== Action Editor ==

Now it is possible to mirror selected keyframes in the action editor;
either over the current frame or the vertical axis.

Hotkey is: SHIFT M       (like in ipo editor).

1 files changed, 39 insertions, 0 deletions

diff --git a/source/blender/src/editipo_mods.c b/source/blender/src/editipo_mods.c
index 822b085e734..fd9a60edf3e 100644
--- a/source/blender/src/editipo_mods.c
+++ b/source/blender/src/editipo_mods.c
@@ -585,6 +585,45 @@ void snap_ipo_keys(Ipo *ipo, short snaptype)
 	}
 }
 
+static int mirror_bezier_cframe(BezTriple *bezt)
+{
+	float diff;
+	
+	if(bezt->f2 & SELECT) {
+		diff= ((float)CFRA - bezt->vec[1][0]);
+		bezt->vec[1][0]= ((float)CFRA + diff);
+	}
+	
+	return 0;
+}
+
+static int mirror_bezier_yaxis(BezTriple *bezt)
+{
+	float diff;
+	
+	if(bezt->f2 & SELECT) {
+		diff= (0.0f - bezt->vec[1][0]);
+		bezt->vec[1][0]= (0.0f + diff);
+	}
+	
+	return 0;
+}
+
+void mirror_ipo_keys(Ipo *ipo, short mirror_type)
+{
+	switch (mirror_type) {
+		case 1: /* mirror over current frame */
+			ipo_keys_bezier_loop(ipo, mirror_bezier_cframe, calchandles_ipocurve);
+			break;
+		case 2: /* snap over frame 0 */
+			ipo_keys_bezier_loop(ipo, mirror_bezier_yaxis, calchandles_ipocurve);
+			break;
+		default: /* just in case */
+			ipo_keys_bezier_loop(ipo, mirror_bezier_yaxis, calchandles_ipocurve);
+			break;
+	}
+}
+
 static void ipo_curves_auto_horiz(void)
 {
     EditIpo *ei;