X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Ffiles.c;h=21309b825bf505ea3fc4ba98271d55874a3f0fb0;hp=0de480e07354cc44929749acb9861785716a9b21;hb=3d97e3d9c20a984e70dae5e63e7c5069fb136c91;hpb=4b22e01f196292da25d7201cb08ca52af6a38901

diff --git a/src/files.c b/src/files.c
index 0de480e0..21309b82 100644
--- a/src/files.c
+++ b/src/files.c
@@ -12,6 +12,9 @@
 ***********************************************************/
 
 #include <ctype.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 #include "files.h"
 #include "tools.h"
@@ -19,225 +22,471 @@
 #include "tape.h"
 #include "joystick.h"
 
-boolean LoadLevelInfo()
+#define MAX_FILENAME_LEN	256	/* maximal filename length */
+#define MAX_LINE_LEN		1000	/* maximal input line length */
+#define CHUNK_ID_LEN		4	/* IFF style chunk id length */
+#define LEVEL_HEADER_SIZE	80	/* size of level file header */
+#define LEVEL_HEADER_UNUSED	18	/* unused level header bytes */
+#define TAPE_HEADER_SIZE	20	/* size of tape file header */
+#define TAPE_HEADER_UNUSED	7	/* unused tape header bytes */
+#define FILE_VERSION_1_0	10	/* old 1.0 file version */
+#define FILE_VERSION_1_2	12	/* actual file version */
+
+/* file identifier strings */
+#define LEVEL_COOKIE		"ROCKSNDIAMONDS_LEVEL_FILE_VERSION_1.2"
+#define SCORE_COOKIE		"ROCKSNDIAMONDS_SCORE_FILE_VERSION_1.2"
+#define TAPE_COOKIE		"ROCKSNDIAMONDS_TAPE_FILE_VERSION_1.2"
+#define SETUP_COOKIE		"ROCKSNDIAMONDS_SETUP_FILE_VERSION_1.2"
+#define LEVELSETUP_COOKIE	"ROCKSNDIAMONDS_LEVELSETUP_FILE_VERSION_1.2"
+#define LEVELINFO_COOKIE	"ROCKSNDIAMONDS_LEVELINFO_FILE_VERSION_1.2"
+/* old file identifiers for backward compatibility */
+#define LEVEL_COOKIE_10		"ROCKSNDIAMONDS_LEVEL_FILE_VERSION_1.0"
+#define TAPE_COOKIE_10		"ROCKSNDIAMONDS_LEVELREC_FILE_VERSION_1.0"
+
+/* file names and filename extensions */
+#ifndef MSDOS
+#define USERDATA_DIRECTORY	".rocksndiamonds"
+#define SETUP_FILENAME		"setup.conf"
+#define LEVELSETUP_FILENAME	"levelsetup.conf"
+#define LEVELINFO_FILENAME	"levelinfo.conf"
+#define LEVELFILE_EXTENSION	"level"
+#define TAPEFILE_EXTENSION	"tape"
+#define SCOREFILE_EXTENSION	"score"
+#else
+#define USERDATA_DIRECTORY	"userdata"
+#define SETUP_FILENAME		"setup.cnf"
+#define LEVELSETUP_FILENAME	"lvlsetup.cnf"
+#define LEVELINFO_FILENAME	"lvlinfo.cnf"
+#define LEVELFILE_EXTENSION	"lvl"
+#define TAPEFILE_EXTENSION	"tap"
+#define SCOREFILE_EXTENSION	"sco"
+#define ERROR_FILENAME		"error.out"
+#endif
+
+/* file permissions for newly written files */
+#define MODE_R_ALL		(S_IRUSR | S_IRGRP | S_IROTH)
+#define MODE_W_ALL		(S_IWUSR | S_IWGRP | S_IWOTH)
+#define MODE_X_ALL		(S_IXUSR | S_IXGRP | S_IXOTH)
+#define USERDATA_DIR_MODE	(MODE_R_ALL | MODE_X_ALL | S_IWUSR)
+#define LEVEL_PERMS		(MODE_R_ALL | MODE_W_ALL)
+#define SCORE_PERMS		LEVEL_PERMS
+#define TAPE_PERMS		LEVEL_PERMS
+#define SETUP_PERMS		LEVEL_PERMS
+
+static void SaveUserLevelInfo();		/* for 'InitUserLevelDir()' */
+static char *getSetupLine(char *, int);		/* for 'SaveUserLevelInfo()' */
+
+static char *getGlobalDataDir()
 {
-  int i;
-  char filename[MAX_FILENAME_LEN];
-  char cookie[MAX_FILENAME_LEN];
-  FILE *file;
+  return GAME_DIR;
+}
 
-  sprintf(filename,"%s/%s",level_directory,LEVDIR_FILENAME);
+char *getUserDataDir()
+{
+  static char *userdata_dir = NULL;
 
-  if (!(file=fopen(filename,"r")))
+  if (!userdata_dir)
   {
-    Error(ERR_WARN, "cannot read level info '%s'", filename);
-    return(FALSE);
-  }
+    char *home_dir = getHomeDir();
+    char *data_dir = USERDATA_DIRECTORY;
 
-  fscanf(file,"%s\n",cookie);
-  if (strcmp(cookie,LEVELDIR_COOKIE))	/* ungültiges Format? */
-  {
-    Error(ERR_WARN, "wrong format of level info file");
-    fclose(file);
-    return(FALSE);
+    userdata_dir = getPath2(home_dir, data_dir);
   }
 
-  num_leveldirs = 0;
-  leveldir_nr = 0;
-  for(i=0;i<MAX_LEVDIR_ENTRIES;i++)
-  {
-    fscanf(file,"%s",leveldir[i].filename);
-    fscanf(file,"%s",leveldir[i].name);
-    fscanf(file,"%d",&leveldir[i].levels);
-    fscanf(file,"%d",&leveldir[i].readonly);
-    if (feof(file))
-      break;
+  return userdata_dir;
+}
 
-    num_leveldirs++;
-  }
+static char *getSetupDir()
+{
+  return getUserDataDir();
+}
+
+static char *getUserLevelDir(char *level_subdir)
+{
+  static char *userlevel_dir = NULL;
+  char *data_dir = getUserDataDir();
+  char *userlevel_subdir = LEVELS_DIRECTORY;
+
+  if (userlevel_dir)
+    free(userlevel_dir);
+
+  if (strlen(level_subdir) > 0)
+    userlevel_dir = getPath3(data_dir, userlevel_subdir, level_subdir);
+  else
+    userlevel_dir = getPath2(data_dir, userlevel_subdir);
+
+  return userlevel_dir;
+}
+
+static char *getTapeDir(char *level_subdir)
+{
+  static char *tape_dir = NULL;
+  char *data_dir = getUserDataDir();
+  char *tape_subdir = TAPES_DIRECTORY;
+
+  if (tape_dir)
+    free(tape_dir);
+
+  if (strlen(level_subdir) > 0)
+    tape_dir = getPath3(data_dir, tape_subdir, level_subdir);
+  else
+    tape_dir = getPath2(data_dir, tape_subdir);
+
+  return tape_dir;
+}
+
+static char *getScoreDir(char *level_subdir)
+{
+  static char *score_dir = NULL;
+  char *data_dir = getGlobalDataDir();
+  char *score_subdir = SCORES_DIRECTORY;
+
+  if (score_dir)
+    free(score_dir);
+
+  if (strlen(level_subdir) > 0)
+    score_dir = getPath3(data_dir, score_subdir, level_subdir);
+  else
+    score_dir = getPath2(data_dir, score_subdir);
+
+  return score_dir;
+}
+
+static char *getLevelFilename(int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  if (filename != NULL)
+    free(filename);
+
+  sprintf(basename, "%03d.%s", nr, LEVELFILE_EXTENSION);
+  filename = getPath3((leveldir[leveldir_nr].user_defined ?
+		       getUserLevelDir("") :
+		       options.level_directory),
+		      leveldir[leveldir_nr].filename,
+		      basename);
+
+  return filename;
+}
+
+static char *getTapeFilename(int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  if (filename != NULL)
+    free(filename);
+
+  sprintf(basename, "%03d.%s", nr, TAPEFILE_EXTENSION);
+  filename = getPath2(getTapeDir(leveldir[leveldir_nr].filename), basename);
+
+  return filename;
+}
+
+static char *getScoreFilename(int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  if (filename != NULL)
+    free(filename);
+
+  sprintf(basename, "%03d.%s", nr, SCOREFILE_EXTENSION);
+  filename = getPath2(getScoreDir(leveldir[leveldir_nr].filename), basename);
+
+  return filename;
+}
+
+static void createDirectory(char *dir, char *text)
+{
+  if (access(dir, F_OK) != 0)
+    if (mkdir(dir, USERDATA_DIR_MODE) != 0)
+      Error(ERR_WARN, "cannot create %s directory '%s'", text, dir);
+}
+
+static void InitUserDataDirectory()
+{
+  createDirectory(getUserDataDir(), "user data");
+}
+
+static void InitTapeDirectory(char *level_subdir)
+{
+  createDirectory(getUserDataDir(), "user data");
+  createDirectory(getTapeDir(""), "main tape");
+  createDirectory(getTapeDir(level_subdir), "level tape");
+}
 
-  if (!num_leveldirs)
+static void InitScoreDirectory(char *level_subdir)
+{
+  createDirectory(getScoreDir(""), "main score");
+  createDirectory(getScoreDir(level_subdir), "level score");
+}
+
+static void InitUserLevelDirectory(char *level_subdir)
+{
+  if (access(getUserLevelDir(level_subdir), F_OK) != 0)
   {
-    Error(ERR_WARN, "empty level info '%s'", filename);
-    return(FALSE);
+    createDirectory(getUserDataDir(), "user data");
+    createDirectory(getUserLevelDir(""), "main user level");
+    createDirectory(getUserLevelDir(level_subdir), "user level");
+
+    SaveUserLevelInfo();
   }
+}
+
+static void setLevelInfoToDefaults()
+{
+  int i, x, y;
+
+  lev_fieldx = level.fieldx = STD_LEV_FIELDX;
+  lev_fieldy = level.fieldy = STD_LEV_FIELDY;
+
+  for(x=0; x<MAX_LEV_FIELDX; x++) 
+    for(y=0; y<MAX_LEV_FIELDY; y++) 
+      Feld[x][y] = Ur[x][y] = EL_ERDREICH;
+
+  level.time = 100;
+  level.edelsteine = 0;
+  level.tempo_amoebe = 10;
+  level.dauer_sieb = 10;
+  level.dauer_ablenk = 10;
+  level.amoebe_inhalt = EL_DIAMANT;
+
+  strcpy(level.name, "Nameless Level");
+
+  for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
+    level.score[i] = 10;
 
-  return(TRUE);
+  for(i=0; i<4; i++)
+    for(x=0; x<3; x++)
+      for(y=0; y<3; y++)
+	level.mampfer_inhalt[i][x][y] = EL_FELSBROCKEN;
+
+  Feld[0][0] = Ur[0][0] = EL_SPIELFIGUR;
+  Feld[STD_LEV_FIELDX-1][STD_LEV_FIELDY-1] =
+    Ur[STD_LEV_FIELDX-1][STD_LEV_FIELDY-1] = EL_AUSGANG_ZU;
 }
 
 void LoadLevel(int level_nr)
 {
-  int i,x,y;
-  char filename[MAX_FILENAME_LEN];
-  char cookie[MAX_FILENAME_LEN];
+  int i, x, y;
+  char *filename = getLevelFilename(level_nr);
+  char cookie[MAX_LINE_LEN];
+  char chunk[CHUNK_ID_LEN + 1];
+  int file_version = FILE_VERSION_1_2;	/* last version of level files */
+  int chunk_length;
   FILE *file;
 
-  sprintf(filename,"%s/%s/%d",
-	  level_directory,leveldir[leveldir_nr].filename,level_nr);
+  /* always start with reliable default values */
+  setLevelInfoToDefaults();
 
-  if (!(file = fopen(filename,"r")))
+  if (!(file = fopen(filename, "r")))
+  {
     Error(ERR_WARN, "cannot read level '%s' - creating new level", filename);
-  else
+    return;
+  }
+
+  /* check file identifier */
+  fgets(cookie, MAX_LINE_LEN, file);
+  if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+    cookie[strlen(cookie) - 1] = '\0';
+
+  if (strcmp(cookie, LEVEL_COOKIE_10) == 0)	/* old 1.0 level format */
+    file_version = FILE_VERSION_1_0;
+  else if (strcmp(cookie, LEVEL_COOKIE) != 0)	/* unknown level format */
   {
-    fgets(cookie,LEVEL_COOKIE_LEN,file);
-    fgetc(file);
+    Error(ERR_WARN, "wrong file identifier of level file '%s'", filename);
+    fclose(file);
+    return;
+  }
 
-    if (strcmp(cookie,LEVEL_COOKIE))	/* ungültiges Format? */
+  /* read chunk "HEAD" */
+  if (file_version >= FILE_VERSION_1_2)
+  {
+    /* first check header chunk identifier and chunk length */
+    fgets(chunk, CHUNK_ID_LEN + 1, file);
+    chunk_length =
+      (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file);
+    if (strcmp(chunk, "HEAD") || chunk_length != LEVEL_HEADER_SIZE)
     {
-      Error(ERR_WARN, "wrong format of level file '%s'", filename);
+      Error(ERR_WARN, "wrong 'HEAD' chunk of level file '%s'", filename);
       fclose(file);
-      file = NULL;
+      return;
     }
   }
 
-  if (file)
-  {
-    lev_fieldx = level.fieldx = fgetc(file);
-    lev_fieldy = level.fieldy = fgetc(file);
-
-    level.time		= (fgetc(file)<<8) | fgetc(file);
-    level.edelsteine	= (fgetc(file)<<8) | fgetc(file);
-    for(i=0;i<MAX_LEVNAMLEN;i++)
-      level.name[i]	= fgetc(file);
-    level.name[MAX_LEVNAMLEN-1] = 0;
-    for(i=0;i<MAX_LEVSCORE_ENTRIES;i++)
-      level.score[i]	= fgetc(file);
-    for(i=0;i<4;i++)
-      for(y=0;y<3;y++)
-	for(x=0;x<3;x++)
-	  level.mampfer_inhalt[i][x][y] = fgetc(file);
-    level.tempo_amoebe	= fgetc(file);
-    level.dauer_sieb	= fgetc(file);
-    level.dauer_ablenk	= fgetc(file);
-    level.amoebe_inhalt = fgetc(file);
-
-    for(i=0;i<NUM_FREE_LVHD_BYTES;i++)	/* Rest frei / Headergröße 80 Bytes */
-      fgetc(file);
+  lev_fieldx = level.fieldx = fgetc(file);
+  lev_fieldy = level.fieldy = fgetc(file);
 
-    for(y=0;y<MAX_LEV_FIELDY;y++) 
-      for(x=0;x<MAX_LEV_FIELDX;x++) 
-	Feld[x][y] = Ur[x][y] = EL_ERDREICH;
+  level.time		= (fgetc(file)<<8) | fgetc(file);
+  level.edelsteine	= (fgetc(file)<<8) | fgetc(file);
 
-    for(y=0;y<lev_fieldy;y++) 
-      for(x=0;x<lev_fieldx;x++) 
-	Feld[x][y] = Ur[x][y] = fgetc(file);
+  for(i=0; i<MAX_LEVNAMLEN; i++)
+    level.name[i]	= fgetc(file);
+  level.name[MAX_LEVNAMLEN - 1] = 0;
 
-    fclose(file);
+  for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
+    level.score[i]	= fgetc(file);
 
-    if (level.time<=10)	/* Mindestspieldauer */
-      level.time = 10;
-  }
-  else
+  for(i=0; i<4; i++)
+    for(y=0; y<3; y++)
+      for(x=0; x<3; x++)
+	level.mampfer_inhalt[i][x][y] = fgetc(file);
+
+  level.tempo_amoebe	= fgetc(file);
+  level.dauer_sieb	= fgetc(file);
+  level.dauer_ablenk	= fgetc(file);
+  level.amoebe_inhalt = fgetc(file);
+
+  for(i=0; i<LEVEL_HEADER_UNUSED; i++)	/* skip unused header bytes */
+    fgetc(file);
+
+  /* read chunk "BODY" */
+  if (file_version >= FILE_VERSION_1_2)
   {
-    lev_fieldx = level.fieldx = STD_LEV_FIELDX;
-    lev_fieldy = level.fieldy = STD_LEV_FIELDY;
-
-    level.time		= 100;
-    level.edelsteine	= 0;
-    strncpy(level.name,"Nameless Level",MAX_LEVNAMLEN-1);
-    for(i=0;i<MAX_LEVSCORE_ENTRIES;i++)
-      level.score[i]	= 10;
-    for(i=0;i<4;i++)
-      for(y=0;y<3;y++)
-	for(x=0;x<3;x++)
-	  level.mampfer_inhalt[i][x][y] = EL_FELSBROCKEN;
-    level.tempo_amoebe	= 10;
-    level.dauer_sieb	= 10;
-    level.dauer_ablenk	= 10;
-    level.amoebe_inhalt = EL_DIAMANT;
-
-    for(y=0;y<STD_LEV_FIELDY;y++) 
-      for(x=0;x<STD_LEV_FIELDX;x++) 
-	Feld[x][y] = Ur[x][y] = EL_ERDREICH;
-    Feld[0][0] = Ur[0][0] = EL_SPIELFIGUR;
-    Feld[STD_LEV_FIELDX-1][STD_LEV_FIELDY-1] =
-      Ur[STD_LEV_FIELDX-1][STD_LEV_FIELDY-1] = EL_AUSGANG_ZU;
+    /* next check body chunk identifier and chunk length */
+    fgets(chunk, CHUNK_ID_LEN + 1, file);
+    chunk_length =
+      (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file);
+    if (strcmp(chunk, "BODY") || chunk_length != lev_fieldx * lev_fieldy)
+    {
+      Error(ERR_WARN, "wrong 'BODY' chunk of level file '%s'", filename);
+      fclose(file);
+      return;
+    }
   }
+
+  for(y=0; y<lev_fieldy; y++) 
+    for(x=0; x<lev_fieldx; x++) 
+      Feld[x][y] = Ur[x][y] = fgetc(file);
+
+  fclose(file);
+
+  if (level.time <= 10)		/* minimum playing time of each level */
+    level.time = 10;
 }
 
 void SaveLevel(int level_nr)
 {
-  int i,x,y;
-  char filename[MAX_FILENAME_LEN];
+  int i, x, y;
+  char *filename = getLevelFilename(level_nr);
   FILE *file;
+  int chunk_length;
 
-  sprintf(filename,"%s/%s/%d",
-	  level_directory,leveldir[leveldir_nr].filename,level_nr);
-
-  if (!(file=fopen(filename,"w")))
+  if (!(file = fopen(filename, "w")))
   {
     Error(ERR_WARN, "cannot save level file '%s'", filename);
     return;
   }
 
-  fputs(LEVEL_COOKIE,file);		/* Formatkennung */
-  fputc(0x0a,file);
-
-  fputc(level.fieldx,file);
-  fputc(level.fieldy,file);
-  fputc(level.time / 256,file);
-  fputc(level.time % 256,file);
-  fputc(level.edelsteine / 256,file);
-  fputc(level.edelsteine % 256,file);
-
-  for(i=0;i<MAX_LEVNAMLEN;i++)
-    fputc(level.name[i],file);
-  for(i=0;i<MAX_LEVSCORE_ENTRIES;i++)
-    fputc(level.score[i],file);
-  for(i=0;i<4;i++)
-    for(y=0;y<3;y++)
-      for(x=0;x<3;x++)
-	fputc(level.mampfer_inhalt[i][x][y],file);
-  fputc(level.tempo_amoebe,file);
-  fputc(level.dauer_sieb,file);
-  fputc(level.dauer_ablenk,file);
-  fputc(level.amoebe_inhalt,file);
-
-  for(i=0;i<NUM_FREE_LVHD_BYTES;i++)	/* Rest frei / Headergröße 80 Bytes */
-    fputc(0,file);
-
-  for(y=0;y<lev_fieldy;y++) 
-    for(x=0;x<lev_fieldx;x++) 
-      fputc(Ur[x][y],file);
+  fputs(LEVEL_COOKIE, file);		/* file identifier */
+  fputc('\n', file);
+
+  fputs("HEAD", file);			/* chunk identifier for file header */
+
+  chunk_length = LEVEL_HEADER_SIZE;
+
+  fputc((chunk_length >>  24) & 0xff, file);
+  fputc((chunk_length >>  16) & 0xff, file);
+  fputc((chunk_length >>   8) & 0xff, file);
+  fputc((chunk_length >>   0) & 0xff, file);
+
+  fputc(level.fieldx, file);
+  fputc(level.fieldy, file);
+  fputc(level.time / 256, file);
+  fputc(level.time % 256, file);
+  fputc(level.edelsteine / 256, file);
+  fputc(level.edelsteine % 256, file);
+
+  for(i=0; i<MAX_LEVNAMLEN; i++)
+    fputc(level.name[i], file);
+  for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
+    fputc(level.score[i], file);
+  for(i=0; i<4; i++)
+    for(y=0; y<3; y++)
+      for(x=0; x<3; x++)
+	fputc(level.mampfer_inhalt[i][x][y], file);
+  fputc(level.tempo_amoebe, file);
+  fputc(level.dauer_sieb, file);
+  fputc(level.dauer_ablenk, file);
+  fputc(level.amoebe_inhalt, file);
+
+  for(i=0; i<LEVEL_HEADER_UNUSED; i++)	/* set unused header bytes to zero */
+    fputc(0, file);
+
+  fputs("BODY", file);			/* chunk identifier for file body */
+  chunk_length = lev_fieldx * lev_fieldy;
+
+  fputc((chunk_length >>  24) & 0xff, file);
+  fputc((chunk_length >>  16) & 0xff, file);
+  fputc((chunk_length >>   8) & 0xff, file);
+  fputc((chunk_length >>   0) & 0xff, file);
+
+  for(y=0; y<lev_fieldy; y++) 
+    for(x=0; x<lev_fieldx; x++) 
+      fputc(Ur[x][y], file);
 
   fclose(file);
 
   chmod(filename, LEVEL_PERMS);
 }
 
-void LoadLevelTape(int level_nr)
+void LoadTape(int level_nr)
 {
-  int i;
-  char filename[MAX_FILENAME_LEN];
-  char cookie[MAX_FILENAME_LEN];
+  int i, j;
+  char *filename = getTapeFilename(level_nr);
+  char cookie[MAX_LINE_LEN];
+  char chunk[CHUNK_ID_LEN + 1];
   FILE *file;
-  boolean levelrec_10 = FALSE;
+  int num_participating_players;
+  int file_version = FILE_VERSION_1_2;	/* last version of tape files */
+  int chunk_length;
 
-#ifndef MSDOS
-  sprintf(filename,"%s/%s/%d.tape",
-	  level_directory,leveldir[leveldir_nr].filename,level_nr);
-#else
-  sprintf(filename,"%s/%s/%d.tap",
-	  level_directory,leveldir[leveldir_nr].filename,level_nr);
-#endif
+  /* always start with reliable default values (empty tape) */
+  TapeErase();
 
-  if ((file=fopen(filename,"r")))
+  /* default values (also for pre-1.2 tapes) with only the first player */
+  tape.player_participates[0] = TRUE;
+  for(i=1; i<MAX_PLAYERS; i++)
+    tape.player_participates[i] = FALSE;
+
+  /* at least one (default: the first) player participates in every tape */
+  num_participating_players = 1;
+
+  if (!(file = fopen(filename, "r")))
+    return;
+
+  /* check file identifier */
+  fgets(cookie, MAX_LINE_LEN, file);
+  if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+    cookie[strlen(cookie) - 1] = '\0';
+
+  if (strcmp(cookie, TAPE_COOKIE_10) == 0)	/* old 1.0 tape format */
+    file_version = FILE_VERSION_1_0;
+  else if (strcmp(cookie, TAPE_COOKIE) != 0)	/* unknown tape format */
   {
-    fgets(cookie,LEVELREC_COOKIE_LEN,file);
-    fgetc(file);
-    if (!strcmp(cookie,LEVELREC_COOKIE_10))	/* old 1.0 tape format */
-      levelrec_10 = TRUE;
-    else if (strcmp(cookie,LEVELREC_COOKIE))	/* unknown tape format */
+    Error(ERR_WARN, "wrong file identifier of tape file '%s'", filename);
+    fclose(file);
+    return;
+  }
+
+  /* read chunk "HEAD" */
+  if (file_version >= FILE_VERSION_1_2)
+  {
+    /* first check header chunk identifier and chunk length */
+    fgets(chunk, CHUNK_ID_LEN + 1, file);
+    chunk_length =
+      (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file);
+
+    if (strcmp(chunk, "HEAD") || chunk_length != TAPE_HEADER_SIZE)
     {
-      Error(ERR_WARN, "wrong format of level recording file '%s'", filename);
+      Error(ERR_WARN, "wrong 'HEAD' chunk of tape file '%s'", filename);
       fclose(file);
-      file = NULL;
+      return;
     }
   }
 
-  if (!file)
-    return;
-
   tape.random_seed =
     (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file);
   tape.date =
@@ -245,6 +494,28 @@ void LoadLevelTape(int level_nr)
   tape.length =
     (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file);
 
+  /* read header fields that are new since version 1.2 */
+  if (file_version >= FILE_VERSION_1_2)
+  {
+    byte store_participating_players = fgetc(file);
+
+    for(i=0; i<TAPE_HEADER_UNUSED; i++)		/* skip unused header bytes */
+      fgetc(file);
+
+    /* since version 1.2, tapes store which players participate in the tape */
+    num_participating_players = 0;
+    for(i=0; i<MAX_PLAYERS; i++)
+    {
+      tape.player_participates[i] = FALSE;
+
+      if (store_participating_players & (1 << i))
+      {
+	tape.player_participates[i] = TRUE;
+	num_participating_players++;
+      }
+    }
+  }
+
   tape.level_nr = level_nr;
   tape.counter = 0;
   tape.changed = FALSE;
@@ -253,25 +524,65 @@ void LoadLevelTape(int level_nr)
   tape.playing = FALSE;
   tape.pausing = FALSE;
 
-  for(i=0;i<tape.length;i++)
+  /* read chunk "BODY" */
+  if (file_version >= FILE_VERSION_1_2)
   {
-    int j;
+    /* next check body chunk identifier and chunk length */
+    fgets(chunk, CHUNK_ID_LEN + 1, file);
+    chunk_length =
+      (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file);
+    if (strcmp(chunk, "BODY") ||
+	chunk_length != (num_participating_players + 1) * tape.length)
+    {
+      Error(ERR_WARN, "wrong 'BODY' chunk of tape file '%s'", filename);
+      fclose(file);
+      return;
+    }
+  }
 
+  for(i=0; i<tape.length; i++)
+  {
     if (i >= MAX_TAPELEN)
       break;
 
     for(j=0; j<MAX_PLAYERS; j++)
     {
-      if (levelrec_10 && j>0)
-      {
-	tape.pos[i].action[j] = MV_NO_MOVING;
-	continue;
-      }
-      tape.pos[i].action[j] = fgetc(file);
+      tape.pos[i].action[j] = MV_NO_MOVING;
+
+      if (tape.player_participates[j])
+	tape.pos[i].action[j] = fgetc(file);
     }
 
     tape.pos[i].delay = fgetc(file);
 
+    if (file_version == FILE_VERSION_1_0)
+    {
+      /* eliminate possible diagonal moves in old tapes */
+      /* this is only for backward compatibility */
+
+      byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
+      byte action = tape.pos[i].action[0];
+      int k, num_moves = 0;
+
+      for (k=0; k<4; k++)
+      {
+	if (action & joy_dir[k])
+	{
+	  tape.pos[i + num_moves].action[0] = joy_dir[k];
+	  if (num_moves > 0)
+	    tape.pos[i + num_moves].delay = 0;
+	  num_moves++;
+	}
+      }
+
+      if (num_moves > 1)
+      {
+	num_moves--;
+	i += num_moves;
+	tape.length += num_moves;
+      }
+    }
+
     if (feof(file))
       break;
   }
@@ -284,190 +595,181 @@ void LoadLevelTape(int level_nr)
   tape.length_seconds = GetTapeLength();
 }
 
-void SaveLevelTape(int level_nr)
+void SaveTape(int level_nr)
 {
   int i;
-  char filename[MAX_FILENAME_LEN];
+  char *filename = getTapeFilename(level_nr);
   FILE *file;
   boolean new_tape = TRUE;
+  byte store_participating_players;
+  int num_participating_players;
+  int chunk_length;
 
-#ifndef MSDOS
-  sprintf(filename,"%s/%s/%d.tape",
-	  level_directory,leveldir[leveldir_nr].filename,level_nr);
-#else
-  sprintf(filename,"%s/%s/%d.tap",
-	  level_directory,leveldir[leveldir_nr].filename,level_nr);
-#endif
+  InitTapeDirectory(leveldir[leveldir_nr].filename);
 
-  /* Testen, ob bereits eine Aufnahme existiert */
-  if ((file=fopen(filename,"r")))
+  /* if a tape still exists, ask to overwrite it */
+  if (access(filename, F_OK) == 0)
   {
     new_tape = FALSE;
-    fclose(file);
-
-    if (!Request("Replace old tape ?",REQ_ASK))
+    if (!Request("Replace old tape ?", REQ_ASK))
       return;
   }
 
-  if (!(file=fopen(filename,"w")))
+  /* count number of players and set corresponding bits for compact storage */
+  store_participating_players = 0;
+  num_participating_players = 0;
+  for(i=0; i<MAX_PLAYERS; i++)
+  {
+    if (tape.player_participates[i])
+    {
+      num_participating_players++;
+      store_participating_players |= (1 << i);
+    }
+  }
+
+  if (!(file = fopen(filename, "w")))
   {
     Error(ERR_WARN, "cannot save level recording file '%s'", filename);
     return;
   }
 
-  fputs(LEVELREC_COOKIE,file);		/* Formatkennung */
-  fputc(0x0a,file);
+  fputs(TAPE_COOKIE, file);		/* file identifier */
+  fputc('\n', file);
+
+  fputs("HEAD", file);			/* chunk identifier for file header */
+
+  chunk_length = TAPE_HEADER_SIZE;
+
+  fputc((chunk_length >>  24) & 0xff, file);
+  fputc((chunk_length >>  16) & 0xff, file);
+  fputc((chunk_length >>   8) & 0xff, file);
+  fputc((chunk_length >>   0) & 0xff, file);
+
+  fputc((tape.random_seed >> 24) & 0xff, file);
+  fputc((tape.random_seed >> 16) & 0xff, file);
+  fputc((tape.random_seed >>  8) & 0xff, file);
+  fputc((tape.random_seed >>  0) & 0xff, file);
+
+  fputc((tape.date >>  24) & 0xff, file);
+  fputc((tape.date >>  16) & 0xff, file);
+  fputc((tape.date >>   8) & 0xff, file);
+  fputc((tape.date >>   0) & 0xff, file);
+
+  fputc((tape.length >>  24) & 0xff, file);
+  fputc((tape.length >>  16) & 0xff, file);
+  fputc((tape.length >>   8) & 0xff, file);
+  fputc((tape.length >>   0) & 0xff, file);
 
-  fputc((tape.random_seed >> 24) & 0xff,file);
-  fputc((tape.random_seed >> 16) & 0xff,file);
-  fputc((tape.random_seed >>  8) & 0xff,file);
-  fputc((tape.random_seed >>  0) & 0xff,file);
+  fputc(store_participating_players, file);
 
-  fputc((tape.date >>  24) & 0xff,file);
-  fputc((tape.date >>  16) & 0xff,file);
-  fputc((tape.date >>   8) & 0xff,file);
-  fputc((tape.date >>   0) & 0xff,file);
+  for(i=0; i<TAPE_HEADER_UNUSED; i++)	/* set unused header bytes to zero */
+    fputc(0, file);
 
-  fputc((tape.length >>  24) & 0xff,file);
-  fputc((tape.length >>  16) & 0xff,file);
-  fputc((tape.length >>   8) & 0xff,file);
-  fputc((tape.length >>   0) & 0xff,file);
+  fputs("BODY", file);			/* chunk identifier for file body */
+  chunk_length = (num_participating_players + 1) * tape.length;
 
-  for(i=0;i<tape.length;i++)
+  fputc((chunk_length >>  24) & 0xff, file);
+  fputc((chunk_length >>  16) & 0xff, file);
+  fputc((chunk_length >>   8) & 0xff, file);
+  fputc((chunk_length >>   0) & 0xff, file);
+
+  for(i=0; i<tape.length; i++)
   {
     int j;
 
     for(j=0; j<MAX_PLAYERS; j++)
-      fputc(tape.pos[i].action[j],file);
+      if (tape.player_participates[j])
+	fputc(tape.pos[i].action[j], file);
 
-    fputc(tape.pos[i].delay,file);
+    fputc(tape.pos[i].delay, file);
   }
 
   fclose(file);
 
-  chmod(filename, LEVREC_PERMS);
+  chmod(filename, TAPE_PERMS);
 
   tape.changed = FALSE;
 
   if (new_tape)
-    Request("tape saved !",REQ_CONFIRM);
+    Request("tape saved !", REQ_CONFIRM);
 }
 
-boolean CreateNewScoreFile()
+void LoadScore(int level_nr)
 {
-  int i,j,k;
-  char filename[MAX_FILENAME_LEN];
-  char empty_alias[MAX_NAMELEN];
+  int i;
+  char *filename = getScoreFilename(level_nr);
+  char cookie[MAX_LINE_LEN];
+  char line[MAX_LINE_LEN];
+  char *line_ptr;
   FILE *file;
 
-  sprintf(filename,"%s/%s/%s",
-	  level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME);
-
-  if (!(file=fopen(filename,"w")))
-    return(FALSE);
-
-  for(i=0;i<MAX_NAMELEN;i++)
-    empty_alias[i] = 0;
-  strncpy(empty_alias,EMPTY_ALIAS,MAX_NAMELEN-1);
-
-  fputs(SCORE_COOKIE,file);		/* Formatkennung */
-  for(i=0;i<leveldir[leveldir_nr].levels;i++)
+  /* always start with reliable default values */
+  for(i=0; i<MAX_SCORE_ENTRIES; i++)
   {
-    for(j=0;j<MAX_SCORE_ENTRIES;j++)
-    {
-      for(k=0;k<MAX_NAMELEN;k++)
-	fputc(empty_alias[k],file);
-      fputc(0,file);
-      fputc(0,file);
-    }
+    strcpy(highscore[i].Name, EMPTY_PLAYER_NAME);
+    highscore[i].Score = 0;
   }
-  fclose(file);
-
-  chmod(filename, SCORE_PERMS);
-  return(TRUE);
-}
 
-void LoadScore(int level_nr)
-{
-  int i,j;
-  char filename[MAX_FILENAME_LEN];
-  char cookie[MAX_FILENAME_LEN];
-  FILE *file;
+  if (!(file = fopen(filename, "r")))
+    return;
 
-  sprintf(filename,"%s/%s/%s",
-	  level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME);
+  /* check file identifier */
+  fgets(cookie, MAX_LINE_LEN, file);
+  if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+    cookie[strlen(cookie) - 1] = '\0';
 
-  if (!(file = fopen(filename,"r")))
+  if (strcmp(cookie, SCORE_COOKIE) != 0)
   {
-    if (!CreateNewScoreFile())
-      Error(ERR_WARN, "cannot create score file '%s'", filename);
-    else if (!(file = fopen(filename,"r"))) 
-      Error(ERR_WARN, "cannot read score for level %d", level_nr);
+    Error(ERR_WARN, "wrong file identifier of score file '%s'", filename);
+    fclose(file);
+    return;
   }
 
-  if (file)
+  for(i=0; i<MAX_SCORE_ENTRIES; i++)
   {
-    fgets(cookie,SCORE_COOKIE_LEN,file);
-    if (strcmp(cookie,SCORE_COOKIE))	/* ungültiges Format? */
-    {
-      Error(ERR_WARN, "wrong format of score file '%s'", filename);
-      fclose(file);
-      file = NULL;
-    }
-  }
+    fscanf(file, "%d", &highscore[i].Score);
+    fgets(line, MAX_LINE_LEN, file);
 
-  if (file)
-  {
-    fseek(file,
-	  SCORE_COOKIE_LEN-1+level_nr*(MAX_SCORE_ENTRIES*(MAX_NAMELEN+2)),
-	  SEEK_SET);
-    for(i=0;i<MAX_SCORE_ENTRIES;i++)
-    {
-      for(j=0;j<MAX_NAMELEN;j++)
-	highscore[i].Name[j] = fgetc(file);
-      highscore[i].Score = (fgetc(file)<<8) | fgetc(file);
-    }
-    fclose(file);
-  }
-  else
-  {
-    for(i=0;i<MAX_SCORE_ENTRIES;i++)
+    if (line[strlen(line)-1] == '\n')
+      line[strlen(line)-1] = '\0';
+
+    for (line_ptr = line; *line_ptr; line_ptr++)
     {
-      strcpy(highscore[i].Name,EMPTY_ALIAS);
-      highscore[i].Score = 0;
+      if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
+      {
+	strncpy(highscore[i].Name, line_ptr, MAX_NAMELEN - 1);
+	highscore[i].Name[MAX_NAMELEN - 1] = '\0';
+	break;
+      }
     }
   }
+
+  fclose(file);
 }
 
 void SaveScore(int level_nr)
 {
-  int i,j;
-  char filename[MAX_FILENAME_LEN];
+  int i;
+  char *filename = getScoreFilename(level_nr);
   FILE *file;
 
-  sprintf(filename,"%s/%s/%s",
-	  level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME);
+  InitScoreDirectory(leveldir[leveldir_nr].filename);
 
-  if (!(file=fopen(filename,"r+")))
+  if (!(file = fopen(filename, "w")))
   {
     Error(ERR_WARN, "cannot save score for level %d", level_nr);
     return;
   }
 
-  fseek(file,
-	SCORE_COOKIE_LEN-1+level_nr*(MAX_SCORE_ENTRIES*(MAX_NAMELEN+2)),
-	SEEK_SET);
-  for(i=0;i<MAX_SCORE_ENTRIES;i++)
-  {
-    for(j=0;j<MAX_NAMELEN;j++)
-      fputc(highscore[i].Name[j],file);
-    fputc(highscore[i].Score / 256,file);
-    fputc(highscore[i].Score % 256,file);
-  }
+  fprintf(file, "%s\n\n", SCORE_COOKIE);
+
+  for(i=0; i<MAX_SCORE_ENTRIES; i++)
+    fprintf(file, "%d %s\n", highscore[i].Score, highscore[i].Name);
+
   fclose(file);
-}
 
-#define MAX_LINE_LEN			1000
+  chmod(filename, SCORE_PERMS);
+}
 
 #define TOKEN_STR_FILE_IDENTIFIER	"file_identifier"
 #define TOKEN_STR_LAST_LEVEL_SERIES	"last_level_series"
@@ -475,44 +777,54 @@ void SaveScore(int level_nr)
 
 #define TOKEN_VALUE_POSITION		30
 
-#define SETUP_TOKEN_SOUND		0
-#define SETUP_TOKEN_SOUND_LOOPS		1
-#define SETUP_TOKEN_SOUND_MUSIC		2
-#define SETUP_TOKEN_SOUND_SIMPLE	3
-#define SETUP_TOKEN_TOONS		4
-#define SETUP_TOKEN_DOUBLE_BUFFERING	5
-#define SETUP_TOKEN_SCROLL_DELAY	6
-#define SETUP_TOKEN_SOFT_SCROLLING	7
-#define SETUP_TOKEN_FADING		8
-#define SETUP_TOKEN_AUTORECORD		9
-#define SETUP_TOKEN_QUICK_DOORS		10
-#define SETUP_TOKEN_ALIAS_NAME		11
-
-#define SETUP_TOKEN_USE_JOYSTICK	12
-#define SETUP_TOKEN_JOY_DEVICE_NAME	13
-#define SETUP_TOKEN_JOY_XLEFT		14
-#define SETUP_TOKEN_JOY_XMIDDLE		15
-#define SETUP_TOKEN_JOY_XRIGHT		16
-#define SETUP_TOKEN_JOY_YUPPER		17
-#define SETUP_TOKEN_JOY_YMIDDLE		18
-#define SETUP_TOKEN_JOY_YLOWER		19
-#define SETUP_TOKEN_JOY_SNAP		20
-#define SETUP_TOKEN_JOY_BOMB		21
-#define SETUP_TOKEN_KEY_LEFT		22
-#define SETUP_TOKEN_KEY_RIGHT		23
-#define SETUP_TOKEN_KEY_UP		24
-#define SETUP_TOKEN_KEY_DOWN		25
-#define SETUP_TOKEN_KEY_SNAP		26
-#define SETUP_TOKEN_KEY_BOMB		27
-
-#define NUM_SETUP_TOKENS		28
-
-#define FIRST_GLOBAL_SETUP_TOKEN	SETUP_TOKEN_SOUND
-#define LAST_GLOBAL_SETUP_TOKEN		SETUP_TOKEN_ALIAS_NAME
+/* global setup */
+#define SETUP_TOKEN_PLAYER_NAME		0
+#define SETUP_TOKEN_SOUND		1
+#define SETUP_TOKEN_SOUND_LOOPS		2
+#define SETUP_TOKEN_SOUND_MUSIC		3
+#define SETUP_TOKEN_SOUND_SIMPLE	4
+#define SETUP_TOKEN_TOONS		5
+#define SETUP_TOKEN_DOUBLE_BUFFERING	6
+#define SETUP_TOKEN_SCROLL_DELAY	7
+#define SETUP_TOKEN_SOFT_SCROLLING	8
+#define SETUP_TOKEN_FADING		9
+#define SETUP_TOKEN_AUTORECORD		10
+#define SETUP_TOKEN_QUICK_DOORS		11
+#define SETUP_TOKEN_TEAM_MODE		12
+
+/* player setup */
+#define SETUP_TOKEN_USE_JOYSTICK	13
+#define SETUP_TOKEN_JOY_DEVICE_NAME	14
+#define SETUP_TOKEN_JOY_XLEFT		15
+#define SETUP_TOKEN_JOY_XMIDDLE		16
+#define SETUP_TOKEN_JOY_XRIGHT		17
+#define SETUP_TOKEN_JOY_YUPPER		18
+#define SETUP_TOKEN_JOY_YMIDDLE		19
+#define SETUP_TOKEN_JOY_YLOWER		20
+#define SETUP_TOKEN_JOY_SNAP		21
+#define SETUP_TOKEN_JOY_BOMB		22
+#define SETUP_TOKEN_KEY_LEFT		23
+#define SETUP_TOKEN_KEY_RIGHT		24
+#define SETUP_TOKEN_KEY_UP		25
+#define SETUP_TOKEN_KEY_DOWN		26
+#define SETUP_TOKEN_KEY_SNAP		27
+#define SETUP_TOKEN_KEY_BOMB		28
+
+/* level directory info */
+#define LEVELINFO_TOKEN_NAME		29
+#define LEVELINFO_TOKEN_LEVELS		30
+#define LEVELINFO_TOKEN_SORT_PRIORITY	31
+#define LEVELINFO_TOKEN_READONLY	32
+
+#define FIRST_GLOBAL_SETUP_TOKEN	SETUP_TOKEN_PLAYER_NAME
+#define LAST_GLOBAL_SETUP_TOKEN		SETUP_TOKEN_TEAM_MODE
 
 #define FIRST_PLAYER_SETUP_TOKEN	SETUP_TOKEN_USE_JOYSTICK
 #define LAST_PLAYER_SETUP_TOKEN		SETUP_TOKEN_KEY_BOMB
 
+#define FIRST_LEVELINFO_TOKEN		LEVELINFO_TOKEN_NAME
+#define LAST_LEVELINFO_TOKEN		LEVELINFO_TOKEN_READONLY
+
 #define TYPE_BOOLEAN			1
 #define TYPE_SWITCH			2
 #define TYPE_KEYSYM			3
@@ -521,6 +833,7 @@ void SaveScore(int level_nr)
 
 static struct SetupInfo si;
 static struct SetupInputInfo sii;
+static struct LevelDirInfo ldi;
 static struct
 {
   int type;
@@ -528,6 +841,8 @@ static struct
   char *text;
 } token_info[] =
 {
+  /* global setup */
+  { TYPE_STRING,  &si.player_name,	"player_name"			},
   { TYPE_SWITCH,  &si.sound,		"sound"				},
   { TYPE_SWITCH,  &si.sound_loops,	"repeating_sound_loops"		},
   { TYPE_SWITCH,  &si.sound_music,	"background_music"		},
@@ -539,9 +854,9 @@ static struct
   { TYPE_SWITCH,  &si.fading,		"screen_fading"			},
   { TYPE_SWITCH,  &si.autorecord,	"automatic_tape_recording"	},
   { TYPE_SWITCH,  &si.quick_doors,	"quick_doors"			},
-  { TYPE_STRING,  &si.alias_name,	"alias_name"			},
+  { TYPE_SWITCH,  &si.team_mode,	"team_mode"			},
 
-  /* for each player: */
+  /* player setup */
   { TYPE_BOOLEAN, &sii.use_joystick,	".use_joystick"			},
   { TYPE_STRING,  &sii.joy.device_name,	".joy.device_name"		},
   { TYPE_INTEGER, &sii.joy.xleft,	".joy.xleft"			},
@@ -557,7 +872,13 @@ static struct
   { TYPE_KEYSYM,  &sii.key.up,		".key.move_up"			},
   { TYPE_KEYSYM,  &sii.key.down,	".key.move_down"		},
   { TYPE_KEYSYM,  &sii.key.snap,	".key.snap_field"		},
-  { TYPE_KEYSYM,  &sii.key.bomb,	".key.place_bomb"		}
+  { TYPE_KEYSYM,  &sii.key.bomb,	".key.place_bomb"		},
+
+  /* level directory info */
+  { TYPE_STRING,  &ldi.name,		"name"				},
+  { TYPE_INTEGER, &ldi.levels,		"levels"			},
+  { TYPE_INTEGER, &ldi.sort_priority,	"sort_priority"			},
+  { TYPE_BOOLEAN, &ldi.readonly,	"readonly"			}
 };
 
 static char *string_tolower(char *s)
@@ -715,7 +1036,7 @@ static struct SetupFileList *loadSetupFileList(char *filename)
 
   if (!(file = fopen(filename, "r")))
   {
-    Error(ERR_WARN, "cannot open setup file '%s'", filename);
+    Error(ERR_WARN, "cannot open configuration file '%s'", filename);
     return NULL;
   }
 
@@ -783,8 +1104,8 @@ static struct SetupFileList *loadSetupFileList(char *filename)
   setup_file_list->next = NULL;
   freeSetupFileList(setup_file_list);
 
-  if (!first_valid_list_entry)
-    Error(ERR_WARN, "setup file is empty");
+  if (first_valid_list_entry == NULL)
+    Error(ERR_WARN, "configuration file '%s' is empty", filename);
 
   return first_valid_list_entry;
 }
@@ -799,7 +1120,7 @@ static void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
   {
     if (strcmp(setup_file_list->value, identifier) != 0)
     {
-      Error(ERR_WARN, "setup file has wrong version");
+      Error(ERR_WARN, "configuration file has wrong version");
       return;
     }
     else
@@ -810,37 +1131,42 @@ static void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
     checkSetupFileListIdentifier(setup_file_list->next, identifier);
   else
   {
-    Error(ERR_WARN, "setup file has no version information");
+    Error(ERR_WARN, "configuration file has no version information");
     return;
   }
 }
 
+static void setLevelDirInfoToDefaults(struct LevelDirInfo *ldi)
+{
+  ldi->name = getStringCopy("non-existing");
+  ldi->levels = 0;
+  ldi->sort_priority = 999;	/* default: least priority */
+  ldi->readonly = TRUE;
+}
+
 static void setSetupInfoToDefaults(struct SetupInfo *si)
 {
   int i;
 
+  si->player_name = getStringCopy(getLoginName());
+
   si->sound = TRUE;
-  si->sound_loops = FALSE;
-  si->sound_music = FALSE;
-  si->sound_simple = FALSE;
+  si->sound_loops = TRUE;
+  si->sound_music = TRUE;
+  si->sound_simple = TRUE;
   si->toons = TRUE;
   si->double_buffering = TRUE;
   si->direct_draw = !si->double_buffering;
-  si->scroll_delay = FALSE;
+  si->scroll_delay = TRUE;
   si->soft_scrolling = TRUE;
   si->fading = FALSE;
-  si->autorecord = FALSE;
+  si->autorecord = TRUE;
   si->quick_doors = FALSE;
 
-  strncpy(si->login_name, GetLoginName(), MAX_NAMELEN-1);
-  si->login_name[MAX_NAMELEN-1] = '\0';
-  strncpy(si->alias_name, GetLoginName(), MAX_NAMELEN-1);
-  si->alias_name[MAX_NAMELEN-1] = '\0';
-
   for (i=0; i<MAX_PLAYERS; i++)
   {
     si->input[i].use_joystick = FALSE;
-    strcpy(si->input[i].joy.device_name, joystick_device_name[i]);
+    si->input[i].joy.device_name = getStringCopy(joystick_device_name[i]);
     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
@@ -883,7 +1209,9 @@ static void setSetupInfo(int token_nr, char *token_value)
       break;
 
     case TYPE_STRING:
-      strcpy((char *)setup_value, token_value);
+      if (*(char **)setup_value != NULL)
+	free(*(char **)setup_value);
+      *(char **)setup_value = getStringCopy(token_value);
       break;
 
     default:
@@ -963,15 +1291,164 @@ int getLastPlayedLevelOfLevelSeries(char *level_series_name)
   return last_level_nr;
 }
 
+static int compareLevelDirInfoEntries(const void *object1, const void *object2)
+{
+  const struct LevelDirInfo *entry1 = object1;
+  const struct LevelDirInfo *entry2 = object2;
+  int compare_result;
+
+  if (entry1->sort_priority != entry2->sort_priority)
+    compare_result = entry1->sort_priority - entry2->sort_priority;
+  else
+  {
+    char *name1 = getStringToLower(entry1->name);
+    char *name2 = getStringToLower(entry2->name);
+
+    compare_result = strcmp(name1, name2);
+
+    free(name1);
+    free(name2);
+  }
+
+  return compare_result;
+}
+
+static int LoadLevelInfoFromLevelDir(char *level_directory, int start_entry)
+{
+  DIR *dir;
+  struct stat file_status;
+  char *directory = NULL;
+  char *filename = NULL;
+  struct SetupFileList *setup_file_list = NULL;
+  struct dirent *dir_entry;
+  int i, current_entry = start_entry;
+
+  if ((dir = opendir(level_directory)) == NULL)
+  {
+    Error(ERR_WARN, "cannot read level directory '%s'", level_directory);
+    return current_entry;
+  }
+
+  while (current_entry < MAX_LEVDIR_ENTRIES)
+  {
+    if ((dir_entry = readdir(dir)) == NULL)	/* last directory entry */
+      break;
+
+    /* skip entries for current and parent directory */
+    if (strcmp(dir_entry->d_name, ".")  == 0 ||
+	strcmp(dir_entry->d_name, "..") == 0)
+      continue;
+
+    /* find out if directory entry is itself a directory */
+    directory = getPath2(level_directory, dir_entry->d_name);
+    if (stat(directory, &file_status) != 0 ||		/* cannot stat file */
+	(file_status.st_mode & S_IFMT) != S_IFDIR)	/* not a directory */
+    {
+      free(directory);
+      continue;
+    }
+
+    filename = getPath2(directory, LEVELINFO_FILENAME);
+    setup_file_list = loadSetupFileList(filename);
+
+    if (setup_file_list)
+    {
+      checkSetupFileListIdentifier(setup_file_list, LEVELINFO_COOKIE);
+      setLevelDirInfoToDefaults(&leveldir[current_entry]);
+
+      ldi = leveldir[current_entry];
+      for (i=FIRST_LEVELINFO_TOKEN; i<=LAST_LEVELINFO_TOKEN; i++)
+	setSetupInfo(i, getTokenValue(setup_file_list, token_info[i].text));
+      leveldir[current_entry] = ldi;
+
+      leveldir[current_entry].filename = getStringCopy(dir_entry->d_name);
+      leveldir[current_entry].user_defined =
+	(level_directory == options.level_directory ? FALSE : TRUE);
+
+      freeSetupFileList(setup_file_list);
+      current_entry++;
+    }
+    else
+      Error(ERR_WARN, "ignoring level directory '%s'", directory);
+
+    free(directory);
+    free(filename);
+  }
+
+  if (current_entry == MAX_LEVDIR_ENTRIES)
+    Error(ERR_WARN, "using %d level directories -- ignoring the rest",
+	  current_entry);
+
+  closedir(dir);
+
+  if (current_entry == start_entry)
+    Error(ERR_WARN, "cannot find any valid level series in directory '%s'",
+	  level_directory);
+
+  return current_entry;
+}
+
+void LoadLevelInfo()
+{
+  InitUserLevelDirectory(getLoginName());
+
+  num_leveldirs = 0;
+  leveldir_nr = 0;
+
+  num_leveldirs = LoadLevelInfoFromLevelDir(options.level_directory,
+					    num_leveldirs);
+  num_leveldirs = LoadLevelInfoFromLevelDir(getUserLevelDir(""),
+					    num_leveldirs);
+
+  if (num_leveldirs == 0)
+    Error(ERR_EXIT, "cannot find any valid level series in any directory");
+
+  if (num_leveldirs > 1)
+    qsort(leveldir, num_leveldirs, sizeof(struct LevelDirInfo),
+	  compareLevelDirInfoEntries);
+}
+
+static void SaveUserLevelInfo()
+{
+  char *filename;
+  FILE *file;
+  int i;
+
+  filename = getPath2(getUserLevelDir(getLoginName()), LEVELINFO_FILENAME);
+
+  if (!(file = fopen(filename, "w")))
+  {
+    Error(ERR_WARN, "cannot write level info file '%s'", filename);
+    free(filename);
+    return;
+  }
+
+  ldi.name = getLoginName();
+  ldi.levels = 100;
+  ldi.sort_priority = 300;
+  ldi.readonly = FALSE;
+
+  fprintf(file, "%s\n\n",
+	  getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER, LEVELINFO_COOKIE));
+
+  for (i=FIRST_LEVELINFO_TOKEN; i<=LAST_LEVELINFO_TOKEN; i++)
+    fprintf(file, "%s\n", getSetupLine("", i));
+
+  fclose(file);
+  free(filename);
+
+  chmod(filename, SETUP_PERMS);
+}
+
 void LoadSetup()
 {
-  char filename[MAX_FILENAME_LEN];
+  char *filename;
   struct SetupFileList *setup_file_list = NULL;
 
-  /* always start with reliable default setup values */
+  /* always start with reliable default values */
   setSetupInfoToDefaults(&setup);
 
-  sprintf(filename, "%s/%s", SETUP_PATH, SETUP_FILENAME);
+  filename = getPath2(getSetupDir(), SETUP_FILENAME);
 
   setup_file_list = loadSetupFileList(filename);
 
@@ -983,9 +1460,23 @@ void LoadSetup()
     setup.direct_draw = !setup.double_buffering;
 
     freeSetupFileList(setup_file_list);
+
+    /* needed to work around problems with fixed length strings */
+    if (strlen(setup.player_name) >= MAX_NAMELEN)
+      setup.player_name[MAX_NAMELEN - 1] = '\0';
+    else if (strlen(setup.player_name) < MAX_NAMELEN - 1)
+    {
+      char *new_name = checked_malloc(MAX_NAMELEN);
+
+      strcpy(new_name, setup.player_name);
+      free(setup.player_name);
+      setup.player_name = new_name;
+    }
   }
   else
     Error(ERR_WARN, "using default setup values");
+
+  free(filename);
 }
 
 static char *getSetupLine(char *prefix, int token_nr)
@@ -1041,7 +1532,7 @@ static char *getSetupLine(char *prefix, int token_nr)
       break;
 
     case TYPE_STRING:
-      strcat(entry, (char *)setup_value);
+      strcat(entry, *(char **)setup_value);
       break;
 
     default:
@@ -1054,14 +1545,17 @@ static char *getSetupLine(char *prefix, int token_nr)
 void SaveSetup()
 {
   int i, pnr;
-  char filename[MAX_FILENAME_LEN];
+  char *filename;
   FILE *file;
 
-  sprintf(filename, "%s/%s", SETUP_PATH, SETUP_FILENAME);
+  InitUserDataDirectory();
+
+  filename = getPath2(getSetupDir(), SETUP_FILENAME);
 
   if (!(file = fopen(filename, "w")))
   {
     Error(ERR_WARN, "cannot write setup file '%s'", filename);
+    free(filename);
     return;
   }
 
@@ -1073,11 +1567,11 @@ void SaveSetup()
   si = setup;
   for (i=FIRST_GLOBAL_SETUP_TOKEN; i<=LAST_GLOBAL_SETUP_TOKEN; i++)
   {
+    fprintf(file, "%s\n", getSetupLine("", i));
+
     /* just to make things nicer :) */
-    if (i == SETUP_TOKEN_ALIAS_NAME)
+    if (i == SETUP_TOKEN_PLAYER_NAME)
       fprintf(file, "\n");
-
-    fprintf(file, "%s\n", getSetupLine("", i));
   }
 
   /* handle player specific setup values */
@@ -1094,20 +1588,20 @@ void SaveSetup()
   }
 
   fclose(file);
+  free(filename);
 
   chmod(filename, SETUP_PERMS);
 }
 
 void LoadLevelSetup()
 {
-  char filename[MAX_FILENAME_LEN];
-
-  /* always start with reliable default setup values */
+  char *filename;
 
+  /* always start with reliable default values */
   leveldir_nr = 0;
   level_nr = 0;
 
-  sprintf(filename, "%s/%s", SETUP_PATH, LEVELSETUP_FILENAME);
+  filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
 
   if (level_setup_list)
     freeSetupFileList(level_setup_list);
@@ -1125,32 +1619,40 @@ void LoadLevelSetup()
     checkSetupFileListIdentifier(level_setup_list, LEVELSETUP_COOKIE);
   }
   else
+  {
+    level_setup_list = newSetupFileList(TOKEN_STR_FILE_IDENTIFIER,
+					LEVELSETUP_COOKIE);
     Error(ERR_WARN, "using default setup values");
+  }
+
+  free(filename);
 }
 
 void SaveLevelSetup()
 {
-  char filename[MAX_FILENAME_LEN];
+  char *filename;
   struct SetupFileList *list_entry = level_setup_list;
   FILE *file;
 
+  InitUserDataDirectory();
+
   setTokenValue(level_setup_list,
 		TOKEN_STR_LAST_LEVEL_SERIES, leveldir[leveldir_nr].filename);
 
   setTokenValue(level_setup_list,
 		leveldir[leveldir_nr].filename, int2str(level_nr, 0));
 
-  sprintf(filename, "%s/%s", SETUP_PATH, LEVELSETUP_FILENAME);
+  filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
 
   if (!(file = fopen(filename, "w")))
   {
     Error(ERR_WARN, "cannot write setup file '%s'", filename);
+    free(filename);
     return;
   }
 
-  fprintf(file, "%s:              %s\n\n",
-	  TOKEN_STR_FILE_IDENTIFIER, LEVELSETUP_COOKIE);
-
+  fprintf(file, "%s\n\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
+						 LEVELSETUP_COOKIE));
   while (list_entry)
   {
     if (strcmp(list_entry->token, TOKEN_STR_FILE_IDENTIFIER) != 0)
@@ -1165,6 +1667,67 @@ void SaveLevelSetup()
   }
 
   fclose(file);
+  free(filename);
 
   chmod(filename, SETUP_PERMS);
 }
+
+#ifdef MSDOS
+static boolean initErrorFile()
+{
+  char *filename;
+  FILE *error_file;
+
+  InitUserDataDirectory();
+
+  filename = getPath2(getUserDataDir(), ERROR_FILENAME);
+  error_file = fopen(filename, "w");
+  free(filename);
+
+  if (error_file == NULL)
+    return FALSE;
+
+  fclose(error_file);
+
+  return TRUE;
+}
+
+FILE *openErrorFile()
+{
+  static boolean first_access = TRUE;
+  char *filename;
+  FILE *error_file;
+
+  if (first_access)
+  {
+    if (!initErrorFile())
+      return NULL;
+
+    first_access = FALSE;
+  }
+
+  filename = getPath2(getUserDataDir(), ERROR_FILENAME);
+  error_file = fopen(filename, "a");
+  free(filename);
+
+  return error_file;
+}
+
+void dumpErrorFile()
+{
+  char *filename;
+  FILE *error_file;
+
+  filename = getPath2(getUserDataDir(), ERROR_FILENAME);
+  error_file = fopen(filename, "r");
+  free(filename);
+
+  if (error_file != NULL)
+  {
+    while (!feof(error_file))
+      fputc(fgetc(error_file), stderr);
+
+    fclose(error_file);
+  }
+}
+#endif