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

    39

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

    40

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

    41

};

    42

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

    43

    44

struct network_ql_d {

    45

	network_d n;                 // see above; general stuff

    46

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

    47

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

    48

	list_d l;                    // accompanying list-administration

    49

};

    50

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

    51

    52

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

    53

static Listing _ng_sorting;

    54

    55

static char _edit_str_buf[150];

    56

static bool _chat_tab_completion_active;

    57

    58

static void ShowNetworkStartServerWindow();

    59

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    60

extern void SwitchMode(int new_mode);

    61

    62

static const StringID _connection_types_dropdown[] = {

    63

	STR_NETWORK_LAN_INTERNET,

    64

	STR_NETWORK_INTERNET_ADVERTISE,

    65

	INVALID_STRING_ID

    66

};

    67

    68

static const StringID _lan_internet_types_dropdown[] = {

    69

	STR_NETWORK_LAN,

    70

	STR_NETWORK_INTERNET,

    71

	INVALID_STRING_ID

    72

};

    73

    74

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

    75

    76

void SortNetworkLanguages()

    77

{

    78

	/* Init the strings */

    79

	if (_language_dropdown[0] == STR_NULL) {

    80

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

    81

		_language_dropdown[NETLANG_COUNT] = INVALID_STRING_ID;

    82

	}

    83

    84

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

    85

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

    86

}

    87

    88

enum {

    89

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

    90

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

    91

	NET_PRC__SIZE_OF_ROW                = 14,

    92

};

    93

    94

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

    95

 * found on the network.

    96

 * @param unselect unselect the currently selected item */

    97

void UpdateNetworkGameWindow(bool unselect)

    98

{

    99

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

   100

}

   101

   102

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

   103

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

   104

   105

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

   106

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

   107

{

   108

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

   109

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

   110

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

   111

   112

	return _internal_sort_order ? -r : r;

   113

}

   114

   115

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

   116

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

   117

 * higher maximum is preferred. */

   118

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

   119

{

   120

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

   121

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

   122

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

   123

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

   124

   125

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

   126

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

   127

   128

	return _internal_sort_order ? -r : r;

   129

}

   130

   131

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

   132

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

   133

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

   134

{

   135

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

   136

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

   137

   138

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

   139

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

   140

   141

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

   142

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

   143

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

   144

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

   145

	/* Passworded servers should be below unpassworded servers */

   146

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

   147

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

   148

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

   149

   150

	return _internal_sort_order ? -r : r;

   151

}

   152

   153

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

   154

 * an item has been added or deleted for example

   155

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

   156

static void BuildNetworkGameList(network_ql_d *nqld)

   157

{

   158

	NetworkGameList *ngl_temp;

   159

	uint n = 0;

   160

   161

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

   162

   163

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

   164

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

   165

	if (n == 0) return;

   166

   167

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

   168

	free(nqld->sort_list);

   169

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

   170

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

   171

	nqld->l.list_length = n;

   172

   173

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

   174

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

   175

	}

   176

   177

	/* Force resort */

   178

	nqld->l.flags &= ~VL_REBUILD;

   179

	nqld->l.flags |= VL_RESORT;

   180

}

   181

   182

static void SortNetworkGameList(network_ql_d *nqld)

   183

{

   184

	static NGameNameSortFunction * const ngame_sorter[] = {

   185

		&NGameNameSorter,

   186

		&NGameClientSorter,

   187

		&NGameAllowedSorter

   188

	};

   189

   190

	NetworkGameList *item;

   191

	uint i;

   192

   193

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

   194

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

   195

   196

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

   197

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

   198

   199

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

   200

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

   201

	 * shuffling the ->next pointers */

   202

	_network_game_list = nqld->sort_list[0];

   203

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

   204

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

   205

		item = item->next;

   206

	}

   207

	item->next = NULL;

   208

   209

	nqld->l.flags &= ~VL_RESORT;

   210

}

   211

   212

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

   213

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

   214

{

   215

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

   216

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

   217

   218

	switch (e->event) {

   219

	case WE_CREATE: /* Focus input box */

   220

		w->vscroll.cap = 13;

   221

		w->resize.step_height = NET_PRC__SIZE_OF_ROW;

   222

   223

		nd->field = 3;

   224

		nd->server = NULL;

   225

   226

		WP(w, network_ql_d).sort_list = NULL;

   227

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

   228

		ld->sort_type = _ng_sorting.criteria;

   229

		break;

   230

   231

	case WE_PAINT: {

   232

		const NetworkGameList *sel = nd->server;

   233

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

   234

   235

		if (ld->flags & VL_REBUILD) {

   236

			BuildNetworkGameList(&WP(w, network_ql_d));

   237

			SetVScrollCount(w, ld->list_length);

   238

		}

   239

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

   240

   241

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

   242

		/* Join Button disabling conditions */

   243

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

   244

				!sel->online || // Server offline

   245

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

   246

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

   247

   248

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

   249

				!sel->online ||

   250

				sel->info.grfconfig == NULL);

   251

   252

		SetDParam(0, 0x00);

   253

		SetDParam(1, _lan_internet_types_dropdown[_network_lan_internet]);

   254

		DrawWindowWidgets(w);

   255

   256

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

   257

   258

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   259

		DrawString(w->widget[3].left - 100, 23, STR_NETWORK_PLAYER_NAME, 2);

   260

   261

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

   262

		switch (ld->sort_type) {

   263

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

   264

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

   265

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

   266

		}

   267

   268

		{ // draw list of games

   269

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   270

			int32 n = 0;

   271

			int32 pos = w->vscroll.pos;

   272

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

   273

			const NetworkGameList *cur_item = _network_game_list;

   274

   275

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

   276

				pos--;

   277

				cur_item = cur_item->next;

   278

			}

   279

   280

			while (cur_item != NULL) {

   281

				// show highlighted item with a different colour

   282

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

   283

   284

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

   285

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

   286

   287

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

   288

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

   289

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

   290

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

   291

				DrawStringCentered(w->widget[7].left + 39, y, STR_NETWORK_GENERAL_ONLINE, 2);

   292

   293

				// only draw icons if the server is online

   294

				if (cur_item->online) {

   295

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

   296

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

   297

   298

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

   299

					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);

   300

   301

					// draw flag according to server language

   302

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

   303

				}

   304

   305

				cur_item = cur_item->next;

   306

				y += NET_PRC__SIZE_OF_ROW;

   307

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

   308

			}

   309

		}

   310

   311

		/* Draw the right menu */

   312

		GfxFillRect(w->widget[15].left + 1, 43, w->widget[15].right - 1, 92, 157);

   313

		if (sel == NULL) {

   314

			DrawStringCentered(w->widget[15].left + 115, 58, STR_NETWORK_GAME_INFO, 0);

   315

		} else if (!sel->online) {

   316

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

   317

			DrawStringCentered(w->widget[15].left + 115, 68, STR_ORANGE, 0); // game name

   318

   319

			DrawStringCentered(w->widget[15].left + 115, 132, STR_NETWORK_SERVER_OFFLINE, 0); // server offline

   320

		} else { // show game info

   321

			uint16 y = 100;

   322

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

   323

   324

			DrawStringCentered(w->widget[15].left + 115, 48, STR_NETWORK_GAME_INFO, 0);

   325

   326

   327

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

   328

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

   329

   330

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

   331

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

   332

   333

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

   334

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

   335

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

   336

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

   337

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   338

			y += 10;

   339

   340

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

   341

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

   342

			y += 10;

   343

   344

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

   345

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

   346

			y += 10;

   347

   348

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

   349

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

   350

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

   351

			y += 10;

   352

   353

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

   354

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

   355

			y += 10;

   356

   357

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

   358

			SetDParam(1, sel->port);

   359

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

   360

			y += 10;

   361

   362

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

   363

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

   364

			y += 10;

   365

   366

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

   367

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

   368

			y += 10;

   369

   370

			y += 2;

   371

   372

			if (!sel->info.compatible) {

   373

				DrawStringCentered(w->widget[15].left + 115, y, sel->info.version_compatible ? STR_NETWORK_GRF_MISMATCH : STR_NETWORK_VERSION_MISMATCH, 0); // server mismatch

   374

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

   375

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

   376

				DrawStringCentered(w->widget[15].left + 115, y, STR_NETWORK_SERVER_FULL, 0); // server full

   377

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

   378

				DrawStringCentered(w->widget[15].left + 115, y, STR_NETWORK_PASSWORD, 0); // password warning

   379

			}

   380

   381

			y += 10;

   382

		}

   383

	} break;

   384

   385

	case WE_CLICK:

   386

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

   387

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

   388

		case 14: // Cancel button

   389

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   390

			break;

   391

		case 4: case 5:

   392

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

   393

			break;

   394

		case 6: /* Sort by name */

   395

		case 7: /* Sort by connected clients */

   396

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

   397

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

   398

			ld->flags |= VL_RESORT;

   399

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

   400

   401

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

   402

			_ng_sorting.criteria = ld->sort_type;

   403

			SetWindowDirty(w);

   404

			break;

   405

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

   406

			NetworkGameList *cur_item;

   407

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

   408

   409

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

   410

			id_v += w->vscroll.pos;

   411

   412

			cur_item = _network_game_list;

   413

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

   414

   415

			nd->server = cur_item;

   416

			SetWindowDirty(w);

   417

		} break;

   418

		case 11: /* Find server automatically */

   419

			switch (_network_lan_internet) {

   420

				case 0: NetworkUDPSearchGame(); break;

   421

				case 1: NetworkUDPQueryMasterServer(); break;

   422

			}

   423

			break;

   424

		case 12: { // Add a server

   425

				ShowQueryString(

   426

				BindCString(_network_default_ip),

   427

				STR_NETWORK_ENTER_IP,

   428

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

   429

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

   430

				w, CS_ALPHANUMERAL);

   431

		} break;

   432

		case 13: /* Start server */

   433

			ShowNetworkStartServerWindow();

   434

			break;

   435

		case 16: /* Join Game */

   436

			if (nd->server != NULL) {

   437

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

   438

				_network_last_port = nd->server->port;

   439

				ShowNetworkLobbyWindow(nd->server);

   440

			}

   441

			break;

   442

		case 17: // Refresh

   443

			if (nd->server != NULL)

   444

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

   445

			break;

   446

		case 18: // NewGRF Settings

   447

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

   448

			break;

   449

   450

	} break;

   451

   452

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

   453

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

   454

			case 5:

   455

				_network_lan_internet = e->we.dropdown.index;

   456

				break;

   457

		}

   458

   459

		SetWindowDirty(w);

   460

		break;

   461

   462

	case WE_MOUSELOOP:

   463

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

   464

		break;

   465

   466

	case WE_MESSAGE:

   467

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

   468

		ld->flags |= VL_REBUILD;

   469

		SetWindowDirty(w);

   470

		break;

   471

   472

	case WE_KEYPRESS:

   473

		if (nd->field != 3) {

   474

			if (nd->server != NULL) {

   475

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

   476

					NetworkGameListRemoveItem(nd->server);

   477

					NetworkRebuildHostList();

   478

					nd->server = NULL;

   479

				}

   480

			}