# oldloader_sl.cpp

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "../stdafx.h"
    00013 #include "../town.h"
    00014 #include "../industry.h"
    00015 #include "../company_func.h"
    00016 #include "../aircraft.h"
    00017 #include "../roadveh.h"
    00018 #include "../ship.h"
    00019 #include "../train.h"
    00020 #include "../signs_base.h"
    00021 #include "../station_base.h"
    00022 #include "../subsidy_base.h"
    00023 #include "../debug.h"
    00024 #include "../depot_base.h"
    00025 #include "../date_func.h"
    00026 #include "../vehicle_func.h"
    00027 #include "../effectvehicle_base.h"
    00028 #include "../engine_func.h"
    00029 #include "../company_base.h"
    00030 #include "saveload_internal.h"
    00031 #include "oldloader.h"
    00032
    00033 #include "table/strings.h"
    00034 #include "../table/engines.h"
    00035 #include "../table/townname.h"
    00036
    00037 static bool _read_ttdpatch_flags;
    00038 static uint16 _old_extra_chunk_nums;
    00039 static byte _old_vehicle_multiplier;
    00040
    00041 static uint8 *_old_map3;
    00042
    00043 void FixOldMapArray()
    00044 {
    00045   /* TTO/TTD/TTDP savegames could have buoys at tile 0
    00046    * (without assigned station struct) */
    00047   MemSetT(&_m[0], 0);
    00048   SetTileType(0, MP_WATER);
    00049   SetTileOwner(0, OWNER_WATER);
    00050 }
    00051
    00052 static void FixTTDMapArray()
    00053 {
    00054   /* _old_map3 is moved to _m::m3 and _m::m4 */
    00055   for (TileIndex t = 0; t < OLD_MAP_SIZE; t++) {
    00056     _m[t].m3 = _old_map3[t * 2];
    00057     _m[t].m4 = _old_map3[t * 2 + 1];
    00058   }
    00059
    00060   for (TileIndex t = 0; t < OLD_MAP_SIZE; t++) {
    00061     switch (GetTileType(t)) {
    00062       case MP_STATION:
    00063         _m[t].m4 = 0; // We do not understand this TTDP station mapping (yet)
    00064         switch (_m[t].m5) {
    00065           /* We have drive through stops at a totally different place */
    00066           case 0x53: case 0x54: _m[t].m5 += 170 - 0x53; break; // Bus drive through
    00067           case 0x57: case 0x58: _m[t].m5 += 168 - 0x57; break; // Truck drive through
    00068           case 0x55: case 0x56: _m[t].m5 += 170 - 0x55; break; // Bus tram stop
    00069           case 0x59: case 0x5A: _m[t].m5 += 168 - 0x59; break; // Truck tram stop
    00070           default: break;
    00071         }
    00072         break;
    00073
    00074       case MP_RAILWAY:
    00075         /* We save presignals different from TTDPatch, convert them */
    00076         if (GB(_m[t].m5, 6, 2) == 1) { // RAIL_TILE_SIGNALS
    00077           /* This byte is always zero in TTD for this type of tile */
    00078           if (_m[t].m4) { // Convert the presignals to our own format
    00079             _m[t].m4 = (_m[t].m4 >> 1) & 7;
    00080           }
    00081         }
    00082         /* TTDPatch stores PBS things in L6 and all elsewhere; so we'll just
    00083          * clear it for ourselves and let OTTD's rebuild PBS itself */
    00084         _m[t].m4 &= 0xF; // Only keep the lower four bits; upper four is PBS
    00085         break;
    00086
    00087       case MP_WATER:
    00088         /* if water class == 3, make river there */
    00089         if (GB(_m[t].m3, 0, 2) == 3) {
    00090           SetTileType(t, MP_WATER);
    00091           SetTileOwner(t, OWNER_WATER);
    00092           _m[t].m2 = 0;
    00093           _m[t].m3 = 2; // WATER_CLASS_RIVER
    00094           _m[t].m4 = Random();
    00095           _m[t].m5 = 0;
    00096         }
    00097         break;
    00098
    00099       default:
    00100         break;
    00101     }
    00102   }
    00103
    00104   FixOldMapArray();
    00105 }
    00106
    00107 static void FixTTDDepots()
    00108 {
    00109   const Depot *d;
    00110   FOR_ALL_DEPOTS_FROM(d, 252) {
    00111     if (!IsDepotTile(d->xy) || GetDepotIndex(d->xy) != d->index) {
    00113       delete d;
    00114     }
    00115   }
    00116 }
    00117
    00118 #define FIXNUM(x, y, z) (((((x) << 16) / (y)) + 1) << z)
    00119
    00120 static uint32 RemapOldTownName(uint32 townnameparts, byte old_town_name_type)
    00121 {
    00122   switch (old_town_name_type) {
    00123     case 0: case 3: // English, American
    00124       /* Already OK */
    00125       return townnameparts;
    00126
    00127     case 1: // French
    00128       /* For some reason 86 needs to be subtracted from townnameparts
    00129        * 0000 0000 0000 0000 0000 0000 1111 1111 */
    00130       return FIXNUM(townnameparts - 86, lengthof(_name_french_real), 0);
    00131
    00132     case 2: // German
    00133       DEBUG(misc, 0, "German Townnames are buggy (%d)", townnameparts);
    00134       return townnameparts;
    00135
    00136     case 4: // Latin-American
    00137       /* 0000 0000 0000 0000 0000 0000 1111 1111 */
    00138       return FIXNUM(townnameparts, lengthof(_name_spanish_real), 0);
    00139
    00140     case 5: // Silly
    00141       /* NUM_SILLY_1 - lower 16 bits
    00142        * NUM_SILLY_2 - upper 16 bits without leading 1 (first 8 bytes)
    00143        * 1000 0000 2222 2222 0000 0000 1111 1111 */
    00144       return FIXNUM(townnameparts, lengthof(_name_silly_1), 0) | FIXNUM(GB(townnameparts, 16, 8), lengthof(_name_silly_2), 16);
    00145   }
    00146   return 0;
    00147 }
    00148
    00149 #undef FIXNUM
    00150
    00151 static void FixOldTowns()
    00152 {
    00153   Town *town;
    00154
    00155   /* Convert town-names if needed */
    00156   FOR_ALL_TOWNS(town) {
    00157     if (IsInsideMM(town->townnametype, 0x20C1, 0x20C3)) {
    00158       town->townnametype = SPECSTR_TOWNNAME_ENGLISH + _settings_game.game_creation.town_name;
    00159       town->townnameparts = RemapOldTownName(town->townnameparts, _settings_game.game_creation.town_name);
    00160     }
    00161   }
    00162 }
    00163
    00164 static StringID *_old_vehicle_names;
    00165
    00171 void FixOldVehicles()
    00172 {
    00173   Vehicle *v;
    00174
    00175   FOR_ALL_VEHICLES(v) {
    00176     if ((size_t)v->next == 0xFFFF) {
    00177       v->next = NULL;
    00178     } else {
    00179       v->next = Vehicle::GetIfValid((size_t)v->next);
    00180     }
    00181
    00182     /* For some reason we need to correct for this */
    00183     switch (v->spritenum) {
    00184       case 0xfd: break;
    00185       case 0xff: v->spritenum = 0xfe; break;
    00186       default:   v->spritenum >>= 1; break;
    00187     }
    00188
    00189     /* Vehicle-subtype is different in TTD(Patch) */
    00190     if (v->type == VEH_EFFECT) v->subtype = v->subtype >> 1;
    00191
    00192     v->name = CopyFromOldName(_old_vehicle_names[v->index]);
    00193
    00194     /* We haven't used this bit for stations for ages */
    00195     if (v->type == VEH_ROAD) {
    00196       RoadVehicle *rv = RoadVehicle::From(v);
    00197       if (rv->state != RVSB_IN_DEPOT && rv->state != RVSB_WORMHOLE) {
    00198         ClrBit(rv->state, 2);
    00199         if (IsTileType(rv->tile, MP_STATION) && _m[rv->tile].m5 >= 168) {
    00200           /* Update the vehicle's road state to show we're in a drive through road stop. */
    00201           SetBit(rv->state, RVS_IN_DT_ROAD_STOP);
    00202         }
    00203       }
    00204     }
    00205
    00206     /* The subtype should be 0, but it sometimes isn't :( */
    00207     if (v->type == VEH_ROAD || v->type == VEH_SHIP) v->subtype = 0;
    00208
    00209     /* Sometimes primary vehicles would have a nothing (invalid) order
    00210      * or vehicles that could not have an order would still have a
    00211      * (loading) order which causes assertions and the like later on.
    00212      */
    00213     if (!IsCompanyBuildableVehicleType(v) ||
    00214         (v->IsPrimaryVehicle() && v->current_order.IsType(OT_NOTHING))) {
    00215       v->current_order.MakeDummy();
    00216     }
    00217
    00218     /* Shared orders are fixed in AfterLoadVehicles now */
    00219   }
    00220 }
    00221
    00222 static bool FixTTOMapArray()
    00223 {
    00224   for (TileIndex t = 0; t < OLD_MAP_SIZE; t++) {
    00225     TileType tt = GetTileType(t);
    00226     if (tt == 11) {
    00227       /* TTO has a different way of storing monorail.
    00228        * Instead of using bits in m3 it uses a different tile type. */
    00229       _m[t].m3 = 1; // rail type = monorail (in TTD)
    00230       SetTileType(t, MP_RAILWAY);
    00231       _m[t].m2 = 1; // set monorail ground to RAIL_GROUND_GRASS
    00232       tt = MP_RAILWAY;
    00233     }
    00234
    00235     switch (tt) {
    00236       case MP_CLEAR:
    00237         break;
    00238
    00239       case MP_RAILWAY:
    00240         switch (GB(_m[t].m5, 6, 2)) {
    00241           case 0: // RAIL_TILE_NORMAL
    00242             break;
    00243           case 1: // RAIL_TILE_SIGNALS
    00244             _m[t].m4 = (~_m[t].m5 & 1) << 2;        // signal variant (present only in OTTD)
    00245             SB(_m[t].m2, 6, 2, GB(_m[t].m5, 3, 2)); // signal status
    00246             _m[t].m3 |= 0xC0;                       // both signals are present
    00247             _m[t].m5 = HasBit(_m[t].m5, 5) ? 2 : 1; // track direction (only X or Y)
    00248             _m[t].m5 |= 0x40;                       // RAIL_TILE_SIGNALS
    00249             break;
    00250           case 3: // RAIL_TILE_DEPOT
    00251             _m[t].m2 = 0;
    00252             break;
    00253           default:
    00254             return false;
    00255         }
    00256         break;
    00257
    00258       case MP_ROAD: // road (depot) or level crossing
    00259         switch (GB(_m[t].m5, 4, 4)) {
    00260           case 0: // ROAD_TILE_NORMAL
    00261             if (_m[t].m2 == 4) _m[t].m2 = 5; // 'small trees' -> ROADSIDE_TREES
    00262             break;
    00263           case 1: // ROAD_TILE_CROSSING (there aren't monorail crossings in TTO)
    00264             _m[t].m3 = _m[t].m1; // set owner of road = owner of rail
    00265             break;
    00266           case 2: // ROAD_TILE_DEPOT
    00267             break;
    00268           default:
    00269             return false;
    00270         }
    00271         break;
    00272
    00273       case MP_HOUSE:
    00274         _m[t].m3 = _m[t].m2 & 0xC0;    // construction stage
    00275         _m[t].m2 &= 0x3F;              // building type
    00276         if (_m[t].m2 >= 5) _m[t].m2++; // skip "large office block on snow"
    00277         break;
    00278
    00279       case MP_TREES:
    00280         _m[t].m3 = GB(_m[t].m5, 3, 3); // type of trees
    00281         _m[t].m5 &= 0xC7;              // number of trees and growth status
    00282         break;
    00283
    00284       case MP_STATION:
    00285         _m[t].m3 = (_m[t].m5 >= 0x08 && _m[t].m5 <= 0x0F) ? 1 : 0; // monorail -> 1, others 0 (rail, road, airport, dock)
    00286         if (_m[t].m5 >= 8) _m[t].m5 -= 8; // shift for monorail
    00287         if (_m[t].m5 >= 0x42) _m[t].m5++; // skip heliport
    00288         break;
    00289
    00290       case MP_WATER:
    00291         _m[t].m3 = _m[t].m2 = 0;
    00292         break;
    00293
    00294       case MP_VOID:
    00295         _m[t].m2 = _m[t].m3 = _m[t].m5 = 0;
    00296         break;
    00297
    00298       case MP_INDUSTRY:
    00299         _m[t].m3 = 0;
    00300         switch (_m[t].m5) {
    00301           case 0x24: // farm silo
    00302             _m[t].m5 = 0x25;
    00303             break;
    00304           case 0x25: case 0x27: // farm
    00305           case 0x28: case 0x29: case 0x2A: case 0x2B: // factory
    00306             _m[t].m5--;
    00307             break;
    00308           default:
    00309             if (_m[t].m5 >= 0x2C) _m[t].m5 += 3; // iron ore mine, steel mill or bank
    00310             break;
    00311         }
    00312         break;
    00313
    00314       case MP_TUNNELBRIDGE:
    00315         if (HasBit(_m[t].m5, 7)) { // bridge
    00316           byte m5 = _m[t].m5;
    00317           _m[t].m5 = m5 & 0xE1; // copy bits 7..5, 1
    00318           if (GB(m5, 1, 2) == 1) _m[t].m5 |= 0x02; // road bridge
    00319           if (GB(m5, 1, 2) == 3) _m[t].m2 |= 0xA0; // monorail bridge -> tubular, steel bridge
    00320           if (!HasBit(m5, 6)) { // bridge head
    00321             _m[t].m3 = (GB(m5, 1, 2) == 3) ? 1 : 0; // track subtype (1 for monorail, 0 for others)
    00322           } else { // middle bridge part
    00323             _m[t].m3 = HasBit(m5, 2) ? 0x10 : 0;  // track subtype on bridge
    00324             if (GB(m5, 3, 2) == 3) _m[t].m3 |= 1; // track subtype under bridge
    00325             if (GB(m5, 3, 2) == 1) _m[t].m5 |= 0x08; // set for road/water under (0 for rail/clear)
    00326           }
    00327         } else { // tunnel entrance/exit
    00328           _m[t].m2 = 0;
    00329           _m[t].m3 = HasBit(_m[t].m5, 3); // monorail
    00330           _m[t].m5 &= HasBit(_m[t].m5, 3) ? 0x03 : 0x07 ; // direction, transport type (== 0 for rail)
    00331         }
    00332         break;
    00333
    00334       case MP_OBJECT:
    00335         _m[t].m2 = 0;
    00336         _m[t].m3 = 0;
    00337         break;
    00338
    00339       default:
    00340         return false;
    00341
    00342     }
    00343   }
    00344
    00345   FixOldMapArray();
    00346
    00347   return true;
    00348 }
    00349
    00350 static Engine *_old_engines;
    00351
    00352 static bool FixTTOEngines()
    00353 {
    00355   static const EngineID ttd_to_tto[] = {
    00356       0, 255, 255, 255, 255, 255, 255, 255,   5,   7,   8,   9,  10,  11,  12,  13,
    00357     255, 255, 255, 255, 255, 255,  15,  16,  17,  18,  19,  20,  21,  22,  23,  24,
    00358     25,   26,  27,  28,  29,  30, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
    00359     255, 255, 255, 255, 255, 255, 255,  31, 255,  32,  33,  34,  35,  36,  37,  38,
    00360      39,  40,  41,  42, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
    00361     255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
    00362     255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
    00363     255, 255, 255, 255,  44,  45,  46, 255, 255, 255, 255,  47,  48, 255,  49,  50,
    00364     255, 255, 255, 255,  51,  52, 255,  53,  54, 255,  55,  56, 255,  57,  58, 255,
    00365      59,  60, 255,  61,  62, 255,  63,  64, 255,  65,  66, 255, 255, 255, 255, 255,
    00366     255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
    00367     255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
    00368     255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,  67,  68,  69,  70,
    00369      71, 255, 255,  76,  77, 255, 255,  78,  79,  80,  81,  82,  83,  84,  85,  86,
    00370      87,  88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99, 100, 101, 255,
    00371     255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 102, 255, 255
    00372   };
    00373
    00375   static const EngineID tto_to_ttd[] = {
    00376       0,   0,   8,   8,   8,   8,   8,   9,  10,  11,  12,  13,  14,  15,  15,  22,
    00377      23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  55,
    00378      57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67, 116, 116, 117, 118, 123,
    00379     124, 126, 127, 132, 133, 135, 136, 138, 139, 141, 142, 144, 145, 147, 148, 150,
    00380     151, 153, 154, 204, 205, 206, 207, 208, 211, 212, 211, 212, 211, 212, 215, 216,
    00381     217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,
    00382     233, 234, 235, 236, 237, 238, 253
    00383   };
    00384
    00385   Vehicle *v;
    00386   FOR_ALL_VEHICLES(v) {
    00387     if (v->engine_type >= lengthof(tto_to_ttd)) return false;
    00388     v->engine_type = tto_to_ttd[v->engine_type];
    00389   }
    00390
    00391   /* Load the default engine set. Many of them will be overriden later */
    00392   uint j = 0;
    00393   for (uint i = 0; i < lengthof(_orig_rail_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_TRAIN, i);
    00394   for (uint i = 0; i < lengthof(_orig_road_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_ROAD, i);
    00395   for (uint i = 0; i < lengthof(_orig_ship_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_SHIP, i);
    00396   for (uint i = 0; i < lengthof(_orig_aircraft_vehicle_info); i++, j++) new (GetTempDataEngine(j)) Engine(VEH_AIRCRAFT, i);
    00397
    00398   Date aging_date = min(_date + DAYS_TILL_ORIGINAL_BASE_YEAR, ConvertYMDToDate(2050, 0, 1));
    00399
    00400   for (EngineID i = 0; i < 256; i++) {
    00401     int oi = ttd_to_tto[i];
    00402     Engine *e = GetTempDataEngine(i);
    00403
    00404     if (oi == 255) {
    00405       /* Default engine is used */
    00406       _date += DAYS_TILL_ORIGINAL_BASE_YEAR;
    00407       StartupOneEngine(e, aging_date);
    00408       e->intro_date -= DAYS_TILL_ORIGINAL_BASE_YEAR;
    00409       _date -= DAYS_TILL_ORIGINAL_BASE_YEAR;
    00410
    00411       /* Make sure for example monorail and maglev are available when they should be */
    00412       if (_date >= e->intro_date && HasBit(e->info.climates, 0)) {
    00413         e->flags |= ENGINE_AVAILABLE;
    00414         e->company_avail = (CompanyMask)0xFF;
    00415         e->age = _date > e->intro_date ? (_date - e->intro_date) / 30 : 0;
    00416       }
    00417     } else {
    00418       /* Using data from TTO savegame */
    00419       Engine *oe = &_old_engines[oi];
    00420
    00421       e->intro_date          = oe->intro_date;
    00422       e->age                 = oe->age;
    00423       e->reliability         = oe->reliability;
    00424       e->reliability_spd_dec = oe->reliability_spd_dec;
    00425       e->reliability_start   = oe->reliability_start;
    00426       e->reliability_max     = oe->reliability_max;
    00427       e->reliability_final   = oe->reliability_final;
    00428       e->duration_phase_1    = oe->duration_phase_1;
    00429       e->duration_phase_2    = oe->duration_phase_2;
    00430       e->duration_phase_3    = oe->duration_phase_3;
    00431       e->flags               = oe->flags;
    00432
    00433       e->company_avail = 0;
    00434
    00435       /* One or more engines were remapped to this one. Make this engine available
    00436        * if at least one of them was available. */
    00437       for (uint j = 0; j < lengthof(tto_to_ttd); j++) {
    00438         if (tto_to_ttd[j] == i && _old_engines[j].company_avail != 0) {
    00439           e->company_avail = (CompanyMask)0xFF;
    00440           e->flags |= ENGINE_AVAILABLE;
    00441           break;
    00442         }
    00443       }
    00444
    00445       e->info.climates = 1;
    00446     }
    00447
    00448     e->preview_company_rank = 0;
    00449     e->preview_wait = 0;
    00450     e->name = NULL;
    00451   }
    00452
    00453   return true;
    00454 }
    00455
    00456 static void FixTTOCompanies()
    00457 {
    00458   Company *c;
    00459   FOR_ALL_COMPANIES(c) {
    00460     c->cur_economy.company_value = CalculateCompanyValue(c); // company value history is zeroed
    00461   }
    00462 }
    00463
    00464 static inline byte RemapTTOColour(byte tto)
    00465 {
    00467   static const byte tto_colour_remap[] = {
    00468     COLOUR_DARK_BLUE,  COLOUR_GREY,       COLOUR_YELLOW,     COLOUR_RED,
    00469     COLOUR_PURPLE,     COLOUR_DARK_GREEN, COLOUR_ORANGE,     COLOUR_PALE_GREEN,
    00470     COLOUR_BLUE,       COLOUR_GREEN,      COLOUR_CREAM,      COLOUR_BROWN,
    00471     COLOUR_WHITE,      COLOUR_LIGHT_BLUE, COLOUR_MAUVE,      COLOUR_PINK
    00472   };
    00473
    00474   if ((size_t)tto >= lengthof(tto_colour_remap)) return COLOUR_GREY; // this shouldn't happen
    00475
    00476   return tto_colour_remap[tto];
    00477 }
    00478
    00479 static inline uint RemapTownIndex(uint x)
    00480 {
    00481   return _savegame_type == SGT_TTO ? (x - 0x264) / 78 : (x - 0x264) / 94;
    00482 }
    00483
    00484 static inline uint RemapOrderIndex(uint x)
    00485 {
    00486   return _savegame_type == SGT_TTO ? (x - 0x1AC4) / 2 : (x - 0x1C18) / 2;
    00487 }
    00488
    00489 extern TileIndex *_animated_tile_list;
    00490 extern uint _animated_tile_count;
    00491 extern char *_old_name_array;
    00492
    00493 static uint32 _old_town_index;
    00494 static uint16 _old_string_id;
    00495 static uint16 _old_string_id_2;
    00496
    00497 static void ReadTTDPatchFlags()
    00498 {
    00499   if (_read_ttdpatch_flags) return;
    00500
    00501   _read_ttdpatch_flags = true;
    00502
    00503   /* Set default values */
    00504   _old_vehicle_multiplier = 1;
    00505   _ttdp_version = 0;
    00506   _old_extra_chunk_nums = 0;
    00507   _bump_assert_value = 0;
    00508
    00509   if (_savegame_type == SGT_TTO) return;
    00510
    00511   /* TTDPatch misuses _old_map3 for flags.. read them! */
    00512   _old_vehicle_multiplier = _old_map3[0];
    00513   /* Somehow.... there was an error in some savegames, so 0 becomes 1
    00514    * and 1 becomes 2. The rest of the values are okay */
    00515   if (_old_vehicle_multiplier < 2) _old_vehicle_multiplier++;
    00516
    00517   _old_vehicle_names = MallocT<StringID>(_old_vehicle_multiplier * 850);
    00518
    00519   /* TTDPatch increases the Vehicle-part in the middle of the game,
    00520    * so if the multipler is anything else but 1, the assert fails..
    00521    * bump the assert value so it doesn't!
    00522    * (1 multipler == 850 vehicles
    00523    * 1 vehicle   == 128 bytes */
    00524   _bump_assert_value = (_old_vehicle_multiplier - 1) * 850 * 128;
    00525
    00526   for (uint i = 0; i < 17; i++) { // check tile 0, too
    00527     if (_old_map3[i] != 0) _savegame_type = SGT_TTDP1;
    00528   }
    00529
    00530   /* Check if we have a modern TTDPatch savegame (has extra data all around) */
    00531   if (memcmp(&_old_map3[0x1FFFA], "TTDp", 4) == 0) _savegame_type = SGT_TTDP2;
    00532
    00533   _old_extra_chunk_nums = _old_map3[_savegame_type == SGT_TTDP2 ? 0x1FFFE : 0x2];
    00534
    00535   /* Clean the misused places */
    00536   for (uint i = 0;       i < 17;      i++) _old_map3[i] = 0;
    00537   for (uint i = 0x1FE00; i < 0x20000; i++) _old_map3[i] = 0;
    00538
    00539   if (_savegame_type == SGT_TTDP2) DEBUG(oldloader, 2, "Found TTDPatch game");
    00540
    00541   DEBUG(oldloader, 3, "Vehicle-multiplier is set to %d (%d vehicles)", _old_vehicle_multiplier, _old_vehicle_multiplier * 850);
    00542 }
    00543
    00544 static const OldChunks town_chunk[] = {
    00545   OCL_SVAR(   OC_TILE, Town, xy ),
    00546   OCL_NULL( 2 ),
    00547   OCL_SVAR( OC_UINT16, Town, townnametype ),
    00548   OCL_SVAR( OC_UINT32, Town, townnameparts ),
    00549   OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Town, grow_counter ),
    00550   OCL_NULL( 1 ),
    00551   OCL_NULL( 4 ),
    00552   OCL_NULL( 2 ),
    00553   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, Town, flags ),
    00554   OCL_NULL( 10 ),
    00555
    00556   OCL_SVAR( OC_INT16, Town, ratings[0] ),
    00557   OCL_SVAR( OC_INT16, Town, ratings[1] ),
    00558   OCL_SVAR( OC_INT16, Town, ratings[2] ),
    00559   OCL_SVAR( OC_INT16, Town, ratings[3] ),
    00560   OCL_SVAR( OC_INT16, Town, ratings[4] ),
    00561   OCL_SVAR( OC_INT16, Town, ratings[5] ),
    00562   OCL_SVAR( OC_INT16, Town, ratings[6] ),
    00563   OCL_SVAR( OC_INT16, Town, ratings[7] ),
    00564
    00565   OCL_SVAR( OC_FILE_U32 | OC_VAR_U16, Town, have_ratings ),
    00566   OCL_SVAR( OC_FILE_U32 | OC_VAR_U16, Town, statues ),
    00567   OCL_NULL( 2 ),
    00568   OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Town, time_until_rebuild ),
    00569   OCL_SVAR(  OC_FILE_U8 | OC_VAR_I16, Town, growth_rate ),
    00570
    00571   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, new_max_pass ),
    00572   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, new_max_mail ),
    00573   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, new_act_pass ),
    00574   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, new_act_mail ),
    00575   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, max_pass ),
    00576   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, max_mail ),
    00577   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, act_pass ),
    00578   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Town, act_mail ),
    00579
    00580   OCL_SVAR(  OC_UINT8, Town, pct_pass_transported ),
    00581   OCL_SVAR(  OC_UINT8, Town, pct_mail_transported ),
    00582
    00583   OCL_SVAR( OC_TTD | OC_UINT16, Town, new_act_food ),
    00584   OCL_SVAR( OC_TTD | OC_UINT16, Town, new_act_water ),
    00585   OCL_SVAR( OC_TTD | OC_UINT16, Town, act_food ),
    00586   OCL_SVAR( OC_TTD | OC_UINT16, Town, act_water ),
    00587
    00588   OCL_SVAR(  OC_UINT8, Town, road_build_months ),
    00589   OCL_SVAR(  OC_UINT8, Town, fund_buildings_months ),
    00590
    00591   OCL_CNULL( OC_TTD, 8 ),
    00592
    00593   OCL_END()
    00594 };
    00595
    00596 static bool LoadOldTown(LoadgameState *ls, int num)
    00597 {
    00598   Town *t = new (num) Town();
    00599   if (!LoadChunk(ls, t, town_chunk)) return false;
    00600
    00601   if (t->xy != 0) {
    00602     if (_savegame_type == SGT_TTO) {
    00603       /* 0x10B6 is auto-generated name, others are custom names */
    00604       t->townnametype = t->townnametype == 0x10B6 ? 0x20C1 : t->townnametype + 0x2A00;
    00605     }
    00606   } else {
    00607     delete t;
    00608   }
    00609
    00610   return true;
    00611 }
    00612
    00613 static uint16 _old_order;
    00614 static const OldChunks order_chunk[] = {
    00615   OCL_VAR ( OC_UINT16,   1, &_old_order ),
    00616   OCL_END()
    00617 };
    00618
    00619 static bool LoadOldOrder(LoadgameState *ls, int num)
    00620 {
    00621   if (!LoadChunk(ls, NULL, order_chunk)) return false;
    00622
    00623   Order *o = new (num) Order();
    00624   o->AssignOrder(UnpackOldOrder(_old_order));
    00625
    00626   if (o->IsType(OT_NOTHING)) {
    00627     delete o;
    00628   } else {
    00629     /* Relink the orders to eachother (in the orders for one vehicle are behind eachother,
    00630      * with an invalid order (OT_NOTHING) as indication that it is the last order */
    00631     Order *prev = Order::GetIfValid(num - 1);
    00632     if (prev != NULL) prev->next = o;
    00633   }
    00634
    00635   return true;
    00636 }
    00637
    00638 static bool LoadOldAnimTileList(LoadgameState *ls, int num)
    00639 {
    00640   /* This is sligthly hackish - we must load a chunk into an array whose
    00641    * address isn't static, but instead pointed to by _animated_tile_list.
    00642    * To achieve that, create an OldChunks list on the stack on the fly.
    00643    * The list cannot be static because the value of _animated_tile_list
    00644    * can change between calls. */
    00645
    00646   const OldChunks anim_chunk[] = {
    00647     OCL_VAR (   OC_TILE, 256, _animated_tile_list ),
    00648     OCL_END ()
    00649   };
    00650
    00651   if (!LoadChunk(ls, NULL, anim_chunk)) return false;
    00652
    00653   /* Update the animated tile counter by counting till the first zero in the array */
    00654   for (_animated_tile_count = 0; _animated_tile_count < 256; _animated_tile_count++) {
    00655     if (_animated_tile_list[_animated_tile_count] == 0) break;
    00656   }
    00657
    00658   return true;
    00659 }
    00660
    00661 static const OldChunks depot_chunk[] = {
    00662   OCL_SVAR(   OC_TILE, Depot, xy ),
    00663   OCL_VAR ( OC_UINT32,                1, &_old_town_index ),
    00664   OCL_END()
    00665 };
    00666
    00667 static bool LoadOldDepot(LoadgameState *ls, int num)
    00668 {
    00669   Depot *d = new (num) Depot();
    00670   if (!LoadChunk(ls, d, depot_chunk)) return false;
    00671
    00672   if (d->xy != 0) {
    00673     /* In some cases, there could be depots referencing invalid town. */
    00674     Town *t = Town::GetIfValid(RemapTownIndex(_old_town_index));
    00675     if (t == NULL) t = Town::GetRandom();
    00676     d->town = t;
    00677   } else {
    00678     delete d;
    00679   }
    00680
    00681   return true;
    00682 }
    00683
    00684 static StationID _current_station_id;
    00685 static uint16 _waiting_acceptance;
    00686 static uint8  _cargo_source;
    00687 static uint8  _cargo_days;
    00688
    00689 static const OldChunks goods_chunk[] = {
    00690   OCL_VAR ( OC_UINT16, 1,          &_waiting_acceptance ),
    00691   OCL_SVAR(  OC_UINT8, GoodsEntry, days_since_pickup ),
    00692   OCL_SVAR(  OC_UINT8, GoodsEntry, rating ),
    00693   OCL_VAR (  OC_UINT8, 1,          &_cargo_source ),
    00694   OCL_VAR (  OC_UINT8, 1,          &_cargo_days ),
    00695   OCL_SVAR(  OC_UINT8, GoodsEntry, last_speed ),
    00696   OCL_SVAR(  OC_UINT8, GoodsEntry, last_age ),
    00697
    00698   OCL_END()
    00699 };
    00700
    00701 static bool LoadOldGood(LoadgameState *ls, int num)
    00702 {
    00703   /* for TTO games, 12th (num == 11) goods entry is created in the Station constructor */
    00704   if (_savegame_type == SGT_TTO && num == 11) return true;
    00705
    00706   Station *st = Station::Get(_current_station_id);
    00707   GoodsEntry *ge = &st->goods[num];
    00708
    00709   if (!LoadChunk(ls, ge, goods_chunk)) return false;
    00710
    00711   SB(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
    00712   SB(ge->acceptance_pickup, GoodsEntry::PICKUP, 1, _cargo_source != 0xFF);
    00713   if (GB(_waiting_acceptance, 0, 12) != 0 && CargoPacket::CanAllocateItem()) {
    00714     ge->cargo.Append(new CargoPacket(GB(_waiting_acceptance, 0, 12), _cargo_days, (_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source, 0, 0));
    00715   }
    00716
    00717   return true;
    00718 }
    00719
    00720 static const OldChunks station_chunk[] = {
    00721   OCL_SVAR(   OC_TILE, Station, xy ),
    00722   OCL_VAR ( OC_UINT32,   1, &_old_town_index ),
    00723
    00724   OCL_NULL( 4 ),
    00725   OCL_SVAR(   OC_TILE, Station, train_station.tile ),
    00726   OCL_SVAR(   OC_TILE, Station, airport.tile ),
    00727   OCL_SVAR(   OC_TILE, Station, dock_tile ),
    00728   OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Station, train_station.w ),
    00729
    00730   OCL_NULL( 1 ),
    00731   OCL_NULL( 2 ),
    00732
    00733   OCL_VAR ( OC_UINT16,   1, &_old_string_id ),
    00734
    00735   OCL_NULL( 4 ),
    00736
    00737   OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Station, had_vehicle_of_type ),
    00738
    00739   OCL_CHUNK( 12, LoadOldGood ),
    00740
    00741   OCL_SVAR(  OC_UINT8, Station, time_since_load ),
    00742   OCL_SVAR(  OC_UINT8, Station, time_since_unload ),
    00743   OCL_SVAR(  OC_UINT8, Station, delete_ctr ),
    00744   OCL_SVAR(  OC_UINT8, Station, owner ),
    00745   OCL_SVAR(  OC_UINT8, Station, facilities ),
    00746   OCL_SVAR( OC_TTD | OC_UINT8, Station, airport.type ),
    00747   OCL_SVAR( OC_TTO | OC_FILE_U16 | OC_VAR_U64, Station, airport.flags ),
    00748   OCL_NULL( 3 ),
    00749   OCL_CNULL( OC_TTD, 1 ),
    00750   OCL_SVAR( OC_TTD | OC_FILE_U16 | OC_VAR_U64, Station, airport.flags ),
    00751   OCL_CNULL( OC_TTD, 2 ),
    00752   OCL_CNULL( OC_TTD, 4 ),
    00753
    00754   OCL_END()
    00755 };
    00756
    00757 static bool LoadOldStation(LoadgameState *ls, int num)
    00758 {
    00759   Station *st = new (num) Station();
    00760   _current_station_id = num;
    00761
    00762   if (!LoadChunk(ls, st, station_chunk)) return false;
    00763
    00764   if (st->xy != 0) {
    00765     st->town = Town::Get(RemapTownIndex(_old_town_index));
    00766
    00767     if (_savegame_type == SGT_TTO) {
    00768       if (IsInsideBS(_old_string_id, 0x180F, 32)) {
    00769         st->string_id = STR_SV_STNAME + (_old_string_id - 0x180F); // automatic name
    00770       } else {
    00771         st->string_id = _old_string_id + 0x2800; // custom name
    00772       }
    00773
    00774       if (HasBit(st->airport.flags, 8)) {
    00775         st->airport.type = 1; // large airport
    00776       } else if (HasBit(st->airport.flags, 6)) {
    00777         st->airport.type = 3; // oil rig
    00778       } else {
    00779         st->airport.type = 0; // small airport
    00780       }
    00781     } else {
    00782       st->string_id = RemapOldStringID(_old_string_id);
    00783     }
    00784   } else {
    00785     delete st;
    00786   }
    00787
    00788   return true;
    00789 }
    00790
    00791 static const OldChunks industry_chunk[] = {
    00792   OCL_SVAR(   OC_TILE, Industry, location.tile ),
    00793   OCL_VAR ( OC_UINT32,   1, &_old_town_index ),
    00794   OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Industry, location.w ),
    00795   OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Industry, location.h ),
    00796   OCL_NULL( 2 ),
    00797
    00798   OCL_SVAR( OC_TTD | OC_UINT16, Industry, produced_cargo_waiting[0] ),
    00799   OCL_SVAR( OC_TTD | OC_UINT16, Industry, produced_cargo_waiting[1] ),
    00800   OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, produced_cargo_waiting[0] ),
    00801   OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, produced_cargo_waiting[1] ),
    00802
    00803   OCL_SVAR(  OC_UINT8, Industry, production_rate[0] ),
    00804   OCL_SVAR(  OC_UINT8, Industry, production_rate[1] ),
    00805
    00806   OCL_NULL( 3 ),
    00807
    00808   OCL_SVAR(  OC_UINT8, Industry, prod_level ),
    00809
    00810   OCL_SVAR( OC_UINT16, Industry, this_month_production[0] ),
    00811   OCL_SVAR( OC_UINT16, Industry, this_month_production[1] ),
    00812   OCL_SVAR( OC_UINT16, Industry, this_month_transported[0] ),
    00813   OCL_SVAR( OC_UINT16, Industry, this_month_transported[1] ),
    00814
    00815   OCL_SVAR(  OC_UINT8, Industry, last_month_pct_transported[0] ),
    00816   OCL_SVAR(  OC_UINT8, Industry, last_month_pct_transported[1] ),
    00817
    00818   OCL_SVAR( OC_UINT16, Industry, last_month_production[0] ),
    00819   OCL_SVAR( OC_UINT16, Industry, last_month_production[1] ),
    00820   OCL_SVAR( OC_UINT16, Industry, last_month_transported[0] ),
    00821   OCL_SVAR( OC_UINT16, Industry, last_month_transported[1] ),
    00822
    00823   OCL_SVAR(  OC_UINT8, Industry, type ),
    00824   OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Industry, counter ),
    00825   OCL_SVAR(  OC_UINT8, Industry, owner ),
    00826   OCL_SVAR(  OC_UINT8, Industry, random_colour ),
    00827   OCL_SVAR( OC_TTD | OC_FILE_U8 | OC_VAR_I32, Industry, last_prod_year ),
    00828   OCL_SVAR( OC_TTD | OC_UINT16, Industry, counter ),
    00829   OCL_SVAR( OC_TTD | OC_UINT8, Industry, was_cargo_delivered ),
    00830
    00831   OCL_CNULL( OC_TTD, 9 ),
    00832
    00833   OCL_END()
    00834 };
    00835
    00836 static bool LoadOldIndustry(LoadgameState *ls, int num)
    00837 {
    00838   Industry *i = new (num) Industry();
    00839   if (!LoadChunk(ls, i, industry_chunk)) return false;
    00840
    00841   if (i->location.tile != 0) {
    00842     i->town = Town::Get(RemapTownIndex(_old_town_index));
    00843
    00844     if (_savegame_type == SGT_TTO) {
    00845       if (i->type > 0x06) i->type++; // Printing Works were added
    00846       if (i->type == 0x0A) i->type = 0x12; // Iron Ore Mine has different ID
    00847
    00848       YearMonthDay ymd;
    00849       ConvertDateToYMD(_date, &ymd);
    00850       i->last_prod_year = ymd.year;
    00851
    00852       i->random_colour = RemapTTOColour(i->random_colour);
    00853     }
    00854
    00855     Industry::IncIndustryTypeCount(i->type);
    00856   } else {
    00857     delete i;
    00858   }
    00859
    00860   return true;
    00861 }
    00862
    00863 static CompanyID _current_company_id;
    00864 static int32 _old_yearly;
    00865
    00866 static const OldChunks _company_yearly_chunk[] = {
    00867   OCL_VAR(  OC_INT32,   1, &_old_yearly ),
    00868   OCL_END()
    00869 };
    00870
    00871 static bool LoadOldCompanyYearly(LoadgameState *ls, int num)
    00872 {
    00873   Company *c = Company::Get(_current_company_id);
    00874
    00875   for (uint i = 0; i < 13; i++) {
    00876     if (_savegame_type == SGT_TTO && i == 6) {
    00877       _old_yearly = 0; // property maintenance
    00878     } else {
    00879       if (!LoadChunk(ls, NULL, _company_yearly_chunk)) return false;
    00880     }
    00881
    00882     c->yearly_expenses[num][i] = _old_yearly;
    00883   }
    00884
    00885   return true;
    00886 }
    00887
    00888 static const OldChunks _company_economy_chunk[] = {
    00889   OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, income ),
    00890   OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, expenses ),
    00891   OCL_SVAR( OC_INT32,                 CompanyEconomyEntry, delivered_cargo ),
    00892   OCL_SVAR( OC_INT32,                 CompanyEconomyEntry, performance_history ),
    00893   OCL_SVAR( OC_TTD | OC_FILE_I32 | OC_VAR_I64, CompanyEconomyEntry, company_value ),
    00894
    00895   OCL_END()
    00896 };
    00897
    00898 static bool LoadOldCompanyEconomy(LoadgameState *ls, int num)
    00899 {
    00900   Company *c = Company::Get(_current_company_id);
    00901
    00902   if (!LoadChunk(ls, &c->cur_economy, _company_economy_chunk)) return false;
    00903
    00904   /* Don't ask, but the number in TTD(Patch) are inversed to OpenTTD */
    00905   c->cur_economy.income   = -c->cur_economy.income;
    00906   c->cur_economy.expenses = -c->cur_economy.expenses;
    00907
    00908   for (uint i = 0; i < 24; i++) {
    00909     if (!LoadChunk(ls, &c->old_economy[i], _company_economy_chunk)) return false;
    00910
    00911     c->old_economy[i].income   = -c->old_economy[i].income;
    00912     c->old_economy[i].expenses = -c->old_economy[i].expenses;
    00913   }
    00914
    00915   return true;
    00916 }
    00917
    00918 static const OldChunks _company_chunk[] = {
    00919   OCL_VAR ( OC_UINT16,   1, &_old_string_id ),
    00920   OCL_SVAR( OC_UINT32, Company, name_2 ),
    00921   OCL_SVAR( OC_UINT32, Company, face ),
    00922   OCL_VAR ( OC_UINT16,   1, &_old_string_id_2 ),
    00923   OCL_SVAR( OC_UINT32, Company, president_name_2 ),
    00924
    00925   OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Company, money ),
    00926   OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Company, current_loan ),
    00927
    00928   OCL_SVAR(  OC_UINT8, Company, colour ),
    00929   OCL_SVAR(  OC_UINT8, Company, money_fraction ),
    00930   OCL_SVAR(  OC_UINT8, Company, quarters_of_bankruptcy ),
    00931   OCL_SVAR( OC_FILE_U8  | OC_VAR_U16, Company, bankrupt_asked ),
    00932   OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Company, bankrupt_value ),
    00933   OCL_SVAR( OC_UINT16, Company, bankrupt_timeout ),
    00934
    00935   OCL_SVAR( OC_TTD | OC_UINT32, Company, cargo_types ),
    00936   OCL_SVAR( OC_TTO | OC_FILE_U16 | OC_VAR_U32, Company, cargo_types ),
    00937
    00938   OCL_CHUNK( 3, LoadOldCompanyYearly ),
    00939   OCL_CHUNK( 1, LoadOldCompanyEconomy ),
    00940
    00941   OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Company, inaugurated_year),
    00942   OCL_SVAR(                  OC_TILE, Company, last_build_coordinate ),
    00943   OCL_SVAR(                 OC_UINT8, Company, num_valid_stat_ent ),
    00944
    00945   OCL_NULL( 230 ),         // Old AI
    00946
    00947   OCL_SVAR(  OC_UINT8, Company, block_preview ),
    00948   OCL_CNULL( OC_TTD, 1 ),           // Old AI
    00949   OCL_SVAR( OC_TTD | OC_UINT8, Company, avail_railtypes ),
    00950   OCL_SVAR(   OC_TILE, Company, location_of_HQ ),
    00951   OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[0] ),
    00952   OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[1] ),
    00953   OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[2] ),
    00954   OCL_SVAR( OC_TTD | OC_UINT8, Company, share_owners[3] ),
    00955
    00956   OCL_CNULL( OC_TTD, 8 ),
    00957
    00958   OCL_END()
    00959 };
    00960
    00961 static bool LoadOldCompany(LoadgameState *ls, int num)
    00962 {
    00963   Company *c = new (num) Company();
    00964
    00965   _current_company_id = (CompanyID)num;
    00966
    00967   if (!LoadChunk(ls, c, _company_chunk)) return false;
    00968
    00969   if (_old_string_id == 0) {
    00970     delete c;
    00971     return true;
    00972   }
    00973
    00974   if (_savegame_type == SGT_TTO) {
    00975     /* adjust manager's face */
    00976     if (HasBit(c->face, 27) && GB(c->face, 26, 1) == GB(c->face, 19, 1)) {
    00977       /* if face would be black in TTD, adjust tie colour and thereby face colour */
    00978       ClrBit(c->face, 27);
    00979     }
    00980
    00981     /* Company name */
    00982     if (_old_string_id == 0 || _old_string_id == 0x4C00) {
    00983       _old_string_id = STR_SV_UNNAMED; // "Unnamed"
    00984     } else if (GB(_old_string_id, 8, 8) == 0x52) {
    00985       _old_string_id += 0x2A00; // Custom name
    00986     } else {
    00987       _old_string_id = RemapOldStringID(_old_string_id += 0x240D); // Automatic name
    00988     }
    00989     c->name_1 = _old_string_id;
    00990
    00991     /* Manager name */
    00992     switch (_old_string_id_2) {
    00993       case 0x4CDA: _old_string_id_2 = SPECSTR_PRESIDENT_NAME;    break; // automatic name
    00994       case 0x0006: _old_string_id_2 = STR_SV_EMPTY;              break; // empty name
    00995       default:     _old_string_id_2 = _old_string_id_2 + 0x2A00; break; // custom name
    00996     }
    00997     c->president_name_1 = _old_string_id_2;
    00998
    00999     c->colour = RemapTTOColour(c->colour);
    01000
    01001     if (num != 0) c->is_ai = true;
    01002   } else {
    01003     c->name_1 = RemapOldStringID(_old_string_id);
    01004     c->president_name_1 = RemapOldStringID(_old_string_id_2);
    01005
    01006     if (num == 0) {
    01007       /* If the first company has no name, make sure we call it UNNAMED */
    01008       if (c->name_1 == 0) {
    01009         c->name_1 = STR_SV_UNNAMED;
    01010       }
    01011     } else {
    01012       /* Beside some multiplayer maps (1 on 1), which we don't official support,
    01013        * all other companies are an AI.. mark them as such */
    01014       c->is_ai = true;
    01015     }
    01016
    01017     /* Sometimes it is better to not ask.. in old scenarios, the money
    01018      * was always 893288 pounds. In the newer versions this is correct,
    01019      * but correct for those oldies
    01020      * Ps: this also means that if you had exact 893288 pounds, you will go back
    01021      * to 100000.. this is a very VERY small chance ;) */
    01022     if (c->money == 893288) c->money = c->current_loan = 100000;
    01023   }
    01024
    01025   _company_colours[num] = (Colours)c->colour;
    01026   c->inaugurated_year -= ORIGINAL_BASE_YEAR;
    01027
    01028   return true;
    01029 }
    01030
    01031 static uint32 _old_order_ptr;
    01032 static uint16 _old_next_ptr;
    01033 static VehicleID _current_vehicle_id;
    01034
    01035 static const OldChunks vehicle_train_chunk[] = {
    01036   OCL_SVAR(  OC_UINT8, Train, track ),
    01037   OCL_SVAR(  OC_UINT8, Train, force_proceed ),
    01038   OCL_SVAR( OC_UINT16, Train, crash_anim_pos ),
    01039   OCL_SVAR(  OC_UINT8, Train, railtype ),
    01040
    01041   OCL_NULL( 5 ),
    01042
    01043   OCL_END()
    01044 };
    01045
    01046 static const OldChunks vehicle_road_chunk[] = {
    01047   OCL_SVAR(  OC_UINT8, RoadVehicle, state ),
    01048   OCL_SVAR(  OC_UINT8, RoadVehicle, frame ),
    01049   OCL_SVAR( OC_UINT16, RoadVehicle, blocked_ctr ),
    01050   OCL_SVAR(  OC_UINT8, RoadVehicle, overtaking ),
    01051   OCL_SVAR(  OC_UINT8, RoadVehicle, overtaking_ctr ),
    01052   OCL_SVAR( OC_UINT16, RoadVehicle, crashed_ctr ),
    01053   OCL_SVAR(  OC_UINT8, RoadVehicle, reverse_ctr ),
    01054
    01055   OCL_NULL( 1 ),
    01056
    01057   OCL_END()
    01058 };
    01059
    01060 static const OldChunks vehicle_ship_chunk[] = {
    01061   OCL_SVAR(  OC_UINT8, Ship, state ),
    01062
    01063   OCL_NULL( 9 ),
    01064
    01065   OCL_END()
    01066 };
    01067
    01068 static const OldChunks vehicle_air_chunk[] = {
    01069   OCL_SVAR(  OC_UINT8, Aircraft, pos ),
    01070   OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Aircraft, targetairport ),
    01071   OCL_SVAR( OC_UINT16, Aircraft, crashed_counter ),
    01072   OCL_SVAR(  OC_UINT8, Aircraft, state ),
    01073
    01074   OCL_NULL( 5 ),
    01075
    01076   OCL_END()
    01077 };
    01078
    01079 static const OldChunks vehicle_effect_chunk[] = {
    01080   OCL_SVAR( OC_UINT16, EffectVehicle, animation_state ),
    01081   OCL_SVAR(  OC_UINT8, EffectVehicle, animation_substate ),
    01082
    01083   OCL_NULL( 7 ), // Junk
    01084
    01085   OCL_END()
    01086 };
    01087
    01088 static const OldChunks vehicle_disaster_chunk[] = {
    01089   OCL_SVAR( OC_UINT16, DisasterVehicle, image_override ),
    01090   OCL_SVAR( OC_UINT16, DisasterVehicle, big_ufo_destroyer_target ),
    01091
    01092   OCL_NULL( 6 ),
    01093
    01094   OCL_END()
    01095 };
    01096
    01097 static const OldChunks vehicle_empty_chunk[] = {
    01098   OCL_NULL( 10 ),
    01099
    01100   OCL_END()
    01101 };
    01102
    01103 static bool LoadOldVehicleUnion(LoadgameState *ls, int num)
    01104 {
    01105   Vehicle *v = Vehicle::GetIfValid(_current_vehicle_id);
    01106   uint temp = ls->total_read;
    01107   bool res;
    01108
    01109   if (v == NULL) {
    01110     res = LoadChunk(ls, NULL, vehicle_empty_chunk);
    01111   } else {
    01112     switch (v->type) {
    01113       default: SlErrorCorrupt("Invalid vehicle type");
    01114       case VEH_TRAIN   : res = LoadChunk(ls, v, vehicle_train_chunk);    break;
    01115       case VEH_ROAD    : res = LoadChunk(ls, v, vehicle_road_chunk);     break;
    01116       case VEH_SHIP    : res = LoadChunk(ls, v, vehicle_ship_chunk);     break;
    01117       case VEH_AIRCRAFT: res = LoadChunk(ls, v, vehicle_air_chunk);      break;
    01118       case VEH_EFFECT  : res = LoadChunk(ls, v, vehicle_effect_chunk);   break;
    01119       case VEH_DISASTER: res = LoadChunk(ls, v, vehicle_disaster_chunk); break;
    01120     }
    01121   }
    01122
    01123   /* This chunk size should always be 10 bytes */
    01124   if (ls->total_read - temp != 10) {
    01125     DEBUG(oldloader, 0, "Assert failed in VehicleUnion: invalid chunk size");
    01126     return false;
    01127   }
    01128
    01129   return res;
    01130 }
    01131
    01132 static uint16 _cargo_count;
    01133
    01134 static const OldChunks vehicle_chunk[] = {
    01135   OCL_SVAR(  OC_UINT8, Vehicle, subtype ),
    01136
    01137   OCL_NULL( 2 ),
    01138   OCL_NULL( 2 ),
    01139
    01140   OCL_VAR ( OC_UINT32,   1, &_old_order_ptr ),
    01141   OCL_VAR ( OC_UINT16,   1, &_old_order ),
    01142
    01143   OCL_NULL ( 1 ),
    01144   OCL_SVAR(  OC_UINT8, Vehicle, cur_auto_order_index ),
    01145   OCL_SVAR(   OC_TILE, Vehicle, dest_tile ),
    01146   OCL_SVAR( OC_UINT16, Vehicle, load_unload_ticks ),
    01147   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, date_of_last_service ),
    01148   OCL_SVAR( OC_UINT16, Vehicle, service_interval ),
    01149   OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, last_station_visited ),
    01150   OCL_SVAR( OC_TTD | OC_UINT8, Vehicle, tick_counter ),
    01151   OCL_CNULL( OC_TTD, 2 ),
    01152   OCL_CNULL( OC_TTO, 1 ),
    01153
    01154   OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Vehicle, x_pos ),
    01155   OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Vehicle, y_pos ),
    01156   OCL_SVAR(  OC_UINT8, Vehicle, z_pos ),
    01157   OCL_SVAR(  OC_UINT8, Vehicle, direction ),
    01158   OCL_NULL( 2 ),
    01159   OCL_NULL( 2 ),
    01160   OCL_NULL( 1 ),
    01161
    01162   OCL_SVAR(  OC_UINT8, Vehicle, owner ),
    01163   OCL_SVAR(   OC_TILE, Vehicle, tile ),
    01164   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, cur_image ),
    01165
    01166   OCL_NULL( 8 ),
    01167
    01168   OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Vehicle, vehstatus ),
    01169   OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, cur_speed ),
    01170   OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, cur_speed ),
    01171   OCL_SVAR(  OC_UINT8, Vehicle, subspeed ),
    01172   OCL_SVAR(  OC_UINT8, Vehicle, acceleration ),
    01173   OCL_SVAR(  OC_UINT8, Vehicle, progress ),
    01174
    01175   OCL_SVAR(  OC_UINT8, Vehicle, cargo_type ),
    01176   OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, cargo_cap ),
    01177   OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, cargo_cap ),
    01178   OCL_VAR ( OC_TTD | OC_UINT16, 1, &_cargo_count ),
    01179   OCL_VAR ( OC_TTO | OC_FILE_U8 | OC_VAR_U16, 1, &_cargo_count ),
    01180   OCL_VAR (  OC_UINT8, 1,       &_cargo_source ),
    01181   OCL_VAR (  OC_UINT8, 1,       &_cargo_days ),
    01182
    01183   OCL_SVAR( OC_TTO | OC_UINT8, Vehicle, tick_counter ),
    01184
    01185   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, age ),
    01186   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, max_age ),
    01187   OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Vehicle, build_year ),
    01188   OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, unitnumber ),
    01189
    01190   OCL_SVAR( OC_TTD | OC_UINT16, Vehicle, engine_type ),
    01191   OCL_SVAR( OC_TTO | OC_FILE_U8 | OC_VAR_U16, Vehicle, engine_type ),
    01192
    01193   OCL_SVAR(  OC_UINT8, Vehicle, spritenum ),
    01194   OCL_SVAR(  OC_UINT8, Vehicle, day_counter ),
    01195
    01196   OCL_SVAR(  OC_UINT8, Vehicle, breakdowns_since_last_service ),
    01197   OCL_SVAR(  OC_UINT8, Vehicle, breakdown_ctr ),
    01198   OCL_SVAR(  OC_UINT8, Vehicle, breakdown_delay ),
    01199   OCL_SVAR(  OC_UINT8, Vehicle, breakdown_chance ),
    01200
    01201   OCL_CNULL( OC_TTO, 1 ),
    01202
    01203   OCL_SVAR( OC_UINT16, Vehicle, reliability ),
    01204   OCL_SVAR( OC_UINT16, Vehicle, reliability_spd_dec ),
    01205
    01206   OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_this_year ),
    01207   OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_last_year ),
    01208
    01209   OCL_VAR ( OC_UINT16,   1, &_old_next_ptr ),
    01210
    01211   OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Vehicle, value ),
    01212
    01213   OCL_VAR ( OC_UINT16,   1, &_old_string_id ),
    01214
    01215   OCL_CHUNK( 1, LoadOldVehicleUnion ),
    01216
    01217   OCL_CNULL( OC_TTO, 24 ),
    01218   OCL_CNULL( OC_TTD, 20 ),
    01219
    01220   OCL_END()
    01221 };
    01222
    01229 bool LoadOldVehicle(LoadgameState *ls, int num)
    01230 {
    01231   /* Read the TTDPatch flags, because we need some info from it */
    01232   ReadTTDPatchFlags();
    01233
    01234   for (uint i = 0; i < _old_vehicle_multiplier; i++) {
    01235     _current_vehicle_id = num * _old_vehicle_multiplier + i;
    01236
    01237     Vehicle *v;
    01238
    01239     if (_savegame_type == SGT_TTO) {
    01240       uint type = ReadByte(ls);
    01241       switch (type) {
    01242         default: return false;
    01243         case 0x00 /* VEH_INVALID  */: v = NULL;                                        break;
    01244         case 0x25 /* MONORAIL     */:
    01245         case 0x20 /* VEH_TRAIN    */: v = new (_current_vehicle_id) Train();           break;
    01246         case 0x21 /* VEH_ROAD     */: v = new (_current_vehicle_id) RoadVehicle();     break;
    01247         case 0x22 /* VEH_SHIP     */: v = new (_current_vehicle_id) Ship();            break;
    01248         case 0x23 /* VEH_AIRCRAFT */: v = new (_current_vehicle_id) Aircraft();        break;
    01249         case 0x24 /* VEH_EFFECT   */: v = new (_current_vehicle_id) EffectVehicle();   break;
    01250         case 0x26 /* VEH_DISASTER */: v = new (_current_vehicle_id) DisasterVehicle(); break;
    01251       }
    01252
    01253       if (!LoadChunk(ls, v, vehicle_chunk)) return false;
    01254       if (v == NULL) continue;
    01255
    01256       SpriteID sprite = v->cur_image;
    01257       /* no need to override other sprites */
    01258       if (IsInsideMM(sprite, 1460, 1465)) {
    01259         sprite += 580; // aircraft smoke puff
    01260       } else if (IsInsideMM(sprite, 2096, 2115)) {
    01261         sprite += 977; // special effects part 1
    01262       } else if (IsInsideMM(sprite, 2396, 2436)) {
    01263         sprite += 1305; // special effects part 2
    01264       } else if (IsInsideMM(sprite, 2516, 2539)) {
    01265         sprite += 1385; // rotor or disaster-related vehicles
    01266       }
    01267       v->cur_image = sprite;
    01268
    01269       switch (v->type) {
    01270         case VEH_TRAIN: {
    01271           static const byte spriteset_rail[] = {
    01272               0,   2,   4,   4,   8,  10,  12,  14,  16,  18,  20,  22,  40,  42,  44,  46,
    01273              48,  52,  54,  66,  68,  70,  72,  74,  76,  78,  80,  82,  84,  86, 120, 122,
    01274             124, 126, 128, 130, 132, 134, 136, 138, 140
    01275           };
    01276           if (v->spritenum / 2 >= lengthof(spriteset_rail)) return false;
    01277           v->spritenum = spriteset_rail[v->spritenum / 2]; // adjust railway sprite set offset
    01278           Train::From(v)->railtype = type == 0x25 ? 1 : 0; // monorail / rail
    01279           break;
    01280         }
    01281
    01282         case VEH_ROAD:
    01283           if (v->spritenum >= 22) v->spritenum += 12;
    01284           break;
    01285
    01286         case VEH_SHIP:
    01287           v->spritenum += 2;
    01288
    01289           switch (v->spritenum) {
    01290             case 2: // oil tanker && cargo type != oil
    01291               if (v->cargo_type != CT_OIL) v->spritenum = 0; // make it a coal/goods ship
    01292               break;
    01293             case 4: // passenger ship && cargo type == mail
    01294               if (v->cargo_type == CT_MAIL) v->spritenum = 0; // make it a mail ship
    01295               break;
    01296             default:
    01297               break;
    01298           }
    01299           break;
    01300
    01301         default:
    01302           break;
    01303       }
    01304
    01305       switch (_old_string_id) {
    01306         case 0x0000: break; // empty (invalid vehicles)
    01307         case 0x0006: _old_string_id  = STR_SV_EMPTY;              break; // empty (special vehicles)
    01308         case 0x8495: _old_string_id  = STR_SV_TRAIN_NAME;         break; // "Train X"
    01309         case 0x8842: _old_string_id  = STR_SV_ROAD_VEHICLE_NAME;  break; // "Road Vehicle X"
    01310         case 0x8C3B: _old_string_id  = STR_SV_SHIP_NAME;          break; // "Ship X"
    01311         case 0x9047: _old_string_id  = STR_SV_AIRCRAFT_NAME;      break; // "Aircraft X"
    01312         default:     _old_string_id += 0x2A00;                    break; // custom name
    01313       }
    01314
    01315       _old_vehicle_names[_current_vehicle_id] = _old_string_id;
    01316     } else {
    01317       /* Read the vehicle type and allocate the right vehicle */
    01318       switch (ReadByte(ls)) {
    01319         default: SlErrorCorrupt("Invalid vehicle type");
    01320         case 0x00 /* VEH_INVALID */: v = NULL;                                        break;
    01321         case 0x10 /* VEH_TRAIN   */: v = new (_current_vehicle_id) Train();           break;
    01322         case 0x11 /* VEH_ROAD    */: v = new (_current_vehicle_id) RoadVehicle();     break;
    01323         case 0x12 /* VEH_SHIP    */: v = new (_current_vehicle_id) Ship();            break;
    01324         case 0x13 /* VEH_AIRCRAFT*/: v = new (_current_vehicle_id) Aircraft();        break;
    01325         case 0x14 /* VEH_EFFECT  */: v = new (_current_vehicle_id) EffectVehicle();   break;
    01326         case 0x15 /* VEH_DISASTER*/: v = new (_current_vehicle_id) DisasterVehicle(); break;
    01327       }
    01328
    01329       if (!LoadChunk(ls, v, vehicle_chunk)) return false;
    01330       if (v == NULL) continue;
    01331
    01332       _old_vehicle_names[_current_vehicle_id] = RemapOldStringID(_old_string_id);
    01333
    01334       /* This should be consistent, else we have a big problem... */
    01335       if (v->index != _current_vehicle_id) {
    01336         DEBUG(oldloader, 0, "Loading failed - vehicle-array is invalid");
    01337         return false;
    01338       }
    01339     }
    01340
    01341     if (_old_order_ptr != 0 && _old_order_ptr != 0xFFFFFFFF) {
    01342       uint max = _savegame_type == SGT_TTO ? 3000 : 5000;
    01343       uint old_id = RemapOrderIndex(_old_order_ptr);
    01344       if (old_id < max) v->orders.old = Order::Get(old_id); // don't accept orders > max number of orders
    01345     }
    01346     v->current_order.AssignOrder(UnpackOldOrder(_old_order));
    01347
    01348     v->next = (Vehicle *)(size_t)_old_next_ptr;
    01349
    01350     if (_cargo_count != 0 && CargoPacket::CanAllocateItem()) {
    01351       StationID source =    (_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
    01352       TileIndex source_xy = (source != INVALID_STATION) ? Station::Get(source)->xy : 0;
    01353       v->cargo.Append(new CargoPacket(_cargo_count, _cargo_days, source, source_xy, source_xy));
    01354     }
    01355   }
    01356
    01357   return true;
    01358 }
    01359
    01360 static const OldChunks sign_chunk[] = {
    01361   OCL_VAR ( OC_UINT16, 1, &_old_string_id ),
    01362   OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Sign, x ),
    01363   OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Sign, y ),
    01364   OCL_SVAR( OC_FILE_U16 | OC_VAR_I8, Sign, z ),
    01365
    01366   OCL_NULL( 6 ),
    01367
    01368   OCL_END()
    01369 };
    01370
    01371 static bool LoadOldSign(LoadgameState *ls, int num)
    01372 {
    01373   Sign *si = new (num) Sign();
    01374   if (!LoadChunk(ls, si, sign_chunk)) return false;
    01375
    01376   if (_old_string_id != 0) {
    01377     if (_savegame_type == SGT_TTO) {
    01378       if (_old_string_id != 0x140A) si->name = CopyFromOldName(_old_string_id + 0x2A00);
    01379     } else {
    01380       si->name = CopyFromOldName(RemapOldStringID(_old_string_id));
    01381     }
    01382     si->owner = OWNER_NONE;
    01383   } else {
    01384     delete si;
    01385   }
    01386
    01387   return true;
    01388 }
    01389
    01390 static const OldChunks engine_chunk[] = {
    01391   OCL_SVAR( OC_UINT16, Engine, company_avail ),
    01392   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Engine, intro_date ),
    01393   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Engine, age ),
    01394   OCL_SVAR( OC_UINT16, Engine, reliability ),
    01395   OCL_SVAR( OC_UINT16, Engine, reliability_spd_dec ),
    01396   OCL_SVAR( OC_UINT16, Engine, reliability_start ),
    01397   OCL_SVAR( OC_UINT16, Engine, reliability_max ),
    01398   OCL_SVAR( OC_UINT16, Engine, reliability_final ),
    01399   OCL_SVAR( OC_UINT16, Engine, duration_phase_1 ),
    01400   OCL_SVAR( OC_UINT16, Engine, duration_phase_2 ),
    01401   OCL_SVAR( OC_UINT16, Engine, duration_phase_3 ),
    01402
    01403   OCL_NULL( 1 ), // lifelength
    01404   OCL_SVAR(  OC_UINT8, Engine, flags ),
    01405   OCL_SVAR(  OC_UINT8, Engine, preview_company_rank ),
    01406   OCL_SVAR(  OC_UINT8, Engine, preview_wait ),
    01407
    01408   OCL_CNULL( OC_TTD, 2 ),
    01409
    01410   OCL_END()
    01411 };
    01412
    01413 static bool LoadOldEngine(LoadgameState *ls, int num)
    01414 {
    01415   Engine *e = _savegame_type == SGT_TTO ? &_old_engines[num] : GetTempDataEngine(num);
    01416   return LoadChunk(ls, e, engine_chunk);
    01417 }
    01418
    01419 static bool LoadOldEngineName(LoadgameState *ls, int num)
    01420 {
    01421   Engine *e = GetTempDataEngine(num);
    01422   e->name = CopyFromOldName(RemapOldStringID(ReadUint16(ls)));
    01423   return true;
    01424 }
    01425
    01426 static const OldChunks subsidy_chunk[] = {
    01427   OCL_SVAR(  OC_UINT8, Subsidy, cargo_type ),
    01428   OCL_SVAR(  OC_UINT8, Subsidy, remaining ),
    01429   OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Subsidy, src ),
    01430   OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Subsidy, dst ),
    01431
    01432   OCL_END()
    01433 };
    01434
    01435 static bool LoadOldSubsidy(LoadgameState *ls, int num)
    01436 {
    01437   Subsidy *s = new (num) Subsidy();
    01438   bool ret = LoadChunk(ls, s, subsidy_chunk);
    01439   if (s->cargo_type == CT_INVALID) delete s;
    01440   return ret;
    01441 }
    01442
    01443 static const OldChunks game_difficulty_chunk[] = {
    01444   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, max_no_competitors ),
    01445   OCL_NULL( 2), // competitor_start_time
    01446   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, number_towns ),
    01447   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, industry_density ),
    01448   OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, DifficultySettings, max_loan ),
    01449   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, initial_interest ),
    01450   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, vehicle_costs ),
    01451   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, competitor_speed ),
    01452   OCL_NULL( 2), // competitor_intelligence
    01453   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, vehicle_breakdowns ),
    01454   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, subsidy_multiplier ),
    01455   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, construction_cost ),
    01456   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, terrain_type ),
    01457   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, quantity_sea_lakes ),
    01458   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, economy ),
    01459   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, line_reverse_mode ),
    01460   OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, disasters ),
    01461   OCL_END()
    01462 };
    01463
    01464 static bool LoadOldGameDifficulty(LoadgameState *ls, int num)
    01465 {
    01466   bool ret = LoadChunk(ls, &_settings_game.difficulty, game_difficulty_chunk);
    01467   _settings_game.difficulty.max_loan *= 1000;
    01468   return ret;
    01469 }
    01470
    01471
    01472 static bool LoadOldMapPart1(LoadgameState *ls, int num)
    01473 {
    01474   if (_savegame_type == SGT_TTO) {
    01475     MemSetT(_m, 0, OLD_MAP_SIZE);
    01476     MemSetT(_me, 0, OLD_MAP_SIZE);
    01477   }
    01478
    01479   for (uint i = 0; i < OLD_MAP_SIZE; i++) {
    01480     _m[i].m1 = ReadByte(ls);
    01481   }
    01482   for (uint i = 0; i < OLD_MAP_SIZE; i++) {
    01483     _m[i].m2 = ReadByte(ls);
    01484   }
    01485
    01486   if (_savegame_type != SGT_TTO) {
    01487     for (uint i = 0; i < OLD_MAP_SIZE; i++) {
    01488       _old_map3[i * 2] = ReadByte(ls);
    01489       _old_map3[i * 2 + 1] = ReadByte(ls);
    01490     }
    01491     for (uint i = 0; i < OLD_MAP_SIZE / 4; i++) {
    01492       byte b = ReadByte(ls);
    01493       _m[i * 4 + 0].m6 = GB(b, 0, 2);
    01494       _m[i * 4 + 1].m6 = GB(b, 2, 2);
    01495       _m[i * 4 + 2].m6 = GB(b, 4, 2);
    01496       _m[i * 4 + 3].m6 = GB(b, 6, 2);
    01497     }
    01498   }
    01499
    01500   return true;
    01501 }
    01502
    01503 static bool LoadOldMapPart2(LoadgameState *ls, int num)
    01504 {
    01505   uint i;
    01506
    01507   for (i = 0; i < OLD_MAP_SIZE; i++) {
    01508     _m[i].type_height = ReadByte(ls);
    01509   }
    01510   for (i = 0; i < OLD_MAP_SIZE; i++) {
    01511     _m[i].m5 = ReadByte(ls);
    01512   }
    01513
    01514   return true;
    01515 }
    01516
    01517 static bool LoadTTDPatchExtraChunks(LoadgameState *ls, int num)
    01518 {
    01519   ReadTTDPatchFlags();
    01520
    01521   DEBUG(oldloader, 2, "Found %d extra chunk(s)", _old_extra_chunk_nums);
    01522
    01523   for (int i = 0; i != _old_extra_chunk_nums; i++) {
    01524     uint16 id = ReadUint16(ls);
    01525     uint32 len = ReadUint32(ls);
    01526
    01527     switch (id) {
    01528       /* List of GRFIDs, used in the savegame. 0x8004 is the new ID
    01529        * They are saved in a 'GRFID:4 active:1' format, 5 bytes for each entry */
    01530       case 0x2:
    01531       case 0x8004: {
    01532         /* Skip the first element: TTDP hack for the Action D special variables (FFFF0000 01) */
    01533         ReadUint32(ls); ReadByte(ls); len -= 5;
    01534
    01535         ClearGRFConfigList(&_grfconfig);
    01536         while (len != 0) {
    01537           uint32 grfid = ReadUint32(ls);
    01538
    01539           if (ReadByte(ls) == 1) {
    01540             GRFConfig *c = new GRFConfig("TTDP game, no information");
    01541             c->ident.grfid = grfid;
    01542
    01543             AppendToGRFConfigList(&_grfconfig, c);
    01544             DEBUG(oldloader, 3, "TTDPatch game using GRF file with GRFID %0X", BSWAP32(c->ident.grfid));
    01545           }
    01546           len -= 5;
    01547         }
    01548
    01549         /* Append static NewGRF configuration */
    01550         AppendStaticGRFConfigs(&_grfconfig);
    01551         break;
    01552       }
    01553
    01554       /* TTDPatch version and configuration */
    01555       case 0x3:
    01556         _ttdp_version = ReadUint32(ls);
    01557         DEBUG(oldloader, 3, "Game saved with TTDPatch version %d.%d.%d r%d",
    01558           GB(_ttdp_version, 24, 8), GB(_ttdp_version, 20, 4), GB(_ttdp_version, 16, 4), GB(_ttdp_version, 0, 16));
    01559         len -= 4;
    01560         while (len-- != 0) ReadByte(ls); // skip the configuration
    01561         break;
    01562
    01563       default:
    01564         DEBUG(oldloader, 4, "Skipping unknown extra chunk %X", id);
    01565         while (len-- != 0) ReadByte(ls);
    01566         break;
    01567     }
    01568   }
    01569
    01570   return true;
    01571 }
    01572
    01573 extern TileIndex _cur_tileloop_tile;
    01574 extern uint16 _disaster_delay;
    01575 extern byte _trees_tick_ctr;
    01576 static const OldChunks main_chunk[] = {
    01577   OCL_ASSERT( OC_TTD, 0 ),
    01578   OCL_ASSERT( OC_TTO, 0 ),
    01579   OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &_date ),
    01580   OCL_VAR ( OC_UINT16,   1, &_date_fract ),
    01581   OCL_NULL( 600 ),
    01582   OCL_VAR ( OC_UINT32,   2, &_random.state ),
    01583
    01584   OCL_ASSERT( OC_TTD, 0x264 ),
    01585   OCL_ASSERT( OC_TTO, 0x264 ),
    01586
    01587   OCL_CCHUNK( OC_TTD, 70, LoadOldTown ),
    01588   OCL_CCHUNK( OC_TTO, 80, LoadOldTown ),
    01589
    01590   OCL_ASSERT( OC_TTD, 0x1C18 ),
    01591   OCL_ASSERT( OC_TTO, 0x1AC4 ),
    01592
    01593   OCL_CCHUNK( OC_TTD, 5000, LoadOldOrder ),
    01594   OCL_CCHUNK( OC_TTO, 3000, LoadOldOrder ),
    01595
    01596   OCL_ASSERT( OC_TTD, 0x4328 ),
    01597   OCL_ASSERT( OC_TTO, 0x3234 ),
    01598
    01599   OCL_CHUNK( 1, LoadOldAnimTileList ),
    01600   OCL_NULL( 4 ),
    01601
    01602   OCL_ASSERT( OC_TTO, 0x3438 ),
    01603
    01604   OCL_CCHUNK( OC_TTD, 255, LoadOldDepot ),
    01605   OCL_CCHUNK( OC_TTO, 252, LoadOldDepot ),
    01606
    01607   OCL_ASSERT( OC_TTD, 0x4B26 ),
    01608   OCL_ASSERT( OC_TTO, 0x3A20 ),
    01609
    01610   OCL_NULL( 4 ),
    01611   OCL_NULL( 2 ),
    01612   OCL_NULL( 2 ),
    01613
    01614   OCL_VAR ( OC_FILE_U16 | OC_VAR_U8, 1, &_age_cargo_skip_counter ),
    01615   OCL_VAR ( OC_UINT16,   1, &_tick_counter ),
    01616   OCL_VAR (   OC_TILE,   1, &_cur_tileloop_tile ),
    01617
    01618   OCL_ASSERT( OC_TTO, 0x3A2E ),
    01619
    01620   OCL_CNULL( OC_TTO, 48 * 6 ),
    01621   OCL_CNULL( OC_TTD, 49 * 6 ),
    01622
    01623   OCL_ASSERT( OC_TTO, 0x3B4E ),
    01624
    01625   OCL_CNULL( OC_TTO, 11 * 8 ),
    01626   OCL_CNULL( OC_TTD, 12 * 8 ),
    01627
    01628   OCL_ASSERT( OC_TTD, 0x4CBA ),
    01629   OCL_ASSERT( OC_TTO, 0x3BA6 ),
    01630
    01631   OCL_CHUNK( 1, LoadOldMapPart1 ),
    01632
    01633   OCL_ASSERT( OC_TTD, 0x48CBA ),
    01634   OCL_ASSERT( OC_TTO, 0x23BA6 ),
    01635
    01636   OCL_CCHUNK( OC_TTD, 250, LoadOldStation ),
    01637   OCL_CCHUNK( OC_TTO, 200, LoadOldStation ),
    01638
    01639   OCL_ASSERT( OC_TTO, 0x29E16 ),
    01640
    01641   OCL_CCHUNK( OC_TTD, 90, LoadOldIndustry ),
    01642   OCL_CCHUNK( OC_TTO, 100, LoadOldIndustry ),
    01643
    01644   OCL_ASSERT( OC_TTO, 0x2ADB6 ),
    01645
    01646   OCL_CHUNK(  8, LoadOldCompany ),
    01647
    01648   OCL_ASSERT( OC_TTD, 0x547F2 ),
    01649   OCL_ASSERT( OC_TTO, 0x2C746 ),
    01650
    01651   OCL_CCHUNK( OC_TTD, 850, LoadOldVehicle ),
    01652   OCL_CCHUNK( OC_TTO, 800, LoadOldVehicle ),
    01653
    01654   OCL_ASSERT( OC_TTD, 0x6F0F2 ),
    01655   OCL_ASSERT( OC_TTO, 0x45746 ),
    01656
    01657   OCL_VAR ( OC_TTD | OC_UINT8 | OC_DEREFERENCE_POINTER, 32 * 500, &_old_name_array ),
    01658   OCL_VAR ( OC_TTO | OC_UINT8 | OC_DEREFERENCE_POINTER, 24 * 200, &_old_name_array ),
    01659
    01660   OCL_ASSERT( OC_TTO, 0x46A06 ),
    01661
    01662   OCL_NULL( 0x2000 ),
    01663
    01664   OCL_CHUNK( 40, LoadOldSign ),
    01665
    01666   OCL_ASSERT( OC_TTO, 0x48C36 ),
    01667
    01668   OCL_CCHUNK( OC_TTD, 256, LoadOldEngine ),
    01669   OCL_CCHUNK( OC_TTO, 103, LoadOldEngine ),
    01670
    01671   OCL_ASSERT( OC_TTO, 0x496AC ),
    01672
    01673   OCL_NULL ( 2 ), // _vehicle_id_ctr_day
    01674
    01675   OCL_CHUNK(  8, LoadOldSubsidy ),
    01676
    01677   OCL_ASSERT( OC_TTO, 0x496CE ),
    01678
    01679   OCL_VAR ( OC_FILE_U16 | OC_VAR_U32,   1, &_next_competitor_start ),
    01680
    01681   OCL_CNULL( OC_TTO, 2 ),
    01682
    01683   OCL_VAR ( OC_FILE_I16 | OC_VAR_I32,   1, &_saved_scrollpos_x ),
    01684   OCL_VAR ( OC_FILE_I16 | OC_VAR_I32,   1, &_saved_scrollpos_y ),
    01685   OCL_VAR ( OC_FILE_U16 | OC_VAR_U8,    1, &_saved_scrollpos_zoom ),
    01686
    01687   OCL_NULL( 4 ),
    01688   OCL_VAR ( OC_FILE_U32 | OC_VAR_I64,   1, &_economy.old_max_loan_unround ),
    01689   OCL_VAR (  OC_INT16,    1, &_economy.fluct ),
    01690
    01691   OCL_VAR ( OC_UINT16,    1, &_disaster_delay ),
    01692
    01693   OCL_ASSERT( OC_TTO, 0x496E4 ),
    01694
    01695   OCL_CNULL( OC_TTD, 144 ),
    01696
    01697   OCL_CCHUNK( OC_TTD, 256, LoadOldEngineName ),
    01698
    01699   OCL_CNULL( OC_TTD, 144 ),
    01700   OCL_NULL( 2 ),
    01701   OCL_NULL( 1 ),
    01702
    01703   OCL_VAR (  OC_UINT8,    1, &_settings_game.locale.currency ),
    01704   OCL_VAR (  OC_UINT8,    1, &_settings_game.locale.units ),
    01705   OCL_VAR ( OC_FILE_U8 | OC_VAR_U32,    1, &_cur_company_tick_index ),
    01706
    01707   OCL_NULL( 2 ),
    01708   OCL_NULL( 8 ),
    01709
    01710   OCL_VAR (  OC_UINT8,    1, &_economy.infl_amount ),
    01711   OCL_VAR (  OC_UINT8,    1, &_economy.infl_amount_pr ),
    01712   OCL_VAR (  OC_UINT8,    1, &_economy.interest_rate ),
    01713   OCL_NULL( 1 ), // available airports
    01714   OCL_VAR (  OC_UINT8,    1, &_settings_game.vehicle.road_side ),
    01715   OCL_VAR (  OC_UINT8,    1, &_settings_game.game_creation.town_name ),
    01716
    01717   OCL_CHUNK( 1, LoadOldGameDifficulty ),
    01718
    01719   OCL_ASSERT( OC_TTD, 0x77130 ),
    01720
    01721   OCL_VAR (  OC_UINT8,    1, &_settings_game.difficulty.diff_level ),
    01722
    01723   OCL_VAR ( OC_TTD | OC_UINT8,    1, &_settings_game.game_creation.landscape ),
    01724   OCL_VAR ( OC_TTD | OC_UINT8,    1, &_trees_tick_ctr ),
    01725
    01726   OCL_CNULL( OC_TTD, 1 ),
    01727   OCL_VAR ( OC_TTD | OC_UINT8,    1, &_settings_game.game_creation.snow_line ),
    01728
    01729   OCL_CNULL( OC_TTD, 32 ),
    01730   OCL_CNULL( OC_TTD, 36 ),
    01731
    01732   OCL_ASSERT( OC_TTD, 0x77179 ),
    01733   OCL_ASSERT( OC_TTO, 0x4971D ),
    01734
    01735   OCL_CHUNK( 1, LoadOldMapPart2 ),
    01736
    01737   OCL_ASSERT( OC_TTD, 0x97179 ),
    01738   OCL_ASSERT( OC_TTO, 0x6971D ),
    01739
    01740   /* Below any (if available) extra chunks from TTDPatch can follow */
    01741   OCL_CHUNK(1, LoadTTDPatchExtraChunks),
    01742
    01743   OCL_END()
    01744 };
    01745
    01746 bool LoadTTDMain(LoadgameState *ls)
    01747 {
    01748   DEBUG(oldloader, 3, "Reading main chunk...");
    01749
    01750   _read_ttdpatch_flags = false;
    01751
    01752   /* Load the biggest chunk */
    01753   SmallStackSafeStackAlloc<byte, OLD_MAP_SIZE * 2> map3;
    01754   _old_map3 = map3.data;
    01755   _old_vehicle_names = NULL;
    01756   try {
    01757     if (!LoadChunk(ls, NULL, main_chunk)) {
    01758       DEBUG(oldloader, 0, "Loading failed");
    01759       free(_old_vehicle_names);
    01760       return false;
    01761     }
    01762   } catch (...) {
    01763     free(_old_vehicle_names);
    01764     throw;
    01765   }
    01766
    01767   DEBUG(oldloader, 3, "Done, converting game data...");
    01768
    01769   FixTTDMapArray();
    01770   FixTTDDepots();
    01771
    01772   /* Fix some general stuff */
    01773   _settings_game.game_creation.landscape = _settings_game.game_creation.landscape & 0xF;
    01774
    01775   /* Fix the game to be compatible with OpenTTD */
    01776   FixOldTowns();
    01777   FixOldVehicles();
    01778
    01779   /* We have a new difficulty setting */
    01780   _settings_game.difficulty.town_council_tolerance = Clamp(_settings_game.difficulty.diff_level, 0, 2);
    01781
    01782   DEBUG(oldloader, 3, "Finished converting game data");
    01783   DEBUG(oldloader, 1, "TTD(Patch) savegame successfully converted");
    01784
    01785   free(_old_vehicle_names);
    01786
    01787   return true;
    01788 }
    01789
    01790 bool LoadTTOMain(LoadgameState *ls)
    01791 {
    01792   DEBUG(oldloader, 3, "Reading main chunk...");
    01793
    01794   _read_ttdpatch_flags = false;
    01795
    01796   SmallStackSafeStackAlloc<byte, 103 * sizeof(Engine)> engines; // we don't want to call Engine constructor here
    01797   _old_engines = (Engine *)engines.data;
    01798   SmallStackSafeStackAlloc<StringID, 800> vehnames;
    01799   _old_vehicle_names = vehnames.data;
    01800
    01801   /* Load the biggest chunk */
    01802   if (!LoadChunk(ls, NULL, main_chunk)) {
    01803     DEBUG(oldloader, 0, "Loading failed");
    01804     return false;
    01805   }
    01806   DEBUG(oldloader, 3, "Done, converting game data...");
    01807
    01808   if (_settings_game.game_creation.town_name != 0) _settings_game.game_creation.town_name++;
    01809
    01810   _settings_game.game_creation.landscape = 0;
    01811   _trees_tick_ctr = 0xFF;
    01812
    01813   if (!FixTTOMapArray() || !FixTTOEngines()) {
    01814     DEBUG(oldloader, 0, "Conversion failed");
    01815     return false;
    01816   }
    01817
    01818   FixOldTowns();
    01819   FixOldVehicles();
    01820   FixTTOCompanies();
    01821
    01822   /* We have a new difficulty setting */
    01823   _settings_game.difficulty.town_council_tolerance = Clamp(_settings_game.difficulty.diff_level, 0, 2);
    01824
    01825   /* SVXConverter about cargo payment rates correction:
    01826    * "increase them to compensate for the faster time advance in TTD compared to TTO
    01827    * which otherwise would cause much less income while the annual running costs of
    01828    * the vehicles stay the same" */
    01829   _economy.inflation_payment = min(_economy.inflation_payment * 124 / 74, MAX_INFLATION);
    01830
    01831   DEBUG(oldloader, 3, "Finished converting game data");
    01832   DEBUG(oldloader, 1, "TTO savegame successfully converted");
    01833
    01834   return true;
    01835 }