1

/* $Id$ */

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     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 "town.h"

    15

#include "sprite.h"

    16

#include "bridge_map.h"

    17

#include "unmovable_map.h"

    18

#include "variables.h"

    19

#include "genworld.h"

    20

#include "bridge.h"

    21

#include "autoslope.h"

    22

#include "transparency.h"

    23

#include "functions.h"

    24

#include "window_func.h"

    25

#include "vehicle_func.h"

    26

#include "player_gui.h"

    27

    28

#include "table/strings.h"

    29

#include "table/sprites.h"

    30

#include "table/unmovable_land.h"

    31

    32

/** Destroy a HQ.

    33

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

    34

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

    35

 * @param pid Player requesting the destruction of his HQ

    36

 * @param flags docommand flags of calling function

    37

 * @return cost of the operation

    38

 */

    39

static CommandCost DestroyCompanyHQ(PlayerID pid, uint32 flags)

    40

{

    41

	Player* p = GetPlayer(pid);

    42

    43

	if (flags & DC_EXEC) {

    44

		TileIndex t = p->location_of_house;

    45

    46

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

    47

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

    48

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

    49

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

    50

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

    51

		InvalidateWindow(WC_COMPANY, pid);

    52

	}

    53

    54

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

    55

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

    56

}

    57

    58

void UpdateCompanyHQ(Player *p, uint score)

    59

{

    60

	byte val;

    61

	TileIndex tile = p->location_of_house;

    62

    63

	if (tile == 0) return;

    64

    65

	(val = 0, score < 170) ||

    66

	(val++, score < 350) ||

    67

	(val++, score < 520) ||

    68

	(val++, score < 720) ||

    69

	(val++, true);

    70

    71

	EnlargeCompanyHQ(tile, val);

    72

    73

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

    74

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

    75

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

    76

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

    77

}

    78

    79

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

    80

    81

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

    82

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

    83

 * @param flags type of operation

    84

 * @param p1 unused

    85

 * @param p2 unused

    86

 */

    87

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

    88

{

    89

	Player *p = GetPlayer(_current_player);

    90

	CommandCost cost(EXPENSES_PROPERTY);

    91

    92

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

    93

	if (CmdFailed(cost)) return cost;

    94

    95

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

    96

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

    97

	}

    98

    99

	if (flags & DC_EXEC) {

   100

		int score = UpdateCompanyRatingAndValue(p, false);

   101

   102

		p->location_of_house = tile;

   103

   104

		MakeCompanyHQ(tile, _current_player);

   105

   106

		UpdateCompanyHQ(p, score);

   107

		InvalidateWindow(WC_COMPANY, p->index);

   108

	}

   109

   110

	return cost;

   111

}

   112

   113

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

   114

 * the name is a bit confusing ;p

   115

 * @param tile the tile the player is purchasing

   116

 * @param flags for this command type

   117

 * @param p1 unused

   118

 * @param p2 unused

   119

 * @return error of cost of operation

   120

 */

   121

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

   122

{

   123

	CommandCost cost(EXPENSES_CONSTRUCTION);

   124

   125

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

   126

		return_cmd_error(STR_5807_YOU_ALREADY_OWN_IT);

   127

	}

   128

   129

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

   130

	if (CmdFailed(cost)) return CMD_ERROR;

   131

   132

	if (flags & DC_EXEC) {

   133

		MakeOwnedLand(tile, _current_player);

   134

		MarkTileDirtyByTile(tile);

   135

	}

   136

   137

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

   138

}

   139

   140

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

   141

 * the name is a bit confusing ;p

   142

 * @param tile the tile the player is selling

   143

 * @param flags for this command type

   144

 * @param p1 unused

   145

 * @param p2 unused

   146

 * @return error or cost of operation

   147

 */

   148

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

   149

{

   150

	if (!IsOwnedLandTile(tile)) return CMD_ERROR;

   151

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

   152

   153

   154

	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;

   155

   156

	if (flags & DC_EXEC) DoClearSquare(tile);

   157

   158

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

   159

}

   160

   161

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh);

   162

   163

static void DrawTile_Unmovable(TileInfo *ti)

   164

{

   165

   166

	switch (GetUnmovableType(ti->tile)) {

   167

		case UNMOVABLE_TRANSMITTER:

   168

		case UNMOVABLE_LIGHTHOUSE: {

   169

			const DrawTileSeqStruct* dtu = &_draw_tile_transmitterlighthouse_data[GetUnmovableType(ti->tile)];

   170

   171

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

   172

			DrawClearLandTile(ti, 2);

   173

   174

			AddSortableSpriteToDraw(

   175

				dtu->image.sprite, PAL_NONE, ti->x | dtu->delta_x, ti->y | dtu->delta_y,

   176

				dtu->size_x, dtu->size_y, dtu->size_z, ti->z,

   177

				IsTransparencySet(TO_STRUCTURES)

   178

			);

   179

			break;

   180

		}

   181

   182

		case UNMOVABLE_STATUE:

   183

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

   184

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

   185

   186

			DrawGroundSprite(SPR_CONCRETE_GROUND, PAL_NONE);

   187

   188

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

   189

			break;

   190

   191

		case UNMOVABLE_OWNED_LAND:

   192

			DrawClearLandTile(ti, 0);

   193

   194

			AddSortableSpriteToDraw(

   195

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

   196

				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)

   197

			);

   198

			DrawBridgeMiddle(ti);

   199

			break;

   200

   201

		default: {

   202

			const DrawTileSeqStruct* dtss;

   203

			const DrawTileSprites* t;

   204

			SpriteID palette;

   205

   206

			assert(IsCompanyHQ(ti->tile));

   207

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

   208

   209

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

   210

   211

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

   212

			DrawGroundSprite(t->ground.sprite, palette);

   213

   214

			foreach_draw_tile_seq(dtss, t->seq) {

   215

				AddSortableSpriteToDraw(

   216

					dtss->image.sprite, palette,

   217

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

   218

					dtss->size_x, dtss->size_y,

   219

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

   220

					IsTransparencySet(TO_STRUCTURES)

   221

				);

   222

			}

   223

			break;

   224

		}

   225

	}

   226

}

   227

   228

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

   229

{

   230

	if (IsOwnedLand(tile)) {

   231

		uint z;

   232

		Slope tileh = GetTileSlope(tile, &z);

   233

   234

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

   235

	} else {

   236

		return GetTileMaxZ(tile);

   237

	}

   238

}

   239

   240

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh)

   241

{

   242

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

   243

}

   244

   245

static CommandCost ClearTile_Unmovable(TileIndex tile, byte flags)

   246

{

   247

	if (IsCompanyHQ(tile)) {

   248

		if (_current_player == OWNER_WATER) {

   249

			return DestroyCompanyHQ(GetTileOwner(tile), DC_EXEC);

   250

		} else {

   251

			return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   252

		}

   253

	}

   254

   255

	if (IsOwnedLand(tile)) {

   256

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

   257

	}

   258

   259

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

   260

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

   261

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   262

   263

	if (IsStatue(tile)) {

   264

		if (flags & DC_AUTO) return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   265

   266

		TownID town = GetStatueTownID(tile);

   267

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

   268

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   269

	}

   270

   271

	if (flags & DC_EXEC) {

   272

		DoClearSquare(tile);

   273

	}

   274

   275

	return CommandCost();

   276

}

   277

   278

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   279

{

   280

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

   281

   282

	if (!IsCompanyHQ(tile)) return;

   283

   284

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

   285

	 * between 4 tiles it occupies! */

   286

   287

	level = GetCompanyHQSize(tile) + 1;

   288

   289

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

   290

	 * type makes 20. */

   291

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

   292

   293

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

   294

	 * proportion passengers:mail is different because such a huge

   295

	 * commercial building generates unusually high amount of mail

   296

	 * correspondence per physical visitor. */

   297

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

   298

}

   299

   300

   301

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   302

{

   303

	switch (GetUnmovableType(tile)) {

   304

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

   305

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

   306

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

   307

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

   308

		default:                    td->str = STR_5803_COMPANY_HEADQUARTERS; break;

   309

	}

   310

	td->owner = GetTileOwner(tile);

   311

}

   312

   313

static void AnimateTile_Unmovable(TileIndex tile)

   314

{

   315

	/* not used */

   316

}

   317

   318

static void TileLoop_Unmovable(TileIndex tile)

   319

{

   320

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

   321

	uint32 r;

   322

   323

	if (!IsCompanyHQ(tile)) return;

   324

   325

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

   326

	 * between 4 tiles it occupies! */

   327

   328

	level = GetCompanyHQSize(tile) + 1;

   329

	assert(level < 6);

   330

   331

	r = Random();

   332

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

   333

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

   334

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

   335

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

   336

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

   337

	}

   338

   339

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

   340

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

   341

	 * equations. */

   342

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

   343

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

   344

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

   345

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

   346

	}

   347

}

   348

   349

   350

static TrackStatus GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)

   351

{

   352

	return 0;

   353

}

   354

   355

static void ClickTile_Unmovable(TileIndex tile)

   356

{

   357

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

   358

}

   359

   360

   361

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

   362

static bool IsRadioTowerNearby(TileIndex tile)

   363

{

   364

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

   365

   366

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   367

		if (IsTransmitterTile(tile)) return true;

   368

	END_TILE_LOOP(tile, 9, 9, tile_s)

   369

   370

	return false;

   371

}

   372

   373

void GenerateUnmovables()

   374

{

   375

	int i, li, j, loop_count;

   376

	TileIndex tile;

   377

	uint h;

   378

	uint maxx;

   379

	uint maxy;

   380

   381

	if (_opt.landscape == LT_TOYLAND) return;

   382

   383

	/* add radio tower */

   384

	i = ScaleByMapSize(1000);

   385

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

   386

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

   387

	SetGeneratingWorldProgress(GWP_UNMOVABLE, j + li);

   388

   389

	do {

   390

		tile = RandomTile();

   391

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

   392

			if (IsRadioTowerNearby(tile)) continue;

   393

			MakeTransmitter(tile);

   394

			IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   395

			if (--j == 0) break;

   396

		}

   397

	} while (--i);

   398

   399

	if (_opt.landscape == LT_TROPIC) return;

   400

   401

	/* add lighthouses */

   402

	i = li;

   403

	maxx = MapMaxX();

   404

	maxy = MapMaxY();

   405

	loop_count = 0;

   406

	do {

   407

		uint32 r;

   408

		DiagDirection dir;

   409

		int perimeter;

   410

   411

restart:

   412

		/* Avoid infinite loops */

   413

		if (++loop_count > 1000) break;

   414

   415

		r = Random();

   416

   417

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

   418

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

   419

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

   420

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

   421

		}

   422

   423

		switch (dir) {

   424

			default:

   425

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

   426

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

   427

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

   428

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

   429

		}

   430

		j = 20;

   431

		do {

   432

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

   433

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

   434

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

   435

   436

		assert(tile == TILE_MASK(tile));

   437

   438

		MakeLighthouse(tile);

   439

		IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   440

	} while (--i);

   441

}

   442

   443

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

   444

{

   445

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

   446

   447

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

   448

		SetTileOwner(tile, new_player);

   449

	} else if (IsStatueTile(tile)) {

   450

		TownID town = GetStatueTownID(tile);

   451

		Town *t = GetTown(town);

   452

		ClrBit(t->statues, old_player);

   453

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

   454

			/* Transfer ownership to the new company */

   455

			SetBit(t->statues, new_player);

   456

			SetTileOwner(tile, new_player);

   457

		} else {

   458

			DoClearSquare(tile);

   459

		}

   460

   461

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   462

	} else {

   463

		DoClearSquare(tile);

   464

	}

   465

}

   466

   467

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

   468

{

   469

	/* Owned land remains unsold */

   470

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

   471

   472

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

   473

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

   474

	}

   475

   476

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

   477

}

   478

   479

extern const TileTypeProcs _tile_type_unmovable_procs = {

   480

	DrawTile_Unmovable,             /* draw_tile_proc */

   481

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   482

	ClearTile_Unmovable,            /* clear_tile_proc */

   483

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   484

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   485

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   486

	ClickTile_Unmovable,            /* click_tile_proc */

   487

	AnimateTile_Unmovable,          /* animate_tile_proc */