1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "functions.h"

     6

#include "industry_map.h"

     7

#include "station_map.h"

     8

#include "table/strings.h"

     9

#include "map.h"

    10

#include "tile.h"

    11

#include "vehicle.h"

    12

#include "command.h"

    13

#include "news.h"

    14

#include "station.h"

    15

#include "waypoint.h"

    16

#include "town.h"

    17

#include "industry.h"

    18

#include "player.h"

    19

#include "airport.h"

    20

#include "sound.h"

    21

#include "variables.h"

    22

#include "table/sprites.h"

    23

#include "date.h"

    24

    25

static void DisasterClearSquare(TileIndex tile)

    26

{

    27

	if (!EnsureNoVehicle(tile)) return;

    28

    29

	switch (GetTileType(tile)) {

    30

		case MP_RAILWAY:

    31

			if (IsHumanPlayer(GetTileOwner(tile)) && !IsRailWaypoint(tile)) {

    32

				PlayerID p = _current_player;

    33

				_current_player = OWNER_WATER;

    34

				DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);

    35

				_current_player = p;

    36

			}

    37

			break;

    38

    39

		case MP_HOUSE: {

    40

			PlayerID p = _current_player;

    41

			_current_player = OWNER_NONE;

    42

			DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);

    43

			_current_player = p;

    44

			break;

    45

		}

    46

    47

		case MP_TREES:

    48

		case MP_CLEAR:

    49

			DoClearSquare(tile);

    50

			break;

    51

    52

		default:

    53

			break;

    54

	}

    55

}

    56

    57

static const SpriteID _disaster_images_1[] = {0xF41, 0xF41, 0xF41, 0xF41, 0xF41, 0xF41, 0xF41, 0xF41};

    58

static const SpriteID _disaster_images_2[] = {0xF44, 0xF44, 0xF44, 0xF44, 0xF44, 0xF44, 0xF44, 0xF44};

    59

static const SpriteID _disaster_images_3[] = {0xF4E, 0xF4E, 0xF4E, 0xF4E, 0xF4E, 0xF4E, 0xF4E, 0xF4E};

    60

static const SpriteID _disaster_images_4[] = {0xF46, 0xF46, 0xF47, 0xF47, 0xF48, 0xF48, 0xF49, 0xF49};

    61

static const SpriteID _disaster_images_5[] = {0xF4A, 0xF4A, 0xF4B, 0xF4B, 0xF4C, 0xF4C, 0xF4D, 0xF4D};

    62

static const SpriteID _disaster_images_6[] = {0xF50, 0xF50, 0xF50, 0xF50, 0xF50, 0xF50, 0xF50, 0xF50};

    63

static const SpriteID _disaster_images_7[] = {0xF51, 0xF51, 0xF51, 0xF51, 0xF51, 0xF51, 0xF51, 0xF51};

    64

static const SpriteID _disaster_images_8[] = {0xF52, 0xF52, 0xF52, 0xF52, 0xF52, 0xF52, 0xF52, 0xF52};

    65

static const SpriteID _disaster_images_9[] = {0xF3E, 0xF3E, 0xF3E, 0xF3E, 0xF3E, 0xF3E, 0xF3E, 0xF3E};

    66

    67

static const SpriteID * const _disaster_images[] = {

    68

	_disaster_images_1, _disaster_images_1,

    69

	_disaster_images_2, _disaster_images_2,

    70

	_disaster_images_3, _disaster_images_3,

    71

	_disaster_images_8, _disaster_images_8, _disaster_images_9,

    72

	_disaster_images_6, _disaster_images_6,

    73

	_disaster_images_7, _disaster_images_7,

    74

	_disaster_images_4, _disaster_images_5,

    75

};

    76

    77

static void DisasterVehicleUpdateImage(Vehicle *v)

    78

{

    79

	int img = v->u.disaster.image_override;

    80

	if (img == 0)

    81

		img = _disaster_images[v->subtype][v->direction];

    82

	v->cur_image = img;

    83

}

    84

    85

static void InitializeDisasterVehicle(Vehicle* v, int x, int y, byte z, Direction direction, byte subtype)

    86

{

    87

	v->type = VEH_Disaster;

    88

	v->x_pos = x;

    89

	v->y_pos = y;

    90

	v->z_pos = z;

    91

	v->tile = TileVirtXY(x, y);

    92

	v->direction = direction;

    93

	v->subtype = subtype;

    94

	v->x_offs = -1;

    95

	v->y_offs = -1;

    96

	v->sprite_width = 2;

    97

	v->sprite_height = 2;

    98

	v->z_height = 5;

    99

	v->owner = OWNER_NONE;

   100

	v->vehstatus = VS_UNCLICKABLE;

   101

	v->u.disaster.image_override = 0;

   102

	v->current_order.type = OT_NOTHING;

   103

	v->current_order.flags = 0;

   104

	v->current_order.dest = 0;

   105

   106

	DisasterVehicleUpdateImage(v);

   107

	VehiclePositionChanged(v);

   108

	BeginVehicleMove(v);

   109

	EndVehicleMove(v);

   110

}

   111

   112

static void DeleteDisasterVeh(Vehicle *v)

   113

{

   114

	DeleteVehicleChain(v);

   115

}

   116

   117

static void SetDisasterVehiclePos(Vehicle *v, int x, int y, byte z)

   118

{

   119

	Vehicle *u;

   120

   121

	BeginVehicleMove(v);

   122

	v->x_pos = x;

   123

	v->y_pos = y;

   124

	v->z_pos = z;

   125

	v->tile = TileVirtXY(x, y);

   126

   127

	DisasterVehicleUpdateImage(v);

   128

	VehiclePositionChanged(v);

   129

	EndVehicleMove(v);

   130

   131

	if ( (u=v->next) != NULL) {

   132

		int safe_x = clamp(x, 0, MapMaxX() * TILE_SIZE);

   133

		int safe_y = clamp(y - 1, 0, MapMaxY() * TILE_SIZE);

   134

		BeginVehicleMove(u);

   135

   136

		u->x_pos = x;

   137

		u->y_pos = y - 1 - (max(z - GetSlopeZ(safe_x, safe_y), 0) >> 3);

   138

		safe_y = clamp(u->y_pos, 0, MapMaxY() * TILE_SIZE);

   139

		u->z_pos = GetSlopeZ(safe_x, safe_y);

   140

		u->direction = v->direction;

   141

   142

		DisasterVehicleUpdateImage(u);

   143

		VehiclePositionChanged(u);

   144

		EndVehicleMove(u);

   145

   146

		if ( (u=u->next) != NULL) {

   147

			BeginVehicleMove(u);

   148

			u->x_pos = x;

   149

			u->y_pos = y;

   150

			u->z_pos = z + 5;

   151

			VehiclePositionChanged(u);

   152

			EndVehicleMove(u);

   153

		}

   154

	}

   155

}

   156

   157

   158

static void DisasterTick_Zeppeliner(Vehicle *v)

   159

{

   160

	GetNewVehiclePosResult gp;

   161

	Station *st;

   162

	int x,y;

   163

	byte z;

   164

	TileIndex tile;

   165

   166

	++v->tick_counter;

   167

   168

	if (v->current_order.dest < 2) {

   169

		if (v->tick_counter&1)

   170

			return;

   171

   172

		GetNewVehiclePos(v, &gp);

   173

   174

		SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);

   175

   176

		if (v->current_order.dest == 1) {

   177

			if (++v->age == 38) {

   178

				v->current_order.dest = 2;

   179

				v->age = 0;

   180

			}

   181

   182

			if ((v->tick_counter&7)==0) {

   183

				CreateEffectVehicleRel(v, 0, -17, 2, EV_SMOKE);

   184

			}

   185

		} else if (v->current_order.dest == 0) {

   186

			tile = v->tile; /**/

   187

   188

			if (IsValidTile(tile) &&

   189

					IsTileType(tile, MP_STATION) &&

   190

					IsAirport(tile) &&

   191

					IsHumanPlayer(GetTileOwner(tile))) {

   192

				v->current_order.dest = 1;

   193

				v->age = 0;

   194

   195

				SetDParam(0, GetStationIndex(tile));

   196

				AddNewsItem(STR_B000_ZEPPELIN_DISASTER_AT,

   197

					NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),

   198

					v->index,

   199

					0);

   200

			}

   201

		}

   202

		if (v->y_pos >= ((int)MapSizeY() + 9) * TILE_SIZE - 1)

   203

			DeleteDisasterVeh(v);

   204

		return;

   205

	}

   206

   207

	if (v->current_order.dest > 2) {

   208

		if (++v->age <= 13320)

   209

			return;

   210

   211

		tile = v->tile; /**/

   212

   213

		if (IsValidTile(tile) &&

   214

				IsTileType(tile, MP_STATION) &&

   215

				IsAirport(tile) &&

   216

				IsHumanPlayer(GetTileOwner(tile))) {

   217

			st = GetStationByTile(tile);

   218

			CLRBITS(st->airport_flags, RUNWAY_IN_block);

   219

		}

   220

   221

		SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos);

   222

		DeleteDisasterVeh(v);

   223

		return;

   224

	}

   225

   226

	x = v->x_pos;

   227

	y = v->y_pos;

   228

	z = GetSlopeZ(x,y);

   229

	if (z < v->z_pos)

   230

		z = v->z_pos - 1;

   231

	SetDisasterVehiclePos(v, x, y, z);

   232

   233

	if (++v->age == 1) {

   234

		CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);

   235

		SndPlayVehicleFx(SND_12_EXPLOSION, v);

   236

		v->u.disaster.image_override = SPR_BLIMP_CRASHING;

   237

	} else if (v->age == 70) {

   238

		v->u.disaster.image_override = SPR_BLIMP_CRASHED;

   239

	} else if (v->age <= 300) {

   240

		if (!(v->tick_counter&7)) {

   241

			uint32 r = Random();

   242

   243

			CreateEffectVehicleRel(v,

   244

				GB(r, 0, 4) - 7,

   245

				GB(r, 4, 4) - 7,

   246

				GB(r, 8, 3) + 5,

   247

				EV_EXPLOSION_SMALL);

   248

		}

   249

	} else if (v->age == 350) {

   250

		v->current_order.dest = 3;

   251

		v->age = 0;

   252

	}

   253

   254

	tile = v->tile;/**/

   255

	if (IsValidTile(tile) &&

   256

			IsTileType(tile, MP_STATION) &&

   257

			IsAirport(tile) &&

   258

			IsHumanPlayer(GetTileOwner(tile))) {

   259

		st = GetStationByTile(tile);

   260

		SETBITS(st->airport_flags, RUNWAY_IN_block);

   261

	}

   262

}

   263

   264

// UFO starts in the middle, and flies around a bit until it locates

   265

// a road vehicle which it targets.

   266

static void DisasterTick_UFO(Vehicle *v)

   267

{

   268

	GetNewVehiclePosResult gp;

   269

	Vehicle *u;

   270

	uint dist;

   271

	byte z;

   272

   273

	v->u.disaster.image_override = (++v->tick_counter & 8) ? SPR_UFO_SMALL_SCOUT_DARKER : SPR_UFO_SMALL_SCOUT;

   274

   275

	if (v->current_order.dest == 0) {

   276

// fly around randomly

   277

		int x = TileX(v->dest_tile) * TILE_SIZE;

   278

		int y = TileY(v->dest_tile) * TILE_SIZE;

   279

		if (abs(x - v->x_pos) + abs(y - v->y_pos) >= TILE_SIZE) {

   280

			v->direction = GetDirectionTowards(v, x, y);

   281

			GetNewVehiclePos(v, &gp);

   282

			SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);

   283

			return;

   284

		}

   285

		if (++v->age < 6) {

   286

			v->dest_tile = RandomTile();

   287

			return;

   288

		}

   289

		v->current_order.dest = 1;

   290

   291

		FOR_ALL_VEHICLES(u) {

   292

			if (u->type == VEH_Road && IsHumanPlayer(u->owner)) {

   293

				v->dest_tile = u->index;

   294

				v->age = 0;

   295

				return;

   296

			}

   297

		}

   298

   299

		DeleteDisasterVeh(v);

   300

	} else {

   301

// target a vehicle

   302

		u = GetVehicle(v->dest_tile);

   303

		if (u->type != VEH_Road) {

   304

			DeleteDisasterVeh(v);

   305

			return;

   306

		}

   307

   308

		dist = abs(v->x_pos - u->x_pos) + abs(v->y_pos - u->y_pos);

   309

   310

		if (dist < TILE_SIZE && !(u->vehstatus&VS_HIDDEN) && u->breakdown_ctr==0) {

   311

			u->breakdown_ctr = 3;

   312

			u->breakdown_delay = 140;

   313

		}

   314

   315

		v->direction = GetDirectionTowards(v, u->x_pos, u->y_pos);

   316

		GetNewVehiclePos(v, &gp);

   317

   318

		z = v->z_pos;

   319

		if (dist <= TILE_SIZE && z > u->z_pos) z--;

   320

		SetDisasterVehiclePos(v, gp.x, gp.y, z);

   321

   322

		if (z <= u->z_pos && (u->vehstatus&VS_HIDDEN)==0) {

   323

			v->age++;

   324

			if (u->u.road.crashed_ctr == 0) {

   325

				u->u.road.crashed_ctr++;

   326

				u->vehstatus |= VS_CRASHED;

   327

   328

				AddNewsItem(STR_B001_ROAD_VEHICLE_DESTROYED,

   329

					NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),

   330

					u->index,

   331

					0);

   332

			}

   333

		}

   334

   335

// destroy?

   336

		if (v->age > 50) {

   337

			CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);

   338

			SndPlayVehicleFx(SND_12_EXPLOSION, v);

   339

			DeleteDisasterVeh(v);

   340

		}

   341

	}

   342

}

   343

   344

static void DestructIndustry(Industry *i)

   345

{

   346

	TileIndex tile;

   347

   348

	for (tile = 0; tile != MapSize(); tile++) {

   349

		if (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == i->index) {

   350

			ResetIndustryConstructionStage(tile);

   351

			MarkTileDirtyByTile(tile);

   352

		}

   353

	}

   354

}

   355

   356

// Airplane which destroys an oil refinery

   357

static void DisasterTick_2(Vehicle *v)

   358

{

   359

	GetNewVehiclePosResult gp;

   360

   361

	v->tick_counter++;

   362

	v->u.disaster.image_override =

   363

		(v->current_order.dest == 1 && v->tick_counter & 4) ? SPR_F_15_FIRING : 0;

   364

   365

	GetNewVehiclePos(v, &gp);

   366

	SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);

   367

   368

	if (gp.x < -160) {

   369

		DeleteDisasterVeh(v);

   370

		return;

   371

	}

   372

   373

	if (v->current_order.dest == 2) {

   374

		if (!(v->tick_counter&3)) {

   375

			Industry *i = GetIndustry(v->dest_tile);

   376

			int x = TileX(i->xy) * TILE_SIZE;

   377

			int y = TileY(i->xy) * TILE_SIZE;

   378

			uint32 r = Random();

   379

   380

			CreateEffectVehicleAbove(

   381

				GB(r,  0, 6) + x,

   382

				GB(r,  6, 6) + y,

   383

				GB(r, 12, 4),

   384

				EV_EXPLOSION_SMALL);

   385

   386

			if (++v->age >= 55)

   387

				v->current_order.dest = 3;

   388

		}

   389

	} else if (v->current_order.dest == 1) {

   390

		if (++v->age == 112) {

   391

			Industry *i;

   392

   393

			v->current_order.dest = 2;

   394

			v->age = 0;

   395

   396

			i = GetIndustry(v->dest_tile);

   397

			DestructIndustry(i);

   398

   399

			SetDParam(0, i->town->index);

   400

			AddNewsItem(STR_B002_OIL_REFINERY_EXPLOSION, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);

   401

			SndPlayTileFx(SND_12_EXPLOSION, i->xy);

   402

		}

   403

	} else if (v->current_order.dest == 0) {

   404

		int x,y;

   405

		TileIndex tile;

   406

		uint ind;

   407

   408

		x = v->x_pos - 15 * TILE_SIZE;

   409

		y = v->y_pos;

   410

   411

		if ( (uint)x > MapMaxX() * TILE_SIZE - 1)

   412

			return;

   413

   414

		tile = TileVirtXY(x, y);

   415

		if (!IsTileType(tile, MP_INDUSTRY))

   416

			return;

   417

   418

		ind = GetIndustryIndex(tile);

   419

		v->dest_tile = ind;

   420

   421

		if (GetIndustry(ind)->type == IT_OIL_REFINERY) {

   422

			v->current_order.dest = 1;

   423

			v->age = 0;

   424

		}

   425

	}

   426

}

   427

   428

// Helicopter which destroys a factory

   429

static void DisasterTick_3(Vehicle *v)

   430

{

   431

	GetNewVehiclePosResult gp;

   432

   433

	v->tick_counter++;

   434

	v->u.disaster.image_override =

   435

		(v->current_order.dest == 1 && v->tick_counter & 4) ? SPR_AH_64A_FIRING : 0;

   436

   437

	GetNewVehiclePos(v, &gp);

   438

	SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);

   439

   440

	if (gp.x > (int)MapSizeX() * TILE_SIZE + 9 * TILE_SIZE - 1) {

   441

		DeleteDisasterVeh(v);

   442

		return;

   443

	}

   444

   445

	if (v->current_order.dest == 2) {

   446

		if (!(v->tick_counter&3)) {

   447

			Industry *i = GetIndustry(v->dest_tile);

   448

			int x = TileX(i->xy) * TILE_SIZE;

   449

			int y = TileY(i->xy) * TILE_SIZE;

   450

			uint32 r = Random();

   451

   452

			CreateEffectVehicleAbove(

   453

				GB(r,  0, 6) + x,

   454

				GB(r,  6, 6) + y,

   455

				GB(r, 12, 4),

   456

				EV_EXPLOSION_SMALL);

   457

   458

			if (++v->age >= 55)

   459

				v->current_order.dest = 3;

   460

		}

   461

	} else if (v->current_order.dest == 1) {

   462

		if (++v->age == 112) {

   463

			Industry *i;

   464

   465

			v->current_order.dest = 2;

   466

			v->age = 0;

   467

   468

			i = GetIndustry(v->dest_tile);

   469

			DestructIndustry(i);

   470

   471

			SetDParam(0, i->town->index);

   472

			AddNewsItem(STR_B003_FACTORY_DESTROYED_IN_SUSPICIOUS, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);

   473

			SndPlayTileFx(SND_12_EXPLOSION, i->xy);

   474

		}

   475

	} else if (v->current_order.dest == 0) {

   476

		int x,y;

   477

		TileIndex tile;

   478

		uint ind;

   479

   480

		x = v->x_pos - 15 * TILE_SIZE;

   481

		y = v->y_pos;

   482

   483

		if ( (uint)x > MapMaxX() * TILE_SIZE - 1)

   484

			return;

   485

   486

		tile = TileVirtXY(x, y);

   487

		if (!IsTileType(tile, MP_INDUSTRY))

   488

			return;

   489

   490

		ind = GetIndustryIndex(tile);

   491

		v->dest_tile = ind;

   492

   493

		if (GetIndustry(ind)->type == IT_FACTORY) {

   494

			v->current_order.dest = 1;

   495

			v->age = 0;

   496

		}

   497

	}

   498

}

   499

   500

// Helicopter rotor blades

   501

static void DisasterTick_3b(Vehicle *v)

   502

{

   503