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diff --git a/games/Albion/SR-Main/virtualfs.c b/games/Albion/SR-Main/virtualfs.c
index 34e0544..7d3acec 100644
--- a/games/Albion/SR-Main/virtualfs.c
+++ b/games/Albion/SR-Main/virtualfs.c
@@ -22,7 +22,9 @@
*
*/
+#define _GNU_SOURCE
#define _FILE_OFFSET_BITS 64
+#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
@@ -283,6 +285,177 @@ void vfs_visit_dir(file_entry *vdir)
vdir->dir_visited = 1;
}
+#define CONCAT_ENV(path) \
+ if (asprintf(&result, "%s/%s", env, path) == -1) { \
+ perror("asprintf"); \
+ exit(1); \
+ }
+
+#define DEFINE_XDG_GETTER(fun_name, envar, fallback) \
+ static char *fun_name(void) { \
+ const char *env; \
+ static char *result = NULL; \
+ if (result == NULL) { \
+ if ((env = getenv(envar)) != NULL) { \
+ CONCAT_ENV("albion"); \
+ } else if ((env = getenv("HOME")) != NULL) { \
+ CONCAT_ENV(fallback "/albion"); \
+ } else { \
+ fputs("Unable to determine " envar " or HOME.\n", stderr); \
+ exit(1); \
+ } \
+ } \
+ return result; \
+ }
+
+DEFINE_XDG_GETTER(getDataDir, "XDG_DATA_HOME", ".local/share");
+DEFINE_XDG_GETTER(getConfigDir, "XDG_CONFIG_HOME", ".config");
+
+static int makeDirs(const char *path)
+{
+ char *buf, *p;
+
+ if (*path == '\0')
+ return 1;
+
+ if ((buf = strdup(path)) == NULL)
+ return 1;
+
+ for (p = buf + 1; *p != '\0'; p++) {
+ if (*p != '/') continue;
+ *p = '\0';
+ mkdir(buf, 0777);
+ *p = '/';
+ }
+
+ mkdir(buf, 0777);
+
+ free(buf);
+ return 0;
+}
+
+typedef struct {
+ file_entry *dir;
+ const char *root;
+} unix_dir_cache_t;
+
+unix_dir_cache_t *unixDirCache[100];
+
+static void setUnixDir(const char *root, file_entry **dir)
+{
+ int i;
+ file_entry *newdir;
+
+ if (dir == NULL)
+ return;
+
+ for (i = 0; unixDirCache[i] != NULL; ++i) {
+ if (strcmp(unixDirCache[i]->root, root) == 0) {
+ *dir = unixDirCache[i]->dir;
+ return;
+ }
+ }
+
+ if ((newdir = (file_entry *)malloc(sizeof(file_entry))) == NULL)
+ return;
+
+ memset(newdir, 0, sizeof(file_entry));
+
+ newdir->dos_name[0] = 'X';
+ newdir->dos_name[1] = ':';
+ newdir->dos_name[2] = '\0';
+
+ newdir->real_name[0] = '.';
+ newdir->real_name[1] = '\0';
+
+ newdir->dos_fullname = strdup(newdir->dos_name);
+ newdir->real_fullname = strdup(root);
+
+ newdir->attributes = 1;
+ newdir->dir_visited = 0;
+
+ newdir->parent = newdir;
+ newdir->next = NULL;
+ newdir->prev = NULL;
+ newdir->first_child = NULL;
+ *dir = newdir;
+
+ unixDirCache[i] = (unix_dir_cache_t*)malloc(sizeof(unix_dir_cache_t));
+ if (unixDirCache[i] != NULL) {
+ makeDirs(root);
+ unixDirCache[i]->root = strdup(root);
+ unixDirCache[i]->dir = newdir;
+ }
+}
+
+static const char *manglePath(const char *xdg_path, const char *subdir,
+ const char *path, file_entry **dir)
+{
+ char *buf;
+
+ if (*path == '/' || *path == '\\')
+ path++;
+
+ if (subdir == NULL) {
+ setUnixDir(xdg_path, dir);
+ return path;
+ }
+
+ if (asprintf(&buf, "%s/%s", xdg_path, subdir) == -1)
+ return NULL;
+
+ setUnixDir(buf, dir);
+ free(buf);
+ return path;
+}
+
+#define MANGLE_PATH(xdgpath, subdir, off) \
+ origdosname = manglePath(xdgpath, subdir, origdosname + off, &parse_dir)
+
+static void maybeCreateSetupIni()
+{
+ char *buf;
+ int fd_in, fd_out;
+ static int done = 0;
+
+ if (done) return;
+
+ if (asprintf(&buf, "%s/%s", getConfigDir(), "setup.ini") == -1) {
+ return;
+ }
+
+ if (access(buf, F_OK) == 0) {
+ done = 1;
+ free(buf);
+ return;
+ }
+
+ makeDirs(getConfigDir());
+
+ fd_out = open(buf, O_WRONLY | O_CREAT, 0666);
+ free(buf);
+
+ if (fd_out == -1)
+ return;
+
+ if ((fd_in = open("@SETUP_INI_PATH@", O_RDONLY)) == -1) {
+ close(fd_out);
+ return;
+ }
+
+ buf = malloc(8192);
+
+ while (1) {
+ ssize_t result = read(fd_in, buf, 8192);
+ if (result == -1 || result == 0) break;
+ if (write(fd_out, buf, result) != result) break;
+ }
+
+ close(fd_in);
+ close(fd_out);
+ done = 1;
+}
+
/*
return value:
0 - dos path found (realdir = found entry)
@@ -292,9 +465,20 @@ return value:
int vfs_get_real_name(const char *origdosname, char *buf, file_entry **realdir)
{
char upperdosname[MAX_PATH], *dosname, *backslash;
- file_entry *parse_dir, *new_parse_dir;
+ file_entry *parse_dir = NULL, *new_parse_dir;
int ret;
+ if (strncasecmp(origdosname, "xldlibs\\current", 15) == 0) {
+ MANGLE_PATH(getDataDir(), "chars", 15);
+ } else if (strncasecmp(origdosname, "saves", 5) == 0) {
+ MANGLE_PATH(getDataDir(), "saves", 5);
+ } else if (strncasecmp(origdosname, "setup.ini", 10) == 0) {
+ maybeCreateSetupIni();
+ MANGLE_PATH(getConfigDir(), NULL, 0);
+ } else if (strncasecmp(origdosname, "setup.tmp", 10) == 0) {
+ MANGLE_PATH(getConfigDir(), NULL, 0);
+ }
+
// convert dos name to uppercase
{
int i;
@@ -316,28 +500,30 @@ int vfs_get_real_name(const char *origdosname, char *buf, file_entry **realdir)
// find initial directory for parsing
- if (dosname[0] == '\\')
- {
- parse_dir = &Game_CDir;
- dosname++;
- }
- else if (dosname[0] == 'C' && dosname[1] == ':')
- {
- if (dosname[2] == '\\')
+ if (parse_dir == NULL) {
+ if (dosname[0] == '\\')
{
parse_dir = &Game_CDir;
- dosname+=3;
+ dosname++;
+ }
+ else if (dosname[0] == 'C' && dosname[1] == ':')
+ {
+ if (dosname[2] == '\\')
+ {
+ parse_dir = &Game_CDir;
+ dosname+=3;
+ }
+ else
+ {
+ parse_dir = Game_Current_Dir;
+ dosname+=2;
+ }
}
else
{
parse_dir = Game_Current_Dir;
- dosname+=2;
}
}
- else
- {
- parse_dir = Game_Current_Dir;
- }
// find directory
for (backslash = strchr(dosname, '\\'); backslash != NULL; backslash = strchr(dosname, '\\'))
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