/*
Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
This file is part of Lugaru.
-Lugaru is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
+Lugaru is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-This program is distributed in the hope that it will be useful,
+Lugaru is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
*/
-#if !PLATFORM_MACOSX
+#include "MacCompatibility.hpp"
-/**> HEADER FILES <**/
-#include "MacCompatibility.h"
+#include <cerrno>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
#ifdef WIN32
#include <windows.h>
#endif
-#include <errno.h>
-#include <time.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
#if PLATFORM_UNIX
-#include <unistd.h>
-#include <sys/time.h>
-#include <sys/stat.h>
#include <assert.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <unistd.h>
+
typedef long long __int64;
typedef __int64 LARGE_INTEGER;
-static int QueryPerformanceFrequency(LARGE_INTEGER *liptr)
+static int QueryPerformanceFrequency(LARGE_INTEGER* liptr)
{
- assert(sizeof (__int64) == 8);
- assert(sizeof (LARGE_INTEGER) == 8);
+ assert(sizeof(__int64) == 8);
+ assert(sizeof(LARGE_INTEGER) == 8);
*liptr = 1000;
- return(1);
+ return (1);
}
-static int QueryPerformanceCounter(LARGE_INTEGER *liptr)
+static int QueryPerformanceCounter(LARGE_INTEGER* liptr)
{
struct timeval tv;
gettimeofday(&tv, NULL);
- *liptr = ( (((LARGE_INTEGER) tv.tv_sec) * 1000) +
- (((LARGE_INTEGER) tv.tv_usec) / 1000) );
- return(1);
+ *liptr = ((((LARGE_INTEGER)tv.tv_sec) * 1000) +
+ (((LARGE_INTEGER)tv.tv_usec) / 1000));
+ return (1);
}
#endif
class AppTime
{
-public:
- AppTime()
- {
- counterRate = 1;
- baseCounter = 0;
- QueryPerformanceFrequency( (LARGE_INTEGER*)&counterRate);
- QueryPerformanceCounter( (LARGE_INTEGER*)&baseCounter);
- }
- __int64 counterRate; // LARGE_INTEGER type has no math functions so use int64
- __int64 baseCounter;
+ public:
+ AppTime()
+ {
+ counterRate = 1;
+ baseCounter = 0;
+ QueryPerformanceFrequency((LARGE_INTEGER*)&counterRate);
+ QueryPerformanceCounter((LARGE_INTEGER*)&baseCounter);
+ }
+ __int64 counterRate; // LARGE_INTEGER type has no math functions so use int64
+ __int64 baseCounter;
};
static AppTime g_appTime;
-
-void CopyCStringToPascal( const char* src, unsigned char dst[256])
-{
- int len = strlen( src);
- dst[ 0] = len;
- memcpy( dst + 1, src, len);
-}
-
-
-void CopyPascalStringToC( const unsigned char* src, char* dst)
-{
- int len = src[ 0];
- memcpy( dst, src + 1, len);
- dst[ len] = 0;
-}
-
-
AbsoluteTime UpTime()
{
- __int64 counter;
- QueryPerformanceCounter( (LARGE_INTEGER*)&counter);
+ __int64 counter;
+ QueryPerformanceCounter((LARGE_INTEGER*)&counter);
- counter -= g_appTime.baseCounter;
+ counter -= g_appTime.baseCounter;
- AbsoluteTime time;
- time.lo = (unsigned long)counter;
- time.hi = (unsigned long)(counter >> 32);
- return time;
+ AbsoluteTime time;
+ time.lo = (unsigned long)counter;
+ time.hi = (unsigned long)(counter >> 32);
+ return time;
}
-
-Duration AbsoluteDeltaToDuration( AbsoluteTime& a, AbsoluteTime& b)
+Duration AbsoluteDeltaToDuration(AbsoluteTime& a, AbsoluteTime& b)
{
- __int64 value = a.hi;
- value <<= 32;
- value |= a.lo;
- __int64 value2 = b.hi;
- value2 <<= 32;
- value2 |= b.lo;
- value -= value2;
-
- if (value <= 0)
- return durationImmediate;
-
- __int64 frac = value % g_appTime.counterRate;
- value /= g_appTime.counterRate;
-
- Duration time;
-
- if (value == 0)
- {
- frac *= -1000000;
- frac /= g_appTime.counterRate;
- time = (Duration)frac;
- }
- else
- {
- frac *= 1000;
- frac /= g_appTime.counterRate;
- value *= 1000;
- value += frac;
- time = (Duration)value;
- }
-
- return time;
-}
-
-
-#if PLATFORM_UNIX
-#include <sys/types.h>
-#include <pwd.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <dirent.h>
-
-// some but not all of this is code from PhysicsFS: http://icculus.org/physfs/
-// the zlib license on physfs allows this cut-and-pasting.
-static int locateOneElement(char *buf)
-{
- char *ptr;
- char **rc;
- char **i;
- DIR *dirp;
-
- //if (PHYSFS_exists(buf))
- if (access(buf, F_OK) == 0)
- return(1); /* quick rejection: exists in current case. */
-
- ptr = strrchr(buf, '/'); /* find entry at end of path. */
- if (ptr == NULL)
- {
- dirp = opendir(".");
- ptr = buf;
- } /* if */
- else
- {
- *ptr = '\0';
- dirp = opendir(buf);
- *ptr = '/';
- ptr++; /* point past dirsep to entry itself. */
- } /* else */
-
- struct dirent *dent;
- while ((dent = readdir(dirp)) != NULL)
- {
- if (strcasecmp(dent->d_name, ptr) == 0)
- {
- strcpy(ptr, dent->d_name); /* found a match. Overwrite with this case. */
- closedir(dirp);
- return(1);
- } /* if */
- } /* for */
-
- /* no match at all... */
- closedir(dirp);
- return(0);
-} /* locateOneElement */
-
-
-static inline const char *getUserDirByUID(void)
-{
- struct passwd *pw = getpwuid(getuid());
- if (pw != NULL)
- return(pw->pw_dir);
- return(NULL);
-} /* getUserDirByUID */
-
-
-static inline const char *getPrefPath(void)
-{
- static char *prefpath = NULL;
- if (prefpath == NULL)
- {
- const char *homedir = getenv("HOME");
- if (homedir == NULL)
- homedir = getUserDirByUID();
- if (homedir == NULL)
- homedir = "."; // oh well.
-
-#if (defined(__APPLE__) && defined(__MACH__))
- const char *PREFPATHNAME = "Library/Application Support/Lugaru";
-#else
- const char *PREFPATHNAME = ".lugaru";
-#endif
- size_t len = strlen(homedir) + strlen(PREFPATHNAME) + 2;
- prefpath = new char[len];
- snprintf(prefpath, len, "%s/%s", homedir, PREFPATHNAME);
+ __int64 value = a.hi;
+ value <<= 32;
+ value |= a.lo;
+ __int64 value2 = b.hi;
+ value2 <<= 32;
+ value2 |= b.lo;
+ value -= value2;
+
+ if (value <= 0) {
+ return durationImmediate;
}
- return(prefpath);
-}
-
-static int locateCorrectCase(char *buf, bool makedirs)
-{
- int rc;
- char *ptr;
- char *prevptr;
-
- ptr = prevptr = buf;
- while (ptr = strchr(ptr + 1, '/'))
- {
- *ptr = '\0'; /* block this path section off */
- rc = locateOneElement(buf);
- if (!rc)
- {
- if (makedirs) /* normal if we're writing; build dirs! */
- mkdir(buf, S_IRWXU);
- else
- {
- *ptr = '/'; /* restore path separator */
- return(-2); /* missing element in path. */
- } /* else */
- } /* if */
- *ptr = '/'; /* restore path separator */
- } /* while */
-
- /* check final element... */
- return(locateOneElement(buf) ? 0 : -1);
-}
-
-static int locateCorrectFile(char *buf, const char *mode)
-{
- if (*buf == '\0')
- return(0); /* Uh...I guess that's failure. */
-
- assert((mode[0] == 'w') || (mode[0] == 'r'));
-
- bool iswriting = (mode[0] == 'w');
- const char *prefpath = getPrefPath();
- size_t len = strlen(buf) + strlen(prefpath) + 2;
- char *prefpathfile = (char *) alloca(len);
- snprintf(prefpathfile, len, "%s/%s", prefpath, buf);
-
- int rc = locateCorrectCase(prefpathfile, iswriting); /* favor prefpath. */
- if ( (rc == 0) || ((rc == -1) && (iswriting)) ) // found or create?
- strcpy(buf, prefpathfile);
- else if ((rc < 0) && (!iswriting)) /* not writing? Try game dir... */
- rc = locateCorrectCase(buf, iswriting);
-
- return(rc);
-} /* locateCorrectFile */
-#endif
-
-
-static char g_filename[4096];
-char* ConvertFileName( const char* orgfilename, const char *mode)
-{
- if (orgfilename == g_filename) // recursion?
- return g_filename;
-
- // translate filename into proper path name
- if (orgfilename[ 0] == ':')
- orgfilename++;
- strcpy( g_filename, orgfilename);
-
- for (int n = 0; g_filename[ n]; n++)
- {
- if (g_filename[ n] == ':')
- g_filename[ n] = '/';
-
- else if (g_filename[ n] == '\\')
- g_filename[ n] = '/';
- }
-
- #if PLATFORM_UNIX
- locateCorrectFile(g_filename, mode);
- #endif
+ __int64 frac = value % g_appTime.counterRate;
+ value /= g_appTime.counterRate;
+
+ Duration time;
+
+ if (value == 0) {
+ frac *= -1000000;
+ frac /= g_appTime.counterRate;
+ time = (Duration)frac;
+ } else {
+ frac *= 1000;
+ frac /= g_appTime.counterRate;
+ value *= 1000;
+ value += frac;
+ time = (Duration)value;
+ }
- return g_filename;
+ return time;
}
-
-#endif
-
-
projects / lugaru.git / blobdiff