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1.1 ! rubenllo 1: /*
! 2: * all sorts of miscellaneous routines
! 3: *
! 4: * @(#)misc.c 3.13 (Berkeley) 6/15/81
! 5: *
! 6: * Rogue: Exploring the Dungeons of Doom
! 7: * Copyright (C) 1980, 1981 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 "rogue.h"
! 15: #include <ctype.h>
! 16:
! 17: /*
! 18: * tr_name:
! 19: * print the name of a trap
! 20: */
! 21:
! 22: char *
! 23: tr_name(int ch)
! 24: {
! 25: char *s = "";
! 26:
! 27: switch (ch)
! 28: {
! 29: case TRAPDOOR:
! 30: s = terse ? "A trapdoor." : "You found a trapdoor.";
! 31: when BEARTRAP:
! 32: s = terse ? "A beartrap." : "You found a beartrap.";
! 33: when SLEEPTRAP:
! 34: s = terse ? "A sleeping gas trap.":"You found a sleeping gas trap.";
! 35: when ARROWTRAP:
! 36: s = terse ? "An arrow trap." : "You found an arrow trap.";
! 37: when TELTRAP:
! 38: s = terse ? "A teleport trap." : "You found a teleport trap.";
! 39: when DARTTRAP:
! 40: s = terse ? "A dart trap." : "You found a poison dart trap.";
! 41: }
! 42: return s;
! 43: }
! 44:
! 45: /*
! 46: * Look:
! 47: * A quick glance all around the player
! 48: */
! 49:
! 50: void
! 51: look(int wakeup)
! 52: {
! 53: int x, y;
! 54: int ch;
! 55: int oldx, oldy;
! 56: int inpass;
! 57: int passcount = 0;
! 58: struct room *rp;
! 59: int ey, ex;
! 60:
! 61: getyx(cw, oldy, oldx);
! 62: if (oldrp != NULL && (oldrp->r_flags & ISDARK) && off(player, ISBLIND))
! 63: {
! 64: for (x = oldpos.x - 1; x <= oldpos.x + 1; x++)
! 65: for (y = oldpos.y - 1; y <= oldpos.y + 1; y++)
! 66: if ((y != hero.y || x != hero.x) && show(y, x) == FLOOR)
! 67: mvwaddch(cw, y, x, ' ');
! 68: }
! 69: inpass = ((rp = roomin(&hero)) == NULL);
! 70: ey = hero.y + 1;
! 71: ex = hero.x + 1;
! 72: for (x = hero.x - 1; x <= ex; x++)
! 73: if (x >= 0 && x < COLS) for (y = hero.y - 1; y <= ey; y++)
! 74: {
! 75: if (y <= 0 || y >= LINES - 1)
! 76: continue;
! 77: if (isupper(mvwinch(mw, y, x)))
! 78: {
! 79: struct linked_list *it;
! 80: struct thing *tp;
! 81:
! 82: if (wakeup)
! 83: it = wake_monster(y, x);
! 84: else
! 85: it = find_mons(y, x);
! 86: tp = (struct thing *) ldata(it);
! 87: if ((tp->t_oldch = mvinch(y, x)) == TRAP)
! 88: tp->t_oldch =
! 89: (trap_at(y,x)->tr_flags&ISFOUND) ? TRAP : FLOOR;
! 90: if (tp->t_oldch == FLOOR && (rp != NULL) && (rp->r_flags & ISDARK)
! 91: && off(player, ISBLIND))
! 92: tp->t_oldch = ' ';
! 93: }
! 94: /*
! 95: * Secret doors show as walls
! 96: */
! 97: if ((ch = show(y, x)) == SECRETDOOR)
! 98: ch = secretdoor(y, x);
! 99: /*
! 100: * Don't show room walls if he is in a passage
! 101: */
! 102: if (off(player, ISBLIND))
! 103: {
! 104: if (y == hero.y && x == hero.x
! 105: || (inpass && (ch == '-' || ch == '|')))
! 106: continue;
! 107: }
! 108: else if (y != hero.y || x != hero.x)
! 109: continue;
! 110: wmove(cw, y, x);
! 111: waddch(cw, ch);
! 112: if (door_stop && !firstmove && running)
! 113: {
! 114: switch (runch)
! 115: {
! 116: case 'h':
! 117: if (x == ex)
! 118: continue;
! 119: when 'j':
! 120: if (y == hero.y - 1)
! 121: continue;
! 122: when 'k':
! 123: if (y == ey)
! 124: continue;
! 125: when 'l':
! 126: if (x == hero.x - 1)
! 127: continue;
! 128: when 'y':
! 129: if ((x + y) - (hero.x + hero.y) >= 1)
! 130: continue;
! 131: when 'u':
! 132: if ((y - x) - (hero.y - hero.x) >= 1)
! 133: continue;
! 134: when 'n':
! 135: if ((x + y) - (hero.x + hero.y) <= -1)
! 136: continue;
! 137: when 'b':
! 138: if ((y - x) - (hero.y - hero.x) <= -1)
! 139: continue;
! 140: }
! 141: switch (ch)
! 142: {
! 143: case DOOR:
! 144: if (x == hero.x || y == hero.y)
! 145: running = FALSE;
! 146: break;
! 147: case PASSAGE:
! 148: if (x == hero.x || y == hero.y)
! 149: passcount++;
! 150: break;
! 151: case FLOOR:
! 152: case '|':
! 153: case '-':
! 154: case ' ':
! 155: break;
! 156: default:
! 157: running = FALSE;
! 158: break;
! 159: }
! 160: }
! 161: }
! 162: if (door_stop && !firstmove && passcount > 1)
! 163: running = FALSE;
! 164: mvwaddch(cw, hero.y, hero.x, PLAYER);
! 165: wmove(cw, oldy, oldx);
! 166: oldpos = hero;
! 167: oldrp = rp;
! 168: }
! 169:
! 170: /*
! 171: * secret_door:
! 172: * Figure out what a secret door looks like.
! 173: */
! 174:
! 175: int
! 176: secretdoor(int y, int x)
! 177: {
! 178: int i;
! 179: struct room *rp;
! 180: coord *cpp;
! 181: static coord cp;
! 182:
! 183: cp.y = y;
! 184: cp.x = x;
! 185: cpp = &cp;
! 186: for (rp = rooms, i = 0; i < MAXROOMS; rp++, i++)
! 187: if (inroom(rp, cpp))
! 188: if (y == rp->r_pos.y || y == rp->r_pos.y + rp->r_max.y - 1)
! 189: return('-');
! 190: else
! 191: return('|');
! 192:
! 193: return('p');
! 194: }
! 195:
! 196: /*
! 197: * find_obj:
! 198: * find the unclaimed object at y, x
! 199: */
! 200:
! 201: struct linked_list *
! 202: find_obj(int y, int x)
! 203: {
! 204: struct linked_list *obj;
! 205: struct object *op;
! 206:
! 207: for (obj = lvl_obj; obj != NULL; obj = next(obj))
! 208: {
! 209: op = (struct object *) ldata(obj);
! 210: if (op->o_pos.y == y && op->o_pos.x == x)
! 211: return obj;
! 212: }
! 213: sprintf(prbuf, "Non-object %d,%d", y, x);
! 214: debug(prbuf);
! 215: return NULL;
! 216: }
! 217:
! 218: /*
! 219: * eat:
! 220: * She wants to eat something, so let her try
! 221: */
! 222:
! 223: void
! 224: eat()
! 225: {
! 226: struct linked_list *item;
! 227: struct object *obj;
! 228:
! 229: if ((item = get_item("eat", FOOD)) == NULL)
! 230: return;
! 231: obj = (struct object *) ldata(item);
! 232: if (obj->o_type != FOOD)
! 233: {
! 234: if (!terse)
! 235: msg("Ugh, you would get ill if you ate that.");
! 236: else
! 237: msg("That's Inedible!");
! 238: return;
! 239: }
! 240: inpack--;
! 241: if (obj->o_which == 1)
! 242: msg("My, that was a yummy %s", fruit);
! 243: else
! 244: if (rnd(100) > 70)
! 245: {
! 246: msg("Yuk, this food tastes awful");
! 247: pstats.s_exp++;
! 248: check_level();
! 249: }
! 250: else
! 251: msg("Yum, that tasted good");
! 252: if ((food_left += HUNGERTIME + rnd(400) - 200) > STOMACHSIZE)
! 253: food_left = STOMACHSIZE;
! 254: hungry_state = 0;
! 255: if (obj == cur_weapon)
! 256: cur_weapon = NULL;
! 257: if (--obj->o_count < 1)
! 258: {
! 259: detach(pack, item);
! 260: discard(item);
! 261: }
! 262: }
! 263:
! 264: /*
! 265: * Used to modify the playes strength
! 266: * it keeps track of the highest it has been, just in case
! 267: */
! 268:
! 269: void
! 270: chg_str(int amt)
! 271: {
! 272: if (amt == 0)
! 273: return;
! 274: if (amt > 0)
! 275: {
! 276: while (amt--)
! 277: {
! 278: if (pstats.s_str.st_str < 18)
! 279: pstats.s_str.st_str++;
! 280: else if (pstats.s_str.st_add == 0)
! 281: pstats.s_str.st_add = rnd(50) + 1;
! 282: else if (pstats.s_str.st_add <= 50)
! 283: pstats.s_str.st_add = 51 + rnd(24);
! 284: else if (pstats.s_str.st_add <= 75)
! 285: pstats.s_str.st_add = 76 + rnd(14);
! 286: else if (pstats.s_str.st_add <= 90)
! 287: pstats.s_str.st_add = 91;
! 288: else if (pstats.s_str.st_add < 100)
! 289: pstats.s_str.st_add++;
! 290: }
! 291: if (pstats.s_str.st_str > max_stats.s_str.st_str ||
! 292: (pstats.s_str.st_str == 18 &&
! 293: pstats.s_str.st_add > max_stats.s_str.st_add))
! 294: max_stats.s_str = pstats.s_str;
! 295: }
! 296: else
! 297: {
! 298: while (amt++)
! 299: {
! 300: if (pstats.s_str.st_str < 18 || pstats.s_str.st_add == 0)
! 301: pstats.s_str.st_str--;
! 302: else if (pstats.s_str.st_add < 51)
! 303: pstats.s_str.st_add = 0;
! 304: else if (pstats.s_str.st_add < 76)
! 305: pstats.s_str.st_add = 1 + rnd(50);
! 306: else if (pstats.s_str.st_add < 91)
! 307: pstats.s_str.st_add = 51 + rnd(25);
! 308: else if (pstats.s_str.st_add < 100)
! 309: pstats.s_str.st_add = 76 + rnd(14);
! 310: else
! 311: pstats.s_str.st_add = 91 + rnd(8);
! 312: }
! 313: if (pstats.s_str.st_str < 3)
! 314: pstats.s_str.st_str = 3;
! 315: }
! 316: }
! 317:
! 318: /*
! 319: * add_haste:
! 320: * add a haste to the player
! 321: */
! 322:
! 323: bool
! 324: add_haste(int potion)
! 325: {
! 326: if (on(player, ISHASTE))
! 327: {
! 328: msg("You faint from exhaustion.");
! 329: no_command += rnd(8);
! 330: player.t_flags &= ~ISHASTE;
! 331: extinguish(nohaste);
! 332: return FALSE;
! 333: }
! 334: else
! 335: {
! 336: player.t_flags |= ISHASTE;
! 337: if (potion)
! 338: fuse(nohaste, 0, rnd(4)+4, AFTER);
! 339: return TRUE;
! 340: }
! 341: }
! 342:
! 343: /*
! 344: * aggravate:
! 345: * aggravate all the monsters on this level
! 346: */
! 347:
! 348: void
! 349: aggravate()
! 350: {
! 351: struct linked_list *mi;
! 352:
! 353: for (mi = mlist; mi != NULL; mi = next(mi))
! 354: runto(&((struct thing *) ldata(mi))->t_pos, &hero);
! 355: }
! 356:
! 357: /*
! 358: * for printfs: if string starts with a vowel, return "n" for an "an"
! 359: */
! 360: char *
! 361: vowelstr(char *str)
! 362: {
! 363: switch (*str)
! 364: {
! 365: case 'a':
! 366: case 'e':
! 367: case 'i':
! 368: case 'o':
! 369: case 'u':
! 370: return "n";
! 371: default:
! 372: return "";
! 373: }
! 374: }
! 375:
! 376: /*
! 377: * see if the object is one of the currently used items
! 378: */
! 379: int
! 380: is_current(struct object *obj)
! 381: {
! 382: if (obj == NULL)
! 383: return FALSE;
! 384: if (obj == cur_armor || obj == cur_weapon || obj == cur_ring[LEFT]
! 385: || obj == cur_ring[RIGHT])
! 386: {
! 387: msg(terse ? "In use." : "That's already in use.");
! 388: return TRUE;
! 389: }
! 390: return FALSE;
! 391: }
! 392:
! 393: /*
! 394: * set up the direction co_ordinate for use in varios "prefix" commands
! 395: */
! 396: int
! 397: get_dir()
! 398: {
! 399: char *prompt;
! 400: int gotit;
! 401:
! 402: if (!terse)
! 403: msg(prompt = "Which direction? ");
! 404: else
! 405: prompt = "Direction: ";
! 406: do
! 407: {
! 408: gotit = TRUE;
! 409: switch (readchar(cw))
! 410: {
! 411: case 'h': case'H': delta.y = 0; delta.x = -1;
! 412: when 'j': case'J': delta.y = 1; delta.x = 0;
! 413: when 'k': case'K': delta.y = -1; delta.x = 0;
! 414: when 'l': case'L': delta.y = 0; delta.x = 1;
! 415: when 'y': case'Y': delta.y = -1; delta.x = -1;
! 416: when 'u': case'U': delta.y = -1; delta.x = 1;
! 417: when 'b': case'B': delta.y = 1; delta.x = -1;
! 418: when 'n': case'N': delta.y = 1; delta.x = 1;
! 419: when ESCAPE: return FALSE;
! 420: otherwise:
! 421: mpos = 0;
! 422: msg(prompt);
! 423: gotit = FALSE;
! 424: }
! 425: } until (gotit);
! 426: if (on(player, ISHUH) && rnd(100) > 80)
! 427: do
! 428: {
! 429: delta.y = rnd(3) - 1;
! 430: delta.x = rnd(3) - 1;
! 431: } while (delta.y == 0 && delta.x == 0);
! 432: mpos = 0;
! 433: return TRUE;
! 434: }