2.11BSD#431 - /usr/src/games/rogue/ring.c

   1: /*
   2:  * ring.c
   3:  *
   4:  * This source herein may be modified and/or distributed by anybody who
   5:  * so desires, with the following restrictions:
   6:  *    1.)  No portion of this notice shall be removed.
   7:  *    2.)  Credit shall not be taken for the creation of this source.
   8:  *    3.)  This code is not to be traded, sold, or used for personal
   9:  *         gain or profit.
  10:  *
  11:  */
  12: 
  13: #ifndef lint
  14: static char sccsid[] = "@(#)ring.c	5.1 (Berkeley) 11/25/87";
  15: #endif /* not lint */
  16: 
  17: #include "rogue.h"
  18: 
  19: char *left_or_right = "left or right hand?";
  20: char *no_ring = "there's no ring on that hand";
  21: short stealthy;
  22: short r_rings;
  23: short add_strength;
  24: short e_rings;
  25: short regeneration;
  26: short ring_exp;
  27: short auto_search;
  28: boolean r_teleport;
  29: boolean r_see_invisible;
  30: boolean sustain_strength;
  31: boolean maintain_armor;
  32: 
  33: extern char *curse_message;
  34: extern boolean wizard;
  35: 
  36: put_on_ring()
  37: {
  38:     short ch;
  39:     char desc[DCOLS];
  40:     object *ring;
  41: 
  42:     if (r_rings == 2) {
  43:         message("wearing two rings already", 0);
  44:         return;
  45:     }
  46:     if ((ch = pack_letter("put on what?", RING)) == CANCEL) {
  47:         return;
  48:     }
  49:     if (!(ring = get_letter_object(ch))) {
  50:         message("no such item.", 0);
  51:         return;
  52:     }
  53:     if (!(ring->what_is & RING)) {
  54:         message("that's not a ring", 0);
  55:         return;
  56:     }
  57:     if (ring->in_use_flags & (ON_LEFT_HAND | ON_RIGHT_HAND)) {
  58:         message("that ring is already being worn", 0);
  59:         return;
  60:     }
  61:     if (r_rings == 1) {
  62:         ch = (rogue.left_ring ? 'r' : 'l');
  63:     } else {
  64:         message(left_or_right, 0);
  65:         do {
  66:             ch = rgetchar();
  67:         } while ((ch != CANCEL) && (ch != 'l') && (ch != 'r') && (ch != '\n') &&
  68:                 (ch != '\r'));
  69:     }
  70:     if ((ch != 'l') && (ch != 'r')) {
  71:         check_message();
  72:         return;
  73:     }
  74:     if (((ch == 'l') && rogue.left_ring)||((ch == 'r') && rogue.right_ring)) {
  75:         check_message();
  76:         message("there's already a ring on that hand", 0);
  77:         return;
  78:     }
  79:     if (ch == 'l') {
  80:         do_put_on(ring, 1);
  81:     } else {
  82:         do_put_on(ring, 0);
  83:     }
  84:     ring_stats(1);
  85:     check_message();
  86:     get_desc(ring, desc);
  87:     message(desc, 0);
  88:     (void) reg_move();
  89: }
  90: 
  91: /*
  92:  * Do not call ring_stats() from within do_put_on().  It will cause
  93:  * serious problems when do_put_on() is called from read_pack() in restore().
  94:  */
  95: 
  96: do_put_on(ring, on_left)
  97: object *ring;
  98: boolean on_left;
  99: {
 100:     if (on_left) {
 101:         ring->in_use_flags |= ON_LEFT_HAND;
 102:         rogue.left_ring = ring;
 103:     } else {
 104:         ring->in_use_flags |= ON_RIGHT_HAND;
 105:         rogue.right_ring = ring;
 106:     }
 107: }
 108: 
 109: remove_ring()
 110: {
 111:     boolean left = 0, right = 0;
 112:     short ch;
 113:     char buf[DCOLS];
 114:     object *ring;
 115: 
 116:     if (r_rings == 0) {
 117:         inv_rings();
 118:     } else if (rogue.left_ring && !rogue.right_ring) {
 119:         left = 1;
 120:     } else if (!rogue.left_ring && rogue.right_ring) {
 121:         right = 1;
 122:     } else {
 123:         message(left_or_right, 0);
 124:         do {
 125:             ch = rgetchar();
 126:         } while ((ch != CANCEL) && (ch != 'l') && (ch != 'r') &&
 127:             (ch != '\n') && (ch != '\r'));
 128:         left = (ch == 'l');
 129:         right = (ch == 'r');
 130:         check_message();
 131:     }
 132:     if (left || right) {
 133:         if (left) {
 134:             if (rogue.left_ring) {
 135:                 ring = rogue.left_ring;
 136:             } else {
 137:                 message(no_ring, 0);
 138:             }
 139:         } else {
 140:             if (rogue.right_ring) {
 141:                 ring = rogue.right_ring;
 142:             } else {
 143:                 message(no_ring, 0);
 144:             }
 145:         }
 146:         if (ring->is_cursed) {
 147:             message(curse_message, 0);
 148:         } else {
 149:             un_put_on(ring);
 150:             (void) strcpy(buf, "removed ");
 151:             get_desc(ring, buf + 8);
 152:             message(buf, 0);
 153:             (void) reg_move();
 154:         }
 155:     }
 156: }
 157: 
 158: un_put_on(ring)
 159: object *ring;
 160: {
 161:     if (ring && (ring->in_use_flags & ON_LEFT_HAND)) {
 162:         ring->in_use_flags &= (~ON_LEFT_HAND);
 163:         rogue.left_ring = 0;
 164:     } else if (ring && (ring->in_use_flags & ON_RIGHT_HAND)) {
 165:         ring->in_use_flags &= (~ON_RIGHT_HAND);
 166:         rogue.right_ring = 0;
 167:     }
 168:     ring_stats(1);
 169: }
 170: 
 171: gr_ring(ring, assign_wk)
 172: object *ring;
 173: boolean assign_wk;
 174: {
 175:     ring->what_is = RING;
 176:     if (assign_wk) {
 177:         ring->which_kind = get_rand(0, (RINGS - 1));
 178:     }
 179:     ring->class = 0;
 180: 
 181:     switch(ring->which_kind) {
 182:     /*
 183: 	case STEALTH:
 184: 		break;
 185: 	case SLOW_DIGEST:
 186: 		break;
 187: 	case REGENERATION:
 188: 		break;
 189: 	case R_SEE_INVISIBLE:
 190: 		break;
 191: 	case SUSTAIN_STRENGTH:
 192: 		break;
 193: 	case R_MAINTAIN_ARMOR:
 194: 		break;
 195: 	case SEARCHING:
 196: 		break;
 197: 	*/
 198:     case R_TELEPORT:
 199:         ring->is_cursed = 1;
 200:         break;
 201:     case ADD_STRENGTH:
 202:     case DEXTERITY:
 203:         while ((ring->class = (get_rand(0, 4) - 2)) == 0) ;
 204:         ring->is_cursed = (ring->class < 0);
 205:         break;
 206:     case ADORNMENT:
 207:         ring->is_cursed = coin_toss();
 208:         break;
 209:     }
 210: }
 211: 
 212: inv_rings()
 213: {
 214:     char buf[DCOLS];
 215: 
 216:     if (r_rings == 0) {
 217:         message("not wearing any rings", 0);
 218:     } else {
 219:         if (rogue.left_ring) {
 220:             get_desc(rogue.left_ring, buf);
 221:             message(buf, 0);
 222:         }
 223:         if (rogue.right_ring) {
 224:             get_desc(rogue.right_ring, buf);
 225:             message(buf, 0);
 226:         }
 227:     }
 228:     if (wizard) {
 229:         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",
 230:             stealthy, r_rings, e_rings, r_teleport, sustain_strength,
 231:             add_strength, regeneration, ring_exp, r_see_invisible,
 232:             maintain_armor, auto_search);
 233:         message(buf, 0);
 234:     }
 235: }
 236: 
 237: ring_stats(pr)
 238: boolean pr;
 239: {
 240:     short i;
 241:     object *ring;
 242: 
 243:     stealthy = 0;
 244:     r_rings = 0;
 245:     e_rings = 0;
 246:     r_teleport = 0;
 247:     sustain_strength = 0;
 248:     add_strength = 0;
 249:     regeneration = 0;
 250:     ring_exp = 0;
 251:     r_see_invisible = 0;
 252:     maintain_armor = 0;
 253:     auto_search = 0;
 254: 
 255:     for (i = 0; i < 2; i++) {
 256:         if (!(ring = ((i == 0) ? rogue.left_ring : rogue.right_ring))) {
 257:             continue;
 258:         }
 259:         r_rings++;
 260:         e_rings++;
 261:         switch(ring->which_kind) {
 262:         case STEALTH:
 263:             stealthy++;
 264:             break;
 265:         case R_TELEPORT:
 266:             r_teleport = 1;
 267:             break;
 268:         case REGENERATION:
 269:             regeneration++;
 270:             break;
 271:         case SLOW_DIGEST:
 272:             e_rings -= 2;
 273:             break;
 274:         case ADD_STRENGTH:
 275:             add_strength += ring->class;
 276:             break;
 277:         case SUSTAIN_STRENGTH:
 278:             sustain_strength = 1;
 279:             break;
 280:         case DEXTERITY:
 281:             ring_exp += ring->class;
 282:             break;
 283:         case ADORNMENT:
 284:             break;
 285:         case R_SEE_INVISIBLE:
 286:             r_see_invisible = 1;
 287:             break;
 288:         case MAINTAIN_ARMOR:
 289:             maintain_armor = 1;
 290:             break;
 291:         case SEARCHING:
 292:             auto_search += 2;
 293:             break;
 294:         }
 295:     }
 296:     if (pr) {
 297:         print_stats(STAT_STRENGTH);
 298:         relight();
 299:     }
 300: }

Defined functions

Defined variables