From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 20 Sep 2009 12:00:43 +0000 (+0000)
Subject: fixed shadow culling bug caused by bad frustumcorner generation math
X-Git-Tag: xonotic-v0.1.0preview~1416
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=4d4d70afa00370e4b4c3bb289a0dd001727960ac;p=xonotic%2Fdarkplaces.git

fixed shadow culling bug caused by bad frustumcorner generation math


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9217 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/gl_rmain.c b/gl_rmain.c
index e2f38cde..6f6a3139 100644
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -3086,10 +3086,10 @@ static void R_View_SetFrustum(void)
 		VectorNormalize(r_refdef.view.frustum[3].normal);
 
 		// calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
-		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * slopex, left, -1024 * slopey, up, r_refdef.view.frustumcorner[0]);
-		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * slopex, left, -1024 * slopey, up, r_refdef.view.frustumcorner[1]);
-		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * slopex, left,  1024 * slopey, up, r_refdef.view.frustumcorner[2]);
-		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * slopex, left,  1024 * slopey, up, r_refdef.view.frustumcorner[3]);
+		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * r_refdef.view.frustum_x, left, -1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[0]);
+		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * r_refdef.view.frustum_x, left, -1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[1]);
+		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * r_refdef.view.frustum_x, left,  1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[2]);
+		VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * r_refdef.view.frustum_x, left,  1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[3]);
 
 		r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
 		r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);