diff options
Diffstat (limited to 'src/saveload')
| -rw-r--r-- | src/saveload/oldloader.cpp | 1343 | ||||
| -rw-r--r-- | src/saveload/oldloader.h | 124 | ||||
| -rw-r--r-- | src/saveload/ttdloader.cpp | 1252 |
3 files changed, 1383 insertions, 1336 deletions
diff --git a/src/saveload/oldloader.cpp b/src/saveload/oldloader.cpp index 2ae3671bc..1e97cef18 100644 --- a/src/saveload/oldloader.cpp +++ b/src/saveload/oldloader.cpp @@ -33,98 +33,17 @@ #include "saveload.h" #include "saveload_internal.h" +#include "oldloader.h" enum { HEADER_SIZE = 49, - BUFFER_SIZE = 4096, - - OLD_MAP_SIZE = 256 * 256 -}; - -struct LoadgameState { - FILE *file; - - uint chunk_size; - - bool decoding; - byte decode_char; - - uint buffer_count; - uint buffer_cur; - byte buffer[BUFFER_SIZE]; - - uint total_read; - bool failed; -}; - -/* OldChunk-Type */ -enum OldChunkType { - OC_SIMPLE = 0, - OC_NULL = 1, - OC_CHUNK = 2, - OC_ASSERT = 3, - /* 8 bits allocated (256 max) */ - - OC_VAR_I8 = 1 << 8, - OC_VAR_U8 = 2 << 8, - OC_VAR_I16 = 3 << 8, - OC_VAR_U16 = 4 << 8, - OC_VAR_I32 = 5 << 8, - OC_VAR_U32 = 6 << 8, - OC_VAR_I64 = 7 << 8, - /* 8 bits allocated (256 max) */ - - OC_FILE_I8 = 1 << 16, - OC_FILE_U8 = 2 << 16, - OC_FILE_I16 = 3 << 16, - OC_FILE_U16 = 4 << 16, - OC_FILE_I32 = 5 << 16, - OC_FILE_U32 = 6 << 16, - /* 8 bits allocated (256 max) */ - - OC_INT8 = OC_VAR_I8 | OC_FILE_I8, - OC_UINT8 = OC_VAR_U8 | OC_FILE_U8, - OC_INT16 = OC_VAR_I16 | OC_FILE_I16, - OC_UINT16 = OC_VAR_U16 | OC_FILE_U16, - OC_INT32 = OC_VAR_I32 | OC_FILE_I32, - OC_UINT32 = OC_VAR_U32 | OC_FILE_U32, - - OC_TILE = OC_VAR_U32 | OC_FILE_U16, - - /** - * Dereference the pointer once before writing to it, - * so we do not have to use big static arrays. - */ - OC_DEREFERENCE_POINTER = 1 << 31, - - OC_END = 0 ///< End of the whole chunk, all 32 bits set to zero }; -DECLARE_ENUM_AS_BIT_SET(OldChunkType); - -typedef bool OldChunkProc(LoadgameState *ls, int num); - -struct OldChunks { - OldChunkType type; ///< Type of field - uint32 amount; ///< Amount of fields - - void *ptr; ///< Pointer where to save the data (may only be set if offset is 0) - uint offset; ///< Offset from basepointer (may only be set if ptr is NULL) - OldChunkProc *proc; ///< Pointer to function that is called with OC_CHUNK -}; - -/* If it fails, check lines above.. */ -assert_compile(sizeof(TileIndex) == 4); - -extern SavegameType _savegame_type; -extern uint32 _ttdp_version; +uint32 _bump_assert_value; -static uint32 _bump_assert_value; -static bool _read_ttdpatch_flags; - -static OldChunkType GetOldChunkType(OldChunkType type) {return (OldChunkType)GB(type, 0, 8);} -static OldChunkType GetOldChunkVarType(OldChunkType type) {return (OldChunkType)(GB(type, 8, 8) << 8);} -static OldChunkType GetOldChunkFileType(OldChunkType type) {return (OldChunkType)(GB(type, 16, 8) << 16);} +static inline OldChunkType GetOldChunkType(OldChunkType type) {return (OldChunkType)GB(type, 0, 8);} +static inline OldChunkType GetOldChunkVarType(OldChunkType type) {return (OldChunkType)(GB(type, 8, 8) << 8);} +static inline OldChunkType GetOldChunkFileType(OldChunkType type) {return (OldChunkType)(GB(type, 16, 8) << 16);} static inline byte CalcOldVarLen(OldChunkType type) { @@ -165,7 +84,7 @@ static byte ReadByteFromFile(LoadgameState *ls) * Reads a byte from the buffer and decompress if needed * */ -static byte ReadByte(LoadgameState *ls) +byte ReadByte(LoadgameState *ls) { /* Old savegames have a nice compression algorithm (RLE) which means that we have a chunk, which starts with a length @@ -194,24 +113,12 @@ static byte ReadByte(LoadgameState *ls) return ls->decoding ? ls->decode_char : ReadByteFromFile(ls); } -static inline uint16 ReadUint16(LoadgameState *ls) -{ - byte x = ReadByte(ls); - return x | ReadByte(ls) << 8; -} - -static inline uint32 ReadUint32(LoadgameState *ls) -{ - uint16 x = ReadUint16(ls); - return x | ReadUint16(ls) << 16; -} - /** * * Loads a chunk from the old savegame * */ -static bool LoadChunk(LoadgameState *ls, void *base, const OldChunks *chunks) +bool LoadChunk(LoadgameState *ls, void *base, const OldChunks *chunks) { const OldChunks *chunk = chunks; byte *base_ptr = (byte*)base; @@ -302,1245 +209,9 @@ static void InitLoading(LoadgameState *ls) memset(ls->buffer, 0, BUFFER_SIZE); _bump_assert_value = 0; - - _savegame_type = SGT_TTD; - _ttdp_version = 0; - - _read_ttdpatch_flags = false; -} - - -/* - * Begin -- Stuff to fix the savegames to be OpenTTD compatible - */ - -static uint8 *_old_map3; - -static 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); - -static 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); - } - } -} - -static StringID *_old_vehicle_names = NULL; - -static 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->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 */ - } -} - -/* - * End -- Stuff to fix the savegames to be OpenTTD compatible - */ - - -/* Help: - * - OCL_SVAR: load 'type' to offset 'offset' in a struct of type 'base', which must also - * be given via base in LoadChunk() as real pointer - * - OCL_VAR: load 'type' to a global var - * - OCL_END: every struct must end with this - * - OCL_NULL: read 'amount' of bytes and send them to /dev/null or something - * - OCL_CHUNK: load an other proc to load a part of the savegame, 'amount' times - * - OCL_ASSERT: to check if we are really at the place we expect to be.. because old savegames are too binary to be sure ;) - */ -#define OCL_SVAR(type, base, offset) { type, 1, NULL, (uint)cpp_offsetof(base, offset), NULL } -#define OCL_VAR(type, amount, pointer) { type, amount, pointer, 0, NULL } -#define OCL_END() { OC_END, 0, NULL, 0, NULL } -#define OCL_NULL(amount) { OC_NULL, amount, NULL, 0, NULL } -#define OCL_CHUNK(amount, proc) { OC_CHUNK, amount, NULL, 0, proc } -#define OCL_ASSERT(size) { OC_ASSERT, 1, NULL, size, NULL } - -/* 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() -}; - -static bool LoadOldMain(LoadgameState *ls) -{ - 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; -} /** * Verifies the title has a valid checksum diff --git a/src/saveload/oldloader.h b/src/saveload/oldloader.h new file mode 100644 index 000000000..5cde06cc5 --- /dev/null +++ b/src/saveload/oldloader.h @@ -0,0 +1,124 @@ +/* $Id$ */ + +/** @file oldloader.h Declarations of strctures and function used in loader of old savegames */ + +#ifndef OLDLOADER_H +#define OLDLOADER_H + +#include "saveload.h" + +enum { + BUFFER_SIZE = 4096, + OLD_MAP_SIZE = 256 * 256, +}; + +struct LoadgameState { + FILE *file; + + uint chunk_size; + + bool decoding; + byte decode_char; + + uint buffer_count; + uint buffer_cur; + byte buffer[BUFFER_SIZE]; + + uint total_read; + bool failed; +}; + +/* OldChunk-Type */ +enum OldChunkType { + OC_SIMPLE = 0, + OC_NULL = 1, + OC_CHUNK = 2, + OC_ASSERT = 3, + /* 8 bits allocated (256 max) */ + + OC_VAR_I8 = 1 << 8, + OC_VAR_U8 = 2 << 8, + OC_VAR_I16 = 3 << 8, + OC_VAR_U16 = 4 << 8, + OC_VAR_I32 = 5 << 8, + OC_VAR_U32 = 6 << 8, + OC_VAR_I64 = 7 << 8, + /* 8 bits allocated (256 max) */ + + OC_FILE_I8 = 1 << 16, + OC_FILE_U8 = 2 << 16, + OC_FILE_I16 = 3 << 16, + OC_FILE_U16 = 4 << 16, + OC_FILE_I32 = 5 << 16, + OC_FILE_U32 = 6 << 16, + /* 8 bits allocated (256 max) */ + + OC_INT8 = OC_VAR_I8 | OC_FILE_I8, + OC_UINT8 = OC_VAR_U8 | OC_FILE_U8, + OC_INT16 = OC_VAR_I16 | OC_FILE_I16, + OC_UINT16 = OC_VAR_U16 | OC_FILE_U16, + OC_INT32 = OC_VAR_I32 | OC_FILE_I32, + OC_UINT32 = OC_VAR_U32 | OC_FILE_U32, + + OC_TILE = OC_VAR_U32 | OC_FILE_U16, + + /** + * Dereference the pointer once before writing to it, + * so we do not have to use big static arrays. + */ + OC_DEREFERENCE_POINTER = 1 << 31, + + OC_END = 0 ///< End of the whole chunk, all 32 bits set to zero +}; + +DECLARE_ENUM_AS_BIT_SET(OldChunkType); + +typedef bool OldChunkProc(LoadgameState *ls, int num); + +struct OldChunks { + OldChunkType type; ///< Type of field + uint32 amount; ///< Amount of fields + + void *ptr; ///< Pointer where to save the data (may only be set if offset is 0) + uint offset; ///< Offset from basepointer (may only be set if ptr is NULL) + OldChunkProc *proc; ///< Pointer to function that is called with OC_CHUNK +}; + +/* If it fails, check lines above.. */ +assert_compile(sizeof(TileIndex) == 4); + +extern uint _bump_assert_value; +byte ReadByte(LoadgameState *ls); +bool LoadChunk(LoadgameState *ls, void *base, const OldChunks *chunks); + +bool LoadOldMain(LoadgameState *ls); + +static inline uint16 ReadUint16(LoadgameState *ls) +{ + byte x = ReadByte(ls); + return x | ReadByte(ls) << 8; +} + +static inline uint32 ReadUint32(LoadgameState *ls) +{ + uint16 x = ReadUint16(ls); + return x | ReadUint16(ls) << 16; +} + +/* Help: + * - OCL_SVAR: load 'type' to offset 'offset' in a struct of type 'base', which must also + * be given via base in LoadChunk() as real pointer + * - OCL_VAR: load 'type' to a global var + * - OCL_END: every struct must end with this + * - OCL_NULL: read 'amount' of bytes and send them to /dev/null or something + * - OCL_CHUNK: load an other proc to load a part of the savegame, 'amount' times + * - OCL_ASSERT: to check if we are really at the place we expect to be.. because old savegames are too binary to be sure ;) + */ +#define OCL_SVAR(type, base, offset) { type, 1, NULL, (uint)cpp_offsetof(base, offset), NULL } +#define OCL_VAR(type, amount, pointer) { type, amount, pointer, 0, NULL } +#define OCL_END() { OC_END, 0, NULL, 0, NULL } +#define OCL_NULL(amount) { OC_NULL, amount, NULL, 0, NULL } +#define OCL_CHUNK(amount, proc) { OC_CHUNK, amount, NULL, 0, proc } +#define OCL_ASSERT(size) { OC_ASSERT, 1, NULL, size, NULL } + +#endif /* OLDLOADER_H */ 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; +} |