setprop! calls now persist to new connections

src/trees.jl

@@ -25,10 +25,13 @@ Base.setindex(p::Path, x, i::Int) = p.entries[i] = x
 mutable struct SceneNode
     object::Union{Vector{UInt8}, Nothing}
     transform::Union{Vector{UInt8}, Nothing}
+    properties::Dict{String, Vector{UInt8}}
     children::Dict{String, SceneNode}
 end
 
-SceneNode() = SceneNode(nothing, nothing, Dict{String, SceneNode}())
+SceneNode() = SceneNode(nothing, nothing,
+                        Dict{String, Vector{UInt8}}(),
+                        Dict{String, SceneNode}())
 
 Base.getindex(s::SceneNode, name::AbstractString) = get!(SceneNode, s.children, name)
 function Base.delete!(s::SceneNode, name::AbstractString)

src/visualizer.jl

@@ -80,6 +80,8 @@ function add_connection!(core::CoreVisualizer, req)
     wait()
 end
 
+
+
 function update_tree!(core::CoreVisualizer, cmd::SetObject, data)
     core.tree[cmd.path].object = data
 end
@@ -88,6 +90,10 @@ function update_tree!(core::CoreVisualizer, cmd::SetTransform, data)
     core.tree[cmd.path].transform = data
 end
 
+function update_tree!(core::CoreVisualizer, cmd::SetProperty, data)
+    core.tree[cmd.path].properties[cmd.property] = data
+end
+
 function update_tree!(core::CoreVisualizer, cmd::Delete, data)
     if length(cmd.path) == 0
         core.tree = SceneNode()
@@ -97,7 +103,6 @@ function update_tree!(core::CoreVisualizer, cmd::Delete, data)
 end
 
 update_tree!(core::CoreVisualizer, cmd::SetAnimation, data) = nothing
-update_tree!(core::CoreVisualizer, cmd::SetProperty, data) = nothing
 
 function send_scene(core::CoreVisualizer, connection)
     foreach(core.tree) do node
@@ -107,6 +112,9 @@ function send_scene(core::CoreVisualizer, connection)
         if node.transform !== nothing
             WebSockets.writeguarded(connection, node.transform)
         end
+        for data in values(node.properties)
+            WebSockets.writeguarded(connection, data)
+        end
     end
 end