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"

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#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

static 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 unused

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

    79

		int32 ret = DestroyCompanyHQ(p->location_of_house, flags);

    80

		if (CmdFailed(ret)) return CMD_ERROR;

    81

		cost += ret;

    82

	}

    83

    84

	if (flags & DC_EXEC) {

    85

		int score = UpdateCompanyRatingAndValue(p, false);

    86

    87

		p->location_of_house = tile;

    88

    89

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

    90

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

    91

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

    92

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

    93

		UpdatePlayerHouse(p, score);

    94

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

    95

	}

    96

    97

	return cost;

    98

}

    99

   100

typedef struct DrawTileUnmovableStruct {

   101

	uint16 image;

   102

	byte subcoord_x;

   103

	byte subcoord_y;

   104

	byte width;

   105

	byte height;

   106

	byte z_size;

   107

	byte unused;

   108

} DrawTileUnmovableStruct;

   109

   110

#include "table/unmovable_land.h"

   111

   112

static void DrawTile_Unmovable(TileInfo *ti)

   113

{

   114

	uint32 image, ormod;

   115

   116

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

   117

		if (ti->map5 == 2) {

   118

   119

			// statue

   120

			DrawGroundSprite(SPR_CONCRETE_GROUND);

   121

   122

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

   123

			image += PALETTE_MODIFIER_COLOR | SPR_STATUE_COMPANY;

   124

			if (_display_opt & DO_TRANS_BUILDINGS)

   125

				MAKE_TRANSPARENT(image);

   126

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

   127

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

   128

   129

			// "owned by" sign

   130

			DrawClearLandTile(ti, 0);

   131

   132

			AddSortableSpriteToDraw(

   133

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

   134

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

   135

				1, 1,

   136

				10,

   137

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

   138

			);

   139

		} else {

   140

			// lighthouse or transmitter

   141

   142

			const DrawTileUnmovableStruct *dtus;

   143

   144

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

   145

			DrawClearLandTile(ti, 2);

   146

   147

			dtus = &_draw_tile_unmovable_data[ti->map5];

   148

   149

			image = dtus->image;

   150

			if (_display_opt & DO_TRANS_BUILDINGS)

   151

				MAKE_TRANSPARENT(image);

   152

   153

			AddSortableSpriteToDraw(image,

   154

				ti->x | dtus->subcoord_x,

   155

				ti->y | dtus->subcoord_y,

   156

				dtus->width, dtus->height,

   157

				dtus->z_size, ti->z);

   158

		}

   159

	} else {

   160

		const DrawTileSeqStruct *dtss;

   161

		const DrawTileSprites *t;

   162

   163

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

   164

   165

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

   166

   167

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

   168

		DrawGroundSprite(t->ground_sprite | ormod);

   169

   170

		foreach_draw_tile_seq(dtss, t->seq) {

   171

			image = dtss->image;

   172

			if (_display_opt & DO_TRANS_BUILDINGS) {

   173

				MAKE_TRANSPARENT(image);

   174

			} else {

   175

				image |= ormod;

   176

			}

   177

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

   178

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

   179

		}

   180

	}

   181

}

   182

   183

static uint GetSlopeZ_Unmovable(const TileInfo* ti)

   184

{

   190

}

   191

   192

static uint GetSlopeTileh_Unmovable(const TileInfo *ti)

   193

{

   195

}

   196

   197

static int32 ClearTile_Unmovable(TileIndex tile, byte flags)

   198

{

   199

	byte m5 = _m[tile].m5;

   200

   201

	if (m5 & 0x80) {

   202

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

   203

		return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   204

	}

   205

   206

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

   207

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

   208

   209

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

   210

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

   211

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   212

   213

	if (flags & DC_EXEC) {

   214

		DoClearSquare(tile);

   215

	}

   216

   217

	return 0;

   218

}

   219

   220

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   221

{

   222

	byte m5 = _m[tile].m5;

   223

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

   224

   225

	if (!(m5 & 0x80)) {

   226

		/* not used */

   227

		return;

   228

	}

   229

   230

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

   231

	 * between 4 tiles it occupies! */

   232

   233

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

   234

   235

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

   236

	// type makes 20.

   237

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

   238

   239

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

   240

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

   241

	// commercial building generates unusually high amount of mail

   242

	// correspondence per physical visitor.

   243

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

   244

}

   245

   246

static const StringID _unmovable_tile_str[] = {

   247

	STR_5803_COMPANY_HEADQUARTERS,

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	STR_5801_TRANSMITTER,

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	STR_5802_LIGHTHOUSE,

   250

	STR_2016_STATUE,

   251

	STR_5805_COMPANY_OWNED_LAND,

   252

};

   253

   254

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   255

{

   256

	int i = _m[tile].m5;

   257

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

   258

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

   259

	td->owner = GetTileOwner(tile);

   260

}

   261

   262

static void AnimateTile_Unmovable(TileIndex tile)

   263

{

   264

	/* not used */

   265

}

   266

   267

static void TileLoop_Unmovable(TileIndex tile)

   268

{

   269

	byte m5 = _m[tile].m5;

   270

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

   271

	uint32 r;

   272

   273

	if (!(m5 & 0x80)) {

   274

		/* not used */

   275

		return;

   276

	}

   277

   278

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

   279

	 * between 4 tiles it occupies! */

   280

   281

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

   282

	assert(level < 6);

   283

   284

	r = Random();

   285

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

   286

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

   287

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

   288

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

   289

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

   290

	}

   291

   292

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

   293

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

   294

	// equations.

   295

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

   296

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

   297

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

   298

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

   299

	}

   300

}

   301

   302

   303

static uint32 GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode)

   304

{

   305

	return 0;

   306

}

   307

   308

static void ClickTile_Unmovable(TileIndex tile)

   309

{

   310

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

   311

		ShowPlayerCompany(GetTileOwner(tile));

   312

	}

   313

}

   314

   315

static const TileIndexDiffC _tile_add[] = {

   316

	{ 1,  0},

   317

	{ 0,  1},

   318

	{-1,  0},

   319

	{ 0, -1}

   320

};

   321

   322

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

   323

static bool checkRadioTowerNearby(TileIndex tile)

   324

{

   325

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

   326

   327

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   328

		// already a radio tower here?

   329

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

   330

			return false;

   331

	END_TILE_LOOP(tile, 9, 9, tile_s)

   332

	return true;

   333

}

   334

   335

void GenerateUnmovables(void)

   336

{

   337

	int i,j;

   338

	TileIndex tile;

   339

	uint32 r;

   340

	int dir;

   341

	uint h;

   342

   343

	if (_opt.landscape == LT_CANDY)

   344

		return;

   345

   346

	/* add radio tower */

   347

	i = ScaleByMapSize(1000);

   348

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

   349

	do {

   350

		tile = RandomTile();

   351

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

   352

			if(!checkRadioTowerNearby(tile))

   353

				continue;

   354

			SetTileType(tile, MP_UNMOVABLE);

   355

			_m[tile].m5 = 0;

   356

			SetTileOwner(tile, OWNER_NONE);

   357

			if (--j == 0)

   358

				break;

   359

		}

   360

	} while (--i);

   361

   362

	if (_opt.landscape == LT_DESERT)

   363

		return;

   364

   365

	/* add lighthouses */

   366

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

   367

	do {

   368

restart:

   369

		r = Random();

   370

		dir = r >> 30;

   371

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

   372

		tile =

   373

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

   374

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

   375

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

   376

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

   377

		j = 20;

   378

		do {

   379

			if (--j == 0)

   380

				goto restart;

   381

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

   382

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

   383

   384

		assert(tile == TILE_MASK(tile));

   385

   386

		SetTileType(tile, MP_UNMOVABLE);

   387

		_m[tile].m5 = 1;

   388

		SetTileOwner(tile, OWNER_NONE);

   389

	} while (--i);

   390

}

   391

   392

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

   393

{

   394

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

   395

   396

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

   397

		SetTileOwner(tile, new_player);

   398

	} else {

   399

		DoClearSquare(tile);

   400

	}

   401

}

   402

   403

const TileTypeProcs _tile_type_unmovable_procs = {

   404

	DrawTile_Unmovable,             /* draw_tile_proc */

   405

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   406

	ClearTile_Unmovable,            /* clear_tile_proc */

   407

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   408

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   409

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   410

	ClickTile_Unmovable,            /* click_tile_proc */

   411

	AnimateTile_Unmovable,          /* animate_tile_proc */

   412

	TileLoop_Unmovable,             /* tile_loop_clear */

   413

	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */

   414

	NULL,                           /* get_produced_cargo_proc */

   415

	NULL,                           /* vehicle_enter_tile_proc */

   416

	NULL,                           /* vehicle_leave_tile_proc */

   417

	GetSlopeTileh_Unmovable,        /* get_slope_tileh_proc */

   418

};