1

/* $Id$ */

     2

     3

/** @file unmovable_cmd.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "table/strings.h"

     8

#include "table/sprites.h"

     9

#include "tile_cmd.h"

    10

#include "landscape.h"

    11

#include "command_func.h"

    12

#include "viewport.h"

    13

#include "player.h"

    14

#include "gui.h"

    15

#include "station.h"

    16

#include "town.h"

    17

#include "sprite.h"

    18

#include "bridge_map.h"

    19

#include "unmovable_map.h"

    20

#include "variables.h"

    21

#include "table/unmovable_land.h"

    22

#include "genworld.h"

    23

#include "bridge.h"

    24

#include "autoslope.h"

    25

#include "transparency.h"

    26

#include "functions.h"

    27

#include "window_func.h"

    28

#include "vehicle_func.h"

    29

    30

/** Destroy a HQ.

    31

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

    32

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

    33

 * @param pid Player requesting the destruction of his HQ

    34

 * @param flags docommand flags of calling function

    35

 * @return cost of the operation

    36

 */

    37

static CommandCost DestroyCompanyHQ(PlayerID pid, uint32 flags)

    38

{

    39

	Player* p = GetPlayer(pid);

    40

    41

	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);

    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(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;

    91

    92

	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);

    93

    94

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

    95

	if (CmdFailed(cost)) return cost;

    96

    97

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

    98

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

    99

	}

   100

   101

	if (flags & DC_EXEC) {

   102

		int score = UpdateCompanyRatingAndValue(p, false);

   103

   104

		p->location_of_house = tile;

   105

   106

		MakeCompanyHQ(tile, _current_player);

   107

   108

		UpdateCompanyHQ(p, score);

   109

		InvalidateWindow(WC_COMPANY, p->index);

   110

	}

   111

   112

	return cost;

   113

}

   114

   115

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

   116

 * the name is a bit confusing ;p

   117

 * @param tile the tile the player is purchasing

   118

 * @param flags for this command type

   119

 * @param p1 unused

   120

 * @param p2 unused

   121

 * @return error of cost of operation

   122

 */

   123

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

   124

{

   125

	CommandCost cost;

   126

   127

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   128

   129

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

   130

		return_cmd_error(STR_5807_YOU_ALREADY_OWN_IT);

   131

	}

   132

   133

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

   134

	if (CmdFailed(cost)) return CMD_ERROR;

   135

   136

	if (flags & DC_EXEC) {

   137

		MakeOwnedLand(tile, _current_player);

   138

		MarkTileDirtyByTile(tile);

   139

	}

   140

   141

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

   142

}

   143

   144

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

   145

 * the name is a bit confusing ;p

   146

 * @param tile the tile the player is selling

   147

 * @param flags for this command type

   148

 * @param p1 unused

   149

 * @param p2 unused

   150

 * @return error or cost of operation

   151

 */

   152

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

   153

{

   154

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   155

   156

	if (!IsOwnedLandTile(tile)) return CMD_ERROR;

   157

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

   158

   159

   160

	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;

   161

   162

	if (flags & DC_EXEC) DoClearSquare(tile);

   163

   164

	return CommandCost(- _price.clear_roughland * 2);

   165

}

   166

   167

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh);

   168

   169

static void DrawTile_Unmovable(TileInfo *ti)

   170

{

   171

   172

	switch (GetUnmovableType(ti->tile)) {

   173

		case UNMOVABLE_TRANSMITTER:

   174

		case UNMOVABLE_LIGHTHOUSE: {

   175

			const DrawTileUnmovableStruct* dtus;

   176

   177

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

   178

			DrawClearLandTile(ti, 2);

   179

   180

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

   181

   182

			AddSortableSpriteToDraw(

   183

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

   184

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

   185

				IsTransparencySet(TO_STRUCTURES)

   186

			);

   187

			break;

   188

		}

   189

   190

		case UNMOVABLE_STATUE:

   191

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

   192

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

   193

   194

			DrawGroundSprite(SPR_CONCRETE_GROUND, PAL_NONE);

   195

   196

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

   197

			break;

   198

   199

		case UNMOVABLE_OWNED_LAND:

   200

			DrawClearLandTile(ti, 0);

   201

   202

			AddSortableSpriteToDraw(

   203

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

   204

				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)

   205

			);

   206

			DrawBridgeMiddle(ti);

   207

			break;

   208

   209

		default: {

   210

			const DrawTileSeqStruct* dtss;

   211

			const DrawTileSprites* t;

   212

			SpriteID palette;

   213

   214

			assert(IsCompanyHQ(ti->tile));

   215

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

   216

   217

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

   218

   219

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

   220

			DrawGroundSprite(t->ground_sprite, palette);

   221

   222

			foreach_draw_tile_seq(dtss, t->seq) {

   223

				AddSortableSpriteToDraw(

   224

					dtss->image, palette,

   225

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

   226

					dtss->size_x, dtss->size_y,

   227

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

   228

					IsTransparencySet(TO_STRUCTURES)

   229

				);

   230

			}

   231

			break;

   232

		}

   233

	}

   234

}

   235

   236

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

   237

{

   238

	if (IsOwnedLand(tile)) {

   239

		uint z;

   240

		Slope tileh = GetTileSlope(tile, &z);

   241

   242

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

   243

	} else {

   244

		return GetTileMaxZ(tile);

   245

	}

   246

}

   247

   248

static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh)

   249

{

   250

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

   251

}

   252

   253

static CommandCost ClearTile_Unmovable(TileIndex tile, byte flags)

   254

{

   255

	if (IsCompanyHQ(tile)) {

   256

		if (_current_player == OWNER_WATER) {

   257

			return DestroyCompanyHQ(GetTileOwner(tile), DC_EXEC);

   258

		} else {

   259

			return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   260

		}

   261

	}

   262

   263

	if (IsOwnedLand(tile)) {

   264

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

   265

	}

   266

   267

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

   268

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

   269

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   270

   271

	if (IsStatue(tile)) {

   272

		TownID town = GetStatueTownID(tile);

   273

		ClrBit(GetTown(town)->statues, _current_player);

   274

		InvalidateWindow(WC_TOWN_AUTHORITY, town);

   275

	}

   276

   277

	if (flags & DC_EXEC) {

   278

		DoClearSquare(tile);

   279

	}

   280

   281

	return CommandCost();

   282

}

   283

   284

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   285

{

   286

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

   287

   288

	if (!IsCompanyHQ(tile)) return;

   289

   290

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

   291

	 * between 4 tiles it occupies! */

   292

   293

	level = GetCompanyHQSize(tile) + 1;

   294

   295

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

   296

	 * type makes 20. */

   297

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

   298

   299

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

   300

	 * proportion passengers:mail is different because such a huge

   301

	 * commercial building generates unusually high amount of mail

   302

	 * correspondence per physical visitor. */

   303

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

   304

}

   305

   306

   307

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   308

{

   309

	switch (GetUnmovableType(tile)) {

   310

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

   311

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

   312

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

   313

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

   314

		default:                    td->str = STR_5803_COMPANY_HEADQUARTERS; break;

   315

	}

   316

	td->owner = GetTileOwner(tile);

   317

}

   318

   319

static void AnimateTile_Unmovable(TileIndex tile)

   320

{

   321

	/* not used */

   322

}

   323

   324

static void TileLoop_Unmovable(TileIndex tile)

   325

{

   326

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

   327

	uint32 r;

   328

   329

	if (!IsCompanyHQ(tile)) return;

   330

   331

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

   332

	 * between 4 tiles it occupies! */

   333

   334

	level = GetCompanyHQSize(tile) + 1;

   335

	assert(level < 6);

   336

   337

	r = Random();

   338

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

   339

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

   340

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

   341

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

   342

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

   343

	}

   344

   345

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

   346

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

   347

	 * equations. */

   348

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

   349

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

   350

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

   351

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

   352

	}

   353

}

   354

   355

   356

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

   357

{

   358

	return 0;

   359

}

   360

   361

static void ClickTile_Unmovable(TileIndex tile)

   362

{

   363

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

   364

}

   365

   366

   367

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

   368

static bool IsRadioTowerNearby(TileIndex tile)

   369

{

   370

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

   371

   372

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   373

		if (IsTransmitterTile(tile)) return true;

   374

	END_TILE_LOOP(tile, 9, 9, tile_s)

   375

   376

	return false;

   377

}

   378

   379

void GenerateUnmovables()

   380

{

   381

	int i, li, j, loop_count;

   382

	TileIndex tile;

   383

	uint h;

   384

	uint maxx;

   385

	uint maxy;

   386

   387

	if (_opt.landscape == LT_TOYLAND) return;

   388

   389

	/* add radio tower */

   390

	i = ScaleByMapSize(1000);

   391

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

   392

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

   393

	SetGeneratingWorldProgress(GWP_UNMOVABLE, j + li);

   394

   395

	do {

   396

		tile = RandomTile();

   397

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

   398

			if (IsRadioTowerNearby(tile)) continue;

   399

			MakeTransmitter(tile);

   400

			IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   401

			if (--j == 0) break;

   402

		}

   403

	} while (--i);

   404

   405

	if (_opt.landscape == LT_TROPIC) return;

   406

   407

	/* add lighthouses */

   408

	i = li;

   409

	maxx = MapMaxX();

   410

	maxy = MapMaxY();

   411

	loop_count = 0;

   412

	do {

   413

		uint32 r;

   414

		DiagDirection dir;

   415

		int perimeter;

   416

   417

restart:

   418

		/* Avoid infinite loops */

   419

		if (++loop_count > 1000) break;

   420

   421

		r = Random();

   422

   423

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

   424

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

   425

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

   426

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

   427

		}

   428

   429

		switch (dir) {

   430

			default:

   431

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

   432

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

   433

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

   434

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

   435

		}

   436

		j = 20;

   437

		do {

   438

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

   439

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

   440

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

   441

   442

		assert(tile == TILE_MASK(tile));

   443

   444

		MakeLighthouse(tile);

   445

		IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);

   446

	} while (--i);

   447

}

   448

   449

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

   450

{

   451

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

   452

   453

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

   454

		SetTileOwner(tile, new_player);

   455

	} else {

   456

		DoClearSquare(tile);

   457

	}

   458

}

   459

   460

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

   461

{

   462

	/* Owned land remains unsold */

   463

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

   464

   465

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

   466

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

   467

	}

   468

   469

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

   470

}

   471

   472

extern const TileTypeProcs _tile_type_unmovable_procs = {

   473

	DrawTile_Unmovable,             /* draw_tile_proc */

   474

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   475

	ClearTile_Unmovable,            /* clear_tile_proc */

   476

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   477

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   478

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   479

	ClickTile_Unmovable,            /* click_tile_proc */

   480

	AnimateTile_Unmovable,          /* animate_tile_proc */

   481

	TileLoop_Unmovable,             /* tile_loop_clear */

   482

	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */

   483

	NULL,                           /* get_produced_cargo_proc */

   484

	NULL,                           /* vehicle_enter_tile_proc */

   485

	GetFoundation_Unmovable,        /* get_foundation_proc */

   486

	TerraformTile_Unmovable,        /* terraform_tile_proc */

   487

};