From 51e1267f4538e7ce99289fdc3a898e8f7068488c Mon Sep 17 00:00:00 2001
From: Joseph Carter <knghtbrd@debian.org>
Date: Wed, 12 Apr 2000 23:58:17 +0000
Subject: [PATCH] uh, you don't want this yet.  I'm screwing around with
 skyboxes and this code doesn't work as advertised.  Reverting.

---
 common/gl_warp.c | 66 ------------------------------------------------
 1 file changed, 66 deletions(-)

diff --git a/common/gl_warp.c b/common/gl_warp.c
index 5158b73..ce6ae82 100644
--- a/common/gl_warp.c
+++ b/common/gl_warp.c
@@ -724,63 +724,6 @@ ClipSkyPolygon (int nump, vec3_t vecs, int stage) {
 	ClipSkyPolygon (newc[1], newv[1][0], stage+1);
 }
 
-#if 0
-void
-EmitSkyboxPolys ( msurface_t *fa )
-{
-	glpoly_t	*p;
-	float		*v;
-	int			i, axis, nump;
-	float	s, t;
-	vec3_t	dir, av, vp;
-	float	length;
-//	vec3_t	verts[MAX_CLIP_VERTS];
-
-	for (p=fa->polys ; p ; p=p->next)
-	{
-		v=p->verts[0] ;
-		nump = p->numverts;
-		
-		// decide which face it maps to
-		for (i=0, vp=vecs ; i<nump ; i++, vp+=3) {
-			VectorAdd (vp, v, v);
-		}
-		av[0] = fabs(v[0]);
-		av[1] = fabs(v[1]);
-		av[2] = fabs(v[2]);
-		if (av[0] > av[1] && av[0] > av[2]) {
-			axis = (v[0] < 0) ? 1 : 0;
-		} else if (av[1] > av[2] && av[1] > av[0]) {
-			axis = (v[1] < 0) ? 3 : 2;
-		} else {
-			axis = (v[2] < 0) ? 5 : 4;
-		}
-
-		glBegin (GL_POLYGON);
-		for (i=0,v=p->verts[0] ; i<p->numverts ; i++, v+=VERTEXSIZE)
-		{
-			VectorSubtract (v, r_origin, dir);
-			dir[2] *= 3;	// flatten the sphere
-
-			length = dir[0]*dir[0] + dir[1]*dir[1] + dir[2]*dir[2];
-			length = sqrt (length);
-			length = 6*63/length;
-
-			dir[0] *= length;
-			dir[1] *= length;
-
-			s = (speedscale + dir[0]) * (1.0/128);
-			t = (speedscale + dir[1]) * (1.0/128);
-
-			glTexCoord2f (s, t);
-			glVertex3fv (v);
-		}
-		glEnd ();
-	}
-}
-#endif
-
-
 /*
 	R_DrawSkyChain
 */
@@ -894,12 +837,6 @@ R_DrawSkyBox ( void )
 	glColor4f (1,1,1,0.5);
 	glDisable (GL_DEPTH_TEST);
 #endif
-
-	// make sure skybox is always "infinite distance" from camera, maybe
-	//  makes some of the ClipSkyPolygon stuff need to go away.  --KB
-	glDepthRange (1.0, 1.0);
-
-			glDepthRange (1.0, 1.0);
 	for (i=0 ; i<6 ; i++)
 	{
 		if (skymins[0][i] >= skymaxs[0][i]
@@ -920,9 +857,6 @@ R_DrawSkyBox ( void )
 		MakeSkyVec (skymaxs[0][i], skymins[1][i], i);
 		glEnd ();
 	}
-
-	glDepthRange (0.0, 1.0);	// we need our depth buffer !  --KB
-
 #if 0
 	glDisable (GL_BLEND);
 	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);