1 /***********************************************************
2 * Rocks'n'Diamonds -- McDuffin Strikes Back! *
3 *----------------------------------------------------------*
4 * (c) 1995-98 Artsoft Entertainment *
8 * phone: ++49 +521 290471 *
9 * email: aeglos@valinor.owl.de *
10 *----------------------------------------------------------*
12 ***********************************************************/
18 #include <sys/param.h>
19 #include <sys/types.h>
29 static unsigned long mainCounter(int mode)
31 static struct timeval base_time = { 0, 0 };
32 struct timeval current_time;
33 unsigned long counter_ms;
35 gettimeofday(¤t_time, NULL);
37 if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec)
38 base_time = current_time;
40 counter_ms = (current_time.tv_sec - base_time.tv_sec) * 1000
41 + (current_time.tv_usec - base_time.tv_usec) / 1000;
43 return counter_ms; /* return milliseconds since last init */
46 void InitCounter() /* set counter back to zero */
48 mainCounter(INIT_COUNTER);
51 unsigned long Counter() /* get milliseconds since last call of InitCounter() */
53 return(mainCounter(READ_COUNTER));
56 static void sleep_milliseconds(unsigned long milliseconds_delay)
58 if (milliseconds_delay < 5)
60 /* we want to wait only a few ms -- if we assume that we have a
61 kernel timer resolution of 10 ms, we would wait far to long;
62 therefore it's better to do a short interval of busy waiting
63 to get our sleeping time more accurate */
65 unsigned long base_counter = Counter(), actual_counter = Counter();
67 while (actual_counter < base_counter + milliseconds_delay &&
68 actual_counter >= base_counter)
69 actual_counter = Counter();
75 delay.tv_sec = milliseconds_delay / 1000;
76 delay.tv_usec = 1000 * (milliseconds_delay % 1000);
78 if (select(0, NULL, NULL, NULL, &delay) != 0)
79 Error(ERR_WARN, "sleep_milliseconds(): select() failed");
83 void Delay(unsigned long delay) /* Sleep specified number of milliseconds */
85 sleep_milliseconds(delay);
88 boolean FrameReached(unsigned long *frame_counter_var,
89 unsigned long frame_delay)
91 unsigned long actual_frame_counter = FrameCounter;
93 if (actual_frame_counter < *frame_counter_var+frame_delay &&
94 actual_frame_counter >= *frame_counter_var)
97 *frame_counter_var = actual_frame_counter;
101 boolean DelayReached(unsigned long *counter_var,
104 unsigned long actual_counter = Counter();
106 if (actual_counter < *counter_var + delay &&
107 actual_counter >= *counter_var)
110 *counter_var = actual_counter;
114 void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
116 unsigned long actual_counter;
120 actual_counter = Counter();
122 if (actual_counter < *counter_var + delay &&
123 actual_counter >= *counter_var)
124 sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
129 *counter_var = actual_counter;
132 char *int2str(int number, int size)
141 sprintf(s, " %09d", number);
142 return &s[strlen(s) - size];
146 sprintf(s, "%d", number);
151 unsigned int SimpleRND(unsigned int max)
153 static unsigned long root = 654321;
154 struct timeval current_time;
156 gettimeofday(¤t_time,NULL);
157 root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
161 unsigned int RND(unsigned int max)
163 return (random_linux_libc() % max);
166 unsigned int InitRND(long seed)
168 struct timeval current_time;
170 if (seed == NEW_RANDOMIZE)
172 gettimeofday(¤t_time,NULL);
173 srandom_linux_libc((unsigned int) current_time.tv_usec);
174 return (unsigned int)current_time.tv_usec;
178 srandom_linux_libc((unsigned int) seed);
179 return (unsigned int)seed;
187 if (!(pwd = getpwuid(getuid())))
195 static char *home_dir = NULL;
199 if (!(home_dir = getenv("HOME")))
203 if ((pwd = getpwuid(getuid())))
204 home_dir = pwd->pw_dir;
213 char *getPath2(char *path1, char *path2)
215 char *complete_path = checked_malloc(strlen(path1) + strlen(path2) + 2);
217 sprintf(complete_path, "%s/%s", path1, path2);
218 return complete_path;
221 char *getStringCopy(char *s)
223 char *s_copy = checked_malloc(strlen(s) + 1);
229 void MarkTileDirty(int x, int y)
231 int xx = redraw_x1 + x;
232 int yy = redraw_y1 + y;
237 redraw[xx][yy] = TRUE;
238 redraw_mask |= REDRAW_TILES;
241 void GetOptions(char *argv[])
243 char **options_left = &argv[1];
245 /* initialize global program options */
246 options.display_name = NULL;
247 options.server_host = NULL;
248 options.server_port = 0;
249 options.base_directory = BASE_PATH;
250 options.level_directory = BASE_PATH "/" LEVELS_DIRECTORY;
251 options.serveronly = FALSE;
252 options.network = FALSE;
253 options.verbose = FALSE;
255 while (*options_left)
257 char option_str[MAX_OPTION_LEN];
258 char *option = options_left[0];
259 char *next_option = options_left[1];
260 char *option_arg = NULL;
261 int option_len = strlen(option);
263 strcpy(option_str, option); /* copy argument into buffer */
266 if (strcmp(option, "--") == 0) /* stop scanning arguments */
269 if (option_len >= MAX_OPTION_LEN)
270 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
272 if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
275 option_arg = strchr(option, '=');
276 if (option_arg == NULL) /* no '=' in option */
277 option_arg = next_option;
280 *option_arg++ = '\0'; /* cut argument from option */
281 if (*option_arg == '\0') /* no argument after '=' */
282 Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
285 option_len = strlen(option);
287 if (strcmp(option, "-") == 0)
288 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
289 else if (strncmp(option, "-help", option_len) == 0)
291 printf("Usage: %s [options] [server.name [port]]\n"
293 " -d, --display machine:0 X server display\n"
294 " -b, --basepath directory alternative base directory\n"
295 " -l, --levels directory alternative level directory\n"
296 " -s, --serveronly only start network server\n"
297 " -n, --network network multiplayer game\n"
298 " -v, --verbose verbose mode\n",
302 else if (strncmp(option, "-display", option_len) == 0)
304 if (option_arg == NULL)
305 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
307 options.display_name = option_arg;
308 if (option_arg == next_option)
311 printf("--display == '%s'\n", options.display_name);
313 else if (strncmp(option, "-basepath", option_len) == 0)
315 if (option_arg == NULL)
316 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
318 options.base_directory = option_arg;
319 if (option_arg == next_option)
322 printf("--basepath == '%s'\n", options.base_directory);
324 /* adjust path for level directory accordingly */
325 options.level_directory = checked_malloc(strlen(options.base_directory) +
326 strlen(LEVELS_DIRECTORY) + 2);
327 sprintf(options.level_directory, "%s/%s",
328 options.base_directory, LEVELS_DIRECTORY);
330 else if (strncmp(option, "-levels", option_len) == 0)
332 if (option_arg == NULL)
333 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
335 options.level_directory = option_arg;
336 if (option_arg == next_option)
339 printf("--levels == '%s'\n", options.level_directory);
341 else if (strncmp(option, "-network", option_len) == 0)
343 printf("--network\n");
345 options.network = TRUE;
347 else if (strncmp(option, "-serveronly", option_len) == 0)
349 printf("--serveronly\n");
351 options.serveronly = TRUE;
353 else if (strncmp(option, "-verbose", option_len) == 0)
355 printf("--verbose\n");
357 options.verbose = TRUE;
359 else if (*option == '-')
360 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
361 else if (options.server_host == NULL)
363 options.server_host = *options_left;
365 printf("server.name == '%s'\n", options.server_host);
367 else if (options.server_port == 0)
369 options.server_port = atoi(*options_left);
370 if (options.server_port < 1024)
371 Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
373 printf("port == %d\n", options.server_port);
376 Error(ERR_EXIT_HELP, "too many arguments");
382 void Error(int mode, char *format, ...)
384 FILE *output_stream = stderr;
385 char *process_name = "";
387 if (mode & ERR_SOUNDSERVER)
388 process_name = " sound server";
394 fprintf(output_stream, "%s%s: ", program_name, process_name);
397 fprintf(output_stream, "warning: ");
399 va_start(ap, format);
400 vfprintf(output_stream, format, ap);
403 fprintf(output_stream, "\n");
407 fprintf(output_stream, "%s: Try option '--help' for more information.\n",
412 fprintf(output_stream, "%s%s: aborting\n", program_name, process_name);
417 void *checked_malloc(unsigned long size)
424 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
429 void *checked_calloc(unsigned long size)
433 ptr = calloc(1, size);
436 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
441 #define TRANSLATE_KEYSYM_TO_KEYNAME 0
442 #define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
443 #define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
445 void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode)
454 /* normal cursor keys */
455 { XK_Left, "XK_Left", "cursor left" },
456 { XK_Right, "XK_Right", "cursor right" },
457 { XK_Up, "XK_Up", "cursor up" },
458 { XK_Down, "XK_Down", "cursor down" },
460 /* keypad cursor keys */
462 { XK_KP_Left, "XK_KP_Left", "keypad left" },
463 { XK_KP_Right, "XK_KP_Right", "keypad right" },
464 { XK_KP_Up, "XK_KP_Up", "keypad up" },
465 { XK_KP_Down, "XK_KP_Down", "keypad down" },
468 /* other keypad keys */
470 { XK_KP_Enter, "XK_KP_Enter", "keypad enter" },
471 { XK_KP_Add, "XK_KP_Add", "keypad +" },
472 { XK_KP_Subtract, "XK_KP_Subtract", "keypad -" },
473 { XK_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
474 { XK_KP_Divide, "XK_KP_Divide", "keypad /" },
475 { XK_KP_Separator, "XK_KP_Separator", "keypad ," },
479 { XK_Shift_L, "XK_Shift_L", "left shift" },
480 { XK_Shift_R, "XK_Shift_R", "right shift" },
481 { XK_Control_L, "XK_Control_L", "left control" },
482 { XK_Control_R, "XK_Control_R", "right control" },
483 { XK_Meta_L, "XK_Meta_L", "left meta" },
484 { XK_Meta_R, "XK_Meta_R", "right meta" },
485 { XK_Alt_L, "XK_Alt_L", "left alt" },
486 { XK_Alt_R, "XK_Alt_R", "right alt" },
487 { XK_Mode_switch, "XK_Mode_switch", "mode switch" },
488 { XK_Multi_key, "XK_Multi_key", "multi key" },
490 /* some special keys */
491 { XK_BackSpace, "XK_BackSpace", "backspace" },
492 { XK_Delete, "XK_Delete", "delete" },
493 { XK_Insert, "XK_Insert", "insert" },
494 { XK_Tab, "XK_Tab", "tab" },
495 { XK_Home, "XK_Home", "home" },
496 { XK_End, "XK_End", "end" },
497 { XK_Page_Up, "XK_Page_Up", "page up" },
498 { XK_Page_Down, "XK_Page_Down", "page down" },
499 { XK_space, "XK_space", "space" },
501 /* even more special keys */
502 { XK_adiaeresis, "XK_adiaeresis", "ä" },
503 { XK_odiaeresis, "XK_odiaeresis", "ö" },
504 { XK_udiaeresis, "XK_udiaeresis", "ü" },
505 { XK_apostrophe, "XK_apostrophe", "'" },
506 { XK_plus, "XK_plus", "+" },
507 { XK_minus, "XK_minus", "-" },
508 { XK_comma, "XK_comma", "," },
509 { XK_period, "XK_period", "." },
510 { XK_numbersign, "XK_numbersign", "#" },
511 { XK_less, "XK_less", "less" },
512 { XK_greater, "XK_greater", "greater" },
513 { XK_asciicircum, "XK_asciicircum", "circumflex" },
514 { XK_ssharp, "XK_ssharp", "sharp s" },
516 /* end-of-array identifier */
522 if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
524 static char name_buffer[30];
525 KeySym key = *keysym;
527 if (key >= XK_A && key <= XK_Z)
528 sprintf(name_buffer, "%c", 'A' + (char)(key - XK_A));
529 else if (key >= XK_a && key <= XK_z)
530 sprintf(name_buffer, "%c", 'a' + (char)(key - XK_a));
531 else if (key >= XK_0 && key <= XK_9)
532 sprintf(name_buffer, "%c", '0' + (char)(key - XK_0));
533 else if (key >= XK_KP_0 && key <= XK_KP_9)
534 sprintf(name_buffer, "keypad %c", '0' + (char)(key - XK_KP_0));
535 else if (key >= XK_F1 && key <= XK_F24)
536 sprintf(name_buffer, "function F%d", (int)(key - XK_F1 + 1));
537 else if (key == KEY_UNDEFINDED)
538 strcpy(name_buffer, "(undefined)");
545 if (key == translate_key[i].keysym)
547 strcpy(name_buffer, translate_key[i].name);
551 while (translate_key[++i].name);
553 if (!translate_key[i].name)
554 strcpy(name_buffer, "(unknown)");
559 else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
561 static char name_buffer[30];
562 KeySym key = *keysym;
564 if (key >= XK_A && key <= XK_Z)
565 sprintf(name_buffer, "XK_%c", 'A' + (char)(key - XK_A));
566 else if (key >= XK_a && key <= XK_z)
567 sprintf(name_buffer, "XK_%c", 'a' + (char)(key - XK_a));
568 else if (key >= XK_0 && key <= XK_9)
569 sprintf(name_buffer, "XK_%c", '0' + (char)(key - XK_0));
570 else if (key >= XK_KP_0 && key <= XK_KP_9)
571 sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - XK_KP_0));
572 else if (key >= XK_F1 && key <= XK_F24)
573 sprintf(name_buffer, "XK_F%d", (int)(key - XK_F1 + 1));
574 else if (key == KEY_UNDEFINDED)
575 strcpy(name_buffer, "[undefined]");
582 if (key == translate_key[i].keysym)
584 strcpy(name_buffer, translate_key[i].x11name);
588 while (translate_key[++i].x11name);
590 if (!translate_key[i].x11name)
591 sprintf(name_buffer, "0x%04lx", (unsigned long)key);
594 *x11name = name_buffer;
596 else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
598 KeySym key = XK_VoidSymbol;
599 char *name_ptr = *x11name;
601 if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4)
603 char c = name_ptr[3];
605 if (c >= 'A' && c <= 'Z')
606 key = XK_A + (KeySym)(c - 'A');
607 else if (c >= 'a' && c <= 'z')
608 key = XK_a + (KeySym)(c - 'a');
609 else if (c >= '0' && c <= '9')
610 key = XK_0 + (KeySym)(c - '0');
612 else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7)
614 char c = name_ptr[6];
616 if (c >= '0' && c <= '9')
617 key = XK_0 + (KeySym)(c - '0');
619 else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
621 char c1 = name_ptr[4];
622 char c2 = name_ptr[5];
625 if ((c1 >= '0' && c1 <= '9') &&
626 ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
627 d = atoi(&name_ptr[4]);
629 if (d >=1 && d <= 24)
630 key = XK_F1 + (KeySym)(d - 1);
632 else if (strncmp(name_ptr, "XK_", 3) == 0)
638 if (strcmp(name_ptr, translate_key[i].x11name) == 0)
640 key = translate_key[i].keysym;
644 while (translate_key[++i].x11name);
646 else if (strncmp(name_ptr, "0x", 2) == 0)
648 unsigned long value = 0;
654 char c = *name_ptr++;
657 if (c >= '0' && c <= '9')
659 else if (c >= 'a' && c <= 'f')
660 d = (int)(c - 'a' + 10);
661 else if (c >= 'A' && c <= 'F')
662 d = (int)(c - 'A' + 10);
670 value = value * 16 + d;
681 char *getKeyNameFromKeySym(KeySym keysym)
685 translate_keyname(&keysym, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
689 char *getX11KeyNameFromKeySym(KeySym keysym)
693 translate_keyname(&keysym, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
697 KeySym getKeySymFromX11KeyName(char *x11name)
701 translate_keyname(&keysym, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
705 #define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0
706 #define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1
708 void translate_joyname(int *joysymbol, char **name, int mode)
716 { JOY_LEFT, "joystick_left" },
717 { JOY_RIGHT, "joystick_right" },
718 { JOY_UP, "joystick_up" },
719 { JOY_DOWN, "joystick_down" },
720 { JOY_BUTTON_1, "joystick_button_1" },
721 { JOY_BUTTON_2, "joystick_button_2" },
726 if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME)
728 *name = "[undefined]";
732 if (*joysymbol == translate_joy[i].joysymbol)
734 *name = translate_joy[i].name;
739 else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL)
745 if (strcmp(*name, translate_joy[i].name) == 0)
747 *joysymbol = translate_joy[i].joysymbol;
754 char *getJoyNameFromJoySymbol(int joysymbol)
758 translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME);
762 int getJoySymbolFromJoyName(char *name)
766 translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);
770 /* the following is only for debugging purpose and normally not used */
771 #define DEBUG_NUM_TIMESTAMPS 3
773 void debug_print_timestamp(int counter_nr, char *message)
775 static long counter[DEBUG_NUM_TIMESTAMPS][2];
777 if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
778 Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
780 counter[counter_nr][0] = Counter();
783 printf("%s %.2f seconds\n", message,
784 (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000);
786 counter[counter_nr][1] = Counter();