1 files changed, 342 insertions, 0 deletions
diff --git a/games/rogue/ring.c b/games/rogue/ring.c
new file mode 100644
index 00000000000..b531fa474e3
--- /dev/null
+++ b/games/rogue/ring.c
@@ -0,0 +1,342 @@
+/*	$NetBSD: ring.c,v 1.3 1995/04/22 10:28:09 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Timothy C. Stoehr.
+ *
+ * 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
+#if 0
+static char sccsid[] = "@(#)ring.c	8.1 (Berkeley) 5/31/93";
+#else
+static char rcsid[] = "$NetBSD: ring.c,v 1.3 1995/04/22 10:28:09 cgd Exp $";
+#endif
+#endif /* not lint */
+
+/*
+ * ring.c
+ *
+ * This source herein may be modified and/or distributed by anybody who
+ * so desires, with the following restrictions:
+ *    1.)  No portion of this notice shall be removed.
+ *    2.)  Credit shall not be taken for the creation of this source.
+ *    3.)  This code is not to be traded, sold, or used for personal
+ *         gain or profit.
+ *
+ */
+
+#include "rogue.h"
+
+char *left_or_right = "left or right hand?";
+char *no_ring = "there's no ring on that hand";
+short stealthy;
+short r_rings;
+short add_strength;
+short e_rings;
+short regeneration;
+short ring_exp;
+short auto_search;
+boolean r_teleport;
+boolean r_see_invisible;
+boolean sustain_strength;
+boolean maintain_armor;
+
+extern char *curse_message;
+extern boolean wizard;
+
+put_on_ring()
+{
+	short ch;
+	char desc[DCOLS];
+	object *ring;
+
+	if (r_rings == 2) {
+		message("wearing two rings already", 0);
+		return;
+	}
+	if ((ch = pack_letter("put on what?", RING)) == CANCEL) {
+		return;
+	}
+	if (!(ring = get_letter_object(ch))) {
+		message("no such item.", 0);
+		return;
+	}
+	if (!(ring->what_is & RING)) {
+		message("that's not a ring", 0);
+		return;
+	}
+	if (ring->in_use_flags & (ON_LEFT_HAND | ON_RIGHT_HAND)) {
+		message("that ring is already being worn", 0);
+		return;
+	}
+	if (r_rings == 1) {
+		ch = (rogue.left_ring ? 'r' : 'l');
+	} else {
+		message(left_or_right, 0);
+		do {
+			ch = rgetchar();
+		} while ((ch != CANCEL) && (ch != 'l') && (ch != 'r') && (ch != '\n') &&
+			 	(ch != '\r'));
+	}
+	if ((ch != 'l') && (ch != 'r')) {
+		check_message();
+		return;
+	}
+	if (((ch == 'l') && rogue.left_ring)||((ch == 'r') && rogue.right_ring)) {
+		check_message();
+		message("there's already a ring on that hand", 0);
+		return;
+	}
+	if (ch == 'l') {
+		do_put_on(ring, 1);
+	} else {
+		do_put_on(ring, 0);
+	}
+	ring_stats(1);
+	check_message();
+	get_desc(ring, desc);
+	message(desc, 0);
+	(void) reg_move();
+}
+
+/*
+ * Do not call ring_stats() from within do_put_on().  It will cause
+ * serious problems when do_put_on() is called from read_pack() in restore().
+ */
+
+do_put_on(ring, on_left)
+object *ring;
+boolean on_left;
+{
+	if (on_left) {
+		ring->in_use_flags |= ON_LEFT_HAND;
+		rogue.left_ring = ring;
+	} else {
+		ring->in_use_flags |= ON_RIGHT_HAND;
+		rogue.right_ring = ring;
+	}
+}
+
+remove_ring()
+{
+	boolean left = 0, right = 0;
+	short ch;
+	char buf[DCOLS];
+	object *ring;
+
+	if (r_rings == 0) {
+		inv_rings();
+	} else if (rogue.left_ring && !rogue.right_ring) {
+		left = 1;
+	} else if (!rogue.left_ring && rogue.right_ring) {
+		right = 1;
+	} else {
+		message(left_or_right, 0);
+		do {
+			ch = rgetchar();
+		} while ((ch != CANCEL) && (ch != 'l') && (ch != 'r') &&
+			(ch != '\n') && (ch != '\r'));
+		left = (ch == 'l');
+		right = (ch == 'r');
+		check_message();
+	}
+	if (left || right) {
+		if (left) {
+			if (rogue.left_ring) {
+				ring = rogue.left_ring;
+			} else {
+				message(no_ring, 0);
+			}
+		} else {
+			if (rogue.right_ring) {
+				ring = rogue.right_ring;
+			} else {
+				message(no_ring, 0);
+			}
+		}
+		if (ring->is_cursed) {
+			message(curse_message, 0);
+		} else {
+			un_put_on(ring);
+			(void) strcpy(buf, "removed ");
+			get_desc(ring, buf + 8);
+			message(buf, 0);
+			(void) reg_move();
+		}
+	}
+}
+
+un_put_on(ring)
+object *ring;
+{
+	if (ring && (ring->in_use_flags & ON_LEFT_HAND)) {
+		ring->in_use_flags &= (~ON_LEFT_HAND);
+		rogue.left_ring = 0;
+	} else if (ring && (ring->in_use_flags & ON_RIGHT_HAND)) {
+		ring->in_use_flags &= (~ON_RIGHT_HAND);
+		rogue.right_ring = 0;
+	}
+	ring_stats(1);
+}
+
+gr_ring(ring, assign_wk)
+object *ring;
+boolean assign_wk;
+{
+	ring->what_is = RING;
+	if (assign_wk) {
+		ring->which_kind = get_rand(0, (RINGS - 1));
+	}
+	ring->class = 0;
+
+	switch(ring->which_kind) {
+	/*
+	case STEALTH:
+		break;
+	case SLOW_DIGEST:
+		break;
+	case REGENERATION:
+		break;
+	case R_SEE_INVISIBLE:
+		break;
+	case SUSTAIN_STRENGTH:
+		break;
+	case R_MAINTAIN_ARMOR:
+		break;
+	case SEARCHING:
+		break;
+	*/
+	case R_TELEPORT:
+		ring->is_cursed = 1;
+		break;
+	case ADD_STRENGTH:
+	case DEXTERITY:
+		while ((ring->class = (get_rand(0, 4) - 2)) == 0) ;
+		ring->is_cursed = (ring->class < 0);
+		break;
+	case ADORNMENT:
+		ring->is_cursed = coin_toss();
+		break;
+	}
+}
+
+inv_rings()
+{
+	char buf[DCOLS];
+
+	if (r_rings == 0) {
+		message("not wearing any rings", 0);
+	} else {
+		if (rogue.left_ring) {
+			get_desc(rogue.left_ring, buf);
+			message(buf, 0);
+		}
+		if (rogue.right_ring) {
+			get_desc(rogue.right_ring, buf);
+			message(buf, 0);
+		}
+	}
+	if (wizard) {
+		sprintf(buf, "ste %d, r_r %d, e_r %d, r_t %d, s_s %d, a_s %d, reg %d, r_e %d, s_i %d, m_a %d, aus %d",
+			stealthy, r_rings, e_rings, r_teleport, sustain_strength,
+			add_strength, regeneration, ring_exp, r_see_invisible,
+			maintain_armor, auto_search);
+		message(buf, 0);
+	}
+}
+
+ring_stats(pr)
+boolean pr;
+{
+	short i;
+	object *ring;
+
+	stealthy = 0;
+	r_rings = 0;
+	e_rings = 0;
+	r_teleport = 0;
+	sustain_strength = 0;
+	add_strength = 0;
+	regeneration = 0;
+	ring_exp = 0;
+	r_see_invisible = 0;
+	maintain_armor = 0;
+	auto_search = 0;
+
+	for (i = 0; i < 2; i++) {
+		if (!(ring = ((i == 0) ? rogue.left_ring : rogue.right_ring))) {
+			continue;
+		}
+		r_rings++;
+		e_rings++;
+		switch(ring->which_kind) {
+		case STEALTH:
+			stealthy++;
+			break;
+		case R_TELEPORT:
+			r_teleport = 1;
+			break;
+		case REGENERATION:
+			regeneration++;
+			break;
+		case SLOW_DIGEST:
+			e_rings -= 2;
+			break;
+		case ADD_STRENGTH:
+			add_strength += ring->class;
+			break;
+		case SUSTAIN_STRENGTH:
+			sustain_strength = 1;
+			break;
+		case DEXTERITY:
+			ring_exp += ring->class;
+			break;
+		case ADORNMENT:
+			break;
+		case R_SEE_INVISIBLE:
+			r_see_invisible = 1;
+			break;
+		case MAINTAIN_ARMOR:
+			maintain_armor = 1;
+			break;
+		case SEARCHING:
+			auto_search += 2;
+			break;
+		}
+	}
+	if (pr) {
+		print_stats(STAT_STRENGTH);
+		relight();
+	}
+}