OpenTTD Source: src/disaster_vehicle.cpp Source File

OpenTTD Source 13.1

disaster_vehicle.cpp
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1 /*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
26 #include "stdafx.h"
27
28 #include "aircraft.h"
29 #include "disaster_vehicle.h"
30 #include "industry.h"
31 #include "station_base.h"
32 #include "command_func.h"
33 #include "news_func.h"
34 #include "town.h"
35 #include "company_func.h"
36 #include "strings_func.h"
37 #include "date_func.h"
38 #include "viewport_func.h"
39 #include "vehicle_func.h"
40 #include "sound_func.h"
41 #include "effectvehicle_func.h"
42 #include "roadveh.h"
43 #include "ai/ai.hpp"
44 #include "game/game.hpp"
45 #include "company_base.h"
46 #include "core/random_func.hpp"
47 #include "core/backup_type.hpp"
48 #include "landscape_cmd.h"
49
50 #include "table/strings.h"
51
52 #include "safeguards.h"
53
55 uint16 _disaster_delay;
56
57 static void DisasterClearSquare(TileIndex tile)
58 {
59 if (EnsureNoVehicleOnGround(tile).Failed()) return;
60
61 switch (GetTileType(tile)) {
62 case MP_RAILWAY:
63 if (Company::IsHumanID(GetTileOwner(tile)) && !IsRailDepot(tile)) {
64 Backup<CompanyID> cur_company(_current_company, OWNER_WATER, FILE_LINE);
65 Command<CMD_LANDSCAPE_CLEAR>::Do(DC_EXEC, tile);
66 cur_company.Restore();
67
68 /* update signals in buffer */
69 UpdateSignalsInBuffer();
70 }
71 break;
72
73 case MP_HOUSE: {
74 Backup<CompanyID> cur_company(_current_company, OWNER_NONE, FILE_LINE);
75 Command<CMD_LANDSCAPE_CLEAR>::Do(DC_EXEC, tile);
76 cur_company.Restore();
77 break;
78 }
79
80 case MP_TREES:
81 case MP_CLEAR:
82 DoClearSquare(tile);
83 break;
84
85 default:
86 break;
87 }
88 }
89
90 static const SpriteID _disaster_images_1[] = {SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP};
91 static const SpriteID _disaster_images_2[] = {SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT, SPR_UFO_SMALL_SCOUT};
92 static const SpriteID _disaster_images_3[] = {SPR_F_15, SPR_F_15, SPR_F_15, SPR_F_15, SPR_F_15, SPR_F_15, SPR_F_15, SPR_F_15};
93 static const SpriteID _disaster_images_4[] = {SPR_SUB_SMALL_NE, SPR_SUB_SMALL_NE, SPR_SUB_SMALL_SE, SPR_SUB_SMALL_SE, SPR_SUB_SMALL_SW, SPR_SUB_SMALL_SW, SPR_SUB_SMALL_NW, SPR_SUB_SMALL_NW};
94 static const SpriteID _disaster_images_5[] = {SPR_SUB_LARGE_NE, SPR_SUB_LARGE_NE, SPR_SUB_LARGE_SE, SPR_SUB_LARGE_SE, SPR_SUB_LARGE_SW, SPR_SUB_LARGE_SW, SPR_SUB_LARGE_NW, SPR_SUB_LARGE_NW};
95 static const SpriteID _disaster_images_6[] = {SPR_UFO_HARVESTER, SPR_UFO_HARVESTER, SPR_UFO_HARVESTER, SPR_UFO_HARVESTER, SPR_UFO_HARVESTER, SPR_UFO_HARVESTER, SPR_UFO_HARVESTER, SPR_UFO_HARVESTER};
96 static const SpriteID _disaster_images_7[] = {SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER, SPR_XCOM_SKYRANGER};
97 static const SpriteID _disaster_images_8[] = {SPR_AH_64A, SPR_AH_64A, SPR_AH_64A, SPR_AH_64A, SPR_AH_64A, SPR_AH_64A, SPR_AH_64A, SPR_AH_64A};
98 static const SpriteID _disaster_images_9[] = {SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1, SPR_ROTOR_MOVING_1};
99
100 static const SpriteID * const _disaster_images[] = {
101 _disaster_images_1, _disaster_images_1,
102 _disaster_images_2, _disaster_images_2,
103 _disaster_images_3, _disaster_images_3,
104 _disaster_images_8, _disaster_images_8, _disaster_images_9,
105 _disaster_images_6, _disaster_images_6,
106 _disaster_images_7, _disaster_images_7,
107 _disaster_images_4, _disaster_images_5,
108 };
109
110 void DisasterVehicle::UpdateImage()
111 {
112 SpriteID img = this->image_override;
113 if (img == 0) img = _disaster_images[this->subtype][this->direction];
114 this->sprite_cache.sprite_seq.Set(img);
115 }
116
125 DisasterVehicle::DisasterVehicle(int x, int y, Direction direction, DisasterSubType subtype, VehicleID big_ufo_destroyer_target) :
126 SpecializedVehicleBase(), big_ufo_destroyer_target(big_ufo_destroyer_target)
127 {
128 this->vehstatus = VS_UNCLICKABLE;
129
130 this->x_pos = x;
131 this->y_pos = y;
132 switch (subtype) {
133 case ST_ZEPPELINER:
134 case ST_SMALL_UFO:
135 case ST_AIRPLANE:
136 case ST_HELICOPTER:
137 case ST_BIG_UFO:
138 case ST_BIG_UFO_DESTROYER:
139 GetAircraftFlightLevelBounds(this, &this->z_pos, nullptr);
140 break;
141
142 case ST_HELICOPTER_ROTORS:
143 GetAircraftFlightLevelBounds(this, &this->z_pos, nullptr);
144 this->z_pos += ROTOR_Z_OFFSET;
145 break;
146
147 case ST_SMALL_SUBMARINE:
148 case ST_BIG_SUBMARINE:
149 this->z_pos = 0;
150 break;
151
152 case ST_ZEPPELINER_SHADOW:
153 case ST_SMALL_UFO_SHADOW:
154 case ST_AIRPLANE_SHADOW:
155 case ST_HELICOPTER_SHADOW:
156 case ST_BIG_UFO_SHADOW:
157 case ST_BIG_UFO_DESTROYER_SHADOW:
158 this->z_pos = 0;
159 this->vehstatus |= VS_SHADOW;
160 break;
161 }
162
163 this->direction = direction;
164 this->tile = TileVirtXY(x, y);
165 this->subtype = subtype;
166 this->UpdateDeltaXY();
167 this->owner = OWNER_NONE;
168 this->image_override = 0;
169 this->current_order.Free();
170
171 this->UpdateImage();
172 this->UpdatePositionAndViewport();
173 }
174
181 void DisasterVehicle::UpdatePosition(int x, int y, int z)
182 {
183 this->x_pos = x;
184 this->y_pos = y;
185 this->z_pos = z;
186 this->tile = TileVirtXY(x, y);
187
188 this->UpdateImage();
189 this->UpdatePositionAndViewport();
190
191 DisasterVehicle *u = this->Next();
192 if (u != nullptr) {
193 int safe_x = Clamp(x, 0, MapMaxX() * TILE_SIZE);
194 int safe_y = Clamp(y - 1, 0, MapMaxY() * TILE_SIZE);
195
196 u->x_pos = x;
197 u->y_pos = y - 1 - (std::max(z - GetSlopePixelZ(safe_x, safe_y), 0) >> 3);
198 safe_y = Clamp(u->y_pos, 0, MapMaxY() * TILE_SIZE);
199 u->z_pos = GetSlopePixelZ(safe_x, safe_y);
200 u->direction = this->direction;
201
202 u->UpdateImage();
203 u->UpdatePositionAndViewport();
204
205 if ((u = u->Next()) != nullptr) {
206 u->x_pos = x;
207 u->y_pos = y;
208 u->z_pos = z + ROTOR_Z_OFFSET;
209 u->UpdatePositionAndViewport();
210 }
211 }
212 }
213
222 static bool DisasterTick_Zeppeliner(DisasterVehicle *v)
223 {
224 v->tick_counter++;
225
226 if (v->current_order.GetDestination() < 2) {
227 if (HasBit(v->tick_counter, 0)) return true;
228
229 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
230
231 v->UpdatePosition(gp.x, gp.y, GetAircraftFlightLevel(v));
232
233 if (v->current_order.GetDestination() == 1) {
234 if (++v->age == 38) {
235 v->current_order.SetDestination(2);
236 v->age = 0;
237 }
238
239 if (GB(v->tick_counter, 0, 3) == 0) CreateEffectVehicleRel(v, 0, -17, 2, EV_CRASH_SMOKE);
240
241 } else if (v->current_order.GetDestination() == 0) {
242 if (IsValidTile(v->tile) && IsAirportTile(v->tile)) {
243 v->current_order.SetDestination(1);
244 v->age = 0;
245
246 SetDParam(0, GetStationIndex(v->tile));
247 AddTileNewsItem(STR_NEWS_DISASTER_ZEPPELIN, NT_ACCIDENT, v->tile);
248 AI::NewEvent(GetTileOwner(v->tile), new ScriptEventDisasterZeppelinerCrashed(GetStationIndex(v->tile)));
249 }
250 }
251
252 if (v->y_pos >= (int)((MapSizeY() + 9) * TILE_SIZE - 1)) {
253 delete v;
254 return false;
255 }
256
257 return true;
258 }
259
260 if (v->current_order.GetDestination() > 2) {
261 if (++v->age <= 13320) return true;
262
263 if (IsValidTile(v->tile) && IsAirportTile(v->tile)) {
264 Station *st = Station::GetByTile(v->tile);
265 CLRBITS(st->airport.flags, RUNWAY_IN_block);
266 AI::NewEvent(GetTileOwner(v->tile), new ScriptEventDisasterZeppelinerCleared(st->index));
267 }
268
269 v->UpdatePosition(v->x_pos, v->y_pos, GetAircraftFlightLevel(v));
270 delete v;
271 return false;
272 }
273
274 int x = v->x_pos;
275 int y = v->y_pos;
276 int z = GetSlopePixelZ(x, y);
277 if (z < v->z_pos) z = v->z_pos - 1;
278 v->UpdatePosition(x, y, z);
279
280 if (++v->age == 1) {
281 CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);
282 if (_settings_client.sound.disaster) SndPlayVehicleFx(SND_12_EXPLOSION, v);
283 v->image_override = SPR_BLIMP_CRASHING;
284 } else if (v->age == 70) {
285 v->image_override = SPR_BLIMP_CRASHED;
286 } else if (v->age <= 300) {
287 if (GB(v->tick_counter, 0, 3) == 0) {
288 uint32 r = Random();
289
290 CreateEffectVehicleRel(v,
291 GB(r, 0, 4) - 7,
292 GB(r, 4, 4) - 7,
293 GB(r, 8, 3) + 5,
294 EV_EXPLOSION_SMALL);
295 }
296 } else if (v->age == 350) {
297 v->current_order.SetDestination(3);
298 v->age = 0;
299 }
300
301 if (IsValidTile(v->tile) && IsAirportTile(v->tile)) {
302 SETBITS(Station::GetByTile(v->tile)->airport.flags, RUNWAY_IN_block);
303 }
304
305 return true;
306 }
307
314 static bool DisasterTick_Ufo(DisasterVehicle *v)
315 {
316 v->image_override = (HasBit(++v->tick_counter, 3)) ? SPR_UFO_SMALL_SCOUT_DARKER : SPR_UFO_SMALL_SCOUT;
317
318 if (v->current_order.GetDestination() == 0) {
319 /* Fly around randomly */
320 int x = TileX(v->dest_tile) * TILE_SIZE;
321 int y = TileY(v->dest_tile) * TILE_SIZE;
322 if (Delta(x, v->x_pos) + Delta(y, v->y_pos) >= (int)TILE_SIZE) {
323 v->direction = GetDirectionTowards(v, x, y);
324 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
325 v->UpdatePosition(gp.x, gp.y, GetAircraftFlightLevel(v));
326 return true;
327 }
328 if (++v->age < 6) {
329 v->dest_tile = RandomTile();
330 return true;
331 }
332 v->current_order.SetDestination(1);
333
334 uint n = 0; // Total number of targetable road vehicles.
335 for (const RoadVehicle *u : RoadVehicle::Iterate()) {
336 if (u->IsFrontEngine()) n++;
337 }
338
339 if (n == 0) {
340 /* If there are no targetable road vehicles, destroy the UFO. */
341 delete v;
342 return false;
343 }
344
345 n = RandomRange(n); // Choose one of them.
346 for (const RoadVehicle *u : RoadVehicle::Iterate()) {
347 /* Find (n+1)-th road vehicle. */
348 if (u->IsFrontEngine() && (n-- == 0)) {
349 /* Target it. */
350 v->dest_tile = u->index;
351 v->age = 0;
352 break;
353 }
354 }
355
356 return true;
357 } else {
358 /* Target a vehicle */
359 RoadVehicle *u = RoadVehicle::Get(v->dest_tile);
360 assert(u != nullptr && u->type == VEH_ROAD && u->IsFrontEngine());
361
362 uint dist = Delta(v->x_pos, u->x_pos) + Delta(v->y_pos, u->y_pos);
363
364 if (dist < TILE_SIZE && !(u->vehstatus & VS_HIDDEN) && u->breakdown_ctr == 0) {
365 u->breakdown_ctr = 3;
366 u->breakdown_delay = 140;
367 }
368
369 v->direction = GetDirectionTowards(v, u->x_pos, u->y_pos);
370 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
371
372 int z = v->z_pos;
373 if (dist <= TILE_SIZE && z > u->z_pos) z--;
374 v->UpdatePosition(gp.x, gp.y, z);
375
376 if (z <= u->z_pos && (u->vehstatus & VS_HIDDEN) == 0) {
377 v->age++;
378 if (u->crashed_ctr == 0) {
379 u->Crash();
380
381 AddTileNewsItem(STR_NEWS_DISASTER_SMALL_UFO, NT_ACCIDENT, u->tile);
382
383 AI::NewEvent(u->owner, new ScriptEventVehicleCrashed(u->index, u->tile, ScriptEventVehicleCrashed::CRASH_RV_UFO));
384 Game::NewEvent(new ScriptEventVehicleCrashed(u->index, u->tile, ScriptEventVehicleCrashed::CRASH_RV_UFO));
385 }
386 }
387
388 /* Destroy? */
389 if (v->age > 50) {
390 CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);
391 if (_settings_client.sound.disaster) SndPlayVehicleFx(SND_12_EXPLOSION, v);
392 delete v;
393 return false;
394 }
395 }
396
397 return true;
398 }
399
400 static void DestructIndustry(Industry *i)
401 {
402 for (TileIndex tile = 0; tile != MapSize(); tile++) {
403 if (i->TileBelongsToIndustry(tile)) {
404 ResetIndustryConstructionStage(tile);
405 MarkTileDirtyByTile(tile);
406 }
407 }
408 }
409
423 static bool DisasterTick_Aircraft(DisasterVehicle *v, uint16 image_override, bool leave_at_top, StringID news_message, IndustryBehaviour industry_flag)
424 {
425 v->tick_counter++;
426 v->image_override = (v->current_order.GetDestination() == 1 && HasBit(v->tick_counter, 2)) ? image_override : 0;
427
428 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
429 v->UpdatePosition(gp.x, gp.y, GetAircraftFlightLevel(v));
430
431 if ((leave_at_top && gp.x < (-10 * (int)TILE_SIZE)) || (!leave_at_top && gp.x > (int)(MapSizeX() * TILE_SIZE + 9 * TILE_SIZE) - 1)) {
432 delete v;
433 return false;
434 }
435
436 if (v->current_order.GetDestination() == 2) {
437 if (GB(v->tick_counter, 0, 2) == 0) {
438 Industry *i = Industry::Get(v->dest_tile); // Industry destructor calls ReleaseDisastersTargetingIndustry, so this is valid
439 int x = TileX(i->location.tile) * TILE_SIZE;
440 int y = TileY(i->location.tile) * TILE_SIZE;
441 uint32 r = Random();
442
443 CreateEffectVehicleAbove(
444 GB(r, 0, 6) + x,
445 GB(r, 6, 6) + y,
446 GB(r, 12, 4),
447 EV_EXPLOSION_SMALL);
448
449 if (++v->age >= 55) v->current_order.SetDestination(3);
450 }
451 } else if (v->current_order.GetDestination() == 1) {
452 if (++v->age == 112) {
453 v->current_order.SetDestination(2);
454 v->age = 0;
455
456 Industry *i = Industry::Get(v->dest_tile); // Industry destructor calls ReleaseDisastersTargetingIndustry, so this is valid
457 DestructIndustry(i);
458
459 SetDParam(0, i->town->index);
460 AddIndustryNewsItem(news_message, NT_ACCIDENT, i->index);
461 if (_settings_client.sound.disaster) SndPlayTileFx(SND_12_EXPLOSION, i->location.tile);
462 }
463 } else if (v->current_order.GetDestination() == 0) {
464 int x = v->x_pos + ((leave_at_top ? -15 : 15) * TILE_SIZE);
465 int y = v->y_pos;
466
467 if ((uint)x > MapMaxX() * TILE_SIZE - 1) return true;
468
469 TileIndex tile = TileVirtXY(x, y);
470 if (!IsTileType(tile, MP_INDUSTRY)) return true;
471
472 IndustryID ind = GetIndustryIndex(tile);
473 v->dest_tile = ind;
474
475 if (GetIndustrySpec(Industry::Get(ind)->type)->behaviour & industry_flag) {
476 v->current_order.SetDestination(1);
477 v->age = 0;
478 }
479 }
480
481 return true;
482 }
483
485 static bool DisasterTick_Airplane(DisasterVehicle *v)
486 {
487 return DisasterTick_Aircraft(v, SPR_F_15_FIRING, true, STR_NEWS_DISASTER_AIRPLANE_OIL_REFINERY, INDUSTRYBEH_AIRPLANE_ATTACKS);
488 }
489
491 static bool DisasterTick_Helicopter(DisasterVehicle *v)
492 {
493 return DisasterTick_Aircraft(v, SPR_AH_64A_FIRING, false, STR_NEWS_DISASTER_HELICOPTER_FACTORY, INDUSTRYBEH_CHOPPER_ATTACKS);
494 }
495
497 static bool DisasterTick_Helicopter_Rotors(DisasterVehicle *v)
498 {
499 v->tick_counter++;
500 if (HasBit(v->tick_counter, 0)) return true;
501
502 SpriteID &cur_image = v->sprite_cache.sprite_seq.seq[0].sprite;
503 if (++cur_image > SPR_ROTOR_MOVING_3) cur_image = SPR_ROTOR_MOVING_1;
504
505 v->UpdatePositionAndViewport();
506
507 return true;
508 }
509
516 static bool DisasterTick_Big_Ufo(DisasterVehicle *v)
517 {
518 v->tick_counter++;
519
520 if (v->current_order.GetDestination() == 1) {
521 int x = TileX(v->dest_tile) * TILE_SIZE + TILE_SIZE / 2;
522 int y = TileY(v->dest_tile) * TILE_SIZE + TILE_SIZE / 2;
523 if (Delta(v->x_pos, x) + Delta(v->y_pos, y) >= 8) {
524 v->direction = GetDirectionTowards(v, x, y);
525
526 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
527 v->UpdatePosition(gp.x, gp.y, GetAircraftFlightLevel(v));
528 return true;
529 }
530
531 if (!IsValidTile(v->dest_tile)) {
532 /* Make sure we don't land outside the map. */
533 delete v;
534 return false;
535 }
536
537 int z = GetSlopePixelZ(v->x_pos, v->y_pos);
538 if (z < v->z_pos) {
539 v->UpdatePosition(v->x_pos, v->y_pos, v->z_pos - 1);
540 return true;
541 }
542
543 v->current_order.SetDestination(2);
544
545 for (Vehicle *target : Vehicle::Iterate()) {
546 if (target->IsGroundVehicle()) {
547 if (Delta(target->x_pos, v->x_pos) + Delta(target->y_pos, v->y_pos) <= 12 * (int)TILE_SIZE) {
548 target->breakdown_ctr = 5;
549 target->breakdown_delay = 0xF0;
550 }
551 }
552 }
553
554 Town *t = ClosestTownFromTile(v->dest_tile, UINT_MAX);
555 SetDParam(0, t->index);
556 AddTileNewsItem(STR_NEWS_DISASTER_BIG_UFO, NT_ACCIDENT, v->tile);
557
558 if (!Vehicle::CanAllocateItem(2)) {
559 delete v;
560 return false;
561 }
562 DisasterVehicle *u = new DisasterVehicle(-6 * (int)TILE_SIZE, v->y_pos, DIR_SW, ST_BIG_UFO_DESTROYER, v->index);
563 DisasterVehicle *w = new DisasterVehicle(-6 * (int)TILE_SIZE, v->y_pos, DIR_SW, ST_BIG_UFO_DESTROYER_SHADOW);
564 u->SetNext(w);
565 } else if (v->current_order.GetDestination() == 0) {
566 int x = TileX(v->dest_tile) * TILE_SIZE;
567 int y = TileY(v->dest_tile) * TILE_SIZE;
568 if (Delta(x, v->x_pos) + Delta(y, v->y_pos) >= (int)TILE_SIZE) {
569 v->direction = GetDirectionTowards(v, x, y);
570 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
571 v->UpdatePosition(gp.x, gp.y, GetAircraftFlightLevel(v));
572 return true;
573 }
574
575 if (++v->age < 6) {
576 v->dest_tile = RandomTile();
577 return true;
578 }
579 v->current_order.SetDestination(1);
580
581 TileIndex tile_org = RandomTile();
582 TileIndex tile = tile_org;
583 do {
584 if (IsPlainRailTile(tile) &&
585 Company::IsHumanID(GetTileOwner(tile))) {
586 break;
587 }
588 tile = TILE_MASK(tile + 1);
589 } while (tile != tile_org);
590 v->dest_tile = tile;
591 v->age = 0;
592 }
593
594 return true;
595 }
596
601 static bool DisasterTick_Big_Ufo_Destroyer(DisasterVehicle *v)
602 {
603 v->tick_counter++;
604
605 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
606 v->UpdatePosition(gp.x, gp.y, GetAircraftFlightLevel(v));
607
608 if (gp.x > (int)(MapSizeX() * TILE_SIZE + 9 * TILE_SIZE) - 1) {
609 delete v;
610 return false;
611 }
612
613 if (v->current_order.GetDestination() == 0) {
614 Vehicle *u = Vehicle::Get(v->big_ufo_destroyer_target);
615 if (Delta(v->x_pos, u->x_pos) > (int)TILE_SIZE) return true;
616 v->current_order.SetDestination(1);
617
618 CreateEffectVehicleRel(u, 0, 7, 8, EV_EXPLOSION_LARGE);
619 if (_settings_client.sound.disaster) SndPlayVehicleFx(SND_12_EXPLOSION, u);
620
621 delete u;
622
623 for (int i = 0; i != 80; i++) {
624 uint32 r = Random();
625 CreateEffectVehicleAbove(
626 GB(r, 0, 6) + v->x_pos - 32,
627 GB(r, 5, 6) + v->y_pos - 32,
628 0,
629 EV_EXPLOSION_SMALL);
630 }
631
632 for (int dy = -3; dy < 3; dy++) {
633 for (int dx = -3; dx < 3; dx++) {
634 TileIndex tile = TileAddWrap(v->tile, dx, dy);
635 if (tile != INVALID_TILE) DisasterClearSquare(tile);
636 }
637 }
638 }
639
640 return true;
641 }
642
647 static bool DisasterTick_Submarine(DisasterVehicle *v)
648 {
649 v->tick_counter++;
650
651 if (++v->age > 8880) {
652 delete v;
653 return false;
654 }
655
656 if (!HasBit(v->tick_counter, 0)) return true;
657
658 TileIndex tile = v->tile + TileOffsByDiagDir(DirToDiagDir(v->direction));
659 if (IsValidTile(tile)) {
660 TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
661 if (trackbits == TRACK_BIT_ALL && !Chance16(1, 90)) {
662 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
663 v->UpdatePosition(gp.x, gp.y, v->z_pos);
664 return true;
665 }
666 }
667
668 v->direction = ChangeDir(v->direction, GB(Random(), 0, 1) ? DIRDIFF_90RIGHT : DIRDIFF_90LEFT);
669
670 return true;
671 }
672
673
674 static bool DisasterTick_NULL(DisasterVehicle *v)
675 {
676 return true;
677 }
678
679 typedef bool DisasterVehicleTickProc(DisasterVehicle *v);
680
681 static DisasterVehicleTickProc * const _disastervehicle_tick_procs[] = {
682 DisasterTick_Zeppeliner, DisasterTick_NULL,
683 DisasterTick_Ufo, DisasterTick_NULL,
684 DisasterTick_Airplane, DisasterTick_NULL,
685 DisasterTick_Helicopter, DisasterTick_NULL, DisasterTick_Helicopter_Rotors,
686 DisasterTick_Big_Ufo, DisasterTick_NULL, DisasterTick_Big_Ufo_Destroyer,
687 DisasterTick_NULL,
688 DisasterTick_Submarine,
689 DisasterTick_Submarine,
690 };
691
692
693 bool DisasterVehicle::Tick()
694 {
695 return _disastervehicle_tick_procs[this->subtype](this);
696 }
697
698 typedef void DisasterInitProc();
699
700
705 static void Disaster_Zeppeliner_Init()
706 {
707 if (!Vehicle::CanAllocateItem(2)) return;
708
709 /* Pick a random place, unless we find a small airport */
710 int x = TileX(Random()) * TILE_SIZE + TILE_SIZE / 2;
711
712 for (const Station *st : Station::Iterate()) {
713 if (st->airport.tile != INVALID_TILE && (st->airport.type == AT_SMALL || st->airport.type == AT_LARGE)) {
714 x = (TileX(st->airport.tile) + 2) * TILE_SIZE;
715 break;
716 }
717 }
718
719 DisasterVehicle *v = new DisasterVehicle(x, 0, DIR_SE, ST_ZEPPELINER);
720 /* Allocate shadow */
721 DisasterVehicle *u = new DisasterVehicle(x, 0, DIR_SE, ST_ZEPPELINER_SHADOW);
722 v->SetNext(u);
723 }
724
725
730 static void Disaster_Small_Ufo_Init()
731 {
732 if (!Vehicle::CanAllocateItem(2)) return;
733
734 int x = TileX(Random()) * TILE_SIZE + TILE_SIZE / 2;
735 DisasterVehicle *v = new DisasterVehicle(x, 0, DIR_SE, ST_SMALL_UFO);
736 v->dest_tile = TileXY(MapSizeX() / 2, MapSizeY() / 2);
737
738 /* Allocate shadow */
739 DisasterVehicle *u = new DisasterVehicle(x, 0, DIR_SE, ST_SMALL_UFO_SHADOW);
740 v->SetNext(u);
741 }
742
743
744 /* Combat airplane which destroys an oil refinery */
745 static void Disaster_Airplane_Init()
746 {
747 if (!Vehicle::CanAllocateItem(2)) return;
748
749 Industry *found = nullptr;
750
751 for (Industry *i : Industry::Iterate()) {
752 if ((GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_AIRPLANE_ATTACKS) &&
753 (found == nullptr || Chance16(1, 2))) {
754 found = i;
755 }
756 }
757
758 if (found == nullptr) return;
759
760 /* Start from the bottom (south side) of the map */
761 int x = (MapSizeX() + 9) * TILE_SIZE - 1;
762 int y = TileY(found->location.tile) * TILE_SIZE + 37;
763
764 DisasterVehicle *v = new DisasterVehicle(x, y, DIR_NE, ST_AIRPLANE);
765 DisasterVehicle *u = new DisasterVehicle(x, y, DIR_NE, ST_AIRPLANE_SHADOW);
766 v->SetNext(u);
767 }
768
769
771 static void Disaster_Helicopter_Init()
772 {
773 if (!Vehicle::CanAllocateItem(3)) return;
774
775 Industry *found = nullptr;
776
777 for (Industry *i : Industry::Iterate()) {
778 if ((GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_CHOPPER_ATTACKS) &&
779 (found == nullptr || Chance16(1, 2))) {
780 found = i;
781 }
782 }
783
784 if (found == nullptr) return;
785
786 int x = -16 * (int)TILE_SIZE;
787 int y = TileY(found->location.tile) * TILE_SIZE + 37;
788
789 DisasterVehicle *v = new DisasterVehicle(x, y, DIR_SW, ST_HELICOPTER);
790 DisasterVehicle *u = new DisasterVehicle(x, y, DIR_SW, ST_HELICOPTER_SHADOW);
791 v->SetNext(u);
792
793 DisasterVehicle *w = new DisasterVehicle(x, y, DIR_SW, ST_HELICOPTER_ROTORS);
794 u->SetNext(w);
795 }
796
797
798 /* Big Ufo which lands on a piece of rail and will consequently be shot
799 * down by a combat airplane, destroying the surroundings */
800 static void Disaster_Big_Ufo_Init()
801 {
802 if (!Vehicle::CanAllocateItem(2)) return;
803
804 int x = TileX(Random()) * TILE_SIZE + TILE_SIZE / 2;
805 int y = MapMaxX() * TILE_SIZE - 1;
806
807 DisasterVehicle *v = new DisasterVehicle(x, y, DIR_NW, ST_BIG_UFO);
808 v->dest_tile = TileXY(MapSizeX() / 2, MapSizeY() / 2);
809
810 /* Allocate shadow */
811 DisasterVehicle *u = new DisasterVehicle(x, y, DIR_NW, ST_BIG_UFO_SHADOW);
812 v->SetNext(u);
813 }
814
815
816 static void Disaster_Submarine_Init(DisasterSubType subtype)
817 {
818 if (!Vehicle::CanAllocateItem()) return;
819
820 int y;
821 Direction dir;
822 uint32 r = Random();
823 int x = TileX(r) * TILE_SIZE + TILE_SIZE / 2;
824
825 if (HasBit(r, 31)) {
826 y = MapMaxY() * TILE_SIZE - TILE_SIZE / 2 - 1;
827 dir = DIR_NW;
828 } else {
829 y = TILE_SIZE / 2;
830 if (_settings_game.construction.freeform_edges) y += TILE_SIZE;
831 dir = DIR_SE;
832 }
833 if (!IsWaterTile(TileVirtXY(x, y))) return;
834
835 new DisasterVehicle(x, y, dir, subtype);
836 }
837
838 /* Curious submarine #1, just floats around */
839 static void Disaster_Small_Submarine_Init()
840 {
841 Disaster_Submarine_Init(ST_SMALL_SUBMARINE);
842 }
843
844
845 /* Curious submarine #2, just floats around */
846 static void Disaster_Big_Submarine_Init()
847 {
848 Disaster_Submarine_Init(ST_BIG_SUBMARINE);
849 }
850
851
856 static void Disaster_CoalMine_Init()
857 {
858 int index = GB(Random(), 0, 4);
859 uint m;
860
861 for (m = 0; m < 15; m++) {
862 for (const Industry *i : Industry::Iterate()) {
863 if ((GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_CAN_SUBSIDENCE) && --index < 0) {
864 SetDParam(0, i->town->index);
865 AddTileNewsItem(STR_NEWS_DISASTER_COAL_MINE_SUBSIDENCE, NT_ACCIDENT, i->location.tile + TileDiffXY(1, 1)); // keep the news, even when the mine closes
866
867 {
868 TileIndex tile = i->location.tile;
869 TileIndexDiff step = TileOffsByDiagDir((DiagDirection)GB(Random(), 0, 2));
870
871 for (uint n = 0; n < 30; n++) {
872 DisasterClearSquare(tile);
873 tile += step;
874 if (!IsValidTile(tile)) break;
875 }
876 }
877 return;
878 }
879 }
880 }
881 }
882
883 struct Disaster {
884 DisasterInitProc *init_proc;
885 Year min_year;
886 Year max_year;
887 };
888
889 static const Disaster _disasters[] = {
890 {Disaster_Zeppeliner_Init, 1930, 1955}, // zeppeliner
891 {Disaster_Small_Ufo_Init, 1940, 1970}, // ufo (small)
892 {Disaster_Airplane_Init, 1960, 1990}, // airplane
893 {Disaster_Helicopter_Init, 1970, 2000}, // helicopter
894 {Disaster_Big_Ufo_Init, 2000, 2100}, // ufo (big)
895 {Disaster_Small_Submarine_Init, 1940, 1965}, // submarine (small)
896 {Disaster_Big_Submarine_Init, 1975, 2010}, // submarine (big)
897 {Disaster_CoalMine_Init, 1950, 1985}, // coalmine
898 };
899
900 static void DoDisaster()
901 {
902 byte buf[lengthof(_disasters)];
903
904 byte j = 0;
905 for (size_t i = 0; i != lengthof(_disasters); i++) {
906 if (_cur_year >= _disasters[i].min_year && _cur_year < _disasters[i].max_year) buf[j++] = (byte)i;
907 }
908
909 if (j == 0) return;
910
911 _disasters[buf[RandomRange(j)]].init_proc();
912 }
913
914
915 static void ResetDisasterDelay()
916 {
917 _disaster_delay = GB(Random(), 0, 9) + 730;
918 }
919
920 void DisasterDailyLoop()
921 {
922 if (--_disaster_delay != 0) return;
923
924 ResetDisasterDelay();
925
926 if (_settings_game.difficulty.disasters != 0) DoDisaster();
927 }
928
929 void StartupDisasters()
930 {
931 ResetDisasterDelay();
932 }
933
939 void ReleaseDisastersTargetingIndustry(IndustryID i)
940 {
941 for (DisasterVehicle *v : DisasterVehicle::Iterate()) {
942 /* primary disaster vehicles that have chosen target */
943 if (v->subtype == ST_AIRPLANE || v->subtype == ST_HELICOPTER) {
944 /* if it has chosen target, and it is this industry (yes, dest_tile is IndustryID here), set order to "leaving map peacefully" */
945 if (v->current_order.GetDestination() > 0 && v->dest_tile == (uint32)i) v->current_order.SetDestination(3);
946 }
947 }
948 }
949
954 void ReleaseDisastersTargetingVehicle(VehicleID vehicle)
955 {
956 for (DisasterVehicle *v : DisasterVehicle::Iterate()) {
957 /* primary disaster vehicles that have chosen target */
958 if (v->subtype == ST_SMALL_UFO) {
959 if (v->current_order.GetDestination() != 0 && v->dest_tile == vehicle) {
960 /* Revert to target-searching */
961 v->current_order.SetDestination(0);
962 v->dest_tile = RandomTile();
963 GetAircraftFlightLevelBounds(v, &v->z_pos, nullptr);
964 v->age = 0;
965 }
966 }
967 }
968 }
969
970 void DisasterVehicle::UpdateDeltaXY()
971 {
972 this->x_offs = -1;
973 this->y_offs = -1;
974 this->x_extent = 2;
975 this->y_extent = 2;
976 this->z_extent = 5;
977 }
DisasterVehicle::image_override
SpriteID image_override
Override for the default disaster vehicle sprite.
Definition: disaster_vehicle.h:38
game.hpp
RoadVehicle
Buses, trucks and trams belong to this class.
Definition: roadveh.h:107
MP_CLEAR
@ MP_CLEAR
A tile without any structures, i.e. grass, rocks, farm fields etc.
Definition: tile_type.h:48
MP_HOUSE
@ MP_HOUSE
A house by a town.
Definition: tile_type.h:51
DIR_SW
@ DIR_SW
Southwest.
Definition: direction_type.h:31
DisasterTick_Airplane
static bool DisasterTick_Airplane(DisasterVehicle *v)
Airplane handling.
Definition: disaster_vehicle.cpp:485
sound_func.h
DisasterTick_Zeppeliner
static bool DisasterTick_Zeppeliner(DisasterVehicle *v)
Zeppeliner handling, v->current_order.dest states: 0: Zeppeliner initialization has found a small air...
Definition: disaster_vehicle.cpp:222
DisasterTick_Submarine
static bool DisasterTick_Submarine(DisasterVehicle *v)
Submarine, v->current_order.dest states: Unused, just float around aimlessly and pop up at different ...
Definition: disaster_vehicle.cpp:647
Chance16
static bool Chance16(const uint a, const uint b)
Flips a coin with given probability.
Definition: random_func.hpp:131
Pool::PoolItem<&_industry_pool >::Get
static Titem * Get(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:337
TileOffsByDiagDir
static TileIndexDiff TileOffsByDiagDir(DiagDirection dir)
Convert a DiagDirection to a TileIndexDiff.
Definition: map_func.h:341
Direction
Direction
Defines the 8 directions on the map.
Definition: direction_type.h:24
Vehicle::y_pos
int32 y_pos
y coordinate.
Definition: vehicle_base.h:284
MutableSpriteCache::sprite_seq
VehicleSpriteSeq sprite_seq
Vehicle appearance.
Definition: vehicle_base.h:197
GB
static uint GB(const T x, const uint8 s, const uint8 n)
Fetch n bits from x, started at bit s.
Definition: bitmath_func.hpp:32
Vehicle::x_pos
int32 x_pos
x coordinate.
Definition: vehicle_base.h:283
ChangeDir
static Direction ChangeDir(Direction d, DirDiff delta)
Change a direction by a given difference.
Definition: direction_func.h:104
UpdateSignalsInBuffer
static SigSegState UpdateSignalsInBuffer(Owner owner)
Updates blocks in _globset buffer.
Definition: signal.cpp:468
command_func.h
DIR_SE
@ DIR_SE
Southeast.
Definition: direction_type.h:29
ClosestTownFromTile
Town * ClosestTownFromTile(TileIndex tile, uint threshold)
Return the town closest (in distance or ownership) to a given tile, within a given threshold.
Definition: town_cmd.cpp:3594
Backup
Class to backup a specific variable and restore it later.
Definition: backup_type.hpp:21
company_base.h
_cur_year
Year _cur_year
Current year, starting at 0.
Definition: date.cpp:26
SpecializedVehicle< DisasterVehicle, VEH_DISASTER >::Next
DisasterVehicle * Next() const
Get next vehicle in the chain.
Definition: vehicle_base.h:1098
DisasterVehicle::big_ufo_destroyer_target
VehicleID big_ufo_destroyer_target
The big UFO that this destroyer is supposed to bomb.
Definition: disaster_vehicle.h:39
Vehicle::y_extent
byte y_extent
y-extent of vehicle bounding box
Definition: vehicle_base.h:296
Station
Station data structure.
Definition: station_base.h:454
Order::GetDestination
DestinationID GetDestination() const
Gets the destination of this order.
Definition: order_base.h:104
Vehicle::z_pos
int32 z_pos
z coordinate.
Definition: vehicle_base.h:285
IsAirportTile
static bool IsAirportTile(TileIndex t)
Is this tile a station tile and an airport tile?
Definition: station_map.h:167
VehicleSpriteSeq::Set
void Set(SpriteID sprite)
Assign a single sprite to the sequence.
Definition: vehicle_base.h:165
DIR_NW
@ DIR_NW
Northwest.
Definition: direction_type.h:33
Vehicle::vehstatus
byte vehstatus
Status.
Definition: vehicle_base.h:332
INDUSTRYBEH_CAN_SUBSIDENCE
@ INDUSTRYBEH_CAN_SUBSIDENCE
can cause a subsidence (coal mine, shaft that collapses)
Definition: industrytype.h:76
Pool::PoolItem::index
Tindex index
Index of this pool item.
Definition: pool_type.hpp:235
Vehicle::SetNext
void SetNext(Vehicle *next)
Set the next vehicle of this vehicle.
Definition: vehicle.cpp:2741
PalSpriteID::sprite
SpriteID sprite
The 'real' sprite.
Definition: gfx_type.h:23
Order::Free
void Free()
'Free' the order
Definition: order_cmd.cpp:63
ST_SMALL_UFO_SHADOW
@ ST_SMALL_UFO_SHADOW
Shadow of small UFO.
Definition: disaster_vehicle.h:20
GameSettings::difficulty
DifficultySettings difficulty
settings related to the difficulty
Definition: settings_type.h:586
HasBit
static bool HasBit(const T x, const uint8 y)
Checks if a bit in a value is set.
Definition: bitmath_func.hpp:103
INVALID_TILE
static constexpr TileIndex INVALID_TILE
The very nice invalid tile marker.
Definition: tile_type.h:108
SND_12_EXPLOSION
@ SND_12_EXPLOSION
16 == 0x10 Destruction, crashes, disasters, ...
Definition: sound_type.h:55
TileIndex
The index/ID of a Tile.
Definition: tile_type.h:85
MP_RAILWAY
@ MP_RAILWAY
A railway.
Definition: tile_type.h:49
Year
int32 Year
Type for the year, note: 0 based, i.e. starts at the year 0.
Definition: date_type.h:18
aircraft.h
TILE_SIZE
static const uint TILE_SIZE
Tile size in world coordinates.
Definition: tile_type.h:15
DisasterVehicle::UpdatePosition
void UpdatePosition(int x, int y, int z)
Update the position of the vehicle.
Definition: disaster_vehicle.cpp:181
_settings_client
ClientSettings _settings_client
The current settings for this game.
Definition: settings.cpp:53
MP_INDUSTRY
@ MP_INDUSTRY
Part of an industry.
Definition: tile_type.h:56
TRANSPORT_WATER
@ TRANSPORT_WATER
Transport over water.
Definition: transport_type.h:29
town.h
TileY
static uint TileY(TileIndex tile)
Get the Y component of a tile.
Definition: map_func.h:215
RandomRange
static uint32 RandomRange(uint32 limit)
Pick a random number between 0 and limit - 1, inclusive.
Definition: random_func.hpp:81
DisasterTick_Big_Ufo_Destroyer
static bool DisasterTick_Big_Ufo_Destroyer(DisasterVehicle *v)
Skyranger destroying (Big) Ufo handling, v->current_order.dest states: 0: Home in on landed Ufo and s...
Definition: disaster_vehicle.cpp:601
EV_EXPLOSION_SMALL
@ EV_EXPLOSION_SMALL
Various explosions.
Definition: effectvehicle_func.h:24
DisasterSubType
DisasterSubType
Different sub types of disaster vehicles.
Definition: disaster_vehicle.h:16
VEH_ROAD
@ VEH_ROAD
Road vehicle type.
Definition: vehicle_type.h:25
Vehicle
Vehicle data structure.
Definition: vehicle_base.h:224
Industry
Defines the internal data of a functional industry.
Definition: industry.h:66
TILE_MASK
#define TILE_MASK(x)
'Wraps' the given tile to it is within the map.
Definition: map_func.h:26
Vehicle::owner
Owner owner
Which company owns the vehicle?
Definition: vehicle_base.h:288
EV_EXPLOSION_LARGE
@ EV_EXPLOSION_LARGE
Various explosions.
Definition: effectvehicle_func.h:22
DC_EXEC
@ DC_EXEC
execute the given command
Definition: command_type.h:357
ST_BIG_SUBMARINE
@ ST_BIG_SUBMARINE
Big submarine, pops up in the oceans but doesn't do anything.
Definition: disaster_vehicle.h:31
IsRailDepot
static bool IsRailDepot(TileIndex t)
Is this rail tile a rail depot?
Definition: rail_map.h:95
AT_LARGE
@ AT_LARGE
Large airport.
Definition: airport.h:30
SetDParam
static void SetDParam(uint n, uint64 v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings_func.h:196
Disaster_Zeppeliner_Init
static void Disaster_Zeppeliner_Init()
Zeppeliner which crashes on a small airport if one found, otherwise crashes on a random tile.
Definition: disaster_vehicle.cpp:705
EnsureNoVehicleOnGround
CommandCost EnsureNoVehicleOnGround(TileIndex tile)
Ensure there is no vehicle at the ground at the given position.
Definition: vehicle.cpp:539
SETBITS
#define SETBITS(x, y)
Sets several bits in a variable.
Definition: bitmath_func.hpp:136
ResetIndustryConstructionStage
static void ResetIndustryConstructionStage(TileIndex tile)
Reset the construction stage counter of the industry, as well as the completion bit.
Definition: industry_map.h:187
TileX
static uint TileX(TileIndex tile)
Get the X component of a tile.
Definition: map_func.h:205
GetTileTrackStatus
TrackStatus GetTileTrackStatus(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
Returns information about trackdirs and signal states.
Definition: landscape.cpp:601
effectvehicle_func.h
SpecializedStation< Station, false >::Iterate
static Pool::IterateWrapper< Station > Iterate(size_t from=0)
Returns an iterable ensemble of all valid stations of type T.
Definition: base_station_base.h:269
ai.hpp
SpriteID
uint32 SpriteID
The number of a sprite, without mapping bits and colourtables.
Definition: gfx_type.h:17
MapSizeX
static uint MapSizeX()
Get the size of the map along the X.
Definition: map_func.h:72
Disaster_CoalMine_Init
static void Disaster_CoalMine_Init()
Coal mine catastrophe, destroys a stretch of 30 tiles of land in a certain direction.
Definition: disaster_vehicle.cpp:856
Disaster
Definition: disaster_vehicle.cpp:883
DifficultySettings::disasters
bool disasters
are disasters enabled
Definition: settings_type.h:93
INDUSTRYBEH_AIRPLANE_ATTACKS
@ INDUSTRYBEH_AIRPLANE_ATTACKS
can be exploded by a military airplane (oil refinery)
Definition: industrytype.h:74
Vehicle::breakdown_ctr
byte breakdown_ctr
Counter for managing breakdown events.
Definition: vehicle_base.h:278
VS_HIDDEN
@ VS_HIDDEN
Vehicle is not visible.
Definition: vehicle_base.h:34
landscape_cmd.h
ST_AIRPLANE
@ ST_AIRPLANE
Airplane destroying an oil refinery.
Definition: disaster_vehicle.h:21
Vehicle::dest_tile
TileIndex dest_tile
Heading for this tile.
Definition: vehicle_base.h:252
DirToDiagDir
static DiagDirection DirToDiagDir(Direction dir)
Convert a Direction to a DiagDirection.
Definition: direction_func.h:166
MapSize
static uint MapSize()
Get the size of the map.
Definition: map_func.h:92
AI::NewEvent
static void NewEvent(CompanyID company, ScriptEvent *event)
Queue a new event for an AI.
Definition: ai_core.cpp:236
TileAddWrap
TileIndex TileAddWrap(TileIndex tile, int addx, int addy)
This function checks if we add addx/addy to tile, if we do wrap around the edges.
Definition: map.cpp:114
Industry::location
TileArea location
Location of the industry.
Definition: industry.h:67
ST_ZEPPELINER
@ ST_ZEPPELINER
Zeppelin, crashes at airports.
Definition: disaster_vehicle.h:17
ClientSettings::sound
SoundSettings sound
sound effect settings
Definition: settings_type.h:607
DIRDIFF_90LEFT
@ DIRDIFF_90LEFT
Angle of 90 degrees left.
Definition: direction_type.h:67
Industry::type
IndustryType type
type of industry.
Definition: industry.h:83
TileIndexDiff
int32 TileIndexDiff
An offset value between two tiles.
Definition: map_func.h:154
Vehicle::tile
TileIndex tile
Current tile index.
Definition: vehicle_base.h:245
TrackStatusToTrackBits
static TrackBits TrackStatusToTrackBits(TrackStatus ts)
Returns the present-track-information of a TrackStatus.
Definition: track_func.h:362
Order::SetDestination
void SetDestination(DestinationID destination)
Sets the destination of this order.
Definition: order_base.h:111
ST_BIG_UFO_SHADOW
@ ST_BIG_UFO_SHADOW
Shadow of the big UFO.
Definition: disaster_vehicle.h:27
Disaster_Helicopter_Init
static void Disaster_Helicopter_Init()
Combat helicopter that destroys a factory.
Definition: disaster_vehicle.cpp:771
SpecializedVehicle
Class defining several overloaded accessors so we don't have to cast vehicle types that often.
Definition: vehicle_base.h:1063
DisasterVehicle::Tick
bool Tick()
Calls the tick handler of the vehicle.
Definition: disaster_vehicle.cpp:693
Vehicle::current_order
Order current_order
The current order (+ status, like: loading)
Definition: vehicle_base.h:333
Station::airport
Airport airport
Tile area the airport covers.
Definition: station_base.h:468
DIR_NE
@ DIR_NE
Northeast.
Definition: direction_type.h:27
Vehicle::IsFrontEngine
bool IsFrontEngine() const
Check if the vehicle is a front engine.
Definition: vehicle_base.h:913
DisasterTick_Aircraft
static bool DisasterTick_Aircraft(DisasterVehicle *v, uint16 image_override, bool leave_at_top, StringID news_message, IndustryBehaviour industry_flag)
Aircraft handling, v->current_order.dest states: 0: Fly towards the targeted industry 1: If within 15...
Definition: disaster_vehicle.cpp:423
_settings_game
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition: settings.cpp:54
Disaster_Small_Ufo_Init
static void Disaster_Small_Ufo_Init()
Ufo which flies around aimlessly from the middle of the map a bit until it locates a road vehicle whi...
Definition: disaster_vehicle.cpp:730
GetAircraftFlightLevelBounds
void GetAircraftFlightLevelBounds(const Vehicle *v, int *min, int *max)
Get the 'flight level' bounds, in pixels from 'z_pos' 0 for a particular vehicle for normal flight si...
Definition: aircraft_cmd.cpp:717
SpecializedVehicle< RoadVehicle, Type >::Get
static RoadVehicle * Get(size_t index)
Gets vehicle with given index.
Definition: vehicle_base.h:1164
Game::NewEvent
static void NewEvent(class ScriptEvent *event)
Queue a new event for a Game Script.
Definition: game_core.cpp:146
RoadVehicle::Crash
uint Crash(bool flooded=false) override
Crash the (whole) vehicle chain.
Definition: roadveh_cmd.cpp:529
industry.h
safeguards.h
EV_CRASH_SMOKE
@ EV_CRASH_SMOKE
Smoke of disasters.
Definition: effectvehicle_func.h:21
IsValidTile
static bool IsValidTile(TileIndex tile)
Checks if a tile is valid.
Definition: tile_map.h:161
Airport::flags
uint64 flags
stores which blocks on the airport are taken. was 16 bit earlier on, then 32
Definition: station_base.h:305
ConstructionSettings::freeform_edges
bool freeform_edges
allow terraforming the tiles at the map edges
Definition: settings_type.h:354
RandomTile
#define RandomTile()
Get a valid random tile.
Definition: map_func.h:435
DisasterVehicle::UpdateDeltaXY
void UpdateDeltaXY()
Updates the x and y offsets and the size of the sprite used for this vehicle.
Definition: disaster_vehicle.cpp:970
SoundSettings::disaster
bool disaster
Play disaster and accident sounds.
Definition: settings_type.h:218
DiagDirection
DiagDirection
Enumeration for diagonal directions.
Definition: direction_type.h:77
MapSizeY
static uint MapSizeY()
Get the size of the map along the Y.
Definition: map_func.h:82
TRACK_BIT_ALL
@ TRACK_BIT_ALL
All possible tracks.
Definition: track_type.h:53
CreateEffectVehicleRel
EffectVehicle * CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicleType type)
Create an effect vehicle above a particular vehicle.
Definition: effectvehicle.cpp:638
date_func.h
stdafx.h
Company::IsHumanID
static bool IsHumanID(size_t index)
Is this company a company not controlled by a NoAI program?
Definition: company_base.h:162
Vehicle::sprite_cache
MutableSpriteCache sprite_cache
Cache of sprites and values related to recalculating them, see MutableSpriteCache.
Definition: vehicle_base.h:347
ReleaseDisastersTargetingIndustry
void ReleaseDisastersTargetingIndustry(IndustryID i)
Marks all disasters targeting this industry in such a way they won't call Industry::Get(v->dest_tile)...
Definition: disaster_vehicle.cpp:939
Vehicle::y_offs
int8 y_offs
y offset for vehicle sprite
Definition: vehicle_base.h:301
viewport_func.h
IsTileType
static bool IsTileType(TileIndex tile, TileType type)
Checks if a tile is a given tiletype.
Definition: tile_map.h:150
DisasterVehicle
Disasters, like submarines, skyrangers and their shadows, belong to this class.
Definition: disaster_vehicle.h:37
GetTileOwner
static Owner GetTileOwner(TileIndex tile)
Returns the owner of a tile.
Definition: tile_map.h:178
Vehicle::direction
Direction direction
facing
Definition: vehicle_base.h:286
MP_TREES
@ MP_TREES
Tile got trees.
Definition: tile_type.h:52
Industry::town
Town * town
Nearest town.
Definition: industry.h:68
ST_HELICOPTER_SHADOW
@ ST_HELICOPTER_SHADOW
Shadow of helicopter.
Definition: disaster_vehicle.h:24
ST_SMALL_SUBMARINE
@ ST_SMALL_SUBMARINE
Small submarine, pops up in the oceans but doesn't do anything.
Definition: disaster_vehicle.h:30
DisasterTick_Big_Ufo
static bool DisasterTick_Big_Ufo(DisasterVehicle *v)
(Big) Ufo handling, v->current_order.dest states: 0: Fly around to the middle of the map,...
Definition: disaster_vehicle.cpp:516
Vehicle::x_extent
byte x_extent
x-extent of vehicle bounding box
Definition: vehicle_base.h:295
StringID
uint32 StringID
Numeric value that represents a string, independent of the selected language.
Definition: strings_type.h:16
ST_BIG_UFO_DESTROYER_SHADOW
@ ST_BIG_UFO_DESTROYER_SHADOW
Shadow of the aircraft.
Definition: disaster_vehicle.h:29
_current_company
CompanyID _current_company
Company currently doing an action.
Definition: company_cmd.cpp:47
vehicle_func.h
NT_ACCIDENT
@ NT_ACCIDENT
An accident or disaster has occurred.
Definition: news_type.h:24
station_base.h
Clamp
static T Clamp(const T a, const T min, const T max)
Clamp a value between an interval.
Definition: math_func.hpp:77
Pool::PoolItem<&_vehicle_pool >::Iterate
static Pool::IterateWrapper< Titem > Iterate(size_t from=0)
Returns an iterable ensemble of all valid Titem.
Definition: pool_type.hpp:386
strings_func.h
DisasterTick_Helicopter_Rotors
static bool DisasterTick_Helicopter_Rotors(DisasterVehicle *v)
Helicopter rotor blades; keep these spinning.
Definition: disaster_vehicle.cpp:497
ST_AIRPLANE_SHADOW
@ ST_AIRPLANE_SHADOW
Shadow of airplane.
Definition: disaster_vehicle.h:22
DisasterTick_Ufo
static bool DisasterTick_Ufo(DisasterVehicle *v)
(Small) Ufo handling, v->current_order.dest states: 0: Fly around to the middle of the map,...
Definition: disaster_vehicle.cpp:314
Vehicle::tick_counter
byte tick_counter
Increased by one for each tick.
Definition: vehicle_base.h:329
MapMaxY
static uint MapMaxY()
Gets the maximum Y coordinate within the map, including MP_VOID.
Definition: map_func.h:111
TileXY
static TileIndex TileXY(uint x, uint y)
Returns the TileIndex of a coordinate.
Definition: map_func.h:163
Vehicle::x_offs
int8 x_offs
x offset for vehicle sprite
Definition: vehicle_base.h:300
Backup::Restore
void Restore()
Restore the variable.
Definition: backup_type.hpp:112
Vehicle::z_extent
byte z_extent
z-extent of vehicle bounding box
Definition: vehicle_base.h:297
ST_HELICOPTER
@ ST_HELICOPTER
Helicopter destroying a factory.
Definition: disaster_vehicle.h:23
IsWaterTile
static bool IsWaterTile(TileIndex t)
Is it a water tile with plain water?
Definition: water_map.h:195
OrthogonalTileArea::tile
TileIndex tile
The base tile of the area.
Definition: tilearea_type.h:19
GetIndustryIndex
static IndustryID GetIndustryIndex(TileIndex t)
Get the industry ID of the given tile.
Definition: industry_map.h:63
MarkTileDirtyByTile
void MarkTileDirtyByTile(TileIndex tile, int bridge_level_offset, int tile_height_override)
Mark a tile given by its index dirty for repaint.
Definition: viewport.cpp:1998
ReleaseDisastersTargetingVehicle
void ReleaseDisastersTargetingVehicle(VehicleID vehicle)
Notify disasters that we are about to delete a vehicle.
Definition: disaster_vehicle.cpp:954
OWNER_NONE
@ OWNER_NONE
The tile has no ownership.
Definition: company_type.h:25
TileDiffXY
static TileIndexDiff TileDiffXY(int x, int y)
Calculates an offset for the given coordinate(-offset).
Definition: map_func.h:179
GetNewVehiclePosResult
Position information of a vehicle after it moved.
Definition: vehicle_func.h:75
Vehicle::age
Date age
Age in days.
Definition: vehicle_base.h:273
SpecializedStation< Station, false >::GetByTile
static Station * GetByTile(TileIndex tile)
Get the station belonging to a specific tile.
Definition: base_station_base.h:237
GetStationIndex
static StationID GetStationIndex(TileIndex t)
Get StationID from a tile.
Definition: station_map.h:28
Pool::PoolItem<&_vehicle_pool >::CanAllocateItem
static bool CanAllocateItem(size_t n=1)
Helper functions so we can use PoolItem::Function() instead of _poolitem_pool.Function()
Definition: pool_type.hpp:307
RoadVehicle::crashed_ctr
uint16 crashed_ctr
Animation counter when the vehicle has crashed.
Definition: roadveh.h:114
DIRDIFF_90RIGHT
@ DIRDIFF_90RIGHT
Angle of 90 degrees right.
Definition: direction_type.h:65
CreateEffectVehicleAbove
EffectVehicle * CreateEffectVehicleAbove(int x, int y, int z, EffectVehicleType type)
Create an effect vehicle above a particular location.
Definition: effectvehicle.cpp:622
company_func.h
SpecializedVehicle< RoadVehicle, Type >::Iterate
static Pool::IterateWrapper< RoadVehicle > Iterate(size_t from=0)
Returns an iterable ensemble of all valid vehicles of type T.
Definition: vehicle_base.h:1252
MapMaxX
static uint MapMaxX()
Gets the maximum X coordinate within the map, including MP_VOID.
Definition: map_func.h:102
Vehicle::breakdown_delay
byte breakdown_delay
Counter for managing breakdown length.
Definition: vehicle_base.h:279
Disaster::min_year
Year min_year
The first year this disaster will occur.
Definition: disaster_vehicle.cpp:885
VehicleID
uint32 VehicleID
The type all our vehicle IDs have.
Definition: vehicle_type.h:16
TrackBits
TrackBits
Bitfield corresponding to Track.
Definition: track_type.h:38
Vehicle::subtype
byte subtype
subtype (Filled with values from AircraftSubType/DisasterSubType/EffectVehicleType/GroundVehicleSubty...
Definition: vehicle_base.h:342
CommandHelper
Definition: command_func.h:94
VS_UNCLICKABLE
@ VS_UNCLICKABLE
Vehicle is not clickable by the user (shadow vehicles).
Definition: vehicle_base.h:36
IndustrySpec::behaviour
IndustryBehaviour behaviour
How this industry will behave, and how others entities can use it.
Definition: industrytype.h:125
lengthof
#define lengthof(x)
Return the length of an fixed size array.
Definition: stdafx.h:386
Town
Town data structure.
Definition: town.h:50
ST_HELICOPTER_ROTORS
@ ST_HELICOPTER_ROTORS
Rotors of helicopter.
Definition: disaster_vehicle.h:25
random_func.hpp
IsPlainRailTile
static bool IsPlainRailTile(TileIndex t)
Checks whether the tile is a rail tile or rail tile with signals.
Definition: rail_map.h:60
_disaster_delay
uint16 _disaster_delay
Delay counter for considering the next disaster.
Definition: disaster_vehicle.cpp:55
INDUSTRYBEH_CHOPPER_ATTACKS
@ INDUSTRYBEH_CHOPPER_ATTACKS
can be exploded by a military helicopter (factory)
Definition: industrytype.h:75
GameSettings::construction
ConstructionSettings construction
construction of things in-game
Definition: settings_type.h:588
GetIndustrySpec
const IndustrySpec * GetIndustrySpec(IndustryType thistype)
Accessor for array _industry_specs.
Definition: industry_cmd.cpp:123
ST_BIG_UFO_DESTROYER
@ ST_BIG_UFO_DESTROYER
Aircraft the will bomb the big UFO.
Definition: disaster_vehicle.h:28
GetTileType
static TileType GetTileType(TileIndex tile)
Get the tiletype of a given tile.
Definition: tile_map.h:96
IndustryBehaviour
IndustryBehaviour
Various industry behaviours mostly to represent original TTD specialities.
Definition: industrytype.h:61
BaseVehicle::type
VehicleType type
Type of vehicle.
Definition: vehicle_type.h:52
ST_BIG_UFO
@ ST_BIG_UFO
Big UFO, finds a piece of railroad to "park" on.
Definition: disaster_vehicle.h:26
Vehicle::UpdatePositionAndViewport
void UpdatePositionAndViewport()
Update the position of the vehicle, and update the viewport.
Definition: vehicle.cpp:1681
Vehicle::UpdatePosition
void UpdatePosition()
Update the position of the vehicle.
Definition: vehicle.cpp:1610
GetNewVehiclePosResult::y
int y
x and y position of the vehicle after moving
Definition: vehicle_func.h:76
ST_ZEPPELINER_SHADOW
@ ST_ZEPPELINER_SHADOW
Shadow of the zeppelin.
Definition: disaster_vehicle.h:18
disaster_vehicle.h
AT_SMALL
@ AT_SMALL
Small airport.
Definition: airport.h:29
DisasterVehicle::DisasterVehicle
DisasterVehicle()
For use by saveload.
Definition: disaster_vehicle.h:43
DisasterTick_Helicopter
static bool DisasterTick_Helicopter(DisasterVehicle *v)
Helicopter handling.
Definition: disaster_vehicle.cpp:491
OWNER_WATER
@ OWNER_WATER
The tile/execution is done by "water".
Definition: company_type.h:26
CLRBITS
#define CLRBITS(x, y)
Clears several bits in a variable.
Definition: bitmath_func.hpp:166
Disaster::init_proc
DisasterInitProc * init_proc
The init function for this disaster.
Definition: disaster_vehicle.cpp:884
VS_SHADOW
@ VS_SHADOW
Vehicle is a shadow vehicle.
Definition: vehicle_base.h:39
Disaster::max_year
Year max_year
The last year this disaster will occur.
Definition: disaster_vehicle.cpp:886
ST_SMALL_UFO
@ ST_SMALL_UFO
Small UFO, tries to find a road vehicle to destroy.
Definition: disaster_vehicle.h:19
Delta
static T Delta(const T a, const T b)
Returns the (absolute) difference between two (scalar) variables.
Definition: math_func.hpp:170
GetNewVehiclePos
GetNewVehiclePosResult GetNewVehiclePos(const Vehicle *v)
Get position information of a vehicle when moving one pixel in the direction it is facing.
Definition: vehicle.cpp:1701
TileVirtXY
static TileIndex TileVirtXY(uint x, uint y)
Get a tile from the virtual XY-coordinate.
Definition: map_func.h:194
news_func.h
roadveh.h
ROTOR_Z_OFFSET
static const int ROTOR_Z_OFFSET
Z Offset between helicopter- and rotorsprite.
Definition: aircraft.h:50
Industry::TileBelongsToIndustry
bool TileBelongsToIndustry(TileIndex tile) const
Check if a given tile belongs to this industry.
Definition: industry.h:117
backup_type.hpp