Wikia

Wikihack

Source:NetHack 1.3d/track.c

2,032pages on
this wiki
Talk0

Below is the full text to track.c from the source code of NetHack 1.3d. To link to a particular line, write [[NetHack 1.3d/track.c#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

Screenshots and source code from Hack are used under the CWI license.
1.    /*	SCCS Id: @(#)track.c	1.3	87/07/14
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* track.c - version 1.0.2 */
4.    
5.    #include "hack.h"
6.    
7.    #define	UTSZ	50
8.    
9.    coord utrack[UTSZ];
10.   int utcnt = 0;
11.   int utpnt = 0;
12.   
13.   initrack(){
14.   	utcnt = utpnt = 0;
15.   }
16.   
17.   /* add to track */
18.   settrack(){
19.   	if(utcnt < UTSZ) utcnt++;
20.   	if(utpnt == UTSZ) utpnt = 0;
21.   	utrack[utpnt].x = u.ux;
22.   	utrack[utpnt].y = u.uy;
23.   	utpnt++;
24.   }
25.   
26.   coord *
27.   gettrack(x,y) register x,y; {
28.   register int i,cnt,dist;
29.   coord tc;
30.   	cnt = utcnt;
31.   	for(i = utpnt-1; cnt--; i--){
32.   		if(i == -1) i = UTSZ-1;
33.   		tc = utrack[i];
34.   		dist = (x-tc.x)*(x-tc.x) + (y-tc.y)*(y-tc.y);
35.   		if(dist < 3)
36.   			return(dist ? &(utrack[i]) : 0);
37.   	}
38.   	return(0);
39.   }

Around Wikia's network

Random Wiki