1

/* $Id$ */

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#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"

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#include "viewport.h"

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#include "player.h"

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#include "gui.h"

    14

#include "station.h"

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#include "economy.h"

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#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, 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

	int32 ret;

    73

    74

	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);

    75

    76

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

    77

	if (CmdFailed(ret)) return ret;

    78

	cost = ret;

    79

    80

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

    81

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

    82

		if (CmdFailed(ret)) return CMD_ERROR;

    83

		cost += ret;

    84

	}

    85

    86

	if (flags & DC_EXEC) {

    87

		int score = UpdateCompanyRatingAndValue(p, false);

    88

    89

		p->location_of_house = tile;

    90

    91

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

    92

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

    93

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

    94

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

    95

		UpdatePlayerHouse(p, score);

    96

		InvalidateWindow(WC_COMPANY, p->index);

    97

	}

    98

    99

	return cost;

   100

}

   101

   102

typedef struct DrawTileUnmovableStruct {

   103

	uint16 image;

   104

	byte subcoord_x;

   105

	byte subcoord_y;

   106

	byte width;

   107

	byte height;

   108

	byte z_size;

   109

	byte unused;

   110

} DrawTileUnmovableStruct;

   111

   112

#include "table/unmovable_land.h"

   113

   114

static void DrawTile_Unmovable(TileInfo *ti)

   115

{

   116

	uint32 image, ormod;

   117

   118

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

   119

		if (ti->map5 == 2) {

   120

   121

			// statue

   122

			DrawGroundSprite(SPR_CONCRETE_GROUND);

   123

   124

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

   125

			image += PALETTE_MODIFIER_COLOR | SPR_STATUE_COMPANY;

   126

			if (_display_opt & DO_TRANS_BUILDINGS)

   127

				MAKE_TRANSPARENT(image);

   128

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

   129

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

   130

   131

			// "owned by" sign

   132

			DrawClearLandTile(ti, 0);

   133

   134

			AddSortableSpriteToDraw(

   135

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

   136

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

   137

				1, 1,

   138

				10,

   139

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

   140

			);

   141

		} else {

   142

			// lighthouse or transmitter

   143

   144

			const DrawTileUnmovableStruct *dtus;

   145

   146

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

   147

			DrawClearLandTile(ti, 2);

   148

   149

			dtus = &_draw_tile_unmovable_data[ti->map5];

   150

   151

			image = dtus->image;

   152

			if (_display_opt & DO_TRANS_BUILDINGS)

   153

				MAKE_TRANSPARENT(image);

   154

   155

			AddSortableSpriteToDraw(image,

   156

				ti->x | dtus->subcoord_x,

   157

				ti->y | dtus->subcoord_y,

   158

				dtus->width, dtus->height,

   159

				dtus->z_size, ti->z);

   160

		}

   161

	} else {

   162

		const DrawTileSeqStruct *dtss;

   163

		const DrawTileSprites *t;

   164

   165

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

   166

   167

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

   168

   169

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

   170

		DrawGroundSprite(t->ground_sprite | ormod);

   171

   172

		foreach_draw_tile_seq(dtss, t->seq) {

   173

			image = dtss->image;

   174

			if (_display_opt & DO_TRANS_BUILDINGS) {

   175

				MAKE_TRANSPARENT(image);

   176

			} else {

   177

				image |= ormod;

   178

			}

   179

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

   180

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

   181

		}

   182

	}

   183

}

   184

   185

static uint GetSlopeZ_Unmovable(const TileInfo* ti)

   186

{

   187

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

   188

}

   189

   190

static uint GetSlopeTileh_Unmovable(const TileInfo *ti)

   191

{

   192

	return 0;

   193

}

   194

   195

static int32 ClearTile_Unmovable(TileIndex tile, byte flags)

   196

{

   197

	byte m5 = _m[tile].m5;

   198

   199

	if (m5 & 0x80) {

   200

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

   201

		return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   202

	}

   203

   204

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

   205

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

   206

   207

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

   208

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

   209

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   210

   211

	if (flags & DC_EXEC) {

   212

		DoClearSquare(tile);

   213

	}

   214

   215

	return 0;

   216

}

   217

   218

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   219

{

   220

	byte m5 = _m[tile].m5;

   221

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

   222

   223

	if (!(m5 & 0x80)) {

   224

		/* not used */

   225

		return;

   226

	}

   227

   228

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

   229

	 * between 4 tiles it occupies! */

   230

   231

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

   232

   233

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

   234

	// type makes 20.

   235

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

   236

   237

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

   238

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

   239

	// commercial building generates unusually high amount of mail

   240

	// correspondence per physical visitor.

   241

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

   242

}

   243

   244

static const StringID _unmovable_tile_str[] = {

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	STR_5803_COMPANY_HEADQUARTERS,

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	STR_5801_TRANSMITTER,

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	STR_5802_LIGHTHOUSE,

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	STR_2016_STATUE,

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	STR_5805_COMPANY_OWNED_LAND,

   250

};

   251

   252

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   253

{

   254

	int i = _m[tile].m5;

   255

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

   256

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

   257

	td->owner = GetTileOwner(tile);

   258

}

   259

   260

static void AnimateTile_Unmovable(TileIndex tile)

   261

{

   262

	/* not used */

   263

}

   264

   265

static void TileLoop_Unmovable(TileIndex tile)

   266

{

   267

	byte m5 = _m[tile].m5;

   268

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

   269

	uint32 r;

   270

   271

	if (!(m5 & 0x80)) {

   272

		/* not used */

   273

		return;

   274

	}

   275

   276

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

   277

	 * between 4 tiles it occupies! */

   278

   279

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

   280

	assert(level < 6);

   281

   282

	r = Random();

   283

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

   284

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

   285

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

   286

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

   287

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

   288

	}

   289

   290

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

   291

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

   292

	// equations.

   293

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

   294

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

   295

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

   296

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

   297

	}

   298

}

   299

   300

   301

static uint32 GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode)

   302

{

   303

	return 0;

   304

}

   305

   306

static void ClickTile_Unmovable(TileIndex tile)

   307

{

   308

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

   309

		ShowPlayerCompany(GetTileOwner(tile));

   310

	}

   311

}

   312

   313

   314

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

   315

static bool checkRadioTowerNearby(TileIndex tile)

   316

{

   317

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

   318

   319

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   320

		// already a radio tower here?

   321

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

   322

			return false;

   323

	END_TILE_LOOP(tile, 9, 9, tile_s)

   324

	return true;

   325

}

   326

   327

void GenerateUnmovables(void)

   328

{

   329

	int i,j;

   330

	TileIndex tile;

   331

	uint h;

   332

	uint maxx;

   333

	uint maxy;

   334

   335

	if (_opt.landscape == LT_CANDY) return;

   336

   337

	/* add radio tower */

   338

	i = ScaleByMapSize(1000);

   339

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

   340

	do {

   341

		tile = RandomTile();

   342

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

   343

			if (!checkRadioTowerNearby(tile)) continue;

   344

			SetTileType(tile, MP_UNMOVABLE);

   345

			SetTileOwner(tile, OWNER_NONE);

   346

			_m[tile].m5 = 0;

   347

			if (--j == 0) break;

   348

		}

   349

	} while (--i);

   350

   351

	if (_opt.landscape == LT_DESERT) return;

   352

   353

	/* add lighthouses */

   354

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

   355

	maxx = MapMaxX();

   356

	maxy = MapMaxY();

   357

	do {

   358

		uint32 r;

   359

		DiagDirection dir;

   360

   361

restart:

   362

		r = Random();

   363

		dir = GB(r, 30, 2);

   364

		switch (dir) {

   365

			default:

   366

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

   367

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

   368

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

   369

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

   370

		}

   371

		j = 20;

   372

		do {

   373

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

   374

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

   375

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

   376

   377

		assert(tile == TILE_MASK(tile));

   378

   379

		SetTileType(tile, MP_UNMOVABLE);

   380

		SetTileOwner(tile, OWNER_NONE);

   381

		_m[tile].m5 = 1;

   382

	} while (--i);

   383

}

   384

   385

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

   386

{

   387

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

   388

   389

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

   390

		SetTileOwner(tile, new_player);

   391

	} else {

   392

		DoClearSquare(tile);

   393

	}

   394

}

   395

   396

const TileTypeProcs _tile_type_unmovable_procs = {

   397

	DrawTile_Unmovable,             /* draw_tile_proc */

   398

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   399

	ClearTile_Unmovable,            /* clear_tile_proc */

   400

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   401

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   402

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   403

	ClickTile_Unmovable,            /* click_tile_proc */

   404

	AnimateTile_Unmovable,          /* animate_tile_proc */

   405

	TileLoop_Unmovable,             /* tile_loop_clear */

   406

	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */

   407

	NULL,                           /* get_produced_cargo_proc */

   408

	NULL,                           /* vehicle_enter_tile_proc */

   409

	NULL,                           /* vehicle_leave_tile_proc */

   410

	GetSlopeTileh_Unmovable,        /* get_slope_tileh_proc */

   411

};