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/* $Id$ */

     2

     3

#ifdef ENABLE_NETWORK

     4

#include "../stdafx.h"

     5

#include "../openttd.h"

     6

#include "../string.h"

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#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"

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#include "../functions.h"

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#include "network_data.h"

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#include "network_client.h"

    17

#include "network_gui.h"

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#include "network_gamelist.h"

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#include "../gui.h"

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#include "../gfx.h"

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#include "../command.h"

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#include "../variables.h"

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#include "network_server.h"

    24

#include "network_udp.h"

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#include "../settings.h"

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#include "../string.h"

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#include "../town.h"

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#include "../newgrf.h"

    29

#include "../helpers.hpp"

    30

    31

#define BGC 5

    32

#define BTC 15

    33

    34

struct network_d {

    35

	PlayerID company;        // select company in network lobby

    36

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

    37

	byte widget_id;          ///< The widget that has the pop-up input menu

    38

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

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

    40

};

    41

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

    42

    43

struct network_ql_d {

    44

	network_d n;                 // see above; general stuff

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

    46

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

    47

	list_d l;                    // accompanying list-administration

    48

};

    49

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

    50

    51

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

    52

static Listing _ng_sorting;

    53

    54

static char _edit_str_buf[150];

    55

static bool _chat_tab_completion_active;

    56

    57

static void ShowNetworkStartServerWindow();

    58

static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

    59

extern void SwitchMode(int new_mode);

    60

    61

static const StringID _connection_types_dropdown[] = {

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	STR_NETWORK_LAN_INTERNET,

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	STR_NETWORK_INTERNET_ADVERTISE,

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	INVALID_STRING_ID

    65

};

    66

    67

static const StringID _lan_internet_types_dropdown[] = {

    68

	STR_NETWORK_LAN,

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	STR_NETWORK_INTERNET,

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	INVALID_STRING_ID

    71

};

    72

    73

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

    74

    75

void SortNetworkLanguages()

    76

{

    77

	/* Init the strings */

    78

	if (_language_dropdown[0] == STR_NULL) {

    79

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

    80

		_language_dropdown[NETLANG_COUNT] = INVALID_STRING_ID;

    81

	}

    82

    83

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

    84

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

    85

}

    86

    87

enum {

    88

	NET_PRC__OFFSET_TOP_WIDGET          = 54,

    89

	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

    90

	NET_PRC__SIZE_OF_ROW                = 14,

    91

};

    92

    93

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

    94

 * found on the network.

    95

 * @param unselect unselect the currently selected item */

    96

void UpdateNetworkGameWindow(bool unselect)

    97

{

    98

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

    99

}

   100

   101

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

   102

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

   103

   104

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

   105

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

   106

{

   107

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

   108

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

   109

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

   110

   111

	return _internal_sort_order ? -r : r;

   112

}

   113

   114

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

   115

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

   116

 * higher maximum is preferred. */

   117

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

   118

{

   119

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

   120

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

   121

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

   122

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

   123

   124

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

   125

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

   126

   127

	return _internal_sort_order ? -r : r;

   128

}

   129

   130

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

   131

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

   132

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

   133

{

   134

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

   135

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

   136

   137

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

   138

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

   139

   140

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

   141

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

   142

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

   143

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

   144

	/* Passworded servers should be below unpassworded servers */

   145

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

   146

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

   147

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

   148

   149

	return _internal_sort_order ? -r : r;

   150

}

   151

   152

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

   153

 * an item has been added or deleted for example

   154

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

   155

static void BuildNetworkGameList(network_ql_d *nqld)

   156

{

   157

	NetworkGameList *ngl_temp;

   158

	uint n = 0;

   159

   160

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

   161

   162

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

   163

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

   164

	if (n == 0) return;

   165

   166

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

   167

	free(nqld->sort_list);

   168

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

   169

	nqld->l.list_length = n;

   170

   171

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

   172

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

   173

	}

   174

   175

	/* Force resort */

   176

	nqld->l.flags &= ~VL_REBUILD;

   177

	nqld->l.flags |= VL_RESORT;

   178

}

   179

   180

static void SortNetworkGameList(network_ql_d *nqld)

   181

{

   182

	static NGameNameSortFunction * const ngame_sorter[] = {

   183

		&NGameNameSorter,

   184

		&NGameClientSorter,

   185

		&NGameAllowedSorter

   186

	};

   187

   188

	NetworkGameList *item;

   189

	uint i;

   190

   191

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

   192

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

   193

   194

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

   195

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

   196

   197

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

   198

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

   199

	 * shuffling the ->next pointers */

   200

	_network_game_list = nqld->sort_list[0];

   201

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

   202

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

   203

		item = item->next;

   204

	}

   205

	item->next = NULL;

   206

   207

	nqld->l.flags &= ~VL_RESORT;

   208

}

   209

   210

/** Enum for NetworkGameWindow, referring to _network_game_window_widgets */

   211

enum NetworkGameWindowWidgets {

   212

	NGWW_CLOSE    = 0,  ///< Close 'X' button

   213

	NGWW_CONN_TXT = 4,  ///< 'Connection' droplist

   214

	NGWW_CONN_BTN = 5,  ///< 'Connection' droplist button

   215

	NGWW_PLAYER   = 6,  ///< Panel with editbox to set player name

   216

   217

	NGWW_NAME     = 7,  ///< 'Name' button

   218

	NGWW_CLIENTS,       ///< 'Clients' button

   219

	NGWW_INFO,          ///< Third button in the game list panel

   220

   221

	NGWW_MATRIX   = 10, ///< Panel with list of games

   222

   223

	NGWW_DETAILS  = 12, ///< Panel with game details

   224

	NGWW_JOIN     = 13, ///< 'Join game' button

   225

	NGWW_REFRESH  = 14, ///< 'Refresh server' button

   226

	NGWW_NEWGRF   = 15, ///< 'NewGRF Settings' button

   227

   228

	NGWW_FIND     = 16, ///< 'Find server' button

   229

	NGWW_ADD,           ///< 'Add server' button

   230

	NGWW_START,         ///< 'Start server' button

   231

	NGWW_CANCEL,        ///< 'Cancel' button

   232

};

   233

   234

/**

   235

 * Handler of actions done in the NetworkStartServer window

   236

 *

   237

 * @param w pointer to the Window structure

   238

 * @param e pointer to window event

   239

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

   240

 * @see     struct _network_game_window_widgets

   241

 * @see     enum NetworkGameWindowWidgets

   242

 */

   243

   244

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

   245

{

   246

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

   247

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

   248

   249

	switch (e->event) {

   250

	case WE_CREATE: // Focus input box

   251

		w->vscroll.cap = 13;

   252

		w->resize.step_height = NET_PRC__SIZE_OF_ROW;

   253

   254

		nd->field = NGWW_PLAYER;

   255

		nd->server = NULL;

   256

   257

		WP(w, network_ql_d).sort_list = NULL;

   258

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

   259

		ld->sort_type = _ng_sorting.criteria;

   260

		break;

   261

   262

	case WE_PAINT: {

   263

		const NetworkGameList *sel = nd->server;

   264

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

   265

   266

		if (ld->flags & VL_REBUILD) {

   267

			BuildNetworkGameList(&WP(w, network_ql_d));

   268

			SetVScrollCount(w, ld->list_length);

   269

		}

   270

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

   271

   272

		/* 'Refresh' button invisible if no server selected */

   273

		w->SetWidgetDisabledState(NGWW_REFRESH, sel == NULL);

   274

		/* 'Join' button disabling conditions */

   275

		w->SetWidgetDisabledState(NGWW_JOIN, sel == NULL || // no Selected Server

   276

				!sel->online || // Server offline

   277

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

   278

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

   279

   280

		/* 'NewGRF Settings' button invisible if no NewGRF is used */

   281

		w->SetWidgetHiddenState(NGWW_NEWGRF, sel == NULL ||

   282

				!sel->online ||

   283

				sel->info.grfconfig == NULL);

   284

   285

		SetDParam(0, 0x00);

   286

		SetDParam(1, _lan_internet_types_dropdown[_network_lan_internet]);

   287

		DrawWindowWidgets(w);

   288

   289

		/* Edit box to set player name */

   290

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

   291

   292

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

   293

   294

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

   295

		switch (ld->sort_type) {

   296

			case NGWW_NAME    - NGWW_NAME: DoDrawString(arrow, w->widget[NGWW_NAME].right    - 10, 42, TC_BLACK); break;

   297

			case NGWW_CLIENTS - NGWW_NAME: DoDrawString(arrow, w->widget[NGWW_CLIENTS].right - 10, 42, TC_BLACK); break;

   298

			case NGWW_INFO    - NGWW_NAME: DoDrawString(arrow, w->widget[NGWW_INFO].right    - 10, 42, TC_BLACK); break;

   299

		}

   300

   301

		{ // draw list of games

   302

			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   303

			int32 n = 0;

   304

			int32 pos = w->vscroll.pos;

   305

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

   306

			const NetworkGameList *cur_item = _network_game_list;

   307

   308

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

   309

				pos--;

   310

				cur_item = cur_item->next;

   311

			}

   312

   313

			while (cur_item != NULL) {

   314

				/* show highlighted item with a different colour */

   315

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

   316

   317

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

   318

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

   319

   320

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

   321

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

   322

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

   323

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

   324

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

   325

   326

				/* only draw icons if the server is online */

   327

				if (cur_item->online) {

   328

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

   329

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

   330

   331

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

   332

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

   333

   334

					/* draw flag according to server language */

   335

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

   336

				}

   337

   338

				cur_item = cur_item->next;

   339

				y += NET_PRC__SIZE_OF_ROW;

   340

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

   341

			}

   342

		}

   343

   344

		/* Draw the right menu */

   345

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

   346

		if (sel == NULL) {

   347

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

   348

		} else if (!sel->online) {

   349

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

   350

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

   351

   352

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

   353

		} else { // show game info

   354

			uint16 y = 100;

   355

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

   356

   357

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

   358

   359

   360

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

   361

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

   362

   363

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

   364

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

   365

   366

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

   367

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

   368

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

   369

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

   370

			DrawString(x, y, STR_NETWORK_CLIENTS, TC_GOLD);

   371

			y += 10;

   372

   373

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

   374

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

   375

			y += 10;

   376

   377

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

   378

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

   379

			y += 10;

   380

   381

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

   382

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

   383

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

   384

			y += 10;

   385

   386

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

   387

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

   388

			y += 10;

   389

   390

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

   391

			SetDParam(1, sel->port);

   392

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

   393

			y += 10;

   394

   395

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

   396

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

   397

			y += 10;

   398

   399

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

   400

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

   401

			y += 10;

   402

   403

			y += 2;

   404

   405

			if (!sel->info.compatible) {

   406

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

   407

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

   408

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

   409

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

   410

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

   411

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

   412

			}

   413

   414

			y += 10;

   415

		}

   416

	} break;

   417

   418

	case WE_CLICK:

   419

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

   420

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

   421

		case NGWW_CANCEL: // Cancel button

   422

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   423

			break;

   424

		case NGWW_CONN_TXT: case NGWW_CONN_BTN: // 'Connection' droplist

   425

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

   426

			break;

   427

		case NGWW_NAME: // Sort by name

   428

		case NGWW_CLIENTS: // Sort by connected clients

   429

		case NGWW_INFO: // Connectivity (green dot)

   430

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

   431

			ld->flags |= VL_RESORT;

   432

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

   433

   434

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

   435

			_ng_sorting.criteria = ld->sort_type;

   436

			SetWindowDirty(w);

   437

			break;

   438

		case NGWW_MATRIX: { // Matrix to show networkgames

   439

			NetworkGameList *cur_item;

   440

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

   441

   442

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

   443

			id_v += w->vscroll.pos;

   444

   445

			cur_item = _network_game_list;

   446

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

   447

   448

			nd->server = cur_item;

   449

			SetWindowDirty(w);

   450

		} break;

   451

		case NGWW_FIND: // Find server automatically

   452

			switch (_network_lan_internet) {

   453

				case 0: NetworkUDPSearchGame(); break;

   454

				case 1: NetworkUDPQueryMasterServer(); break;

   455

			}

   456

			break;

   457

		case NGWW_ADD: { // Add a server

   458

			ShowQueryString(

   459

				BindCString(_network_default_ip),

   460

				STR_NETWORK_ENTER_IP,

   461

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

   462

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

   463

				w, CS_ALPHANUMERAL);

   464

		} break;

   465

		case NGWW_START: // Start server

   466

			ShowNetworkStartServerWindow();

   467

			break;

   468

		case NGWW_JOIN: // Join Game

   469

			if (nd->server != NULL) {

   470

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

   471

				_network_last_port = nd->server->port;

   472

				ShowNetworkLobbyWindow(nd->server);

   473

			}

   474

			break;

   475

		case NGWW_REFRESH: // Refresh

   476

			if (nd->server != NULL)

   477

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

   478

			break;

   479

		case NGWW_NEWGRF: // NewGRF Settings

   480

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

   481

			break;