1 /* $NetBSD: hack.mkobj.c,v 1.9 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 #include <sys/cdefs.h> 65 #ifndef lint 66 __RCSID("$NetBSD: hack.mkobj.c,v 1.9 2011/08/07 06:03:45 dholland Exp $"); 67 #endif /* not lint */ 68 69 #include "hack.h" 70 #include "extern.h" 71 72 static const char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%"; 73 74 struct obj * 75 mkobj_at(int let, int x, int y) 76 { 77 struct obj *otmp = mkobj(let); 78 otmp->ox = x; 79 otmp->oy = y; 80 otmp->nobj = fobj; 81 fobj = otmp; 82 return (otmp); 83 } 84 85 void 86 mksobj_at(int otyp, int x, int y) 87 { 88 struct obj *otmp = mksobj(otyp); 89 otmp->ox = x; 90 otmp->oy = y; 91 otmp->nobj = fobj; 92 fobj = otmp; 93 } 94 95 struct obj * 96 mkobj(int let) 97 { 98 if (!let) 99 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)]; 100 return ( 101 mksobj( 102 letter(let) ? 103 CORPSE + ((let > 'Z') ? (let - 'a' + 'Z' - '@' + 1) : (let - '@')) 104 : probtype(let) 105 ) 106 ); 107 } 108 109 110 struct obj zeroobj; 111 112 struct obj * 113 mksobj(int otyp) 114 { 115 struct obj *otmp; 116 char let = objects[otyp].oc_olet; 117 118 otmp = newobj(0); 119 *otmp = zeroobj; 120 otmp->age = moves; 121 otmp->o_id = flags.ident++; 122 otmp->quan = 1; 123 otmp->olet = let; 124 otmp->otyp = otyp; 125 otmp->dknown = strchr("/=!?*", let) ? 0 : 1; 126 switch (let) { 127 case WEAPON_SYM: 128 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6, 6) : 1; 129 if (!rn2(11)) 130 otmp->spe = rnd(3); 131 else if (!rn2(10)) { 132 otmp->cursed = 1; 133 otmp->spe = -rnd(3); 134 } 135 break; 136 case FOOD_SYM: 137 if (otmp->otyp >= CORPSE) 138 break; 139 #ifdef NOT_YET_IMPLEMENTED 140 /* if tins are to be identified, need to adapt doname() etc */ 141 if (otmp->otyp == TIN) 142 otmp->spe = rnd(...); 143 #endif /* NOT_YET_IMPLEMENTED */ 144 /* FALLTHROUGH */ 145 case GEM_SYM: 146 otmp->quan = rn2(6) ? 1 : 2; 147 break; 148 case TOOL_SYM: 149 case CHAIN_SYM: 150 case BALL_SYM: 151 case ROCK_SYM: 152 case POTION_SYM: 153 case SCROLL_SYM: 154 case AMULET_SYM: 155 break; 156 case ARMOR_SYM: 157 if (!rn2(8)) 158 otmp->cursed = 1; 159 if (!rn2(10)) 160 otmp->spe = rnd(3); 161 else if (!rn2(9)) { 162 otmp->spe = -rnd(3); 163 otmp->cursed = 1; 164 } 165 break; 166 case WAND_SYM: 167 if (otmp->otyp == WAN_WISHING) 168 otmp->spe = 3; 169 else 170 otmp->spe = rn1(5, 171 (objects[otmp->otyp].bits & NODIR) ? 11 : 4); 172 break; 173 case RING_SYM: 174 if (objects[otmp->otyp].bits & SPEC) { 175 if (!rn2(3)) { 176 otmp->cursed = 1; 177 otmp->spe = -rnd(2); 178 } else 179 otmp->spe = rnd(2); 180 } else if (otmp->otyp == RIN_TELEPORTATION || 181 otmp->otyp == RIN_AGGRAVATE_MONSTER || 182 otmp->otyp == RIN_HUNGER || !rn2(9)) 183 otmp->cursed = 1; 184 break; 185 default: 186 panic("impossible mkobj"); 187 } 188 otmp->owt = weight(otmp); 189 return (otmp); 190 } 191 192 int 193 letter(int c) 194 { 195 return (('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z')); 196 } 197 198 int 199 weight(struct obj *obj) 200 { 201 int wt = objects[obj->otyp].oc_weight; 202 return (wt ? wt * obj->quan : (obj->quan + 1) / 2); 203 } 204 205 void 206 mkgold(long num, int x, int y) 207 { 208 struct gold *gold; 209 long amount = (num ? num : 1 + (rnd(dlevel + 2) * rnd(30))); 210 211 if ((gold = g_at(x, y)) != NULL) 212 gold->amount += amount; 213 else { 214 gold = newgold(); 215 gold->ngold = fgold; 216 gold->gx = x; 217 gold->gy = y; 218 gold->amount = amount; 219 fgold = gold; 220 /* do sth with display? */ 221 } 222 } 223