-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* misc.c *
-***********************************************************/
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// https://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// misc.c
+// ============================================================================
#include <time.h>
#include <sys/time.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
+#include <errno.h>
#include "platform.h"
-#if !defined(PLATFORM_WIN32)
+#if defined(PLATFORM_UNIX)
#include <pwd.h>
#include <sys/param.h>
#endif
#include "misc.h"
+#include "setup.h"
#include "random.h"
+#include "text.h"
+#include "image.h"
+
+
+// ============================================================================
+// some generic helper functions
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// logging functions
+// ----------------------------------------------------------------------------
+#define DUPLICATE_LOGGING_TO_STDOUT TRUE
-#if defined(PLATFORM_MSDOS)
-volatile unsigned long counter = 0;
-void increment_counter()
+#if defined(PLATFORM_ANDROID)
+static int android_log_prio = ANDROID_LOG_INFO;
+static char *android_log_buffer = NULL;
+
+static void append_to_android_log_buffer(char *format, va_list ap)
{
- counter++;
+ char text_new[MAX_OUTPUT_LINESIZE];
+
+ // print text to temporary string
+ vsnprintf(text_new, MAX_OUTPUT_LINESIZE, format, ap);
+
+ if (android_log_buffer == NULL)
+ {
+ android_log_buffer = getStringCopy(text_new);
+ }
+ else
+ {
+ char *android_log_buffer_old = android_log_buffer;
+
+ // append new text to existing text
+ android_log_buffer = getStringCat2(android_log_buffer, text_new);
+
+ checked_free(android_log_buffer_old);
+ }
}
-END_OF_FUNCTION(increment_counter);
-#endif
+static void vprintf_log_nonewline(char *format, va_list ap)
+{
+ // add log output to buffer until text with newline is printed
+ append_to_android_log_buffer(format, ap);
+}
+
+static void vprintf_log(char *format, va_list ap)
+{
+ // add log output to buffer
+ append_to_android_log_buffer(format, ap);
+ // __android_log_vprint(android_log_prio, program.program_title, format, ap);
+ __android_log_write(android_log_prio, program.program_title,
+ android_log_buffer);
-/* maximal allowed length of a command line option */
-#define MAX_OPTION_LEN 256
+ checked_free(android_log_buffer);
+ android_log_buffer = NULL;
+}
+
+#else
-#ifdef TARGET_SDL
-static unsigned long mainCounter(int mode)
+static void vprintf_log_nonewline(char *format, va_list ap)
{
- static unsigned long base_ms = 0;
- unsigned long current_ms;
- unsigned long counter_ms;
+ FILE *file = program.log_file;
- current_ms = SDL_GetTicks();
+#if DUPLICATE_LOGGING_TO_STDOUT
+ if (file != program.log_file_default)
+ {
+ va_list ap2;
+ va_copy(ap2, ap);
- /* reset base time in case of counter initializing or wrap-around */
- if (mode == INIT_COUNTER || current_ms < base_ms)
- base_ms = current_ms;
+ vfprintf(program.log_file_default, format, ap2);
- counter_ms = current_ms - base_ms;
+ va_end(ap2);
+ }
+#endif
- return counter_ms; /* return milliseconds since last init */
+ vfprintf(file, format, ap);
}
-#else /* !TARGET_SDL */
+static void vprintf_log(char *format, va_list ap)
+{
+ FILE *file = program.log_file;
+ char *newline = STRING_NEWLINE;
-#if defined(PLATFORM_UNIX)
-static unsigned long mainCounter(int mode)
+#if DUPLICATE_LOGGING_TO_STDOUT
+ if (file != program.log_file_default)
+ {
+ va_list ap2;
+ va_copy(ap2, ap);
+
+ vfprintf(program.log_file_default, format, ap2);
+ fprintf(program.log_file_default, "%s", newline);
+
+ va_end(ap2);
+ }
+#endif
+
+ vfprintf(file, format, ap);
+ fprintf(file, "%s", newline);
+}
+#endif
+
+static void printf_log_nonewline(char *format, ...)
{
- static struct timeval base_time = { 0, 0 };
- struct timeval current_time;
- unsigned long counter_ms;
+ va_list ap;
- gettimeofday(¤t_time, NULL);
+ va_start(ap, format);
+ vprintf_log_nonewline(format, ap);
+ va_end(ap);
+}
- /* reset base time in case of counter initializing or wrap-around */
- if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec)
- base_time = current_time;
+static void printf_log(char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vprintf_log(format, ap);
+ va_end(ap);
+}
+
+static void printf_log_line(char *line_chars, int line_length)
+{
+ int i;
- counter_ms = (current_time.tv_sec - base_time.tv_sec) * 1000
- + (current_time.tv_usec - base_time.tv_usec) / 1000;
+ for (i = 0; i < line_length; i++)
+ printf_log_nonewline("%s", line_chars);
- return counter_ms; /* return milliseconds since last init */
+ printf_log("");
}
-#endif /* PLATFORM_UNIX */
-#endif /* !TARGET_SDL */
-void InitCounter() /* set counter back to zero */
+
+// ----------------------------------------------------------------------------
+// platform independent wrappers for printf() et al.
+// ----------------------------------------------------------------------------
+
+void fprintf_line(FILE *file, char *line_chars, int line_length)
{
-#if !defined(PLATFORM_MSDOS)
- mainCounter(INIT_COUNTER);
-#else
- LOCK_VARIABLE(counter);
- LOCK_FUNCTION(increment_counter);
- install_int_ex(increment_counter, BPS_TO_TIMER(100));
-#endif
+ int i;
+
+ for (i = 0; i < line_length; i++)
+ fprintf(file, "%s", line_chars);
+
+ fprintf(file, "\n");
}
-unsigned long Counter() /* get milliseconds since last call of InitCounter() */
+void fprintf_line_with_prefix(FILE *file, char *prefix, char *line_chars,
+ int line_length)
{
-#if !defined(PLATFORM_MSDOS)
- return mainCounter(READ_COUNTER);
-#else
- return (counter * 10);
-#endif
+ fprintf(file, "%s", prefix);
+ fprintf_line(file, line_chars, line_length);
}
-static void sleep_milliseconds(unsigned long milliseconds_delay)
+void printf_line(char *line_chars, int line_length)
{
- boolean do_busy_waiting = (milliseconds_delay < 5 ? TRUE : FALSE);
+ fprintf_line(stdout, line_chars, line_length);
+}
-#if defined(PLATFORM_MSDOS)
- /* don't use select() to perform waiting operations under DOS/Windows
- environment; always use a busy loop for waiting instead */
- do_busy_waiting = TRUE;
-#endif
+void printf_line_with_prefix(char *prefix, char *line_chars, int line_length)
+{
+ fprintf_line_with_prefix(stdout, prefix, line_chars, line_length);
+}
+
+static void vPrint(char *format, va_list ap)
+{
+ FILE *file = program.log_file;
- if (do_busy_waiting)
+#if DUPLICATE_LOGGING_TO_STDOUT
+ if (file != program.log_file_default)
{
- /* we want to wait only a few ms -- if we assume that we have a
- kernel timer resolution of 10 ms, we would wait far to long;
- therefore it's better to do a short interval of busy waiting
- to get our sleeping time more accurate */
+ va_list ap2;
+ va_copy(ap2, ap);
- unsigned long base_counter = Counter(), actual_counter = Counter();
+ vfprintf(program.log_file_default, format, ap2);
- while (actual_counter < base_counter + milliseconds_delay &&
- actual_counter >= base_counter)
- actual_counter = Counter();
+ va_end(ap2);
}
+#endif
+
+ vfprintf(file, format, ap);
+}
+
+void Print(char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vPrint(format, ap);
+ va_end(ap);
+}
+
+void PrintNoLog(char *format, ...)
+{
+ FILE *file = program.log_file_default;
+ va_list ap;
+
+ va_start(ap, format);
+ vfprintf(file, format, ap);
+ va_end(ap);
+
+ fflush(file);
+}
+
+void PrintLine(char *line_chars, int line_length)
+{
+ int i;
+
+ for (i = 0; i < line_length; i++)
+ Print(line_chars);
+
+ Print("\n");
+}
+
+void PrintLineWithPrefix(char *prefix, char *line_chars, int line_length)
+{
+ Print(prefix);
+ PrintLine(line_chars, line_length);
+}
+
+
+// ----------------------------------------------------------------------------
+// generic logging and error handling functions
+// ----------------------------------------------------------------------------
+
+enum log_levels
+{
+ LOG_UNKNOWN = 0,
+ LOG_DEBUG,
+ LOG_INFO,
+ LOG_WARN,
+ LOG_ERROR,
+ LOG_FATAL
+};
+
+static char *log_tokens[] =
+{
+ "UNKNOWN",
+ "DEBUG",
+ "INFO",
+ "WARN",
+ "ERROR",
+ "FATAL"
+};
+
+static void printf_log_prefix(int log_level, char *mode)
+{
+ if (log_level < 0 || log_level > LOG_FATAL)
+ return;
+
+ char *log_token = log_tokens[log_level];
+
+ if (log_level == LOG_DEBUG)
+ printf_log_nonewline("[%s] [%s] ", log_token, mode);
else
+ printf_log_nonewline("[%s] ", log_token);
+}
+
+static void vLog(int log_level, char *mode, char *format, va_list ap)
+{
+ if (log_level < 0 || log_level > LOG_FATAL)
+ return;
+
+ if (log_level == LOG_DEBUG)
{
-#if defined(TARGET_SDL)
- SDL_Delay(milliseconds_delay);
-#else
- struct timeval delay;
+ // only show debug messages when in debug mode
+ if (!options.debug)
+ return;
- delay.tv_sec = milliseconds_delay / 1000;
- delay.tv_usec = 1000 * (milliseconds_delay % 1000);
+ // if optional debug mode specified, limit debug output accordingly
+ if (options.debug_mode != NULL &&
+ strstr(mode, options.debug_mode) == NULL)
+ return;
+ }
+ else if (log_level == LOG_WARN)
+ {
+ // only show warning messages when in verbose mode
+ if (!options.verbose)
+ return;
+ }
- if (select(0, NULL, NULL, NULL, &delay) != 0)
- Error(ERR_WARN, "sleep_milliseconds(): select() failed");
+#if defined(PLATFORM_ANDROID)
+ android_log_prio = (log_level == LOG_DEBUG ? ANDROID_LOG_DEBUG :
+ log_level == LOG_INFO ? ANDROID_LOG_INFO :
+ log_level == LOG_WARN ? ANDROID_LOG_WARN :
+ log_level == LOG_ERROR ? ANDROID_LOG_ERROR :
+ log_level == LOG_FATAL ? ANDROID_LOG_FATAL :
+ ANDROID_LOG_UNKNOWN);
#endif
+
+ static boolean last_line_was_separator = FALSE;
+ char *log_token = log_tokens[log_level];
+
+ if (strEqual(format, "===") ||
+ strEqual(format, "---"))
+ {
+ static char *mode_last = NULL;
+ char line_char[2] = { format[0], '\0' };
+ int line_length = 80 - strlen(log_token) - 3;
+
+ if (log_level == LOG_DEBUG)
+ line_length -= strlen(mode) + 3;
+
+ if (last_line_was_separator && strEqual(mode, mode_last))
+ return;
+
+ printf_log_prefix(log_level, mode);
+ printf_log_line(line_char, line_length);
+
+ if (!strEqual(mode, mode_last))
+ setString(&mode_last, mode);
+
+ last_line_was_separator = TRUE;
+
+ return;
}
+
+ last_line_was_separator = FALSE;
+
+ printf_log_prefix(log_level, mode);
+
+ vprintf_log(format, ap);
}
-void Delay(unsigned long delay) /* Sleep specified number of milliseconds */
+static void Log(int log_level, char *mode, char *format, ...)
{
- sleep_milliseconds(delay);
+ va_list ap;
+
+ va_start(ap, format);
+ vLog(log_level, mode, format, ap);
+ va_end(ap);
+}
+
+void DebugContinued(char *mode, char *format, ...)
+{
+ static char message[MAX_LINE_LEN] = { 0 };
+
+ // initialize message (optional)
+ if (strEqual(format, ""))
+ {
+ message[0] = '\0';
+
+ return;
+ }
+
+ char *message_ptr = message + strlen(message);
+ int size_left = MAX_LINE_LEN - strlen(message);
+ va_list ap;
+
+ // append message
+ va_start(ap, format);
+ vsnprintf(message_ptr, size_left, format, ap);
+ va_end(ap);
+
+ // finalize message
+ if (strSuffix(format, "\n"))
+ {
+ message[strlen(message) - 1] = '\0';
+
+ Debug(mode, message);
+
+ message[0] = '\0';
+ }
}
-boolean FrameReached(unsigned long *frame_counter_var,
- unsigned long frame_delay)
+void Debug(char *mode, char *format, ...)
{
- unsigned long actual_frame_counter = FrameCounter;
+ va_list ap;
- if (actual_frame_counter < *frame_counter_var+frame_delay &&
- actual_frame_counter >= *frame_counter_var)
- return(FALSE);
+ va_start(ap, format);
+ vLog(LOG_DEBUG, mode, format, ap);
+ va_end(ap);
+}
+
+void Info(char *format, ...)
+{
+ va_list ap;
- *frame_counter_var = actual_frame_counter;
- return(TRUE);
+ va_start(ap, format);
+ vLog(LOG_INFO, NULL, format, ap);
+ va_end(ap);
}
-boolean DelayReached(unsigned long *counter_var,
- unsigned long delay)
+void Warn(char *format, ...)
{
- unsigned long actual_counter = Counter();
+ va_list ap;
+
+ va_start(ap, format);
+ vLog(LOG_WARN, NULL, format, ap);
+ va_end(ap);
+}
- if (actual_counter < *counter_var + delay &&
- actual_counter >= *counter_var)
- return(FALSE);
+void Error(char *format, ...)
+{
+ va_list ap;
- *counter_var = actual_counter;
- return(TRUE);
+ va_start(ap, format);
+ vLog(LOG_ERROR, NULL, format, ap);
+ va_end(ap);
}
-void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
+void Fail(char *format, ...)
{
- unsigned long actual_counter;
+ va_list ap;
- while(1)
- {
- actual_counter = Counter();
+ va_start(ap, format);
+ vLog(LOG_FATAL, NULL, format, ap);
+ va_end(ap);
- if (actual_counter < *counter_var + delay &&
- actual_counter >= *counter_var)
- sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
- else
- break;
+ if (!network.is_server_thread)
+ {
+ va_start(ap, format);
+ program.exit_message_function(format, ap);
+ va_end(ap);
}
- *counter_var = actual_counter;
+ Log(LOG_FATAL, NULL, "aborting");
+
+ // network server thread: normal exit
+ if (network.is_server_thread)
+ exit(1);
+
+ // main process: clean up stuff
+ program.exit_function(1);
+}
+
+void FailWithHelp(char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vLog(LOG_FATAL, NULL, format, ap);
+ va_end(ap);
+
+ Log(LOG_FATAL, NULL, "try option '--help' for more information");
+ Log(LOG_FATAL, NULL, "aborting");
+
+ // main process: clean up stuff
+ program.exit_function(1);
}
+
+// ----------------------------------------------------------------------------
+// string functions
+// ----------------------------------------------------------------------------
+
/* 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.
-*/
+ the 11th call will then destroy the result from the first call and so on. */
char *int2str(int number, int size)
{
if (size > 20)
size = 20;
- if (size)
+ if (size > 0)
{
sprintf(s, " %09d", number);
return &s[strlen(s) - size];
}
}
-unsigned int SimpleRND(unsigned int max)
+
+// something similar to "int2str()" above, but allocates its own memory
+// and has a different interface; we cannot use "itoa()", because this
+// seems to be already defined when cross-compiling to the win32 target
+
+char *i_to_a(unsigned int i)
{
-#if defined(TARGET_SDL)
- static unsigned long root = 654321;
- unsigned long current_ms;
+ static char *a = NULL;
- current_ms = SDL_GetTicks();
- root = root * 4253261 + current_ms;
- return (root % max);
-#else
- static unsigned long root = 654321;
- struct timeval current_time;
+ checked_free(a);
- gettimeofday(¤t_time, NULL);
- root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
- return (root % max);
-#endif
-}
+ if (i > 2147483647) // yes, this is a kludge
+ i = 2147483647;
-#ifdef DEBUG
-static unsigned int last_RND_value = 0;
+ a = checked_malloc(10 + 1);
-unsigned int last_RND()
-{
- return last_RND_value;
-}
-#endif
+ sprintf(a, "%d", i);
-unsigned int RND(unsigned int max)
-{
-#ifdef DEBUG
- return (last_RND_value = random_linux_libc() % max);
-#else
- return (random_linux_libc() % max);
-#endif
+ return a;
}
-unsigned int InitRND(long seed)
+
+// calculate base-2 logarithm of argument (rounded down to integer;
+// this function returns the number of the highest bit set in argument)
+
+int log_2(unsigned int x)
{
-#if defined(TARGET_SDL)
- unsigned long current_ms;
+ int e = 0;
- if (seed == NEW_RANDOMIZE)
- {
- current_ms = SDL_GetTicks();
- srandom_linux_libc((unsigned int) current_ms);
- return (unsigned int) current_ms;
- }
- else
+ while ((1 << e) < x)
{
- srandom_linux_libc((unsigned int) seed);
- return (unsigned int) seed;
+ x -= (1 << e); // for rounding down (rounding up: remove this line)
+ e++;
}
-#else
- struct timeval current_time;
- if (seed == NEW_RANDOMIZE)
- {
- gettimeofday(¤t_time, NULL);
- srandom_linux_libc((unsigned int) current_time.tv_usec);
- return (unsigned int) current_time.tv_usec;
- }
- else
- {
- srandom_linux_libc((unsigned int) seed);
- return (unsigned int) seed;
- }
-#endif
+ return e;
}
-char *getLoginName()
+boolean getTokenValueFromString(char *string, char **token, char **value)
{
-#if defined(PLATFORM_WIN32)
- return ANONYMOUS_NAME;
-#else
- struct passwd *pwd;
-
- if ((pwd = getpwuid(getuid())) == NULL)
- return ANONYMOUS_NAME;
- else
- return pwd->pw_name;
-#endif
+ return getTokenValueFromSetupLine(string, token, value);
}
-char *getRealName()
-{
-#if defined(PLATFORM_UNIX)
- struct passwd *pwd;
-
- if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0)
- return ANONYMOUS_NAME;
- else
- {
- static char real_name[1024];
- char *from_ptr = pwd->pw_gecos, *to_ptr = real_name;
- if (strchr(pwd->pw_gecos, 'ß') == NULL)
- return pwd->pw_gecos;
+// ----------------------------------------------------------------------------
+// UUID functions
+// ----------------------------------------------------------------------------
- /* the user's real name contains a 'ß' character (german sharp s),
- which has no equivalent in upper case letters (which our fonts use) */
- while (*from_ptr != '\0' && (long)(to_ptr - real_name) < 1024 - 2)
- {
- if (*from_ptr != 'ß')
- *to_ptr++ = *from_ptr++;
- else
- {
- from_ptr++;
- *to_ptr++ = 's';
- *to_ptr++ = 's';
- }
- }
- *to_ptr = '\0';
+#define UUID_BYTES 16
+#define UUID_CHARS (UUID_BYTES * 2)
+#define UUID_LENGTH (UUID_CHARS + 4)
- return real_name;
- }
-#else /* !PLATFORM_UNIX */
- return ANONYMOUS_NAME;
-#endif
+static unsigned int uuid_random_function(int max)
+{
+ return GetBetterRandom(max);
}
-char *getHomeDir()
+char *getUUIDExt(unsigned int (*random_function)(int max))
{
-#if defined(PLATFORM_UNIX)
- static char *home_dir = NULL;
+ static char uuid[UUID_LENGTH + 1];
+ int data[UUID_BYTES];
+ int count = 0;
+ int i;
+
+ for (i = 0; i < UUID_BYTES; i++)
+ data[i] = random_function(256);
- if (!home_dir)
+ data[6] = 0x40 | (data[6] & 0x0f);
+ data[8] = 0x80 | (data[8] & 0x3f);
+
+ for (i = 0; i < UUID_BYTES; i++)
{
- if (!(home_dir = getenv("HOME")))
- {
- struct passwd *pwd;
+ sprintf(&uuid[count], "%02x", data[i]);
+ count += 2;
- if ((pwd = getpwuid(getuid())))
- home_dir = pwd->pw_dir;
- else
- home_dir = ".";
- }
+ if (i == 3 || i == 5 || i == 7 || i == 9)
+ strcat(&uuid[count++], "-");
}
- return home_dir;
-#else
- return ".";
-#endif
+ return uuid;
}
-char *getPath2(char *path1, char *path2)
+char *getUUID(void)
{
- char *complete_path = checked_malloc(strlen(path1) + 1 +
- strlen(path2) + 1);
+ return getUUIDExt(uuid_random_function);
+}
+
- sprintf(complete_path, "%s/%s", path1, path2);
- return complete_path;
+// ----------------------------------------------------------------------------
+// counter functions
+// ----------------------------------------------------------------------------
+
+// maximal allowed length of a command line option
+#define MAX_OPTION_LEN 256
+
+static unsigned int getCurrentMS(void)
+{
+ return SDL_GetTicks();
}
-char *getPath3(char *path1, char *path2, char *path3)
+static unsigned int mainCounter(int mode)
{
- char *complete_path = checked_malloc(strlen(path1) + 1 +
- strlen(path2) + 1 +
- strlen(path3) + 1);
+ static unsigned int base_ms = 0;
+ unsigned int current_ms;
+
+ // get current system milliseconds
+ current_ms = getCurrentMS();
+
+ // reset base timestamp in case of counter reset or wrap-around
+ if (mode == INIT_COUNTER || current_ms < base_ms)
+ base_ms = current_ms;
- sprintf(complete_path, "%s/%s/%s", path1, path2, path3);
- return complete_path;
+ // return milliseconds since last counter reset
+ return current_ms - base_ms;
}
-char *getStringCopy(char *s)
+void InitCounter(void) // set counter back to zero
{
- char *s_copy;
+ mainCounter(INIT_COUNTER);
+}
- if (s == NULL)
- return NULL;
+unsigned int Counter(void) // get milliseconds since last call of InitCounter()
+{
+ return mainCounter(READ_COUNTER);
+}
- s_copy = checked_malloc(strlen(s) + 1);
+static void sleep_milliseconds(unsigned int milliseconds_delay)
+{
+ SDL_Delay(milliseconds_delay);
+}
- strcpy(s_copy, s);
- return s_copy;
+void Delay(unsigned int delay) // Sleep specified number of milliseconds
+{
+ sleep_milliseconds(delay);
}
-char *getStringToLower(char *s)
+boolean DelayReachedExt2(unsigned int *counter_var, unsigned int delay,
+ unsigned int actual_counter)
{
- char *s_copy = checked_malloc(strlen(s) + 1);
- char *s_ptr = s_copy;
+ if (actual_counter >= *counter_var &&
+ actual_counter < *counter_var + delay)
+ return FALSE;
- while (*s)
- *s_ptr++ = tolower(*s++);
- *s_ptr = '\0';
+ *counter_var = actual_counter;
- return s_copy;
+ return TRUE;
}
-void GetOptions(char *argv[])
+boolean DelayReachedExt(DelayCounter *counter, unsigned int actual_counter)
{
- char **options_left = &argv[1];
-
- /* initialize global program options */
- options.display_name = NULL;
- options.server_host = NULL;
- options.server_port = 0;
- 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.debug = FALSE;
-
- while (*options_left)
- {
- char option_str[MAX_OPTION_LEN];
- char *option = options_left[0];
- char *next_option = options_left[1];
- char *option_arg = NULL;
- int option_len = strlen(option);
+ return DelayReachedExt2(&counter->count, counter->value, actual_counter);
+}
- if (option_len >= MAX_OPTION_LEN)
- Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
+boolean FrameReached(DelayCounter *counter)
+{
+ return DelayReachedExt(counter, FrameCounter);
+}
- strcpy(option_str, option); /* copy argument into buffer */
- option = option_str;
+boolean DelayReached(DelayCounter *counter)
+{
+ return DelayReachedExt(counter, Counter());
+}
- if (strcmp(option, "--") == 0) /* stop scanning arguments */
- break;
+void ResetDelayCounterExt(DelayCounter *counter, unsigned int actual_counter)
+{
+ DelayReachedExt2(&counter->count, 0, actual_counter);
+}
- if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
- option++;
+void ResetFrameCounter(DelayCounter *counter)
+{
+ ResetDelayCounterExt(counter, FrameCounter);
+}
- option_arg = strchr(option, '=');
- if (option_arg == NULL) /* no '=' in option */
- option_arg = next_option;
- else
- {
- *option_arg++ = '\0'; /* cut argument from option */
- if (*option_arg == '\0') /* no argument after '=' */
- Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
- }
+void ResetDelayCounter(DelayCounter *counter)
+{
+ ResetDelayCounterExt(counter, Counter());
+}
- option_len = strlen(option);
+int WaitUntilDelayReached(DelayCounter *counter)
+{
+ unsigned int *counter_var = &counter->count;
+ unsigned int delay = counter->value;
+ unsigned int actual_counter;
+ int skip_frames = 0;
- if (strcmp(option, "-") == 0)
- Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
- else if (strncmp(option, "-help", option_len) == 0)
- {
- printf("Usage: %s [options] [server.name [port]]\n"
- "Options:\n"
- " -d, --display machine:0 X server display\n"
- " -b, --basepath directory alternative base 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"
- " --debug display debugging information\n",
- program.command_basename);
- exit(0);
- }
- else if (strncmp(option, "-display", option_len) == 0)
- {
- if (option_arg == NULL)
- Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+ while (1)
+ {
+ actual_counter = Counter();
- options.display_name = option_arg;
- if (option_arg == next_option)
- options_left++;
- }
- else if (strncmp(option, "-basepath", option_len) == 0)
- {
- if (option_arg == NULL)
- Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+ if (actual_counter >= *counter_var &&
+ actual_counter < *counter_var + delay)
+ sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
+ else
+ break;
+ }
- /* 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++;
+ if (*counter_var != 0 &&
+ delay != 0 &&
+ actual_counter >= *counter_var + delay)
+ {
+ int lag = actual_counter - (*counter_var + delay);
+ int delay2 = (delay + 1) / 2;
- /* adjust path for level directory accordingly */
- options.level_directory =
- getPath2(options.ro_base_directory, LEVELS_DIRECTORY);
- }
- else if (strncmp(option, "-levels", option_len) == 0)
- {
- if (option_arg == NULL)
- Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+ if (lag >= delay2)
+ skip_frames = (lag + delay2) / delay;
+ }
- options.level_directory = option_arg;
- if (option_arg == next_option)
- options_left++;
- }
- else if (strncmp(option, "-network", option_len) == 0)
- {
- options.network = TRUE;
- }
- else if (strncmp(option, "-serveronly", option_len) == 0)
- {
- options.serveronly = TRUE;
- }
- else if (strncmp(option, "-verbose", option_len) == 0)
- {
- options.verbose = TRUE;
- }
- else if (strncmp(option, "-debug", option_len) == 0)
- {
- options.debug = TRUE;
- }
- else if (*option == '-')
- {
- Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
- }
- else if (options.server_host == NULL)
- {
- options.server_host = *options_left;
- }
- else if (options.server_port == 0)
- {
- options.server_port = atoi(*options_left);
- if (options.server_port < 1024)
- Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
- }
- else
- Error(ERR_EXIT_HELP, "too many arguments");
+ *counter_var = actual_counter;
- options_left++;
- }
+ return skip_frames;
}
-void Error(int mode, char *format, ...)
+void SkipUntilDelayReached(DelayCounter *counter,
+ int *loop_var, int last_loop_value)
{
- char *process_name = "";
- FILE *error = stderr;
- char *newline = "\n";
+ int skip_frames = WaitUntilDelayReached(counter);
+
+#if 0
+#if DEBUG
+ if (skip_frames)
+ Debug("internal:SkipUntilDelayReached",
+ "%d: %d ms -> SKIP %d FRAME(S) [%d ms]",
+ *loop_var, counter->value,
+ skip_frames, skip_frames * counter->value);
+ else
+ Debug("internal:SkipUntilDelayReached",
+ "%d: %d ms",
+ *loop_var, counter->value);
+#endif
+#endif
- /* display warnings only when running in verbose mode */
- if (mode & ERR_WARN && !options.verbose)
+ if (skip_frames == 0)
return;
-#if !defined(PLATFORM_UNIX)
- newline = "\r\n";
+ // when skipping frames, make sure to never skip the last frame, as
+ // this may be needed for animations to reach a defined end state;
+ // furthermore, we assume that this function is called at the end
+ // of a "for" loop, which continues by incrementing the loop variable
+ // by one before checking the loop condition again; therefore we have
+ // to check against the last loop value minus one here
+
+ last_loop_value--;
- if ((error = openErrorFile()) == NULL)
+ if (*loop_var < last_loop_value) // never skip the last frame
{
- printf("Cannot write to error output file!%s", newline);
- program.exit_function(1);
+ *loop_var += skip_frames;
+
+ if (*loop_var > last_loop_value) // never skip the last frame
+ *loop_var = last_loop_value;
}
-#endif
+}
- if (mode & ERR_SOUND_SERVER)
- process_name = " sound server";
- else if (mode & ERR_NETWORK_SERVER)
- process_name = " network server";
- else if (mode & ERR_NETWORK_CLIENT)
- process_name = " network client **";
- if (format)
+// ----------------------------------------------------------------------------
+// random generator functions
+// ----------------------------------------------------------------------------
+
+static unsigned int init_random_number_ext(int nr, int seed)
+{
+ if (seed == NEW_RANDOMIZE)
{
- va_list ap;
+ // default random seed
+ seed = (int)time(NULL); // seconds since the epoch
- fprintf(error, "%s%s: ", program.command_basename, process_name);
+#if !defined(PLATFORM_WINDOWS)
+ // add some more randomness
+ struct timeval current_time;
- if (mode & ERR_WARN)
- fprintf(error, "warning: ");
+ gettimeofday(¤t_time, NULL);
- va_start(ap, format);
- vfprintf(error, format, ap);
- va_end(ap);
-
- fprintf(error, "%s", newline);
+ seed += (int)current_time.tv_usec; // microseconds since the epoch
+#endif
+
+ // add some more randomness
+ seed += (int)SDL_GetTicks(); // milliseconds since SDL init
+
+ // add some more randomness
+ seed += GetSimpleRandom(1000000);
}
-
- if (mode & ERR_HELP)
- fprintf(error, "%s: Try option '--help' for more information.%s",
- program.command_basename, newline);
- if (mode & ERR_EXIT)
- fprintf(error, "%s%s: aborting%s",
- program.command_basename, process_name, newline);
+ srandom_linux_libc(nr, (unsigned int) seed);
- if (error != stderr)
- fclose(error);
+ return (unsigned int) seed;
+}
- if (mode & ERR_EXIT)
- {
- if (mode & ERR_FROM_SERVER)
- exit(1); /* child process: normal exit */
- else
- program.exit_function(1); /* main process: clean up stuff */
- }
+static unsigned int prng_seed_gettimeofday(void)
+{
+ struct timeval current_time;
+
+ gettimeofday(¤t_time, NULL);
+
+ prng_seed_bytes(¤t_time, sizeof(current_time));
+
+ return 0;
}
-void *checked_malloc(unsigned long size)
+unsigned int init_random_number(int nr, int seed)
{
- void *ptr;
+ return (nr == RANDOM_BETTER ? prng_seed_gettimeofday() :
+ init_random_number_ext(nr, seed));
+}
- ptr = malloc(size);
+static unsigned int get_random_number_ext(int nr)
+{
+ return (nr == RANDOM_BETTER ? prng_get_uint() :
+ random_linux_libc(nr));
+}
- if (ptr == NULL)
- Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+unsigned int get_random_number(int nr, int max)
+{
+ return (max > 0 ? get_random_number_ext(nr) % max : 0);
+}
- return ptr;
+
+// ----------------------------------------------------------------------------
+// system info functions
+// ----------------------------------------------------------------------------
+
+#if !defined(PLATFORM_ANDROID)
+static char *get_corrected_real_name(char *real_name)
+{
+ char *real_name_new = checked_malloc(MAX_USERNAME_LEN + 1);
+ char *from_ptr = real_name;
+ char *to_ptr = real_name_new;
+
+ // copy the name string, but not more than MAX_USERNAME_LEN characters
+ while (*from_ptr && (int)(to_ptr - real_name_new) < MAX_USERNAME_LEN - 1)
+ {
+ // the name field read from "passwd" file may also contain additional
+ // user information, separated by commas, which will be removed here
+ if (*from_ptr == ',')
+ break;
+
+ // the user's real name may contain 'german sharp s' characters,
+ // which have no equivalent in upper case letters (used by our fonts)
+ if (*from_ptr == CHAR_BYTE_SHARP_S)
+ {
+ from_ptr++;
+ *to_ptr++ = 's';
+ *to_ptr++ = 's';
+ }
+ else
+ *to_ptr++ = *from_ptr++;
+ }
+
+ *to_ptr = '\0';
+
+ return real_name_new;
}
+#endif
-void *checked_calloc(unsigned long size)
+#if defined(PLATFORM_UNIX)
+static struct passwd *getPasswdEntry(void)
{
- void *ptr;
+#if defined(PLATFORM_EMSCRIPTEN)
+ // currently not fully supported; force fallback to default values
+ return NULL;
+#else
+ return getpwuid(getuid());
+#endif
+}
- ptr = calloc(1, size);
+char *getUnixLoginName(void)
+{
+ struct passwd *pwd = getPasswdEntry();
- if (ptr == NULL)
- Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+ if (pwd != NULL && strlen(pwd->pw_name) != 0)
+ return pwd->pw_name;
- return ptr;
+ return NULL;
}
-void *checked_realloc(void *ptr, unsigned long size)
+char *getUnixRealName(void)
{
- ptr = realloc(ptr, size);
+ struct passwd *pwd = getPasswdEntry();
- if (ptr == NULL)
- Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+ if (pwd != NULL && strlen(pwd->pw_gecos) != 0)
+ return pwd->pw_gecos;
- return ptr;
+ return NULL;
}
-short getFile16BitInteger(FILE *file, int byte_order)
+char *getUnixHomeDir(void)
{
- 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));
+ struct passwd *pwd = getPasswdEntry();
+
+ if (pwd != NULL && strlen(pwd->pw_dir) != 0)
+ return pwd->pw_dir;
+
+ return NULL;
}
+#endif
-void putFile16BitInteger(FILE *file, short value, int byte_order)
+char *getLoginName(void)
{
- if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ static char *login_name = NULL;
+
+#if defined(PLATFORM_WINDOWS)
+ if (login_name == NULL)
{
- fputc((value >> 8) & 0xff, file);
- fputc((value >> 0) & 0xff, file);
+ unsigned long buffer_size = MAX_USERNAME_LEN + 1;
+
+ login_name = checked_malloc(buffer_size);
+
+ if (GetUserName(login_name, &buffer_size) == 0)
+ strcpy(login_name, ANONYMOUS_NAME);
}
- else /* BYTE_ORDER_LITTLE_ENDIAN */
+#elif defined(PLATFORM_UNIX) && !defined(PLATFORM_ANDROID)
+ if (login_name == NULL)
{
- fputc((value >> 0) & 0xff, file);
- fputc((value >> 8) & 0xff, file);
+ char *name = getUnixLoginName();
+
+ if (name != NULL)
+ login_name = getStringCopy(name);
+ else
+ login_name = ANONYMOUS_NAME;
}
-}
+#else
+ login_name = ANONYMOUS_NAME;
+#endif
-int getFile32BitInteger(FILE *file, int byte_order)
-{
- 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));
+ return login_name;
}
-void putFile32BitInteger(FILE *file, int value, int byte_order)
+char *getRealName(void)
{
- if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ static char *real_name = NULL;
+
+#if defined(PLATFORM_WINDOWS)
+ if (real_name == NULL)
{
- fputc((value >> 24) & 0xff, file);
- fputc((value >> 16) & 0xff, file);
- fputc((value >> 8) & 0xff, file);
- fputc((value >> 0) & 0xff, file);
+ static char buffer[MAX_USERNAME_LEN + 1];
+ unsigned long buffer_size = MAX_USERNAME_LEN + 1;
+
+ if (GetUserName(buffer, &buffer_size) != 0)
+ real_name = get_corrected_real_name(buffer);
+ else
+ real_name = ANONYMOUS_NAME;
}
- else /* BYTE_ORDER_LITTLE_ENDIAN */
+#elif defined(PLATFORM_UNIX) && !defined(PLATFORM_ANDROID)
+ if (real_name == NULL)
{
- fputc((value >> 0) & 0xff, file);
- fputc((value >> 8) & 0xff, file);
- fputc((value >> 16) & 0xff, file);
- fputc((value >> 24) & 0xff, file);
+ char *name = getUnixRealName();
+
+ if (name != NULL)
+ real_name = get_corrected_real_name(name);
+ else
+ real_name = ANONYMOUS_NAME;
}
+#else
+ real_name = ANONYMOUS_NAME;
+#endif
+
+ return real_name;
}
-boolean getFileChunk(FILE *file, char *chunk_name, int *chunk_size,
- int byte_order)
+char *getFixedUserName(char *name)
{
- const int chunk_name_length = 4;
+ // needed because player name must be a fixed length string
+ char *name_new = checked_malloc(MAX_PLAYER_NAME_LEN + 1);
- /* read chunk name */
- fgets(chunk_name, chunk_name_length + 1, file);
+ strncpy(name_new, name, MAX_PLAYER_NAME_LEN);
+ name_new[MAX_PLAYER_NAME_LEN] = '\0';
- if (chunk_size != NULL)
- {
- /* read chunk size */
- *chunk_size = getFile32BitInteger(file, byte_order);
- }
+ if (strlen(name) > MAX_PLAYER_NAME_LEN) // name has been cut
+ if (strchr(name_new, ' '))
+ *strchr(name_new, ' ') = '\0';
- return (feof(file) || ferror(file) ? FALSE : TRUE);
+ return name_new;
}
-void putFileChunk(FILE *file, char *chunk_name, int chunk_size,
- int byte_order)
+char *getDefaultUserName(int nr)
{
- /* write chunk name */
- fputs(chunk_name, file);
+ static char *user_name[MAX_PLAYER_NAMES] = { NULL };
- if (chunk_size >= 0)
+ nr = MIN(MAX(0, nr), MAX_PLAYER_NAMES - 1);
+
+ if (user_name[nr] == NULL)
{
- /* write chunk size */
- putFile32BitInteger(file, chunk_size, byte_order);
+ user_name[nr] = (nr == 0 ? getLoginName() : EMPTY_PLAYER_NAME);
+ user_name[nr] = getFixedUserName(user_name[nr]);
}
+
+ return user_name[nr];
}
-void ReadUnusedBytesFromFile(FILE *file, unsigned long bytes)
+char *getTimestampFromEpoch(time_t epoch_seconds)
{
- while (bytes--)
- fgetc(file);
+ struct tm *now = localtime(&epoch_seconds);
+ static char timestamp[20];
+
+ sprintf(timestamp, "%04d%02d%02d-%02d%02d%02d",
+ now->tm_year + 1900, now->tm_mon + 1, now->tm_mday,
+ now->tm_hour, now->tm_min, now->tm_sec);
+
+ return timestamp;
}
-void WriteUnusedBytesToFile(FILE *file, unsigned long bytes)
+char *getCurrentTimestamp(void)
{
- while (bytes--)
- fputc(0, file);
+ return getTimestampFromEpoch(time(NULL));
}
-#define TRANSLATE_KEYSYM_TO_KEYNAME 0
-#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
-#define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
-
-void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
+time_t getFileTimestampEpochSeconds(char *filename)
{
- static struct
- {
- Key key;
- char *x11name;
- char *name;
- } translate_key[] =
- {
- /* normal cursor keys */
- { KSYM_Left, "XK_Left", "cursor left" },
- { KSYM_Right, "XK_Right", "cursor right" },
- { KSYM_Up, "XK_Up", "cursor up" },
- { KSYM_Down, "XK_Down", "cursor down" },
+ struct stat file_status;
- /* keypad cursor keys */
-#ifdef KSYM_KP_Left
- { KSYM_KP_Left, "XK_KP_Left", "keypad left" },
- { KSYM_KP_Right, "XK_KP_Right", "keypad right" },
- { KSYM_KP_Up, "XK_KP_Up", "keypad up" },
- { KSYM_KP_Down, "XK_KP_Down", "keypad down" },
-#endif
+ if (stat(filename, &file_status) != 0) // cannot stat file
+ return 0;
- /* other keypad keys */
-#ifdef KSYM_KP_Enter
- { KSYM_KP_Enter, "XK_KP_Enter", "keypad enter" },
- { KSYM_KP_Add, "XK_KP_Add", "keypad +" },
- { KSYM_KP_Subtract, "XK_KP_Subtract", "keypad -" },
- { KSYM_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
- { KSYM_KP_Divide, "XK_KP_Divide", "keypad /" },
- { KSYM_KP_Separator,"XK_KP_Separator", "keypad ," },
-#endif
+ return file_status.st_mtime;
+}
- /* modifier keys */
- { KSYM_Shift_L, "XK_Shift_L", "left shift" },
- { KSYM_Shift_R, "XK_Shift_R", "right shift" },
- { KSYM_Control_L, "XK_Control_L", "left control" },
- { KSYM_Control_R, "XK_Control_R", "right control" },
- { KSYM_Meta_L, "XK_Meta_L", "left meta" },
- { KSYM_Meta_R, "XK_Meta_R", "right meta" },
- { KSYM_Alt_L, "XK_Alt_L", "left alt" },
- { KSYM_Alt_R, "XK_Alt_R", "right alt" },
- { KSYM_Super_L, "XK_Super_L", "left super" }, /* Win-L */
- { KSYM_Super_R, "XK_Super_R", "right super" }, /* Win-R */
- { KSYM_Mode_switch, "XK_Mode_switch", "mode switch" }, /* Alt-R */
- { KSYM_Multi_key, "XK_Multi_key", "multi key" }, /* Ctrl-R */
- /* some special keys */
- { KSYM_BackSpace, "XK_BackSpace", "backspace" },
- { KSYM_Delete, "XK_Delete", "delete" },
- { KSYM_Insert, "XK_Insert", "insert" },
- { KSYM_Tab, "XK_Tab", "tab" },
- { KSYM_Home, "XK_Home", "home" },
- { KSYM_End, "XK_End", "end" },
- { KSYM_Page_Up, "XK_Page_Up", "page up" },
- { KSYM_Page_Down, "XK_Page_Down", "page down" },
- { KSYM_Menu, "XK_Menu", "menu" }, /* Win-Menu */
+// ----------------------------------------------------------------------------
+// path manipulation functions
+// ----------------------------------------------------------------------------
- /* ASCII 0x20 to 0x40 keys (except numbers) */
- { KSYM_space, "XK_space", "space" },
- { KSYM_exclam, "XK_exclam", "!" },
- { KSYM_quotedbl, "XK_quotedbl", "\"" },
- { KSYM_numbersign, "XK_numbersign", "#" },
- { KSYM_dollar, "XK_dollar", "$" },
- { KSYM_percent, "XK_percent", "%" },
- { KSYM_ampersand, "XK_ampersand", "&" },
- { KSYM_apostrophe, "XK_apostrophe", "'" },
- { KSYM_parenleft, "XK_parenleft", "(" },
- { KSYM_parenright, "XK_parenright", ")" },
- { KSYM_asterisk, "XK_asterisk", "*" },
- { KSYM_plus, "XK_plus", "+" },
- { KSYM_comma, "XK_comma", "," },
- { KSYM_minus, "XK_minus", "-" },
- { KSYM_period, "XK_period", "." },
- { KSYM_slash, "XK_slash", "/" },
- { KSYM_colon, "XK_colon", ":" },
- { KSYM_semicolon, "XK_semicolon", ";" },
- { KSYM_less, "XK_less", "<" },
- { KSYM_equal, "XK_equal", "=" },
- { KSYM_greater, "XK_greater", ">" },
- { KSYM_question, "XK_question", "?" },
- { KSYM_at, "XK_at", "@" },
-
- /* more ASCII keys */
- { KSYM_bracketleft, "XK_bracketleft", "[" },
- { KSYM_backslash, "XK_backslash", "backslash" },
- { KSYM_bracketright,"XK_bracketright", "]" },
- { KSYM_asciicircum, "XK_asciicircum", "circumflex" },
- { KSYM_underscore, "XK_underscore", "_" },
- { KSYM_grave, "XK_grave", "grave" },
- { KSYM_quoteleft, "XK_quoteleft", "quote left" },
- { KSYM_braceleft, "XK_braceleft", "brace left" },
- { KSYM_bar, "XK_bar", "bar" },
- { KSYM_braceright, "XK_braceright", "brace right" },
- { KSYM_asciitilde, "XK_asciitilde", "ascii tilde" },
-
- /* special (non-ASCII) keys */
- { KSYM_Adiaeresis, "XK_Adiaeresis", "Ä" },
- { KSYM_Odiaeresis, "XK_Odiaeresis", "Ö" },
- { KSYM_Udiaeresis, "XK_Udiaeresis", "Ü" },
- { KSYM_adiaeresis, "XK_adiaeresis", "ä" },
- { KSYM_odiaeresis, "XK_odiaeresis", "ö" },
- { KSYM_udiaeresis, "XK_udiaeresis", "ü" },
- { KSYM_ssharp, "XK_ssharp", "sharp s" },
+static char *getLastPathSeparatorPtr(char *filename)
+{
+ char *last_separator = strrchr(filename, CHAR_PATH_SEPARATOR_UNIX);
- /* end-of-array identifier */
- { 0, NULL, NULL }
- };
+ if (last_separator == NULL) // also try DOS/Windows variant
+ last_separator = strrchr(filename, CHAR_PATH_SEPARATOR_DOS);
- int i;
+ return last_separator;
+}
- if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
- {
- static char name_buffer[30];
- Key key = *keysym;
+char *getBaseNamePtr(char *filename)
+{
+ char *last_separator = getLastPathSeparatorPtr(filename);
- if (key >= KSYM_A && key <= KSYM_Z)
- sprintf(name_buffer, "%c", 'A' + (char)(key - KSYM_A));
- else if (key >= KSYM_a && key <= KSYM_z)
- sprintf(name_buffer, "%c", 'a' + (char)(key - KSYM_a));
- else if (key >= KSYM_0 && key <= KSYM_9)
- sprintf(name_buffer, "%c", '0' + (char)(key - KSYM_0));
- else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
- sprintf(name_buffer, "keypad %c", '0' + (char)(key - KSYM_KP_0));
- else if (key >= KSYM_F1 && key <= KSYM_F24)
- sprintf(name_buffer, "function F%d", (int)(key - KSYM_F1 + 1));
- else if (key == KSYM_UNDEFINED)
- strcpy(name_buffer, "(undefined)");
- else
- {
- i = 0;
+ if (last_separator != NULL)
+ return last_separator + 1; // separator found: strip base path
+ else
+ return filename; // no separator found: filename has no path
+}
- do
- {
- if (key == translate_key[i].key)
- {
- strcpy(name_buffer, translate_key[i].name);
- break;
- }
- }
- while (translate_key[++i].name);
+char *getBaseName(char *filename)
+{
+ return getStringCopy(getBaseNamePtr(filename));
+}
- if (!translate_key[i].name)
- strcpy(name_buffer, "(unknown)");
- }
+char *getBaseNameNoSuffix(char *filename)
+{
+ char *basename = getStringCopy(getBaseNamePtr(filename));
- *name = name_buffer;
- }
- else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
+ // remove trailing suffix (separated by dot or hyphen)
+ if (basename[0] != '.' && basename[0] != '-')
{
- static char name_buffer[30];
- Key key = *keysym;
+ if (strchr(basename, '.') != NULL)
+ *strchr(basename, '.') = '\0';
- if (key >= KSYM_A && key <= KSYM_Z)
- sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KSYM_A));
- else if (key >= KSYM_a && key <= KSYM_z)
- sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KSYM_a));
- else if (key >= KSYM_0 && key <= KSYM_9)
- sprintf(name_buffer, "XK_%c", '0' + (char)(key - KSYM_0));
- else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
- sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - KSYM_KP_0));
- else if (key >= KSYM_F1 && key <= KSYM_F24)
- sprintf(name_buffer, "XK_F%d", (int)(key - KSYM_F1 + 1));
- else if (key == KSYM_UNDEFINED)
- strcpy(name_buffer, "[undefined]");
- else
- {
- i = 0;
+ if (strchr(basename, '-') != NULL)
+ *strchr(basename, '-') = '\0';
+ }
- do
- {
- if (key == translate_key[i].key)
- {
- strcpy(name_buffer, translate_key[i].x11name);
- break;
- }
- }
- while (translate_key[++i].x11name);
+ return basename;
+}
- if (!translate_key[i].x11name)
- sprintf(name_buffer, "0x%04lx", (unsigned long)key);
- }
+char *getBasePath(char *filename)
+{
+ char *basepath = getStringCopy(filename);
+ char *last_separator = getLastPathSeparatorPtr(basepath);
- *x11name = name_buffer;
- }
- else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
+ // if no separator was found, use current directory
+ if (last_separator == NULL)
{
- Key key = KSYM_UNDEFINED;
- char *name_ptr = *x11name;
+ free(basepath);
- if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4)
- {
- char c = name_ptr[3];
+ return getStringCopy(".");
+ }
- if (c >= 'A' && c <= 'Z')
- key = KSYM_A + (Key)(c - 'A');
- else if (c >= 'a' && c <= 'z')
- key = KSYM_a + (Key)(c - 'a');
- else if (c >= '0' && c <= '9')
- key = KSYM_0 + (Key)(c - '0');
- }
- else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7)
- {
- char c = name_ptr[6];
+ // separator found: strip basename
+ *last_separator = '\0';
- if (c >= '0' && c <= '9')
- key = KSYM_0 + (Key)(c - '0');
- }
- else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
- {
- char c1 = name_ptr[4];
- char c2 = name_ptr[5];
- int d = 0;
+ return basepath;
+}
- if ((c1 >= '0' && c1 <= '9') &&
- ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
- d = atoi(&name_ptr[4]);
- if (d >=1 && d <= 24)
- key = KSYM_F1 + (Key)(d - 1);
- }
- else if (strncmp(name_ptr, "XK_", 3) == 0)
- {
- i = 0;
+// ----------------------------------------------------------------------------
+// various string functions
+// ----------------------------------------------------------------------------
- do
- {
- if (strcmp(name_ptr, translate_key[i].x11name) == 0)
- {
- key = translate_key[i].key;
- break;
- }
- }
- while (translate_key[++i].x11name);
- }
- else if (strncmp(name_ptr, "0x", 2) == 0)
- {
- unsigned long value = 0;
+char *getStringCat2WithSeparator(const char *s1,
+ const char *s2,
+ const char *sep)
+{
+ if (s1 == NULL || s2 == NULL || sep == NULL)
+ return NULL;
- name_ptr += 2;
+ char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
+ strlen(s2) + 1);
- while (name_ptr)
- {
- char c = *name_ptr++;
- int d = -1;
+ sprintf(complete_string, "%s%s%s", s1, sep, s2);
- if (c >= '0' && c <= '9')
- d = (int)(c - '0');
- else if (c >= 'a' && c <= 'f')
- d = (int)(c - 'a' + 10);
- else if (c >= 'A' && c <= 'F')
- d = (int)(c - 'A' + 10);
+ return complete_string;
+}
- if (d == -1)
- {
- value = -1;
- break;
- }
+char *getStringCat3WithSeparator(const char *s1,
+ const char *s2,
+ const char *s3,
+ const char *sep)
+{
+ if (s1 == NULL || s2 == NULL || s3 == NULL || sep == NULL)
+ return NULL;
- value = value * 16 + d;
- }
+ char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
+ strlen(s2) + strlen(sep) +
+ strlen(s3) + 1);
- if (value != -1)
- key = (Key)value;
- }
+ sprintf(complete_string, "%s%s%s%s%s", s1, sep, s2, sep, s3);
- *keysym = key;
- }
+ return complete_string;
}
-char *getKeyNameFromKey(Key key)
+char *getStringCat2(const char *s1, const char *s2)
{
- char *name;
+ return getStringCat2WithSeparator(s1, s2, "");
+}
- translate_keyname(&key, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
- return name;
+char *getStringCat3(const char *s1, const char *s2, const char *s3)
+{
+ return getStringCat3WithSeparator(s1, s2, s3, "");
}
-char *getX11KeyNameFromKey(Key key)
+char *getPath2(const char *path1, const char *path2)
{
- char *x11name;
+#if defined(PLATFORM_ANDROID)
+ // workaround for reading from assets directory -- skip "." subdirs in path
+ if (strEqual(path1, "."))
+ return getStringCopy(path2);
+ else if (strEqual(path2, "."))
+ return getStringCopy(path1);
+#endif
- translate_keyname(&key, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
- return x11name;
+ return getStringCat2WithSeparator(path1, path2, STRING_PATH_SEPARATOR);
}
-Key getKeyFromX11KeyName(char *x11name)
+char *getPath3(const char *path1, const char *path2, const char *path3)
{
- Key key;
+#if defined(PLATFORM_ANDROID)
+ // workaround for reading from assets directory -- skip "." subdirs in path
+ if (strEqual(path1, "."))
+ return getStringCat2WithSeparator(path2, path3, STRING_PATH_SEPARATOR);
+ else if (strEqual(path2, "."))
+ return getStringCat2WithSeparator(path1, path3, STRING_PATH_SEPARATOR);
+ else if (strEqual(path3, "."))
+ return getStringCat2WithSeparator(path1, path2, STRING_PATH_SEPARATOR);
+#endif
- translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
- return key;
+ return getStringCat3WithSeparator(path1, path2, path3, STRING_PATH_SEPARATOR);
}
-char getCharFromKey(Key key)
+static char *getPngOrPcxIfNotExists(char *filename)
{
- char *keyname = getKeyNameFromKey(key);
- char letter = 0;
+ // switch from PNG to PCX file and vice versa, if file does not exist
+ // (backwards compatibility with PCX files used in previous versions)
- if (strlen(keyname) == 1)
- letter = keyname[0];
- else if (strcmp(keyname, "space") == 0)
- letter = ' ';
- else if (strcmp(keyname, "circumflex") == 0)
- letter = '^';
+ if (!fileExists(filename) && strSuffix(filename, ".png"))
+ strcpy(&filename[strlen(filename) - 3], "pcx");
+ else if (!fileExists(filename) && strSuffix(filename, ".pcx"))
+ strcpy(&filename[strlen(filename) - 3], "png");
- return letter;
+ return filename;
}
-/* ------------------------------------------------------------------------- */
-/* some functions to handle lists of level directories */
-/* ------------------------------------------------------------------------- */
+char *getImg2(const char *path1, const char *path2)
+{
+ return getPngOrPcxIfNotExists(getPath2(path1, path2));
+}
-struct LevelDirInfo *newLevelDirInfo()
+char *getImg3(const char *path1, const char *path2, const char *path3)
{
- return checked_calloc(sizeof(struct LevelDirInfo));
+ return getPngOrPcxIfNotExists(getPath3(path1, path2, path3));
}
-void pushLevelDirInfo(struct LevelDirInfo **node_first,
- struct LevelDirInfo *node_new)
+char *getStringCopy(const char *s)
{
- node_new->next = *node_first;
- *node_first = node_new;
+ char *s_copy;
+
+ if (s == NULL)
+ return NULL;
+
+ s_copy = checked_malloc(strlen(s) + 1);
+ strcpy(s_copy, s);
+
+ return s_copy;
}
-int numLevelDirInfo(struct LevelDirInfo *node)
+char *getStringCopyN(const char *s, int n)
{
- int num = 0;
+ char *s_copy;
+ int s_len = MAX(0, n);
- while (node)
- {
- num++;
- node = node->next;
- }
+ if (s == NULL)
+ return NULL;
+
+ s_copy = checked_malloc(s_len + 1);
+ strncpy(s_copy, s, s_len);
+ s_copy[s_len] = '\0';
+
+ return s_copy;
+}
- return num;
+char *getStringCopyNStatic(const char *s, int n)
+{
+ static char *s_copy = NULL;
+
+ checked_free(s_copy);
+
+ s_copy = getStringCopyN(s, n);
+
+ return s_copy;
+}
+
+char *getStringToLower(const char *s)
+{
+ char *s_copy = checked_malloc(strlen(s) + 1);
+ char *s_ptr = s_copy;
+
+ while (*s)
+ *s_ptr++ = tolower(*s++);
+ *s_ptr = '\0';
+
+ return s_copy;
}
-boolean validLevelSeries(struct LevelDirInfo *node)
+void setString(char **old_value, const char *new_value)
{
- return (node != NULL && !node->node_group && !node->parent_link);
+ checked_free(*old_value);
+
+ *old_value = getStringCopy(new_value);
}
-struct LevelDirInfo *getFirstValidLevelSeries(struct LevelDirInfo *node)
+char **getSplitStringArray(const char *s, const char *separators, int max_tokens)
{
- if (node == NULL)
+ const char *s_ptr, *s_last = s;
+ byte separator_table[256] = { FALSE };
+ int num_tokens;
+ char **tokens = NULL;
+
+ if (s == NULL)
+ return NULL;
+
+ if (separators == NULL)
+ return NULL;
+
+ if (max_tokens < 1)
+ max_tokens = INT_MAX;
+
+ // if string is empty, return empty array
+ if (*s == '\0')
{
- if (leveldir_first) /* start with first level directory entry */
- return getFirstValidLevelSeries(leveldir_first);
- else
- return NULL;
+ tokens = checked_malloc(sizeof(char *));
+ tokens[0] = NULL;
+
+ return tokens;
}
- 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 */
+
+ // initialize separator table for all characters in separators string
+ for (s_ptr = separators; *s_ptr != '\0'; s_ptr++)
+ separator_table[*(byte *)s_ptr] = TRUE;
+
+ // count number of tokens in string
+ for (num_tokens = 1, s_ptr = s; *s_ptr != '\0'; s_ptr++)
+ if (separator_table[*(byte *)s_ptr] && num_tokens < max_tokens)
+ num_tokens++;
+
+ // allocate array for determined number of tokens
+ tokens = checked_malloc((num_tokens + 1) * sizeof(char *));
+
+ // copy all but last separated sub-strings to array
+ for (num_tokens = 0, s_ptr = s; *s_ptr != '\0'; s_ptr++)
{
- 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);
+ if (separator_table[*(byte *)s_ptr] && num_tokens + 1 < max_tokens)
+ {
+ tokens[num_tokens++] = getStringCopyN(s_last, s_ptr - s_last);
+ s_last = s_ptr + 1;
+ }
}
- else /* this seems to be a regular level series */
- return node;
+
+ // copy last separated sub-string to array
+ tokens[num_tokens++] = getStringCopyN(s_last, s_ptr - s_last);
+
+ // terminate array
+ tokens[num_tokens] = NULL;
+
+ return tokens;
}
-struct LevelDirInfo *getLevelDirInfoFirstGroupEntry(struct LevelDirInfo *node)
+int getStringArrayLength(char **s_array)
{
- if (node == NULL)
- return NULL;
+ int num_strings = 0;
+
+ if (s_array == NULL)
+ return 0;
- if (node->node_parent == NULL) /* top level group */
- return leveldir_first;
- else /* sub level group */
- return node->node_parent->node_group;
+ while (s_array[num_strings] != NULL)
+ num_strings++;
+
+ return num_strings;
}
-int numLevelDirInfoInGroup(struct LevelDirInfo *node)
+void freeStringArray(char **s_array)
{
- return numLevelDirInfo(getLevelDirInfoFirstGroupEntry(node));
+ int i;
+
+ if (s_array == NULL)
+ return;
+
+ for (i = 0; s_array[i] != NULL; i++)
+ checked_free(s_array[i]);
+
+ checked_free(s_array);
}
-int posLevelDirInfo(struct LevelDirInfo *node)
+char *getUnescapedString(const char *s)
{
- struct LevelDirInfo *node_cmp = getLevelDirInfoFirstGroupEntry(node);
- int pos = 0;
+ const char *s_ptr = s;
+ const char *octal_ptr;
+ char *s_unescaped;
+ char *s_unescaped_ptr;
+
+ if (s == NULL)
+ return NULL;
+
+ s_unescaped = checked_malloc(strlen(s) + 1);
+ s_unescaped_ptr = s_unescaped;
+
+ while (*s_ptr != '\0')
+ {
+ if (*s_ptr == '\\')
+ {
+ s_ptr++;
+
+ switch (*s_ptr)
+ {
+ case '\0':
+ Warn("getUnescapedString: trailing \\");
+ goto out;
+
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ *s_unescaped_ptr = 0;
+ octal_ptr = s_ptr;
+
+ while (s_ptr < octal_ptr + 3 && *s_ptr >= '0' && *s_ptr <= '7')
+ {
+ *s_unescaped_ptr = (*s_unescaped_ptr * 8) + (*s_ptr - '0');
+ s_ptr++;
+ }
+
+ s_unescaped_ptr++;
+ s_ptr--;
+ break;
+
+ case 'b':
+ *s_unescaped_ptr++ = '\b';
+ break;
+
+ case 'f':
+ *s_unescaped_ptr++ = '\f';
+ break;
+
+ case 'n':
+ *s_unescaped_ptr++ = '\n';
+ break;
+
+ case 'r':
+ *s_unescaped_ptr++ = '\r';
+ break;
+
+ case 't':
+ *s_unescaped_ptr++ = '\t';
+ break;
+
+ case 'v':
+ *s_unescaped_ptr++ = '\v';
+ break;
+
+ default:
+ /* also handles \" and \\ */
+ *s_unescaped_ptr++ = *s_ptr;
+ break;
+ }
+ }
+ else
+ {
+ *s_unescaped_ptr++ = *s_ptr;
+ }
+
+ s_ptr++;
+ }
+
+ out:
+ *s_unescaped_ptr = '\0';
+
+ return s_unescaped;
+}
+
+boolean strEqual(const char *s1, const char *s2)
+{
+ return (s1 == NULL && s2 == NULL ? TRUE :
+ s1 == NULL && s2 != NULL ? FALSE :
+ s1 != NULL && s2 == NULL ? FALSE :
+ strcmp(s1, s2) == 0);
+}
+
+boolean strEqualN(const char *s1, const char *s2, int n)
+{
+ return (s1 == NULL && s2 == NULL ? TRUE :
+ s1 == NULL && s2 != NULL ? FALSE :
+ s1 != NULL && s2 == NULL ? FALSE :
+ strncmp(s1, s2, n) == 0);
+}
+
+boolean strEqualCase(const char *s1, const char *s2)
+{
+ return (s1 == NULL && s2 == NULL ? TRUE :
+ s1 == NULL && s2 != NULL ? FALSE :
+ s1 != NULL && s2 == NULL ? FALSE :
+ strcasecmp(s1, s2) == 0);
+}
+
+boolean strEqualCaseN(const char *s1, const char *s2, int n)
+{
+ return (s1 == NULL && s2 == NULL ? TRUE :
+ s1 == NULL && s2 != NULL ? FALSE :
+ s1 != NULL && s2 == NULL ? FALSE :
+ strncasecmp(s1, s2, n) == 0);
+}
+
+boolean strPrefix(const char *s, const char *prefix)
+{
+ return (s == NULL && prefix == NULL ? TRUE :
+ s == NULL && prefix != NULL ? FALSE :
+ s != NULL && prefix == NULL ? FALSE :
+ strncmp(s, prefix, strlen(prefix)) == 0);
+}
+
+boolean strSuffix(const char *s, const char *suffix)
+{
+ return (s == NULL && suffix == NULL ? TRUE :
+ s == NULL && suffix != NULL ? FALSE :
+ s != NULL && suffix == NULL ? FALSE :
+ strlen(s) < strlen(suffix) ? FALSE :
+ strcmp(&s[strlen(s) - strlen(suffix)], suffix) == 0);
+}
+
+boolean strPrefixLower(const char *s, const char *prefix)
+{
+ char *s_lower = getStringToLower(s);
+ boolean match = strPrefix(s_lower, prefix);
+
+ free(s_lower);
+
+ return match;
+}
+
+boolean strSuffixLower(const char *s, const char *suffix)
+{
+ char *s_lower = getStringToLower(s);
+ boolean match = strSuffix(s_lower, suffix);
+
+ free(s_lower);
+
+ return match;
+}
+
+boolean isURL(const char *s)
+{
+ while (*s && *s >= 'a' && *s <= 'z')
+ s++;
+
+ return strPrefix(s, "://");
+}
+
+
+// ----------------------------------------------------------------------------
+// command line option handling functions
+// ----------------------------------------------------------------------------
+
+void GetOptions(int argc, char *argv[],
+ void (*print_usage_function)(void),
+ void (*print_version_function)(void))
+{
+ char *base_path = getProgramMainDataPath(argv[0], BASE_PATH);
+ char **argvplus = checked_calloc((argc + 1) * sizeof(char **));
+ char **options_left = &argvplus[1];
+
+ // replace original "argv" with null-terminated array of string pointers
+ while (argc--)
+ argvplus[argc] = argv[argc];
+
+ // initialize global program options
+ options.server_host = NULL;
+ options.server_port = 0;
+
+ options.base_directory = base_path;
+
+ options.level_directory = getPath2(base_path, LEVELS_DIRECTORY);
+ options.graphics_directory = getPath2(base_path, GRAPHICS_DIRECTORY);
+ options.sounds_directory = getPath2(base_path, SOUNDS_DIRECTORY);
+ options.music_directory = getPath2(base_path, MUSIC_DIRECTORY);
+ options.docs_directory = getPath2(base_path, DOCS_DIRECTORY);
+ options.conf_directory = getPath2(base_path, CONF_DIRECTORY);
+
+ options.execute_command = NULL;
+ options.tape_log_filename = NULL;
+ options.special_flags = NULL;
+ options.debug_mode = NULL;
+ options.player_name = NULL;
+ options.identifier = NULL;
+ options.level_nr = NULL;
+
+ options.display_nr = 0;
+
+ options.mytapes = FALSE;
+ options.serveronly = FALSE;
+ options.network = FALSE;
+ options.verbose = FALSE;
+ options.debug = FALSE;
+
+#if 1
+ options.verbose = TRUE;
+#else
+#if !defined(PLATFORM_UNIX)
+ if (*options_left == NULL) // no options given -- enable verbose mode
+ options.verbose = TRUE;
+#endif
+#endif
+
+#if DEBUG
+#if defined(PLATFORM_ANDROID)
+ options.debug = TRUE;
+#endif
+#endif
+
+ while (*options_left)
+ {
+ char option_str[MAX_OPTION_LEN];
+ char *option = options_left[0];
+ char *next_option = options_left[1];
+ char *option_arg = NULL;
+ int option_len = strlen(option);
+
+ if (option_len >= MAX_OPTION_LEN)
+ FailWithHelp("unrecognized option '%s'", option);
+
+ strcpy(option_str, option); // copy argument into buffer
+ option = option_str;
+
+ if (strEqual(option, "--")) // stop scanning arguments
+ break;
+
+ if (strPrefix(option, "--")) // treat '--' like '-'
+ option++;
+
+ option_arg = strchr(option, '=');
+ if (option_arg == NULL) // no '=' in option
+ option_arg = next_option;
+ else
+ {
+ *option_arg++ = '\0'; // cut argument from option
+ if (*option_arg == '\0') // no argument after '='
+ FailWithHelp("option '%s' has invalid argument", option_str);
+ }
+
+ option_len = strlen(option);
+
+ if (strEqual(option, "-"))
+ {
+ FailWithHelp("unrecognized option '%s'", option);
+ }
+ else if (strncmp(option, "-help", option_len) == 0)
+ {
+ print_usage_function();
+
+ exit(0);
+ }
+ else if (strncmp(option, "-basepath", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.base_directory = base_path = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+
+ // adjust paths for sub-directories in base directory accordingly
+ options.level_directory = getPath2(base_path, LEVELS_DIRECTORY);
+ options.graphics_directory = getPath2(base_path, GRAPHICS_DIRECTORY);
+ options.sounds_directory = getPath2(base_path, SOUNDS_DIRECTORY);
+ options.music_directory = getPath2(base_path, MUSIC_DIRECTORY);
+ options.docs_directory = getPath2(base_path, DOCS_DIRECTORY);
+ options.conf_directory = getPath2(base_path, CONF_DIRECTORY);
+ }
+ else if (strncmp(option, "-levels", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.level_directory = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-graphics", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.graphics_directory = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-sounds", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.sounds_directory = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-music", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.music_directory = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-mytapes", option_len) == 0)
+ {
+ options.mytapes = TRUE;
+ }
+ else if (strncmp(option, "-network", option_len) == 0)
+ {
+ options.network = TRUE;
+ }
+ else if (strncmp(option, "-serveronly", option_len) == 0)
+ {
+ options.serveronly = TRUE;
+ }
+ else if (strncmp(option, "-debug", option_len) == 0)
+ {
+ options.debug = TRUE;
+
+ // optionally, debug output can be limited to a specific debug mode
+ if (option_arg != next_option)
+ options.debug_mode = getStringCopy(option_arg);
+ }
+ else if (strncmp(option, "-player-name", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.player_name = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-identifier", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.identifier = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-level-nr", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.level_nr = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-verbose", option_len) == 0)
+ {
+ options.verbose = TRUE;
+ }
+ else if (strncmp(option, "-version", option_len) == 0 ||
+ strncmp(option, "-V", option_len) == 0)
+ {
+ print_version_function();
+
+ exit(0);
+ }
+ else if (strPrefix(option, "-D"))
+ {
+ options.special_flags = getStringCopy(&option[2]);
+ }
+ else if (strncmp(option, "-execute", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.execute_command = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+
+ // when doing batch processing, always enable verbose mode (warnings)
+ options.verbose = TRUE;
+ }
+ else if (strncmp(option, "-tape_logfile", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ options.tape_log_filename = getStringCopy(option_arg);
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-display", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ if (option_arg == next_option)
+ options_left++;
+
+ int display_nr = atoi(option_arg);
+
+#if 1
+ // dirty hack: SDL_GetNumVideoDisplays() seems broken on some systems
+ options.display_nr = display_nr;
+#else
+ options.display_nr =
+ MAX(0, MIN(display_nr, SDL_GetNumVideoDisplays() - 1));
+
+ if (display_nr != options.display_nr)
+ Warn("invalid display %d -- using display %d",
+ display_nr, options.display_nr);
+#endif
+ }
+#if defined(PLATFORM_MAC)
+ else if (strPrefix(option, "-psn"))
+ {
+ // ignore process serial number when launched via GUI on Mac OS X
+ }
+#endif
+ else if (*option == '-')
+ {
+ FailWithHelp("unrecognized option '%s'", option_str);
+ }
+ else if (options.server_host == NULL)
+ {
+ options.server_host = *options_left;
+ }
+ else if (options.server_port == 0)
+ {
+ options.server_port = atoi(*options_left);
+ if (options.server_port < 1024)
+ FailWithHelp("bad port number '%d'", options.server_port);
+ }
+ else
+ FailWithHelp("too many arguments");
+
+ options_left++;
+ }
+}
+
+
+// ----------------------------------------------------------------------------
+// checked memory allocation and freeing functions
+// ----------------------------------------------------------------------------
+
+void *checked_malloc(unsigned int size)
+{
+ void *ptr;
+
+ ptr = malloc(size);
+
+ if (ptr == NULL)
+ Fail("cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
+void *checked_calloc(unsigned int size)
+{
+ void *ptr;
+
+ ptr = calloc(1, size);
+
+ if (ptr == NULL)
+ Fail("cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
+void *checked_realloc(void *ptr, unsigned int size)
+{
+ ptr = realloc(ptr, size);
+
+ if (ptr == NULL)
+ Fail("cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
+void checked_free(void *ptr)
+{
+ if (ptr != NULL) // this check should be done by free() anyway
+ free(ptr);
+}
+
+void clear_mem(void *ptr, unsigned int size)
+{
+#if defined(PLATFORM_WINDOWS)
+ // for unknown reason, memset() sometimes crashes when compiled with MinGW
+ char *cptr = (char *)ptr;
+
+ while (size--)
+ *cptr++ = 0;
+#else
+ memset(ptr, 0, size);
+#endif
+}
+
+
+// ----------------------------------------------------------------------------
+// various helper functions
+// ----------------------------------------------------------------------------
+
+void swap_numbers(int *i1, int *i2)
+{
+ int help = *i1;
+
+ *i1 = *i2;
+ *i2 = help;
+}
+
+void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
+{
+ int help_x = *x1;
+ int help_y = *y1;
+
+ *x1 = *x2;
+ *x2 = help_x;
+
+ *y1 = *y2;
+ *y2 = help_y;
+}
+
+int get_number_of_bits(int bits)
+{
+ /*
+ Counting bits set, Brian Kernighan's way
+
+ Brian Kernighan's method goes through as many iterations as there are set
+ bits. So if we have a 32-bit word with only the high bit set, then it will
+ only go once through the loop.
+
+ Published in 1988, the C Programming Language 2nd Ed. (by Brian W. Kernighan
+ and Dennis M. Ritchie) mentions this in exercise 2-9.
+ First published by Peter Wegner in CACM 3 (1960), 322.
+ */
+
+ int num_bits = 0;
+
+ while (bits)
+ {
+ bits &= bits - 1; // clear the least significant bit set
+ num_bits++;
+ }
+
+ return num_bits;
+}
+
+/* the "put" variants of the following file access functions check for the file
+ pointer being != NULL and return the number of bytes they have or would have
+ written; this allows for chunk writing functions to first determine the size
+ of the (not yet written) chunk, write the correct chunk size and finally
+ write the chunk itself */
+
+int getFile8BitInteger(File *file)
+{
+ return getByteFromFile(file);
+}
+
+int putFile8BitInteger(FILE *file, int value)
+{
+ if (file != NULL)
+ fputc(value, file);
+
+ return 1;
+}
+
+int getFile16BitInteger(File *file, int byte_order)
+{
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ return ((getByteFromFile(file) << 8) |
+ (getByteFromFile(file) << 0));
+ else // BYTE_ORDER_LITTLE_ENDIAN
+ return ((getByteFromFile(file) << 0) |
+ (getByteFromFile(file) << 8));
+}
+
+int putFile16BitInteger(FILE *file, int value, int byte_order)
+{
+ if (file != NULL)
+ {
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ {
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 0) & 0xff, file);
+ }
+ else // BYTE_ORDER_LITTLE_ENDIAN
+ {
+ fputc((value >> 0) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ }
+ }
+
+ return 2;
+}
+
+int getFile32BitInteger(File *file, int byte_order)
+{
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ return ((getByteFromFile(file) << 24) |
+ (getByteFromFile(file) << 16) |
+ (getByteFromFile(file) << 8) |
+ (getByteFromFile(file) << 0));
+ else // BYTE_ORDER_LITTLE_ENDIAN
+ return ((getByteFromFile(file) << 0) |
+ (getByteFromFile(file) << 8) |
+ (getByteFromFile(file) << 16) |
+ (getByteFromFile(file) << 24));
+}
+
+int putFile32BitInteger(FILE *file, int value, int byte_order)
+{
+ if (file != NULL)
+ {
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ {
+ 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((value >> 0) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 16) & 0xff, file);
+ fputc((value >> 24) & 0xff, file);
+ }
+ }
+
+ return 4;
+}
+
+boolean getFileChunk(File *file, char *chunk_name, int *chunk_size,
+ int byte_order)
+{
+ const int chunk_name_length = 4;
+
+ // read chunk name
+ if (getStringFromFile(file, chunk_name, chunk_name_length + 1) == NULL)
+ return FALSE;
+
+ if (chunk_size != NULL)
+ {
+ // read chunk size
+ *chunk_size = getFile32BitInteger(file, byte_order);
+ }
+
+ return (checkEndOfFile(file) ? FALSE : TRUE);
+}
+
+int putFileChunk(FILE *file, char *chunk_name, int chunk_size,
+ int byte_order)
+{
+ int num_bytes = 0;
+
+ // write chunk name
+ if (file != NULL)
+ fputs(chunk_name, file);
+
+ num_bytes += strlen(chunk_name);
+
+ if (chunk_size >= 0)
+ {
+ // write chunk size
+ if (file != NULL)
+ putFile32BitInteger(file, chunk_size, byte_order);
+
+ num_bytes += 4;
+ }
+
+ return num_bytes;
+}
+
+int getFileVersion(File *file)
+{
+ int version_super = getByteFromFile(file);
+ int version_major = getByteFromFile(file);
+ int version_minor = getByteFromFile(file);
+ int version_patch = getByteFromFile(file);
+
+ return VERSION_IDENT(version_super, version_major, version_minor,
+ version_patch);
+}
+
+int putFileVersion(FILE *file, int version)
+{
+ if (file != NULL)
+ {
+ int version_super = VERSION_SUPER(version);
+ int version_major = VERSION_MAJOR(version);
+ int version_minor = VERSION_MINOR(version);
+ int version_patch = VERSION_PATCH(version);
+
+ fputc(version_super, file);
+ fputc(version_major, file);
+ fputc(version_minor, file);
+ fputc(version_patch, file);
+ }
+
+ return 4;
+}
+
+void ReadBytesFromFile(File *file, byte *buffer, unsigned int bytes)
+{
+ int i;
+
+ for (i = 0; i < bytes && !checkEndOfFile(file); i++)
+ buffer[i] = getByteFromFile(file);
+}
+
+void WriteBytesToFile(FILE *file, byte *buffer, unsigned int bytes)
+{
+ int i;
+
+ for (i = 0; i < bytes; i++)
+ fputc(buffer[i], file);
+}
+
+void ReadUnusedBytesFromFile(File *file, unsigned int bytes)
+{
+ while (bytes-- && !checkEndOfFile(file))
+ getByteFromFile(file);
+}
+
+void WriteUnusedBytesToFile(FILE *file, unsigned int bytes)
+{
+ while (bytes--)
+ fputc(0, file);
+}
+
+
+// ----------------------------------------------------------------------------
+// functions to convert between ISO-8859-1 and UTF-8
+// ----------------------------------------------------------------------------
+
+char *getUTF8FromLatin1(char *latin1)
+{
+ int max_utf8_size = 2 * strlen(latin1) + 1;
+ char *utf8 = checked_calloc(max_utf8_size);
+ unsigned char *src = (unsigned char *)latin1;
+ unsigned char *dst = (unsigned char *)utf8;
+
+ while (*src)
+ {
+ if (*src < 128) // pure 7-bit ASCII
+ {
+ *dst++ = *src;
+ }
+ else if (*src >= 160) // non-ASCII characters
+ {
+ *dst++ = 194 + (*src >= 192);
+ *dst++ = 128 + (*src & 63);
+ }
+ else // undefined in ISO-8859-1
+ {
+ *dst++ = '?';
+ }
+
+ src++;
+ }
+
+ // only use the smallest possible string buffer size
+ utf8 = checked_realloc(utf8, strlen(utf8) + 1);
+
+ return utf8;
+}
+
+char *getLatin1FromUTF8(char *utf8)
+{
+ int max_latin1_size = strlen(utf8) + 1;
+ char *latin1 = checked_calloc(max_latin1_size);
+ unsigned char *src = (unsigned char *)utf8;
+ unsigned char *dst = (unsigned char *)latin1;
+
+ while (*src)
+ {
+ if (*src < 128) // pure 7-bit ASCII
+ {
+ *dst++ = *src++;
+ }
+ else if (src[0] == 194 &&
+ src[1] >= 128 && src[1] < 192) // non-ASCII characters
+ {
+ *dst++ = src[1];
+ src += 2;
+ }
+ else if (src[0] == 195 &&
+ src[1] >= 128 && src[1] < 192) // non-ASCII characters
+ {
+ *dst++ = src[1] + 64;
+ src += 2;
+ }
+
+ // all other UTF-8 characters are undefined in ISO-8859-1
+
+ else if (src[0] >= 192 && src[0] < 224 &&
+ src[1] >= 128 && src[1] < 192)
+ {
+ *dst++ = '?';
+ src += 2;
+ }
+ else if (src[0] >= 224 && src[0] < 240 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192)
+ {
+ *dst++ = '?';
+ src += 3;
+ }
+ else if (src[0] >= 240 && src[0] < 248 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192)
+ {
+ *dst++ = '?';
+ src += 4;
+ }
+ else if (src[0] >= 248 && src[0] < 252 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192 &&
+ src[4] >= 128 && src[4] < 192)
+ {
+ *dst++ = '?';
+ src += 5;
+ }
+ else if (src[0] >= 252 && src[0] < 254 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192 &&
+ src[4] >= 128 && src[4] < 192 &&
+ src[5] >= 128 && src[5] < 192)
+ {
+ *dst++ = '?';
+ src += 6;
+ }
+ else
+ {
+ *dst++ = '?';
+ src++;
+ }
+ }
+
+ // only use the smallest possible string buffer size
+ latin1 = checked_realloc(latin1, strlen(latin1) + 1);
+
+ return latin1;
+}
+
+int getTextEncoding(char *text)
+{
+ unsigned char *src = (unsigned char *)text;
+ int encoding = TEXT_ENCODING_ASCII; // default: assume encoding is ASCII
+
+ while (*src)
+ {
+ if (*src >= 128)
+ encoding = TEXT_ENCODING_UTF_8; // non-ASCII character: assume UTF-8
+
+ if (*src < 128)
+ {
+ src++;
+ }
+ else if (src[0] >= 192 && src[0] < 224 &&
+ src[1] >= 128 && src[1] < 192)
+ {
+ src += 2;
+ }
+ else if (src[0] >= 224 && src[0] < 240 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192)
+ {
+ src += 3;
+ }
+ else if (src[0] >= 240 && src[0] < 248 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192)
+ {
+ src += 4;
+ }
+ else if (src[0] >= 248 && src[0] < 252 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192 &&
+ src[4] >= 128 && src[4] < 192)
+ {
+ src += 5;
+ }
+ else if (src[0] >= 252 && src[0] < 254 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192 &&
+ src[4] >= 128 && src[4] < 192 &&
+ src[5] >= 128 && src[5] < 192)
+ {
+ src += 6;
+ }
+ else
+ {
+ return TEXT_ENCODING_UNKNOWN; // non-UTF-8 character: unknown encoding
+ }
+ }
+
+ return encoding;
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for JSON handling
+// ----------------------------------------------------------------------------
+
+char *getEscapedJSON(char *s)
+{
+ int max_json_size = 2 * strlen(s) + 1;
+ char *json = checked_calloc(max_json_size);
+ unsigned char *src = (unsigned char *)s;
+ unsigned char *dst = (unsigned char *)json;
+ char *escaped[256] =
+ {
+ ['\b'] = "\\b",
+ ['\f'] = "\\f",
+ ['\n'] = "\\n",
+ ['\r'] = "\\r",
+ ['\t'] = "\\t",
+ ['\"'] = "\\\"",
+ ['\\'] = "\\\\",
+ };
+
+ while (*src)
+ {
+ if (escaped[*src] != NULL)
+ {
+ char *esc = escaped[*src++];
+
+ while (*esc)
+ *dst++ = *esc++;
+ }
+ else
+ {
+ *dst++ = *src++;
+ }
+ }
+
+ // only use the smallest possible string buffer size
+ json = checked_realloc(json, strlen(json) + 1);
+
+ return json;
+}
+
+
+// ----------------------------------------------------------------------------
+// functions to translate key identifiers between different format
+// ----------------------------------------------------------------------------
+
+#define TRANSLATE_KEYSYM_TO_KEYNAME 0
+#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
+#define TRANSLATE_KEYNAME_TO_KEYSYM 2
+#define TRANSLATE_X11KEYNAME_TO_KEYSYM 3
+
+static void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
+{
+ static struct
+ {
+ Key key;
+ char *x11name;
+ char *name;
+ } translate_key[] =
+ {
+ // return and escape keys
+ { KSYM_Return, "XK_Return", "return" },
+ { KSYM_Escape, "XK_Escape", "escape" },
+
+ // normal cursor keys
+ { KSYM_Left, "XK_Left", "cursor left" },
+ { KSYM_Right, "XK_Right", "cursor right" },
+ { KSYM_Up, "XK_Up", "cursor up" },
+ { KSYM_Down, "XK_Down", "cursor down" },
+
+ // keypad cursor keys
+#ifdef KSYM_KP_Left
+ { KSYM_KP_Left, "XK_KP_Left", "keypad left" },
+ { KSYM_KP_Right, "XK_KP_Right", "keypad right" },
+ { KSYM_KP_Up, "XK_KP_Up", "keypad up" },
+ { KSYM_KP_Down, "XK_KP_Down", "keypad down" },
+#endif
+
+ // other keypad keys
+#ifdef KSYM_KP_Enter
+ { KSYM_KP_Enter, "XK_KP_Enter", "keypad enter" },
+ { KSYM_KP_Add, "XK_KP_Add", "keypad +" },
+ { KSYM_KP_Subtract, "XK_KP_Subtract", "keypad -" },
+ { KSYM_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
+ { KSYM_KP_Divide, "XK_KP_Divide", "keypad /" },
+ { KSYM_KP_Separator,"XK_KP_Separator", "keypad ," },
+#endif
+
+ // modifier keys
+ { KSYM_Shift_L, "XK_Shift_L", "left shift" },
+ { KSYM_Shift_R, "XK_Shift_R", "right shift" },
+ { KSYM_Control_L, "XK_Control_L", "left control" },
+ { KSYM_Control_R, "XK_Control_R", "right control" },
+ { KSYM_Meta_L, "XK_Meta_L", "left meta" },
+ { KSYM_Meta_R, "XK_Meta_R", "right meta" },
+ { KSYM_Alt_L, "XK_Alt_L", "left alt" },
+ { KSYM_Alt_R, "XK_Alt_R", "right alt" },
+ { KSYM_Mode_switch, "XK_Mode_switch", "mode switch" }, // Alt-R
+ { KSYM_Multi_key, "XK_Multi_key", "multi key" }, // Ctrl-R
+
+ // some special keys
+ { KSYM_BackSpace, "XK_BackSpace", "backspace" },
+ { KSYM_Delete, "XK_Delete", "delete" },
+ { KSYM_Insert, "XK_Insert", "insert" },
+ { KSYM_Tab, "XK_Tab", "tab" },
+ { KSYM_Home, "XK_Home", "home" },
+ { KSYM_End, "XK_End", "end" },
+ { KSYM_Page_Up, "XK_Page_Up", "page up" },
+ { KSYM_Page_Down, "XK_Page_Down", "page down" },
+
+ { KSYM_Select, "XK_Select", "select" },
+ { KSYM_Menu, "XK_Menu", "menu" }, // menu key
+ { KSYM_Back, "XK_Back", "back" }, // back key
+ { KSYM_PlayPause, "XK_PlayPause", "play/pause" },
+#if defined(PLATFORM_ANDROID)
+ { KSYM_Rewind, "XK_Rewind", "rewind" },
+ { KSYM_FastForward, "XK_FastForward", "fast forward" },
+#endif
+
+ // ASCII 0x20 to 0x40 keys (except numbers)
+ { KSYM_space, "XK_space", "space" },
+ { KSYM_exclam, "XK_exclam", "!" },
+ { KSYM_quotedbl, "XK_quotedbl", "\"" },
+ { KSYM_numbersign, "XK_numbersign", "#" },
+ { KSYM_dollar, "XK_dollar", "$" },
+ { KSYM_percent, "XK_percent", "%" },
+ { KSYM_ampersand, "XK_ampersand", "&" },
+ { KSYM_apostrophe, "XK_apostrophe", "'" },
+ { KSYM_parenleft, "XK_parenleft", "(" },
+ { KSYM_parenright, "XK_parenright", ")" },
+ { KSYM_asterisk, "XK_asterisk", "*" },
+ { KSYM_plus, "XK_plus", "+" },
+ { KSYM_comma, "XK_comma", "," },
+ { KSYM_minus, "XK_minus", "-" },
+ { KSYM_period, "XK_period", "." },
+ { KSYM_slash, "XK_slash", "/" },
+ { KSYM_colon, "XK_colon", ":" },
+ { KSYM_semicolon, "XK_semicolon", ";" },
+ { KSYM_less, "XK_less", "<" },
+ { KSYM_equal, "XK_equal", "=" },
+ { KSYM_greater, "XK_greater", ">" },
+ { KSYM_question, "XK_question", "?" },
+ { KSYM_at, "XK_at", "@" },
+
+ // more ASCII keys
+ { KSYM_bracketleft, "XK_bracketleft", "[" },
+ { KSYM_backslash, "XK_backslash", "\\" },
+ { KSYM_bracketright,"XK_bracketright", "]" },
+ { KSYM_asciicircum, "XK_asciicircum", "^" },
+ { KSYM_underscore, "XK_underscore", "_" },
+ { KSYM_grave, "XK_grave", "grave" },
+ { KSYM_quoteleft, "XK_quoteleft", "quote left" },
+ { KSYM_braceleft, "XK_braceleft", "brace left" },
+ { KSYM_bar, "XK_bar", "bar" },
+ { KSYM_braceright, "XK_braceright", "brace right" },
+ { KSYM_asciitilde, "XK_asciitilde", "~" },
+
+ // special (non-ASCII) keys
+ { KSYM_degree, "XK_degree", "degree" },
+ { KSYM_Adiaeresis, "XK_Adiaeresis", "A umlaut" },
+ { KSYM_Odiaeresis, "XK_Odiaeresis", "O umlaut" },
+ { KSYM_Udiaeresis, "XK_Udiaeresis", "U umlaut" },
+ { KSYM_adiaeresis, "XK_adiaeresis", "a umlaut" },
+ { KSYM_odiaeresis, "XK_odiaeresis", "o umlaut" },
+ { KSYM_udiaeresis, "XK_udiaeresis", "u umlaut" },
+ { KSYM_ssharp, "XK_ssharp", "sharp s" },
+
+ // special (non-ASCII) keys (UTF-8, for reverse mapping only)
+ { KSYM_degree, "XK_degree", "\xc2\xb0" },
+ { KSYM_Adiaeresis, "XK_Adiaeresis", "\xc3\x84" },
+ { KSYM_Odiaeresis, "XK_Odiaeresis", "\xc3\x96" },
+ { KSYM_Udiaeresis, "XK_Udiaeresis", "\xc3\x9c" },
+ { KSYM_adiaeresis, "XK_adiaeresis", "\xc3\xa4" },
+ { KSYM_odiaeresis, "XK_odiaeresis", "\xc3\xb6" },
+ { KSYM_udiaeresis, "XK_udiaeresis", "\xc3\xbc" },
+ { KSYM_ssharp, "XK_ssharp", "\xc3\x9f" },
+
+ // other keys (for reverse mapping only)
+ { KSYM_space, "XK_space", " " },
+
+ // keypad keys are not in numerical order in SDL2
+ { KSYM_KP_0, "XK_KP_0", "keypad 0" },
+ { KSYM_KP_1, "XK_KP_1", "keypad 1" },
+ { KSYM_KP_2, "XK_KP_2", "keypad 2" },
+ { KSYM_KP_3, "XK_KP_3", "keypad 3" },
+ { KSYM_KP_4, "XK_KP_4", "keypad 4" },
+ { KSYM_KP_5, "XK_KP_5", "keypad 5" },
+ { KSYM_KP_6, "XK_KP_6", "keypad 6" },
+ { KSYM_KP_7, "XK_KP_7", "keypad 7" },
+ { KSYM_KP_8, "XK_KP_8", "keypad 8" },
+ { KSYM_KP_9, "XK_KP_9", "keypad 9" },
+
+ // end-of-array identifier
+ { 0, NULL, NULL }
+ };
+
+ int i;
+
+ if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
+ {
+ static char name_buffer[30];
+ Key key = *keysym;
+
+ if (key >= KSYM_A && key <= KSYM_Z)
+ sprintf(name_buffer, "%c", 'A' + (char)(key - KSYM_A));
+ else if (key >= KSYM_a && key <= KSYM_z)
+ sprintf(name_buffer, "%c", 'a' + (char)(key - KSYM_a));
+ else if (key >= KSYM_0 && key <= KSYM_9)
+ sprintf(name_buffer, "%c", '0' + (char)(key - KSYM_0));
+ else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
+ sprintf(name_buffer, "F%d", (int)(key - KSYM_FKEY_FIRST + 1));
+ else if (key == KSYM_UNDEFINED)
+ strcpy(name_buffer, "(undefined)");
+ else
+ {
+ i = 0;
+
+ do
+ {
+ if (key == translate_key[i].key)
+ {
+ strcpy(name_buffer, translate_key[i].name);
+ break;
+ }
+ }
+ while (translate_key[++i].name);
+
+ if (!translate_key[i].name)
+ strcpy(name_buffer, "(unknown)");
+ }
+
+ *name = name_buffer;
+ }
+ else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
+ {
+ static char name_buffer[30];
+ Key key = *keysym;
+
+ if (key >= KSYM_A && key <= KSYM_Z)
+ sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KSYM_A));
+ else if (key >= KSYM_a && key <= KSYM_z)
+ sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KSYM_a));
+ else if (key >= KSYM_0 && key <= KSYM_9)
+ sprintf(name_buffer, "XK_%c", '0' + (char)(key - KSYM_0));
+ else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
+ sprintf(name_buffer, "XK_F%d", (int)(key - KSYM_FKEY_FIRST + 1));
+ else if (key == KSYM_UNDEFINED)
+ strcpy(name_buffer, "[undefined]");
+ else
+ {
+ i = 0;
+
+ do
+ {
+ if (key == translate_key[i].key)
+ {
+ strcpy(name_buffer, translate_key[i].x11name);
+ break;
+ }
+ }
+ while (translate_key[++i].x11name);
+
+ if (!translate_key[i].x11name)
+ sprintf(name_buffer, "0x%04x", (unsigned int)key);
+ }
+
+ *x11name = name_buffer;
+ }
+ else if (mode == TRANSLATE_KEYNAME_TO_KEYSYM)
+ {
+ Key key = KSYM_UNDEFINED;
+ char *name_ptr = *name;
+
+ if (strlen(*name) == 1)
+ {
+ char c = name_ptr[0];
+
+ if (c >= 'A' && c <= 'Z')
+ key = KSYM_A + (Key)(c - 'A');
+ else if (c >= 'a' && c <= 'z')
+ key = KSYM_a + (Key)(c - 'a');
+ else if (c >= '0' && c <= '9')
+ key = KSYM_0 + (Key)(c - '0');
+ }
+
+ if (key == KSYM_UNDEFINED)
+ {
+ i = 0;
+
+ do
+ {
+ if (strEqual(translate_key[i].name, *name))
+ {
+ key = translate_key[i].key;
+ break;
+ }
+ }
+ while (translate_key[++i].x11name);
+ }
+
+ if (key == KSYM_UNDEFINED)
+ Warn("getKeyFromKeyName(): not completely implemented");
+
+ *keysym = key;
+ }
+ else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
+ {
+ Key key = KSYM_UNDEFINED;
+ char *name_ptr = *x11name;
+
+ if (strPrefix(name_ptr, "XK_") && strlen(name_ptr) == 4)
+ {
+ char c = name_ptr[3];
+
+ if (c >= 'A' && c <= 'Z')
+ key = KSYM_A + (Key)(c - 'A');
+ else if (c >= 'a' && c <= 'z')
+ key = KSYM_a + (Key)(c - 'a');
+ else if (c >= '0' && c <= '9')
+ key = KSYM_0 + (Key)(c - '0');
+ }
+ else if (strPrefix(name_ptr, "XK_F") && strlen(name_ptr) <= 6)
+ {
+ char c1 = name_ptr[4];
+ char c2 = name_ptr[5];
+ int d = 0;
+
+ if ((c1 >= '0' && c1 <= '9') &&
+ ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
+ d = atoi(&name_ptr[4]);
+
+ if (d >= 1 && d <= KSYM_NUM_FKEYS)
+ key = KSYM_F1 + (Key)(d - 1);
+ }
+ else if (strPrefix(name_ptr, "XK_"))
+ {
+ i = 0;
+
+ do
+ {
+ if (strEqual(name_ptr, translate_key[i].x11name))
+ {
+ key = translate_key[i].key;
+ break;
+ }
+ }
+ while (translate_key[++i].x11name);
+ }
+ else if (strPrefix(name_ptr, "0x"))
+ {
+ unsigned int value = 0;
+
+ name_ptr += 2;
+
+ while (name_ptr)
+ {
+ char c = *name_ptr++;
+ int d = -1;
+
+ if (c >= '0' && c <= '9')
+ d = (int)(c - '0');
+ else if (c >= 'a' && c <= 'f')
+ d = (int)(c - 'a' + 10);
+ else if (c >= 'A' && c <= 'F')
+ d = (int)(c - 'A' + 10);
+
+ if (d == -1)
+ {
+ value = -1;
+ break;
+ }
+
+ value = value * 16 + d;
+ }
+
+ if (value != -1)
+ key = (Key)value;
+ }
+
+ *keysym = key;
+ }
+}
+
+char *getKeyNameFromKey(Key key)
+{
+ char *name;
+
+ translate_keyname(&key, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
+ return name;
+}
+
+char *getX11KeyNameFromKey(Key key)
+{
+ char *x11name;
+
+ translate_keyname(&key, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
+ return x11name;
+}
+
+Key getKeyFromKeyName(char *name)
+{
+ Key key;
+
+ translate_keyname(&key, NULL, &name, TRANSLATE_KEYNAME_TO_KEYSYM);
+ return key;
+}
+
+Key getKeyFromX11KeyName(char *x11name)
+{
+ Key key;
+
+ translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
+ return key;
+}
+
+char getCharFromKey(Key key)
+{
+ static struct
+ {
+ Key key;
+ byte key_char;
+ } translate_key_char[] =
+ {
+ // special (non-ASCII) keys (ISO-8859-1)
+ { KSYM_degree, CHAR_BYTE_DEGREE },
+ { KSYM_Adiaeresis, CHAR_BYTE_UMLAUT_A },
+ { KSYM_Odiaeresis, CHAR_BYTE_UMLAUT_O },
+ { KSYM_Udiaeresis, CHAR_BYTE_UMLAUT_U },
+ { KSYM_adiaeresis, CHAR_BYTE_UMLAUT_a },
+ { KSYM_odiaeresis, CHAR_BYTE_UMLAUT_o },
+ { KSYM_udiaeresis, CHAR_BYTE_UMLAUT_u },
+ { KSYM_ssharp, CHAR_BYTE_SHARP_S },
+
+ // end-of-array identifier
+ { 0, 0 }
+ };
+
+ char *keyname = getKeyNameFromKey(key);
+ char c = 0;
+
+ if (strlen(keyname) == 1)
+ c = keyname[0];
+ else if (strEqual(keyname, "space"))
+ c = ' ';
+ else
+ {
+ int i = 0;
+
+ do
+ {
+ if (key == translate_key_char[i].key)
+ {
+ c = translate_key_char[i].key_char;
+
+ break;
+ }
+ }
+ while (translate_key_char[++i].key_char);
+ }
+
+ return c;
+}
+
+char getValidConfigValueChar(char c)
+{
+ if (c == '#' || // used to mark comments
+ c == '\\') // used to mark continued lines
+ c = 0;
+
+ return c;
+}
+
+
+// ----------------------------------------------------------------------------
+// functions to translate string identifiers to integer or boolean value
+// ----------------------------------------------------------------------------
+
+int get_integer_from_string(char *s)
+{
+ // check for the most common case first
+ if (s[0] >= '0' && s[0] <= '9')
+ return atoi(s);
+
+ char *s_lower = getStringToLower(s);
+ int result = -1;
+
+ if (strEqual(s_lower, "false") ||
+ strEqual(s_lower, "no") ||
+ strEqual(s_lower, "off"))
+ result = 0;
+ else if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on"))
+ result = 1;
+ else
+ result = atoi(s);
+
+ free(s_lower);
+
+ return result;
+}
+
+boolean get_boolean_from_string(char *s)
+{
+ char *s_lower = getStringToLower(s);
+ boolean result = FALSE;
+
+ if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on") ||
+ get_integer_from_string(s) == 1)
+ result = TRUE;
+
+ free(s_lower);
+
+ return result;
+}
+
+int get_switch3_from_string(char *s)
+{
+ char *s_lower = getStringToLower(s);
+ int result = FALSE;
+
+ if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on") ||
+ get_integer_from_string(s) == 1)
+ result = TRUE;
+ else if (strEqual(s_lower, "auto"))
+ result = AUTO;
+
+ free(s_lower);
+
+ return result;
+}
+
+int get_player_nr_from_string(char *s)
+{
+ static char *player_text[] =
+ {
+ "player_1",
+ "player_2",
+ "player_3",
+ "player_4",
+
+ NULL
+ };
+
+ char *s_lower = getStringToLower(s);
+ int result = 0;
+ int i;
+
+ for (i = 0; player_text[i] != NULL; i++)
+ if (strEqual(s_lower, player_text[i]))
+ result = i;
+
+ free(s_lower);
+
+ return result;
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for generic lists
+// ----------------------------------------------------------------------------
+
+ListNode *newListNode(void)
+{
+ return checked_calloc(sizeof(ListNode));
+}
+
+void addNodeToList(ListNode **node_first, char *key, void *content)
+{
+ ListNode *node_new = newListNode();
+
+ node_new->key = getStringCopy(key);
+ node_new->content = content;
+ node_new->next = *node_first;
+
+ if (*node_first)
+ (*node_first)->prev = node_new;
+
+ *node_first = node_new;
+}
+
+void deleteNodeFromList(ListNode **node_first, char *key,
+ void (*destructor_function)(void *))
+{
+ if (node_first == NULL || *node_first == NULL)
+ return;
+
+ if (strEqual((*node_first)->key, key))
+ {
+ // after first recursion, (*node_first)->prev->next == *node_first,
+ // so *node_first would be overwritten with (*node_first)->next
+ // => use a copy of *node_first (and later of (*node_first)->next)
+ ListNode *node = *node_first;
+ ListNode *node_next = node->next;
+
+ checked_free(node->key);
+
+ if (destructor_function)
+ destructor_function(node->content);
+
+ if (node->prev)
+ node->prev->next = node->next;
+
+ if (node->next)
+ node->next->prev = node->prev;
+
+ checked_free(node);
+
+ // after removing node, set list pointer to next valid list node
+ // (this is important if the first node of the list was deleted)
+ *node_first = node_next;
+ }
+ else
+ {
+ deleteNodeFromList(&(*node_first)->next, key, destructor_function);
+ }
+}
+
+ListNode *getNodeFromKey(ListNode *node_first, char *key)
+{
+ if (node_first == NULL)
+ return NULL;
+
+ if (strEqual(node_first->key, key))
+ return node_first;
+ else
+ return getNodeFromKey(node_first->next, key);
+}
+
+int getNumNodes(ListNode *node_first)
+{
+ return (node_first ? 1 + getNumNodes(node_first->next) : 0);
+}
+
+#if 0
+static void dumpList(ListNode *node_first)
+{
+ ListNode *node = node_first;
+
+ while (node)
+ {
+ Debug("internal:dumpList", "['%s' (%d)]", node->key,
+ ((struct ListNodeInfo *)node->content)->num_references);
+ node = node->next;
+ }
+
+ Debug("internal:dumpList", "[%d nodes]", getNumNodes(node_first));
+}
+#endif
+
+
+// ----------------------------------------------------------------------------
+// functions for file handling
+// ----------------------------------------------------------------------------
+
+#define MAX_BUFFER_SIZE 4096
+
+File *openFile(char *filename, char *mode)
+{
+ File *file = checked_calloc(sizeof(File));
+
+ file->file = fopen(filename, mode);
+
+ if (file->file != NULL)
+ {
+ file->filename = getStringCopy(filename);
+
+ return file;
+ }
+
+#if defined(PLATFORM_ANDROID)
+ file->asset_file = SDL_RWFromFile(filename, mode);
+
+ if (file->asset_file != NULL)
+ {
+ file->file_is_asset = TRUE;
+ file->filename = getStringCopy(filename);
+
+ return file;
+ }
+#endif
+
+ checked_free(file);
+
+ return NULL;
+}
+
+int closeFile(File *file)
+{
+ if (file == NULL)
+ return -1;
+
+ int result = 0;
+
+#if defined(PLATFORM_ANDROID)
+ if (file->asset_file)
+ result = SDL_RWclose(file->asset_file);
+#endif
+
+ if (file->file)
+ result = fclose(file->file);
+
+ checked_free(file->filename);
+ checked_free(file);
+
+ return result;
+}
+
+int checkEndOfFile(File *file)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ return file->end_of_file;
+#endif
+
+ return feof(file->file);
+}
+
+size_t readFile(File *file, void *buffer, size_t item_size, size_t num_items)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ if (file->end_of_file)
+ return 0;
+
+ size_t num_items_read =
+ SDL_RWread(file->asset_file, buffer, item_size, num_items);
+
+ if (num_items_read < num_items)
+ file->end_of_file = TRUE;
+
+ return num_items_read;
+ }
+#endif
+
+ return fread(buffer, item_size, num_items, file->file);
+}
+
+size_t writeFile(File *file, void *buffer, size_t item_size, size_t num_items)
+{
+ return fwrite(buffer, item_size, num_items, file->file);
+}
+
+int seekFile(File *file, long offset, int whence)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ int sdl_whence = (whence == SEEK_SET ? RW_SEEK_SET :
+ whence == SEEK_CUR ? RW_SEEK_CUR :
+ whence == SEEK_END ? RW_SEEK_END : 0);
+
+ return (SDL_RWseek(file->asset_file, offset, sdl_whence) == -1 ? -1 : 0);
+ }
+#endif
+
+ return fseek(file->file, offset, whence);
+}
+
+int getByteFromFile(File *file)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ if (file->end_of_file)
+ return EOF;
+
+ byte c;
+ size_t num_bytes_read = SDL_RWread(file->asset_file, &c, 1, 1);
+
+ if (num_bytes_read < 1)
+ file->end_of_file = TRUE;
+
+ return (file->end_of_file ? EOF : (int)c);
+ }
+#endif
+
+ return fgetc(file->file);
+}
+
+char *getStringFromFile(File *file, char *line, int size)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ if (file->end_of_file)
+ return NULL;
+
+ char *line_ptr = line;
+ int num_bytes_read = 0;
+
+ while (num_bytes_read < size - 1 &&
+ SDL_RWread(file->asset_file, line_ptr, 1, 1) == 1 &&
+ *line_ptr++ != '\n')
+ num_bytes_read++;
+
+ *line_ptr = '\0';
+
+ if (strlen(line) == 0)
+ {
+ file->end_of_file = TRUE;
+
+ return NULL;
+ }
+
+ return line;
+ }
+#endif
+
+ return fgets(line, size, file->file);
+}
+
+int copyFile(char *filename_from, char *filename_to)
+{
+ File *file_from, *file_to;
+
+ if ((file_from = openFile(filename_from, MODE_READ)) == NULL)
+ {
+ return -1;
+ }
+
+ if ((file_to = openFile(filename_to, MODE_WRITE)) == NULL)
+ {
+ closeFile(file_from);
+
+ return -1;
+ }
+
+ while (!checkEndOfFile(file_from))
+ {
+ byte buffer[MAX_BUFFER_SIZE];
+ size_t bytes_read = readFile(file_from, buffer, 1, MAX_BUFFER_SIZE);
+
+ writeFile(file_to, buffer, 1, bytes_read);
+ }
+
+ closeFile(file_from);
+ closeFile(file_to);
+
+ return 0;
+}
+
+boolean touchFile(char *filename)
+{
+ FILE *file;
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Warn("cannot touch file '%s'", filename);
+
+ return FALSE;
+ }
+
+ fclose(file);
+
+ return TRUE;
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for directory handling
+// ----------------------------------------------------------------------------
+
+Directory *openDirectory(char *dir_name)
+{
+ Directory *dir = checked_calloc(sizeof(Directory));
+
+ dir->dir = opendir(dir_name);
+
+ if (dir->dir != NULL)
+ {
+ dir->filename = getStringCopy(dir_name);
+
+ return dir;
+ }
+
+#if defined(PLATFORM_ANDROID)
+ char *asset_toc_filename = getPath2(dir_name, ASSET_TOC_BASENAME);
+
+ dir->asset_toc_file = SDL_RWFromFile(asset_toc_filename, MODE_READ);
+
+ checked_free(asset_toc_filename);
+
+ if (dir->asset_toc_file != NULL)
+ {
+ dir->directory_is_asset = TRUE;
+ dir->filename = getStringCopy(dir_name);
+
+ return dir;
+ }
+#endif
+
+ checked_free(dir);
+
+ return NULL;
+}
+
+int closeDirectory(Directory *dir)
+{
+ if (dir == NULL)
+ return -1;
+
+ int result = 0;
+
+#if defined(PLATFORM_ANDROID)
+ if (dir->asset_toc_file)
+ result = SDL_RWclose(dir->asset_toc_file);
+#endif
+
+ if (dir->dir)
+ result = closedir(dir->dir);
+
+ if (dir->dir_entry)
+ freeDirectoryEntry(dir->dir_entry);
+
+ checked_free(dir->filename);
+ checked_free(dir);
+
+ return result;
+}
+
+DirectoryEntry *readDirectory(Directory *dir)
+{
+ if (dir->dir_entry)
+ freeDirectoryEntry(dir->dir_entry);
+
+ dir->dir_entry = NULL;
+
+#if defined(PLATFORM_ANDROID)
+ if (dir->directory_is_asset)
+ {
+ char line[MAX_LINE_LEN];
+ char *line_ptr = line;
+ int num_bytes_read = 0;
+
+ while (num_bytes_read < MAX_LINE_LEN - 1 &&
+ SDL_RWread(dir->asset_toc_file, line_ptr, 1, 1) == 1 &&
+ *line_ptr != '\n')
+ {
+ line_ptr++;
+ num_bytes_read++;
+ }
+
+ *line_ptr = '\0';
+
+ if (strlen(line) == 0)
+ return NULL;
+
+ dir->dir_entry = checked_calloc(sizeof(DirectoryEntry));
+
+ dir->dir_entry->is_directory = FALSE;
+ if (line[strlen(line) - 1] == '/')
+ {
+ dir->dir_entry->is_directory = TRUE;
+
+ line[strlen(line) - 1] = '\0';
+ }
+
+ dir->dir_entry->basename = getStringCopy(line);
+ dir->dir_entry->filename = getPath2(dir->filename, line);
+
+ return dir->dir_entry;
+ }
+#endif
+
+ struct dirent *dir_entry = readdir(dir->dir);
+
+ if (dir_entry == NULL)
+ return NULL;
+
+ dir->dir_entry = checked_calloc(sizeof(DirectoryEntry));
+
+ dir->dir_entry->basename = getStringCopy(dir_entry->d_name);
+ dir->dir_entry->filename = getPath2(dir->filename, dir_entry->d_name);
+
+ struct stat file_status;
+
+ dir->dir_entry->is_directory =
+ (stat(dir->dir_entry->filename, &file_status) == 0 &&
+ S_ISDIR(file_status.st_mode));
+
+ return dir->dir_entry;
+}
+
+void freeDirectoryEntry(DirectoryEntry *dir_entry)
+{
+ if (dir_entry == NULL)
+ return;
+
+ checked_free(dir_entry->basename);
+ checked_free(dir_entry->filename);
+ checked_free(dir_entry);
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for checking files and filenames
+// ----------------------------------------------------------------------------
+
+boolean directoryExists(const char *dir_name)
+{
+ if (dir_name == NULL)
+ return FALSE;
+
+ struct stat file_status;
+ boolean success = (stat(dir_name, &file_status) == 0 &&
+ S_ISDIR(file_status.st_mode));
+
+#if defined(PLATFORM_ANDROID)
+ if (!success)
+ {
+ // this might be an asset directory; check by trying to open toc file
+ char *asset_toc_filename = getPath2(dir_name, ASSET_TOC_BASENAME);
+ SDL_RWops *file = SDL_RWFromFile(asset_toc_filename, MODE_READ);
+
+ checked_free(asset_toc_filename);
+
+ success = (file != NULL);
+
+ if (success)
+ SDL_RWclose(file);
+ }
+#endif
+
+ return success;
+}
+
+boolean fileExists(const char *filename)
+{
+ if (filename == NULL)
+ return FALSE;
+
+ boolean success = (access(filename, F_OK) == 0);
+
+#if defined(PLATFORM_ANDROID)
+ if (!success)
+ {
+ // this might be an asset file; check by trying to open it
+ SDL_RWops *file = SDL_RWFromFile(filename, MODE_READ);
+
+ success = (file != NULL);
+
+ if (success)
+ SDL_RWclose(file);
+ }
+#endif
+
+ return success;
+}
+
+#if 0
+static boolean fileHasPrefix(const char *basename, const char *prefix)
+{
+ static char *basename_lower = NULL;
+ int basename_length, prefix_length;
+
+ checked_free(basename_lower);
+
+ if (basename == NULL || prefix == NULL)
+ return FALSE;
+
+ basename_lower = getStringToLower(basename);
+ basename_length = strlen(basename_lower);
+ prefix_length = strlen(prefix);
+
+ if (basename_length > prefix_length + 1 &&
+ basename_lower[prefix_length] == '.' &&
+ strncmp(basename_lower, prefix, prefix_length) == 0)
+ return TRUE;
+
+ return FALSE;
+}
+#endif
+
+static boolean fileHasSuffix(const char *basename, const char *suffix)
+{
+ static char *basename_lower = NULL;
+ int basename_length, suffix_length;
+
+ checked_free(basename_lower);
+
+ if (basename == NULL || suffix == NULL)
+ return FALSE;
+
+ basename_lower = getStringToLower(basename);
+ basename_length = strlen(basename_lower);
+ suffix_length = strlen(suffix);
+
+ if (basename_length > suffix_length + 1 &&
+ basename_lower[basename_length - suffix_length - 1] == '.' &&
+ strEqual(&basename_lower[basename_length - suffix_length], suffix))
+ return TRUE;
+
+ return FALSE;
+}
+
+static boolean FileCouldBeArtwork(char *filename)
+{
+ char *basename = getBaseNamePtr(filename);
+
+ return (!strEqual(basename, ".") &&
+ !strEqual(basename, "..") &&
+ !fileHasSuffix(basename, "txt") &&
+ !fileHasSuffix(basename, "conf") &&
+ !directoryExists(filename));
+}
+
+boolean FileIsGraphic(char *filename)
+{
+ return FileCouldBeArtwork(filename);
+}
+
+boolean FileIsSound(char *filename)
+{
+ return FileCouldBeArtwork(filename);
+}
+
+boolean FileIsMusic(char *filename)
+{
+ return FileCouldBeArtwork(filename);
+}
+
+boolean FileIsArtworkType(char *filename, int type)
+{
+ if ((type == TREE_TYPE_GRAPHICS_DIR && FileIsGraphic(filename)) ||
+ (type == TREE_TYPE_SOUNDS_DIR && FileIsSound(filename)) ||
+ (type == TREE_TYPE_MUSIC_DIR && FileIsMusic(filename)))
+ return TRUE;
+
+ return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// functions for loading artwork configuration information
+// ----------------------------------------------------------------------------
+
+char *get_mapped_token(char *token)
+{
+ // !!! make this dynamically configurable (init.c:InitArtworkConfig) !!!
+ static char *map_token_prefix[][2] =
+ {
+ { "char_procent", "char_percent" },
+ { "bd_magic_wall_filling", "bd_magic_wall.filling" },
+ { "bd_magic_wall_emptying", "bd_magic_wall.emptying" },
+ { "bd_butterfly_left", "bd_butterfly.left" },
+ { "bd_butterfly_right", "bd_butterfly.right" },
+ { "bd_butterfly_up", "bd_butterfly.up" },
+ { "bd_butterfly_down", "bd_butterfly.down" },
+ { "bd_firefly_left", "bd_firefly.left" },
+ { "bd_firefly_right", "bd_firefly.right" },
+ { "bd_firefly_up", "bd_firefly.up" },
+ { "bd_firefly_down", "bd_firefly.down" },
+
+ { NULL, }
+ };
+ int i;
+
+ for (i = 0; map_token_prefix[i][0] != NULL; i++)
+ {
+ int len_token_prefix = strlen(map_token_prefix[i][0]);
+
+ if (strncmp(token, map_token_prefix[i][0], len_token_prefix) == 0)
+ return getStringCat2(map_token_prefix[i][1], &token[len_token_prefix]);
+ }
+
+ // change tokens containing ".gfx" by moving the "gfx" part to the very left
+ char *gfx_substring = ".gfx";
+ char *gfx_prefix = "gfx.";
+ if (strstr(token, gfx_substring) != NULL)
+ {
+ char *token_prefix = getStringCopy(token);
+ char *token_gfx_pos = strstr(token_prefix, gfx_substring);
+ char *token_suffix = &token_gfx_pos[strlen(gfx_substring)];
+ char *mapped_token;
+
+ // cut off token string at ".gfx" substring position
+ *token_gfx_pos = '\0';
+
+ // put together prefix "gfx." and token prefix and suffix without ".gfx"
+ mapped_token = getStringCat3(gfx_prefix, token_prefix, token_suffix);
+
+ free(token_prefix);
+
+ return mapped_token;
+ }
+
+ return NULL;
+}
+
+static char *get_special_base_token(struct ArtworkListInfo *artwork_info,
+ char *token)
+{
+ // !!! make this dynamically configurable (init.c:InitArtworkConfig) !!!
+ static struct ConfigTypeInfo prefix_list[] =
+ {
+ { "global.anim_1" },
+ { "global.anim_2" },
+ { "global.anim_3" },
+ { "global.anim_4" },
+ { "global.anim_5" },
+ { "global.anim_6" },
+ { "global.anim_7" },
+ { "global.anim_8" },
+ { "global.anim_9" },
+ { "global.anim_10" },
+ { "global.anim_11" },
+ { "global.anim_12" },
+ { "global.anim_13" },
+ { "global.anim_14" },
+ { "global.anim_15" },
+ { "global.anim_16" },
+ { "global.anim_17" },
+ { "global.anim_18" },
+ { "global.anim_19" },
+ { "global.anim_20" },
+ { "global.anim_21" },
+ { "global.anim_22" },
+ { "global.anim_23" },
+ { "global.anim_24" },
+ { "global.anim_25" },
+ { "global.anim_26" },
+ { "global.anim_27" },
+ { "global.anim_28" },
+ { "global.anim_29" },
+ { "global.anim_30" },
+ { "global.anim_31" },
+ { "global.anim_32" },
+
+ { NULL }
+ };
+ struct ConfigTypeInfo *suffix_list = artwork_info->suffix_list;
+ boolean prefix_found = FALSE;
+ int len_suffix = 0;
+ int i;
+
+ // search for prefix to check if base token has to be created
+ for (i = 0; prefix_list[i].token != NULL; i++)
+ if (strPrefix(token, prefix_list[i].token))
+ prefix_found = TRUE;
+
+ if (!prefix_found)
+ return NULL;
+
+ // search for suffix (parameter) to determine base token length
+ for (i = 0; suffix_list[i].token != NULL; i++)
+ if (strSuffix(token, suffix_list[i].token))
+ len_suffix = strlen(suffix_list[i].token);
+
+ return getStringCopyN(token, strlen(token) - len_suffix);
+}
+
+static void FreeCustomArtworkList(struct ArtworkListInfo *,
+ struct ListNodeInfo ***, int *);
+
+struct FileInfo *getFileListFromConfigList(struct ConfigInfo *config_list,
+ struct ConfigTypeInfo *suffix_list,
+ char **ignore_tokens,
+ int num_file_list_entries)
+{
+ SetupFileHash *ignore_tokens_hash;
+ struct FileInfo *file_list;
+ int num_file_list_entries_found = 0;
+ int num_suffix_list_entries = 0;
+ int list_pos;
+ int i, j;
+
+ // create hash from list of tokens to be ignored (for quick access)
+ ignore_tokens_hash = newSetupFileHash();
+ for (i = 0; ignore_tokens[i] != NULL; i++)
+ setHashEntry(ignore_tokens_hash, ignore_tokens[i], "");
+
+ file_list = checked_calloc(num_file_list_entries * sizeof(struct FileInfo));
+
+ for (i = 0; suffix_list[i].token != NULL; i++)
+ num_suffix_list_entries++;
+
+ // always start with reliable default values
+ for (i = 0; i < num_file_list_entries; i++)
+ {
+ file_list[i].token = NULL;
+
+ file_list[i].default_filename = NULL;
+ file_list[i].filename = NULL;
+
+ if (num_suffix_list_entries > 0)
+ {
+ int parameter_array_size = num_suffix_list_entries * sizeof(char *);
+
+ file_list[i].default_parameter = checked_calloc(parameter_array_size);
+ file_list[i].parameter = checked_calloc(parameter_array_size);
+
+ for (j = 0; j < num_suffix_list_entries; j++)
+ {
+ setString(&file_list[i].default_parameter[j], suffix_list[j].value);
+ setString(&file_list[i].parameter[j], suffix_list[j].value);
+ }
+
+ file_list[i].redefined = FALSE;
+ file_list[i].fallback_to_default = FALSE;
+ file_list[i].default_is_cloned = FALSE;
+ }
+ }
+
+ list_pos = 0;
+
+ for (i = 0; config_list[i].token != NULL; i++)
+ {
+ int len_config_token = strlen(config_list[i].token);
+ boolean is_file_entry = TRUE;
+
+ for (j = 0; suffix_list[j].token != NULL; j++)
+ {
+ int len_suffix = strlen(suffix_list[j].token);
+
+ if (len_suffix < len_config_token &&
+ strEqual(&config_list[i].token[len_config_token - len_suffix],
+ suffix_list[j].token))
+ {
+ setString(&file_list[list_pos].default_parameter[j],
+ config_list[i].value);
+
+ is_file_entry = FALSE;
+
+ break;
+ }
+ }
+
+ // the following tokens are no file definitions, but other config tokens
+ if (getHashEntry(ignore_tokens_hash, config_list[i].token) != NULL)
+ is_file_entry = FALSE;
+
+ if (is_file_entry)
+ {
+ if (i > 0)
+ list_pos++;
+
+ if (list_pos >= num_file_list_entries)
+ break;
+
+ file_list[list_pos].token = config_list[i].token;
+ file_list[list_pos].default_filename = config_list[i].value;
+ }
+
+ if (strSuffix(config_list[i].token, ".clone_from"))
+ file_list[list_pos].default_is_cloned = TRUE;
+ }
+
+ num_file_list_entries_found = list_pos + 1;
+ if (num_file_list_entries_found != num_file_list_entries)
+ {
+ Error("---");
+ Error("inconsistant config list information:");
+ Error("- should be: %d (according to 'src/conf_xxx.h')",
+ num_file_list_entries);
+ Error("- found to be: %d (according to 'src/conf_xxx.c')",
+ num_file_list_entries_found);
+
+ Fail("please fix");
+ }
+
+ freeSetupFileHash(ignore_tokens_hash);
+
+ return file_list;
+}
+
+static boolean token_suffix_match(char *token, char *suffix, int start_pos)
+{
+ int len_token = strlen(token);
+ int len_suffix = strlen(suffix);
+
+ 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;
+
+ if (token[start_pos + len_suffix] == '\0')
+ return TRUE;
+
+ if (token[start_pos + len_suffix] == '.')
+ return TRUE;
+
+ return FALSE;
+}
+
+#define KNOWN_TOKEN_VALUE "[KNOWN_TOKEN_VALUE]"
+
+static void read_token_parameters(SetupFileHash *setup_file_hash,
+ struct ConfigTypeInfo *suffix_list,
+ struct FileInfo *file_list_entry)
+{
+ // check for config token that is the base token without any suffixes
+ char *filename = getHashEntry(setup_file_hash, file_list_entry->token);
+ char *known_token_value = KNOWN_TOKEN_VALUE;
+ int i;
+
+ if (filename != NULL)
+ {
+ setString(&file_list_entry->filename, filename);
+
+ // when file definition found, set all parameters to default values
+ for (i = 0; suffix_list[i].token != NULL; i++)
+ setString(&file_list_entry->parameter[i], suffix_list[i].value);
+
+ file_list_entry->redefined = TRUE;
+
+ // mark config file token as well known from default config
+ setHashEntry(setup_file_hash, file_list_entry->token, known_token_value);
+ }
+
+ // 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 = getHashEntry(setup_file_hash, token);
+
+ if (value != NULL)
+ {
+ setString(&file_list_entry->parameter[i], value);
+
+ // mark config file token as well known from default config
+ setHashEntry(setup_file_hash, token, known_token_value);
+ }
+
+ free(token);
+ }
+}
+
+static void add_dynamic_file_list_entry(struct FileInfo **list,
+ int *num_list_entries,
+ SetupFileHash *extra_file_hash,
+ struct ConfigTypeInfo *suffix_list,
+ int num_suffix_list_entries,
+ char *token)
+{
+ struct FileInfo *new_list_entry;
+ int parameter_array_size = num_suffix_list_entries * sizeof(char *);
+
+ (*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->default_filename = NULL;
+ new_list_entry->filename = NULL;
+ new_list_entry->parameter = checked_calloc(parameter_array_size);
+
+ new_list_entry->redefined = FALSE;
+ new_list_entry->fallback_to_default = FALSE;
+ new_list_entry->default_is_cloned = FALSE;
+
+ read_token_parameters(extra_file_hash, suffix_list, new_list_entry);
+}
+
+static void add_property_mapping(struct PropertyMapping **list,
+ int *num_list_entries,
+ int base_index, int ext1_index,
+ int ext2_index, int ext3_index,
+ int artwork_index)
+{
+ struct PropertyMapping *new_list_entry;
+
+ (*num_list_entries)++;
+ *list = checked_realloc(*list,
+ *num_list_entries * sizeof(struct PropertyMapping));
+ new_list_entry = &(*list)[*num_list_entries - 1];
+
+ new_list_entry->base_index = base_index;
+ new_list_entry->ext1_index = ext1_index;
+ new_list_entry->ext2_index = ext2_index;
+ new_list_entry->ext3_index = ext3_index;
+
+ new_list_entry->artwork_index = artwork_index;
+}
+
+static void LoadArtworkConfigFromFilename(struct ArtworkListInfo *artwork_info,
+ char *filename)
+{
+ struct FileInfo *file_list = artwork_info->file_list;
+ struct ConfigTypeInfo *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;
+ char **ext3_suffixes = artwork_info->ext3_suffixes;
+ char **ignore_tokens = artwork_info->ignore_tokens;
+ 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;
+ int num_ext3_suffixes = artwork_info->num_ext3_suffixes;
+ int num_ignore_tokens = artwork_info->num_ignore_tokens;
+ SetupFileHash *setup_file_hash, *valid_file_hash, *valid_file_hash_tmp;
+ SetupFileHash *extra_file_hash, *empty_file_hash;
+ char *known_token_value = KNOWN_TOKEN_VALUE;
+ char *base_token_value = UNDEFINED_FILENAME;
+ int i, j, k, l;
+
+ if (filename == NULL)
+ return;
+
+ if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
+ return;
+
+ // separate valid (defined) from empty (undefined) config token values
+ valid_file_hash = newSetupFileHash();
+ empty_file_hash = newSetupFileHash();
+ BEGIN_HASH_ITERATION(setup_file_hash, itr)
+ {
+ char *value = HASH_ITERATION_VALUE(itr);
+
+ setHashEntry(*value ? valid_file_hash : empty_file_hash,
+ HASH_ITERATION_TOKEN(itr), value);
+ }
+ END_HASH_ITERATION(setup_file_hash, itr)
+
+ // at this point, we do not need the setup file hash anymore -- free it
+ freeSetupFileHash(setup_file_hash);
+
+ // prevent changing hash while iterating over it by using a temporary copy
+ valid_file_hash_tmp = newSetupFileHash();
+ BEGIN_HASH_ITERATION(valid_file_hash, itr)
+ {
+ setHashEntry(valid_file_hash_tmp,
+ HASH_ITERATION_TOKEN(itr),
+ HASH_ITERATION_VALUE(itr));
+ }
+ END_HASH_ITERATION(valid_file_hash, itr)
+
+ // (iterate over same temporary hash, as modifications are independent)
+
+ // map deprecated to current tokens (using prefix match and replace)
+ BEGIN_HASH_ITERATION(valid_file_hash_tmp, itr)
+ {
+ char *token = HASH_ITERATION_TOKEN(itr);
+ char *mapped_token = get_mapped_token(token);
+
+ if (mapped_token != NULL)
+ {
+ char *value = HASH_ITERATION_VALUE(itr);
+
+ // add mapped token
+ setHashEntry(valid_file_hash, mapped_token, value);
+
+ // ignore old token (by setting it to "known" keyword)
+ setHashEntry(valid_file_hash, token, known_token_value);
+
+ free(mapped_token);
+ }
+ }
+ END_HASH_ITERATION(valid_file_hash_tmp, itr)
+
+ // add special base tokens (using prefix match and replace)
+ BEGIN_HASH_ITERATION(valid_file_hash_tmp, itr)
+ {
+ char *token = HASH_ITERATION_TOKEN(itr);
+ char *base_token = get_special_base_token(artwork_info, token);
+
+ if (base_token != NULL)
+ {
+ // add base token only if it does not already exist
+ if (getHashEntry(valid_file_hash, base_token) == NULL)
+ setHashEntry(valid_file_hash, base_token, base_token_value);
+
+ free(base_token);
+ }
+ }
+ END_HASH_ITERATION(valid_file_hash_tmp, itr)
+
+ // free temporary hash used for iteration
+ freeSetupFileHash(valid_file_hash_tmp);
+
+ // read parameters for all known config file tokens
+ for (i = 0; i < num_file_list_entries; i++)
+ read_token_parameters(valid_file_hash, suffix_list, &file_list[i]);
+
+ // set all tokens that can be ignored here to "known" keyword
+ for (i = 0; i < num_ignore_tokens; i++)
+ setHashEntry(valid_file_hash, ignore_tokens[i], known_token_value);
+
+ // copy all unknown config file tokens to extra config hash
+ extra_file_hash = newSetupFileHash();
+ BEGIN_HASH_ITERATION(valid_file_hash, itr)
+ {
+ char *value = HASH_ITERATION_VALUE(itr);
+
+ if (!strEqual(value, known_token_value))
+ setHashEntry(extra_file_hash, HASH_ITERATION_TOKEN(itr), value);
+ }
+ END_HASH_ITERATION(valid_file_hash, itr)
+
+ // at this point, we do not need the valid file hash anymore -- free it
+ freeSetupFileHash(valid_file_hash);
+
+ // now try to determine valid, dynamically defined config tokens
+
+ BEGIN_HASH_ITERATION(extra_file_hash, itr)
+ {
+ struct FileInfo **dynamic_file_list =
+ &artwork_info->dynamic_file_list;
+ int *num_dynamic_file_list_entries =
+ &artwork_info->num_dynamic_file_list_entries;
+ struct PropertyMapping **property_mapping =
+ &artwork_info->property_mapping;
+ int *num_property_mapping_entries =
+ &artwork_info->num_property_mapping_entries;
+ int current_summarized_file_list_entry =
+ artwork_info->num_file_list_entries +
+ artwork_info->num_dynamic_file_list_entries;
+ char *token = HASH_ITERATION_TOKEN(itr);
+ 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 (parameter_suffix_found)
+ continue;
+
+ // ---------- step 0: search for matching base prefix ----------
+
+ start_pos = 0;
+ for (i = 0; i < num_base_prefixes && !base_prefix_found; i++)
+ {
+ char *base_prefix = base_prefixes[i];
+ int len_base_prefix = strlen(base_prefix);
+ boolean ext1_suffix_found = FALSE;
+ boolean ext2_suffix_found = FALSE;
+ boolean ext3_suffix_found = FALSE;
+ boolean exact_match = FALSE;
+ int base_index = -1;
+ int ext1_index = -1;
+ int ext2_index = -1;
+ int ext3_index = -1;
+
+ base_prefix_found = token_suffix_match(token, base_prefix, start_pos);
+
+ if (!base_prefix_found)
+ continue;
+
+ base_index = i;
+
+ if (start_pos + len_base_prefix == len_token) // exact match
+ {
+ exact_match = TRUE;
+
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_hash,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ add_property_mapping(property_mapping,
+ num_property_mapping_entries,
+ base_index, -1, -1, -1,
+ current_summarized_file_list_entry);
+ continue;
+ }
+
+ // ---------- step 1: search for matching first suffix ----------
+
+ start_pos += len_base_prefix;
+ for (j = 0; j < num_ext1_suffixes && !ext1_suffix_found; j++)
+ {
+ char *ext1_suffix = ext1_suffixes[j];
+ int len_ext1_suffix = strlen(ext1_suffix);
+
+ ext1_suffix_found = token_suffix_match(token, ext1_suffix, start_pos);
+
+ if (!ext1_suffix_found)
+ continue;
+
+ ext1_index = j;
+
+ if (start_pos + len_ext1_suffix == len_token) // exact match
+ {
+ exact_match = TRUE;
+
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_hash,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ add_property_mapping(property_mapping,
+ num_property_mapping_entries,
+ base_index, ext1_index, -1, -1,
+ current_summarized_file_list_entry);
+ continue;
+ }
+
+ start_pos += len_ext1_suffix;
+ }
+
+ if (exact_match)
+ break;
+
+ // ---------- step 2: search for matching second suffix ----------
+
+ for (k = 0; k < num_ext2_suffixes && !ext2_suffix_found; k++)
+ {
+ char *ext2_suffix = ext2_suffixes[k];
+ int len_ext2_suffix = strlen(ext2_suffix);
+
+ ext2_suffix_found = token_suffix_match(token, ext2_suffix, start_pos);
+
+ if (!ext2_suffix_found)
+ continue;
+
+ ext2_index = k;
+
+ if (start_pos + len_ext2_suffix == len_token) // exact match
+ {
+ exact_match = TRUE;
+
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_hash,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ add_property_mapping(property_mapping,
+ num_property_mapping_entries,
+ base_index, ext1_index, ext2_index, -1,
+ current_summarized_file_list_entry);
+ continue;
+ }
+
+ start_pos += len_ext2_suffix;
+ }
+
+ if (exact_match)
+ break;
+
+ // ---------- step 3: search for matching third suffix ----------
+
+ for (l = 0; l < num_ext3_suffixes && !ext3_suffix_found; l++)
+ {
+ char *ext3_suffix = ext3_suffixes[l];
+ int len_ext3_suffix = strlen(ext3_suffix);
+
+ ext3_suffix_found = token_suffix_match(token, ext3_suffix, start_pos);
+
+ if (!ext3_suffix_found)
+ continue;
+
+ ext3_index = l;
+
+ if (start_pos + len_ext3_suffix == len_token) // exact match
+ {
+ exact_match = TRUE;
+
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_hash,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ add_property_mapping(property_mapping,
+ num_property_mapping_entries,
+ base_index, ext1_index, ext2_index, ext3_index,
+ current_summarized_file_list_entry);
+ continue;
+ }
+ }
+ }
+ }
+ END_HASH_ITERATION(extra_file_hash, itr)
- while (node_cmp)
+ if (artwork_info->num_dynamic_file_list_entries > 0)
{
- if (node_cmp == node)
- return pos;
-
- pos++;
- node_cmp = node_cmp->next;
+ artwork_info->dynamic_artwork_list =
+ checked_calloc(artwork_info->num_dynamic_file_list_entries *
+ artwork_info->sizeof_artwork_list_entry);
}
- return 0;
-}
+ if (options.verbose && IS_PARENT_PROCESS())
+ {
+ SetupFileList *setup_file_list, *list;
+ boolean dynamic_tokens_found = FALSE;
+ boolean unknown_tokens_found = FALSE;
+ boolean undefined_values_found = (hashtable_count(empty_file_hash) != 0);
-struct LevelDirInfo *getLevelDirInfoFromPos(struct LevelDirInfo *node, int pos)
-{
- struct LevelDirInfo *node_default = node;
- int pos_cmp = 0;
+ // list may be NULL for empty artwork config files
+ setup_file_list = loadSetupFileList(filename);
- while (node)
- {
- if (pos_cmp == pos)
- return node;
+ BEGIN_HASH_ITERATION(extra_file_hash, itr)
+ {
+ if (strEqual(HASH_ITERATION_VALUE(itr), known_token_value))
+ dynamic_tokens_found = TRUE;
+ else
+ unknown_tokens_found = TRUE;
+ }
+ END_HASH_ITERATION(extra_file_hash, itr)
- pos_cmp++;
- node = node->next;
- }
+ if (options.debug && dynamic_tokens_found)
+ {
+ Debug("config", "---");
+ Debug("config", "dynamic token(s) found in config file:");
+ Debug("config", "- config file: '%s'", filename);
- return node_default;
-}
+ for (list = setup_file_list; list != NULL; list = list->next)
+ {
+ char *value = getHashEntry(extra_file_hash, list->token);
-struct LevelDirInfo *getLevelDirInfoFromFilenameExt(struct LevelDirInfo *node,
- char *filename)
-{
- if (filename == NULL)
- return NULL;
+ if (value != NULL && strEqual(value, known_token_value))
+ Debug("config", "- dynamic token: '%s'", list->token);
+ }
- while (node)
- {
- if (node->node_group)
+ Debug("config", "---");
+ }
+
+ if (unknown_tokens_found)
{
- struct LevelDirInfo *node_group;
+ Warn("---");
+ Warn("unknown token(s) found in config file:");
+ Warn("- config file: '%s'", filename);
+
+ for (list = setup_file_list; list != NULL; list = list->next)
+ {
+ char *value = getHashEntry(extra_file_hash, list->token);
- node_group = getLevelDirInfoFromFilenameExt(node->node_group, filename);
+ if (value != NULL && !strEqual(value, known_token_value))
+ Warn("- dynamic token: '%s'", list->token);
+ }
- if (node_group)
- return node_group;
+ Warn("---");
}
- else if (!node->parent_link)
+
+ if (undefined_values_found)
{
- if (strcmp(filename, node->filename) == 0)
- return node;
+ Warn("---");
+ Warn("undefined values found in config file:");
+ Warn("- config file: '%s'", filename);
+
+ for (list = setup_file_list; list != NULL; list = list->next)
+ {
+ char *value = getHashEntry(empty_file_hash, list->token);
+
+ if (value != NULL)
+ Warn("- undefined value for token: '%s'", list->token);
+ }
+
+ Warn("---");
}
- node = node->next;
+ freeSetupFileList(setup_file_list);
}
- return NULL;
+ freeSetupFileHash(extra_file_hash);
+ freeSetupFileHash(empty_file_hash);
}
-struct LevelDirInfo *getLevelDirInfoFromFilename(char *filename)
+void LoadArtworkConfig(struct ArtworkListInfo *artwork_info)
{
- return getLevelDirInfoFromFilenameExt(leveldir_first, filename);
-}
+ struct FileInfo *file_list = artwork_info->file_list;
+ int num_file_list_entries = artwork_info->num_file_list_entries;
+ int num_suffix_list_entries = artwork_info->num_suffix_list_entries;
+ char *filename_base = UNDEFINED_FILENAME, *filename_local;
+ int i, j;
-void dumpLevelDirInfo(struct LevelDirInfo *node, int depth)
-{
- int i;
+ DrawInitTextHead("Loading artwork config");
+ DrawInitTextItem(ARTWORKINFO_FILENAME(artwork_info->type));
- while (node)
+ // always start with reliable default values
+ for (i = 0; i < num_file_list_entries; i++)
{
- for (i=0; i<depth * 3; i++)
- printf(" ");
-
- printf("filename == '%s'\n", node->filename);
+ setString(&file_list[i].filename, file_list[i].default_filename);
- if (node->node_group != NULL)
- dumpLevelDirInfo(node->node_group, depth + 1);
+ for (j = 0; j < num_suffix_list_entries; j++)
+ setString(&file_list[i].parameter[j], file_list[i].default_parameter[j]);
- node = node->next;
+ file_list[i].redefined = FALSE;
+ file_list[i].fallback_to_default = FALSE;
}
-}
-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;
+ // free previous dynamic artwork file array
+ if (artwork_info->dynamic_file_list != NULL)
+ {
+ for (i = 0; i < artwork_info->num_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);
+ }
- if (num_nodes == 0)
- return;
+ free(artwork_info->dynamic_file_list);
+ artwork_info->dynamic_file_list = NULL;
- /* allocate array for sorting structure pointers */
- sort_array = checked_calloc(num_nodes * sizeof(struct LevelDirInfo *));
+ FreeCustomArtworkList(artwork_info, &artwork_info->dynamic_artwork_list,
+ &artwork_info->num_dynamic_file_list_entries);
+ }
- /* writing structure pointers to sorting array */
- while (i < num_nodes && node) /* double boundary check... */
+ // free previous property mapping
+ if (artwork_info->property_mapping != NULL)
{
- sort_array[i] = node;
+ free(artwork_info->property_mapping);
- i++;
- node = node->next;
+ artwork_info->property_mapping = NULL;
+ artwork_info->num_property_mapping_entries = 0;
}
- /* 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 (!GFX_OVERRIDE_ARTWORK(artwork_info->type))
{
- if (node->node_group != NULL)
- sortLevelDirInfo(&node->node_group, compare_function);
+ // first look for special artwork configured in level series config
+ filename_base = getCustomArtworkLevelConfigFilename(artwork_info->type);
- node = node->next;
+ if (fileExists(filename_base))
+ LoadArtworkConfigFromFilename(artwork_info, filename_base);
}
-}
-inline void swap_numbers(int *i1, int *i2)
-{
- int help = *i1;
+ filename_local = getCustomArtworkConfigFilename(artwork_info->type);
- *i1 = *i2;
- *i2 = help;
+ if (filename_local != NULL && !strEqual(filename_base, filename_local))
+ LoadArtworkConfigFromFilename(artwork_info, filename_local);
}
-inline void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
+static void deleteArtworkListEntry(struct ArtworkListInfo *artwork_info,
+ struct ListNodeInfo **listnode)
{
- int help_x = *x1;
- int help_y = *y1;
+ if (*listnode)
+ {
+ char *filename = (*listnode)->source_filename;
- *x1 = *x2;
- *x2 = help_x;
+ if (--(*listnode)->num_references <= 0)
+ deleteNodeFromList(&artwork_info->content_list, filename,
+ artwork_info->free_artwork);
- *y1 = *y2;
- *y2 = help_y;
+ *listnode = NULL;
+ }
}
+static void replaceArtworkListEntry(struct ArtworkListInfo *artwork_info,
+ struct ListNodeInfo **listnode,
+ struct FileInfo *file_list_entry)
+{
+ char *init_text[] =
+ {
+ "Loading graphics",
+ "Loading sounds",
+ "Loading music"
+ };
-/* ========================================================================= */
-/* some stuff from "files.c" */
-/* ========================================================================= */
+ ListNode *node;
+ char *basename = file_list_entry->filename;
+ char *filename = getCustomArtworkFilename(basename, artwork_info->type);
-#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 */
+ // mark all images from non-default graphics directory as "redefined"
+ if (artwork_info->type == ARTWORK_TYPE_GRAPHICS &&
+ !strPrefix(filename, options.graphics_directory))
+ file_list_entry->redefined = TRUE;
-/* 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)
+ if (filename == NULL)
+ {
+ Warn("cannot find artwork file '%s'", basename);
-#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)
+ basename = file_list_entry->default_filename;
-#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)
+ // fail for cloned default artwork that has no default filename defined
+ if (file_list_entry->default_is_cloned &&
+ strEqual(basename, UNDEFINED_FILENAME))
+ {
+ void (*error_func)(char *, ...) = Warn;
-#define FILE_PERMS_PRIVATE (MODE_R_ALL | MODE_W_PRIVATE)
-#define FILE_PERMS_PUBLIC (MODE_R_ALL | MODE_W_PUBLIC)
+ // we can get away without sounds and music, but not without graphics
+ if (*listnode == NULL && artwork_info->type == ARTWORK_TYPE_GRAPHICS)
+ error_func = Fail;
-char *getUserDataDir(void)
-{
- static char *userdata_dir = NULL;
+ error_func("token '%s' was cloned and has no default filename",
+ file_list_entry->token);
- if (!userdata_dir)
- {
- char *home_dir = getHomeDir();
- char *data_dir = program.userdata_directory;
+ return;
+ }
- userdata_dir = getPath2(home_dir, data_dir);
- }
+ // dynamic artwork has no default filename / skip empty default artwork
+ if (basename == NULL || strEqual(basename, UNDEFINED_FILENAME))
+ return;
- return userdata_dir;
-}
+ file_list_entry->fallback_to_default = TRUE;
-char *getSetupDir()
-{
- return getUserDataDir();
-}
+ Warn("trying default artwork file '%s'", basename);
-static mode_t posix_umask(mode_t mask)
-{
-#if defined(PLATFORM_UNIX)
- return umask(mask);
-#else
- return 0;
-#endif
-}
+ filename = getCustomArtworkFilename(basename, artwork_info->type);
-static int posix_mkdir(const char *pathname, mode_t mode)
-{
-#if defined(PLATFORM_WIN32)
- return mkdir(pathname);
-#else
- return mkdir(pathname, mode);
-#endif
-}
+ if (filename == NULL)
+ {
+ void (*error_func)(char *, ...) = Warn;
-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);
+ // we can get away without sounds and music, but not without graphics
+ if (*listnode == NULL && artwork_info->type == ARTWORK_TYPE_GRAPHICS)
+ error_func = Fail;
- if (access(dir, F_OK) != 0)
- if (posix_mkdir(dir, dir_mode) != 0)
- Error(ERR_WARN, "cannot create %s directory '%s'", text, dir);
+ error_func("cannot find default artwork file '%s'", basename);
- posix_umask(normal_umask); /* reset normal umask */
-}
+ return;
+ }
+ }
-void InitUserDataDirectory()
-{
- createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
-}
+ // check if the old and the new artwork file are the same
+ if (*listnode && strEqual((*listnode)->source_filename, filename))
+ {
+ // 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.
-void SetFilePermissions(char *filename, int permission_class)
-{
- chmod(filename, (permission_class == PERMS_PRIVATE ?
- FILE_PERMS_PRIVATE : FILE_PERMS_PUBLIC));
-}
+ return;
+ }
-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;
+ // delete existing artwork file entry
+ deleteArtworkListEntry(artwork_info, listnode);
- if (len_cookie <= len_pattern)
- return -1;
+ // check if the new artwork file already exists in the list of artwork
+ if ((node = getNodeFromKey(artwork_info->content_list, filename)) != NULL)
+ {
+ *listnode = (struct ListNodeInfo *)node->content;
+ (*listnode)->num_references++;
- ptr_cookie1 = &cookie[len_cookie - len_pattern];
- ptr_cookie2 = &cookie[len_cookie - len_pattern2];
+ return;
+ }
- if (strncmp(ptr_cookie1, pattern1, len_pattern1) != 0)
- return -1;
+ DrawInitTextHead(init_text[artwork_info->type]);
+ DrawInitTextItem(basename);
- if (ptr_cookie2[0] < '0' || ptr_cookie2[0] > '9' ||
- ptr_cookie2[1] != '.' ||
- ptr_cookie2[2] < '0' || ptr_cookie2[2] > '9')
- return -1;
+ if ((*listnode = artwork_info->load_artwork(filename)) != NULL)
+ {
+ // add new artwork file entry to the list of artwork files
+ (*listnode)->num_references = 1;
+ addNodeToList(&artwork_info->content_list, (*listnode)->source_filename,
+ *listnode);
+ }
+ else
+ {
+ void (*error_func)(char *, ...) = Warn;
+
+ // we can get away without sounds and music, but not without graphics
+ if (artwork_info->type == ARTWORK_TYPE_GRAPHICS)
+ error_func = Fail;
- version_major = ptr_cookie2[0] - '0';
- version_minor = ptr_cookie2[2] - '0';
+ error_func("cannot load artwork file '%s'", basename);
- return VERSION_IDENT(version_major, version_minor, 0);
+ return;
+ }
}
-boolean checkCookieString(const char *cookie, const char *template)
+static void LoadCustomArtwork(struct ArtworkListInfo *artwork_info,
+ struct ListNodeInfo **listnode,
+ struct FileInfo *file_list_entry)
{
- 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 (strEqual(file_list_entry->filename, UNDEFINED_FILENAME))
+ {
+ deleteArtworkListEntry(artwork_info, listnode);
- if (strncmp(cookie, template, len_cookie - len_pattern) != 0)
- return FALSE;
+ return;
+ }
- return TRUE;
+ replaceArtworkListEntry(artwork_info, listnode, file_list_entry);
}
-/* ------------------------------------------------------------------------- */
-/* setup file stuff */
-/* ------------------------------------------------------------------------- */
-
-static char *string_tolower(char *s)
+void ReloadCustomArtworkList(struct ArtworkListInfo *artwork_info)
{
- static char s_lower[100];
+ struct FileInfo *file_list = artwork_info->file_list;
+ struct FileInfo *dynamic_file_list = artwork_info->dynamic_file_list;
+ int num_file_list_entries = artwork_info->num_file_list_entries;
+ int num_dynamic_file_list_entries =
+ artwork_info->num_dynamic_file_list_entries;
int i;
- if (strlen(s) >= 100)
- return s;
-
- strcpy(s_lower, s);
-
- for (i=0; i<strlen(s_lower); i++)
- s_lower[i] = tolower(s_lower[i]);
-
- return s_lower;
-}
-
-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" },
- };
+ print_timestamp_init("ReloadCustomArtworkList");
- int i, j;
+ for (i = 0; i < num_file_list_entries; i++)
+ LoadCustomArtwork(artwork_info, &artwork_info->artwork_list[i],
+ &file_list[i]);
- for (i=0; i<13; i++)
- for (j=0; j<3; j++)
- if (strcmp(string_tolower(s), number_text[i][j]) == 0)
- return i;
+ for (i = 0; i < num_dynamic_file_list_entries; i++)
+ LoadCustomArtwork(artwork_info, &artwork_info->dynamic_artwork_list[i],
+ &dynamic_file_list[i]);
- return atoi(s);
-}
+ print_timestamp_done("ReloadCustomArtworkList");
-boolean get_string_boolean_value(char *s)
-{
- if (strcmp(string_tolower(s), "true") == 0 ||
- strcmp(string_tolower(s), "yes") == 0 ||
- strcmp(string_tolower(s), "on") == 0 ||
- get_string_integer_value(s) == 1)
- return TRUE;
- else
- return FALSE;
+#if 0
+ dumpList(artwork_info->content_list);
+#endif
}
-char *getFormattedSetupEntry(char *token, char *value)
+static void FreeCustomArtworkList(struct ArtworkListInfo *artwork_info,
+ struct ListNodeInfo ***list,
+ int *num_list_entries)
{
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';
+ if (*list == NULL)
+ return;
- strcat(entry, value);
+ for (i = 0; i < *num_list_entries; i++)
+ deleteArtworkListEntry(artwork_info, &(*list)[i]);
+ free(*list);
- return entry;
+ *list = NULL;
+ *num_list_entries = 0;
}
-void freeSetupFileList(struct SetupFileList *setup_file_list)
+void FreeCustomArtworkLists(struct ArtworkListInfo *artwork_info)
{
- if (!setup_file_list)
+ if (artwork_info == NULL)
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));
+ FreeCustomArtworkList(artwork_info, &artwork_info->artwork_list,
+ &artwork_info->num_file_list_entries);
- new->token = checked_malloc(strlen(token) + 1);
- strcpy(new->token, token);
+ FreeCustomArtworkList(artwork_info, &artwork_info->dynamic_artwork_list,
+ &artwork_info->num_dynamic_file_list_entries);
+}
- new->value = checked_malloc(strlen(value) + 1);
- strcpy(new->value, value);
- new->next = NULL;
+// ----------------------------------------------------------------------------
+// functions only needed for non-Unix (non-command-line) systems
+// (MS-DOS only; SDL/Windows creates files "stdout.txt" and "stderr.txt")
+// (now also added for Windows, to create files in user data directory)
+// ----------------------------------------------------------------------------
- return new;
+char *getLogBasename(char *basename)
+{
+ return getStringCat2(basename, ".log");
}
-char *getTokenValue(struct SetupFileList *setup_file_list, char *token)
+char *getLogFilename(char *basename)
{
- 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);
+ return getPath2(getMainUserGameDataDir(), basename);
}
-static void setTokenValue(struct SetupFileList *setup_file_list,
- char *token, char *value)
+void OpenLogFile(void)
{
- if (!setup_file_list)
- return;
+ InitMainUserDataDirectory();
- if (strcmp(setup_file_list->token, token) == 0)
+ if ((program.log_file = fopen(program.log_filename, MODE_WRITE)) == NULL)
{
- free(setup_file_list->value);
- setup_file_list->value = checked_malloc(strlen(value) + 1);
- strcpy(setup_file_list->value, value);
+ program.log_file = program.log_file_default; // reset to default
+
+ Warn("cannot open file '%s' for writing: %s",
+ program.log_filename, strerror(errno));
}
- else if (setup_file_list->next == NULL)
- setup_file_list->next = newSetupFileList(token, value);
- else
- setTokenValue(setup_file_list->next, token, value);
+
+ // output should be unbuffered so it is not truncated in a crash
+ setbuf(program.log_file, NULL);
}
-#ifdef DEBUG
-static void printSetupFileList(struct SetupFileList *setup_file_list)
+void CloseLogFile(void)
{
- 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);
+ if (program.log_file != program.log_file_default)
+ fclose(program.log_file);
}
-#endif
-struct SetupFileList *loadSetupFileList(char *filename)
+void DumpLogFile(void)
{
- 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;
+ FILE *log_file = fopen(program.log_filename, MODE_READ);
- /* 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;
- }
- }
+ if (log_file == NULL)
+ return;
- /* 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';
+ while (!feof(log_file))
+ fputc(fgetc(log_file), stdout);
- /* ignore empty lines */
- if (*line == '\0')
- continue;
+ fclose(log_file);
+}
- line_len = strlen(line);
+void NotifyUserAboutErrorFile(void)
+{
+#if defined(PLATFORM_WINDOWS)
+ char *title_text = getStringCat2(program.program_title, " Error Message");
+ char *error_text = getStringCat2("The program was aborted due to an error; "
+ "for details, see the following error file:"
+ STRING_NEWLINE,
+ program.log_filename);
+
+ MessageBox(NULL, error_text, title_text, MB_OK);
+#endif
+}
- /* 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;
- }
- }
+// ----------------------------------------------------------------------------
+// the following is only for debugging purpose and normally not used
+// ----------------------------------------------------------------------------
- if (line_ptr < line + line_len)
- value = line_ptr + 1;
- else
- value = "\0";
+#if DEBUG
- /* cut leading whitespaces from value */
- for (; *value; value++)
- if (*value != ' ' && *value != '\t')
- break;
+#define DEBUG_PRINT_INIT_TIMESTAMPS TRUE
+#define DEBUG_PRINT_INIT_TIMESTAMPS_DEPTH 10
- if (*token && *value)
- setTokenValue(setup_file_list, token, value);
- }
+#define DEBUG_NUM_TIMESTAMPS 10
+#define DEBUG_TIME_IN_MICROSECONDS 0
- fclose(file);
+#if DEBUG_TIME_IN_MICROSECONDS
+static double Counter_Microseconds(void)
+{
+ static struct timeval base_time = { 0, 0 };
+ struct timeval current_time;
+ double counter;
- first_valid_list_entry = setup_file_list->next;
+ gettimeofday(¤t_time, NULL);
- /* free empty list header */
- setup_file_list->next = NULL;
- freeSetupFileList(setup_file_list);
+ // reset base time in case of wrap-around
+ if (current_time.tv_sec < base_time.tv_sec)
+ base_time = current_time;
- if (first_valid_list_entry == NULL)
- Error(ERR_WARN, "configuration file '%s' is empty", filename);
+ counter =
+ ((double)(current_time.tv_sec - base_time.tv_sec)) * 1000000 +
+ ((double)(current_time.tv_usec - base_time.tv_usec));
- return first_valid_list_entry;
+ return counter; // return microseconds since last init
}
+#endif
-void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
- char *identifier)
+static char *debug_print_timestamp_get_padding(int padding_size)
{
- if (!setup_file_list)
- return;
+ static char *padding = NULL;
+ int max_padding_size = 100;
- if (strcmp(setup_file_list->token, TOKEN_STR_FILE_IDENTIFIER) == 0)
+ if (padding == NULL)
{
- if (strcmp(setup_file_list->value, identifier) != 0)
- {
- Error(ERR_WARN, "configuration file has wrong version");
- return;
- }
- else
- return;
+ padding = checked_calloc(max_padding_size + 1);
+ memset(padding, ' ', max_padding_size);
}
- if (setup_file_list->next)
- checkSetupFileListIdentifier(setup_file_list->next, identifier);
- else
- {
- Error(ERR_WARN, "configuration file has no version information");
- return;
- }
+ return &padding[MAX(0, max_padding_size - padding_size)];
}
+void debug_print_timestamp(int counter_nr, char *message)
+{
+ int indent_size = 8;
+ int padding_size = 40;
+ float timestamp_interval;
-/* ========================================================================= */
-/* functions only needed for non-Unix (non-command-line) systems */
-/* ========================================================================= */
+ if (counter_nr < 0)
+ Fail("debugging: invalid negative counter");
+ else if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
+ Fail("debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
-#if !defined(PLATFORM_UNIX)
+#if DEBUG_TIME_IN_MICROSECONDS
+ static double counter[DEBUG_NUM_TIMESTAMPS][2];
+ char *unit = "ms";
-#define ERROR_FILENAME "error.out"
+ counter[counter_nr][0] = Counter_Microseconds();
+#else
+ static int counter[DEBUG_NUM_TIMESTAMPS][2];
+ char *unit = "s";
-void initErrorFile()
-{
- char *filename;
+ counter[counter_nr][0] = Counter();
+#endif
- InitUserDataDirectory();
+ timestamp_interval = counter[counter_nr][0] - counter[counter_nr][1];
+ counter[counter_nr][1] = counter[counter_nr][0];
- filename = getPath2(getUserDataDir(), ERROR_FILENAME);
- unlink(filename);
- free(filename);
+ if (message)
+ Debug("time:init", "%s%s%s %.3f %s",
+ debug_print_timestamp_get_padding(counter_nr * indent_size),
+ message,
+ debug_print_timestamp_get_padding(padding_size - strlen(message)),
+ timestamp_interval / 1000,
+ unit);
}
-FILE *openErrorFile()
+#if 0
+static void debug_print_parent_only(char *format, ...)
{
- char *filename;
- FILE *error_file;
+ if (!IS_PARENT_PROCESS())
+ return;
- filename = getPath2(getUserDataDir(), ERROR_FILENAME);
- error_file = fopen(filename, MODE_APPEND);
- free(filename);
+ if (format)
+ {
+ va_list ap;
+
+ va_start(ap, format);
+ vprintf(format, ap);
+ va_end(ap);
- return error_file;
+ printf("\n");
+ }
}
+#endif
-void dumpErrorFile()
+#endif // DEBUG
+
+static void print_timestamp_ext(char *message, char *mode)
{
- char *filename;
- FILE *error_file;
+#if DEBUG_PRINT_INIT_TIMESTAMPS
+ static char *debug_message = NULL;
+ static char *last_message = NULL;
+ static int counter_nr = 0;
+ int max_depth = DEBUG_PRINT_INIT_TIMESTAMPS_DEPTH;
- filename = getPath2(getUserDataDir(), ERROR_FILENAME);
- error_file = fopen(filename, MODE_READ);
- free(filename);
+ checked_free(debug_message);
+ debug_message = getStringCat3(mode, " ", message);
- if (error_file != NULL)
+ if (strEqual(mode, "INIT"))
{
- while (!feof(error_file))
- fputc(fgetc(error_file), stderr);
+ debug_print_timestamp(counter_nr, NULL);
- fclose(error_file);
- }
-}
-#endif
+ if (counter_nr + 1 < max_depth)
+ debug_print_timestamp(counter_nr, debug_message);
+ counter_nr++;
-/* ========================================================================= */
-/* the following is only for debugging purpose and normally not used */
-/* ========================================================================= */
+ debug_print_timestamp(counter_nr, NULL);
+ }
+ else if (strEqual(mode, "DONE"))
+ {
+ counter_nr--;
-#define DEBUG_NUM_TIMESTAMPS 3
+ if (counter_nr + 1 < max_depth ||
+ (counter_nr == 0 && max_depth == 1))
+ {
+ last_message = message;
-void debug_print_timestamp(int counter_nr, char *message)
-{
- static long counter[DEBUG_NUM_TIMESTAMPS][2];
+ if (counter_nr == 0 && max_depth == 1)
+ {
+ checked_free(debug_message);
+ debug_message = getStringCat3("TIME", " ", message);
+ }
- if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
- Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
+ debug_print_timestamp(counter_nr, debug_message);
+ }
+ }
+ else if (!strEqual(mode, "TIME") ||
+ !strEqual(message, last_message))
+ {
+ if (counter_nr < max_depth)
+ debug_print_timestamp(counter_nr, debug_message);
+ }
+#endif
+}
- counter[counter_nr][0] = Counter();
+void print_timestamp_init(char *message)
+{
+ print_timestamp_ext(message, "INIT");
+}
- if (message)
- printf("%s %.2f seconds\n", message,
- (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000);
+void print_timestamp_time(char *message)
+{
+ print_timestamp_ext(message, "TIME");
+}
- counter[counter_nr][1] = Counter();
+void print_timestamp_done(char *message)
+{
+ print_timestamp_ext(message, "DONE");
}