*counter_var = actual_counter;
}
+/* int2str() returns a number converted to a string;
+ the used memory is static, but will be overwritten by later calls,
+ so if you want to save the result, copy it to a private string buffer;
+ there can be 10 local calls of int2str() without buffering the result --
+ the 11th call will then destroy the result from the first call and so on.
+*/
+
char *int2str(int number, int size)
{
- static char s[40];
+ static char shift_array[10][40];
+ static int shift_counter = 0;
+ char *s = shift_array[shift_counter];
+
+ shift_counter = (shift_counter + 1) % 10;
if (size > 20)
size = 20;
char *getStringCopy(char *s)
{
- char *s_copy = checked_malloc(strlen(s) + 1);
+ char *s_copy;
+
+ if (s == NULL)
+ return NULL;
+
+ s_copy = checked_malloc(strlen(s) + 1);
strcpy(s_copy, s);
return s_copy;
while (*s)
*s_ptr++ = tolower(*s++);
+ *s_ptr = '\0';
return s_copy;
}
options.display_name = NULL;
options.server_host = NULL;
options.server_port = 0;
- options.base_directory = BASE_PATH;
- options.level_directory = BASE_PATH "/" LEVELS_DIRECTORY;
+ options.ro_base_directory = RO_BASE_PATH;
+ options.rw_base_directory = RW_BASE_PATH;
+ options.level_directory = RO_BASE_PATH "/" LEVELS_DIRECTORY;
options.serveronly = FALSE;
options.network = FALSE;
options.verbose = FALSE;
"Options:\n"
" -d, --display machine:0 X server display\n"
" -b, --basepath directory alternative base directory\n"
- " -l, --levels directory alternative level directory\n"
+ " -l, --level directory alternative level directory\n"
" -s, --serveronly only start network server\n"
" -n, --network network multiplayer game\n"
" -v, --verbose verbose mode\n",
if (option_arg == NULL)
Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
- options.base_directory = option_arg;
+ /* this should be extended to separate options for ro and rw data */
+ options.ro_base_directory = option_arg;
+ options.rw_base_directory = option_arg;
if (option_arg == next_option)
options_left++;
/* adjust path for level directory accordingly */
options.level_directory =
- getPath2(options.base_directory, LEVELS_DIRECTORY);
+ getPath2(options.ro_base_directory, LEVELS_DIRECTORY);
}
else if (strncmp(option, "-levels", option_len) == 0)
{
return ptr;
}
-void getFileChunk(FILE *file, char *chunk_buffer, int *chunk_length,
- int byte_order)
+short getFile16BitInteger(FILE *file, int byte_order)
{
- const int chunk_identifier_length = 4;
-
- fgets(chunk_buffer, chunk_identifier_length + 1, file);
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ return ((fgetc(file) << 8) |
+ (fgetc(file) << 0));
+ else /* BYTE_ORDER_LITTLE_ENDIAN */
+ return ((fgetc(file) << 0) |
+ (fgetc(file) << 8));
+}
+void putFile16BitInteger(FILE *file, short value, int byte_order)
+{
if (byte_order == BYTE_ORDER_BIG_ENDIAN)
- *chunk_length = ((fgetc(file) << 24) |
- (fgetc(file) << 16) |
- (fgetc(file) << 8) |
- (fgetc(file) << 0));
+ {
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 0) & 0xff, file);
+ }
else /* BYTE_ORDER_LITTLE_ENDIAN */
- *chunk_length = ((fgetc(file) << 0) |
- (fgetc(file) << 8) |
- (fgetc(file) << 16) |
- (fgetc(file) << 24));
+ {
+ fputc((value >> 0) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ }
}
-void putFileChunk(FILE *file, char *chunk_name, int chunk_length,
- int byte_order)
+int getFile32BitInteger(FILE *file, int byte_order)
{
- fputs(chunk_name, file);
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ return ((fgetc(file) << 24) |
+ (fgetc(file) << 16) |
+ (fgetc(file) << 8) |
+ (fgetc(file) << 0));
+ else /* BYTE_ORDER_LITTLE_ENDIAN */
+ return ((fgetc(file) << 0) |
+ (fgetc(file) << 8) |
+ (fgetc(file) << 16) |
+ (fgetc(file) << 24));
+}
+void putFile32BitInteger(FILE *file, int value, int byte_order)
+{
if (byte_order == BYTE_ORDER_BIG_ENDIAN)
{
- 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((value >> 24) & 0xff, file);
+ fputc((value >> 16) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 0) & 0xff, file);
}
else /* BYTE_ORDER_LITTLE_ENDIAN */
{
- fputc((chunk_length >> 0) & 0xff, file);
- fputc((chunk_length >> 8) & 0xff, file);
- fputc((chunk_length >> 16) & 0xff, file);
- fputc((chunk_length >> 24) & 0xff, file);
+ fputc((value >> 0) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 16) & 0xff, file);
+ fputc((value >> 24) & 0xff, file);
}
}
+void getFileChunk(FILE *file, char *chunk_buffer, int *chunk_length,
+ int byte_order)
+{
+ const int chunk_identifier_length = 4;
+
+ /* read chunk identifier */
+ fgets(chunk_buffer, chunk_identifier_length + 1, file);
+
+ /* read chunk length */
+ *chunk_length = getFile32BitInteger(file, byte_order);
+}
+
+void putFileChunk(FILE *file, char *chunk_name, int chunk_length,
+ int byte_order)
+{
+ /* write chunk identifier */
+ fputs(chunk_name, file);
+
+ /* write chunk length */
+ putFile32BitInteger(file, chunk_length, byte_order);
+}
+
#define TRANSLATE_KEYSYM_TO_KEYNAME 0
#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
#define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
return joystick_nr;
}
-/* ----------------------------------------------------------------- */
-/* the following is only for debugging purpose and normally 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) /* start with first level directory entry */
+ return getFirstValidLevelSeries(leveldir_first);
+ 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;
+ }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* the following is only for debugging purpose and normally not used */
+/* ------------------------------------------------------------------------- */
#define DEBUG_NUM_TIMESTAMPS 3
projects / rocksndiamonds.git / blobdiff