shading_nodes.py

# SPDX-License-Identifier: GPL-2.0-or-later

# <pep8 compliant>
""""Nodes based User interface for shaders exported to POV textures."""
import bpy

from bpy.utils import register_class, unregister_class
from bpy.types import Menu, Node, NodeSocket, CompositorNodeTree, TextureNodeTree, Operator
from bpy.props import (
    StringProperty,
    BoolProperty,
    IntProperty,
    FloatProperty,
    FloatVectorProperty,
    EnumProperty,
)
import nodeitems_utils
from nodeitems_utils import NodeCategory, NodeItem


# ---------------------------------------------------------------- #
# Pov Nodes init
# ---------------------------------------------------------------- #


class PovraySocketUniversal(NodeSocket):
    bl_idname = "PovraySocketUniversal"
    bl_label = "Povray Socket"
    value_unlimited: bpy.props.FloatProperty(default=0.0)
    value_0_1: bpy.props.FloatProperty(min=0.0, max=1.0, default=0.0)
    value_0_10: bpy.props.FloatProperty(min=0.0, max=10.0, default=0.0)
    value_000001_10: bpy.props.FloatProperty(min=0.000001, max=10.0, default=0.0)
    value_1_9: bpy.props.IntProperty(min=1, max=9, default=1)
    value_0_255: bpy.props.IntProperty(min=0, max=255, default=0)
    percent: bpy.props.FloatProperty(min=0.0, max=100.0, default=0.0)

    def draw(self, context, layout, node, text):
        space = context.space_data
        tree = space.edit_tree
        links = tree.links
        if self.is_linked:
            value = []
            for link in links:
                if link.from_node == node:
                    inps = link.to_node.inputs
                    for inp in inps:
                        if inp.bl_idname == "PovraySocketFloat_0_1" and inp.is_linked:
                            prop = "value_0_1"
                            if prop not in value:
                                value.append(prop)
                        if inp.bl_idname == "PovraySocketFloat_000001_10" and inp.is_linked:
                            prop = "value_000001_10"
                            if prop not in value:
                                value.append(prop)
                        if inp.bl_idname == "PovraySocketFloat_0_10" and inp.is_linked:
                            prop = "value_0_10"
                            if prop not in value:
                                value.append(prop)
                        if inp.bl_idname == "PovraySocketInt_1_9" and inp.is_linked:
                            prop = "value_1_9"
                            if prop not in value:
                                value.append(prop)
                        if inp.bl_idname == "PovraySocketInt_0_255" and inp.is_linked:
                            prop = "value_0_255"
                            if prop not in value:
                                value.append(prop)
                        if inp.bl_idname == "PovraySocketFloatUnlimited" and inp.is_linked:
                            prop = "value_unlimited"
                            if prop not in value:
                                value.append(prop)
            if len(value) == 1:
                layout.prop(self, "%s" % value[0], text=text)
            else:
                layout.prop(self, "percent", text="Percent")
        else:
            layout.prop(self, "percent", text=text)

    def draw_color(self, context, node):
        return (1, 0, 0, 1)


class PovraySocketFloat_0_1(NodeSocket):
    bl_idname = "PovraySocketFloat_0_1"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(
        description="Input node Value_0_1", min=0, max=1, default=0
    )

    def draw(self, context, layout, node, text):
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text, slider=True)

    def draw_color(self, context, node):
        return (0.5, 0.7, 0.7, 1)


class PovraySocketFloat_0_10(NodeSocket):
    bl_idname = "PovraySocketFloat_0_10"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(
        description="Input node Value_0_10", min=0, max=10, default=0
    )

    def draw(self, context, layout, node, text):
        if node.bl_idname == "ShaderNormalMapNode" and node.inputs[2].is_linked:
            layout.label(text="")
            self.hide_value = True
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text, slider=True)

    def draw_color(self, context, node):
        return (0.65, 0.65, 0.65, 1)


class PovraySocketFloat_10(NodeSocket):
    bl_idname = "PovraySocketFloat_10"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(
        description="Input node Value_10", min=-10, max=10, default=0
    )

    def draw(self, context, layout, node, text):
        if node.bl_idname == "ShaderNormalMapNode" and node.inputs[2].is_linked:
            layout.label(text="")
            self.hide_value = True
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text, slider=True)

    def draw_color(self, context, node):
        return (0.65, 0.65, 0.65, 1)


class PovraySocketFloatPositive(NodeSocket):
    bl_idname = "PovraySocketFloatPositive"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(
        description="Input Node Value Positive", min=0.0, default=0
    )

    def draw(self, context, layout, node, text):
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text, slider=True)

    def draw_color(self, context, node):
        return (0.045, 0.005, 0.136, 1)


class PovraySocketFloat_000001_10(NodeSocket):
    bl_idname = "PovraySocketFloat_000001_10"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(min=0.000001, max=10, default=0.000001)

    def draw(self, context, layout, node, text):
        if self.is_output or self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text, slider=True)

    def draw_color(self, context, node):
        return (1, 0, 0, 1)


class PovraySocketFloatUnlimited(NodeSocket):
    bl_idname = "PovraySocketFloatUnlimited"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(default=0.0)

    def draw(self, context, layout, node, text):
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text, slider=True)

    def draw_color(self, context, node):
        return (0.7, 0.7, 1, 1)


class PovraySocketInt_1_9(NodeSocket):
    bl_idname = "PovraySocketInt_1_9"
    bl_label = "Povray Socket"
    default_value: bpy.props.IntProperty(
        description="Input node Value_1_9", min=1, max=9, default=6
    )

    def draw(self, context, layout, node, text):
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text)

    def draw_color(self, context, node):
        return (1, 0.7, 0.7, 1)


class PovraySocketInt_0_256(NodeSocket):
    bl_idname = "PovraySocketInt_0_256"
    bl_label = "Povray Socket"
    default_value: bpy.props.IntProperty(min=0, max=255, default=0)

    def draw(self, context, layout, node, text):
        if self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text)

    def draw_color(self, context, node):
        return (0.5, 0.5, 0.5, 1)


class PovraySocketPattern(NodeSocket):
    bl_idname = "PovraySocketPattern"
    bl_label = "Povray Socket"

    default_value: bpy.props.EnumProperty(
        name="Pattern",
        description="Select the pattern",
        items=(
            ("boxed", "Boxed", ""),
            ("brick", "Brick", ""),
            ("cells", "Cells", ""),
            ("checker", "Checker", ""),
            ("granite", "Granite", ""),
            ("leopard", "Leopard", ""),
            ("marble", "Marble", ""),
            ("onion", "Onion", ""),
            ("planar", "Planar", ""),
            ("quilted", "Quilted", ""),
            ("ripples", "Ripples", ""),
            ("radial", "Radial", ""),
            ("spherical", "Spherical", ""),
            ("spotted", "Spotted", ""),
            ("waves", "Waves", ""),
            ("wood", "Wood", ""),
            ("wrinkles", "Wrinkles", ""),
        ),
        default="granite",
    )

    def draw(self, context, layout, node, text):
        if self.is_output or self.is_linked:
            layout.label(text="Pattern")
        else:
            layout.prop(self, "default_value", text=text)

    def draw_color(self, context, node):
        return (1, 1, 1, 1)


class PovraySocketColor(NodeSocket):
    bl_idname = "PovraySocketColor"
    bl_label = "Povray Socket"

    default_value: FloatVectorProperty(
        precision=4,
        step=0.01,
        min=0,
        soft_max=1,
        default=(0.0, 0.0, 0.0),
        options={"ANIMATABLE"},
        subtype="COLOR",
    )

    def draw(self, context, layout, node, text):
        if self.is_output or self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text)

    def draw_color(self, context, node):
        return (1, 1, 0, 1)


class PovraySocketColorRGBFT(NodeSocket):
    bl_idname = "PovraySocketColorRGBFT"
    bl_label = "Povray Socket"

    default_value: FloatVectorProperty(
        precision=4,
        step=0.01,
        min=0,
        soft_max=1,
        default=(0.0, 0.0, 0.0),
        options={"ANIMATABLE"},
        subtype="COLOR",
    )
    f: bpy.props.FloatProperty(default=0.0, min=0.0, max=1.0)
    t: bpy.props.FloatProperty(default=0.0, min=0.0, max=1.0)

    def draw(self, context, layout, node, text):
        if self.is_output or self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text=text)

    def draw_color(self, context, node):
        return (1, 1, 0, 1)


class PovraySocketTexture(NodeSocket):
    bl_idname = "PovraySocketTexture"
    bl_label = "Povray Socket"
    default_value: bpy.props.IntProperty()

    def draw(self, context, layout, node, text):
        layout.label(text=text)

    def draw_color(self, context, node):
        return (0, 1, 0, 1)


class PovraySocketTransform(NodeSocket):
    bl_idname = "PovraySocketTransform"
    bl_label = "Povray Socket"
    default_value: bpy.props.IntProperty(min=0, max=255, default=0)

    def draw(self, context, layout, node, text):
        layout.label(text=text)

    def draw_color(self, context, node):
        return (99 / 255, 99 / 255, 199 / 255, 1)


class PovraySocketNormal(NodeSocket):
    bl_idname = "PovraySocketNormal"
    bl_label = "Povray Socket"
    default_value: bpy.props.IntProperty(min=0, max=255, default=0)

    def draw(self, context, layout, node, text):
        layout.label(text=text)

    def draw_color(self, context, node):
        return (0.65, 0.65, 0.65, 1)


class PovraySocketSlope(NodeSocket):
    bl_idname = "PovraySocketSlope"
    bl_label = "Povray Socket"
    default_value: bpy.props.FloatProperty(min=0.0, max=1.0)
    height: bpy.props.FloatProperty(min=0.0, max=10.0)
    slope: bpy.props.FloatProperty(min=-10.0, max=10.0)

    def draw(self, context, layout, node, text):
        if self.is_output or self.is_linked:
            layout.label(text=text)
        else:
            layout.prop(self, "default_value", text="")
            layout.prop(self, "height", text="")
            layout.prop(self, "slope", text="")

    def draw_color(self, context, node):
        return (0, 0, 0, 1)


class PovraySocketMap(NodeSocket):
    bl_idname = "PovraySocketMap"
    bl_label = "Povray Socket"
    default_value: bpy.props.StringProperty()

    def draw(self, context, layout, node, text):
        layout.label(text=text)

    def draw_color(self, context, node):
        return (0.2, 0, 0.2, 1)


class PovrayShaderNodeCategory(NodeCategory):
    @classmethod
    def poll(cls, context):
        return context.space_data.tree_type == "ObjectNodeTree"


class PovrayTextureNodeCategory(NodeCategory):
    @classmethod
    def poll(cls, context):
        return context.space_data.tree_type == "TextureNodeTree"


class PovraySceneNodeCategory(NodeCategory):
    @classmethod
    def poll(cls, context):
        return context.space_data.tree_type == "CompositorNodeTree"


node_categories = [
    PovrayShaderNodeCategory("SHADEROUTPUT", "Output", items=[NodeItem("PovrayOutputNode")]),
    PovrayShaderNodeCategory("SIMPLE", "Simple texture", items=[NodeItem("PovrayTextureNode")]),
    PovrayShaderNodeCategory(
        "MAPS",
        "Maps",
        items=[
            NodeItem("PovrayBumpMapNode"),
            NodeItem("PovrayColorImageNode"),
            NodeItem("ShaderNormalMapNode"),
            NodeItem("PovraySlopeNode"),
            NodeItem("ShaderTextureMapNode"),
            NodeItem("ShaderNodeValToRGB"),
        ],
    ),
    PovrayShaderNodeCategory(
        "OTHER",
        "Other patterns",
        items=[NodeItem("PovrayImagePatternNode"), NodeItem("ShaderPatternNode")],
    ),
    PovrayShaderNodeCategory("COLOR", "Color", items=[NodeItem("PovrayPigmentNode")]),
    PovrayShaderNodeCategory(
        "TRANSFORM",
        "Transform",
        items=[
            NodeItem("PovrayMappingNode"),
            NodeItem("PovrayMultiplyNode"),
            NodeItem("PovrayModifierNode"),
            NodeItem("PovrayTransformNode"),
            NodeItem("PovrayValueNode"),
        ],
    ),
    PovrayShaderNodeCategory(
        "FINISH",
        "Finish",
        items=[
            NodeItem("PovrayFinishNode"),
            NodeItem("PovrayDiffuseNode"),
            NodeItem("PovraySpecularNode"),
            NodeItem("PovrayPhongNode"),
            NodeItem("PovrayAmbientNode"),
            NodeItem("PovrayMirrorNode"),
            NodeItem("PovrayIridescenceNode"),
            NodeItem("PovraySubsurfaceNode"),
        ],
    ),
    PovrayShaderNodeCategory(
        "CYCLES",
        "Cycles",
        items=[
            NodeItem("ShaderNodeAddShader"),
            NodeItem("ShaderNodeAmbientOcclusion"),
            NodeItem("ShaderNodeAttribute"),
            NodeItem("ShaderNodeBackground"),
            NodeItem("ShaderNodeBlackbody"),
            NodeItem("ShaderNodeBrightContrast"),
            NodeItem("ShaderNodeBsdfAnisotropic"),
            NodeItem("ShaderNodeBsdfDiffuse"),
            NodeItem("ShaderNodeBsdfGlass"),
            NodeItem("ShaderNodeBsdfGlossy"),
            NodeItem("ShaderNodeBsdfHair"),
            NodeItem("ShaderNodeBsdfRefraction"),
            NodeItem("ShaderNodeBsdfToon"),
            NodeItem("ShaderNodeBsdfTranslucent"),
            NodeItem("ShaderNodeBsdfTransparent"),
            NodeItem("ShaderNodeBsdfVelvet"),
            NodeItem("ShaderNodeBump"),
            NodeItem("ShaderNodeCameraData"),
            NodeItem("ShaderNodeCombineHSV"),
            NodeItem("ShaderNodeCombineRGB"),
            NodeItem("ShaderNodeCombineXYZ"),
            NodeItem("ShaderNodeEmission"),
            NodeItem("ShaderNodeExtendedMaterial"),
            NodeItem("ShaderNodeFresnel"),
            NodeItem("ShaderNodeGamma"),
            NodeItem("ShaderNodeGeometry"),
            NodeItem("ShaderNodeGroup"),
            NodeItem("ShaderNodeHairInfo"),
            NodeItem("ShaderNodeHoldout"),
            NodeItem("ShaderNodeHueSaturation"),
            NodeItem("ShaderNodeInvert"),
            NodeItem("ShaderNodeLampData"),
            NodeItem("ShaderNodeLayerWeight"),
            NodeItem("ShaderNodeLightFalloff"),
            NodeItem("ShaderNodeLightPath"),
            NodeItem("ShaderNodeMapping"),
            NodeItem("ShaderNodeMaterial"),
            NodeItem("ShaderNodeMath"),
            NodeItem("ShaderNodeMixRGB"),
            NodeItem("ShaderNodeMixShader"),
            NodeItem("ShaderNodeNewGeometry"),
            NodeItem("ShaderNodeNormal"),
            NodeItem("ShaderNodeNormalMap"),
            NodeItem("ShaderNodeObjectInfo"),
            NodeItem("ShaderNodeOutput"),
            NodeItem("ShaderNodeOutputLamp"),
            NodeItem("ShaderNodeOutputLineStyle"),
            NodeItem("ShaderNodeOutputMaterial"),
            NodeItem("ShaderNodeOutputWorld"),
            NodeItem("ShaderNodeParticleInfo"),
            NodeItem("ShaderNodeRGB"),
            NodeItem("ShaderNodeRGBCurve"),
            NodeItem("ShaderNodeRGBToBW"),
            NodeItem("ShaderNodeScript"),
            NodeItem("ShaderNodeSeparateHSV"),
            NodeItem("ShaderNodeSeparateRGB"),
            NodeItem("ShaderNodeSeparateXYZ"),
            NodeItem("ShaderNodeSqueeze"),
            NodeItem("ShaderNodeSubsurfaceScattering"),
            NodeItem("ShaderNodeTangent"),
            NodeItem("ShaderNodeTexBrick"),
            NodeItem("ShaderNodeTexChecker"),
            NodeItem("ShaderNodeTexCoord"),
            NodeItem("ShaderNodeTexEnvironment"),
            NodeItem("ShaderNodeTexGradient"),
            NodeItem("ShaderNodeTexImage"),
            NodeItem("ShaderNodeTexMagic"),
            NodeItem("ShaderNodeTexMusgrave"),
            NodeItem("ShaderNodeTexNoise"),
            NodeItem("ShaderNodeTexPointDensity"),
            NodeItem("ShaderNodeTexSky"),
            NodeItem("ShaderNodeTexVoronoi"),
            NodeItem("ShaderNodeTexWave"),
            NodeItem("ShaderNodeTexture"),
            NodeItem("ShaderNodeUVAlongStroke"),
            NodeItem("ShaderNodeUVMap"),
            NodeItem("ShaderNodeValToRGB"),
            NodeItem("ShaderNodeValue"),
            NodeItem("ShaderNodeVectorCurve"),
            NodeItem("ShaderNodeVectorMath"),
            NodeItem("ShaderNodeVectorTransform"),
            NodeItem("ShaderNodeVolumeAbsorption"),
            NodeItem("ShaderNodeVolumeScatter"),
            NodeItem("ShaderNodeWavelength"),
            NodeItem("ShaderNodeWireframe"),
        ],
    ),
    PovrayTextureNodeCategory(
        "TEXTUREOUTPUT",
        "Output",
        items=[NodeItem("TextureNodeValToRGB"), NodeItem("TextureOutputNode")],
    ),
    PovraySceneNodeCategory("ISOSURFACE", "Isosurface", items=[NodeItem("IsoPropsNode")]),
    PovraySceneNodeCategory("FOG", "Fog", items=[NodeItem("PovrayFogNode")]),
]
# -------- end nodes init
# -------- nodes ui
# -------- Nodes

# def find_node_input(node, name):
# for input in node.inputs:
# if input.name == name:
# return input

# def panel_node_draw(layout, id_data, output_type, input_name):
# if not id_data.use_nodes:
# #layout.operator("pov.material_use_nodes", icon='SOUND')#'NODETREE')
# #layout.operator("pov.use_shading_nodes", icon='NODETREE')
# layout.operator("WM_OT_context_toggle", icon='NODETREE').data_path = \
# "material.pov.material_use_nodes"
# return False

# ntree = id_data.node_tree

# node = find_node(id_data, output_type)
# if not node:
# layout.label(text="No output node")
# else:
# input = find_node_input(node, input_name)
# layout.template_node_view(ntree, node, input)

# return True


class NODE_MT_POV_map_create(Menu):
    """Create maps"""

    bl_idname = "POVRAY_MT_node_map_create"
    bl_label = "Create map"

    def draw(self, context):
        layout = self.layout
        layout.operator("node.map_create")


def menu_func_nodes(self, context):
    ob = context.object
    if hasattr(ob, 'active_material'):
        mat = context.object.active_material
        if mat and context.space_data.tree_type == 'ObjectNodeTree':
            self.layout.prop(mat.pov, "material_use_nodes")
            self.layout.menu(NODE_MT_POV_map_create.bl_idname)
            self.layout.operator("wm.updatepreviewkey")
        if hasattr(mat, 'active_texture') and context.scene.render.engine == 'POVRAY_RENDER':
            tex = mat.active_texture
            if tex and context.space_data.tree_type == 'TextureNodeTree':
                self.layout.prop(tex.pov, "texture_use_nodes")


# -------- object


class ObjectNodeTree(bpy.types.NodeTree):
    """Povray Material Nodes"""

    bl_idname = 'ObjectNodeTree'
    bl_label = 'Povray Object Nodes'
    bl_icon = 'PLUGIN'

    @classmethod
    def poll(cls, context):
        return context.scene.render.engine == 'POVRAY_RENDER'

    @classmethod
    def get_from_context(cls, context):
        ob = context.active_object
        if ob and ob.type not in {'LIGHT'}:
            ma = ob.active_material
            if ma is not None:
                nt_name = ma.node_tree
                if nt_name != '':
                    return nt_name, ma, ma
        return (None, None, None)

    def update(self):
        self.refresh = True


# -------- output # ---------------------------------------------------------------- #


class PovrayOutputNode(Node, ObjectNodeTree):
    """Output"""

    bl_idname = 'PovrayOutputNode'
    bl_label = 'Output'
    bl_icon = 'SHADING_TEXTURE'

    def init(self, context):

        self.inputs.new('PovraySocketTexture', "Texture")

    def draw_buttons(self, context, layout):

        ob = context.object
        layout.prop(ob.pov, "object_ior", slider=True)

    def draw_buttons_ext(self, context, layout):

        ob = context.object
        layout.prop(ob.pov, "object_ior", slider=True)

    def draw_label(self):
        return "Output"


# -------- material # ---------------------------------------------------------------- #
class PovrayTextureNode(Node, ObjectNodeTree):
    """Texture"""

    bl_idname = 'PovrayTextureNode'
    bl_label = 'Simple texture'
    bl_icon = 'SHADING_TEXTURE'

    def init(self, context):

        color = self.inputs.new('PovraySocketColor', "Pigment")
        color.default_value = (1, 1, 1)
        normal = self.inputs.new('NodeSocketFloat', "Normal")
        normal.hide_value = True
        finish = self.inputs.new('NodeSocketVector', "Finish")
        finish.hide_value = True

        self.outputs.new('PovraySocketTexture', "Texture")

    def draw_label(self):
        return "Simple texture"


class PovrayFinishNode(Node, ObjectNodeTree):
    """Finish"""

    bl_idname = 'PovrayFinishNode'
    bl_label = 'Finish'
    bl_icon = 'SHADING_TEXTURE'

    def init(self, context):

        self.inputs.new('PovraySocketFloat_0_1', "Emission")
        ambient = self.inputs.new('NodeSocketVector', "Ambient")
        ambient.hide_value = True
        diffuse = self.inputs.new('NodeSocketVector', "Diffuse")
        diffuse.hide_value = True
        specular = self.inputs.new('NodeSocketVector', "Highlight")
        specular.hide_value = True
        mirror = self.inputs.new('NodeSocketVector', "Mirror")
        mirror.hide_value = True
        iridescence = self.inputs.new('NodeSocketVector', "Iridescence")
        iridescence.hide_value = True
        subsurface = self.inputs.new('NodeSocketVector', "Translucency")
        subsurface.hide_value = True
        self.outputs.new('NodeSocketVector', "Finish")

    def draw_label(self):
        return "Finish"


class PovrayDiffuseNode(Node, ObjectNodeTree):
    """Diffuse"""

    bl_idname = 'PovrayDiffuseNode'
    bl_label = 'Diffuse'
    bl_icon = 'MATSPHERE'

    def init(self, context):

        intensity = self.inputs.new('PovraySocketFloat_0_1', "Intensity")
        intensity.default_value = 0.8
        albedo = self.inputs.new('NodeSocketBool', "Albedo")
        albedo.default_value = False
        brilliance = self.inputs.new('PovraySocketFloat_0_10', "Brilliance")
        brilliance.default_value = 1.8
        self.inputs.new('PovraySocketFloat_0_1', "Crand")
        self.outputs.new('NodeSocketVector', "Diffuse")

    def draw_label(self):
        return "Diffuse"


class PovrayPhongNode(Node, ObjectNodeTree):
    """Phong"""

    bl_idname = 'PovrayPhongNode'
    bl_label = 'Phong'
    bl_icon = 'MESH_UVSPHERE'

    def init(self, context):

        albedo = self.inputs.new('NodeSocketBool', "Albedo")
        intensity = self.inputs.new('PovraySocketFloat_0_1', "Intensity")
        intensity.default_value = 0.8
        phong_size = self.inputs.new('PovraySocketInt_0_256', "Size")
        phong_size.default_value = 60
        metallic = self.inputs.new('PovraySocketFloat_0_1', "Metallic")

        self.outputs.new('NodeSocketVector', "Phong")

    def draw_label(self):
        return "Phong"


class PovraySpecularNode(Node, ObjectNodeTree):
    """Specular"""

    bl_idname = 'PovraySpecularNode'
    bl_label = 'Specular'
    bl_icon = 'MESH_UVSPHERE'

    def init(self, context):

        albedo = self.inputs.new('NodeSocketBool', "Albedo")
        intensity = self.inputs.new('PovraySocketFloat_0_1', "Intensity")
        intensity.default_value = 0.8
        roughness = self.inputs.new('PovraySocketFloat_0_1', "Roughness")
        roughness.default_value = 0.02
        metallic = self.inputs.new('PovraySocketFloat_0_1', "Metallic")

        self.outputs.new('NodeSocketVector', "Specular")

    def draw_label(self):
        return "Specular"


class PovrayMirrorNode(Node, ObjectNodeTree):
    """Mirror"""

    bl_idname = 'PovrayMirrorNode'
    bl_label = 'Mirror'
    bl_icon = 'SHADING_TEXTURE'

    def init(self, context):

        color = self.inputs.new('PovraySocketColor', "Color")
        color.default_value = (1, 1, 1)
        metallic = self.inputs.new('PovraySocketFloat_0_1', "Metallic")
        metallic.default_value = 1.0
        exponent = self.inputs.new('PovraySocketFloat_0_1', "Exponent")
        exponent.default_value = 1.0
        self.inputs.new('PovraySocketFloat_0_1', "Falloff")
        self.inputs.new('NodeSocketBool', "Fresnel")
        self.inputs.new('NodeSocketBool', "Conserve energy")
        self.outputs.new('NodeSocketVector', "Mirror")

    def draw_label(self):
        return "Mirror"


class PovrayAmbientNode(Node, ObjectNodeTree):
    """Ambient"""

    bl_idname = 'PovrayAmbientNode'
    bl_label = 'Ambient'
    bl_icon = 'SHADING_SOLID'

    def init(self, context):

        self.inputs.new('PovraySocketColor', "Ambient")

        self.outputs.new('NodeSocketVector', "Ambient")

    def draw_label(self):
        return "Ambient"


class PovrayIridescenceNode(Node, ObjectNodeTree):
    """Iridescence"""

    bl_idname = 'PovrayIridescenceNode'
    bl_label = 'Iridescence'
    bl_icon = 'MESH_UVSPHERE'

    def init(self, context):

        amount = self.inputs.new('NodeSocketFloat', "Amount")
        amount.default_value = 0.25
        thickness = self.inputs.new('NodeSocketFloat', "Thickness")
        thickness.default_value = 1
        self.inputs.new('NodeSocketFloat', "Turbulence")

        self.outputs.new('NodeSocketVector', "Iridescence")

    def draw_label(self):
        return "Iridescence"


class PovraySubsurfaceNode(Node, ObjectNodeTree):
    """Subsurface"""

    bl_idname = 'PovraySubsurfaceNode'
    bl_label = 'Subsurface'
    bl_icon = 'MESH_UVSPHERE'

    def init(self, context):

        translucency = self.inputs.new('NodeSocketColor', "Translucency")
        translucency.default_value = (0, 0, 0, 1)
        energy = self.inputs.new('PovraySocketInt_0_256', "Energy")
        energy.default_value = 20
        self.outputs.new('NodeSocketVector', "Translucency")

    def draw_buttons(self, context, layout):
        scene = context.scene
        layout.prop(scene.pov, "sslt_enable", text="SSLT")

    def draw_buttons_ext(self, context, layout):
        scene = context.scene
        layout.prop(scene.pov, "sslt_enable", text="SSLT")

    def draw_label(self):
        return "Subsurface"


# ---------------------------------------------------------------- #


class PovrayMappingNode(Node, ObjectNodeTree):
    """Mapping"""

    bl_idname = 'PovrayMappingNode'
    bl_label = 'Mapping'
    bl_icon = 'NODE_TEXTURE'

    warp_type: EnumProperty(
        name="Warp Types",
        description="Select the type of warp",
        items=(
            ('cubic', "Cubic", ""),
            ('cylindrical', "Cylindrical", ""),
            ('planar', "Planar", ""),
            ('spherical', "Spherical", ""),
            ('toroidal', "Toroidal", ""),
            ('uv_mapping', "UV", ""),
            ('NONE', "None", "No indentation"),
        ),
        default='NONE',
    )

    warp_orientation: EnumProperty(
        name="Warp Orientation",
        description="Select the orientation of warp",
        items=(('x', "X", ""), ('y', "Y", ""), ('z', "Z", "")),
        default='y',
    )

    warp_dist_exp: FloatProperty(
        name="Distance exponent", description="Distance exponent", min=0.0, max=100.0, default=1.0
    )

    warp_tor_major_radius: FloatProperty(
        name="Major radius",
        description="Torus is distance from major radius",
        min=0.0,
        max=5.0,
        default=1.0,
    )

    def init(self, context):
        self.outputs.new('NodeSocketVector', "Mapping")

    def draw_buttons(self, context, layout):

        column = layout.column()
        column.prop(self, "warp_type", text="Warp type")
        if self.warp_type in {'toroidal', 'spherical', 'cylindrical', 'planar'}:
            column.prop(self, "warp_orientation", text="Orientation")
            column.prop(self, "warp_dist_exp", text="Exponent")
        if self.warp_type == 'toroidal':
            column.prop(self, "warp_tor_major_radius", text="Major R")

    def draw_buttons_ext(self, context, layout):

        column = layout.column()
        column.prop(self, "warp_type", text="Warp type")
        if self.warp_type in {'toroidal', 'spherical', 'cylindrical', 'planar'}:
            column.prop(self, "warp_orientation", text="Orientation")
            column.prop(self, "warp_dist_exp", text="Exponent")
        if self.warp_type == 'toroidal':
            column.prop(self, "warp_tor_major_radius", text="Major R")

    def draw_label(self):
        return "Mapping"


class PovrayMultiplyNode(Node, ObjectNodeTree):
    """Multiply"""

    bl_idname = 'PovrayMultiplyNode'
    bl_label = 'Multiply'
    bl_icon = 'SHADING_SOLID'

    amount_x: FloatProperty(
        name="X", description="Number of repeats", min=1.0, max=10000.0, default=1.0
    )

    amount_y: FloatProperty(
        name="Y", description="Number of repeats", min=1.0, max=10000.0, default=1.0
    )

    amount_z: FloatProperty(
        name="Z", description="Number of repeats", min=1.0, max=10000.0, default=1.0
    )

    def init(self, context):
        self.outputs.new('NodeSocketVector', "Amount")

    def draw_buttons(self, context, layout):

        column = layout.column()
        column.label(text="Amount")
        row = column.row(align=True)
        row.prop(self, "amount_x")
        row.prop(self, "amount_y")
        row.prop(self, "amount_z")

    def draw_buttons_ext(self, context, layout):

        column = layout.column()
        column.label(text="Amount")
        row = column.row(align=True)
        row.prop(self, "amount_x")
        row.prop(self, "amount_y")
        row.prop(self, "amount_z")

    def draw_label(self):
        return "Multiply"


class PovrayTransformNode(Node, ObjectNodeTree):
    """Transform"""

    bl_idname = 'PovrayTransformNode'
    bl_label = 'Transform'
    bl_icon = 'NODE_TEXTURE'

    def init(self, context):

        self.inputs.new('PovraySocketFloatUnlimited', "Translate x")
        self.inputs.new('PovraySocketFloatUnlimited', "Translate y")
        self.inputs.new('PovraySocketFloatUnlimited', "Translate z")
        self.inputs.new('PovraySocketFloatUnlimited', "Rotate x")
        self.inputs.new('PovraySocketFloatUnlimited', "Rotate y")
        self.inputs.new('PovraySocketFloatUnlimited', "Rotate z")
        sX = self.inputs.new('PovraySocketFloatUnlimited', "Scale x")
        sX.default_value = 1.0
        sY = self.inputs.new('PovraySocketFloatUnlimited', "Scale y")
        sY.default_value = 1.0
        sZ = self.inputs.new('PovraySocketFloatUnlimited', "Scale z")
        sZ.default_value = 1.0

        self.outputs.new('NodeSocketVector', "Transform")

    def draw_label(self):
        return "Transform"


class PovrayValueNode(Node, ObjectNodeTree):
    """Value"""

    bl_idname = 'PovrayValueNode'