X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fmisc.c;h=87152ceb58e739cf098c07b5c4c7e68fa054bb71;hb=be2766c926ff78b2985565fd9c12390eb5655112;hp=8fe3200d3c4a28b22675eeccd81a9fc00f7450da;hpb=2d603d06ca862f3ca0721b66f62da188faf866c4;p=rocksndiamonds.git diff --git a/src/libgame/misc.c b/src/libgame/misc.c index 8fe3200d..87152ceb 100644 --- a/src/libgame/misc.c +++ b/src/libgame/misc.c @@ -1,7 +1,7 @@ /*********************************************************** * Artsoft Retro-Game Library * *----------------------------------------------------------* -* (c) 1994-2001 Artsoft Entertainment * +* (c) 1994-2002 Artsoft Entertainment * * Holger Schemel * * Detmolder Strasse 189 * * 33604 Bielefeld * @@ -29,8 +29,63 @@ #include "misc.h" #include "setup.h" #include "random.h" +#include "text.h" +/* ------------------------------------------------------------------------- */ +/* some generic helper functions */ +/* ------------------------------------------------------------------------- */ + +void fprintf_line(FILE *stream, char *line_string, int line_length) +{ + int i; + + for (i=0; i 20) + size = 20; + + if (size) + { + sprintf(s, " %09d", number); + return &s[strlen(s) - size]; + } + else + { + sprintf(s, "%d", number); + return s; + } +} + + +/* ------------------------------------------------------------------------- */ +/* counter functions */ +/* ------------------------------------------------------------------------- */ + #if defined(PLATFORM_MSDOS) volatile unsigned long counter = 0; @@ -201,35 +256,10 @@ void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay) *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 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; - if (size) - { - sprintf(s, " %09d", number); - return &s[strlen(s) - size]; - } - else - { - sprintf(s, "%d", number); - return s; - } -} +/* ------------------------------------------------------------------------- */ +/* random generator functions */ +/* ------------------------------------------------------------------------- */ unsigned int SimpleRND(unsigned int max) { @@ -301,17 +331,29 @@ unsigned int InitRND(long seed) #endif } + +/* ------------------------------------------------------------------------- */ +/* system info functions */ +/* ------------------------------------------------------------------------- */ + char *getLoginName() { #if defined(PLATFORM_WIN32) return ANONYMOUS_NAME; #else - struct passwd *pwd; + static char *login_name = NULL; - if ((pwd = getpwuid(getuid())) == NULL) - return ANONYMOUS_NAME; - else - return pwd->pw_name; + if (login_name == NULL) + { + struct passwd *pwd; + + if ((pwd = getpwuid(getuid())) == NULL) + login_name = ANONYMOUS_NAME; + else + login_name = getStringCopy(pwd->pw_name); + } + + return login_name; #endif } @@ -357,16 +399,16 @@ char *getHomeDir() #if defined(PLATFORM_UNIX) static char *home_dir = NULL; - if (!home_dir) + if (home_dir == NULL) { - if (!(home_dir = getenv("HOME"))) + if ((home_dir = getenv("HOME")) == NULL) { struct passwd *pwd; - if ((pwd = getpwuid(getuid()))) - home_dir = pwd->pw_dir; - else + if ((pwd = getpwuid(getuid())) == NULL) home_dir = "."; + else + home_dir = getStringCopy(pwd->pw_dir); } } @@ -376,6 +418,11 @@ char *getHomeDir() #endif } + +/* ------------------------------------------------------------------------- */ +/* various string functions */ +/* ------------------------------------------------------------------------- */ + char *getPath2(char *path1, char *path2) { char *complete_path = checked_malloc(strlen(path1) + 1 + @@ -395,6 +442,14 @@ char *getPath3(char *path1, char *path2, char *path3) return complete_path; } +static char *getStringCat2(char *s1, char *s2) +{ + char *complete_string = checked_malloc(strlen(s1) + strlen(s2) + 1); + + sprintf(complete_string, "%s%s", s1, s2); + return complete_string; +} + char *getStringCopy(char *s) { char *s_copy; @@ -420,6 +475,40 @@ char *getStringToLower(char *s) return s_copy; } + +/* ------------------------------------------------------------------------- */ +/* command line option handling functions */ +/* ------------------------------------------------------------------------- */ + +static void printUsage() +{ + printf("\n" + "Usage: %s [OPTION]... [HOSTNAME [PORT]]\n" + "\n" + "Options:\n" + " -d, --display HOSTNAME[:SCREEN] specify X server display\n" + " -b, --basepath DIRECTORY alternative base DIRECTORY\n" + " -l, --level DIRECTORY alternative level DIRECTORY\n" + " -g, --graphics DIRECTORY alternative graphics DIRECTORY\n" + " -s, --sounds DIRECTORY alternative sounds DIRECTORY\n" + " -m, --music DIRECTORY alternative music DIRECTORY\n" + " -n, --network network multiplayer game\n" + " --serveronly only start network server\n" + " -v, --verbose verbose mode\n" + " --debug display debugging information\n" + " -e, --execute COMMAND execute batch COMMAND:\n" + "\n" + "Valid commands for '--execute' option:\n" + " \"print graphicsinfo.conf\" print default graphics config\n" + " \"print soundsinfo.conf\" print default sounds config\n" + " \"print musicinfo.conf\" print default music config\n" + " \"dump level FILE\" dump level data from FILE\n" + " \"dump tape FILE\" dump tape data from FILE\n" + " \"autoplay LEVELDIR\" play level tapes for LEVELDIR\n" + "\n", + program.command_basename); +} + void GetOptions(char *argv[]) { char **options_left = &argv[1]; @@ -434,11 +523,11 @@ void GetOptions(char *argv[]) options.graphics_directory = RO_BASE_PATH "/" GRAPHICS_DIRECTORY; options.sounds_directory = RO_BASE_PATH "/" SOUNDS_DIRECTORY; options.music_directory = RO_BASE_PATH "/" MUSIC_DIRECTORY; + options.execute_command = NULL; options.serveronly = FALSE; options.network = FALSE; options.verbose = FALSE; options.debug = FALSE; - options.debug_command = NULL; while (*options_left) { @@ -476,22 +565,7 @@ void GetOptions(char *argv[]) Error(ERR_EXIT_HELP, "unrecognized option '%s'", option); else if (strncmp(option, "-help", option_len) == 0) { - printf("Usage: %s [options] [ []]\n" - "Options:\n" - " -d, --display [:] X server display\n" - " -b, --basepath alternative base directory\n" - " -l, --level alternative level directory\n" - " -g, --graphics alternative graphics directory\n" - " -s, --sounds alternative sounds directory\n" - " -m, --music alternative music directory\n" - " -n, --network network multiplayer game\n" - " --serveronly only start network server\n" - " -v, --verbose verbose mode\n" - " --debug display debugging information\n", - program.command_basename); - - if (options.debug) - printf(" --debug-command execute special command\n"); + printUsage(); exit(0); } @@ -571,12 +645,12 @@ void GetOptions(char *argv[]) { options.debug = TRUE; } - else if (strncmp(option, "-debug-command", option_len) == 0) + else if (strncmp(option, "-execute", option_len) == 0) { if (option_arg == NULL) Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str); - options.debug_command = option_arg; + options.execute_command = option_arg; if (option_arg == next_option) options_left++; } @@ -601,6 +675,11 @@ void GetOptions(char *argv[]) } } + +/* ------------------------------------------------------------------------- */ +/* error handling functions */ +/* ------------------------------------------------------------------------- */ + /* used by SetError() and GetError() to store internal error messages */ static char internal_error[1024]; /* this is bad */ @@ -620,6 +699,7 @@ char *GetError() void Error(int mode, char *format, ...) { + static boolean last_line_was_separator = FALSE; char *process_name = ""; FILE *error = stderr; char *newline = "\n"; @@ -628,7 +708,19 @@ void Error(int mode, char *format, ...) if (mode & ERR_WARN && !options.verbose) return; -#if !defined(PLATFORM_UNIX) + if (mode == ERR_RETURN_LINE) + { + if (!last_line_was_separator) + fprintf_line(error, format, 79); + + last_line_was_separator = TRUE; + + return; + } + + last_line_was_separator = FALSE; + +#if defined(PLATFORM_MSDOS) newline = "\r\n"; if ((error = openErrorFile()) == NULL) @@ -681,6 +773,11 @@ void Error(int mode, char *format, ...) } } + +/* ------------------------------------------------------------------------- */ +/* memory allocation functions */ +/* ------------------------------------------------------------------------- */ + void *checked_malloc(unsigned long size) { void *ptr; @@ -715,6 +812,11 @@ void *checked_realloc(void *ptr, unsigned long size) return ptr; } + +/* ------------------------------------------------------------------------- */ +/* various helper functions */ +/* ------------------------------------------------------------------------- */ + inline void swap_numbers(int *i1, int *i2) { int help = *i1; @@ -1205,9 +1307,146 @@ char getCharFromKey(Key key) } -/* ========================================================================= */ +/* ------------------------------------------------------------------------- */ +/* functions to translate string identifiers to integer or boolean value */ +/* ------------------------------------------------------------------------- */ + +int get_integer_from_string(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_boolean_from_string(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_integer_from_string(s) == 1) + result = TRUE; + + free(s_lower); + + return result; +} + + +/* ------------------------------------------------------------------------- */ +/* functions for generic lists */ +/* ------------------------------------------------------------------------- */ + +ListNode *newListNode() +{ + return checked_calloc(sizeof(ListNode)); +} + +void addNodeToList(ListNode **node_first, char *key, void *content) +{ + ListNode *node_new = newListNode(); + +#if 0 + printf("LIST: adding node with key '%s'\n", key); +#endif + + node_new->key = getStringCopy(key); + node_new->content = content; + node_new->next = *node_first; + *node_first = node_new; +} + +void deleteNodeFromList(ListNode **node_first, char *key, + void (*destructor_function)(void *)) +{ + if (node_first == NULL || *node_first == NULL) + return; + +#if 0 + printf("[CHECKING LIST KEY '%s' == '%s']\n", + (*node_first)->key, key); +#endif + + if (strcmp((*node_first)->key, key) == 0) + { +#if 0 + printf("[DELETING LIST ENTRY]\n"); +#endif + + free((*node_first)->key); + if (destructor_function) + destructor_function((*node_first)->content); + *node_first = (*node_first)->next; + } + else + deleteNodeFromList(&(*node_first)->next, key, destructor_function); +} + +ListNode *getNodeFromKey(ListNode *node_first, char *key) +{ + if (node_first == NULL) + return NULL; + + if (strcmp(node_first->key, key) == 0) + return node_first; + else + return getNodeFromKey(node_first->next, key); +} + +int getNumNodes(ListNode *node_first) +{ + return (node_first ? 1 + getNumNodes(node_first->next) : 0); +} + +void dumpList(ListNode *node_first) +{ + ListNode *node = node_first; + + while (node) + { + printf("['%s' (%d)]\n", node->key, + ((struct ListNodeInfo *)node->content)->num_references); + node = node->next; + } + + printf("[%d nodes]\n", getNumNodes(node_first)); +} + + +/* ------------------------------------------------------------------------- */ /* functions for checking filenames */ -/* ========================================================================= */ +/* ------------------------------------------------------------------------- */ boolean FileIsGraphic(char *filename) { @@ -1256,61 +1495,759 @@ boolean FileIsArtworkType(char *basename, int type) return FALSE; } +/* ------------------------------------------------------------------------- */ +/* functions for loading artwork configuration information */ +/* ------------------------------------------------------------------------- */ + +static int get_parameter_value(int type, char *value) +{ + return (strcmp(value, ARG_UNDEFINED) == 0 ? ARG_UNDEFINED_VALUE : + type == TYPE_INTEGER ? get_integer_from_string(value) : + type == TYPE_BOOLEAN ? get_boolean_from_string(value) : + -1); +} + +struct FileInfo *getFileListFromConfigList(struct ConfigInfo *config_list, + struct ConfigInfo *suffix_list, + int num_file_list_entries) +{ + struct FileInfo *file_list; + int num_file_list_entries_found = 0; + int num_suffix_list_entries = 0; + int list_pos = 0; + int i, j; -/* ========================================================================= */ -/* functions only needed for non-Unix (non-command-line) systems */ -/* ========================================================================= */ + file_list = checked_calloc(num_file_list_entries * sizeof(struct FileInfo)); -#if !defined(PLATFORM_UNIX) + for (i=0; suffix_list[i].token != NULL; i++) + num_suffix_list_entries++; -#define ERROR_FILENAME "error.out" + /* always start with reliable default values */ + for (i=0; i 0) + { + int parameter_array_size = num_suffix_list_entries * sizeof(int); + + file_list[i].default_parameter = checked_calloc(parameter_array_size); + file_list[i].parameter = checked_calloc(parameter_array_size); + + for (j=0; j 0) + list_pos++; + + if (list_pos >= num_file_list_entries) + break; + + /* simple sanity check if this is really a file definition */ + if (strcmp(&config_list[i].value[len_config_value - 4], ".pcx") != 0 && + strcmp(&config_list[i].value[len_config_value - 4], ".wav") != 0 && + strcmp(config_list[i].value, UNDEFINED_FILENAME) != 0) + { + Error(ERR_RETURN, "Configuration directive '%s' -> '%s':", + config_list[i].token, config_list[i].value); + Error(ERR_EXIT, "This seems to be no valid definition -- please fix"); + } + + file_list[list_pos].token = config_list[i].token; + file_list[list_pos].default_filename = config_list[i].value; + } + } - InitUserDataDirectory(); + num_file_list_entries_found = list_pos + 1; + if (num_file_list_entries_found != num_file_list_entries) + { + Error(ERR_RETURN_LINE, "-"); + Error(ERR_RETURN, "inconsistant config list information:"); + Error(ERR_RETURN, "- should be: %d (according to 'src/conf_gfx.h')", + num_file_list_entries); + Error(ERR_RETURN, "- found to be: %d (according to 'src/conf_gfx.c')", + num_file_list_entries_found); + Error(ERR_EXIT, "please fix"); + } - filename = getPath2(getUserDataDir(), ERROR_FILENAME); - unlink(filename); - free(filename); + return file_list; } -FILE *openErrorFile() +static boolean token_suffix_match(char *token, char *suffix, int start_pos) { - char *filename; - FILE *error_file; + int len_token = strlen(token); + int len_suffix = strlen(suffix); + +#if 0 + if (IS_PARENT_PROCESS(audio.mixer_pid)) + printf(":::::::::: check '%s' for '%s' ::::::::::\n", token, suffix); +#endif + + if (start_pos < 0) /* compare suffix from end of string */ + start_pos += len_token; + + if (start_pos < 0 || start_pos + len_suffix > len_token) + return FALSE; + + if (strncmp(&token[start_pos], suffix, len_suffix) != 0) + return FALSE; - filename = getPath2(getUserDataDir(), ERROR_FILENAME); - error_file = fopen(filename, MODE_APPEND); - free(filename); + if (token[start_pos + len_suffix] == '\0') + return TRUE; + + if (token[start_pos + len_suffix] == '.') + return TRUE; - return error_file; + return FALSE; } -void dumpErrorFile() -{ - char *filename; - FILE *error_file; +#define KNOWN_TOKEN_VALUE "[KNOWN_TOKEN]" - filename = getPath2(getUserDataDir(), ERROR_FILENAME); - error_file = fopen(filename, MODE_READ); - free(filename); +static void read_token_parameters(struct SetupFileList *setup_file_list, + struct ConfigInfo *suffix_list, + struct FileInfo *file_list_entry) +{ + /* check for config token that is the base token without any suffixes */ + char *filename = getTokenValue(setup_file_list, file_list_entry->token); + char *known_token_value = KNOWN_TOKEN_VALUE; + int i; - if (error_file != NULL) + if (filename != NULL) { - while (!feof(error_file)) - fputc(fgetc(error_file), stderr); + /* when file definition found, set all parameters to default values */ + for (i=0; suffix_list[i].token != NULL; i++) + file_list_entry->parameter[i] = + get_parameter_value(suffix_list[i].type, suffix_list[i].value); - fclose(error_file); + file_list_entry->filename = getStringCopy(filename); + + /* mark config file token as well known from default config */ + setTokenValue(setup_file_list, file_list_entry->token, known_token_value); } -} -#endif + else + file_list_entry->filename = + getStringCopy(file_list_entry->default_filename); + /* check for config tokens that can be build by base token and suffixes */ + for (i=0; suffix_list[i].token != NULL; i++) + { + char *token = getStringCat2(file_list_entry->token, suffix_list[i].token); + char *value = getTokenValue(setup_file_list, token); + + if (value != NULL) + { + file_list_entry->parameter[i] = + get_parameter_value(suffix_list[i].type, value); + + /* mark config file token as well known from default config */ + setTokenValue(setup_file_list, token, known_token_value); + } + + free(token); + } +} + +static void add_dynamic_file_list_entry(struct FileInfo **list, + int *num_list_entries, + struct SetupFileList *extra_file_list, + struct ConfigInfo *suffix_list, + int num_suffix_list_entries, + char *token) +{ + struct FileInfo *new_list_entry; + int parameter_array_size = num_suffix_list_entries * sizeof(int); + +#if 0 + if (IS_PARENT_PROCESS(audio.mixer_pid)) + printf("===> found dynamic definition '%s'\n", token); +#endif + + (*num_list_entries)++; + *list = checked_realloc(*list, *num_list_entries * sizeof(struct FileInfo)); + new_list_entry = &(*list)[*num_list_entries - 1]; + + new_list_entry->token = getStringCopy(token); + new_list_entry->parameter = checked_calloc(parameter_array_size); + + read_token_parameters(extra_file_list, suffix_list, new_list_entry); +} + +void LoadArtworkConfig(struct ArtworkListInfo *artwork_info) +{ + struct FileInfo *file_list = artwork_info->file_list; + struct ConfigInfo *suffix_list = artwork_info->suffix_list; + char **base_prefixes = artwork_info->base_prefixes; + char **ext1_suffixes = artwork_info->ext1_suffixes; + char **ext2_suffixes = artwork_info->ext2_suffixes; + int num_file_list_entries = artwork_info->num_file_list_entries; + int num_suffix_list_entries = artwork_info->num_suffix_list_entries; + int num_base_prefixes = artwork_info->num_base_prefixes; + int num_ext1_suffixes = artwork_info->num_ext1_suffixes; + int num_ext2_suffixes = artwork_info->num_ext2_suffixes; + char *filename = getCustomArtworkConfigFilename(artwork_info->type); + struct SetupFileList *setup_file_list; + struct SetupFileList *extra_file_list = NULL; + struct SetupFileList *list; + char *known_token_value = KNOWN_TOKEN_VALUE; + int i, j, k; + +#if 0 + printf("GOT CUSTOM ARTWORK CONFIG FILE '%s'\n", filename); +#endif + + /* always start with reliable default values */ + for (i=0; idynamic_file_list != NULL) + { + for (i=0; inum_dynamic_file_list_entries; i++) + { + free(artwork_info->dynamic_file_list[i].token); + free(artwork_info->dynamic_file_list[i].filename); + free(artwork_info->dynamic_file_list[i].parameter); + } + + free(artwork_info->dynamic_file_list); + + artwork_info->dynamic_file_list = NULL; + artwork_info->num_dynamic_file_list_entries = 0; + } + + if (filename == NULL) + return; + + if ((setup_file_list = loadSetupFileList(filename)) == NULL) + return; + + /* read parameters for all known config file tokens */ + for (i=0; inext) + { + if (strcmp(list->value, known_token_value) != 0) + { + if (extra_file_list == NULL) + extra_file_list = newSetupFileList(list->token, list->value); + else + setTokenValue(extra_file_list, list->token, list->value); + } + } + + /* at this point, we do not need the config file list anymore -- free it */ + freeSetupFileList(setup_file_list); + + /* now try to determine valid, dynamically defined config tokens */ + + for (list = extra_file_list; list != NULL; list = list->next) + { + struct FileInfo **dynamic_file_list = &artwork_info->dynamic_file_list; + int *num_dynamic_file_list_entries = + &artwork_info->num_dynamic_file_list_entries; + char *token = list->token; + int len_token = strlen(token); + int start_pos; + boolean base_prefix_found = FALSE; + boolean parameter_suffix_found = FALSE; + + /* skip all parameter definitions (handled by read_token_parameters()) */ + for (i=0; i < num_suffix_list_entries && !parameter_suffix_found; i++) + { + int len_suffix = strlen(suffix_list[i].token); + + if (token_suffix_match(token, suffix_list[i].token, -len_suffix)) + parameter_suffix_found = TRUE; + } + +#if 0 + if (IS_PARENT_PROCESS(audio.mixer_pid)) + { + if (parameter_suffix_found) + printf("---> skipping token '%s' (parameter token)\n", token); + else + printf("---> examining token '%s': search prefix ...\n", token); + } +#endif + + if (parameter_suffix_found) + continue; + + /* ---------- step 1: search for matching base prefix ---------- */ + + start_pos = 0; + for (i=0; i examining token '%s': search 1st suffix ...\n", token); +#endif + + /* ---------- step 2: search for matching first suffix ---------- */ -/* ========================================================================= */ + start_pos += len_base_prefix; + for (j=0; j examining token '%s': search 2nd suffix ...\n", token); +#endif + + /* ---------- step 3: search for matching second suffix ---------- */ + + start_pos += len_ext1_suffix; + for (k=0; knext) + { + if (strcmp(list->value, known_token_value) == 0) + dynamic_tokens_found = TRUE; + else + unknown_tokens_found = TRUE; + } + +#if DEBUG + if (dynamic_tokens_found) + { + Error(ERR_RETURN_LINE, "-"); + Error(ERR_RETURN, "dynamic token(s) found:"); + + for (list = extra_file_list; list != NULL; list = list->next) + if (strcmp(list->value, known_token_value) == 0) + Error(ERR_RETURN, "- dynamic token: '%s'", list->token); + + Error(ERR_RETURN_LINE, "-"); + } +#endif + + if (unknown_tokens_found) + { + Error(ERR_RETURN_LINE, "-"); + Error(ERR_RETURN, "warning: unknown token(s) found in config file:"); + Error(ERR_RETURN, "- config file: '%s'", filename); + + for (list = extra_file_list; list != NULL; list = list->next) + if (strcmp(list->value, known_token_value) != 0) + Error(ERR_RETURN, "- unknown token: '%s'", list->token); + + Error(ERR_RETURN_LINE, "-"); + } + } + + freeSetupFileList(extra_file_list); + +#if 0 + for (i=0; i '%s'\n", file_list[i].filename); + else + printf("-> UNDEFINED [-> '%s']\n", file_list[i].default_filename); + } +#endif +} + +static void deleteArtworkListEntry(struct ArtworkListInfo *artwork_info, + struct ListNodeInfo **listnode) +{ + if (*listnode) + { + char *filename = (*listnode)->source_filename; + +#if 0 + printf("[decrementing reference counter of artwork '%s']\n", filename); +#endif + + if (--(*listnode)->num_references <= 0) + { +#if 0 + printf("[deleting artwork '%s']\n", filename); +#endif + + deleteNodeFromList(&artwork_info->content_list, filename, + artwork_info->free_artwork); + } + + *listnode = NULL; + } +} + +static void replaceArtworkListEntry(struct ArtworkListInfo *artwork_info, + struct ListNodeInfo **listnode, + char *basename) +{ + char *init_text[] = + { "", + "Loading graphics:", + "Loading sounds:", + "Loading music:" + }; + + ListNode *node; + char *filename = getCustomArtworkFilename(basename, artwork_info->type); + + if (filename == NULL) + { + int error_mode = ERR_WARN; + + /* we can get away without sounds and music, but not without graphics */ + if (*listnode == NULL && artwork_info->type == ARTWORK_TYPE_GRAPHICS) + error_mode = ERR_EXIT; + + Error(error_mode, "cannot find artwork file '%s'", basename); + return; + } + + /* check if the old and the new artwork file are the same */ + if (*listnode && strcmp((*listnode)->source_filename, filename) == 0) + { + /* The old and new artwork are the same (have the same filename and path). + This usually means that this artwork does not exist in this artwork set + and a fallback to the existing artwork is done. */ + +#if 0 + printf("[artwork '%s' already exists (same list entry)]\n", filename); +#endif + + return; + } + + /* delete existing artwork file entry */ + deleteArtworkListEntry(artwork_info, listnode); + + /* check if the new artwork file already exists in the list of artworks */ + if ((node = getNodeFromKey(artwork_info->content_list, filename)) != NULL) + { +#if 0 + printf("[artwork '%s' already exists (other list entry)]\n", filename); +#endif + + *listnode = (struct ListNodeInfo *)node->content; + (*listnode)->num_references++; + + return; + } + + DrawInitText(init_text[artwork_info->type], 120, FC_GREEN); + DrawInitText(basename, 150, FC_YELLOW); + + if ((*listnode = artwork_info->load_artwork(filename)) != NULL) + { +#if 0 + printf("[adding new artwork '%s']\n", filename); +#endif + + (*listnode)->num_references = 1; + addNodeToList(&artwork_info->content_list, (*listnode)->source_filename, + *listnode); + } + else + { + int error_mode = ERR_WARN; + + /* we can get away without sounds and music, but not without graphics */ + if (artwork_info->type == ARTWORK_TYPE_GRAPHICS) + error_mode = ERR_EXIT; + + Error(error_mode, "cannot load artwork file '%s'", basename); + return; + } +} + +static void LoadCustomArtwork(struct ArtworkListInfo *artwork_info, + struct ListNodeInfo **listnode, + char *basename) +{ +#if 0 + char *filename = getCustomArtworkFilename(basename, artwork_info->type); +#endif + +#if 0 + printf("GOT CUSTOM ARTWORK FILE '%s'\n", filename); +#endif + + if (strcmp(basename, UNDEFINED_FILENAME) == 0) + { + deleteArtworkListEntry(artwork_info, listnode); + return; + } + +#if 0 + if (filename == NULL) + { + Error(ERR_WARN, "cannot find artwork file '%s'", basename); + return; + } + + replaceArtworkListEntry(artwork_info, listnode, filename); +#else + replaceArtworkListEntry(artwork_info, listnode, basename); +#endif +} + +static void LoadArtworkToList(struct ArtworkListInfo *artwork_info, + char *basename, int list_pos) +{ + if (artwork_info->artwork_list == NULL || + list_pos >= artwork_info->num_file_list_entries) + return; + +#if 0 + printf("loading artwork '%s' ... [%d]\n", + basename, getNumNodes(artwork_info->content_list)); +#endif + + LoadCustomArtwork(artwork_info, &artwork_info->artwork_list[list_pos], + basename); + +#if 0 + printf("loading artwork '%s' done [%d]\n", + basename, getNumNodes(artwork_info->content_list)); +#endif +} + +void ReloadCustomArtworkList(struct ArtworkListInfo *artwork_info) +{ +#if 0 + static struct + { + char *text; + boolean do_it; + } + draw_init[] = + { + { "", FALSE }, + { "Loading graphics:", TRUE }, + { "Loading sounds:", TRUE }, + { "Loading music:", TRUE } + }; +#endif + + int num_file_list_entries = artwork_info->num_file_list_entries; + struct FileInfo *file_list = artwork_info->file_list; + int i; + +#if 0 + LoadArtworkConfig(artwork_info); +#endif + +#if 0 + if (draw_init[artwork_info->type].do_it) + DrawInitText(draw_init[artwork_info->type].text, 120, FC_GREEN); +#endif + +#if 0 + printf("DEBUG: reloading %d artwork files ...\n", num_file_list_entries); +#endif + + for(i=0; itype].do_it) + DrawInitText(file_list[i].token, 150, FC_YELLOW); +#endif + + LoadArtworkToList(artwork_info, file_list[i].filename, i); + +#if 0 + printf("DEBUG: loading artwork file '%s'...\n", file_list[i].filename); +#endif + } + +#if 0 + draw_init[artwork_info->type].do_it = FALSE; +#endif + + /* + printf("list size == %d\n", getNumNodes(artwork_info->content_list)); + */ + +#if 0 + dumpList(artwork_info->content_list); +#endif +} + +void FreeCustomArtworkList(struct ArtworkListInfo *artwork_info) +{ + int i; + + if (artwork_info == NULL || artwork_info->artwork_list == NULL) + return; + +#if 0 + printf("%s: FREEING ARTWORK ...\n", + IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT"); +#endif + + for(i=0; inum_file_list_entries; i++) + deleteArtworkListEntry(artwork_info, &artwork_info->artwork_list[i]); + +#if 0 + printf("%s: FREEING ARTWORK -- DONE\n", + IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT"); +#endif + + free(artwork_info->artwork_list); + + artwork_info->artwork_list = NULL; + artwork_info->num_file_list_entries = 0; +} + + +/* ------------------------------------------------------------------------- */ +/* functions only needed for non-Unix (non-command-line) systems */ +/* (MS-DOS only; SDL/Windows creates files "stdout.txt" and "stderr.txt") */ +/* ------------------------------------------------------------------------- */ + +#if defined(PLATFORM_MSDOS) + +#define ERROR_FILENAME "stderr.txt" + +void initErrorFile() +{ + unlink(ERROR_FILENAME); +} + +FILE *openErrorFile() +{ + return fopen(ERROR_FILENAME, MODE_APPEND); +} + +void dumpErrorFile() +{ + FILE *error_file = fopen(ERROR_FILENAME, MODE_READ); + + if (error_file != NULL) + { + while (!feof(error_file)) + fputc(fgetc(error_file), stderr); + + fclose(error_file); + } +} +#endif + + +/* ------------------------------------------------------------------------- */ /* the following is only for debugging purpose and normally not used */ -/* ========================================================================= */ +/* ------------------------------------------------------------------------- */ #define DEBUG_NUM_TIMESTAMPS 3