Tiny feature, but loadsa code, and big impact for the Blender riggers:

-> Constraint Influence Ipo now can be local, linked to constraint itself

You enable this in the IpoWindow header, with the Action icon to the left
of the Ipo Type menu. The button tooltips give the clue as well.

Tech note: the Ipo now can get directly linked to a constraint, and is
being called during regular pose constraint solving.
Actions (and drivers in actions) are being calculated *before* pose 
constraint solving. Result of actions then is written in bones, which
then solves the entire pose.
This means you can have a driver on both the constraint, as on the action
channel for the constraint! Not that I'm going to debug that easily :)

Additional fix: Joshua added a copy/paste IpoCurve feature, but he broke
the functionality to be able to paste in an empty ipo channel. That now
works again

3 files changed, 3 insertions, 4 deletions

diff --git a/source/blender/include/BSE_editipo.h b/source/blender/include/BSE_editipo.h
index 3dd54d0a5ed..9e95eedc25e 100644
--- a/source/blender/include/BSE_editipo.h
+++ b/source/blender/include/BSE_editipo.h
@@ -89,8 +89,8 @@ void do_ipo_selectbuttons(void);
 
 
 /* gets ipo curve, creates if needed */
-struct IpoCurve *verify_ipocurve(struct ID *, short, char *, char *, int);
-struct Ipo *verify_ipo(struct ID *, short, char *, char *);
+struct IpoCurve *verify_ipocurve(struct ID *, short, char *, char *, char *, int);
+struct Ipo *verify_ipo(struct ID *, short, char *, char *, char *);
 int texchannel_to_adrcode(int channel);
 
 int insert_bezt_icu(struct IpoCurve *icu, struct BezTriple *bezt);
diff --git a/source/blender/include/blendef.h b/source/blender/include/blendef.h
index 4b5506dda30..55fa1fd8840 100644
--- a/source/blender/include/blendef.h
+++ b/source/blender/include/blendef.h
@@ -254,7 +254,7 @@
 #define B_IPO_ACTION_KEY	214
 #define B_IPOVIEWCENTER		215
 #define B_IPOVIEWALL		216
-
+#define B_IPOREDRAW			217
 
 /* OOPS: 250 */
 #define B_OOPSHOME		251
diff --git a/source/blender/include/butspace.h b/source/blender/include/butspace.h
index 10a31de98e5..eb756fd932e 100644
--- a/source/blender/include/butspace.h
+++ b/source/blender/include/butspace.h
@@ -87,7 +87,6 @@ extern int mod_moveDown(void *ob_v, void *md_v);
 extern void const_moveUp(void *ob_v, void *con_v);
 extern void const_moveDown(void *ob_v, void *con_v);
 extern void del_constr_func (void *ob_v, void *con_v);
-extern void get_constraint_ipo_context(void *ob_v, char *actname);
 
 /* editing */
 extern void editing_panels(void);