1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "industry_map.h"

     6

#include "station_map.h"

     7

#include "table/strings.h"

     8

#include "functions.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

    24

static void DisasterClearSquare(TileIndex tile)

    25

{

    26

	if (!EnsureNoVehicle(tile)) return;

    27

    28

	switch (GetTileType(tile)) {

    29

		case MP_RAILWAY:

    30

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

    31

				PlayerID p = _current_player;

    32

				_current_player = OWNER_WATER;

    33

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

    34

				_current_player = p;

    35

			}

    36

			break;

    37

    38

		case MP_HOUSE: {

    39

			PlayerID p = _current_player;

    40

			_current_player = OWNER_NONE;

    41

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

    42

			_current_player = p;

    43

			break;

    44

		}

    45

    46

		case MP_TREES:

    47

		case MP_CLEAR:

    48

			DoClearSquare(tile);

    49

			break;

    50

    51

		default:

    52

			break;

    53

	}

    54

}

    55

    56

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

    57

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

    58

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

    59

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

    60

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

    61

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

    62

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

    63

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

    64

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

    65

    66

static const SpriteID * const _disaster_images[] = {

    67

	_disaster_images_1,_disaster_images_1,

    68

	_disaster_images_2,_disaster_images_2,

    69

	_disaster_images_3,_disaster_images_3,

    70

	_disaster_images_8,_disaster_images_8,_disaster_images_9,

    71

	_disaster_images_6,_disaster_images_6,

    72

	_disaster_images_7,_disaster_images_7,

    73

	_disaster_images_4,_disaster_images_5,

    74

};

    75

    76

static void DisasterVehicleUpdateImage(Vehicle *v)

    77

{

    78

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

    79

	if (img == 0)

    80

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

    81

	v->cur_image = img;

    82

}

    83

    84

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

    85

{

    86

	v->type = VEH_Disaster;

    87

	v->x_pos = x;

    88

	v->y_pos = y;

    89

	v->z_pos = z;

    90

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

    91

	v->direction = direction;

    92

	v->subtype = subtype;

    93

	v->x_offs = -1;

    94

	v->y_offs = -1;

    95

	v->sprite_width = 2;

    96

	v->sprite_height = 2;

    97

	v->z_height = 5;

    98

	v->owner = OWNER_NONE;

    99

	v->vehstatus = VS_UNCLICKABLE;

   100

	v->u.disaster.image_override = 0;

   101

	v->current_order.type = OT_NOTHING;

   102

	v->current_order.flags = 0;

   103

	v->current_order.station = 0;

   104

   105

	DisasterVehicleUpdateImage(v);

   106

	VehiclePositionChanged(v);

   107

	BeginVehicleMove(v);

   108

	EndVehicleMove(v);

   109

}

   110

   111

static void DeleteDisasterVeh(Vehicle *v)

   112

{

   113

	DeleteVehicleChain(v);

   114

}

   115

   116

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

   117

{

   118

	Vehicle *u;

   119

	int yt;

   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

		BeginVehicleMove(u);

   133

   134

		u->x_pos = x;

   135

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

   136

		u->z_pos = GetSlopeZ(x,yt);

   137

		u->direction = v->direction;

   138

   139

		DisasterVehicleUpdateImage(u);

   140

		VehiclePositionChanged(u);

   141

		EndVehicleMove(u);

   142

   143

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

   144

			BeginVehicleMove(u);

   145

			u->x_pos = x;

   146

			u->y_pos = y;

   147

			u->z_pos = z + 5;

   148

			VehiclePositionChanged(u);

   149

			EndVehicleMove(u);

   150

		}

   151

	}

   152

}

   153

   154

   155

static void DisasterTick_Zeppeliner(Vehicle *v)

   156

{

   157

	GetNewVehiclePosResult gp;

   158

	Station *st;

   159

	int x,y;

   160

	byte z;

   161

	TileIndex tile;

   162

   163

	++v->tick_counter;

   164

   165

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

   166

		if (v->tick_counter&1)

   167

			return;

   168

   169

		GetNewVehiclePos(v, &gp);

   170

   171

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

   172

   173

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

   174

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

   175

				v->current_order.station = 2;

   176

				v->age = 0;

   177

			}

   178

   179

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

   180

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

   181

			}

   182

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

   183

			tile = v->tile; /**/

   184

   185

			if (IsValidTile(tile) &&

   186

					IsTileType(tile, MP_STATION) &&

   187

					IsAirport(tile) &&

   188

					IS_HUMAN_PLAYER(GetTileOwner(tile))) {

   189

				v->current_order.station = 1;

   190

				v->age = 0;

   191

   192

				SetDParam(0, GetStationIndex(tile));

   193

				AddNewsItem(STR_B000_ZEPPELIN_DISASTER_AT,

   194

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

   195

					v->index,

   196

					0);

   197

			}

   198

		}

   199

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

   200

			DeleteDisasterVeh(v);

   201

		return;

   202

	}

   203

   204

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

   205

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

   206

			return;

   207

   208

		tile = v->tile; /**/

   209

   210

		if (IsValidTile(tile) &&

   211

				IsTileType(tile, MP_STATION) &&

   212

				IsAirport(tile) &&

   213

				IS_HUMAN_PLAYER(GetTileOwner(tile))) {

   214

			st = GetStationByTile(tile);

   215

			CLRBITS(st->airport_flags, RUNWAY_IN_block);

   216

		}

   217

   218

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

   219

		DeleteDisasterVeh(v);

   220

		return;

   221

	}

   222

   223

	x = v->x_pos;

   224

	y = v->y_pos;

   225

	z = GetSlopeZ(x,y);

   226

	if (z < v->z_pos)

   227

		z = v->z_pos - 1;

   228

	SetDisasterVehiclePos(v, x, y, z);

   229

   230

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

   231

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

   232

		SndPlayVehicleFx(SND_12_EXPLOSION, v);

   233

		v->u.disaster.image_override = SPR_BLIMP_CRASHING;

   234

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

   235

		v->u.disaster.image_override = SPR_BLIMP_CRASHED;

   236

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

   237

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

   238

			uint32 r = Random();

   239

   240

			CreateEffectVehicleRel(v,

   241

				GB(r, 0, 4) - 7,

   242

				GB(r, 4, 4) - 7,

   243

				GB(r, 8, 3) + 5,

   244

				EV_EXPLOSION_SMALL);

   245

		}

   246

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

   247

		v->current_order.station = 3;

   248

		v->age = 0;

   249

	}

   250

   251

	tile = v->tile;/**/

   252

	if (IsValidTile(tile) &&

   253

			IsTileType(tile, MP_STATION) &&

   254

			IsAirport(tile) &&

   255

			IS_HUMAN_PLAYER(GetTileOwner(tile))) {

   256

		st = GetStationByTile(tile);

   257

		SETBITS(st->airport_flags, RUNWAY_IN_block);

   258

	}

   259

}

   260

   261

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

   262

// a road vehicle which it targets.

   263

static void DisasterTick_UFO(Vehicle *v)

   264

{

   265

	GetNewVehiclePosResult gp;

   266

	Vehicle *u;

   267

	uint dist;

   268

	byte z;

   269

   270

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

   271

   272

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

   273

// fly around randomly

   274

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

   275

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

   276

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

   277

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

   278

			GetNewVehiclePos(v, &gp);

   279

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

   280

			return;

   281

		}

   282

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

   283

			v->dest_tile = RandomTile();

   284

			return;

   285

		}

   286

		v->current_order.station = 1;

   287

   288

		FOR_ALL_VEHICLES(u) {

   289

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

   290

				v->dest_tile = u->index;

   291

				v->age = 0;

   292

				return;

   293

			}

   294

		}

   295

   296

		DeleteDisasterVeh(v);

   297

	} else {

   298

// target a vehicle

   299

		u = GetVehicle(v->dest_tile);

   300

		if (u->type != VEH_Road) {

   301

			DeleteDisasterVeh(v);

   302

			return;

   303

		}

   304

   305

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

   306

   307

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

   308

			u->breakdown_ctr = 3;

   309

			u->breakdown_delay = 140;

   310

		}

   311

   312

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

   313

		GetNewVehiclePos(v, &gp);

   314

   315

		z = v->z_pos;

   316

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

   317

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

   318

   319

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

   320

			v->age++;

   321

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

   322

				u->u.road.crashed_ctr++;

   323

				u->vehstatus |= VS_CRASHED;

   324

   325

				AddNewsItem(STR_B001_ROAD_VEHICLE_DESTROYED,

   326

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

   327

					u->index,

   328

					0);

   329

			}

   330

		}

   331

   332

// destroy?

   333

		if (v->age > 50) {

   334

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

   335

			SndPlayVehicleFx(SND_12_EXPLOSION, v);

   336

			DeleteDisasterVeh(v);

   337

		}

   338

	}

   339

}

   340

   341

static void DestructIndustry(Industry *i)

   342

{

   343

	TileIndex tile;

   344

   345

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

   346

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

   347

			ResetIndustryConstructionStage(tile);

   348

			MarkTileDirtyByTile(tile);

   349

		}

   350

	}

   351

}

   352

   353

// Airplane which destroys an oil refinery

   354

static void DisasterTick_2(Vehicle *v)

   355

{

   356

	GetNewVehiclePosResult gp;

   357

   358

	v->tick_counter++;

   359

	v->u.disaster.image_override =

   360

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

   361

   362

	GetNewVehiclePos(v, &gp);

   363

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

   364

   365

	if (gp.x < -160) {

   366

		DeleteDisasterVeh(v);

   367

		return;

   368

	}

   369

   370

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

   371

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

   372

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

   373

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

   374

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

   375

			uint32 r = Random();

   376

   377

			CreateEffectVehicleAbove(

   378

				GB(r,  0, 6) + x,

   379

				GB(r,  6, 6) + y,

   380

				GB(r, 12, 4),

   381

				EV_EXPLOSION_SMALL);

   382

   383

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

   384

				v->current_order.station = 3;

   385

		}

   386

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

   387

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

   388

			Industry *i;

   389

   390

			v->current_order.station = 2;

   391

			v->age = 0;

   392

   393

			i = GetIndustry(v->dest_tile);

   394

			DestructIndustry(i);

   395

   396

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

   397

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

   398

			SndPlayTileFx(SND_12_EXPLOSION, i->xy);

   399

		}

   400

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

   401

		int x,y;

   402

		TileIndex tile;

   403

		uint ind;

   404

   405

		x = v->x_pos - 15 * TILE_SIZE;

   406

		y = v->y_pos;

   407

   408

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

   409

			return;

   410

   411

		tile = TileVirtXY(x, y);

   412

		if (!IsTileType(tile, MP_INDUSTRY))

   413

			return;

   414

   415

		ind = GetIndustryIndex(tile);

   416

		v->dest_tile = ind;

   417

   418

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

   419

			v->current_order.station = 1;

   420

			v->age = 0;

   421

		}

   422

	}

   423

}

   424

   425

// Helicopter which destroys a factory

   426

static void DisasterTick_3(Vehicle *v)

   427

{

   428

	GetNewVehiclePosResult gp;

   429

   430

	v->tick_counter++;

   431

	v->u.disaster.image_override =

   432

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

   433

   434

	GetNewVehiclePos(v, &gp);

   435

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

   436

   437

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

   438

		DeleteDisasterVeh(v);

   439

		return;

   440

	}

   441

   442

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

   443

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

   444

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

   445

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

   446

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

   447

			uint32 r = Random();

   448

   449

			CreateEffectVehicleAbove(

   450

				GB(r,  0, 6) + x,

   451

				GB(r,  6, 6) + y,

   452

				GB(r, 12, 4),

   453

				EV_EXPLOSION_SMALL);

   454

   455

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

   456

				v->current_order.station = 3;

   457

		}

   458

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

   459

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

   460

			Industry *i;

   461

   462

			v->current_order.station = 2;

   463

			v->age = 0;

   464

   465

			i = GetIndustry(v->dest_tile);

   466

			DestructIndustry(i);

   467

   468

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

   469

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

   470

			SndPlayTileFx(SND_12_EXPLOSION, i->xy);

   471

		}

   472

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

   473

		int x,y;

   474

		TileIndex tile;

   475

		uint ind;

   476

   477

		x = v->x_pos - 15 * TILE_SIZE;

   478

		y = v->y_pos;

   479

   480

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

   481

			return;

   482

   483

		tile = TileVirtXY(x, y);

   484

		if (!IsTileType(tile, MP_INDUSTRY))

   485

			return;

   486

   487

		ind = GetIndustryIndex(tile);

   488

		v->dest_tile = ind;

   489

   490

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

   491

			v->current_order.station = 1;

   492

			v->age = 0;

   493

		}

   494

	}

   495

}

   496

   497

// Helicopter rotor blades

   498

static void DisasterTick_3b(Vehicle *v)

   499

{

   500

	if (++v->tick_counter & 1)

   501

		return;

   502

   503

	if (++v->cur_image > SPR_ROTOR_MOVING_3) v->cur_image = SPR_ROTOR_MOVING_1;

   504

   505

	VehiclePositionChanged(v);