shithub: qk1

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D_DrawZSpans: remove stuff that doesn't seem to do anything

--- a/d_scan.c

+++ b/d_scan.c

@@ -280,12 +280,10 @@

 void

 D_DrawZSpans(espan_t *pspan)

 {

-	int			count, spancount, izi, izistep;

+	int			count, izi, izistep;

 	uzint		*pz;

 	float		zi;

-	float		zistepu;

-	zistepu = dvars.zistepu * 16;

 	izistep = dvars.zistepu * 0x8000 * 0x10000;

 	do{

@@ -292,17 +290,10 @@

 		pz = dvars.zbuffer + pspan->v*dvars.width + pspan->u;

 		zi = dvars.ziorigin + pspan->v*dvars.zistepv + pspan->u*dvars.zistepu;

 		count = pspan->count;

-

+		izi = (int)(zi * 0x8000 * 0x10000);

 		do{

-			spancount = min(count, 16);

-			count -= spancount;

-

-			izi = (int)(zi * 0x8000 * 0x10000);

-			while(spancount-- > 0){

-				*pz++ = izi;

-				izi += izistep;

-			}

-			zi += zistepu;

-		}while(count > 0);

+			*pz++ = izi;

+			izi += izistep;

+		}while(--count > 0);

 	}while((pspan = pspan->pnext) != nil);

 }