Use NULL instead of 0 (from OpenBSD). Also add or adjust comments.

[bsdgames-darwin.git] / battlestar / cypher.c

diff --git a/battlestar/cypher.c b/battlestar/cypher.c
index 71cb11d71900967a5cb3118ac0b6e3d3585160e3..6fd3c7dfc8bd2bc14210346e475762d688339687 100644 (file)
--- a/battlestar/cypher.c
+++ b/battlestar/cypher.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: cypher.c,v 1.16 2000/09/22 08:19:21 jsm Exp $  */
+/*     $NetBSD: cypher.c,v 1.18 2000/09/24 09:41:53 jsm Exp $  */
 
 /*
  * Copyright (c) 1983, 1993
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)cypher.c   8.2 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: cypher.c,v 1.16 2000/09/22 08:19:21 jsm Exp $");
+__RCSID("$NetBSD: cypher.c,v 1.18 2000/09/24 09:41:53 jsm Exp $");
 #endif
 #endif                         /* not lint */
 
@@ -102,11 +102,16 @@ cypher()
 
                case SHOOT:
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(location[position].objects, n) && objsht[n]) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = shoot();
                                        }
+                               if (!things)
+                                       puts("Nothing to shoot at!");
                                wordnumber++;
                                wordnumber++;
                        } else
@@ -115,8 +120,11 @@ cypher()
 
                case TAKE:
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(location[position].objects, n) && objsht[n]) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                /* Some objects (type NOUNS)
                                                 * have special treatment in
@@ -153,6 +161,8 @@ cypher()
                                        }
                                wordnumber++;
                                wordnumber++;
+                               if (!things)
+                                       puts("Nothing to take!");
                        } else
                                take(location[position].objects);
                        break;
@@ -160,13 +170,18 @@ cypher()
                case DROP:
 
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(inven, n)) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = drop("Dropped");
                                        }
                                wordnumber++;
                                wordnumber++;
+                               if (!things)
+                                       puts("Nothing to drop!");
                        } else
                                drop("Dropped");
                        break;
@@ -175,25 +190,36 @@ cypher()
                case KICK:
                case THROW:
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things, wv;
+                               things = 0;
+                               wv = wordvalue[wordnumber];
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(inven, n) ||
                                            (testbit(location[position].objects, n) && objsht[n])) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = throw(wordvalue[wordnumber] == KICK ? "Kicked" : "Thrown");
                                        }
                                wordnumber += 2;
+                               if (!things)
+                                       printf("Nothing to %s!\n", wv == KICK ? "kick" : "throw");
                        } else
                                throw(wordvalue[wordnumber] == KICK ? "Kicked" : "Thrown");
                        break;
 
                case TAKEOFF:
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(wear, n)) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = takeoff();
                                        }
                                wordnumber += 2;
+                               if (!things)
+                                       puts("Nothing to take off!");
                        } else
                                takeoff();
                        break;
@@ -202,12 +228,17 @@ cypher()
                case DRAW:
 
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(wear, n)) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = draw();
                                        }
                                wordnumber += 2;
+                               if (!things)
+                                       puts("Nothing to draw!");
                        } else
                                draw();
                        break;
@@ -216,12 +247,17 @@ cypher()
                case PUTON:
 
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(location[position].objects, n) && objsht[n]) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = puton();
                                        }
                                wordnumber += 2;
+                               if (!things)
+                                       puts("Nothing to put on!");
                        } else
                                puton();
                        break;
@@ -229,12 +265,17 @@ cypher()
                case WEARIT:
 
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(inven, n)) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = wearit();
                                        }
                                wordnumber += 2;
+                               if (!things)
+                                       puts("Nothing to wear!");
                        } else
                                wearit();
                        break;
@@ -243,12 +284,17 @@ cypher()
                case EAT:
 
                        if (wordnumber < wordcount && wordvalue[wordnumber + 1] == EVERYTHING) {
+                               int things;
+                               things = 0;
                                for (n = 0; n < NUMOFOBJECTS; n++)
                                        if (testbit(inven, n)) {
+                                               things++;
                                                wordvalue[wordnumber + 1] = n;
                                                wordnumber = eat();
                                        }
                                wordnumber += 2;
+                               if (!things)
+                                       puts("Nothing to eat!");
                        } else
                                eat();
                        break;
@@ -266,7 +312,8 @@ cypher()
                                        if (testbit(inven, n))
                                                printf("\t%s\n", objsht[n]);
                                printf("\n= %d kilogram%s (%d%%)\n", carrying, (carrying == 1 ? "." : "s."), (WEIGHT ? carrying * 100 / WEIGHT : -1));
-                               printf("Your arms are %d%% full.\n", encumber * 100 / CUMBER);
+                               printf("Your arms are %d%% full.\n",
+                                   (CUMBER ? encumber * 100 / CUMBER : -1));
                        } else
                                puts("You aren't carrying anything.");