+/***********************************************************
+* Artsoft Retro-Game Library *
+*----------------------------------------------------------*
+* (c) 1994-2002 Artsoft Entertainment *
+* Holger Schemel *
+* Detmolder Strasse 189 *
+* 33604 Bielefeld *
+* Germany *
+* e-mail: info@artsoft.org *
+*----------------------------------------------------------*
+* setup.c *
+***********************************************************/
+
+#include <dirent.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "setup.h"
+#include "joystick.h"
+#include "text.h"
+#include "misc.h"
+
+
+/* file identifier strings */
+#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"
+
+/* file names and filename extensions */
+#if !defined(PLATFORM_MSDOS)
+#define LEVELSETUP_DIRECTORY "levelsetup"
+#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 LEVELSETUP_DIRECTORY "lvlsetup"
+#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"
+#endif
+
+#define NUM_LEVELCLASS_DESC 8
+static char *levelclass_desc[NUM_LEVELCLASS_DESC] =
+{
+ "Tutorial Levels",
+ "Classic Originals",
+ "Contributions",
+ "Private Levels",
+ "Boulderdash",
+ "Emerald Mine",
+ "Supaplex",
+ "DX Boulderdash"
+};
+
+#define LEVELCOLOR(n) (IS_LEVELCLASS_TUTORIAL(n) ? FC_BLUE : \
+ IS_LEVELCLASS_CLASSICS(n) ? FC_RED : \
+ IS_LEVELCLASS_BD(n) ? FC_GREEN : \
+ IS_LEVELCLASS_EM(n) ? FC_YELLOW : \
+ IS_LEVELCLASS_SP(n) ? FC_GREEN : \
+ IS_LEVELCLASS_DX(n) ? FC_YELLOW : \
+ IS_LEVELCLASS_CONTRIBUTION(n) ? FC_GREEN : \
+ IS_LEVELCLASS_USER(n) ? FC_RED : \
+ FC_BLUE)
+
+#define LEVELSORTING(n) (IS_LEVELCLASS_TUTORIAL(n) ? 0 : \
+ IS_LEVELCLASS_CLASSICS(n) ? 1 : \
+ IS_LEVELCLASS_BD(n) ? 2 : \
+ IS_LEVELCLASS_EM(n) ? 3 : \
+ IS_LEVELCLASS_SP(n) ? 4 : \
+ IS_LEVELCLASS_DX(n) ? 5 : \
+ IS_LEVELCLASS_CONTRIBUTION(n) ? 6 : \
+ IS_LEVELCLASS_USER(n) ? 7 : \
+ 9)
+
+/* values for setup file stuff */
+#define TYPE_BOOLEAN 1
+#define TYPE_SWITCH 2
+#define TYPE_KEY 3
+#define TYPE_INTEGER 4
+#define TYPE_STRING 5
+
+#define TOKEN_STR_FILE_IDENTIFIER "file_identifier"
+
+#define TOKEN_VALUE_POSITION 30
+
+struct SetupFileList
+{
+ char *token;
+ char *value;
+ struct SetupFileList *next;
+};
+
+struct TokenInfo
+{
+ int type;
+ void *value;
+ char *text;
+};
+
+
+/* ------------------------------------------------------------------------- */
+/* file functions */
+/* ------------------------------------------------------------------------- */
+
+/*
+int get_string_integer_value(char *);
+boolean get_string_boolean_value(char *);
+char *getFormattedSetupEntry(char *, char *);
+void freeSetupFileList(struct SetupFileList *);
+char *getTokenValue(struct SetupFileList *, char *);
+struct SetupFileList *loadSetupFileList(char *);
+void checkSetupFileListIdentifier(struct SetupFileList *, char *);
+*/
+
+char *getLevelClassDescription(struct LevelDirInfo *ldi)
+{
+ int position = ldi->sort_priority / 100;
+
+ if (position >= 0 && position < NUM_LEVELCLASS_DESC)
+ return levelclass_desc[position];
+ else
+ return "Unknown Level Class";
+}
+
+/* for 'InitUserLevelDir()' */
+static void SaveUserLevelInfo();
+
+/* for 'SaveUserLevelInfo()' */
+static char *getSetupLine(struct TokenInfo *, char *, int);
+
+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 = options.rw_base_directory;
+ 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 *getLevelSetupDir(char *level_subdir)
+{
+ static char *levelsetup_dir = NULL;
+ char *data_dir = getUserDataDir();
+ char *levelsetup_subdir = LEVELSETUP_DIRECTORY;
+
+ if (levelsetup_dir)
+ free(levelsetup_dir);
+
+ if (strlen(level_subdir) > 0)
+ levelsetup_dir = getPath3(data_dir, levelsetup_subdir, level_subdir);
+ else
+ levelsetup_dir = getPath2(data_dir, levelsetup_subdir);
+
+ return levelsetup_dir;
+}
+
+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_current->user_defined ?
+ getUserLevelDir("") :
+ options.level_directory),
+ leveldir_current->fullpath,
+ basename);
+
+ return filename;
+}
+
+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_current->filename), basename);
+
+ return filename;
+}
+
+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_current->filename), basename);
+
+ return filename;
+}
+
+void InitTapeDirectory(char *level_subdir)
+{
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+ createDirectory(getTapeDir(""), "main tape", PERMS_PRIVATE);
+ createDirectory(getTapeDir(level_subdir), "level tape", PERMS_PRIVATE);
+}
+
+void InitScoreDirectory(char *level_subdir)
+{
+ createDirectory(getScoreDir(""), "main score", PERMS_PUBLIC);
+ createDirectory(getScoreDir(level_subdir), "level score", PERMS_PUBLIC);
+}
+
+void InitUserLevelDirectory(char *level_subdir)
+{
+ if (access(getUserLevelDir(level_subdir), F_OK) != 0)
+ {
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+ createDirectory(getUserLevelDir(""), "main user level", PERMS_PRIVATE);
+ createDirectory(getUserLevelDir(level_subdir), "user level",PERMS_PRIVATE);
+
+ SaveUserLevelInfo();
+ }
+}
+
+void InitLevelSetupDirectory(char *level_subdir)
+{
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+ createDirectory(getLevelSetupDir(""), "main level setup", PERMS_PRIVATE);
+ createDirectory(getLevelSetupDir(level_subdir), "level setup",PERMS_PRIVATE);
+}
+
+void ReadChunk_VERS(FILE *file, int *file_version, int *game_version)
+{
+ int file_version_major, file_version_minor, file_version_patch;
+ int game_version_major, game_version_minor, game_version_patch;
+
+ file_version_major = fgetc(file);
+ file_version_minor = fgetc(file);
+ file_version_patch = fgetc(file);
+ fgetc(file); /* not used */
+
+ game_version_major = fgetc(file);
+ game_version_minor = fgetc(file);
+ game_version_patch = fgetc(file);
+ fgetc(file); /* not used */
+
+ *file_version = VERSION_IDENT(file_version_major,
+ file_version_minor,
+ file_version_patch);
+
+ *game_version = VERSION_IDENT(game_version_major,
+ game_version_minor,
+ game_version_patch);
+}
+
+void WriteChunk_VERS(FILE *file, int file_version, int game_version)
+{
+ int file_version_major = VERSION_MAJOR(file_version);
+ int file_version_minor = VERSION_MINOR(file_version);
+ int file_version_patch = VERSION_PATCH(file_version);
+ int game_version_major = VERSION_MAJOR(game_version);
+ int game_version_minor = VERSION_MINOR(game_version);
+ int game_version_patch = VERSION_PATCH(game_version);
+
+ fputc(file_version_major, file);
+ fputc(file_version_minor, file);
+ fputc(file_version_patch, file);
+ fputc(0, file); /* not used */
+
+ fputc(game_version_major, file);
+ fputc(game_version_minor, file);
+ fputc(game_version_patch, file);
+ fputc(0, file); /* not used */
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* some functions to handle lists of level directories */
+/* ------------------------------------------------------------------------- */
+
+struct LevelDirInfo *newLevelDirInfo()
+{
+ return checked_calloc(sizeof(struct LevelDirInfo));
+}
+
+void pushLevelDirInfo(struct LevelDirInfo **node_first,
+ struct LevelDirInfo *node_new)
+{
+ node_new->next = *node_first;
+ *node_first = node_new;
+}
+
+int numLevelDirInfo(struct LevelDirInfo *node)
+{
+ int num = 0;
+
+ while (node)
+ {
+ num++;
+ node = node->next;
+ }
+
+ return num;
+}
+
+boolean validLevelSeries(struct LevelDirInfo *node)
+{
+ return (node != NULL && !node->node_group && !node->parent_link);
+}
+
+struct LevelDirInfo *getFirstValidLevelSeries(struct LevelDirInfo *node)
+{
+ if (node == NULL)
+ {
+ if (leveldir_first) /* start with first level directory entry */
+ return getFirstValidLevelSeries(leveldir_first);
+ else
+ return NULL;
+ }
+ else if (node->node_group) /* enter level group (step down into tree) */
+ return getFirstValidLevelSeries(node->node_group);
+ else if (node->parent_link) /* skip start entry of level group */
+ {
+ if (node->next) /* get first real level series entry */
+ return getFirstValidLevelSeries(node->next);
+ else /* leave empty level group and go on */
+ return getFirstValidLevelSeries(node->node_parent->next);
+ }
+ else /* this seems to be a regular level series */
+ return node;
+}
+
+struct LevelDirInfo *getLevelDirInfoFirstGroupEntry(struct LevelDirInfo *node)
+{
+ if (node == NULL)
+ return NULL;
+
+ if (node->node_parent == NULL) /* top level group */
+ return leveldir_first;
+ else /* sub level group */
+ return node->node_parent->node_group;
+}
+
+int numLevelDirInfoInGroup(struct LevelDirInfo *node)
+{
+ return numLevelDirInfo(getLevelDirInfoFirstGroupEntry(node));
+}
+
+int posLevelDirInfo(struct LevelDirInfo *node)
+{
+ struct LevelDirInfo *node_cmp = getLevelDirInfoFirstGroupEntry(node);
+ int pos = 0;
+
+ while (node_cmp)
+ {
+ if (node_cmp == node)
+ return pos;
+
+ pos++;
+ node_cmp = node_cmp->next;
+ }
+
+ return 0;
+}
+
+struct LevelDirInfo *getLevelDirInfoFromPos(struct LevelDirInfo *node, int pos)
+{
+ struct LevelDirInfo *node_default = node;
+ int pos_cmp = 0;
+
+ while (node)
+ {
+ if (pos_cmp == pos)
+ return node;
+
+ pos_cmp++;
+ node = node->next;
+ }
+
+ return node_default;
+}
+
+struct LevelDirInfo *getLevelDirInfoFromFilenameExt(struct LevelDirInfo *node,
+ char *filename)
+{
+ if (filename == NULL)
+ return NULL;
+
+ while (node)
+ {
+ if (node->node_group)
+ {
+ struct LevelDirInfo *node_group;
+
+ node_group = getLevelDirInfoFromFilenameExt(node->node_group, filename);
+
+ if (node_group)
+ return node_group;
+ }
+ else if (!node->parent_link)
+ {
+ if (strcmp(filename, node->filename) == 0)
+ return node;
+ }
+
+ node = node->next;
+ }
+
+ return NULL;
+}
+
+struct LevelDirInfo *getLevelDirInfoFromFilename(char *filename)
+{
+ return getLevelDirInfoFromFilenameExt(leveldir_first, filename);
+}
+
+void dumpLevelDirInfo(struct LevelDirInfo *node, int depth)
+{
+ int i;
+
+ while (node)
+ {
+ for (i=0; i<depth * 3; i++)
+ printf(" ");
+
+ printf("filename == '%s'\n", node->filename);
+
+ if (node->node_group != NULL)
+ dumpLevelDirInfo(node->node_group, depth + 1);
+
+ node = node->next;
+ }
+}
+
+void sortLevelDirInfo(struct LevelDirInfo **node_first,
+ int (*compare_function)(const void *, const void *))
+{
+ int num_nodes = numLevelDirInfo(*node_first);
+ struct LevelDirInfo **sort_array;
+ struct LevelDirInfo *node = *node_first;
+ int i = 0;
+
+ if (num_nodes == 0)
+ return;
+
+ /* allocate array for sorting structure pointers */
+ sort_array = checked_calloc(num_nodes * sizeof(struct LevelDirInfo *));
+
+ /* writing structure pointers to sorting array */
+ while (i < num_nodes && node) /* double boundary check... */
+ {
+ sort_array[i] = node;
+
+ i++;
+ node = node->next;
+ }
+
+ /* sorting the structure pointers in the sorting array */
+ qsort(sort_array, num_nodes, sizeof(struct LevelDirInfo *),
+ compare_function);
+
+ /* update the linkage of list elements with the sorted node array */
+ for (i=0; i<num_nodes - 1; i++)
+ sort_array[i]->next = sort_array[i + 1];
+ sort_array[num_nodes - 1]->next = NULL;
+
+ /* update the linkage of the main list anchor pointer */
+ *node_first = sort_array[0];
+
+ free(sort_array);
+
+ /* now recursively sort the level group structures */
+ node = *node_first;
+ while (node)
+ {
+ if (node->node_group != NULL)
+ sortLevelDirInfo(&node->node_group, compare_function);
+
+ node = node->next;
+ }
+}
+
+
+/* ========================================================================= */
+/* some stuff from "files.c" */
+/* ========================================================================= */
+
+#if defined(PLATFORM_WIN32)
+#ifndef S_IRGRP
+#define S_IRGRP S_IRUSR
+#endif
+#ifndef S_IROTH
+#define S_IROTH S_IRUSR
+#endif
+#ifndef S_IWGRP
+#define S_IWGRP S_IWUSR
+#endif
+#ifndef S_IWOTH
+#define S_IWOTH S_IWUSR
+#endif
+#ifndef S_IXGRP
+#define S_IXGRP S_IXUSR
+#endif
+#ifndef S_IXOTH
+#define S_IXOTH S_IXUSR
+#endif
+#ifndef S_IRWXG
+#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
+#endif
+#ifndef S_ISGID
+#define S_ISGID 0
+#endif
+#endif /* PLATFORM_WIN32 */
+
+/* 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 MODE_W_PRIVATE (S_IWUSR)
+#define MODE_W_PUBLIC (S_IWUSR | S_IWGRP)
+#define MODE_W_PUBLIC_DIR (S_IWUSR | S_IWGRP | S_ISGID)
+
+#define DIR_PERMS_PRIVATE (MODE_R_ALL | MODE_X_ALL | MODE_W_PRIVATE)
+#define DIR_PERMS_PUBLIC (MODE_R_ALL | MODE_X_ALL | MODE_W_PUBLIC_DIR)
+
+#define FILE_PERMS_PRIVATE (MODE_R_ALL | MODE_W_PRIVATE)
+#define FILE_PERMS_PUBLIC (MODE_R_ALL | MODE_W_PUBLIC)
+
+char *getUserDataDir(void)
+{
+ static char *userdata_dir = NULL;
+
+ if (!userdata_dir)
+ {
+ char *home_dir = getHomeDir();
+ char *data_dir = program.userdata_directory;
+
+ userdata_dir = getPath2(home_dir, data_dir);
+ }
+
+ return userdata_dir;
+}
+
+char *getSetupDir()
+{
+ return getUserDataDir();
+}
+
+static mode_t posix_umask(mode_t mask)
+{
+#if defined(PLATFORM_UNIX)
+ return umask(mask);
+#else
+ return 0;
+#endif
+}
+
+static int posix_mkdir(const char *pathname, mode_t mode)
+{
+#if defined(PLATFORM_WIN32)
+ return mkdir(pathname);
+#else
+ return mkdir(pathname, mode);
+#endif
+}
+
+void createDirectory(char *dir, char *text, int permission_class)
+{
+ /* leave "other" permissions in umask untouched, but ensure group parts
+ of USERDATA_DIR_MODE are not masked */
+ mode_t dir_mode = (permission_class == PERMS_PRIVATE ?
+ DIR_PERMS_PRIVATE : DIR_PERMS_PUBLIC);
+ mode_t normal_umask = posix_umask(0);
+ mode_t group_umask = ~(dir_mode & S_IRWXG);
+ posix_umask(normal_umask & group_umask);
+
+ if (access(dir, F_OK) != 0)
+ if (posix_mkdir(dir, dir_mode) != 0)
+ Error(ERR_WARN, "cannot create %s directory '%s'", text, dir);
+
+ posix_umask(normal_umask); /* reset normal umask */
+}
+
+void InitUserDataDirectory()
+{
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+}
+
+void SetFilePermissions(char *filename, int permission_class)
+{
+ chmod(filename, (permission_class == PERMS_PRIVATE ?
+ FILE_PERMS_PRIVATE : FILE_PERMS_PUBLIC));
+}
+
+int getFileVersionFromCookieString(const char *cookie)
+{
+ const char *ptr_cookie1, *ptr_cookie2;
+ const char *pattern1 = "_FILE_VERSION_";
+ const char *pattern2 = "?.?";
+ const int len_cookie = strlen(cookie);
+ const int len_pattern1 = strlen(pattern1);
+ const int len_pattern2 = strlen(pattern2);
+ const int len_pattern = len_pattern1 + len_pattern2;
+ int version_major, version_minor;
+
+ if (len_cookie <= len_pattern)
+ return -1;
+
+ ptr_cookie1 = &cookie[len_cookie - len_pattern];
+ ptr_cookie2 = &cookie[len_cookie - len_pattern2];
+
+ if (strncmp(ptr_cookie1, pattern1, len_pattern1) != 0)
+ return -1;
+
+ if (ptr_cookie2[0] < '0' || ptr_cookie2[0] > '9' ||
+ ptr_cookie2[1] != '.' ||
+ ptr_cookie2[2] < '0' || ptr_cookie2[2] > '9')
+ return -1;
+
+ version_major = ptr_cookie2[0] - '0';
+ version_minor = ptr_cookie2[2] - '0';
+
+ return VERSION_IDENT(version_major, version_minor, 0);
+}
+
+boolean checkCookieString(const char *cookie, const char *template)
+{
+ const char *pattern = "_FILE_VERSION_?.?";
+ const int len_cookie = strlen(cookie);
+ const int len_template = strlen(template);
+ const int len_pattern = strlen(pattern);
+
+ if (len_cookie != len_template)
+ return FALSE;
+
+ if (strncmp(cookie, template, len_cookie - len_pattern) != 0)
+ return FALSE;
+
+ return TRUE;
+}
+
+/* ------------------------------------------------------------------------- */
+/* setup file list handling functions */
+/* ------------------------------------------------------------------------- */
+
+int get_string_integer_value(char *s)
+{
+ static char *number_text[][3] =
+ {
+ { "0", "zero", "null", },
+ { "1", "one", "first" },
+ { "2", "two", "second" },
+ { "3", "three", "third" },
+ { "4", "four", "fourth" },
+ { "5", "five", "fifth" },
+ { "6", "six", "sixth" },
+ { "7", "seven", "seventh" },
+ { "8", "eight", "eighth" },
+ { "9", "nine", "ninth" },
+ { "10", "ten", "tenth" },
+ { "11", "eleven", "eleventh" },
+ { "12", "twelve", "twelfth" },
+ };
+
+ int i, j;
+ char *s_lower = getStringToLower(s);
+ int result = -1;
+
+ for (i=0; i<13; i++)
+ for (j=0; j<3; j++)
+ if (strcmp(s_lower, number_text[i][j]) == 0)
+ result = i;
+
+ if (result == -1)
+ result = atoi(s);
+
+ free(s_lower);
+
+ return result;
+}
+
+boolean get_string_boolean_value(char *s)
+{
+ char *s_lower = getStringToLower(s);
+ boolean result = FALSE;
+
+ if (strcmp(s_lower, "true") == 0 ||
+ strcmp(s_lower, "yes") == 0 ||
+ strcmp(s_lower, "on") == 0 ||
+ get_string_integer_value(s) == 1)
+ result = TRUE;
+
+ free(s_lower);
+
+ return result;
+}
+
+char *getFormattedSetupEntry(char *token, char *value)
+{
+ int i;
+ static char entry[MAX_LINE_LEN];
+
+ sprintf(entry, "%s:", token);
+ for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
+ entry[i] = ' ';
+ entry[i] = '\0';
+
+ strcat(entry, value);
+
+ return entry;
+}
+
+void freeSetupFileList(struct SetupFileList *setup_file_list)
+{
+ if (!setup_file_list)
+ return;
+
+ if (setup_file_list->token)
+ free(setup_file_list->token);
+ if (setup_file_list->value)
+ free(setup_file_list->value);
+ if (setup_file_list->next)
+ freeSetupFileList(setup_file_list->next);
+ free(setup_file_list);
+}
+
+static struct SetupFileList *newSetupFileList(char *token, char *value)
+{
+ struct SetupFileList *new = checked_malloc(sizeof(struct SetupFileList));
+
+ new->token = checked_malloc(strlen(token) + 1);
+ strcpy(new->token, token);
+
+ new->value = checked_malloc(strlen(value) + 1);
+ strcpy(new->value, value);
+
+ new->next = NULL;
+
+ return new;
+}
+
+char *getTokenValue(struct SetupFileList *setup_file_list, char *token)
+{
+ if (!setup_file_list)
+ return NULL;
+
+ if (strcmp(setup_file_list->token, token) == 0)
+ return setup_file_list->value;
+ else
+ return getTokenValue(setup_file_list->next, token);
+}
+
+static void setTokenValue(struct SetupFileList *setup_file_list,
+ char *token, char *value)
+{
+ if (!setup_file_list)
+ return;
+
+ if (strcmp(setup_file_list->token, token) == 0)
+ {
+ free(setup_file_list->value);
+ setup_file_list->value = checked_malloc(strlen(value) + 1);
+ strcpy(setup_file_list->value, value);
+ }
+ else if (setup_file_list->next == NULL)
+ setup_file_list->next = newSetupFileList(token, value);
+ else
+ setTokenValue(setup_file_list->next, token, value);
+}
+
+#ifdef DEBUG
+static void printSetupFileList(struct SetupFileList *setup_file_list)
+{
+ if (!setup_file_list)
+ return;
+
+ printf("token: '%s'\n", setup_file_list->token);
+ printf("value: '%s'\n", setup_file_list->value);
+
+ printSetupFileList(setup_file_list->next);
+}
+#endif
+
+struct SetupFileList *loadSetupFileList(char *filename)
+{
+ int line_len;
+ char line[MAX_LINE_LEN];
+ char *token, *value, *line_ptr;
+ struct SetupFileList *setup_file_list = newSetupFileList("", "");
+ struct SetupFileList *first_valid_list_entry;
+
+ FILE *file;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ Error(ERR_WARN, "cannot open configuration file '%s'", filename);
+ return NULL;
+ }
+
+ while(!feof(file))
+ {
+ /* read next line of input file */
+ if (!fgets(line, MAX_LINE_LEN, file))
+ break;
+
+ /* cut trailing comment or whitespace from input line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == '#' || *line_ptr == '\n' || *line_ptr == '\r')
+ {
+ *line_ptr = '\0';
+ break;
+ }
+ }
+
+ /* cut trailing whitespaces from input line */
+ for (line_ptr = &line[strlen(line)]; line_ptr > line; line_ptr--)
+ if ((*line_ptr == ' ' || *line_ptr == '\t') && line_ptr[1] == '\0')
+ *line_ptr = '\0';
+
+ /* ignore empty lines */
+ if (*line == '\0')
+ continue;
+
+ line_len = strlen(line);
+
+ /* cut leading whitespaces from token */
+ for (token = line; *token; token++)
+ if (*token != ' ' && *token != '\t')
+ break;
+
+ /* find end of token */
+ for (line_ptr = token; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == ' ' || *line_ptr == '\t' || *line_ptr == ':')
+ {
+ *line_ptr = '\0';
+ break;
+ }
+ }
+
+ if (line_ptr < line + line_len)
+ value = line_ptr + 1;
+ else
+ value = "\0";
+
+ /* cut leading whitespaces from value */
+ for (; *value; value++)
+ if (*value != ' ' && *value != '\t')
+ break;
+
+ if (*token && *value)
+ setTokenValue(setup_file_list, token, value);
+ }
+
+ fclose(file);
+
+ first_valid_list_entry = setup_file_list->next;
+
+ /* free empty list header */
+ setup_file_list->next = NULL;
+ freeSetupFileList(setup_file_list);
+
+ if (first_valid_list_entry == NULL)
+ Error(ERR_WARN, "configuration file '%s' is empty", filename);
+
+ return first_valid_list_entry;
+}
+
+void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
+ char *identifier)
+{
+ if (!setup_file_list)
+ return;
+
+ if (strcmp(setup_file_list->token, TOKEN_STR_FILE_IDENTIFIER) == 0)
+ {
+ if (strcmp(setup_file_list->value, identifier) != 0)
+ {
+ Error(ERR_WARN, "configuration file has wrong version");
+ return;
+ }
+ else
+ return;
+ }
+
+ if (setup_file_list->next)
+ checkSetupFileListIdentifier(setup_file_list->next, identifier);
+ else
+ {
+ Error(ERR_WARN, "configuration file has no version information");
+ return;
+ }
+}
+
+
+/* ========================================================================= */
+/* setup file stuff */
+/* ========================================================================= */
+
+#define TOKEN_STR_LAST_LEVEL_SERIES "last_level_series"
+#define TOKEN_STR_LAST_PLAYED_LEVEL "last_played_level"
+#define TOKEN_STR_HANDICAP_LEVEL "handicap_level"
+#define TOKEN_STR_PLAYER_PREFIX "player_"
+
+/* 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_SCROLL_DELAY 5
+#define SETUP_TOKEN_SOFT_SCROLLING 6
+#define SETUP_TOKEN_FADING 7
+#define SETUP_TOKEN_AUTORECORD 8
+#define SETUP_TOKEN_QUICK_DOORS 9
+#define SETUP_TOKEN_TEAM_MODE 10
+#define SETUP_TOKEN_HANDICAP 11
+#define SETUP_TOKEN_TIME_LIMIT 12
+#define SETUP_TOKEN_FULLSCREEN 13
+
+/* player setup */
+#define SETUP_TOKEN_USE_JOYSTICK 0
+#define SETUP_TOKEN_JOY_DEVICE_NAME 1
+#define SETUP_TOKEN_JOY_XLEFT 2
+#define SETUP_TOKEN_JOY_XMIDDLE 3
+#define SETUP_TOKEN_JOY_XRIGHT 4
+#define SETUP_TOKEN_JOY_YUPPER 5
+#define SETUP_TOKEN_JOY_YMIDDLE 6
+#define SETUP_TOKEN_JOY_YLOWER 7
+#define SETUP_TOKEN_JOY_SNAP 8
+#define SETUP_TOKEN_JOY_BOMB 9
+#define SETUP_TOKEN_KEY_LEFT 10
+#define SETUP_TOKEN_KEY_RIGHT 11
+#define SETUP_TOKEN_KEY_UP 12
+#define SETUP_TOKEN_KEY_DOWN 13
+#define SETUP_TOKEN_KEY_SNAP 14
+#define SETUP_TOKEN_KEY_BOMB 15
+
+/* level directory info */
+#define LEVELINFO_TOKEN_NAME 0
+#define LEVELINFO_TOKEN_NAME_SHORT 1
+#define LEVELINFO_TOKEN_NAME_SORTING 2
+#define LEVELINFO_TOKEN_AUTHOR 3
+#define LEVELINFO_TOKEN_IMPORTED_FROM 4
+#define LEVELINFO_TOKEN_LEVELS 5
+#define LEVELINFO_TOKEN_FIRST_LEVEL 6
+#define LEVELINFO_TOKEN_SORT_PRIORITY 7
+#define LEVELINFO_TOKEN_LEVEL_GROUP 8
+#define LEVELINFO_TOKEN_READONLY 9
+
+#define FIRST_GLOBAL_SETUP_TOKEN SETUP_TOKEN_PLAYER_NAME
+#define LAST_GLOBAL_SETUP_TOKEN SETUP_TOKEN_FULLSCREEN
+
+#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
+
+static struct SetupInfo si;
+static struct SetupInputInfo sii;
+static struct LevelDirInfo ldi;
+static struct TokenInfo global_setup_tokens[] =
+{
+ /* 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" },
+ { TYPE_SWITCH, &si.sound_simple, "simple_sound_effects" },
+ { TYPE_SWITCH, &si.scroll_delay, "scroll_delay" },
+ { TYPE_SWITCH, &si.soft_scrolling, "soft_scrolling" },
+ { TYPE_SWITCH, &si.fading, "screen_fading" },
+ { TYPE_SWITCH, &si.autorecord, "automatic_tape_recording" },
+ { TYPE_SWITCH, &si.quick_doors, "quick_doors" },
+ { TYPE_SWITCH, &si.team_mode, "team_mode" },
+ { TYPE_SWITCH, &si.handicap, "handicap" },
+ { TYPE_SWITCH, &si.time_limit, "time_limit" },
+ { TYPE_SWITCH, &si.fullscreen, "fullscreen" }
+};
+
+static struct TokenInfo player_setup_tokens[] =
+{
+ /* 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" },
+ { TYPE_INTEGER, &sii.joy.xmiddle, ".joy.xmiddle" },
+ { TYPE_INTEGER, &sii.joy.xright, ".joy.xright" },
+ { TYPE_INTEGER, &sii.joy.yupper, ".joy.yupper" },
+ { TYPE_INTEGER, &sii.joy.ymiddle, ".joy.ymiddle" },
+ { TYPE_INTEGER, &sii.joy.ylower, ".joy.ylower" },
+ { TYPE_INTEGER, &sii.joy.snap, ".joy.snap_field" },
+ { TYPE_INTEGER, &sii.joy.bomb, ".joy.place_bomb" },
+ { TYPE_KEY, &sii.key.left, ".key.move_left" },
+ { TYPE_KEY, &sii.key.right, ".key.move_right" },
+ { TYPE_KEY, &sii.key.up, ".key.move_up" },
+ { TYPE_KEY, &sii.key.down, ".key.move_down" },
+ { TYPE_KEY, &sii.key.snap, ".key.snap_field" },
+ { TYPE_KEY, &sii.key.bomb, ".key.place_bomb" }
+};
+
+static struct TokenInfo levelinfo_tokens[] =
+{
+ /* level directory info */
+ { TYPE_STRING, &ldi.name, "name" },
+ { TYPE_STRING, &ldi.name_short, "name_short" },
+ { TYPE_STRING, &ldi.name_sorting, "name_sorting" },
+ { TYPE_STRING, &ldi.author, "author" },
+ { TYPE_STRING, &ldi.imported_from, "imported_from" },
+ { TYPE_INTEGER, &ldi.levels, "levels" },
+ { TYPE_INTEGER, &ldi.first_level, "first_level" },
+ { TYPE_INTEGER, &ldi.sort_priority, "sort_priority" },
+ { TYPE_BOOLEAN, &ldi.level_group, "level_group" },
+ { TYPE_BOOLEAN, &ldi.readonly, "readonly" }
+};
+
+static void setLevelDirInfoToDefaults(struct LevelDirInfo *ldi)
+{
+ ldi->filename = NULL;
+ ldi->fullpath = NULL;
+ ldi->basepath = NULL;
+ ldi->name = getStringCopy(ANONYMOUS_NAME);
+ ldi->name_short = NULL;
+ ldi->name_sorting = NULL;
+ ldi->author = getStringCopy(ANONYMOUS_NAME);
+ ldi->imported_from = NULL;
+ ldi->levels = 0;
+ ldi->first_level = 0;
+ ldi->last_level = 0;
+ ldi->sort_priority = LEVELCLASS_UNDEFINED; /* default: least priority */
+ ldi->level_group = FALSE;
+ ldi->parent_link = FALSE;
+ ldi->user_defined = FALSE;
+ ldi->readonly = TRUE;
+ ldi->color = 0;
+ ldi->class_desc = NULL;
+ ldi->handicap_level = 0;
+ ldi->cl_first = -1;
+ ldi->cl_cursor = -1;
+
+ ldi->node_parent = NULL;
+ ldi->node_group = NULL;
+ ldi->next = NULL;
+}
+
+static void setLevelDirInfoToDefaultsFromParent(struct LevelDirInfo *ldi,
+ struct LevelDirInfo *parent)
+{
+ if (parent == NULL)
+ {
+ setLevelDirInfoToDefaults(ldi);
+ return;
+ }
+
+ /* first copy all values from the parent structure ... */
+ *ldi = *parent;
+
+ /* ... then set all fields to default that cannot be inherited from parent.
+ This is especially important for all those fields that can be set from
+ the 'levelinfo.conf' config file, because the function 'setSetupInfo()'
+ calls 'free()' for all already set token values which requires that no
+ other structure's pointer may point to them!
+ */
+
+ ldi->filename = NULL;
+ ldi->fullpath = NULL;
+ ldi->basepath = NULL;
+ ldi->name = getStringCopy(ANONYMOUS_NAME);
+ ldi->name_short = NULL;
+ ldi->name_sorting = NULL;
+ ldi->author = getStringCopy(parent->author);
+ ldi->imported_from = getStringCopy(parent->imported_from);
+
+ ldi->level_group = FALSE;
+ ldi->parent_link = FALSE;
+
+ ldi->node_parent = parent;
+ ldi->node_group = NULL;
+ ldi->next = NULL;
+}
+
+static void setSetupInfoToDefaults(struct SetupInfo *si)
+{
+ int i;
+
+ si->player_name = getStringCopy(getLoginName());
+
+ si->sound = TRUE;
+ 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 = TRUE;
+ si->soft_scrolling = TRUE;
+ si->fading = FALSE;
+ si->autorecord = TRUE;
+ si->quick_doors = FALSE;
+ si->team_mode = FALSE;
+ si->handicap = TRUE;
+ si->time_limit = TRUE;
+ si->fullscreen = FALSE;
+
+ for (i=0; i<MAX_PLAYERS; i++)
+ {
+ si->input[i].use_joystick = FALSE;
+ si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
+ si->input[i].joy.xleft = JOYSTICK_XLEFT;
+ si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
+ si->input[i].joy.xright = JOYSTICK_XRIGHT;
+ si->input[i].joy.yupper = JOYSTICK_YUPPER;
+ si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
+ si->input[i].joy.ylower = JOYSTICK_YLOWER;
+ si->input[i].joy.snap = (i == 0 ? JOY_BUTTON_1 : 0);
+ si->input[i].joy.bomb = (i == 0 ? JOY_BUTTON_2 : 0);
+ si->input[i].key.left = (i == 0 ? DEFAULT_KEY_LEFT : KSYM_UNDEFINED);
+ si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
+ si->input[i].key.up = (i == 0 ? DEFAULT_KEY_UP : KSYM_UNDEFINED);
+ si->input[i].key.down = (i == 0 ? DEFAULT_KEY_DOWN : KSYM_UNDEFINED);
+ si->input[i].key.snap = (i == 0 ? DEFAULT_KEY_SNAP : KSYM_UNDEFINED);
+ si->input[i].key.bomb = (i == 0 ? DEFAULT_KEY_BOMB : KSYM_UNDEFINED);
+ }
+}
+
+static void setSetupInfo(struct TokenInfo *token_info,
+ int token_nr, char *token_value)
+{
+ int token_type = token_info[token_nr].type;
+ void *setup_value = token_info[token_nr].value;
+
+ if (token_value == NULL)
+ return;
+
+ /* set setup field to corresponding token value */
+ switch (token_type)
+ {
+ case TYPE_BOOLEAN:
+ case TYPE_SWITCH:
+ *(boolean *)setup_value = get_string_boolean_value(token_value);
+ break;
+
+ case TYPE_KEY:
+ *(Key *)setup_value = getKeyFromX11KeyName(token_value);
+ break;
+
+ case TYPE_INTEGER:
+ *(int *)setup_value = get_string_integer_value(token_value);
+ break;
+
+ case TYPE_STRING:
+ if (*(char **)setup_value != NULL)
+ free(*(char **)setup_value);
+ *(char **)setup_value = getStringCopy(token_value);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void decodeSetupFileList(struct SetupFileList *setup_file_list)
+{
+ int i, pnr;
+
+ if (!setup_file_list)
+ return;
+
+ /* handle global setup values */
+ si = setup;
+ for (i=FIRST_GLOBAL_SETUP_TOKEN; i<=LAST_GLOBAL_SETUP_TOKEN; i++)
+ setSetupInfo(global_setup_tokens, i,
+ getTokenValue(setup_file_list, global_setup_tokens[i].text));
+ setup = si;
+
+ /* handle player specific setup values */
+ for (pnr=0; pnr<MAX_PLAYERS; pnr++)
+ {
+ char prefix[30];
+
+ sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
+
+ sii = setup.input[pnr];
+ for (i=FIRST_PLAYER_SETUP_TOKEN; i<=LAST_PLAYER_SETUP_TOKEN; i++)
+ {
+ char full_token[100];
+
+ sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
+ setSetupInfo(player_setup_tokens, i,
+ getTokenValue(setup_file_list, full_token));
+ }
+ setup.input[pnr] = sii;
+ }
+}
+
+static int compareLevelDirInfoEntries(const void *object1, const void *object2)
+{
+ const struct LevelDirInfo *entry1 = *((struct LevelDirInfo **)object1);
+ const struct LevelDirInfo *entry2 = *((struct LevelDirInfo **)object2);
+ int compare_result;
+
+ if (entry1->parent_link || entry2->parent_link)
+ compare_result = (entry1->parent_link ? -1 : +1);
+ else if (entry1->sort_priority == entry2->sort_priority)
+ {
+ char *name1 = getStringToLower(entry1->name_sorting);
+ char *name2 = getStringToLower(entry2->name_sorting);
+
+ compare_result = strcmp(name1, name2);
+
+ free(name1);
+ free(name2);
+ }
+ else if (LEVELSORTING(entry1) == LEVELSORTING(entry2))
+ compare_result = entry1->sort_priority - entry2->sort_priority;
+ else
+ compare_result = LEVELSORTING(entry1) - LEVELSORTING(entry2);
+
+ return compare_result;
+}
+
+static void createParentLevelDirNode(struct LevelDirInfo *node_parent)
+{
+ struct LevelDirInfo *leveldir_new = newLevelDirInfo();
+
+ setLevelDirInfoToDefaults(leveldir_new);
+
+ leveldir_new->node_parent = node_parent;
+ leveldir_new->parent_link = TRUE;
+
+ leveldir_new->name = ".. (parent directory)";
+ leveldir_new->name_short = getStringCopy(leveldir_new->name);
+ leveldir_new->name_sorting = getStringCopy(leveldir_new->name);
+
+ leveldir_new->filename = "..";
+ leveldir_new->fullpath = getStringCopy(node_parent->fullpath);
+
+ leveldir_new->sort_priority = node_parent->sort_priority;
+ leveldir_new->class_desc = getLevelClassDescription(leveldir_new);
+
+ pushLevelDirInfo(&node_parent->node_group, leveldir_new);
+}
+
+static void LoadLevelInfoFromLevelDir(struct LevelDirInfo **node_first,
+ struct LevelDirInfo *node_parent,
+ char *level_directory)
+{
+ DIR *dir;
+ struct dirent *dir_entry;
+ boolean valid_entry_found = FALSE;
+
+ if ((dir = opendir(level_directory)) == NULL)
+ {
+ Error(ERR_WARN, "cannot read level directory '%s'", level_directory);
+ return;
+ }
+
+ while ((dir_entry = readdir(dir)) != NULL) /* loop until last dir entry */
+ {
+ struct SetupFileList *setup_file_list = NULL;
+ struct stat file_status;
+ char *directory_name = dir_entry->d_name;
+ char *directory_path = getPath2(level_directory, directory_name);
+ char *filename = NULL;
+
+ /* skip entries for current and parent directory */
+ if (strcmp(directory_name, ".") == 0 ||
+ strcmp(directory_name, "..") == 0)
+ {
+ free(directory_path);
+ continue;
+ }
+
+ /* find out if directory entry is itself a directory */
+ if (stat(directory_path, &file_status) != 0 || /* cannot stat file */
+ (file_status.st_mode & S_IFMT) != S_IFDIR) /* not a directory */
+ {
+ free(directory_path);
+ continue;
+ }
+
+ filename = getPath2(directory_path, LEVELINFO_FILENAME);
+ setup_file_list = loadSetupFileList(filename);
+
+ if (setup_file_list)
+ {
+ struct LevelDirInfo *leveldir_new = newLevelDirInfo();
+ int i;
+
+ checkSetupFileListIdentifier(setup_file_list, LEVELINFO_COOKIE);
+ setLevelDirInfoToDefaultsFromParent(leveldir_new, node_parent);
+
+ /* set all structure fields according to the token/value pairs */
+ ldi = *leveldir_new;
+ for (i=FIRST_LEVELINFO_TOKEN; i<=LAST_LEVELINFO_TOKEN; i++)
+ setSetupInfo(levelinfo_tokens, i,
+ getTokenValue(setup_file_list, levelinfo_tokens[i].text));
+ *leveldir_new = ldi;
+
+ DrawInitText(leveldir_new->name, 150, FC_YELLOW);
+
+ if (leveldir_new->name_short == NULL)
+ leveldir_new->name_short = getStringCopy(leveldir_new->name);
+
+ if (leveldir_new->name_sorting == NULL)
+ leveldir_new->name_sorting = getStringCopy(leveldir_new->name);
+
+ leveldir_new->filename = getStringCopy(directory_name);
+
+ if (node_parent == NULL) /* top level group */
+ {
+ leveldir_new->basepath = level_directory;
+ leveldir_new->fullpath = leveldir_new->filename;
+ }
+ else /* sub level group */
+ {
+ leveldir_new->basepath = node_parent->basepath;
+ leveldir_new->fullpath = getPath2(node_parent->fullpath,
+ directory_name);
+ }
+
+ if (leveldir_new->levels < 1)
+ leveldir_new->levels = 1;
+
+ leveldir_new->last_level =
+ leveldir_new->first_level + leveldir_new->levels - 1;
+
+ leveldir_new->user_defined =
+ (leveldir_new->basepath == options.level_directory ? FALSE : TRUE);
+
+ leveldir_new->color = LEVELCOLOR(leveldir_new);
+ leveldir_new->class_desc = getLevelClassDescription(leveldir_new);
+
+ leveldir_new->handicap_level = /* set handicap to default value */
+ (leveldir_new->user_defined ?
+ leveldir_new->last_level :
+ leveldir_new->first_level);
+
+ pushLevelDirInfo(node_first, leveldir_new);
+
+ freeSetupFileList(setup_file_list);
+ valid_entry_found = TRUE;
+
+ if (leveldir_new->level_group)
+ {
+ /* create node to link back to current level directory */
+ createParentLevelDirNode(leveldir_new);
+
+ /* step into sub-directory and look for more level series */
+ LoadLevelInfoFromLevelDir(&leveldir_new->node_group,
+ leveldir_new, directory_path);
+ }
+ }
+ else
+ Error(ERR_WARN, "ignoring level directory '%s'", directory_path);
+
+ free(directory_path);
+ free(filename);
+ }
+
+ closedir(dir);
+
+ if (!valid_entry_found)
+ Error(ERR_WARN, "cannot find any valid level series in directory '%s'",
+ level_directory);
+}
+
+void LoadLevelInfo()
+{
+ InitUserLevelDirectory(getLoginName());
+
+ DrawInitText("Loading level series:", 120, FC_GREEN);
+
+ LoadLevelInfoFromLevelDir(&leveldir_first, NULL, options.level_directory);
+ LoadLevelInfoFromLevelDir(&leveldir_first, NULL, getUserLevelDir(""));
+
+ leveldir_current = getFirstValidLevelSeries(leveldir_first);
+
+ if (leveldir_first == NULL)
+ Error(ERR_EXIT, "cannot find any valid level series in any directory");
+
+ sortLevelDirInfo(&leveldir_first, compareLevelDirInfoEntries);
+
+#if 0
+ dumpLevelDirInfo(leveldir_first, 0);
+#endif
+}
+
+static void SaveUserLevelInfo()
+{
+ char *filename;
+ FILE *file;
+ int i;
+
+ filename = getPath2(getUserLevelDir(getLoginName()), LEVELINFO_FILENAME);
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot write level info file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ /* always start with reliable default values */
+ setLevelDirInfoToDefaults(&ldi);
+
+ ldi.name = getLoginName();
+ ldi.author = getRealName();
+ ldi.levels = 100;
+ ldi.first_level = 1;
+ ldi.sort_priority = LEVELCLASS_USER_START;
+ 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++)
+ if (i != LEVELINFO_TOKEN_NAME_SHORT &&
+ i != LEVELINFO_TOKEN_NAME_SORTING &&
+ i != LEVELINFO_TOKEN_IMPORTED_FROM)
+ fprintf(file, "%s\n", getSetupLine(levelinfo_tokens, "", i));
+
+ fclose(file);
+ free(filename);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}
+
+void LoadSetup()
+{
+ char *filename;
+ struct SetupFileList *setup_file_list = NULL;
+
+ /* always start with reliable default values */
+ setSetupInfoToDefaults(&setup);
+
+ filename = getPath2(getSetupDir(), SETUP_FILENAME);
+
+ setup_file_list = loadSetupFileList(filename);
+
+ if (setup_file_list)
+ {
+ checkSetupFileListIdentifier(setup_file_list, SETUP_COOKIE);
+ decodeSetupFileList(setup_file_list);
+
+ 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_PLAYER_NAME_LEN)
+ setup.player_name[MAX_PLAYER_NAME_LEN] = '\0';
+ else if (strlen(setup.player_name) < MAX_PLAYER_NAME_LEN)
+ {
+ char *new_name = checked_malloc(MAX_PLAYER_NAME_LEN + 1);
+
+ 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(struct TokenInfo *token_info,
+ char *prefix, int token_nr)
+{
+ int i;
+ static char entry[MAX_LINE_LEN];
+ int token_type = token_info[token_nr].type;
+ void *setup_value = token_info[token_nr].value;
+ char *token_text = token_info[token_nr].text;
+
+ /* start with the prefix, token and some spaces to format output line */
+ sprintf(entry, "%s%s:", prefix, token_text);
+ for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
+ strcat(entry, " ");
+
+ /* continue with the token's value (which can have different types) */
+ switch (token_type)
+ {
+ case TYPE_BOOLEAN:
+ strcat(entry, (*(boolean *)setup_value ? "true" : "false"));
+ break;
+
+ case TYPE_SWITCH:
+ strcat(entry, (*(boolean *)setup_value ? "on" : "off"));
+ break;
+
+ case TYPE_KEY:
+ {
+ Key key = *(Key *)setup_value;
+ char *keyname = getKeyNameFromKey(key);
+
+ strcat(entry, getX11KeyNameFromKey(key));
+ for (i=strlen(entry); i<50; i++)
+ strcat(entry, " ");
+
+ /* add comment, if useful */
+ if (strcmp(keyname, "(undefined)") != 0 &&
+ strcmp(keyname, "(unknown)") != 0)
+ {
+ strcat(entry, "# ");
+ strcat(entry, keyname);
+ }
+ }
+ break;
+
+ case TYPE_INTEGER:
+ {
+ char buffer[MAX_LINE_LEN];
+
+ sprintf(buffer, "%d", *(int *)setup_value);
+ strcat(entry, buffer);
+ }
+ break;
+
+ case TYPE_STRING:
+ strcat(entry, *(char **)setup_value);
+ break;
+
+ default:
+ break;
+ }
+
+ return entry;
+}
+
+void SaveSetup()
+{
+ int i, pnr;
+ char *filename;
+ FILE *file;
+
+ InitUserDataDirectory();
+
+ filename = getPath2(getSetupDir(), SETUP_FILENAME);
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot write setup file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ fprintf(file, "%s\n",
+ getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER, SETUP_COOKIE));
+ fprintf(file, "\n");
+
+ /* handle global setup values */
+ si = setup;
+ for (i=FIRST_GLOBAL_SETUP_TOKEN; i<=LAST_GLOBAL_SETUP_TOKEN; i++)
+ {
+ fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
+
+ /* just to make things nicer :) */
+ if (i == SETUP_TOKEN_PLAYER_NAME)
+ fprintf(file, "\n");
+ }
+
+ /* handle player specific setup values */
+ for (pnr=0; pnr<MAX_PLAYERS; pnr++)
+ {
+ char prefix[30];
+
+ sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
+ fprintf(file, "\n");
+
+ sii = setup.input[pnr];
+ for (i=FIRST_PLAYER_SETUP_TOKEN; i<=LAST_PLAYER_SETUP_TOKEN; i++)
+ fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
+ }
+
+ fclose(file);
+ free(filename);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}
+
+void LoadLevelSetup_LastSeries()
+{
+ char *filename;
+ struct SetupFileList *level_setup_list = NULL;
+
+ /* always start with reliable default values */
+ leveldir_current = getFirstValidLevelSeries(leveldir_first);
+
+ /* ----------------------------------------------------------------------- */
+ /* ~/.rocksndiamonds/levelsetup.conf */
+ /* ----------------------------------------------------------------------- */
+
+ filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
+
+ if ((level_setup_list = loadSetupFileList(filename)))
+ {
+ char *last_level_series =
+ getTokenValue(level_setup_list, TOKEN_STR_LAST_LEVEL_SERIES);
+
+ leveldir_current = getLevelDirInfoFromFilename(last_level_series);
+ if (leveldir_current == NULL)
+ leveldir_current = leveldir_first;
+
+ checkSetupFileListIdentifier(level_setup_list, LEVELSETUP_COOKIE);
+
+ freeSetupFileList(level_setup_list);
+ }
+ else
+ Error(ERR_WARN, "using default setup values");
+
+ free(filename);
+}
+
+void SaveLevelSetup_LastSeries()
+{
+ char *filename;
+ char *level_subdir = leveldir_current->filename;
+ FILE *file;
+
+ /* ----------------------------------------------------------------------- */
+ /* ~/.rocksndiamonds/levelsetup.conf */
+ /* ----------------------------------------------------------------------- */
+
+ InitUserDataDirectory();
+
+ filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot write setup file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ fprintf(file, "%s\n\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
+ LEVELSETUP_COOKIE));
+ fprintf(file, "%s\n", getFormattedSetupEntry(TOKEN_STR_LAST_LEVEL_SERIES,
+ level_subdir));
+
+ fclose(file);
+ free(filename);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}
+
+static void checkSeriesInfo()
+{
+ static char *level_directory = NULL;
+ DIR *dir;
+ struct dirent *dir_entry;
+
+ /* check for more levels besides the 'levels' field of 'levelinfo.conf' */
+
+ level_directory = getPath2((leveldir_current->user_defined ?
+ getUserLevelDir("") :
+ options.level_directory),
+ leveldir_current->fullpath);
+
+ if ((dir = opendir(level_directory)) == NULL)
+ {
+ Error(ERR_WARN, "cannot read level directory '%s'", level_directory);
+ return;
+ }
+
+ while ((dir_entry = readdir(dir)) != NULL) /* last directory entry */
+ {
+ if (strlen(dir_entry->d_name) > 4 &&
+ dir_entry->d_name[3] == '.' &&
+ strcmp(&dir_entry->d_name[4], LEVELFILE_EXTENSION) == 0)
+ {
+ char levelnum_str[4];
+ int levelnum_value;
+
+ strncpy(levelnum_str, dir_entry->d_name, 3);
+ levelnum_str[3] = '\0';
+
+ levelnum_value = atoi(levelnum_str);
+
+ if (levelnum_value < leveldir_current->first_level)
+ {
+ Error(ERR_WARN, "additional level %d found", levelnum_value);
+ leveldir_current->first_level = levelnum_value;
+ }
+ else if (levelnum_value > leveldir_current->last_level)
+ {
+ Error(ERR_WARN, "additional level %d found", levelnum_value);
+ leveldir_current->last_level = levelnum_value;
+ }
+ }
+ }
+
+ closedir(dir);
+}
+
+void LoadLevelSetup_SeriesInfo()
+{
+ char *filename;
+ struct SetupFileList *level_setup_list = NULL;
+ char *level_subdir = leveldir_current->filename;
+
+ /* always start with reliable default values */
+ level_nr = leveldir_current->first_level;
+
+ checkSeriesInfo(leveldir_current);
+
+ /* ----------------------------------------------------------------------- */
+ /* ~/.rocksndiamonds/levelsetup/<level series>/levelsetup.conf */
+ /* ----------------------------------------------------------------------- */
+
+ level_subdir = leveldir_current->filename;
+
+ filename = getPath2(getLevelSetupDir(level_subdir), LEVELSETUP_FILENAME);
+
+ if ((level_setup_list = loadSetupFileList(filename)))
+ {
+ char *token_value;
+
+ token_value = getTokenValue(level_setup_list, TOKEN_STR_LAST_PLAYED_LEVEL);
+
+ if (token_value)
+ {
+ level_nr = atoi(token_value);
+
+ if (level_nr < leveldir_current->first_level)
+ level_nr = leveldir_current->first_level;
+ if (level_nr > leveldir_current->last_level)
+ level_nr = leveldir_current->last_level;
+ }
+
+ token_value = getTokenValue(level_setup_list, TOKEN_STR_HANDICAP_LEVEL);
+
+ if (token_value)
+ {
+ int level_nr = atoi(token_value);
+
+ if (level_nr < leveldir_current->first_level)
+ level_nr = leveldir_current->first_level;
+ if (level_nr > leveldir_current->last_level + 1)
+ level_nr = leveldir_current->last_level;
+
+ if (leveldir_current->user_defined)
+ level_nr = leveldir_current->last_level;
+
+ leveldir_current->handicap_level = level_nr;
+ }
+
+ checkSetupFileListIdentifier(level_setup_list, LEVELSETUP_COOKIE);
+
+ freeSetupFileList(level_setup_list);
+ }
+ else
+ Error(ERR_WARN, "using default setup values");
+
+ free(filename);
+}
+
+void SaveLevelSetup_SeriesInfo()
+{
+ char *filename;
+ char *level_subdir = leveldir_current->filename;
+ char *level_nr_str = int2str(level_nr, 0);
+ char *handicap_level_str = int2str(leveldir_current->handicap_level, 0);
+ FILE *file;
+
+ /* ----------------------------------------------------------------------- */
+ /* ~/.rocksndiamonds/levelsetup/<level series>/levelsetup.conf */
+ /* ----------------------------------------------------------------------- */
+
+ InitLevelSetupDirectory(level_subdir);
+
+ filename = getPath2(getLevelSetupDir(level_subdir), LEVELSETUP_FILENAME);
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot write setup file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ fprintf(file, "%s\n\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
+ LEVELSETUP_COOKIE));
+ fprintf(file, "%s\n", getFormattedSetupEntry(TOKEN_STR_LAST_PLAYED_LEVEL,
+ level_nr_str));
+ fprintf(file, "%s\n", getFormattedSetupEntry(TOKEN_STR_HANDICAP_LEVEL,
+ handicap_level_str));
+
+ fclose(file);
+ free(filename);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}