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_RETURN, "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 ct, int nr)
136 sprintf(str,"%09d",ct);
137 return(&str[strlen(str)-nr]);
140 unsigned int SimpleRND(unsigned int max)
142 static unsigned long root = 654321;
143 struct timeval current_time;
145 gettimeofday(¤t_time,NULL);
146 root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
150 unsigned int RND(unsigned int max)
152 return(random_linux_libc() % max);
155 unsigned int InitRND(long seed)
157 struct timeval current_time;
159 if (seed==NEW_RANDOMIZE)
161 gettimeofday(¤t_time,NULL);
162 srandom_linux_libc((unsigned int) current_time.tv_usec);
163 return((unsigned int) current_time.tv_usec);
167 srandom_linux_libc((unsigned int) seed);
168 return((unsigned int) seed);
176 if (!(pwd=getpwuid(getuid())))
179 return(pwd->pw_name);
182 void MarkTileDirty(int x, int y)
184 int xx = redraw_x1 + x;
185 int yy = redraw_y1 + y;
189 redraw[xx][yy] = TRUE;
191 redraw_mask |= REDRAW_TILES;
195 void GetOptions(char *argv[])
197 char **options_left = &argv[1];
199 /* initialize global program options */
200 options.display_name = NULL;
201 options.server_host = NULL;
202 options.server_port = 0;
203 options.serveronly = FALSE;
204 options.network = FALSE;
205 options.verbose = FALSE;
207 while (*options_left)
209 char option_str[MAX_OPTION_LEN];
210 char *option = options_left[0];
211 char *next_option = options_left[1];
212 char *option_arg = NULL;
213 int option_len = strlen(option);
215 strcpy(option_str, option); /* copy argument into buffer */
218 if (strcmp(option, "--") == 0) /* stop scanning arguments */
221 if (option_len >= MAX_OPTION_LEN)
222 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
224 if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
227 option_arg = strchr(option, '=');
228 if (option_arg == NULL) /* no '=' in option */
229 option_arg = next_option;
232 *option_arg++ = '\0'; /* cut argument from option */
233 if (*option_arg == '\0') /* no argument after '=' */
234 Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
237 option_len = strlen(option);
239 if (strcmp(option, "-") == 0)
240 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
241 else if (strncmp(option, "-help", option_len) == 0)
243 printf("Usage: %s [options] [server.name [port]]\n"
245 " -d, --display machine:0 X server display\n"
246 " -l, --levels directory alternative level directory\n"
247 " -s, --serveronly only start network server\n"
248 " -n, --network network multiplayer game\n"
249 " -v, --verbose verbose mode\n",
253 else if (strncmp(option, "-display", option_len) == 0)
255 if (option_arg == NULL)
256 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
258 options.display_name = option_arg;
259 if (option_arg == next_option)
262 printf("--display == '%s'\n", options.display_name);
264 else if (strncmp(option, "-levels", option_len) == 0)
266 if (option_arg == NULL)
267 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
269 level_directory = option_arg;
270 if (option_arg == next_option)
273 printf("--levels == '%s'\n", level_directory);
275 else if (strncmp(option, "-network", option_len) == 0)
277 printf("--network\n");
279 options.network = TRUE;
281 else if (strncmp(option, "-serveronly", option_len) == 0)
283 printf("--serveronly\n");
285 options.serveronly = TRUE;
287 else if (strncmp(option, "-verbose", option_len) == 0)
289 printf("--verbose\n");
291 options.verbose = TRUE;
293 else if (*option == '-')
294 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
295 else if (options.server_host == NULL)
297 options.server_host = *options_left;
299 printf("server.name == '%s'\n", options.server_host);
301 else if (options.server_port == 0)
303 options.server_port = atoi(*options_left);
304 if (options.server_port < 1024)
305 Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
307 printf("port == %d\n", options.server_port);
310 Error(ERR_EXIT_HELP, "too many arguments");
316 void Error(int mode, char *format_str, ...)
318 FILE *output_stream = stderr;
319 char *process_name = "";
321 if (mode == ERR_EXIT_SOUNDSERVER)
322 process_name = " sound server";
332 fprintf(output_stream, "%s%s: ", program_name, process_name);
334 va_start(ap, format_str); /* ap points to first unnamed argument */
336 for(format_ptr=format_str; *format_ptr; format_ptr++)
338 if (*format_ptr != '%')
340 fprintf(output_stream, "%c", *format_ptr);
344 switch(*++format_ptr)
347 i_value = va_arg(ap, int);
348 fprintf(output_stream, "%d", i_value);
352 d_value = va_arg(ap, double);
353 fprintf(output_stream, "%f", d_value);
357 s_value = va_arg(ap, char *);
358 fprintf(output_stream, "%s", s_value);
362 fprintf(stderr, "\n%s: Error(): invalid format string: %s\n",
363 program_name, format_str);
370 fprintf(output_stream, "\n");
373 if (mode == ERR_EXIT_HELP)
374 fprintf(output_stream, "%s: Try option '--help' for more information.\n",
377 if (mode != ERR_RETURN)
379 fprintf(output_stream, "%s%s: aborting\n", program_name, process_name);
384 void *checked_malloc(unsigned long size)
391 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
396 #define TRANSLATE_KEYSYM_TO_KEYNAME 0
397 #define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
398 #define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
400 void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode)
409 /* normal cursor keys */
410 { XK_Left, "XK_Left", "cursor left" },
411 { XK_Right, "XK_Right", "cursor right" },
412 { XK_Up, "XK_Up", "cursor up" },
413 { XK_Down, "XK_Down", "cursor down" },
415 /* keypad cursor keys */
417 { XK_KP_Left, "XK_KP_Left", "keypad left" },
418 { XK_KP_Right, "XK_KP_Right", "keypad right" },
419 { XK_KP_Up, "XK_KP_Up", "keypad up" },
420 { XK_KP_Down, "XK_KP_Down", "keypad down" },
423 /* other keypad keys */
425 { XK_KP_Enter, "XK_KP_Enter", "keypad enter" },
426 { XK_KP_Add, "XK_KP_Add", "keypad +" },
427 { XK_KP_Subtract, "XK_KP_Subtract", "keypad -" },
428 { XK_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
429 { XK_KP_Divide, "XK_KP_Divide", "keypad /" },
430 { XK_KP_Separator, "XK_KP_Separator", "keypad ," },
434 { XK_Shift_L, "XK_Shift_L", "left shift" },
435 { XK_Shift_R, "XK_Shift_R", "right shift" },
436 { XK_Control_L, "XK_Control_L", "left control" },
437 { XK_Control_R, "XK_Control_R", "right control" },
438 { XK_Meta_L, "XK_Meta_L", "left meta" },
439 { XK_Meta_R, "XK_Meta_R", "right meta" },
440 { XK_Alt_L, "XK_Alt_L", "left alt" },
441 { XK_Alt_R, "XK_Alt_R", "right alt" },
442 { XK_Mode_switch, "XK_Mode_switch", "mode switch" },
443 { XK_Multi_key, "XK_Multi_key", "multi key" },
445 /* some special keys */
446 { XK_BackSpace, "XK_BackSpace", "backspace" },
447 { XK_Delete, "XK_Delete", "delete" },
448 { XK_Insert, "XK_Insert", "insert" },
449 { XK_Tab, "XK_Tab", "tab" },
450 { XK_Home, "XK_Home", "home" },
451 { XK_End, "XK_End", "end" },
452 { XK_Page_Up, "XK_Page_Up", "page up" },
453 { XK_Page_Down, "XK_Page_Down", "page down" },
454 { XK_space, "XK_space", "space" },
456 /* even more special keys */
457 { XK_adiaeresis, "XK_adiaeresis", "ä" },
458 { XK_odiaeresis, "XK_odiaeresis", "ö" },
459 { XK_udiaeresis, "XK_udiaeresis", "ü" },
460 { XK_apostrophe, "XK_apostrophe", "'" },
461 { XK_plus, "XK_plus", "+" },
462 { XK_minus, "XK_minus", "-" },
463 { XK_comma, "XK_comma", "," },
464 { XK_period, "XK_period", "." },
465 { XK_numbersign, "XK_numbersign", "#" },
466 { XK_less, "XK_less", "less" },
467 { XK_greater, "XK_greater", "greater" },
468 { XK_asciicircum, "XK_asciicircum", "circumflex" },
469 { XK_ssharp, "XK_ssharp", "sharp s" },
471 /* end-of-array identifier */
477 if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
479 static char name_buffer[30];
480 KeySym key = *keysym;
482 if (key >= XK_A && key <= XK_Z)
483 sprintf(name_buffer, "%c", 'A' + (char)(key - XK_A));
484 else if (key >= XK_a && key <= XK_z)
485 sprintf(name_buffer, "%c", 'a' + (char)(key - XK_a));
486 else if (key >= XK_0 && key <= XK_9)
487 sprintf(name_buffer, "%c", '0' + (char)(key - XK_0));
488 else if (key >= XK_KP_0 && key <= XK_KP_9)
489 sprintf(name_buffer, "keypad %c", '0' + (char)(key - XK_KP_0));
490 else if (key >= XK_F1 && key <= XK_F24)
491 sprintf(name_buffer, "function F%d", (int)(key - XK_F1 + 1));
492 else if (key == KEY_UNDEFINDED)
493 strcpy(name_buffer, "(undefined)");
500 if (key == translate_key[i].keysym)
502 strcpy(name_buffer, translate_key[i].name);
506 while (translate_key[++i].name);
508 if (!translate_key[i].name)
509 strcpy(name_buffer, "(unknown)");
514 else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
516 static char name_buffer[30];
517 KeySym key = *keysym;
519 if (key >= XK_A && key <= XK_Z)
520 sprintf(name_buffer, "XK_%c", 'A' + (char)(key - XK_A));
521 else if (key >= XK_a && key <= XK_z)
522 sprintf(name_buffer, "XK_%c", 'a' + (char)(key - XK_a));
523 else if (key >= XK_0 && key <= XK_9)
524 sprintf(name_buffer, "XK_%c", '0' + (char)(key - XK_0));
525 else if (key >= XK_KP_0 && key <= XK_KP_9)
526 sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - XK_KP_0));
527 else if (key >= XK_F1 && key <= XK_F24)
528 sprintf(name_buffer, "XK_F%d", (int)(key - XK_F1 + 1));
529 else if (key == KEY_UNDEFINDED)
530 strcpy(name_buffer, "[undefined]");
537 if (key == translate_key[i].keysym)
539 strcpy(name_buffer, translate_key[i].x11name);
543 while (translate_key[++i].x11name);
545 if (!translate_key[i].x11name)
546 sprintf(name_buffer, "0x%04lx", (unsigned long)key);
549 *x11name = name_buffer;
551 else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
553 KeySym key = XK_VoidSymbol;
554 char *name_ptr = *x11name;
556 if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4)
558 char c = name_ptr[3];
560 if (c >= 'A' && c <= 'Z')
561 key = XK_A + (KeySym)(c - 'A');
562 else if (c >= 'a' && c <= 'z')
563 key = XK_a + (KeySym)(c - 'a');
564 else if (c >= '0' && c <= '9')
565 key = XK_0 + (KeySym)(c - '0');
567 else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7)
569 char c = name_ptr[6];
571 if (c >= '0' && c <= '9')
572 key = XK_0 + (KeySym)(c - '0');
574 else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
576 char c1 = name_ptr[4];
577 char c2 = name_ptr[5];
580 if ((c1 >= '0' && c1 <= '9') &&
581 ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
582 d = atoi(&name_ptr[4]);
584 if (d >=1 && d <= 24)
585 key = XK_F1 + (KeySym)(d - 1);
587 else if (strncmp(name_ptr, "XK_", 3) == 0)
593 if (strcmp(name_ptr, translate_key[i].x11name) == 0)
595 key = translate_key[i].keysym;
599 while (translate_key[++i].x11name);
601 else if (strncmp(name_ptr, "0x", 2) == 0)
603 unsigned long value = 0;
609 char c = *name_ptr++;
612 if (c >= '0' && c <= '9')
614 else if (c >= 'a' && c <= 'f')
615 d = (int)(c - 'a' + 10);
616 else if (c >= 'A' && c <= 'F')
617 d = (int)(c - 'A' + 10);
625 value = value * 16 + d;
636 char *getKeyNameFromKeySym(KeySym keysym)
640 translate_keyname(&keysym, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
644 char *getX11KeyNameFromKeySym(KeySym keysym)
648 translate_keyname(&keysym, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
652 KeySym getKeySymFromX11KeyName(char *x11name)
656 translate_keyname(&keysym, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
660 #define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0
661 #define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1
663 void translate_joyname(int *joysymbol, char **name, int mode)
671 { JOY_LEFT, "joystick_left" },
672 { JOY_RIGHT, "joystick_right" },
673 { JOY_UP, "joystick_up" },
674 { JOY_DOWN, "joystick_down" },
675 { JOY_BUTTON_1, "joystick_button_1" },
676 { JOY_BUTTON_2, "joystick_button_2" },
681 if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME)
683 *name = "[undefined]";
687 if (*joysymbol == translate_joy[i].joysymbol)
689 *name = translate_joy[i].name;
694 else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL)
700 if (strcmp(*name, translate_joy[i].name) == 0)
702 *joysymbol = translate_joy[i].joysymbol;
709 char *getJoyNameFromJoySymbol(int joysymbol)
713 translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME);
717 int getJoySymbolFromJoyName(char *name)
721 translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);