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 "hack.h" 65 #include "extern.h" 66 67 static const char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%"; 68 69 struct obj * 70 mkobj_at(int let, int x, int y) 71 { 72 struct obj *otmp = mkobj(let); 73 otmp->ox = x; 74 otmp->oy = y; 75 otmp->nobj = fobj; 76 fobj = otmp; 77 return (otmp); 78 } 79 80 void 81 mksobj_at(int otyp, int x, int y) 82 { 83 struct obj *otmp = mksobj(otyp); 84 otmp->ox = x; 85 otmp->oy = y; 86 otmp->nobj = fobj; 87 fobj = otmp; 88 } 89 90 struct obj * 91 mkobj(int let) 92 { 93 if (!let) 94 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)]; 95 return ( 96 mksobj( 97 letter(let) ? 98 CORPSE + ((let > 'Z') ? (let - 'a' + 'Z' - '@' + 1) : (let - '@')) 99 : probtype(let) 100 ) 101 ); 102 } 103 104 105 struct obj zeroobj; 106 107 struct obj * 108 mksobj(int otyp) 109 { 110 struct obj *otmp; 111 char let = objects[otyp].oc_olet; 112 113 otmp = newobj(0); 114 *otmp = zeroobj; 115 otmp->age = moves; 116 otmp->o_id = flags.ident++; 117 otmp->quan = 1; 118 otmp->olet = let; 119 otmp->otyp = otyp; 120 otmp->dknown = strchr("/=!?*", let) ? 0 : 1; 121 switch (let) { 122 case WEAPON_SYM: 123 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6, 6) : 1; 124 if (!rn2(11)) 125 otmp->spe = rnd(3); 126 else if (!rn2(10)) { 127 otmp->cursed = 1; 128 otmp->spe = -rnd(3); 129 } 130 break; 131 case FOOD_SYM: 132 if (otmp->otyp >= CORPSE) 133 break; 134 #ifdef NOT_YET_IMPLEMENTED 135 /* if tins are to be identified, need to adapt doname() etc */ 136 if (otmp->otyp == TIN) 137 otmp->spe = rnd(...); 138 #endif /* NOT_YET_IMPLEMENTED */ 139 /* FALLTHROUGH */ 140 case GEM_SYM: 141 otmp->quan = rn2(6) ? 1 : 2; 142 break; 143 case TOOL_SYM: 144 case CHAIN_SYM: 145 case BALL_SYM: 146 case ROCK_SYM: 147 case POTION_SYM: 148 case SCROLL_SYM: 149 case AMULET_SYM: 150 break; 151 case ARMOR_SYM: 152 if (!rn2(8)) 153 otmp->cursed = 1; 154 if (!rn2(10)) 155 otmp->spe = rnd(3); 156 else if (!rn2(9)) { 157 otmp->spe = -rnd(3); 158 otmp->cursed = 1; 159 } 160 break; 161 case WAND_SYM: 162 if (otmp->otyp == WAN_WISHING) 163 otmp->spe = 3; 164 else 165 otmp->spe = rn1(5, 166 (objects[otmp->otyp].bits & NODIR) ? 11 : 4); 167 break; 168 case RING_SYM: 169 if (objects[otmp->otyp].bits & SPEC) { 170 if (!rn2(3)) { 171 otmp->cursed = 1; 172 otmp->spe = -rnd(2); 173 } else 174 otmp->spe = rnd(2); 175 } else if (otmp->otyp == RIN_TELEPORTATION || 176 otmp->otyp == RIN_AGGRAVATE_MONSTER || 177 otmp->otyp == RIN_HUNGER || !rn2(9)) 178 otmp->cursed = 1; 179 break; 180 default: 181 panic("impossible mkobj"); 182 } 183 otmp->owt = weight(otmp); 184 return (otmp); 185 } 186 187 int 188 letter(int c) 189 { 190 return (('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z')); 191 } 192 193 int 194 weight(struct obj *obj) 195 { 196 int wt = objects[obj->otyp].oc_weight; 197 return (wt ? wt * obj->quan : (obj->quan + 1) / 2); 198 } 199 200 void 201 mkgold(long num, int x, int y) 202 { 203 struct gold *gold; 204 long amount = (num ? num : 1 + (rnd(dlevel + 2) * rnd(30))); 205 206 if ((gold = g_at(x, y)) != NULL) 207 gold->amount += amount; 208 else { 209 gold = newgold(); 210 gold->ngold = fgold; 211 gold->gx = x; 212 gold->gy = y; 213 gold->amount = amount; 214 fgold = gold; 215 /* do sth with display? */ 216 } 217 } 218