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_movement.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)) DoClearSquare(tile);

    31

			break;

    32

    33

		case MP_HOUSE: {

    34

			PlayerID p = _current_player;

    35

			_current_player = OWNER_NONE;

    36

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

    37

			_current_player = p;

    38

			break;

    39

		}

    40

    41

		case MP_TREES:

    42

		case MP_CLEAR:

    43

			DoClearSquare(tile);

    44

			break;

    45

    46

		default:

    47

			break;

    48

	}

    49

}

    50

    51

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

    52

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

    53

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

    54

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

    55

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

    56

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

    57

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

    58

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

    59

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

    60

    61

static const SpriteID * const _disaster_images[] = {

    62

	_disaster_images_1,_disaster_images_1,

    63

	_disaster_images_2,_disaster_images_2,

    64

	_disaster_images_3,_disaster_images_3,

    65

	_disaster_images_8,_disaster_images_8,_disaster_images_9,

    66

	_disaster_images_6,_disaster_images_6,

    67

	_disaster_images_7,_disaster_images_7,

    68

	_disaster_images_4,_disaster_images_5,

    69

};

    70

    71

static void DisasterVehicleUpdateImage(Vehicle *v)

    72

{

    73

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

    74

	if (img == 0)

    75

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

    76

	v->cur_image = img;

    77

}

    78

    79

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

    80

{

    81

	v->type = VEH_Disaster;

    82

	v->x_pos = x;

    83

	v->y_pos = y;

    84

	v->z_pos = z;

    85

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

    86

	v->direction = direction;

    87

	v->subtype = subtype;

    88

	v->x_offs = -1;

    89

	v->y_offs = -1;

    90

	v->sprite_width = 2;

    91

	v->sprite_height = 2;

    92

	v->z_height = 5;

    93

	v->owner = OWNER_NONE;

    94

	v->vehstatus = VS_UNCLICKABLE;

    95

	v->u.disaster.image_override = 0;

    96

	v->current_order.type = OT_NOTHING;

    97

	v->current_order.flags = 0;

    98

	v->current_order.station = 0;

    99

   100

	DisasterVehicleUpdateImage(v);

   101

	VehiclePositionChanged(v);

   102

	BeginVehicleMove(v);

   103

	EndVehicleMove(v);

   104

}

   105

   106

static void DeleteDisasterVeh(Vehicle *v)

   107

{

   108

	DeleteVehicleChain(v);

   109

}

   110

   111

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

   112

{

   113

	Vehicle *u;

   114

	int yt;

   115

   116

	BeginVehicleMove(v);

   117

	v->x_pos = x;

   118

	v->y_pos = y;

   119

	v->z_pos = z;

   120

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

   121

   122

	DisasterVehicleUpdateImage(v);

   123

	VehiclePositionChanged(v);

   124

	EndVehicleMove(v);

   125

   126

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

   127

		BeginVehicleMove(u);

   128

   129

		u->x_pos = x;

   130

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

   131

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

   132

		u->direction = v->direction;

   133

   134

		DisasterVehicleUpdateImage(u);

   135

		VehiclePositionChanged(u);

   136

		EndVehicleMove(u);

   137

   138

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

   139

			BeginVehicleMove(u);

   140

			u->x_pos = x;

   141

			u->y_pos = y;

   142

			u->z_pos = z + 5;

   143

			VehiclePositionChanged(u);

   144

			EndVehicleMove(u);

   145

		}

   146

	}

   147

}

   148

   149

   150

static void DisasterTick_Zeppeliner(Vehicle *v)

   151

{

   152

	GetNewVehiclePosResult gp;

   153

	Station *st;

   154

	int x,y;

   155

	byte z;

   156

	TileIndex tile;

   157

   158

	++v->tick_counter;

   159

   160

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

   161

		if (v->tick_counter&1)

   162

			return;

   163

   164

		GetNewVehiclePos(v, &gp);

   165

   166

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

   167

   168

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

   169

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

   170

				v->current_order.station = 2;

   171

				v->age = 0;

   172

			}

   173

   174

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

   175

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

   176

			}

   177

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

   178

			tile = v->tile; /**/

   179

   180

			if (IsValidTile(tile) &&

   181

					IsTileType(tile, MP_STATION) &&

   182

					IsAirport(tile) &&

   183

					IS_HUMAN_PLAYER(GetTileOwner(tile))) {

   184

				v->current_order.station = 1;

   185

				v->age = 0;

   186

   187

				SetDParam(0, GetStationIndex(tile));

   188

				AddNewsItem(STR_B000_ZEPPELIN_DISASTER_AT,

   189

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

   190

					v->index,

   191

					0);

   192

			}

   193

		}

   194

		if (v->y_pos >= ((int)MapSizeY() + 9) * 16 - 1)

   195

			DeleteDisasterVeh(v);

   196

		return;

   197

	}

   198

   199

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

   200

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

   201

			return;

   202

   203

		tile = v->tile; /**/

   204

   205

		if (IsValidTile(tile) &&

   206

				IsTileType(tile, MP_STATION) &&

   207

				IsAirport(tile) &&

   208

				IS_HUMAN_PLAYER(GetTileOwner(tile))) {

   209

			st = GetStationByTile(tile);

   210

			CLRBITS(st->airport_flags, RUNWAY_IN_block);

   211

		}

   212

   213

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

   214

		DeleteDisasterVeh(v);

   215

		return;

   216

	}

   217

   218

	x = v->x_pos;

   219

	y = v->y_pos;

   220

	z = GetSlopeZ(x,y);

   221

	if (z < v->z_pos)

   222

		z = v->z_pos - 1;

   223

	SetDisasterVehiclePos(v, x, y, z);

   224

   225

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

   226

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

   227

		SndPlayVehicleFx(SND_12_EXPLOSION, v);

   228

		v->u.disaster.image_override = SPR_BLIMP_CRASHING;

   229

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

   230

		v->u.disaster.image_override = SPR_BLIMP_CRASHED;

   231

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

   232

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

   233

			uint32 r = Random();

   234

   235

			CreateEffectVehicleRel(v,

   236

				GB(r, 0, 4) - 7,

   237

				GB(r, 4, 4) - 7,

   238

				GB(r, 8, 3) + 5,

   239

				EV_EXPLOSION_SMALL);

   240

		}

   241

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

   242

		v->current_order.station = 3;

   243

		v->age = 0;

   244

	}

   245

   246

	tile = v->tile;/**/

   247

	if (IsValidTile(tile) &&

   248

			IsTileType(tile, MP_STATION) &&

   249

			IsAirport(tile) &&

   250

			IS_HUMAN_PLAYER(GetTileOwner(tile))) {

   251

		st = GetStationByTile(tile);

   252

		SETBITS(st->airport_flags, RUNWAY_IN_block);

   253

	}

   254

}

   255

   256

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

   257

// a road vehicle which it targets.

   258

static void DisasterTick_UFO(Vehicle *v)

   259

{

   260

	GetNewVehiclePosResult gp;

   261

	Vehicle *u;

   262

	uint dist;

   263

	byte z;

   264

   265

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

   266

   267

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

   268

// fly around randomly

   269

		int x = TileX(v->dest_tile) * 16;

   270

		int y = TileY(v->dest_tile) * 16;

   271

		if (abs(x - v->x_pos) + abs(y - v->y_pos) >= 16) {

   272

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

   273

			GetNewVehiclePos(v, &gp);

   274

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

   275

			return;

   276

		}

   277

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

   278

			v->dest_tile = RandomTile();

   279

			return;

   280

		}

   281

		v->current_order.station = 1;

   282

   283

		FOR_ALL_VEHICLES(u) {

   284

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

   285

				v->dest_tile = u->index;

   286

				v->age = 0;

   287

				return;

   288

			}

   289

		}

   290

   291

		DeleteDisasterVeh(v);

   292

	} else {

   293

// target a vehicle

   294

		u = GetVehicle(v->dest_tile);

   295

		if (u->type != VEH_Road) {

   296

			DeleteDisasterVeh(v);

   297

			return;

   298

		}

   299

   300

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

   301

   302

		if (dist < 16 && !(u->vehstatus&VS_HIDDEN) && u->breakdown_ctr==0) {

   303

			u->breakdown_ctr = 3;

   304

			u->breakdown_delay = 140;

   305

		}

   306

   307

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

   308

		GetNewVehiclePos(v, &gp);

   309

   310

		z = v->z_pos;

   311

		if (dist <= 16 && z > u->z_pos) z--;

   312

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

   313

   314

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

   315

			v->age++;

   316

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

   317

				u->u.road.crashed_ctr++;

   318

				u->vehstatus |= VS_CRASHED;

   319

   320

				AddNewsItem(STR_B001_ROAD_VEHICLE_DESTROYED,

   321

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

   322

					u->index,

   323

					0);

   324

			}

   325

		}

   326

   327

// destroy?

   328

		if (v->age > 50) {

   329

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

   330

			SndPlayVehicleFx(SND_12_EXPLOSION, v);

   331

			DeleteDisasterVeh(v);

   332

		}

   333

	}

   334

}

   335

   336

static void DestructIndustry(Industry *i)

   337

{

   338

	TileIndex tile;

   339

   340

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

   341

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

   342

			_m[tile].m1 = 0;

   343

			MarkTileDirtyByTile(tile);

   344

		}

   345

	}

   346

}

   347

   348

// Airplane which destroys an oil refinery

   349

static void DisasterTick_2(Vehicle *v)

   350

{

   351

	GetNewVehiclePosResult gp;

   352

   353

	v->tick_counter++;

   354

	v->u.disaster.image_override =

   355

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

   356

   357

	GetNewVehiclePos(v, &gp);

   358

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

   359

   360

	if (gp.x < -160) {

   361

		DeleteDisasterVeh(v);

   362

		return;

   363

	}

   364

   365

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

   366

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

   367

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

   368

			int x = TileX(i->xy) * 16;

   369

			int y = TileY(i->xy) * 16;

   370

			uint32 r = Random();

   371

   372

			CreateEffectVehicleAbove(

   373

				GB(r,  0, 6) + x,

   374

				GB(r,  6, 6) + y,

   375

				GB(r, 12, 4),

   376

				EV_EXPLOSION_SMALL);

   377

   378

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

   379

				v->current_order.station = 3;

   380

		}

   381

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

   382

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

   383

			Industry *i;

   384

   385

			v->current_order.station = 2;

   386

			v->age = 0;

   387

   388

			i = GetIndustry(v->dest_tile);

   389

			DestructIndustry(i);

   390

   391

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

   392

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

   393

			SndPlayTileFx(SND_12_EXPLOSION, i->xy);

   394

		}

   395

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

   396

		int x,y;

   397

		TileIndex tile;

   398

		uint ind;

   399

   400

		x = v->x_pos - 15*16;

   401

		y = v->y_pos;

   402

   403

		if ( (uint)x > MapMaxX() * 16-1)

   404

			return;

   405

   406

		tile = TileVirtXY(x, y);

   407

		if (!IsTileType(tile, MP_INDUSTRY))

   408

			return;

   409

   410

		ind = GetIndustryIndex(tile);

   411

		v->dest_tile = ind;

   412

   413

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

   414

			v->current_order.station = 1;

   415

			v->age = 0;

   416

		}

   417

	}

   418

}

   419

   420

// Helicopter which destroys a factory

   421

static void DisasterTick_3(Vehicle *v)

   422

{

   423

	GetNewVehiclePosResult gp;

   424

   425

	v->tick_counter++;

   426

	v->u.disaster.image_override =

   427

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

   428

   429

	GetNewVehiclePos(v, &gp);

   430

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

   431

   432

	if (gp.x > (int)MapSizeX() * 16 + 9*16 - 1) {

   433

		DeleteDisasterVeh(v);

   434

		return;

   435

	}

   436

   437

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

   438

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

   439

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

   440

			int x = TileX(i->xy) * 16;

   441

			int y = TileY(i->xy) * 16;

   442

			uint32 r = Random();

   443

   444

			CreateEffectVehicleAbove(

   445

				GB(r,  0, 6) + x,

   446

				GB(r,  6, 6) + y,

   447

				GB(r, 12, 4),

   448

				EV_EXPLOSION_SMALL);

   449

   450

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

   451

				v->current_order.station = 3;

   452

		}

   453

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

   454

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

   455

			Industry *i;

   456

   457

			v->current_order.station = 2;

   458

			v->age = 0;

   459

   460

			i = GetIndustry(v->dest_tile);

   461

			DestructIndustry(i);

   462

   463

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

   464

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

   465

			SndPlayTileFx(SND_12_EXPLOSION, i->xy);

   466

		}

   467

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

   468

		int x,y;

   469

		TileIndex tile;

   470

		uint ind;

   471

   472

		x = v->x_pos - 15*16;

   473

		y = v->y_pos;

   474

   475

		if ( (uint)x > MapMaxX() * 16-1)

   476

			return;

   477

   478

		tile = TileVirtXY(x, y);

   479

		if (!IsTileType(tile, MP_INDUSTRY))

   480

			return;

   481

   482

		ind = GetIndustryIndex(tile);

   483

		v->dest_tile = ind;

   484

   485

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

   486

			v->current_order.station = 1;

   487

			v->age = 0;

   488

		}

   489

	}

   490

}

   491

   492

// Helicopter rotor blades

   493

static void DisasterTick_3b(Vehicle *v)

   494

{

   495

	if (++v->tick_counter & 1)

   496

		return;

   497

   498

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

   499

   500

	VehiclePositionChanged(v);

   501

	BeginVehicleMove(v);

   502

	EndVehicleMove(v);

   503

}

   504

   505

// Big UFO which lands on a piece of rail.

   506

// Will be shot down by a plane