OpenTTD: src/saveload/town_sl.cpp Source File

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town_sl.cpp
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1 /* $Id: town_sl.cpp 27756 2017-02-26 19:40:53Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #include "../stdafx.h"
13 #include "../newgrf_house.h"
14 #include "../town.h"
15 #include "../landscape.h"
16 #include "../subsidy_func.h"
17 #include "../strings_func.h"
18
19 #include "saveload.h"
20 #include "newgrf_sl.h"
21
22 #include "../safeguards.h"
23
27 void RebuildTownCaches()
28 {
29 Town *town;
30 InitializeBuildingCounts();
31
32 /* Reset town population and num_houses */
33 FOR_ALL_TOWNS(town) {
34 town->cache.population = 0;
35 town->cache.num_houses = 0;
36 }
37
38 for (TileIndex t = 0; t < MapSize(); t++) {
39 if (!IsTileType(t, MP_HOUSE)) continue;
40
41 HouseID house_id = GetHouseType(t);
42 town = Town::GetByTile(t);
43 IncreaseBuildingCount(town, house_id);
44 if (IsHouseCompleted(t)) town->cache.population += HouseSpec::Get(house_id)->population;
45
46 /* Increase the number of houses for every house, but only once. */
47 if (GetHouseNorthPart(house_id) == 0) town->cache.num_houses++;
48 }
49
50 /* Update the population and num_house dependent values */
51 FOR_ALL_TOWNS(town) {
52 UpdateTownRadius(town);
53 UpdateTownCargoes(town);
54 }
55 UpdateTownCargoBitmap();
56 }
57
66 void UpdateHousesAndTowns()
67 {
68 for (TileIndex t = 0; t < MapSize(); t++) {
69 if (!IsTileType(t, MP_HOUSE)) continue;
70
71 HouseID house_id = GetCleanHouseType(t);
72 if (!HouseSpec::Get(house_id)->enabled && house_id >= NEW_HOUSE_OFFSET) {
73 /* The specs for this type of house are not available any more, so
74 * replace it with the substitute original house type. */
75 house_id = _house_mngr.GetSubstituteID(house_id);
76 SetHouseType(t, house_id);
77 }
78 }
79
80 /* Check for cases when a NewGRF has set a wrong house substitute type. */
81 for (TileIndex t = 0; t < MapSize(); t++) {
82 if (!IsTileType(t, MP_HOUSE)) continue;
83
84 HouseID house_type = GetCleanHouseType(t);
85 TileIndex north_tile = t + GetHouseNorthPart(house_type); // modifies 'house_type'!
86 if (t == north_tile) {
87 const HouseSpec *hs = HouseSpec::Get(house_type);
88 bool valid_house = true;
89 if (hs->building_flags & TILE_SIZE_2x1) {
90 TileIndex tile = t + TileDiffXY(1, 0);
91 if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
92 } else if (hs->building_flags & TILE_SIZE_1x2) {
93 TileIndex tile = t + TileDiffXY(0, 1);
94 if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
95 } else if (hs->building_flags & TILE_SIZE_2x2) {
96 TileIndex tile = t + TileDiffXY(0, 1);
97 if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
98 tile = t + TileDiffXY(1, 0);
99 if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 2) valid_house = false;
100 tile = t + TileDiffXY(1, 1);
101 if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 3) valid_house = false;
102 }
103 /* If not all tiles of this house are present remove the house.
104 * The other tiles will get removed later in this loop because
105 * their north tile is not the correct type anymore. */
106 if (!valid_house) DoClearSquare(t);
107 } else if (!IsTileType(north_tile, MP_HOUSE) || GetCleanHouseType(north_tile) != house_type) {
108 /* This tile should be part of a multi-tile building but the
109 * north tile of this house isn't on the map. */
110 DoClearSquare(t);
111 }
112 }
113
114 RebuildTownCaches();
115 }
116
118 static const SaveLoad _town_desc[] = {
119 SLE_CONDVAR(Town, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
120 SLE_CONDVAR(Town, xy, SLE_UINT32, 6, SL_MAX_VERSION),
121
122 SLE_CONDNULL(2, 0, 2),
123 SLE_CONDNULL(4, 3, 84),
124 SLE_CONDNULL(2, 0, 91),
125
126 SLE_CONDVAR(Town, townnamegrfid, SLE_UINT32, 66, SL_MAX_VERSION),
127 SLE_VAR(Town, townnametype, SLE_UINT16),
128 SLE_VAR(Town, townnameparts, SLE_UINT32),
129 SLE_CONDSTR(Town, name, SLE_STR | SLF_ALLOW_CONTROL, 0, 84, SL_MAX_VERSION),
130
131 SLE_VAR(Town, flags, SLE_UINT8),
132 SLE_CONDVAR(Town, statues, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
133 SLE_CONDVAR(Town, statues, SLE_UINT16, 104, SL_MAX_VERSION),
134
135 SLE_CONDNULL(1, 0, 1),
136
137 SLE_CONDVAR(Town, have_ratings, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
138 SLE_CONDVAR(Town, have_ratings, SLE_UINT16, 104, SL_MAX_VERSION),
139 SLE_CONDARR(Town, ratings, SLE_INT16, 8, 0, 103),
140 SLE_CONDARR(Town, ratings, SLE_INT16, MAX_COMPANIES, 104, SL_MAX_VERSION),
141 /* failed bribe attempts are stored since savegame format 4 */
142 SLE_CONDARR(Town, unwanted, SLE_INT8, 8, 4, 103),
143 SLE_CONDARR(Town, unwanted, SLE_INT8, MAX_COMPANIES, 104, SL_MAX_VERSION),
144
145 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_max, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
146 SLE_CONDVAR(Town, supplied[CT_MAIL].old_max, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
147 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_max, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
148 SLE_CONDVAR(Town, supplied[CT_MAIL].new_max, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
149 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_act, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
150 SLE_CONDVAR(Town, supplied[CT_MAIL].old_act, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
151 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_act, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
152 SLE_CONDVAR(Town, supplied[CT_MAIL].new_act, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
153
154 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_max, SLE_UINT32, 9, 164),
155 SLE_CONDVAR(Town, supplied[CT_MAIL].old_max, SLE_UINT32, 9, 164),
156 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_max, SLE_UINT32, 9, 164),
157 SLE_CONDVAR(Town, supplied[CT_MAIL].new_max, SLE_UINT32, 9, 164),
158 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_act, SLE_UINT32, 9, 164),
159 SLE_CONDVAR(Town, supplied[CT_MAIL].old_act, SLE_UINT32, 9, 164),
160 SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_act, SLE_UINT32, 9, 164),
161 SLE_CONDVAR(Town, supplied[CT_MAIL].new_act, SLE_UINT32, 9, 164),
162
163 SLE_CONDNULL(2, 0, 163),
164
165 SLE_CONDVAR(Town, received[TE_FOOD].old_act, SLE_UINT16, 0, 164),
166 SLE_CONDVAR(Town, received[TE_WATER].old_act, SLE_UINT16, 0, 164),
167 SLE_CONDVAR(Town, received[TE_FOOD].new_act, SLE_UINT16, 0, 164),
168 SLE_CONDVAR(Town, received[TE_WATER].new_act, SLE_UINT16, 0, 164),
169
170 SLE_CONDARR(Town, goal, SLE_UINT32, NUM_TE, 165, SL_MAX_VERSION),
171
172 SLE_CONDSTR(Town, text, SLE_STR | SLF_ALLOW_CONTROL, 0, 168, SL_MAX_VERSION),
173
174 SLE_CONDVAR(Town, time_until_rebuild, SLE_FILE_U8 | SLE_VAR_U16, 0, 53),
175 SLE_CONDVAR(Town, grow_counter, SLE_FILE_U8 | SLE_VAR_U16, 0, 53),
176 SLE_CONDVAR(Town, growth_rate, SLE_FILE_U8 | SLE_VAR_I16, 0, 53),
177
178 SLE_CONDVAR(Town, time_until_rebuild, SLE_UINT16, 54, SL_MAX_VERSION),
179 SLE_CONDVAR(Town, grow_counter, SLE_UINT16, 54, SL_MAX_VERSION),
180
181 SLE_CONDVAR(Town, growth_rate, SLE_FILE_I16 | SLE_VAR_U16, 54, 164),
182 SLE_CONDVAR(Town, growth_rate, SLE_UINT16, 165, SL_MAX_VERSION),
183
184 SLE_VAR(Town, fund_buildings_months, SLE_UINT8),
185 SLE_VAR(Town, road_build_months, SLE_UINT8),
186
187 SLE_CONDVAR(Town, exclusivity, SLE_UINT8, 2, SL_MAX_VERSION),
188 SLE_CONDVAR(Town, exclusive_counter, SLE_UINT8, 2, SL_MAX_VERSION),
189
190 SLE_CONDVAR(Town, larger_town, SLE_BOOL, 56, SL_MAX_VERSION),
191 SLE_CONDVAR(Town, layout, SLE_UINT8, 113, SL_MAX_VERSION),
192
193 SLE_CONDLST(Town, psa_list, REF_STORAGE, 161, SL_MAX_VERSION),
194
195 SLE_CONDVAR(Town, cargo_produced, SLE_UINT32, 166, SL_MAX_VERSION),
196
197 /* reserve extra space in savegame here. (currently 30 bytes) */
198 SLE_CONDNULL(30, 2, SL_MAX_VERSION),
199
200 SLE_END()
201 };
202
203 static const SaveLoad _town_supplied_desc[] = {
204 SLE_CONDVAR(TransportedCargoStat<uint32>, old_max, SLE_UINT32, 165, SL_MAX_VERSION),
205 SLE_CONDVAR(TransportedCargoStat<uint32>, new_max, SLE_UINT32, 165, SL_MAX_VERSION),
206 SLE_CONDVAR(TransportedCargoStat<uint32>, old_act, SLE_UINT32, 165, SL_MAX_VERSION),
207 SLE_CONDVAR(TransportedCargoStat<uint32>, new_act, SLE_UINT32, 165, SL_MAX_VERSION),
208
209 SLE_END()
210 };
211
212 static const SaveLoad _town_received_desc[] = {
213 SLE_CONDVAR(TransportedCargoStat<uint16>, old_max, SLE_UINT16, 165, SL_MAX_VERSION),
214 SLE_CONDVAR(TransportedCargoStat<uint16>, new_max, SLE_UINT16, 165, SL_MAX_VERSION),
215 SLE_CONDVAR(TransportedCargoStat<uint16>, old_act, SLE_UINT16, 165, SL_MAX_VERSION),
216 SLE_CONDVAR(TransportedCargoStat<uint16>, new_act, SLE_UINT16, 165, SL_MAX_VERSION),
217
218 SLE_END()
219 };
220
221 static void Save_HIDS()
222 {
223 Save_NewGRFMapping(_house_mngr);
224 }
225
226 static void Load_HIDS()
227 {
228 Load_NewGRFMapping(_house_mngr);
229 }
230
231 const SaveLoad *GetTileMatrixDesc()
232 {
233 /* Here due to private member vars. */
234 static const SaveLoad _tilematrix_desc[] = {
235 SLE_VAR(AcceptanceMatrix, area.tile, SLE_UINT32),
236 SLE_VAR(AcceptanceMatrix, area.w, SLE_UINT16),
237 SLE_VAR(AcceptanceMatrix, area.h, SLE_UINT16),
238 SLE_END()
239 };
240
241 return _tilematrix_desc;
242 }
243
244 static void RealSave_Town(Town *t)
245 {
246 SlObject(t, _town_desc);
247
248 for (CargoID i = 0; i < NUM_CARGO; i++) {
249 SlObject(&t->supplied[i], _town_supplied_desc);
250 }
251 for (int i = TE_BEGIN; i < NUM_TE; i++) {
252 SlObject(&t->received[i], _town_received_desc);
253 }
254
255 if (IsSavegameVersionBefore(166)) return;
256
257 SlObject(&t->cargo_accepted, GetTileMatrixDesc());
258 if (t->cargo_accepted.area.w != 0) {
259 uint arr_len = t->cargo_accepted.area.w / AcceptanceMatrix::GRID * t->cargo_accepted.area.h / AcceptanceMatrix::GRID;
260 SlArray(t->cargo_accepted.data, arr_len, SLE_UINT32);
261 }
262 }
263
264 static void Save_TOWN()
265 {
266 Town *t;
267
268 FOR_ALL_TOWNS(t) {
269 SlSetArrayIndex(t->index);
270 SlAutolength((AutolengthProc*)RealSave_Town, t);
271 }
272 }
273
274 static void Load_TOWN()
275 {
276 int index;
277
278 while ((index = SlIterateArray()) != -1) {
279 Town *t = new (index) Town();
280 SlObject(t, _town_desc);
281
282 for (CargoID i = 0; i < NUM_CARGO; i++) {
283 SlObject(&t->supplied[i], _town_supplied_desc);
284 }
285 for (int i = TE_BEGIN; i < TE_END; i++) {
286 SlObject(&t->received[i], _town_received_desc);
287 }
288
289 if (t->townnamegrfid == 0 && !IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1) && GetStringTab(t->townnametype) != TEXT_TAB_OLD_CUSTOM) {
290 SlErrorCorrupt("Invalid town name generator");
291 }
292
293 if (IsSavegameVersionBefore(166)) continue;
294
295 SlObject(&t->cargo_accepted, GetTileMatrixDesc());
296 if (t->cargo_accepted.area.w != 0) {
297 uint arr_len = t->cargo_accepted.area.w / AcceptanceMatrix::GRID * t->cargo_accepted.area.h / AcceptanceMatrix::GRID;
298 t->cargo_accepted.data = MallocT<uint32>(arr_len);
299 SlArray(t->cargo_accepted.data, arr_len, SLE_UINT32);
300
301 /* Rebuild total cargo acceptance. */
302 UpdateTownCargoTotal(t);
303 }
304 }
305 }
306
308 static void Ptrs_TOWN()
309 {
310 /* Don't run when savegame version lower than 161. */
311 if (IsSavegameVersionBefore(161)) return;
312
313 Town *t;
314 FOR_ALL_TOWNS(t) {
315 SlObject(t, _town_desc);
316 }
317 }
318
320 extern const ChunkHandler _town_chunk_handlers[] = {
321 { 'HIDS', Save_HIDS, Load_HIDS, NULL, NULL, CH_ARRAY },
322 { 'CITY', Save_TOWN, Load_TOWN, Ptrs_TOWN, NULL, CH_ARRAY | CH_LAST},
323 };