Fixed issue #1805 where point clouds which had their material inherited from higher up in the hierarchy would not display vertex colors

packages/viewer-sandbox/src/main.ts

@@ -286,7 +286,9 @@ const getStream = () => {
     // 'https://speckle.xyz/streams/46caea9b53/commits/71938adcd1'
     // 'https://speckle.xyz/streams/2f9f2f3021/commits/75bd13f513'
     // 'https://speckle.xyz/streams/25d8a162af/commits/6c842a713c'
-    'https://speckle.xyz/streams/76e3acde68/commits/0ea3d47e6c'
+    // 'https://speckle.xyz/streams/76e3acde68/commits/0ea3d47e6c'
+    // Point cloud
+    'https://speckle.xyz/streams/b920636274/commits/8df6496749'
   )
 }
 

packages/viewer/src/modules/materials/Materials.ts

@@ -67,20 +67,24 @@ export default class Materials {
 
   private defaultGradientTextureData: ImageData = null
 
-  public static renderMaterialFromNode(node: TreeNode): RenderMaterial {
-    if (!node) return null
+  public static renderMaterialFromNode(
+    materialNode: TreeNode,
+    geometryNode: TreeNode
+  ): RenderMaterial {
+    if (!materialNode) return null
     let renderMaterial: RenderMaterial = null
-    if (node.model.raw.renderMaterial) {
+    if (materialNode.model.raw.renderMaterial) {
       renderMaterial = {
-        id: node.model.raw.renderMaterial.id,
-        color: node.model.raw.renderMaterial.diffuse,
+        id: materialNode.model.raw.renderMaterial.id,
+        color: materialNode.model.raw.renderMaterial.diffuse,
         opacity:
-          node.model.raw.renderMaterial.opacity !== undefined
-            ? node.model.raw.renderMaterial.opacity
+          materialNode.model.raw.renderMaterial.opacity !== undefined
+            ? materialNode.model.raw.renderMaterial.opacity
             : 1,
-        roughness: node.model.raw.renderMaterial.roughness,
-        metalness: node.model.raw.renderMaterial.metalness,
-        vertexColors: node.model.raw.colors && node.model.raw.colors.length > 0
+        roughness: materialNode.model.raw.renderMaterial.roughness,
+        metalness: materialNode.model.raw.renderMaterial.metalness,
+        vertexColors:
+          geometryNode.model.raw.colors && geometryNode.model.raw.colors.length > 0
       }
     }
     return renderMaterial

packages/viewer/src/modules/tree/RenderTree.ts

@@ -82,7 +82,8 @@ export class RenderTree {
         speckleType: GeometryConverter.getSpeckleType(node.model),
         geometry: geometryData,
         renderMaterial: Materials.renderMaterialFromNode(
-          renderMaterialNode || displayStyleNode
+          renderMaterialNode || displayStyleNode,
+          node
         ),
         /** Line-type geometry can also use a renderMaterial*/
         displayStyle: Materials.displayStyleFromNode(