1

/* $Id$ */

     2

     3

#include "../stdafx.h"

     4

     5

#ifdef ENABLE_NETWORK

     6

     7

#include "../openttd.h"

     8

#include "../debug.h"

     9

#include "../functions.h"

    10

#include "../gfx.h"

    11

#include "../network/network.h"

    12

#include "../window.h"

    13

#include "../console.h"

    14

#include "../variables.h"

    15

#include "../genworld.h"

    16

#include "../fileio.h"

    17

#include "../blitter/factory.hpp"

    18

#include "dedicated_v.h"

    19

    20

#ifdef BEOS_NET_SERVER

    21

#include <net/socket.h>

    22

#endif

    23

    24

#ifdef __OS2__

    25

#	include <sys/time.h> /* gettimeofday */

    26

#	include <sys/types.h>

    27

#	include <unistd.h>

    28

#	include <conio.h>

    29

    30

#	define INCL_DOS

    31

#	include <os2.h>

    32

    33

#	define STDIN 0  /* file descriptor for standard input */

    34

    35

/**

    36

 * Switches OpenTTD to a console app at run-time, instead of a PM app

    37

 * Necessary to see stdout, etc. */

    38

static void OS2_SwitchToConsoleMode()

    39

{

    40

	PPIB pib;

    41

	PTIB tib;

    42

    43

	DosGetInfoBlocks(&tib, &pib);

    44

    45

	// Change flag from PM to VIO

    46

	pib->pib_ultype = 3;

    47

}

    48

#endif

    49

    50

#if defined(UNIX) || defined(PSP)

    51

#	include <sys/time.h> /* gettimeofday */

    52

#	include <sys/types.h>

    53

#	include <unistd.h>

    54

#	include <signal.h>

    55

#	define STDIN 0  /* file descriptor for standard input */

    56

#	if defined(PSP)

    57

#		include <sys/fd_set.h>

    58

#		include <sys/select.h>

    59

#	endif /* PSP */

    60

    61

/* Signal handlers */

    62

static void DedicatedSignalHandler(int sig)

    63

{

    64

	_exit_game = true;

    65

	signal(sig, DedicatedSignalHandler);

    66

}

    67

#endif

    68

    69

#if defined(WIN32)

    70

# include <windows.h> /* GetTickCount */

    71

# if !defined(WINCE)

    72

#  include <conio.h>

    73

# endif

    74

# include <time.h>

    75

# include <tchar.h>

    76

static HANDLE _hInputReady, _hWaitForInputHandling;

    77

static HANDLE _hThread; // Thread to close

    78

static char _win_console_thread_buffer[200];

    79

    80

/* Windows Console thread. Just loop and signal when input has been received */

    81

static void WINAPI CheckForConsoleInput()

    82

{

    83

#if defined(WINCE)

    84

	/* WinCE doesn't support console stuff */

    85

	return;

    86

#else

    87

	DWORD nb;

    88

	HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);

    89

	while (true) {

    90

		ReadFile(hStdin, _win_console_thread_buffer, lengthof(_win_console_thread_buffer), &nb, NULL);

    91

		/* Signal input waiting that input is read and wait for it being handled

    92

		 * SignalObjectAndWait() should be used here, but it's unsupported in Win98< */

    93

		SetEvent(_hInputReady);

    94

		WaitForSingleObject(_hWaitForInputHandling, INFINITE);

    95

	}

    96

#endif

    97

}

    98

    99

static void CreateWindowsConsoleThread()

   100

{

   101

	DWORD dwThreadId;

   102

	/* Create event to signal when console input is ready */

   103

	_hInputReady = CreateEvent(NULL, false, false, NULL);

   104

	_hWaitForInputHandling = CreateEvent(NULL, false, false, NULL);

   105

	if (_hInputReady == NULL || _hWaitForInputHandling == NULL) error("Cannot create console event!");

   106

   107

	_hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CheckForConsoleInput, NULL, 0, &dwThreadId);

   108

	if (_hThread == NULL) error("Cannot create console thread!");

   109

   110

	DEBUG(driver, 2, "Windows console thread started");

   111

}

   112

   113

static void CloseWindowsConsoleThread()

   114

{

   115

	CloseHandle(_hThread);

   116

	CloseHandle(_hInputReady);

   117

	CloseHandle(_hWaitForInputHandling);

   118

	DEBUG(driver, 2, "Windows console thread shut down");

   119

}

   120

   121

#endif

   122

   123

   124

static void *_dedicated_video_mem;

   125

   126

extern bool SafeSaveOrLoad(const char *filename, int mode, int newgm, Subdirectory subdir);

   127

extern void SwitchMode(int new_mode);

   128

   129

static FVideoDriver_Dedicated iFVideoDriver_Dedicated;

   130

   131

   132

const char *VideoDriver_Dedicated::Start(const char * const *parm)

   133

{

   134

	int bpp = BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth();

   135

	if (bpp == 0) _dedicated_video_mem = NULL;

   136

	else          _dedicated_video_mem = malloc(_cur_resolution[0] * _cur_resolution[1] * (bpp / 8));

   137

   138

	_screen.width = _screen.pitch = _cur_resolution[0];

   139

	_screen.height = _cur_resolution[1];

   140

   141

	SetDebugString("net=6");

   142

   143

#if defined(WINCE)

   144

	/* WinCE doesn't support console stuff */

   145

#elif defined(WIN32)

   146

	// For win32 we need to allocate a console (debug mode does the same)

   147

	CreateConsole();

   148

	CreateWindowsConsoleThread();

   149

	SetConsoleTitle(_T("OpenTTD Dedicated Server"));

   150

#endif

   151

   152

#ifdef __OS2__

   153

	// For OS/2 we also need to switch to console mode instead of PM mode

   154

	OS2_SwitchToConsoleMode();

   155

#endif

   156

   157

	DEBUG(driver, 1, "Loading dedicated server");

   158

	return NULL;

   159

}

   160

   161

void VideoDriver_Dedicated::Stop()

   162

{

   163

#ifdef WIN32

   164

	CloseWindowsConsoleThread();

   165

#endif

   166

	free(_dedicated_video_mem);

   167

}

   168

   169

void VideoDriver_Dedicated::MakeDirty(int left, int top, int width, int height) {}

   170

bool VideoDriver_Dedicated::ChangeResolution(int w, int h) { return false; }

   171

void VideoDriver_Dedicated::ToggleFullscreen(bool fs) {}

   172

   173

#if defined(UNIX) || defined(__OS2__) || defined(PSP)

   174

static bool InputWaiting()

   175

{

   176

	struct timeval tv;

   177

	fd_set readfds;

   178

   179

	tv.tv_sec = 0;

   180

	tv.tv_usec = 1;

   181

   182

	FD_ZERO(&readfds);

   183

	FD_SET(STDIN, &readfds);

   184

   185

	/* don't care about writefds and exceptfds: */

   186

	return select(STDIN + 1, &readfds, NULL, NULL, &tv) > 0;

   187

}

   188

   189

static uint32 GetTime()

   190

{

   191

	struct timeval tim;

   192

   193

	gettimeofday(&tim, NULL);

   194

	return tim.tv_usec / 1000 + tim.tv_sec * 1000;

   195

}

   196

   197

#else

   198

   199

static bool InputWaiting()

   200

{

   201

	return WaitForSingleObject(_hInputReady, 1) == WAIT_OBJECT_0;

   202

}

   203

   204

static uint32 GetTime()

   205

{

   206

	return GetTickCount();

   207

}

   208

   209

#endif

   210

   211

static void DedicatedHandleKeyInput()

   212

{

   213

	static char input_line[200] = "";

   214

   215

	if (!InputWaiting()) return;

   216

   217

	if (_exit_game) return;

   218

   219

#if defined(UNIX) || defined(__OS2__) || defined(PSP)

   220

	if (fgets(input_line, lengthof(input_line), stdin) == NULL) return;

   221

#else

   222

	/* Handle console input, and singal console thread, it can accept input again */

   223

	strncpy(input_line, _win_console_thread_buffer, lengthof(input_line));

   224

	SetEvent(_hWaitForInputHandling);

   225

#endif

   226

   227

	/* XXX - strtok() does not 'forget' \n\r if it is the first character! */

   228

	strtok(input_line, "\r\n"); // Forget about the final \n (or \r)

   229

	{ /* Remove any special control characters */

   230

		uint i;

   231

		for (i = 0; i < lengthof(input_line); i++) {

   232

			if (input_line[i] == '\n' || input_line[i] == '\r') // cut missed beginning '\0'

   233

				input_line[i] = '\0';

   234

   235

			if (input_line[i] == '\0')

   236

				break;

   237

   238

			if (!IS_INT_INSIDE(input_line[i], ' ', 256))

   239

				input_line[i] = ' ';

   240

		}

   241

	}

   242

   243

	IConsoleCmdExec(input_line); // execute command

   244

}

   245

   246

void VideoDriver_Dedicated::MainLoop()

   247

{

   248

	uint32 cur_ticks = GetTime();

   249

	uint32 next_tick = cur_ticks + 30;

   250

   251

	/* Signal handlers */

   252

#if defined(UNIX) || defined(PSP)

   253

	signal(SIGTERM, DedicatedSignalHandler);

   254

	signal(SIGINT, DedicatedSignalHandler);

   255

	signal(SIGQUIT, DedicatedSignalHandler);

   256

#endif

   257

   258

	// Load the dedicated server stuff

   259

	_is_network_server = true;

   260

	_network_dedicated = true;

   261

	_network_playas = PLAYER_SPECTATOR;

   262

	_local_player = PLAYER_SPECTATOR;

   263

   264

	/* If SwitchMode is SM_LOAD, it means that the user used the '-g' options */

   265

	if (_switch_mode != SM_LOAD) {

   266

		StartNewGameWithoutGUI(GENERATE_NEW_SEED);

   267

		SwitchMode(_switch_mode);

   268

		_switch_mode = SM_NONE;

   269

	} else {

   270

		_switch_mode = SM_NONE;

   271

		/* First we need to test if the savegame can be loaded, else we will end up playing the

   272

		 *  intro game... */

   273

		if (!SafeSaveOrLoad(_file_to_saveload.name, _file_to_saveload.mode, GM_NORMAL, BASE_DIR)) {

   274

			/* Loading failed, pop out.. */

   275

			DEBUG(net, 0, "Loading requested map failed, aborting");

   276

			_networking = false;

   277

		} else {

   278

			/* We can load this game, so go ahead */

   279

			SwitchMode(SM_LOAD);

   280

		}

   281

	}

   282

   283

	// Done loading, start game!

   284

   285

	if (!_networking) {

   286

		DEBUG(net, 0, "Dedicated server could not be started, aborting");

   287

		return;

   288

	}

   289

   290

	while (!_exit_game) {

   291

		uint32 prev_cur_ticks = cur_ticks; // to check for wrapping

   292

		InteractiveRandom(); // randomness

   293

   294

		if (!_dedicated_forks)

   295

			DedicatedHandleKeyInput();

   296

   297

		cur_ticks = GetTime();

   298

		if (cur_ticks >= next_tick || cur_ticks < prev_cur_ticks) {

   299

			next_tick = cur_ticks + 30;

   300

   301

			GameLoop();

   302

			_screen.dst_ptr = _dedicated_video_mem;

   303

			UpdateWindows();

   304

		}

   305

		CSleep(1);

   306

	}

   307

}

   308

   309

#endif /* ENABLE_NETWORK */