light/modules/mirror/src/panel/scene_hierarchy.cpp

70 lines
1.7 KiB
C++

#include <engine/scene/components.hpp>
#include <entt/entt.hpp>
#include <imgui.h>
#include <mirror/panel/properties.hpp>
#include <mirror/panel/scene_hierarchy.hpp>
namespace Light {
SceneHierarchyPanel::SceneHierarchyPanel()
: m_context(nullptr)
, m_properties_panel_context(nullptr)
, m_selection_context()
{
}
SceneHierarchyPanel::
SceneHierarchyPanel(Ref<Scene> context, Ref<PropertiesPanel> propertiesPanel /* = nullptr */)
: m_context(context)
, m_properties_panel_context(propertiesPanel)
{
}
void SceneHierarchyPanel::OnUserInterfaceUpdate()
{
if (m_context)
{
ImGui::Begin("Hierarchy");
for (auto entityID : m_context->m_registry.view<TagComponent>())
{
Entity entity(static_cast<entt::entity>(entityID), m_context.get());
const std::string &tag = entity.GetComponent<TagComponent>();
DrawNode(entity, tag);
};
}
ImGui::End();
}
void SceneHierarchyPanel::
SetContext(Ref<Scene> context, Ref<PropertiesPanel> propertiesPanel /* = nullptr */)
{
if (propertiesPanel)
m_properties_panel_context = propertiesPanel;
m_context = context;
}
void SceneHierarchyPanel::DrawNode(Entity entity, const std::string &label)
{
ImGuiTreeNodeFlags flags = (m_selection_context == entity ? ImGuiTreeNodeFlags_Selected : NULL)
| ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_SpanFullWidth;
bool expanded = ImGui::TreeNodeEx((void *)(uint64_t)(uint32_t)(entity), flags, label.c_str());
if (ImGui::IsItemClicked())
{
m_selection_context = entity;
m_properties_panel_context->SetEntityContext(entity);
}
if (expanded)
{
ImGui::Text("TEST_OPENED_TREE!");
ImGui::TreePop();
}
}
} // namespace Light