cmdlib.c

来自「quake3工具源码。包括生成bsp文件」· C语言 代码 · 共 1,181 行 · 第 1/2 页

// cmdlib.c

#include "cmdlib.h"
#include <sys/types.h>
#include <sys/stat.h>

#ifdef WIN32
#include <direct.h>
#include <windows.h>
#endif

#ifdef NeXT
#include <libc.h>
#endif

#define	BASEDIRNAME	"quake"		// assumed to have a 2 or 3 following
#define PATHSEPERATOR   '/'

// set these before calling CheckParm
int myargc;
char **myargv;

char		com_token[1024];
qboolean	com_eof;

qboolean		archive;
char			archivedir[1024];


/*
===================
ExpandWildcards

Mimic unix command line expansion
===================
*/
#define	MAX_EX_ARGC	1024
int		ex_argc;
char	*ex_argv[MAX_EX_ARGC];
#ifdef _WIN32
#include "io.h"
void ExpandWildcards( int *argc, char ***argv )
{
	struct _finddata_t fileinfo;
	int		handle;
	int		i;
	char	filename[1024];
	char	filebase[1024];
	char	*path;

	ex_argc = 0;
	for (i=0 ; i<*argc ; i++)
	{
		path = (*argv)[i];
		if ( path[0] == '-'
			|| ( !strstr(path, "*") && !strstr(path, "?") ) )
		{
			ex_argv[ex_argc++] = path;
			continue;
		}

		handle = _findfirst (path, &fileinfo);
		if (handle == -1)
			return;

		ExtractFilePath (path, filebase);

		do
		{
			sprintf (filename, "%s%s", filebase, fileinfo.name);
			ex_argv[ex_argc++] = copystring (filename);
		} while (_findnext( handle, &fileinfo ) != -1);

		_findclose (handle);
	}

	*argc = ex_argc;
	*argv = ex_argv;
}
#else
void ExpandWildcards (int *argc, char ***argv)
{
}
#endif

#ifdef WIN_ERROR
#include <windows.h>
/*
=================
Error

For abnormal program terminations in windowed apps
=================
*/
void Error( const char *error, ... )
{
	va_list argptr;
	char	text[1024];
	char	text2[1024];
	int		err;

	err = GetLastError ();

	va_start (argptr,error);
	vsprintf (text, error,argptr);
	va_end (argptr);

	sprintf (text2, "%s\nGetLastError() = %i", text, err);
    MessageBox(NULL, text2, "Error", 0 /* MB_OK */ );

	exit (1);
}

#else
/*
=================
Error

For abnormal program terminations in console apps
=================
*/
void Error( const char *error, ...)
{
	va_list argptr;

	_printf ("\n************ ERROR ************\n");

	va_start (argptr,error);
	vprintf (error,argptr);
	va_end (argptr);
	_printf ("\r\n");

	exit (1);
}
#endif

// only printf if in verbose mode
qboolean verbose = qfalse;
void qprintf( const char *format, ... ) {
	va_list argptr;

	if (!verbose)
		return;

	va_start (argptr,format);
	vprintf (format,argptr);
	va_end (argptr);

}

#ifdef WIN32
HWND hwndOut = NULL;
qboolean lookedForServer = qfalse;
UINT wm_BroadcastCommand = -1;
#endif

void _printf( const char *format, ... ) {
	va_list argptr;
  char text[4096];
  ATOM a;

	va_start (argptr,format);
	vsprintf (text, format, argptr);
	va_end (argptr);

  printf(text);

#ifdef WIN32
  if (!lookedForServer) {
    lookedForServer = qtrue;
    hwndOut = FindWindow(NULL, "Q3Map Process Server");
    if (hwndOut) {
      wm_BroadcastCommand = RegisterWindowMessage( "Q3MPS_BroadcastCommand" );
    }
  }
  if (hwndOut) {
    a = GlobalAddAtom(text);
    PostMessage(hwndOut, wm_BroadcastCommand, 0, (LPARAM)a);
  }
#endif
}


/*

qdir will hold the path up to the quake directory, including the slash

  f:\quake\
  /raid/quake/

gamedir will hold qdir + the game directory (id1, id2, etc)

  */

char		qdir[1024];
char		gamedir[1024];
char		writedir[1024];

void SetQdirFromPath( const char *path )
{
	char	temp[1024];
	const char	*c;
  const char *sep;
	int		len, count;

	if (!(path[0] == '/' || path[0] == '\\' || path[1] == ':'))
	{	// path is partial
		Q_getwd (temp);
		strcat (temp, path);
		path = temp;
	}

	// search for "quake2" in path

	len = strlen(BASEDIRNAME);
	for (c=path+strlen(path)-1 ; c != path ; c--)
	{
		int i;

		if (!Q_strncasecmp (c, BASEDIRNAME, len))
		{
      //
			//strncpy (qdir, path, c+len+2-path);
      // the +2 assumes a 2 or 3 following quake which is not the
      // case with a retail install
      // so we need to add up how much to the next separator
      sep = c + len;
      count = 1;
      while (*sep && *sep != '/' && *sep != '\\')
      {
        sep++;
        count++;
      }
			strncpy (qdir, path, c+len+count-path);
			qprintf ("qdir: %s\n", qdir);
			for ( i = 0; i < strlen( qdir ); i++ )
			{
				if ( qdir[i] == '\\' ) 
					qdir[i] = '/';
			}

			c += len+count;
			while (*c)
			{
				if (*c == '/' || *c == '\\')
				{
					strncpy (gamedir, path, c+1-path);

					for ( i = 0; i < strlen( gamedir ); i++ )
					{
						if ( gamedir[i] == '\\' ) 
							gamedir[i] = '/';
					}

					qprintf ("gamedir: %s\n", gamedir);

					if ( !writedir[0] )
						strcpy( writedir, gamedir );
					else if ( writedir[strlen( writedir )-1] != '/' )
					{
						writedir[strlen( writedir )] = '/';
						writedir[strlen( writedir )+1] = 0;
					}

					return;
				}
				c++;
			}
			Error ("No gamedir in %s", path);
			return;
		}
	}
	Error ("SetQdirFromPath: no '%s' in %s", BASEDIRNAME, path);
}

char *ExpandArg (const char *path)
{
	static char full[1024];

	if (path[0] != '/' && path[0] != '\\' && path[1] != ':')
	{
		Q_getwd (full);
		strcat (full, path);
	}
	else
		strcpy (full, path);
	return full;
}

char *ExpandPath (const char *path)
{
	static char full[1024];
	if (!qdir)
		Error ("ExpandPath called without qdir set");
	if (path[0] == '/' || path[0] == '\\' || path[1] == ':') {
		strcpy( full, path );
		return full;
	}
	sprintf (full, "%s%s", qdir, path);
	return full;
}

char *ExpandGamePath (const char *path)
{
	static char full[1024];
	if (!qdir)
		Error ("ExpandGamePath called without qdir set");
	if (path[0] == '/' || path[0] == '\\' || path[1] == ':') {
		strcpy( full, path );
		return full;
	}
	sprintf (full, "%s%s", gamedir, path);
	return full;
}

char *ExpandPathAndArchive (const char *path)
{
	char	*expanded;
	char	archivename[1024];

	expanded = ExpandPath (path);

	if (archive)
	{
		sprintf (archivename, "%s/%s", archivedir, path);
		QCopyFile (expanded, archivename);
	}
	return expanded;
}


char *copystring(const char *s)
{
	char	*b;
	b = malloc(strlen(s)+1);
	strcpy (b, s);
	return b;
}



/*
================
I_FloatTime
================
*/
double I_FloatTime (void)
{
	time_t	t;
	
	time (&t);
	
	return t;
#if 0
// more precise, less portable
	struct timeval tp;
	struct timezone tzp;
	static int		secbase;

	gettimeofday(&tp, &tzp);
	
	if (!secbase)
	{
		secbase = tp.tv_sec;
		return tp.tv_usec/1000000.0;
	}
	
	return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
#endif
}

void Q_getwd (char *out)
{
	int i = 0;

#ifdef WIN32
   _getcwd (out, 256);
   strcat (out, "\\");
#else
   getwd (out);
   strcat (out, "/");
#endif

   while ( out[i] != 0 )
   {
	   if ( out[i] == '\\' )
		   out[i] = '/';
	   i++;
   }
}


void Q_mkdir (const char *path)
{
#ifdef WIN32
	if (_mkdir (path) != -1)
		return;
#else
	if (mkdir (path, 0777) != -1)
		return;
#endif
	if (errno != EEXIST)
		Error ("mkdir %s: %s",path, strerror(errno));
}

/*
============
FileTime

returns -1 if not present
============
*/
int	FileTime (const char *path)
{
	struct	stat	buf;
	
	if (stat (path,&buf) == -1)
		return -1;
	
	return buf.st_mtime;
}



/*
==============
COM_Parse

Parse a token out of a string
==============
*/
char *COM_Parse (char *data)
{
	int		c;
	int		len;
	
	len = 0;
	com_token[0] = 0;
	
	if (!data)
		return NULL;
		
// skip whitespace
skipwhite:
	while ( (c = *data) <= ' ')
	{
		if (c == 0)
		{
			com_eof = qtrue;
			return NULL;			// end of file;
		}
		data++;
	}
	
// skip // comments
	if (c=='/' && data[1] == '/')
	{
		while (*data && *data != '\n')
			data++;
		goto skipwhite;
	}
	

// handle quoted strings specially
	if (c == '\"')
	{
		data++;
		do
		{
			c = *data++;
			if (c=='\"')
			{
				com_token[len] = 0;
				return data;
			}
			com_token[len] = c;
			len++;
		} while (1);
	}

// parse single characters
	if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
	{
		com_token[len] = c;
		len++;
		com_token[len] = 0;
		return data+1;
	}

// parse a regular word
	do
	{
		com_token[len] = c;
		data++;
		len++;
		c = *data;
	if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
			break;
	} while (c>32);
	
	com_token[len] = 0;
	return data;
}


int Q_strncasecmp (const char *s1, const char *s2, int n)
{
	int		c1, c2;
	
	do
	{
		c1 = *s1++;
		c2 = *s2++;

		if (!n--)
			return 0;		// strings are equal until end point
		
		if (c1 != c2)
		{
			if (c1 >= 'a' && c1 <= 'z')
				c1 -= ('a' - 'A');
			if (c2 >= 'a' && c2 <= 'z')
				c2 -= ('a' - 'A');
			if (c1 != c2)
				return -1;		// strings not equal
		}
	} while (c1);
	
	return 0;		// strings are equal
}

int Q_stricmp (const char *s1, const char *s2)
{
	return Q_strncasecmp (s1, s2, 99999);
}


char *strupr (char *start)
{
	char	*in;
	in = start;
	while (*in)
	{
		*in = toupper(*in);
		in++;
	}
	return start;
}

char *strlower (char *start)
{
	char	*in;
	in = start;
	while (*in)
	{
		*in = tolower(*in); 
		in++;
	}
	return start;
}


/*
=============================================================================

						MISC FUNCTIONS

=============================================================================
*/


/*
=================
CheckParm

Checks for the given parameter in the program's command line arguments
Returns the argument number (1 to argc-1) or 0 if not present
=================
*/
int CheckParm (const char *check)
{
	int             i;

	for (i = 1;i<myargc;i++)
	{
		if ( !Q_stricmp(check, myargv[i]) )
			return i;
	}

	return 0;
}