Files
@ r10092:36ce5ba21174
Branch filter:
Location: cpp/openttd-patchpack/source/src/engine.cpp
r10092:36ce5ba21174
22.3 KiB
text/x-c
(svn r14273) -Change: make findversion.sh aware of release tags and make it output the REV without the branch name so the CF can use that.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 | /* $Id$ */
/** @file engine.cpp Base for all engine handling. */
#include "stdafx.h"
#include "openttd.h"
#include "debug.h"
#include "player_base.h"
#include "player_func.h"
#include "command_func.h"
#include "news_func.h"
#include "saveload.h"
#include "variables.h"
#include "train.h"
#include "aircraft.h"
#include "newgrf_cargo.h"
#include "newgrf_engine.h"
#include "group.h"
#include "strings_func.h"
#include "gfx_func.h"
#include "functions.h"
#include "window_func.h"
#include "date_func.h"
#include "autoreplace_base.h"
#include "autoreplace_gui.h"
#include "string_func.h"
#include "settings_type.h"
#include "oldpool_func.h"
#include "core/alloc_func.hpp"
#include "vehicle_func.h"
#include <map>
#include "table/strings.h"
#include "table/engines.h"
DEFINE_OLD_POOL_GENERIC(Engine, Engine)
enum {
YEAR_ENGINE_AGING_STOPS = 2050,
};
/** Number of engines of each vehicle type in original engine data */
const uint8 _engine_counts[4] = {
lengthof(_orig_rail_vehicle_info),
lengthof(_orig_road_vehicle_info),
lengthof(_orig_ship_vehicle_info),
lengthof(_orig_aircraft_vehicle_info),
};
/** Offset of the first engine of each vehicle type in original engine data */
const uint8 _engine_offsets[4] = {
0,
lengthof(_orig_rail_vehicle_info),
lengthof(_orig_rail_vehicle_info) + lengthof(_orig_road_vehicle_info),
lengthof(_orig_rail_vehicle_info) + lengthof(_orig_road_vehicle_info) + lengthof(_orig_ship_vehicle_info),
};
Engine::Engine() :
name(NULL),
overrides_count(0),
overrides(NULL)
{
}
Engine::Engine(VehicleType type, EngineID base)
{
this->type = type;
this->internal_id = base;
this->list_position = base;
/* Check if this base engine is within the original engine data range */
if (base >= _engine_counts[type]) {
/* Mark engine as valid anyway */
this->info.climates = 0x80;
return;
}
/* Copy the original engine info for this slot */
this->info = _orig_engine_info[_engine_offsets[type] + base];
/* Copy the original engine data for this slot */
switch (type) {
default: NOT_REACHED();
case VEH_TRAIN:
this->u.rail = _orig_rail_vehicle_info[base];
this->image_index = this->u.rail.image_index;
this->info.string_id = STR_8000_KIRBY_PAUL_TANK_STEAM + base;
break;
case VEH_ROAD:
this->u.road = _orig_road_vehicle_info[base];
this->image_index = this->u.road.image_index;
this->info.string_id = STR_8074_MPS_REGAL_BUS + base;
break;
case VEH_SHIP:
this->u.ship = _orig_ship_vehicle_info[base];
this->image_index = this->u.ship.image_index;
this->info.string_id = STR_80CC_MPS_OIL_TANKER + base;
break;
case VEH_AIRCRAFT:
this->u.air = _orig_aircraft_vehicle_info[base];
this->image_index = this->u.air.image_index;
this->info.string_id = STR_80D7_SAMPSON_U52 + base;
break;
}
}
Engine::~Engine()
{
UnloadWagonOverrides(this);
free(this->name);
}
/** Sets cached values in Player::num_vehicles and Group::num_vehicles
*/
void SetCachedEngineCounts()
{
uint engines = GetEnginePoolSize();
/* Set up the engine count for all players */
Player *p;
FOR_ALL_PLAYERS(p) {
free(p->num_engines);
p->num_engines = CallocT<EngineID>(engines);
}
/* Recalculate */
Group *g;
FOR_ALL_GROUPS(g) {
free(g->num_engines);
g->num_engines = CallocT<EngineID>(engines);
}
const Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (!IsEngineCountable(v)) continue;
assert(v->engine_type < engines);
GetPlayer(v->owner)->num_engines[v->engine_type]++;
if (v->group_id == DEFAULT_GROUP) continue;
g = GetGroup(v->group_id);
assert(v->type == g->vehicle_type);
assert(v->owner == g->owner);
g->num_engines[v->engine_type]++;
}
}
void SetupEngines()
{
_Engine_pool.CleanPool();
_Engine_pool.AddBlockToPool();
for (uint i = 0; i < lengthof(_orig_rail_vehicle_info); i++) new Engine(VEH_TRAIN, i);
for (uint i = 0; i < lengthof(_orig_road_vehicle_info); i++) new Engine(VEH_ROAD, i);
for (uint i = 0; i < lengthof(_orig_ship_vehicle_info); i++) new Engine(VEH_SHIP, i);
for (uint i = 0; i < lengthof(_orig_aircraft_vehicle_info); i++) new Engine(VEH_AIRCRAFT, i);
}
void ShowEnginePreviewWindow(EngineID engine);
void DeleteCustomEngineNames()
{
Engine *e;
FOR_ALL_ENGINES(e) {
free(e->name);
e->name = NULL;
}
_vehicle_design_names &= ~1;
}
void LoadCustomEngineNames()
{
/* XXX: not done */
DEBUG(misc, 1, "LoadCustomEngineNames: not done");
}
/* Determine if an engine type is a wagon (and not a loco) */
static bool IsWagon(EngineID index)
{
const Engine *e = GetEngine(index);
return e->type == VEH_TRAIN && e->u.rail.railveh_type == RAILVEH_WAGON;
}
static void CalcEngineReliability(Engine *e)
{
uint age = e->age;
/* Check for early retirement */
if (e->player_avail != 0 && !_settings_game.vehicle.never_expire_vehicles) {
int retire_early = e->info.retire_early;
uint retire_early_max_age = max(0, e->duration_phase_1 + e->duration_phase_2 - retire_early * 12);
if (retire_early != 0 && age >= retire_early_max_age) {
/* Early retirement is enabled and we're past the date... */
e->player_avail = 0;
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
}
if (age < e->duration_phase_1) {
uint start = e->reliability_start;
e->reliability = age * (e->reliability_max - start) / e->duration_phase_1 + start;
} else if ((age -= e->duration_phase_1) < e->duration_phase_2 || _settings_game.vehicle.never_expire_vehicles) {
/* We are at the peak of this engines life. It will have max reliability.
* This is also true if the engines never expire. They will not go bad over time */
e->reliability = e->reliability_max;
} else if ((age -= e->duration_phase_2) < e->duration_phase_3) {
uint max = e->reliability_max;
e->reliability = (int)age * (int)(e->reliability_final - max) / e->duration_phase_3 + max;
} else {
/* time's up for this engine.
* We will now completely retire this design */
e->player_avail = 0;
e->reliability = e->reliability_final;
/* Kick this engine out of the lists */
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
InvalidateWindowClasses(WC_BUILD_VEHICLE); // Update to show the new reliability
InvalidateWindowClasses(WC_REPLACE_VEHICLE);
}
void StartupEngines()
{
Engine *e;
/* Aging of vehicles stops, so account for that when starting late */
const Date aging_date = min(_date, ConvertYMDToDate(YEAR_ENGINE_AGING_STOPS, 0, 1));
FOR_ALL_ENGINES(e) {
const EngineInfo *ei = &e->info;
uint32 r;
e->age = 0;
e->flags = 0;
e->player_avail = 0;
/* The magic value of 729 days below comes from the NewGRF spec. If the
* base intro date is before 1922 then the random number of days is not
* added. */
r = Random();
e->intro_date = ei->base_intro <= ConvertYMDToDate(1922, 0, 1) ? ei->base_intro : (Date)GB(r, 0, 9) + ei->base_intro;
if (e->intro_date <= _date) {
e->age = (aging_date - e->intro_date) >> 5;
e->player_avail = (byte)-1;
e->flags |= ENGINE_AVAILABLE;
}
e->reliability_start = GB(r, 16, 14) + 0x7AE0;
r = Random();
e->reliability_max = GB(r, 0, 14) + 0xBFFF;
e->reliability_final = GB(r, 16, 14) + 0x3FFF;
r = Random();
e->duration_phase_1 = GB(r, 0, 5) + 7;
e->duration_phase_2 = GB(r, 5, 4) + ei->base_life * 12 - 96;
e->duration_phase_3 = GB(r, 9, 7) + 120;
e->reliability_spd_dec = ei->decay_speed << 2;
if (IsWagon(e->index)) {
e->age = 0xFFFF;
} else {
CalcEngineReliability(e);
}
e->lifelength = ei->lifelength + _settings_game.vehicle.extend_vehicle_life;
/* prevent certain engines from ever appearing. */
if (!HasBit(ei->climates, _settings_game.game_creation.landscape)) {
e->flags |= ENGINE_AVAILABLE;
e->player_avail = 0;
}
}
/* Update the bitmasks for the vehicle lists */
Player *p;
FOR_ALL_PLAYERS(p) {
p->avail_railtypes = GetPlayerRailtypes(p->index);
p->avail_roadtypes = GetPlayerRoadtypes(p->index);
}
}
static void AcceptEnginePreview(EngineID eid, PlayerID player)
{
Engine *e = GetEngine(eid);
Player *p = GetPlayer(player);
SetBit(e->player_avail, player);
if (e->type == VEH_TRAIN) {
const RailVehicleInfo *rvi = RailVehInfo(eid);
assert(rvi->railtype < RAILTYPE_END);
SetBit(p->avail_railtypes, rvi->railtype);
} else if (e->type == VEH_ROAD) {
SetBit(p->avail_roadtypes, HasBit(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
}
e->preview_player_rank = 0xFF;
if (player == _local_player) {
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
}
static PlayerID GetBestPlayer(uint8 pp)
{
const Player *p;
int32 best_hist;
PlayerID best_player;
uint mask = 0;
do {
best_hist = -1;
best_player = PLAYER_SPECTATOR;
FOR_ALL_PLAYERS(p) {
if (p->block_preview == 0 && !HasBit(mask, p->index) &&
p->old_economy[0].performance_history > best_hist) {
best_hist = p->old_economy[0].performance_history;
best_player = p->index;
}
}
if (best_player == PLAYER_SPECTATOR) return PLAYER_SPECTATOR;
SetBit(mask, best_player);
} while (--pp != 0);
return best_player;
}
void EnginesDailyLoop()
{
if (_cur_year >= YEAR_ENGINE_AGING_STOPS) return;
Engine *e;
FOR_ALL_ENGINES(e) {
EngineID i = e->index;
if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) {
if (e->flags & ENGINE_OFFER_WINDOW_OPEN) {
if (e->preview_player_rank != 0xFF && !--e->preview_wait) {
e->flags &= ~ENGINE_OFFER_WINDOW_OPEN;
DeleteWindowById(WC_ENGINE_PREVIEW, i);
e->preview_player_rank++;
}
} else if (e->preview_player_rank != 0xFF) {
PlayerID best_player = GetBestPlayer(e->preview_player_rank);
if (best_player == PLAYER_SPECTATOR) {
e->preview_player_rank = 0xFF;
continue;
}
if (!IsHumanPlayer(best_player)) {
/* XXX - TTDBUG: TTD has a bug here ???? */
AcceptEnginePreview(i, best_player);
} else {
e->flags |= ENGINE_OFFER_WINDOW_OPEN;
e->preview_wait = 20;
if (IsInteractivePlayer(best_player)) ShowEnginePreviewWindow(i);
}
}
}
}
}
/** Accept an engine prototype. XXX - it is possible that the top-player
* changes while you are waiting to accept the offer? Then it becomes invalid
* @param tile unused
* @param flags operation to perfom
* @param p1 engine-prototype offered
* @param p2 unused
*/
CommandCost CmdWantEnginePreview(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
Engine *e;
if (!IsEngineIndex(p1)) return CMD_ERROR;
e = GetEngine(p1);
if (GetBestPlayer(e->preview_player_rank) != _current_player) return CMD_ERROR;
if (flags & DC_EXEC) AcceptEnginePreview(p1, _current_player);
return CommandCost();
}
StringID GetEngineCategoryName(EngineID engine);
static void NewVehicleAvailable(Engine *e)
{
Vehicle *v;
Player *p;
EngineID index = e->index;
/* In case the player didn't build the vehicle during the intro period,
* prevent that player from getting future intro periods for a while. */
if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) {
FOR_ALL_PLAYERS(p) {
uint block_preview = p->block_preview;
if (!HasBit(e->player_avail, p->index)) continue;
/* We assume the user did NOT build it.. prove me wrong ;) */
p->block_preview = 20;
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_TRAIN || v->type == VEH_ROAD || v->type == VEH_SHIP ||
(v->type == VEH_AIRCRAFT && IsNormalAircraft(v))) {
if (v->owner == p->index && v->engine_type == index) {
/* The user did prove me wrong, so restore old value */
p->block_preview = block_preview;
break;
}
}
}
}
}
e->flags = (e->flags & ~ENGINE_EXCLUSIVE_PREVIEW) | ENGINE_AVAILABLE;
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
/* Now available for all players */
e->player_avail = (PlayerMask)-1;
/* Do not introduce new rail wagons */
if (IsWagon(index)) return;
if (e->type == VEH_TRAIN) {
/* maybe make another rail type available */
RailType railtype = e->u.rail.railtype;
assert(railtype < RAILTYPE_END);
FOR_ALL_PLAYERS(p) SetBit(p->avail_railtypes, railtype);
} else if (e->type == VEH_ROAD) {
/* maybe make another road type available */
FOR_ALL_PLAYERS(p) SetBit(p->avail_roadtypes, HasBit(e->info.misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
}
SetDParam(0, GetEngineCategoryName(index));
SetDParam(1, index);
AddNewsItem(STR_NEW_VEHICLE_NOW_AVAILABLE_WITH_TYPE, NS_NEW_VEHICLES, index, 0);
}
void EnginesMonthlyLoop()
{
if (_cur_year < YEAR_ENGINE_AGING_STOPS) {
Engine *e;
FOR_ALL_ENGINES(e) {
/* Age the vehicle */
if (e->flags & ENGINE_AVAILABLE && e->age != 0xFFFF) {
e->age++;
CalcEngineReliability(e);
}
if (!(e->flags & ENGINE_AVAILABLE) && _date >= (e->intro_date + 365)) {
/* Introduce it to all players */
NewVehicleAvailable(e);
} else if (!(e->flags & (ENGINE_AVAILABLE|ENGINE_EXCLUSIVE_PREVIEW)) && _date >= e->intro_date) {
/* Introduction date has passed.. show introducing dialog to one player. */
e->flags |= ENGINE_EXCLUSIVE_PREVIEW;
/* Do not introduce new rail wagons */
if (!IsWagon(e->index))
e->preview_player_rank = 1; // Give to the player with the highest rating.
}
}
}
}
static bool IsUniqueEngineName(const char *name)
{
char buf[512];
const Engine *e;
FOR_ALL_ENGINES(e) {
SetDParam(0, e->index);
GetString(buf, STR_ENGINE_NAME, lastof(buf));
if (strcmp(buf, name) == 0) return false;
}
return true;
}
/** Rename an engine.
* @param tile unused
* @param flags operation to perfom
* @param p1 engine ID to rename
* @param p2 unused
*/
CommandCost CmdRenameEngine(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
if (!IsEngineIndex(p1)) return CMD_ERROR;
if (StrEmpty(_cmd_text) || strlen(_cmd_text) >= MAX_LENGTH_ENGINE_NAME_BYTES) return CMD_ERROR;
if (!IsUniqueEngineName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
if (flags & DC_EXEC) {
Engine *e = GetEngine(p1);
free(e->name);
e->name = strdup(_cmd_text);
_vehicle_design_names |= 3;
MarkWholeScreenDirty();
}
return CommandCost();
}
/** Check if an engine is buildable.
* @param engine index of the engine to check.
* @param type the type the engine should be.
* @param player index of the player.
* @return True if an engine is valid, of the specified type, and buildable by
* the given player.
*/
bool IsEngineBuildable(EngineID engine, VehicleType type, PlayerID player)
{
/* check if it's an engine that is in the engine array */
if (!IsEngineIndex(engine)) return false;
const Engine *e = GetEngine(engine);
/* check if it's an engine of specified type */
if (e->type != type) return false;
/* check if it's available */
if (!HasBit(e->player_avail, player)) return false;
if (type == VEH_TRAIN) {
/* Check if the rail type is available to this player */
const Player *p = GetPlayer(player);
if (!HasBit(p->avail_railtypes, RailVehInfo(engine)->railtype)) return false;
}
return true;
}
/** Get the default cargo type for a certain engine type
* @param engine The ID to get the cargo for
* @return The cargo type. CT_INVALID means no cargo capacity
*/
CargoID GetEngineCargoType(EngineID engine)
{
assert(IsEngineIndex(engine));
switch (GetEngine(engine)->type) {
case VEH_TRAIN:
if (RailVehInfo(engine)->capacity == 0) return CT_INVALID;
return RailVehInfo(engine)->cargo_type;
case VEH_ROAD:
if (RoadVehInfo(engine)->capacity == 0) return CT_INVALID;
return RoadVehInfo(engine)->cargo_type;
case VEH_SHIP:
if (ShipVehInfo(engine)->capacity == 0) return CT_INVALID;
return ShipVehInfo(engine)->cargo_type;
case VEH_AIRCRAFT:
/* all aircraft starts as passenger planes with cargo capacity */
return CT_PASSENGERS;
default: NOT_REACHED(); return CT_INVALID;
}
}
/************************************************************************
* Engine Replacement stuff
************************************************************************/
DEFINE_OLD_POOL_GENERIC(EngineRenew, EngineRenew)
/**
* Retrieves the EngineRenew that specifies the replacement of the given
* engine type from the given renewlist */
static EngineRenew *GetEngineReplacement(EngineRenewList erl, EngineID engine, GroupID group)
{
EngineRenew *er = (EngineRenew *)erl;
while (er) {
if (er->from == engine && er->group_id == group) return er;
er = er->next;
}
return NULL;
}
void RemoveAllEngineReplacement(EngineRenewList *erl)
{
EngineRenew *er = (EngineRenew *)(*erl);
EngineRenew *next;
while (er != NULL) {
next = er->next;
delete er;
er = next;
}
*erl = NULL; // Empty list
}
EngineID EngineReplacement(EngineRenewList erl, EngineID engine, GroupID group)
{
const EngineRenew *er = GetEngineReplacement(erl, engine, group);
if (er == NULL && (group == DEFAULT_GROUP || (IsValidGroupID(group) && !GetGroup(group)->replace_protection))) {
/* We didn't find anything useful in the vehicle's own group so we will try ALL_GROUP */
er = GetEngineReplacement(erl, engine, ALL_GROUP);
}
return er == NULL ? INVALID_ENGINE : er->to;
}
CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, EngineID new_engine, GroupID group, uint32 flags)
{
EngineRenew *er;
/* Check if the old vehicle is already in the list */
er = GetEngineReplacement(*erl, old_engine, group);
if (er != NULL) {
if (flags & DC_EXEC) er->to = new_engine;
return CommandCost();
}
if (!EngineRenew::CanAllocateItem()) return CMD_ERROR;
if (flags & DC_EXEC) {
er = new EngineRenew(old_engine, new_engine);
er->group_id = group;
/* Insert before the first element */
er->next = (EngineRenew *)(*erl);
*erl = (EngineRenewList)er;
}
return CommandCost();
}
CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, GroupID group, uint32 flags)
{
EngineRenew *er = (EngineRenew *)(*erl);
EngineRenew *prev = NULL;
while (er)
{
if (er->from == engine && er->group_id == group) {
if (flags & DC_EXEC) {
if (prev == NULL) { // First element
/* The second becomes the new first element */
*erl = (EngineRenewList)er->next;
} else {
/* Cut this element out */
prev->next = er->next;
}
delete er;
}
return CommandCost();
}
prev = er;
er = er->next;
}
return CMD_ERROR;
}
static const SaveLoad _engine_renew_desc[] = {
SLE_VAR(EngineRenew, from, SLE_UINT16),
SLE_VAR(EngineRenew, to, SLE_UINT16),
SLE_REF(EngineRenew, next, REF_ENGINE_RENEWS),
SLE_CONDVAR(EngineRenew, group_id, SLE_UINT16, 60, SL_MAX_VERSION),
SLE_END()
};
static void Save_ERNW()
{
EngineRenew *er;
FOR_ALL_ENGINE_RENEWS(er) {
SlSetArrayIndex(er->index);
SlObject(er, _engine_renew_desc);
}
}
static void Load_ERNW()
{
int index;
while ((index = SlIterateArray()) != -1) {
EngineRenew *er = new (index) EngineRenew();
SlObject(er, _engine_renew_desc);
/* Advanced vehicle lists, ungrouped vehicles got added */
if (CheckSavegameVersion(60)) {
er->group_id = ALL_GROUP;
} else if (CheckSavegameVersion(71)) {
if (er->group_id == DEFAULT_GROUP) er->group_id = ALL_GROUP;
}
}
}
static const SaveLoad _engine_desc[] = {
SLE_CONDVAR(Engine, intro_date, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLE_CONDVAR(Engine, intro_date, SLE_INT32, 31, SL_MAX_VERSION),
SLE_CONDVAR(Engine, age, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLE_CONDVAR(Engine, age, SLE_INT32, 31, SL_MAX_VERSION),
SLE_VAR(Engine, reliability, SLE_UINT16),
SLE_VAR(Engine, reliability_spd_dec, SLE_UINT16),
SLE_VAR(Engine, reliability_start, SLE_UINT16),
SLE_VAR(Engine, reliability_max, SLE_UINT16),
SLE_VAR(Engine, reliability_final, SLE_UINT16),
SLE_VAR(Engine, duration_phase_1, SLE_UINT16),
SLE_VAR(Engine, duration_phase_2, SLE_UINT16),
SLE_VAR(Engine, duration_phase_3, SLE_UINT16),
SLE_VAR(Engine, lifelength, SLE_UINT8),
SLE_VAR(Engine, flags, SLE_UINT8),
SLE_VAR(Engine, preview_player_rank, SLE_UINT8),
SLE_VAR(Engine, preview_wait, SLE_UINT8),
SLE_CONDNULL(1, 0, 44),
SLE_VAR(Engine, player_avail, SLE_UINT8),
SLE_CONDSTR(Engine, name, SLE_STR, 0, 84, SL_MAX_VERSION),
/* reserve extra space in savegame here. (currently 16 bytes) */
SLE_CONDNULL(16, 2, SL_MAX_VERSION),
SLE_END()
};
static std::map<EngineID, Engine> _temp_engine;
Engine *GetTempDataEngine(EngineID index)
{
return &_temp_engine[index];
}
static void Save_ENGN()
{
Engine *e;
FOR_ALL_ENGINES(e) {
SlSetArrayIndex(e->index);
SlObject(e, _engine_desc);
}
}
static void Load_ENGN()
{
/* As engine data is loaded before engines are initialized we need to load
* this information into a temporary array. This is then copied into the
* engine pool after processing NewGRFs by CopyTempEngineData(). */
int index;
while ((index = SlIterateArray()) != -1) {
Engine *e = GetTempDataEngine(index);
SlObject(e, _engine_desc);
}
}
/**
* Copy data from temporary engine array into the real engine pool.
*/
void CopyTempEngineData()
{
Engine *e;
FOR_ALL_ENGINES(e) {
if (e->index >= _temp_engine.size()) break;
const Engine *se = GetTempDataEngine(e->index);
e->intro_date = se->intro_date;
e->age = se->age;
e->reliability = se->reliability;
e->reliability_spd_dec = se->reliability_spd_dec;
e->reliability_start = se->reliability_start;
e->reliability_max = se->reliability_max;
e->reliability_final = se->reliability_final;
e->duration_phase_1 = se->duration_phase_1;
e->duration_phase_2 = se->duration_phase_2;
e->duration_phase_3 = se->duration_phase_3;
e->lifelength = se->lifelength;
e->flags = se->flags;
e->preview_player_rank = se->preview_player_rank;
e->preview_wait = se->preview_wait;
e->player_avail = se->player_avail;
if (se->name != NULL) e->name = strdup(se->name);
}
/* Get rid of temporary data */
_temp_engine.clear();
}
static void Load_ENGS()
{
/* Load old separate String ID list into a temporary array. This
* was always 256 entries. */
StringID names[256];
SlArray(names, lengthof(names), SLE_STRINGID);
/* Copy each string into the temporary engine array. */
for (EngineID engine = 0; engine < lengthof(names); engine++) {
Engine *e = GetTempDataEngine(engine);
e->name = CopyFromOldName(names[engine]);
}
}
extern const ChunkHandler _engine_chunk_handlers[] = {
{ 'ENGN', Save_ENGN, Load_ENGN, CH_ARRAY },
{ 'ENGS', NULL, Load_ENGS, CH_RIFF },
{ 'ERNW', Save_ERNW, Load_ERNW, CH_ARRAY | CH_LAST},
};
void InitializeEngines()
{
/* Clean the engine renew pool and create 1 block in it */
_EngineRenew_pool.CleanPool();
_EngineRenew_pool.AddBlockToPool();
}
|