[Bf-blender-cvs] [6b55e29] object_nodes: Rudimentary node group classes for an instance node and inputs/outputs.

Lukas Tönne noreply at git.blender.org
Sat Dec 5 11:34:29 CET 2015


Commit: 6b55e29baf1870c6280cdab5152c868bebb0a217
Author: Lukas Tönne
Date:   Sat Dec 5 11:32:34 2015 +0100
Branches: object_nodes
https://developer.blender.org/rB6b55e29baf1870c6280cdab5152c868bebb0a217

Rudimentary node group classes for an instance node and inputs/outputs.

The node group instance prevents recursive groups by disallowing nested
node trees, both when selecting a different group tree for an existing
node instance, and when adding an existing node to a tree (copy/paste).

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

M	release/scripts/nodes/__init__.py
M	release/scripts/nodes/forcefield_nodes.py
M	release/scripts/nodes/geometry_nodes.py
A	release/scripts/nodes/group_nodes.py
M	release/scripts/nodes/object_nodes.py

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

diff --git a/release/scripts/nodes/__init__.py b/release/scripts/nodes/__init__.py
index cfbb096..885e5d8 100644
--- a/release/scripts/nodes/__init__.py
+++ b/release/scripts/nodes/__init__.py
@@ -27,6 +27,7 @@ _modules = [
     "common_nodes",
     "forcefield_nodes",
     "geometry_nodes",
+    "group_nodes",
     "object_nodes",
 ]
 
diff --git a/release/scripts/nodes/forcefield_nodes.py b/release/scripts/nodes/forcefield_nodes.py
index eae4c28..8245f8a 100644
--- a/release/scripts/nodes/forcefield_nodes.py
+++ b/release/scripts/nodes/forcefield_nodes.py
@@ -36,26 +36,6 @@ class ForceFieldNodeCategory(NodeCategory):
         tree = context.space_data.edit_tree
         return tree and tree.bl_idname == 'ForceFieldNodeTree'
 
-node_categories = [
-    ForceFieldNodeCategory("FORCE_INPUT", "Input", items=[
-        NodeItem("ForcePointDataNode"),
-        ]),
-    ForceFieldNodeCategory("FORCE_OUTPUT", "Output", items=[
-        NodeItem("ForceOutputNode"),
-        ]),
-    ForceFieldNodeCategory("FORCE_CONVERTER", "Converter", items=[
-        NodeItem("ObjectSeparateVectorNode"),
-        NodeItem("ObjectCombineVectorNode"),
-        ]),
-    ForceFieldNodeCategory("FORCE_MATH", "Math", items=[
-        NodeItem("ObjectMathNode"),
-        NodeItem("ObjectVectorMathNode"),
-        ]),
-    ForceFieldNodeCategory("FORCE_GEOMETRY", "Geometry", items=[
-        NodeItem("ForceClosestPointNode"),
-        ]),
-    ]
-
 ###############################################################################
 
 class ForceFieldNodeTree(NodeTreeBase, NodeTree):
@@ -151,6 +131,25 @@ class ForceFieldNodesNew(Operator):
 def register():
     bpy.utils.register_module(__name__)
 
+    node_categories = [
+        ForceFieldNodeCategory("FORCE_INPUT", "Input", items=[
+            NodeItem("ForcePointDataNode"),
+            ]),
+        ForceFieldNodeCategory("FORCE_OUTPUT", "Output", items=[
+            NodeItem("ForceOutputNode"),
+            ]),
+        ForceFieldNodeCategory("FORCE_CONVERTER", "Converter", items=[
+            NodeItem("ObjectSeparateVectorNode"),
+            NodeItem("ObjectCombineVectorNode"),
+            ]),
+        ForceFieldNodeCategory("FORCE_MATH", "Math", items=[
+            NodeItem("ObjectMathNode"),
+            NodeItem("ObjectVectorMathNode"),
+            ]),
+        ForceFieldNodeCategory("FORCE_GEOMETRY", "Geometry", items=[
+            NodeItem("ForceClosestPointNode"),
+            ]),
+        ]
     nodeitems_utils.register_node_categories("FORCEFIELD_NODES", node_categories)
 
 def unregister():
diff --git a/release/scripts/nodes/geometry_nodes.py b/release/scripts/nodes/geometry_nodes.py
index bd1556c..dddb68d 100644
--- a/release/scripts/nodes/geometry_nodes.py
+++ b/release/scripts/nodes/geometry_nodes.py
@@ -25,6 +25,7 @@ from bpy.props import *
 from nodeitems_utils import NodeCategory, NodeItem
 from mathutils import *
 from common_nodes import NodeTreeBase
+import group_nodes
 
 ###############################################################################
 # Socket Types
@@ -56,28 +57,6 @@ class GeometryNodeCategory(NodeCategory):
         tree = context.space_data.edit_tree
         return tree and tree.bl_idname == 'GeometryNodeTree'
 
-node_categories = [
-    GeometryNodeCategory("GEO_INPUT", "Input", items=[
-        NodeItem("ObjectIterationNode"),
-        NodeItem("GeometryMeshLoadNode"),
-        ]),
-    GeometryNodeCategory("GEO_OUTPUT", "Output", items=[
-        NodeItem("GeometryOutputNode"),
-        ]),
-    GeometryNodeCategory("GEO_MODIFIER", "Modifier", items=[
-        NodeItem("GeometryMeshArrayNode"),
-        ]),
-    GeometryNodeCategory("GEO_CONVERTER", "Converter", items=[
-        NodeItem("ObjectSeparateVectorNode"),
-        NodeItem("ObjectCombineVectorNode"),
-        NodeItem("GeometryMeshCombineNode"),
-        ]),
-    GeometryNodeCategory("GEO_MATH", "Math", items=[
-        NodeItem("ObjectMathNode"),
-        NodeItem("ObjectVectorMathNode"),
-        ]),
-    ]
-
 ###############################################################################
 
 class GeometryNodeTree(NodeTreeBase, NodeTree):
@@ -241,7 +220,34 @@ class GeometryNodesNew(Operator):
 
 def register():
     bpy.utils.register_module(__name__)
-
+    gnode, ginput, goutput = group_nodes.make_node_group_types("Geometry", GeometryNodeTree, GeometryNodeBase)
+
+    node_categories = [
+        GeometryNodeCategory("GEO_INPUT", "Input", items=[
+            NodeItem("ObjectIterationNode"),
+            NodeItem("GeometryMeshLoadNode"),
+            NodeItem(ginput.bl_idname),
+            ]),
+        GeometryNodeCategory("GEO_OUTPUT", "Output", items=[
+            NodeItem("GeometryOutputNode"),
+            NodeItem(goutput.bl_idname),
+            ]),
+        GeometryNodeCategory("GEO_MODIFIER", "Modifier", items=[
+            NodeItem("GeometryMeshArrayNode"),
+            ]),
+        GeometryNodeCategory("GEO_CONVERTER", "Converter", items=[
+            NodeItem("ObjectSeparateVectorNode"),
+            NodeItem("ObjectCombineVectorNode"),
+            NodeItem("GeometryMeshCombineNode"),
+            ]),
+        GeometryNodeCategory("GEO_MATH", "Math", items=[
+            NodeItem("ObjectMathNode"),
+            NodeItem("ObjectVectorMathNode"),
+            ]),
+        GeometryNodeCategory("GEO_GROUP", "Group", items=[
+            NodeItem(gnode.bl_idname),
+            ]),
+        ]
     nodeitems_utils.register_node_categories("GEOMETRY_NODES", node_categories)
 
 def unregister():
diff --git a/release/scripts/nodes/group_nodes.py b/release/scripts/nodes/group_nodes.py
new file mode 100644
index 0000000..8d57b60
--- /dev/null
+++ b/release/scripts/nodes/group_nodes.py
@@ -0,0 +1,123 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# <pep8-80 compliant>
+
+import bpy
+import nodeitems_utils
+from bpy.types import Operator, NodeTree, Node, NodeSocket, ObjectNode
+from bpy.props import *
+
+def make_node_group_types(prefix, treetype, node_base):
+    ntree_idname = treetype.bl_idname
+    groupnode_idname = '%sGroupNode' % prefix
+
+    class NodeGroupNew(Operator):
+        """Create new object node tree"""
+        bl_idname = "object_nodes.%s_nodegroup_new" % prefix.lower()
+        bl_label = "New"
+        bl_options = {'REGISTER', 'UNDO'}
+        bl_ntree_idname = ntree_idname
+
+        name = StringProperty(
+                name="Name",
+                )
+
+        def execute(self, context):
+            return bpy.ops.node.new_node_tree(type=self.bl_ntree_idname, name="%s Node Group" % prefix)
+
+    def internal_group_nodes(ntree, visited=None):
+        if ntree is None:
+            return
+        if visited is None:
+            visited = set()
+        elif ntree in visited:
+            return
+        visited.add(ntree)
+        
+        for node in ntree.nodes:
+            if not isinstance(node, GroupNode):
+                continue
+            yield node
+            for inode in internal_group_nodes(node.id, visited):
+                yield inode
+
+    class GroupNode(node_base, ObjectNode):
+        '''Group of nodes that can be used in other trees'''
+        bl_idname = groupnode_idname
+        bl_label = 'Group'
+        bl_ntree_idname = ntree_idname
+
+        bl_id_property_type = 'NODETREE'
+        def bl_id_property_poll(self, ntree):
+            if not isinstance(ntree, treetype):
+                return False
+            for node in internal_group_nodes(ntree):
+                if node == self:
+                    return False
+            return True
+
+        def poll_instance(self, ntree):
+            if hasattr(super(), "poll_instance") and not super().poll_instance(ntree):
+                return False
+            if self.id == ntree:
+                return False
+            for node in internal_group_nodes(self.id):
+                if node.id == ntree:
+                    return False
+            return True
+
+        def draw_buttons(self, context, layout):
+            layout.template_ID(self, "id", new="object_nodes.geometry_nodes_new")
+
+        def compile(self, compiler):
+            # TODO
+            pass
+
+    class GroupInputNode(node_base, ObjectNode):
+        '''Inputs of the node group inside the tree'''
+        bl_idname = '%sGroupInputNode' % prefix
+        bl_label = 'Group Inputs'
+
+        def compile(self, compiler):
+            # TODO
+            pass
+
+    class GroupOutputNode(node_base, ObjectNode):
+        '''Outputs of the node group inside the tree'''
+        bl_idname = '%sGroupOutputNode' % prefix
+        bl_label = 'Group Outputs'
+
+        def compile(self, compiler):
+            # TODO
+            pass
+
+    bpy.utils.register_class(NodeGroupNew)
+    bpy.utils.register_class(GroupNode)
+    bpy.utils.register_class(GroupInputNode)
+    bpy.utils.register_class(GroupOutputNode)
+
+    return GroupNode, GroupInputNode, GroupOutputNode
+
+###############################################################################
+
+def register():
+    pass
+
+def unregister():
+    pass
diff --git a/release/scripts/nodes/object_nodes.py b/release/scripts/nodes/object_nodes.py
index 0b4ec70..1581b9a 100644
--- a/release/scripts/nodes/object_nodes.py
+++ b/release/scripts/nodes/object_nodes.py
@@ -36,13 +36,6 @@ class ObjectNodeCategory(NodeCategory):
         tree = context.space_data.edit_tree
         return tree and tree.bl_idname == 'Objec

@@ Diff output truncated at 10240 characters. @@




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