1

/* $Id$ */

     2

     3

#ifdef ENABLE_NETWORK

     4

#include "../stdafx.h"

     5

#include "../openttd.h"

     6

#include "../string.h"

     7

#include "../strings.h"

     8

#include "../table/sprites.h"

     9

#include "network.h"

    10

#include "../date.h"

    11

    12

#include "../fios.h"

    13

#include "table/strings.h"

    14

#include "../functions.h"

    15

#include "network_data.h"

    16

#include "network_client.h"

    17

#include "network_gui.h"

    18

#include "network_gamelist.h"

    19

#include "../window.h"

    20

#include "../gui.h"

    21

#include "../gfx.h"

    22

#include "../command.h"

    23

#include "../variables.h"

    24

#include "network_server.h"

    25

#include "network_udp.h"

    26

#include "../settings.h"

    27

#include "../string.h"

    28

#include "../town.h"

    29

#include "../newgrf.h"

    30

#include "../helpers.hpp"

    31

    32

#define BGC 5

    33

#define BTC 15

    34

    35

struct network_d {

    36

	PlayerID company;        // select company in network lobby

    37

	byte field;              // select text-field in start-server and game-listing

    38

	NetworkGameList *server; // selected server in lobby and game-listing

    39

	FiosItem *map;           // selected map in start-server

    40

};

    41

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

    42

    43

struct network_ql_d {

    44

	network_d n;                 // see above; general stuff

    45

	querystr_d q;                // text-input in start-server and game-listing

    46

	NetworkGameList **sort_list; // list of games (sorted)

    47

	list_d l;                    // accompanying list-administration

    48

};

    49

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

    50

    51

/* Global to remember sorting after window has been closed */

    52

static Listing _ng_sorting;

    53

    54

static char _edit_str_buf[150];

    55

static bool _chat_tab_completion_active;

    56

    57

static void ShowNetworkStartServerWindow();

    58

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    59

extern void SwitchMode(int new_mode);

    60

    61

static const StringID _connection_types_dropdown[] = {

    62

	STR_NETWORK_LAN_INTERNET,

    63

	STR_NETWORK_INTERNET_ADVERTISE,

    64

	INVALID_STRING_ID

    65

};

    66

    67

static const StringID _lan_internet_types_dropdown[] = {

    68

	STR_NETWORK_LAN,

    69

	STR_NETWORK_INTERNET,

    70

	INVALID_STRING_ID

    71

};

    72

    73

static const StringID _players_dropdown[] = {

    74

	STR_NETWORK_0_PLAYERS,

    75

	STR_NETWORK_1_PLAYERS,

    76

	STR_NETWORK_2_PLAYERS,

    77

	STR_NETWORK_3_PLAYERS,

    78

	STR_NETWORK_4_PLAYERS,

    79

	STR_NETWORK_5_PLAYERS,

    80

	STR_NETWORK_6_PLAYERS,

    81

	STR_NETWORK_7_PLAYERS,

    82

	STR_NETWORK_8_PLAYERS,

    83

	STR_NETWORK_9_PLAYERS,

    84

	STR_NETWORK_10_PLAYERS,

    85

	INVALID_STRING_ID

    86

};

    87

    88

static StringID _language_dropdown[NETLANG_COUNT + 1] = {STR_NULL};

    89

    90

void SortNetworkLanguages() {

    91

	/* Init the strings */

    92

	if (_language_dropdown[0] == STR_NULL) {

    93

		for (int i = 0; i < NETLANG_COUNT; i++) _language_dropdown[i] = STR_NETWORK_LANG_ANY + i;

    94

		_language_dropdown[NETLANG_COUNT] = INVALID_STRING_ID;

    95

	}

    96

    97

	/* Sort the strings (we don't move 'any' and the 'invalid' one) */

    98

	qsort(&_language_dropdown[1], NETLANG_COUNT - 1, sizeof(StringID), &StringIDSorter);

    99

}

   100

   101

enum {

   102

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

   103

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

   104

	NET_PRC__SIZE_OF_ROW                = 14,

   105

};

   106

   107

/** Update the network new window because a new server is

   108

 * found on the network.

   109

 * @param unselect unselect the currently selected item */

   110

void UpdateNetworkGameWindow(bool unselect)

   111

{

   112

	SendWindowMessage(WC_NETWORK_WINDOW, 0, unselect, 0, 0);

   113

}

   114

   115

static bool _internal_sort_order; // Used for Qsort order-flipping

   116

typedef int CDECL NGameNameSortFunction(const void*, const void*);

   117

   118

/** Qsort function to sort by name. */

   119

static int CDECL NGameNameSorter(const void *a, const void *b)

   120

{

   121

	const NetworkGameList *cmp1 = *(const NetworkGameList**)a;

   122

	const NetworkGameList *cmp2 = *(const NetworkGameList**)b;

   123

	int r = strcasecmp(cmp1->info.server_name, cmp2->info.server_name);

   124

   125

	return _internal_sort_order ? -r : r;

   126

}

   127

   128

/** Qsort function to sort by the amount of clients online on a

   129

 * server. If the two servers have the same amount, the one with the

   130

 * higher maximum is preferred. */

   131

static int CDECL NGameClientSorter(const void *a, const void *b)

   132

{

   133

	const NetworkGameList *cmp1 = *(const NetworkGameList**)a;

   134

	const NetworkGameList *cmp2 = *(const NetworkGameList**)b;

   135

	/* Reverse as per default we are interested in most-clients first */

   136

	int r = cmp1->info.clients_on - cmp2->info.clients_on;

   137

   138

	if (r == 0) r = cmp1->info.clients_max - cmp2->info.clients_max;

   139

	if (r == 0) r = strcasecmp(cmp1->info.server_name, cmp2->info.server_name);

   140

   141

	return _internal_sort_order ? -r : r;

   142

}

   143

   144

/** Qsort function to sort by joinability. If both servers are the

   145

 * same, prefer the non-passworded server first. */

   146

static int CDECL NGameAllowedSorter(const void *a, const void *b)

   147

{

   148

	const NetworkGameList *cmp1 = *(const NetworkGameList**)a;

   149

	const NetworkGameList *cmp2 = *(const NetworkGameList**)b;

   150

   151

	/* The servers we do not know anything about (the ones that did not reply) should be at the bottom) */

   152

	int r = StrEmpty(cmp1->info.server_revision) - StrEmpty(cmp2->info.server_revision);

   153

   154

	/* Reverse default as we are interested in version-compatible clients first */

   155

	if (r == 0) r = cmp2->info.version_compatible - cmp1->info.version_compatible;

   156

	/* The version-compatible ones are then sorted with NewGRF compatible first, incompatible last */

   157

	if (r == 0) r = cmp2->info.compatible - cmp1->info.compatible;

   158

	/* Passworded servers should be below unpassworded servers */

   159

	if (r == 0) r = cmp1->info.use_password - cmp2->info.use_password;

   160

	/* Finally sort on the name of the server */

   161

	if (r == 0) r = strcasecmp(cmp1->info.server_name, cmp2->info.server_name);

   162

   163

	return _internal_sort_order ? -r : r;

   164

}

   165

   166

/** (Re)build the network game list as its amount has changed because

   167

 * an item has been added or deleted for example

   168

 * @param ngl list_d struct that contains all necessary information for sorting */

   169

static void BuildNetworkGameList(network_ql_d *nqld)

   170

{

   171

	NetworkGameList *ngl_temp;

   172

	uint n = 0;

   173

   174

	if (!(nqld->l.flags & VL_REBUILD)) return;

   175

   176

	/* Count the number of games in the list */

   177

	for (ngl_temp = _network_game_list; ngl_temp != NULL; ngl_temp = ngl_temp->next) n++;

   178

	if (n == 0) return;

   179

   180

	/* Create temporary array of games to use for listing */

   181

	free(nqld->sort_list);

   182

	nqld->sort_list = MallocT<NetworkGameList*>(n);

   183

	if (nqld->sort_list == NULL) error("Could not allocate memory for the network-game-sorting-list");

   184

	nqld->l.list_length = n;

   185

   186

	for (n = 0, ngl_temp = _network_game_list; ngl_temp != NULL; ngl_temp = ngl_temp->next) {

   187

		nqld->sort_list[n++] = ngl_temp;

   188

	}

   189

   190

	/* Force resort */

   191

	nqld->l.flags &= ~VL_REBUILD;

   192

	nqld->l.flags |= VL_RESORT;

   193

}

   194

   195

static void SortNetworkGameList(network_ql_d *nqld)

   196

{

   197

	static NGameNameSortFunction * const ngame_sorter[] = {

   198

		&NGameNameSorter,

   199

		&NGameClientSorter,

   200

		&NGameAllowedSorter

   201

	};

   202

   203

	NetworkGameList *item;

   204

	uint i;

   205

   206

	if (!(nqld->l.flags & VL_RESORT)) return;

   207

	if (nqld->l.list_length == 0) return;

   208

   209

	_internal_sort_order = !!(nqld->l.flags & VL_DESC);

   210

	qsort(nqld->sort_list, nqld->l.list_length, sizeof(nqld->sort_list[0]), ngame_sorter[nqld->l.sort_type]);

   211

   212

	/* After sorting ngl->sort_list contains the sorted items. Put these back

   213

	 * into the original list. Basically nothing has changed, we are only

   214

	 * shuffling the ->next pointers */

   215

	_network_game_list = nqld->sort_list[0];

   216

	for (item = _network_game_list, i = 1; i != nqld->l.list_length; i++) {

   217

		item->next = nqld->sort_list[i];

   218

		item = item->next;

   219

	}

   220

	item->next = NULL;

   221

   222

	nqld->l.flags &= ~VL_RESORT;

   223

}

   224

   225

/* Uses network_ql_d (network_d, querystr_d and list_d) WP macro */

   226

static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)

   227

{

   228

	network_d *nd = &WP(w, network_ql_d).n;

   229

	list_d *ld = &WP(w, network_ql_d).l;

   230

   231

	switch (e->event) {

   232

	case WE_CREATE: /* Focus input box */

   233

		nd->field = 3;

   234

		nd->server = NULL;

   235

   236

		WP(w, network_ql_d).sort_list = NULL;

   237

		ld->flags = VL_REBUILD | (_ng_sorting.order ? VL_DESC : VL_NONE);

   238

		ld->sort_type = _ng_sorting.criteria;

   239

		break;

   240

   241

	case WE_PAINT: {

   242

		const NetworkGameList *sel = nd->server;

   243

		const char *arrow = (ld->flags & VL_DESC) ? DOWNARROW : UPARROW;

   244

   245

		if (ld->flags & VL_REBUILD) {

   246

			BuildNetworkGameList(&WP(w, network_ql_d));

   247

			SetVScrollCount(w, ld->list_length);

   248

		}

   249

		if (ld->flags & VL_RESORT) SortNetworkGameList(&WP(w, network_ql_d));

   250

   251

		SetWindowWidgetDisabledState(w, 17, sel == NULL);

   252

		/* Join Button disabling conditions */

   253

		SetWindowWidgetDisabledState(w, 16, sel == NULL || // no Selected Server

   254

				!sel->online || // Server offline

   255

				sel->info.clients_on >= sel->info.clients_max || // Server full

   256

				!sel->info.compatible); // Revision mismatch

   257

   258

		SetWindowWidgetHiddenState(w, 18, sel == NULL ||

   259

				!sel->online ||

   260

				sel->info.grfconfig == NULL);

   261

   262

		SetDParam(0, 0x00);

   263

		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);

   264

		DrawWindowWidgets(w);

   265

   266

		DrawEditBox(w, &WP(w, network_ql_d).q, 3);

   267

   268

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   269

		DrawString(210, 23, STR_NETWORK_PLAYER_NAME, 2);

   270

   271

		/* Sort based on widgets: name, clients, compatibility */

   272

		switch (ld->sort_type) {

   273

			case 6 - 6: DoDrawString(arrow, w->widget[6].right - 10, 42, 0x10); break;

   274

			case 7 - 6: DoDrawString(arrow, w->widget[7].right - 10, 42, 0x10); break;

   275

			case 8 - 6: DoDrawString(arrow, w->widget[8].right - 10, 42, 0x10); break;

   276

		}

   277

   278

		{ // draw list of games

   279

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   280

			int32 n = 0;

   281

			int32 pos = w->vscroll.pos;

   282

			uint max_name_width = w->widget[6].right - w->widget[6].left - 5;

   283

			const NetworkGameList *cur_item = _network_game_list;

   284

   285

			while (pos > 0 && cur_item != NULL) {

   286

				pos--;

   287

				cur_item = cur_item->next;

   288

			}

   289

   290

			while (cur_item != NULL) {

   291

				// show highlighted item with a different colour

   292

				if (cur_item == sel) GfxFillRect(w->widget[6].left + 1, y - 2, w->widget[8].right - 1, y + 9, 10);

   293

   294

				SetDParamStr(0, cur_item->info.server_name);

   295

				DrawStringTruncated(w->widget[6].left + 5, y, STR_02BD, 16, max_name_width);

   296

   297

				SetDParam(0, cur_item->info.clients_on);

   298

				SetDParam(1, cur_item->info.clients_max);

   299

				SetDParam(2, cur_item->info.companies_on);

   300

				SetDParam(3, cur_item->info.companies_max);

   301

				DrawStringCentered(210, y, STR_NETWORK_GENERAL_ONLINE, 2);

   302

   303

				// only draw icons if the server is online

   304

				if (cur_item->online) {

   305

					// draw a lock if the server is password protected.

   306

					if (cur_item->info.use_password) DrawSprite(SPR_LOCK, PAL_NONE, w->widget[8].left + 5, y - 1);

   307

   308

					// draw red or green icon, depending on compatibility with server.

   309

					DrawSprite(SPR_BLOT, (cur_item->info.compatible ? PALETTE_TO_GREEN : (cur_item->info.version_compatible ? PALETTE_TO_YELLOW : PALETTE_TO_RED)), w->widget[8].left + 15, y);

   310

   311

					// draw flag according to server language

   312

					DrawSprite(SPR_FLAGS_BASE + cur_item->info.server_lang, PAL_NONE, w->widget[8].left + 25, y);

   313

				}

   314

   315

				cur_item = cur_item->next;

   316

				y += NET_PRC__SIZE_OF_ROW;

   317

				if (++n == w->vscroll.cap) break; // max number of games in the window

   318

			}

   319

		}

   320

   321

		/* Draw the right menu */

   322

		GfxFillRect(311, 43, 539, 92, 157);

   323

		if (sel == NULL) {

   324

			DrawStringCentered(425, 58, STR_NETWORK_GAME_INFO, 0);

   325

		} else if (!sel->online) {

   326

			SetDParamStr(0, sel->info.server_name);

   327

			DrawStringCentered(425, 68, STR_ORANGE, 0); // game name

   328

   329

			DrawStringCentered(425, 132, STR_NETWORK_SERVER_OFFLINE, 0); // server offline

   330

		} else { // show game info

   331

			uint16 y = 100;

   332

			const uint16 x = w->widget[15].left + 5;

   333

   334

			DrawStringCentered(425, 48, STR_NETWORK_GAME_INFO, 0);

   335

   336

   337

			SetDParamStr(0, sel->info.server_name);

   338

			DrawStringCenteredTruncated(w->widget[15].left, w->widget[15].right, 62, STR_ORANGE, 16); // game name

   339

   340

			SetDParamStr(0, sel->info.map_name);

   341

			DrawStringCenteredTruncated(w->widget[15].left, w->widget[15].right, 74, STR_02BD, 16); // map name

   342

   343

			SetDParam(0, sel->info.clients_on);

   344

			SetDParam(1, sel->info.clients_max);

   345

			SetDParam(2, sel->info.companies_on);

   346

			SetDParam(3, sel->info.companies_max);

   347

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   348

			y += 10;

   349

   350

			SetDParam(0, STR_NETWORK_LANG_ANY + sel->info.server_lang);

   351

			DrawString(x, y, STR_NETWORK_LANGUAGE, 2); // server language

   352

			y += 10;

   353

   354

			SetDParam(0, STR_TEMPERATE_LANDSCAPE + sel->info.map_set);

   355

			DrawString(x, y, STR_NETWORK_TILESET, 2); // tileset

   356

			y += 10;

   357

   358

			SetDParam(0, sel->info.map_width);

   359

			SetDParam(1, sel->info.map_height);

   360

			DrawString(x, y, STR_NETWORK_MAP_SIZE, 2); // map size

   361

			y += 10;

   362

   363

			SetDParamStr(0, sel->info.server_revision);

   364

			DrawString(x, y, STR_NETWORK_SERVER_VERSION, 2); // server version

   365

			y += 10;

   366

   367

			SetDParamStr(0, sel->info.hostname);

   368

			SetDParam(1, sel->port);

   369

			DrawString(x, y, STR_NETWORK_SERVER_ADDRESS, 2); // server address

   370

			y += 10;

   371

   372

			SetDParam(0, sel->info.start_date);

   373

			DrawString(x, y, STR_NETWORK_START_DATE, 2); // start date

   374

			y += 10;

   375

   376

			SetDParam(0, sel->info.game_date);

   377

			DrawString(x, y, STR_NETWORK_CURRENT_DATE, 2); // current date

   378

			y += 10;

   379

   380

			y += 2;

   381

   382

			if (!sel->info.compatible) {

   383

				DrawStringCentered(425, y, sel->info.version_compatible ? STR_NETWORK_GRF_MISMATCH : STR_NETWORK_VERSION_MISMATCH, 0); // server mismatch

   384

			} else if (sel->info.clients_on == sel->info.clients_max) {

   385

				// Show: server full, when clients_on == clients_max

   386

				DrawStringCentered(425, y, STR_NETWORK_SERVER_FULL, 0); // server full

   387

			} else if (sel->info.use_password) {

   388

				DrawStringCentered(425, y, STR_NETWORK_PASSWORD, 0); // password warning

   389

			}

   390

   391

			y += 10;

   392

		}

   393

	} break;

   394

   395

	case WE_CLICK:

   396

		nd->field = e->we.click.widget;

   397

		switch (e->we.click.widget) {

   398

		case 0: case 14: /* Close 'X' | Cancel button */

   399

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   400

			break;

   401

		case 4: case 5:

   402

			ShowDropDownMenu(w, _lan_internet_types_dropdown, _network_lan_internet, 5, 0, 0); // do it for widget 5

   403

			break;

   404

		case 6: /* Sort by name */

   405

		case 7: /* Sort by connected clients */

   406

		case 8: /* Connectivity (green dot) */

   407

			if (ld->sort_type == e->we.click.widget - 6) ld->flags ^= VL_DESC;

   408

			ld->flags |= VL_RESORT;

   409

			ld->sort_type = e->we.click.widget - 6;

   410

   411

			_ng_sorting.order = !!(ld->flags & VL_DESC);

   412

			_ng_sorting.criteria = ld->sort_type;

   413

			SetWindowDirty(w);

   414

			break;

   415

		case 9: { /* Matrix to show networkgames */

   416

			NetworkGameList *cur_item;

   417

			uint32 id_v = (e->we.click.pt.y - NET_PRC__OFFSET_TOP_WIDGET) / NET_PRC__SIZE_OF_ROW;

   418

   419

			if (id_v >= w->vscroll.cap) return; // click out of bounds

   420

			id_v += w->vscroll.pos;

   421

   422

			cur_item = _network_game_list;

   423

			for (; id_v > 0 && cur_item != NULL; id_v--) cur_item = cur_item->next;

   424

   425

			nd->server = cur_item;

   426

			SetWindowDirty(w);

   427

		} break;

   428

		case 11: /* Find server automatically */

   429

			switch (_network_lan_internet) {

   430

				case 0: NetworkUDPSearchGame(); break;

   431

				case 1: NetworkUDPQueryMasterServer(); break;

   432

			}

   433

			break;

   434

		case 12: { // Add a server

   435

				ShowQueryString(

   436

				BindCString(_network_default_ip),

   437

				STR_NETWORK_ENTER_IP,

   438

				31 | 0x1000,  // maximum number of characters OR

   439

				250, // characters up to this width pixels, whichever is satisfied first

   440

				w, CS_ALPHANUMERAL);

   441

		} break;

   442

		case 13: /* Start server */

   443

			ShowNetworkStartServerWindow();

   444

			break;

   445

		case 16: /* Join Game */

   446

			if (nd->server != NULL) {

   447

				snprintf(_network_last_host, sizeof(_network_last_host), "%s", inet_ntoa(*(struct in_addr *)&nd->server->ip));

   448

				_network_last_port = nd->server->port;

   449

				ShowNetworkLobbyWindow(nd->server);

   450

			}

   451

			break;

   452

		case 17: // Refresh

   453

			if (nd->server != NULL)

   454

				NetworkUDPQueryServer(nd->server->info.hostname, nd->server->port);

   455

			break;

   456

		case 18: // NewGRF Settings

   457

			if (nd->server != NULL) ShowNewGRFSettings(false, false, false, &nd->server->info.grfconfig);

   458

			break;

   459

   460

	} break;

   461

   462

	case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */

   463

		switch (e->we.dropdown.button) {

   464

			case 5:

   465

				_network_lan_internet = e->we.dropdown.index;

   466

				break;

   467

		}

   468

   469

		SetWindowDirty(w);

   470

		break;

   471

   472

	case WE_MOUSELOOP:

   473

		if (nd->field == 3) HandleEditBox(w, &WP(w, network_ql_d).q, 3);

   474

		break;

   475

   476

	case WE_MESSAGE:

   477

		if (e->we.message.msg != 0) nd->server = NULL;

   478

		ld->flags |= VL_REBUILD;

   479

		SetWindowDirty(w);

   480

		break;

   481