Started canvas component work, and moving to unique network pointers (build is broken)

src/CanvasComponents/CanvasComponentContainer.cpp

@@ -0,0 +1,41 @@
+#include "CanvasComponentContainer.hpp"
+
+CanvasComponentContainer::CanvasComponentContainer() { }
+
+CanvasComponentContainer::CanvasComponentContainer(CanvasComponent::CompType type) {
+    allocate_comp(type);
+}
+
+void CanvasComponentContainer::register_class(NetworkingObjects::NetObjManagerTypeList& t) {
+    t.register_class<CanvasComponentContainer, CanvasComponentContainer, CanvasComponentContainer, CanvasComponentContainer>({
+    });
+}
+
+std::unique_ptr<CanvasComponent> CanvasComponentContainer::allocate_comp(CanvasComponent::CompType type) {
+    switch(type) {
+        case CanvasComponent::CompType::BRUSHSTROKE:
+            return std::make_unique<CanvasComponentBrushStroke>();
+        case CanvasComponent::CompType::RECTANGLE:
+            return std::make_unique<CanvasComponentRectangle>();
+        case CanvasComponent::CompType::ELLIPSE:
+            return std::make_unique<CanvasComponentEllipse>();
+        case CanvasComponent::CompType::TEXTBOX:
+            return std::make_unique<CanvasComponentTextBox>();
+        case CanvasComponent::CompType::IMAGE:
+            return std::make_unique<CanvasComponentImage>();
+    }
+}
+
+void CanvasComponentContainer::save_file(cereal::PortableBinaryOutputArchive& a) const {
+}
+
+void CanvasComponentContainer::load_file(cereal::PortableBinaryInputArchive& a, VersionNumber version) {
+}
+
+const std::unique_ptr<CanvasComponent>& CanvasComponentContainer::get_comp() {
+    return comp;
+}
+
+const CoordSpaceHelper& CanvasComponentContainer::get_coords() {
+    return coords;
+}