BGE patch: Add automatic support for armature driven shape keys.

To take advantage of this feature, you must have a mesh with 
relative shape keys and shape Ipo curves with drivers referring
to bones of the mesh's parent armature. 
The BGE will automatically detect the dependency between the 
shape keys and the armature and execute the Ipo drivers during
the rendering of the armature actions.
This technique is used to make the armature action more natural: 
the shape keys compensate in places where the armature deformation 
is uggly and the drivers make sure that the shape correction
is synchronized with the bone position.

Note: This is not compatible with shape actions; BLender does 
not allow to have Shape Ipo Curves and Shape actions at the same
time.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_ipo.h b/source/blender/blenkernel/BKE_ipo.h
index 922f3201345..5b209cb8f5b 100644
--- a/source/blender/blenkernel/BKE_ipo.h
+++ b/source/blender/blenkernel/BKE_ipo.h
@@ -31,6 +31,10 @@
 #ifndef BKE_IPO_H
 #define BKE_IPO_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct CfraElem {
 	struct CfraElem *next, *prev;
 	float cfra;
@@ -111,5 +115,9 @@ float IPO_GetFloatValue(struct Ipo *ipo,
 						short c,
 						float ctime);
 
+#ifdef __cplusplus
+};
+#endif
+
 #endif