1

/* $Id$ */

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     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "table/strings.h"

     6

#include "table/sprites.h"

     7

#include "functions.h"

     8

#include "map.h"

     9

#include "tile.h"

    10

#include "command.h"

    11

#include "viewport.h"

    12

#include "player.h"

    13

#include "gui.h"

    14

#include "station.h"

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#include "economy.h"

    16

#include "town.h"

    17

#include "sprite.h"

    18

#include "variables.h"

    19

    20

/** Destroy a HQ.

    21

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

    22

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

    23

 * @param tile tile coordinates where HQ is located to destroy

    24

 * @param flags docommand flags of calling function

    25

 */

    26

int32 DestroyCompanyHQ(TileIndex tile, uint32 flags)

    27

{

    28

	Player *p;

    29

    30

	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);

    31

    32

	/* Find player that has HQ flooded, and reset their location_of_house */

    33

	if (_current_player == OWNER_WATER) {

    34

		bool dodelete = false;

    35

    36

		FOR_ALL_PLAYERS(p) {

    37

			if (p->location_of_house == tile) {

    38

				dodelete = true;

    39

				break;

    40

			}

    41

		}

    42

		if (!dodelete) return CMD_ERROR;

    43

	} else /* Destruction was initiated by player */

    44

		p = GetPlayer(_current_player);

    45

    46

		if (p->location_of_house == 0) return CMD_ERROR;

    47

    48

		if (flags & DC_EXEC) {

    49

			DoClearSquare(p->location_of_house + TileDiffXY(0, 0));

    50

			DoClearSquare(p->location_of_house + TileDiffXY(0, 1));

    51

			DoClearSquare(p->location_of_house + TileDiffXY(1, 0));

    52

			DoClearSquare(p->location_of_house + TileDiffXY(1, 1));

    53

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

    54

			InvalidateWindow(WC_COMPANY, (int)p->index);

    55

		}

    56

    57

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

    58

		return CalculateCompanyValue(p) / 100;

    59

}

    60

    61

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

    62

 * @param x,y the coordinates where the HQ will be built or relocated to

    63

 * @param p1 relocate HQ (set to some value, usually 1 or true)

    64

 * @param p2 unused

    65

 */

    66

extern int32 CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, int *);

    67

int32 CmdBuildCompanyHQ(int x, int y, uint32 flags, uint32 p1, uint32 p2)

    68

{

    69

	TileIndex tile = TileVirtXY(x, y);

    70

	Player *p = GetPlayer(_current_player);

    71

	int cost;

    72

    73

	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);

    74

    75

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

    76

	if (CmdFailed(cost)) return CMD_ERROR;

    77

    78

	if (p1) { /* Moving HQ */

    79

		int32 ret;

    80

    81

		if (p->location_of_house == 0) return CMD_ERROR;

    82

    83

		ret = DestroyCompanyHQ(p->location_of_house, flags);

    84

    85

		if (CmdFailed(ret)) return CMD_ERROR;

    86

    87

		cost += ret;

    88

	} else { /* Building new HQ */

    89

		if (p->location_of_house != 0) return CMD_ERROR;

    90

	}

    91

    92

	if (flags & DC_EXEC) {

    93

		int score = UpdateCompanyRatingAndValue(p, false);

    94

    95

		p->location_of_house = tile;

    96

    97

		ModifyTile(tile + TileDiffXY(0, 0), MP_SETTYPE(MP_UNMOVABLE) | MP_MAPOWNER_CURRENT | MP_MAP5, 0x80);

    98

		ModifyTile(tile + TileDiffXY(0, 1), MP_SETTYPE(MP_UNMOVABLE) | MP_MAPOWNER_CURRENT | MP_MAP5, 0x81);

    99

		ModifyTile(tile + TileDiffXY(1, 0), MP_SETTYPE(MP_UNMOVABLE) | MP_MAPOWNER_CURRENT | MP_MAP5, 0x82);

   100

		ModifyTile(tile + TileDiffXY(1, 1), MP_SETTYPE(MP_UNMOVABLE) | MP_MAPOWNER_CURRENT | MP_MAP5, 0x83);

   101

		UpdatePlayerHouse(p, score);

   102

		InvalidateWindow(WC_COMPANY, (int)p->index);

   103

	}

   104

   105

	return cost;

   106

}

   107

   108

typedef struct DrawTileUnmovableStruct {

   109

	uint16 image;

   110

	byte subcoord_x;

   111

	byte subcoord_y;

   112

	byte width;

   113

	byte height;

   114

	byte z_size;

   115

	byte unused;

   116

} DrawTileUnmovableStruct;

   117

   118

#include "table/unmovable_land.h"

   119

   120

static void DrawTile_Unmovable(TileInfo *ti)

   121

{

   122

	uint32 image, ormod;

   123

   124

	if (!(ti->map5 & 0x80)) {

   125

		if (ti->map5 == 2) {

   126

   127

			// statue

   128

			DrawGroundSprite(0x58C);

   129

   130

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

   131

			image += 0x8A48;

   132

			if (_display_opt & DO_TRANS_BUILDINGS)

   133

				MAKE_TRANSPARENT(image);

   134

			AddSortableSpriteToDraw(image, ti->x, ti->y, 16, 16, 25, ti->z);

   135

		} else if (ti->map5 == 3) {

   136

   137

			// "owned by" sign

   138

			DrawClearLandTile(ti, 0);

   139

   140

			AddSortableSpriteToDraw(

   141

				PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)) + 0x92B6,

   142

				ti->x+8, ti->y+8,

   143

				1, 1,

   144

				10,

   145

				GetSlopeZ(ti->x+8, ti->y+8)

   146

			);

   147

		} else {

   148

			// lighthouse or transmitter

   149

   150

			const DrawTileUnmovableStruct *dtus;

   151

   152

			if (ti->tileh) DrawFoundation(ti, ti->tileh);

   153

			DrawClearLandTile(ti, 2);

   154

   155

			dtus = &_draw_tile_unmovable_data[ti->map5];

   156

   157

			image = dtus->image;

   158

			if (_display_opt & DO_TRANS_BUILDINGS)

   159

				MAKE_TRANSPARENT(image);

   160

   161

			AddSortableSpriteToDraw(image,

   162

				ti->x | dtus->subcoord_x,

   163

				ti->y | dtus->subcoord_y,

   164

				dtus->width, dtus->height,

   165

				dtus->z_size, ti->z);

   166

		}

   167

	} else {

   168

		const DrawTileSeqStruct *dtss;

   169

		const DrawTileSprites *t;

   170

   171

		if (ti->tileh) DrawFoundation(ti, ti->tileh);

   172

   173

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

   174

   175

		t = &_unmovable_display_datas[ti->map5 & 0x7F];

   176

		DrawGroundSprite(t->ground_sprite | ormod);

   177

   178

		foreach_draw_tile_seq(dtss, t->seq) {

   179

			image = dtss->image;

   180

			if (_display_opt & DO_TRANS_BUILDINGS) {

   181

				MAKE_TRANSPARENT(image);

   182

			} else {

   183

				image |= ormod;

   184

			}

   185

			AddSortableSpriteToDraw(image, ti->x + dtss->delta_x, ti->y + dtss->delta_y,

   186

				dtss->width, dtss->height, dtss->unk, ti->z + dtss->delta_z);

   187

		}

   188

	}

   189

}

   190

   191

static uint GetSlopeZ_Unmovable(TileInfo *ti)

   192

{

   193

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

   194

}

   195

   196

static uint GetSlopeTileh_Unmovable(TileInfo *ti)

   197

{

   198

	return 0;

   199

}

   200

   201

static int32 ClearTile_Unmovable(TileIndex tile, byte flags)

   202

{

   203

	byte m5 = _m[tile].m5;

   204

   205

	if (m5 & 0x80) {

   206

		if (_current_player == OWNER_WATER) return DestroyCompanyHQ(tile, DC_EXEC);

   207

		return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   208

	}

   209

   210

	if (m5 == 3) // company owned land

   211

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

   212

   213

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

   214

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

   215

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   216

   217

	if (flags & DC_EXEC) {

   218

		DoClearSquare(tile);

   219

	}

   220

   221

	return 0;

   222

}

   223

   224

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   225

{

   226

	byte m5 = _m[tile].m5;

   227

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

   228

   229

	if (!(m5 & 0x80)) {

   230

		/* not used */

   231

		return;

   232

	}

   233

   234

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

   235

	 * between 4 tiles it occupies! */

   236

   237

	level = (m5 & ~0x80) / 4 + 1;

   238

   239

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

   240

	// type makes 20.

   241

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

   242

   243

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

   244

	// proportion passengers:mail is different because such a huge

   245

	// commercial building generates unusually high amount of mail

   246

	// correspondence per physical visitor.

   247

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

   248

}

   249

   250

static const StringID _unmovable_tile_str[] = {

   251

	STR_5803_COMPANY_HEADQUARTERS,

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	STR_5801_TRANSMITTER,

   253

	STR_5802_LIGHTHOUSE,

   254

	STR_2016_STATUE,

   255

	STR_5805_COMPANY_OWNED_LAND,

   256

};

   257

   258

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   259

{

   260

	int i = _m[tile].m5;

   261

	if (i & 0x80) i = -1;

   262

	td->str = _unmovable_tile_str[i + 1];

   263

	td->owner = GetTileOwner(tile);

   264

}

   265

   266

static void AnimateTile_Unmovable(TileIndex tile)

   267

{

   268

	/* not used */

   269

}

   270

   271

static void TileLoop_Unmovable(TileIndex tile)

   272

{

   273

	byte m5 = _m[tile].m5;

   274

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

   275

	uint32 r;

   276

   277

	if (!(m5 & 0x80)) {

   278

		/* not used */

   279

		return;

   280

	}

   281

   282

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

   283

	 * between 4 tiles it occupies! */

   284

   285

	level = GB(m5, 0, 7) / 4 + 1;

   286

	assert(level < 6);

   287

   288

	r = Random();

   289

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

   290

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

   291

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

   292

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

   293

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

   294

	}

   295

   296

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

   297

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

   298

	// equations.

   299

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

   300

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

   301

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

   302

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

   303

	}

   304

}

   305

   306

   307

static uint32 GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode)

   308

{

   309

	return 0;

   310

}

   311

   312

static void ClickTile_Unmovable(TileIndex tile)

   313

{

   314

	if (_m[tile].m5 & 0x80) {

   315

		ShowPlayerCompany(GetTileOwner(tile));

   316

	}

   317

}

   318

   319

static const TileIndexDiffC _tile_add[] = {

   320

	{ 1,  0},

   321

	{ 0,  1},

   322

	{-1,  0},

   323

	{ 0, -1}

   324

};

   325

   326

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

   327

static bool checkRadioTowerNearby(TileIndex tile)

   328

{

   329

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

   330

   331

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   332

		// already a radio tower here?

   333

		if (IsTileType(tile, MP_UNMOVABLE) && _m[tile].m5 == 0)

   334

			return false;

   335

	END_TILE_LOOP(tile, 9, 9, tile_s)

   336

	return true;

   337

}

   338

   339

void GenerateUnmovables(void)

   340

{

   341

	int i,j;

   342

	TileIndex tile;

   343

	uint32 r;

   344

	int dir;

   345

	uint h;

   346

   347

	if (_opt.landscape == LT_CANDY)

   348

		return;

   349

   350

	/* add radio tower */

   351

	i = ScaleByMapSize(1000);

   352

	j = ScaleByMapSize(40); // maximum number of radio towers on the map

   353

	do {

   354

		tile = RandomTile();

   355

		if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == 0 && h >= 32) {

   356

			if(!checkRadioTowerNearby(tile))

   357

				continue;

   358

			SetTileType(tile, MP_UNMOVABLE);

   359

			_m[tile].m5 = 0;

   360

			SetTileOwner(tile, OWNER_NONE);

   361

			if (--j == 0)

   362

				break;

   363

		}

   364

	} while (--i);

   365

   366

	if (_opt.landscape == LT_DESERT)

   367

		return;

   368

   369

	/* add lighthouses */

   370

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

   371

	do {

   372

restart:

   373

		r = Random();

   374

		dir = r >> 30;

   375

		r %= (dir == 0 || dir == 2) ? MapMaxY() : MapMaxX();

   376

		tile =

   377

			(dir == 0) ? TileXY(0, r)         : 0 + // left

   378

			(dir == 1) ? TileXY(r, 0)         : 0 + // top

   379

			(dir == 2) ? TileXY(MapMaxX(), r) : 0 + // right

   380

			(dir == 3) ? TileXY(r, MapMaxY()) : 0;  // bottom

   381

		j = 20;

   382

		do {

   383

			if (--j == 0)

   384

				goto restart;

   385

			tile = TILE_MASK(tile + ToTileIndexDiff(_tile_add[dir]));

   386

		} while (!(IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == 0 && h <= 16));

   387

   388

		assert(tile == TILE_MASK(tile));

   389

   390

		SetTileType(tile, MP_UNMOVABLE);

   391

		_m[tile].m5 = 1;

   392

		SetTileOwner(tile, OWNER_NONE);

   393

	} while (--i);

   394

}

   395

   396

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

   397

{

   398

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

   399

   400

	if (_m[tile].m5==3 && new_player != 255) {

   401

		SetTileOwner(tile, new_player);

   402

	} else {

   403

		DoClearSquare(tile);

   404

	}

   405

}

   406

   407

const TileTypeProcs _tile_type_unmovable_procs = {

   408

	DrawTile_Unmovable,             /* draw_tile_proc */

   409

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   410

	ClearTile_Unmovable,            /* clear_tile_proc */

   411

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   412

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   413

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   414

	ClickTile_Unmovable,            /* click_tile_proc */

   415

	AnimateTile_Unmovable,          /* animate_tile_proc */

   416

	TileLoop_Unmovable,             /* tile_loop_clear */

   417

	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */

   418

	NULL,                           /* get_produced_cargo_proc */

   419

	NULL,                           /* vehicle_enter_tile_proc */

   420

	NULL,                           /* vehicle_leave_tile_proc */

   421

	GetSlopeTileh_Unmovable,        /* get_slope_tileh_proc */

   422

};