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/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "table/strings.h"

     6

#include "table/sprites.h"

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#include "functions.h"

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#include "map.h"

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#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"

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#include "station.h"

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#include "economy.h"

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#include "town.h"

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#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

    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);

    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

{

   185

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

   186

}

   187

   188

static uint GetSlopeTileh_Unmovable(const TileInfo *ti)

   189

{

   190

	return 0;

   191

}

   192

   193

static int32 ClearTile_Unmovable(TileIndex tile, byte flags)

   194

{

   195

	byte m5 = _m[tile].m5;

   196

   197

	if (m5 & 0x80) {

   198

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

   199

		return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);

   200

	}

   201

   202

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

   203

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

   204

   205

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

   206

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

   207

		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   208

   209

	if (flags & DC_EXEC) {

   210

		DoClearSquare(tile);

   211

	}

   212

   213

	return 0;

   214

}

   215

   216

static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)

   217

{

   218

	byte m5 = _m[tile].m5;

   219

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

   220

   221

	if (!(m5 & 0x80)) {

   222

		/* not used */

   223

		return;

   224

	}

   225

   226

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

   227

	 * between 4 tiles it occupies! */

   228

   229

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

   230

   231

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

   232

	// type makes 20.

   233

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

   234

   235

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

   236

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

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	// commercial building generates unusually high amount of mail

   238

	// correspondence per physical visitor.

   239

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

   240

}

   241

   242

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,

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};

   249

   250

static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)

   251

{

   252

	int i = _m[tile].m5;

   253

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

   254

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

   255

	td->owner = GetTileOwner(tile);

   256

}

   257

   258

static void AnimateTile_Unmovable(TileIndex tile)

   259

{

   260

	/* not used */

   261

}

   262

   263

static void TileLoop_Unmovable(TileIndex tile)

   264

{

   265

	byte m5 = _m[tile].m5;

   266

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

   267

	uint32 r;

   268

   269

	if (!(m5 & 0x80)) {

   270

		/* not used */

   271

		return;

   272

	}

   273

   274

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

   275

	 * between 4 tiles it occupies! */

   276

   277

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

   278

	assert(level < 6);

   279

   280

	r = Random();

   281

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

   282

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

   283

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

   284

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

   285

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

   286

	}

   287

   288

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

   289

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

   290

	// equations.

   291

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

   292

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

   293

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

   294

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

   295

	}

   296

}

   297

   298

   299

static uint32 GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode)

   300

{

   301

	return 0;

   302

}

   303

   304

static void ClickTile_Unmovable(TileIndex tile)

   305

{

   306

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

   307

		ShowPlayerCompany(GetTileOwner(tile));

   308

	}

   309

}

   310

   311

static const TileIndexDiffC _tile_add[] = {

   312

	{ 1,  0},

   313

	{ 0,  1},

   314

	{-1,  0},

   315

	{ 0, -1}

   316

};

   317

   318

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

   319

static bool checkRadioTowerNearby(TileIndex tile)

   320

{

   321

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

   322

   323

	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)

   324

		// already a radio tower here?

   325

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

   326

			return false;

   327

	END_TILE_LOOP(tile, 9, 9, tile_s)

   328

	return true;

   329

}

   330

   331

void GenerateUnmovables(void)

   332

{

   333

	int i,j;

   334

	TileIndex tile;

   335

	uint32 r;

   336

	int dir;

   337

	uint h;

   338

   339

	if (_opt.landscape == LT_CANDY) return;

   340

   341

	/* add radio tower */

   342

	i = ScaleByMapSize(1000);

   343

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

   344

	do {

   345

		tile = RandomTile();

   346

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

   347

			if (!checkRadioTowerNearby(tile)) continue;

   348

			SetTileType(tile, MP_UNMOVABLE);

   350

			_m[tile].m5 = 0;

   351

			if (--j == 0) break;

   352

		}

   353

	} while (--i);

   354

   355

	if (_opt.landscape == LT_DESERT) return;

   356

   357

	/* add lighthouses */

   358

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

   359

	do {

   360

restart:

   361

		r = Random();

   362

		dir = r >> 30;

   363

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

   364

		tile =

   365

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

   366

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

   367

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

   368

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

   369

		j = 20;

   370

		do {

   371

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

   372

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

   373

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

   374

   375

		assert(tile == TILE_MASK(tile));

   376

   377

		SetTileType(tile, MP_UNMOVABLE);

   379

		_m[tile].m5 = 1;

   380

	} while (--i);

   381

}

   382

   383

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

   384

{

   385

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

   386

   387

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

   388

		SetTileOwner(tile, new_player);

   389

	} else {

   390

		DoClearSquare(tile);

   391

	}

   392

}

   393

   394

const TileTypeProcs _tile_type_unmovable_procs = {

   395

	DrawTile_Unmovable,             /* draw_tile_proc */

   396

	GetSlopeZ_Unmovable,            /* get_slope_z_proc */

   397

	ClearTile_Unmovable,            /* clear_tile_proc */

   398

	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */

   399

	GetTileDesc_Unmovable,          /* get_tile_desc_proc */

   400

	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */

   401

	ClickTile_Unmovable,            /* click_tile_proc */

   402

	AnimateTile_Unmovable,          /* animate_tile_proc */

   403

	TileLoop_Unmovable,             /* tile_loop_clear */

   404

	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */

   405

	NULL,                           /* get_produced_cargo_proc */

   406

	NULL,                           /* vehicle_enter_tile_proc */

   407

	NULL,                           /* vehicle_leave_tile_proc */

   408

	GetSlopeTileh_Unmovable,        /* get_slope_tileh_proc */

   409

};