1 /* $NetBSD: hack.wizard.c,v 1.6 2003/04/02 18:36:41 jsm Exp $ */ 2 3 /* 4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica, 5 * Amsterdam 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * - Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * - Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * - Neither the name of the Stichting Centrum voor Wiskunde en 20 * Informatica, nor the names of its contributors may be used to endorse or 21 * promote products derived from this software without specific prior 22 * written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 /* 38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org> 39 * All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. The name of the author may not be used to endorse or promote products 50 * derived from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 */ 63 64 #include <sys/cdefs.h> 65 #ifndef lint 66 __RCSID("$NetBSD: hack.wizard.c,v 1.6 2003/04/02 18:36:41 jsm Exp $"); 67 #endif /* not lint */ 68 69 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */ 70 71 #include "hack.h" 72 #include "extern.h" 73 74 #define WIZSHOT 6 /* one chance in WIZSHOT that wizard will try 75 * magic */ 76 #define BOLT_LIM 8 /* from this distance D and 1 will try to hit 77 * you */ 78 79 const char wizapp[] = "@DNPTUVXcemntx"; 80 81 /* If he has found the Amulet, make the wizard appear after some time */ 82 void 83 amulet() 84 { 85 struct obj *otmp; 86 struct monst *mtmp; 87 88 if (!flags.made_amulet || !flags.no_of_wizards) 89 return; 90 /* find wizard, and wake him if necessary */ 91 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) 92 if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40)) 93 for (otmp = invent; otmp; otmp = otmp->nobj) 94 if (otmp->olet == AMULET_SYM && !otmp->spe) { 95 mtmp->msleep = 0; 96 if (dist(mtmp->mx, mtmp->my) > 2) 97 pline( 98 "You get the creepy feeling that somebody noticed your taking the Amulet." 99 ); 100 return; 101 } 102 } 103 104 int 105 wiz_hit(mtmp) 106 struct monst *mtmp; 107 { 108 /* if we have stolen or found the amulet, we disappear */ 109 if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM && 110 mtmp->minvent->spe == 0) { 111 /* vanish -- very primitive */ 112 fall_down(mtmp); 113 return (1); 114 } 115 /* if it is lying around someplace, we teleport to it */ 116 if (!carrying(AMULET_OF_YENDOR)) { 117 struct obj *otmp; 118 119 for (otmp = fobj; otmp; otmp = otmp->nobj) 120 if (otmp->olet == AMULET_SYM && !otmp->spe) { 121 if ((u.ux != otmp->ox || u.uy != otmp->oy) && 122 !m_at(otmp->ox, otmp->oy)) { 123 124 /* teleport to it and pick it up */ 125 mtmp->mx = otmp->ox; 126 mtmp->my = otmp->oy; 127 freeobj(otmp); 128 mpickobj(mtmp, otmp); 129 pmon(mtmp); 130 return (0); 131 } 132 goto hithim; 133 } 134 return (0); /* we don't know where it is */ 135 } 136 hithim: 137 if (rn2(2)) { /* hit - perhaps steal */ 138 139 /* 140 * if hit 1/20 chance of stealing amulet & vanish - amulet is 141 * on level 26 again. 142 */ 143 if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd)) 144 && !rn2(20) && stealamulet(mtmp)); 145 } else 146 inrange(mtmp); /* try magic */ 147 return (0); 148 } 149 150 void 151 inrange(mtmp) 152 struct monst *mtmp; 153 { 154 schar tx, ty; 155 156 /* do nothing if cancelled (but make '1' say something) */ 157 if (mtmp->data->mlet != '1' && mtmp->mcan) 158 return; 159 160 /* spit fire only when both in a room or both in a corridor */ 161 if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my)) 162 return; 163 tx = u.ux - mtmp->mx; 164 ty = u.uy - mtmp->my; 165 if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM) 166 || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) { 167 switch (mtmp->data->mlet) { 168 case 'D': 169 /* spit fire in the direction of @ (not nec. hitting) */ 170 buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty)); 171 break; 172 case '1': 173 if (rn2(WIZSHOT)) 174 break; 175 /* 176 * if you zapped wizard with wand of cancellation, he 177 * has to shake off the effects before he can throw 178 * spells successfully. 1/2 the time they fail 179 * anyway 180 */ 181 if (mtmp->mcan || rn2(2)) { 182 if (canseemon(mtmp)) 183 pline("%s makes a gesture, then curses.", 184 Monnam(mtmp)); 185 else 186 pline("You hear mumbled cursing."); 187 if (!rn2(3)) { 188 mtmp->mspeed = 0; 189 mtmp->minvis = 0; 190 } 191 if (!rn2(3)) 192 mtmp->mcan = 0; 193 } else { 194 if (canseemon(mtmp)) { 195 if (!rn2(6) && !Invis) { 196 pline("%s hypnotizes you.", Monnam(mtmp)); 197 nomul(rn2(3) + 3); 198 break; 199 } else 200 pline("%s chants an incantation.", 201 Monnam(mtmp)); 202 } else 203 pline("You hear a mumbled incantation."); 204 switch (rn2(Invis ? 5 : 6)) { 205 case 0: 206 /* 207 * create a nasty monster from a deep 208 * level 209 */ 210 /* 211 * (for the moment, 'nasty' is not 212 * implemented) 213 */ 214 (void) makemon((struct permonst *) 0, u.ux, u.uy); 215 break; 216 case 1: 217 pline("\"Destroy the thief, my pets!\""); 218 aggravate(); /* aggravate all the 219 * monsters */ 220 /* fall into next case */ 221 case 2: 222 if (flags.no_of_wizards == 1 && rnd(5) == 0) 223 /* 224 * if only 1 wizard, clone 225 * himself 226 */ 227 clonewiz(mtmp); 228 break; 229 case 3: 230 if (mtmp->mspeed == MSLOW) 231 mtmp->mspeed = 0; 232 else 233 mtmp->mspeed = MFAST; 234 break; 235 case 4: 236 mtmp->minvis = 1; 237 break; 238 case 5: 239 /* Only if not Invisible */ 240 pline("You hear a clap of thunder!"); 241 /* 242 * shoot a bolt of fire or cold, or a 243 * sleep ray 244 */ 245 buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty)); 246 break; 247 } 248 } 249 } 250 if (u.uhp < 1) 251 done_in_by(mtmp); 252 } 253 } 254 255 void 256 aggravate() 257 { 258 struct monst *mtmp; 259 260 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) { 261 mtmp->msleep = 0; 262 if (mtmp->mfroz && !rn2(5)) 263 mtmp->mfroz = 0; 264 } 265 } 266 267 void 268 clonewiz(mtmp) 269 struct monst *mtmp; 270 { 271 struct monst *mtmp2; 272 273 if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) { 274 flags.no_of_wizards = 2; 275 unpmon(mtmp2); 276 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)]; 277 pmon(mtmp); 278 } 279 } 280