[Bf-blender-cvs] [09ea940e7ba] blender2.8: Fix missing Eevee volume panel in material tab.

[Brecht Van Lommel]

Commit: 09ea940e7ba8c4905e692134dfc14d0a6fbf909b
Author: Brecht Van Lommel
Date:   Thu Sep 20 19:26:41 2018 +0200
Branches: blender2.8
https://developer.blender.org/rB09ea940e7ba8c4905e692134dfc14d0a6fbf909b

Fix missing Eevee volume panel in material tab.

===================================================================

M	release/scripts/startup/bl_ui/properties_material.py

===================================================================

diff --git a/release/scripts/startup/bl_ui/properties_material.py b/release/scripts/startup/bl_ui/properties_material.py
index 706ce497dee..d843387720d 100644
--- a/release/scripts/startup/bl_ui/properties_material.py
+++ b/release/scripts/startup/bl_ui/properties_material.py
@@ -141,11 +141,11 @@ class EEVEE_MATERIAL_PT_context_material(MaterialButtonsPanel, Panel):
             row.template_ID(space, "pin_id")
 
 
-def panel_node_draw(layout, ntree, output_type):
+def panel_node_draw(layout, ntree, output_type, input_name):
     node = ntree.get_output_node('EEVEE')
 
     if node:
-        input = find_node_input(node, 'Surface')
+        input = find_node_input(node, input_name)
         if input:
             layout.template_node_view(ntree, node, input)
         else:
@@ -173,7 +173,7 @@ class EEVEE_MATERIAL_PT_surface(MaterialButtonsPanel, Panel):
         layout.separator()
 
         if mat.use_nodes:
-            panel_node_draw(layout, mat.node_tree, 'OUTPUT_MATERIAL')
+            panel_node_draw(layout, mat.node_tree, 'OUTPUT_MATERIAL', 'Surface')
         else:
             layout.use_property_split = True
             layout.prop(mat, "diffuse_color", text="Base Color")
@@ -182,6 +182,26 @@ class EEVEE_MATERIAL_PT_surface(MaterialButtonsPanel, Panel):
             layout.prop(mat, "roughness")
 
 
+class EEVEE_MATERIAL_PT_volume(MaterialButtonsPanel, Panel):
+    bl_label = "Volume"
+    bl_context = "material"
+    bl_options = {'DEFAULT_CLOSED'}
+    COMPAT_ENGINES = {'BLENDER_EEVEE'}
+
+    @classmethod
+    def poll(cls, context):
+        engine = context.engine
+        mat = context.material
+        return mat and mat.use_nodes and (engine in cls.COMPAT_ENGINES)
+
+    def draw(self, context):
+        layout = self.layout
+
+        mat = context.material
+
+        panel_node_draw(layout, mat.node_tree, 'OUTPUT_MATERIAL', 'Volume')
+
+
 class EEVEE_MATERIAL_PT_options(MaterialButtonsPanel, Panel):
     bl_label = "Options"
     bl_context = "material"
@@ -242,6 +262,7 @@ classes = (
     MATERIAL_PT_preview,
     EEVEE_MATERIAL_PT_context_material,
     EEVEE_MATERIAL_PT_surface,
+    EEVEE_MATERIAL_PT_volume,
     EEVEE_MATERIAL_PT_options,
     MATERIAL_PT_viewport,
     MATERIAL_PT_custom_props,