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Location: cpp/openttd-patchpack/source/src/saveload/town_sl.cpp - annotation
r25719:14932b129f4d
13.8 KiB
text/x-c
Codechange: [OSX] Use more exact enum names where introduced with the 10.12 SDK.
The enum values still have the exact same numerical values, but the 10.12
SDK introduced more explicit names (e.g. like NSEventTypeApplicationDefined
instead of NSApplicationDefined) for several enum constants.
Use them when available.
The enum values still have the exact same numerical values, but the 10.12
SDK introduced more explicit names (e.g. like NSEventTypeApplicationDefined
instead of NSApplicationDefined) for several enum constants.
Use them when available.
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* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file town_sl.cpp Code handling saving and loading of towns and houses */
#include "../stdafx.h"
#include "../newgrf_house.h"
#include "../town.h"
#include "../landscape.h"
#include "../subsidy_func.h"
#include "../strings_func.h"
#include "../tilematrix_type.hpp"
#include "saveload.h"
#include "newgrf_sl.h"
#include "../safeguards.h"
typedef TileMatrix<CargoTypes, 4> AcceptanceMatrix;
/**
* Rebuild all the cached variables of towns.
*/
void RebuildTownCaches()
{
InitializeBuildingCounts();
RebuildTownKdtree();
/* Reset town population and num_houses */
for (Town *town : Town::Iterate()) {
town->cache.population = 0;
town->cache.num_houses = 0;
}
for (TileIndex t = 0; t < MapSize(); t++) {
if (!IsTileType(t, MP_HOUSE)) continue;
HouseID house_id = GetHouseType(t);
Town *town = Town::GetByTile(t);
IncreaseBuildingCount(town, house_id);
if (IsHouseCompleted(t)) town->cache.population += HouseSpec::Get(house_id)->population;
/* Increase the number of houses for every house, but only once. */
if (GetHouseNorthPart(house_id) == 0) town->cache.num_houses++;
}
/* Update the population and num_house dependent values */
for (Town *town : Town::Iterate()) {
UpdateTownRadius(town);
}
}
/**
* 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()
{
for (TileIndex t = 0; t < MapSize(); t++) {
if (!IsTileType(t, MP_HOUSE)) continue;
HouseID house_id = GetCleanHouseType(t);
if (!HouseSpec::Get(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);
}
}
/* Check for cases when a NewGRF has set a wrong house substitute type. */
for (TileIndex t = 0; t < MapSize(); t++) {
if (!IsTileType(t, MP_HOUSE)) continue;
HouseID house_type = GetCleanHouseType(t);
TileIndex north_tile = t + GetHouseNorthPart(house_type); // modifies 'house_type'!
if (t == north_tile) {
const HouseSpec *hs = HouseSpec::Get(house_type);
bool valid_house = true;
if (hs->building_flags & TILE_SIZE_2x1) {
TileIndex tile = t + TileDiffXY(1, 0);
if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
} else if (hs->building_flags & TILE_SIZE_1x2) {
TileIndex tile = t + TileDiffXY(0, 1);
if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
} else if (hs->building_flags & TILE_SIZE_2x2) {
TileIndex tile = t + TileDiffXY(0, 1);
if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 1) valid_house = false;
tile = t + TileDiffXY(1, 0);
if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 2) valid_house = false;
tile = t + TileDiffXY(1, 1);
if (!IsTileType(tile, MP_HOUSE) || GetCleanHouseType(tile) != house_type + 3) valid_house = false;
}
/* If not all tiles of this house are present remove the house.
* The other tiles will get removed later in this loop because
* their north tile is not the correct type anymore. */
if (!valid_house) DoClearSquare(t);
} else if (!IsTileType(north_tile, MP_HOUSE) || GetCleanHouseType(north_tile) != house_type) {
/* This tile should be part of a multi-tile building but the
* north tile of this house isn't on the map. */
DoClearSquare(t);
}
}
RebuildTownCaches();
}
class SlTownSupplied : public DefaultSaveLoadHandler<SlTownSupplied, Town> {
public:
inline static const SaveLoad description[] = {
SLE_CONDVAR(TransportedCargoStat<uint32>, old_max, SLE_UINT32, SLV_165, SL_MAX_VERSION),
SLE_CONDVAR(TransportedCargoStat<uint32>, new_max, SLE_UINT32, SLV_165, SL_MAX_VERSION),
SLE_CONDVAR(TransportedCargoStat<uint32>, old_act, SLE_UINT32, SLV_165, SL_MAX_VERSION),
SLE_CONDVAR(TransportedCargoStat<uint32>, new_act, SLE_UINT32, SLV_165, SL_MAX_VERSION),
};
/**
* Get the number of cargoes used by this savegame version.
* @return The number of cargoes used by this savegame version.
*/
size_t GetNumCargo() const
{
if (IsSavegameVersionBefore(SLV_EXTEND_CARGOTYPES)) return 32;
if (IsSavegameVersionBefore(SLV_SAVELOAD_LIST_LENGTH)) return NUM_CARGO;
/* Read from the savegame how long the list is. */
return SlGetStructListLength(NUM_CARGO);
}
void Save(Town *t) const override
{
SlSetStructListLength(NUM_CARGO);
for (CargoID i = 0; i < NUM_CARGO; i++) {
SlObject(&t->supplied[i], this->GetDescription());
}
}
void Load(Town *t) const override
{
size_t num_cargo = this->GetNumCargo();
for (CargoID i = 0; i < num_cargo; i++) {
SlObject(&t->supplied[i], this->GetDescription());
}
}
};
class SlTownReceived : public DefaultSaveLoadHandler<SlTownReceived, Town> {
public:
inline static const SaveLoad description[] = {
SLE_CONDVAR(TransportedCargoStat<uint16>, old_max, SLE_UINT16, SLV_165, SL_MAX_VERSION),
SLE_CONDVAR(TransportedCargoStat<uint16>, new_max, SLE_UINT16, SLV_165, SL_MAX_VERSION),
SLE_CONDVAR(TransportedCargoStat<uint16>, old_act, SLE_UINT16, SLV_165, SL_MAX_VERSION),
SLE_CONDVAR(TransportedCargoStat<uint16>, new_act, SLE_UINT16, SLV_165, SL_MAX_VERSION),
};
void Save(Town *t) const override
{
SlSetStructListLength(NUM_TE);
for (size_t i = TE_BEGIN; i < TE_END; i++) {
SlObject(&t->received[i], this->GetDescription());
}
}
void Load(Town *t) const override
{
size_t length = IsSavegameVersionBefore(SLV_SAVELOAD_LIST_LENGTH) ? (size_t)TE_END : SlGetStructListLength(TE_END);
for (size_t i = 0; i < length; i++) {
SlObject(&t->received[i], this->GetDescription());
}
}
};
class SlTownAcceptanceMatrix : public DefaultSaveLoadHandler<SlTownAcceptanceMatrix, Town> {
public:
inline static const SaveLoad description[] = {
SLE_VAR(AcceptanceMatrix, area.tile, SLE_UINT32),
SLE_VAR(AcceptanceMatrix, area.w, SLE_UINT16),
SLE_VAR(AcceptanceMatrix, area.h, SLE_UINT16),
};
void Load(Town *t) const override
{
/* Discard now unused acceptance matrix. */
AcceptanceMatrix dummy;
SlObject(&dummy, this->GetDescription());
if (dummy.area.w != 0) {
uint arr_len = dummy.area.w / AcceptanceMatrix::GRID * dummy.area.h / AcceptanceMatrix::GRID;
SlSkipBytes(4 * arr_len);
}
}
};
static const SaveLoad _town_desc[] = {
SLE_CONDVAR(Town, xy, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
SLE_CONDVAR(Town, xy, SLE_UINT32, SLV_6, SL_MAX_VERSION),
SLE_CONDNULL(2, SL_MIN_VERSION, SLV_3), ///< population, no longer in use
SLE_CONDNULL(4, SLV_3, SLV_85), ///< population, no longer in use
SLE_CONDNULL(2, SL_MIN_VERSION, SLV_92), ///< num_houses, no longer in use
SLE_CONDVAR(Town, townnamegrfid, SLE_UINT32, SLV_66, SL_MAX_VERSION),
SLE_VAR(Town, townnametype, SLE_UINT16),
SLE_VAR(Town, townnameparts, SLE_UINT32),
SLE_CONDSSTR(Town, name, SLE_STR | SLF_ALLOW_CONTROL, SLV_84, SL_MAX_VERSION),
SLE_VAR(Town, flags, SLE_UINT8),
SLE_CONDVAR(Town, statues, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_104),
SLE_CONDVAR(Town, statues, SLE_UINT16, SLV_104, SL_MAX_VERSION),
SLE_CONDNULL(1, SL_MIN_VERSION, SLV_2), ///< sort_index, no longer in use
SLE_CONDVAR(Town, have_ratings, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_104),
SLE_CONDVAR(Town, have_ratings, SLE_UINT16, SLV_104, SL_MAX_VERSION),
SLE_CONDARR(Town, ratings, SLE_INT16, 8, SL_MIN_VERSION, SLV_104),
SLE_CONDARR(Town, ratings, SLE_INT16, MAX_COMPANIES, SLV_104, SL_MAX_VERSION),
/* failed bribe attempts are stored since savegame format 4 */
SLE_CONDARR(Town, unwanted, SLE_INT8, 8, SLV_4, SLV_104),
SLE_CONDARR(Town, unwanted, SLE_INT8, MAX_COMPANIES, SLV_104, SL_MAX_VERSION),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_max, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_MAIL].old_max, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_max, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_MAIL].new_max, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_act, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_MAIL].old_act, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_act, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_MAIL].new_act, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_9),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_max, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_MAIL].old_max, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_max, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_MAIL].new_max, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].old_act, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_MAIL].old_act, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_PASSENGERS].new_act, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDVAR(Town, supplied[CT_MAIL].new_act, SLE_UINT32, SLV_9, SLV_165),
SLE_CONDNULL(2, SL_MIN_VERSION, SLV_164), ///< pct_pass_transported / pct_mail_transported, now computed on the fly
SLE_CONDVAR(Town, received[TE_FOOD].old_act, SLE_UINT16, SL_MIN_VERSION, SLV_165),
SLE_CONDVAR(Town, received[TE_WATER].old_act, SLE_UINT16, SL_MIN_VERSION, SLV_165),
SLE_CONDVAR(Town, received[TE_FOOD].new_act, SLE_UINT16, SL_MIN_VERSION, SLV_165),
SLE_CONDVAR(Town, received[TE_WATER].new_act, SLE_UINT16, SL_MIN_VERSION, SLV_165),
SLE_CONDARR(Town, goal, SLE_UINT32, NUM_TE, SLV_165, SL_MAX_VERSION),
SLE_CONDSSTR(Town, text, SLE_STR | SLF_ALLOW_CONTROL, SLV_168, SL_MAX_VERSION),
SLE_CONDVAR(Town, time_until_rebuild, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_54),
SLE_CONDVAR(Town, grow_counter, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_54),
SLE_CONDVAR(Town, growth_rate, SLE_FILE_U8 | SLE_VAR_I16, SL_MIN_VERSION, SLV_54),
SLE_CONDVAR(Town, time_until_rebuild, SLE_UINT16, SLV_54, SL_MAX_VERSION),
SLE_CONDVAR(Town, grow_counter, SLE_UINT16, SLV_54, SL_MAX_VERSION),
SLE_CONDVAR(Town, growth_rate, SLE_FILE_I16 | SLE_VAR_U16, SLV_54, SLV_165),
SLE_CONDVAR(Town, growth_rate, SLE_UINT16, SLV_165, 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, SLV_2, SL_MAX_VERSION),
SLE_CONDVAR(Town, exclusive_counter, SLE_UINT8, SLV_2, SL_MAX_VERSION),
SLE_CONDVAR(Town, larger_town, SLE_BOOL, SLV_56, SL_MAX_VERSION),
SLE_CONDVAR(Town, layout, SLE_UINT8, SLV_113, SL_MAX_VERSION),
SLE_CONDREFLIST(Town, psa_list, REF_STORAGE, SLV_161, SL_MAX_VERSION),
SLE_CONDNULL(4, SLV_166, SLV_EXTEND_CARGOTYPES), ///< cargo_produced, no longer in use
SLE_CONDNULL(8, SLV_EXTEND_CARGOTYPES, SLV_REMOVE_TOWN_CARGO_CACHE), ///< cargo_produced, no longer in use
SLE_CONDNULL(30, SLV_2, SLV_REMOVE_TOWN_CARGO_CACHE), ///< old reserved space
SLEG_CONDSTRUCTLIST(SlTownSupplied, SLV_165, SL_MAX_VERSION),
SLEG_CONDSTRUCTLIST(SlTownReceived, SLV_165, SL_MAX_VERSION),
SLEG_CONDSTRUCTLIST(SlTownAcceptanceMatrix, SLV_166, SLV_REMOVE_TOWN_CARGO_CACHE),
};
static void Save_HIDS()
{
Save_NewGRFMapping(_house_mngr);
}
static void Load_HIDS()
{
Load_NewGRFMapping(_house_mngr);
}
static void Save_TOWN()
{
for (Town *t : Town::Iterate()) {
SlSetArrayIndex(t->index);
SlObject(t, _town_desc);
}
}
static void Load_TOWN()
{
int index;
while ((index = SlIterateArray()) != -1) {
Town *t = new (index) Town();
SlObject(t, _town_desc);
if (t->townnamegrfid == 0 && !IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1) && GetStringTab(t->townnametype) != TEXT_TAB_OLD_CUSTOM) {
SlErrorCorrupt("Invalid town name generator");
}
}
}
/** Fix pointers when loading town data. */
static void Ptrs_TOWN()
{
if (IsSavegameVersionBefore(SLV_161)) return;
for (Town *t : Town::Iterate()) {
SlObject(t, _town_desc);
}
}
/** Chunk handler for towns. */
static const ChunkHandler town_chunk_handlers[] = {
{ 'HIDS', Save_HIDS, Load_HIDS, nullptr, nullptr, CH_ARRAY },
{ 'CITY', Save_TOWN, Load_TOWN, Ptrs_TOWN, nullptr, CH_ARRAY },
};
extern const ChunkHandlerTable _town_chunk_handlers(town_chunk_handlers);
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