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/* $Id$ */

     2

     3

/** @file console.cpp */

     4

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#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "table/strings.h"

     8

#include "functions.h"

     9

#include "window.h"

    10

#include "gui.h"

    11

#include "gfx.h"

    12

#include "player.h"

    13

#include "variables.h"

    14

#include "string.h"

    15

#include <stdarg.h>

    16

#include <string.h>

    17

#include "console.h"

    18

#include "helpers.hpp"

    19

#include "network/network.h"

    20

#include "network/network_data.h"

    21

#include "network/network_server.h"

    22

    23

#define ICON_BUFFER 79

    24

#define ICON_HISTORY_SIZE 20

    25

#define ICON_LINE_HEIGHT 12

    26

#define ICON_RIGHT_BORDERWIDTH 10

    27

#define ICON_BOTTOM_BORDERWIDTH 12

    28

#define ICON_MAX_ALIAS_LINES 40

    29

#define ICON_TOKEN_COUNT 20

    30

    31

/* ** main console ** */

    32

static char *_iconsole_buffer[ICON_BUFFER + 1];

    33

static uint16 _iconsole_cbuffer[ICON_BUFFER + 1];

    34

static Textbuf _iconsole_cmdline;

    35

    36

/* ** stdlib ** */

    37

byte _stdlib_developer = 1;

    38

bool _stdlib_con_developer = false;

    39

FILE *_iconsole_output_file;

    40

    41

/* ** main console cmd buffer ** */

    42

static char *_iconsole_history[ICON_HISTORY_SIZE];

    43

static byte _iconsole_historypos;

    44

    45

/* *************** *

    46

 *  end of header  *

    47

 * *************** */

    48

    49

static void IConsoleClearCommand()

    50

{

    51

	memset(_iconsole_cmdline.buf, 0, ICON_CMDLN_SIZE);

    52

	_iconsole_cmdline.length = 0;

    53

	_iconsole_cmdline.width = 0;

    54

	_iconsole_cmdline.caretpos = 0;

    55

	_iconsole_cmdline.caretxoffs = 0;

    56

	SetWindowDirty(FindWindowById(WC_CONSOLE, 0));

    57

}

    58

    59

static inline void IConsoleResetHistoryPos() {_iconsole_historypos = ICON_HISTORY_SIZE - 1;}

    60

    61

    62

static void IConsoleHistoryAdd(const char *cmd);

    63

static void IConsoleHistoryNavigate(int direction);

    64

    65

/* ** console window ** */

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

    67

{

    68

	static byte iconsole_scroll = ICON_BUFFER;

    69

    70

	switch (e->event) {

    71

		case WE_PAINT: {

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			int i = iconsole_scroll;

    73

			int max = (w->height / ICON_LINE_HEIGHT) - 1;

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			int delta = 0;

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			GfxFillRect(w->left, w->top, w->width, w->height - 1, 0);

    76

			while ((i > 0) && (i > iconsole_scroll - max) && (_iconsole_buffer[i] != NULL)) {

    77

				DoDrawString(_iconsole_buffer[i], 5,

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					w->height - (iconsole_scroll + 2 - i) * ICON_LINE_HEIGHT, _iconsole_cbuffer[i]);

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				i--;

    80

			}

    81

			/* If the text is longer than the window, don't show the starting ']' */

    82

			delta = w->width - 10 - _iconsole_cmdline.width - ICON_RIGHT_BORDERWIDTH;

    83

			if (delta > 0) {

    84

				DoDrawString("]", 5, w->height - ICON_LINE_HEIGHT, _icolour_cmd);

    85

				delta = 0;

    86

			}

    87

    88

			DoDrawString(_iconsole_cmdline.buf, 10 + delta, w->height - ICON_LINE_HEIGHT, _icolour_cmd);

    89

    90

			if (_iconsole_cmdline.caret)

    91

				DoDrawString("_", 10 + delta + _iconsole_cmdline.caretxoffs, w->height - ICON_LINE_HEIGHT, 12);

    92

			break;

    93

		}

    94

		case WE_MOUSELOOP:

    95

			if (HandleCaret(&_iconsole_cmdline))

    96

				SetWindowDirty(w);

    97

			break;

    98

		case WE_DESTROY:

    99

			_iconsole_mode = ICONSOLE_CLOSED;

   100

			break;

   101

		case WE_KEYPRESS:

   102

			e->we.keypress.cont = false;

   103

			switch (e->we.keypress.keycode) {

   104

				case WKC_UP:

   105

					IConsoleHistoryNavigate(+1);

   106

					SetWindowDirty(w);

   107

					break;

   108

				case WKC_DOWN:

   109

					IConsoleHistoryNavigate(-1);

   110

					SetWindowDirty(w);

   111

					break;

   112

				case WKC_SHIFT | WKC_PAGEUP:

   113

					if (iconsole_scroll - (w->height / ICON_LINE_HEIGHT) - 1 < 0) {

   114

						iconsole_scroll = 0;

   115

					} else {

   116

						iconsole_scroll -= (w->height / ICON_LINE_HEIGHT) - 1;

   117

					}

   118

					SetWindowDirty(w);

   119

					break;

   120

				case WKC_SHIFT | WKC_PAGEDOWN:

   121

					if (iconsole_scroll + (w->height / ICON_LINE_HEIGHT) - 1 > ICON_BUFFER) {

   122

						iconsole_scroll = ICON_BUFFER;

   123

					} else {

   124

						iconsole_scroll += (w->height / ICON_LINE_HEIGHT) - 1;

   125

					}

   126

					SetWindowDirty(w);

   127

					break;

   128

				case WKC_SHIFT | WKC_UP:

   129

					if (iconsole_scroll <= 0) {

   130

						iconsole_scroll = 0;

   131

					} else {

   132

						--iconsole_scroll;

   133

					}

   134

					SetWindowDirty(w);

   135

					break;

   136

				case WKC_SHIFT | WKC_DOWN:

   137

					if (iconsole_scroll >= ICON_BUFFER) {

   138

						iconsole_scroll = ICON_BUFFER;

   139

					} else {

   140

						++iconsole_scroll;

   141

					}

   142

					SetWindowDirty(w);

   143

					break;

   144

				case WKC_BACKQUOTE:

   145

					IConsoleSwitch();

   146

					break;

   147

				case WKC_RETURN: case WKC_NUM_ENTER:

   148

					IConsolePrintF(_icolour_cmd, "] %s", _iconsole_cmdline.buf);

   149

					IConsoleHistoryAdd(_iconsole_cmdline.buf);

   150

   151

					IConsoleCmdExec(_iconsole_cmdline.buf);

   152

					IConsoleClearCommand();

   153

					break;

   154

				case WKC_CTRL | WKC_RETURN:

   155

					_iconsole_mode = (_iconsole_mode == ICONSOLE_FULL) ? ICONSOLE_OPENED : ICONSOLE_FULL;

   156

					IConsoleResize(w);

   157

					MarkWholeScreenDirty();

   158

					break;

   159

				case (WKC_CTRL | 'V'):

   160

					if (InsertTextBufferClipboard(&_iconsole_cmdline)) {

   161

						IConsoleResetHistoryPos();

   162

						SetWindowDirty(w);

   163

					}

   164

					break;

   165

				case (WKC_CTRL | 'L'):

   166

					IConsoleCmdExec("clear");

   167

					break;

   168

				case (WKC_CTRL | 'U'):

   169

					DeleteTextBufferAll(&_iconsole_cmdline);

   170

					SetWindowDirty(w);

   171

					break;

   172

				case WKC_BACKSPACE: case WKC_DELETE:

   173

					if (DeleteTextBufferChar(&_iconsole_cmdline, e->we.keypress.keycode)) {

   174

						IConsoleResetHistoryPos();

   175

						SetWindowDirty(w);

   176

					}

   177

					break;

   178

				case WKC_LEFT: case WKC_RIGHT: case WKC_END: case WKC_HOME:

   179

					if (MoveTextBufferPos(&_iconsole_cmdline, e->we.keypress.keycode)) {

   180

						IConsoleResetHistoryPos();

   181

						SetWindowDirty(w);

   182

					}

   183

					break;

   184

				default:

   185

					if (IsValidChar(e->we.keypress.key, CS_ALPHANUMERAL)) {

   186

						iconsole_scroll = ICON_BUFFER;

   187

						InsertTextBufferChar(&_iconsole_cmdline, e->we.keypress.key);

   188

						IConsoleResetHistoryPos();

   189

						SetWindowDirty(w);

   190

					} else {

   191

						e->we.keypress.cont = true;

   192

					}

   193

			break;

   194

		}

   195

	}

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}

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   198

static const Widget _iconsole_window_widgets[] = {

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	{WIDGETS_END}

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};

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   202

static const WindowDesc _iconsole_window_desc = {

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	WC_CONSOLE, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

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	_iconsole_window_widgets,

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	IConsoleWndProc,

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};

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   210

void IConsoleInit()

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{

   212

	extern const char _openttd_revision[];

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	_iconsole_output_file = NULL;

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	_icolour_def  =  1;

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	_icolour_err  =  3;

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	_icolour_warn = 13;

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	_icolour_dbg  =  5;

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	_icolour_cmd  =  2;

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	_iconsole_historypos = ICON_HISTORY_SIZE - 1;

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	_iconsole_mode = ICONSOLE_CLOSED;

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   222

#ifdef ENABLE_NETWORK /* Initialize network only variables */

   223

	_redirect_console_to_client = 0;

   224

#endif

   225

   226

	memset(_iconsole_history, 0, sizeof(_iconsole_history));

   227

	memset(_iconsole_buffer, 0, sizeof(_iconsole_buffer));

   228

	memset(_iconsole_cbuffer, 0, sizeof(_iconsole_cbuffer));

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	_iconsole_cmdline.buf = CallocT<char>(ICON_CMDLN_SIZE); // create buffer and zero it

   230

	_iconsole_cmdline.maxlength = ICON_CMDLN_SIZE;

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   232

	IConsolePrintF(13, "OpenTTD Game Console Revision 7 - %s", _openttd_revision);

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	IConsolePrint(12,  "------------------------------------");

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	IConsolePrint(12,  "use \"help\" for more information");

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	IConsolePrint(12,  "");

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	IConsoleStdLibRegister();

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	IConsoleClearCommand();

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	IConsoleHistoryAdd("");

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}

   240

   241

void IConsoleClearBuffer()

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{

   243

	uint i;

   244

	for (i = 0; i <= ICON_BUFFER; i++) {

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		free(_iconsole_buffer[i]);

   246

		_iconsole_buffer[i] = NULL;

   247

	}

   248

}

   249

   250

static void IConsoleClear()

   251

{

   252

	free(_iconsole_cmdline.buf);

   253

	IConsoleClearBuffer();

   254

}

   255

   256

static void IConsoleWriteToLogFile(const char *string)

   257

{

   258

	if (_iconsole_output_file != NULL) {

   259

		/* if there is an console output file ... also print it there */

   260

		fwrite(string, strlen(string), 1, _iconsole_output_file);

   261

		fwrite("\n", 1, 1, _iconsole_output_file);

   262

	}

   263

}

   264

   265

bool CloseConsoleLogIfActive()

   266

{

   267

	if (_iconsole_output_file != NULL) {

   268

		IConsolePrintF(_icolour_def, "file output complete");

   269

		fclose(_iconsole_output_file);

   270

		_iconsole_output_file = NULL;

   271

		return true;

   272

	}

   273

   274

	return false;

   275

}

   276

   277

void IConsoleFree()

   278

{

   279

	IConsoleClear();

   280

	CloseConsoleLogIfActive();

   281

}

   282

   283

void IConsoleResize(Window *w)

   284

{

   285

	switch (_iconsole_mode) {

   286

		case ICONSOLE_OPENED:

   287

			w->height = _screen.height / 3;

   288

			w->width = _screen.width;

   289

			break;

   290

		case ICONSOLE_FULL:

   291

			w->height = _screen.height - ICON_BOTTOM_BORDERWIDTH;

   292

			w->width = _screen.width;

   293

			break;

   294

		default: return;

   295

	}

   296

   297

	MarkWholeScreenDirty();

   298

}

   299

   300

void IConsoleSwitch()

   301

{

   302

	switch (_iconsole_mode) {

   303

		case ICONSOLE_CLOSED: {

   304

			Window *w = AllocateWindowDesc(&_iconsole_window_desc);

   305

			w->height = _screen.height / 3;

   306

			w->width = _screen.width;

   307

			_iconsole_mode = ICONSOLE_OPENED;

   308

			SETBIT(_no_scroll, SCROLL_CON); // override cursor arrows; the gamefield will not scroll

   309

		} break;

   310

		case ICONSOLE_OPENED: case ICONSOLE_FULL:

   311

			DeleteWindowById(WC_CONSOLE, 0);

   312

			_iconsole_mode = ICONSOLE_CLOSED;

   313

			CLRBIT(_no_scroll, SCROLL_CON);

   314

			break;

   315

	}

   316

   317

	MarkWholeScreenDirty();

   318

}

   319

   320

void IConsoleClose() {if (_iconsole_mode == ICONSOLE_OPENED) IConsoleSwitch();}

   321

void IConsoleOpen()  {if (_iconsole_mode == ICONSOLE_CLOSED) IConsoleSwitch();}

   322

   323

/**

   324

 * Add the entered line into the history so you can look it back

   325

 * scroll, etc. Put it to the beginning as it is the latest text

   326

 * @param cmd Text to be entered into the 'history'

   327

 */

   328

static void IConsoleHistoryAdd(const char *cmd)

   329

{

   330

	free(_iconsole_history[ICON_HISTORY_SIZE - 1]);

   331

   332

	memmove(&_iconsole_history[1], &_iconsole_history[0], sizeof(_iconsole_history[0]) * (ICON_HISTORY_SIZE - 1));

   333

	_iconsole_history[0] = strdup(cmd);

   334

	IConsoleResetHistoryPos();

   335

}

   336

   337

/**

   338

 * Navigate Up/Down in the history of typed commands

   339

 * @param direction Go further back in history (+1), go to recently typed commands (-1)

   340

 */

   341

static void IConsoleHistoryNavigate(int direction)

   342

{

   343

	int i = _iconsole_historypos + direction;

   344

   345

	/* watch out for overflows, just wrap around */

   346

	if (i < 0) i = ICON_HISTORY_SIZE - 1;

   347

	if (i >= ICON_HISTORY_SIZE) i = 0;

   348

   349

	if (direction > 0)

   350

		if (_iconsole_history[i] == NULL) i = 0;

   351

   352

	if (direction < 0) {

   353

		while (i > 0 && _iconsole_history[i] == NULL) i--;

   354

	}

   355

   356

	_iconsole_historypos = i;

   357

	IConsoleClearCommand();

   358

	/* copy history to 'command prompt / bash' */

   359

	assert(_iconsole_history[i] != NULL && IS_INT_INSIDE(i, 0, ICON_HISTORY_SIZE));

   360

	ttd_strlcpy(_iconsole_cmdline.buf, _iconsole_history[i], _iconsole_cmdline.maxlength);

   361

	UpdateTextBufferSize(&_iconsole_cmdline);

   362

}

   363

   364

/**

   365

 * Handle the printing of text entered into the console or redirected there

   366

 * by any other means. Text can be redirected to other players in a network game

   367

 * as well as to a logfile. If the network server is a dedicated server, all activities

   368

 * are also logged. All lines to print are added to a temporary buffer which can be

   369

 * used as a history to print them onscreen

   370

 * @param color_code the colour of the command. Red in case of errors, etc.

   371

 * @param string the message entered or output on the console (notice, error, etc.)

   372

 */

   373

void IConsolePrint(uint16 color_code, const char *string)

   374

{

   375

	char *str;

   376

#ifdef ENABLE_NETWORK

   377

	if (_redirect_console_to_client != 0) {

   378

		/* Redirect the string to the client */

   379

		SEND_COMMAND(PACKET_SERVER_RCON)(NetworkFindClientStateFromIndex(_redirect_console_to_client), color_code, string);

   380

		return;

   381

	}

   382

#endif

   383

   384

	/* Create a copy of the string, strip if of colours and invalid

   385

	 * characters and (when applicable) assign it to the console buffer */

   386

	str = strdup(string);

   387

	str_strip_colours(str);

   388

	str_validate(str);

   389

   390

	if (_network_dedicated) {

   391

		fprintf(stdout, "%s\n", str);

   392

		fflush(stdout);

   393

		IConsoleWriteToLogFile(str);

   394

		free(str); // free duplicated string since it's not used anymore

   395

		return;

   396

	}

   397

   398

	/* move up all the strings in the buffer one place and do the same for colour

   399

	 * to accomodate for the new command/message */

   400

	free(_iconsole_buffer[0]);

   401

	memmove(&_iconsole_buffer[0], &_iconsole_buffer[1], sizeof(_iconsole_buffer[0]) * ICON_BUFFER);

   402

	_iconsole_buffer[ICON_BUFFER] = str;

   403

   404

	memmove(&_iconsole_cbuffer[0], &_iconsole_cbuffer[1], sizeof(_iconsole_cbuffer[0]) * ICON_BUFFER);

   405

	_iconsole_cbuffer[ICON_BUFFER] = color_code;

   406

   407

	IConsoleWriteToLogFile(_iconsole_buffer[ICON_BUFFER]);

   408

   409

	SetWindowDirty(FindWindowById(WC_CONSOLE, 0));

   410

}

   411

   412

/**

   413

 * Handle the printing of text entered into the console or redirected there

   414

 * by any other means. Uses printf() style format, for more information look

   415

 * at IConsolePrint()

   416

 */

   417

void CDECL IConsolePrintF(uint16 color_code, const char *s, ...)

   418

{

   419

	va_list va;

   420

	char buf[ICON_MAX_STREAMSIZE];

   421

   422

	va_start(va, s);

   423

	vsnprintf(buf, sizeof(buf), s, va);

   424

	va_end(va);

   425

   426

	IConsolePrint(color_code, buf);

   427

}

   428

   429

/**

   430

 * It is possible to print debugging information to the console,

   431

 * which is achieved by using this function. Can only be used by

   432

 * debug() in debug.cpp. You need at least a level 2 (developer) for debugging

   433

 * messages to show up

   434

 * @param dbg debugging category

   435

 * @param string debugging message

   436

 */

   437

void IConsoleDebug(const char *dbg, const char *string)

   438

{

   439

	if (_stdlib_developer > 1)

   440

		IConsolePrintF(_icolour_dbg, "dbg: [%s] %s", dbg, string);

   441

}

   442

   443

/**

   444

 * It is possible to print warnings to the console. These are mostly

   445

 * errors or mishaps, but non-fatal. You need at least a level 1 (developer) for

   446

 * debugging messages to show up

   447

 */

   448

void IConsoleWarning(const char *string)

   449

{

   450

	if (_stdlib_developer > 0)

   451

		IConsolePrintF(_icolour_warn, "WARNING: %s", string);

   452

}

   453

   454

/**

   455

 * It is possible to print error information to the console. This can include

   456

 * game errors, or errors in general you would want the user to notice

   457

 */

   458

void IConsoleError(const char *string)

   459

{

   460

	IConsolePrintF(_icolour_err, "ERROR: %s", string);

   461

}

   462

   463

/**

   464

 * Change a string into its number representation. Supports

   465

 * decimal and hexadecimal numbers as well as 'on'/'off' 'true'/'false'

   467

 * @param *arg the string to be converted

   468

 * @return Return true on success or false on failure

   469

 */

   470

bool GetArgumentInteger(uint32 *value, const char *arg)

   471

{

   472

	char *endptr;

   473

   474

	if (strcmp(arg, "on") == 0 || strcmp(arg, "true") == 0) {

   475

		*value = 1;

   476

		return true;

   477

	}

   478

	if (strcmp(arg, "off") == 0 || strcmp(arg, "false") == 0) {