Blender Git Loki

Changed merge, split and average to make them more coherent.

Now merge and split are only used to join/split split normals. All other functionality is transferred over to average.

Added weighting, sharp edges to average.

Made small UI changes.

changed weight calculation in modifier

name cleanup for levelset grids

reordered all FM related functions to the end of file

Merge branch 'blender2.8' into greasepencil-object

Reorganize VFX modifiers code

Second step to include Pixel Factor

This add the final changes to use pixfactor in shaders

First step to include Pixel Factor

This is equal to old commit but step by step to avoid z-depth error. Doing the commit more granulate allow to debug better the code.

Revert "Add new factor to define pixel scale due z-depth error"

Produce unexpected errors in z-depth and need more review before apply.

This reverts commit 62677a73e1e4324ed0c6d6bedb683721232c3199.

Change strengthin Tint modifier

Managed intersection data from multiprocess. Fixed ghash_pop workaround.

Change Opacify modifier again

The fill color only must be changed if was defined with an opacity factor.

Remove Opacity factor soft limit

Now the range is free from 0 to 2

Fix Opacity modifier do not change fill opacity

The fill opacity cannot be set to 1

Store pointer into the hair follicle array in hair groups directly.

This creates a dependency of the hair groups on the validity of the pattern,
so care has to be taken to always update the groups when the pattern changes.

Split off hair drawing code into a separate file.

Fix error setting origin to 3D cursor

renamed "Anti-Trigger" to "Stop Trigger" in python and UI now

performance regression fix which reduces some static-static collision checking