Fix material generations for SolidReference

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionBase.kt

@@ -131,8 +131,20 @@ public open class VisionBase(internal var properties: Config? = null) : Vision {
     }
 
     override fun update(change: VisionChange) {
+        change.properties?.let {
+            updateProperties(Name.EMPTY, it.asMetaItem())
+        }
+    }
 
-        fun updateProperties(at: Name, item: MetaItem) {
+    public companion object {
+        public val descriptor: NodeDescriptor = NodeDescriptor {
+            value(STYLE_KEY) {
+                type(ValueType.STRING)
+                multiple = true
+            }
+        }
+
+        public fun Vision.updateProperties(at: Name, item: MetaItem) {
             when (item) {
                 is ValueItem -> {
                     if (item.value == Null) {
@@ -146,18 +158,6 @@ public open class VisionBase(internal var properties: Config? = null) : Vision {
             }
         }
 
-        change.properties?.let {
-            updateProperties(Name.EMPTY, it.asMetaItem())
-        }
-    }
-
-    public companion object {
-        public val descriptor: NodeDescriptor = NodeDescriptor {
-            value(STYLE_KEY) {
-                type(ValueType.STRING)
-                multiple = true
-            }
-        }
     }
 }
 

visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidReference.kt

@@ -3,6 +3,7 @@ package hep.dataforge.vision.solid
 import hep.dataforge.meta.*
 import hep.dataforge.meta.descriptors.NodeDescriptor
 import hep.dataforge.names.*
+import hep.dataforge.values.Null
 import hep.dataforge.vision.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.serialization.SerialName
@@ -136,7 +137,9 @@ public class SolidReferenceGroup(
         }
 
         override fun update(change: VisionChange) {
-            TODO("Not yet implemented")
+            change.properties?.let {
+                updateProperties(Name.EMPTY, it.asMetaItem())
+            }
         }
 
         override val descriptor: NodeDescriptor get() = prototype.descriptor

visionforge-solid/src/commonTest/kotlin/hep/dataforge/vision/solid/SolidReferenceTest.kt

@@ -0,0 +1,26 @@
+package hep.dataforge.vision.solid
+
+import hep.dataforge.vision.get
+import hep.dataforge.vision.style
+import hep.dataforge.vision.styles
+import hep.dataforge.vision.useStyle
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class SolidReferenceTest {
+    val groupWithReference = SolidGroup {
+        val referenceStyle by style {
+            SolidMaterial.MATERIAL_COLOR_KEY put "red"
+        }
+        ref("test", Box(100f,100f,100f).apply {
+            color("blue")
+            useStyle(referenceStyle)
+        })
+    }
+
+
+    @Test
+    fun testReferenceProperty(){
+        assertEquals("blue", (groupWithReference["test"] as Solid).color.string)
+    }
+}

visionforge-threejs/src/main/kotlin/hep/dataforge/vision/solid/three/ThreeMaterials.kt

@@ -8,7 +8,6 @@ import hep.dataforge.values.string
 import hep.dataforge.vision.Colors
 import hep.dataforge.vision.Vision
 import hep.dataforge.vision.allStyles
-import hep.dataforge.vision.merge
 import hep.dataforge.vision.solid.SolidMaterial
 import info.laht.threekt.materials.LineBasicMaterial
 import info.laht.threekt.materials.Material
@@ -143,6 +142,7 @@ public fun Mesh.updateMaterial(vision: Vision) {
         includeStyles = false,
         includeDefaults = false
     )
+
     material = when {
         ownMaterialMeta == null && stylesMaterialMeta == null && parentMaterialMeta == null -> {
             //use default is not material properties are defined
@@ -153,8 +153,9 @@ public fun Mesh.updateMaterial(vision: Vision) {
             ThreeMaterials.cacheMeta(stylesMaterialMeta.node ?: Meta.EMPTY)
         }
         else -> {
-            val merge = sequenceOf(ownMaterialMeta, stylesMaterialMeta, parentMaterialMeta).merge().node ?: Meta.EMPTY
+            vision.getProperty(SolidMaterial.MATERIAL_KEY).node?.let {
-            ThreeMaterials.buildMaterial(merge)
+                ThreeMaterials.buildMaterial(it)
+            } ?: ThreeMaterials.DEFAULT
         }
     }
 }

visionforge-threejs/src/main/kotlin/hep/dataforge/vision/solid/three/ThreeReferenceFactory.kt

@@ -1,9 +1,11 @@
 package hep.dataforge.vision.solid.three
 
+import hep.dataforge.meta.node
 import hep.dataforge.names.cutFirst
 import hep.dataforge.names.firstOrNull
 import hep.dataforge.names.toName
 import hep.dataforge.vision.solid.Solid
+import hep.dataforge.vision.solid.SolidMaterial
 import hep.dataforge.vision.solid.SolidReferenceGroup
 import hep.dataforge.vision.solid.SolidReferenceGroup.Companion.REFERENCE_CHILD_PROPERTY_PREFIX
 import info.laht.threekt.core.BufferGeometry
@@ -40,6 +42,7 @@ public object ThreeReferenceFactory : ThreeFactory<SolidReferenceGroup> {
         object3D.updatePosition(obj)
 
         if(object3D is Mesh){
+            //object3D.material = ThreeMaterials.buildMaterial(obj.getProperty(SolidMaterial.MATERIAL_KEY).node!!)
             object3D.applyProperties(obj)
         }