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1.1 rubenllo 1: /*
2: * rings.c - routines dealing specifically with rings
3: * Advanced Rogue
4: * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
5: * All rights reserved.
6: *
7: * Based on "Rogue: Exploring the Dungeons of Doom"
8: * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
9: * All rights reserved.
10: *
11: * See the file LICENSE.TXT for full copyright and licensing information.
12: */
13:
14: #include <stdlib.h>
15: #include <string.h>
16: #include "curses.h"
17: #include "rogue.h"
18:
19: /*
20: * routines dealing specifically with rings
21: */
22:
23:
24: /*
25: * how much food does this ring use up?
26: */
27: int
28: ring_eat(int hand)
29: {
30: if (cur_ring[hand] == NULL)
31: return 0;
32: switch (cur_ring[hand]->o_which) {
33: case R_VAMPREGEN:
34: return 3;
35: case R_REGEN:
36: return 2;
37: case R_HEALTH:
38: case R_SUSABILITY:
39: return 1;
40: case R_SEARCH:
41: case R_SEEINVIS:
42: return (rnd(100) < 33);
43: case R_DIGEST:
44: if (cur_ring[hand]->o_ac >= 0)
45: return (-(cur_ring[hand]->o_ac)-1);
46: else
47: return (-(cur_ring[hand]->o_ac));
48: }
49: return 0;
50: }
51:
52: void
53: ring_on(struct linked_list *item)
54: {
55: register struct object *obj;
56: register int save_max;
57:
58: obj = OBJPTR(item);
59:
60: /*
61: * Calculate the effect it has on the poor guy.
62: */
63: switch (obj->o_which)
64: {
65: case R_ADDSTR:
66: save_max = max_stats.s_str;
67: chg_str(obj->o_ac);
68: max_stats.s_str = save_max;
69: when R_ADDHIT:
70: pstats.s_dext += obj->o_ac;
71: when R_ADDINTEL:
72: pstats.s_intel += obj->o_ac;
73: when R_ADDWISDOM:
74: pstats.s_wisdom += obj->o_ac;
75: when R_SEEINVIS:
76: turn_on(player, CANSEE);
77: msg("Your eyes begin to tingle");
78: light(&hero);
79: mvwaddch(cw, hero.y, hero.x, PLAYER);
80: when R_AGGR:
81: aggravate(TRUE, TRUE);
82: when R_WARMTH:
83: turn_on(player, NOCOLD);
84: when R_FIRE:
85: turn_on(player, NOFIRE);
86: when R_LIGHT: {
87: if(roomin(&hero) != NULL) {
88: light(&hero);
89: mvwaddch(cw, hero.y, hero.x, PLAYER);
90: }
91: }
92: when R_SEARCH:
93: start_daemon(ring_search, NULL, AFTER);
94: when R_TELEPORT:
95: start_daemon(ring_teleport, NULL, AFTER);
96: }
97: status(FALSE);
98: if (r_know[obj->o_which] && r_guess[obj->o_which])
99: {
100: free(r_guess[obj->o_which]);
101: r_guess[obj->o_which] = NULL;
102: }
103: else if (!r_know[obj->o_which] &&
104: askme &&
105: (obj->o_flags & ISKNOW) == 0 &&
106: r_guess[obj->o_which] == NULL) {
107: nameitem(item, FALSE);
108: }
109: }
110:
111: /*
112: * print ring bonuses
113: */
114: char *
115: ring_num(struct object *obj)
116: {
117: static char buf[5];
118:
119: if (!(obj->o_flags & ISKNOW))
120: return "";
121: switch (obj->o_which)
122: {
123: case R_PROTECT:
124: case R_ADDSTR:
125: case R_ADDDAM:
126: case R_ADDHIT:
127: case R_ADDINTEL:
128: case R_ADDWISDOM:
129: case R_DIGEST:
130: buf[0] = ' ';
131: strcpy(&buf[1], num(obj->o_ac, 0));
132: when R_AGGR:
133: case R_LIGHT:
134: case R_CARRY:
135: case R_TELEPORT:
136: if (obj->o_flags & ISCURSED)
137: return " cursed";
138: else
139: return "";
140: otherwise:
141: return "";
142: }
143: return buf;
144: }
145:
146: /*
147: * Return the effect of the specified ring
148: */
149: int
150: ring_value(int type)
151: {
152: int result = 0;
153:
154: if (ISRING(LEFT_1, type)) result += cur_ring[LEFT_1]->o_ac;
155: if (ISRING(LEFT_2, type)) result += cur_ring[LEFT_2]->o_ac;
156: if (ISRING(LEFT_3, type)) result += cur_ring[LEFT_3]->o_ac;
157: if (ISRING(LEFT_4, type)) result += cur_ring[LEFT_4]->o_ac;
158: if (ISRING(RIGHT_1, type)) result += cur_ring[RIGHT_1]->o_ac;
159: if (ISRING(RIGHT_2, type)) result += cur_ring[RIGHT_2]->o_ac;
160: if (ISRING(RIGHT_3, type)) result += cur_ring[RIGHT_3]->o_ac;
161: if (ISRING(RIGHT_4, type)) result += cur_ring[RIGHT_4]->o_ac;
162: return(result);
163: }