private static unsafe void SubmitEntitiesWindow(EntityAdmin admin, Dictionary <Entity, List <int> > entityToComponentGroups)
{
ImGui.Begin("Entities and Components");
bool createEntity = SubmitAddComponent("Create Entity", out Type componentType);
Entity entityToDestroy = SelectedEntityComponent as Entity;
bool disabled = entityToDestroy == null;
if (disabled)
{
Util.ImGuiUtil.BeginDisable();
}
if (ImGui.Button("Destroy Entity") && !disabled)
{
admin.DestroyEntity(entityToDestroy);
}
if (disabled)
{
Util.ImGuiUtil.EndDisable();
}
ImGui.Separator();
ImGui.BeginChild("scrolling", Vector2.Zero, false, ImGuiWindowFlags.HorizontalScrollbar);
var entities = EntityAdminUtil.GetEntities(admin);
foreach (var entity in entities)
{
var components = entity.Components;
ImGuiTreeNodeFlags nodeFlags = ImGuiTreeNodeFlags.OpenOnArrow | ImGuiTreeNodeFlags.OpenOnDoubleClick | ImGuiTreeNodeFlags.SpanAvailWidth; // OpenOnDoubleClick doesn't seem to work. Not sure why.
if (entity.Components.Count == 0)
{
nodeFlags |= ImGuiTreeNodeFlags.Leaf;
}
if (entity == SelectedEntityComponent)
{
nodeFlags |= ImGuiTreeNodeFlags.Selected;
if (scrollEntitiesView)
{
ImGui.SetScrollHereY();
}
}
if (entity.HasComponent <DontDestroyOnClear>(true))
{
ImGui.PushFont(ImGuiController.BoldFont);
}
if (!entity.IsActive)
{
ImGui.PushStyleColor(ImGuiCol.Text, new Vector4(0.5f, 0.5f, 0.5f, 1f));
}
bool errorInEntity = false;
for (int i = 0; i < components.Count; i++)
{
if (!RequiresSystem.HasECSSystemForType(components[i].GetType(), HostHelper.GameSystems, out _))
{
errorInEntity = true;
}
if (components[i] == SelectedEntityComponent)
{
ImGui.SetNextItemOpen(true);
}
}
string componentGroupsText = string.Empty;
if (entityToComponentGroups.ContainsKey(entity))
{
foreach (int groupNum in entityToComponentGroups[entity])
{
componentGroupsText = $"({groupNum}){componentGroupsText}";
}
if (entityToComponentGroups[entity].Count() > 1)
{
errorInEntity = true;
}
}
if (errorInEntity)
{
ImGui.PushStyleColor(ImGuiCol.Text, new Vector4(1f, 0f, 0f, 1f));
}
string entityTransformText = !entity.HasComponent <Transform>(true) ? "~ " : "";
string entityLabelText = $"{componentGroupsText}{entityTransformText}{entity.Name}";
bool expanded = ImGui.TreeNodeEx(entity.Guid.ToString(), nodeFlags, entityLabelText);
if (errorInEntity)
{
ImGui.PopStyleColor();
}
if (!entity.IsActive)
{
ImGui.PopStyleColor();
}
if (entity.HasComponent <DontDestroyOnClear>(true))
{
ImGui.PopFont();
}
if (ImGui.IsItemClicked())
{
SelectedEntityComponent = entity;
scrollSceneGraphView = true;
}
if (ImGui.BeginDragDropSource())
{
ImGui.SetDragDropPayload(PAYLOAD_STRING, IntPtr.Zero, 0); // Payload is needed to trigger BeginDragDropTarget()
draggedObject = entity;
ImGui.Text(entity.Name);
ImGui.EndDragDropSource();
}
if (expanded)
{
for (int i = 0; i < components.Count; i++)
{
Component component = components[i];
nodeFlags = ImGuiTreeNodeFlags.Leaf | ImGuiTreeNodeFlags.SpanAvailWidth | ImGuiTreeNodeFlags.NoTreePushOnOpen; // This last one means that you can't do aImGui.TreePop(); or things will be messed up.
if (component == SelectedEntityComponent)
{
nodeFlags |= ImGuiTreeNodeFlags.Selected;
if (scrollEntitiesView)
{
ImGui.SetScrollHereY();
}
}
if (!component.IsActive)
{
ImGui.PushStyleColor(ImGuiCol.Text, new Vector4(0.5f, 0.5f, 0.5f, 1f));
}
bool hasRequiredSystems = RequiresSystem.HasECSSystemForType(component.GetType(), HostHelper.GameSystems, out _);
if (!hasRequiredSystems)
{
ImGui.PushStyleColor(ImGuiCol.Text, new Vector4(1f, 0f, 0f, 1f));
}
ImGui.TreeNodeEx(component.Guid.ToString(), nodeFlags, component.Name);
if (!hasRequiredSystems)
{
ImGui.PopStyleColor();
}
if (!component.IsActive)
{
ImGui.PopStyleColor();
}
if (ImGui.IsItemClicked())
{
SelectedEntityComponent = component;
scrollSceneGraphView = true;
}
if (ImGui.BeginDragDropSource())
{
ImGui.SetDragDropPayload(PAYLOAD_STRING, IntPtr.Zero, 0); // Payload is needed to trigger BeginDragDropTarget()
draggedObject = component;
ImGui.Text(component.Name);
ImGui.EndDragDropSource();
}
}
ImGui.TreePop();
}
}
scrollEntitiesView = false;
if (createEntity)
{
var entity = admin.CreateEntity($"{componentType.Name}'s Entity");
SelectedEntityComponent = admin.AddComponent(entity, componentType);
scrollEntitiesView = true; // For some reason this doesn't work half the time -_- Not sure why...
}
ImGui.End();
}
