From 6dffd8ae82e78ed98b66a3f2fcd4cdccbe57ee72 Mon Sep 17 00:00:00 2001 From: smatz Date: Fri, 23 Jan 2009 02:35:17 +0000 Subject: (svn r15216) -Feature: native support for Transport Tycoon (Original) savegames. Based on SVXConverter's source code and documentation by Roman Vetter --- src/saveload/oldloader_sl.cpp | 1806 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1806 insertions(+) create mode 100644 src/saveload/oldloader_sl.cpp (limited to 'src/saveload/oldloader_sl.cpp') diff --git a/src/saveload/oldloader_sl.cpp b/src/saveload/oldloader_sl.cpp new file mode 100644 index 000000000..0b449ca90 --- /dev/null +++ b/src/saveload/oldloader_sl.cpp @@ -0,0 +1,1806 @@ +/* $Id$ */ + +/** @file oldloader_sl.cpp Chunks and fix-ups for TTO/TTD/TTDP savegames. TTO loader code is based on SVXConverter by Roman Vetter. */ + +#include "../stdafx.h" +#include "../station_map.h" +#include "../town.h" +#include "../industry.h" +#include "../company_func.h" +#include "../aircraft.h" +#include "../roadveh.h" +#include "../ship.h" +#include "../train.h" +#include "../signs_base.h" +#include "../debug.h" +#include "../depot_base.h" +#include "../newgrf_config.h" +#include "../zoom_func.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 "saveload_internal.h" +#include "oldloader.h" + +#include "table/strings.h" +#include "../table/engines.h" + +static bool _read_ttdpatch_flags; + +static uint8 *_old_map3; + +void FixOldMapArray() +{ + /* TTO/TTD/TTDP savegames could have buoys at tile 0 + * (without assigned station struct) */ + MemSetT(&_m[0], 0); + SetTileType(0, MP_WATER); + SetTileOwner(0, OWNER_WATER); +} + +static void FixTTDMapArray() +{ + /* _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; + } + } + + FixOldMapArray(); +} + +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; + +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 */ + } +} + +static bool FixTTOMapArray() +{ + for (TileIndex t = 0; t < OLD_MAP_SIZE; t++) { + TileType tt = GetTileType(t); + + switch (tt) { + case MP_CLEAR: + break; + + case MP_RAILWAY: + case 11: // monorail + if (tt == 11) { + _m[t].m3 = 1; // rail type = monorail + _m[t].type_height &= 0x1F; // -> MP_RAILWAY + _m[t].m2 = 1; // set monorail ground to RAIL_GROUND_GRASS + } + switch (GB(_m[t].m5, 6, 2)) { + case 0: // RAIL_TILE_NORMAL + break; + case 1: // RAIL_TILE_SIGNALS + _m[t].m4 = (~_m[t].m5 & 1) << 2; // signal variant (present only in OTTD) + SB(_m[t].m2, 6, 2, GB(_m[t].m5, 3, 2)); // signal status + _m[t].m3 |= 0xC0; // both signals are present + _m[t].m5 = HasBit(_m[t].m5, 5) ? 2 : 1; // track direction (only X or Y) + _m[t].m5 |= 0x40; // RAIL_TILE_SIGNALS + break; + case 3: // RAIL_TILE_DEPOT + _m[t].m2 = 0; + break; + default: + return false; + } + break; + + case MP_ROAD: // road (depot) or level crossing + switch (GB(_m[t].m5, 4, 4)) { + case 0: // ROAD_TILE_NORMAL + if (_m[t].m2 == 4) _m[t].m2 = 5; // 'small trees' -> ROADSIDE_TREES + break; + case 1: // ROAD_TILE_CROSSING (there aren't monorail crossings in TTO) + _m[t].m3 = _m[t].m1; // set owner of road = owner of rail + break; + case 2: // ROAD_TILE_DEPOT + break; + default: + return false; + } + break; + + case MP_HOUSE: + _m[t].m3 = _m[t].m2 & 0xC0; // construction stage + _m[t].m2 &= 0x3F; // building type + if (_m[t].m2 >= 5) _m[t].m2++; // skip "large office block on snow" + break; + + case MP_TREES: + _m[t].m3 = GB(_m[t].m5, 3, 3); // type of trees + _m[t].m5 &= 0xC7; // number of trees and growth status + break; + + case MP_STATION: + _m[t].m3 = (_m[t].m5 >= 0x08 && _m[t].m5 <= 0x0F) ? 1 : 0; // monorail -> 1, others 0 (rail, road, airport, dock) + if (_m[t].m5 >= 8) _m[t].m5 -= 8; // shift for monorail + if (_m[t].m5 >= 0x42) _m[t].m5++; // skip heliport + break; + + case MP_WATER: + _m[t].m3 = _m[t].m2 = 0; + break; + + case MP_VOID: + _m[t].m2 = _m[t].m3 = _m[t].m5 = 0; + break; + + case MP_INDUSTRY: + _m[t].m3 = 0; + switch (_m[t].m5) { + case 0x24: // farm silo + _m[t].m5 = 0x25; + break; + case 0x25: case 0x27: // farm + case 0x28: case 0x29: case 0x2A: case 0x2B: // factory + _m[t].m5--; + break; + default: + if (_m[t].m5 >= 0x2C) _m[t].m5 += 3; // iron ore mine, steel mill or bank + break; + } + break; + + case MP_TUNNELBRIDGE: + if (HasBit(_m[t].m5, 7)) { // bridge + byte m5 = _m[t].m5; + _m[t].m5 = m5 & 0xE1; // copy bits 7..5, 1 + if (GB(m5, 1, 2) == 1) _m[t].m5 |= 0x02; // road bridge + if (GB(m5, 1, 2) == 3) _m[t].m2 |= 0xA0; // monorail bridge -> tubular, steel bridge + if (!HasBit(m5, 6)) { // bridge head + _m[t].m3 = (GB(m5, 1, 2) == 3) ? 1 : 0; // track subtype (1 for monorail, 0 for others) + } else { // middle bridge part + _m[t].m3 = HasBit(m5, 2) ? 0x10 : 0; // track subtype on bridge + if (GB(m5, 3, 2) == 3) _m[t].m3 |= 1; // track subtype under bridge + if (GB(m5, 3, 2) == 1) _m[t].m5 |= 0x08; // set for road/water under (0 for rail/clear) + } + } else { // tunnel entrance/exit + _m[t].m2 = 0; + _m[t].m3 = HasBit(_m[t].m5, 3); // monorail + _m[t].m5 &= HasBit(_m[t].m5, 3) ? 0x03 : 0x07 ; // direction, transport type (== 0 for rail) + } + break; + + case MP_UNMOVABLE: + _m[t].m2 = 0; + _m[t].m3 = 0; + break; + + default: + return false; + + } + } + + FixOldMapArray(); + + return true; +} + +static Engine *_old_engines; + +static bool FixTTOEngines() +{ + /** TTD->TTO remapping of engines; 255 means there is no equivalent. SVXConverter uses (almost) the same table. */ + static const EngineID ttd_to_tto[] = { + 0, 255, 255, 255, 255, 255, 255, 255, 5, 7, 8, 9, 10, 11, 12, 13, + 255, 255, 255, 255, 255, 255, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 31, 255, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 44, 45, 46, 255, 255, 255, 255, 47, 48, 255, 49, 50, + 255, 255, 255, 255, 51, 52, 255, 53, 54, 255, 55, 56, 255, 57, 58, 255, + 59, 60, 255,61, 62, 255, 63, 64, 255, 65, 66, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 67, 68, 69, 70, + 71, 255, 255, 76, 77, 255, 255, 78, 79, 80, 81, 82, 83, 84, 85, 86, + 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 102, 255, 255 + }; + + /** TTO->TTD remapping of engines. SVXConverter uses the same table. */ + static const EngineID tto_to_ttd[] = { + 0, 0, 8, 8, 8, 8, 8, 9, 10, 11, 12, 13, 14, 15, 15, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 55, + 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 116, 116, 117, 118, 123, + 124, 126, 127, 132, 133, 135, 136, 138, 139, 141, 142, 144, 145, 147, 148, 150, + 151, 153, 154, 204, 205, 206, 207, 208, 211, 212, 211, 212, 211, 212, 215, 216, + 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, + 233, 234, 235, 236, 237, 238, 253 + }; + + Vehicle *v; + FOR_ALL_VEHICLES(v) { + if (v->engine_type >= lengthof(tto_to_ttd)) return false; + v->engine_type = tto_to_ttd[v->engine_type]; + } + + /* Load the default engine set. Many of them will be overriden later */ + uint j = 0; + for (uint i = 0; i < lengthof(_orig_rail_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_TRAIN, i); + for (uint i = 0; i < lengthof(_orig_road_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_ROAD, i); + for (uint i = 0; i < lengthof(_orig_ship_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_SHIP, i); + for (uint i = 0; i < lengthof(_orig_aircraft_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_AIRCRAFT, i); + + Date aging_date = min(_date + DAYS_TILL_ORIGINAL_BASE_YEAR, ConvertYMDToDate(2050, 0, 1)); + + for (EngineID i = 0; i < 256; i++) { + int oi = ttd_to_tto[i]; + Engine *e = GetTempDataEngine(i); + + if (oi == 255) { + /* Default engine is used */ + _date += DAYS_TILL_ORIGINAL_BASE_YEAR; + StartupOneEngine(e, aging_date); + e->intro_date -= DAYS_TILL_ORIGINAL_BASE_YEAR; + _date -= DAYS_TILL_ORIGINAL_BASE_YEAR; + + /* Make sure for example monorail and maglev are available when they should be */ + if (_date >= e->intro_date && HasBit(e->info.climates, 0)) { + e->flags |= ENGINE_AVAILABLE; + e->company_avail = (CompanyMask)0xFF; + e->age = _date > e->intro_date ? (_date - e->intro_date) / 30 : 0; + } + } else { + /* Using data from TTO savegame */ + Engine *oe = &_old_engines[oi]; + + e->intro_date = oe->intro_date; + e->age = oe->age; + e->reliability = oe->reliability; + e->reliability_spd_dec = oe->reliability_spd_dec; + e->reliability_start = oe->reliability_start; + e->reliability_max = oe->reliability_max; + e->reliability_final = oe->reliability_final; + e->duration_phase_1 = oe->duration_phase_1; + e->duration_phase_2 = oe->duration_phase_2; + e->duration_phase_3 = oe->duration_phase_3; + e->lifelength = oe->lifelength; + e->flags = oe->flags; + + e->company_avail = 0; + + /* One or more engines were remapped to this one. Make this engine available + * if at least one of them was available. */ + for (uint j = 0; j < lengthof(tto_to_ttd); j++) { + if (tto_to_ttd[j] == i && _old_engines[j].company_avail != 0) { + e->company_avail = (CompanyMask)0xFF; + e->flags |= ENGINE_AVAILABLE; + break; + } + } + + e->preview_company_rank = 0; + e->preview_wait = 0; + e->name = NULL; + + e->info.climates = 1; + } + } + + return true; +} + +static void FixTTOCompanies() +{ + Company *c; + FOR_ALL_COMPANIES(c) { + c->cur_economy.company_value = CalculateCompanyValue(c); // company value history is zeroed + } +} + +static inline byte RemapTTOColour(byte tto) +{ + /** Lossy remapping of TTO colours to TTD colours. SVXConverter uses the same conversion. */ + static const byte tto_colour_remap[] = { + COLOUR_DARK_BLUE, COLOUR_GREY, COLOUR_YELLOW, COLOUR_RED, + COLOUR_PURPLE, COLOUR_DARK_GREEN, COLOUR_ORANGE, COLOUR_PALE_GREEN, + COLOUR_BLUE, COLOUR_GREEN, COLOUR_CREAM, COLOUR_BROWN, + COLOUR_WHITE, COLOUR_LIGHT_BLUE, COLOUR_MAUVE, COLOUR_PINK + }; + + if ((size_t)tto >= lengthof(tto_colour_remap)) return COLOUR_GREY; // this shouldn't happen + + return tto_colour_remap[tto]; +} + +static inline uint RemapTownIndex(uint x) +{ + return _savegame_type == SGT_TTO ? (x - 0x264) / 78 : (x - 0x264) / 94; +} + +static inline uint RemapOrderIndex(uint x) +{ + return _savegame_type == SGT_TTO ? (x - 0x1AC4) / 2 : (x - 0x1C18) / 2; +} + +extern 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; + + if (_savegame_type == SGT_TTO) { + _old_vehicle_multiplier = 1; + return; + } + + /* 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(_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_TTD | OC_UINT16, Town, new_act_food ), + OCL_SVAR( OC_TTD | OC_UINT16, Town, new_act_water ), + OCL_SVAR( OC_TTD | OC_UINT16, Town, act_food ), + OCL_SVAR( OC_TTD | OC_UINT16, Town, act_water ), + + OCL_SVAR( OC_UINT8, Town, road_build_months ), + OCL_SVAR( OC_UINT8, Town, fund_buildings_months ), + + OCL_CNULL( OC_TTD, 8 ), ///< some junk at the end of the record + + OCL_END() +}; + +static bool LoadOldTown(LoadgameState *ls, int num) +{ + Town *t = new (num) Town(); + if (!LoadChunk(ls, t, town_chunk)) return false; + + if (t->xy != 0) { + if (_savegame_type == SGT_TTO) { + /* 0x10B6 is auto-generated name, others are custom names */ + t->townnametype = t->townnametype == 0x10B6 ? 0x20C1 : t->townnametype + 0x2A00; + } + } else { + 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 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) { + d->town_index = RemapTownIndex(_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 (_savegame_type == SGT_TTO && num == 25) { + /* clear_fields == build_road_depot (TTO didn't have this price) */ + ((Money*)&_price)[25] = ((Money*)&_price)[6]; + _price_frac[25] = _price_frac[6]; + return true; + } + + if (!LoadChunk(ls, NULL, price_chunk)) return false; + + if (_savegame_type == SGT_TTO) { + /* base prices are different in these two cases */ + if (num == 15) _old_price = ClampToI32(((Money)_old_price) * 20 / 3); // build_railvehicle + if (num == 17) _old_price = ClampToI32(((Money)_old_price) * 10); // aircraft_base + } + + + /* We use a struct to store the prices, but they are ints in a row.. + * so just access the struct as an array of int32s */ + ((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 (_savegame_type == SGT_TTO && num == 11) { // TTD has 1 more cargo type + _cargo_payment_rates[num] = _cargo_payment_rates[9]; + _cargo_payment_rates_frac[num] = _cargo_payment_rates_frac[9]; + return true; + } + + if (!LoadChunk(ls, NULL, cargo_payment_rate_chunk)) return false; + + if (_savegame_type == SGT_TTO) { + /* SVXConverter about cargo payment rates correction: + * "increase them to compensate for the faster time advance in TTD compared to TTO + * which otherwise would cause much less income while the annual running costs of + * the vehicles stay the same" */ + + Money m = ((((Money)_old_price) << 16) + _old_price_frac) * 124 / 74; + + _old_price = m >> 16; + _old_price_frac = GB(m, 0, 16); + } + + _cargo_payment_rates[num] = -_old_price; + _cargo_payment_rates_frac[num] = _old_price_frac; + + return true; +} + +VehicleID _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) +{ + /* for TTO games, 12th (num == 11) goods entry is created in the Station constructor */ + if (_savegame_type == SGT_TTO && num == 11) return true; + + Station *st = GetStation(_current_station_id); + GoodsEntry *ge = &st->goods[num]; + + if (!LoadChunk(ls, ge, goods_chunk)) 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 true; +} + +static const OldChunks station_chunk[] = { + OCL_SVAR( OC_TILE, Station, xy ), + OCL_VAR ( OC_UINT32, 1, &_old_town_index ), + + OCL_NULL( 4 ), ///< bus/lorry tile + OCL_SVAR( OC_TILE, Station, train_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_TTD | OC_UINT8, Station, airport_type ), + OCL_SVAR( OC_TTO | OC_FILE_U16 | OC_VAR_U32, Station, airport_flags ), + OCL_NULL( 3 ), ///< bus/truck status, blocked months, no longer in use + OCL_CNULL( OC_TTD, 1 ), ///< unknown + OCL_SVAR( OC_TTD | OC_FILE_U16 | OC_VAR_U32, Station, airport_flags ), + OCL_CNULL( OC_TTD, 2 ), ///< last_vehicle. now last_vehicle_type + OCL_CNULL( OC_TTD, 4 ), ///< junk at end of chunk + + OCL_END() +}; + +static bool LoadOldStation(LoadgameState *ls, int num) +{ + Station *st = new (num) Station(); + _current_station_id = num; + + if (!LoadChunk(ls, st, station_chunk)) return false; + + if (st->xy != 0) { + st->town = GetTown(RemapTownIndex(_old_town_index)); + + if (_savegame_type == SGT_TTO) { + if (IsInsideBS(_old_string_id, 0x180F, 32)) { + st->string_id = STR_SV_STNAME + (_old_string_id - 0x180F); // automatic name + } else { + st->string_id = _old_string_id + 0x2800; // custom name + } + + if (HasBit(st->airport_flags, 8)) { + st->airport_type = 1; // large airport + } else if (HasBit(st->airport_flags, 6)) { + st->airport_type = 3; // oil rig + } else { + st->airport_type = 0; // small airport + } + } else { + st->string_id = RemapOldStringID(_old_string_id); + } + } else { + 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_TTD | OC_UINT16, Industry, produced_cargo_waiting[0] ), + OCL_SVAR( OC_TTD | OC_UINT16, Industry, produced_cargo_waiting[1] ), + OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, produced_cargo_waiting[0] ), + OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 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_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, counter ), + OCL_SVAR( OC_UINT8, Industry, owner ), + OCL_SVAR( OC_UINT8, Industry, random_color ), + OCL_SVAR( OC_TTD | OC_FILE_U8 | OC_VAR_I32, Industry, last_prod_year ), + OCL_SVAR( OC_TTD | OC_UINT16, Industry, counter ), + OCL_SVAR( OC_TTD | OC_UINT8, Industry, was_cargo_delivered ), + + OCL_CNULL( OC_TTD, 9 ), ///< Random junk at the end of this chunk + + OCL_END() +}; + +static bool LoadOldIndustry(LoadgameState *ls, int num) +{ + Industry *i = new (num) Industry(); + if (!LoadChunk(ls, i, industry_chunk)) return false; + + if (i->xy != 0) { + i->town = GetTown(RemapTownIndex(_old_town_index)); + + if (_savegame_type == SGT_TTO) { + if (i->type > 0x06) i->type++; // Printing Works were added + if (i->type == 0x0A) i->type = 0x12; // Iron Ore Mine has different ID + + YearMonthDay ymd; + ConvertDateToYMD(_date, &ymd); + i->last_prod_year = ymd.year; + + i->random_color = RemapTTOColour(i->random_color); + } + + IncIndustryTypeCount(i->type); + } else { + i->xy = INVALID_TILE; + } + + return true; +} + +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 LoadOldCompanyYearly(LoadgameState *ls, int num) +{ + Company *c = GetCompany(_current_company_id); + + for (uint i = 0; i < 13; i++) { + if (_savegame_type == SGT_TTO && i == 6) { + _old_yearly = 0; // property maintenance + } else { + if (!LoadChunk(ls, 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_TTD | OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, company_value ), + + OCL_END() +}; + +static bool LoadOldCompanyEconomy(LoadgameState *ls, int num) +{ + 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 (uint i = 0; i < 24; i++) { + if (!LoadChunk(ls, &c->old_economy[i], _company_economy_chunk)) return false; + + c->old_economy[i].income = -c->old_economy[i].income; + c->old_economy[i].expenses = -c->old_economy[i].expenses; + } + + return true; +} + +static const OldChunks _company_chunk[] = { + OCL_VAR ( OC_UINT16, 1, &_old_string_id ), + OCL_SVAR( OC_UINT32, Company, name_2 ), + OCL_SVAR( OC_UINT32, Company, face ), + OCL_VAR ( OC_UINT16, 1, &_old_string_id_2 ), + OCL_SVAR( OC_UINT32, Company, president_name_2 ), + + OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Company, money ), + OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Company, current_loan ), + + OCL_SVAR( OC_UINT8, Company, colour ), + OCL_SVAR( OC_UINT8, Company, money_fraction ), + OCL_SVAR( OC_UINT8, Company, 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_TTD | OC_UINT32, Company, cargo_types ), + OCL_SVAR( OC_TTO | OC_FILE_U16 | OC_VAR_U32, Company, cargo_types ), + + OCL_CHUNK( 3, LoadOldCompanyYearly ), + OCL_CHUNK( 1, LoadOldCompanyEconomy ), + + OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Company, inaugurated_year), + OCL_SVAR( OC_TILE, Company, last_build_coordinate ), + OCL_SVAR( OC_UINT8, Company, num_valid_stat_ent ), + + OCL_NULL( 230 ), // Old AI + + OCL_SVAR( OC_UINT8, Company, block_preview ), + OCL_CNULL( OC_TTD, 1 ), // Old AI + OCL_SVAR( OC_TTD | OC_UINT8, Company, avail_railtypes ), + OCL_SVAR( OC_TILE, Company, location_of_HQ ), + OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[0] ), + OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[1] ), + OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[2] ), + OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[3] ), + + OCL_CNULL( OC_TTD, 8 ), ///< junk at end of chunk + + OCL_END() +}; + +static bool LoadOldCompany(LoadgameState *ls, int num) +{ + Company *c = new (num) Company(); + + _current_company_id = (CompanyID)num; + + if (!LoadChunk(ls, c, _company_chunk)) return false; + + if (_old_string_id == 0) { + delete c; + return true; + } + + if (_savegame_type == SGT_TTO) { + /* adjust manager's face */ + if (HasBit(c->face, 27) && GB(c->face, 26, 1) == GB(c->face, 19, 1)) { + /* if face would be black in TTD, adjust tie color and thereby face color */ + ClrBit(c->face, 27); + } + + /* Company name */ + if (_old_string_id == 0 || _old_string_id == 0x4C00) { + _old_string_id = STR_SV_UNNAMED; // "Unnamed" + } else if (GB(_old_string_id, 8, 8) == 0x52) { + _old_string_id += 0x2A00; // Custom name + } else { + _old_string_id = RemapOldStringID(_old_string_id += 0x240D); // Automatic name + } + c->name_1 = _old_string_id; + + /* Manager name */ + switch (_old_string_id_2) { + case 0x4CDA: _old_string_id_2 = SPECSTR_PRESIDENT_NAME; break; // automatic name + case 0x0006: _old_string_id_2 = STR_SV_EMPTY; break; // empty name + default: _old_string_id_2 = _old_string_id_2 + 0x2A00; break; // custom name + } + c->president_name_1 = _old_string_id_2; + + c->colour = RemapTTOColour(c->colour); + + if (num != 0) c->is_ai = true; + } else { + c->name_1 = RemapOldStringID(_old_string_id); + c->president_name_1 = RemapOldStringID(_old_string_id_2); + + if (num == 0) { + /* If the first company has no name, make sure we call it UNNAMED */ + if (c->name_1 == 0) + c->name_1 = STR_SV_UNNAMED; + } else { + /* Beside some multiplayer maps (1 on 1), which we don't official support, + * all other 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; +VehicleID _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_TTD | OC_UINT8, Vehicle, tick_counter ), + OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, max_speed ), + OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 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_TTD | OC_UINT16, Vehicle, cur_speed ), + OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, cur_speed ), + OCL_SVAR( OC_UINT8, Vehicle, subspeed ), + OCL_SVAR( OC_UINT8, Vehicle, acceleration ), + OCL_SVAR( OC_UINT8, Vehicle, progress ), + + OCL_SVAR( OC_UINT8, Vehicle, cargo_type ), + OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, cargo_cap ), + OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, cargo_cap ), + OCL_VAR ( OC_TTD | OC_UINT16, 1, &_cargo_count ), + OCL_VAR ( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 1, &_cargo_count ), + OCL_VAR ( OC_UINT8, 1, &_cargo_source ), + OCL_VAR ( OC_UINT8, 1, &_cargo_days ), + + OCL_SVAR( OC_TTO | OC_UINT8, Vehicle, tick_counter ), + + OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, age ), + OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, max_age ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Vehicle, build_year ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, unitnumber ), + + OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, engine_type ), + OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, engine_type ), + + OCL_SVAR( OC_UINT8, Vehicle, spritenum ), + OCL_SVAR( OC_UINT8, Vehicle, day_counter ), + + OCL_SVAR( OC_UINT8, Vehicle, breakdowns_since_last_service ), + OCL_SVAR( OC_UINT8, Vehicle, breakdown_ctr ), + OCL_SVAR( OC_UINT8, Vehicle, breakdown_delay ), + OCL_SVAR( OC_UINT8, Vehicle, breakdown_chance ), + + OCL_CNULL( OC_TTO, 1 ), + + OCL_SVAR( OC_UINT16, Vehicle, reliability ), + OCL_SVAR( OC_UINT16, Vehicle, reliability_spd_dec ), + + OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_this_year ), + OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_last_year ), + + OCL_VAR ( OC_UINT16, 1, &_old_next_ptr ), + + OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Vehicle, value ), + + OCL_VAR ( OC_UINT16, 1, &_old_string_id ), + + OCL_CHUNK( 1, LoadOldVehicleUnion ), + + OCL_CNULL( OC_TTO, 24 ), ///< junk + OCL_CNULL( OC_TTD, 20 ), ///< junk at end of struct (TTDPatch has some data in it) + + OCL_END() +}; + +bool LoadOldVehicle(LoadgameState *ls, int num) +{ + /* Read the TTDPatch flags, because we need some info from it */ + ReadTTDPatchFlags(); + + for (uint i = 0; i < _old_vehicle_multiplier; i++) { + _current_vehicle_id = num * _old_vehicle_multiplier + i; + + Vehicle *v; + + if (_savegame_type == SGT_TTO) { + uint type = ReadByte(ls); + switch (type) { + default: return false; + case 0x00 /*VEH_INVALID */: v = new (_current_vehicle_id) InvalidVehicle(); break; + case 0x25 /* MONORAIL */: + case 0x20 /*VEH_TRAIN */: v = new (_current_vehicle_id) Train(); break; + case 0x21 /*VEH_ROAD */: v = new (_current_vehicle_id) RoadVehicle(); break; + case 0x22 /*VEH_SHIP */: v = new (_current_vehicle_id) Ship(); break; + case 0x23 /*VEH_AIRCRAFT*/: v = new (_current_vehicle_id) Aircraft(); break; + case 0x24 /*VEH_EFFECT */: v = new (_current_vehicle_id) EffectVehicle(); break; + case 0x26 /*VEH_DISASTER*/: v = new (_current_vehicle_id) DisasterVehicle(); break; + } + + if (!LoadChunk(ls, v, vehicle_chunk)) return false; + + SpriteID sprite = v->cur_image; + /* no need to override other sprites */ + if (IsInsideMM(sprite, 1460, 1465)) { + sprite += 580; // aircraft smoke puff + } else if (IsInsideMM(sprite, 2096, 2115)) { + sprite += 977; // special effects part 1 + } else if (IsInsideMM(sprite, 2396, 2436)) { + sprite += 1305; // special effects part 2 + } else if (IsInsideMM(sprite, 2516, 2539)) { + sprite += 1385; // rotor or disaster-related vehicles + } + v->cur_image = sprite; + + switch (v->type) { + case VEH_TRAIN: { + static const byte spriteset_rail[] = { + 0, 2, 4, 4, 8, 10, 12, 14, 16, 18, 20, 22, 40, 42, 44, 46, + 48, 52, 54, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 120, 122, + 124, 126, 128, 130, 132, 134, 136, 138, 140 + }; + if (v->spritenum / 2 >= lengthof(spriteset_rail)) return false; + v->spritenum = spriteset_rail[v->spritenum / 2]; // adjust railway sprite set offset + v->u.rail.railtype = type == 0x25 ? 1 : 0; // monorail / rail + break; + } + + case VEH_ROAD: + if (v->spritenum >= 22) v->spritenum += 12; + break; + + case VEH_SHIP: + v->spritenum += 2; + + switch (v->spritenum) { + case 2: // oil tanker && cargo type != oil + if (v->cargo_type != CT_OIL) v->spritenum = 0; // make it a coal/goods ship + break; + case 4: // passenger ship && cargo type == mail + if (v->cargo_type == CT_MAIL) v->spritenum = 0; // make it a mail ship + break; + default: + break; + } + break; + + default: + break; + } + + switch (_old_string_id) { + case 0x0000: break; // empty (invalid vehicles) + case 0x0006: _old_string_id = STR_SV_EMPTY; break; // empty (special vehicles) + case 0x8495: _old_string_id = STR_SV_TRAIN_NAME; break; // "Train X" + case 0x8842: _old_string_id = STR_SV_ROADVEH_NAME; break; // "Road Vehicle X" + case 0x8C3B: _old_string_id = STR_SV_SHIP_NAME; break; // "Ship X" + case 0x9047: _old_string_id = STR_SV_AIRCRAFT_NAME; break; // "Aircraft X" + default: _old_string_id += 0x2A00; break; // custom name + } + + _old_vehicle_names[_current_vehicle_id] = _old_string_id; + } else { + /* Read the vehicle type and allocate the right vehicle */ + switch (ReadByte(ls)) { + default: 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; + + _old_vehicle_names[_current_vehicle_id] = RemapOldStringID(_old_string_id); + + /* This should be consistent, else we have a big problem... */ + if (v->index != _current_vehicle_id) { + DEBUG(oldloader, 0, "Loading failed - vehicle-array is invalid"); + return false; + } + } + + if (_old_order_ptr != 0 && _old_order_ptr != 0xFFFFFFFF) { + uint max = _savegame_type == SGT_TTO ? 3000 : 5000; + uint old_id = RemapOrderIndex(_old_order_ptr); + if (old_id < max) v->orders.old = GetOrder(old_id); // don't accept orders > max number of orders + } + 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); + + 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) { + if (_savegame_type == SGT_TTO) { + if (_old_string_id != 0x140A) si->name = CopyFromOldName(_old_string_id + 0x2A00); + } else { + si->name = CopyFromOldName(RemapOldStringID(_old_string_id)); + } + si->owner = OWNER_NONE; + } + + 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_CNULL( OC_TTD, 2 ), ///< railtype + junk + + OCL_END() +}; + +static bool LoadOldEngine(LoadgameState *ls, int num) +{ + Engine *e = _savegame_type == SGT_TTO ? &_old_engines[num] : GetTempDataEngine(num); + return LoadChunk(ls, e, engine_chunk); +} + +static bool LoadOldEngineName(LoadgameState *ls, int num) +{ + Engine *e = GetTempDataEngine(num); + e->name = CopyFromOldName(RemapOldStringID(ReadUint16(ls))); + return true; +} + +static const OldChunks subsidy_chunk[] = { + OCL_SVAR( OC_UINT8, Subsidy, cargo_type ), + OCL_SVAR( OC_UINT8, Subsidy, age ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, from ), + OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, to ), + + OCL_END() +}; + +static 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 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) +{ + if (_savegame_type == SGT_TTO) { + MemSetT(_m, 0, OLD_MAP_SIZE); + MemSetT(_me, 0, OLD_MAP_SIZE); + } + + for (uint i = 0; i < OLD_MAP_SIZE; i++) { + _m[i].m1 = ReadByte(ls); + } + for (uint i = 0; i < OLD_MAP_SIZE; i++) { + _m[i].m2 = ReadByte(ls); + } + + if (_savegame_type != SGT_TTO) { + for (uint i = 0; i < OLD_MAP_SIZE; i++) { + _old_map3[i * 2] = ReadByte(ls); + _old_map3[i * 2 + 1] = ReadByte(ls); + } + for (uint 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(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( OC_TTD, 0 ), + OCL_ASSERT( OC_TTO, 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( OC_TTD, 0x264 ), + OCL_ASSERT( OC_TTO, 0x264 ), + + OCL_CCHUNK( OC_TTD, 70, LoadOldTown ), + OCL_CCHUNK( OC_TTO, 80, LoadOldTown ), + + OCL_ASSERT( OC_TTD, 0x1C18 ), + OCL_ASSERT( OC_TTO, 0x1AC4 ), + + OCL_CCHUNK( OC_TTD, 5000, LoadOldOrder ), + OCL_CCHUNK( OC_TTO, 3000, LoadOldOrder ), + + OCL_ASSERT( OC_TTD, 0x4328 ), + OCL_ASSERT( OC_TTO, 0x3234 ), + + OCL_CHUNK( 1, LoadOldAnimTileList ), + OCL_NULL( 4 ), ///< old end-of-order-list-pointer, no longer in use + + OCL_ASSERT( OC_TTO, 0x3438 ), + + OCL_CCHUNK( OC_TTD, 255, LoadOldDepot ), + OCL_CCHUNK( OC_TTO, 252, LoadOldDepot ), + + OCL_ASSERT( OC_TTD, 0x4B26 ), + OCL_ASSERT( OC_TTO, 0x3A20 ), + + OCL_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_ASSERT( OC_TTO, 0x3A2E ), + + OCL_CHUNK( 49, LoadOldPrice ), + + OCL_ASSERT( OC_TTO, 0x3B4E ), + + OCL_CHUNK( 12, LoadOldCargoPaymentRate ), + + OCL_ASSERT( OC_TTD, 0x4CBA ), + OCL_ASSERT( OC_TTO, 0x3BA6 ), + + OCL_CHUNK( 1, LoadOldMapPart1 ), + + OCL_ASSERT( OC_TTD, 0x48CBA ), + OCL_ASSERT( OC_TTO, 0x23BA6 ), + + OCL_CCHUNK( OC_TTD, 250, LoadOldStation ), + OCL_CCHUNK( OC_TTO, 200, LoadOldStation ), + + OCL_ASSERT( OC_TTO, 0x29E16 ), + + OCL_CCHUNK( OC_TTD, 90, LoadOldIndustry ), + OCL_CCHUNK( OC_TTO, 100, LoadOldIndustry ), + + OCL_ASSERT( OC_TTO, 0x2ADB6 ), + + OCL_CHUNK( 8, LoadOldCompany ), + + OCL_ASSERT( OC_TTD, 0x547F2 ), + OCL_ASSERT( OC_TTO, 0x2C746 ), + + OCL_CCHUNK( OC_TTD, 850, LoadOldVehicle ), + OCL_CCHUNK( OC_TTO, 800, LoadOldVehicle ), + + OCL_ASSERT( OC_TTD, 0x6F0F2 ), + OCL_ASSERT( OC_TTO, 0x45746 ), + + OCL_VAR ( OC_TTD | OC_UINT8 | OC_DEREFERENCE_POINTER, 32 * 500, &_old_name_array ), + OCL_VAR ( OC_TTO | OC_UINT8 | OC_DEREFERENCE_POINTER, 24 * 200, &_old_name_array ), + + OCL_ASSERT( OC_TTO, 0x46A06 ), + + OCL_NULL( 0x2000 ), ///< Old hash-table, no longer in use + + OCL_CHUNK( 40, LoadOldSign ), + + OCL_ASSERT( OC_TTO, 0x48C36 ), + + OCL_CCHUNK( OC_TTD, 256, LoadOldEngine ), + OCL_CCHUNK( OC_TTO, 103, LoadOldEngine ), + + OCL_ASSERT( OC_TTO, 0x496AC ), + + OCL_VAR ( OC_UINT16, 1, &_vehicle_id_ctr_day ), + + OCL_CHUNK( 8, LoadOldSubsidy ), + + OCL_ASSERT( OC_TTO, 0x496CE ), + + OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &_next_competitor_start ), + + OCL_CNULL( OC_TTO, 2 ), ///< available monorail bitmask + + OCL_VAR ( OC_FILE_I16 | OC_VAR_I32, 1, &_saved_scrollpos_x ), + OCL_VAR ( OC_FILE_I16 | OC_VAR_I32, 1, &_saved_scrollpos_y ), + OCL_VAR ( OC_FILE_U16 | OC_VAR_U8, 1, &_saved_scrollpos_zoom ), + + OCL_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_ASSERT( OC_TTO, 0x496E4 ), + + OCL_CNULL( OC_TTD, 144 ), ///< cargo-stuff, calculated in InitializeLandscapeVariables + + OCL_CCHUNK( OC_TTD, 256, LoadOldEngineName ), + + OCL_CNULL( OC_TTD, 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( OC_TTD, 0x77130 ), + + OCL_VAR ( OC_UINT8, 1, &_settings_game.difficulty.diff_level ), + + OCL_VAR ( OC_TTD | OC_UINT8, 1, &_settings_game.game_creation.landscape ), + OCL_VAR ( OC_TTD | OC_UINT8, 1, &_trees_tick_ctr ), + + OCL_CNULL( OC_TTD, 1 ), ///< Custom vehicle types yes/no, no longer used + OCL_VAR ( OC_TTD | OC_UINT8, 1, &_settings_game.game_creation.snow_line ), + + OCL_CNULL( OC_TTD, 32 ), ///< new_industry_randtable, no longer used (because of new design) + OCL_CNULL( OC_TTD, 36 ), ///< cargo-stuff, calculated in InitializeLandscapeVariables + + OCL_ASSERT( OC_TTD, 0x77179 ), + OCL_ASSERT( OC_TTO, 0x4971D ), + + OCL_CHUNK( 1, LoadOldMapPart2 ), + + OCL_ASSERT( OC_TTD, 0x97179 ), + OCL_ASSERT( OC_TTO, 0x6971D ), + + /* Below any (if available) extra chunks from TTDPatch can follow */ + OCL_CHUNK(1, LoadTTDPatchExtraChunks), + + OCL_END() +}; + +bool LoadTTDMain(LoadgameState *ls) +{ + _read_ttdpatch_flags = false; + _ttdp_version = 0; + + DEBUG(oldloader, 3, "Reading main chunk..."); + /* Load the biggest chunk */ + SmallStackSafeStackAlloc 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..."); + + FixTTDMapArray(); + + /* Fix some general stuff */ + _settings_game.game_creation.landscape = _settings_game.game_creation.landscape & 0xF; + + /* Remap some pointers */ + _cur_town_ctr = RemapTownIndex(_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; +} + +bool LoadTTOMain(LoadgameState *ls) +{ + DEBUG(oldloader, 3, "Reading main chunk..."); + + SmallStackSafeStackAlloc engines; // we don't want to call Engine constructor here + _old_engines = (Engine *)engines.data; + SmallStackSafeStackAlloc vehnames; + _old_vehicle_names = vehnames.data; + + /* Load the biggest chunk */ + if (!LoadChunk(ls, NULL, main_chunk)) { + DEBUG(oldloader, 0, "Loading failed"); + return false; + } + DEBUG(oldloader, 3, "Done, converting game data..."); + + if (_settings_game.game_creation.town_name != 0) _settings_game.game_creation.town_name++; + + _settings_game.game_creation.landscape = 0; + _trees_tick_ctr = 0xFF; + + _cur_town_ctr = RemapTownIndex(_old_cur_town_ctr); + + if (!FixTTOMapArray() || !FixTTOEngines()) { + DEBUG(oldloader, 0, "Conversion failed"); + return false; + } + + FixOldTowns(); + FixOldVehicles(); + FixTTOCompanies(); + + /* We have a new difficulty setting */ + _settings_game.difficulty.town_council_tolerance = Clamp(_settings_game.difficulty.diff_level, 0, 2); + + DEBUG(oldloader, 3, "Finished converting game data"); + DEBUG(oldloader, 1, "TTO savegame successfully converted"); + + return true; +} -- cgit v1.2.3-54-g00ecf