T45687: Rework the Export/Import of Animations

This started with a fix for an animated Object Hierarchy. Then i decided to cleanup and optimize a bit. But at the end this has become a more or less full rewrite of the Animation Exporter. All of this happened in a separate local branch and i have retained all my local commits to better see what i have done.

Brief description:

* I fixed a few issues with exporting keyframed animations of object hierarchies where the objects have parent inverse matrices which differ from the Identity matrix.
* I added the option to export sampled animations with a user defined sampling rate (new user interface option)
* I briefly tested Object Animations and Rig Animations.

What is still needed:

* Cleanup the code
* Optimize the user interface
* Do the Documentation

Reviewers: mont29

Reviewed By: mont29

Differential Revision: https://developer.blender.org/D3070

1 files changed, 3 insertions, 0 deletions

diff --git a/source/blender/collada/collada_utils.h b/source/blender/collada/collada_utils.h
index e9066d7db46..8b5903b9746 100644
--- a/source/blender/collada/collada_utils.h
+++ b/source/blender/collada/collada_utils.h
@@ -63,6 +63,9 @@ extern "C" {
 
 typedef std::map<COLLADAFW::TextureMapId, std::vector<MTex *> > TexIndexTextureArrayMap;
 
+extern Main *bc_get_main();
+extern EvaluationContext *bc_get_evaluation_context();
+
 extern float bc_get_float_value(const COLLADAFW::FloatOrDoubleArray& array, unsigned int index);
 extern int bc_test_parent_loop(Object *par, Object *ob);
 extern int bc_set_parent(Object *ob, Object *par, bContext *C, bool is_parent_space = true);