initial import of 386bsd-0.1 sources

1 files changed, 226 insertions, 0 deletions

diff --git a/battlestar/room.c b/battlestar/room.c
new file mode 100644
index 00000000..f6c9418d
--- /dev/null
+++ b/battlestar/room.c
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 1983 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
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)room.c	5.3 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+#include "externs.h"
+
+writedes()
+{
+	int compass;
+	register char *p;
+	register c;
+
+	printf("\n\t%s\n", location[position].name);
+	if (beenthere[position] < 3) {
+		compass = NORTH;
+		for (p = location[position].desc; c = *p++;)
+			if (c != '-' && c != '*' && c != '+')
+				putchar(c);
+			else {
+				if (c != '*')
+					printf(truedirec(compass, c));
+				compass++;
+			}
+	}
+}
+
+printobjs()
+{
+	register unsigned int *p = location[position].objects;
+	register n;
+
+	printf("\n");
+	for (n = 0; n < NUMOFOBJECTS; n++)
+		if (testbit(p, n) && objdes[n])
+			puts(objdes[n]);
+}
+
+whichway(here)
+struct room here;
+{
+	switch(direction) {
+
+		case NORTH:
+			left = here.west;
+			right = here.east;
+			ahead = here.north;
+			back = here.south;
+			break;
+		
+		case SOUTH:
+			left = here.east;
+			right = here.west;
+			ahead = here.south;
+			back = here.north;
+			break;
+
+		case EAST:
+			left = here.north;
+			right = here.south;
+			ahead = here.east;
+			back = here.west;
+			break;
+
+		case WEST:
+			left = here.south;
+			right = here.north;
+			ahead = here.west;
+			back = here.east;
+			break;
+
+	}
+}
+
+char *
+truedirec(way, option)
+int way;
+char option;
+{
+	switch(way) {
+
+		case NORTH:
+			switch(direction) {
+				case NORTH:
+					return("ahead");
+				case SOUTH:
+					return(option == '+' ? "behind you" : "back");
+				case EAST:
+					return("left");
+				case WEST:
+					return("right");
+			}
+
+		case SOUTH:
+			switch(direction) {
+				case NORTH:
+					return(option == '+' ? "behind you" : "back");
+				case SOUTH:
+					return("ahead");
+				case EAST:
+					return("right");
+				case WEST:
+					return("left");
+			}
+
+		case EAST:
+			switch(direction) {
+				case NORTH:
+					return("right");
+				case SOUTH:
+					return("left");
+				case EAST:
+					return("ahead");
+				case WEST:	
+					return(option == '+' ? "behind you" : "back");
+			}
+
+		case WEST:
+			switch(direction) {
+				case NORTH:
+					return("left");
+				case SOUTH:
+					return("right");
+				case EAST:
+					return(option == '+' ? "behind you" : "back");
+				case WEST:
+					return("ahead");
+			}
+
+		default:
+			printf("Error: room %d.  More than four directions wanted.", position);
+			return("!!");
+      }
+}
+
+newway(thisway)
+int thisway;
+{
+	switch(direction){
+
+		case NORTH:
+			switch(thisway){
+				case LEFT:
+					direction = WEST;
+					break;
+				case RIGHT:
+					direction = EAST;
+					break;
+				case BACK:
+					direction = SOUTH;
+					break;
+			}
+			break;
+		case SOUTH:
+			switch(thisway){
+				case LEFT:
+					direction = EAST;
+					break;
+				case RIGHT:
+					direction = WEST;
+					break;
+				case BACK:
+					direction = NORTH;
+					break;
+			}
+			break;
+		case EAST:
+			switch(thisway){
+				case LEFT:
+					direction = NORTH;
+					break;
+				case RIGHT:
+					direction = SOUTH;
+					break;
+				case BACK:
+					direction = WEST;
+					break;
+			}
+			break;
+		case WEST:
+			switch(thisway){
+				case LEFT:
+					direction = SOUTH;
+					break;
+				case RIGHT:
+					direction = NORTH;
+					break;
+				case BACK:
+					direction = EAST;
+					break;
+			}
+			break;
+      }
+}