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#include "SettingsManager.h"
#include "Log.h"
#include "ThemeManager.h"
#include "Rendering/Renderer.h"
#include <fstream>
#include <filesystem>
#include <algorithm>
namespace Donut
{
Settings SettingsManager::s_Settings;
bool SettingsManager::s_Initialized = false;
void SettingsManager::Initialize()
{
if (s_Initialized)
return;
LoadSettings();
s_Initialized = true;
DONUT_INFO("Settings Manager initialized");
}
void SettingsManager::Shutdown()
{
if (!s_Initialized)
return;
SaveSettings();
s_Initialized = false;
DONUT_INFO("Settings Manager shutdown");
}
void SettingsManager::LoadSettings()
{
std::string filePath = GetSettingsFilePath();
try
{
if (std::filesystem::exists(filePath))
{
auto config = toml::parse(filePath);
if (config.contains("simulation"))
{
auto sim = config["simulation"];
s_Settings.simulation.targetFPS = toml::find_or(sim, "target_fps", 60);
s_Settings.simulation.computeHeight = toml::find_or(sim, "compute_height", 512);
s_Settings.simulation.maxStepsMoving = toml::find_or(sim, "max_steps_moving", 30000);
s_Settings.simulation.maxStepsStatic = toml::find_or(sim, "max_steps_static", 15000);
s_Settings.simulation.earlyExitDistance = toml::find_or(sim, "early_exit_distance", 5e12f);
s_Settings.simulation.gravityEnabled = toml::find_or(sim, "gravity_enabled", true);
s_Settings.simulation.diskThickness = toml::find_or(sim, "disk_thickness", 0.1f);
s_Settings.simulation.diskDensity = toml::find_or(sim, "disk_density", 0.1f);
s_Settings.simulation.rotationSpeed = toml::find_or(sim, "rotation_speed", 1.0f);
s_Settings.simulation.blurStrength = toml::find_or(sim, "blur_strength", 2.0f);
s_Settings.simulation.glowIntensity = toml::find_or(sim, "glow_intensity", 0.1f);
s_Settings.simulation.targetFPS = std::max(30, std::min(120, s_Settings.simulation.targetFPS));
s_Settings.simulation.computeHeight = std::max(64, std::min(2048, s_Settings.simulation.computeHeight));
s_Settings.simulation.maxStepsMoving = std::max(1000, std::min(60000, s_Settings.simulation.maxStepsMoving));
s_Settings.simulation.maxStepsStatic = std::max(1000, std::min(30000, s_Settings.simulation.maxStepsStatic));
s_Settings.simulation.earlyExitDistance = std::max(1e11f, std::min(1e13f, s_Settings.simulation.earlyExitDistance));
s_Settings.simulation.diskThickness = std::max(0.01f, std::min(5.0f, s_Settings.simulation.diskThickness));
s_Settings.simulation.diskDensity = std::max(0.01f, std::min(5.0f, s_Settings.simulation.diskDensity));
s_Settings.simulation.rotationSpeed = std::max(0.0f, std::min(5.0f, s_Settings.simulation.rotationSpeed));
s_Settings.simulation.blurStrength = std::max(0.1f, std::min(10.0f, s_Settings.simulation.blurStrength));
s_Settings.simulation.glowIntensity = std::max(0.01f, std::min(5.0f, s_Settings.simulation.glowIntensity));
}
if (config.contains("graphics"))
{
auto gfx = config["graphics"];
s_Settings.graphics.renderAPI = toml::find_or(gfx, "render_api", std::string("OpenGL"));
s_Settings.graphics.vSyncEnabled = toml::find_or(gfx, "vsync_enabled", true);
s_Settings.graphics.showFPS = toml::find_or(gfx, "show_fps", true);
s_Settings.graphics.showPerformanceMetrics = toml::find_or(gfx, "show_performance_metrics", true);
s_Settings.graphics.showDebugInfo = toml::find_or(gfx, "show_debug_info", false);
s_Settings.graphics.enableAntiAliasing = toml::find_or(gfx, "enable_anti_aliasing", true);
s_Settings.graphics.selectedTheme = toml::find_or(gfx, "selected_theme", std::string("Dark"));
if (s_Settings.graphics.renderAPI != "OpenGL" &&
s_Settings.graphics.renderAPI != "Vulkan")
s_Settings.graphics.renderAPI = "OpenGL";
if (s_Settings.graphics.selectedTheme != "Dark" &&
s_Settings.graphics.selectedTheme != "Light" &&
s_Settings.graphics.selectedTheme != "Blue")
s_Settings.graphics.selectedTheme = "Dark";
}
DONUT_INFO("Settings loaded from {}", filePath);
}
else
{
LoadDefaultSettings();
SaveSettings();
DONUT_INFO("No settings file found, created default settings");
}
}
catch (const std::exception& e)
{
DONUT_ERROR("Failed to load settings: {}", e.what());
LoadDefaultSettings();
}
}
void SettingsManager::SaveSettings()
{
std::string filePath = GetSettingsFilePath();
try
{
std::filesystem::path path(filePath);
std::filesystem::create_directories(path.parent_path());
toml::value simulation = toml::table
{
{"target_fps", s_Settings.simulation.targetFPS },
{"compute_height", s_Settings.simulation.computeHeight },
{"max_steps_moving", s_Settings.simulation.maxStepsMoving },
{"max_steps_static", s_Settings.simulation.maxStepsStatic },
{"early_exit_distance", s_Settings.simulation.earlyExitDistance},
{"gravity_enabled", s_Settings.simulation.gravityEnabled },
{"disk_thickness", s_Settings.simulation.diskThickness },
{"disk_density", s_Settings.simulation.diskDensity },
{"rotation_speed", s_Settings.simulation.rotationSpeed },
{"blur_strength", s_Settings.simulation.blurStrength },
{"glow_intensity", s_Settings.simulation.glowIntensity }
};
toml::value graphics = toml::table
{
{"render_api", s_Settings.graphics.renderAPI },
{"vsync_enabled", s_Settings.graphics.vSyncEnabled },
{"show_fps", s_Settings.graphics.showFPS },
{"show_performance_metrics", s_Settings.graphics.showPerformanceMetrics},
{"show_debug_info", s_Settings.graphics.showDebugInfo },
{"enable_anti_aliasing", s_Settings.graphics.enableAntiAliasing },
{"selected_theme", s_Settings.graphics.selectedTheme }
};
toml::value config = toml::table
{
{"simulation", simulation},
{"graphics", graphics}
};
std::ofstream file(filePath);
file << config;
file.close();
DONUT_INFO("Settings saved to {}", filePath);
}
catch (const std::exception& e)
{
DONUT_ERROR("Failed to save settings: {}", e.what());
}
}
void SettingsManager::SetSimulationSettings(const SimulationSettings& settings)
{
s_Settings.simulation = settings;
SaveSettings();
}
void SettingsManager::SetGraphicsSettings(const GraphicsSettings& settings)
{
s_Settings.graphics = settings;
SaveSettings();
}
std::string SettingsManager::GetSettingsFilePath()
{
return "config/settings.toml";
}
void SettingsManager::LoadDefaultSettings()
{
s_Settings.simulation.targetFPS = 60;
s_Settings.simulation.computeHeight = 512;
s_Settings.simulation.maxStepsMoving = 30000;
s_Settings.simulation.maxStepsStatic = 15000;
s_Settings.simulation.earlyExitDistance = 5e12f;
s_Settings.simulation.gravityEnabled = true;
s_Settings.simulation.diskThickness = 0.1f;
s_Settings.simulation.diskDensity = 0.1f;
s_Settings.simulation.rotationSpeed = 1.0f;
s_Settings.simulation.blurStrength = 2.0f;
s_Settings.simulation.glowIntensity = 0.1f;
s_Settings.graphics.renderAPI = "OpenGL";
s_Settings.graphics.vSyncEnabled = true;
s_Settings.graphics.showFPS = true;
s_Settings.graphics.showPerformanceMetrics = true;
s_Settings.graphics.showDebugInfo = false;
s_Settings.graphics.enableAntiAliasing = true;
s_Settings.graphics.selectedTheme = "Dark";
}
}
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