]> git.cameronkatri.com Git - bsdgames-darwin.git/blobdiff - trek/warp.c
A revision of "The purpose of computing is insight, not numbers" by
[bsdgames-darwin.git] / trek / warp.c
index 0b78b5e2490131574504ecf021ba994b63d980f1..1e792ebc7d39f49998205022e3c0692dccb31a7d 100644 (file)
@@ -1,6 +1,8 @@
+/*     $NetBSD: warp.c,v 1.11 2009/05/24 22:55:03 dholland Exp $       */
+
 /*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1980, 1993
+ *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
-/*static char sccsid[] = "from: @(#)warp.c     5.4 (Berkeley) 6/1/90";*/
-static char rcsid[] = "$Id: warp.c,v 1.2 1993/08/01 18:49:52 mycroft Exp $";
+#if 0
+static char sccsid[] = "@(#)warp.c     8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: warp.c,v 1.11 2009/05/24 22:55:03 dholland Exp $");
+#endif
 #endif /* not lint */
 
-# include      "trek.h"
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include <unistd.h>
+#include "trek.h"
+#include "getpar.h"
 
 /*
 **  MOVE UNDER WARP POWER
@@ -54,41 +61,49 @@ static char rcsid[] = "$Id: warp.c,v 1.2 1993/08/01 18:49:52 mycroft Exp $";
 **     case, there is code to handle time warps, etc.
 */
 
-warp(fl, c, d)
-int    fl, c;
-double d;
+void
+dowarp(int fl)
+{
+       int c;
+       double d;
+
+       if (getcodi(&c, &d))
+               return;
+       warp(fl, c, d);
+}
+
+void
+warp(int fl, int c, double d)
 {
-       int                     course;
-       double                  power;
-       double                  dist;
-       double                  time;
-       double                  speed;
-       double                  frac;
-       register int            percent;
-       register int            i;
-       extern double           move();
-
-       if (Ship.cond == DOCKED)
-               return (printf("%s is docked\n", Ship.shipname));
-       if (damaged(WARP))
-       {
-               return (out(WARP));
+       char           *p;
+       int             course;
+       double          power;
+       double          dist;
+       double          time;
+       double          speed;
+       double          frac;
+       int             percent;
+       int             i;
+       double repairs;
+
+       if (Ship.cond == DOCKED) {
+               printf("%s is docked\n", Ship.shipname);
+               return;
        }
-       if (fl < 0)
-       {
-               course = c;
-               dist = d;
+       if (damaged(WARP)) {
+               out(WARP);
+               return;
        }
-       else
-               if (getcodi(&course, &dist))
-                       return;
+
+       course = c;
+       dist = d;
 
        /* check to see that we are not using an absurd amount of power */
        power = (dist + 0.05) * Ship.warp3;
        percent = 100 * power / Ship.energy + 0.5;
-       if (percent >= 85)
-       {
-               printf("Scotty: That would consume %d%% of our remaining energy.\n",
+       if (percent >= 85) {
+               printf("Scotty: That would consume %d%% of our remaining "
+                      "energy.\n",
                        percent);
                if (!getynpar("Are you sure that is wise"))
                        return;
@@ -100,8 +115,7 @@ double      d;
 
        /* check to see that that value is not ridiculous */
        percent = 100 * time / Now.time + 0.5;
-       if (percent >= 85)
-       {
+       if (percent >= 85) {
                printf("Spock: That would take %d%% of our remaining time.\n",
                        percent);
                if (!getynpar("Are you sure that is wise"))
@@ -109,12 +123,12 @@ double    d;
        }
 
        /* compute how far we will go if we get damages */
-       if (Ship.warp > 6.0 && ranf(100) < 20 + 15 * (Ship.warp - 6.0))
-       {
+       if (Ship.warp > 6.0 && ranf(100) < 20 + 15 * (Ship.warp - 6.0)) {
                frac = franf();
                dist *= frac;
                time *= frac;
-               damage(WARP, (frac + 1.0) * Ship.warp * (franf() + 0.25) * 0.20);
+               repairs = (frac + 1.0) * Ship.warp * (franf() + 0.25) * 0.20;
+               damage(WARP, repairs);
        }
 
        /* do the move */
@@ -133,25 +147,23 @@ double    d;
        sleep(2);
        printf("Crew experiencing extreme sensory distortion\n");
        sleep(4);
-       if (ranf(100) >= 100 * dist)
-       {
-               return (printf("Equilibrium restored -- all systems normal\n"));
+       if (ranf(100) >= 100 * dist) {
+               printf("Equilibrium restored -- all systems normal\n");
+               return;
        }
 
        /* select a bizzare thing to happen to us */
        percent = ranf(100);
-       if (percent < 70)
-       {
+       if (percent < 70) {
                /* time warp */
-               if (percent < 35 || !Game.snap)
-               {
+               if (percent < 35 || !Game.snap) {
                        /* positive time warp */
                        time = (Ship.warp - 8.0) * dist * (franf() + 1.0);
                        Now.date += time;
-                       printf("Positive time portal entered -- it is now Stardate %.2f\n",
+                       printf("Positive time portal entered -- "
+                              "it is now Stardate %.2f\n",
                                Now.date);
-                       for (i = 0; i < MAXEVENTS; i++)
-                       {
+                       for (i = 0; i < MAXEVENTS; i++) {
                                percent = Event[i].evcode;
                                if (percent == E_FIXDV || percent == E_LRTB)
                                        Event[i].date += time;
@@ -161,11 +173,14 @@ double    d;
 
                /* s/he got lucky: a negative time portal */
                time = Now.date;
-               i = (int) Etc.snapshot;
-               bmove(i, Quad, sizeof Quad);
-               bmove(i += sizeof Quad, Event, sizeof Event);
-               bmove(i += sizeof Event, &Now, sizeof Now);
-               printf("Negative time portal entered -- it is now Stardate %.2f\n",
+               p = (char *) Etc.snapshot;
+               memcpy(p, Quad, sizeof Quad);
+               p += sizeof Quad;
+               memcpy(p, Event, sizeof Event);
+               p += sizeof Event;
+               memcpy(p, &Now, sizeof Now);
+               printf("Negative time portal entered -- "
+                      "it is now Stardate %.2f\n",
                        Now.date);
                for (i = 0; i < MAXEVENTS; i++)
                        if (Event[i].evcode == E_FIXDV)
@@ -176,7 +191,8 @@ double      d;
        /* test for just a lot of damage */
        if (percent < 80)
                lose(L_TOOFAST);
-       printf("Equilibrium restored -- extreme damage occured to ship systems\n");
+       printf("Equilibrium restored -- "
+              "extreme damage occurred to ship systems\n");
        for (i = 0; i < NDEV; i++)
                damage(i, (3.0 * (franf() + franf()) + 1.0) * Param.damfac[i]);
        Ship.shldup = 0;