From 77e3814f0c0e3dea4d0032e25666f77e6f83bfff Mon Sep 17 00:00:00 2001
From: cgd <cgd@NetBSD.org>
Date: Sun, 21 Mar 1993 09:45:37 +0000
Subject: initial import of 386bsd-0.1 sources

---
 hack/hack.mkmaze.c | 136 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 hack/hack.mkmaze.c

(limited to 'hack/hack.mkmaze.c')

diff --git a/hack/hack.mkmaze.c b/hack/hack.mkmaze.c
new file mode 100644
index 00000000..bee24f95
--- /dev/null
+++ b/hack/hack.mkmaze.c
@@ -0,0 +1,136 @@
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.mkmaze.c - version 1.0.2 */
+
+#include "hack.h"
+#include "def.mkroom.h"		/* not really used */
+extern struct monst *makemon();
+extern struct permonst pm_wizard;
+extern struct obj *mkobj_at();
+extern coord mazexy();
+struct permonst hell_hound =
+	{ "hell hound", 'd', 12, 14, 2, 3, 6, 0 };
+
+makemaz()
+{
+	int x,y;
+	register zx,zy;
+	coord mm;
+	boolean al = (dlevel >= 30 && !flags.made_amulet);
+
+	for(x = 2; x < COLNO-1; x++)
+		for(y = 2; y < ROWNO-1; y++)
+			levl[x][y].typ = (x%2 && y%2) ? 0 : HWALL;
+	if(al) {
+	    register struct monst *mtmp;
+
+	    zx = 2*(COLNO/4) - 1;
+	    zy = 2*(ROWNO/4) - 1;
+	    for(x = zx-2; x < zx+4; x++) for(y = zy-2; y <= zy+2; y++) {
+		levl[x][y].typ =
+		    (y == zy-2 || y == zy+2 || x == zx-2 || x == zx+3) ? POOL :
+		    (y == zy-1 || y == zy+1 || x == zx-1 || x == zx+2) ? HWALL:
+		    ROOM;
+	    }
+	    (void) mkobj_at(AMULET_SYM, zx, zy);
+	    flags.made_amulet = 1;
+	    walkfrom(zx+4, zy);
+	    if(mtmp = makemon(&hell_hound, zx, zy))
+		mtmp->msleep = 1;
+	    if(mtmp = makemon(PM_WIZARD, zx+1, zy)) {
+		mtmp->msleep = 1;
+		flags.no_of_wizards = 1;
+	    }
+	} else {
+	    mm = mazexy();
+	    zx = mm.x;
+	    zy = mm.y;
+	    walkfrom(zx,zy);
+	    (void) mksobj_at(WAN_WISHING, zx, zy);
+	    (void) mkobj_at(ROCK_SYM, zx, zy);	/* put a rock on top of it */
+	}
+
+	for(x = 2; x < COLNO-1; x++)
+		for(y = 2; y < ROWNO-1; y++) {
+			switch(levl[x][y].typ) {
+			case HWALL:
+				levl[x][y].scrsym = '-';
+				break;
+			case ROOM:
+				levl[x][y].scrsym = '.';
+				break;
+			}
+		}
+	for(x = rn1(8,11); x; x--) {
+		mm = mazexy();
+		(void) mkobj_at(rn2(2) ? GEM_SYM : 0, mm.x, mm.y);
+	}
+	for(x = rn1(10,2); x; x--) {
+		mm = mazexy();
+		(void) mkobj_at(ROCK_SYM, mm.x, mm.y);
+	}
+	mm = mazexy();
+	(void) makemon(PM_MINOTAUR, mm.x, mm.y);
+	for(x = rn1(5,7); x; x--) {
+		mm = mazexy();
+		(void) makemon((struct permonst *) 0, mm.x, mm.y);
+	}
+	for(x = rn1(6,7); x; x--) {
+		mm = mazexy();
+		mkgold(0L,mm.x,mm.y);
+	}
+	for(x = rn1(6,7); x; x--)
+		mktrap(0,1,(struct mkroom *) 0);
+	mm = mazexy();
+	levl[(xupstair = mm.x)][(yupstair = mm.y)].scrsym = '<';
+	levl[xupstair][yupstair].typ = STAIRS;
+	xdnstair = ydnstair = 0;
+}
+
+walkfrom(x,y) int x,y; {
+register int q,a,dir;
+int dirs[4];
+	levl[x][y].typ = ROOM;
+	while(1) {
+		q = 0;
+		for(a = 0; a < 4; a++)
+			if(okay(x,y,a)) dirs[q++]= a;
+		if(!q) return;
+		dir = dirs[rn2(q)];
+		move(&x,&y,dir);
+		levl[x][y].typ = ROOM;
+		move(&x,&y,dir);
+		walkfrom(x,y);
+	}
+}
+
+move(x,y,dir)
+register int *x, *y;
+register int dir;
+{
+	switch(dir){
+		case 0: --(*y); break;
+		case 1: (*x)++; break;
+		case 2: (*y)++; break;
+		case 3: --(*x); break;
+	}
+}
+
+okay(x,y,dir)
+int x,y;
+register int dir;
+{
+	move(&x,&y,dir);
+	move(&x,&y,dir);
+	if(x<3 || y<3 || x>COLNO-3 || y>ROWNO-3 || levl[x][y].typ != 0)
+		return(0);
+	else
+		return(1);
+}
+
+coord
+mazexy(){
+	coord mm;
+	mm.x = 3 + 2*rn2(COLNO/2 - 2);
+	mm.y = 3 + 2*rn2(ROWNO/2 - 2);
+	return mm;
+}
-- 
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