#include <sys/param.h>
#include <sys/types.h>
#include <stdarg.h>
+#include <ctype.h>
#include "misc.h"
#include "init.h"
#include "sound.h"
#include "random.h"
#include "joystick.h"
+#include "files.h"
+#ifdef MSDOS
+volatile unsigned long counter = 0;
+
+void increment_counter()
+{
+ counter++;
+}
+
+END_OF_FUNCTION(increment_counter);
+#endif
+
+
+
+/* maximal allowed length of a command line option */
+#define MAX_OPTION_LEN 256
+
+#ifndef MSDOS
static unsigned long mainCounter(int mode)
{
static struct timeval base_time = { 0, 0 };
return counter_ms; /* return milliseconds since last init */
}
+#endif
void InitCounter() /* set counter back to zero */
{
+#ifndef MSDOS
mainCounter(INIT_COUNTER);
+#else
+ LOCK_VARIABLE(counter);
+ LOCK_FUNCTION(increment_counter);
+ install_int_ex(increment_counter, BPS_TO_TIMER(100));
+#endif
}
unsigned long Counter() /* get milliseconds since last call of InitCounter() */
{
- return(mainCounter(READ_COUNTER));
+#ifndef MSDOS
+ return mainCounter(READ_COUNTER);
+#else
+ return (counter * 10);
+#endif
}
static void sleep_milliseconds(unsigned long milliseconds_delay)
{
- if (milliseconds_delay < 5)
+ boolean do_busy_waiting = (milliseconds_delay < 5 ? TRUE : FALSE);
+
+#ifdef MSDOS
+ /* donĂ¯t use select() to perform waiting operations under DOS/Windows
+ environment; always use a busy loop for waiting instead */
+ do_busy_waiting = TRUE;
+#endif
+
+ if (do_busy_waiting)
{
/* 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;
return (root % max);
}
+#ifdef DEBUG
+static unsigned int last_RND_value = 0;
+
+unsigned int last_RND()
+{
+ return last_RND_value;
+}
+#endif
+
unsigned int RND(unsigned int max)
{
+#ifdef DEBUG
+ return (last_RND_value = random_linux_libc() % max);
+#else
return (random_linux_libc() % max);
+#endif
}
unsigned int InitRND(long seed)
char *getHomeDir()
{
+#ifndef MSDOS
static char *home_dir = NULL;
if (!home_dir)
}
return home_dir;
+#else
+ return ".";
+#endif
+}
+
+char *getPath2(char *path1, char *path2)
+{
+ char *complete_path = checked_malloc(strlen(path1) + 1 +
+ strlen(path2) + 1);
+
+ sprintf(complete_path, "%s/%s", path1, path2);
+ return complete_path;
+}
+
+char *getPath3(char *path1, char *path2, char *path3)
+{
+ char *complete_path = checked_malloc(strlen(path1) + 1 +
+ strlen(path2) + 1 +
+ strlen(path3) + 1);
+
+ sprintf(complete_path, "%s/%s/%s", path1, path2, path3);
+ return complete_path;
+}
+
+char *getStringCopy(char *s)
+{
+ char *s_copy = checked_malloc(strlen(s) + 1);
+
+ strcpy(s_copy, s);
+ return s_copy;
+}
+
+char *getStringToLower(char *s)
+{
+ char *s_copy = checked_malloc(strlen(s) + 1);
+ char *s_ptr = s_copy;
+
+ while (*s)
+ *s_ptr++ = tolower(*s++);
+
+ return s_copy;
}
void MarkTileDirty(int x, int y)
char *option_arg = NULL;
int option_len = strlen(option);
+ if (option_len >= MAX_OPTION_LEN)
+ Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
+
strcpy(option_str, option); /* copy argument into buffer */
option = option_str;
if (strcmp(option, "--") == 0) /* stop scanning arguments */
break;
- if (option_len >= MAX_OPTION_LEN)
- Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
-
if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
option++;
options.display_name = option_arg;
if (option_arg == next_option)
options_left++;
-
- printf("--display == '%s'\n", options.display_name);
}
else if (strncmp(option, "-basepath", option_len) == 0)
{
if (option_arg == next_option)
options_left++;
- printf("--basepath == '%s'\n", options.base_directory);
-
/* adjust path for level directory accordingly */
- options.level_directory = checked_malloc(strlen(options.base_directory) +
- strlen(LEVELS_DIRECTORY) + 2);
- sprintf(options.level_directory, "%s/%s",
- options.base_directory, LEVELS_DIRECTORY);
+ options.level_directory =
+ getPath2(options.base_directory, LEVELS_DIRECTORY);
}
else if (strncmp(option, "-levels", option_len) == 0)
{
options.level_directory = option_arg;
if (option_arg == next_option)
options_left++;
-
- printf("--levels == '%s'\n", options.level_directory);
}
else if (strncmp(option, "-network", option_len) == 0)
{
- printf("--network\n");
-
options.network = TRUE;
}
else if (strncmp(option, "-serveronly", option_len) == 0)
{
- printf("--serveronly\n");
-
options.serveronly = TRUE;
}
else if (strncmp(option, "-verbose", option_len) == 0)
{
- printf("--verbose\n");
-
options.verbose = TRUE;
}
else if (*option == '-')
+ {
Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
+ }
else if (options.server_host == NULL)
{
options.server_host = *options_left;
-
- printf("server.name == '%s'\n", options.server_host);
}
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);
-
- printf("port == %d\n", options.server_port);
}
else
Error(ERR_EXIT_HELP, "too many arguments");
}
}
-void Error(int mode, char *format_str, ...)
+void Error(int mode, char *format, ...)
{
- FILE *output_stream = stderr;
char *process_name = "";
+ FILE *error = stderr;
- if (mode & ERR_SOUNDSERVER)
+ /* display warnings only when running in verbose mode */
+ if (mode & ERR_WARN && !options.verbose)
+ return;
+
+#ifdef MSDOS
+ if ((error = openErrorFile()) == NULL)
+ {
+ printf("Cannot write to error output file!\n");
+ CloseAllAndExit(1);
+ }
+#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_str)
+ if (format)
{
va_list ap;
- char *format_ptr;
- char *s_value;
- int i_value;
- double d_value;
- fprintf(output_stream, "%s%s: ", program_name, process_name);
+ fprintf(error, "%s%s: ", program_name, process_name);
if (mode & ERR_WARN)
- fprintf(output_stream, "warning: ");
-
- va_start(ap, format_str); /* ap points to first unnamed argument */
-
- for(format_ptr=format_str; *format_ptr; format_ptr++)
- {
- if (*format_ptr != '%')
- {
- fprintf(output_stream, "%c", *format_ptr);
- continue;
- }
-
- switch(*++format_ptr)
- {
- case 'd':
- i_value = va_arg(ap, int);
- fprintf(output_stream, "%d", i_value);
- break;
-
- case 'f':
- d_value = va_arg(ap, double);
- fprintf(output_stream, "%f", d_value);
- break;
-
- case 's':
- s_value = va_arg(ap, char *);
- fprintf(output_stream, "%s", s_value);
- break;
-
- default:
- fprintf(stderr, "\n%s: Error(): invalid format string: %s\n",
- program_name, format_str);
- CloseAllAndExit(10);
- }
- }
+ fprintf(error, "warning: ");
+ va_start(ap, format);
+ vfprintf(error, format, ap);
va_end(ap);
- fprintf(output_stream, "\n");
+ fprintf(error, "\n");
}
if (mode & ERR_HELP)
- fprintf(output_stream, "%s: Try option '--help' for more information.\n",
+ fprintf(error, "%s: Try option '--help' for more information.\n",
program_name);
+ if (mode & ERR_EXIT)
+ fprintf(error, "%s%s: aborting\n", program_name, process_name);
+
+ if (error != stderr)
+ fclose(error);
+
if (mode & ERR_EXIT)
{
- fprintf(output_stream, "%s%s: aborting\n", program_name, process_name);
- CloseAllAndExit(1);
+ if (mode & ERR_FROM_SERVER)
+ exit(1); /* child process: normal exit */
+ else
+ CloseAllAndExit(1); /* main process: clean up stuff */
}
}
return ptr;
}
+void *checked_calloc(unsigned long size)
+{
+ void *ptr;
+
+ ptr = calloc(1, size);
+
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
#define TRANSLATE_KEYSYM_TO_KEYNAME 0
#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
#define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
{ XK_apostrophe, "XK_apostrophe", "'" },
{ XK_plus, "XK_plus", "+" },
{ XK_minus, "XK_minus", "-" },
+ { XK_equal, "XK_equal", "equal" },
{ XK_comma, "XK_comma", "," },
{ XK_period, "XK_period", "." },
+ { XK_colon, "XK_colon", ";" },
+ { XK_slash, "XK_slash", "/" },
{ XK_numbersign, "XK_numbersign", "#" },
+ { XK_backslash, "XK_backslash", "backslash" },
+ { XK_braceleft, "XK_braceleft", "brace left" },
+ { XK_braceright, "XK_braceright", "brace right" },
{ XK_less, "XK_less", "less" },
{ XK_greater, "XK_greater", "greater" },
{ XK_asciicircum, "XK_asciicircum", "circumflex" },
translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);
return joysymbol;
}
+
+int getJoystickNrFromDeviceName(char *device_name)
+{
+ char c;
+ int joystick_nr = 0;
+
+ if (device_name == NULL || device_name[0] == '\0')
+ return 0;
+
+ c = device_name[strlen(device_name) - 1];
+
+ if (c >= '0' && c <= '9')
+ joystick_nr = (int)(c - '0');
+
+ if (joystick_nr < 0 || joystick_nr >= MAX_PLAYERS)
+ joystick_nr = 0;
+
+ return joystick_nr;
+}
+
+/* ----------------------------------------------------------------- */
+/* the following is only for debugging purpose and normally not used */
+/* ----------------------------------------------------------------- */
+
+#define DEBUG_NUM_TIMESTAMPS 3
+
+void debug_print_timestamp(int counter_nr, char *message)
+{
+ static long counter[DEBUG_NUM_TIMESTAMPS][2];
+
+ if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
+ Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
+
+ counter[counter_nr][0] = Counter();
+
+ if (message)
+ printf("%s %.2f seconds\n", message,
+ (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000);
+
+ counter[counter_nr][1] = Counter();
+}