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/* $Id$ */
/** @file town_sl.cpp Code handling saving and loading of towns and houses */
#include "../stdafx.h"
#include "../newgrf_house.h"
#include "../newgrf_commons.h"
#include "../variables.h"
#include "../town_map.h"
#include "saveload.h"
extern uint _total_towns;
/**
* Check and update town and house values.
*
* Checked are the HouseIDs. Updated are the
* town population the number of houses per
* town, the town radius and the max passengers
* of the town.
*/
void UpdateHousesAndTowns()
{
Town *town;
InitializeBuildingCounts();
/* Reset town population and num_houses */
FOR_ALL_TOWNS(town) {
town->population = 0;
town->num_houses = 0;
}
for (TileIndex t = 0; t < MapSize(); t++) {
HouseID house_id;
if (!IsTileType(t, MP_HOUSE)) continue;
house_id = GetHouseType(t);
if (!GetHouseSpecs(house_id)->enabled && house_id >= NEW_HOUSE_OFFSET) {
/* The specs for this type of house are not available any more, so
* replace it with the substitute original house type. */
house_id = _house_mngr.GetSubstituteID(house_id);
SetHouseType(t, house_id);
}
town = GetTownByTile(t);
IncreaseBuildingCount(town, house_id);
if (IsHouseCompleted(t)) town->population += GetHouseSpecs(house_id)->population;
/* Increase the number of houses for every house, but only once. */
if (GetHouseNorthPart(house_id) == 0) town->num_houses++;
}
/* Update the population and num_house dependant values */
FOR_ALL_TOWNS(town) {
UpdateTownRadius(town);
UpdateTownMaxPass(town);
}
}
/** Save and load of towns. */
static const SaveLoad _town_desc[] = {
SLE_CONDVAR(Town, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Town, xy, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDNULL(2, 0, 2), ///< population, no longer in use
SLE_CONDNULL(4, 3, 84), ///< population, no longer in use
SLE_CONDNULL(2, 0, 91), ///< num_houses, no longer in use
SLE_CONDVAR(Town, townnamegrfid, SLE_UINT32, 66, SL_MAX_VERSION),
SLE_VAR(Town, townnametype, SLE_UINT16),
SLE_VAR(Town, townnameparts, SLE_UINT32),
SLE_CONDSTR(Town, name, SLE_STR, 0, 84, SL_MAX_VERSION),
SLE_VAR(Town, flags12, SLE_UINT8),
SLE_CONDVAR(Town, statues, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
SLE_CONDVAR(Town, statues, SLE_UINT16, 104, SL_MAX_VERSION),
SLE_CONDNULL(1, 0, 1), ///< sort_index, no longer in use
SLE_CONDVAR(Town, have_ratings, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
SLE_CONDVAR(Town, have_ratings, SLE_UINT16, 104, SL_MAX_VERSION),
SLE_CONDARR(Town, ratings, SLE_INT16, 8, 0, 103),
SLE_CONDARR(Town, ratings, SLE_INT16, MAX_COMPANIES, 104, SL_MAX_VERSION),
/* failed bribe attempts are stored since savegame format 4 */
SLE_CONDARR(Town, unwanted, SLE_INT8, 8, 4, 103),
SLE_CONDARR(Town, unwanted, SLE_INT8, MAX_COMPANIES, 104, SL_MAX_VERSION),
SLE_CONDVAR(Town, max_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, max_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, new_max_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, new_max_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, act_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, act_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, new_act_pass, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, new_act_mail, SLE_FILE_U16 | SLE_VAR_U32, 0, 8),
SLE_CONDVAR(Town, max_pass, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, max_mail, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, new_max_pass, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, new_max_mail, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, act_pass, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, act_mail, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, new_act_pass, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_CONDVAR(Town, new_act_mail, SLE_UINT32, 9, SL_MAX_VERSION),
SLE_VAR(Town, pct_pass_transported, SLE_UINT8),
SLE_VAR(Town, pct_mail_transported, SLE_UINT8),
SLE_VAR(Town, act_food, SLE_UINT16),
SLE_VAR(Town, act_water, SLE_UINT16),
SLE_VAR(Town, new_act_food, SLE_UINT16),
SLE_VAR(Town, new_act_water, SLE_UINT16),
SLE_CONDVAR(Town, time_until_rebuild, SLE_UINT8, 0, 53),
SLE_CONDVAR(Town, grow_counter, SLE_UINT8, 0, 53),
SLE_CONDVAR(Town, growth_rate, SLE_UINT8, 0, 53),
SLE_CONDVAR(Town, time_until_rebuild, SLE_UINT16, 54, SL_MAX_VERSION),
SLE_CONDVAR(Town, grow_counter, SLE_UINT16, 54, SL_MAX_VERSION),
SLE_CONDVAR(Town, growth_rate, SLE_INT16, 54, SL_MAX_VERSION),
SLE_VAR(Town, fund_buildings_months, SLE_UINT8),
SLE_VAR(Town, road_build_months, SLE_UINT8),
SLE_CONDVAR(Town, exclusivity, SLE_UINT8, 2, SL_MAX_VERSION),
SLE_CONDVAR(Town, exclusive_counter, SLE_UINT8, 2, SL_MAX_VERSION),
SLE_CONDVAR(Town, larger_town, SLE_BOOL, 56, SL_MAX_VERSION),
/* reserve extra space in savegame here. (currently 30 bytes) */
SLE_CONDNULL(30, 2, SL_MAX_VERSION),
SLE_END()
};
/* Save and load the mapping between the house id on the map, and the grf file
* it came from. */
static const SaveLoad _house_id_mapping_desc[] = {
SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
SLE_VAR(EntityIDMapping, entity_id, SLE_UINT8),
SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
SLE_END()
};
static void Save_HOUSEIDS()
{
uint j = _house_mngr.GetMaxMapping();
for (uint i = 0; i < j; i++) {
SlSetArrayIndex(i);
SlObject(&_house_mngr.mapping_ID[i], _house_id_mapping_desc);
}
}
static void Load_HOUSEIDS()
{
int index;
_house_mngr.ResetMapping();
uint max_id = _house_mngr.GetMaxMapping();
while ((index = SlIterateArray()) != -1) {
if ((uint)index >= max_id) break;
SlObject(&_house_mngr.mapping_ID[index], _house_id_mapping_desc);
}
}
static void Save_TOWN()
{
Town *t;
FOR_ALL_TOWNS(t) {
SlSetArrayIndex(t->index);
SlObject(t, _town_desc);
}
}
static void Load_TOWN()
{
int index;
_total_towns = 0;
while ((index = SlIterateArray()) != -1) {
Town *t = new (index) Town();
SlObject(t, _town_desc);
_total_towns++;
}
/* This is to ensure all pointers are within the limits of
* the size of the TownPool */
if (_cur_town_ctr > GetMaxTownIndex())
_cur_town_ctr = 0;
}
void AfterLoadTown()
{
Town *t;
FOR_ALL_TOWNS(t) t->InitializeLayout();
}
extern const ChunkHandler _town_chunk_handlers[] = {
{ 'HIDS', Save_HOUSEIDS, Load_HOUSEIDS, CH_ARRAY },
{ 'CITY', Save_TOWN, Load_TOWN, CH_ARRAY | CH_LAST},
};
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