shithub: choc

Info  •  Files  •  Log  •  Branches

Remove duplicate SlopeDiv function.

Subversion-branch: /branches/raven-branch
Subversion-revision: 1320

--- a/src/hexen/r_main.c

+++ b/src/hexen/r_main.c

@@ -203,26 +203,7 @@

 ===============================================================================

 */

-// to get a global angle from cartesian coordinates, the coordinates are

-// flipped until they are in the first octant of the coordinate system, then

-// the y (<=x) is scaled and divided by x to get a tangent (slope) value

-// which is looked up in the tantoangle[] table.  The +1 size is to handle

-// the case when x==y without additional checking.

-#define	SLOPERANGE	2048

-#define	SLOPEBITS	11

 #define	DBITS		(FRACBITS-SLOPEBITS)

-

-

-// int  tantoangle[SLOPERANGE+1];

-

-int SlopeDiv(unsigned num, unsigned den)

-{

-    unsigned ans;

-    if (den < 512)

-        return SLOPERANGE;

-    ans = (num << 3) / (den >> 8);

-    return ans <= SLOPERANGE ? ans : SLOPERANGE;

-}

 angle_t R_PointToAngle(fixed_t x, fixed_t y)

 {