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1.1 ! rubenllo 1: /*
! 2: * Read a scroll and let it happen
! 3: *
! 4: * @(#)scrolls.c 4.44 (Berkeley) 02/05/99
! 5: *
! 6: * Rogue: Exploring the Dungeons of Doom
! 7: * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman
! 8: * All rights reserved.
! 9: *
! 10: * See the file LICENSE.TXT for full copyright and licensing information.
! 11: */
! 12:
! 13: #include <curses.h>
! 14: #include <ctype.h>
! 15: #include "rogue.h"
! 16:
! 17: /*
! 18: * read_scroll:
! 19: * Read a scroll from the pack and do the appropriate thing
! 20: */
! 21:
! 22: void
! 23: read_scroll(void)
! 24: {
! 25: THING *obj;
! 26: PLACE *pp;
! 27: int y, x;
! 28: int ch;
! 29: int i;
! 30: int discardit = FALSE;
! 31: struct room *cur_room;
! 32: THING *orig_obj;
! 33: coord mp;
! 34:
! 35: obj = get_item("read", SCROLL);
! 36: if (obj == NULL)
! 37: return;
! 38: if (obj->o_type != SCROLL)
! 39: {
! 40: if (!terse)
! 41: msg("there is nothing on it to read");
! 42: else
! 43: msg("nothing to read");
! 44: return;
! 45: }
! 46: /*
! 47: * Calculate the effect it has on the poor guy.
! 48: */
! 49: if (obj == cur_weapon)
! 50: cur_weapon = NULL;
! 51: /*
! 52: * Get rid of the thing
! 53: */
! 54: discardit = (obj->o_count == 1);
! 55: leave_pack(obj, FALSE, FALSE);
! 56: orig_obj = obj;
! 57:
! 58: switch (obj->o_which)
! 59: {
! 60: case S_CONFUSE:
! 61: /*
! 62: * Scroll of monster confusion. Give him that power.
! 63: */
! 64: player.t_flags |= CANHUH;
! 65: msg("your hands begin to glow %s", pick_color("red"));
! 66: when S_ARMOR:
! 67: if (cur_armor != NULL)
! 68: {
! 69: cur_armor->o_arm--;
! 70: cur_armor->o_flags &= ~ISCURSED;
! 71: msg("your armor glows %s for a moment", pick_color("silver"));
! 72: }
! 73: when S_HOLD:
! 74: /*
! 75: * Hold monster scroll. Stop all monsters within two spaces
! 76: * from chasing after the hero.
! 77: */
! 78:
! 79: ch = 0;
! 80: for (x = hero.x - 2; x <= hero.x + 2; x++)
! 81: if (x >= 0 && x < NUMCOLS)
! 82: for (y = hero.y - 2; y <= hero.y + 2; y++)
! 83: if (y >= 0 && y <= NUMLINES - 1)
! 84: if ((obj = moat(y, x)) != NULL && on(*obj, ISRUN))
! 85: {
! 86: obj->t_flags &= ~ISRUN;
! 87: obj->t_flags |= ISHELD;
! 88: ch++;
! 89: }
! 90: if (ch)
! 91: {
! 92: addmsg("the monster");
! 93: if (ch > 1)
! 94: addmsg("s around you");
! 95: addmsg(" freeze");
! 96: if (ch == 1)
! 97: addmsg("s");
! 98: endmsg();
! 99: scr_info[S_HOLD].oi_know = TRUE;
! 100: }
! 101: else
! 102: msg("you feel a strange sense of loss");
! 103: when S_SLEEP:
! 104: /*
! 105: * Scroll which makes you fall asleep
! 106: */
! 107: scr_info[S_SLEEP].oi_know = TRUE;
! 108: no_command += rnd(SLEEPTIME) + 4;
! 109: player.t_flags &= ~ISRUN;
! 110: msg("you fall asleep");
! 111: when S_CREATE:
! 112: /*
! 113: * Create a monster:
! 114: * First look in a circle around him, next try his room
! 115: * otherwise give up
! 116: */
! 117: i = 0;
! 118: for (y = hero.y - 1; y <= hero.y + 1; y++)
! 119: for (x = hero.x - 1; x <= hero.x + 1; x++)
! 120: /*
! 121: * Don't put a monster in top of the player.
! 122: */
! 123: if (y == hero.y && x == hero.x)
! 124: continue;
! 125: /*
! 126: * Or anything else nasty
! 127: * Also avoid a xeroc which is disguised as scroll
! 128: */
! 129: else if (moat(y, x) == NULL && step_ok(ch = winat(y, x)))
! 130: {
! 131: if (ch == SCROLL
! 132: && find_obj(y, x)->o_which == S_SCARE)
! 133: continue;
! 134: else if (rnd(++i) == 0)
! 135: {
! 136: mp.y = y;
! 137: mp.x = x;
! 138: }
! 139: }
! 140: if (i == 0)
! 141: msg("you hear a faint cry of anguish in the distance");
! 142: else
! 143: {
! 144: obj = new_item();
! 145: new_monster(obj, randmonster(FALSE), &mp);
! 146: }
! 147: when S_ID_POTION:
! 148: case S_ID_SCROLL:
! 149: case S_ID_WEAPON:
! 150: case S_ID_ARMOR:
! 151: case S_ID_R_OR_S:
! 152: {
! 153: int id_type[S_ID_R_OR_S + 1] =
! 154: { 0, 0, 0, 0, 0, POTION, SCROLL, WEAPON, ARMOR, R_OR_S };
! 155: /*
! 156: * Identify, let him figure something out
! 157: */
! 158: scr_info[obj->o_which].oi_know = TRUE;
! 159: msg("this scroll is an %s scroll", scr_info[obj->o_which].oi_name);
! 160: whatis(TRUE, id_type[obj->o_which]);
! 161: }
! 162: when S_MAP:
! 163: /*
! 164: * Scroll of magic mapping.
! 165: */
! 166: scr_info[S_MAP].oi_know = TRUE;
! 167: msg("oh, now this scroll has a map on it");
! 168: /*
! 169: * take all the things we want to keep hidden out of the window
! 170: */
! 171: for (y = 1; y < NUMLINES - 1; y++)
! 172: for (x = 0; x < NUMCOLS; x++)
! 173: {
! 174: pp = INDEX(y, x);
! 175: switch (ch = pp->p_ch)
! 176: {
! 177: case DOOR:
! 178: case STAIRS:
! 179: break;
! 180:
! 181: case '-':
! 182: case '|':
! 183: if (!(pp->p_flags & F_REAL))
! 184: {
! 185: ch = pp->p_ch = DOOR;
! 186: pp->p_flags |= F_REAL;
! 187: }
! 188: break;
! 189:
! 190: case ' ':
! 191: if (pp->p_flags & F_REAL)
! 192: goto def;
! 193: pp->p_flags |= F_REAL;
! 194: ch = pp->p_ch = PASSAGE;
! 195: /* FALLTHROUGH */
! 196:
! 197: case PASSAGE:
! 198: pass:
! 199: if (!(pp->p_flags & F_REAL))
! 200: pp->p_ch = PASSAGE;
! 201: pp->p_flags |= (F_SEEN|F_REAL);
! 202: ch = PASSAGE;
! 203: break;
! 204:
! 205: case FLOOR:
! 206: if (pp->p_flags & F_REAL)
! 207: ch = ' ';
! 208: else
! 209: {
! 210: ch = TRAP;
! 211: pp->p_ch = TRAP;
! 212: pp->p_flags |= (F_SEEN|F_REAL);
! 213: }
! 214: break;
! 215:
! 216: default:
! 217: def:
! 218: if (pp->p_flags & F_PASS)
! 219: goto pass;
! 220: ch = ' ';
! 221: break;
! 222: }
! 223: if (ch != ' ')
! 224: {
! 225: if ((obj = pp->p_monst) != NULL)
! 226: obj->t_oldch = ch;
! 227: if (obj == NULL || !on(player, SEEMONST))
! 228: mvaddch(y, x, ch);
! 229: }
! 230: }
! 231: when S_FDET:
! 232: /*
! 233: * Potion of gold detection
! 234: */
! 235: ch = FALSE;
! 236: wclear(hw);
! 237: for (obj = lvl_obj; obj != NULL; obj = next(obj))
! 238: if (obj->o_type == FOOD)
! 239: {
! 240: ch = TRUE;
! 241: wmove(hw, obj->o_pos.y, obj->o_pos.x);
! 242: waddch(hw, FOOD);
! 243: }
! 244: if (ch)
! 245: {
! 246: scr_info[S_FDET].oi_know = TRUE;
! 247: show_win("Your nose tingles and you smell food.--More--");
! 248: }
! 249: else
! 250: msg("your nose tingles");
! 251: when S_TELEP:
! 252: /*
! 253: * Scroll of teleportation:
! 254: * Make him dissapear and reappear
! 255: */
! 256: {
! 257: cur_room = proom;
! 258: teleport();
! 259: if (cur_room != proom)
! 260: scr_info[S_TELEP].oi_know = TRUE;
! 261: }
! 262: when S_ENCH:
! 263: if (cur_weapon == NULL || cur_weapon->o_type != WEAPON)
! 264: msg("you feel a strange sense of loss");
! 265: else
! 266: {
! 267: cur_weapon->o_flags &= ~ISCURSED;
! 268: if (rnd(2) == 0)
! 269: cur_weapon->o_hplus++;
! 270: else
! 271: cur_weapon->o_dplus++;
! 272: msg("your %s glows %s for a moment",
! 273: weap_info[cur_weapon->o_which].oi_name, pick_color("blue"));
! 274: }
! 275: when S_SCARE:
! 276: /*
! 277: * Reading it is a mistake and produces laughter at her
! 278: * poor boo boo.
! 279: */
! 280: msg("you hear maniacal laughter in the distance");
! 281: when S_REMOVE:
! 282: uncurse(cur_armor);
! 283: uncurse(cur_weapon);
! 284: uncurse(cur_ring[LEFT]);
! 285: uncurse(cur_ring[RIGHT]);
! 286: msg(choose_str("you feel in touch with the Universal Onenes",
! 287: "you feel as if somebody is watching over you"));
! 288: when S_AGGR:
! 289: /*
! 290: * This scroll aggravates all the monsters on the current
! 291: * level and sets them running towards the hero
! 292: */
! 293: aggravate();
! 294: msg("you hear a high pitched humming noise");
! 295: when S_PROTECT:
! 296: if (cur_armor != NULL)
! 297: {
! 298: cur_armor->o_flags |= ISPROT;
! 299: msg("your armor is covered by a shimmering %s shield",
! 300: pick_color("gold"));
! 301: }
! 302: else
! 303: msg("you feel a strange sense of loss");
! 304: #ifdef MASTER
! 305: otherwise:
! 306: msg("what a puzzling scroll!");
! 307: return;
! 308: #endif
! 309: }
! 310: obj = orig_obj;
! 311: look(TRUE); /* put the result of the scroll on the screen */
! 312: status();
! 313:
! 314: call_it(&scr_info[obj->o_which]);
! 315:
! 316: if (discardit)
! 317: discard(obj);
! 318: }
! 319:
! 320: /*
! 321: * uncurse:
! 322: * Uncurse an item
! 323: */
! 324:
! 325: void
! 326: uncurse(THING *obj)
! 327: {
! 328: if (obj != NULL)
! 329: obj->o_flags &= ~ISCURSED;
! 330: }