1 /* $OpenBSD: hack.wizard.c,v 1.7 2016/01/09 18:33:15 mestre 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 <stdlib.h> 67 68 #include "hack.h" 69 70 extern struct permonst pm_wizard; 71 72 static void clonewiz(struct monst *); 73 74 #define WIZSHOT 6 /* one chance in WIZSHOT that wizard will try magic */ 75 #define BOLT_LIM 8 /* from this distance D and 1 will try to hit you */ 76 77 char wizapp[] = "@DNPTUVXcemntx"; 78 79 /* If he has found the Amulet, make the wizard appear after some time */ 80 void 81 amulet(void) 82 { 83 struct obj *otmp; 84 struct monst *mtmp; 85 86 if(!flags.made_amulet || !flags.no_of_wizards) 87 return; 88 /* find wizard, and wake him if necessary */ 89 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) 90 if(mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40)) 91 for(otmp = invent; otmp; otmp = otmp->nobj) 92 if(otmp->olet == AMULET_SYM && !otmp->spe) { 93 mtmp->msleep = 0; 94 if(dist(mtmp->mx,mtmp->my) > 2) 95 pline( 96 "You get the creepy feeling that somebody noticed your taking the Amulet." 97 ); 98 return; 99 } 100 } 101 102 int 103 wiz_hit(struct monst *mtmp) 104 { 105 /* if we have stolen or found the amulet, we disappear */ 106 if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM && 107 mtmp->minvent->spe == 0) { 108 /* vanish -- very primitive */ 109 fall_down(mtmp); 110 return(1); 111 } 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 /* if hit 1/20 chance of stealing amulet & vanish 138 - amulet is on level 26 again. */ 139 if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd)) 140 && !rn2(20) && stealamulet(mtmp)) 141 ; 142 } 143 else 144 inrange(mtmp); /* try magic */ 145 return(0); 146 } 147 148 void 149 inrange(struct monst *mtmp) 150 { 151 schar tx,ty; 152 153 /* do nothing if cancelled (but make '1' say something) */ 154 if(mtmp->data->mlet != '1' && mtmp->mcan) 155 return; 156 157 /* spit fire only when both in a room or both in a corridor */ 158 if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return; 159 tx = u.ux - mtmp->mx; 160 ty = u.uy - mtmp->my; 161 if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM) 162 || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){ 163 switch(mtmp->data->mlet) { 164 case 'D': 165 /* spit fire in the direction of @ (not nec. hitting) */ 166 buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty)); 167 break; 168 case '1': 169 if(rn2(WIZSHOT)) break; 170 /* if you zapped wizard with wand of cancellation, 171 he has to shake off the effects before he can throw 172 spells successfully. 1/2 the time they fail anyway */ 173 if(mtmp->mcan || rn2(2)) { 174 if(canseemon(mtmp)) 175 pline("%s makes a gesture, then curses.", 176 Monnam(mtmp)); 177 else 178 pline("You hear mumbled cursing."); 179 if(!rn2(3)) { 180 mtmp->mspeed = 0; 181 mtmp->minvis = 0; 182 } 183 if(!rn2(3)) 184 mtmp->mcan = 0; 185 } else { 186 if(canseemon(mtmp)){ 187 if(!rn2(6) && !Invis) { 188 pline("%s hypnotizes you.", Monnam(mtmp)); 189 nomul(rn2(3) + 3); 190 break; 191 } else 192 pline("%s chants an incantation.", 193 Monnam(mtmp)); 194 } else 195 pline("You hear a mumbled incantation."); 196 switch(rn2(Invis ? 5 : 6)) { 197 case 0: 198 /* create a nasty monster from a deep level */ 199 /* (for the moment, 'nasty' is not implemented) */ 200 (void) makemon((struct permonst *)0, u.ux, u.uy); 201 break; 202 case 1: 203 pline("\"Destroy the thief, my pets!\""); 204 aggravate(); /* aggravate all the monsters */ 205 /* fall into next case */ 206 case 2: 207 if (flags.no_of_wizards == 1 && rnd(5) == 0) 208 /* if only 1 wizard, clone himself */ 209 clonewiz(mtmp); 210 break; 211 case 3: 212 if(mtmp->mspeed == MSLOW) 213 mtmp->mspeed = 0; 214 else 215 mtmp->mspeed = MFAST; 216 break; 217 case 4: 218 mtmp->minvis = 1; 219 break; 220 case 5: 221 /* Only if not Invisible */ 222 pline("You hear a clap of thunder!"); 223 /* shoot a bolt of fire or cold, or a sleep ray */ 224 buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty)); 225 break; 226 } 227 } 228 } 229 if(u.uhp < 1) done_in_by(mtmp); 230 } 231 } 232 233 void 234 aggravate(void) 235 { 236 struct monst *mtmp; 237 238 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) { 239 mtmp->msleep = 0; 240 if(mtmp->mfroz && !rn2(5)) 241 mtmp->mfroz = 0; 242 } 243 } 244 245 static void 246 clonewiz(struct monst *mtmp) 247 { 248 struct monst *mtmp2; 249 250 if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my))) { 251 flags.no_of_wizards = 2; 252 unpmon(mtmp2); 253 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)]; 254 pmon(mtmp); 255 } 256 } 257