Add bloom to environment settings

addons/io_hubs_addon/components/definitions/environment_settings.py

@@ -1,4 +1,4 @@
-from bpy.props import FloatProperty, EnumProperty, FloatVectorProperty, PointerProperty
+from bpy.props import FloatProperty, EnumProperty, FloatVectorProperty, PointerProperty, BoolProperty
 from bpy.types import Image
 from ...io.utils import gather_texture_property, gather_color_property
 from ..hubs_component import HubsComponent
@@ -54,8 +54,48 @@ class EnvironmentSettings(HubsComponent):
         type=Image
     )
 
+    enableHDRPipeline: BoolProperty(
+        name="Enable HDR Pipeline",
+        description="Enable the new (experimental) HDR render pipeline with post processing effects and modified lighting + tonemapping model. NOTE: This checkbox is an opt-in to breaking changes. New versions of the Hubs client may break scenes with this option checked without warning and may reqquire re-export with a later Blender exporter.",
+        default=False
+    )
+
+    enableBloom: BoolProperty(
+        name="Bloom",
+        description="Add a Bloom effect to bright objects.",
+        default=False
+    )
+    bloomThreshold: FloatProperty(
+        name="Threshold", description="Values brighter than this in the final render (before tone mapping) will have bloom applied to them. The threshold is applied starting at 1, so a value of 0 will cover all 'HDR' values. You can specify a number below 0 to have bloom effect SDR values (not recommended)", default=1.0, min=0.0, soft_min=1.0)
+    bloomIntensity: FloatProperty(
+        name="Intensity", description="Scales the intensity of the bloom effect", default=1.0, min=0.0)
+    bloomRadius: FloatProperty(
+        name="Radius", description="Spread distance of the bloom effect", default=0.6, min=0.0, soft_max=1.0)
+    bloomSmoothing: FloatProperty(
+        name="Smoothing", description="Makes transition between under/over-threshold more gradual.", default=0.025, min=0.0, soft_max=1.0)
+
+    def draw(self, context, layout, panel):
+        layout.prop(data=self, property="enableHDRPipeline")
+
+        layout.prop(data=self, property="backgroundColor")
+        layout.prop(data=self, property="backgroundTexture")
+        layout.prop(data=self, property="envMapTexture")
+
+        layout.prop(data=self, property="toneMapping")
+        layout.prop(data=self, property="toneMappingExposure")
+
+        if self.enableHDRPipeline:
+            layout = layout.box()
+            top_row = layout.row()
+            top_row.prop(data=self, property="enableBloom")
+            if self.enableBloom:
+                layout.prop(data=self, property="bloomThreshold")
+                layout.prop(data=self, property="bloomIntensity")
+                layout.prop(data=self, property="bloomRadius")
+                layout.prop(data=self, property="bloomSmoothing")
+
     def gather(self, export_settings, object):
-        return {
+        output = {
             'toneMapping': self.toneMapping,
             'toneMappingExposure': self.toneMappingExposure,
             'backgroundColor': gather_color_property(export_settings, object, self, 'backgroundColor', 'COLOR_GAMMA'),
@@ -69,4 +109,18 @@ def gather(self, export_settings, object):
                 object,
                 self,
                 'envMapTexture')
+
         }
+
+        if self.enableHDRPipeline:
+            output["enableHDRPipeline"] = True
+            if self.enableBloom:
+                output["enableBloom"] = True
+                output["bloom"] = {
+                    "threshold": self.bloomThreshold,
+                    "intensity": self.bloomIntensity,
+                    "radius": self.bloomRadius,
+                    "smoothing": self.bloomSmoothing,
+                }
+
+        return output