1

/* $Id$ */

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     3

/** @file network_gui.cpp Implementation of the Network related GUIs. */

     4

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#ifdef ENABLE_NETWORK

     6

#include "../stdafx.h"

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#include "../openttd.h"

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#include "../strings_func.h"

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#include "network.h"

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#include "../date_func.h"

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#include "../fios.h"

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#include "network_internal.h"

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#include "network_client.h"

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#include "network_gui.h"

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#include "network_gamelist.h"

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#include "../gui.h"

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#include "../window_gui.h"

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#include "../variables.h"

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#include "network_server.h"

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#include "network_udp.h"

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#include "../newgrf.h"

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#include "../functions.h"

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#include "../window_func.h"

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#include "../core/alloc_func.hpp"

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#include "../string_func.h"

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#include "../gfx_func.h"

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#include "../company_func.h"

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#include "../settings_type.h"

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#include "../widgets/dropdown_func.h"

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#include "../querystring_gui.h"

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#include "../sortlist_type.h"

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#include "../company_base.h"

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    34

#include "table/strings.h"

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#include "../table/sprites.h"

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    37

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static void ShowNetworkStartServerWindow();

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static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

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extern void SwitchMode(int new_mode);

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    42

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

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};

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    48

static const StringID _lan_internet_types_dropdown[] = {

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	STR_NETWORK_LAN,

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	STR_NETWORK_INTERNET,

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	INVALID_STRING_ID

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};

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

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    56

void SortNetworkLanguages()

    57

{

    58

	/* Init the strings */

    59

	if (_language_dropdown[0] == STR_NULL) {

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

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		_language_dropdown[NETLANG_COUNT] = INVALID_STRING_ID;

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	}

    63

    64

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

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

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}

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    68

enum {

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	NET_PRC__OFFSET_TOP_WIDGET          = 54,

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	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

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	NET_PRC__SIZE_OF_ROW                = 14,

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};

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

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 * found on the network.

    76

 * @param unselect unselect the currently selected item */

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void UpdateNetworkGameWindow(bool unselect)

    78

{

    79

	InvalidateWindowData(WC_NETWORK_WINDOW, 0, unselect);

    80

}

    81

    82

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

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enum NetworkGameWindowWidgets {

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	NGWW_CLOSE,         ///< Close 'X' button

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	NGWW_CAPTION,       ///< Caption of the window

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	NGWW_RESIZE,        ///< Resize button

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	NGWW_CONNECTION,    ///< Label in from of connection droplist

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	NGWW_CONN_BTN,      ///< 'Connection' droplist button

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	NGWW_CLIENT,        ///< Panel with editbox to set client name

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	NGWW_NAME,          ///< 'Name' button

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	NGWW_CLIENTS,       ///< 'Clients' button

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	NGWW_MAPSIZE,       ///< 'Map size' button

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	NGWW_DATE,          ///< 'Date' button

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	NGWW_YEARS,         ///< 'Years' button

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

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    99

	NGWW_MATRIX,        ///< Panel with list of games

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	NGWW_SCROLLBAR,     ///< Scrollbar of matrix

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	NGWW_LASTJOINED_LABEL, ///< Label "Last joined server:"

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	NGWW_LASTJOINED,    ///< Info about the last joined server

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	NGWW_DETAILS,       ///< Panel with game details

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	NGWW_JOIN,          ///< 'Join game' button

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	NGWW_REFRESH,       ///< 'Refresh server' button

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	NGWW_NEWGRF,        ///< 'NewGRF Settings' button

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   110

	NGWW_FIND,          ///< 'Find server' button

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	NGWW_ADD,           ///< 'Add server' button

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	NGWW_START,         ///< 'Start server' button

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	NGWW_CANCEL,        ///< 'Cancel' button

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};

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typedef GUIList<NetworkGameList*> GUIGameServerList;

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typedef uint16 ServerListPosition;

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static const ServerListPosition SLP_INVALID = 0xFFFF;

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   120

class NetworkGameWindow : public QueryStringBaseWindow {

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protected:

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	/* Runtime saved values */

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	static Listing last_sorting;

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   125

	/* Constants for sorting servers */

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	static GUIGameServerList::SortFunction *const sorter_funcs[];

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   128

	byte field;                  ///< selected text-field

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	NetworkGameList *server;     ///< selected server

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	GUIGameServerList servers;   ///< list with game servers.

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	ServerListPosition list_pos; ///< position of the selected server

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   133

	/**

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

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	 * an item has been added or deleted for example

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	 */

   137

	void BuildNetworkGameList()

   138

	{

   139

		if (!this->servers.NeedRebuild()) return;

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   141

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

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		this->servers.Clear();

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   144

		for (NetworkGameList *ngl = _network_game_list; ngl != NULL; ngl = ngl->next) {

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			*this->servers.Append() = ngl;

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		}

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   148

		this->servers.Compact();

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		this->servers.RebuildDone();

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	}

   151

   152

	/** Sort servers by name. */

   153

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

   154

	{

   155

		return strcasecmp((*a)->info.server_name, (*b)->info.server_name);

   156

	}

   157

   158

	/** Sort servers by the amount of clients online on a

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

   160

	 * higher maximum is preferred. */

   161

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

   162

	{

   163

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

   164

		int r = (*a)->info.clients_on - (*b)->info.clients_on;

   165

   166

		if (r == 0) r = (*a)->info.clients_max - (*b)->info.clients_max;

   167

		if (r == 0) r = NGameNameSorter(a, b);

   168

   169

		return r;

   170

	}

   171

   172

	/** Sort servers by map size */

   173

	static int CDECL NGameMapSizeSorter(NetworkGameList* const *a, NetworkGameList* const *b)

   174

	{

   175

		/* Sort by the area of the map. */

   176

		int r = ((*a)->info.map_height) * ((*a)->info.map_width) - ((*b)->info.map_height) * ((*b)->info.map_width);

   177

   178

		if (r == 0) r = (*a)->info.map_width - (*b)->info.map_width;

   179

		return (r != 0) ? r : NGameClientSorter(a, b);

   180

	}

   181

   182

	/** Sort servers by current date */

   183

	static int CDECL NGameDateSorter(NetworkGameList* const *a, NetworkGameList* const *b)

   184

	{

   185

		int r = (*a)->info.game_date - (*b)->info.game_date;

   186

		return (r != 0) ? r : NGameClientSorter(a, b);

   187

	}

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   189

	/** Sort servers by the number of days the game is running */

   190

	static int CDECL NGameYearsSorter(NetworkGameList* const *a, NetworkGameList* const *b)

   191

	{

   192

		int r = (*a)->info.game_date - (*a)->info.start_date - (*b)->info.game_date + (*b)->info.start_date;

   193

		return (r != 0) ? r : NGameDateSorter(a, b);

   194

	}

   195

   196

	/** Sort servers by joinability. If both servers are the

   197

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

   198

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

   199

	{

   200

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

   201

		int r = StrEmpty((*a)->info.server_revision) - StrEmpty((*b)->info.server_revision);

   202

   203

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

   204

		if (r == 0) r = (*b)->info.version_compatible - (*a)->info.version_compatible;

   205

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

   206

		if (r == 0) r = (*b)->info.compatible - (*a)->info.compatible;

   207

		/* Passworded servers should be below unpassworded servers */

   208

		if (r == 0) r = (*a)->info.use_password - (*b)->info.use_password;

   209

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

   210

		if (r == 0) r = NGameNameSorter(a, b);

   211

   212

		return r;

   213

	}

   214

   215

	/** Sort the server list */

   216

	void SortNetworkGameList()

   217

	{

   218

		if (!this->servers.Sort()) return;

   219

   220

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

   221

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

   222

		 * shuffling the ->next pointers. While iterating, look for the

   223

		 * currently selected server and set list_pos to its position */

   224

		this->list_pos = SLP_INVALID;

   225

		_network_game_list = this->servers[0];

   226

		NetworkGameList *item = _network_game_list;

   227

		if (item == this->server) this->list_pos = 0;

   228

		for (uint i = 1; i != this->servers.Length(); i++) {

   229

			item->next = this->servers[i];

   230

			item = item->next;

   231

			if (item == this->server) this->list_pos = i;

   232

		}

   233

		item->next = NULL;

   234

	}

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   236

	/**

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	 * Draw a single server line.

   238

	 * @param cur_item  the server to draw.

   239

	 * @param y         from where to draw?

   240

	 * @param highlight does the line need to be highlighted?

   241

	 */

   242

	void DrawServerLine(const NetworkGameList *cur_item, uint y, bool highlight)

   243

	{

   244

		/* show highlighted item with a different colour */

   245

		if (highlight) GfxFillRect(this->widget[NGWW_NAME].left + 1, y - 2, this->widget[NGWW_INFO].right - 1, y + 9, 10);

   246

   247

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

   248

		DrawStringTruncated(this->widget[NGWW_NAME].left + 5, y, STR_JUST_RAW_STRING, TC_BLACK, this->widget[NGWW_NAME].right - this->widget[NGWW_NAME].left - 5);

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   250

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

   251

		if (cur_item->online) {

   252

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

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

   254

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

   255

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

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

   257

   258

			/* map size */

   259

			if (!this->IsWidgetHidden(NGWW_MAPSIZE)) {

   260

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

   261

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

   262

				DrawStringCentered(this->widget[NGWW_MAPSIZE].left + 39, y, STR_NETWORK_MAP_SIZE_SHORT, TC_BLACK);

   263

			}

   264

   265

			/* current date */

   266

			if (!this->IsWidgetHidden(NGWW_DATE)) {

   267

				YearMonthDay ymd;

   268

				ConvertDateToYMD(cur_item->info.game_date, &ymd);

   269

				SetDParam(0, ymd.year);

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				DrawStringCentered(this->widget[NGWW_DATE].left + 29, y, STR_JUST_INT, TC_BLACK);

   271

			}

   272

   273

			/* number of years the game is running */

   274

			if (!this->IsWidgetHidden(NGWW_YEARS)) {

   275

				YearMonthDay ymd_cur, ymd_start;

   276

				ConvertDateToYMD(cur_item->info.game_date, &ymd_cur);

   277

				ConvertDateToYMD(cur_item->info.start_date, &ymd_start);

   278

				SetDParam(0, ymd_cur.year - ymd_start.year);

   279

				DrawStringCentered(this->widget[NGWW_YEARS].left + 29, y, STR_JUST_INT, TC_BLACK);

   280

			}

   281

   282

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

   283

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

   284

   285

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

   286

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

   287

   288

			/* draw flag according to server language */

   289

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

   290

		}

   291

	}

   292

   293

	/**

   294

	 * Scroll the list up or down to the currently selected server.

   295

	 * If the server is below the currently displayed servers, it will

   296

	 * scroll down an amount so that the server appears at the bottom.

   297

	 * If the server is above the currently displayed servers, it will

   298

	 * scroll up so that the server appears at the top.

   299

	 */

   300

	void ScrollToSelectedServer()

   301

	{

   302

		if (this->list_pos == SLP_INVALID) return; // no server selected

   303

		if (this->list_pos < this->vscroll.pos) {

   304

			/* scroll up to the server */

   305

			this->vscroll.pos = this->list_pos;

   306

		} else if (this->list_pos >= this->vscroll.pos + this->vscroll.cap) {

   307

			/* scroll down so that the server is at the bottom */

   308

			this->vscroll.pos = this->list_pos - this->vscroll.cap + 1;

   309

		}

   310

	}

   311

   312

public:

   313

	NetworkGameWindow(const WindowDesc *desc) : QueryStringBaseWindow(NETWORK_NAME_LENGTH, desc)

   314

	{

   315

		ttd_strlcpy(this->edit_str_buf, _settings_client.network.client_name, this->edit_str_size);

   316

		this->afilter = CS_ALPHANUMERAL;

   317

		InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 120);

   318

   319

		UpdateNetworkGameWindow(true);

   320

   321

		this->vscroll.cap = 11;

   322

		this->resize.step_height = NET_PRC__SIZE_OF_ROW;

   323

   324

		this->field = NGWW_CLIENT;

   325

		this->server = NULL;

   326

		this->list_pos = SLP_INVALID;

   327

   328

		this->servers.SetListing(this->last_sorting);

   329

		this->servers.SetSortFuncs(this->sorter_funcs);

   330

		this->servers.ForceRebuild();

   331

		this->SortNetworkGameList();

   332

   333

		this->FindWindowPlacementAndResize(desc);

   334

	}

   335

   336

	~NetworkGameWindow()

   337

	{

   338

		this->last_sorting = this->servers.GetListing();

   339

	}

   340

   341

	virtual void OnPaint()

   342

	{

   343

		const NetworkGameList *sel = this->server;

   344

		const SortButtonState arrow = this->servers.IsDescSortOrder() ? SBS_DOWN : SBS_UP;

   345

   346

		if (this->servers.NeedRebuild()) {

   347

			this->BuildNetworkGameList();

   348

			SetVScrollCount(this, this->servers.Length());

   349

		}

   350

		this->SortNetworkGameList();

   351

   352

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

   353

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

   354

		/* 'Join' button disabling conditions */

   355

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

   356

				!sel->online || // Server offline

   357

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

   358

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

   359

   360

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

   361

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

   362

				!sel->online ||

   363

				sel->info.grfconfig == NULL);

   364

   365

		SetDParam(0, 0x00);

   366

		SetDParam(1, _lan_internet_types_dropdown[_settings_client.network.lan_internet]);

   367

		this->DrawWidgets();

   368

   369

		/* Edit box to set client name */

   370

		this->DrawEditBox(NGWW_CLIENT);

   371

   372

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

   373

   374

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

   375

		switch (this->servers.SortType()) {

   376

			case NGWW_NAME    - NGWW_NAME: this->DrawSortButtonState(NGWW_NAME,    arrow); break;

   377

			case NGWW_CLIENTS - NGWW_NAME: this->DrawSortButtonState(NGWW_CLIENTS, arrow); break;

   378

			case NGWW_MAPSIZE - NGWW_NAME: if (!this->IsWidgetHidden(NGWW_MAPSIZE)) this->DrawSortButtonState(NGWW_MAPSIZE, arrow); break;

   379

			case NGWW_DATE    - NGWW_NAME: if (!this->IsWidgetHidden(NGWW_DATE))    this->DrawSortButtonState(NGWW_DATE,    arrow); break;

   380

			case NGWW_YEARS   - NGWW_NAME: if (!this->IsWidgetHidden(NGWW_YEARS))   this->DrawSortButtonState(NGWW_YEARS,   arrow); break;

   381

			case NGWW_INFO    - NGWW_NAME: this->DrawSortButtonState(NGWW_INFO,    arrow); break;

   382

		}

   383

   384

		uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

   385

   386

		const int max = min(this->vscroll.pos + this->vscroll.cap, (int)this->servers.Length());

   387

   388

		for (int i = this->vscroll.pos; i < max; ++i) {

   389

			const NetworkGameList *ngl = this->servers[i];

   390

			this->DrawServerLine(ngl, y, ngl == sel);

   391

			y += NET_PRC__SIZE_OF_ROW;

   392

		}

   393

   394

		const NetworkGameList *last_joined = NetworkGameListAddItem(inet_addr(_settings_client.network.last_host), _settings_client.network.last_port);

   395

		/* Draw the last joined server, if any */

   396

		if (last_joined != NULL) this->DrawServerLine(last_joined, y = this->widget[NGWW_LASTJOINED].top + 3, last_joined == sel);

   397

   398

		/* Draw the right menu */

   399

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

   400

		if (sel == NULL) {

   401

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

   402

		} else if (!sel->online) {

   403

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

   404

			DrawStringCentered(this->widget[NGWW_DETAILS].left + 115, 68, STR_JUST_RAW_STRING, TC_ORANGE); // game name

   405

   406

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

   407

		} else { // show game info

   408

			uint16 y = 100;

   409

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

   410

   411

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

   412

   413

   414

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

   415

			DrawStringCenteredTruncated(this->widget[NGWW_DETAILS].left, this->widget[NGWW_DETAILS].right, 62, STR_JUST_RAW_STRING, TC_ORANGE); // game name

   416

   417

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

   418

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

   419

   420

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

   421

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

   422

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

   423

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

   424

			DrawString(x, y, STR_NETWORK_CLIENTS, TC_GOLD);

   425

			y += 10;

   426

   427

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

   428

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

   429

			y += 10;

   430

   431

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

   432

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

   433

			y += 10;

   434

   435

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

   436

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

   437

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

   438

			y += 10;

   439

   440

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

   441

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

   442

			y += 10;

   443

   444

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

   445

			SetDParam(1, sel->port);

   446

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

   447

			y += 10;

   448

   449

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

   450

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

   451

			y += 10;

   452

   453

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

   454

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

   455

			y += 10;

   456

   457

			y += 2;

   458

   459

			if (!sel->info.compatible) {

   460

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

   461

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

   462

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

   463

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

   464

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

   465

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

   466

			}

   467

   468

			y += 10;

   469

		}

   470

	}

   471

   472

	virtual void OnClick(Point pt, int widget)

   473

	{

   474

		this->field = widget;

   475

		switch (widget) {

   476

			case NGWW_CLIENT:

   477

				ShowOnScreenKeyboard(this, NGWW_CLIENT, 0, 0);

   478

				break;

   479

   480

			case NGWW_CANCEL: // Cancel button

   481

				DeleteWindowById(WC_NETWORK_WINDOW, 0);

   482

				break;

   483

   484

			case NGWW_CONN_BTN: // 'Connection' droplist

   485

				ShowDropDownMenu(this, _lan_internet_types_dropdown, _settings_client.network.lan_internet, NGWW_CONN_BTN, 0, 0); // do it for widget NSSW_CONN_BTN

   486