Depsgraph hack feature - experimental

Many depsgraph failures are because some data in the graph is being
recalculated too early (or not at all).

Since we better support animators with working renders, here's a hack to
allow manual additional updates on frame changes.

In Property Editor, Object, Panel "Relations Extra" you now have two
buttons:
- Extra Object Update
- Extra Data Update

This will do an extra update of object and/or its data ONLY on frame changes.
Update happens as last.

Tested on files collected in Wiki todo, several cases now work OK, especially
the lags on updates.

1 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/makesdna/DNA_object_types.h b/source/blender/makesdna/DNA_object_types.h
index 89328c33674..559ba446740 100644
--- a/source/blender/makesdna/DNA_object_types.h
+++ b/source/blender/makesdna/DNA_object_types.h
@@ -178,7 +178,7 @@ typedef struct Object {
 	short ipoflag;				// xxx deprecated... old animation system
 	short scaflag;				/* ui state for game logic */
 	char scavisflag;			/* more display settings for game logic */
-	char pad5;
+	char depsflag;
 
 	int dupon, dupoff, dupsta, dupend;
 
@@ -530,6 +530,10 @@ typedef struct DupliObject {
 #define OB_BODY_TYPE_NAVMESH		7
 #define OB_BODY_TYPE_CHARACTER			8
 
+/* ob->depsflag */
+#define OB_DEPS_EXTRA_OB_RECALC		1
+#define OB_DEPS_EXTRA_DATA_RECALC	2
+
 /* ob->scavisflag */
 #define OB_VIS_SENS		1
 #define OB_VIS_CONT		2