tissue node preamble - NO THIS DOESN'T WORK.

tissue.py

# ##### 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 #####

import bpy
# import mathutils
# from mathutils import Vector
# from bpy.props import FloatProperty, BoolProperty
from sverchok.node_tree import SverchCustomTreeNode
from sverchok.data_structure import updateNode

import tissue



class SvTissueMK1(bpy.types.Node, SverchCustomTreeNode):
    ''' a SvTissueMK1 f '''
    bl_idname = 'SvTissueMK1'
    bl_label = 'Tissue'
    bl_icon = 'GREASEPENCIL'

    # these properties need to be injected automatically
    object_name = bpy.props.StringProperty(name="", description="Name of the generated object")
    zscale = bpy.props.FloatProperty(name="Scale", default=1, soft_min=0, soft_max=10, description="Scale factor for the component thickness")
    scale_mode = bpy.props.EnumProperty(items=(('CONSTANT', "Constant", ""), ('ADAPTIVE', "Proportional", "")), default='CONSTANT', name="Z-Scale according to faces size")
    offset = bpy.props.FloatProperty(name="Surface Offset", default=0, min=-1, max=1,  soft_min=-1, soft_max=1, description="Surface offset")
    mode = bpy.props.EnumProperty(items=(('CONSTANT', "Constant", ""), ('ADAPTIVE', "Adaptive", "")), default='ADAPTIVE', name="Component Mode")
    rotation_mode = bpy.props.EnumProperty(items=(('RANDOM', "Random", ""), ('UV', "Active UV", ""), ('DEFAULT', "Default", "")), default='DEFAULT', name="Component Rotation")
    fill_mode = bpy.props.EnumProperty(items=(('QUAD', "Quad", ""), ('FAN', "Fan", "")), default='QUAD', name="Fill Mode")
    gen_modifiers = bpy.props.BoolProperty(name="Generator Modifiers", default=False, description="Apply modifiers to base object")
    com_modifiers = bpy.props.BoolProperty(name="Component Modifiers", default=False, description="Apply modifiers to component object")
    merge = bpy.props.BoolProperty(name="Merge", default=False, description="Merge vertices in adjacent duplicates")
    merge_thres = bpy.props.FloatProperty(name="Distance", default=0.001, soft_min=0, soft_max=10, description="Limit below which to merge vertices")
    generator = bpy.props.StringProperty(name="", description="Base object for the tessellation")
    component = bpy.props.StringProperty(name="", description="Component object for the tessellation")
    bool_random = bpy.props.BoolProperty(name="Randomize", default=False, description="Randomize component rotation")
    random_seed = bpy.props.IntProperty(name="Seed", default=0, soft_min=0, soft_max=10, description="Random seed")
    bool_vertex_group = bpy.props.BoolProperty(name="Map Vertex Group", default=False, description="Map the active Vertex Group from the Base object to generated geometry")
    bool_selection = bpy.props.BoolProperty(name="On selected Faces", default=False, description="Create Tessellation only on selected faces")
    bool_shapekeys = bpy.props.BoolProperty(name="Use Shape Keys", default=False, description="Use component's active Shape Key according to active Vertex Group of the base object")


    def sv_init(self, context):
        self.inputs.new('SvObjectSocket', 'obj 1')
        self.inputs.new('SvObjectSocket', 'obj 2')
        self.outputs.new('SvObjectSocket', 'obj out')

    def draw_buttons(self, context, layout):
        draw = bpy.types.OBJECT_OT_tessellate.draw
                
        node = lambda: None
        for i in dir(self):
            setattr(node, i, getattr(self, i))
        node.layout = layout
        
        draw(node, context)
                

    def process(self):
        pass


def register():
    bpy.utils.register_class(SvTissueMK1)


def unregister():
    bpy.utils.unregister_class(SvTissueMK1)