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 void MarkTileDirty(int x, int y)
215 int xx = redraw_x1 + x;
216 int yy = redraw_y1 + y;
221 redraw[xx][yy] = TRUE;
222 redraw_mask |= REDRAW_TILES;
225 void GetOptions(char *argv[])
227 char **options_left = &argv[1];
229 /* initialize global program options */
230 options.display_name = NULL;
231 options.server_host = NULL;
232 options.server_port = 0;
233 options.base_directory = BASE_PATH;
234 options.level_directory = BASE_PATH "/" LEVELS_DIRECTORY;
235 options.serveronly = FALSE;
236 options.network = FALSE;
237 options.verbose = FALSE;
239 while (*options_left)
241 char option_str[MAX_OPTION_LEN];
242 char *option = options_left[0];
243 char *next_option = options_left[1];
244 char *option_arg = NULL;
245 int option_len = strlen(option);
247 strcpy(option_str, option); /* copy argument into buffer */
250 if (strcmp(option, "--") == 0) /* stop scanning arguments */
253 if (option_len >= MAX_OPTION_LEN)
254 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
256 if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
259 option_arg = strchr(option, '=');
260 if (option_arg == NULL) /* no '=' in option */
261 option_arg = next_option;
264 *option_arg++ = '\0'; /* cut argument from option */
265 if (*option_arg == '\0') /* no argument after '=' */
266 Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
269 option_len = strlen(option);
271 if (strcmp(option, "-") == 0)
272 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
273 else if (strncmp(option, "-help", option_len) == 0)
275 printf("Usage: %s [options] [server.name [port]]\n"
277 " -d, --display machine:0 X server display\n"
278 " -b, --basepath directory alternative base directory\n"
279 " -l, --levels directory alternative level directory\n"
280 " -s, --serveronly only start network server\n"
281 " -n, --network network multiplayer game\n"
282 " -v, --verbose verbose mode\n",
286 else if (strncmp(option, "-display", option_len) == 0)
288 if (option_arg == NULL)
289 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
291 options.display_name = option_arg;
292 if (option_arg == next_option)
295 printf("--display == '%s'\n", options.display_name);
297 else if (strncmp(option, "-basepath", option_len) == 0)
299 if (option_arg == NULL)
300 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
302 options.base_directory = option_arg;
303 if (option_arg == next_option)
306 printf("--basepath == '%s'\n", options.base_directory);
308 /* adjust path for level directory accordingly */
309 options.level_directory = checked_malloc(strlen(options.base_directory) +
310 strlen(LEVELS_DIRECTORY) + 2);
311 sprintf(options.level_directory, "%s/%s",
312 options.base_directory, LEVELS_DIRECTORY);
314 else if (strncmp(option, "-levels", option_len) == 0)
316 if (option_arg == NULL)
317 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
319 options.level_directory = option_arg;
320 if (option_arg == next_option)
323 printf("--levels == '%s'\n", options.level_directory);
325 else if (strncmp(option, "-network", option_len) == 0)
327 printf("--network\n");
329 options.network = TRUE;
331 else if (strncmp(option, "-serveronly", option_len) == 0)
333 printf("--serveronly\n");
335 options.serveronly = TRUE;
337 else if (strncmp(option, "-verbose", option_len) == 0)
339 printf("--verbose\n");
341 options.verbose = TRUE;
343 else if (*option == '-')
344 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
345 else if (options.server_host == NULL)
347 options.server_host = *options_left;
349 printf("server.name == '%s'\n", options.server_host);
351 else if (options.server_port == 0)
353 options.server_port = atoi(*options_left);
354 if (options.server_port < 1024)
355 Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
357 printf("port == %d\n", options.server_port);
360 Error(ERR_EXIT_HELP, "too many arguments");
366 void Error(int mode, char *format_str, ...)
368 FILE *output_stream = stderr;
369 char *process_name = "";
371 if (mode & ERR_SOUNDSERVER)
372 process_name = " sound server";
382 fprintf(output_stream, "%s%s: ", program_name, process_name);
385 fprintf(output_stream, "warning: ");
387 va_start(ap, format_str); /* ap points to first unnamed argument */
389 for(format_ptr=format_str; *format_ptr; format_ptr++)
391 if (*format_ptr != '%')
393 fprintf(output_stream, "%c", *format_ptr);
397 switch(*++format_ptr)
400 i_value = va_arg(ap, int);
401 fprintf(output_stream, "%d", i_value);
405 d_value = va_arg(ap, double);
406 fprintf(output_stream, "%f", d_value);
410 s_value = va_arg(ap, char *);
411 fprintf(output_stream, "%s", s_value);
415 fprintf(stderr, "\n%s: Error(): invalid format string: %s\n",
416 program_name, format_str);
423 fprintf(output_stream, "\n");
427 fprintf(output_stream, "%s: Try option '--help' for more information.\n",
432 fprintf(output_stream, "%s%s: aborting\n", program_name, process_name);
437 void *checked_malloc(unsigned long size)
444 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
449 void *checked_calloc(unsigned long size)
453 ptr = calloc(1, size);
456 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
461 #define TRANSLATE_KEYSYM_TO_KEYNAME 0
462 #define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
463 #define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
465 void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode)
474 /* normal cursor keys */
475 { XK_Left, "XK_Left", "cursor left" },
476 { XK_Right, "XK_Right", "cursor right" },
477 { XK_Up, "XK_Up", "cursor up" },
478 { XK_Down, "XK_Down", "cursor down" },
480 /* keypad cursor keys */
482 { XK_KP_Left, "XK_KP_Left", "keypad left" },
483 { XK_KP_Right, "XK_KP_Right", "keypad right" },
484 { XK_KP_Up, "XK_KP_Up", "keypad up" },
485 { XK_KP_Down, "XK_KP_Down", "keypad down" },
488 /* other keypad keys */
490 { XK_KP_Enter, "XK_KP_Enter", "keypad enter" },
491 { XK_KP_Add, "XK_KP_Add", "keypad +" },
492 { XK_KP_Subtract, "XK_KP_Subtract", "keypad -" },
493 { XK_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
494 { XK_KP_Divide, "XK_KP_Divide", "keypad /" },
495 { XK_KP_Separator, "XK_KP_Separator", "keypad ," },
499 { XK_Shift_L, "XK_Shift_L", "left shift" },
500 { XK_Shift_R, "XK_Shift_R", "right shift" },
501 { XK_Control_L, "XK_Control_L", "left control" },
502 { XK_Control_R, "XK_Control_R", "right control" },
503 { XK_Meta_L, "XK_Meta_L", "left meta" },
504 { XK_Meta_R, "XK_Meta_R", "right meta" },
505 { XK_Alt_L, "XK_Alt_L", "left alt" },
506 { XK_Alt_R, "XK_Alt_R", "right alt" },
507 { XK_Mode_switch, "XK_Mode_switch", "mode switch" },
508 { XK_Multi_key, "XK_Multi_key", "multi key" },
510 /* some special keys */
511 { XK_BackSpace, "XK_BackSpace", "backspace" },
512 { XK_Delete, "XK_Delete", "delete" },
513 { XK_Insert, "XK_Insert", "insert" },
514 { XK_Tab, "XK_Tab", "tab" },
515 { XK_Home, "XK_Home", "home" },
516 { XK_End, "XK_End", "end" },
517 { XK_Page_Up, "XK_Page_Up", "page up" },
518 { XK_Page_Down, "XK_Page_Down", "page down" },
519 { XK_space, "XK_space", "space" },
521 /* even more special keys */
522 { XK_adiaeresis, "XK_adiaeresis", "ä" },
523 { XK_odiaeresis, "XK_odiaeresis", "ö" },
524 { XK_udiaeresis, "XK_udiaeresis", "ü" },
525 { XK_apostrophe, "XK_apostrophe", "'" },
526 { XK_plus, "XK_plus", "+" },
527 { XK_minus, "XK_minus", "-" },
528 { XK_comma, "XK_comma", "," },
529 { XK_period, "XK_period", "." },
530 { XK_numbersign, "XK_numbersign", "#" },
531 { XK_less, "XK_less", "less" },
532 { XK_greater, "XK_greater", "greater" },
533 { XK_asciicircum, "XK_asciicircum", "circumflex" },
534 { XK_ssharp, "XK_ssharp", "sharp s" },
536 /* end-of-array identifier */
542 if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
544 static char name_buffer[30];
545 KeySym key = *keysym;
547 if (key >= XK_A && key <= XK_Z)
548 sprintf(name_buffer, "%c", 'A' + (char)(key - XK_A));
549 else if (key >= XK_a && key <= XK_z)
550 sprintf(name_buffer, "%c", 'a' + (char)(key - XK_a));
551 else if (key >= XK_0 && key <= XK_9)
552 sprintf(name_buffer, "%c", '0' + (char)(key - XK_0));
553 else if (key >= XK_KP_0 && key <= XK_KP_9)
554 sprintf(name_buffer, "keypad %c", '0' + (char)(key - XK_KP_0));
555 else if (key >= XK_F1 && key <= XK_F24)
556 sprintf(name_buffer, "function F%d", (int)(key - XK_F1 + 1));
557 else if (key == KEY_UNDEFINDED)
558 strcpy(name_buffer, "(undefined)");
565 if (key == translate_key[i].keysym)
567 strcpy(name_buffer, translate_key[i].name);
571 while (translate_key[++i].name);
573 if (!translate_key[i].name)
574 strcpy(name_buffer, "(unknown)");
579 else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
581 static char name_buffer[30];
582 KeySym key = *keysym;
584 if (key >= XK_A && key <= XK_Z)
585 sprintf(name_buffer, "XK_%c", 'A' + (char)(key - XK_A));
586 else if (key >= XK_a && key <= XK_z)
587 sprintf(name_buffer, "XK_%c", 'a' + (char)(key - XK_a));
588 else if (key >= XK_0 && key <= XK_9)
589 sprintf(name_buffer, "XK_%c", '0' + (char)(key - XK_0));
590 else if (key >= XK_KP_0 && key <= XK_KP_9)
591 sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - XK_KP_0));
592 else if (key >= XK_F1 && key <= XK_F24)
593 sprintf(name_buffer, "XK_F%d", (int)(key - XK_F1 + 1));
594 else if (key == KEY_UNDEFINDED)
595 strcpy(name_buffer, "[undefined]");
602 if (key == translate_key[i].keysym)
604 strcpy(name_buffer, translate_key[i].x11name);
608 while (translate_key[++i].x11name);
610 if (!translate_key[i].x11name)
611 sprintf(name_buffer, "0x%04lx", (unsigned long)key);
614 *x11name = name_buffer;
616 else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
618 KeySym key = XK_VoidSymbol;
619 char *name_ptr = *x11name;
621 if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4)
623 char c = name_ptr[3];
625 if (c >= 'A' && c <= 'Z')
626 key = XK_A + (KeySym)(c - 'A');
627 else if (c >= 'a' && c <= 'z')
628 key = XK_a + (KeySym)(c - 'a');
629 else if (c >= '0' && c <= '9')
630 key = XK_0 + (KeySym)(c - '0');
632 else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7)
634 char c = name_ptr[6];
636 if (c >= '0' && c <= '9')
637 key = XK_0 + (KeySym)(c - '0');
639 else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
641 char c1 = name_ptr[4];
642 char c2 = name_ptr[5];
645 if ((c1 >= '0' && c1 <= '9') &&
646 ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
647 d = atoi(&name_ptr[4]);
649 if (d >=1 && d <= 24)
650 key = XK_F1 + (KeySym)(d - 1);
652 else if (strncmp(name_ptr, "XK_", 3) == 0)
658 if (strcmp(name_ptr, translate_key[i].x11name) == 0)
660 key = translate_key[i].keysym;
664 while (translate_key[++i].x11name);
666 else if (strncmp(name_ptr, "0x", 2) == 0)
668 unsigned long value = 0;
674 char c = *name_ptr++;
677 if (c >= '0' && c <= '9')
679 else if (c >= 'a' && c <= 'f')
680 d = (int)(c - 'a' + 10);
681 else if (c >= 'A' && c <= 'F')
682 d = (int)(c - 'A' + 10);
690 value = value * 16 + d;
701 char *getKeyNameFromKeySym(KeySym keysym)
705 translate_keyname(&keysym, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
709 char *getX11KeyNameFromKeySym(KeySym keysym)
713 translate_keyname(&keysym, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
717 KeySym getKeySymFromX11KeyName(char *x11name)
721 translate_keyname(&keysym, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
725 #define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0
726 #define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1
728 void translate_joyname(int *joysymbol, char **name, int mode)
736 { JOY_LEFT, "joystick_left" },
737 { JOY_RIGHT, "joystick_right" },
738 { JOY_UP, "joystick_up" },
739 { JOY_DOWN, "joystick_down" },
740 { JOY_BUTTON_1, "joystick_button_1" },
741 { JOY_BUTTON_2, "joystick_button_2" },
746 if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME)
748 *name = "[undefined]";
752 if (*joysymbol == translate_joy[i].joysymbol)
754 *name = translate_joy[i].name;
759 else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL)
765 if (strcmp(*name, translate_joy[i].name) == 0)
767 *joysymbol = translate_joy[i].joysymbol;
774 char *getJoyNameFromJoySymbol(int joysymbol)
778 translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME);
782 int getJoySymbolFromJoyName(char *name)
786 translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);