1 /* $OpenBSD: hack.makemon.c,v 1.4 2001/08/06 22:59:13 pjanzen Exp $ */ 2 3 /* 4 * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. 5 */ 6 7 #ifndef lint 8 static char rcsid[] = "$OpenBSD: hack.makemon.c,v 1.4 2001/08/06 22:59:13 pjanzen Exp $"; 9 #endif /* not lint */ 10 11 #include "hack.h" 12 extern char fut_geno[]; 13 extern struct obj *mkobj_at(); 14 struct monst zeromonst; 15 16 /* 17 * called with [x,y] = coordinates; 18 * [0,0] means anyplace 19 * [u.ux,u.uy] means: call mnexto (if !in_mklev) 20 * 21 * In case we make an Orc or killer bee, we make an entire horde (swarm); 22 * note that in this case we return only one of them (the one at [x,y]). 23 */ 24 struct monst * 25 makemon(ptr,x,y) 26 register struct permonst *ptr; 27 { 28 register struct monst *mtmp; 29 register tmp, ct; 30 boolean anything = (!ptr); 31 extern boolean in_mklev; 32 33 if(x != 0 || y != 0) if(m_at(x,y)) return((struct monst *) 0); 34 if(ptr){ 35 if(strchr(fut_geno, ptr->mlet)) return((struct monst *) 0); 36 } else { 37 ct = CMNUM - strlen(fut_geno); 38 if(strchr(fut_geno, 'm')) ct++; /* make only 1 minotaur */ 39 if(strchr(fut_geno, '@')) ct++; 40 if(ct <= 0) return(0); /* no more monsters! */ 41 tmp = rn2(ct*dlevel/24 + 7); 42 if(tmp < dlevel - 4) tmp = rn2(ct*dlevel/24 + 12); 43 if(tmp >= ct) tmp = rn1(ct - ct/2, ct/2); 44 for(ct = 0; ct < CMNUM; ct++){ 45 ptr = &mons[ct]; 46 if(strchr(fut_geno, ptr->mlet)) 47 continue; 48 if(!tmp--) goto gotmon; 49 } 50 panic("makemon?"); 51 } 52 gotmon: 53 mtmp = newmonst(ptr->pxlth); 54 *mtmp = zeromonst; /* clear all entries in structure */ 55 for(ct = 0; ct < ptr->pxlth; ct++) 56 ((char *) &(mtmp->mextra[0]))[ct] = 0; 57 mtmp->nmon = fmon; 58 fmon = mtmp; 59 mtmp->m_id = flags.ident++; 60 mtmp->data = ptr; 61 mtmp->mxlth = ptr->pxlth; 62 if(ptr->mlet == 'D') mtmp->mhpmax = mtmp->mhp = 80; 63 else if(!ptr->mlevel) mtmp->mhpmax = mtmp->mhp = rnd(4); 64 else mtmp->mhpmax = mtmp->mhp = d(ptr->mlevel, 8); 65 mtmp->mx = x; 66 mtmp->my = y; 67 mtmp->mcansee = 1; 68 if(ptr->mlet == 'M'){ 69 mtmp->mimic = 1; 70 mtmp->mappearance = ']'; 71 } 72 if(!in_mklev) { 73 if(x == u.ux && y == u.uy && ptr->mlet != ' ') 74 mnexto(mtmp); 75 if(x == 0 && y == 0) 76 rloc(mtmp); 77 } 78 if(ptr->mlet == 's' || ptr->mlet == 'S') { 79 mtmp->mhide = mtmp->mundetected = 1; 80 if(in_mklev) 81 if(mtmp->mx && mtmp->my) 82 (void) mkobj_at(0, mtmp->mx, mtmp->my); 83 } 84 if(ptr->mlet == ':') { 85 mtmp->cham = 1; 86 (void) newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]); 87 } 88 if(ptr->mlet == 'I' || ptr->mlet == ';') 89 mtmp->minvis = 1; 90 if(ptr->mlet == 'L' || ptr->mlet == 'N' 91 || (in_mklev && strchr("&w;", ptr->mlet) && rn2(5)) 92 ) mtmp->msleep = 1; 93 94 #ifndef NOWORM 95 if(ptr->mlet == 'w' && getwn(mtmp)) 96 initworm(mtmp); 97 #endif /* NOWORM */ 98 99 if(anything) if(ptr->mlet == 'O' || ptr->mlet == 'k') { 100 coord enexto(); 101 coord mm; 102 register int cnt = rnd(10); 103 mm.x = x; 104 mm.y = y; 105 while(cnt--) { 106 mm = enexto(mm.x, mm.y); 107 (void) makemon(ptr, mm.x, mm.y); 108 } 109 } 110 111 return(mtmp); 112 } 113 114 coord 115 enexto(xx,yy) 116 register xchar xx,yy; 117 { 118 register xchar x,y; 119 coord foo[15], *tfoo; 120 int range; 121 122 tfoo = foo; 123 range = 1; 124 do { /* full kludge action. */ 125 for(x = xx-range; x <= xx+range; x++) 126 if(goodpos(x, yy-range)) { 127 tfoo->x = x; 128 tfoo++->y = yy-range; 129 if(tfoo == &foo[15]) goto foofull; 130 } 131 for(x = xx-range; x <= xx+range; x++) 132 if(goodpos(x,yy+range)) { 133 tfoo->x = x; 134 tfoo++->y = yy+range; 135 if(tfoo == &foo[15]) goto foofull; 136 } 137 for(y = yy+1-range; y < yy+range; y++) 138 if(goodpos(xx-range,y)) { 139 tfoo->x = xx-range; 140 tfoo++->y = y; 141 if(tfoo == &foo[15]) goto foofull; 142 } 143 for(y = yy+1-range; y < yy+range; y++) 144 if(goodpos(xx+range,y)) { 145 tfoo->x = xx+range; 146 tfoo++->y = y; 147 if(tfoo == &foo[15]) goto foofull; 148 } 149 range++; 150 } while(tfoo == foo); 151 foofull: 152 return( foo[rn2(tfoo-foo)] ); 153 } 154 155 goodpos(x,y) /* used only in mnexto and rloc */ 156 { 157 return( 158 ! (x < 1 || x > COLNO-2 || y < 1 || y > ROWNO-2 || 159 m_at(x,y) || !ACCESSIBLE(levl[x][y].typ) 160 || (x == u.ux && y == u.uy) 161 || sobj_at(ENORMOUS_ROCK, x, y) 162 )); 163 } 164 165 rloc(mtmp) 166 struct monst *mtmp; 167 { 168 register tx,ty; 169 register char ch = mtmp->data->mlet; 170 171 #ifndef NOWORM 172 if(ch == 'w' && mtmp->mx) return; /* do not relocate worms */ 173 #endif /* NOWORM */ 174 do { 175 tx = rn1(COLNO-3,2); 176 ty = rn2(ROWNO); 177 } while(!goodpos(tx,ty)); 178 mtmp->mx = tx; 179 mtmp->my = ty; 180 if(u.ustuck == mtmp){ 181 if(u.uswallow) { 182 u.ux = tx; 183 u.uy = ty; 184 docrt(); 185 } else u.ustuck = 0; 186 } 187 pmon(mtmp); 188 } 189 190 struct monst * 191 mkmon_at(let,x,y) 192 char let; 193 register int x,y; 194 { 195 register int ct; 196 register struct permonst *ptr; 197 198 for(ct = 0; ct < CMNUM; ct++) { 199 ptr = &mons[ct]; 200 if(ptr->mlet == let) 201 return(makemon(ptr,x,y)); 202 } 203 return(0); 204 } 205