1 /* $NetBSD: hack.wizard.c,v 1.10 2011/08/07 06:03:45 dholland 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 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */ 65 66 #include "hack.h" 67 #include "extern.h" 68 69 #define WIZSHOT 6 /* one chance in WIZSHOT that wizard will try 70 * magic */ 71 #define BOLT_LIM 8 /* from this distance D and 1 will try to hit 72 * you */ 73 74 static const char wizapp[] = "@DNPTUVXcemntx"; 75 76 static void aggravate(void); 77 static void clonewiz(struct monst *); 78 79 80 /* If he has found the Amulet, make the wizard appear after some time */ 81 void 82 amulet(void) 83 { 84 struct obj *otmp; 85 struct monst *mtmp; 86 87 if (!flags.made_amulet || !flags.no_of_wizards) 88 return; 89 /* find wizard, and wake him if necessary */ 90 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) 91 if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40)) 92 for (otmp = invent; otmp; otmp = otmp->nobj) 93 if (otmp->olet == AMULET_SYM && !otmp->spe) { 94 mtmp->msleep = 0; 95 if (dist(mtmp->mx, mtmp->my) > 2) 96 pline( 97 "You get the creepy feeling that somebody noticed your taking the Amulet." 98 ); 99 return; 100 } 101 } 102 103 int 104 wiz_hit(struct monst *mtmp) 105 { 106 /* if we have stolen or found the amulet, we disappear */ 107 if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM && 108 mtmp->minvent->spe == 0) { 109 /* vanish -- very primitive */ 110 fall_down(mtmp); 111 return (1); 112 } 113 /* if it is lying around someplace, we teleport to it */ 114 if (!carrying(AMULET_OF_YENDOR)) { 115 struct obj *otmp; 116 117 for (otmp = fobj; otmp; otmp = otmp->nobj) 118 if (otmp->olet == AMULET_SYM && !otmp->spe) { 119 if ((u.ux != otmp->ox || u.uy != otmp->oy) && 120 !m_at(otmp->ox, otmp->oy)) { 121 122 /* teleport to it and pick it up */ 123 mtmp->mx = otmp->ox; 124 mtmp->my = otmp->oy; 125 freeobj(otmp); 126 mpickobj(mtmp, otmp); 127 pmon(mtmp); 128 return (0); 129 } 130 goto hithim; 131 } 132 return (0); /* we don't know where it is */ 133 } 134 hithim: 135 if (rn2(2)) { /* hit - perhaps steal */ 136 137 /* 138 * if hit 1/20 chance of stealing amulet & vanish - amulet is 139 * on level 26 again. 140 */ 141 if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd)) 142 && !rn2(20) && stealamulet(mtmp)) { 143 /* nothing */ 144 } 145 } else 146 inrange(mtmp); /* try magic */ 147 return (0); 148 } 149 150 void 151 inrange(struct monst *mtmp) 152 { 153 schar tx, ty; 154 155 /* do nothing if cancelled (but make '1' say something) */ 156 if (mtmp->data->mlet != '1' && mtmp->mcan) 157 return; 158 159 /* spit fire only when both in a room or both in a corridor */ 160 if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my)) 161 return; 162 tx = u.ux - mtmp->mx; 163 ty = u.uy - mtmp->my; 164 if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM) 165 || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) { 166 switch (mtmp->data->mlet) { 167 case 'D': 168 /* spit fire in the direction of @ (not nec. hitting) */ 169 buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty)); 170 break; 171 case '1': 172 if (rn2(WIZSHOT)) 173 break; 174 /* 175 * if you zapped wizard with wand of cancellation, he 176 * has to shake off the effects before he can throw 177 * spells successfully. 1/2 the time they fail 178 * anyway 179 */ 180 if (mtmp->mcan || rn2(2)) { 181 if (canseemon(mtmp)) 182 pline("%s makes a gesture, then curses.", 183 Monnam(mtmp)); 184 else 185 pline("You hear mumbled cursing."); 186 if (!rn2(3)) { 187 mtmp->mspeed = 0; 188 mtmp->minvis = 0; 189 } 190 if (!rn2(3)) 191 mtmp->mcan = 0; 192 } else { 193 if (canseemon(mtmp)) { 194 if (!rn2(6) && !Invis) { 195 pline("%s hypnotizes you.", Monnam(mtmp)); 196 nomul(rn2(3) + 3); 197 break; 198 } else 199 pline("%s chants an incantation.", 200 Monnam(mtmp)); 201 } else 202 pline("You hear a mumbled incantation."); 203 switch (rn2(Invis ? 5 : 6)) { 204 case 0: 205 /* 206 * create a nasty monster from a deep 207 * level 208 */ 209 /* 210 * (for the moment, 'nasty' is not 211 * implemented) 212 */ 213 (void) makemon((struct permonst *) 0, u.ux, u.uy); 214 break; 215 case 1: 216 pline("\"Destroy the thief, my pets!\""); 217 aggravate(); /* aggravate all the 218 * monsters */ 219 /* FALLTHROUGH */ 220 case 2: 221 if (flags.no_of_wizards == 1 && rnd(5) == 0) 222 /* 223 * if only 1 wizard, clone 224 * himself 225 */ 226 clonewiz(mtmp); 227 break; 228 case 3: 229 if (mtmp->mspeed == MSLOW) 230 mtmp->mspeed = 0; 231 else 232 mtmp->mspeed = MFAST; 233 break; 234 case 4: 235 mtmp->minvis = 1; 236 break; 237 case 5: 238 /* Only if not Invisible */ 239 pline("You hear a clap of thunder!"); 240 /* 241 * shoot a bolt of fire or cold, or a 242 * sleep ray 243 */ 244 buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty)); 245 break; 246 } 247 } 248 } 249 if (u.uhp < 1) 250 done_in_by(mtmp); 251 } 252 } 253 254 void 255 aggravate(void) 256 { 257 struct monst *mtmp; 258 259 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) { 260 mtmp->msleep = 0; 261 if (mtmp->mfroz && !rn2(5)) 262 mtmp->mfroz = 0; 263 } 264 } 265 266 void 267 clonewiz(struct monst *mtmp) 268 { 269 struct monst *mtmp2; 270 271 if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) { 272 flags.no_of_wizards = 2; 273 unpmon(mtmp2); 274 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)]; 275 pmon(mtmp); 276 } 277 } 278