De-clutter the scene

src/features/editScene/EditorApp.cpp

@@ -18,6 +18,7 @@
 #include "components/EditorMarker.hpp"
 #include "components/PhysicsCollider.hpp"
 #include "components/RigidBody.hpp"
+#include "components/GeneratedPhysicsTag.hpp"
 #include "components/Light.hpp"
 #include "components/Camera.hpp"
 #include "components/Lod.hpp"
@@ -246,6 +247,7 @@ void EditorApp::setupECS()
 	
 	// Register physics components
 	m_world.component<PhysicsColliderComponent>();
+	m_world.component<GeneratedPhysicsTag>();
 	m_world.component<RigidBodyComponent>();
 	
 	// Register light and camera components

src/features/editScene/components/CellGridModule.cpp

@@ -1,5 +1,6 @@
 #include "CellGridModule.hpp"
 #include "CellGrid.hpp"
+#include "GeneratedPhysicsTag.hpp"
 #include <nlohmann/json.hpp>
 #include <Ogre.h>
 
@@ -41,6 +42,7 @@ void registerComponents(flecs::world& world)
     
     // FurnitureTemplateComponent
     world.component<FurnitureTemplateComponent>();
+	world.component<GeneratedPhysicsTag>();
 }
 
 } // namespace CellGridModule

src/features/editScene/components/GeneratedPhysicsTag.hpp

@@ -0,0 +1,11 @@
+#ifndef EDITSCENE_GENERATEDPHYSICSTAG_HPP
+#define EDITSCENE_GENERATEDPHYSICSTAG_HPP
+#pragma once
+
+/**
+ * Marker component for entities auto-generated by systems (e.g. physics colliders).
+ * Entities with this tag are hidden from the editor hierarchy and not serialized.
+ */
+struct GeneratedPhysicsTag {};
+
+#endif // EDITSCENE_GENERATEDPHYSICSTAG_HPP

src/features/editScene/systems/CellGridSystem.cpp

@@ -10,6 +10,7 @@
 #include <OgreStaticGeometry.h>
 #include "../components/ProceduralMaterial.hpp"
 #include "../components/ProceduralTexture.hpp"
+#include "../components/GeneratedPhysicsTag.hpp"
 #include <OgreSceneManager.h>
 #include <OgreMeshManager.h>
 #include <OgreEntity.h>
@@ -2670,6 +2671,7 @@ void CellGridSystem::buildPhysicsColliders(flecs::entity entity)
 		physicsParent.set<TransformComponent>({nullptr, parentPos, parentRot,
 						       parentScale});
 		physicsParent.set<RigidBodyComponent>(RigidBodyComponent());
+		physicsParent.add<GeneratedPhysicsTag>();
 		meshData.physicsParentEntity = physicsParent;
 
 		// Add colliders for main cell grid meshes (local to parent)
@@ -2728,6 +2730,7 @@ void CellGridSystem::buildPhysicsColliders(flecs::entity entity)
 		physicsParent.set<TransformComponent>({nullptr, parentPos, parentRot,
 						       parentScale});
 		physicsParent.set<RigidBodyComponent>(RigidBodyComponent());
+		physicsParent.add<GeneratedPhysicsTag>();
 		plazaIt->second.physicsParentEntity = physicsParent;
 		addPhysicsCollider(physicsParent, plazaIt->second.meshName,
 				   Ogre::Vector3::ZERO, Ogre::Quaternion::IDENTITY);
@@ -2746,6 +2749,7 @@ void CellGridSystem::buildPhysicsColliders(flecs::entity entity)
 		physicsParent.set<TransformComponent>({nullptr, parentPos, parentRot,
 						       parentScale});
 		physicsParent.set<RigidBodyComponent>(RigidBodyComponent());
+		physicsParent.add<GeneratedPhysicsTag>();
 		lotIt->second.physicsParentEntity = physicsParent;
 		addPhysicsCollider(physicsParent, lotIt->second.meshName,
 				   Ogre::Vector3::ZERO, Ogre::Quaternion::IDENTITY);

src/features/editScene/systems/EditorUISystem.cpp

@@ -1,3 +1,4 @@
+#include "../components/GeneratedPhysicsTag.hpp"
 #include "EditorUISystem.hpp"
 #include "../components/EntityName.hpp"
 #include "../components/Transform.hpp"
@@ -347,9 +348,12 @@ void EditorUISystem::renderEntityNode(flecs::entity entity, int depth)
 	}
 
 	// Collect children using flecs::ChildOf relationship
+	// (skip auto-generated physics entities)
 	std::vector<flecs::entity> children;
 	entity.children([&](flecs::entity child) {
-		children.push_back(child);
+		if (!child.has<GeneratedPhysicsTag>()) {
+			children.push_back(child);
+		}
 	});
 	bool hasChildren = !children.empty();
 

src/features/editScene/systems/SceneSerializer.cpp

@@ -16,6 +16,7 @@
 #include "../components/Primitive.hpp"
 #include "../components/TriangleBuffer.hpp"
 #include "../components/CellGrid.hpp"
+#include "../components/GeneratedPhysicsTag.hpp"
 #include "EditorUISystem.hpp"
 #include <random>
 #include <fstream>
@@ -206,7 +207,8 @@ nlohmann::json SceneSerializer::serializeEntity(flecs::entity entity)
 	// Serialize children
 	json["children"] = nlohmann::json::array();
 	entity.children([&](flecs::entity child) {
-		if (child.has<EditorMarkerComponent>()) {
+		if (child.has<EditorMarkerComponent>() &&
+		    !child.has<GeneratedPhysicsTag>()) {
 			json["children"].push_back(serializeEntity(child));
 		}
 	});