X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=Source%2FMacCompatibility.cpp;h=ea8ba749c12d655499360cb2f7401d376d5d9d7a;hb=211943fca2a77110d07c4eab259ed0208462766e;hp=b05d2b91bc27541fbc6ebec0459dce6a648b6685;hpb=68db9594c12cd81dd246c2c0c511a499ac04b2fd;p=lugaru.git
diff --git a/Source/MacCompatibility.cpp b/Source/MacCompatibility.cpp
index b05d2b9..ea8ba74 100644
--- a/Source/MacCompatibility.cpp
+++ b/Source/MacCompatibility.cpp
@@ -1,4 +1,22 @@
-#if !PLATFORM_MACOSX
+/*
+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 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.
+
+You should have received a copy of the GNU General Public License
+along with Lugaru. If not, see .
+*/
/**> HEADER FILES <**/
#include "MacCompatibility.h"
@@ -16,6 +34,7 @@
#if PLATFORM_UNIX
#include
#include
+#include
#include
typedef long long __int64;
typedef __int64 LARGE_INTEGER;
@@ -40,110 +59,88 @@ static int QueryPerformanceCounter(LARGE_INTEGER *liptr)
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;
+ 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)
{
- __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;
+ __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
+#include
+#include
+#include
#include
-// public domain code from PhysicsFS: http://icculus.org/physfs/
+// 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)
- {
+ if (ptr == NULL) {
dirp = opendir(".");
ptr = buf;
} /* if */
- else
- {
+ else {
*ptr = '\0';
dirp = opendir(buf);
*ptr = '/';
@@ -151,10 +148,8 @@ static int locateOneElement(char *buf)
} /* else */
struct dirent *dent;
- while ((dent = readdir(dirp)) != NULL)
- {
- if (stricmp(dent->d_name, ptr) == 0)
- {
+ 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);
@@ -167,52 +162,107 @@ static int locateOneElement(char *buf)
} /* locateOneElement */
-static inline int PHYSFSEXT_locateCorrectCase(char *buf)
+static inline const char *getUserDirByUID(void)
{
- int rc;
- char *ptr;
- char *prevptr;
+ struct passwd *pw = getpwuid(getuid());
+ if (pw != NULL)
+ return(pw->pw_dir);
+ return(NULL);
+} /* getUserDirByUID */
+
- ptr = prevptr = buf;
- if (*ptr == '\0')
- return(0); /* Uh...I guess that's success. */
+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);
+ }
+ return(prefpath);
+}
- while (ptr = strchr(ptr + 1, '/'))
- {
+static int locateCorrectCase(char *buf, bool makedirs)
+{
+ int rc;
+ char *ptr = 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 */
- if (!rc)
- return(-2); /* missing element in path. */
} /* while */
/* check final element... */
return(locateOneElement(buf) ? 0 : -1);
-} /* PHYSFSEXT_locateCorrectCase */
-#endif
+}
-static char g_filename[ 256];
-char* ConvertFileName( const char* orgfilename)
+static int locateCorrectFile(char *buf, const char *mode)
{
- // 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] = '/';
- }
-
- #if PLATFORM_UNIX
- PHYSFSEXT_locateCorrectCase(g_filename);
- #endif
-
- return g_filename;
-}
+ 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
+
+ return g_filename;
+}