1

/* $Id$ */

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     3

/** @file unmovable_cmd.cpp Handling of unmovable tiles. */

     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"

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#include "bridge.h"

    21

#include "autoslope.h"

    22

#include "transparency.h"

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#include "functions.h"

    24

#include "window_func.h"

    25

#include "vehicle_func.h"

    26

#include "player_gui.h"

    27

#include "station_type.h"

    28

#include "economy_func.h"

    29

#include "cheat_func.h"

    30

    31

#include "table/strings.h"

    32

#include "table/sprites.h"

    33

#include "table/unmovable_land.h"

    34

    35

/** Destroy a HQ.

    36

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

    37

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

    38

 * @param pid Player requesting the destruction of his HQ

    39

 * @param flags docommand flags of calling function

    40

 * @return cost of the operation

    41

 */

    42

static CommandCost DestroyCompanyHQ(PlayerID pid, uint32 flags)

    43

{

    44

	Player *p = GetPlayer(pid);

    45

    46

	if (flags & DC_EXEC) {

    47

		TileIndex t = p->location_of_house;

    48

    49

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

    50

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

    51

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

    52

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

    53

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

    54

		InvalidateWindow(WC_COMPANY, pid);

    55

	}

    56

    57

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

    58

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

    59

}

    60

    61

void UpdateCompanyHQ(Player *p, uint score)

    62

{

    63

	byte val;

    64

	TileIndex tile = p->location_of_house;

    65

    66

	if (tile == 0) return;

    67

    68

	(val = 0, score < 170) ||

    69

	(val++, score < 350) ||

    70

	(val++, score < 520) ||

    71

	(val++, score < 720) ||

    72

	(val++, true);

    73

    74

	EnlargeCompanyHQ(tile, val);

    75

    76

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

    77

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

    78

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

    79

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

    80

}

    81

    82

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

    83

    84

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

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

    86

 * @param flags type of operation

    87

 * @param p1 unused

    88

 * @param p2 unused

    89

 */

    90

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

    91

{

    92

	Player *p = GetPlayer(_current_player);

    93

	CommandCost cost(EXPENSES_PROPERTY);

    94

    95

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

    96

	if (CmdFailed(cost)) return cost;

    97

    98

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

    99

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

   100

	}

   101

   102

	if (flags & DC_EXEC) {

   103

		int score = UpdateCompanyRatingAndValue(p, false);

   104

   105

		p->location_of_house = tile;

   106

   107

		MakeCompanyHQ(tile, _current_player);

   108

   109

		UpdateCompanyHQ(p, score);

   110

		InvalidateWindow(WC_COMPANY, p->index);

   111

	}

   112

   113

	return cost;

   114

}

   115

   116

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

   117

 * the name is a bit confusing ;p

   118

 * @param tile the tile the player is purchasing

   119

 * @param flags for this command type

   120

 * @param p1 unused

   121

 * @param p2 unused

   122

 * @return error of cost of operation

   123

 */

   124

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

   125

{

   126

	CommandCost cost(EXPENSES_CONSTRUCTION);

   127

   128

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

   129

		return_cmd_error(STR_5807_YOU_ALREADY_OWN_IT);

   130

	}

   131

   132

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

   133

	if (CmdFailed(cost)) return CMD_ERROR;

   134

   135

	if (flags & DC_EXEC) {

   136

		MakeOwnedLand(tile, _current_player);

   137

		MarkTileDirtyByTile(tile);

   138

	}

   139

   140

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

   141

}

   142

   143

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

   144

 * the name is a bit confusing ;p

   145

 * @param tile the tile the player is selling

   146

 * @param flags for this command type

   147

 * @param p1 unused

   148

 * @param p2 unused

   149

 * @return error or cost of operation

   150

 */

   151

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

   152

{

   153

	if (!IsOwnedLandTile(tile)) return CMD_ERROR;

   154

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

   155

   156

	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;

   157

   158

	if (flags & DC_EXEC) DoClearSquare(tile);

   159

   160

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

   161

}

   162

   163

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh);

   164

   165

static void DrawTile_Unmovable(TileInfo *ti)

   166

{

   167

   168

	switch (GetUnmovableType(ti->tile)) {

   169

		case UNMOVABLE_TRANSMITTER:

   170

		case UNMOVABLE_LIGHTHOUSE: {

   171

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

   172

   173

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

   174

			DrawClearLandTile(ti, 2);

   175

   176

			if (IsInvisibilitySet(TO_STRUCTURES)) break;

   177

   178

			AddSortableSpriteToDraw(

   179

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

   180

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

   181

				IsTransparencySet(TO_STRUCTURES)

   182

			);

   183

			break;

   184

		}

   185

   186

		case UNMOVABLE_STATUE:

   187

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

   188

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

   189

   190

			DrawGroundSprite(SPR_CONCRETE_GROUND, PAL_NONE);

   191

   192

			if (IsInvisibilitySet(TO_STRUCTURES)) break;

   193

   194

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

   195

			break;

   196

   197

		case UNMOVABLE_OWNED_LAND:

   198

			DrawClearLandTile(ti, 0);

   199

   200

			AddSortableSpriteToDraw(

   201

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

   202

				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)

   203

			);

   204

			DrawBridgeMiddle(ti);

   205

			break;

   206

   207

		default: {

   208

			assert(IsCompanyHQ(ti->tile));

   209

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

   210

   211

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

   212

   213

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

   214

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

   215

   216

			if (IsInvisibilitySet(TO_STRUCTURES)) break;

   217

   218

			const DrawTileSeqStruct *dtss;

   219

			foreach_draw_tile_seq(dtss, t->seq) {

   220

				AddSortableSpriteToDraw(

   221

					dtss->image.sprite, palette,

   222

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

   223

					dtss->size_x, dtss->size_y,

   224

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

   225

					IsTransparencySet(TO_STRUCTURES)

   226

				);

   227

			}

   228

			break;

   229

		}

   230

	}

   231

}

   232

   233

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

   234

{

   235

	if (IsOwnedLand(tile)) {

   236

		uint z;

   237

		Slope tileh = GetTileSlope(tile, &z);

   238

   239

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

   240

	} else {

   241

		return GetTileMaxZ(tile);

   242

	}

   243

}

   244

   245

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh)

   246

{

   247

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

   248

}

   249

   250

static CommandCost ClearTile_Unmovable(TileIndex tile, byte flags)

   251

{

   252

	if (IsCompanyHQ(tile)) {

   253

		if (_current_player == OWNER_WATER) {

   254

			return DestroyCompanyHQ(GetTileOwner(tile), DC_EXEC);

   255

		} else {

   256

			return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   257

		}

   258

	}

   259

   260

	if (IsOwnedLand(tile)) {

   261

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

   262

	}

   263

   264

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

   265

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

   266

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   267

   268

	if (IsStatue(tile)) {

   269

		if (flags & DC_AUTO) return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   270

   271

		TownID town = GetStatueTownID(tile);

   272

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

   273

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   274

	}

   275

   276

	if (flags & DC_EXEC) {

   277

		DoClearSquare(tile);

   278

	}

   279

   280

	return CommandCost();

   281

}

   282

   283

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   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

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

   291

	uint level = GetCompanyHQSize(tile) + 1;

   292

   293

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

   294

	 * type makes 20. */

   295

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

   296

   297

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

   298

	 * proportion passengers:mail is different because such a huge

   299

	 * commercial building generates unusually high amount of mail

   300

	 * correspondence per physical visitor. */

   301

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

   302

}

   303

   304

   305

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   306

{

   307

	switch (GetUnmovableType(tile)) {

   308

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

   309

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

   310

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

   311

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

   312

		default:                    td->str = STR_5803_COMPANY_HEADQUARTERS; break;

   313

	}

   314

	td->owner = GetTileOwner(tile);

   315

}

   316

   317

static void AnimateTile_Unmovable(TileIndex tile)

   318

{

   319

	/* not used */

   320

}

   321

   322

static void TileLoop_Unmovable(TileIndex tile)

   323

{

   324

	if (!IsCompanyHQ(tile)) return;

   325

   326

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

   327

	 * between 4 tiles it occupies! */

   328

   329

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

   330

	uint level = GetCompanyHQSize(tile) + 1;

   331

	assert(level < 6);

   332

   333

	uint r = Random();

   334

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

   335

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

   336

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

   337

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

   338

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

   339

	}

   340

   341

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

   342

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

   343

	 * equations. */

   344

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

   345

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

   346

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

   347

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

   348

	}

   349

}

   350

   351

   352

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

   353

{

   354

	return 0;

   355

}

   356

   357

static void ClickTile_Unmovable(TileIndex tile)

   358

{

   359

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

   360

}

   361

   362

   363

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

   364

static bool IsRadioTowerNearby(TileIndex tile)

   365

{

   366

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

   367

   368

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   369

		if (IsTransmitterTile(tile)) return true;

   370

	END_TILE_LOOP(tile, 9, 9, tile_s)

   371

   372

	return false;

   373

}

   374

   375

void GenerateUnmovables()

   376

{

   377

	if (_opt.landscape == LT_TOYLAND) return;

   378

   379

	/* add radio tower */

   380

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

   381

	int lighthouses_to_build = _opt.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);

   382

	SetGeneratingWorldProgress(GWP_UNMOVABLE, radiotowser_to_build + lighthouses_to_build);

   383

   384

	for (uint i = ScaleByMapSize(1000); i != 0; i--) {

   385

		TileIndex tile = RandomTile();

   386

   387

		uint h;

   388

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

   389

			if (IsRadioTowerNearby(tile)) continue;

   390

   391

			MakeTransmitter(tile);

   392

			IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   393

			if (--radiotowser_to_build == 0) break;

   394

		}

   395

	}

   396

   397

	if (_opt.landscape == LT_TROPIC) return;

   398

   399

	/* add lighthouses */

   400

	uint maxx = MapMaxX();

   401

	uint maxy = MapMaxY();

   402

	for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0; loop_count++) {

   403

		uint r = Random();

   404

   405

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

   406

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

   407

		DiagDirection dir;

   408

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

   409

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

   410

		}

   411

   412

		TileIndex tile;

   413

		switch (dir) {

   414

			default:

   415

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

   416

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

   417

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

   418

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

   419

		}

   420

   421

		for (int j = 0; j < 20; j++) {

   422

			uint h;

   423

			if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {

   424

				MakeLighthouse(tile);

   425

				IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   426

				lighthouses_to_build--;

   427

				assert(tile == TILE_MASK(tile));

   428

				break;

   429

			}

   430

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

   431

		}

   432

	}

   433

}

   434

   435

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

   436

{

   437

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

   438

   439

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

   440

		SetTileOwner(tile, new_player);

   441

	} else if (IsStatueTile(tile)) {

   442

		TownID town = GetStatueTownID(tile);

   443

		Town *t = GetTown(town);

   444

		ClrBit(t->statues, old_player);

   445

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

   446

			/* Transfer ownership to the new company */

   447

			SetBit(t->statues, new_player);

   448

			SetTileOwner(tile, new_player);

   449

		} else {

   450

			DoClearSquare(tile);

   451

		}

   452

   453

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   454

	} else {

   455

		DoClearSquare(tile);

   456

	}

   457

}

   458

   459

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

   460

{

   461

	/* Owned land remains unsold */

   462

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

   463

   464

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

   465

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

   466

	}

   467

   468

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

   469

}

   470

   471

extern const TileTypeProcs _tile_type_unmovable_procs = {

   472

	DrawTile_Unmovable,             /* draw_tile_proc */

   473

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   474

	ClearTile_Unmovable,            /* clear_tile_proc */

   475

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   476

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   477

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   478

	ClickTile_Unmovable,            /* click_tile_proc */

   479

	AnimateTile_Unmovable,          /* animate_tile_proc */

   480

	TileLoop_Unmovable,             /* tile_loop_clear */

   481

	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */

   482

	NULL,                           /* get_produced_cargo_proc */

   483

	NULL,                           /* vehicle_enter_tile_proc */

   484

	GetFoundation_Unmovable,        /* get_foundation_proc */

   485

	TerraformTile_Unmovable,        /* terraform_tile_proc */

   486

};