Cycles-Bake: Custom Baking passes

The combined pass is built with the contributions the user finds fit.

It is useful for lightmap baking, as well as non-view dependent effects
baking.

The manual will be updated once we get closer to the 2.77 release.
Meanwhile the new page can be found here:

http://dalaifelinto.com/blender-manual/render/cycles/baking.html

Reviewers: sergey, brecht

Differential Revision: https://developer.blender.org/D1674

1 files changed, 63 insertions, 0 deletions

diff --git a/intern/cycles/blender/addon/version_update.py b/intern/cycles/blender/addon/version_update.py
index eb6d5d957ad..d8b3f5bc672 100644
--- a/intern/cycles/blender/addon/version_update.py
+++ b/intern/cycles/blender/addon/version_update.py
@@ -113,6 +113,64 @@ def vector_curve_node_remap(node):
                 point.location.y = (point.location.y - 0.5) * 2.0
         node.mapping.update()
 
+
+def custom_bake_remap(scene):
+    """
+    Remap bake types into the new types and set the flags accordingly
+    """
+    bake_lookup = (
+        'COMBINED',
+        'AO',
+        'SHADOW',
+        'NORMAL',
+        'UV',
+        'EMIT',
+        'ENVIRONMENT',
+        'DIFFUSE_DIRECT',
+        'DIFFUSE_INDIRECT',
+        'DIFFUSE_COLOR',
+        'GLOSSY_DIRECT',
+        'GLOSSY_INDIRECT',
+        'GLOSSY_COLOR',
+        'TRANSMISSION_DIRECT',
+        'TRANSMISSION_INDIRECT',
+        'TRANSMISSION_COLOR',
+        'SUBSURFACE_DIRECT',
+        'SUBSURFACE_INDIRECT',
+        'SUBSURFACE_COLOR')
+
+    diffuse_direct_idx = bake_lookup.index('DIFFUSE_DIRECT')
+
+    cscene = scene.cycles
+
+    # Old bake type
+    bake_type_idx = cscene.get("bake_type")
+
+    if bake_type_idx is None:
+        cscene.bake_type = 'COMBINED'
+        return
+
+    # File doesn't need versioning
+    if bake_type_idx < diffuse_direct_idx:
+        return
+
+    # File needs versioning
+    bake_type = bake_lookup[bake_type_idx]
+    cscene.bake_type, end = bake_type.split('_')
+
+    if end == 'DIRECT':
+        scene.render.bake.use_pass_indirect = False
+        scene.render.bake.use_pass_color = False
+
+    elif end == 'INDIRECT':
+        scene.render.bake.use_pass_direct = False
+        scene.render.bake.use_pass_color = False
+
+    elif end == 'COLOR':
+        scene.render.bake.use_pass_direct = False
+        scene.render.bake.use_pass_indirect = False
+
+
 @persistent
 def do_versions(self):
     # We don't modify startup file because it assumes to
@@ -156,3 +214,8 @@ def do_versions(self):
 
     if bpy.data.version <= (2, 76, 5):
         foreach_cycles_node(vector_curve_node_remap)
+
+    # Baking types changed
+    if bpy.data.version <= (2, 76, 6):
+        for scene in bpy.data.scenes:
+            custom_bake_remap(scene)