/***********************************************************
* Rocks'n'Diamonds -- McDuffin Strikes Back! *
*----------------------------------------------------------*
-* ©1995 Artsoft Development *
-* Holger Schemel *
-* 33659 Bielefeld-Senne *
-* Telefon: (0521) 493245 *
-* eMail: aeglos@valinor.owl.de *
-* aeglos@uni-paderborn.de *
-* q99492@pbhrzx.uni-paderborn.de *
+* (c) 1995-98 Artsoft Entertainment *
+* Holger Schemel *
+* Oststrasse 11a *
+* 33604 Bielefeld *
+* phone: ++49 +521 290471 *
+* email: aeglos@valinor.owl.de *
*----------------------------------------------------------*
* misc.c *
***********************************************************/
-#include "misc.h"
-#include "tools.h"
-#include "sound.h"
-#include "random.h"
-
#include <pwd.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/types.h>
+#include <stdarg.h>
+
+#include "misc.h"
+#include "init.h"
+#include "tools.h"
+#include "sound.h"
+#include "random.h"
static unsigned long mainCounter(int mode)
{
static void sleep_milliseconds(unsigned long milliseconds_delay)
{
- if (milliseconds_delay < 5 || !cpu_friendly)
+ if (milliseconds_delay < 5)
{
- /* we want to wait less than 5 ms -- if we assume that we have a
+ /* 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 */
delay.tv_usec = 1000 * (milliseconds_delay % 1000);
if (select(0, NULL, NULL, NULL, &delay) != 0)
- fprintf(stderr,"%s: in function sleep_milliseconds: select() failed!\n",
- progname);
+ Error(ERR_RETURN, "sleep_milliseconds(): select() failed");
}
}
sleep_milliseconds(delay);
}
-BOOL FrameReached(unsigned long *frame_counter_var, unsigned long frame_delay)
+boolean FrameReached(unsigned long *frame_counter_var,
+ unsigned long frame_delay)
{
unsigned long actual_frame_counter = FrameCounter;
return(TRUE);
}
-BOOL DelayReached(unsigned long *counter_var, unsigned long delay)
+boolean DelayReached(unsigned long *counter_var,
+ unsigned long delay)
{
unsigned long actual_counter = Counter();
void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
{
- unsigned long actual_counter = Counter();
+ unsigned long actual_counter;
- if (actual_counter < *counter_var + delay && actual_counter >= *counter_var)
- sleep_milliseconds(*counter_var + delay - actual_counter);
+ while(1)
+ {
+ actual_counter = Counter();
+
+ if (actual_counter < *counter_var + delay &&
+ actual_counter >= *counter_var)
+ sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
+ else
+ break;
+ }
*counter_var = actual_counter;
}
redraw_mask |= REDRAW_TILES;
}
}
+
+void GetOptions(char *argv[])
+{
+ char **options_left = &argv[1];
+
+ /* initialize global program options */
+ options.display_name = NULL;
+ options.server_host = NULL;
+ options.server_port = 0;
+ options.serveronly = FALSE;
+ options.network = FALSE;
+ options.verbose = 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);
+
+ 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++;
+
+ 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);
+ }
+
+ option_len = strlen(option);
+
+ 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"
+ " -l, --levels directory alternative level directory\n"
+ " -s, --serveronly only start network server\n"
+ " -n, --network network multiplayer game\n"
+ " -v, --verbose verbose mode\n",
+ program_name);
+ 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);
+
+ options.display_name = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+
+ printf("--display == '%s'\n", options.display_name);
+ }
+ else if (strncmp(option, "-levels", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ level_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+
+ printf("--levels == '%s'\n", 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");
+
+ options_left++;
+ }
+}
+
+void Error(int mode, char *format_str, ...)
+{
+ FILE *output_stream = stderr;
+ char *process_name = "";
+
+ if (mode == ERR_EXIT_SOUNDSERVER)
+ process_name = " sound server";
+
+ if (format_str)
+ {
+ va_list ap;
+ char *format_ptr;
+ char *s_value;
+ int i_value;
+ double d_value;
+
+ fprintf(output_stream, "%s%s: ", program_name, process_name);
+
+ 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);
+ }
+ }
+
+ va_end(ap);
+
+ fprintf(output_stream, "\n");
+ }
+
+ if (mode == ERR_EXIT_HELP)
+ fprintf(output_stream, "%s: Try option '--help' for more information.\n",
+ program_name);
+
+ if (mode != ERR_RETURN)
+ {
+ fprintf(output_stream, "%s%s: aborting\n", program_name, process_name);
+ CloseAllAndExit(1);
+ }
+}
+
+void *checked_malloc(unsigned long size)
+{
+ void *ptr;
+
+ ptr = malloc(size);
+
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
projects / rocksndiamonds.git / blobdiff