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_gamelist.h"

    18

#include "window.h"

    19

#include "gui.h"

    20

#include "gfx.h"

    21

#include "command.h"

    22

#include "variables.h"

    23

#include "network_server.h"

    24

#include "network_udp.h"

    25

    26

#define BGC 5

    27

#define BTC 15

    28

#define MAX_QUERYSTR_LEN 64

    29

    30

typedef struct network_d {

    31

	byte 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[MAX_QUERYSTR_LEN*2];

    55

static void ShowNetworkStartServerWindow(void);

    56

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    57

    58

static const StringID _connection_types_dropdown[] = {

    59

	STR_NETWORK_LAN_INTERNET,

    60

	STR_NETWORK_INTERNET_ADVERTISE,

    61

	INVALID_STRING_ID

    62

};

    63

    64

static const StringID _lan_internet_types_dropdown[] = {

    65

	STR_NETWORK_LAN,

    66

	STR_NETWORK_INTERNET,

    67

	INVALID_STRING_ID

    68

};

    69

    70

static const StringID _players_dropdown[] = {

    71

	STR_NETWORK_0_PLAYERS,

    72

	STR_NETWORK_1_PLAYERS,

    73

	STR_NETWORK_2_PLAYERS,

    74

	STR_NETWORK_3_PLAYERS,

    75

	STR_NETWORK_4_PLAYERS,

    76

	STR_NETWORK_5_PLAYERS,

    77

	STR_NETWORK_6_PLAYERS,

    78

	STR_NETWORK_7_PLAYERS,

    79

	STR_NETWORK_8_PLAYERS,

    80

	STR_NETWORK_9_PLAYERS,

    81

	STR_NETWORK_10_PLAYERS,

    82

	INVALID_STRING_ID

    83

};

    84

    85

static const StringID _language_dropdown[] = {

    86

	STR_NETWORK_LANG_ANY,

    87

	STR_NETWORK_LANG_ENGLISH,

    88

	STR_NETWORK_LANG_GERMAN,

    89

	STR_NETWORK_LANG_FRENCH,

    90

	INVALID_STRING_ID

    91

};

    92

    93

enum {

    94

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

    95

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

    96

	NET_PRC__SIZE_OF_ROW                = 14,

    97

};

    98

    99

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

   100

void UpdateNetworkGameWindow(bool unselect)

   101

{

   102

	Window* w = FindWindowById(WC_NETWORK_WINDOW, 0);

   103

   104

	if (w != NULL) {

   105

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

   106

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

   107

	}

   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 & 1) ? -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 = cmp2->info.clients_on - cmp1->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 & 1) ? -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

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

   146

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

   147

   148

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

   149

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

   150

   151

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

   152

}

   153

   154

static NGameNameSortFunction* const _ngame_sorter[] = {

   155

	&NGameNameSorter,

   156

	&NGameClientSorter,

   157

	&NGameAllowedSorter

   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

	NetworkGameList *item;

   192

	uint i;

   193

   194

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

		nd->field = 3;

   221

		nd->server = NULL;

   222

   223

		WP(w, network_ql_d).sort_list = NULL;

   224

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

   225

		ld->sort_type = _ng_sorting.criteria;

   226

		break;

   227

   228

	case WE_PAINT: {

   229

		const NetworkGameList *sel = nd->server;

   230

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

   231

   232

		if (ld->flags & VL_REBUILD) {

   233

			BuildNetworkGameList(&WP(w, network_ql_d));

   234

			SetVScrollCount(w, ld->list_length);

   235

		}

   236

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

   237

   238

		w->disabled_state = 0;

   239

   240

		if (sel == NULL) {

   241

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

   242

		} else if (!sel->online) {

   243

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

   244

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

   245

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

   246

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

   247

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

   248

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

   249

		}

   250

   251

		SetDParam(0, 0x00);

   252

		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);

   253

		DrawWindowWidgets(w);

   254

   255

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

   256

   257

		DrawString(9, 23, STR_NETWORK_CONNECTION, 2);

   258

		DrawString(210, 23, STR_NETWORK_PLAYER_NAME, 2);

   259

   260

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

   261

		switch (ld->sort_type) {

   262

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

   263

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

   264

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

   265

		}

   266

   267

		{ // draw list of games

   268

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   269

			int32 n = 0;

   270

			int32 pos = w->vscroll.pos;

   271

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

   272

			const NetworkGameList *cur_item = _network_game_list;

   273

   274

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

   275

				pos--;

   276

				cur_item = cur_item->next;

   277

			}

   278

   279

			while (cur_item != NULL) {

   280

				// show highlighted item with a different colour

   281

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

   282

   283

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

   284

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

   285

   286

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

   287

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

   288

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

   289

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

   290

				DrawStringCentered(210, y, STR_NETWORK_GENERAL_ONLINE, 2);

   291

   292

				// only draw icons if the server is online

   293

				if (cur_item->online) {

   294

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

   295

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

   296

   297

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

   298

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

   299

   300

					// draw flag according to server language

   301

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

   302

				}

   303

   304

				cur_item = cur_item->next;

   305

				y += NET_PRC__SIZE_OF_ROW;

   306

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

   307

			}

   308

		}

   309

   310

		/* Draw the right menu */

   311

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

   312

		if (sel == NULL) {

   313

			DrawStringMultiCenter(425, 58, STR_NETWORK_GAME_INFO, 0);

   314

		} else if (!sel->online) {

   315

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

   316

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

   317

   318

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

   319

		} else { // show game info

   320

			uint16 y = 100;

   321

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

   322

   323

			DrawStringMultiCenter(425, 48, STR_NETWORK_GAME_INFO, 0);

   324

   325

   326

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

   327

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

   328

   329

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

   330

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

   331

   332

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

   333

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

   334

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

   335

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

   336

			DrawString(x, y, STR_NETWORK_CLIENTS, 2);

   337

			y += 10;

   338

   339

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

   340

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

   341

			y += 10;

   342

   343

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

   344

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

   345

			y += 10;

   346

   347

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

   348

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

   349

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

   350

			y += 10;

   351

   352

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

   353

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

   354

			y += 10;

   355

   356

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

   357

			SetDParam(1, sel->port);

   358

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

   359

			y += 10;

   360

   361

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

   362

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

   363

			y += 10;

   364

   365

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

   366

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

   367

			y += 10;

   368

   369

			y += 2;

   370

   371

			if (!sel->info.compatible) {

   372

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

   373

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

   374

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

   375

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

   376

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

   377

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

   378

			}

   379

   380

			y += 10;

   381

		}

   382

	}	break;

   383

   384

	case WE_CLICK:

   385

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

   386

		switch (e->click.widget) {

   387

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

   388

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   389

			break;

   390

		case 4: case 5:

   391

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

   392

			break;

   393

		case 6: /* Sort by name */

   394

		case 7: /* Sort by connected clients */

   395

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

   396

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

   397

			ld->flags |= VL_RESORT;

   398

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

   399

   400

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

   401

			_ng_sorting.criteria = ld->sort_type;

   402

			SetWindowDirty(w);

   403

			break;

   404

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

   405

			NetworkGameList *cur_item;

   406

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

   407

   408

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

   409

			id_v += w->vscroll.pos;

   410

   411

			cur_item = _network_game_list;

   412

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

   413

   414

			nd->server = cur_item;

   415

			SetWindowDirty(w);

   416

		} break;

   417

		case 11: /* Find server automatically */

   418

			switch (_network_lan_internet) {

   419

				case 0: NetworkUDPSearchGame(); break;

   420

				case 1: NetworkUDPQueryMasterServer(); break;

   421

			}

   422

			break;

   423

		case 12: { // Add a server

   424

				ShowQueryString(

   425

				BindCString(_network_default_ip),

   426

				STR_NETWORK_ENTER_IP,

   427

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

   428

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

   429

				w->window_class,

   430

				w->window_number);

   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

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

   445

			break;

   446

   447

	}	break;

   448

   449

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

   450

		switch(e->dropdown.button) {

   451

			case 5:

   452

				_network_lan_internet = e->dropdown.index;

   453

				break;

   454

		}

   455

   456

		SetWindowDirty(w);

   457

		break;

   458

   459

	case WE_MOUSELOOP:

   460

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

   461

		break;

   462

   463

	case WE_MESSAGE:

   464

		ld->flags |= VL_REBUILD;

   465

		SetWindowDirty(w);

   466

		break;

   467

   468

	case WE_KEYPRESS:

   469

		if (nd->field != 3) {

   470

			if (nd->server != NULL) {

   471

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

   472

					NetworkGameListRemoveItem(nd->server);

   473

					NetworkRebuildHostList();

   474

					nd->server = NULL;

   475

				}

   476

			}

   477

			break;

   478

		}

   479

   480

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

   481

   482

		// The name is only allowed when it starts with a letter!

   483

		if (_edit_str_buf[0] != '\0' && _edit_str_buf[0] != ' ') {

   484