From c31c8fa14e0754a1d93d145ba5ce32866f24fb84 Mon Sep 17 00:00:00 2001
From: Joshua Leung <aligorith@gmail.com>
Date: Fri, 7 Mar 2014 19:11:53 +1300
Subject: [PATCH] Fix T39015: NLA Clip Auto Blend In/Out Check Box Not Working

Fix for regression accidentally introduced in 5f18d863a97 (affecting current 2.70 rc-1)
which means that this setting wasn't working anymore at all.
---
 source/blender/makesrna/intern/rna_nla.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/source/blender/makesrna/intern/rna_nla.c b/source/blender/makesrna/intern/rna_nla.c
index 07d221dd80d..37de1d670f5 100644
--- a/source/blender/makesrna/intern/rna_nla.c
+++ b/source/blender/makesrna/intern/rna_nla.c
@@ -236,8 +236,8 @@ static void rna_NlaStrip_use_auto_blend_set(PointerRNA *ptr, int value)
 	NlaStrip *data = (NlaStrip *)ptr->data;
 	
 	if (value) {
-		/* set the flag, then make sure a curve for this exists */
-		data->flag |= NLASTRIP_FLAG_USR_INFLUENCE;
+		/* set the flag */
+		data->flag |= NLASTRIP_FLAG_AUTO_BLENDS;
 		
 		/* validate state to ensure that auto-blend gets applied immediately */
 		if (ptr->id.data) {
@@ -249,7 +249,13 @@ static void rna_NlaStrip_use_auto_blend_set(PointerRNA *ptr, int value)
 		}
 	}
 	else {
-		data->flag &= ~NLASTRIP_FLAG_USR_INFLUENCE;
+		/* clear the flag */
+		data->flag &= ~NLASTRIP_FLAG_AUTO_BLENDS;
+		
+		/* clear the values too, so that it's clear that there has been an effect */
+		/* TODO: it's somewhat debatable whether it's better to leave these in instead... */
+		data->blendin  = 0.0f;
+		data->blendout = 0.0f;
 	}
 }
 
-- 
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