# ##### 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
from bpy.types import Menu, Panel, UIList


class RENDER_MT_presets(Menu):
    bl_label = "Render Presets"
    preset_subdir = "render"
    preset_operator = "script.execute_preset"
    draw = Menu.draw_preset


class RENDER_MT_ffmpeg_presets(Menu):
    bl_label = "FFMPEG Presets"
    preset_subdir = "ffmpeg"
    preset_operator = "script.python_file_run"
    draw = Menu.draw_preset


class RENDER_MT_framerate_presets(Menu):
    bl_label = "Frame Rate Presets"
    preset_subdir = "framerate"
    preset_operator = "script.execute_preset"
    draw = Menu.draw_preset


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):
        return (context.engine in cls.COMPAT_ENGINES)


class RENDER_PT_context(Panel):
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "render"
    bl_options = {'HIDE_HEADER'}
    bl_label = ""

    @classmethod
    def poll(cls, context):
        return context.scene

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

        scene = context.scene
        rd = scene.render

        if rd.has_multiple_engines:
            layout.prop(rd, "engine", text="")


class RENDER_PT_render(RenderButtonsPanel, Panel):
    bl_label = "Render"
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}

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

        rd = context.scene.render

        row = layout.row(align=True)
        row.operator("render.render", text="Render", icon='RENDER_STILL')
        row.operator("render.render", text="Animation", icon='RENDER_ANIMATION').animation = True
        row.operator("sound.mixdown", text="Audio", icon='PLAY_AUDIO')

        split = layout.split(percentage=0.33)

        split.label(text="Display:")
        row = split.row(align=True)
        row.prop(rd, "display_mode", text="")
        row.prop(rd, "use_lock_interface", icon_only=True)


class RENDER_PT_dimensions(RenderButtonsPanel, Panel):
    bl_label = "Dimensions"
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}

    _frame_rate_args_prev = None
    _preset_class = None

    @staticmethod
    def _draw_framerate_label(*args):
        # avoids re-creating text string each draw
        if RENDER_PT_dimensions._frame_rate_args_prev == args:
            return RENDER_PT_dimensions._frame_rate_ret

        fps, fps_base, preset_label = args

        if fps_base == 1.0:
            fps_rate = round(fps)
        else:
            fps_rate = round(fps / fps_base, 2)

        # TODO: Change the following to iterate over existing presets
        custom_framerate = (fps_rate not in {23.98, 24, 25, 29.97, 30, 50, 59.94, 60})

        if custom_framerate is True:
            fps_label_text = "Custom (%r fps)" % fps_rate
            show_framerate = True
        else:
            fps_label_text = "%r fps" % fps_rate
            show_framerate = (preset_label == "Custom")

        RENDER_PT_dimensions._frame_rate_args_prev = args
        RENDER_PT_dimensions._frame_rate_ret = args = (fps_label_text, show_framerate)
        return args

    @staticmethod
    def draw_framerate(sub, rd):
        if RENDER_PT_dimensions._preset_class is None:
            RENDER_PT_dimensions._preset_class = bpy.types.RENDER_MT_framerate_presets

        args = rd.fps, rd.fps_base, RENDER_PT_dimensions._preset_class.bl_label
        fps_label_text, show_framerate = RENDER_PT_dimensions._draw_framerate_label(*args)

        sub.menu("RENDER_MT_framerate_presets", text=fps_label_text)

        if show_framerate:
            sub.prop(rd, "fps")
            sub.prop(rd, "fps_base", text="/")

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

        scene = context.scene
        rd = scene.render

        row = layout.row(align=True)
        row.menu("RENDER_MT_presets", text=bpy.types.RENDER_MT_presets.bl_label)
        row.operator("render.preset_add", text="", icon='ZOOMIN')
        row.operator("render.preset_add", text="", icon='ZOOMOUT').remove_active = True

        split = layout.split()

        col = split.column()
        sub = col.column(align=True)
        sub.label(text="Resolution:")
        sub.prop(rd, "resolution_x", text="X")
        sub.prop(rd, "resolution_y", text="Y")
        sub.prop(rd, "resolution_percentage", text="")

        sub.label(text="Aspect Ratio:")
        sub.prop(rd, "pixel_aspect_x", text="X")
        sub.prop(rd, "pixel_aspect_y", text="Y")

        row = col.row()
        row.prop(rd, "use_border", text="Border")
        sub = row.row()
        sub.active = rd.use_border
        sub.prop(rd, "use_crop_to_border", text="Crop")

        col = split.column()
        sub = col.column(align=True)
        sub.label(text="Frame Range:")
        sub.prop(scene, "frame_start")
        sub.prop(scene, "frame_end")
        sub.prop(scene, "frame_step")

        sub.label(text="Frame Rate:")

        self.draw_framerate(sub, rd)

        subrow = sub.row(align=True)
        subrow.label(text="Time Remapping:")
        subrow = sub.row(align=True)
        subrow.prop(rd, "frame_map_old", text="Old")
        subrow.prop(rd, "frame_map_new", text="New")


class RENDER_PT_post_processing(RenderButtonsPanel, Panel):
    bl_label = "Post Processing"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}

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

        rd = context.scene.render

        split = layout.split()

        col = split.column()
        col.prop(rd, "use_compositing")
        col.prop(rd, "use_sequencer")

        split.prop(rd, "dither_intensity", text="Dither", slider=True)


class RENDER_PT_stamp(RenderButtonsPanel, Panel):
    bl_label = "Metadata"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}

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

        rd = context.scene.render

        layout.prop(rd, "use_stamp")
        col = layout.column()
        col.active = rd.use_stamp
        row = col.row()
        row.prop(rd, "stamp_font_size", text="Font Size")
        row.prop(rd, "use_stamp_labels", text="Draw Labels")

        row = col.row()
        row.column().prop(rd, "stamp_foreground", slider=True)
        row.column().prop(rd, "stamp_background", slider=True)

        layout.label("Enabled Metadata")
        split = layout.split()

        col = split.column()
        col.prop(rd, "use_stamp_time", text="Time")
        col.prop(rd, "use_stamp_date", text="Date")
        col.prop(rd, "use_stamp_render_time", text="RenderTime")
        col.prop(rd, "use_stamp_frame", text="Frame")
        col.prop(rd, "use_stamp_scene", text="Scene")
        col.prop(rd, "use_stamp_memory", text="Memory")

        col = split.column()
        col.prop(rd, "use_stamp_camera", text="Camera")
        col.prop(rd, "use_stamp_lens", text="Lens")
        col.prop(rd, "use_stamp_filename", text="Filename")
        col.prop(rd, "use_stamp_frame_range", text="Frame range")
        col.prop(rd, "use_stamp_marker", text="Marker")
        col.prop(rd, "use_stamp_sequencer_strip", text="Seq. Strip")

        row = layout.split(percentage=0.2)
        row.prop(rd, "use_stamp_note", text="Note")
        sub = row.row()
        sub.active = rd.use_stamp_note
        sub.prop(rd, "stamp_note_text", text="")
        if rd.use_sequencer:
            layout.label("Sequencer:")
            layout.prop(rd, "use_stamp_strip_meta")


class RENDER_PT_output(RenderButtonsPanel, Panel):
    bl_label = "Output"
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}

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

        rd = context.scene.render
        image_settings = rd.image_settings
        file_format = image_settings.file_format

        layout.prop(rd, "filepath", text="")

        split = layout.split()

        col = split.column()
        col.active = not rd.is_movie_format
        col.prop(rd, "use_overwrite")
        col.prop(rd, "use_placeholder")

        col = split.column()
        col.prop(rd, "use_file_extension")
        col.prop(rd, "use_render_cache")

        layout.template_image_settings(image_settings, color_management=False)
        if rd.use_multiview:
            layout.template_image_views(image_settings)


class RENDER_PT_encoding(RenderButtonsPanel, Panel):
    bl_label = "Encoding"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        rd = context.scene.render
        return rd.image_settings.file_format in {'FFMPEG', 'XVID', 'H264', 'THEORA'}

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

        rd = context.scene.render
        ffmpeg = rd.ffmpeg

        layout.menu("RENDER_MT_ffmpeg_presets", text="Presets")

        split = layout.split()
        split.prop(rd.ffmpeg, "format")
        split.prop(ffmpeg, "use_autosplit")

        # Video:
        layout.separator()
        self.draw_vcodec(context)

        # Audio:
        layout.separator()
        if ffmpeg.format != 'MP3':
            layout.prop(ffmpeg, "audio_codec", text="Audio Codec")

        if ffmpeg.audio_codec != 'NONE':
            row = layout.row()
            row.prop(ffmpeg, "audio_bitrate")
            row.prop(ffmpeg, "audio_volume", slider=True)

    def draw_vcodec(self, context):
        """Video codec options."""
        layout = self.layout
        ffmpeg = context.scene.render.ffmpeg

        needs_codec = ffmpeg.format in {'AVI', 'QUICKTIME', 'MKV', 'OGG', 'MPEG4'}
        if needs_codec:
            layout.prop(ffmpeg, "codec")

        if needs_codec and ffmpeg.codec == 'NONE':
            return

        if ffmpeg.codec in {'DNXHD'}:
            layout.prop(ffmpeg, "use_lossless_output")

        # Output quality
        use_crf = needs_codec and ffmpeg.codec in {'H264', 'MPEG4', 'WEBM'}
        if use_crf:
            layout.prop(ffmpeg, "constant_rate_factor")

        # Encoding speed
        layout.prop(ffmpeg, "ffmpeg_preset")
        # I-frames
        layout.prop(ffmpeg, "gopsize")
        # B-Frames
        row = layout.row()
        row.prop(ffmpeg, "use_max_b_frames", text="Max B-frames")
        pbox = row.split()
        pbox.prop(ffmpeg, "max_b_frames", text="")
        pbox.enabled = ffmpeg.use_max_b_frames

        if not use_crf or ffmpeg.constant_rate_factor == 'NONE':
            split = layout.split()
            col = split.column()
            col.label(text="Rate:")
            col.prop(ffmpeg, "video_bitrate")
            col.prop(ffmpeg, "minrate", text="Minimum")
            col.prop(ffmpeg, "maxrate", text="Maximum")
            col.prop(ffmpeg, "buffersize", text="Buffer")

            col = split.column()
            col.label(text="Mux:")
            col.prop(ffmpeg, "muxrate", text="Rate")
            col.prop(ffmpeg, "packetsize", text="Packet Size")


class RENDER_UL_renderviews(UIList):
    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
        view = item
        if self.layout_type in {'DEFAULT', 'COMPACT'}:
            if view.name in {'left', 'right'}:
                layout.label(view.name, icon_value=icon + (not view.use))
            else:
                layout.prop(view, "name", text="", index=index, icon_value=icon, emboss=False)
            layout.prop(view, "use", text="", index=index)

        elif self.layout_type == 'GRID':
            layout.alignment = 'CENTER'
            layout.label("", icon_value=icon + (not view.use))


class RENDER_PT_stereoscopy(RenderButtonsPanel, Panel):
    bl_label = "Stereoscopy"
    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_CLAY', 'BLENDER_EEVEE'}
    bl_options = {'DEFAULT_CLOSED'}

    def draw_header(self, context):
        rd = context.scene.render
        self.layout.prop(rd, "use_multiview", text="")

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

        scene = context.scene
        rd = scene.render
        rv = rd.views.active

        layout.active = rd.use_multiview
        basic_stereo = rd.views_format == 'STEREO_3D'

        row = layout.row()
        row.prop(rd, "views_format", expand=True)

        if basic_stereo:
            row = layout.row()
            row.template_list("RENDER_UL_renderviews", "name", rd, "stereo_views", rd.views, "active_index", rows=2)

            row = layout.row()
            row.label(text="File Suffix:")
            row.prop(rv, "file_suffix", text="")

        else:
            row = layout.row()
            row.template_list("RENDER_UL_renderviews", "name", rd, "views", rd.views, "active_index", rows=2)

            col = row.column(align=True)
            col.operator("scene.render_view_add", icon='ZOOMIN', text="")
            col.operator("scene.render_view_remove", icon='ZOOMOUT', text="")

            row = layout.row()
            row.label(text="Camera Suffix:")
            row.prop(rv, "camera_suffix", text="")


class RENDER_PT_clay_layer_settings(RenderButtonsPanel, Panel):
    bl_label = "Clay Layer Settings"
    COMPAT_ENGINES = {'BLENDER_CLAY'}

    def draw(self, context):
        layout = self.layout
        props = context.scene.layer_properties['BLENDER_CLAY']

        col = layout.column()
        col.prop(props, "ssao_samples")


class RENDER_PT_clay_collection_settings(RenderButtonsPanel, Panel):
    bl_label = "Clay Collection Settings"
    COMPAT_ENGINES = {'BLENDER_CLAY'}

    def draw(self, context):
        layout = self.layout
        props = context.scene.collection_properties['BLENDER_CLAY']

        col = layout.column()
        col.template_icon_view(props, "matcap_icon")
        col.prop(props, "matcap_rotation")
        col.prop(props, "matcap_hue")
        col.prop(props, "matcap_saturation")
        col.prop(props, "matcap_value")
        col.prop(props, "ssao_factor_cavity")
        col.prop(props, "ssao_factor_edge")
        col.prop(props, "ssao_distance")
        col.prop(props, "ssao_attenuation")
        col.prop(props, "hair_brightness_randomness")


class RENDER_PT_eevee_ambient_occlusion(RenderButtonsPanel, Panel):
    bl_label = "Ambient Occlusion"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "gtao_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        layout.active = props.gtao_enable
        col = layout.column()
        col.prop(props, "gtao_use_bent_normals")
        col.prop(props, "gtao_bounce")
        col.prop(props, "gtao_distance")
        col.prop(props, "gtao_factor")
        col.prop(props, "gtao_quality")


class RENDER_PT_eevee_motion_blur(RenderButtonsPanel, Panel):
    bl_label = "Motion Blur"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "motion_blur_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        layout.active = props.motion_blur_enable
        col = layout.column()
        col.prop(props, "motion_blur_samples")
        col.prop(props, "motion_blur_shutter")


class RENDER_PT_eevee_depth_of_field(RenderButtonsPanel, Panel):
    bl_label = "Depth of Field"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "dof_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        layout.active = props.dof_enable
        col = layout.column()
        col.prop(props, "bokeh_max_size")
        col.prop(props, "bokeh_threshold")


class RENDER_PT_eevee_bloom(RenderButtonsPanel, Panel):
    bl_label = "Bloom"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "bloom_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        layout.active = props.bloom_enable
        col = layout.column()
        col.prop(props, "bloom_threshold")
        col.prop(props, "bloom_knee")
        col.prop(props, "bloom_radius")
        col.prop(props, "bloom_color")
        col.prop(props, "bloom_intensity")
        col.prop(props, "bloom_clamp")


class RENDER_PT_eevee_volumetric(RenderButtonsPanel, Panel):
    bl_label = "Volumetric"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "volumetric_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        layout.active = props.volumetric_enable
        col = layout.column()
        col.prop(props, "volumetric_start")
        col.prop(props, "volumetric_end")
        col.prop(props, "volumetric_tile_size")
        col.prop(props, "volumetric_samples")
        col.prop(props, "volumetric_sample_distribution")
        col.prop(props, "volumetric_lights")
        col.prop(props, "volumetric_light_clamp")
        col.prop(props, "volumetric_shadows")
        col.prop(props, "volumetric_shadow_samples")
        col.prop(props, "volumetric_colored_transmittance")


class RENDER_PT_eevee_subsurface_scattering(RenderButtonsPanel, Panel):
    bl_label = "Subsurface Scattering"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "sss_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        col = layout.column()
        col.prop(props, "sss_samples")
        col.prop(props, "sss_jitter_threshold")
        col.prop(props, "sss_separate_albedo")


class RENDER_PT_eevee_screen_space_reflections(RenderButtonsPanel, Panel):
    bl_label = "Screen Space Reflections"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw_header(self, context):
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']
        self.layout.prop(props, "ssr_enable", text="")

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        col = layout.column()
        col.active = props.ssr_enable
        col.prop(props, "ssr_refraction")
        col.prop(props, "ssr_halfres")
        col.prop(props, "ssr_quality")
        col.prop(props, "ssr_max_roughness")
        col.prop(props, "ssr_thickness")
        col.prop(props, "ssr_border_fade")
        col.prop(props, "ssr_firefly_fac")


class RENDER_PT_eevee_shadows(RenderButtonsPanel, Panel):
    bl_label = "Shadows"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        col = layout.column()
        col.prop(props, "shadow_method")
        col.prop(props, "shadow_size")
        col.prop(props, "shadow_high_bitdepth")


class RENDER_PT_eevee_sampling(RenderButtonsPanel, Panel):
    bl_label = "Sampling"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        col = layout.column()
        col.prop(props, "taa_samples")
        col.prop(props, "taa_render_samples")
        col.prop(props, "taa_reprojection")


class RENDER_PT_eevee_indirect_lighting(RenderButtonsPanel, Panel):
    bl_label = "Indirect Lighting"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_EEVEE']

        col = layout.column()
        col.prop(props, "gi_diffuse_bounces")
        col.prop(props, "gi_cubemap_resolution")
        col.prop(props, "gi_visibility_resolution")


class RENDER_PT_eevee_film(RenderButtonsPanel, Panel):
    bl_label = "Film"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_EEVEE'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        rd = scene.render

        split = layout.split()

        col = split.column()
        col.prop(rd, "filter_size")

        col = split.column()
        col.prop(rd, "alpha_mode", text="Alpha")


class RENDER_PT_workbench_environment_light(RenderButtonsPanel, Panel):
    bl_label = "Workbench Environment Light"
    bl_options = {'DEFAULT_CLOSED'}
    COMPAT_ENGINES = {'BLENDER_WORKBENCH'}

    @classmethod
    def poll(cls, context):
        return (context.engine in cls.COMPAT_ENGINES)

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        props = scene.layer_properties['BLENDER_WORKBENCH']

        row = layout.row(align=True)
        col = row.column(align=True)
        col.prop(props, "diffuse_light_x_neg", text="Left/Right")
        col.prop(props, "diffuse_light_x_pos", text="")
        col = row.column(align=True)
        col.prop(props, "diffuse_light_y_pos", text="Up/Down")
        col.prop(props, "diffuse_light_y_neg", text="")
        col = row.column(align=True)
        col.prop(props, "diffuse_light_z_pos", text="Front/Back")
        col.prop(props, "diffuse_light_z_neg", text="")


classes = (
    RENDER_MT_presets,
    RENDER_MT_ffmpeg_presets,
    RENDER_MT_framerate_presets,
    RENDER_PT_context,
    RENDER_PT_render,
    RENDER_PT_dimensions,
    RENDER_PT_post_processing,
    RENDER_PT_stamp,
    RENDER_PT_output,
    RENDER_PT_encoding,
    RENDER_UL_renderviews,
    RENDER_PT_stereoscopy,
    RENDER_PT_clay_layer_settings,
    RENDER_PT_clay_collection_settings,
    RENDER_PT_eevee_sampling,
    RENDER_PT_eevee_film,
    RENDER_PT_eevee_shadows,
    RENDER_PT_eevee_indirect_lighting,
    RENDER_PT_eevee_subsurface_scattering,
    RENDER_PT_eevee_screen_space_reflections,
    RENDER_PT_eevee_ambient_occlusion,
    RENDER_PT_eevee_volumetric,
    RENDER_PT_eevee_motion_blur,
    RENDER_PT_eevee_depth_of_field,
    RENDER_PT_eevee_bloom,
	RENDER_PT_workbench_environment_light,
)

if __name__ == "__main__":  # only for live edit.
    from bpy.utils import register_class
    for cls in classes:
        register_class(cls)