ui.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 #####

# <pep8 compliant>

import bpy
import sys #really import here and in render.py?
import os #really import here and in render.py?
from os.path import isfile

# Use some of the existing buttons.
from bl_ui import properties_render
properties_render.RENDER_PT_render.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_render.RENDER_PT_dimensions.COMPAT_ENGINES.add('POVRAY_RENDER')
# properties_render.RENDER_PT_antialiasing.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_render.RENDER_PT_shading.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_render.RENDER_PT_output.COMPAT_ENGINES.add('POVRAY_RENDER')
del properties_render


# Use only a subset of the world panels
from bl_ui import properties_world
properties_world.WORLD_PT_preview.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_world.WORLD_PT_context_world.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_world.WORLD_PT_world.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_world.WORLD_PT_mist.COMPAT_ENGINES.add('POVRAY_RENDER')
del properties_world


# Example of wrapping every class 'as is'
from bl_ui import properties_texture
from bl_ui.properties_texture import context_tex_datablock
for member in dir(properties_texture):
    subclass = getattr(properties_texture, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_texture

# Physics Main wrapping every class 'as is'
from bl_ui import properties_physics_common
for member in dir(properties_physics_common):
    subclass = getattr(properties_physics_common, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_common

# Physics Rigid Bodies wrapping every class 'as is'
from bl_ui import properties_physics_rigidbody
for member in dir(properties_physics_rigidbody):
    subclass = getattr(properties_physics_rigidbody, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_rigidbody

# Physics Rigid Body Constraint wrapping every class 'as is'
from bl_ui import properties_physics_rigidbody_constraint
for member in dir(properties_physics_rigidbody_constraint):
    subclass = getattr(properties_physics_rigidbody_constraint, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_rigidbody_constraint

# Physics Smoke wrapping every class 'as is'
from bl_ui import properties_physics_smoke
for member in dir(properties_physics_smoke):
    subclass = getattr(properties_physics_smoke, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_smoke

# Physics softbody wrapping every class 'as is'
from bl_ui import properties_physics_softbody
for member in dir(properties_physics_softbody):
    subclass = getattr(properties_physics_softbody, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_softbody

# Physics Fluid wrapping every class 'as is'
from bl_ui import properties_physics_fluid
for member in dir(properties_physics_fluid):
    subclass = getattr(properties_physics_fluid, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_fluid

# Physics Field wrapping every class 'as is'
from bl_ui import properties_physics_field
for member in dir(properties_physics_field):
    subclass = getattr(properties_physics_field, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_field

# Physics Cloth wrapping every class 'as is'
from bl_ui import properties_physics_cloth
for member in dir(properties_physics_cloth):
    subclass = getattr(properties_physics_cloth, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_cloth

# Physics Dynamic Paint wrapping every class 'as is'
from bl_ui import properties_physics_dynamicpaint
for member in dir(properties_physics_dynamicpaint):
    subclass = getattr(properties_physics_dynamicpaint, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_physics_dynamicpaint

# Example of wrapping every class 'as is' except some
from bl_ui import properties_material
for member in dir(properties_material):
    subclass = getattr(properties_material, member)
    if subclass not in (properties_material.MATERIAL_PT_transp_game,
                        properties_material.MATERIAL_PT_game_settings,
                        properties_material.MATERIAL_PT_physics):
        try:
            #mat=context.material
            #if mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and not (mat.pov.material_use_nodes or mat.use_nodes):
            subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
        except:
            pass
del properties_material


from bl_ui import properties_data_camera
for member in dir(properties_data_camera):
    subclass = getattr(properties_data_camera, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_data_camera




from bl_ui import properties_particle as properties_particle
for member in dir(properties_particle):  # add all "particle" panels from blender
    subclass = getattr(properties_particle, member)
    try:
        subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    except:
        pass
del properties_particle

def check_add_mesh_extra_objects():
    if "add_mesh_extra_objects" in bpy.context.user_preferences.addons.keys():
        return True
    return False

def locate_docpath():
    addon_prefs = bpy.context.user_preferences.addons[__package__].preferences
    # Use the system preference if its set.
    pov_documents = addon_prefs.docpath_povray
    if pov_documents:
        if os.path.exists(pov_documents):
            return pov_documents
        else:
            print("User Preferences path to povray documents %r NOT FOUND, checking $PATH" % pov_documents)

    # Windows Only
    if sys.platform[:3] == "win":
        import winreg
        try:
            win_reg_key = winreg.OpenKey(winreg.HKEY_CURRENT_USER,
                "Software\\POV-Ray\\v3.7\\Windows")         
            win_docpath = winreg.QueryValueEx(win_reg_key, "DocPath")[0]
            pov_documents = os.path.join(win_docpath, "Insert Menu")
            if os.path.exists(pov_documents):
                return pov_documents
        except FileNotFoundError:
            return""
    # search the path all os's
    pov_documents_default = "include"

    os_path_ls = os.getenv("PATH").split(':') + [""]

    for dir_name in os_path_ls:
        pov_documents = os.path.join(dir_name, pov_documents_default)
        if os.path.exists(pov_documents):
            return pov_documents
    return ""
    
class RenderButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "render"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        rd = context.scene.render
        return (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)


class MaterialButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "material"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        mat = context.material
        rd = context.scene.render
        return mat and (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)


class TextureButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "texture"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        tex = context.texture
        rd = context.scene.render
        return tex and (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)

# class TextureTypePanel(TextureButtonsPanel):

    # @classmethod
    # def poll(cls, context):
        # tex = context.texture
        # engine = context.scene.render.engine
        # return tex and ((tex.type == cls.tex_type and not tex.use_nodes) and (engine in cls.COMPAT_ENGINES))


class ObjectButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "object"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        obj = context.object
        rd = context.scene.render
        return obj and (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)

class CameraDataButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "data"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        cam = context.camera
        rd = context.scene.render
        return cam and (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)

class WorldButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "world"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        wld = context.world
        rd = context.scene.render
        return wld and (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)

class TextButtonsPanel():
    bl_space_type = 'TEXT_EDITOR'
    bl_region_type = 'UI'
    bl_label = "POV-Ray"
    # COMPAT_ENGINES must be defined in each subclass, external engines can add themselves here

    @classmethod
    def poll(cls, context):
        text = context.space_data
        rd = context.scene.render
        return text and (rd.use_game_engine is False) and (rd.engine in cls.COMPAT_ENGINES)

from bl_ui import properties_data_mesh
# These panels are kept
properties_data_mesh.DATA_PT_custom_props_mesh.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_data_mesh.DATA_PT_context_mesh.COMPAT_ENGINES.add('POVRAY_RENDER')

## make some native panels contextual to some object variable
## by recreating custom panels inheriting their properties

class PovDataButtonsPanel(properties_data_mesh.MeshButtonsPanel):
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    POV_OBJECT_TYPES = {'PLANE', 'BOX', 'SPHERE', 'CYLINDER', 'CONE', 'TORUS', 'BLOB',
                        'ISOSURFACE', 'SUPERELLIPSOID', 'SUPERTORUS', 'HEIGHT_FIELD',
                        'PARAMETRIC', 'POLYCIRCLE'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        # We use our parent class poll func too, avoids to re-define too much things...
        return (super(PovDataButtonsPanel, cls).poll(context) and
                obj and obj.pov.object_as not in cls.POV_OBJECT_TYPES)


# We cannot inherit from RNA classes (like e.g. properties_data_mesh.DATA_PT_vertex_groups).
# Complex py/bpy/rna interactions (with metaclass and all) simply do not allow it to work.
# So we simply have to explicitly copy here the interesting bits. ;)
class DATA_PT_POV_normals(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_normals.bl_label

    draw = properties_data_mesh.DATA_PT_normals.draw


class DATA_PT_POV_texture_space(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_texture_space.bl_label
    bl_options = properties_data_mesh.DATA_PT_texture_space.bl_options

    draw = properties_data_mesh.DATA_PT_texture_space.draw


class DATA_PT_POV_vertex_groups(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_vertex_groups.bl_label

    draw = properties_data_mesh.DATA_PT_vertex_groups.draw


class DATA_PT_POV_shape_keys(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_shape_keys.bl_label

    draw = properties_data_mesh.DATA_PT_shape_keys.draw


class DATA_PT_POV_uv_texture(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_uv_texture.bl_label

    draw = properties_data_mesh.DATA_PT_uv_texture.draw


class DATA_PT_POV_vertex_colors(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_vertex_colors.bl_label

    draw = properties_data_mesh.DATA_PT_vertex_colors.draw


class DATA_PT_POV_customdata(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_mesh.DATA_PT_customdata.bl_label
    bl_options = properties_data_mesh.DATA_PT_customdata.bl_options
    draw = properties_data_mesh.DATA_PT_customdata.draw



del properties_data_mesh


################################################################################
# from bl_ui import properties_data_lamp
# for member in dir(properties_data_lamp):
    # subclass = getattr(properties_data_lamp, member)
    # try:
        # subclass.COMPAT_ENGINES.add('POVRAY_RENDER')
    # except:
        # pass
# del properties_data_lamp
#########################LAMPS################################

from bl_ui import properties_data_lamp

# These panels are kept
properties_data_lamp.DATA_PT_custom_props_lamp.COMPAT_ENGINES.add('POVRAY_RENDER')
properties_data_lamp.DATA_PT_context_lamp.COMPAT_ENGINES.add('POVRAY_RENDER')

## make some native panels contextual to some object variable
## by recreating custom panels inheriting their properties
class PovLampButtonsPanel(properties_data_lamp.DataButtonsPanel):
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    POV_OBJECT_TYPES = {'RAINBOW'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        # We use our parent class poll func too, avoids to re-define too much things...
        return (super(PovLampButtonsPanel, cls).poll(context) and
                obj and obj.pov.object_as not in cls.POV_OBJECT_TYPES)


# We cannot inherit from RNA classes (like e.g. properties_data_mesh.DATA_PT_vertex_groups).
# Complex py/bpy/rna interactions (with metaclass and all) simply do not allow it to work.
# So we simply have to explicitly copy here the interesting bits. ;)

class LAMP_PT_POV_preview(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_preview.bl_label

    draw = properties_data_lamp.DATA_PT_preview.draw

class LAMP_PT_POV_lamp(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_lamp.bl_label

    draw = properties_data_lamp.DATA_PT_lamp.draw

class LAMP_PT_POV_sunsky(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_sunsky.bl_label

    @classmethod
    def poll(cls, context):
        lamp = context.lamp
        engine = context.scene.render.engine
        return (lamp and lamp.type == 'SUN') and (engine in cls.COMPAT_ENGINES)

    draw = properties_data_lamp.DATA_PT_sunsky.draw

class LAMP_PT_POV_shadow(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_shadow.bl_label

    draw = properties_data_lamp.DATA_PT_shadow.draw

class LAMP_PT_POV_area(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_area.bl_label

    @classmethod
    def poll(cls, context):
        lamp = context.lamp
        engine = context.scene.render.engine
        return (lamp and lamp.type == 'AREA') and (engine in cls.COMPAT_ENGINES)

    draw = properties_data_lamp.DATA_PT_area.draw

class LAMP_PT_POV_spot(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_spot.bl_label

    @classmethod
    def poll(cls, context):
        lamp = context.lamp
        engine = context.scene.render.engine
        return (lamp and lamp.type == 'SPOT') and (engine in cls.COMPAT_ENGINES)
    draw = properties_data_lamp.DATA_PT_spot.draw

class LAMP_PT_POV_falloff_curve(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = properties_data_lamp.DATA_PT_falloff_curve.bl_label
    bl_options = properties_data_lamp.DATA_PT_falloff_curve.bl_options

    @classmethod
    def poll(cls, context):
        lamp = context.lamp
        engine = context.scene.render.engine

        return (lamp and lamp.type in {'POINT', 'SPOT'} and lamp.falloff_type == 'CUSTOM_CURVE') and (engine in cls.COMPAT_ENGINES)
    draw = properties_data_lamp.DATA_PT_falloff_curve.draw

class OBJECT_PT_povray_obj_rainbow(PovLampButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Rainbow"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'RAINBOW' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'RAINBOW':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Rainbow projection angle: " + str(obj.data.spot_size))
                col.label(text="Rainbow width: " + str(obj.data.spot_blend))
                col.label(text="Rainbow distance: " + str(obj.data.shadow_buffer_clip_start))
                col.label(text="Rainbow arc angle: " + str(obj.pov.arc_angle))
                col.label(text="Rainbow falloff angle: " + str(obj.pov.falloff_angle))

            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.cone_update", text="Update",icon="MESH_CONE")

                #col.label(text="Parameters:")
                col.prop(obj.data, "spot_size", text="Rainbow Projection Angle")
                col.prop(obj.data, "spot_blend", text="Rainbow width")
                col.prop(obj.data, "shadow_buffer_clip_start", text="Visibility distance")
                col.prop(obj.pov, "arc_angle")
                col.prop(obj.pov, "falloff_angle")

del properties_data_lamp
###############################################################################

class RENDER_PT_povray_export_settings(RenderButtonsPanel, bpy.types.Panel):
    bl_label = "INI Options"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}


    def draw_header(self, context):
        scene = context.scene
        if scene.pov.tempfiles_enable:
            self.layout.prop(scene.pov, "tempfiles_enable", text="", icon='AUTO')
        else:
            self.layout.prop(scene.pov, "tempfiles_enable", text="", icon='CONSOLE')

    def draw(self, context):
        layout = self.layout

        scene = context.scene

        layout.active = (scene.pov.max_trace_level != 0)
        split = layout.split()

        col = split.column()
        col.label(text="Command line switches:")
        col.prop(scene.pov, "command_line_switches", text="")
        split = layout.split()

        layout.active = not scene.pov.tempfiles_enable
        #if not scene.pov.tempfiles_enable:
        split.prop(scene.pov, "deletefiles_enable", text="Delete files")
        split.prop(scene.pov, "pov_editor", text="POV Editor")

        col = layout.column()
        col.prop(scene.pov, "scene_name", text="Name")
        col.prop(scene.pov, "scene_path", text="Path to files")
        #col.prop(scene.pov, "scene_path", text="Path to POV-file")
        #col.prop(scene.pov, "renderimage_path", text="Path to image")

        split = layout.split()
        split.prop(scene.pov, "indentation_character", text="Indent")
        if scene.pov.indentation_character == 'SPACE':
            split.prop(scene.pov, "indentation_spaces", text="Spaces")

        row = layout.row()
        row.prop(scene.pov, "comments_enable", text="Comments")
        row.prop(scene.pov, "list_lf_enable", text="Line breaks in lists")


class RENDER_PT_povray_render_settings(RenderButtonsPanel, bpy.types.Panel):
    bl_label = "Render Settings"
    bl_icon = 'SETTINGS'
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw_header(self, context):
        scene = context.scene
        if scene.pov.global_settings_advanced:
            self.layout.prop(scene.pov, "global_settings_advanced", text="", icon='PREFERENCES')
        else:
            self.layout.prop(scene.pov, "global_settings_advanced", text="", icon='SETTINGS')
    def draw(self, context):
        layout = self.layout

        scene = context.scene
        #layout.active = (scene.pov.max_trace_level != 0)

        col = layout.column()

        col.label(text="Global Settings:")
        col.prop(scene.pov, "max_trace_level", text="Ray Depth")

        layout.active = scene.pov.global_settings_advanced
        layout.prop(scene.pov,"charset")
        align = True
        row = layout.row(align = align)
        row.prop(scene.pov,"adc_bailout")
        row = layout.row(align = align)
        row.prop(scene.pov,"ambient_light")
        row = layout.row(align = align)
        row.prop(scene.pov,"irid_wavelength")
        row = layout.row(align = align)
        row.prop(scene.pov,"max_intersections")
        row = layout.row(align = align)
        row.prop(scene.pov,"number_of_waves")
        row = layout.row(align = align)
        row.prop(scene.pov,"noise_generator")

class RENDER_PT_povray_photons(RenderButtonsPanel, bpy.types.Panel):
    bl_label = "Photons"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    # def draw_header(self, context):
        # self.layout.label(icon='SETTINGS')

    def draw_header(self, context):
        scene = context.scene
        if scene.pov.photon_enable:
            self.layout.prop(scene.pov, "photon_enable", text="", icon='PMARKER_ACT')
        else:
            self.layout.prop(scene.pov, "photon_enable", text="", icon='PMARKER')
    def draw(self, context):
        scene = context.scene
        layout = self.layout
        layout.active = scene.pov.photon_enable
        col = layout.column()
        #col.label(text="Global Photons:")
        col.prop(scene.pov, "photon_max_trace_level", text="Photon Depth")

        split = layout.split()

        col = split.column()
        col.prop(scene.pov, "photon_spacing", text="Spacing")
        col.prop(scene.pov, "photon_gather_min")

        col = split.column()
        col.prop(scene.pov, "photon_adc_bailout", text="Photon ADC")
        col.prop(scene.pov, "photon_gather_max")


        box = layout.box()
        box.label('Photon Map File:')
        row = box.row()
        row.prop(scene.pov, "photon_map_file_save_load",expand = True)
        if scene.pov.photon_map_file_save_load in {'save'}:
            box.prop(scene.pov, "photon_map_dir")
            box.prop(scene.pov, "photon_map_filename")
        if scene.pov.photon_map_file_save_load in {'load'}:
            box.prop(scene.pov, "photon_map_file")
        #end main photons

class RENDER_PT_povray_antialias(RenderButtonsPanel, bpy.types.Panel):
    bl_label = "Anti-Aliasing"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}


    def draw_header(self, context):
        prefs = bpy.context.user_preferences.addons[__package__].preferences
        scene = context.scene
        if prefs.branch_feature_set_povray != 'uberpov' and scene.pov.antialias_method == '2':
            self.layout.prop(scene.pov, "antialias_enable", text="", icon='ERROR')
        elif scene.pov.antialias_enable:
            self.layout.prop(scene.pov, "antialias_enable", text="", icon='ANTIALIASED')
        else:
            self.layout.prop(scene.pov, "antialias_enable", text="", icon='ALIASED')

    def draw(self, context):
        prefs = bpy.context.user_preferences.addons[__package__].preferences
        layout = self.layout
        scene = context.scene

        layout.active = scene.pov.antialias_enable

        row = layout.row()
        row.prop(scene.pov, "antialias_method", text="")

        if prefs.branch_feature_set_povray != 'uberpov' and scene.pov.antialias_method == '2':
            col = layout.column()
            col.alignment = 'CENTER'
            col.label(text="Stochastic Anti Aliasing is")
            col.label(text="Only Available with UberPOV")
            col.label(text="Feature Set in User Preferences.")
            col.label(text="Using Type 2 (recursive) instead")
        else:
            row.prop(scene.pov, "jitter_enable", text="Jitter")

            split = layout.split()
            col = split.column()
            col.prop(scene.pov, "antialias_depth", text="AA Depth")
            sub = split.column()
            sub.prop(scene.pov, "jitter_amount", text="Jitter Amount")
            if scene.pov.jitter_enable:
                sub.enabled = True
            else:
                sub.enabled = False

            row = layout.row()
            row.prop(scene.pov, "antialias_threshold", text="AA Threshold")
            row.prop(scene.pov, "antialias_gamma", text="AA Gamma")

            if prefs.branch_feature_set_povray == 'uberpov':
                row = layout.row()
                row.prop(scene.pov, "antialias_confidence", text="AA Confidence")
                if scene.pov.antialias_method == '2':
                    row.enabled = True
                else:
                    row.enabled = False



class RENDER_PT_povray_radiosity(RenderButtonsPanel, bpy.types.Panel):
    bl_label = "Radiosity"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    def draw_header(self, context):
        scene = context.scene
        if scene.pov.radio_enable:
            self.layout.prop(scene.pov, "radio_enable", text="", icon='RADIO')
        else:
            self.layout.prop(scene.pov, "radio_enable", text="", icon='RADIOBUT_OFF')

    def draw(self, context):
        layout = self.layout

        scene = context.scene

        layout.active = scene.pov.radio_enable

        split = layout.split()

        col = split.column()
        col.prop(scene.pov, "radio_count", text="Rays")
        col.prop(scene.pov, "radio_recursion_limit", text="Recursions")

        split.prop(scene.pov, "radio_error_bound", text="Error Bound")

        layout.prop(scene.pov, "radio_display_advanced")

        if scene.pov.radio_display_advanced:
            split = layout.split()

            col = split.column()
            col.prop(scene.pov, "radio_adc_bailout", slider=True)
            col.prop(scene.pov, "radio_minimum_reuse", text="Min Reuse")
            col.prop(scene.pov, "radio_gray_threshold", slider=True)
            col.prop(scene.pov, "radio_pretrace_start", slider=True)
            col.prop(scene.pov, "radio_low_error_factor", slider=True)

            col = split.column()
            col.prop(scene.pov, "radio_brightness")
            col.prop(scene.pov, "radio_maximum_reuse", text="Max Reuse")
            col.prop(scene.pov, "radio_nearest_count")
            col.prop(scene.pov, "radio_pretrace_end", slider=True)

            col = layout.column()
            col.label(text="Estimation Influence:")
            col.prop(scene.pov, "radio_always_sample")
            col.prop(scene.pov, "radio_normal")
            col.prop(scene.pov, "radio_media")
            col.prop(scene.pov, "radio_subsurface")



class RENDER_PT_povray_media(WorldButtonsPanel, bpy.types.Panel):
    bl_label = "Atmosphere Media"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw_header(self, context):
        scene = context.scene

        self.layout.prop(scene.pov, "media_enable", text="")

    def draw(self, context):
        layout = self.layout

        scene = context.scene

        layout.active = scene.pov.media_enable

        row = layout.row()
        row.prop(scene.pov, "media_samples", text="Samples")
        row.prop(scene.pov, "media_color", text="")

##class RENDER_PT_povray_baking(RenderButtonsPanel, bpy.types.Panel):
##    bl_label = "Baking"
##    COMPAT_ENGINES = {'POVRAY_RENDER'}
##
##    def draw_header(self, context):
##        scene = context.scene
##
##        self.layout.prop(scene.pov, "baking_enable", text="")
##
##    def draw(self, context):
##        layout = self.layout
##
##        scene = context.scene
##        rd = scene.render
##
##        layout.active = scene.pov.baking_enable

class MATERIAL_PT_povray_activate_node(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "Activate Node Settings"
    bl_context = "material"
    bl_options = {'HIDE_HEADER'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        mat=context.material
        ob = context.object
        return mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and not (mat.pov.material_use_nodes or mat.use_nodes)

    def draw(self, context):
        layout = self.layout
        # layout.operator("pov.material_use_nodes", icon='SOUND')#'NODETREE')
        # the above replaced with a context hook below:
        layout.operator("WM_OT_context_toggle", text="Use POV-Ray Nodes", icon='NODETREE').data_path = \
                        "material.pov.material_use_nodes"

class MATERIAL_PT_povray_active_node(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "Active Node Settings"
    bl_context = "material"
    bl_options = {'HIDE_HEADER'}
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        mat=context.material
        ob = context.object
        return mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and mat.pov.material_use_nodes


    def draw(self, context):
        layout = self.layout
        mat = context.material
        node_tree = mat.node_tree
        if node_tree:
            node = node_tree.nodes.active
            if mat.use_nodes:
                if node:
                    layout.prop(mat.pov,"material_active_node")
                    if node.bl_idname=="PovrayMaterialNode":
                        layout.context_pointer_set("node", node)
                        if hasattr(node, "draw_buttons_ext"):
                            node.draw_buttons_ext(context, layout)
                        elif hasattr(node, "draw_buttons"):
                            node.draw_buttons(context, layout)
                        value_inputs = [socket for socket in node.inputs if socket.enabled and not socket.is_linked]
                        if value_inputs:
                            layout.separator()
                            layout.label("Inputs:")
                            for socket in value_inputs:
                                row = layout.row()
                                socket.draw(context, row, node, socket.name)
                    else:
                        layout.context_pointer_set("node", node)
                        if hasattr(node, "draw_buttons_ext"):
                            node.draw_buttons_ext(context, layout)
                        elif hasattr(node, "draw_buttons"):
                            node.draw_buttons(context, layout)
                        value_inputs = [socket for socket in node.inputs if socket.enabled and not socket.is_linked]
                        if value_inputs:
                            layout.separator()
                            layout.label("Inputs:")
                            for socket in value_inputs:
                                row = layout.row()
                                socket.draw(context, row, node, socket.name)
                else:
                    layout.label("No active nodes!")


class MATERIAL_PT_povray_reflection(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Reflection"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        mat=context.material
        ob = context.object
        return mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and not (mat.pov.material_use_nodes or mat.use_nodes)

    def draw(self, context):
        layout = self.layout
        mat = context.material
        col = layout.column()
        col.prop(mat.pov, "irid_enable")
        if mat.pov.irid_enable:
            col = layout.column()
            col.prop(mat.pov, "irid_amount", slider=True)
            col.prop(mat.pov, "irid_thickness", slider=True)
            col.prop(mat.pov, "irid_turbulence", slider=True)
        col.prop(mat.pov, "conserve_energy")
        col2=col.split().column()

        if not mat.raytrace_mirror.use:
            col2.label(text="Please Check Mirror settings :")
        col2.active = mat.raytrace_mirror.use
        col2.prop(mat.pov, "mirror_use_IOR")
        if mat.pov.mirror_use_IOR:
            col2.alignment = 'CENTER'
            col2.label(text="The current Raytrace ")
            col2.label(text="Transparency IOR is: " + str(mat.raytrace_transparency.ior))
        col2.prop(mat.pov, "mirror_metallic")


class MATERIAL_PT_povray_fade_color(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Absorption"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        mat=context.material
        ob = context.object
        return mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and not (mat.pov.material_use_nodes or mat.use_nodes)


    def draw_header(self, context):
        mat = context.material

        self.layout.prop(mat.pov, "interior_fade_color", text="")

    def draw(self, context):
        layout = self.layout
        mat = context.material
        # layout.active = mat.pov.interior_fade_color
        if mat.pov.interior_fade_color != (0.0, 0.0, 0.0):
            layout.label(text="Raytrace transparency")
            layout.label(text="depth max Limit needs")
            layout.label(text="to be non zero to fade")

        pass


class MATERIAL_PT_povray_caustics(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "Caustics"
    COMPAT_ENGINES = {'POVRAY_RENDER'}


    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        mat=context.material
        ob = context.object
        return mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and not (mat.pov.material_use_nodes or mat.use_nodes)


    def draw_header(self, context):
        mat = context.material
        if mat.pov.caustics_enable:
            self.layout.prop(mat.pov, "caustics_enable", text="", icon="PMARKER_SEL" )
        else:
            self.layout.prop(mat.pov, "caustics_enable", text="", icon="PMARKER" )
    def draw(self, context):

        layout = self.layout

        mat = context.material
        layout.active = mat.pov.caustics_enable
        col = layout.column()
        if mat.pov.caustics_enable:
            col.prop(mat.pov, "refraction_caustics")
            if mat.pov.refraction_caustics:

                col.prop(mat.pov, "refraction_type", text="")

                if mat.pov.refraction_type == "1":
                    col.prop(mat.pov, "fake_caustics_power", slider=True)
                elif mat.pov.refraction_type == "2":
                    col.prop(mat.pov, "photons_dispersion", slider=True)
                    col.prop(mat.pov, "photons_dispersion_samples", slider=True)
            col.prop(mat.pov, "photons_reflection")

            if not mat.pov.refraction_caustics and not mat.pov.photons_reflection:
                col = layout.column()
                col.alignment = 'CENTER'
                col.label(text="Caustics override is on, ")
                col.label(text="but you didn't chose any !")


class MATERIAL_PT_povray_replacement_text(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "Custom POV Code"
    COMPAT_ENGINES = {'POVRAY_RENDER'}


    def draw(self, context):
        layout = self.layout

        mat = context.material

        col = layout.column()
        col.label(text="Replace properties with:")