From 0bbfe41117e32b045d230a1263ed73c6ed445020 Mon Sep 17 00:00:00 2001
From: Erris <ferryantoine@outlook.fr>
Date: Mon, 23 Feb 2026 01:40:05 +0100
Subject: [PATCH] adding entity stats. Added security to prevent mouse picking
 selection when dragging

---
 editor/include/editor.hpp                     | 22 +++++++++++++++----
 .../opengl/opengl_vertex_array.cpp            |  1 -
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/editor/include/editor.hpp b/editor/include/editor.hpp
index 780460e..e3ccfe6 100755
--- a/editor/include/editor.hpp
+++ b/editor/include/editor.hpp
@@ -136,12 +136,19 @@ namespace OpenEngine {
                 int mouse_y = (int)my;
 
                 static bool clicked = false;
-                if (Input::IsMouseButtonPressed(MouseCode::ButtonLeft) && mouse_x >= 0 && mouse_y >= 0 && mouse_x < (int)viewport_size.x && (int)viewport_size.y) {
+                // Mouse Picking
+                if (Input::IsMouseButtonPressed(MouseCode::ButtonLeft)
+                        && mouse_x >= 0 && mouse_y >= 0
+                        && mouse_x < (int)viewport_size.x && (int)viewport_size.y &&
+                        !ImGuizmo::IsOver() && !Input::IsKeyPressed(KeyCode::LeftAlt)) {
                     if (!clicked) {
                         int id = framebuffer->ReadPixel(1, mouse_x, mouse_y);
 
-                        if (id != -1)
-                            scene_hierarchy.SetSelectedEntity({ (entt::entity)id, scene.get() });
+                        selected_entity = id == -1 ?
+                            Entity() : Entity((entt::entity)id, scene.get());
+
+                        scene_hierarchy.SetSelectedEntity(selected_entity);
+
                     }
 
                     clicked = true;
@@ -276,12 +283,19 @@ namespace OpenEngine {
                 }
 
                 ImGui::Begin("Statistics");
+                ImGui::SeparatorText("Performance");
                 ImGui::Text("FPS: %0.0f", 1 / Time::DeltaTime());
                 ImGui::Text("Renderer2D:");
                 ImGui::Text("\t\tDraw calls: %d", stats.draw_calls);
                 ImGui::Text("\t\tQuad count: %d", stats.quad_count);
                 ImGui::Text("\t\tVertices count: %d", stats.GetTotalVertexCount());
                 ImGui::Text("\t\tIndices count: %d", stats.GetTotalIndexCount());
+                if (selected_entity) {
+                    ImGui::SeparatorText("Entities");
+                    ImGui::Text("Selected entity:");
+                    ImGui::Text("\t\tname: %s", selected_entity.GetComponents<TagComponent>().tag.c_str());
+                    ImGui::Text("\t\tid: %d", (uint32_t)selected_entity);
+                }
                 ImGui::End();
             };
 
@@ -396,7 +410,7 @@ namespace OpenEngine {
             int guizmo_operation = -1;
 
             Ref<Scene> scene;
-            std::vector<Entity> entities;
+            Entity selected_entity;
     };
 }
 
diff --git a/open_engine/src/open_engine/opengl/opengl_vertex_array.cpp b/open_engine/src/open_engine/opengl/opengl_vertex_array.cpp
index b96a7d5..439eedd 100644
--- a/open_engine/src/open_engine/opengl/opengl_vertex_array.cpp
+++ b/open_engine/src/open_engine/opengl/opengl_vertex_array.cpp
@@ -79,7 +79,6 @@ namespace OpenEngine {
                         element.normalized? GL_TRUE : GL_FALSE,
                         layout.GetStride(),
                         (const void*)(intptr_t)element.offset);
-
             }
             index++;
         }