Revision: 20800
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=20800
Author: aligorith
Date: 2009-06-11 04:18:29 +0200 (Thu, 11 Jun 2009)
Log Message:
-----------
NLA SoC: 'Split' Operator (YKEY)
Selected NLA Strips are split into two strips, each with half the length of the
original strip.
Possible improvements subject to demand:
- multiple splits?
- splits with variable spacing? (i.e. 3:2, or 1:5).
Modified Paths:
--------------
branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_edit.c
branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_intern.h
branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_ops.c
Modified:
branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_edit.c
===================================================================
--- branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_edit.c
2009-06-11 02:14:56 UTC (rev 20799)
+++ branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_edit.c
2009-06-11 02:18:29 UTC (rev 20800)
@@ -49,6 +49,7 @@
#include "BKE_context.h"
#include "BKE_report.h"
#include "BKE_screen.h"
+#include "BKE_utildefines.h"
#include "ED_anim_api.h"
#include "ED_markers.h"
@@ -213,7 +214,7 @@
/* *********************************************** */
/* NLA Editing Operations */
-/* ******************** Delete Operator ***************************** */
+/* ******************** Delete Strips Operator ***************************** */
/* Deletes the selected NLA-Strips */
static int nlaedit_delete_exec (bContext *C, wmOperator *op)
@@ -233,7 +234,6 @@
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* for each NLA-Track, delete all selected strips */
- // FIXME: need to double-check that we've got tracks
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaStrip *strip, *nstrip;
@@ -273,4 +273,97 @@
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
+/* ******************** Split Strips Operator ***************************** */
+/* Splits the selected NLA-Strips into two strips at the midpoint of the strip
*/
+// TODO's?
+// - multiple splits
+// - variable-length splits?
+
+static int nlaedit_split_exec (bContext *C, wmOperator *op)
+{
+ bAnimContext ac;
+
+ ListBase anim_data = {NULL, NULL};
+ bAnimListElem *ale;
+ int filter;
+
+ /* get editor data */
+ if (ANIM_animdata_get_context(C, &ac) == 0)
+ return OPERATOR_CANCELLED;
+
+ /* get a list of the AnimData blocks being shown in the NLA */
+ filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS |
ANIMFILTER_FOREDIT);
+ ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
+
+ /* for each NLA-Track, delete all selected strips */
+ for (ale= anim_data.first; ale; ale= ale->next) {
+ NlaTrack *nlt= (NlaTrack *)ale->data;
+ NlaStrip *strip, *nstrip, *next;
+
+ for (strip= nlt->strips.first; strip; strip= next) {
+ next= strip->next;
+
+ /* if selected, split the strip at its midpoint */
+ if (strip->flag & NLASTRIP_FLAG_SELECT) {
+ float midframe, midaframe, len;
+
+ /* calculate the frames to do the splitting at
*/
+ /* strip extents */
+ len= strip->end - strip->start;
+ if (IS_EQ(len, 0.0f))
+ continue;
+ else
+ midframe= strip->start + (len / 2.0f);
+
+ /* action range */
+ len= strip->actend - strip->actstart;
+ if (IS_EQ(len, 0.0f))
+ midaframe= strip->actend;
+ else
+ midaframe= strip->actstart + (len /
2.0f);
+
+ /* make a copy (assume that this is possible)
and append
+ * it immediately after the current strip
+ */
+ nstrip= copy_nlastrip(strip);
+ BLI_insertlinkafter(&nlt->strips, strip,
nstrip);
+
+ /* set the endpoint of the first strip and the
start of the new strip
+ * to the midframe values calculated above
+ */
+ strip->end= midframe;
+ nstrip->start= midframe;
+
+ strip->actend= midaframe;
+ nstrip->actstart= midaframe;
+ }
+ }
+ }
+
+ /* free temp data */
+ BLI_freelistN(&anim_data);
+
+ /* set notifier that things have changed */
+ ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
+ WM_event_add_notifier(C, NC_SCENE, NULL);
+
+ /* done */
+ return OPERATOR_FINISHED;
+}
+
+void NLAEDIT_OT_split (wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name= "Split Strips";
+ ot->idname= "NLAEDIT_OT_split";
+ ot->description= "Split selected strips at their midpoints.";
+
+ /* api callbacks */
+ ot->exec= nlaedit_split_exec;
+ ot->poll= nlaop_poll_tweakmode_off;
+
+ /* flags */
+ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
+}
+
/* *********************************************** */
Modified:
branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_intern.h
===================================================================
--- branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_intern.h
2009-06-11 02:14:56 UTC (rev 20799)
+++ branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_intern.h
2009-06-11 02:18:29 UTC (rev 20800)
@@ -93,6 +93,7 @@
/* --- */
void NLAEDIT_OT_delete(wmOperatorType *ot);
+void NLAEDIT_OT_split(wmOperatorType *ot);
/* **************************************** */
Modified: branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_ops.c
===================================================================
--- branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_ops.c
2009-06-11 02:14:56 UTC (rev 20799)
+++ branches/soc-2009-aligorith/source/blender/editors/space_nla/nla_ops.c
2009-06-11 02:18:29 UTC (rev 20800)
@@ -134,6 +134,7 @@
WM_operatortype_append(NLAEDIT_OT_tweakmode_exit);
WM_operatortype_append(NLAEDIT_OT_delete);
+ WM_operatortype_append(NLAEDIT_OT_split);
}
/* ************************** registration - keymaps
**********************************/
@@ -204,6 +205,9 @@
WM_keymap_add_item(keymap, "NLAEDIT_OT_delete", XKEY, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "NLAEDIT_OT_delete", DELKEY, KM_PRESS, 0, 0);
+ /* split */
+ WM_keymap_add_item(keymap, "NLAEDIT_OT_split", YKEY, KM_PRESS, 0, 0);
+
/* transform system */
transform_keymap_for_space(wm, keymap, SPACE_NLA);
}
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