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00027 #include "stdafx.h"
00028
00029 #include "industry.h"
00030 #include "station_base.h"
00031 #include "command_func.h"
00032 #include "news_func.h"
00033 #include "town.h"
00034 #include "company_func.h"
00035 #include "strings_func.h"
00036 #include "date_func.h"
00037 #include "viewport_func.h"
00038 #include "vehicle_func.h"
00039 #include "sound_func.h"
00040 #include "effectvehicle_func.h"
00041 #include "roadveh.h"
00042 #include "ai/ai.hpp"
00043 #include "game/game.hpp"
00044 #include "company_base.h"
00045 #include "core/random_func.hpp"
00046 #include "core/backup_type.hpp"
00047
00048 #include "table/strings.h"
00049
00051 uint16 _disaster_delay;
00052
00053 enum DisasterSubType {
00054 ST_ZEPPELINER,
00055 ST_ZEPPELINER_SHADOW,
00056 ST_SMALL_UFO,
00057 ST_SMALL_UFO_SHADOW,
00058 ST_AIRPLANE,
00059 ST_AIRPLANE_SHADOW,
00060 ST_HELICOPTER,
00061 ST_HELICOPTER_SHADOW,
00062 ST_HELICOPTER_ROTORS,
00063 ST_BIG_UFO,
00064 ST_BIG_UFO_SHADOW,
00065 ST_BIG_UFO_DESTROYER,
00066 ST_BIG_UFO_DESTROYER_SHADOW,
00067 ST_SMALL_SUBMARINE,
00068 ST_BIG_SUBMARINE,
00069 };
00070
00071 static const uint INITIAL_DISASTER_VEHICLE_ZPOS = 135;
00072
00073 static void DisasterClearSquare(TileIndex tile)
00074 {
00075 if (EnsureNoVehicleOnGround(tile).Failed()) return;
00076
00077 switch (GetTileType(tile)) {
00078 case MP_RAILWAY:
00079 if (Company::IsHumanID(GetTileOwner(tile))) {
00080 Backup<CompanyByte> cur_company(_current_company, OWNER_WATER, FILE_LINE);
00081 DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
00082 cur_company.Restore();
00083
00084
00085 UpdateSignalsInBuffer();
00086 }
00087 break;
00088
00089 case MP_HOUSE: {
00090 Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
00091 DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
00092 cur_company.Restore();
00093 break;
00094 }
00095
00096 case MP_TREES:
00097 case MP_CLEAR:
00098 DoClearSquare(tile);
00099 break;
00100
00101 default:
00102 break;
00103 }
00104 }
00105
00106 static const SpriteID _disaster_images_1[] = {SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP, SPR_BLIMP};
00107 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};
00108 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};
00109 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};
00110 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};
00111 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};
00112 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};
00113 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};
00114 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};
00115
00116 static const SpriteID * const _disaster_images[] = {
00117 _disaster_images_1, _disaster_images_1,
00118 _disaster_images_2, _disaster_images_2,
00119 _disaster_images_3, _disaster_images_3,
00120 _disaster_images_8, _disaster_images_8, _disaster_images_9,
00121 _disaster_images_6, _disaster_images_6,
00122 _disaster_images_7, _disaster_images_7,
00123 _disaster_images_4, _disaster_images_5,
00124 };
00125
00126 static void DisasterVehicleUpdateImage(DisasterVehicle *v)
00127 {
00128 SpriteID img = v->image_override;
00129 if (img == 0) img = _disaster_images[v->subtype][v->direction];
00130 v->cur_image = img;
00131 }
00132
00137 static void InitializeDisasterVehicle(DisasterVehicle *v, int x, int y, int z, Direction direction, byte subtype)
00138 {
00139 v->x_pos = x;
00140 v->y_pos = y;
00141 v->z_pos = z;
00142 v->tile = TileVirtXY(x, y);
00143 v->direction = direction;
00144 v->subtype = subtype;
00145 v->UpdateDeltaXY(INVALID_DIR);
00146 v->owner = OWNER_NONE;
00147 v->vehstatus = VS_UNCLICKABLE;
00148 v->image_override = 0;
00149 v->current_order.Free();
00150
00151 DisasterVehicleUpdateImage(v);
00152 VehicleUpdatePositionAndViewport(v);
00153 }
00154
00155 static void SetDisasterVehiclePos(DisasterVehicle *v, int x, int y, int z)
00156 {
00157 v->x_pos = x;
00158 v->y_pos = y;
00159 v->z_pos = z;
00160 v->tile = TileVirtXY(x, y);
00161
00162 DisasterVehicleUpdateImage(v);
00163 VehicleUpdatePositionAndViewport(v);
00164
00165 DisasterVehicle *u = v->Next();
00166 if (u != NULL) {
00167 int safe_x = Clamp(x, 0, MapMaxX() * TILE_SIZE);
00168 int safe_y = Clamp(y - 1, 0, MapMaxY() * TILE_SIZE);
00169
00170 u->x_pos = x;
00171 u->y_pos = y - 1 - (max(z - GetSlopePixelZ(safe_x, safe_y), 0) >> 3);
00172 safe_y = Clamp(u->y_pos, 0, MapMaxY() * TILE_SIZE);
00173 u->z_pos = GetSlopePixelZ(safe_x, safe_y);
00174 u->direction = v->direction;
00175
00176 DisasterVehicleUpdateImage(u);
00177 VehicleUpdatePositionAndViewport(u);
00178
00179 if ((u = u->Next()) != NULL) {
00180 u->x_pos = x;
00181 u->y_pos = y;
00182 u->z_pos = z + 5;
00183 VehicleUpdatePositionAndViewport(u);
00184 }
00185 }
00186 }
00187
00196 static bool DisasterTick_Zeppeliner(DisasterVehicle *v)
00197 {
00198 v->tick_counter++;
00199
00200 if (v->current_order.GetDestination() < 2) {
00201 if (HasBit(v->tick_counter, 0)) return true;
00202
00203 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00204
00205 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00206
00207 if (v->current_order.GetDestination() == 1) {
00208 if (++v->age == 38) {
00209 v->current_order.SetDestination(2);
00210 v->age = 0;
00211 }
00212
00213 if (GB(v->tick_counter, 0, 3) == 0) CreateEffectVehicleRel(v, 0, -17, 2, EV_CRASH_SMOKE);
00214
00215 } else if (v->current_order.GetDestination() == 0) {
00216 if (IsValidTile(v->tile) && IsAirportTile(v->tile)) {
00217 v->current_order.SetDestination(1);
00218 v->age = 0;
00219
00220 SetDParam(0, GetStationIndex(v->tile));
00221 AddVehicleNewsItem(STR_NEWS_DISASTER_ZEPPELIN,
00222 NS_ACCIDENT,
00223 v->index);
00224 AI::NewEvent(GetTileOwner(v->tile), new ScriptEventDisasterZeppelinerCrashed(GetStationIndex(v->tile)));
00225 }
00226 }
00227
00228 if (v->y_pos >= (int)((MapSizeY() + 9) * TILE_SIZE - 1)) {
00229 delete v;
00230 return false;
00231 }
00232
00233 return true;
00234 }
00235
00236 if (v->current_order.GetDestination() > 2) {
00237 if (++v->age <= 13320) return true;
00238
00239 if (IsValidTile(v->tile) && IsAirportTile(v->tile)) {
00240 Station *st = Station::GetByTile(v->tile);
00241 CLRBITS(st->airport.flags, RUNWAY_IN_block);
00242 AI::NewEvent(GetTileOwner(v->tile), new ScriptEventDisasterZeppelinerCleared(st->index));
00243 }
00244
00245 SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos);
00246 delete v;
00247 return false;
00248 }
00249
00250 int x = v->x_pos;
00251 int y = v->y_pos;
00252 int z = GetSlopePixelZ(x, y);
00253 if (z < v->z_pos) z = v->z_pos - 1;
00254 SetDisasterVehiclePos(v, x, y, z);
00255
00256 if (++v->age == 1) {
00257 CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);
00258 SndPlayVehicleFx(SND_12_EXPLOSION, v);
00259 v->image_override = SPR_BLIMP_CRASHING;
00260 } else if (v->age == 70) {
00261 v->image_override = SPR_BLIMP_CRASHED;
00262 } else if (v->age <= 300) {
00263 if (GB(v->tick_counter, 0, 3) == 0) {
00264 uint32 r = Random();
00265
00266 CreateEffectVehicleRel(v,
00267 GB(r, 0, 4) - 7,
00268 GB(r, 4, 4) - 7,
00269 GB(r, 8, 3) + 5,
00270 EV_EXPLOSION_SMALL);
00271 }
00272 } else if (v->age == 350) {
00273 v->current_order.SetDestination(3);
00274 v->age = 0;
00275 }
00276
00277 if (IsValidTile(v->tile) && IsAirportTile(v->tile)) {
00278 SETBITS(Station::GetByTile(v->tile)->airport.flags, RUNWAY_IN_block);
00279 }
00280
00281 return true;
00282 }
00283
00290 static bool DisasterTick_Ufo(DisasterVehicle *v)
00291 {
00292 v->image_override = (HasBit(++v->tick_counter, 3)) ? SPR_UFO_SMALL_SCOUT_DARKER : SPR_UFO_SMALL_SCOUT;
00293
00294 if (v->current_order.GetDestination() == 0) {
00295
00296 int x = TileX(v->dest_tile) * TILE_SIZE;
00297 int y = TileY(v->dest_tile) * TILE_SIZE;
00298 if (Delta(x, v->x_pos) + Delta(y, v->y_pos) >= (int)TILE_SIZE) {
00299 v->direction = GetDirectionTowards(v, x, y);
00300 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00301 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00302 return true;
00303 }
00304 if (++v->age < 6) {
00305 v->dest_tile = RandomTile();
00306 return true;
00307 }
00308 v->current_order.SetDestination(1);
00309
00310 uint n = 0;
00311 RoadVehicle *u;
00312 FOR_ALL_ROADVEHICLES(u) {
00313 if (u->IsFrontEngine()) n++;
00314 }
00315
00316 if (n == 0) {
00317
00318 delete v;
00319 return false;
00320 }
00321
00322 n = RandomRange(n);
00323 FOR_ALL_ROADVEHICLES(u) {
00324
00325 if (u->IsFrontEngine() && (n-- == 0)) break;
00326 }
00327
00328
00329 v->dest_tile = u->index;
00330 v->age = 0;
00331 return true;
00332 } else {
00333
00334 RoadVehicle *u = RoadVehicle::Get(v->dest_tile);
00335 assert(u != NULL && u->type == VEH_ROAD && u->IsFrontEngine());
00336
00337 uint dist = Delta(v->x_pos, u->x_pos) + Delta(v->y_pos, u->y_pos);
00338
00339 if (dist < TILE_SIZE && !(u->vehstatus & VS_HIDDEN) && u->breakdown_ctr == 0) {
00340 u->breakdown_ctr = 3;
00341 u->breakdown_delay = 140;
00342 }
00343
00344 v->direction = GetDirectionTowards(v, u->x_pos, u->y_pos);
00345 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00346
00347 int z = v->z_pos;
00348 if (dist <= TILE_SIZE && z > u->z_pos) z--;
00349 SetDisasterVehiclePos(v, gp.x, gp.y, z);
00350
00351 if (z <= u->z_pos && (u->vehstatus & VS_HIDDEN) == 0) {
00352 v->age++;
00353 if (u->crashed_ctr == 0) {
00354 u->Crash();
00355
00356 AddVehicleNewsItem(STR_NEWS_DISASTER_SMALL_UFO,
00357 NS_ACCIDENT,
00358 u->index);
00359
00360 AI::NewEvent(u->owner, new ScriptEventVehicleCrashed(u->index, u->tile, ScriptEventVehicleCrashed::CRASH_RV_UFO));
00361 Game::NewEvent(new ScriptEventVehicleCrashed(u->index, u->tile, ScriptEventVehicleCrashed::CRASH_RV_UFO));
00362 }
00363 }
00364
00365
00366 if (v->age > 50) {
00367 CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);
00368 SndPlayVehicleFx(SND_12_EXPLOSION, v);
00369 delete v;
00370 return false;
00371 }
00372 }
00373
00374 return true;
00375 }
00376
00377 static void DestructIndustry(Industry *i)
00378 {
00379 for (TileIndex tile = 0; tile != MapSize(); tile++) {
00380 if (i->TileBelongsToIndustry(tile)) {
00381 ResetIndustryConstructionStage(tile);
00382 MarkTileDirtyByTile(tile);
00383 }
00384 }
00385 }
00386
00400 static bool DisasterTick_Aircraft(DisasterVehicle *v, uint16 image_override, bool leave_at_top, StringID news_message, IndustryBehaviour industry_flag)
00401 {
00402 v->tick_counter++;
00403 v->image_override = (v->current_order.GetDestination() == 1 && HasBit(v->tick_counter, 2)) ? image_override : 0;
00404
00405 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00406 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00407
00408 if ((leave_at_top && gp.x < (-10 * (int)TILE_SIZE)) || (!leave_at_top && gp.x > (int)(MapSizeX() * TILE_SIZE + 9 * TILE_SIZE) - 1)) {
00409 delete v;
00410 return false;
00411 }
00412
00413 if (v->current_order.GetDestination() == 2) {
00414 if (GB(v->tick_counter, 0, 2) == 0) {
00415 Industry *i = Industry::Get(v->dest_tile);
00416 int x = TileX(i->location.tile) * TILE_SIZE;
00417 int y = TileY(i->location.tile) * TILE_SIZE;
00418 uint32 r = Random();
00419
00420 CreateEffectVehicleAbove(
00421 GB(r, 0, 6) + x,
00422 GB(r, 6, 6) + y,
00423 GB(r, 12, 4),
00424 EV_EXPLOSION_SMALL);
00425
00426 if (++v->age >= 55) v->current_order.SetDestination(3);
00427 }
00428 } else if (v->current_order.GetDestination() == 1) {
00429 if (++v->age == 112) {
00430 v->current_order.SetDestination(2);
00431 v->age = 0;
00432
00433 Industry *i = Industry::Get(v->dest_tile);
00434 DestructIndustry(i);
00435
00436 SetDParam(0, i->town->index);
00437 AddIndustryNewsItem(news_message, NS_ACCIDENT, i->index);
00438 SndPlayTileFx(SND_12_EXPLOSION, i->location.tile);
00439 }
00440 } else if (v->current_order.GetDestination() == 0) {
00441 int x = v->x_pos + ((leave_at_top ? -15 : 15) * TILE_SIZE);
00442 int y = v->y_pos;
00443
00444 if ((uint)x > MapMaxX() * TILE_SIZE - 1) return true;
00445
00446 TileIndex tile = TileVirtXY(x, y);
00447 if (!IsTileType(tile, MP_INDUSTRY)) return true;
00448
00449 IndustryID ind = GetIndustryIndex(tile);
00450 v->dest_tile = ind;
00451
00452 if (GetIndustrySpec(Industry::Get(ind)->type)->behaviour & industry_flag) {
00453 v->current_order.SetDestination(1);
00454 v->age = 0;
00455 }
00456 }
00457
00458 return true;
00459 }
00460
00462 static bool DisasterTick_Airplane(DisasterVehicle *v)
00463 {
00464 return DisasterTick_Aircraft(v, SPR_F_15_FIRING, true, STR_NEWS_DISASTER_AIRPLANE_OIL_REFINERY, INDUSTRYBEH_AIRPLANE_ATTACKS);
00465 }
00466
00468 static bool DisasterTick_Helicopter(DisasterVehicle *v)
00469 {
00470 return DisasterTick_Aircraft(v, SPR_AH_64A_FIRING, false, STR_NEWS_DISASTER_HELICOPTER_FACTORY, INDUSTRYBEH_CHOPPER_ATTACKS);
00471 }
00472
00474 static bool DisasterTick_Helicopter_Rotors(DisasterVehicle *v)
00475 {
00476 v->tick_counter++;
00477 if (HasBit(v->tick_counter, 0)) return true;
00478
00479 if (++v->cur_image > SPR_ROTOR_MOVING_3) v->cur_image = SPR_ROTOR_MOVING_1;
00480
00481 VehicleUpdatePositionAndViewport(v);
00482
00483 return true;
00484 }
00485
00492 static bool DisasterTick_Big_Ufo(DisasterVehicle *v)
00493 {
00494 v->tick_counter++;
00495
00496 if (v->current_order.GetDestination() == 1) {
00497 int x = TileX(v->dest_tile) * TILE_SIZE + TILE_SIZE / 2;
00498 int y = TileY(v->dest_tile) * TILE_SIZE + TILE_SIZE / 2;
00499 if (Delta(v->x_pos, x) + Delta(v->y_pos, y) >= 8) {
00500 v->direction = GetDirectionTowards(v, x, y);
00501
00502 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00503 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00504 return true;
00505 }
00506
00507 if (!IsValidTile(v->dest_tile)) {
00508
00509 delete v;
00510 return false;
00511 }
00512
00513 int z = GetSlopePixelZ(v->x_pos, v->y_pos);
00514 if (z < v->z_pos) {
00515 SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos - 1);
00516 return true;
00517 }
00518
00519 v->current_order.SetDestination(2);
00520
00521 Vehicle *target;
00522 FOR_ALL_VEHICLES(target) {
00523 if (target->IsGroundVehicle()) {
00524 if (Delta(target->x_pos, v->x_pos) + Delta(target->y_pos, v->y_pos) <= 12 * (int)TILE_SIZE) {
00525 target->breakdown_ctr = 5;
00526 target->breakdown_delay = 0xF0;
00527 }
00528 }
00529 }
00530
00531 Town *t = ClosestTownFromTile(v->dest_tile, UINT_MAX);
00532 SetDParam(0, t->index);
00533 AddNewsItem(STR_NEWS_DISASTER_BIG_UFO,
00534 NS_ACCIDENT,
00535 NR_TILE,
00536 v->tile);
00537
00538 if (!Vehicle::CanAllocateItem(2)) {
00539 delete v;
00540 return false;
00541 }
00542 DisasterVehicle *u = new DisasterVehicle();
00543
00544 InitializeDisasterVehicle(u, -6 * (int)TILE_SIZE, v->y_pos, INITIAL_DISASTER_VEHICLE_ZPOS, DIR_SW, ST_BIG_UFO_DESTROYER);
00545 u->big_ufo_destroyer_target = v->index;
00546
00547 DisasterVehicle *w = new DisasterVehicle();
00548
00549 u->SetNext(w);
00550 InitializeDisasterVehicle(w, -6 * (int)TILE_SIZE, v->y_pos, 0, DIR_SW, ST_BIG_UFO_DESTROYER_SHADOW);
00551 w->vehstatus |= VS_SHADOW;
00552 } else if (v->current_order.GetDestination() == 0) {
00553 int x = TileX(v->dest_tile) * TILE_SIZE;
00554 int y = TileY(v->dest_tile) * TILE_SIZE;
00555 if (Delta(x, v->x_pos) + Delta(y, v->y_pos) >= (int)TILE_SIZE) {
00556 v->direction = GetDirectionTowards(v, x, y);
00557 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00558 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00559 return true;
00560 }
00561
00562 if (++v->age < 6) {
00563 v->dest_tile = RandomTile();
00564 return true;
00565 }
00566 v->current_order.SetDestination(1);
00567
00568 TileIndex tile_org = RandomTile();
00569 TileIndex tile = tile_org;
00570 do {
00571 if (IsPlainRailTile(tile) &&
00572 Company::IsHumanID(GetTileOwner(tile))) {
00573 break;
00574 }
00575 tile = TILE_MASK(tile + 1);
00576 } while (tile != tile_org);
00577 v->dest_tile = tile;
00578 v->age = 0;
00579 }
00580
00581 return true;
00582 }
00583
00588 static bool DisasterTick_Big_Ufo_Destroyer(DisasterVehicle *v)
00589 {
00590 v->tick_counter++;
00591
00592 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00593 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00594
00595 if (gp.x > (int)(MapSizeX() * TILE_SIZE + 9 * TILE_SIZE) - 1) {
00596 delete v;
00597 return false;
00598 }
00599
00600 if (v->current_order.GetDestination() == 0) {
00601 Vehicle *u = Vehicle::Get(v->big_ufo_destroyer_target);
00602 if (Delta(v->x_pos, u->x_pos) > (int)TILE_SIZE) return true;
00603 v->current_order.SetDestination(1);
00604
00605 CreateEffectVehicleRel(u, 0, 7, 8, EV_EXPLOSION_LARGE);
00606 SndPlayVehicleFx(SND_12_EXPLOSION, u);
00607
00608 delete u;
00609
00610 for (int i = 0; i != 80; i++) {
00611 uint32 r = Random();
00612 CreateEffectVehicleAbove(
00613 GB(r, 0, 6) + v->x_pos - 32,
00614 GB(r, 5, 6) + v->y_pos - 32,
00615 0,
00616 EV_EXPLOSION_SMALL);
00617 }
00618
00619 for (int dy = -3; dy < 3; dy++) {
00620 for (int dx = -3; dx < 3; dx++) {
00621 TileIndex tile = TileAddWrap(v->tile, dx, dy);
00622 if (tile != INVALID_TILE) DisasterClearSquare(tile);
00623 }
00624 }
00625 }
00626
00627 return true;
00628 }
00629
00634 static bool DisasterTick_Submarine(DisasterVehicle *v)
00635 {
00636 v->tick_counter++;
00637
00638 if (++v->age > 8880) {
00639 delete v;
00640 return false;
00641 }
00642
00643 if (!HasBit(v->tick_counter, 0)) return true;
00644
00645 TileIndex tile = v->tile + TileOffsByDiagDir(DirToDiagDir(v->direction));
00646 if (IsValidTile(tile)) {
00647 TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
00648 if (trackbits == TRACK_BIT_ALL && !Chance16(1, 90)) {
00649 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00650 SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
00651 return true;
00652 }
00653 }
00654
00655 v->direction = ChangeDir(v->direction, GB(Random(), 0, 1) ? DIRDIFF_90RIGHT : DIRDIFF_90LEFT);
00656
00657 return true;
00658 }
00659
00660
00661 static bool DisasterTick_NULL(DisasterVehicle *v)
00662 {
00663 return true;
00664 }
00665
00666 typedef bool DisasterVehicleTickProc(DisasterVehicle *v);
00667
00668 static DisasterVehicleTickProc * const _disastervehicle_tick_procs[] = {
00669 DisasterTick_Zeppeliner, DisasterTick_NULL,
00670 DisasterTick_Ufo, DisasterTick_NULL,
00671 DisasterTick_Airplane, DisasterTick_NULL,
00672 DisasterTick_Helicopter, DisasterTick_NULL, DisasterTick_Helicopter_Rotors,
00673 DisasterTick_Big_Ufo, DisasterTick_NULL, DisasterTick_Big_Ufo_Destroyer,
00674 DisasterTick_NULL,
00675 DisasterTick_Submarine,
00676 DisasterTick_Submarine,
00677 };
00678
00679
00680 bool DisasterVehicle::Tick()
00681 {
00682 return _disastervehicle_tick_procs[this->subtype](this);
00683 }
00684
00685 typedef void DisasterInitProc();
00686
00687
00692 static void Disaster_Zeppeliner_Init()
00693 {
00694 if (!Vehicle::CanAllocateItem(2)) return;
00695
00696
00697 int x = TileX(Random()) * TILE_SIZE + TILE_SIZE / 2;
00698
00699 Station *st;
00700 FOR_ALL_STATIONS(st) {
00701 if (st->airport.tile != INVALID_TILE && (st->airport.type == AT_SMALL || st->airport.type == AT_LARGE)) {
00702 x = (TileX(st->airport.tile) + 2) * TILE_SIZE;
00703 break;
00704 }
00705 }
00706
00707 DisasterVehicle *v = new DisasterVehicle();
00708 InitializeDisasterVehicle(v, x, 0, INITIAL_DISASTER_VEHICLE_ZPOS, DIR_SE, ST_ZEPPELINER);
00709
00710
00711 DisasterVehicle *u = new DisasterVehicle();
00712 v->SetNext(u);
00713 InitializeDisasterVehicle(u, x, 0, 0, DIR_SE, ST_ZEPPELINER_SHADOW);
00714 u->vehstatus |= VS_SHADOW;
00715 }
00716
00717
00722 static void Disaster_Small_Ufo_Init()
00723 {
00724 if (!Vehicle::CanAllocateItem(2)) return;
00725
00726 DisasterVehicle *v = new DisasterVehicle();
00727 int x = TileX(Random()) * TILE_SIZE + TILE_SIZE / 2;
00728
00729 InitializeDisasterVehicle(v, x, 0, INITIAL_DISASTER_VEHICLE_ZPOS, DIR_SE, ST_SMALL_UFO);
00730 v->dest_tile = TileXY(MapSizeX() / 2, MapSizeY() / 2);
00731 v->age = 0;
00732
00733
00734 DisasterVehicle *u = new DisasterVehicle();
00735 v->SetNext(u);
00736 InitializeDisasterVehicle(u, x, 0, 0, DIR_SE, ST_SMALL_UFO_SHADOW);
00737 u->vehstatus |= VS_SHADOW;
00738 }
00739
00740
00741
00742 static void Disaster_Airplane_Init()
00743 {
00744 if (!Vehicle::CanAllocateItem(2)) return;
00745
00746 Industry *i, *found = NULL;
00747
00748 FOR_ALL_INDUSTRIES(i) {
00749 if ((GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_AIRPLANE_ATTACKS) &&
00750 (found == NULL || Chance16(1, 2))) {
00751 found = i;
00752 }
00753 }
00754
00755 if (found == NULL) return;
00756
00757 DisasterVehicle *v = new DisasterVehicle();
00758
00759
00760 int x = (MapSizeX() + 9) * TILE_SIZE - 1;
00761 int y = TileY(found->location.tile) * TILE_SIZE + 37;
00762
00763 InitializeDisasterVehicle(v, x, y, INITIAL_DISASTER_VEHICLE_ZPOS, DIR_NE, ST_AIRPLANE);
00764
00765 DisasterVehicle *u = new DisasterVehicle();
00766 v->SetNext(u);
00767 InitializeDisasterVehicle(u, x, y, 0, DIR_SE, ST_AIRPLANE_SHADOW);
00768 u->vehstatus |= VS_SHADOW;
00769 }
00770
00771
00773 static void Disaster_Helicopter_Init()
00774 {
00775 if (!Vehicle::CanAllocateItem(3)) return;
00776
00777 Industry *i, *found = NULL;
00778
00779 FOR_ALL_INDUSTRIES(i) {
00780 if ((GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_CHOPPER_ATTACKS) &&
00781 (found == NULL || Chance16(1, 2))) {
00782 found = i;
00783 }
00784 }
00785
00786 if (found == NULL) return;
00787
00788 DisasterVehicle *v = new DisasterVehicle();
00789
00790 int x = -16 * (int)TILE_SIZE;
00791 int y = TileY(found->location.tile) * TILE_SIZE + 37;
00792
00793 InitializeDisasterVehicle(v, x, y, INITIAL_DISASTER_VEHICLE_ZPOS, DIR_SW, ST_HELICOPTER);
00794
00795 DisasterVehicle *u = new DisasterVehicle();
00796 v->SetNext(u);
00797 InitializeDisasterVehicle(u, x, y, 0, DIR_SW, ST_HELICOPTER_SHADOW);
00798 u->vehstatus |= VS_SHADOW;
00799
00800 DisasterVehicle *w = new DisasterVehicle();
00801 u->SetNext(w);
00802 InitializeDisasterVehicle(w, x, y, 140, DIR_SW, ST_HELICOPTER_ROTORS);
00803 }
00804
00805
00806
00807
00808 static void Disaster_Big_Ufo_Init()
00809 {
00810 if (!Vehicle::CanAllocateItem(2)) return;
00811
00812 DisasterVehicle *v = new DisasterVehicle();
00813 int x = TileX(Random()) * TILE_SIZE + TILE_SIZE / 2;
00814 int y = MapMaxX() * TILE_SIZE - 1;
00815
00816 InitializeDisasterVehicle(v, x, y, INITIAL_DISASTER_VEHICLE_ZPOS, DIR_NW, ST_BIG_UFO);
00817 v->dest_tile = TileXY(MapSizeX() / 2, MapSizeY() / 2);
00818 v->age = 0;
00819
00820
00821 DisasterVehicle *u = new DisasterVehicle();
00822 v->SetNext(u);
00823 InitializeDisasterVehicle(u, x, y, 0, DIR_NW, ST_BIG_UFO_SHADOW);
00824 u->vehstatus |= VS_SHADOW;
00825 }
00826
00827
00828 static void Disaster_Submarine_Init(DisasterSubType subtype)
00829 {
00830 if (!Vehicle::CanAllocateItem()) return;
00831
00832 int y;
00833 Direction dir;
00834 uint32 r = Random();
00835 int x = TileX(r) * TILE_SIZE + TILE_SIZE / 2;
00836
00837 if (HasBit(r, 31)) {
00838 y = MapMaxY() * TILE_SIZE - TILE_SIZE / 2 - 1;
00839 dir = DIR_NW;
00840 } else {
00841 y = TILE_SIZE / 2;
00842 if (_settings_game.construction.freeform_edges) y += TILE_SIZE;
00843 dir = DIR_SE;
00844 }
00845 if (!IsWaterTile(TileVirtXY(x, y))) return;
00846
00847 DisasterVehicle *v = new DisasterVehicle();
00848 InitializeDisasterVehicle(v, x, y, 0, dir, subtype);
00849 v->age = 0;
00850 }
00851
00852
00853 static void Disaster_Small_Submarine_Init()
00854 {
00855 Disaster_Submarine_Init(ST_SMALL_SUBMARINE);
00856 }
00857
00858
00859
00860 static void Disaster_Big_Submarine_Init()
00861 {
00862 Disaster_Submarine_Init(ST_BIG_SUBMARINE);
00863 }
00864
00865
00870 static void Disaster_CoalMine_Init()
00871 {
00872 int index = GB(Random(), 0, 4);
00873 uint m;
00874
00875 for (m = 0; m < 15; m++) {
00876 const Industry *i;
00877
00878 FOR_ALL_INDUSTRIES(i) {
00879 if ((GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_CAN_SUBSIDENCE) && --index < 0) {
00880 SetDParam(0, i->town->index);
00881 AddNewsItem(STR_NEWS_DISASTER_COAL_MINE_SUBSIDENCE,
00882 NS_ACCIDENT, NR_TILE, i->location.tile + TileDiffXY(1, 1));
00883
00884 {
00885 TileIndex tile = i->location.tile;
00886 TileIndexDiff step = TileOffsByDiagDir((DiagDirection)GB(Random(), 0, 2));
00887
00888 for (uint n = 0; n < 30; n++) {
00889 DisasterClearSquare(tile);
00890 tile += step;
00891 if (!IsValidTile(tile)) break;
00892 }
00893 }
00894 return;
00895 }
00896 }
00897 }
00898 }
00899
00900 struct Disaster {
00901 DisasterInitProc *init_proc;
00902 Year min_year;
00903 Year max_year;
00904 };
00905
00906 static const Disaster _disasters[] = {
00907 {Disaster_Zeppeliner_Init, 1930, 1955},
00908 {Disaster_Small_Ufo_Init, 1940, 1970},
00909 {Disaster_Airplane_Init, 1960, 1990},
00910 {Disaster_Helicopter_Init, 1970, 2000},
00911 {Disaster_Big_Ufo_Init, 2000, 2100},
00912 {Disaster_Small_Submarine_Init, 1940, 1965},
00913 {Disaster_Big_Submarine_Init, 1975, 2010},
00914 {Disaster_CoalMine_Init, 1950, 1985},
00915 };
00916
00917 static void DoDisaster()
00918 {
00919 byte buf[lengthof(_disasters)];
00920
00921 byte j = 0;
00922 for (size_t i = 0; i != lengthof(_disasters); i++) {
00923 if (_cur_year >= _disasters[i].min_year && _cur_year < _disasters[i].max_year) buf[j++] = (byte)i;
00924 }
00925
00926 if (j == 0) return;
00927
00928 _disasters[buf[RandomRange(j)]].init_proc();
00929 }
00930
00931
00932 static void ResetDisasterDelay()
00933 {
00934 _disaster_delay = GB(Random(), 0, 9) + 730;
00935 }
00936
00937 void DisasterDailyLoop()
00938 {
00939 if (--_disaster_delay != 0) return;
00940
00941 ResetDisasterDelay();
00942
00943 if (_settings_game.difficulty.disasters != 0) DoDisaster();
00944 }
00945
00946 void StartupDisasters()
00947 {
00948 ResetDisasterDelay();
00949 }
00950
00956 void ReleaseDisastersTargetingIndustry(IndustryID i)
00957 {
00958 DisasterVehicle *v;
00959 FOR_ALL_DISASTERVEHICLES(v) {
00960
00961 if (v->subtype == ST_AIRPLANE || v->subtype == ST_HELICOPTER) {
00962
00963 if (v->current_order.GetDestination() > 0 && v->dest_tile == i) v->current_order.SetDestination(3);
00964 }
00965 }
00966 }
00967
00972 void ReleaseDisastersTargetingVehicle(VehicleID vehicle)
00973 {
00974 DisasterVehicle *v;
00975 FOR_ALL_DISASTERVEHICLES(v) {
00976
00977 if (v->subtype == ST_SMALL_UFO) {
00978 if (v->current_order.GetDestination() != 0 && v->dest_tile == vehicle) {
00979
00980 v->current_order.SetDestination(0);
00981 v->dest_tile = RandomTile();
00982 v->z_pos = INITIAL_DISASTER_VEHICLE_ZPOS;
00983 v->age = 0;
00984 }
00985 }
00986 }
00987 }
00988
00989 void DisasterVehicle::UpdateDeltaXY(Direction direction)
00990 {
00991 this->x_offs = -1;
00992 this->y_offs = -1;
00993 this->x_extent = 2;
00994 this->y_extent = 2;
00995 this->z_extent = 5;
00996 }