thief-mission-viewer/project/code/TMV/Model.cs

using Godot;
using KeepersCompound.TMV.UI;

namespace KeepersCompound.TMV;

public partial class Model : Node3D
{
    public override void _Ready()
    {
        var modelSelector = GetNode<Control>("%ModelSelector") as ModelSelector;
        modelSelector.ModelSelected += BuildModel;
    }

    public void BuildModel(string campaignName, string modelPath)
    {
        foreach (var node in GetChildren())
        {
            node.QueueFree();
        }

        var model = Context.Instance.ModelLoader.Load(campaignName, modelPath);
        AddChild(model);
    }
}