1

/* $Id$ */

     2

     3

/** @file unmovable_cmd.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "tile_cmd.h"

     8

#include "landscape.h"

     9

#include "command_func.h"

    10

#include "viewport_func.h"

    11

#include "player_func.h"

    12

#include "player_base.h"

    13

#include "gui.h"

    14

#include "station.h"

    15

#include "town.h"

    16

#include "sprite.h"

    17

#include "bridge_map.h"

    18

#include "unmovable_map.h"

    19

#include "variables.h"

    20

#include "genworld.h"

    21

#include "bridge.h"

    22

#include "autoslope.h"

    23

#include "transparency.h"

    24

#include "functions.h"

    25

#include "window_func.h"

    26

#include "vehicle_func.h"

    27

#include "player_gui.h"

    28

    29

#include "table/strings.h"

    30

#include "table/sprites.h"

    31

#include "table/unmovable_land.h"

    32

    33

/** Destroy a HQ.

    34

 * During normal gameplay you can only implicitely destroy a HQ when you are

    35

 * rebuilding it. Otherwise, only water can destroy it.

    36

 * @param pid Player requesting the destruction of his HQ

    37

 * @param flags docommand flags of calling function

    38

 * @return cost of the operation

    39

 */

    40

static CommandCost DestroyCompanyHQ(PlayerID pid, uint32 flags)

    41

{

    42

	Player* p = GetPlayer(pid);

    43

    44

	if (flags & DC_EXEC) {

    45

		TileIndex t = p->location_of_house;

    46

    47

		DoClearSquare(t + TileDiffXY(0, 0));

    48

		DoClearSquare(t + TileDiffXY(0, 1));

    49

		DoClearSquare(t + TileDiffXY(1, 0));

    50

		DoClearSquare(t + TileDiffXY(1, 1));

    51

		p->location_of_house = 0; // reset HQ position

    52

		InvalidateWindow(WC_COMPANY, pid);

    53

	}

    54

    55

	/* cost of relocating company is 1% of company value */

    56

	return CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(p) / 100);

    57

}

    58

    59

void UpdateCompanyHQ(Player *p, uint score)

    60

{

    61

	byte val;

    62

	TileIndex tile = p->location_of_house;

    63

    64

	if (tile == 0) return;

    65

    66

	(val = 0, score < 170) ||

    67

	(val++, score < 350) ||

    68

	(val++, score < 520) ||

    69

	(val++, score < 720) ||

    70

	(val++, true);

    71

    72

	EnlargeCompanyHQ(tile, val);

    73

    74

	MarkTileDirtyByTile(tile + TileDiffXY(0, 0));

    75

	MarkTileDirtyByTile(tile + TileDiffXY(0, 1));

    76

	MarkTileDirtyByTile(tile + TileDiffXY(1, 0));

    77

	MarkTileDirtyByTile(tile + TileDiffXY(1, 1));

    78

}

    79

    80

extern CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, StationID *station, bool check_clear = true);

    81

    82

/** Build or relocate the HQ. This depends if the HQ is already built or not

    83

 * @param tile tile where the HQ will be built or relocated to

    84

 * @param flags type of operation

    85

 * @param p1 unused

    86

 * @param p2 unused

    87

 */

    88

CommandCost CmdBuildCompanyHQ(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

    89

{

    90

	Player *p = GetPlayer(_current_player);

    91

	CommandCost cost(EXPENSES_PROPERTY);

    92

    93

	cost = CheckFlatLandBelow(tile, 2, 2, flags, 0, NULL);

    94

	if (CmdFailed(cost)) return cost;

    95

    96

	if (p->location_of_house != 0) { // Moving HQ

    97

		cost.AddCost(DestroyCompanyHQ(_current_player, flags));

    98

	}

    99

   100

	if (flags & DC_EXEC) {

   101

		int score = UpdateCompanyRatingAndValue(p, false);

   102

   103

		p->location_of_house = tile;

   104

   105

		MakeCompanyHQ(tile, _current_player);

   106

   107

		UpdateCompanyHQ(p, score);

   108

		InvalidateWindow(WC_COMPANY, p->index);

   109

	}

   110

   111

	return cost;

   112

}

   113

   114

/** Purchase a land area. Actually you only purchase one tile, so

   115

 * the name is a bit confusing ;p

   116

 * @param tile the tile the player is purchasing

   117

 * @param flags for this command type

   118

 * @param p1 unused

   119

 * @param p2 unused

   120

 * @return error of cost of operation

   121

 */

   122

CommandCost CmdPurchaseLandArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   123

{

   124

	CommandCost cost(EXPENSES_CONSTRUCTION);

   125

   126

	if (IsOwnedLandTile(tile) && IsTileOwner(tile, _current_player)) {

   127

		return_cmd_error(STR_5807_YOU_ALREADY_OWN_IT);

   128

	}

   129

   130

	cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

   131

	if (CmdFailed(cost)) return CMD_ERROR;

   132

   133

	if (flags & DC_EXEC) {

   134

		MakeOwnedLand(tile, _current_player);

   135

		MarkTileDirtyByTile(tile);

   136

	}

   137

   138

	return cost.AddCost(_price.clear_roughland * 10);

   139

}

   140

   141

/** Sell a land area. Actually you only sell one tile, so

   142

 * the name is a bit confusing ;p

   143

 * @param tile the tile the player is selling

   144

 * @param flags for this command type

   145

 * @param p1 unused

   146

 * @param p2 unused

   147

 * @return error or cost of operation

   148

 */

   149

CommandCost CmdSellLandArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   150

{

   151

	if (!IsOwnedLandTile(tile)) return CMD_ERROR;

   152

	if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER) return CMD_ERROR;

   153

   154

   155

	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;

   156

   157

	if (flags & DC_EXEC) DoClearSquare(tile);

   158

   159

	return CommandCost(EXPENSES_CONSTRUCTION,- _price.clear_roughland * 2);

   160

}

   161

   162

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh);

   163

   164

static void DrawTile_Unmovable(TileInfo *ti)

   165

{

   166

   167

	switch (GetUnmovableType(ti->tile)) {

   168

		case UNMOVABLE_TRANSMITTER:

   169

		case UNMOVABLE_LIGHTHOUSE: {

   170

			const DrawTileUnmovableStruct* dtus;

   171

   172

			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);

   173

			DrawClearLandTile(ti, 2);

   174

   175

			dtus = &_draw_tile_unmovable_data[GetUnmovableType(ti->tile)];

   176

   177

			AddSortableSpriteToDraw(

   178

				dtus->image, PAL_NONE, ti->x | dtus->subcoord_x, ti->y | dtus->subcoord_y,

   179

				dtus->width, dtus->height, dtus->z_size, ti->z,

   180

				IsTransparencySet(TO_STRUCTURES)

   181

			);

   182

			break;

   183

		}

   184

   185

		case UNMOVABLE_STATUE:

   186

			/* This should prevent statues from sinking into the ground when on a slope. */

   187

			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, GetFoundation_Unmovable(ti->tile, ti->tileh));

   188

   189

			DrawGroundSprite(SPR_CONCRETE_GROUND, PAL_NONE);

   190

   191

			AddSortableSpriteToDraw(SPR_STATUE_COMPANY, PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)), ti->x, ti->y, 16, 16, 25, ti->z, IsTransparencySet(TO_STRUCTURES));

   192

			break;

   193

   194

		case UNMOVABLE_OWNED_LAND:

   195

			DrawClearLandTile(ti, 0);

   196

   197

			AddSortableSpriteToDraw(

   198

				SPR_BOUGHT_LAND, PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)),

   199

				ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, BB_HEIGHT_UNDER_BRIDGE, GetSlopeZ(ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2)

   200

			);

   201

			DrawBridgeMiddle(ti);

   202

			break;

   203

   204

		default: {

   205

			const DrawTileSeqStruct* dtss;

   206

			const DrawTileSprites* t;

   207

			SpriteID palette;

   208

   209

			assert(IsCompanyHQ(ti->tile));

   210

			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);

   211

   212

			palette = PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile));

   213

   214

			t = &_unmovable_display_datas[GetCompanyHQSection(ti->tile)];

   215

			DrawGroundSprite(t->ground_sprite, palette);

   216

   217

			foreach_draw_tile_seq(dtss, t->seq) {

   218

				AddSortableSpriteToDraw(

   220

					ti->x + dtss->delta_x, ti->y + dtss->delta_y,

   221

					dtss->size_x, dtss->size_y,

   222

					dtss->size_z, ti->z + dtss->delta_z,

   223

					IsTransparencySet(TO_STRUCTURES)

   224

				);

   225

			}

   226

			break;

   227

		}

   228

	}

   229

}

   230

   231

static uint GetSlopeZ_Unmovable(TileIndex tile, uint x, uint y)

   232

{

   233

	if (IsOwnedLand(tile)) {

   234

		uint z;

   235

		Slope tileh = GetTileSlope(tile, &z);

   236

   237

		return z + GetPartialZ(x & 0xF, y & 0xF, tileh);

   238

	} else {

   239

		return GetTileMaxZ(tile);

   240

	}

   241

}

   242

   243

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh)

   244

{

   245

	return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);

   246

}

   247

   248

static CommandCost ClearTile_Unmovable(TileIndex tile, byte flags)

   249

{

   250

	if (IsCompanyHQ(tile)) {

   251

		if (_current_player == OWNER_WATER) {

   252

			return DestroyCompanyHQ(GetTileOwner(tile), DC_EXEC);

   253

		} else {

   254

			return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   255

		}

   256

	}

   257

   258

	if (IsOwnedLand(tile)) {

   259

		return DoCommand(tile, 0, 0, flags, CMD_SELL_LAND_AREA);

   260

	}

   261

   262

	/* checks if you're allowed to remove unmovable things */

   263

	if (_game_mode != GM_EDITOR && _current_player != OWNER_WATER && ((flags & DC_AUTO || !_cheats.magic_bulldozer.value)) )

   264

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   265

   266

	if (IsStatue(tile)) {

   267

		if (flags & DC_AUTO) return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   268

   269

		TownID town = GetStatueTownID(tile);

   270

		ClrBit(GetTown(town)->statues, GetTileOwner(tile));

   271

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   272

	}

   273

   274

	if (flags & DC_EXEC) {

   275

		DoClearSquare(tile);

   276

	}

   277

   278

	return CommandCost();

   279

}

   280

   281

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   282

{

   283

	uint level; // HQ level (depends on company performance) in the range 1..5.

   284

   285

	if (!IsCompanyHQ(tile)) return;

   286

   287

	/* HQ accepts passenger and mail; but we have to divide the values

   288

	 * between 4 tiles it occupies! */

   289

   290

	level = GetCompanyHQSize(tile) + 1;

   291

   292

	/* Top town building generates 10, so to make HQ interesting, the top

   293

	 * type makes 20. */

   294

	ac[CT_PASSENGERS] = max(1U, level);

   295

   296

	/* Top town building generates 4, HQ can make up to 8. The

   297

	 * proportion passengers:mail is different because such a huge

   298

	 * commercial building generates unusually high amount of mail

   299

	 * correspondence per physical visitor. */

   300

	ac[CT_MAIL] = max(1U, level / 2);

   301

}

   302

   303

   304

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   305

{

   306

	switch (GetUnmovableType(tile)) {

   307

		case UNMOVABLE_TRANSMITTER: td->str = STR_5801_TRANSMITTER; break;

   308

		case UNMOVABLE_LIGHTHOUSE:  td->str = STR_5802_LIGHTHOUSE; break;

   309

		case UNMOVABLE_STATUE:      td->str = STR_2016_STATUE; break;

   310

		case UNMOVABLE_OWNED_LAND:  td->str = STR_5805_COMPANY_OWNED_LAND; break;

   311

		default:                    td->str = STR_5803_COMPANY_HEADQUARTERS; break;

   312

	}

   313

	td->owner = GetTileOwner(tile);

   314

}

   315

   316

static void AnimateTile_Unmovable(TileIndex tile)

   317

{

   318

	/* not used */

   319

}

   320

   321

static void TileLoop_Unmovable(TileIndex tile)

   322

{

   323

	uint level; // HQ level (depends on company performance) in the range 1..5.

   324

	uint32 r;

   325

   326

	if (!IsCompanyHQ(tile)) return;

   327

   328

	/* HQ accepts passenger and mail; but we have to divide the values

   329

	 * between 4 tiles it occupies! */

   330

   331

	level = GetCompanyHQSize(tile) + 1;

   332

	assert(level < 6);

   333

   334

	r = Random();

   335

	/* Top town buildings generate 250, so the top HQ type makes 256. */

   336

	if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {

   337

		uint amt = GB(r, 0, 8) / 8 / 4 + 1;

   338

		if (_economy.fluct <= 0) amt = (amt + 1) >> 1;

   339

		MoveGoodsToStation(tile, 2, 2, CT_PASSENGERS, amt);

   340

	}

   341

   342

	/* Top town building generates 90, HQ can make up to 196. The

   343

	 * proportion passengers:mail is about the same as in the acceptance

   344

	 * equations. */

   345

	if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {

   346

		uint amt = GB(r, 8, 8) / 8 / 4 + 1;

   347

		if (_economy.fluct <= 0) amt = (amt + 1) >> 1;

   348

		MoveGoodsToStation(tile, 2, 2, CT_MAIL, amt);

   349

	}

   350

}

   351

   352

   353

static uint32 GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode, uint sub_mode)

   354

{

   355

	return 0;

   356

}

   357

   358

static void ClickTile_Unmovable(TileIndex tile)

   359

{

   360

	if (IsCompanyHQ(tile)) ShowPlayerCompany(GetTileOwner(tile));

   361

}

   362

   363

   364

/* checks, if a radio tower is within a 9x9 tile square around tile */

   365

static bool IsRadioTowerNearby(TileIndex tile)

   366

{

   367

	TileIndex tile_s = tile - TileDiffXY(4, 4);

   368

   369

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   370

		if (IsTransmitterTile(tile)) return true;

   371

	END_TILE_LOOP(tile, 9, 9, tile_s)

   372

   373

	return false;

   374

}

   375

   376

void GenerateUnmovables()

   377

{

   378

	int i, li, j, loop_count;

   379

	TileIndex tile;

   380

	uint h;

   381

	uint maxx;

   382

	uint maxy;

   383

   384

	if (_opt.landscape == LT_TOYLAND) return;

   385

   386

	/* add radio tower */

   387

	i = ScaleByMapSize(1000);

   388

	j = ScaleByMapSize(15); // maximum number of radio towers on the map

   389

	li = ScaleByMapSize1D((Random() & 3) + 7);

   390

	SetGeneratingWorldProgress(GWP_UNMOVABLE, j + li);

   391

   392

	do {

   393

		tile = RandomTile();

   394

		if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {

   395

			if (IsRadioTowerNearby(tile)) continue;

   396

			MakeTransmitter(tile);

   397

			IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   398

			if (--j == 0) break;

   399

		}

   400

	} while (--i);

   401

   402

	if (_opt.landscape == LT_TROPIC) return;

   403

   404

	/* add lighthouses */

   405

	i = li;

   406

	maxx = MapMaxX();

   407

	maxy = MapMaxY();

   408

	loop_count = 0;

   409

	do {

   410

		uint32 r;

   411

		DiagDirection dir;

   412

		int perimeter;

   413

   414

restart:

   415

		/* Avoid infinite loops */

   416

		if (++loop_count > 1000) break;

   417

   418

		r = Random();

   419

   420

		/* Scatter the lighthouses more evenly around the perimeter */

   421

		perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;

   422

		for (dir = DIAGDIR_NE; perimeter > 0; dir++) {

   423

			perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;

   424

		}

   425

   426

		switch (dir) {

   427

			default:

   428

			case DIAGDIR_NE: tile = TileXY(maxx,     r % maxy); break;

   429

			case DIAGDIR_SE: tile = TileXY(r % maxx, 0);        break;

   430

			case DIAGDIR_SW: tile = TileXY(0,        r % maxy); break;

   431

			case DIAGDIR_NW: tile = TileXY(r % maxx, maxy);     break;

   432

		}

   433

		j = 20;

   434

		do {

   435

			if (--j == 0) goto restart;

   436

			tile = TILE_MASK(tile + TileOffsByDiagDir(dir));

   437

		} while (!(IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)));

   438

   439

		assert(tile == TILE_MASK(tile));

   440

   441

		MakeLighthouse(tile);

   442

		IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   443

	} while (--i);

   444

}

   445

   446

static void ChangeTileOwner_Unmovable(TileIndex tile, PlayerID old_player, PlayerID new_player)

   447

{

   448

	if (!IsTileOwner(tile, old_player)) return;

   449

   450

	if (IsOwnedLand(tile) && new_player != PLAYER_SPECTATOR) {

   451

		SetTileOwner(tile, new_player);

   452

	} else if (IsStatueTile(tile)) {

   453

		TownID town = GetStatueTownID(tile);

   454

		Town *t = GetTown(town);

   455

		ClrBit(t->statues, old_player);

   456

		if (new_player != PLAYER_SPECTATOR && !HasBit(t->statues, new_player)) {

   457

			/* Transfer ownership to the new company */

   458

			SetBit(t->statues, new_player);

   459

			SetTileOwner(tile, new_player);

   460

		} else {

   461

			DoClearSquare(tile);

   462

		}

   463

   464

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   465

	} else {

   466

		DoClearSquare(tile);

   467

	}

   468

}

   469

   470

static CommandCost TerraformTile_Unmovable(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new)

   471

{

   472

	/* Owned land remains unsold */

   473

	if (IsOwnedLand(tile) && CheckTileOwnership(tile)) return CommandCost();

   474

   475

	if (AutoslopeEnabled() && (IsStatue(tile) || IsCompanyHQ(tile))) {

   476

		if (!IsSteepSlope(tileh_new) && (z_new + GetSlopeMaxZ(tileh_new) == GetTileMaxZ(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);

   477

	}

   478

   479

	return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

   480

}

   481

   482

extern const TileTypeProcs _tile_type_unmovable_procs = {

   483

	DrawTile_Unmovable,             /* draw_tile_proc */

   484

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   485

	ClearTile_Unmovable,            /* clear_tile_proc */

   486

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */