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"

     9

    10

#include "hal.h" // for file list

    11

    12

#ifdef ENABLE_NETWORK

    13

    14

#include "table/strings.h"

    15

#include "functions.h"

    16

#include "network_data.h"

    17

#include "network_client.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

    27

#define BGC 5

    28

#define BTC 15

    29

    30

typedef struct network_d {

    31

	PlayerID company;        // select company in network lobby

    32

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

    33

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

    34

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

    35

} network_d;

    36

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

    37

    38

typedef struct network_ql_d {

    39

	network_d n;                 // see above; general stuff

    40

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

    41

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

    42

	list_d l;                    // accompanying list-administration

    43

} network_ql_d;

    44

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

    45

    46

typedef struct NetworkGameSorting {

    47

	bool order;    // Ascending / Descending

    48

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

    49

} NetworkGameSorting;

    50

    51

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

    52

static NetworkGameSorting _ng_sorting;

    53

    54

static char _edit_str_buf[64];

    55

    56

static void ShowNetworkStartServerWindow(void);

    57

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    58

    59

static const StringID _connection_types_dropdown[] = {

    60

	STR_NETWORK_LAN_INTERNET,

    61

	STR_NETWORK_INTERNET_ADVERTISE,

    62

	INVALID_STRING_ID

    63

};

    64

    65

static const StringID _lan_internet_types_dropdown[] = {

    66

	STR_NETWORK_LAN,

    67

	STR_NETWORK_INTERNET,

    68

	INVALID_STRING_ID

    69

};

    70

    71

static const StringID _players_dropdown[] = {

    72

	STR_NETWORK_0_PLAYERS,

    73

	STR_NETWORK_1_PLAYERS,

    74

	STR_NETWORK_2_PLAYERS,

    75

	STR_NETWORK_3_PLAYERS,

    76

	STR_NETWORK_4_PLAYERS,

    77

	STR_NETWORK_5_PLAYERS,

    78

	STR_NETWORK_6_PLAYERS,

    79

	STR_NETWORK_7_PLAYERS,

    80

	STR_NETWORK_8_PLAYERS,

    81

	STR_NETWORK_9_PLAYERS,

    82

	STR_NETWORK_10_PLAYERS,

    83

	INVALID_STRING_ID

    84

};

    85

    86

static const StringID _language_dropdown[] = {

    87

	STR_NETWORK_LANG_ANY,

    88

	STR_NETWORK_LANG_ENGLISH,

    89

	STR_NETWORK_LANG_GERMAN,

    90

	STR_NETWORK_LANG_FRENCH,

    91

	INVALID_STRING_ID

    92

};

    93

    94

enum {

    95

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

    96

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

    97

	NET_PRC__SIZE_OF_ROW                = 14,

    98

};

    99

   100

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

   101

void UpdateNetworkGameWindow(bool unselect)

   102

{

   103

	Window* w = FindWindowById(WC_NETWORK_WINDOW, 0);

   104

   105

	if (w != NULL) {

   106

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

   107

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

   108

	}

   109

}

   110

   111

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

   112

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

   113

   114

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

   115

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

   116

{

   117

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

   118

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

   119

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

   120

   121

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

   122

}

   123

   124

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

   125

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

   126

 * higher maximum is preferred. */

   127

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

   128

{

   129

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

   130

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

   131

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

   132

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

   133

   134

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

   135

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

   136

   137

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

   138

}

   139

   140

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

   141

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

   142

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

   143

{

   144

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

   145

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

   146

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

   147

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

   148

   149

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

   150

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

   151

   152

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

   153

}

   154

   155

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

   156

 * an item has been added or deleted for example

   157

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

   158

static void BuildNetworkGameList(network_ql_d *nqld)

   159

{

   160

	NetworkGameList *ngl_temp;

   161

	uint n = 0;

   162

   163

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

   164

   165

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

   166

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

   167

	if (n == 0) return;

   168

   169

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

   170

	free(nqld->sort_list);

   171

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

   172

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

   173

	nqld->l.list_length = n;

   174

   175

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

   176

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

   177

	}

   178

   179

	/* Force resort */

   180

	nqld->l.flags &= ~VL_REBUILD;

   181

	nqld->l.flags |= VL_RESORT;

   182

}

   183

   184

static void SortNetworkGameList(network_ql_d *nqld)

   185

{

   186

	static NGameNameSortFunction* const ngame_sorter[] = {

   187

		&NGameNameSorter,

   188

		&NGameClientSorter,

   189

		&NGameAllowedSorter

   190

	};

   191

   192

	NetworkGameList *item;

   193

	uint i;

   194

   195

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

   196

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

   197

   198

	_internal_sort_order = nqld->l.flags & VL_DESC;

   199

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

   200

   201

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

   202

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

   203

	 * shuffling the ->next pointers */

   204

	_network_game_list = nqld->sort_list[0];

   205

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

   206

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

   207

		item = item->next;

   208

	}

   209

	item->next = NULL;

   210

   211

	nqld->l.flags &= ~VL_RESORT;

   212

}

   213

   214

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

   215

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

   216

{

   217

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

   218

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

   219

   220

	switch (e->event) {

   221

	case WE_CREATE: /* Focus input box */

   222

		nd->field = 3;

   223

		nd->server = NULL;

   224

   225

		WP(w, network_ql_d).sort_list = NULL;

   226

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

   227

		ld->sort_type = _ng_sorting.criteria;

   228

		break;

   229

   230

	case WE_PAINT: {

   231

		const NetworkGameList *sel = nd->server;

   232

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

   233

   234

		if (ld->flags & VL_REBUILD) {

   235

			BuildNetworkGameList(&WP(w, network_ql_d));

   236

			SetVScrollCount(w, ld->list_length);

   237

		}

   238

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

   239

   240

		w->disabled_state = 0;

   241

   242

		if (sel == NULL) {

   243

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

   244

		} else if (!sel->online) {

   245

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

   246

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

   247

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

   248

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

   249

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

   250

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

   251

		}

   252

   253

		SetDParam(0, 0x00);

   254

		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);

   255

		DrawWindowWidgets(w);

   256

   257

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

   258

   259

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   260

		DrawString(210, 23, STR_NETWORK_PLAYER_NAME, 2);

   261

   262

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

   263

		switch (ld->sort_type) {

   264

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

   265

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

   266

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

   267

		}

   268

   269

		{ // draw list of games

   270

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   271

			int32 n = 0;

   272

			int32 pos = w->vscroll.pos;

   273

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

   274

			const NetworkGameList *cur_item = _network_game_list;

   275

   276

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

   277

				pos--;

   278

				cur_item = cur_item->next;

   279

			}

   280

   281

			while (cur_item != NULL) {

   282

				// show highlighted item with a different colour

   283

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

   284

   285

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

   286

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

   287

   288

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

   289

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

   290

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

   291

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

   292

				DrawStringCentered(210, y, STR_NETWORK_GENERAL_ONLINE, 2);

   293

   294

				// only draw icons if the server is online

   295

				if (cur_item->online) {

   296

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

   297

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

   298

   299

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

   300

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

   301

   302

					// draw flag according to server language

   303

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

   304

				}

   305

   306

				cur_item = cur_item->next;

   307

				y += NET_PRC__SIZE_OF_ROW;

   308

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

   309

			}

   310

		}

   311

   312

		/* Draw the right menu */

   313

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

   314

		if (sel == NULL) {

   315

			DrawStringMultiCenter(425, 58, STR_NETWORK_GAME_INFO, 0);

   316

		} else if (!sel->online) {

   317

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

   318

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

   319

   320

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

   321

		} else { // show game info

   322

			uint16 y = 100;

   323

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

   324

   325

			DrawStringMultiCenter(425, 48, STR_NETWORK_GAME_INFO, 0);

   326

   327

   328

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

   329

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

   330

   331

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

   332

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

   333

   334

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

   335

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

   336

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

   337

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

   338

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   339

			y += 10;

   340

   341

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

   342

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

   343

			y += 10;

   344

   345

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

   346

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

   347

			y += 10;

   348

   349

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

   350

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

   351

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

   352

			y += 10;

   353

   354

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

   355

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

   356

			y += 10;

   357

   358

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

   359

			SetDParam(1, sel->port);

   360

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

   361

			y += 10;

   362

   363

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

   364

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

   365

			y += 10;

   366

   367

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

   368

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

   369

			y += 10;

   370

   371

			y += 2;

   372

   373

			if (!sel->info.compatible) {

   374

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

   375

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

   376

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

   377

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

   378

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

   379

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

   380

			}

   381

   382

			y += 10;

   383

		}

   384

	}	break;

   385

   386

	case WE_CLICK:

   387

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

   388

		switch (e->click.widget) {

   389

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

   390

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   391

			break;

   392

		case 4: case 5:

   393

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

   394

			break;

   395

		case 6: /* Sort by name */

   396

		case 7: /* Sort by connected clients */

   397

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

   398

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

   399

			ld->flags |= VL_RESORT;

   400

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

   401

   402

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

   403

			_ng_sorting.criteria = ld->sort_type;

   404

			SetWindowDirty(w);

   405

			break;

   406

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

   407

			NetworkGameList *cur_item;

   408

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

   409

   410

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

   411

			id_v += w->vscroll.pos;

   412

   413

			cur_item = _network_game_list;

   414

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

   415

   416

			nd->server = cur_item;

   417

			SetWindowDirty(w);

   418

		} break;

   419

		case 11: /* Find server automatically */

   420

			switch (_network_lan_internet) {

   421

				case 0: NetworkUDPSearchGame(); break;

   422

				case 1: NetworkUDPQueryMasterServer(); break;

   423

			}

   424

			break;

   425

		case 12: { // Add a server

   426

				ShowQueryString(

   427

				BindCString(_network_default_ip),

   428

				STR_NETWORK_ENTER_IP,

   429

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

   430

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

   431

				w->window_class,

   432

				w->window_number);

   433

		} break;

   434

		case 13: /* Start server */

   435

			ShowNetworkStartServerWindow();

   436

			break;

   437

		case 16: /* Join Game */

   438

			if (nd->server != NULL) {

   439

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

   440

				_network_last_port = nd->server->port;

   441

				ShowNetworkLobbyWindow(nd->server);

   442

			}

   443

			break;

   444

		case 17: // Refresh

   445

			if (nd->server != NULL)

   446

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

   447

			break;

   448

   449

	}	break;

   450

   451

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

   452

		switch (e->dropdown.button) {

   453

			case 5:

   454

				_network_lan_internet = e->dropdown.index;

   455

				break;

   456

		}

   457

   458

		SetWindowDirty(w);

   459

		break;

   460

   461

	case WE_MOUSELOOP:

   462

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

   463

		break;

   464

   465

	case WE_MESSAGE:

   466

		ld->flags |= VL_REBUILD;

   467

		SetWindowDirty(w);

   468

		break;

   469

   470

	case WE_KEYPRESS:

   471

		if (nd->field != 3) {

   472

			if (nd->server != NULL) {

   473

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

   474

					NetworkGameListRemoveItem(nd->server);

   475

					NetworkRebuildHostList();

   476

					nd->server = NULL;

   477

				}

   478

			}

   479

			break;

   480

		}

   481

   482

		if (HandleEditBoxKey(w, &WP(w, network_ql_d).q, 3, e) == 1) break; // enter pressed

   483