74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
#ifndef SCENE_HIERARCHY_HPP
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#define SCENE_HIERARCHY_HPP
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#include "imgui.h"
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#include <open_engine.hpp>
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namespace OpenEngine {
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class SceneHierarchy
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{
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public:
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SceneHierarchy() = default;
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SceneHierarchy(const Ref<Scene>& scene);
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void SetContext(const Ref<Scene>& scene);
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void OnImGuiRender();
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Entity GetSelectedEntity() const { return selected_context; };
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void SetSelectedEntity(Entity entity) { selected_context = entity; };
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private:
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void DrawEntityNode(Entity& entity);
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void DrawComponents(Entity& entity);
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template <typename T>
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void DrawComponentDrawer(Entity& entity, const char* header)
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{
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bool component_marked_deletion = false;
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ImVec2 region_available = ImGui::GetContentRegionAvail();
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ImGuiTreeNodeFlags tree_node_flags = ImGuiTreeNodeFlags_DefaultOpen
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| ImGuiTreeNodeFlags_Framed
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| ImGuiTreeNodeFlags_AllowOverlap;
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if (entity.HasComponent<T>()) {
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ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{ 4, 4 });
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float line_height = ImGui::GetFontSize() + ImGui::GetStyle().FramePadding.y * 2.0f;
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bool opened = ImGui::TreeNodeEx((void*)typeid(T).hash_code(), tree_node_flags, "%s", header);
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ImGui::SameLine(region_available.x - line_height * 0.5f);
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ImGui::PushStyleColor(ImGuiCol_Button, { 0.290f, 0.301f, 0.388f, 1.0f });
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if (ImGui::Button("...", ImVec2{ line_height, line_height }))
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ImGui::OpenPopup("component_settings");
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ImGui::PopStyleColor();
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ImGui::PopStyleVar();
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if (ImGui::BeginPopup("component_settings")) {
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if (ImGui::MenuItem("Remove component"))
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component_marked_deletion = true;
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ImGui::EndPopup();
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}
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if (opened) {
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entity.GetComponents<T>().OnImGuiRender(entity);
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ImGui::TreePop();
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}
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ImGui::Separator();
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}
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if (component_marked_deletion)
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entity.RemoveComponents<T>();
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}
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private:
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Ref<Scene> scene;
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Entity selected_context, renamed_entity;
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double last_selected_time = 10.0;
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};
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}
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#endif // SCENE_HIERARCHY_HPP
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