mirror of https://github.com/OpenTTD/OpenTTD.git
192 lines
6.9 KiB
C++
192 lines
6.9 KiB
C++
/* $Id$ */
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/** @file town_sl.cpp Code handling saving and loading of towns and houses */
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#include "../stdafx.h"
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#include "../newgrf_house.h"
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#include "../newgrf_commons.h"
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#include "../variables.h"
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#include "../town.h"
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#include "saveload.h"
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/**
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* Check and update town and house values.
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*
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* Checked are the HouseIDs. Updated are the
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* town population the number of houses per
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* town, the town radius and the max passengers
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* of the town.
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*/
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void UpdateHousesAndTowns()
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{
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Town *town;
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InitializeBuildingCounts();
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/* Reset town population and num_houses */
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FOR_ALL_TOWNS(town) {
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town->population = 0;
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town->num_houses = 0;
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}
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for (TileIndex t = 0; t < MapSize(); t++) {
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HouseID house_id;
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if (!IsTileType(t, MP_HOUSE)) continue;
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house_id = GetHouseType(t);
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if (!GetHouseSpecs(house_id)->enabled && house_id >= NEW_HOUSE_OFFSET) {
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/* The specs for this type of house are not available any more, so
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* replace it with the substitute original house type. */
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house_id = _house_mngr.GetSubstituteID(house_id);
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SetHouseType(t, house_id);
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}
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town = Town::GetByTile(t);
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IncreaseBuildingCount(town, house_id);
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if (IsHouseCompleted(t)) town->population += GetHouseSpecs(house_id)->population;
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/* Increase the number of houses for every house, but only once. */
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if (GetHouseNorthPart(house_id) == 0) town->num_houses++;
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}
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/* Update the population and num_house dependant values */
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FOR_ALL_TOWNS(town) {
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UpdateTownRadius(town);
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}
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}
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/** Save and load of towns. */
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static const SaveLoad _town_desc[] = {
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SLE_CONDVAR(Town, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
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SLE_CONDVAR(Town, xy, SLE_UINT32, 6, SL_MAX_VERSION),
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SLE_CONDNULL(2, 0, 2), ///< population, no longer in use
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SLE_CONDNULL(4, 3, 84), ///< population, no longer in use
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SLE_CONDNULL(2, 0, 91), ///< num_houses, no longer in use
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SLE_CONDVAR(Town, townnamegrfid, SLE_UINT32, 66, SL_MAX_VERSION),
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SLE_VAR(Town, townnametype, SLE_UINT16),
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SLE_VAR(Town, townnameparts, SLE_UINT32),
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SLE_CONDSTR(Town, name, SLE_STR, 0, 84, SL_MAX_VERSION),
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SLE_VAR(Town, flags, SLE_UINT8),
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SLE_CONDVAR(Town, statues, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
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SLE_CONDVAR(Town, statues, SLE_UINT16, 104, SL_MAX_VERSION),
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SLE_CONDNULL(1, 0, 1), ///< sort_index, no longer in use
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SLE_CONDVAR(Town, have_ratings, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
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SLE_CONDVAR(Town, have_ratings, SLE_UINT16, 104, SL_MAX_VERSION),
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SLE_CONDARR(Town, ratings, SLE_INT16, 8, 0, 103),
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SLE_CONDARR(Town, ratings, SLE_INT16, MAX_COMPANIES, 104, SL_MAX_VERSION),
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/* failed bribe attempts are stored since savegame format 4 */
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SLE_CONDARR(Town, unwanted, SLE_INT8, 8, 4, 103),
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SLE_CONDARR(Town, unwanted, SLE_INT8, MAX_COMPANIES, 104, SL_MAX_VERSION),
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SLE_CONDVAR(Town, max_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, max_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, new_max_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, new_max_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, act_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, act_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, new_act_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, new_act_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
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SLE_CONDVAR(Town, max_pass, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, max_mail, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, new_max_pass, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, new_max_mail, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, act_pass, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, act_mail, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, new_act_pass, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_CONDVAR(Town, new_act_mail, SLE_UINT32, 9, SL_MAX_VERSION),
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SLE_VAR(Town, pct_pass_transported, SLE_UINT8),
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SLE_VAR(Town, pct_mail_transported, SLE_UINT8),
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SLE_VAR(Town, act_food, SLE_UINT16),
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SLE_VAR(Town, act_water, SLE_UINT16),
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SLE_VAR(Town, new_act_food, SLE_UINT16),
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SLE_VAR(Town, new_act_water, SLE_UINT16),
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SLE_CONDVAR(Town, time_until_rebuild, SLE_FILE_U8 | SLE_VAR_U16, 0, 53),
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SLE_CONDVAR(Town, grow_counter, SLE_FILE_U8 | SLE_VAR_U16, 0, 53),
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SLE_CONDVAR(Town, growth_rate, SLE_FILE_U8 | SLE_VAR_I16, 0, 53),
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SLE_CONDVAR(Town, time_until_rebuild, SLE_UINT16, 54, SL_MAX_VERSION),
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SLE_CONDVAR(Town, grow_counter, SLE_UINT16, 54, SL_MAX_VERSION),
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SLE_CONDVAR(Town, growth_rate, SLE_INT16, 54, SL_MAX_VERSION),
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SLE_VAR(Town, fund_buildings_months, SLE_UINT8),
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SLE_VAR(Town, road_build_months, SLE_UINT8),
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SLE_CONDVAR(Town, exclusivity, SLE_UINT8, 2, SL_MAX_VERSION),
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SLE_CONDVAR(Town, exclusive_counter, SLE_UINT8, 2, SL_MAX_VERSION),
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SLE_CONDVAR(Town, larger_town, SLE_BOOL, 56, SL_MAX_VERSION),
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SLE_CONDVAR(Town, layout, SLE_UINT8, 113, SL_MAX_VERSION),
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/* reserve extra space in savegame here. (currently 30 bytes) */
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SLE_CONDNULL(30, 2, SL_MAX_VERSION),
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SLE_END()
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};
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/* Save and load the mapping between the house id on the map, and the grf file
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* it came from. */
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static const SaveLoad _house_id_mapping_desc[] = {
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SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
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SLE_VAR(EntityIDMapping, entity_id, SLE_UINT8),
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SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
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SLE_END()
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};
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static void Save_HOUSEIDS()
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{
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uint j = _house_mngr.GetMaxMapping();
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for (uint i = 0; i < j; i++) {
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SlSetArrayIndex(i);
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SlObject(&_house_mngr.mapping_ID[i], _house_id_mapping_desc);
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}
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}
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static void Load_HOUSEIDS()
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{
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int index;
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_house_mngr.ResetMapping();
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uint max_id = _house_mngr.GetMaxMapping();
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while ((index = SlIterateArray()) != -1) {
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if ((uint)index >= max_id) break;
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SlObject(&_house_mngr.mapping_ID[index], _house_id_mapping_desc);
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}
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}
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static void Save_TOWN()
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{
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Town *t;
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FOR_ALL_TOWNS(t) {
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SlSetArrayIndex(t->index);
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SlObject(t, _town_desc);
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}
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}
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static void Load_TOWN()
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{
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int index;
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while ((index = SlIterateArray()) != -1) {
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Town *t = new (index) Town();
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SlObject(t, _town_desc);
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}
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}
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extern const ChunkHandler _town_chunk_handlers[] = {
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{ 'HIDS', Save_HOUSEIDS, Load_HOUSEIDS, NULL, CH_ARRAY },
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{ 'CITY', Save_TOWN, Load_TOWN, NULL, CH_ARRAY | CH_LAST},
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};
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