diff options
Diffstat (limited to 'src/saveload/ttdloader.cpp')
| -rw-r--r-- | src/saveload/ttdloader.cpp | 1252 |
1 files changed, 1252 insertions, 0 deletions
diff --git a/src/saveload/ttdloader.cpp b/src/saveload/ttdloader.cpp new file mode 100644 index 000000000..b086400f0 --- /dev/null +++ b/src/saveload/ttdloader.cpp @@ -0,0 +1,1252 @@ +/* $Id$ */ + +/** @file oldloader.cpp Loading of old TTD(patch) savegames. */ + +#include "../stdafx.h" +#include "../openttd.h" +#include "../station_map.h" +#include "../town.h" +#include "../industry.h" +#include "../company_func.h" +#include "../company_base.h" +#include "../aircraft.h" +#include "../roadveh.h" +#include "../ship.h" +#include "../train.h" +#include "../signs_base.h" +#include "../debug.h" +#include "../depot_base.h" +#include "../newgrf_config.h" +#include "../ai/ai.hpp" +#include "../zoom_func.h" +#include "../functions.h" +#include "../date_func.h" +#include "../vehicle_func.h" +#include "../variables.h" +#include "../strings_func.h" +#include "../effectvehicle_base.h" +#include "../string_func.h" +#include "../core/mem_func.hpp" +#include "../core/alloc_type.hpp" + +#include "table/strings.h" + +#include "oldloader.h" +#include "saveload_internal.h" + + +extern SavegameType _savegame_type; +extern uint32 _ttdp_version; +static bool _read_ttdpatch_flags; + +static uint8 *_old_map3; + +void FixOldMapArray() +{ + /* _old_map3 is moved to _m::m3 and _m::m4 */ + for (TileIndex t = 0; t < OLD_MAP_SIZE; t++) { + _m[t].m3 = _old_map3[t * 2]; + _m[t].m4 = _old_map3[t * 2 + 1]; + } + + for (TileIndex t = 0; t < OLD_MAP_SIZE; t++) { + switch (GetTileType(t)) { + case MP_STATION: + _m[t].m4 = 0; // We do not understand this TTDP station mapping (yet) + switch (_m[t].m5) { + /* We have drive through stops at a totally different place */ + case 0x53: case 0x54: _m[t].m5 += 170 - 0x53; break; // Bus drive through + case 0x57: case 0x58: _m[t].m5 += 168 - 0x57; break; // Truck drive through + case 0x55: case 0x56: _m[t].m5 += 170 - 0x55; break; // Bus tram stop + case 0x59: case 0x5A: _m[t].m5 += 168 - 0x59; break; // Truck tram stop + default: break; + } + break; + + case MP_RAILWAY: + /* We save presignals different from TTDPatch, convert them */ + if (GB(_m[t].m5, 6, 2) == 1) { // RAIL_TILE_SIGNALS + /* This byte is always zero in TTD for this type of tile */ + if (_m[t].m4) { // Convert the presignals to our own format + _m[t].m4 = (_m[t].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 */ + _m[t].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(_m[t].m3, 0, 2) == 3) { + SetTileType(t, MP_WATER); + SetTileOwner(t, OWNER_WATER); + _m[t].m2 = 0; + _m[t].m3 = 2; // WATER_CLASS_RIVER + _m[t].m4 = Random(); + _m[t].m5 = 0; + } + break; + + default: + break; + } + } + + /* Some old TTD(Patch) savegames could have buoys at tile 0 + * (without assigned station struct) */ + MemSetT(&_m[0], 0); + SetTileType(0, MP_WATER); + SetTileOwner(0, OWNER_WATER); +} + +extern uint32 GetOldTownName(uint32 townnameparts, byte old_town_name_type); + +void FixOldTowns() +{ + Town *town; + + /* Convert town-names if needed */ + FOR_ALL_TOWNS(town) { + if (IsInsideMM(town->townnametype, 0x20C1, 0x20C3)) { + town->townnametype = SPECSTR_TOWNNAME_ENGLISH + _settings_game.game_creation.town_name; + town->townnameparts = GetOldTownName(town->townnameparts, _settings_game.game_creation.town_name); + } + } +} + +StringID *_old_vehicle_names = NULL; + +void FixOldVehicles() +{ + Vehicle *v; + + FOR_ALL_VEHICLES(v) { + /* 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 && + v->u.road.state != RVSB_IN_DEPOT && + v->u.road.state != RVSB_WORMHOLE) { + ClrBit(v->u.road.state, RVS_IS_STOPPING); + } + + /* 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 */ + } +} + + +/* The savegames has some hard-coded pointers, because it always enters the same + * piece of memory.. we don't.. so we need to remap ;) + * Old Towns are 94 bytes big + * Old Orders are 2 bytes big */ +#define REMAP_TOWN_IDX(x) ((x) - (0x0459154 - 0x0458EF0)) / 94 +#define REMAP_ORDER_IDX(x) ((x) - (0x045AB08 - 0x0458EF0)) / 2 + +extern TileIndex *_animated_tile_list; +extern uint _animated_tile_count; +extern char *_old_name_array; + +static byte _old_vehicle_multiplier; +static uint32 _old_town_index; +static uint16 _old_string_id; +static uint16 _old_string_id_2; +static uint16 _old_extra_chunk_nums; + +static void ReadTTDPatchFlags() +{ + if (_read_ttdpatch_flags) return; + + _read_ttdpatch_flags = true; + + /* TTDPatch misuses _old_map3 for flags.. read them! */ + _old_vehicle_multiplier = _old_map3[0]; + /* 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 multipler is anything else but 1, the assert fails.. + bump the assert value so it doesn't! + (1 multipler == 850 vehicles + 1 vehicle == 128 bytes */ + _bump_assert_value = (_old_vehicle_multiplier - 1) * 850 * 128; + + for (uint i = 0; i < 17; i++) { // check tile 0, too + if (_old_map3[i] != 0) _savegame_type = SGT_TTDP1; + } + + /* Check if we have a modern TTDPatch savegame (has extra data all around) */ + if (memcmp(&_old_map3[0x1FFFA], "TTDp", 4) == 0) _savegame_type = SGT_TTDP2; + + _old_extra_chunk_nums = _old_map3[_savegame_type == SGT_TTDP2 ? 0x1FFFE : 0x2]; + + /* Clean the misused places */ + for (uint i = 0; i < 17; i++) _old_map3[i] = 0; + for (uint i = 0x1FE00; i < 0x20000; i++) _old_map3[i] = 0; + + if (_savegame_type == SGT_TTDP2) DEBUG(oldloader, 2, "Found TTDPatch game"); + + DEBUG(oldloader, 3, "Vehicle-multiplier is set to %d (%d 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_UINT8, 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_UINT16, Town, flags12 ), + OCL_NULL( 10 ), ///< radius, no longer in use + + OCL_SVAR( OC_UINT16, Town, ratings[0] ), + OCL_SVAR( OC_UINT16, Town, ratings[1] ), + OCL_SVAR( OC_UINT16, Town, ratings[2] ), + OCL_SVAR( OC_UINT16, Town, ratings[3] ), + OCL_SVAR( OC_UINT16, Town, ratings[4] ), + OCL_SVAR( OC_UINT16, Town, ratings[5] ), + OCL_SVAR( OC_UINT16, Town, ratings[6] ), + OCL_SVAR( OC_UINT16, 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_UINT8, Town, time_until_rebuild ), + OCL_SVAR( OC_UINT8, Town, growth_rate ), + + OCL_SVAR( OC_UINT16, Town, new_max_pass ), + OCL_SVAR( OC_UINT16, Town, new_max_mail ), + OCL_SVAR( OC_UINT16, Town, new_act_pass ), + OCL_SVAR( OC_UINT16, Town, new_act_mail ), + OCL_SVAR( OC_UINT16, Town, max_pass ), + OCL_SVAR( OC_UINT16, Town, max_mail ), + OCL_SVAR( OC_UINT16, Town, act_pass ), + OCL_SVAR( OC_UINT16, Town, act_mail ), + + OCL_SVAR( OC_UINT8, Town, pct_pass_transported ), + OCL_SVAR( OC_UINT8, Town, pct_mail_transported ), + + OCL_SVAR( OC_UINT16, Town, new_act_food ), + OCL_SVAR( OC_UINT16, Town, new_act_water ), + OCL_SVAR( OC_UINT16, Town, act_food ), + OCL_SVAR( OC_UINT16, Town, act_water ), + + OCL_SVAR( OC_UINT8, Town, road_build_months ), + OCL_SVAR( OC_UINT8, Town, fund_buildings_months ), + + OCL_NULL( 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) t->xy = INVALID_TILE; + + return true; +} + +static uint16 _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, NULL, order_chunk)) return false; + + new (num) Order(UnpackOldOrder(_old_order)); + + /* Relink the orders to eachother (in TTD(Patch) the orders for one + vehicle are behind eachother, with an invalid order (OT_NOTHING) as indication that + it is the last order */ + if (num > 0 && GetOrder(num)->IsValid()) + GetOrder(num - 1)->next = GetOrder(num); + + return true; +} + +static bool LoadOldAnimTileList(LoadgameState *ls, int num) +{ + /* This is sligthly hackish - we must load a chunk into an array whose + * address isn't static, but instead pointed to by _animated_tile_list. + * To achieve that, create an OldChunks list on the stack on the fly. + * The list cannot be static because the value of _animated_tile_list + * can change between calls. */ + + const OldChunks anim_chunk[] = { + OCL_VAR ( OC_TILE, 256, _animated_tile_list ), + OCL_END () + }; + + if (!LoadChunk(ls, NULL, anim_chunk)) return false; + + /* Update the animated tile counter by counting till the first zero in the array */ + for (_animated_tile_count = 0; _animated_tile_count < 256; _animated_tile_count++) { + if (_animated_tile_list[_animated_tile_count] == 0) break; + } + + 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) { + GetDepot(num)->town_index = REMAP_TOWN_IDX(_old_town_index); + } else { + d->xy = INVALID_TILE; + } + + return true; +} + +static int32 _old_price; +static uint16 _old_price_frac; +static const OldChunks price_chunk[] = { + OCL_VAR ( OC_INT32, 1, &_old_price ), + OCL_VAR ( OC_UINT16, 1, &_old_price_frac ), + OCL_END() +}; + +static bool LoadOldPrice(LoadgameState *ls, int num) +{ + if (!LoadChunk(ls, NULL, price_chunk)) return false; + + /* We use a struct to store the prices, but they are ints in a row.. + so just access the struct as an array of int32's */ + ((Money*)&_price)[num] = _old_price; + _price_frac[num] = _old_price_frac; + + return true; +} + +static const OldChunks cargo_payment_rate_chunk[] = { + OCL_VAR ( OC_INT32, 1, &_old_price ), + OCL_VAR ( OC_UINT16, 1, &_old_price_frac ), + + OCL_NULL( 2 ), ///< Junk + OCL_END() +}; + +static bool LoadOldCargoPaymentRate(LoadgameState *ls, int num) +{ + if (!LoadChunk(ls, NULL, cargo_payment_rate_chunk)) return false; + + _cargo_payment_rates[num] = -_old_price; + _cargo_payment_rates_frac[num] = _old_price_frac; + + return true; +} + +static uint _current_station_id; +static uint16 _waiting_acceptance; +static uint8 _cargo_source; +static uint8 _cargo_days; + +static const OldChunks goods_chunk[] = { + OCL_VAR ( OC_UINT16, 1, &_waiting_acceptance ), + OCL_SVAR( OC_UINT8, GoodsEntry, days_since_pickup ), + OCL_SVAR( OC_UINT8, GoodsEntry, rating ), + OCL_VAR ( OC_UINT8, 1, &_cargo_source ), + OCL_VAR ( OC_UINT8, 1, &_cargo_days ), + OCL_SVAR( OC_UINT8, GoodsEntry, last_speed ), + OCL_SVAR( OC_UINT8, GoodsEntry, last_age ), + + OCL_END() +}; + +static bool LoadOldGood(LoadgameState *ls, int num) +{ + Station *st = GetStation(_current_station_id); + GoodsEntry *ge = &st->goods[num]; + bool ret = LoadChunk(ls, ge, goods_chunk); + if (!ret) return false; + + SB(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15)); + SB(ge->acceptance_pickup, GoodsEntry::PICKUP, 1, _cargo_source != 0xFF); + if (GB(_waiting_acceptance, 0, 12) != 0) { + CargoPacket *cp = new CargoPacket(); + cp->source = (_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source; + cp->count = GB(_waiting_acceptance, 0, 12); + cp->days_in_transit = _cargo_days; + ge->cargo.Append(cp); + } + return ret; +} + +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_tile ), + OCL_SVAR( OC_TILE, Station, airport_tile ), + OCL_SVAR( OC_TILE, Station, dock_tile ), + OCL_SVAR( OC_UINT8, Station, trainst_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_UINT16, 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_UINT8, Station, airport_type ), + /* Bus/truck status, no longer in use + * Blocked months + * Unknown + */ + OCL_NULL( 4 ), + OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Station, airport_flags ), + OCL_NULL( 2 ), ///< last_vehicle. now last_vehicle_type + + OCL_NULL( 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 = GetTown(REMAP_TOWN_IDX(_old_town_index)); + st->string_id = RemapOldStringID(_old_string_id); + } else { + st->xy = INVALID_TILE; + } + + return true; +} + +static const OldChunks industry_chunk[] = { + OCL_SVAR( OC_TILE, Industry, xy ), + OCL_VAR ( OC_UINT32, 1, &_old_town_index ), + OCL_SVAR( OC_UINT8, Industry, width ), + OCL_SVAR( OC_UINT8, Industry, height ), + OCL_NULL( 2 ), ///< used to be industry's produced_cargo + + OCL_SVAR( OC_UINT16, Industry, produced_cargo_waiting[0] ), + OCL_SVAR( OC_UINT16, Industry, produced_cargo_waiting[1] ), + + OCL_SVAR( OC_UINT8, Industry, production_rate[0] ), + OCL_SVAR( OC_UINT8, Industry, production_rate[1] ), + + OCL_NULL( 3 ), ///< used to be industry's accepts_cargo + + OCL_SVAR( OC_UINT8, Industry, prod_level ), + + OCL_SVAR( OC_UINT16, Industry, this_month_production[0] ), + OCL_SVAR( OC_UINT16, Industry, this_month_production[1] ), + OCL_SVAR( OC_UINT16, Industry, this_month_transported[0] ), + OCL_SVAR( OC_UINT16, Industry, this_month_transported[1] ), + + OCL_SVAR( OC_UINT8, Industry, last_month_pct_transported[0] ), + OCL_SVAR( OC_UINT8, Industry, last_month_pct_transported[1] ), + + OCL_SVAR( OC_UINT16, Industry, last_month_production[0] ), + OCL_SVAR( OC_UINT16, Industry, last_month_production[1] ), + OCL_SVAR( OC_UINT16, Industry, last_month_transported[0] ), + OCL_SVAR( OC_UINT16, Industry, last_month_transported[1] ), + + OCL_SVAR( OC_UINT8, Industry, type ), + OCL_SVAR( OC_UINT8, Industry, owner ), + OCL_SVAR( OC_UINT8, Industry, random_color ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Industry, last_prod_year ), + OCL_SVAR( OC_UINT16, Industry, counter ), + OCL_SVAR( OC_UINT8, Industry, was_cargo_delivered ), + + OCL_NULL( 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->xy != 0) { + i->town = GetTown(REMAP_TOWN_IDX(_old_town_index)); + IncIndustryTypeCount(i->type); + } else { + i->xy = INVALID_TILE; + } + + return true; +} + +static CompanyID _current_company_id; +static int32 _old_yearly; + +static const OldChunks _company_yearly_chunk[] = { + OCL_VAR( OC_INT32, 1, &_old_yearly ), + OCL_END() +}; + +static bool OldCompanyYearly(LoadgameState *ls, int num) +{ + int i; + Company *c = GetCompany(_current_company_id); + + for (i = 0; i < 13; i++) { + if (!LoadChunk(ls, NULL, _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 ), + OCL_SVAR( OC_INT32, CompanyEconomyEntry, performance_history ), + OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, company_value ), + + OCL_END() +}; + +static bool OldCompanyEconomy(LoadgameState *ls, int num) +{ + int i; + Company *c = GetCompany(_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 (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, quarters_of_bankrupcy ), + OCL_SVAR( OC_UINT8, Company, bankrupt_asked ), + OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Company, bankrupt_value ), + OCL_SVAR( OC_UINT16, Company, bankrupt_timeout ), + + OCL_SVAR( OC_UINT32, Company, cargo_types ), + + OCL_CHUNK( 3, OldCompanyYearly ), + OCL_CHUNK( 1, OldCompanyEconomy ), + + 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_NULL( 1 ), // Old AI + OCL_SVAR( OC_UINT8, Company, avail_railtypes ), + OCL_SVAR( OC_TILE, Company, location_of_HQ ), + OCL_SVAR( OC_UINT8, Company, share_owners[0] ), + OCL_SVAR( OC_UINT8, Company, share_owners[1] ), + OCL_SVAR( OC_UINT8, Company, share_owners[2] ), + OCL_SVAR( OC_UINT8, Company, share_owners[3] ), + + OCL_NULL( 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; + } + + 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 companys 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 -= ORIGINAL_BASE_YEAR; + + return true; +} + +static uint32 _old_order_ptr; +static uint16 _old_next_ptr; +static uint32 _current_vehicle_id; + +static const OldChunks vehicle_train_chunk[] = { + OCL_SVAR( OC_UINT8, VehicleRail, track ), + OCL_SVAR( OC_UINT8, VehicleRail, force_proceed ), + OCL_SVAR( OC_UINT16, VehicleRail, crash_anim_pos ), + OCL_SVAR( OC_UINT8, VehicleRail, railtype ), + + OCL_NULL( 5 ), ///< Junk + + OCL_END() +}; + +static const OldChunks vehicle_road_chunk[] = { + OCL_SVAR( OC_UINT8, VehicleRoad, state ), + OCL_SVAR( OC_UINT8, VehicleRoad, frame ), + OCL_SVAR( OC_UINT16, VehicleRoad, blocked_ctr ), + OCL_SVAR( OC_UINT8, VehicleRoad, overtaking ), + OCL_SVAR( OC_UINT8, VehicleRoad, overtaking_ctr ), + OCL_SVAR( OC_UINT16, VehicleRoad, crashed_ctr ), + OCL_SVAR( OC_UINT8, VehicleRoad, reverse_ctr ), + + OCL_NULL( 1 ), ///< Junk + + OCL_END() +}; + +static const OldChunks vehicle_ship_chunk[] = { + OCL_SVAR( OC_UINT8, VehicleShip, state ), + + OCL_NULL( 9 ), ///< Junk + + OCL_END() +}; + +static const OldChunks vehicle_air_chunk[] = { + OCL_SVAR( OC_UINT8, VehicleAir, pos ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, VehicleAir, targetairport ), + OCL_SVAR( OC_UINT16, VehicleAir, crashed_counter ), + OCL_SVAR( OC_UINT8, VehicleAir, state ), + + OCL_NULL( 5 ), ///< Junk + + OCL_END() +}; + +static const OldChunks vehicle_effect_chunk[] = { + OCL_SVAR( OC_UINT16, VehicleEffect, animation_state ), + OCL_SVAR( OC_UINT8, VehicleEffect, animation_substate ), + + OCL_NULL( 7 ), // Junk + + OCL_END() +}; + +static const OldChunks vehicle_disaster_chunk[] = { + OCL_SVAR( OC_UINT16, VehicleDisaster, image_override ), + OCL_SVAR( OC_UINT16, VehicleDisaster, 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 num) +{ + Vehicle *v = GetVehicle(_current_vehicle_id); + uint temp = ls->total_read; + bool res; + + switch (v->type) { + default: NOT_REACHED(); + case VEH_INVALID : res = LoadChunk(ls, NULL, vehicle_empty_chunk); break; + case VEH_TRAIN : res = LoadChunk(ls, &v->u.rail, vehicle_train_chunk); break; + case VEH_ROAD : res = LoadChunk(ls, &v->u.road, vehicle_road_chunk); break; + case VEH_SHIP : res = LoadChunk(ls, &v->u.ship, vehicle_ship_chunk); break; + case VEH_AIRCRAFT: res = LoadChunk(ls, &v->u.air, vehicle_air_chunk); break; + case VEH_EFFECT : res = LoadChunk(ls, &v->u.effect, vehicle_effect_chunk); break; + case VEH_DISASTER: res = LoadChunk(ls, &v->u.disaster, 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 _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_order_index ), + OCL_SVAR( OC_TILE, Vehicle, dest_tile ), + OCL_SVAR( OC_UINT16, Vehicle, load_unload_time_rem ), + 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_UINT8, Vehicle, tick_counter ), + OCL_SVAR( OC_UINT16, Vehicle, max_speed ), + + 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_UINT8, 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_UINT16, Vehicle, cur_image ), + + OCL_NULL( 8 ), ///< Vehicle sprite box, calculated automatically + + OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Vehicle, vehstatus ), + OCL_SVAR( OC_UINT16, 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_UINT16, Vehicle, cargo_cap ), + OCL_VAR ( OC_UINT16, 1, &_cargo_count ), + OCL_VAR ( OC_UINT8, 1, &_cargo_source ), + OCL_VAR ( OC_UINT8, 1, &_cargo_days ), + + 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_UINT16, 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_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_NULL( 20 ), ///< Junk at end of struct (TTDPatch has some data in it) + + OCL_END() +}; + +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; + + /* Read the vehicle type and allocate the right vehicle */ + Vehicle *v; + switch (ReadByte(ls)) { + default: NOT_REACHED(); + case 0x00 /*VEH_INVALID */: v = new (_current_vehicle_id) InvalidVehicle(); 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; + + /* 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 old_id = REMAP_ORDER_IDX(_old_order_ptr); + /* There is a maximum of 5000 orders in old savegames, so *if* + * we go over that limit something is very wrong. In that case + * we just assume there are no orders for the vehicle. + */ + if (old_id < 5000) v->orders.old = GetOrder(old_id); + } + v->current_order.AssignOrder(UnpackOldOrder(_old_order)); + + if (_old_next_ptr != 0xFFFF) v->next = GetVehiclePoolSize() <= _old_next_ptr ? new (_old_next_ptr) InvalidVehicle() : GetVehicle(_old_next_ptr); + + _old_vehicle_names[_current_vehicle_id] = RemapOldStringID(_old_string_id); + + if (_cargo_count != 0) { + CargoPacket *cp = new CargoPacket((_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source, _cargo_count); + cp->days_in_transit = _cargo_days; + v->cargo.Append(cp); + } + } + + 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) { + _old_string_id = RemapOldStringID(_old_string_id); + si->name = CopyFromOldName(_old_string_id); + si->owner = OWNER_NONE; + } + + 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_SVAR( OC_UINT8, Engine, lifelength ), + OCL_SVAR( OC_UINT8, Engine, flags ), + OCL_SVAR( OC_UINT8, Engine, preview_company_rank ), + OCL_SVAR( OC_UINT8, Engine, preview_wait ), + + OCL_NULL( 2 ), ///< railtype + junk + + OCL_END() +}; + +static bool LoadOldEngine(LoadgameState *ls, int num) +{ + Engine *e = 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, age ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, from ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, to ), + + OCL_END() +}; + +static inline bool LoadOldSubsidy(LoadgameState *ls, int num) +{ + return LoadChunk(ls, &_subsidies[num], subsidy_chunk); +} + +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, number_industries ), + 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 inline bool LoadOldGameDifficulty(LoadgameState *ls, int num) +{ + bool ret = LoadChunk(ls, &_settings_game.difficulty, game_difficulty_chunk); + _settings_game.difficulty.max_loan *= 1000; + return ret; +} + + +static bool LoadOldMapPart1(LoadgameState *ls, int num) +{ + uint i; + + for (i = 0; i < OLD_MAP_SIZE; i++) { + _m[i].m1 = ReadByte(ls); + } + for (i = 0; i < OLD_MAP_SIZE; i++) { + _m[i].m2 = ReadByte(ls); + } + for (i = 0; i < OLD_MAP_SIZE; i++) { + _old_map3[i * 2] = ReadByte(ls); + _old_map3[i * 2 + 1] = ReadByte(ls); + } + for (i = 0; i < OLD_MAP_SIZE / 4; i++) { + byte b = ReadByte(ls); + _m[i * 4 + 0].m6 = GB(b, 0, 2); + _m[i * 4 + 1].m6 = GB(b, 2, 2); + _m[i * 4 + 2].m6 = GB(b, 4, 2); + _m[i * 4 + 3].m6 = GB(b, 6, 2); + } + + return !ls->failed; +} + +static bool LoadOldMapPart2(LoadgameState *ls, int num) +{ + uint i; + + for (i = 0; i < OLD_MAP_SIZE; i++) { + _m[i].type_height = ReadByte(ls); + } + for (i = 0; i < OLD_MAP_SIZE; i++) { + _m[i].m5 = ReadByte(ls); + } + + return !ls->failed; +} + +static bool LoadTTDPatchExtraChunks(LoadgameState *ls, int num) +{ + ReadTTDPatchFlags(); + + DEBUG(oldloader, 2, "Found %d extra chunk(s)", _old_extra_chunk_nums); + + for (int i = 0; i != _old_extra_chunk_nums; i++) { + uint16 id = ReadUint16(ls); + uint32 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 grfid = ReadUint32(ls); + + if (ReadByte(ls) == 1) { + GRFConfig *c = CallocT<GRFConfig>(1); + c->grfid = grfid; + c->filename = strdup("TTDP game, no information"); + + AppendToGRFConfigList(&_grfconfig, c); + DEBUG(oldloader, 3, "TTDPatch game using GRF file with GRFID %0X", BSWAP32(c->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 %d.%d.%d r%d", + 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 %X", id); + while (len-- != 0) ReadByte(ls); + break; + } + } + + return !ls->failed; +} + +extern TileIndex _cur_tileloop_tile; +static uint32 _old_cur_town_ctr; +static const OldChunks main_chunk[] = { + OCL_ASSERT( 0 ), + OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &_date ), + OCL_VAR ( OC_UINT16, 1, &_date_fract ), + OCL_NULL( 600 ), ///< TextEffects + OCL_VAR ( OC_UINT32, 2, &_random.state ), + + OCL_ASSERT( 0x264 ), + OCL_CHUNK( 70, LoadOldTown ), + OCL_ASSERT( 0x1C18 ), + OCL_CHUNK(5000, LoadOldOrder ), + OCL_ASSERT( 0x4328 ), + + OCL_CHUNK( 1, LoadOldAnimTileList ), + OCL_NULL( 4 ), ///< old end-of-order-list-pointer, no longer in use + + OCL_CHUNK( 255, LoadOldDepot ), + OCL_ASSERT( 0x4B26 ), + + OCL_VAR ( OC_UINT32, 1, &_old_cur_town_ctr ), + 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_UINT16, 1, &_tick_counter ), + OCL_VAR ( OC_TILE, 1, &_cur_tileloop_tile ), + + OCL_CHUNK( 49, LoadOldPrice ), + OCL_CHUNK( 12, LoadOldCargoPaymentRate ), + + OCL_ASSERT( 0x4CBA ), + + OCL_CHUNK( 1, LoadOldMapPart1 ), + + OCL_ASSERT( 0x48CBA ), + + OCL_CHUNK(250, LoadOldStation ), + OCL_CHUNK( 90, LoadOldIndustry ), + OCL_CHUNK( 8, LoadOldCompany ), + + OCL_ASSERT( 0x547F2 ), + + OCL_CHUNK( 850, LoadOldVehicle ), + + OCL_ASSERT( 0x6F0F2 ), + + OCL_VAR ( OC_UINT8 | OC_DEREFERENCE_POINTER, 32 * 500, &_old_name_array ), + + OCL_NULL( 0x2000 ), ///< Old hash-table, no longer in use + + OCL_CHUNK( 40, LoadOldSign ), + OCL_CHUNK(256, LoadOldEngine ), + + OCL_VAR ( OC_UINT16, 1, &_vehicle_id_ctr_day ), + + OCL_CHUNK( 8, LoadOldSubsidy ), + + OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &_next_competitor_start ), + 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_VAR ( OC_FILE_U32 | OC_VAR_I64, 1, &_economy.max_loan ), + OCL_VAR ( OC_FILE_U32 | OC_VAR_I64, 1, &_economy.max_loan_unround ), + OCL_VAR ( OC_INT16, 1, &_economy.fluct ), + + OCL_VAR ( OC_UINT16, 1, &_disaster_delay ), + + OCL_NULL( 144 ), ///< cargo-stuff, calculated in InitializeLandscapeVariables + + OCL_CHUNK(256, LoadOldEngineName ), + + OCL_NULL( 144 ), ///< AI cargo-stuff, calculated in InitializeLandscapeVariables + OCL_NULL( 2 ), ///< Company indexes of companies, no longer in use + + OCL_VAR ( OC_FILE_U8 | OC_VAR_U16, 1, &_station_tick_ctr ), + + OCL_VAR ( OC_UINT8, 1, &_settings_game.locale.currency ), + OCL_VAR ( OC_UINT8, 1, &_settings_game.locale.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 colors, 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( 0x77130 ), + + OCL_VAR ( OC_UINT8, 1, &_settings_game.difficulty.diff_level ), + OCL_VAR ( OC_UINT8, 1, &_settings_game.game_creation.landscape ), + OCL_VAR ( OC_UINT8, 1, &_trees_tick_ctr ), + + OCL_NULL( 1 ), ///< Custom vehicle types yes/no, no longer used + OCL_VAR ( OC_UINT8, 1, &_settings_game.game_creation.snow_line ), + + OCL_NULL( 32 ), ///< new_industry_randtable, no longer used (because of new design) + OCL_NULL( 36 ), ///< cargo-stuff, calculated in InitializeLandscapeVariables + + OCL_ASSERT( 0x77179 ), + + OCL_CHUNK( 1, LoadOldMapPart2 ), + + OCL_ASSERT( 0x97179 ), + + /* Below any (if available) extra chunks from TTDPatch can follow */ + OCL_CHUNK(1, LoadTTDPatchExtraChunks), + + OCL_END() +}; + +bool LoadOldMain(LoadgameState *ls) +{ + _savegame_type = SGT_TTD; + _ttdp_version = 0; + _read_ttdpatch_flags = false; + + DEBUG(oldloader, 3, "Reading main chunk..."); + /* Load the biggest chunk */ + SmallStackSafeStackAlloc<byte, OLD_MAP_SIZE * 2> map3; + _old_map3 = map3.data; + _old_vehicle_names = NULL; + if (!LoadChunk(ls, NULL, main_chunk)) { + DEBUG(oldloader, 0, "Loading failed"); + free(_old_vehicle_names); + return false; + } + DEBUG(oldloader, 3, "Done, converting game data..."); + + FixOldMapArray(); + + /* Fix some general stuff */ + _settings_game.game_creation.landscape = _settings_game.game_creation.landscape & 0xF; + + /* Remap some pointers */ + _cur_town_ctr = REMAP_TOWN_IDX(_old_cur_town_ctr); + + /* Fix the game to be compatible with OpenTTD */ + FixOldTowns(); + FixOldVehicles(); + + /* We have a new difficulty setting */ + _settings_game.difficulty.town_council_tolerance = Clamp(_settings_game.difficulty.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; +} |