/***********************************************************
* 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 *
-* *
-* Letzte Aenderung: 15.06.1995 *
***********************************************************/
-#include "misc.h"
-#include "tools.h"
-#include "sound.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 struct timeval base_time = { 0, 0 };
+ struct timeval current_time;
+ unsigned long counter_ms;
+
+ 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;
+
+ return counter_ms; /* return milliseconds since last init */
+}
+
+void InitCounter() /* set counter back to zero */
+{
+ mainCounter(INIT_COUNTER);
+}
+
+unsigned long Counter() /* get milliseconds since last call of InitCounter() */
+{
+ return(mainCounter(READ_COUNTER));
+}
+
+static void sleep_milliseconds(unsigned long milliseconds_delay)
+{
+ 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 */
+
+ 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(unsigned long delay) /* Sleep specified number of milliseconds */
+{
+ sleep_milliseconds(delay);
+}
-void microsleep(unsigned long usec)
+boolean FrameReached(unsigned long *frame_counter_var,
+ unsigned long frame_delay)
{
- struct timeval delay;
+ unsigned long actual_frame_counter = FrameCounter;
- delay.tv_sec = usec / 1000000;
- delay.tv_usec = usec % 1000000;
+ if (actual_frame_counter < *frame_counter_var+frame_delay &&
+ actual_frame_counter >= *frame_counter_var)
+ return(FALSE);
- if (select(0,NULL,NULL,NULL,&delay)!=0)
- fprintf(stderr,"%s: in function microsleep: select failed!\n",
- progname);
+ *frame_counter_var = actual_frame_counter;
+ return(TRUE);
}
-unsigned long be2long(unsigned long *be) /* big-endian -> longword */
+boolean DelayReached(unsigned long *counter_var,
+ unsigned long delay)
{
- unsigned char *ptr = (unsigned char *)be;
+ unsigned long actual_counter = Counter();
+
+ if (actual_counter < *counter_var + delay &&
+ actual_counter >= *counter_var)
+ return(FALSE);
+
+ *counter_var = actual_counter;
+ return(TRUE);
+}
+
+void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
+{
+ unsigned long actual_counter;
+
+ while(1)
+ {
+ actual_counter = Counter();
- return(ptr[0]<<24 | ptr[1]<<16 | ptr[2]<<8 | ptr[3]);
+ if (actual_counter < *counter_var + delay &&
+ actual_counter >= *counter_var)
+ sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
+ else
+ break;
+ }
+
+ *counter_var = actual_counter;
}
char *int2str(int ct, int nr)
return(&str[strlen(str)-nr]);
}
+unsigned int SimpleRND(unsigned int max)
+{
+ static unsigned long root = 654321;
+ struct timeval current_time;
+
+ gettimeofday(¤t_time,NULL);
+ root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
+ return(root % max);
+}
+
unsigned int RND(unsigned int max)
{
- return(rand() % max);
+ return(random_linux_libc() % max);
}
unsigned int InitRND(long seed)
if (seed==NEW_RANDOMIZE)
{
gettimeofday(¤t_time,NULL);
- srand((unsigned int) current_time.tv_usec);
+ srandom_linux_libc((unsigned int) current_time.tv_usec);
return((unsigned int) current_time.tv_usec);
}
else
{
- srand((unsigned int) seed);
+ srandom_linux_libc((unsigned int) seed);
return((unsigned int) seed);
}
}
return(pwd->pw_name);
}
-static struct AnimInfo toon[NUM_TOONS] =
+void MarkTileDirty(int x, int y)
{
- DWARF_XSIZE, DWARF_YSIZE,
- DWARF_X, DWARF_Y,
- DWARF_FRAMES,
- DWARF_FPS,
- DWARF_STEPSIZE,
- FALSE,
- ANIMDIR_RIGHT,
- ANIMPOS_DOWN,
-
- DWARF_XSIZE, DWARF_YSIZE,
- DWARF_X, DWARF2_Y,
- DWARF_FRAMES,
- DWARF_FPS,
- DWARF_STEPSIZE,
- FALSE,
- ANIMDIR_LEFT,
- ANIMPOS_DOWN,
-
- JUMPER_XSIZE, JUMPER_YSIZE,
- JUMPER_X, JUMPER_Y,
- JUMPER_FRAMES,
- JUMPER_FPS,
- JUMPER_STEPSIZE,
- FALSE,
- ANIMDIR_LEFT,
- ANIMPOS_DOWN,
-
- CLOWN_XSIZE, CLOWN_YSIZE,
- CLOWN_X, CLOWN_Y,
- CLOWN_FRAMES,
- CLOWN_FPS,
- CLOWN_STEPSIZE,
- FALSE,
- ANIMDIR_UP,
- ANIMPOS_ANY,
-
- BIRD_XSIZE, BIRD_YSIZE,
- BIRD1_X, BIRD1_Y,
- BIRD_FRAMES,
- BIRD_FPS,
- BIRD_STEPSIZE,
- TRUE,
- ANIMDIR_RIGHT,
- ANIMPOS_UPPER,
-
- BIRD_XSIZE, BIRD_YSIZE,
- BIRD2_X, BIRD2_Y,
- BIRD_FRAMES,
- BIRD_FPS,
- BIRD_STEPSIZE,
- TRUE,
- ANIMDIR_LEFT,
- ANIMPOS_UPPER
-};
-
-void InitAnimation()
-{
- HandleAnimation(ANIM_START);
-}
-
-void StopAnimation()
-{
- HandleAnimation(ANIM_STOP);
-}
+ int xx = redraw_x1 + x;
+ int yy = redraw_y1 + y;
-void DoAnimation()
-{
- HandleAnimation(ANIM_CONTINUE);
+ if (!redraw[xx][yy])
+ {
+ redraw[xx][yy] = TRUE;
+ redraw_tiles++;
+ redraw_mask |= REDRAW_TILES;
+ }
}
-void HandleAnimation(int mode)
+void GetOptions(char *argv[])
{
- static long animstart_delay = -1;
- static long animstart_delay_value = 0;
- static BOOL anim_restart = TRUE;
- static BOOL reset_delay = TRUE;
- static int toon_nr = 0;
+ char **options_left = &argv[1];
- if (!toons_on || game_status==PLAYING)
- return;
+ /* 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;
- switch(mode)
+ while (*options_left)
{
- case ANIM_START:
- anim_restart = TRUE;
- reset_delay = TRUE;
- return;
- break;
- case ANIM_CONTINUE:
- break;
- case ANIM_STOP:
- redraw_mask |= REDRAW_FIELD;
- BackToFront();
- return;
- break;
- default:
+ 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 (reset_delay)
- {
- animstart_delay = Counter();
- animstart_delay_value = RND(500);
- reset_delay = FALSE;
- }
+ if (option_len >= MAX_OPTION_LEN)
+ Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
- if (anim_restart)
- {
- if (!DelayReached(&animstart_delay,animstart_delay_value))
- return;
+ if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
+ option++;
- toon_nr = RND(NUM_TOONS);
- }
+ 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);
+ }
- anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart);
-}
+ option_len = strlen(option);
-BOOL AnimateToon(int toon_nr, BOOL restart)
-{
- static pos_x = 0, pos_y = 0;
- static delta_x = 0, delta_y = 0;
- static int frame = 0, frame_step = 1;
- static BOOL horiz_move, vert_move;
- static long anim_delay = 0;
- static int anim_delay_value = 0;
- struct AnimInfo *anim = &toon[toon_nr];
- static int width,height;
- static int pad_x,pad_y;
- static int cut_x,cut_y;
- static int src_x, src_y;
- static int dest_x, dest_y;
-
- if (restart)
- {
- horiz_move = (anim->direction & (ANIMDIR_LEFT | ANIMDIR_RIGHT));
- vert_move = (anim->direction & (ANIMDIR_UP | ANIMDIR_DOWN));
- anim_delay_value = 100/anim->frames_per_second;
- frame = 0;
+ 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);
- if (horiz_move)
+ 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 (anim->position==ANIMPOS_UP)
- pos_y = 0;
- else if (anim->position==ANIMPOS_DOWN)
- pos_y = FULL_SYSIZE-anim->height;
- else if (anim->position==ANIMPOS_UPPER)
- pos_y = RND((FULL_SYSIZE-anim->height)/2);
- else
- pos_y = RND(FULL_SYSIZE-anim->height);
-
- if (anim->direction==ANIMDIR_RIGHT)
- {
- delta_x = anim->stepsize;
- pos_x = -anim->width+delta_x;
- }
- else
- {
- delta_x = -anim->stepsize;
- pos_x = FULL_SXSIZE+delta_x;
- }
- delta_y = 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 (anim->position==ANIMPOS_LEFT)
- pos_x = 0;
- else if (anim->position==ANIMPOS_RIGHT)
- pos_x = FULL_SXSIZE-anim->width;
- else
- pos_x = RND(FULL_SXSIZE-anim->width);
-
- if (anim->direction==ANIMDIR_DOWN)
+ if (*format_ptr != '%')
{
- delta_y = anim->stepsize;
- pos_y = -anim->height+delta_y;
+ fprintf(output_stream, "%c", *format_ptr);
+ continue;
}
- else
+
+ switch(*++format_ptr)
{
- delta_y = -anim->stepsize;
- pos_y = FULL_SYSIZE+delta_y;
+ 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);
}
- delta_x = 0;
}
- }
-
- if (pos_x <= -anim->width - anim->stepsize ||
- pos_x >= FULL_SXSIZE + anim->stepsize ||
- pos_y <= -anim->height - anim->stepsize ||
- pos_y >= FULL_SYSIZE + anim->stepsize)
- return(TRUE);
-
- if (!DelayReached(&anim_delay,anim_delay_value))
- {
- if (game_status==HELPSCREEN && !restart)
- DrawAnim(src_x+cut_x,src_y+cut_y, width,height,
- REAL_SX+dest_x,REAL_SY+dest_y, pad_x,pad_y);
- return(FALSE);
+ 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 (pos_x<-anim->width)
- pos_x = -anim->width;
- else if (pos_x>FULL_SXSIZE)
- pos_x = FULL_SXSIZE;
- if (pos_y<-anim->height)
- pos_y = -anim->height;
- else if (pos_y>FULL_SYSIZE)
- pos_y = FULL_SYSIZE;
-
- pad_x = (horiz_move ? anim->stepsize : 0);
- pad_y = (vert_move ? anim->stepsize : 0);
- src_x = anim->src_x + frame * anim->width;
- src_y = anim->src_y;
- dest_x = pos_x;
- dest_y = pos_y;
- cut_x = cut_y = 0;
- width = anim->width;
- height = anim->height;
-
- if (pos_x<0)
+ if (mode != ERR_RETURN)
{
- dest_x = 0;
- width += pos_x;
- cut_x = -pos_x;
+ fprintf(output_stream, "%s%s: aborting\n", program_name, process_name);
+ CloseAllAndExit(1);
}
- else if (pos_x>FULL_SXSIZE-anim->width)
- width -= (pos_x - (FULL_SXSIZE-anim->width));
+}
- if (pos_y<0)
- {
- dest_y = 0;
- height += pos_y;
- cut_y = -pos_y;
- }
- else if (pos_y>FULL_SYSIZE-anim->height)
- height -= (pos_y - (FULL_SYSIZE-anim->height));
+void *checked_malloc(unsigned long size)
+{
+ void *ptr;
+
+ ptr = malloc(size);
- DrawAnim(src_x+cut_x,src_y+cut_y, width,height,
- REAL_SX+dest_x,REAL_SY+dest_y, pad_x,pad_y);
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
- pos_x += delta_x;
- pos_y += delta_y;
- frame += frame_step;
+ return ptr;
+}
- if (frame<0 || frame>=anim->frames)
+char *getKeySymName(KeySym key)
+{
+ static char key_name[20];
+ static struct
{
- if (anim->pingpong)
- {
- frame_step *= -1;
- frame = (frame<0 ? 1 : anim->frames-2);
- }
- else
- frame = (frame<0 ? anim->frames-1 : 0);
+ KeySym keysym;
+ char *name;
+ } translate[] =
+ {
+ { XK_Left, "cursor left" },
+ { XK_Right, "cursor right" },
+ { XK_Up, "cursor up" },
+ { XK_Down, "cursor down" },
+
+#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
+
+ { 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" },
+
+ { XK_Shift_L, "left shift" },
+ { XK_Shift_R, "right shift" },
+ { XK_Control_L, "left ctrl" },
+ { XK_Control_R, "right ctrl" },
+ { 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" },
+
+ { 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
+ {
+ int i = 0;
- return(FALSE);
-}
+ do
+ {
+ if (key == translate[i].keysym)
+ return translate[i].name;
+ }
+ while (translate[++i].name);
-void DrawAnim(int src_x, int src_y, int width, int height,
- int dest_x, int dest_y, int pad_x, int pad_y)
-{
- int buf_x = DOOR_GFX_PAGEX3, buf_y = DOOR_GFX_PAGEY1;
-
- XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
- width+2*pad_x,height+2*pad_y, buf_x,buf_y);
- XSetClipOrigin(display,clip_gc[PIX_TOONS],dest_x-src_x,dest_y-src_y);
- XCopyArea(display,pix[PIX_TOONS],backbuffer,clip_gc[PIX_TOONS],
- src_x,src_y, width,height, dest_x,dest_y);
- XCopyArea(display,backbuffer,window,gc, dest_x-pad_x,dest_y-pad_y,
- width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
-
- BackToFront();
-
- XCopyArea(display,pix[PIX_DB_DOOR],backbuffer,gc, buf_x,buf_y,
- width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
-
-/*
- XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
- width+2*pad_x,height+2*pad_y, buf_x,buf_y);
- XSetClipOrigin(display,clip_gc[PIX_TOONS],
- buf_x-src_x+pad_x,buf_y-src_y+pad_y);
- XCopyArea(display,pix[PIX_TOONS],pix[PIX_DB_DOOR],clip_gc[PIX_TOONS],
- src_x,src_y, width,height, buf_x+pad_x,buf_y+pad_y);
- XCopyArea(display,pix[PIX_DB_DOOR],window,gc, buf_x,buf_y,
- width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
-*/
-
- XFlush(display);
+ sprintf(key_name, "(unknown)");
+ return key_name;
+ }
}