From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 13 Jul 2003 04:09:47 +0000 (+0000)
Subject: fixed a severe bug in texcoord2f[] reading in Mod_BuildTextureVectorsAndNormals
X-Git-Tag: xonotic-v0.1.0preview~6538
X-Git-Url: http://de.git.xonotic.org/?a=commitdiff_plain;h=e40625431dffbdd685f2803b53bf2dea67f326ca;p=xonotic%2Fdarkplaces.git

fixed a severe bug in texcoord2f[] reading in Mod_BuildTextureVectorsAndNormals


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3262 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/model_shared.c b/model_shared.c
index d600269b..c715e95b 100644
--- a/model_shared.c
+++ b/model_shared.c
@@ -531,9 +531,9 @@ void Mod_BuildTextureVectorsAndNormals(int numverts, int numtriangles, const flo
 			if (tvector3f || svector3f)
 			{
 				// 3 assignments, 15 subtracts, 6 multiplies
-				tdir[0] = ((texcoord2f[e[1] * 3] - texcoord2f[e[0] * 3]) * (vertex3f[e[2]*3+0] - vertex3f[e[0]*3+0]) - (texcoord2f[e[2] * 3] - texcoord2f[e[0] * 3]) * (vertex3f[e[1]*3+0] - vertex3f[e[0]*3+0]));
-				tdir[1] = ((texcoord2f[e[1] * 3] - texcoord2f[e[0] * 3]) * (vertex3f[e[2]*3+1] - vertex3f[e[0]*3+1]) - (texcoord2f[e[2] * 3] - texcoord2f[e[0] * 3]) * (vertex3f[e[1]*3+1] - vertex3f[e[0]*3+1]));
-				tdir[2] = ((texcoord2f[e[1] * 3] - texcoord2f[e[0] * 3]) * (vertex3f[e[2]*3+2] - vertex3f[e[0]*3+2]) - (texcoord2f[e[2] * 3] - texcoord2f[e[0] * 3]) * (vertex3f[e[1]*3+2] - vertex3f[e[0]*3+2]));
+				tdir[0] = ((texcoord2f[e[1] * 2] - texcoord2f[e[0] * 2]) * (vertex3f[e[2]*3+0] - vertex3f[e[0]*3+0]) - (texcoord2f[e[2] * 2] - texcoord2f[e[0] * 2]) * (vertex3f[e[1]*3+0] - vertex3f[e[0]*3+0]));
+				tdir[1] = ((texcoord2f[e[1] * 2] - texcoord2f[e[0] * 2]) * (vertex3f[e[2]*3+1] - vertex3f[e[0]*3+1]) - (texcoord2f[e[2] * 2] - texcoord2f[e[0] * 2]) * (vertex3f[e[1]*3+1] - vertex3f[e[0]*3+1]));
+				tdir[2] = ((texcoord2f[e[1] * 2] - texcoord2f[e[0] * 2]) * (vertex3f[e[2]*3+2] - vertex3f[e[0]*3+2]) - (texcoord2f[e[2] * 2] - texcoord2f[e[0] * 2]) * (vertex3f[e[1]*3+2] - vertex3f[e[0]*3+2]));
 				// 1 assignments, 1 negates, 2 adds, 3 multiplies
 				f = -DotProduct(tdir, normal);
 				// 3 assignments, 3 adds, 3 multiplies