improved example

examples/example_hud/gui/main_window.cpp

@@ -5,7 +5,6 @@
 #include "main_window.hpp"
 #include "omath/hud/renderer_realizations/imgui_renderer.hpp"
 #include <GLFW/glfw3.h>
-#include <algorithm>
 #include <imgui.h>
 #include <imgui_impl_glfw.h>
 #include <imgui_impl_opengl3.h>
@@ -20,6 +19,10 @@ namespace imgui_desktop::gui
         if (!glfwInit())
             std::exit(EXIT_FAILURE);
 
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
+        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
         glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, true);
         m_window = glfwCreateWindow(width, height, caption.data(), nullptr, nullptr);
 
@@ -28,24 +31,45 @@ namespace imgui_desktop::gui
         ImGui::CreateContext();
         ImGui::StyleColorsDark();
 
-        ImGui::GetStyle().Colors[ImGuiCol_WindowBg] = {0.f, 0.f, 0.f, 0.f};
+        ImGui::GetStyle().Colors[ImGuiCol_WindowBg] = {0.05f, 0.05f, 0.05f, 0.92f};
-
         ImGui::GetStyle().AntiAliasedLines = false;
         ImGui::GetStyle().AntiAliasedFill = false;
-
         ImGui_ImplGlfw_InitForOpenGL(m_window, true);
-        ImGui_ImplOpenGL3_Init("#version 130");
+        ImGui_ImplOpenGL3_Init("#version 150");
     }
 
     void MainWindow::Run()
     {
-        omath::Color box_color = {0.f, 0.f, 0.f, 1.f};
+        // Entity position
+        float entity_x = 550.f, entity_top_y = 150.f, entity_bottom_y = 450.f;
+        float box_ratio = 4.f;
+
+        // Box
+        omath::Color box_color = {1.f, 1.f, 1.f, 1.f};
         omath::Color box_fill  = {0.f, 0.f, 0.f, 0.f};
+        float box_thickness = 1.f;
+        float corner_ratio = 0.2f;
+        bool show_box = true, show_cornered_box = true;
+
+        // Bars
         omath::Color bar_color         = {0.f, 1.f, 0.f, 1.f};
-        omath::Color bar_bg_color = {0.f, 0.f, 0.f, 0.0f};
+        omath::Color bar_bg_color      = {0.f, 0.f, 0.f, 0.5f};
         omath::Color bar_outline_color = {0.f, 0.f, 0.f, 1.f};
-        float bar_width = 3.f;
+        float bar_width = 4.f, bar_value = 0.75f, bar_offset = 5.f;
-        float bar_value = 1.f;
+        bool show_right_bar = true, show_left_bar = true;
+        bool show_top_bar = true,   show_bottom_bar = true;
+
+        // Labels
+        float label_offset = 3.f;
+        bool outlined = true;
+        bool show_right_labels = true, show_left_labels = true;
+        bool show_top_labels = true,   show_bottom_labels = true;
+        bool show_centered_top = true, show_centered_bottom = true;
+
+        // Snap line
+        omath::Color snap_color = omath::Color::from_rgba(255, 50, 50, 255);
+        float snap_width = 1.5f;
+        bool show_snap = true;
 
         while (!glfwWindowShouldClose(m_window) && m_opened)
         {
@@ -55,50 +79,122 @@ namespace imgui_desktop::gui
             ImGui_ImplGlfw_NewFrame();
             ImGui::NewFrame();
 
-            ImGui::GetBackgroundDrawList()->AddRectFilled({}, ImGui::GetMainViewport()->Size, ImColor(40, 40, 40, 200));
+            const auto* viewport = ImGui::GetMainViewport();
+            ImGui::GetBackgroundDrawList()->AddRectFilled({}, viewport->Size, ImColor(30, 30, 30, 220));
 
-            ImGui::Begin("OHUD Showcase", &m_opened,
+            // ── Side panel ──────────────────────────────────────────────
-                         ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoDecoration);
+            constexpr float panel_w = 280.f;
+            ImGui::SetNextWindowPos({0.f, 0.f});
+            ImGui::SetNextWindowSize({panel_w, viewport->Size.y});
+            ImGui::Begin("Controls", &m_opened,
+                         ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);
+
+            ImGui::PushItemWidth(160.f);
+
+            if (ImGui::CollapsingHeader("Entity", ImGuiTreeNodeFlags_DefaultOpen))
             {
-                ImGui::SetWindowPos({});
+                ImGui::SliderFloat("X##ent",      &entity_x,       100.f, viewport->Size.x - 100.f);
-                ImGui::SetWindowSize(ImGui::GetMainViewport()->Size);
+                ImGui::SliderFloat("Top Y",        &entity_top_y,   20.f,  entity_bottom_y - 20.f);
-
+                ImGui::SliderFloat("Bottom Y",     &entity_bottom_y, entity_top_y + 20.f, viewport->Size.y - 20.f);
-                ImGui::ColorEdit4("Box", reinterpret_cast<float*>(&box_color), ImGuiColorEditFlags_NoInputs);
+                ImGui::SliderFloat("Aspect ratio", &box_ratio,      1.f,   10.f);
-                ImGui::ColorEdit4("Box fill", reinterpret_cast<float*>(&box_fill), ImGuiColorEditFlags_NoInputs);
-                ImGui::ColorEdit4("Bar", reinterpret_cast<float*>(&bar_color), ImGuiColorEditFlags_NoInputs);
-                ImGui::ColorEdit4("Bar Background", reinterpret_cast<float*>(&bar_bg_color),
-                                  ImGuiColorEditFlags_NoInputs);
-                ImGui::ColorEdit4("Bar Outline", reinterpret_cast<float*>(&bar_outline_color),
-                                  ImGuiColorEditFlags_NoInputs);
-
-                ImGui::PushItemWidth(100.f);
-                ImGui::SliderFloat("Bar Width", &bar_width, 1.f, 20.f);
-                ImGui::SliderFloat("Bar Value", &bar_value, 0.f, 1.f);
-                ImGui::PopItemWidth();
-                ImGui::End();
             }
 
-            omath::hud::EntityOverlay ent({400.f, 100.f}, {400.f, 400.f}, std::make_shared<omath::hud::ImguiHudRenderer>());
+            if (ImGui::CollapsingHeader("Box", ImGuiTreeNodeFlags_DefaultOpen))
+            {
+                ImGui::Checkbox("Show box",         &show_box);
+                ImGui::Checkbox("Show cornered box", &show_cornered_box);
+                ImGui::ColorEdit4("Color##box",  reinterpret_cast<float*>(&box_color), ImGuiColorEditFlags_NoInputs);
+                ImGui::ColorEdit4("Fill##box",   reinterpret_cast<float*>(&box_fill),  ImGuiColorEditFlags_NoInputs);
+                ImGui::SliderFloat("Thickness",  &box_thickness, 0.5f, 5.f);
+                ImGui::SliderFloat("Corner ratio", &corner_ratio, 0.05f, 0.5f);
+            }
 
-            ent.add_2d_box(box_color, box_fill, 1.f);
+            if (ImGui::CollapsingHeader("Bars", ImGuiTreeNodeFlags_DefaultOpen))
-            ent.add_cornered_2d_box(omath::Color::from_rgba(255, 0, 255, 255), box_fill);
+            {
-            ent.add_right_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value);
+                ImGui::ColorEdit4("Color##bar",   reinterpret_cast<float*>(&bar_color),         ImGuiColorEditFlags_NoInputs);
-            ent.add_left_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value);
+                ImGui::ColorEdit4("BG##bar",      reinterpret_cast<float*>(&bar_bg_color),      ImGuiColorEditFlags_NoInputs);
-            ent.add_top_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value);
+                ImGui::ColorEdit4("Outline##bar", reinterpret_cast<float*>(&bar_outline_color), ImGuiColorEditFlags_NoInputs);
-            ent.add_right_label({0.f, 1.f, 0.f, 1.f}, 3, true, "Health: {}/100", 100);
+                ImGui::SliderFloat("Width##bar",  &bar_width,  1.f, 20.f);
-            ent.add_right_label({1.f, 0.f, 0.f, 1.f}, 3, true, "Shield: {}/125", 125);
+                ImGui::SliderFloat("Value##bar",  &bar_value,  0.f,  1.f);
-            ent.add_right_label({1.f, 0.f, 1.f, 1.f}, 3, true, "*LOCKED*");
+                ImGui::SliderFloat("Offset##bar", &bar_offset, 1.f, 20.f);
+                ImGui::Checkbox("Right bar",  &show_right_bar);  ImGui::SameLine();
+                ImGui::Checkbox("Left bar",   &show_left_bar);
+                ImGui::Checkbox("Top bar",    &show_top_bar);    ImGui::SameLine();
+                ImGui::Checkbox("Bottom bar", &show_bottom_bar);
+            }
+
+            if (ImGui::CollapsingHeader("Labels", ImGuiTreeNodeFlags_DefaultOpen))
+            {
+                ImGui::Checkbox("Outlined", &outlined);
+                ImGui::SliderFloat("Offset##lbl", &label_offset, 0.f, 15.f);
+                ImGui::Checkbox("Right##lbl",          &show_right_labels);   ImGui::SameLine();
+                ImGui::Checkbox("Left##lbl",           &show_left_labels);
+                ImGui::Checkbox("Top##lbl",            &show_top_labels);     ImGui::SameLine();
+                ImGui::Checkbox("Bottom##lbl",         &show_bottom_labels);
+                ImGui::Checkbox("Centered top##lbl",   &show_centered_top);   ImGui::SameLine();
+                ImGui::Checkbox("Centered bot##lbl",   &show_centered_bottom);
+            }
+
+            if (ImGui::CollapsingHeader("Snap Line"))
+            {
+                ImGui::Checkbox("Show##snap", &show_snap);
+                ImGui::ColorEdit4("Color##snap", reinterpret_cast<float*>(&snap_color), ImGuiColorEditFlags_NoInputs);
+                ImGui::SliderFloat("Width##snap", &snap_width, 0.5f, 5.f);
+            }
+
+            ImGui::PopItemWidth();
+            ImGui::End();
+
+            // ── Entity overlay ───────────────────────────────────────────
+            omath::hud::EntityOverlay ent(
+                {entity_x, entity_top_y}, {entity_x, entity_bottom_y},
+                std::make_shared<omath::hud::ImguiHudRenderer>());
+
+            if (show_box)
+                ent.add_2d_box(box_color, box_fill, box_thickness);
+            if (show_cornered_box)
+                ent.add_cornered_2d_box(omath::Color::from_rgba(255, 0, 255, 255), box_fill, corner_ratio, box_thickness);
+
+            if (show_right_bar)
+                ent.add_right_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value, bar_offset);
+            if (show_left_bar)
+                ent.add_left_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value, bar_offset);
+            if (show_top_bar)
+                ent.add_top_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value, bar_offset);
+            if (show_bottom_bar)
+                ent.add_bottom_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value, bar_offset);
+
+            if (show_right_labels)
+            {
+                ent.add_right_label({0.f, 1.f, 0.f, 1.f}, label_offset, outlined, "Health: {}/100", 100);
+                ent.add_right_label({1.f, 0.f, 0.f, 1.f}, label_offset, outlined, "Shield: {}/125", 125);
+                ent.add_right_label({1.f, 0.f, 1.f, 1.f}, label_offset, outlined, "*LOCKED*");
+            }
+            if (show_left_labels)
+            {
+                ent.add_left_label(omath::Color::from_rgba(255, 128, 0, 255), label_offset, outlined, "Armor: 75");
+                ent.add_left_label(omath::Color::from_rgba(0, 200, 255, 255), label_offset, outlined, "Level: 42");
+            }
+            if (show_top_labels)
+            {
+                ent.add_top_label(omath::Color::from_rgba(255, 255, 0, 255), label_offset, outlined, "*SCOPED*");
+                ent.add_top_label(omath::Color::from_rgba(255, 0,   0, 255), label_offset, outlined, "*BLEEDING*");
+            }
+            if (show_centered_top)
+                ent.add_centered_top_label(omath::Color::from_rgba(0, 255, 255, 255), label_offset, outlined, "*VISIBLE*");
+            if (show_centered_bottom)
+                ent.add_centered_bottom_label(omath::Color::from_rgba(255, 255, 255, 255), label_offset, outlined, "PlayerName");
+            if (show_bottom_labels)
+                ent.add_bottom_label(omath::Color::from_rgba(200, 200, 0, 255), label_offset, outlined, "42m");
+
+            if (show_snap)
+                ent.add_snap_line({viewport->Size.x / 2.f, viewport->Size.y}, snap_color, snap_width);
 
-            ent.add_top_label(omath::Color::from_rgba(255, 255, 0, 255), 3, true, "*SCOPED*");
-            ent.add_top_label(omath::Color::from_rgba(255, 0, 0, 255), 3, true, "*BLEEDING*");
-            ent.add_snap_line(omath::Vector2<float>{400, 600}, omath::Color::from_rgba(255, 0, 0, 255), 2.f);
             ImGui::Render();
 
             int display_w, display_h;
-
             glfwGetFramebufferSize(m_window, &display_w, &display_h);
             glViewport(0, 0, display_w, display_h);
-
             glClearColor(0.f, 0.f, 0.f, 0.f);
             glClear(GL_COLOR_BUFFER_BIT);
             ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
@@ -107,4 +203,3 @@ namespace imgui_desktop::gui
         glfwDestroyWindow(m_window);
     }
 } // namespace imgui_desktop::gui
-// imgui_desktop