properly apply entity scale

subcommands/world/entity.go

@@ -71,6 +71,7 @@ func (w *WorldState) processAddActor(pk *packet.AddActor) {
 		w.bp.AddEntity(behaviourpack.EntityIn{
 			Identifier: pk.EntityType,
 			Attr:       pk.Attributes,
+			Meta:       pk.EntityMetadata,
 		})
 	}
 
@@ -103,9 +104,6 @@ func entityMetadataToNBT(metadata protocol.EntityMetadata, nbt map[string]any) {
 			nbt["CustomNameVisible"] = false
 		}
 	}
-	if scale, ok := metadata[protocol.EntityDataKeyScale].(float32); ok {
-		nbt["Scale"] = scale
-	}
 }
 
 func vec3float32(x mgl32.Vec3) []float32 {

utils/behaviourpack/entity.go

@@ -24,6 +24,7 @@ type entityBehaviour struct {
 type EntityIn struct {
 	Identifier string
 	Attr       []protocol.AttributeValue
+	Meta       map[uint32]any
 }
 
 func (bp *BehaviourPack) AddEntity(entity EntityIn) {
@@ -64,5 +65,11 @@ func (bp *BehaviourPack) AddEntity(entity EntityIn) {
 		}
 	}
 
+	if scale, ok := entity.Meta[protocol.EntityDataKeyScale].(float32); ok {
+		entry.MinecraftEntity.Components["minecraft:scale"] = map[string]any{
+			"value": scale,
+		}
+	}
+
 	bp.entities[entity.Identifier] = entry
 }