public override void DrawEditor(double delta)
{
_selectedSystem = _selectedSystem ?? _scene.LogicSystems.First();
if (ImGui.BeginCombo("System", _selectedSystem.ToString())) // The second parameter is the label previewed before opening the combo.
{
foreach (var system in _scene.LogicSystems)
{
bool is_selected = system == _selectedSystem;
if (ImGui.Selectable(system.ToString(), is_selected))
{
_selectedSystem = system;
}
if (is_selected)
{
ImGui.SetItemDefaultFocus();
}
}
foreach (var system in _scene.RendererSystems)
{
bool is_selected = system == _selectedSystem;
if (ImGui.Selectable(system.ToString(), is_selected))
{
_selectedSystem = system;
}
if (is_selected)
{
ImGui.SetItemDefaultFocus();
}
}
ImGui.EndCombo();
}
_propertyGrid.Draw(_selectedSystem);
}
private void DrawComponentEditor <T>(Entity entity)
{
if (entity.Has <T>())
{
var component = entity.Get <T>();
ImGui.PushID(component.GetType().Name);
if (ImGui.CollapsingHeader(component.GetType().Name, ImGuiTreeNodeFlags.DefaultOpen))
{
var propChanged = _propertyGrid.Draw(component);
if (propChanged)
{
entity.Set(component);
}
}
ImGui.PopID();
}
}