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OpenTTD/src/saveload/oldloader_sl.cpp

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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 oldloader_sl.cpp Chunks and fix-ups for TTO/TTD/TTDP savegames. TTO loader code is based on SVXConverter by Roman Vetter. */
#include "../stdafx.h"
#include "../town.h"
#include "../industry.h"
#include "../company_func.h"
#include "../aircraft.h"
#include "../roadveh.h"
#include "../ship.h"
#include "../train.h"
#include "../signs_base.h"
#include "../station_base.h"
#include "../subsidy_base.h"
#include "../debug.h"
#include "../depot_base.h"
#include "../timer/timer_game_calendar.h"
#include "../timer/timer_game_calendar.h"
#include "../vehicle_func.h"
#include "../effectvehicle_base.h"
#include "../engine_func.h"
#include "../company_base.h"
#include "../disaster_vehicle.h"
#include "../timer/timer.h"
#include "../timer/timer_game_tick.h"
#include "../timer/timer_game_calendar.h"
#include "saveload_internal.h"
#include "oldloader.h"
#include "table/strings.h"
#include "../table/engines.h"
#include "../table/townname.h"
#include "../safeguards.h"
static bool _read_ttdpatch_flags; ///< Have we (tried to) read TTDPatch extra flags?
static uint16_t _old_extra_chunk_nums; ///< Number of extra TTDPatch chunks
static uint8_t _old_vehicle_multiplier; ///< TTDPatch vehicle multiplier
void FixOldMapArray()
{
/* TTO/TTD/TTDP savegames could have buoys at tile 0
* (without assigned station struct) */
MakeSea(0);
}
static void FixTTDMapArray()
{
for (auto tile : Map::Iterate()) {
switch (GetTileType(tile)) {
case MP_STATION:
tile.m4() = 0; // We do not understand this TTDP station mapping (yet)
switch (tile.m5()) {
/* We have drive through stops at a totally different place */
case 0x53: case 0x54: tile.m5() += 170 - 0x53; break; // Bus drive through
case 0x57: case 0x58: tile.m5() += 168 - 0x57; break; // Truck drive through
case 0x55: case 0x56: tile.m5() += 170 - 0x55; break; // Bus tram stop
case 0x59: case 0x5A: tile.m5() += 168 - 0x59; break; // Truck tram stop
default: break;
}
break;
case MP_RAILWAY:
/* We save presignals different from TTDPatch, convert them */
if (GB(tile.m5(), 6, 2) == 1) { // RAIL_TILE_SIGNALS
/* This byte is always zero in TTD for this type of tile */
if (tile.m4()) { // Convert the presignals to our own format
tile.m4() = (tile.m4() >> 1) & 7;
}
}
/* TTDPatch stores PBS things in L6 and all elsewhere; so we'll just
* clear it for ourselves and let OTTD's rebuild PBS itself */
tile.m4() &= 0xF; // Only keep the lower four bits; upper four is PBS
break;
case MP_WATER:
/* if water class == 3, make river there */
if (GB(tile.m3(), 0, 2) == 3) {
SetTileType(tile, MP_WATER);
SetTileOwner(tile, OWNER_WATER);
tile.m2() = 0;
tile.m3() = 2; // WATER_CLASS_RIVER
tile.m4() = Random();
tile.m5() = 0;
}
break;
default:
break;
}
}
FixOldMapArray();
}
static void FixTTDDepots()
{
for (const Depot *d : Depot::Iterate(252)) {
if (!IsDepotTile(d->xy) || GetDepotIndex(d->xy) != d->index) {
/** Workaround for SVXConverter bug, depots 252-255 could be invalid */
delete d;
}
}
}
#define FIXNUM(x, y, z) (((((x) << 16) / (y)) + 1) << z)
static uint32_t RemapOldTownName(uint32_t townnameparts, uint8_t old_town_name_type)
{
switch (old_town_name_type) {
case 0: case 3: // English, American
/* Already OK */
return townnameparts;
case 1: // French
/* For some reason 86 needs to be subtracted from townnameparts
* 0000 0000 0000 0000 0000 0000 1111 1111 */
return FIXNUM(townnameparts - 86, lengthof(_name_french_real), 0);
case 2: // German
Debug(misc, 0, "German Townnames are buggy ({})", townnameparts);
return townnameparts;
case 4: // Latin-American
/* 0000 0000 0000 0000 0000 0000 1111 1111 */
return FIXNUM(townnameparts, lengthof(_name_spanish_real), 0);
case 5: // Silly
/* NUM_SILLY_1 - lower 16 bits
* NUM_SILLY_2 - upper 16 bits without leading 1 (first 8 bytes)
* 1000 0000 2222 2222 0000 0000 1111 1111 */
return FIXNUM(townnameparts, lengthof(_name_silly_1), 0) | FIXNUM(GB(townnameparts, 16, 8), lengthof(_name_silly_2), 16);
}
return 0;
}
#undef FIXNUM
static void FixOldTowns()
{
/* Convert town-names if needed */
for (Town *town : Town::Iterate()) {
if (IsInsideMM(town->townnametype, 0x20C1, 0x20C3)) {
town->townnametype = SPECSTR_TOWNNAME_ENGLISH + _settings_game.game_creation.town_name;
town->townnameparts = RemapOldTownName(town->townnameparts, _settings_game.game_creation.town_name);
}
}
}
static StringID *_old_vehicle_names;
/**
* Convert the old style vehicles into something that resembles
* the old new style savegames. Then #AfterLoadGame can handle
* the rest of the conversion.
*/
void FixOldVehicles()
{
for (Vehicle *v : Vehicle::Iterate()) {
if ((size_t)v->next == 0xFFFF) {
v->next = nullptr;
} else {
v->next = Vehicle::GetIfValid((size_t)v->next);
}
/* For some reason we need to correct for this */
switch (v->spritenum) {
case 0xfd: break;
case 0xff: v->spritenum = 0xfe; break;
default: v->spritenum >>= 1; break;
}
/* Vehicle-subtype is different in TTD(Patch) */
if (v->type == VEH_EFFECT) v->subtype = v->subtype >> 1;
v->name = CopyFromOldName(_old_vehicle_names[v->index]);
/* We haven't used this bit for stations for ages */
if (v->type == VEH_ROAD) {
RoadVehicle *rv = RoadVehicle::From(v);
if (rv->state != RVSB_IN_DEPOT && rv->state != RVSB_WORMHOLE) {
ClrBit(rv->state, 2);
Tile tile(rv->tile);
if (IsTileType(tile, MP_STATION) && tile.m5() >= 168) {
/* Update the vehicle's road state to show we're in a drive through road stop. */
SetBit(rv->state, RVS_IN_DT_ROAD_STOP);
}
}
}
/* The subtype should be 0, but it sometimes isn't :( */
if (v->type == VEH_ROAD || v->type == VEH_SHIP) v->subtype = 0;
/* Sometimes primary vehicles would have a nothing (invalid) order
* or vehicles that could not have an order would still have a
* (loading) order which causes assertions and the like later on.
*/
if (!IsCompanyBuildableVehicleType(v) ||
(v->IsPrimaryVehicle() && v->current_order.IsType(OT_NOTHING))) {
v->current_order.MakeDummy();
}
/* Shared orders are fixed in AfterLoadVehicles now */
}
}
static bool FixTTOMapArray()
{
for (auto tile : Map::Iterate()) {
TileType tt = GetTileType(tile);
if (tt == 11) {
/* TTO has a different way of storing monorail.
* Instead of using bits in m3 it uses a different tile type. */
tile.m3() = 1; // rail type = monorail (in TTD)
SetTileType(tile, MP_RAILWAY);
tile.m2() = 1; // set monorail ground to RAIL_GROUND_GRASS
tt = MP_RAILWAY;
}
switch (tt) {
case MP_CLEAR:
break;
case MP_RAILWAY:
switch (GB(tile.m5(), 6, 2)) {
case 0: // RAIL_TILE_NORMAL
break;
case 1: // RAIL_TILE_SIGNALS
tile.m4() = (~tile.m5() & 1) << 2; // signal variant (present only in OTTD)
SB(tile.m2(), 6, 2, GB(tile.m5(), 3, 2)); // signal status
tile.m3() |= 0xC0; // both signals are present
tile.m5() = HasBit(tile.m5(), 5) ? 2 : 1; // track direction (only X or Y)
tile.m5() |= 0x40; // RAIL_TILE_SIGNALS
break;
case 3: // RAIL_TILE_DEPOT
tile.m2() = 0;
break;
default:
return false;
}
break;
case MP_ROAD: // road (depot) or level crossing
switch (GB(tile.m5(), 4, 4)) {
case 0: // ROAD_TILE_NORMAL
if (tile.m2() == 4) tile.m2() = 5; // 'small trees' -> ROADSIDE_TREES
break;
case 1: // ROAD_TILE_CROSSING (there aren't monorail crossings in TTO)
tile.m3() = tile.m1(); // set owner of road = owner of rail
break;
case 2: // ROAD_TILE_DEPOT
break;
default:
return false;
}
break;
case MP_HOUSE:
tile.m3() = tile.m2() & 0xC0; // construction stage
tile.m2() &= 0x3F; // building type
if (tile.m2() >= 5) tile.m2()++; // skip "large office block on snow"
break;
case MP_TREES:
tile.m3() = GB(tile.m5(), 3, 3); // type of trees
tile.m5() &= 0xC7; // number of trees and growth status
break;
case MP_STATION:
tile.m3() = (tile.m5() >= 0x08 && tile.m5() <= 0x0F) ? 1 : 0; // monorail -> 1, others 0 (rail, road, airport, dock)
if (tile.m5() >= 8) tile.m5() -= 8; // shift for monorail
if (tile.m5() >= 0x42) tile.m5()++; // skip heliport
break;
case MP_WATER:
tile.m3() = tile.m2() = 0;
break;
case MP_VOID:
tile.m2() = tile.m3() = tile.m5() = 0;
break;
case MP_INDUSTRY:
tile.m3() = 0;
switch (tile.m5()) {
case 0x24: // farm silo
tile.m5() = 0x25;
break;
case 0x25: case 0x27: // farm
case 0x28: case 0x29: case 0x2A: case 0x2B: // factory
tile.m5()--;
break;
default:
if (tile.m5() >= 0x2C) tile.m5() += 3; // iron ore mine, steel mill or bank
break;
}
break;
case MP_TUNNELBRIDGE:
if (HasBit(tile.m5(), 7)) { // bridge
uint8_t m5 = tile.m5();
tile.m5() = m5 & 0xE1; // copy bits 7..5, 1
if (GB(m5, 1, 2) == 1) tile.m5() |= 0x02; // road bridge
if (GB(m5, 1, 2) == 3) tile.m2() |= 0xA0; // monorail bridge -> tubular, steel bridge
if (!HasBit(m5, 6)) { // bridge head
tile.m3() = (GB(m5, 1, 2) == 3) ? 1 : 0; // track subtype (1 for monorail, 0 for others)
} else { // middle bridge part
tile.m3() = HasBit(m5, 2) ? 0x10 : 0; // track subtype on bridge
if (GB(m5, 3, 2) == 3) tile.m3() |= 1; // track subtype under bridge
if (GB(m5, 3, 2) == 1) tile.m5() |= 0x08; // set for road/water under (0 for rail/clear)
}
} else { // tunnel entrance/exit
tile.m2() = 0;
tile.m3() = HasBit(tile.m5(), 3); // monorail
tile.m5() &= HasBit(tile.m5(), 3) ? 0x03 : 0x07 ; // direction, transport type (== 0 for rail)
}
break;
case MP_OBJECT:
tile.m2() = 0;
tile.m3() = 0;
break;
default:
return false;
}
}
FixOldMapArray();
return true;
}
static Engine *_old_engines;
static bool FixTTOEngines()
{
/** TTD->TTO remapping of engines; 255 means there is no equivalent. SVXConverter uses (almost) the same table. */
static const EngineID ttd_to_tto[] = {
0, 255, 255, 255, 255, 255, 255, 255, 5, 7, 8, 9, 10, 11, 12, 13,
255, 255, 255, 255, 255, 255, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 29, 28, 30, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 31, 255, 32, 33, 34, 35, 36, 37, 38,
39, 40, 41, 42, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 44, 45, 46, 255, 255, 255, 255, 47, 48, 255, 49, 50,
255, 255, 255, 255, 51, 52, 255, 53, 54, 255, 55, 56, 255, 57, 59, 255,
58, 60, 255, 61, 62, 255, 63, 64, 255, 65, 66, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 67, 68, 69, 70,
71, 255, 255, 76, 77, 255, 255, 78, 79, 80, 81, 82, 83, 84, 85, 86,
87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 102, 255, 255
};
/** TTO->TTD remapping of engines. SVXConverter uses the same table. */
static const EngineID tto_to_ttd[] = {
0, 0, 8, 8, 8, 8, 8, 9, 10, 11, 12, 13, 14, 15, 15, 22,
23, 24, 25, 26, 27, 29, 28, 30, 31, 32, 33, 34, 35, 36, 37, 55,
57, 59, 58, 60, 61, 62, 63, 64, 65, 66, 67, 116, 116, 117, 118, 123,
124, 126, 127, 132, 133, 135, 136, 138, 139, 141, 142, 144, 145, 147, 148, 150,
151, 153, 154, 204, 205, 206, 207, 208, 211, 212, 211, 212, 211, 212, 215, 216,
217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,
233, 234, 235, 236, 237, 238, 253
};
for (Vehicle *v : Vehicle::Iterate()) {
if (v->engine_type >= lengthof(tto_to_ttd)) return false;
v->engine_type = tto_to_ttd[v->engine_type];
}
/* Load the default engine set. Many of them will be overridden later */
{
uint j = 0;
for (uint i = 0; i < lengthof(_orig_rail_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_TRAIN, i);
for (uint i = 0; i < lengthof(_orig_road_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_ROAD, i);
for (uint i = 0; i < lengthof(_orig_ship_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_SHIP, i);
for (uint i = 0; i < lengthof(_orig_aircraft_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_AIRCRAFT, i);
}
TimerGameCalendar::Date aging_date = std::min(TimerGameCalendar::date + CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR, TimerGameCalendar::ConvertYMDToDate(2050, 0, 1));
TimerGameCalendar::YearMonthDay aging_ymd = TimerGameCalendar::ConvertDateToYMD(aging_date);
for (EngineID i = 0; i < 256; i++) {
int oi = ttd_to_tto[i];
Engine *e = GetTempDataEngine(i);
if (oi == 255) {
/* Default engine is used */
TimerGameCalendar::date += CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR;
StartupOneEngine(e, aging_ymd, 0);
CalcEngineReliability(e, false);
e->intro_date -= CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR;
TimerGameCalendar::date -= CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR;
/* Make sure for example monorail and maglev are available when they should be */
if (TimerGameCalendar::date >= e->intro_date && HasBit(e->info.climates, 0)) {
e->flags |= ENGINE_AVAILABLE;
e->company_avail = MAX_UVALUE(CompanyMask);
e->age = TimerGameCalendar::date > e->intro_date ? (TimerGameCalendar::date - e->intro_date).base() / 30 : 0;
}
} else {
/* Using data from TTO savegame */
Engine *oe = &_old_engines[oi];
e->intro_date = oe->intro_date;
e->age = oe->age;
e->reliability = oe->reliability;
e->reliability_spd_dec = oe->reliability_spd_dec;
e->reliability_start = oe->reliability_start;
e->reliability_max = oe->reliability_max;
e->reliability_final = oe->reliability_final;
e->duration_phase_1 = oe->duration_phase_1;
e->duration_phase_2 = oe->duration_phase_2;
e->duration_phase_3 = oe->duration_phase_3;
e->flags = oe->flags;
e->company_avail = 0;
/* One or more engines were remapped to this one. Make this engine available
* if at least one of them was available. */
for (uint j = 0; j < lengthof(tto_to_ttd); j++) {
if (tto_to_ttd[j] == i && _old_engines[j].company_avail != 0) {
e->company_avail = MAX_UVALUE(CompanyMask);
e->flags |= ENGINE_AVAILABLE;
break;
}
}
e->info.climates = 1;
}
e->preview_company = INVALID_COMPANY;
e->preview_asked = MAX_UVALUE(CompanyMask);
e->preview_wait = 0;
e->name = std::string{};
}
return true;
}
static void FixTTOCompanies()
{
for (Company *c : Company::Iterate()) {
c->cur_economy.company_value = CalculateCompanyValue(c); // company value history is zeroed
}
}
static inline Colours RemapTTOColour(Colours tto)
{
/** Lossy remapping of TTO colours to TTD colours. SVXConverter uses the same conversion. */
static const Colours tto_colour_remap[] = {
COLOUR_DARK_BLUE, COLOUR_GREY, COLOUR_YELLOW, COLOUR_RED,
COLOUR_PURPLE, COLOUR_DARK_GREEN, COLOUR_ORANGE, COLOUR_PALE_GREEN,
COLOUR_BLUE, COLOUR_GREEN, COLOUR_CREAM, COLOUR_BROWN,
COLOUR_WHITE, COLOUR_LIGHT_BLUE, COLOUR_MAUVE, COLOUR_PINK
};
if (static_cast<size_t>(tto) >= std::size(tto_colour_remap)) return COLOUR_GREY; // this shouldn't happen
return tto_colour_remap[tto];
}
static inline uint RemapTownIndex(uint x)
{
return _savegame_type == SGT_TTO ? (x - 0x264) / 78 : (x - 0x264) / 94;
}
static inline uint RemapOrderIndex(uint x)
{
return _savegame_type == SGT_TTO ? (x - 0x1AC4) / 2 : (x - 0x1C18) / 2;
}
extern std::vector<TileIndex> _animated_tiles;
extern TimeoutTimer<TimerGameTick> _new_competitor_timeout;
extern char *_old_name_array;
static uint32_t _old_town_index;
static uint16_t _old_string_id;
static uint16_t _old_string_id_2;
static void ClearOldMap3(TileIndex t)
{
Tile tile(t);
tile.m3() = 0;
tile.m4() = 0;
}
static Town *RemapTown(TileIndex fallback)
{
/* In some cases depots, industries and stations could refer to a missing town. */
Town *t = Town::GetIfValid(RemapTownIndex(_old_town_index));
if (t == nullptr) {
/* In case the town that was refered to does not exist, find the closest.
* However, this needs the kd-tree to be present. */
RebuildTownKdtree();
t = CalcClosestTownFromTile(fallback);
}
return t;
}
static void ReadTTDPatchFlags()
{
if (_read_ttdpatch_flags) return;
_read_ttdpatch_flags = true;
/* Set default values */
_old_vehicle_multiplier = 1;
_ttdp_version = 0;
_old_extra_chunk_nums = 0;
_bump_assert_value = 0;
if (_savegame_type == SGT_TTO) return;
/* TTDPatch misuses old map3 (now m3/m4) for flags.. read them! */
_old_vehicle_multiplier = Tile(0).m3();
/* Somehow.... there was an error in some savegames, so 0 becomes 1
* and 1 becomes 2. The rest of the values are okay */
if (_old_vehicle_multiplier < 2) _old_vehicle_multiplier++;
_old_vehicle_names = MallocT<StringID>(_old_vehicle_multiplier * 850);
/* TTDPatch increases the Vehicle-part in the middle of the game,
* so if the multiplier is anything else but 1, the assert fails..
* bump the assert value so it doesn't!
* (1 multiplier == 850 vehicles
* 1 vehicle == 128 bytes */
_bump_assert_value = (_old_vehicle_multiplier - 1) * 850 * 128;
/* The first 17 bytes are used by TTDP1, which translates to the first 9 m3s and first 8 m4s. */
for (TileIndex i = 0; i <= 8; i++) { // check tile 0, too
Tile tile(i);
if (tile.m3() != 0 || (i != 8 && tile.m4() != 0)) _savegame_type = SGT_TTDP1;
}
/* Check if we have a modern TTDPatch savegame (has extra data all around) */
Tile ttdp2_header_first(Map::Size() - 3);
Tile ttdp2_header_second(Map::Size() - 2);
if (ttdp2_header_first.m3() == 'T' && ttdp2_header_first.m4() == 'T' &&
ttdp2_header_second.m3() == 'D' && ttdp2_header_second.m4() == 'p') {
_savegame_type = SGT_TTDP2;
}
Tile extra_chunk_tile = Tile(_savegame_type == SGT_TTDP2 ? Map::Size() - 1 : 1);
_old_extra_chunk_nums = extra_chunk_tile.m3() | extra_chunk_tile.m4() << 8;
/* Clean the misused places */
for (TileIndex i = 0; i < 9; i++) ClearOldMap3(i);
for (TileIndex i = TileXY(0, Map::MaxY()); i < Map::Size(); i++) ClearOldMap3(i);
if (_savegame_type == SGT_TTDP2) Debug(oldloader, 2, "Found TTDPatch game");
Debug(oldloader, 3, "Vehicle-multiplier is set to {} ({} vehicles)", _old_vehicle_multiplier, _old_vehicle_multiplier * 850);
}
static const OldChunks town_chunk[] = {
OCL_SVAR( OC_TILE, Town, xy ),
OCL_NULL( 2 ), ///< population, no longer in use
OCL_SVAR( OC_UINT16, Town, townnametype ),
OCL_SVAR( OC_UINT32, Town, townnameparts ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Town, grow_counter ),
OCL_NULL( 1 ), ///< sort_index, no longer in use
OCL_NULL( 4 ), ///< sign-coordinates, no longer in use
OCL_NULL( 2 ), ///< namewidth, no longer in use
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Town, flags ),
OCL_NULL( 10 ), ///< radius, no longer in use
OCL_SVAR( OC_INT16, Town, ratings[0] ),
OCL_SVAR( OC_INT16, Town, ratings[1] ),
OCL_SVAR( OC_INT16, Town, ratings[2] ),
OCL_SVAR( OC_INT16, Town, ratings[3] ),
OCL_SVAR( OC_INT16, Town, ratings[4] ),
OCL_SVAR( OC_INT16, Town, ratings[5] ),
OCL_SVAR( OC_INT16, Town, ratings[6] ),
OCL_SVAR( OC_INT16, Town, ratings[7] ),
OCL_SVAR( OC_FILE_U32 | OC_VAR_U16, Town, have_ratings ),
OCL_SVAR( OC_FILE_U32 | OC_VAR_U16, Town, statues ),
OCL_NULL( 2 ), ///< num_houses, no longer in use
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Town, time_until_rebuild ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Town, growth_rate ),
/* Slots 0 and 2 are passengers and mail respectively for old saves. */
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[0].new_max ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[2].new_max ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[0].new_act ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[2].new_act ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[0].old_max ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[2].old_max ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[0].old_act ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, supplied[2].old_act ),
OCL_NULL( 2 ), ///< pct_pass_transported / pct_mail_transported, now computed on the fly
OCL_SVAR( OC_TTD | OC_UINT16, Town, received[TAE_FOOD].new_act ),
OCL_SVAR( OC_TTD | OC_UINT16, Town, received[TAE_WATER].new_act ),
OCL_SVAR( OC_TTD | OC_UINT16, Town, received[TAE_FOOD].old_act ),
OCL_SVAR( OC_TTD | OC_UINT16, Town, received[TAE_WATER].old_act ),
OCL_SVAR( OC_UINT8, Town, road_build_months ),
OCL_SVAR( OC_UINT8, Town, fund_buildings_months ),
OCL_CNULL( OC_TTD, 8 ), ///< some junk at the end of the record
OCL_END()
};
static bool LoadOldTown(LoadgameState *ls, int num)
{
Town *t = new (num) Town();
if (!LoadChunk(ls, t, town_chunk)) return false;
if (t->xy != 0) {
if (_savegame_type == SGT_TTO) {
/* 0x10B6 is auto-generated name, others are custom names */
t->townnametype = t->townnametype == 0x10B6 ? 0x20C1 : t->townnametype + 0x2A00;
}
} else {
delete t;
}
return true;
}
static uint16_t _old_order;
static const OldChunks order_chunk[] = {
OCL_VAR ( OC_UINT16, 1, &_old_order ),
OCL_END()
};
static bool LoadOldOrder(LoadgameState *ls, int num)
{
if (!LoadChunk(ls, nullptr, order_chunk)) return false;
Order *o = new (num) Order();
o->AssignOrder(UnpackOldOrder(_old_order));
if (o->IsType(OT_NOTHING)) {
delete o;
} else {
/* Relink the orders to each other (in the orders for one vehicle are behind each other,
* with an invalid order (OT_NOTHING) as indication that it is the last order */
Order *prev = Order::GetIfValid(num - 1);
if (prev != nullptr) prev->next = o;
}
return true;
}
static bool LoadOldAnimTileList(LoadgameState *ls, int)
{
TileIndex anim_list[256];
const OldChunks anim_chunk[] = {
OCL_VAR ( OC_TILE, 256, anim_list ),
OCL_END ()
};
if (!LoadChunk(ls, nullptr, anim_chunk)) return false;
/* The first zero in the loaded array indicates the end of the list. */
for (int i = 0; i < 256; i++) {
if (anim_list[i] == 0) break;
_animated_tiles.push_back(anim_list[i]);
}
return true;
}
static const OldChunks depot_chunk[] = {
OCL_SVAR( OC_TILE, Depot, xy ),
OCL_VAR ( OC_UINT32, 1, &_old_town_index ),
OCL_END()
};
static bool LoadOldDepot(LoadgameState *ls, int num)
{
Depot *d = new (num) Depot();
if (!LoadChunk(ls, d, depot_chunk)) return false;
if (d->xy != 0) {
d->town = RemapTown(d->xy);
} else {
delete d;
}
return true;
}
static StationID _current_station_id;
static uint16_t _waiting_acceptance;
static uint8_t _cargo_source;
static uint8_t _cargo_periods;
static const OldChunks goods_chunk[] = {
OCL_VAR ( OC_UINT16, 1, &_waiting_acceptance ),
OCL_SVAR( OC_UINT8, GoodsEntry, time_since_pickup ),
OCL_SVAR( OC_UINT8, GoodsEntry, rating ),
OCL_VAR ( OC_UINT8, 1, &_cargo_source ),
OCL_VAR ( OC_UINT8, 1, &_cargo_periods ),
OCL_SVAR( OC_UINT8, GoodsEntry, last_speed ),
OCL_SVAR( OC_UINT8, GoodsEntry, last_age ),
OCL_END()
};
static bool LoadOldGood(LoadgameState *ls, int num)
{
/* for TTO games, 12th (num == 11) goods entry is created in the Station constructor */
if (_savegame_type == SGT_TTO && num == 11) return true;
Station *st = Station::Get(_current_station_id);
GoodsEntry *ge = &st->goods[num];
if (!LoadChunk(ls, ge, goods_chunk)) return false;
SB(ge->status, GoodsEntry::GES_ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
SB(ge->status, GoodsEntry::GES_RATING, 1, _cargo_source != 0xFF);
if (GB(_waiting_acceptance, 0, 12) != 0 && CargoPacket::CanAllocateItem()) {
ge->cargo.Append(new CargoPacket(GB(_waiting_acceptance, 0, 12), _cargo_periods, (_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source, INVALID_TILE, 0),
INVALID_STATION);
}
return true;
}
static const OldChunks station_chunk[] = {
OCL_SVAR( OC_TILE, Station, xy ),
OCL_VAR ( OC_UINT32, 1, &_old_town_index ),
OCL_NULL( 4 ), ///< bus/lorry tile
OCL_SVAR( OC_TILE, Station, train_station.tile ),
OCL_SVAR( OC_TILE, Station, airport.tile ),
OCL_NULL( 2 ), ///< dock tile
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Station, train_station.w ),
OCL_NULL( 1 ), ///< sort-index, no longer in use
OCL_NULL( 2 ), ///< sign-width, no longer in use
OCL_VAR ( OC_UINT16, 1, &_old_string_id ),
OCL_NULL( 4 ), ///< sign left/top, no longer in use
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Station, had_vehicle_of_type ),
OCL_CHUNK( 12, LoadOldGood ),
OCL_SVAR( OC_UINT8, Station, time_since_load ),
OCL_SVAR( OC_UINT8, Station, time_since_unload ),
OCL_SVAR( OC_UINT8, Station, delete_ctr ),
OCL_SVAR( OC_UINT8, Station, owner ),
OCL_SVAR( OC_UINT8, Station, facilities ),
OCL_SVAR( OC_TTD | OC_UINT8, Station, airport.type ),
OCL_SVAR( OC_TTO | OC_FILE_U16 | OC_VAR_U64, Station, airport.flags ),
OCL_NULL( 3 ), ///< bus/truck status, blocked months, no longer in use
OCL_CNULL( OC_TTD, 1 ), ///< unknown
OCL_SVAR( OC_TTD | OC_FILE_U16 | OC_VAR_U64, Station, airport.flags ),
OCL_CNULL( OC_TTD, 2 ), ///< last_vehicle. now last_vehicle_type
OCL_CNULL( OC_TTD, 4 ), ///< junk at end of chunk
OCL_END()
};
static bool LoadOldStation(LoadgameState *ls, int num)
{
Station *st = new (num) Station();
_current_station_id = num;
if (!LoadChunk(ls, st, station_chunk)) return false;
if (st->xy != 0) {
st->town = RemapTown(st->xy);
if (_savegame_type == SGT_TTO) {
if (IsInsideBS(_old_string_id, 0x180F, 32)) {
st->string_id = STR_SV_STNAME + (_old_string_id - 0x180F); // automatic name
} else {
st->string_id = _old_string_id + 0x2800; // custom name
}
if (HasBit(st->airport.flags, 8)) {
st->airport.type = 1; // large airport
} else if (HasBit(st->airport.flags, 6)) {
st->airport.type = 3; // oil rig
} else {
st->airport.type = 0; // small airport
}
} else {
st->string_id = RemapOldStringID(_old_string_id);
}
} else {
delete st;
}
return true;
}
/* Old save games always have 3 input and 2 output slots per industry. */
static std::array<Industry::AcceptedCargo, INDUSTRY_ORIGINAL_NUM_INPUTS> _old_accepted{};
static std::array<Industry::ProducedCargo, INDUSTRY_ORIGINAL_NUM_OUTPUTS> _old_produced{};
static const OldChunks industry_chunk[] = {
OCL_SVAR( OC_TILE, Industry, location.tile ),
OCL_VAR ( OC_UINT32, 1, &_old_town_index ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Industry, location.w ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Industry, location.h ),
OCL_NULL( 2 ), ///< used to be industry's produced_cargo
OCL_VAR( OC_TTD | OC_UINT16, 1, &_old_produced[0].waiting ),
OCL_VAR( OC_TTD | OC_UINT16, 1, &_old_produced[1].waiting ),
OCL_VAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 1, &_old_produced[0].waiting ),
OCL_VAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 1, &_old_produced[1].waiting ),
OCL_VAR( OC_UINT8, 1, &_old_produced[0].rate ),
OCL_VAR( OC_UINT8, 1, &_old_produced[1].rate ),
OCL_NULL( 3 ), ///< used to be industry's accepts_cargo
OCL_SVAR( OC_UINT8, Industry, prod_level ),
OCL_VAR( OC_UINT16, 1, &_old_produced[0].history[THIS_MONTH].production ),
OCL_VAR( OC_UINT16, 1, &_old_produced[1].history[THIS_MONTH].production ),
OCL_VAR( OC_UINT16, 1, &_old_produced[0].history[THIS_MONTH].transported ),
OCL_VAR( OC_UINT16, 1, &_old_produced[1].history[THIS_MONTH].transported ),
OCL_NULL( 2 ), ///< last_month_pct_transported, now computed on the fly
OCL_VAR( OC_UINT16, 1, &_old_produced[0].history[LAST_MONTH].production ),
OCL_VAR( OC_UINT16, 1, &_old_produced[1].history[LAST_MONTH].production ),
OCL_VAR( OC_UINT16, 1, &_old_produced[0].history[LAST_MONTH].transported ),
OCL_VAR( OC_UINT16, 1, &_old_produced[1].history[LAST_MONTH].transported ),
OCL_SVAR( OC_UINT8, Industry, type ),
OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, counter ),
OCL_SVAR( OC_UINT8, Industry, owner ),
OCL_SVAR( OC_UINT8, Industry, random_colour ),
OCL_SVAR( OC_TTD | OC_FILE_U8 | OC_VAR_I32, Industry, last_prod_year ),
OCL_SVAR( OC_TTD | OC_UINT16, Industry, counter ),
OCL_SVAR( OC_TTD | OC_UINT8, Industry, was_cargo_delivered ),
OCL_CNULL( OC_TTD, 9 ), ///< Random junk at the end of this chunk
OCL_END()
};
static bool LoadOldIndustry(LoadgameState *ls, int num)
{
Industry *i = new (num) Industry();
if (!LoadChunk(ls, i, industry_chunk)) return false;
if (i->location.tile != 0) {
/* Copy data from old fixed arrays to industry. */
std::copy(std::begin(_old_accepted), std::end(_old_accepted), std::back_inserter(i->accepted));
std::copy(std::begin(_old_produced), std::end(_old_produced), std::back_inserter(i->produced));
i->town = RemapTown(i->location.tile);
if (_savegame_type == SGT_TTO) {
if (i->type > 0x06) i->type++; // Printing Works were added
if (i->type == 0x0A) i->type = 0x12; // Iron Ore Mine has different ID
TimerGameEconomy::YearMonthDay ymd = TimerGameEconomy::ConvertDateToYMD(TimerGameEconomy::date);
i->last_prod_year = ymd.year;
i->random_colour = RemapTTOColour(i->random_colour);
}
Industry::IncIndustryTypeCount(i->type);
} else {
delete i;
}
return true;
}
static CompanyID _current_company_id;
static int32_t _old_yearly;
static const OldChunks _company_yearly_chunk[] = {
OCL_VAR( OC_INT32, 1, &_old_yearly ),
OCL_END()
};
static bool LoadOldCompanyYearly(LoadgameState *ls, int num)
{
Company *c = Company::Get(_current_company_id);
for (uint i = 0; i < 13; i++) {
if (_savegame_type == SGT_TTO && i == 6) {
_old_yearly = 0; // property maintenance
} else {
if (!LoadChunk(ls, nullptr, _company_yearly_chunk)) return false;
}
c->yearly_expenses[num][i] = _old_yearly;
}
return true;
}
static const OldChunks _company_economy_chunk[] = {
OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, income ),
OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, expenses ),
OCL_SVAR( OC_INT32, CompanyEconomyEntry, delivered_cargo[NUM_CARGO - 1] ),
OCL_SVAR( OC_INT32, CompanyEconomyEntry, performance_history ),
OCL_SVAR( OC_TTD | OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, company_value ),
OCL_END()
};
static bool LoadOldCompanyEconomy(LoadgameState *ls, int)
{
Company *c = Company::Get(_current_company_id);
if (!LoadChunk(ls, &c->cur_economy, _company_economy_chunk)) return false;
/* Don't ask, but the number in TTD(Patch) are inversed to OpenTTD */
c->cur_economy.income = -c->cur_economy.income;
c->cur_economy.expenses = -c->cur_economy.expenses;
for (uint i = 0; i < 24; i++) {
if (!LoadChunk(ls, &c->old_economy[i], _company_economy_chunk)) return false;
c->old_economy[i].income = -c->old_economy[i].income;
c->old_economy[i].expenses = -c->old_economy[i].expenses;
}
return true;
}
static const OldChunks _company_chunk[] = {
OCL_VAR ( OC_UINT16, 1, &_old_string_id ),
OCL_SVAR( OC_UINT32, Company, name_2 ),
OCL_SVAR( OC_UINT32, Company, face ),
OCL_VAR ( OC_UINT16, 1, &_old_string_id_2 ),
OCL_SVAR( OC_UINT32, Company, president_name_2 ),
OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Company, money ),
OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Company, current_loan ),
OCL_SVAR( OC_UINT8, Company, colour ),
OCL_SVAR( OC_UINT8, Company, money_fraction ),
OCL_SVAR( OC_UINT8, Company, months_of_bankruptcy ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Company, bankrupt_asked ),
OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Company, bankrupt_value ),
OCL_SVAR( OC_UINT16, Company, bankrupt_timeout ),
OCL_CNULL( OC_TTD, 4 ), // cargo_types
OCL_CNULL( OC_TTO, 2 ), // cargo_types
OCL_CHUNK( 3, LoadOldCompanyYearly ),
OCL_CHUNK( 1, LoadOldCompanyEconomy ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Company, inaugurated_year),
OCL_SVAR( OC_TILE, Company, last_build_coordinate ),
OCL_SVAR( OC_UINT8, Company, num_valid_stat_ent ),
OCL_NULL( 230 ), // Old AI
OCL_SVAR( OC_UINT8, Company, block_preview ),
OCL_CNULL( OC_TTD, 1 ), // Old AI
OCL_CNULL( OC_TTD, 1 ), // avail_railtypes
OCL_SVAR( OC_TILE, Company, location_of_HQ ),
OCL_CNULL( OC_TTD, 4 ), // Shares
OCL_CNULL( OC_TTD, 8 ), // junk at end of chunk
OCL_END()
};
static bool LoadOldCompany(LoadgameState *ls, int num)
{
Company *c = new (num) Company();
_current_company_id = (CompanyID)num;
if (!LoadChunk(ls, c, _company_chunk)) return false;
if (_old_string_id == 0) {
delete c;
return true;
}
if (_savegame_type == SGT_TTO) {
/* adjust manager's face */
if (HasBit(c->face, 27) && GB(c->face, 26, 1) == GB(c->face, 19, 1)) {
/* if face would be black in TTD, adjust tie colour and thereby face colour */
ClrBit(c->face, 27);
}
/* Company name */
if (_old_string_id == 0 || _old_string_id == 0x4C00) {
_old_string_id = STR_SV_UNNAMED; // "Unnamed"
} else if (GB(_old_string_id, 8, 8) == 0x52) {
_old_string_id += 0x2A00; // Custom name
} else {
_old_string_id = RemapOldStringID(_old_string_id += 0x240D); // Automatic name
}
c->name_1 = _old_string_id;
/* Manager name */
switch (_old_string_id_2) {
case 0x4CDA: _old_string_id_2 = SPECSTR_PRESIDENT_NAME; break; // automatic name
case 0x0006: _old_string_id_2 = STR_SV_EMPTY; break; // empty name
default: _old_string_id_2 = _old_string_id_2 + 0x2A00; break; // custom name
}
c->president_name_1 = _old_string_id_2;
c->colour = RemapTTOColour(c->colour);
if (num != 0) c->is_ai = true;
} else {
c->name_1 = RemapOldStringID(_old_string_id);
c->president_name_1 = RemapOldStringID(_old_string_id_2);
if (num == 0) {
/* If the first company has no name, make sure we call it UNNAMED */
if (c->name_1 == 0) {
c->name_1 = STR_SV_UNNAMED;
}
} else {
/* Beside some multiplayer maps (1 on 1), which we don't official support,
* all other companies are an AI.. mark them as such */
c->is_ai = true;
}
/* Sometimes it is better to not ask.. in old scenarios, the money
* was always 893288 pounds. In the newer versions this is correct,
* but correct for those oldies
* Ps: this also means that if you had exact 893288 pounds, you will go back
* to 100000.. this is a very VERY small chance ;) */
if (c->money == 893288) c->money = c->current_loan = 100000;
}
_company_colours[num] = c->colour;
c->inaugurated_year -= EconomyTime::ORIGINAL_BASE_YEAR;
return true;
}
static uint32_t _old_order_ptr;
static uint16_t _old_next_ptr;
static VehicleID _current_vehicle_id;
static const OldChunks vehicle_train_chunk[] = {
OCL_SVAR( OC_UINT8, Train, track ),
OCL_SVAR( OC_UINT8, Train, force_proceed ),
OCL_SVAR( OC_UINT16, Train, crash_anim_pos ),
OCL_SVAR( OC_UINT8, Train, railtype ),
OCL_NULL( 5 ), ///< Junk
OCL_END()
};
static const OldChunks vehicle_road_chunk[] = {
OCL_SVAR( OC_UINT8, RoadVehicle, state ),
OCL_SVAR( OC_UINT8, RoadVehicle, frame ),
OCL_SVAR( OC_UINT16, RoadVehicle, blocked_ctr ),
OCL_SVAR( OC_UINT8, RoadVehicle, overtaking ),
OCL_SVAR( OC_UINT8, RoadVehicle, overtaking_ctr ),
OCL_SVAR( OC_UINT16, RoadVehicle, crashed_ctr ),
OCL_SVAR( OC_UINT8, RoadVehicle, reverse_ctr ),
OCL_NULL( 1 ), ///< Junk
OCL_END()
};
static const OldChunks vehicle_ship_chunk[] = {
OCL_SVAR( OC_UINT8, Ship, state ),
OCL_NULL( 9 ), ///< Junk
OCL_END()
};
static const OldChunks vehicle_air_chunk[] = {
OCL_SVAR( OC_UINT8, Aircraft, pos ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Aircraft, targetairport ),
OCL_SVAR( OC_UINT16, Aircraft, crashed_counter ),
OCL_SVAR( OC_UINT8, Aircraft, state ),
OCL_NULL( 5 ), ///< Junk
OCL_END()
};
static const OldChunks vehicle_effect_chunk[] = {
OCL_SVAR( OC_UINT16, EffectVehicle, animation_state ),
OCL_SVAR( OC_UINT8, EffectVehicle, animation_substate ),
OCL_NULL( 7 ), // Junk
OCL_END()
};
static const OldChunks vehicle_disaster_chunk[] = {
OCL_SVAR( OC_UINT16, DisasterVehicle, image_override ),
OCL_SVAR( OC_UINT16, DisasterVehicle, big_ufo_destroyer_target ),
OCL_NULL( 6 ), ///< Junk
OCL_END()
};
static const OldChunks vehicle_empty_chunk[] = {
OCL_NULL( 10 ), ///< Junk
OCL_END()
};
static bool LoadOldVehicleUnion(LoadgameState *ls, int)
{
Vehicle *v = Vehicle::GetIfValid(_current_vehicle_id);
uint temp = ls->total_read;
bool res;
if (v == nullptr) {
res = LoadChunk(ls, nullptr, vehicle_empty_chunk);
} else {
switch (v->type) {
default: SlErrorCorrupt("Invalid vehicle type");
case VEH_TRAIN : res = LoadChunk(ls, v, vehicle_train_chunk); break;
case VEH_ROAD : res = LoadChunk(ls, v, vehicle_road_chunk); break;
case VEH_SHIP : res = LoadChunk(ls, v, vehicle_ship_chunk); break;
case VEH_AIRCRAFT: res = LoadChunk(ls, v, vehicle_air_chunk); break;
case VEH_EFFECT : res = LoadChunk(ls, v, vehicle_effect_chunk); break;
case VEH_DISASTER: res = LoadChunk(ls, v, vehicle_disaster_chunk); break;
}
}
/* This chunk size should always be 10 bytes */
if (ls->total_read - temp != 10) {
Debug(oldloader, 0, "Assert failed in VehicleUnion: invalid chunk size");
return false;
}
return res;
}
static uint16_t _cargo_count;
static const OldChunks vehicle_chunk[] = {
OCL_SVAR( OC_UINT8, Vehicle, subtype ),
OCL_NULL( 2 ), ///< Hash, calculated automatically
OCL_NULL( 2 ), ///< Index, calculated automatically
OCL_VAR ( OC_UINT32, 1, &_old_order_ptr ),
OCL_VAR ( OC_UINT16, 1, &_old_order ),
OCL_NULL ( 1 ), ///< num_orders, now calculated
OCL_SVAR( OC_UINT8, Vehicle, cur_implicit_order_index ),
OCL_SVAR( OC_TILE, Vehicle, dest_tile ),
OCL_SVAR( OC_UINT16, Vehicle, load_unload_ticks ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, date_of_last_service ),
OCL_SVAR( OC_UINT16, Vehicle, service_interval ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, last_station_visited ),
OCL_SVAR( OC_TTD | OC_UINT8, Vehicle, tick_counter ),
OCL_CNULL( OC_TTD, 2 ), ///< max_speed, now it is calculated.
OCL_CNULL( OC_TTO, 1 ), ///< max_speed, now it is calculated.
OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Vehicle, x_pos ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Vehicle, y_pos ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Vehicle, z_pos ),
OCL_SVAR( OC_UINT8, Vehicle, direction ),
OCL_NULL( 2 ), ///< x_offs and y_offs, calculated automatically
OCL_NULL( 2 ), ///< x_extent and y_extent, calculated automatically
OCL_NULL( 1 ), ///< z_extent, calculated automatically
OCL_SVAR( OC_UINT8, Vehicle, owner ),
OCL_SVAR( OC_TILE, Vehicle, tile ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, sprite_cache.sprite_seq.seq[0].sprite ),
OCL_NULL( 8 ), ///< Vehicle sprite box, calculated automatically
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Vehicle, vehstatus ),
OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, cur_speed ),
OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, cur_speed ),
OCL_SVAR( OC_UINT8, Vehicle, subspeed ),
OCL_SVAR( OC_UINT8, Vehicle, acceleration ),
OCL_SVAR( OC_UINT8, Vehicle, progress ),
OCL_SVAR( OC_UINT8, Vehicle, cargo_type ),
OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, cargo_cap ),
OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, cargo_cap ),
OCL_VAR ( OC_TTD | OC_UINT16, 1, &_cargo_count ),
OCL_VAR ( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 1, &_cargo_count ),
OCL_VAR ( OC_UINT8, 1, &_cargo_source ),
OCL_VAR ( OC_UINT8, 1, &_cargo_periods ),
OCL_SVAR( OC_TTO | OC_UINT8, Vehicle, tick_counter ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, age ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, max_age ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Vehicle, build_year ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, unitnumber ),
OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, engine_type ),
OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, engine_type ),
OCL_SVAR( OC_UINT8, Vehicle, spritenum ),
OCL_SVAR( OC_UINT8, Vehicle, day_counter ),
OCL_SVAR( OC_UINT8, Vehicle, breakdowns_since_last_service ),
OCL_SVAR( OC_UINT8, Vehicle, breakdown_ctr ),
OCL_SVAR( OC_UINT8, Vehicle, breakdown_delay ),
OCL_SVAR( OC_UINT8, Vehicle, breakdown_chance ),
OCL_CNULL( OC_TTO, 1 ),
OCL_SVAR( OC_UINT16, Vehicle, reliability ),
OCL_SVAR( OC_UINT16, Vehicle, reliability_spd_dec ),
OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_this_year ),
OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_last_year ),
OCL_VAR ( OC_UINT16, 1, &_old_next_ptr ),
OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Vehicle, value ),
OCL_VAR ( OC_UINT16, 1, &_old_string_id ),
OCL_CHUNK( 1, LoadOldVehicleUnion ),
OCL_CNULL( OC_TTO, 24 ), ///< junk
OCL_CNULL( OC_TTD, 20 ), ///< junk at end of struct (TTDPatch has some data in it)
OCL_END()
};
/**
* Load the vehicles of an old style savegame.
* @param ls State (buffer) of the currently loaded game.
* @param num The number of vehicles to load.
* @return True iff loading went without problems.
*/
bool LoadOldVehicle(LoadgameState *ls, int num)
{
/* Read the TTDPatch flags, because we need some info from it */
ReadTTDPatchFlags();
for (uint i = 0; i < _old_vehicle_multiplier; i++) {
_current_vehicle_id = num * _old_vehicle_multiplier + i;
Vehicle *v;
if (_savegame_type == SGT_TTO) {
uint type = ReadByte(ls);
switch (type) {
default: return false;
case 0x00 /* VEH_INVALID */: v = nullptr; break;
case 0x25 /* MONORAIL */:
case 0x20 /* VEH_TRAIN */: v = new (_current_vehicle_id) Train(); break;
case 0x21 /* VEH_ROAD */: v = new (_current_vehicle_id) RoadVehicle(); break;
case 0x22 /* VEH_SHIP */: v = new (_current_vehicle_id) Ship(); break;
case 0x23 /* VEH_AIRCRAFT */: v = new (_current_vehicle_id) Aircraft(); break;
case 0x24 /* VEH_EFFECT */: v = new (_current_vehicle_id) EffectVehicle(); break;
case 0x26 /* VEH_DISASTER */: v = new (_current_vehicle_id) DisasterVehicle(); break;
}
if (!LoadChunk(ls, v, vehicle_chunk)) return false;
if (v == nullptr) continue;
v->refit_cap = v->cargo_cap;
SpriteID sprite = v->sprite_cache.sprite_seq.seq[0].sprite;
/* no need to override other sprites */
if (IsInsideMM(sprite, 1460, 1465)) {
sprite += 580; // aircraft smoke puff
} else if (IsInsideMM(sprite, 2096, 2115)) {
sprite += 977; // special effects part 1
} else if (IsInsideMM(sprite, 2396, 2436)) {
sprite += 1305; // special effects part 2
} else if (IsInsideMM(sprite, 2516, 2539)) {
sprite += 1385; // rotor or disaster-related vehicles
}
v->sprite_cache.sprite_seq.seq[0].sprite = sprite;
switch (v->type) {
case VEH_TRAIN: {
static const uint8_t spriteset_rail[] = {
0, 2, 4, 4, 8, 10, 12, 14, 16, 18, 20, 22, 40, 42, 44, 46,
48, 52, 54, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 120, 122,
124, 126, 128, 130, 132, 134, 136, 138, 140
};
if (v->spritenum / 2 >= lengthof(spriteset_rail)) return false;
v->spritenum = spriteset_rail[v->spritenum / 2]; // adjust railway sprite set offset
/* Should be the original values for monorail / rail, can't use RailType constants */
Train::From(v)->railtype = static_cast<RailType>(type == 0x25 ? 1 : 0);
break;
}
case VEH_ROAD:
if (v->spritenum >= 22) v->spritenum += 12;
break;
case VEH_SHIP:
v->spritenum += 2;
switch (v->spritenum) {
case 2: // oil tanker && cargo type != oil
if (v->cargo_type != 3) v->spritenum = 0; // make it a coal/goods ship
break;
case 4: // passenger ship && cargo type == mail
if (v->cargo_type == 2) v->spritenum = 0; // make it a mail ship
break;
default:
break;
}
break;
default:
break;
}
switch (_old_string_id) {
case 0x0000: break; // empty (invalid vehicles)
case 0x0006: _old_string_id = STR_SV_EMPTY; break; // empty (special vehicles)
case 0x8495: _old_string_id = STR_SV_TRAIN_NAME; break; // "Train X"
case 0x8842: _old_string_id = STR_SV_ROAD_VEHICLE_NAME; break; // "Road Vehicle X"
case 0x8C3B: _old_string_id = STR_SV_SHIP_NAME; break; // "Ship X"
case 0x9047: _old_string_id = STR_SV_AIRCRAFT_NAME; break; // "Aircraft X"
default: _old_string_id += 0x2A00; break; // custom name
}
_old_vehicle_names[_current_vehicle_id] = _old_string_id;
} else {
/* Read the vehicle type and allocate the right vehicle */
switch (ReadByte(ls)) {
default: SlErrorCorrupt("Invalid vehicle type");
case 0x00 /* VEH_INVALID */: v = nullptr; break;
case 0x10 /* VEH_TRAIN */: v = new (_current_vehicle_id) Train(); break;
case 0x11 /* VEH_ROAD */: v = new (_current_vehicle_id) RoadVehicle(); break;
case 0x12 /* VEH_SHIP */: v = new (_current_vehicle_id) Ship(); break;
case 0x13 /* VEH_AIRCRAFT*/: v = new (_current_vehicle_id) Aircraft(); break;
case 0x14 /* VEH_EFFECT */: v = new (_current_vehicle_id) EffectVehicle(); break;
case 0x15 /* VEH_DISASTER*/: v = new (_current_vehicle_id) DisasterVehicle(); break;
}
if (!LoadChunk(ls, v, vehicle_chunk)) return false;
if (v == nullptr) continue;
_old_vehicle_names[_current_vehicle_id] = RemapOldStringID(_old_string_id);
/* This should be consistent, else we have a big problem... */
if (v->index != _current_vehicle_id) {
Debug(oldloader, 0, "Loading failed - vehicle-array is invalid");
return false;
}
}
if (_old_order_ptr != 0 && _old_order_ptr != 0xFFFFFFFF) {
uint max = _savegame_type == SGT_TTO ? 3000 : 5000;
uint old_id = RemapOrderIndex(_old_order_ptr);
if (old_id < max) v->old_orders = Order::Get(old_id); // don't accept orders > max number of orders
}
v->current_order.AssignOrder(UnpackOldOrder(_old_order));
if (v->type == VEH_DISASTER) {
DisasterVehicle::From(v)->state = UnpackOldOrder(_old_order).GetDestination();
}
v->next = (Vehicle *)(size_t)_old_next_ptr;
if (_cargo_count != 0 && CargoPacket::CanAllocateItem()) {
StationID source = (_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
TileIndex source_xy = (source != INVALID_STATION) ? Station::Get(source)->xy : (TileIndex)0;
v->cargo.Append(new CargoPacket(_cargo_count, _cargo_periods, source, source_xy, 0));
}
}
return true;
}
static const OldChunks sign_chunk[] = {
OCL_VAR ( OC_UINT16, 1, &_old_string_id ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Sign, x ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Sign, y ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_I8, Sign, z ),
OCL_NULL( 6 ), ///< Width of sign, no longer in use
OCL_END()
};
static bool LoadOldSign(LoadgameState *ls, int num)
{
Sign *si = new (num) Sign();
if (!LoadChunk(ls, si, sign_chunk)) return false;
if (_old_string_id != 0) {
if (_savegame_type == SGT_TTO) {
if (_old_string_id != 0x140A) si->name = CopyFromOldName(_old_string_id + 0x2A00);
} else {
si->name = CopyFromOldName(RemapOldStringID(_old_string_id));
}
si->owner = OWNER_NONE;
} else {
delete si;
}
return true;
}
static const OldChunks engine_chunk[] = {
OCL_SVAR( OC_UINT16, Engine, company_avail ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Engine, intro_date ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Engine, age ),
OCL_SVAR( OC_UINT16, Engine, reliability ),
OCL_SVAR( OC_UINT16, Engine, reliability_spd_dec ),
OCL_SVAR( OC_UINT16, Engine, reliability_start ),
OCL_SVAR( OC_UINT16, Engine, reliability_max ),
OCL_SVAR( OC_UINT16, Engine, reliability_final ),
OCL_SVAR( OC_UINT16, Engine, duration_phase_1 ),
OCL_SVAR( OC_UINT16, Engine, duration_phase_2 ),
OCL_SVAR( OC_UINT16, Engine, duration_phase_3 ),
OCL_NULL( 1 ), // lifelength
OCL_SVAR( OC_UINT8, Engine, flags ),
OCL_NULL( 1 ), // preview_company_rank
OCL_SVAR( OC_UINT8, Engine, preview_wait ),
OCL_CNULL( OC_TTD, 2 ), ///< railtype + junk
OCL_END()
};
static bool LoadOldEngine(LoadgameState *ls, int num)
{
Engine *e = _savegame_type == SGT_TTO ? &_old_engines[num] : GetTempDataEngine(num);
return LoadChunk(ls, e, engine_chunk);
}
static bool LoadOldEngineName(LoadgameState *ls, int num)
{
Engine *e = GetTempDataEngine(num);
e->name = CopyFromOldName(RemapOldStringID(ReadUint16(ls)));
return true;
}
static const OldChunks subsidy_chunk[] = {
OCL_SVAR( OC_UINT8, Subsidy, cargo_type ),
OCL_SVAR( OC_UINT8, Subsidy, remaining ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, src ),
OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, dst ),
OCL_END()
};
static bool LoadOldSubsidy(LoadgameState *ls, int num)
{
Subsidy *s = new (num) Subsidy();
bool ret = LoadChunk(ls, s, subsidy_chunk);
if (!IsValidCargoID(s->cargo_type)) delete s;
return ret;
}
static const OldChunks game_difficulty_chunk[] = {
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, max_no_competitors ),
OCL_NULL( 2), // competitor_start_time
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, number_towns ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, industry_density ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, DifficultySettings, max_loan ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, initial_interest ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, vehicle_costs ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, competitor_speed ),
OCL_NULL( 2), // competitor_intelligence
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, vehicle_breakdowns ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, subsidy_multiplier ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, construction_cost ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, terrain_type ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, quantity_sea_lakes ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, economy ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, line_reverse_mode ),
OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, DifficultySettings, disasters ),
OCL_END()
};
static bool LoadOldGameDifficulty(LoadgameState *ls, int)
{
bool ret = LoadChunk(ls, &_settings_game.difficulty, game_difficulty_chunk);
_settings_game.difficulty.max_loan *= 1000;
return ret;
}
static bool LoadOldMapPart1(LoadgameState *ls, int)
{
if (_savegame_type == SGT_TTO) {
Map::Allocate(OLD_MAP_SIZE, OLD_MAP_SIZE);
}
for (auto t : Map::Iterate()) {
t.m1() = ReadByte(ls);
}
for (auto t : Map::Iterate()) {
t.m2() = ReadByte(ls);
}
if (_savegame_type != SGT_TTO) {
/* old map3 is split into to m3 and m4 */
for (auto t : Map::Iterate()) {
t.m3() = ReadByte(ls);
t.m4() = ReadByte(ls);
}
auto range = Map::Iterate();
for (auto it = range.begin(); it != range.end(); /* nothing. */) {
uint8_t b = ReadByte(ls);
for (int i = 0; i < 8; i += 2, ++it) (*it).m6() = GB(b, i, 2);
}
}
return true;
}
static bool LoadOldMapPart2(LoadgameState *ls, int)
{
for (auto t : Map::Iterate()) {
t.type() = ReadByte(ls);
}
for (auto t : Map::Iterate()) {
t.m5() = ReadByte(ls);
}
return true;
}
static bool LoadTTDPatchExtraChunks(LoadgameState *ls, int)
{
ReadTTDPatchFlags();
Debug(oldloader, 2, "Found {} extra chunk(s)", _old_extra_chunk_nums);
for (int i = 0; i != _old_extra_chunk_nums; i++) {
uint16_t id = ReadUint16(ls);
uint32_t len = ReadUint32(ls);
switch (id) {
/* List of GRFIDs, used in the savegame. 0x8004 is the new ID
* They are saved in a 'GRFID:4 active:1' format, 5 bytes for each entry */
case 0x2:
case 0x8004: {
/* Skip the first element: TTDP hack for the Action D special variables (FFFF0000 01) */
ReadUint32(ls); ReadByte(ls); len -= 5;
ClearGRFConfigList(&_grfconfig);
while (len != 0) {
uint32_t grfid = ReadUint32(ls);
if (ReadByte(ls) == 1) {
GRFConfig *c = new GRFConfig("TTDP game, no information");
c->ident.grfid = grfid;
AppendToGRFConfigList(&_grfconfig, c);
Debug(oldloader, 3, "TTDPatch game using GRF file with GRFID {:08X}", BSWAP32(c->ident.grfid));
}
len -= 5;
}
/* Append static NewGRF configuration */
AppendStaticGRFConfigs(&_grfconfig);
break;
}
/* TTDPatch version and configuration */
case 0x3:
_ttdp_version = ReadUint32(ls);
Debug(oldloader, 3, "Game saved with TTDPatch version {}.{}.{} r{}",
GB(_ttdp_version, 24, 8), GB(_ttdp_version, 20, 4), GB(_ttdp_version, 16, 4), GB(_ttdp_version, 0, 16));
len -= 4;
while (len-- != 0) ReadByte(ls); // skip the configuration
break;
default:
Debug(oldloader, 4, "Skipping unknown extra chunk {}", id);
while (len-- != 0) ReadByte(ls);
break;
}
}
return true;
}
extern TileIndex _cur_tileloop_tile;
extern uint16_t _disaster_delay;
extern uint8_t _trees_tick_ctr;
extern uint8_t _age_cargo_skip_counter; // From misc_sl.cpp
extern uint8_t _old_diff_level;
extern uint8_t _old_units;
static const OldChunks main_chunk[] = {
OCL_ASSERT( OC_TTD, 0 ),
OCL_ASSERT( OC_TTO, 0 ),
OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &TimerGameCalendar::date ),
OCL_VAR ( OC_UINT16, 1, &TimerGameCalendar::date_fract ),
OCL_NULL( 600 ), ///< TextEffects
OCL_VAR ( OC_UINT32, 2, &_random.state ),
OCL_ASSERT( OC_TTD, 0x264 ),
OCL_ASSERT( OC_TTO, 0x264 ),
OCL_CCHUNK( OC_TTD, 70, LoadOldTown ),
OCL_CCHUNK( OC_TTO, 80, LoadOldTown ),
OCL_ASSERT( OC_TTD, 0x1C18 ),
OCL_ASSERT( OC_TTO, 0x1AC4 ),
OCL_CCHUNK( OC_TTD, 5000, LoadOldOrder ),
OCL_CCHUNK( OC_TTO, 3000, LoadOldOrder ),
OCL_ASSERT( OC_TTD, 0x4328 ),
OCL_ASSERT( OC_TTO, 0x3234 ),
OCL_CHUNK( 1, LoadOldAnimTileList ),
OCL_NULL( 4 ), ///< old end-of-order-list-pointer, no longer in use
OCL_ASSERT( OC_TTO, 0x3438 ),
OCL_CCHUNK( OC_TTD, 255, LoadOldDepot ),
OCL_CCHUNK( OC_TTO, 252, LoadOldDepot ),
OCL_ASSERT( OC_TTD, 0x4B26 ),
OCL_ASSERT( OC_TTO, 0x3A20 ),
OCL_NULL( 4 ), ///< town counter, no longer in use
OCL_NULL( 2 ), ///< timer_counter, no longer in use
OCL_NULL( 2 ), ///< land_code, no longer in use
OCL_VAR ( OC_FILE_U16 | OC_VAR_U8, 1, &_age_cargo_skip_counter ),
OCL_VAR ( OC_FILE_U16 | OC_VAR_U64, 1, &TimerGameTick::counter ),
OCL_VAR ( OC_TILE, 1, &_cur_tileloop_tile ),
OCL_ASSERT( OC_TTO, 0x3A2E ),
OCL_CNULL( OC_TTO, 48 * 6 ), ///< prices
OCL_CNULL( OC_TTD, 49 * 6 ), ///< prices
OCL_ASSERT( OC_TTO, 0x3B4E ),
OCL_CNULL( OC_TTO, 11 * 8 ), ///< cargo payment rates
OCL_CNULL( OC_TTD, 12 * 8 ), ///< cargo payment rates
OCL_ASSERT( OC_TTD, 0x4CBA ),
OCL_ASSERT( OC_TTO, 0x3BA6 ),
OCL_CHUNK( 1, LoadOldMapPart1 ),
OCL_ASSERT( OC_TTD, 0x48CBA ),
OCL_ASSERT( OC_TTO, 0x23BA6 ),
OCL_CCHUNK( OC_TTD, 250, LoadOldStation ),
OCL_CCHUNK( OC_TTO, 200, LoadOldStation ),
OCL_ASSERT( OC_TTO, 0x29E16 ),
OCL_CCHUNK( OC_TTD, 90, LoadOldIndustry ),
OCL_CCHUNK( OC_TTO, 100, LoadOldIndustry ),
OCL_ASSERT( OC_TTO, 0x2ADB6 ),
OCL_CHUNK( 8, LoadOldCompany ),
OCL_ASSERT( OC_TTD, 0x547F2 ),
OCL_ASSERT( OC_TTO, 0x2C746 ),
OCL_CCHUNK( OC_TTD, 850, LoadOldVehicle ),
OCL_CCHUNK( OC_TTO, 800, LoadOldVehicle ),
OCL_ASSERT( OC_TTD, 0x6F0F2 ),
OCL_ASSERT( OC_TTO, 0x45746 ),
OCL_VAR ( OC_TTD | OC_UINT8 | OC_DEREFERENCE_POINTER, 32 * 500, &_old_name_array ),
OCL_VAR ( OC_TTO | OC_UINT8 | OC_DEREFERENCE_POINTER, 24 * 200, &_old_name_array ),
OCL_ASSERT( OC_TTO, 0x46A06 ),
OCL_NULL( 0x2000 ), ///< Old hash-table, no longer in use
OCL_CHUNK( 40, LoadOldSign ),
OCL_ASSERT( OC_TTO, 0x48C36 ),
OCL_CCHUNK( OC_TTD, 256, LoadOldEngine ),
OCL_CCHUNK( OC_TTO, 103, LoadOldEngine ),
OCL_ASSERT( OC_TTO, 0x496AC ),
OCL_NULL ( 2 ), // _vehicle_id_ctr_day
OCL_CHUNK( 8, LoadOldSubsidy ),
OCL_ASSERT( OC_TTO, 0x496CE ),
OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &_new_competitor_timeout.period.value ),
OCL_CNULL( OC_TTO, 2 ), ///< available monorail bitmask
OCL_VAR ( OC_FILE_I16 | OC_VAR_I32, 1, &_saved_scrollpos_x ),
OCL_VAR ( OC_FILE_I16 | OC_VAR_I32, 1, &_saved_scrollpos_y ),
OCL_VAR ( OC_FILE_U16 | OC_VAR_U8, 1, &_saved_scrollpos_zoom ),
OCL_NULL( 4 ), ///< max_loan
OCL_VAR ( OC_FILE_U32 | OC_VAR_I64, 1, &_economy.old_max_loan_unround ),
OCL_VAR ( OC_INT16, 1, &_economy.fluct ),
OCL_VAR ( OC_UINT16, 1, &_disaster_delay ),
OCL_ASSERT( OC_TTO, 0x496E4 ),
OCL_CNULL( OC_TTD, 144 ), ///< cargo-stuff
OCL_CCHUNK( OC_TTD, 256, LoadOldEngineName ),
OCL_CNULL( OC_TTD, 144 ), ///< AI cargo-stuff
OCL_NULL( 2 ), ///< Company indexes of companies, no longer in use
OCL_NULL( 1 ), ///< Station tick counter, no longer in use
OCL_VAR ( OC_UINT8, 1, &_settings_game.locale.currency ),
OCL_VAR ( OC_UINT8, 1, &_old_units ),
OCL_VAR ( OC_FILE_U8 | OC_VAR_U32, 1, &_cur_company_tick_index ),
OCL_NULL( 2 ), ///< Date stuff, calculated automatically
OCL_NULL( 8 ), ///< Company colours, calculated automatically
OCL_VAR ( OC_UINT8, 1, &_economy.infl_amount ),
OCL_VAR ( OC_UINT8, 1, &_economy.infl_amount_pr ),
OCL_VAR ( OC_UINT8, 1, &_economy.interest_rate ),
OCL_NULL( 1 ), // available airports
OCL_VAR ( OC_UINT8, 1, &_settings_game.vehicle.road_side ),
OCL_VAR ( OC_UINT8, 1, &_settings_game.game_creation.town_name ),
OCL_CHUNK( 1, LoadOldGameDifficulty ),
OCL_ASSERT( OC_TTD, 0x77130 ),
OCL_VAR ( OC_UINT8, 1, &_old_diff_level ),
OCL_VAR ( OC_TTD | OC_UINT8, 1, &_settings_game.game_creation.landscape ),
OCL_VAR ( OC_TTD | OC_UINT8, 1, &_trees_tick_ctr ),
OCL_CNULL( OC_TTD, 1 ), ///< Custom vehicle types yes/no, no longer used
OCL_VAR ( OC_TTD | OC_UINT8, 1, &_settings_game.game_creation.snow_line_height ),
OCL_CNULL( OC_TTD, 32 ), ///< new_industry_randtable, no longer used (because of new design)
OCL_CNULL( OC_TTD, 36 ), ///< cargo-stuff
OCL_ASSERT( OC_TTD, 0x77179 ),
OCL_ASSERT( OC_TTO, 0x4971D ),
OCL_CHUNK( 1, LoadOldMapPart2 ),
OCL_ASSERT( OC_TTD, 0x97179 ),
OCL_ASSERT( OC_TTO, 0x6971D ),
/* Below any (if available) extra chunks from TTDPatch can follow */
OCL_CHUNK(1, LoadTTDPatchExtraChunks),
OCL_END()
};
bool LoadTTDMain(LoadgameState *ls)
{
Debug(oldloader, 3, "Reading main chunk...");
_read_ttdpatch_flags = false;
/* Load the biggest chunk */
_old_vehicle_names = nullptr;
try {
if (!LoadChunk(ls, nullptr, main_chunk)) {
Debug(oldloader, 0, "Loading failed");
free(_old_vehicle_names);
return false;
}
} catch (...) {
free(_old_vehicle_names);
throw;
}
Debug(oldloader, 3, "Done, converting game data...");
FixTTDMapArray();
FixTTDDepots();
/* Fix some general stuff */
_settings_game.game_creation.landscape = _settings_game.game_creation.landscape & 0xF;
/* Fix the game to be compatible with OpenTTD */
FixOldTowns();
FixOldVehicles();
/* We have a new difficulty setting */
_settings_game.difficulty.town_council_tolerance = Clamp(_old_diff_level, 0, 2);
Debug(oldloader, 3, "Finished converting game data");
Debug(oldloader, 1, "TTD(Patch) savegame successfully converted");
free(_old_vehicle_names);
return true;
}
bool LoadTTOMain(LoadgameState *ls)
{
Debug(oldloader, 3, "Reading main chunk...");
_read_ttdpatch_flags = false;
std::array<uint8_t, 103 * sizeof(Engine)> engines; // we don't want to call Engine constructor here
_old_engines = (Engine *)engines.data();
std::array<StringID, 800> vehnames;
_old_vehicle_names = vehnames.data();
/* Load the biggest chunk */
if (!LoadChunk(ls, nullptr, main_chunk)) {
Debug(oldloader, 0, "Loading failed");
return false;
}
Debug(oldloader, 3, "Done, converting game data...");
if (_settings_game.game_creation.town_name != 0) _settings_game.game_creation.town_name++;
_settings_game.game_creation.landscape = 0;
_trees_tick_ctr = 0xFF;
if (!FixTTOMapArray() || !FixTTOEngines()) {
Debug(oldloader, 0, "Conversion failed");
return false;
}
FixOldTowns();
FixOldVehicles();
FixTTOCompanies();
/* We have a new difficulty setting */
_settings_game.difficulty.town_council_tolerance = Clamp(_old_diff_level, 0, 2);
/* SVXConverter about cargo payment rates correction:
* "increase them to compensate for the faster time advance in TTD compared to TTO
* which otherwise would cause much less income while the annual running costs of
* the vehicles stay the same" */
_economy.inflation_payment = std::min(_economy.inflation_payment * 124 / 74, MAX_INFLATION);
Debug(oldloader, 3, "Finished converting game data");
Debug(oldloader, 1, "TTO savegame successfully converted");
return true;
}
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