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 "../date.h"

    10

#include "table/strings.h"

    11

#include "../functions.h"

    12

#include "../window.h"

    13

#include "../gui.h"

    14

#include "../gfx.h"

    15

#include "../command.h"

    16

#include "../variables.h"

    17

#include "../settings.h"

    18

#include "../string.h"

    19

#include "../town.h"

    20

#include "../newgrf.h"

    21

#include "../helpers.hpp"

    22

#include "../fios.h"

    23

    24

#include "network.h"

    25

#include "network_data.h"

    26

#include "network_client.h"

    27

#include "network_gui.h"

    28

#include "network_gamelist.h"

    29

#include "network_server.h"

    30

#include "network_udp.h"

    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 const StringID _language_dropdown[] = {

    89

	STR_NETWORK_LANG_ANY,

    90

	STR_NETWORK_LANG_ENGLISH,

    91

	STR_NETWORK_LANG_GERMAN,

    92

	STR_NETWORK_LANG_FRENCH,

    93

	INVALID_STRING_ID

    94

};

    95

    96

enum {

    97

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

    98

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

    99

	NET_PRC__SIZE_OF_ROW                = 14,

   100

};

   101

   102

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

   103

 * found on the network.

   104

 * @param unselect unselect the currently selected item */

   105

void UpdateNetworkGameWindow(bool unselect)

   106

{

   107

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

   108

}

   109

   110

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

   111

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

   112

   113

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

   114

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

   115

{

   116

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

   117

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

   118

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

   119

   120

	return _internal_sort_order ? -r : r;

   121

}

   122

   123

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

   124

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

   125

 * higher maximum is preferred. */

   126

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

   127

{

   128

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

   129

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

   130

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

   131

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

   132

   133

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

   134

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

   135

   136

	return _internal_sort_order ? -r : r;

   137

}

   138

   139

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

   140

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

   141

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

   142

{

   143

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

   144

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

   145

   146

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

   147

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

   148

   149

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

   150

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

   151

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

   152

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

   153

	/* Passworded servers should be below unpassworded servers */

   154

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

   155

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

   156

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

   157

   158

	return _internal_sort_order ? -r : r;

   159

}

   160

   161

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

   162

 * an item has been added or deleted for example

   163

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

   164

static void BuildNetworkGameList(network_ql_d *nqld)

   165

{

   166

	NetworkGameList *ngl_temp;

   167

	uint n = 0;

   168

   169

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

   170

   171

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

   172

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

   173

	if (n == 0) return;

   174

   175

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

   176

	free(nqld->sort_list);

   177

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

   178

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

   179

	nqld->l.list_length = n;

   180

   181

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

   182

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

   183

	}

   184

   185

	/* Force resort */

   186

	nqld->l.flags &= ~VL_REBUILD;

   187

	nqld->l.flags |= VL_RESORT;

   188

}

   189

   190

static void SortNetworkGameList(network_ql_d *nqld)

   191

{

   192

	static NGameNameSortFunction * const ngame_sorter[] = {

   193

		&NGameNameSorter,

   194

		&NGameClientSorter,

   195

		&NGameAllowedSorter

   196

	};

   197

   198

	NetworkGameList *item;

   199

	uint i;

   200

   201

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

   202

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

   203

   204

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

   205

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

   206

   207

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

   208

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

   209

	 * shuffling the ->next pointers */

   210

	_network_game_list = nqld->sort_list[0];

   211

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

   212

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

   213

		item = item->next;

   214

	}

   215

	item->next = NULL;

   216

   217

	nqld->l.flags &= ~VL_RESORT;

   218

}

   219

   220

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

   221

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

   222

{

   223

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

   224

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

   225

   226

	switch (e->event) {

   227

	case WE_CREATE: /* Focus input box */

   228

		nd->field = 3;

   229

		nd->server = NULL;

   230

   231

		WP(w, network_ql_d).sort_list = NULL;

   232

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

   233

		ld->sort_type = _ng_sorting.criteria;

   234

		break;

   235

   236

	case WE_PAINT: {

   237

		const NetworkGameList *sel = nd->server;

   238

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

   239

   240

		if (ld->flags & VL_REBUILD) {

   241

			BuildNetworkGameList(&WP(w, network_ql_d));

   242

			SetVScrollCount(w, ld->list_length);

   243

		}

   244

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

   245

   246

		w->SetWidgetDisabledState(17, sel == NULL);

   247

		/* Join Button disabling conditions */

   248

		w->SetWidgetDisabledState(16, sel == NULL || // no Selected Server

   249

				!sel->online || // Server offline

   250

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

   251

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

   252

   253

		w->SetWidgetHiddenState(18, sel == NULL ||

   254

				!sel->online ||

   255

				sel->info.grfconfig == NULL);

   256

   257

		SetDParam(0, 0x00);

   258

		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);

   259

		w->DrawWidgets();

   260

   261

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

   262

   263

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   264

		DrawString(210, 23, STR_NETWORK_PLAYER_NAME, 2);

   265

   266

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

   267

		switch (ld->sort_type) {

   268

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

   269

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

   270

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

   271

		}

   272

   273

		{ // draw list of games

   274

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   275

			int32 n = 0;

   276

			int32 pos = w->vscroll.pos;

   277

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

   278

			const NetworkGameList *cur_item = _network_game_list;

   279

   280

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

   281

				pos--;

   282

				cur_item = cur_item->next;

   283

			}

   284

   285

			while (cur_item != NULL) {

   286

				// show highlighted item with a different colour

   287

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

   288

   289

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

   290

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

   291

   292

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

   293

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

   294

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

   295

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

   296

				DrawStringCentered(210, y, STR_NETWORK_GENERAL_ONLINE, 2);

   297

   298

				// only draw icons if the server is online

   299

				if (cur_item->online) {

   300

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

   301

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

   302

   303

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

   304

					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);

   305

   306

					// draw flag according to server language

   307

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

   308

				}

   309

   310

				cur_item = cur_item->next;

   311

				y += NET_PRC__SIZE_OF_ROW;

   312

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

   313

			}

   314

		}

   315

   316

		/* Draw the right menu */

   317

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

   318

		if (sel == NULL) {

   319

			DrawStringCentered(425, 58, STR_NETWORK_GAME_INFO, 0);

   320

		} else if (!sel->online) {

   321

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

   322

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

   323

   324

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

   325

		} else { // show game info

   326

			uint16 y = 100;

   327

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

   328

   329

			DrawStringCentered(425, 48, STR_NETWORK_GAME_INFO, 0);

   330

   331

   332

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

   333

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

   334

   335

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

   336

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

   337

   338

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

   339

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

   340

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

   341

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

   342

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   343

			y += 10;

   344

   345

			SetDParam(0, _language_dropdown[sel->info.server_lang]);

   346

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

   347

			y += 10;

   348

   349

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

   350

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

   351

			y += 10;

   352

   353

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

   354

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

   355

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

   356

			y += 10;

   357

   358

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

   359

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

   360

			y += 10;

   361

   362

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

   363

			SetDParam(1, sel->port);

   364

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

   365

			y += 10;

   366

   367

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

   368

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

   369

			y += 10;

   370

   371

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

   372

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

   373

			y += 10;

   374

   375

			y += 2;

   376

   377

			if (!sel->info.compatible) {

   378

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

   379

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

   380

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

   381

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

   382

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

   383

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

   384

			}

   385

   386

			y += 10;

   387

		}

   389

   390

	case WE_CLICK:

   391

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

   392

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

   393

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

   394

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   395

			break;

   396

		case 4: case 5:

   397

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

   398

			break;

   399

		case 6: /* Sort by name */

   400

		case 7: /* Sort by connected clients */

   401

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

   402

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

   403

			ld->flags |= VL_RESORT;

   404

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

   405

   406

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

   407

			_ng_sorting.criteria = ld->sort_type;

   408

			w->SetDirty();

   409

			break;

   410

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

   411

			NetworkGameList *cur_item;

   412

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

   413

   414

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

   415

			id_v += w->vscroll.pos;

   416

   417

			cur_item = _network_game_list;

   418

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

   419

   420

			nd->server = cur_item;

   421

			w->SetDirty();

   422

		} break;

   423

		case 11: /* Find server automatically */

   424

			switch (_network_lan_internet) {

   425

				case 0: NetworkUDPSearchGame(); break;

   426

				case 1: NetworkUDPQueryMasterServer(); break;

   427

			}

   428

			break;

   429

		case 12: { // Add a server

   430

				ShowQueryString(

   431

				BindCString(_network_default_ip),

   432

				STR_NETWORK_ENTER_IP,

   433

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

   434

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

   435

				w, CS_ALPHANUMERAL);

   436

		} break;

   437

		case 13: /* Start server */

   438

			ShowNetworkStartServerWindow();

   439

			break;

   440

		case 16: /* Join Game */

   441

			if (nd->server != NULL) {

   442

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

   443

				_network_last_port = nd->server->port;

   444

				ShowNetworkLobbyWindow(nd->server);

   445

			}

   446

			break;

   447

		case 17: // Refresh

   448

			if (nd->server != NULL)

   449

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

   450

			break;

   451

		case 18: // NewGRF Settings

   452

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

   453

			break;

   454

   456

   457

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

   458

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

   459

			case 5:

   460

				_network_lan_internet = e->we.dropdown.index;

   461

				break;

   462

		}

   463

   464

		w->SetDirty();

   465

		break;

   466

   467

	case WE_MOUSELOOP:

   468

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

   469

		break;

   470

   471

	case WE_MESSAGE:

   472

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

   473

		ld->flags |= VL_REBUILD;

   474

		w->SetDirty();

   475

		break;

   476

   477

	case WE_KEYPRESS:

   478

		if (nd->field != 3) {

   479

			if (nd->server != NULL) {

   480

				if (e->we.keypress.keycode == WKC_DELETE) { /* Press 'delete' to remove servers */

   481

					NetworkGameListRemoveItem(nd->server);