Blender Git Loki

Added code that partitions triangle mesh into patches.

A patch is a set of triangles connected only by manifold edges.
Each patch will either appear or not appear in the boolean output
as a whole.

Ran make format.

Move to exact arithmetic for new boolean implementation.

This is a regression in functionality from the previous version,
as I have not yet got anything beyond intersection working (and
that only for triangulated meshes). But want to get this into
the repository now while I continue to work on the functionality,
and then, the performance.

Merge branch 'master' into newboolean.

Merge branch 'master' into newboolean

Fixed Newboolean bug: how face sides were tracked.

Also, being more paranoid about new BMesh elements changing
positions in their tables after creating new elements, so
copying them all first.

Merge branch 'master' into newboolean

Fix crash in debug newboolean due to repeated vertex.

Boolean: fixed case where example came from new edge.

The code keeps track of which edges are to be used for examples,
and missed a case where the split edge was a new one so shouldn't
have an example.

Merge branch 'master' into newboolean

Turn off debug in repository for newboolean.

Merge branch 'master' into newboolean

Merge branch 'master' into newboolean

Silence some unused warnings.

Update for new flag needed for BLI_delaunay_2d_cdt_calc,

Merge branch 'master' into newboolean

Merge branch 'master' into newboolean

Merge branch 'master' into newboolean

More consistent face-face intersections.

Changed the part-part intersect algorithm so that the same calculation
is done whenever a particular edge intersects a plane.

Merge branch 'master' into newboolean