From a84ce82188b4067f8fbc397409e9c14e7ef96662 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 2 Apr 2009 09:13:09 +0000
Subject: [PATCH] fix severe animation bug with single-frame framegroups in zym
 models slight tweak to framegroup interpolation in zym models (restored some
 epsilon checks)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8846 d7cf8633-e32d-0410-b094-e92efae38249
---
 r_lerpanim.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/r_lerpanim.c b/r_lerpanim.c
index f384d81a..271fc054 100644
--- a/r_lerpanim.c
+++ b/r_lerpanim.c
@@ -58,6 +58,10 @@ void R_LerpAnimation(entity_render_t *r)
 				f = (int) floor(sublerp);
 				sublerp -= f;
 				sub2 = f + 1;
+				if (sublerp < (1.0 / 65536.0f))
+					sublerp = 0;
+				if (sublerp > (65535.0f / 65536.0f))
+					sublerp = 1;
 				if (nolerp)
 					sublerp = 0;
 				if (scene->loop)
@@ -69,7 +73,7 @@ void R_LerpAnimation(entity_render_t *r)
 				sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 				d = sublerp * lerp;
 				// two framelerps produced from one animation
-				if (f != sub2 && d > 0)
+				if (d > 0)
 				{
 					for (i = 0;i < MAX_FRAMEBLENDS;i++)
 					{
-- 
2.39.2