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1.1 rubenllo 1: /*
2: rings.c - Routines dealing specificaly with rings
3:
4: XRogue: Expeditions into the Dungeons of Doom
5: Copyright (C) 1991 Robert Pietkivitch
6: All rights reserved.
7:
8: Based on "Advanced Rogue"
9: Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
10: All rights reserved.
11:
12: Based on "Rogue: Exploring the Dungeons of Doom"
13: Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
14: All rights reserved.
15:
16: See the file LICENSE.TXT for full copyright and licensing information.
17: */
18:
19: #include <stdlib.h>
20: #include <string.h>
21: #include <curses.h>
22: #include "rogue.h"
23:
24: /*
25: * routines dealing specifically with rings
26: */
27:
28: /*
29: * how much food does this ring use up?
30: */
31:
32: int
33: ring_eat(int hand)
34: {
35: if (cur_ring[hand] == NULL)
36: return 0;
37: switch (cur_ring[hand]->o_which) {
38: case R_VAMPREGEN:
39: return 3;
40: case R_REGEN:
41: case R_SUSABILITY:
42: return 2;
43: case R_HEALTH:
44: return 1;
45: case R_SEARCH:
46: case R_SEEINVIS:
47: return (rnd(100) < 50); /* 0 or 1 */
48: case R_DIGEST:
49: if (cur_ring[hand]->o_ac >= 0)
50: return (-(cur_ring[hand]->o_ac)-1);
51: else
52: return (-(cur_ring[hand]->o_ac));
53: }
54: return 0;
55: }
56:
57: void
58: ring_on(struct linked_list *item)
59: {
60: register struct object *obj;
61: register int save_max;
62:
63: obj = OBJPTR(item);
64:
65: /*
66: * Calculate the effect it has on the poor guy.
67: */
68: switch (obj->o_which)
69: {
70: case R_ADDSTR:
71: save_max = max_stats.s_str;
72: chg_str(obj->o_ac);
73: max_stats.s_str = save_max;
74: when R_ADDHIT:
75: pstats.s_dext += obj->o_ac;
76: when R_ADDINTEL:
77: pstats.s_intel += obj->o_ac;
78: when R_ADDWISDOM:
79: pstats.s_wisdom += obj->o_ac;
80: when R_SEEINVIS:
81: if (on(player, CANSEE)) msg("Your eyes sparkle.");
82: else msg("Your eyes begin to tingle.");
83: turn_on(player, CANSEE);
84: light(&hero);
85: mvwaddch(cw, hero.y, hero.x, PLAYER);
86: when R_AGGR:
87: aggravate(TRUE, TRUE); /* all charactors are affected*/
88: when R_WARMTH:
89: if (on(player, NOCOLD)) msg("You feel warm all over.");
90: else msg("You begin to feel warm.");
91: turn_on(player, NOCOLD);
92: when R_FIRE:
93: if (on(player, NOFIRE)) msg("You feel quite fire proof now.");
94: else msg("You begin to feel fire proof.");
95: turn_on(player, NOFIRE);
96: when R_LIGHT: {
97: if(roomin(&hero) != NULL) {
98: light(&hero);
99: mvwaddch(cw, hero.y, hero.x, PLAYER);
100: }
101: }
102: when R_SEARCH:
103: start_daemon(ring_search, NULL, AFTER);
104: when R_TELEPORT:
105: start_daemon(ring_teleport, NULL, AFTER);
106: }
107: status(FALSE);
108: if (r_know[obj->o_which] && r_guess[obj->o_which]) {
109: free(r_guess[obj->o_which]);
110: r_guess[obj->o_which] = NULL;
111: }
112: else if (!r_know[obj->o_which] &&
113: askme &&
114: (obj->o_flags & ISKNOW) == 0 &&
115: r_guess[obj->o_which] == NULL) {
116: nameitem(item, FALSE);
117: }
118: }
119:
120: /*
121: * print ring bonuses
122: */
123:
124: char *
125: ring_num(struct object *obj)
126: {
127: static char buf[5];
128:
129: if (!(obj->o_flags & ISKNOW))
130: return "";
131: switch (obj->o_which)
132: {
133: case R_PROTECT:
134: case R_ADDSTR:
135: case R_ADDDAM:
136: case R_ADDHIT:
137: case R_ADDINTEL:
138: case R_ADDWISDOM:
139: case R_DIGEST:
140: buf[0] = ' ';
141: strcpy(&buf[1], num(obj->o_ac, 0));
142: when R_AGGR:
143: case R_LIGHT:
144: case R_CARRY:
145: case R_TELEPORT:
146: if (obj->o_flags & ISCURSED)
147: return " cursed";
148: else
149: return "";
150: otherwise:
151: return "";
152: }
153: return buf;
154: }
155:
156: /*
157: * Return the effect of the specified ring
158: */
159:
160: int
161: ring_value(int type)
162: {
163: int result = 0;
164:
165: if (ISRING(LEFT_1, type)) result += cur_ring[LEFT_1]->o_ac;
166: if (ISRING(LEFT_2, type)) result += cur_ring[LEFT_2]->o_ac;
167: if (ISRING(LEFT_3, type)) result += cur_ring[LEFT_3]->o_ac;
168: if (ISRING(LEFT_4, type)) result += cur_ring[LEFT_4]->o_ac;
169: if (ISRING(RIGHT_1, type)) result += cur_ring[RIGHT_1]->o_ac;
170: if (ISRING(RIGHT_2, type)) result += cur_ring[RIGHT_2]->o_ac;
171: if (ISRING(RIGHT_3, type)) result += cur_ring[RIGHT_3]->o_ac;
172: if (ISRING(RIGHT_4, type)) result += cur_ring[RIGHT_4]->o_ac;
173: return(result);
174: }
175: