have timeoffset use (int)floor(timeoffset+0.5f) when converting to an int to avoid problems with nagative values.

1 files changed, 13 insertions, 11 deletions

diff --git a/source/blender/editors/animation/anim_draw.c b/source/blender/editors/animation/anim_draw.c
index 62f421de71c..f5f50e10bcb 100644
--- a/source/blender/editors/animation/anim_draw.c
+++ b/source/blender/editors/animation/anim_draw.c
@@ -232,20 +232,22 @@ void ANIM_draw_cfra (const bContext *C, View2D *v2d, short flag)
 	/* Draw dark green line if slow-parenting/time-offset is enabled */
 	if (flag & DRAWCFRA_SHOW_TIMEOFS) {
 		Object *ob= (scene->basact) ? (scene->basact->object) : 0;
-		
-		// XXX ob->ipoflag is depreceated!
-		if ((ob) && (ob->ipoflag & OB_OFFS_OB) && (give_timeoffset(ob)!=0.0f)) {
-			vec[0]-= give_timeoffset(ob); /* could avoid calling twice */
+		if(ob) {
+			float timeoffset= give_timeoffset(ob);
+			// XXX ob->ipoflag is depreceated!
+			if ((ob->ipoflag & OB_OFFS_OB) && (timeoffset != 0.0f)) {
+				vec[0]-= timeoffset; /* could avoid calling twice */
 			
-			UI_ThemeColorShade(TH_CFRAME, -30);
+				UI_ThemeColorShade(TH_CFRAME, -30);
 			
-			glBegin(GL_LINE_STRIP);
-				/*vec[1]= v2d->cur.ymax;*/ // this is set already. this line is only included
-				glVertex2fv(vec);
+				glBegin(GL_LINE_STRIP);
+					/*vec[1]= v2d->cur.ymax;*/ // this is set already. this line is only included
+					glVertex2fv(vec);
 				
-				vec[1]= v2d->cur.ymin;
-				glVertex2fv(vec);
-			glEnd();
+					vec[1]= v2d->cur.ymin;
+					glVertex2fv(vec);
+				glEnd();
+			}
 		}
 	}