Mac OS X: Add detection of the Steam and GOG releases of Duke 3D and the Steam release of NAM. DONT_BUILD.

git-svn-id: https://svn.eduke32.com/eduke32@4801 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/include/compat.h

@@ -761,7 +761,8 @@ char *Bgetenv(const char *name);
 #endif
 
 char *Bgethomedir(void);
-char *Bgetsupportdir(int32_t global);
+char *Bgetsupportdir(void);
+char *Bgetappdir(void);
 uint32_t Bgetsysmemsize(void);
 int32_t Bcorrectfilename(char *filename, int32_t removefn);
 int32_t Bcanonicalisefilename(char *filename, int32_t removefn);

polymer/eduke32/build/include/osxbits.h

@@ -9,6 +9,11 @@ extern "C" {
 int32_t osx_msgbox(const char *name, const char *msg);
 int32_t osx_ynbox(const char *name, const char *msg);
 
+char *osx_gethomedir(void);
+char *osx_getsupportdir(void);
+char *osx_getappdir(void);
+char *osx_getapplicationsdir(void);
+
 #ifdef __cplusplus
 }
 #endif

polymer/eduke32/build/src/compat.c

@@ -17,6 +17,8 @@
 #ifdef _WIN32
 # include <shlobj.h>
 # include <direct.h>
+#elif __APPLE__
+# include "osxbits.h"
 #endif
 
 #if defined(_MSC_VER)
@@ -25,6 +27,13 @@
 # include <dirent.h>
 #endif
 
+#if defined(__linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+# include <libgen.h> // for dirname()
+#endif
+#if defined(__FreeBSD__)
+# include <sys/sysctl.h> // for sysctl() to get path to executable
+#endif
+
 #include "baselayer.h"
 
 ////////// PANICKING ALLOCATION FUNCTIONS //////////
@@ -393,22 +402,8 @@ char *Bgethomedir(void)
     if (loaded)
         FreeLibrary(hShell32);
     return NULL;
-#elif defined(__APPLE__) && MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_3
-    FSRef ref;
-    CFStringRef str;
-    CFURLRef base;
-    char *s;
-
-    if (FSFindFolder(kUserDomain, kVolumeRootFolderType, kDontCreateFolder, &ref) < 0) return NULL;
-    base = CFURLCreateFromFSRef(NULL, &ref);
-    if (!base) return NULL;
-    str = CFURLCopyFileSystemPath(base, kCFURLPOSIXPathStyle);
-    CFRelease(base);
-    if (!str) return NULL;
-    s = (char *)CFStringGetCStringPtr(str,CFStringGetSystemEncoding());
-    if (s) s = Bstrdup(s);
-    CFRelease(str);
-    return s;
+#elif defined __APPLE__
+    return osx_gethomedir();
 #elif defined(GEKKO)
     // return current drive's name
     char *drv, cwd[BMAX_PATH] = {0};
@@ -424,32 +419,63 @@ char *Bgethomedir(void)
 #endif
 }
 
-char *Bgetsupportdir(int32_t global)
+char *Bgetsupportdir(void)
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3_
-    UNREFERENCED_PARAMETER(global);
-    return Bgethomedir();
+#if defined __APPLE__
+    return osx_getsupportdir();
 #else
-    FSRef ref;
-    CFStringRef str;
-    CFURLRef base;
-    char *s;
-
-    if (FSFindFolder(global ? kLocalDomain : kUserDomain,
-                     kApplicationSupportFolderType,
-                     kDontCreateFolder, &ref) < 0) return NULL;
-    base = CFURLCreateFromFSRef(NULL, &ref);
-    if (!base) return NULL;
-    str = CFURLCopyFileSystemPath(base, kCFURLPOSIXPathStyle);
-    CFRelease(base);
-    if (!str) return NULL;
-    s = (char *)CFStringGetCStringPtr(str,CFStringGetSystemEncoding());
-    if (s) s = Bstrdup(s);
-    CFRelease(str);
-    return s;
+    return Bgethomedir();
 #endif
 }
 
+char *Bgetappdir(void)
+{
+    char *dir = NULL;
+    
+#ifdef _WIN32
+	TCHAR appdir[MAX_PATH];
+    
+	if (GetModuleFileName(NULL, appdir, MAX_PATH) > 0) {
+		// trim off the filename
+		char *slash = strrchr(appdir, '\\');
+		if (slash) slash[0] = 0;
+		dir = strdup(appdir);
+    }
+
+#elif defined __APPLE__
+    dir = osx_getappdir();
+#elif defined(__linux) || defined(__NetBSD__) || defined(__OpenBSD__)
+    char buf[PATH_MAX] = {0};
+    char buf2[PATH_MAX] = {0};
+#  ifdef __linux
+    snprintf(buf, sizeof(buf), "/proc/%d/exe", getpid());
+#  else // the BSDs.. except for FreeBSD which has a sysctl
+    snprintf(buf, sizeof(buf), "/proc/%d/file", getpid());
+#  endif
+    int len = readlink(buf, buf2, sizeof(buf2));
+    if (len != -1) {
+        // remove executable name with dirname(3)
+        // on Linux, dirname() will modify buf2 (cutting off executable name) and return it
+        // on FreeBSD it seems to use some internal buffer instead.. anyway, just strdup()
+        dir = strdup(dirname(buf2));
+    }
+#elif defined(__FreeBSD__)
+    // the sysctl should also work when /proc/ is not mounted (which seems to
+    // be common on FreeBSD), so use it..
+    char buf[PATH_MAX] = {0};
+    int name[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+    size_t len = sizeof(buf)-1;
+    int ret = sysctl(name, sizeof(name)/sizeof(name[0]), buf, &len, NULL, 0);
+    if(ret == 0 && buf[0] != '\0') {
+        // again, remove executable name with dirname()
+        // on FreeBSD dirname() seems to use some internal buffer
+        dir = strdup(dirname(buf));
+    }
+#endif
+    
+    return dir;
+}
+
 int32_t Bcorrectfilename(char *filename, int32_t removefn)
 {
     char *fn;

polymer/eduke32/build/src/osxbits.m

@@ -58,3 +58,92 @@ int osx_ynbox(const char *name, const char *msg)
 
 	return r;
 }
+
+char *osx_gethomedir(void)
+{
+    NSString *path = NSHomeDirectory();
+    const char *Cpath = [path UTF8String];
+    char *returnpath = NULL;
+
+    if (Cpath)
+        returnpath = Bstrdup(Cpath);
+
+    [path release];
+
+    return returnpath;
+}
+
+char *osx_getsupportdir(void)
+{
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
+    char *returnpath = NULL;
+
+    if ([paths count] > 0)
+    {
+        const char *Cpath = [[paths objectAtIndex:0] UTF8String];
+        
+        if (Cpath)
+            returnpath = Bstrdup(Cpath);
+    }
+
+    [paths release];
+
+    return returnpath;
+}
+
+char *osx_getappdir(void)
+{
+    CFBundleRef mainBundle;
+    CFURLRef resUrl, fullUrl;
+	CFStringRef str;
+    const char *s;
+    char *dir = NULL;
+    
+    mainBundle = CFBundleGetMainBundle();
+    if (!mainBundle) {
+        return NULL;
+    }
+    
+    resUrl = CFBundleCopyResourcesDirectoryURL(mainBundle);
+    CFRelease(mainBundle);
+    if (!resUrl) {
+        return NULL;
+    }
+    fullUrl = CFURLCopyAbsoluteURL(resUrl);
+    if (fullUrl) {
+        CFRelease(resUrl);
+        resUrl = fullUrl;
+    }
+
+	str = CFURLCopyFileSystemPath(resUrl, kCFURLPOSIXPathStyle);
+    CFRelease(resUrl);
+    if (!str) {
+        return NULL;
+    }
+    
+    s = CFStringGetCStringPtr(str, CFStringGetSystemEncoding());
+    if (s) {
+        dir = strdup(s);
+    }
+    CFRelease(str);
+    
+    return dir;
+}
+
+char *osx_getapplicationsdir(void)
+{
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSAllApplicationsDirectory, NSLocalDomainMask, YES);
+    char *returnpath = NULL;
+
+    if ([paths count] > 0)
+    {
+        const char *Cpath = [[paths objectAtIndex:0] UTF8String];
+        
+        if (Cpath)
+            returnpath = Bstrdup(Cpath);
+    }
+
+    [paths release];
+
+    return returnpath;
+}

polymer/eduke32/source/common.c

@@ -15,6 +15,8 @@
 # ifndef KEY_WOW64_32KEY
 #  define KEY_WOW64_32KEY 0x0200
 # endif
+#elif defined __APPLE__
+# include "osxbits.h"
 #endif
 
 #include "common.h"
@@ -292,16 +294,14 @@ void G_ExtInit(void)
 {
     char cwd[BMAX_PATH];
 
-    if (getcwd(cwd,BMAX_PATH))
-    {
-#if defined(__APPLE__)
-        /* Dirty hack on OS X to also look for gamedata inside the application bundle - rhoenie 08/08 */
-        char seekinappcontainer[BMAX_PATH];
-        Bsnprintf(seekinappcontainer,sizeof(seekinappcontainer),"%s/EDuke32.app/", cwd);
-        addsearchpath(seekinappcontainer);
+#ifdef __APPLE__
+    char *appdir = Bgetappdir();
+    addsearchpath(appdir);
+    Bfree(appdir);
 #endif
+
+    if (getcwd(cwd,BMAX_PATH) && Bstrcmp(cwd,"/") != 0)
         addsearchpath(cwd);
-    }
 
     if (CommandPaths)
     {
@@ -337,8 +337,6 @@ void G_ExtInit(void)
             Bsnprintf(cwd,sizeof(cwd),"%s/"
 #if defined(_WIN32)
                       "EDuke32 Settings"
-#elif defined(__APPLE__)
-                      "Library/Application Support/EDuke32"
 #elif defined(GEKKO)
                       "apps/eduke32"
 #else
@@ -605,6 +603,195 @@ static void G_LoadAddon(void)
     }
 }
 
+#ifdef __APPLE__
+static void G_AddSteamPathsApple(const char *basepath)
+{
+    char buf[BMAX_PATH];
+
+    Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot", basepath);
+    addsearchpath(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/addons/dc", basepath);
+    addsearchpath(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/addons/nw", basepath);
+    addsearchpath(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/addons/vacation", basepath);
+    addsearchpath(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Nam/Nam.app/Contents/Resources/Nam.boxer/C.harddisk/NAM", basepath);
+    addsearchpath(buf);
+}
+
+// A bare-bones "parser" for Valve's KeyValues VDF format.
+// There is no guarantee this will function properly with ill-formed files.
+static void KeyValues_SkipWhitespace(char **vdfbuf, char * const vdfbufend)
+{
+    while (((*vdfbuf)[0] == ' ' || (*vdfbuf)[0] == '\n' || (*vdfbuf)[0] == '\r' || (*vdfbuf)[0] == '\t' || (*vdfbuf)[0] == '\0') && *vdfbuf < vdfbufend)
+        (*vdfbuf)++;
+
+    // comments
+    if ((*vdfbuf) + 2 < vdfbufend && (*vdfbuf)[0] == '/' && (*vdfbuf)[1] == '/')
+    {
+        while ((*vdfbuf)[0] != '\n' && (*vdfbuf)[0] != '\r' && *vdfbuf < vdfbufend)
+            (*vdfbuf)++;
+
+        KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+    }
+}
+static void KeyValues_SkipToEndOfQuotedToken(char **vdfbuf, char * const vdfbufend)
+{
+    (*vdfbuf)++;
+    while ((*vdfbuf)[0] != '\"' && (*vdfbuf)[-1] != '\\' && *vdfbuf < vdfbufend)
+        (*vdfbuf)++;
+}
+static void KeyValues_SkipToEndOfUnquotedToken(char **vdfbuf, char * const vdfbufend)
+{
+    while ((*vdfbuf)[0] != ' ' && (*vdfbuf)[0] != '\n' && (*vdfbuf)[0] != '\r' && (*vdfbuf)[0] != '\t' && (*vdfbuf)[0] != '\0' && *vdfbuf < vdfbufend)
+        (*vdfbuf)++;
+}
+static void KeyValues_SkipNextWhatever(char **vdfbuf, char * const vdfbufend)
+{
+    KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+
+    if (*vdfbuf == vdfbufend)
+        return;
+
+    if ((*vdfbuf)[0] == '{')
+    {
+        (*vdfbuf)++;
+        do
+        {
+            KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
+        }
+        while ((*vdfbuf)[0] != '}');
+        (*vdfbuf)++;
+    }
+    else if ((*vdfbuf)[0] == '\"')
+        KeyValues_SkipToEndOfQuotedToken(vdfbuf, vdfbufend);
+    else if ((*vdfbuf)[0] != '}')
+        KeyValues_SkipToEndOfUnquotedToken(vdfbuf, vdfbufend);
+
+    KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+}
+static char* KeyValues_NormalizeToken(char **vdfbuf, char * const vdfbufend)
+{
+    char *token = *vdfbuf;
+
+    if ((*vdfbuf)[0] == '\"' && *vdfbuf < vdfbufend)
+    {
+        token++;
+
+        KeyValues_SkipToEndOfQuotedToken(vdfbuf, vdfbufend);
+        (*vdfbuf)[0] = '\0';
+
+        // account for escape sequences
+        char *writeseeker = token, *readseeker = token;
+        while (readseeker <= *vdfbuf)
+        {
+            if (readseeker[0] == '\\')
+                readseeker++;
+
+            writeseeker[0] = readseeker[0];
+
+            writeseeker++;
+            readseeker++;
+        }
+
+        return token;
+    }
+
+    KeyValues_SkipToEndOfUnquotedToken(vdfbuf, vdfbufend);
+    (*vdfbuf)[0] = '\0';
+
+    return token;
+}
+static void KeyValues_FindKey(char **vdfbuf, char * const vdfbufend, const char *token)
+{
+    char *ParentKey = KeyValues_NormalizeToken(vdfbuf, vdfbufend);
+    if (token != NULL) // pass in NULL to find the next key instead of a specific one
+        while (Bstrcmp(ParentKey, token) != 0 && *vdfbuf < vdfbufend)
+        {
+            KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
+            ParentKey = KeyValues_NormalizeToken(vdfbuf, vdfbufend);
+        }
+
+    KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+}
+static int32_t KeyValues_FindParentKey(char **vdfbuf, char * const vdfbufend, const char *token)
+{
+    KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+
+    // end of scope
+    if ((*vdfbuf)[0] == '}')
+        return 0;
+
+    KeyValues_FindKey(vdfbuf, vdfbufend, token);
+
+    // ignore the wrong type
+    while ((*vdfbuf)[0] != '{' && *vdfbuf < vdfbufend)
+    {
+        KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
+        KeyValues_FindKey(vdfbuf, vdfbufend, token);
+    }
+
+    if (*vdfbuf == vdfbufend)
+        return 0;
+
+    return 1;
+}
+static char* KeyValues_FindKeyValue(char **vdfbuf, char * const vdfbufend, const char *token)
+{
+    KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+
+    // end of scope
+    if ((*vdfbuf)[0] == '}')
+        return NULL;
+
+    KeyValues_FindKey(vdfbuf, vdfbufend, token);
+
+    // ignore the wrong type
+    while ((*vdfbuf)[0] == '{' && *vdfbuf < vdfbufend)
+    {
+        KeyValues_SkipNextWhatever(vdfbuf, vdfbufend);
+        KeyValues_FindKey(vdfbuf, vdfbufend, token);
+    }
+
+    KeyValues_SkipWhitespace(vdfbuf, vdfbufend);
+
+    if (*vdfbuf == vdfbufend)
+        return NULL;
+
+    return KeyValues_NormalizeToken(vdfbuf, vdfbufend);
+}
+
+static void G_ParseSteamKeyValuesForPaths(const char *vdf)
+{
+    int32_t fd = Bopen(vdf, BO_RDONLY);
+    int32_t size = Bfilelength(fd);
+    char *vdfbufstart, *vdfbuf, *vdfbufend;
+
+    if (size <= 0)
+        return;
+
+    vdfbufstart = vdfbuf = (char*)Bmalloc(size);
+    size = (int32_t)Bread(fd, vdfbuf, size);
+    Bclose(fd);
+    vdfbufend = vdfbuf + size;
+
+    if (KeyValues_FindParentKey(&vdfbuf, vdfbufend, "LibraryFolders"))
+    {
+        char *result;
+        vdfbuf++;
+        while ((result = KeyValues_FindKeyValue(&vdfbuf, vdfbufend, NULL)) != NULL)
+            G_AddSteamPathsApple(result);
+    }
+
+    Bfree(vdfbufstart);
+}
+#endif
+
 void G_AddSearchPaths(void)
 {
 #if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
@@ -613,10 +800,27 @@ void G_AddSearchPaths(void)
     addsearchpath("/usr/share/games/eduke32");
     addsearchpath("/usr/local/share/games/eduke32");
 #elif defined(__APPLE__)
-    addsearchpath("/Library/Application Support/JFDuke3D");
-    addsearchpath("/Library/Application Support/EDuke32");
+    char buf[BMAX_PATH];
+    char *applications = osx_getapplicationsdir();
+    char *support = Bgetsupportdir();
+
+    Bsnprintf(buf, sizeof(buf), "%s/Steam", support);
+    G_AddSteamPathsApple(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/Steam/steamapps/libraryfolders.vdf", support);
+    G_ParseSteamKeyValuesForPaths(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/Duke Nukem 3D.app/Contents/Resources/Duke Nukem 3D.boxer/C.harddisk", applications);
+    addsearchpath(buf);
+
+    Bsnprintf(buf, sizeof(buf), "%s/JFDuke3D", support);
+    addsearchpath(buf);
+    Bsnprintf(buf, sizeof(buf), "%s/EDuke32", support);
+    addsearchpath(buf);
+
+    Bfree(applications);
+    Bfree(support);
 #elif defined (_WIN32)
-    // detect Steam and GOG versions of Duke3D
     char buf[BMAX_PATH];
     const char* instpath;