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

79 lines
1.8 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)
{
}
SceneHierarchyPanel::SceneHierarchyPanel(Ref<Scene> context, Ref<PropertiesPanel> properties_panel)
: m_context(std::move(context))
, m_properties_panel_context(std::move(properties_panel))
{
}
void SceneHierarchyPanel::on_user_interface_update()
{
if (m_context)
{
ImGui::Begin("Hierarchy");
for (auto entityID : m_context->m_registry.view<TagComponent>())
{
auto entity = Entity {
static_cast<entt::entity>(entityID),
m_context.get(),
};
const auto &tag = entity.get_component<TagComponent>();
draw_node(entity, tag);
};
}
ImGui::End();
}
void SceneHierarchyPanel::set_context(Ref<Scene> context, Ref<PropertiesPanel> properties_panel)
{
if (properties_panel)
{
m_properties_panel_context = std::move(properties_panel);
}
m_context = std::move(context);
}
void SceneHierarchyPanel::draw_node(Entity entity, const std::string &label)
{
auto flags = ImGuiTreeNodeFlags {
// NOLINTNEXTLINE
(m_selection_context == entity ? ImGuiTreeNodeFlags_Selected : ImGuiTreeNodeFlags {})
| ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_SpanFullWidth
};
// NOLINTNEXTLINE
const auto expanded = ImGui::TreeNodeEx(
std::bit_cast<void *>(static_cast<uint64_t>(entity)),
flags,
"%s",
label.c_str()
);
if (ImGui::IsItemClicked())
{
m_selection_context = entity;
m_properties_panel_context->set_entity_context(entity);
}
if (expanded)
{
ImGui::TextUnformatted("TEST_OPENED_TREE!");
ImGui::TreePop();
}
}
} // namespace Light