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

    31

#define BGC 5

    32

#define BTC 15

    33

    34

typedef struct network_d {

    35

	PlayerID company;        // select company in network lobby

    36

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

    37

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

    38

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

    39

} network_d;

    40

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

    41

    42

typedef struct network_ql_d {

    43

	network_d n;                 // see above; general stuff

    44

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

    45

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

    46

	list_d l;                    // accompanying list-administration

    47

} network_ql_d;

    48

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

    49

    50

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

    51

static Listing _ng_sorting;

    52

    53

static char _edit_str_buf[150];

    54

static bool _chat_tab_completion_active;

    55

    56

static void ShowNetworkStartServerWindow(void);

    57

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    58

extern void SwitchMode(int new_mode);

    59

    60

static const StringID _connection_types_dropdown[] = {

    61

	STR_NETWORK_LAN_INTERNET,

    62

	STR_NETWORK_INTERNET_ADVERTISE,

    63

	INVALID_STRING_ID

    64

};

    65

    66

static const StringID _lan_internet_types_dropdown[] = {

    67

	STR_NETWORK_LAN,

    68

	STR_NETWORK_INTERNET,

    69

	INVALID_STRING_ID

    70

};

    71

    72

static const StringID _players_dropdown[] = {

    73

	STR_NETWORK_0_PLAYERS,

    74

	STR_NETWORK_1_PLAYERS,

    75

	STR_NETWORK_2_PLAYERS,

    76

	STR_NETWORK_3_PLAYERS,

    77

	STR_NETWORK_4_PLAYERS,

    78

	STR_NETWORK_5_PLAYERS,

    79

	STR_NETWORK_6_PLAYERS,

    80

	STR_NETWORK_7_PLAYERS,

    81

	STR_NETWORK_8_PLAYERS,

    82

	STR_NETWORK_9_PLAYERS,

    83

	STR_NETWORK_10_PLAYERS,

    84

	INVALID_STRING_ID

    85

};

    86

    87

static const StringID _language_dropdown[] = {

    88

	STR_NETWORK_LANG_ANY,

    89

	STR_NETWORK_LANG_ENGLISH,

    90

	STR_NETWORK_LANG_GERMAN,

    91

	STR_NETWORK_LANG_FRENCH,

    92

	INVALID_STRING_ID

    93

};

    94

    95

enum {

    96

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

    97

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

    98

	NET_PRC__SIZE_OF_ROW                = 14,

    99

};

   100

   101

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

   102

 * found on the network.

   103

 * @param unselect unselect the currently selected item */

   104

void UpdateNetworkGameWindow(bool unselect)

   105

{

   106

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

   107

}

   108

   109

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

   110

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

   111

   112

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

   113

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

   114

{

   115

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

   116

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

   117

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

   118

   119

	return _internal_sort_order ? -r : r;

   120

}

   121

   122

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

   123

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

   124

 * higher maximum is preferred. */

   125

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

   126

{

   127

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

   128

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

   129

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

   130

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

   131

   132

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

   133

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

   134

   135

	return _internal_sort_order ? -r : r;

   136

}

   137

   138

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

   139

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

   140

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

   141

{

   142

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

   143

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

   144

   145

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

   146

	int r = (cmp1->info.server_revision[0] == '\0') - (cmp2->info.server_revision[0] == '\0');

   147

   148

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

   149

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

   150

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

   151

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

   152

	/* Passworded servers should be below unpassworded servers */

   153

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

   154

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

   155

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

   156

   157

	return _internal_sort_order ? -r : r;

   158

}

   159

   160

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

   161

 * an item has been added or deleted for example

   162

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

   163

static void BuildNetworkGameList(network_ql_d *nqld)

   164

{

   165

	NetworkGameList *ngl_temp;

   166

	uint n = 0;

   167

   168

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

   169

   170

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

   171

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

   172

	if (n == 0) return;

   173

   174

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

   175

	free(nqld->sort_list);

   176

	nqld->sort_list = malloc(n * sizeof(nqld->sort_list[0]));

   177

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

   178

	nqld->l.list_length = n;

   179

   180

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

   181

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

   182

	}

   183

   184

	/* Force resort */

   185

	nqld->l.flags &= ~VL_REBUILD;

   186

	nqld->l.flags |= VL_RESORT;

   187

}

   188

   189

static void SortNetworkGameList(network_ql_d *nqld)

   190

{

   191

	static NGameNameSortFunction * const ngame_sorter[] = {

   192

		&NGameNameSorter,

   193

		&NGameClientSorter,

   194

		&NGameAllowedSorter

   195

	};

   196

   197

	NetworkGameList *item;

   198

	uint i;

   199

   200

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

   201

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

   202

   203

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

   204

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

   205

   206

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

   207

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

   208

	 * shuffling the ->next pointers */

   209

	_network_game_list = nqld->sort_list[0];

   210

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

   211

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

   212

		item = item->next;

   213

	}

   214

	item->next = NULL;

   215

   216

	nqld->l.flags &= ~VL_RESORT;

   217

}

   218

   219

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

   220

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

   221

{

   222

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

   223

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

   224

   225

	switch (e->event) {

   226

	case WE_CREATE: /* Focus input box */

   227

		nd->field = 3;

   228

		nd->server = NULL;

   229

   230

		WP(w, network_ql_d).sort_list = NULL;

   231

		ld->flags = VL_REBUILD | (_ng_sorting.order << (VL_DESC - 1));

   232

		ld->sort_type = _ng_sorting.criteria;

   233

		break;

   234

   235

	case WE_PAINT: {

   236

		const NetworkGameList *sel = nd->server;

   237

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

   238

   239

		if (ld->flags & VL_REBUILD) {

   240

			BuildNetworkGameList(&WP(w, network_ql_d));

   241

			SetVScrollCount(w, ld->list_length);

   242

		}

   243

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

   244

   245

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

   246

		/* Join Button disabling conditions */

   247

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

   248

				!sel->online || // Server offline

   249

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

   250

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

   251

   252

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

   253

				!sel->online ||

   254

				sel->info.grfconfig == NULL);

   255

   256

		SetDParam(0, 0x00);

   257

		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);

   258

		DrawWindowWidgets(w);

   259

   260

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

   261

   262

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   263

		DrawString(210, 23, STR_NETWORK_PLAYER_NAME, 2);

   264

   265

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

   266

		switch (ld->sort_type) {

   267

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

   268

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

   269

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

   270

		}

   271

   272

		{ // draw list of games

   273

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   274

			int32 n = 0;

   275

			int32 pos = w->vscroll.pos;

   276

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

   277

			const NetworkGameList *cur_item = _network_game_list;

   278

   279

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

   280

				pos--;

   281

				cur_item = cur_item->next;

   282

			}

   283

   284

			while (cur_item != NULL) {

   285

				// show highlighted item with a different colour

   286

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

   287

   288

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

   289

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

   290

   291

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

   292

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

   293

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

   294

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

   295

				DrawStringCentered(210, y, STR_NETWORK_GENERAL_ONLINE, 2);

   296

   297

				// only draw icons if the server is online

   298

				if (cur_item->online) {

   299

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

   300

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

   301

   302

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

   303

					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);

   304

   305

					// draw flag according to server language

   306

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

   307

				}

   308

   309

				cur_item = cur_item->next;

   310

				y += NET_PRC__SIZE_OF_ROW;

   311

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

   312

			}

   313

		}

   314

   315

		/* Draw the right menu */

   316

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

   317

		if (sel == NULL) {

   318

			DrawStringCentered(425, 58, STR_NETWORK_GAME_INFO, 0);

   319

		} else if (!sel->online) {

   320

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

   321

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

   322

   323

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

   324

		} else { // show game info

   325

			uint16 y = 100;

   326

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

   327

   328

			DrawStringCentered(425, 48, STR_NETWORK_GAME_INFO, 0);

   329

   330

   331

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

   332

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

   333

   334

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

   335

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

   336

   337

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

   338

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

   339

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

   340

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

   341

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   342

			y += 10;

   343

   344

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

   345

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

   346

			y += 10;

   347

   348

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

   349

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

   350

			y += 10;

   351

   352

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

   353

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

   354

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

   355

			y += 10;

   356

   357

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

   358

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

   359

			y += 10;

   360

   361

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

   362

			SetDParam(1, sel->port);

   363

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

   364

			y += 10;

   365

   366

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

   367

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

   368

			y += 10;

   369

   370

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

   371

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

   372

			y += 10;

   373

   374

			y += 2;

   375

   376

			if (!sel->info.compatible) {

   377

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

   378

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

   379

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

   380

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

   381

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

   382

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

   383

			}

   384

   385

			y += 10;

   386

		}

   387

	}	break;

   388

   389

	case WE_CLICK:

   390

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

   391

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

   392

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

   393

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   394

			break;

   395

		case 4: case 5:

   396

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

   397

			break;

   398

		case 6: /* Sort by name */

   399

		case 7: /* Sort by connected clients */

   400

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

   401

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

   402

			ld->flags |= VL_RESORT;

   403

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

   404

   405

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

   406

			_ng_sorting.criteria = ld->sort_type;

   407

			SetWindowDirty(w);

   408

			break;

   409

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

   410

			NetworkGameList *cur_item;

   411

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

   412

   413

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

   414

			id_v += w->vscroll.pos;

   415

   416

			cur_item = _network_game_list;

   417

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

   418

   419

			nd->server = cur_item;

   420

			SetWindowDirty(w);

   421

		} break;

   422

		case 11: /* Find server automatically */

   423

			switch (_network_lan_internet) {

   424

				case 0: NetworkUDPSearchGame(); break;

   425

				case 1: NetworkUDPQueryMasterServer(); break;

   426

			}

   427

			break;

   428

		case 12: { // Add a server

   429

				ShowQueryString(

   430

				BindCString(_network_default_ip),

   431

				STR_NETWORK_ENTER_IP,

   432

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

   433

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

   434

				w->window_class,

   435

				w->window_number, 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

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

   450

			break;

   451

		case 18: // NewGRF Settings

   452

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

   453

			break;

   454

   455

	}	break;

   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

		SetWindowDirty(w);

   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

		SetWindowDirty(w);

   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);

   482