/***********************************************************
* 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>
-void microsleep(unsigned long usec)
-{
- if (usec < 5000)
- {
- /* we want to wait less than 5 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 */
-
- long base_counter = Counter(), actual_counter = Counter();
- long delay = usec/1000;
-
- while (actual_counter < base_counter+delay &&
- actual_counter >= base_counter)
- actual_counter = Counter();
- }
- else
- {
- struct timeval delay;
-
- delay.tv_sec = usec / 1000000;
- delay.tv_usec = usec % 1000000;
-
- if (select(0,NULL,NULL,NULL,&delay) != 0)
- fprintf(stderr,"%s: in function microsleep: select failed!\n",
- progname);
- }
-}
+#include "misc.h"
+#include "init.h"
+#include "tools.h"
+#include "sound.h"
+#include "random.h"
-long mainCounter(int mode)
+static unsigned long mainCounter(int mode)
{
static struct timeval base_time = { 0, 0 };
struct timeval current_time;
- long counter_ms;
+ unsigned long counter_ms;
+
+ gettimeofday(¤t_time, NULL);
- gettimeofday(¤t_time,NULL);
if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec)
base_time = current_time;
- counter_ms = (current_time.tv_sec - base_time.tv_sec)*1000
- + (current_time.tv_usec - base_time.tv_usec)/1000;
+ counter_ms = (current_time.tv_sec - base_time.tv_sec) * 1000
+ + (current_time.tv_usec - base_time.tv_usec) / 1000;
return counter_ms; /* return milliseconds since last init */
}
-void InitCounter() /* set counter back to zero */
+void InitCounter() /* set counter back to zero */
{
mainCounter(INIT_COUNTER);
}
-long Counter() /* get milliseconds since last call of InitCounter() */
+unsigned long Counter() /* get milliseconds since last call of InitCounter() */
{
return(mainCounter(READ_COUNTER));
}
-void WaitCounter(long value) /* wait for counter to reach value */
+static void sleep_milliseconds(unsigned long milliseconds_delay)
{
- long wait;
+ if (milliseconds_delay < 5)
+ {
+ /* 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 */
- while((wait=value-Counter())>0)
- microsleep(wait * 1000);
+ unsigned long base_counter = Counter(), actual_counter = Counter();
+
+ while (actual_counter < base_counter + milliseconds_delay &&
+ actual_counter >= base_counter)
+ actual_counter = Counter();
+ }
+ else
+ {
+ struct timeval delay;
+
+ delay.tv_sec = milliseconds_delay / 1000;
+ delay.tv_usec = 1000 * (milliseconds_delay % 1000);
+
+ if (select(0, NULL, NULL, NULL, &delay) != 0)
+ Error(ERR_RETURN, "sleep_milliseconds(): select() failed");
+ }
}
-void Delay(long value) /* Delay 'value' milliseconds */
+void Delay(unsigned long delay) /* Sleep specified number of milliseconds */
{
- microsleep(value * 1000);
+ sleep_milliseconds(delay);
}
-BOOL DelayReached(long *counter_var, int delay)
+boolean FrameReached(unsigned long *frame_counter_var,
+ unsigned long frame_delay)
{
- long actual_counter = Counter();
+ unsigned long actual_frame_counter = FrameCounter;
- if (actual_counter >= *counter_var+delay || actual_counter < *counter_var)
- {
- *counter_var = actual_counter;
- return(TRUE);
- }
- else
+ if (actual_frame_counter < *frame_counter_var+frame_delay &&
+ actual_frame_counter >= *frame_counter_var)
return(FALSE);
+
+ *frame_counter_var = actual_frame_counter;
+ return(TRUE);
}
-BOOL FrameReached(long *frame_counter_var, int frame_delay)
+boolean DelayReached(unsigned long *counter_var,
+ unsigned long delay)
{
- long actual_frame_counter = FrameCounter;
+ unsigned long actual_counter = Counter();
+
+ if (actual_counter < *counter_var + delay &&
+ actual_counter >= *counter_var)
+ return(FALSE);
- if (actual_frame_counter >= *frame_counter_var+frame_delay ||
- actual_frame_counter < *frame_counter_var)
+ *counter_var = actual_counter;
+ return(TRUE);
+}
+
+void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
+{
+ unsigned long actual_counter;
+
+ while(1)
{
- *frame_counter_var = actual_frame_counter;
- return(TRUE);
+ actual_counter = Counter();
+
+ if (actual_counter < *counter_var + delay &&
+ actual_counter >= *counter_var)
+ sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
+ else
+ break;
}
- else
- return(FALSE);
+
+ *counter_var = actual_counter;
}
char *int2str(int ct, int nr)
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;
+}
+
+char *getKeySymName(KeySym key)
+{
+ static char key_name[20];
+ static struct
+ {
+ KeySym keysym;
+ char *name;
+ } translate[] =
+ {
+ /* normal cursor keys */
+ { XK_Left, "cursor left" },
+ { XK_Right, "cursor right" },
+ { XK_Up, "cursor up" },
+ { XK_Down, "cursor down" },
+
+ /* keypad cursor keys */
+#ifdef XK_KP_Left
+ { XK_KP_Left, "keypad left" },
+ { XK_KP_Right, "keypad right" },
+ { XK_KP_Up, "keypad up" },
+ { XK_KP_Down, "keypad down" },
+#endif
+
+ /* other keypad keys */
+#ifdef XK_KP_Enter
+ { XK_KP_Enter, "keypad enter" },
+ { XK_KP_Add, "keypad +" },
+ { XK_KP_Subtract, "keypad -" },
+ { XK_KP_Multiply, "keypad mltply" },
+ { XK_KP_Divide, "keypad /" },
+ { XK_KP_Separator, "keypad ," },
+#endif
+
+ /* modifier keys */
+ { XK_Shift_L, "left shift" },
+ { XK_Shift_R, "right shift" },
+ { XK_Control_L, "left control" },
+ { XK_Control_R, "right control" },
+ { XK_Meta_L, "left meta" },
+ { XK_Meta_R, "right meta" },
+ { XK_Alt_L, "left alt" },
+ { XK_Alt_R, "right alt" },
+ { XK_Mode_switch, "mode switch" },
+ { XK_Multi_key, "multi key" },
+
+ /* some special keys */
+ { XK_BackSpace, "backspace" },
+ { XK_Delete, "delete" },
+ { XK_Insert, "insert" },
+ { XK_Tab, "tab" },
+ { XK_Home, "home" },
+ { XK_End, "end" },
+ { XK_Page_Up, "page up" },
+ { XK_Page_Down, "page down" },
+ { XK_space, "space" },
+
+ /* even more special keys */
+ { XK_adiaeresis, "ä" },
+ { XK_odiaeresis, "ö" },
+ { XK_udiaeresis, "ü" },
+ { XK_apostrophe, "'" },
+ { XK_plus, "+" },
+ { XK_minus, "-" },
+ { XK_comma, "," },
+ { XK_period, "." },
+ { XK_numbersign, "#" },
+ { XK_less, "less" },
+ { XK_greater, "greater" },
+ { XK_asciicircum, "circumflex" },
+ { XK_ssharp, "sharp s" },
+
+ /* end-of-array identifier */
+ { 0, NULL }
+ };
+
+ if (key >= XK_A && key <= XK_Z)
+ {
+ sprintf(key_name, "%c", 'A' + (char)(key - XK_A));
+ return key_name;
+ }
+ else if (key >= XK_a && key <= XK_z)
+ {
+ sprintf(key_name, "%c", 'a' + (char)(key - XK_a));
+ return key_name;
+ }
+ else if (key >= XK_0 && key <= XK_9)
+ {
+ sprintf(key_name, "%c", '0' + (char)(key - XK_0));
+ return key_name;
+ }
+ else if (key >= XK_KP_0 && key <= XK_KP_9)
+ {
+ sprintf(key_name, "keypad %c", '0' + (char)(key - XK_KP_0));
+ return key_name;
+ }
+ else if (key >= XK_F1 && key <= XK_F24)
+ {
+ sprintf(key_name, "function F%d", (int)(key - XK_F1 + 1));
+ return key_name;
+ }
+ else
+ {
+ int i = 0;
+
+ do
+ {
+ if (key == translate[i].keysym)
+ return translate[i].name;
+ }
+ while (translate[++i].name);
+
+ sprintf(key_name, "(unknown)");
+ return key_name;
+ }
+}
projects / rocksndiamonds.git / blobdiff