Fixed several nodes issues

nodes/materials/carpaint.py

@@ -29,16 +29,13 @@ class LuxCoreNodeMatCarpaint(LuxCoreNodeMaterial, bpy.types.Node):
     def update_preset(self, context):
         enabled = self.preset == "manual"
 
-        self.inputs['Diffuse Color'].enabled = enabled
-        self.inputs['Specular Color 1'].enabled = enabled
-        self.inputs['Specular Color 2'].enabled = enabled
-        self.inputs['Specular Color 3'].enabled = enabled
-        self.inputs['M1'].enabled = enabled
-        self.inputs['M2'].enabled = enabled
-        self.inputs['M3'].enabled = enabled
-        self.inputs['R1'].enabled = enabled
-        self.inputs['R2'].enabled = enabled
-        self.inputs['R3'].enabled = enabled
+        sockets = ["Diffuse Color", "Specular Color 1", "Specular Color 2", "Specular Color 3",
+                   "M1", "M2", "M3", "R1", "R2", "R3"]
+
+        for socket in sockets:
+            id = self.inputs.find(socket)
+            self.inputs[id].enabled = enabled
+
         utils_node.force_viewport_update(self, context)
 
     preset_items = [
@@ -77,24 +74,29 @@ def draw_buttons(self, context, layout):
         layout.prop(self, "preset")
 
     def sub_export(self, exporter, depsgraph, props, luxcore_name=None, output_socket=None):
-        definitions = {
-            "type": "carpaint",
-            "kd": self.inputs["Diffuse Color"].export(exporter, depsgraph, props),
-            "ka": self.inputs["Absorption Color"].export(exporter, depsgraph, props),
-            "ks1": self.inputs["Specular Color 1"].export(exporter, depsgraph,  props),
-            "ks2": self.inputs["Specular Color 2"].export(exporter, depsgraph, props),
-            "ks3": self.inputs["Specular Color 3"].export(exporter, depsgraph, props),
-            "d": self.inputs["Absorption Depth (nm)"].export(exporter, depsgraph, props),
-            "m1": self.inputs["M1"].export(exporter, depsgraph, props),
-            "m2": self.inputs["M2"].export(exporter, depsgraph, props),
-            "m3": self.inputs["M3"].export(exporter, depsgraph, props),
-            "r1": self.inputs["R1"].export(exporter, depsgraph, props),
-            "r2": self.inputs["R2"].export(exporter, depsgraph, props),
-            "r3": self.inputs["R3"].export(exporter, depsgraph, props),
-        }
-
         if self.preset != "manual":
-            definitions["preset"] = self.preset.replace("_", " ")
+            definitions = {
+                "type": "carpaint",
+                "preset": self.preset.replace("_", " "),
+                "ka": self.inputs["Absorption Color"].export(exporter, depsgraph, props),
+                "d": self.inputs["Absorption Depth (nm)"].export(exporter, depsgraph, props)
+            }
+        else:
+            definitions = {
+                "type": "carpaint",
+                "kd": self.inputs["Diffuse Color"].export(exporter, depsgraph, props),
+                "ka": self.inputs["Absorption Color"].export(exporter, depsgraph, props),
+                "ks1": self.inputs["Specular Color 1"].export(exporter, depsgraph, props),
+                "ks2": self.inputs["Specular Color 2"].export(exporter, depsgraph, props),
+                "ks3": self.inputs["Specular Color 3"].export(exporter, depsgraph, props),
+                "d": self.inputs["Absorption Depth (nm)"].export(exporter, depsgraph, props),
+                "m1": self.inputs["M1"].export(exporter, depsgraph, props),
+                "m2": self.inputs["M2"].export(exporter, depsgraph, props),
+                "m3": self.inputs["M3"].export(exporter, depsgraph, props),
+                "r1": self.inputs["R1"].export(exporter, depsgraph, props),
+                "r2": self.inputs["R2"].export(exporter, depsgraph, props),
+                "r3": self.inputs["R3"].export(exporter, depsgraph, props),
+            }
 
         self.export_common_inputs(exporter, depsgraph, props, definitions)
         return self.create_props(props, definitions, luxcore_name)

nodes/materials/metal.py

@@ -16,8 +16,10 @@ def change_input_type(self, context):
         is_fresnel = self.input_type == "fresnel"
         is_color = self.input_type == "color"
 
-        self.inputs["Fresnel"].enabled = is_fresnel
-        self.inputs["Color"].enabled = is_color
+        id = self.inputs.find("Fresnel")
+        self.inputs[id].enabled = is_fresnel
+        id = self.inputs.find("Color")
+        self.inputs[id].enabled = is_color
 
         # The first time the user switches to "fresnel" mode,
         # add a fresnel texture automatically

nodes/materials/velvet.py

@@ -9,9 +9,12 @@ class LuxCoreNodeMatVelvet(LuxCoreNodeMaterial, bpy.types.Node):
     bl_width_default = 160
 
     def update_advanced(self, context):
-        self.inputs["p1"].enabled = self.advanced
-        self.inputs["p2"].enabled = self.advanced
-        self.inputs["p3"].enabled = self.advanced
+        sockets = ["p1", "p2", "p3"]
+
+        for socket in sockets:
+            id = self.inputs.find(socket)
+            self.inputs[id].enabled = self.advanced
+
         utils_node.force_viewport_update(self, context)
 
     advanced: BoolProperty(name="Advanced Options", description="Advanced Velvet Parameters", default=False, update=update_advanced)

nodes/textures/fresnel.py

@@ -13,7 +13,8 @@ class LuxCoreNodeTexFresnel(LuxCoreNodeTexture, bpy.types.Node):
     bl_width_default = 180
 
     def change_input_type(self, context):
-        self.inputs["Reflection Color"].enabled = self.input_type == "color"
+        id = self.inputs.find("Reflection Color")
+        self.inputs[id].enabled = self.input_type == "color"
         utils_node.force_viewport_update(self, context)
 
     input_type_items = [

readme.md

@@ -1,38 +1,42 @@
-![Watermark](https://github.com/LuxCoreRender/BlendLuxCore/blob/master/luxcorerender-logo_orange_grey-shiny.png)
-
-![Example](https://github.com/LuxCoreRender/BlendLuxCore/blob/master/luxcorerender_caustics_scene.jpg)
+![Example Render](https://luxcorerender.org/wp-content/uploads/2019/10/dark_mode.jpg)
 
 <sup> [LuxCoreRender.org](https://luxcorerender.org/) | [Forums](https://forums.luxcorerender.org/) | [Wiki](http://wiki.luxcorerender.org/LuxCoreRender_Wiki) </sup>
 
-## BlendLuxCore
+## BlendLuxCore Wheels
 
 This addon integrates the LuxCore render engine into Blender. It offers advanced features like accelerated rendering of indirect light and efficient rendering of caustics.
 
+**This is a special, experimental version of the add-on, based on LuxCore Python wheels.** It may not be suitable for production use.
+
 ### Supported Blender Versions
 
-* Blender 4.2 is supported by [BlendLuxCore v2.9 beta1 (Windows only)](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.9beta1)
+* Blender 4.2 is supported for Windows, Linux, MacOS Intel, MacOS ARM
 
-* Blender 4.1 is supported by [BlendLuxCore v2.9 alpha1](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.9alpha1)
+### Installation
 
-* Blender 4.0 is supported by [BlendLuxCore v2.8 alpha1](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.8alpha1)
+#### From latest release (recommended)
 
-* Blender 3.6 LTS (3.6.x, not 3.6 itself) is experimentally supported by [BlendLuxCore v2.7 beta1](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.7beta1)
+- Find latest release of **BlendLuxCore Wheels** (https://github.com/LuxCoreRender/BlendLuxCore/releases). Caveat: do not get confused with plain BlendLuxCore.
+- From the release assets, download extension `BlendLuxCore*.zip`
+- Open Blender and follow "Install from disk" procedure (https://docs.blender.org/manual/en/latest/editors/preferences/extensions.html)
 
-* Blender 3.0 - 3.5.1 are supported by [BlendLuxCore v2.6 alpha1](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.6alpha1)
+Beforehand, you may want to uninstall previous version of BlendLuxCore: look in "Get Extensions" panel.
 
-* Blender 2.93 is supported by [BlendLuxCore v2.6](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.6)
+#### From last commit
 
-* Blender 2.83-2.92 are supported by [BlendLuxCore v2.5](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.5)
+Prerequisites: you need `cmake` and `blender` installed and in your `PATH`
 
-* Blender 2.83 is supported by [BlendLuxCore v2.4](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.4)
+Build extension:
+- clone this repository: `git clone https://github.com/LuxCoreRender/BlendLuxCore.git --branch for_blender_4.2_wheels`
+- configure: `cmake -S BlendLuxCore -B blc-build`
+- build: `cmake --build blc-build`
 
-* Blender 2.80, 2.81 and 2.82 are supported by [BlendLuxCore v2.2](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.2) and [BlendLuxCore v2.3](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.3)
-
-* Blender 2.79 is supported by [BlendLuxCore v2.0](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.0), [BlendLuxCore v2.1](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.1) and [BlendLuxCore v2.2](https://github.com/LuxCoreRender/BlendLuxCore/releases/tag/blendluxcore_v2.2)
+The extension should be in `blc-build` subfolder
 
-### [Installation and usage](https://wiki.luxcorerender.org/Category:BlendLuxCore)
+Open Blender and follow "Install from disk" procedure (https://docs.blender.org/manual/en/latest/editors/preferences/extensions.html)
 
-### [Gallery](https://luxcorerender.org/gallery/)  
+Beforehand, you may want to uninstall previous version of BlendLuxCore: see in "Get Extensions" panel.
 
-### [Download example test scenes](https://luxcorerender.org/example-scenes/)
+### [Gallery](https://luxcorerender.org/gallery/)
 
+### [Download example test scenes](https://luxcorerender.org/example-scenes/)