#include "config_state.h" #include "rendering/renderer.h" #include "core/application.h" #include "core/theme_manager.h" #include "core/settings_manager.h" #include #include #include namespace Donut { auto ConfigState::on_enter() -> void { DONUT_INFO("Entering Config State"); const auto& settings = SettingsManager::get_settings_const(); m_selected_api = (settings.graphics.render_api == "Vulkan") ? RendererAPI::API::Vulkan : RendererAPI::API::OpenGL; m_selected_theme = (settings.graphics.selected_theme == "Light") ? 1 : (settings.graphics.selected_theme == "Blue") ? 2 : 0; m_target_fps = settings.simulation.target_fps; m_compute_height = settings.simulation.compute_height; m_max_steps_moving = settings.simulation.max_steps_moving; m_max_steps_static = settings.simulation.max_steps_static; m_early_exit_distance = settings.simulation.early_exit_distance; m_gravity_enabled = settings.simulation.gravity_enabled; m_v_sync_enabled = settings.graphics.v_sync_enabled; m_show_fps = settings.graphics.show_fps; m_show_performance_metrics = settings.graphics.show_performance_metrics; m_show_debug_info = settings.graphics.show_debug_info; m_enable_anti_aliasing = settings.graphics.enable_anti_aliasing; } auto ConfigState::on_exit() -> void { DONUT_INFO("Exiting Config State"); } auto ConfigState::on_update(float delta_time) -> void { if (m_show_restart_message) { m_restart_message_timer += delta_time; if (m_restart_message_timer > 3.0f) { m_show_restart_message = false; m_restart_message_timer = 0.0f; } } } auto ConfigState::on_render() -> void { Renderer::set_clear_color({ 0.1f, 0.1f, 0.1f, 1.0f }); Renderer::clear(); } auto ConfigState::on_event(Event& event) -> void { } auto ConfigState::on_im_ui_render() -> void { ImGui::SetNextWindowSize(ImVec2(900, 700), ImGuiCond_FirstUseEver); ImGui::SetNextWindowPos(ImVec2(ImGui::GetIO().DisplaySize.x * 0.5f, ImGui::GetIO().DisplaySize.y * 0.5f), ImGuiCond_FirstUseEver, ImVec2(0.5f, 0.5f)); ImGui::Begin("Donut Configuration", nullptr, ImGuiWindowFlags_NoCollapse); ImGui::PushFont(ImGui::GetIO().Fonts->Fonts[0]); ImGui::TextColored(ImVec4(0.8f, 0.8f, 1.0f, 1.0f), "Donut Configuration"); ImGui::PopFont(); ImGui::Separator(); ImGui::Columns(2, "ConfigColumns", true); float available_height = ImGui::GetWindowHeight() - 140; ImGui::BeginChild("GraphicsSettings", ImVec2(0, available_height), true, ImGuiWindowFlags_AlwaysVerticalScrollbar); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Graphics Settings"); ImGui::Separator(); ImGui::Text("Render API:"); ImGui::SameLine(); ImGui::TextColored(ImVec4(0.7f, 0.7f, 0.7f, 1.0f), "(requires restart)"); const char* api_names[] = { "OpenGL", "Vulkan" }; static int current_api = (int)m_selected_api - 1; if (ImGui::BeginCombo("##RenderAPI", api_names[current_api])) { for (int i = 0; i < IM_ARRAYSIZE(api_names); i++) { const bool is_selected = (current_api == i); if (ImGui::Selectable(api_names[i], is_selected)) { current_api = i; m_selected_api = (RendererAPI::API)(i + 1); m_show_restart_message = true; m_restart_message_timer = 0.0f; } if (is_selected) ImGui::SetItemDefaultFocus(); } ImGui::EndCombo(); } ImGui::Text("Current API: "); ImGui::SameLine(); const char* current_api_name = (Renderer::get_api() == RendererAPI::API::OpenGL) ? "OpenGL" : "Vulkan"; ImGui::TextColored(ImVec4(0.3f, 0.8f, 0.3f, 1.0f), current_api_name); ImGui::Spacing(); ImGui::Checkbox("Enable VSync", &m_v_sync_enabled); ImGui::SameLine(); ImGui::TextColored(ImVec4(0.7f, 0.7f, 0.7f, 1.0f), "(recommended)"); ImGui::Spacing(); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Display"); ImGui::Separator(); ImGui::Text("Window Size: 1280x720"); ImGui::TextColored(ImVec4(0.7f, 0.7f, 0.7f, 1.0f), "Fullscreen: Not implemented yet"); ImGui::Spacing(); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "System Info"); ImGui::Separator(); ImGui::Text("OpenGL Version: %s", glGetString(GL_VERSION)); ImGui::Text("GPU: %s", glGetString(GL_RENDERER)); ImGui::Text("Vendor: %s", glGetString(GL_VENDOR)); ImGui::Spacing(); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Performance"); ImGui::Separator(); ImGui::SliderInt("Target FPS", &m_target_fps, 30, 120, "%d FPS"); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Target frame rate for the simulation"); ImGui::Checkbox("Show FPS Counter", &m_show_fps); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Display current FPS in the simulation"); ImGui::Checkbox("Show Performance Metrics", &m_show_performance_metrics); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Show detailed performance information"); ImGui::Checkbox("Show Debug Info", &m_show_debug_info); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Display debug information and statistics"); ImGui::Checkbox("Enable Anti-Aliasing", &m_enable_anti_aliasing); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Enable anti-aliasing for smoother rendering"); ImGui::Spacing(); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Theme"); ImGui::Separator(); const char* theme_names[] = { "Dark", "Light", "Blue" }; if (ImGui::Combo("UI Theme", &m_selected_theme, theme_names, IM_ARRAYSIZE(theme_names))) ThemeManager::set_theme(static_cast(m_selected_theme)); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Choose the application theme"); ImGui::EndChild(); ImGui::NextColumn(); ImGui::BeginChild("SimulationSettings", ImVec2(0, available_height), true, ImGuiWindowFlags_AlwaysVerticalScrollbar); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Simulation Settings"); ImGui::Separator(); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Quality"); ImGui::Separator(); ImGui::SliderInt("Compute Height", &m_compute_height, 64, 2048, "%d px"); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Resolution of the compute shader. Higher values give better quality but lower performance."); ImGui::TextColored(ImVec4(0.7f, 0.7f, 0.7f, 1.0f), "Higher = better quality, lower performance"); ImGui::SliderInt("Max Steps (Moving)", &m_max_steps_moving, 1000, 60000, "%d"); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Maximum ray marching steps when camera is moving"); ImGui::SliderInt("Max Steps (Static)", &m_max_steps_static, 1000, 30000, "%d"); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Maximum ray marching steps when camera is stationary"); ImGui::SliderFloat("Early Exit Distance", &m_early_exit_distance, 1e11f, 1e13f, "%.2e"); if (ImGui::IsItemHovered()) ImGui::SetTooltip("Distance at which ray marching stops to improve performance"); ImGui::TextColored(ImVec4(0.7f, 0.7f, 0.7f, 1.0f), "Distance at which ray marching stops"); ImGui::Spacing(); ImGui::TextColored(ImVec4(0.9f, 0.9f, 1.0f, 1.0f), "Physics"); ImGui::Separator(); ImGui::Checkbox("Enable Gravity", &m_gravity_enabled); ImGui::EndChild(); ImGui::Columns(1); ImGui::Spacing(); ImGui::Separator(); ImGui::Spacing(); float button_width = (ImGui::GetWindowWidth() - 120) / 5.0f; if (ImGui::Button("World Builder", ImVec2(button_width, 35))) { apply_settings(); Application::get().get_state_manager().switch_to_state("WorldBuilder"); } ImGui::SameLine(); if (ImGui::Button("Reset to Defaults", ImVec2(button_width, 35))) reset_to_defaults(); ImGui::SameLine(); if (ImGui::Button("Apply Settings", ImVec2(button_width, 35))) apply_settings(); ImGui::SameLine(); if (ImGui::Button("Save Settings", ImVec2(button_width, 35))) { apply_settings(); DONUT_INFO("Settings saved manually"); } ImGui::SameLine(); if (ImGui::Button("Exit", ImVec2(button_width, 35))) Application::get().close(); if (m_show_restart_message) { ImGui::SetCursorPosY(ImGui::GetCursorPosY() + 10); ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.8f, 0.2f, 1.0f)); ImGui::TextWrapped("Warning: Render API changed! Please restart the application for changes to take effect."); ImGui::PopStyleColor(); } ImGui::Spacing(); ImGui::Separator(); ImGui::TextColored(ImVec4(0.5f, 0.5f, 0.5f, 1.0f), "Donut Engine v1.0.0 | Black Hole Simulation"); ImGui::End(); } auto ConfigState::apply_settings() -> void { SimulationSettings sim_settings; sim_settings.target_fps = m_target_fps; sim_settings.compute_height = m_compute_height; sim_settings.max_steps_moving = m_max_steps_moving; sim_settings.max_steps_static = m_max_steps_static; sim_settings.early_exit_distance = m_early_exit_distance; sim_settings.gravity_enabled = m_gravity_enabled; GraphicsSettings gfx_settings; gfx_settings.render_api = (m_selected_api == RendererAPI::API::Vulkan) ? "Vulkan" : "OpenGL"; gfx_settings.v_sync_enabled = m_v_sync_enabled; gfx_settings.show_fps = m_show_fps; gfx_settings.show_performance_metrics = m_show_performance_metrics; gfx_settings.show_debug_info = m_show_debug_info; gfx_settings.enable_anti_aliasing = m_enable_anti_aliasing; gfx_settings.selected_theme = (m_selected_theme == 1) ? "Light" : (m_selected_theme == 2) ? "Blue" : "Dark"; SettingsManager::set_simulation_settings(sim_settings); SettingsManager::set_graphics_settings(gfx_settings); RendererAPI::set_api(m_selected_api); DONUT_INFO("Settings applied and saved"); } auto ConfigState::reset_to_defaults() -> void { m_selected_api = RendererAPI::API::OpenGL; m_target_fps = 60; m_compute_height = 512; m_max_steps_moving = 30000; m_max_steps_static = 15000; m_early_exit_distance = 5e12f; m_gravity_enabled = true; m_v_sync_enabled = true; m_show_fps = true; m_show_performance_metrics = true; m_show_debug_info = false; m_enable_anti_aliasing = true; m_selected_theme = 0; apply_settings(); DONUT_INFO("Settings reset to defaults and saved"); } };