDVAR(Town, act_mail,              SLE_UINT32,                 9, SL_MAX_VERSION),
00154   SLE_CONDVAR(Town, new_gen_act_pass,      SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00155   SLE_CONDVAR(Town, new_act_pass,          SLE_UINT32,                 9, SL_MAX_VERSION),
00156   SLE_CONDVAR(Town, new_gen_act_mail,      SLE_UINT32,                 TOWN_GROWTH_SV, SL_MAX_VERSION),
00157   SLE_CONDVAR(Town, new_act_mail,          SLE_UINT32,                 9, SL_MAX_VERSION),
00158 
00159       SLE_VAR(Town, pct_pass_transported,  SLE_UINT8),
00160       SLE_VAR(Town, pct_mail_transported,  SLE_UINT8),
00161   SLE_CONDVAR(Town, pct_food_transported,  SLE_UINT8,                  TOWN_GROWTH_SV, SL_MAX_VERSION),
00162   SLE_CONDVAR(Town, pct_water_transported, SLE_UINT8,                  TOWN_GROWTH_SV, SL_MAX_VERSION),
00163   SLE_CONDVAR(Town, pct_goods_transported, SLE_UINT8,                  TOWN_GROWTH_SV, SL_MAX_VERSION),
00164 
00165       SLE_VAR(Town, act_food,              SLE_UINT16),
00166       SLE_VAR(Town, act_water,             SLE_UINT16),
00167   SLE_CONDVAR(Town, act_goods,              SLE_UINT16,                TOWN_GROWTH_SV, SL_MAX_VERSION),
00168       SLE_VAR(Town, new_act_food,          SLE_UINT16),
00169       SLE_VAR(Town, new_act_water,         SLE_UINT16),
00170   SLE_CONDVAR(Town, new_act_goods,          SLE_UINT16,                TOWN_GROWTH_SV, SL_MAX_VERSION),
00171 
00172   SLE_CONDVAR(Town, time_until_rebuild,    SLE_FILE_U8 | SLE_VAR_U16,  0, 53),
00173   SLE_CONDVAR(Town, grow_counter,          SLE_FILE_U8 | SLE_VAR_U16,  0, 53),
00174   SLE_CONDVAR(Town, growth_rate,           SLE_FILE_U8 | SLE_VAR_I16,  0, 53),
00175 
00176   SLE_CONDVAR(Town, time_until_rebuild,    SLE_UINT16,                54, SL_MAX_VERSION),
00177   SLE_CONDVAR(Town, grow_counter,          SLE_UINT16,                54, SL_MAX_VERSION),
00178   SLE_CONDVAR(Town, growth_rate,           SLE_INT16,                 54, SL_MAX_VERSION),
00179 
00180       SLE_VAR(Town, fund_buildings_months, SLE_UINT8),
00181       SLE_VAR(Town, road_build_months,     SLE_UINT8),
00182 
00183   SLE_CONDVAR(Town, exclusivity,           SLE_UINT8,                  2, SL_MAX_VERSION),
00184   SLE_CONDVAR(Town, exclusive_counter,     SLE_UINT8,                  2, EXCLUSIVE_DL_SL - 1),
00185   SLE_CONDVAR(Town, exclusive_counter,     SLE_UINT16,   EXCLUSIVE_DL_SL, SL_MAX_VERSION),
00186 
00187   SLE_CONDVAR(Town, larger_town,           SLE_BOOL,                  56, SL_MAX_VERSION),
00188   SLE_CONDVAR(Town, layout,                SLE_UINT8,                113, SL_MAX_VERSION),
00189 
00190   /* reserve extra space in savegame here. (currently 30 bytes) */
00191   SLE_CONDNULL(30, 2, SL_MAX_VERSION),
00192 
00193   SLE_END()
00194 };
00195 
00196 static void Save_HIDS()
00197 {
00198   Save_NewGRFMapping(_house_mngr);
00199 }
00200 
00201 static void Load_HIDS()
00202 {
00203   Load_NewGRFMapping(_house_mngr);
00204 }
00205 
00206 static void Save_TOWN()
00207 {
00208   Town *t;
00209 
00210   FOR_ALL_TOWNS(t) {
00211     SlSetArrayIndex(t->index);
00212     SlObject(t, _town_desc);
00213   }
00214 }
00215 
00216 static void Load_TOWN()
00217 {
00218   int index;
00219 
00220   while ((index = SlIterateArray()) != -1) {
00221     Town *t = new (index) Town();
00222     SlObject(t, _town_desc);
00223   }
00224 }
00225 
00226 extern const ChunkHandler _town_chunk_handlers[] = {
00227   { 'HIDS', Save_HIDS, Load_HIDS, NULL, NULL, CH_ARRAY },
00228   { 'CITY', Save_TOWN, Load_TOWN, NULL, NULL, CH_ARRAY | CH_LAST},
00229 };