1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "string.h"

     6

#include "strings.h"

     7

#include "table/sprites.h"

     8

#include "network.h"

    10

    11

#include "fios.h"

    12

    13

#ifdef ENABLE_NETWORK

    14

    15

#include "table/strings.h"

    16

#include "functions.h"

    17

#include "network_data.h"

    18

#include "network_client.h"

    19

#include "network_gamelist.h"

    20

#include "window.h"

    21

#include "gui.h"

    22

#include "gfx.h"

    23

#include "command.h"

    24

#include "variables.h"

    25

#include "network_server.h"

    26

#include "network_udp.h"

    27

    28

#define BGC 5

    29

#define BTC 15

    30

    31

typedef struct network_d {

    32

	PlayerID company;        // select company in network lobby

    33

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

    34

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

    35

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

    36

} network_d;

    37

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

    38

    39

typedef struct network_ql_d {

    40

	network_d n;                 // see above; general stuff

    41

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

    42

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

    43

	list_d l;                    // accompanying list-administration

    44

} network_ql_d;

    45

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

    46

    47

typedef struct NetworkGameSorting {

    48

	bool order;    // Ascending / Descending

    49

	byte criteria; // Sorted by name/clients/connectivity

    50

} NetworkGameSorting;

    51

    52

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

    53

static NetworkGameSorting _ng_sorting;

    54

    55

static char _edit_str_buf[64];

    56

    57

static void ShowNetworkStartServerWindow(void);

    58

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    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

// called when a new server is found on the network

   102

void UpdateNetworkGameWindow(bool unselect)

   103

{

   104

	Window  *w = FindWindowById(WC_NETWORK_WINDOW, 0);

   105

   106

	if (w != NULL) {

   107

		if (unselect) WP(w, network_ql_d).n.server = NULL;

   108

		SendWindowMessage(WC_NETWORK_WINDOW, 0, true, 0, 0);

   109

	}

   110

}

   111

   112

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

   113

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

   114

   115

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

   116

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

   117

{

   118

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

   119

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

   120

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

   121

   122

	return (_internal_sort_order & 1) ? -r : r;

   123

}

   124

   125

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

   126

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

   127

 * higher maximum is preferred. */

   128

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

   129

{

   130

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

   131

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

   132

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

   133

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

   134

   135

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

   136

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

   137

   138

	return (_internal_sort_order & 1) ? -r : r;

   139

}

   140

   141

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

   142

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

   143

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

   144

{

   145

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

   146

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

   147

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

   148

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

   149

   150

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

   151

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

   152

   153

	return (_internal_sort_order & 1) ? -r : r;

   154

}

   155

   156

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

   157

 * an item has been added or deleted for example

   158

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

   159

static void BuildNetworkGameList(network_ql_d *nqld)

   160

{

   161

	NetworkGameList *ngl_temp;

   162

	uint n = 0;

   163

   164

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

   165

   166

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

   167

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

   168

	if (n == 0) return;

   169

   170

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

   171

	free(nqld->sort_list);

   172

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

   173

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

   174

	nqld->l.list_length = n;

   175

   176

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

   177

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

   178

	}

   179

   180

	/* Force resort */

   181

	nqld->l.flags &= ~VL_REBUILD;

   182

	nqld->l.flags |= VL_RESORT;

   183

}

   184

   185

static void SortNetworkGameList(network_ql_d *nqld)

   186

{

   187

	static NGameNameSortFunction * const ngame_sorter[] = {

   188

		&NGameNameSorter,

   189

		&NGameClientSorter,

   190

		&NGameAllowedSorter

   191

	};

   192

   193

	NetworkGameList *item;

   194

	uint i;

   195

   196

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

   197

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

   198

   199

	_internal_sort_order = nqld->l.flags & VL_DESC;

   200

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

   201

   202

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

   203

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

   204

	 * shuffling the ->next pointers */

   205

	_network_game_list = nqld->sort_list[0];

   206

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

   207

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

   208

		item = item->next;

   209

	}

   210

	item->next = NULL;

   211

   212

	nqld->l.flags &= ~VL_RESORT;

   213

}

   214

   215

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

   216

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

   217

{

   218

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

   219

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

   220

   221

	switch (e->event) {

   222

	case WE_CREATE: /* Focus input box */

   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 - 1));

   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

		w->disabled_state = 0;

   242

   243

		if (sel == NULL) {

   244

			SETBIT(w->disabled_state, 16); SETBIT(w->disabled_state, 17);

   245

		} else if (!sel->online) {

   246

			SETBIT(w->disabled_state, 16); // Server offline, join button disabled

   247

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

   248

			SETBIT(w->disabled_state, 16); // Server full, join button disabled

   249

		} else if (!sel->info.compatible) {

   250

			// revisions don't match, check if server has no revision; then allow connection

   251

			SETBIT(w->disabled_state, 16); // Revision mismatch, join button disabled

   252

		}

   253

   254

		SetDParam(0, 0x00);

   255

		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);

   256

		DrawWindowWidgets(w);

   257

   258

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

   259

   260

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   261

		DrawString(210, 23, STR_NETWORK_PLAYER_NAME, 2);

   262

   263

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

   264

		switch (ld->sort_type) {

   265

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

   266

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

   267

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

   268

		}

   269

   270

		{ // draw list of games

   271

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   272

			int32 n = 0;

   273

			int32 pos = w->vscroll.pos;

   274

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

   275

			const NetworkGameList *cur_item = _network_game_list;

   276

   277

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

   278

				pos--;

   279

				cur_item = cur_item->next;

   280

			}

   281

   282

			while (cur_item != NULL) {

   283

				// show highlighted item with a different colour

   284

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

   285

   286

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

   287

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

   288

   289

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

   290

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

   291

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

   292

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

   293

				DrawStringCentered(210, y, STR_NETWORK_GENERAL_ONLINE, 2);

   294

   295

				// only draw icons if the server is online

   296

				if (cur_item->online) {

   297

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

   298

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

   299

   300

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

   301

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

   302

   303

					// draw flag according to server language

   304

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

   305

				}

   306

   307

				cur_item = cur_item->next;

   308

				y += NET_PRC__SIZE_OF_ROW;

   309

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

   310

			}

   311

		}

   312

   313

		/* Draw the right menu */

   314

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

   315

		if (sel == NULL) {

   316

			DrawStringMultiCenter(425, 58, STR_NETWORK_GAME_INFO, 0);

   317

		} else if (!sel->online) {

   318

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

   319

			DrawStringMultiCenter(425, 68, STR_ORANGE, 2); // game name

   320

   321

			DrawStringMultiCenter(425, 132, STR_NETWORK_SERVER_OFFLINE, 2); // server offline

   322

		} else { // show game info

   323

			uint16 y = 100;

   324

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

   325

   326

			DrawStringMultiCenter(425, 48, STR_NETWORK_GAME_INFO, 0);

   327

   328

   329

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

   330

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

   331

   332

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

   333

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

   334

   335

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

   336

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

   337

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

   338

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

   339

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   340

			y += 10;

   341

   342

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

   343

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

   344

			y += 10;

   345

   346

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

   347

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

   348

			y += 10;

   349

   350

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

   351

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

   352

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

   353

			y += 10;

   354

   355

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

   356

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

   357

			y += 10;

   358

   359

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

   360

			SetDParam(1, sel->port);

   361

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

   362

			y += 10;

   363

   364

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

   365

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

   366

			y += 10;

   367

   368

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

   369

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

   370

			y += 10;

   371

   372

			y += 2;

   373

   374

			if (!sel->info.compatible) {

   375

					DrawStringMultiCenter(425, y, STR_NETWORK_VERSION_MISMATCH, 2); // server mismatch

   376

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

   377

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

   378

				DrawStringMultiCenter(425, y, STR_NETWORK_SERVER_FULL, 2); // server full

   379

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

   380

				DrawStringMultiCenter(425, y, STR_NETWORK_PASSWORD, 2); // password warning

   381

			}

   382

   383

			y += 10;

   384

		}

   385

	}	break;

   386

   387

	case WE_CLICK:

   388

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

   389

		switch (e->click.widget) {

   390

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

   391

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   392

			break;

   393

		case 4: case 5:

   394

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

   395

			break;

   396

		case 6: /* Sort by name */

   397

		case 7: /* Sort by connected clients */

   398

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

   399

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

   400

			ld->flags |= VL_RESORT;

   401

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

   402

   403

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

   404

			_ng_sorting.criteria = ld->sort_type;

   405

			SetWindowDirty(w);

   406

			break;

   407

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

   408

			NetworkGameList *cur_item;

   409

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

   410

   411

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

   412

			id_v += w->vscroll.pos;

   413

   414

			cur_item = _network_game_list;

   415

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

   416

   417

			nd->server = cur_item;

   418

			SetWindowDirty(w);

   419

		} break;

   420

		case 11: /* Find server automatically */

   421

			switch (_network_lan_internet) {

   422

				case 0: NetworkUDPSearchGame(); break;

   423

				case 1: NetworkUDPQueryMasterServer(); break;

   424

			}

   425

			break;

   426

		case 12: { // Add a server

   427

				ShowQueryString(

   428

				BindCString(_network_default_ip),

   429

				STR_NETWORK_ENTER_IP,

   430

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

   431

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

   432

				w->window_class,

   433

				w->window_number);

   434

		} break;

   435

		case 13: /* Start server */

   436

			ShowNetworkStartServerWindow();

   437

			break;

   438

		case 16: /* Join Game */

   439

			if (nd->server != NULL) {

   440

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

   441

				_network_last_port = nd->server->port;

   442

				ShowNetworkLobbyWindow(nd->server);

   443

			}

   444

			break;

   445

		case 17: // Refresh

   446

			if (nd->server != NULL)

   447

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

   448

			break;

   449

   450

	}	break;

   451

   452

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

   453

		switch (e->dropdown.button) {

   454

			case 5:

   455

				_network_lan_internet = e->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

		ld->flags |= VL_REBUILD;

   468

		SetWindowDirty(w);

   469

		break;

   470

   471

	case WE_KEYPRESS:

   472

		if (nd->field != 3) {

   473

			if (nd->server != NULL) {

   474

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

   475

					NetworkGameListRemoveItem(nd->server);

   476

					NetworkRebuildHostList();

   477

					nd->server = NULL;

   478

				}

   479

			}

   480

			break;

   481

		}

   482