shading_properties.py

                self.layout.prop(mat, "use_transparency", text="")

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

            base_mat = context.material
            mat = active_node_mat(context.material)
            rayt = mat.raytrace_transparency

            if simple_material(base_mat):
                row = layout.row()
                row.active = mat.use_transparency
                row.prop(mat, "transparency_method", expand=True)

            split = layout.split()
            split.active = base_mat.use_transparency

            col = split.column()
            col.prop(mat, "alpha")
            row = col.row()
            row.active = (base_mat.transparency_method != 'MASK') and (not mat.use_shadeless)
            row.prop(mat, "specular_alpha", text="Specular")

            col = split.column()
            col.active = (not mat.use_shadeless)
            col.prop(rayt, "fresnel")
            sub = col.column()
            sub.active = (rayt.fresnel > 0.0)
            sub.prop(rayt, "fresnel_factor", text="Blend")

            if base_mat.transparency_method == 'RAYTRACE':
                layout.separator()
                split = layout.split()
                split.active = base_mat.use_transparency

                col = split.column()
                col.prop(rayt, "ior")
                col.prop(rayt, "filter")
                col.prop(rayt, "falloff")
                col.prop(rayt, "depth_max")
                col.prop(rayt, "depth")

                col = split.column()
                col.label(text="Gloss:")
                col.prop(rayt, "gloss_factor", text="Amount")
                sub = col.column()
                sub.active = rayt.gloss_factor < 1.0
                sub.prop(rayt, "gloss_threshold", text="Threshold")
                sub.prop(rayt, "gloss_samples", text="Samples")


    class MATERIAL_PT_mirror(MaterialButtonsPanel, Panel):
        bl_label = "Mirror"
        bl_options = {'DEFAULT_CLOSED'}
        COMPAT_ENGINES = {'BLENDER_RENDER'}

        @classmethod
        def poll(cls, context):
            mat = context.material
            engine = context.scene.render.engine
            return check_material(mat) and (mat.type in {'SURFACE', 'WIRE'}) and (engine in cls.COMPAT_ENGINES)

        def draw_header(self, context):
            raym = active_node_mat(context.material).raytrace_mirror

            self.layout.prop(raym, "use", text="")

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

            mat = active_node_mat(context.material)
            raym = mat.raytrace_mirror

            layout.active = raym.use

            split = layout.split()

            col = split.column()
            col.prop(raym, "reflect_factor")
            col.prop(mat, "mirror_color", text="")

            col = split.column()
            col.prop(raym, "fresnel")
            sub = col.column()
            sub.active = (raym.fresnel > 0.0)
            sub.prop(raym, "fresnel_factor", text="Blend")

            split = layout.split()

            col = split.column()
            col.separator()
            col.prop(raym, "depth")
            col.prop(raym, "distance", text="Max Dist")
            col.separator()
            sub = col.split(percentage=0.4)
            sub.active = (raym.distance > 0.0)
            sub.label(text="Fade To:")
            sub.prop(raym, "fade_to", text="")

            col = split.column()
            col.label(text="Gloss:")
            col.prop(raym, "gloss_factor", text="Amount")
            sub = col.column()
            sub.active = (raym.gloss_factor < 1.0)
            sub.prop(raym, "gloss_threshold", text="Threshold")
            sub.prop(raym, "gloss_samples", text="Samples")
            sub.prop(raym, "gloss_anisotropic", text="Anisotropic")


    class MATERIAL_PT_sss(MaterialButtonsPanel, Panel):
        bl_label = "Subsurface Scattering"
        bl_options = {'DEFAULT_CLOSED'}
        COMPAT_ENGINES = {'BLENDER_RENDER'}

        @classmethod
        def poll(cls, context):
            mat = context.material
            engine = context.scene.render.engine
            return check_material(mat) and (mat.type in {'SURFACE', 'WIRE'}) and (engine in cls.COMPAT_ENGINES)

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

            self.layout.active = (not mat.use_shadeless)
            self.layout.prop(sss, "use", text="")

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

            mat = active_node_mat(context.material)
            sss = mat.subsurface_scattering

            layout.active = (sss.use) and (not mat.use_shadeless)

            row = layout.row().split()
            sub = row.row(align=True).split(align=True, percentage=0.75)
            sub.menu("MATERIAL_MT_sss_presets", text=bpy.types.MATERIAL_MT_sss_presets.bl_label)
            sub.operator("material.sss_preset_add", text="", icon='ZOOMIN')
            sub.operator("material.sss_preset_add", text="", icon='ZOOMOUT').remove_active = True

            split = layout.split()

            col = split.column()
            col.prop(sss, "ior")
            col.prop(sss, "scale")
            col.prop(sss, "color", text="")
            col.prop(sss, "radius", text="RGB Radius", expand=True)

            col = split.column()
            sub = col.column(align=True)
            sub.label(text="Blend:")
            sub.prop(sss, "color_factor", text="Color")
            sub.prop(sss, "texture_factor", text="Texture")
            sub.label(text="Scattering Weight:")
            sub.prop(sss, "front")
            sub.prop(sss, "back")
            col.separator()
            col.prop(sss, "error_threshold", text="Error")


    class MATERIAL_PT_halo(MaterialButtonsPanel, Panel):
        bl_label = "Halo"
        COMPAT_ENGINES = {'BLENDER_RENDER'}

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

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

            mat = context.material  # don't use node material
            halo = mat.halo

            def number_but(layout, toggle, number, name, color):
                row = layout.row(align=True)
                row.prop(halo, toggle, text="")
                sub = row.column(align=True)
                sub.active = getattr(halo, toggle)
                sub.prop(halo, number, text=name, translate=False)
                if not color == "":
                    sub.prop(mat, color, text="")

            split = layout.split()

            col = split.column()
            col.prop(mat, "alpha")
            col.prop(mat, "diffuse_color", text="")
            col.prop(halo, "seed")

            col = split.column()
            col.prop(halo, "size")
            col.prop(halo, "hardness")
            col.prop(halo, "add")

            layout.label(text="Options:")

            split = layout.split()
            col = split.column()
            col.prop(halo, "use_texture")
            col.prop(halo, "use_vertex_normal")
            col.prop(halo, "use_extreme_alpha")
            col.prop(halo, "use_shaded")
            col.prop(halo, "use_soft")

            col = split.column()
            number_but(col, "use_ring", "ring_count", iface_("Rings"), "mirror_color")
            number_but(col, "use_lines", "line_count", iface_("Lines"), "specular_color")
            number_but(col, "use_star", "star_tip_count", iface_("Star Tips"), "")


    class MATERIAL_PT_flare(MaterialButtonsPanel, Panel):
        bl_label = "Flare"
        COMPAT_ENGINES = {'BLENDER_RENDER'}

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

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

            self.layout.prop(halo, "use_flare_mode", text="")

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

            mat = context.material  # don't use node material
            halo = mat.halo

            layout.active = halo.use_flare_mode

            split = layout.split()

            col = split.column()
            col.prop(halo, "flare_size", text="Size")
            col.prop(halo, "flare_boost", text="Boost")
            col.prop(halo, "flare_seed", text="Seed")

            col = split.column()
            col.prop(halo, "flare_subflare_count", text="Subflares")
            col.prop(halo, "flare_subflare_size", text="Subsize")

    """


# ------------------------------ End Old Blender Internal Props ------------------------------ #


classes = (
    RenderPovSettingsMaterial,
    MaterialRaytraceTransparency,
    MaterialRaytraceMirror,
    MaterialSubsurfaceScattering,
    MaterialStrandSettings,
)


def register():
    for cls in classes:
        register_class(cls)

    bpy.types.Material.pov = PointerProperty(type=RenderPovSettingsMaterial)
    bpy.types.Material.pov_raytrace_transparency = PointerProperty(
        type=MaterialRaytraceTransparency
    )
    bpy.types.Material.pov_subsurface_scattering = PointerProperty(
        type=MaterialSubsurfaceScattering
    )
    bpy.types.Material.strand = PointerProperty(type=MaterialStrandSettings)
    bpy.types.Material.pov_raytrace_mirror = PointerProperty(type=MaterialRaytraceMirror)


def unregister():
    del bpy.types.Material.pov_subsurface_scattering
    del bpy.types.Material.strand
    del bpy.types.Material.pov_raytrace_mirror
    del bpy.types.Material.pov_raytrace_transparency
    del bpy.types.Material.pov

    for cls in reversed(classes):
        unregister_class(cls)