LCOV - code coverage report
Current view: top level - src - GuiLayer_Common.cpp (source / functions) Coverage Total Hit
Test: coverage_filtered.info Lines: 60.3 % 726 438
Test Date: 2026-03-03 13:56:25 Functions: 90.9 % 22 20
Branches: 33.0 % 1420 469

             Branch data     Line data    Source code
       1                 :             : #include "GuiLayer.h"
       2                 :             : #include "Version.h"
       3                 :             : #include "Config.h"
       4                 :             : #include "Tooltips.h"
       5                 :             : #include "DirectInputFFB.h"
       6                 :             : #include "GameConnector.h"
       7                 :             : #include "GuiWidgets.h"
       8                 :             : #include "AsyncLogger.h"
       9                 :             : #include <iostream>
      10                 :             : #include <vector>
      11                 :             : #include <cmath>
      12                 :             : #include <algorithm>
      13                 :             : #include <cstring>
      14                 :             : #include <mutex>
      15                 :             : #include <chrono>
      16                 :             : #include <ctime>
      17                 :             : 
      18                 :             : #ifdef ENABLE_IMGUI
      19                 :             : #include "imgui.h"
      20                 :             : 
      21                 :         310 : static void DisplayRate(const char* label, double rate, double target) {
      22         [ +  - ]:         310 :     ImGui::Text("%s", label);
      23                 :             :     
      24                 :             :     // Status colors for performance metrics
      25                 :             :     static const ImVec4 COLOR_RED(1.0F, 0.4F, 0.4F, 1.0F);
      26                 :             :     static const ImVec4 COLOR_GREEN(0.4F, 1.0F, 0.4F, 1.0F);
      27                 :             :     static const ImVec4 COLOR_YELLOW(1.0F, 1.0F, 0.4F, 1.0F);
      28                 :             : 
      29                 :         310 :     ImVec4 color = COLOR_RED;
      30         [ +  + ]:         310 :     if (rate >= target * 0.95) {
      31                 :           7 :         color = COLOR_GREEN;
      32         [ +  + ]:         303 :     } else if (rate >= target * 0.75) {
      33                 :           7 :         color = COLOR_YELLOW;
      34                 :             :     }
      35                 :             :     
      36         [ +  - ]:         310 :     ImGui::TextColored(color, "%.1f Hz", rate);
      37                 :         310 : }
      38                 :             : 
      39                 :             : 
      40                 :             : // External linkage to FFB loop status
      41                 :             : extern std::atomic<bool> g_running;
      42                 :             : extern std::recursive_mutex g_engine_mutex;
      43                 :             : 
      44                 :             : float GuiLayer::m_latest_steering_range = 0.0f;
      45                 :             : float GuiLayer::m_latest_steering_angle = 0.0f;
      46                 :             : 
      47                 :             : static const float CONFIG_PANEL_WIDTH = 500.0f;
      48                 :             : static const int LATENCY_WARNING_THRESHOLD_MS = 15;
      49                 :             : 
      50                 :             : // Professional "Flat Dark" Theme
      51                 :           1 : void GuiLayer::SetupGUIStyle() {
      52         [ +  - ]:           1 :     ImGuiStyle& style = ImGui::GetStyle();
      53                 :             : 
      54                 :           1 :     style.WindowRounding = 5.0f;
      55                 :           1 :     style.FrameRounding = 4.0f;
      56                 :           1 :     style.GrabRounding = 4.0f;
      57                 :           1 :     style.FramePadding = ImVec2(8, 4);
      58                 :           1 :     style.ItemSpacing = ImVec2(8, 6);
      59                 :             : 
      60                 :           1 :     ImVec4* colors = style.Colors;
      61                 :             : 
      62                 :           1 :     colors[ImGuiCol_WindowBg]       = ImVec4(0.12f, 0.12f, 0.12f, 1.00f);
      63                 :           1 :     colors[ImGuiCol_ChildBg]        = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
      64                 :           1 :     colors[ImGuiCol_PopupBg]        = ImVec4(0.15f, 0.15f, 0.15f, 0.98f);
      65                 :             : 
      66                 :           1 :     colors[ImGuiCol_Header]         = ImVec4(0.20f, 0.20f, 0.20f, 0.00f);
      67                 :           1 :     colors[ImGuiCol_HeaderHovered]  = ImVec4(0.25f, 0.25f, 0.25f, 0.50f);
      68                 :           1 :     colors[ImGuiCol_HeaderActive]   = ImVec4(0.30f, 0.30f, 0.30f, 0.50f);
      69                 :             : 
      70                 :           1 :     colors[ImGuiCol_FrameBg]        = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);
      71                 :           1 :     colors[ImGuiCol_FrameBgHovered] = ImVec4(0.25f, 0.25f, 0.25f, 1.00f);
      72                 :           1 :     colors[ImGuiCol_FrameBgActive]  = ImVec4(0.30f, 0.30f, 0.30f, 1.00f);
      73                 :             : 
      74                 :           1 :     ImVec4 accent = ImVec4(0.00f, 0.60f, 0.85f, 1.00f);
      75                 :           1 :     colors[ImGuiCol_SliderGrab]     = accent;
      76                 :           1 :     colors[ImGuiCol_SliderGrabActive] = ImVec4(0.00f, 0.70f, 0.95f, 1.00f);
      77                 :           1 :     colors[ImGuiCol_Button]         = ImVec4(0.25f, 0.25f, 0.25f, 1.00f);
      78                 :           1 :     colors[ImGuiCol_ButtonHovered]  = accent;
      79                 :           1 :     colors[ImGuiCol_ButtonActive]   = ImVec4(0.00f, 0.50f, 0.75f, 1.00f);
      80                 :           1 :     colors[ImGuiCol_CheckMark]      = accent;
      81                 :             : 
      82                 :           1 :     colors[ImGuiCol_Text]           = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
      83                 :           1 :     colors[ImGuiCol_TextDisabled]   = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
      84                 :           1 : }
      85                 :             : 
      86                 :             : 
      87                 :             : static constexpr std::chrono::seconds CONNECT_ATTEMPT_INTERVAL(2);
      88                 :             : 
      89                 :         377 : void GuiLayer::DrawTuningWindow(FFBEngine& engine) {
      90         [ +  - ]:         377 :     std::lock_guard<std::recursive_mutex> lock(g_engine_mutex);
      91                 :             : 
      92         [ +  - ]:         377 :     ImGuiViewport* viewport = ImGui::GetMainViewport();
      93         [ +  + ]:         377 :     float current_width = Config::show_graphs ? CONFIG_PANEL_WIDTH : viewport->Size.x;
      94                 :             : 
      95         [ +  - ]:         377 :     ImGui::SetNextWindowPos(viewport->Pos);
      96         [ +  - ]:         377 :     ImGui::SetNextWindowSize(ImVec2(current_width, viewport->Size.y));
      97                 :             : 
      98                 :         377 :     ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize;
      99         [ +  - ]:         377 :     ImGui::Begin("MainUI", nullptr, flags);
     100                 :             : 
     101         [ +  - ]:         377 :     ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(0.00f, 0.60f, 0.85f, 1.00f));
     102         [ +  - ]:         377 :     ImGui::Text("lmuFFB");
     103         [ +  - ]:         377 :     ImGui::PopStyleColor();
     104         [ +  - ]:         377 :     ImGui::SameLine();
     105         [ +  - ]:         377 :     ImGui::TextDisabled("v%s", LMUFFB_VERSION);
     106         [ +  - ]:         377 :     ImGui::Separator();
     107                 :             : 
     108   [ +  +  +  - ]:         377 :     static std::chrono::steady_clock::time_point last_check_time = std::chrono::steady_clock::now();
     109                 :             : 
     110   [ +  -  +  -  :         377 :     if (!GameConnector::Get().IsConnected()) {
                   +  + ]
     111         [ +  - ]:         208 :       ImGui::TextColored(ImVec4(1, 1, 0, 1), "Connecting to LMU...");
     112   [ +  -  +  -  :         208 :       if (std::chrono::steady_clock::now() - last_check_time > CONNECT_ATTEMPT_INTERVAL) {
                   -  + ]
     113                 :           0 :         last_check_time = std::chrono::steady_clock::now();
     114   [ #  #  #  # ]:           0 :         GameConnector::Get().TryConnect();
     115                 :             :       }
     116                 :             :     } else {
     117         [ +  - ]:         169 :       ImGui::TextColored(ImVec4(0, 1, 0, 1), "Connected to LMU");
     118         [ +  - ]:         169 :       ImGui::SameLine();
     119         [ +  - ]:         169 :       ImGui::TextColored(ImVec4(0.7f, 0.7f, 0.7f, 1.0f), "| FFB: %.0fHz | Tel: %.0fHz", engine.m_ffb_rate, engine.m_telemetry_rate);
     120                 :             :     }
     121                 :             : 
     122   [ +  +  +  - ]:         377 :     static std::vector<DeviceInfo> devices;
     123                 :             :     static int selected_device_idx = -1;
     124                 :             : 
     125         [ +  + ]:         377 :     if (devices.empty()) {
     126   [ +  -  +  - ]:           1 :         devices = DirectInputFFB::Get().EnumerateDevices();
     127   [ +  -  +  -  :           1 :         if (selected_device_idx == -1 && !Config::m_last_device_guid.empty()) {
                   +  - ]
     128         [ +  - ]:           1 :             GUID target = DirectInputFFB::StringToGuid(Config::m_last_device_guid);
     129         [ +  + ]:           3 :             for (int i = 0; i < (int)devices.size(); i++) {
     130         [ -  + ]:           2 :                 if (memcmp(&devices[i].guid, &target, sizeof(GUID)) == 0) {
     131                 :           0 :                     selected_device_idx = i;
     132   [ #  #  #  # ]:           0 :                     DirectInputFFB::Get().SelectDevice(devices[i].guid);
     133                 :           0 :                     break;
     134                 :             :                 }
     135                 :             :             }
     136                 :             :         }
     137                 :             :     }
     138                 :             : 
     139   [ +  -  +  - ]:         377 :     ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x * 0.4f);
     140   [ -  +  +  -  :         377 :     if (ImGui::BeginCombo("FFB Device", selected_device_idx >= 0 ? devices[selected_device_idx].name.c_str() : "Select Device...")) {
                   -  + ]
     141         [ #  # ]:           0 :         for (int i = 0; i < (int)devices.size(); i++) {
     142                 :           0 :             bool is_selected = (selected_device_idx == i);
     143         [ #  # ]:           0 :             ImGui::PushID(i);
     144   [ #  #  #  # ]:           0 :             if (ImGui::Selectable(devices[i].name.c_str(), is_selected)) {
     145                 :           0 :                 selected_device_idx = i;
     146   [ #  #  #  # ]:           0 :                 DirectInputFFB::Get().SelectDevice(devices[i].guid);
     147         [ #  # ]:           0 :                 Config::m_last_device_guid = DirectInputFFB::GuidToString(devices[i].guid);
     148   [ #  #  #  # ]:           0 :                 Config::Save(engine);
     149                 :             :             }
     150   [ #  #  #  # ]:           0 :             if (is_selected) ImGui::SetItemDefaultFocus();
     151         [ #  # ]:           0 :             ImGui::PopID();
     152                 :             :         }
     153         [ #  # ]:           0 :         ImGui::EndCombo();
     154                 :             :     }
     155   [ +  -  +  +  :         377 :     if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::DEVICE_SELECT);
                   +  - ]
     156                 :             : 
     157         [ +  - ]:         377 :     ImGui::SameLine();
     158   [ +  -  -  + ]:         377 :     if (ImGui::Button("Rescan")) {
     159   [ #  #  #  # ]:           0 :         devices = DirectInputFFB::Get().EnumerateDevices();
     160                 :           0 :         selected_device_idx = -1;
     161                 :             :     }
     162   [ +  -  +  +  :         377 :     if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::DEVICE_RESCAN);
                   +  - ]
     163         [ +  - ]:         377 :     ImGui::SameLine();
     164   [ +  -  -  + ]:         377 :     if (ImGui::Button("Unbind")) {
     165   [ #  #  #  # ]:           0 :         DirectInputFFB::Get().ReleaseDevice();
     166                 :           0 :         selected_device_idx = -1;
     167                 :             :     }
     168   [ +  -  -  +  :         377 :     if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::DEVICE_UNBIND);
                   -  - ]
     169                 :             : 
     170   [ +  -  -  + ]:         377 :     if (DirectInputFFB::Get().IsActive()) {
     171   [ #  #  #  # ]:           0 :         if (DirectInputFFB::Get().IsExclusive()) {
     172         [ #  # ]:           0 :             ImGui::TextColored(ImVec4(0.4f, 1.0f, 0.4f, 1.0f), "Mode: EXCLUSIVE (Game FFB Blocked)");
     173   [ #  #  #  #  :           0 :             if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::MODE_EXCLUSIVE);
                   #  # ]
     174                 :             :         } else {
     175         [ #  # ]:           0 :             ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.4f, 1.0f), "Mode: SHARED (Potential Conflict)");
     176   [ #  #  #  #  :           0 :             if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::MODE_SHARED);
                   #  # ]
     177                 :             :         }
     178                 :             :     } else {
     179         [ +  - ]:         377 :         ImGui::TextColored(ImVec4(1.0f, 0.4f, 0.4f, 1.0f), "No device selected.");
     180   [ +  -  +  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::NO_DEVICE);
                   +  - ]
     181                 :             :     }
     182                 :             : 
     183   [ +  -  -  + ]:         377 :     if (ImGui::Checkbox("Always on Top", &Config::m_always_on_top)) {
     184         [ #  # ]:           0 :         SetWindowAlwaysOnTopPlatform(Config::m_always_on_top);
     185   [ #  #  #  # ]:           0 :         Config::Save(engine);
     186                 :             :     }
     187   [ +  -  +  +  :         377 :     if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::ALWAYS_ON_TOP);
                   +  - ]
     188         [ +  - ]:         377 :     ImGui::SameLine();
     189                 :             : 
     190                 :         377 :     bool toggled = Config::show_graphs;
     191   [ +  -  -  + ]:         377 :     if (ImGui::Checkbox("Graphs", &toggled)) {
     192         [ #  # ]:           0 :         SaveCurrentWindowGeometryPlatform(Config::show_graphs);
     193                 :           0 :         Config::show_graphs = toggled;
     194         [ #  # ]:           0 :         int target_w = Config::show_graphs ? Config::win_w_large : Config::win_w_small;
     195         [ #  # ]:           0 :         int target_h = Config::show_graphs ? Config::win_h_large : Config::win_h_small;
     196         [ #  # ]:           0 :         ResizeWindowPlatform(Config::win_pos_x, Config::win_pos_y, target_w, target_h);
     197   [ #  #  #  # ]:           0 :         Config::Save(engine);
     198                 :             :     }
     199   [ +  -  -  +  :         377 :     if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::SHOW_GRAPHS);
                   -  - ]
     200                 :             : 
     201         [ +  - ]:         377 :     ImGui::Separator();
     202         [ +  - ]:         377 :     bool is_logging = AsyncLogger::Get().IsLogging();
     203         [ +  + ]:         377 :     if (is_logging) {
     204   [ +  -  -  + ]:           3 :          if (ImGui::Button("STOP LOG", ImVec2(80, 0))) {
     205         [ #  # ]:           0 :              AsyncLogger::Get().Stop();
     206                 :             :          }
     207   [ +  -  -  +  :           3 :          if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::LOG_STOP);
                   -  - ]
     208         [ +  - ]:           3 :          ImGui::SameLine();
     209         [ +  - ]:           3 :          float time = (float)ImGui::GetTime();
     210                 :           3 :          bool blink = (fmod(time, 1.0f) < 0.5f);
     211   [ +  +  +  - ]:           3 :          ImGui::TextColored(blink ? ImVec4(1,0,0,1) : ImVec4(0.6f,0,0,1), "REC");
     212   [ +  -  -  +  :           3 :          if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::LOG_REC);
                   -  - ]
     213                 :             : 
     214         [ +  - ]:           3 :          ImGui::SameLine();
     215         [ +  - ]:           3 :          size_t bytes = AsyncLogger::Get().GetFileSizeBytes();
     216         [ +  - ]:           3 :          if (bytes < 1024ULL * 1024ULL)
     217   [ +  -  +  - ]:           3 :              ImGui::Text("%zu f (%.0f KB)", AsyncLogger::Get().GetFrameCount(), (float)bytes / 1024.0f);
     218                 :             :          else
     219   [ #  #  #  # ]:           0 :              ImGui::Text("%zu f (%.1f MB)", AsyncLogger::Get().GetFrameCount(), (float)bytes / (1024.0f * 1024.0f));
     220                 :             : 
     221         [ +  - ]:           3 :          ImGui::SameLine();
     222   [ +  -  -  + ]:           3 :          if (ImGui::Button("MARKER")) {
     223         [ #  # ]:           0 :              AsyncLogger::Get().SetMarker();
     224                 :             :          }
     225   [ +  -  -  +  :           3 :          if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::LOG_MARKER);
                   -  - ]
     226                 :             :     } else {
     227   [ +  -  -  + ]:         374 :          if (ImGui::Button("START LOGGING", ImVec2(120, 0))) {
     228                 :           0 :              SessionInfo info;
     229         [ #  # ]:           0 :              info.app_version = LMUFFB_VERSION;
     230   [ #  #  #  # ]:           0 :              if (engine.m_vehicle_name[0] != '\0') info.vehicle_name = engine.m_vehicle_name;
     231         [ #  # ]:           0 :              else info.vehicle_name = "UnknownCar";
     232                 :             : 
     233   [ #  #  #  # ]:           0 :              if (engine.m_track_name[0] != '\0') info.track_name = engine.m_track_name;
     234         [ #  # ]:           0 :              else info.track_name = "UnknownTrack";
     235                 :             : 
     236         [ #  # ]:           0 :              info.driver_name = "Auto";
     237                 :             : 
     238                 :           0 :              info.gain = engine.m_gain;
     239                 :           0 :              info.understeer_effect = engine.m_understeer_effect;
     240                 :           0 :              info.sop_effect = engine.m_sop_effect;
     241                 :           0 :              info.slope_enabled = engine.m_slope_detection_enabled;
     242                 :           0 :              info.slope_sensitivity = engine.m_slope_sensitivity;
     243                 :           0 :              info.slope_threshold = (float)engine.m_slope_min_threshold;
     244                 :           0 :              info.slope_alpha_threshold = engine.m_slope_alpha_threshold;
     245                 :           0 :              info.slope_decay_rate = engine.m_slope_decay_rate;
     246                 :           0 :              info.torque_passthrough = engine.m_torque_passthrough;
     247                 :             : 
     248   [ #  #  #  # ]:           0 :              AsyncLogger::Get().Start(info, Config::m_log_path);
     249                 :           0 :          }
     250   [ +  -  +  +  :         374 :          if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::LOG_START);
                   +  - ]
     251         [ +  - ]:         374 :          ImGui::SameLine();
     252         [ +  - ]:         374 :          ImGui::TextDisabled("(Diagnostics)");
     253                 :             :     }
     254                 :             : 
     255                 :             : 
     256         [ +  - ]:         377 :     ImGui::Separator();
     257                 :             : 
     258                 :             :     static int selected_preset = 0;
     259                 :             : 
     260                 :        3363 :     auto FormatDecoupled = [&](float val, float base_nm) {
     261                 :        3363 :         float estimated_nm = val * base_nm;
     262                 :             :         static char buf[64];
     263                 :        3363 :         snprintf(buf, 64, "%.1f%%%% (~%.1f Nm)", val * 100.0f, estimated_nm);
     264                 :        3363 :         return (const char*)buf;
     265                 :             :     };
     266                 :             : 
     267                 :        2262 :     auto FormatPct = [&](float val) {
     268                 :             :         static char buf[32];
     269                 :        2262 :         snprintf(buf, 32, "%.1f%%%%", val * 100.0f);
     270                 :        2262 :         return (const char*)buf;
     271                 :             :     };
     272                 :             : 
     273                 :       18664 :     auto FloatSetting = [&](const char* label, float* v, float min, float max, const char* fmt = "%.2f", const char* tooltip = nullptr, std::function<void()> decorator = nullptr) {
     274   [ +  -  +  - ]:       18664 :         GuiWidgets::Result res = GuiWidgets::Float(label, v, min, max, fmt, tooltip, decorator);
     275         [ -  + ]:       18664 :         if (res.deactivated) {
     276   [ #  #  #  # ]:           0 :             Config::Save(engine);
     277                 :             :         }
     278                 :       18664 :     };
     279                 :             : 
     280                 :        4147 :     auto BoolSetting = [&](const char* label, bool* v, const char* tooltip = nullptr) {
     281         [ +  - ]:        4147 :         GuiWidgets::Result res = GuiWidgets::Checkbox(label, v, tooltip);
     282         [ -  + ]:        4147 :         if (res.deactivated) {
     283   [ #  #  #  # ]:           0 :             Config::Save(engine);
     284                 :             :         }
     285                 :        4147 :     };
     286                 :             : 
     287                 :         754 :     auto IntSetting = [&](const char* label, int* v, const char* const items[], int items_count, const char* tooltip = nullptr) {
     288         [ +  - ]:         754 :         GuiWidgets::Result res = GuiWidgets::Combo(label, v, items, items_count, tooltip);
     289         [ -  + ]:         754 :         if (res.changed) {
     290         [ #  # ]:           0 :             std::lock_guard<std::recursive_mutex> lock(g_engine_mutex);
     291                 :             :             // v is already updated by ImGui, but we lock to ensure visibility and consistency
     292   [ #  #  #  # ]:           0 :             Config::Save(engine);
     293                 :           0 :         }
     294                 :         754 :     };
     295                 :             : 
     296   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("Presets and Configuration", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     297   [ -  +  -  - ]:         377 :         if (Config::presets.empty()) Config::LoadPresets();
     298                 :             : 
     299                 :             :         static bool first_run = true;
     300   [ +  +  +  -  :         377 :         if (first_run && !Config::presets.empty()) {
                   +  + ]
     301         [ +  - ]:           1 :             for (int i = 0; i < (int)Config::presets.size(); i++) {
     302         [ +  - ]:           1 :                 if (Config::presets[i].name == Config::m_last_preset_name) {
     303                 :           1 :                     selected_preset = i;
     304                 :           1 :                     break;
     305                 :             :                 }
     306                 :             :             }
     307                 :           1 :             first_run = false;
     308                 :             :         }
     309                 :             : 
     310   [ +  +  +  - ]:         377 :         static std::string preview_buf;
     311                 :         377 :         const char* preview_value = "Custom";
     312   [ +  -  +  -  :         377 :         if (selected_preset >= 0 && selected_preset < (int)Config::presets.size()) {
                   +  - ]
     313         [ +  - ]:         377 :             preview_buf = Config::presets[selected_preset].name;
     314   [ +  -  +  + ]:         377 :             if (Config::IsEngineDirtyRelativeToPreset(selected_preset, engine)) {
     315         [ +  - ]:         370 :                 preview_buf += "*";
     316                 :             :             }
     317                 :         377 :             preview_value = preview_buf.c_str();
     318                 :             :         }
     319                 :             : 
     320   [ +  -  +  - ]:         377 :         ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x * 0.6f);
     321   [ +  -  -  + ]:         377 :         if (ImGui::BeginCombo("Load Preset", preview_value)) {
     322         [ #  # ]:           0 :             for (int i = 0; i < (int)Config::presets.size(); i++) {
     323                 :           0 :                 bool is_selected = (selected_preset == i);
     324         [ #  # ]:           0 :                 ImGui::PushID(i);
     325   [ #  #  #  # ]:           0 :                 if (ImGui::Selectable(Config::presets[i].name.c_str(), is_selected)) {
     326                 :           0 :                     selected_preset = i;
     327         [ #  # ]:           0 :                     Config::ApplyPreset(i, engine);
     328                 :             :                 }
     329   [ #  #  #  # ]:           0 :                 if (is_selected) ImGui::SetItemDefaultFocus();
     330         [ #  # ]:           0 :                 ImGui::PopID();
     331                 :             :             }
     332         [ #  # ]:           0 :             ImGui::EndCombo();
     333                 :             :         }
     334                 :             : 
     335                 :             :         static char new_preset_name[64] = "";
     336   [ +  -  +  - ]:         377 :         ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x * 0.4f);
     337         [ +  - ]:         377 :         ImGui::InputText("##NewPresetName", new_preset_name, 64);
     338   [ +  -  +  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_NAME);
                   +  - ]
     339         [ +  - ]:         377 :         ImGui::SameLine();
     340   [ +  -  -  + ]:         377 :         if (ImGui::Button("Save New")) {
     341         [ #  # ]:           0 :             if (strlen(new_preset_name) > 0) {
     342   [ #  #  #  # ]:           0 :                 Config::AddUserPreset(std::string(new_preset_name), engine);
     343         [ #  # ]:           0 :                 for (int i = 0; i < (int)Config::presets.size(); i++) {
     344   [ #  #  #  # ]:           0 :                     if (Config::presets[i].name == std::string(new_preset_name)) {
     345                 :           0 :                         selected_preset = i;
     346                 :           0 :                         break;
     347                 :             :                     }
     348                 :             :                 }
     349                 :           0 :                 new_preset_name[0] = '\0';
     350                 :             :             }
     351                 :             :         }
     352   [ +  -  -  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_SAVE_NEW);
                   -  - ]
     353                 :             : 
     354   [ +  -  -  + ]:         377 :         if (ImGui::Button("Save Current Config")) {
     355   [ #  #  #  #  :           0 :             if (selected_preset >= 0 && selected_preset < (int)Config::presets.size() && !Config::presets[selected_preset].is_builtin) {
             #  #  #  # ]
     356         [ #  # ]:           0 :                 Config::AddUserPreset(Config::presets[selected_preset].name, engine);
     357                 :             :             } else {
     358   [ #  #  #  # ]:           0 :                 Config::Save(engine);
     359                 :             :             }
     360                 :             :         }
     361   [ +  -  +  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_SAVE_CURRENT);
                   +  - ]
     362         [ +  - ]:         377 :         ImGui::SameLine();
     363   [ +  -  -  + ]:         377 :         if (ImGui::Button("Reset Defaults")) {
     364         [ #  # ]:           0 :             Config::ApplyPreset(0, engine);
     365                 :           0 :             selected_preset = 0;
     366                 :             :         }
     367   [ +  -  -  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_RESET);
                   -  - ]
     368         [ +  - ]:         377 :         ImGui::SameLine();
     369   [ +  -  -  + ]:         377 :         if (ImGui::Button("Duplicate")) {
     370         [ #  # ]:           0 :             if (selected_preset >= 0) {
     371         [ #  # ]:           0 :                 Config::DuplicatePreset(selected_preset, engine);
     372         [ #  # ]:           0 :                 for (int i = 0; i < (int)Config::presets.size(); i++) {
     373         [ #  # ]:           0 :                     if (Config::presets[i].name == Config::m_last_preset_name) {
     374                 :           0 :                         selected_preset = i;
     375                 :           0 :                         break;
     376                 :             :                     }
     377                 :             :                 }
     378                 :             :             }
     379                 :             :         }
     380   [ +  -  +  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_DUPLICATE);
                   +  - ]
     381         [ +  - ]:         377 :         ImGui::SameLine();
     382   [ +  -  +  -  :         377 :         bool can_delete = (selected_preset >= 0 && selected_preset < (int)Config::presets.size() && !Config::presets[selected_preset].is_builtin);
                   +  - ]
     383   [ -  +  -  - ]:         377 :         if (!can_delete) ImGui::BeginDisabled();
     384   [ +  -  -  + ]:         377 :         if (ImGui::Button("Delete")) {
     385         [ #  # ]:           0 :             Config::DeletePreset(selected_preset, engine);
     386                 :           0 :             selected_preset = 0;
     387         [ #  # ]:           0 :             Config::ApplyPreset(0, engine);
     388                 :             :         }
     389   [ +  -  -  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_DELETE);
                   -  - ]
     390   [ -  +  -  - ]:         377 :         if (!can_delete) ImGui::EndDisabled();
     391                 :             : 
     392         [ +  - ]:         377 :         ImGui::Separator();
     393   [ +  -  -  + ]:         377 :         if (ImGui::Button("Import Preset...")) {
     394                 :           0 :             std::string path;
     395   [ #  #  #  # ]:           0 :             if (OpenPresetFileDialogPlatform(path)) {
     396   [ #  #  #  # ]:           0 :                 if (Config::ImportPreset(path, engine)) {
     397                 :           0 :                     selected_preset = (int)Config::presets.size() - 1;
     398                 :             :                 }
     399                 :             :             }
     400                 :           0 :         }
     401   [ +  -  +  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_IMPORT);
                   +  - ]
     402         [ +  - ]:         377 :         ImGui::SameLine();
     403   [ +  -  -  + ]:         377 :         if (ImGui::Button("Export Selected...")) {
     404   [ #  #  #  #  :           0 :             if (selected_preset >= 0 && selected_preset < (int)Config::presets.size()) {
                   #  # ]
     405                 :           0 :                 std::string path;
     406         [ #  # ]:           0 :                 std::string defaultName = Config::presets[selected_preset].name + ".ini";
     407   [ #  #  #  # ]:           0 :                 if (SavePresetFileDialogPlatform(path, defaultName)) {
     408         [ #  # ]:           0 :                     Config::ExportPreset(selected_preset, path);
     409                 :             :                 }
     410                 :           0 :             }
     411                 :             :         }
     412   [ +  -  -  +  :         377 :         if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::PRESET_EXPORT);
                   -  - ]
     413                 :             : 
     414         [ +  - ]:         377 :         ImGui::TreePop();
     415                 :             :     }
     416                 :             : 
     417         [ +  - ]:         377 :     ImGui::Spacing();
     418                 :             : 
     419         [ +  - ]:         377 :     ImGui::Columns(2, "SettingsGrid", false);
     420   [ +  -  +  - ]:         377 :     ImGui::SetColumnWidth(0, ImGui::GetWindowWidth() * 0.45f);
     421                 :             : 
     422   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("General FFB", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     423   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     424                 :             : 
     425         [ +  - ]:         377 :         ImGui::TextDisabled("Steering: %.1f° (%.0f)", m_latest_steering_angle, m_latest_steering_range);
     426   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     427                 :             : 
     428         [ +  - ]:         377 :         BoolSetting("Steerlock from REST API", &engine.m_rest_api_enabled, Tooltips::REST_API_ENABLE);
     429                 :             : 
     430         [ +  - ]:         377 :         ImGui::Spacing();
     431                 :         377 :         bool use_in_game_ffb = (engine.m_torque_source == 1);
     432   [ +  -  -  + ]:         377 :         if (GuiWidgets::Checkbox("Use In-Game FFB (400Hz Native)", &use_in_game_ffb, Tooltips::USE_INGAME_FFB).changed) {
     433         [ #  # ]:           0 :             std::lock_guard<std::recursive_mutex> lock(g_engine_mutex);
     434         [ #  # ]:           0 :             engine.m_torque_source = use_in_game_ffb ? 1 : 0;
     435   [ #  #  #  # ]:           0 :             Config::Save(engine);
     436                 :           0 :         }
     437                 :             : 
     438         [ +  - ]:         377 :         BoolSetting("Invert FFB Signal", &engine.m_invert_force, Tooltips::INVERT_FFB);
     439                 :             : 
     440                 :         377 :         bool prev_structural = engine.m_dynamic_normalization_enabled;
     441   [ +  -  -  + ]:         377 :         if (GuiWidgets::Checkbox("Enable Dynamic Normalization (Session Peak)", &engine.m_dynamic_normalization_enabled, Tooltips::DYNAMIC_NORMALIZATION_ENABLE).changed) {
     442   [ #  #  #  # ]:           0 :             if (prev_structural && !engine.m_dynamic_normalization_enabled) {
     443         [ #  # ]:           0 :                 engine.ResetNormalization();
     444                 :             :             }
     445   [ #  #  #  # ]:           0 :             Config::Save(engine);
     446                 :             :         }
     447         [ +  - ]:         377 :         FloatSetting("Master Gain", &engine.m_gain, 0.0f, 2.0f, FormatPct(engine.m_gain), Tooltips::MASTER_GAIN);
     448         [ +  - ]:         377 :         FloatSetting("Wheelbase Max Torque", &engine.m_wheelbase_max_nm, 1.0f, 50.0f, "%.1f Nm", Tooltips::WHEELBASE_MAX_TORQUE);
     449         [ +  - ]:         377 :         FloatSetting("Target Rim Torque", &engine.m_target_rim_nm, 1.0f, 50.0f, "%.1f Nm", Tooltips::TARGET_RIM_TORQUE);
     450         [ +  - ]:         377 :         FloatSetting("Min Force", &engine.m_min_force, 0.0f, 0.20f, "%.3f", Tooltips::MIN_FORCE);
     451                 :             : 
     452   [ +  -  +  - ]:         377 :         if (ImGui::TreeNodeEx("Soft Lock", ImGuiTreeNodeFlags_DefaultOpen)) {
     453   [ +  -  +  - ]:         377 :             ImGui::NextColumn(); ImGui::NextColumn();
     454         [ +  - ]:         377 :             BoolSetting("Enable Soft Lock", &engine.m_soft_lock_enabled, Tooltips::SOFT_LOCK_ENABLE);
     455         [ +  - ]:         377 :             if (engine.m_soft_lock_enabled) {
     456         [ +  - ]:         377 :                 FloatSetting("  Stiffness", &engine.m_soft_lock_stiffness, 0.0f, 100.0f, "%.1f", Tooltips::SOFT_LOCK_STIFFNESS);
     457         [ +  - ]:         377 :                 FloatSetting("  Damping", &engine.m_soft_lock_damping, 0.0f, 5.0f, "%.2f", Tooltips::SOFT_LOCK_DAMPING);
     458                 :             :             }
     459         [ +  - ]:         377 :             ImGui::TreePop();
     460         [ +  - ]:         377 :             ImGui::Separator();
     461                 :             :         }
     462                 :             : 
     463         [ +  - ]:         377 :         ImGui::TreePop();
     464                 :             :     } else {
     465   [ #  #  #  # ]:           0 :         ImGui::NextColumn(); ImGui::NextColumn();
     466                 :             :     }
     467                 :             : 
     468   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("Front Axle (Understeer)", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     469   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     470                 :             : 
     471         [ +  + ]:         377 :         if (engine.m_torque_source == 1) {
     472         [ +  - ]:         166 :             FloatSetting("In-Game FFB Gain", &engine.m_ingame_ffb_gain, 0.0f, 2.0f, FormatPct(engine.m_ingame_ffb_gain), Tooltips::INGAME_FFB_GAIN);
     473                 :             :         } else {
     474         [ +  - ]:         211 :             FloatSetting("Steering Shaft Gain", &engine.m_steering_shaft_gain, 0.0f, 2.0f, FormatPct(engine.m_steering_shaft_gain), Tooltips::STEERING_SHAFT_GAIN);
     475                 :             :         }
     476                 :             : 
     477         [ +  - ]:         377 :         FloatSetting("Steering Shaft Smoothing", &engine.m_steering_shaft_smoothing, 0.000f, 0.100f, "%.3f s",
     478                 :             :             Tooltips::STEERING_SHAFT_SMOOTHING,
     479                 :         377 :             [&]() {
     480                 :         377 :                 int ms = (int)std::lround(engine.m_steering_shaft_smoothing * 1000.0f);
     481         [ +  - ]:         377 :                 ImVec4 color = (ms < LATENCY_WARNING_THRESHOLD_MS) ? ImVec4(0,1,0,1) : ImVec4(1,0,0,1);
     482   [ +  -  +  - ]:         377 :                 ImGui::TextColored(color, "Latency: %d ms - %s", ms, (ms < LATENCY_WARNING_THRESHOLD_MS) ? "OK" : "High");
     483                 :         377 :             });
     484                 :             : 
     485         [ +  - ]:         377 :         FloatSetting("Understeer Effect", &engine.m_understeer_effect, 0.0f, 2.0f, FormatPct(engine.m_understeer_effect),
     486                 :             :             Tooltips::UNDERSTEER_EFFECT);
     487                 :             : 
     488         [ +  - ]:         377 :         FloatSetting("Dynamic Weight", &engine.m_dynamic_weight_gain, 0.0f, 2.0f, FormatPct(engine.m_dynamic_weight_gain),
     489                 :             :             Tooltips::DYNAMIC_WEIGHT);
     490                 :             : 
     491         [ +  - ]:         377 :         FloatSetting("  Weight Smoothing", &engine.m_dynamic_weight_smoothing, 0.000f, 0.500f, "%.3f s",
     492                 :             :             Tooltips::WEIGHT_SMOOTHING);
     493                 :             : 
     494                 :         377 :         const char* torque_sources[] = { "Shaft Torque (100Hz Legacy)", "In-Game FFB (400Hz LMU 1.2+)" };
     495         [ +  - ]:         377 :         IntSetting("Torque Source", &engine.m_torque_source, torque_sources, sizeof(torque_sources)/sizeof(torque_sources[0]),
     496                 :             :             Tooltips::TORQUE_SOURCE);
     497                 :             : 
     498         [ +  - ]:         377 :         BoolSetting("Pure Passthrough", &engine.m_torque_passthrough, Tooltips::PURE_PASSTHROUGH);
     499                 :             : 
     500   [ +  -  +  - ]:         377 :         if (ImGui::TreeNodeEx("Signal Filtering", ImGuiTreeNodeFlags_DefaultOpen)) {
     501   [ +  -  +  - ]:         377 :             ImGui::NextColumn(); ImGui::NextColumn();
     502                 :             : 
     503         [ +  - ]:         377 :             BoolSetting("  Flatspot Suppression", &engine.m_flatspot_suppression, Tooltips::FLATSPOT_SUPPRESSION);
     504         [ +  + ]:         377 :             if (engine.m_flatspot_suppression) {
     505         [ +  - ]:         364 :                 FloatSetting("    Filter Width (Q)", &engine.m_notch_q, 0.5f, 10.0f, "Q: %.2f", Tooltips::NOTCH_Q);
     506         [ +  - ]:         364 :                 FloatSetting("    Suppression Strength", &engine.m_flatspot_strength, 0.0f, 1.0f, "%.2f", Tooltips::SUPPRESSION_STRENGTH);
     507         [ +  - ]:         364 :                 ImGui::Text("    Est. / Theory Freq");
     508         [ +  - ]:         364 :                 ImGui::NextColumn();
     509         [ +  - ]:         364 :                 ImGui::TextDisabled("%.1f Hz / %.1f Hz", engine.m_debug_freq, engine.m_theoretical_freq);
     510         [ +  - ]:         364 :                 ImGui::NextColumn();
     511                 :             :             }
     512                 :             : 
     513         [ +  - ]:         377 :             BoolSetting("  Static Noise Filter", &engine.m_static_notch_enabled, Tooltips::STATIC_NOISE_FILTER);
     514         [ +  + ]:         377 :             if (engine.m_static_notch_enabled) {
     515         [ +  - ]:         363 :                 FloatSetting("    Target Frequency", &engine.m_static_notch_freq, 10.0f, 100.0f, "%.1f Hz", Tooltips::STATIC_NOTCH_FREQ);
     516         [ +  - ]:         363 :                 FloatSetting("    Filter Width", &engine.m_static_notch_width, 0.1f, 10.0f, "%.1f Hz", Tooltips::STATIC_NOTCH_WIDTH);
     517                 :             :             }
     518                 :             : 
     519         [ +  - ]:         377 :             ImGui::TreePop();
     520                 :             :         } else {
     521   [ #  #  #  # ]:           0 :             ImGui::NextColumn(); ImGui::NextColumn();
     522                 :             :         }
     523                 :             : 
     524         [ +  - ]:         377 :         ImGui::TreePop();
     525                 :             :     } else {
     526   [ #  #  #  # ]:           0 :         ImGui::NextColumn(); ImGui::NextColumn();
     527                 :             :     }
     528                 :             : 
     529   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("Rear Axle (Oversteer)", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     530   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     531                 :             : 
     532         [ +  - ]:         377 :         FloatSetting("Lateral G Boost (Slide)", &engine.m_oversteer_boost, 0.0f, 4.0f, FormatPct(engine.m_oversteer_boost),
     533                 :             :             Tooltips::OVERSTEER_BOOST);
     534         [ +  - ]:         377 :         FloatSetting("Lateral G", &engine.m_sop_effect, 0.0f, 2.0f, FormatDecoupled(engine.m_sop_effect, FFBEngine::BASE_NM_SOP_LATERAL), Tooltips::LATERAL_G);
     535         [ +  - ]:         377 :         FloatSetting("SoP Self-Aligning Torque", &engine.m_rear_align_effect, 0.0f, 2.0f, FormatDecoupled(engine.m_rear_align_effect, FFBEngine::BASE_NM_REAR_ALIGN),
     536                 :             :             Tooltips::REAR_ALIGN_TORQUE);
     537         [ +  - ]:         377 :         FloatSetting("Yaw Kick", &engine.m_sop_yaw_gain, 0.0f, 1.0f, FormatDecoupled(engine.m_sop_yaw_gain, FFBEngine::BASE_NM_YAW_KICK),
     538                 :             :             Tooltips::YAW_KICK);
     539         [ +  - ]:         377 :         FloatSetting("  Activation Threshold", &engine.m_yaw_kick_threshold, 0.0f, 10.0f, "%.2f rad/s²", Tooltips::YAW_KICK_THRESHOLD);
     540                 :             : 
     541         [ +  - ]:         377 :         FloatSetting("  Kick Response", &engine.m_yaw_accel_smoothing, 0.000f, 0.050f, "%.3f s",
     542                 :             :             Tooltips::YAW_KICK_RESPONSE,
     543                 :         377 :             [&]() {
     544                 :         377 :                 int ms = (int)std::lround(engine.m_yaw_accel_smoothing * 1000.0f);
     545         [ +  - ]:         377 :                 ImVec4 color = (ms <= 15) ? ImVec4(0,1,0,1) : ImVec4(1,0,0,1);
     546         [ +  - ]:         377 :                 ImGui::TextColored(color, "Latency: %d ms", ms);
     547                 :         377 :             });
     548                 :             : 
     549         [ +  - ]:         377 :         FloatSetting("Gyro Damping", &engine.m_gyro_gain, 0.0f, 1.0f, FormatDecoupled(engine.m_gyro_gain, FFBEngine::BASE_NM_GYRO_DAMPING), Tooltips::GYRO_DAMPING);
     550                 :             : 
     551         [ +  - ]:         377 :         FloatSetting("  Gyro Smooth", &engine.m_gyro_smoothing, 0.000f, 0.050f, "%.3f s",
     552                 :             :             Tooltips::GYRO_SMOOTH,
     553                 :         377 :             [&]() {
     554                 :         377 :                 int ms = (int)std::lround(engine.m_gyro_smoothing * 1000.0f);
     555         [ +  - ]:         377 :                 ImVec4 color = (ms <= 20) ? ImVec4(0,1,0,1) : ImVec4(1,0,0,1);
     556         [ +  - ]:         377 :                 ImGui::TextColored(color, "Latency: %d ms", ms);
     557                 :         377 :             });
     558                 :             : 
     559         [ +  - ]:         377 :         ImGui::TextColored(ImVec4(0.0f, 0.6f, 0.85f, 1.0f), "Advanced SoP");
     560   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     561                 :             : 
     562         [ +  - ]:         377 :         FloatSetting("SoP Smoothing", &engine.m_sop_smoothing_factor, 0.0f, 1.0f, "%.2f",
     563                 :             :             Tooltips::SOP_SMOOTHING,
     564                 :         377 :             [&]() {
     565                 :         377 :                 int ms = (int)std::lround((1.0f - engine.m_sop_smoothing_factor) * 100.0f);
     566         [ +  - ]:         377 :                 ImVec4 color = (ms < LATENCY_WARNING_THRESHOLD_MS) ? ImVec4(0,1,0,1) : ImVec4(1,0,0,1);
     567   [ +  -  +  - ]:         377 :                 ImGui::TextColored(color, "Latency: %d ms - %s", ms, (ms < LATENCY_WARNING_THRESHOLD_MS) ? "OK" : "High");
     568                 :         377 :             });
     569                 :             : 
     570         [ +  - ]:         377 :         FloatSetting("Grip Smoothing", &engine.m_grip_smoothing_steady, 0.000f, 0.100f, "%.3f s",
     571                 :             :             Tooltips::GRIP_SMOOTHING);
     572                 :             : 
     573         [ +  - ]:         377 :         FloatSetting("  SoP Scale", &engine.m_sop_scale, 0.0f, 20.0f, "%.2f", Tooltips::SOP_SCALE);
     574                 :             : 
     575         [ +  - ]:         377 :         ImGui::TreePop();
     576                 :             :     } else {
     577   [ #  #  #  # ]:           0 :         ImGui::NextColumn(); ImGui::NextColumn();
     578                 :             :     }
     579                 :             : 
     580   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("Grip & Slip Angle Estimation", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     581   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     582                 :             : 
     583         [ +  - ]:         377 :         FloatSetting("Slip Angle Smoothing", &engine.m_slip_angle_smoothing, 0.000f, 0.100f, "%.3f s",
     584                 :             :             Tooltips::SLIP_ANGLE_SMOOTHING,
     585                 :         377 :             [&]() {
     586                 :         377 :                 int ms = (int)std::lround(engine.m_slip_angle_smoothing * 1000.0f);
     587         [ +  - ]:         377 :                 ImVec4 color = (ms < LATENCY_WARNING_THRESHOLD_MS) ? ImVec4(0,1,0,1) : ImVec4(1,0,0,1);
     588   [ +  -  +  - ]:         377 :                 ImGui::TextColored(color, "Latency: %d ms - %s", ms, (ms < LATENCY_WARNING_THRESHOLD_MS) ? "OK" : "High");
     589                 :         377 :             });
     590                 :             : 
     591         [ +  - ]:         377 :         FloatSetting("Chassis Inertia (Load)", &engine.m_chassis_inertia_smoothing, 0.000f, 0.100f, "%.3f s",
     592                 :             :             Tooltips::CHASSIS_INERTIA,
     593                 :         377 :             [&]() {
     594                 :         377 :                 int ms = (int)std::lround(engine.m_chassis_inertia_smoothing * 1000.0f);
     595         [ +  - ]:         377 :                 ImGui::TextColored(ImVec4(0.5f, 0.5f, 1.0f, 1.0f), "Simulation: %d ms", ms);
     596                 :         377 :             });
     597                 :             : 
     598         [ +  - ]:         377 :         FloatSetting("Optimal Slip Angle", &engine.m_optimal_slip_angle, 0.05f, 0.20f, "%.2f rad",
     599                 :             :             Tooltips::OPTIMAL_SLIP_ANGLE);
     600         [ +  - ]:         377 :         FloatSetting("Optimal Slip Ratio", &engine.m_optimal_slip_ratio, 0.05f, 0.20f, "%.2f",
     601                 :             :             Tooltips::OPTIMAL_SLIP_RATIO);
     602                 :             : 
     603         [ +  - ]:         377 :         ImGui::Separator();
     604         [ +  - ]:         377 :         ImGui::TextColored(ImVec4(1.0f, 0.8f, 0.0f, 1.0f), "Slope Detection (Experimental)");
     605   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     606                 :             : 
     607                 :         377 :         bool prev_slope_enabled = engine.m_slope_detection_enabled;
     608         [ +  - ]:         377 :         GuiWidgets::Result slope_res = GuiWidgets::Checkbox("Enable Slope Detection", &engine.m_slope_detection_enabled,
     609                 :             :             Tooltips::SLOPE_DETECTION_ENABLE);
     610                 :             : 
     611         [ -  + ]:         377 :         if (slope_res.changed) {
     612   [ #  #  #  # ]:           0 :             if (!prev_slope_enabled && engine.m_slope_detection_enabled) {
     613                 :           0 :                 engine.m_slope_buffer_count = 0;
     614                 :           0 :                 engine.m_slope_buffer_index = 0;
     615                 :           0 :                 engine.m_slope_smoothed_output = 1.0;
     616                 :             :             }
     617                 :             :         }
     618         [ -  + ]:         377 :         if (slope_res.deactivated) {
     619   [ #  #  #  # ]:           0 :             Config::Save(engine);
     620                 :             :         }
     621                 :             : 
     622   [ +  +  +  + ]:         377 :         if (engine.m_slope_detection_enabled && engine.m_oversteer_boost > 0.01f) {
     623         [ +  - ]:         362 :             ImGui::TextColored(ImVec4(1.0f, 0.5f, 0.0f, 1.0f),
     624                 :             :                 "Note: Lateral G Boost (Slide) is auto-disabled when Slope Detection is ON.");
     625   [ +  -  +  - ]:         362 :             ImGui::NextColumn(); ImGui::NextColumn();
     626                 :             :         }
     627                 :             : 
     628         [ +  + ]:         377 :         if (engine.m_slope_detection_enabled) {
     629                 :         363 :             int window = engine.m_slope_sg_window;
     630   [ +  -  -  + ]:         363 :             if (ImGui::SliderInt("  Filter Window", &window, 5, 41)) {
     631         [ #  # ]:           0 :                 if (window % 2 == 0) window++;
     632                 :           0 :                 engine.m_slope_sg_window = window;
     633                 :             :             }
     634   [ +  -  -  + ]:         363 :             if (ImGui::IsItemHovered()) {
     635         [ #  # ]:           0 :                 ImGui::SetTooltip("%s", Tooltips::SLOPE_FILTER_WINDOW);
     636                 :             :             }
     637   [ +  -  -  +  :         363 :             if (ImGui::IsItemDeactivatedAfterEdit()) Config::Save(engine);
             -  -  -  - ]
     638                 :             : 
     639         [ +  - ]:         363 :             ImGui::SameLine();
     640                 :         363 :             float latency_ms = (static_cast<float>(engine.m_slope_sg_window) / 2.0f) * 2.5f;
     641         [ +  - ]:         363 :             ImVec4 color = (latency_ms < 25.0f) ? ImVec4(0,1,0,1) : ImVec4(1,0.5f,0,1);
     642         [ +  - ]:         363 :             ImGui::TextColored(color, "~%.0f ms latency", latency_ms);
     643   [ +  -  +  - ]:         363 :             ImGui::NextColumn(); ImGui::NextColumn();
     644                 :             : 
     645         [ +  - ]:         363 :             FloatSetting("  Sensitivity", &engine.m_slope_sensitivity, 0.1f, 5.0f, "%.1fx",
     646                 :             :                 Tooltips::SLOPE_SENSITIVITY);
     647                 :             : 
     648   [ +  -  -  + ]:         363 :             if (ImGui::TreeNode("Advanced Slope Settings")) {
     649   [ #  #  #  # ]:           0 :                 ImGui::NextColumn(); ImGui::NextColumn();
     650         [ #  # ]:           0 :                 FloatSetting("  Slope Threshold", &engine.m_slope_min_threshold, -1.0f, 0.0f, "%.2f", Tooltips::SLOPE_THRESHOLD);
     651         [ #  # ]:           0 :                 FloatSetting("  Output Smoothing", &engine.m_slope_smoothing_tau, 0.005f, 0.100f, "%.3f s", Tooltips::SLOPE_OUTPUT_SMOOTHING);
     652                 :             : 
     653         [ #  # ]:           0 :                 ImGui::Separator();
     654         [ #  # ]:           0 :                 ImGui::Text("Stability Fixes (v0.7.3)");
     655   [ #  #  #  # ]:           0 :                 ImGui::NextColumn(); ImGui::NextColumn();
     656         [ #  # ]:           0 :                 FloatSetting("  Alpha Threshold", &engine.m_slope_alpha_threshold, 0.001f, 0.100f, "%.3f", Tooltips::SLOPE_ALPHA_THRESHOLD);
     657         [ #  # ]:           0 :                 FloatSetting("  Decay Rate", &engine.m_slope_decay_rate, 0.5f, 20.0f, "%.1f", Tooltips::SLOPE_DECAY_RATE);
     658         [ #  # ]:           0 :                 BoolSetting("  Confidence Gate", &engine.m_slope_confidence_enabled, Tooltips::SLOPE_CONFIDENCE_GATE);
     659                 :             : 
     660         [ #  # ]:           0 :                 ImGui::TreePop();
     661                 :             :             } else {
     662   [ +  -  +  - ]:         363 :                 ImGui::NextColumn(); ImGui::NextColumn();
     663                 :             :             }
     664                 :             : 
     665                 :         363 :             ImGui::Text("  Live Slope: %.3f | Grip: %.0f%%",
     666                 :             :                 engine.m_slope_current,
     667         [ +  - ]:         363 :                 engine.m_slope_smoothed_output * 100.0f);
     668   [ +  -  +  - ]:         363 :             ImGui::NextColumn(); ImGui::NextColumn();
     669                 :             :         }
     670                 :             : 
     671         [ +  - ]:         377 :         ImGui::TreePop();
     672                 :             :     } else {
     673   [ #  #  #  # ]:           0 :         ImGui::NextColumn(); ImGui::NextColumn();
     674                 :             :     }
     675                 :             : 
     676   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("Braking & Lockup", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     677   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     678                 :             : 
     679         [ +  - ]:         377 :         BoolSetting("Lockup Vibration", &engine.m_lockup_enabled, Tooltips::LOCKUP_VIBRATION);
     680         [ +  + ]:         377 :         if (engine.m_lockup_enabled) {
     681         [ +  - ]:         373 :             FloatSetting("  Lockup Strength", &engine.m_lockup_gain, 0.0f, 3.0f, FormatDecoupled(engine.m_lockup_gain, FFBEngine::BASE_NM_LOCKUP_VIBRATION), Tooltips::LOCKUP_STRENGTH);
     682         [ +  - ]:         373 :             FloatSetting("  Brake Load Cap", &engine.m_brake_load_cap, 1.0f, 10.0f, "%.2fx", Tooltips::BRAKE_LOAD_CAP);
     683         [ +  - ]:         373 :             FloatSetting("  Vibration Pitch", &engine.m_lockup_freq_scale, 0.5f, 2.0f, "%.2fx", Tooltips::VIBRATION_PITCH);
     684                 :             : 
     685         [ +  - ]:         373 :             ImGui::Separator();
     686         [ +  - ]:         373 :             ImGui::Text("Response Curve");
     687   [ +  -  +  - ]:         373 :             ImGui::NextColumn(); ImGui::NextColumn();
     688                 :             : 
     689         [ +  - ]:         373 :             FloatSetting("  Gamma", &engine.m_lockup_gamma, 0.1f, 3.0f, "%.1f", Tooltips::LOCKUP_GAMMA);
     690         [ +  - ]:         373 :             FloatSetting("  Start Slip %", &engine.m_lockup_start_pct, 1.0f, 10.0f, "%.1f%%", Tooltips::LOCKUP_START_PCT);
     691         [ +  - ]:         373 :             FloatSetting("  Full Slip %", &engine.m_lockup_full_pct, 5.0f, 25.0f, "%.1f%%", Tooltips::LOCKUP_FULL_PCT);
     692                 :             : 
     693         [ +  - ]:         373 :             ImGui::Separator();
     694         [ +  - ]:         373 :             ImGui::Text("Prediction (Advanced)");
     695   [ +  -  +  - ]:         373 :             ImGui::NextColumn(); ImGui::NextColumn();
     696                 :             : 
     697         [ +  - ]:         373 :             FloatSetting("  Sensitivity", &engine.m_lockup_prediction_sens, 10.0f, 100.0f, "%.0f", Tooltips::LOCKUP_PREDICTION_SENS);
     698         [ +  - ]:         373 :             FloatSetting("  Bump Rejection", &engine.m_lockup_bump_reject, 0.1f, 5.0f, "%.1f m/s", Tooltips::LOCKUP_BUMP_REJECT);
     699         [ +  - ]:         373 :             FloatSetting("  Rear Boost", &engine.m_lockup_rear_boost, 1.0f, 10.0f, "%.2fx", Tooltips::LOCKUP_REAR_BOOST);
     700                 :             :         }
     701                 :             : 
     702         [ +  - ]:         377 :         ImGui::Separator();
     703         [ +  - ]:         377 :         ImGui::Text("ABS & Hardware");
     704   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     705                 :             : 
     706         [ +  - ]:         377 :         BoolSetting("ABS Pulse", &engine.m_abs_pulse_enabled, Tooltips::ABS_PULSE);
     707         [ +  + ]:         377 :         if (engine.m_abs_pulse_enabled) {
     708         [ +  - ]:         360 :             FloatSetting("  Pulse Gain", &engine.m_abs_gain, 0.0f, 10.0f, "%.2f", Tooltips::ABS_PULSE_GAIN);
     709         [ +  - ]:         360 :             FloatSetting("  Pulse Frequency", &engine.m_abs_freq_hz, 10.0f, 50.0f, "%.1f Hz", Tooltips::ABS_PULSE_FREQ);
     710                 :             :         }
     711                 :             : 
     712         [ +  - ]:         377 :         ImGui::TreePop();
     713                 :             :     } else {
     714   [ #  #  #  # ]:           0 :         ImGui::NextColumn(); ImGui::NextColumn();
     715                 :             :     }
     716                 :             : 
     717   [ +  -  +  - ]:         377 :     if (ImGui::TreeNodeEx("Vibration Effects", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed)) {
     718   [ +  -  +  - ]:         377 :         ImGui::NextColumn(); ImGui::NextColumn();
     719                 :             : 
     720                 :         377 :         bool prev_vibration_norm = engine.m_auto_load_normalization_enabled;
     721   [ +  -  -  + ]:         377 :         if (GuiWidgets::Checkbox("Enable Dynamic Load Normalization", &engine.m_auto_load_normalization_enabled, Tooltips::DYNAMIC_LOAD_NORMALIZATION_ENABLE).changed) {
     722   [ #  #  #  # ]:           0 :             if (prev_vibration_norm && !engine.m_auto_load_normalization_enabled) {
     723         [ #  # ]:           0 :                 engine.ResetNormalization();
     724                 :             :             }
     725   [ #  #  #  # ]:           0 :             Config::Save(engine);
     726                 :             :         }
     727                 :             : 
     728         [ +  - ]:         377 :         FloatSetting("Texture Load Cap", &engine.m_texture_load_cap, 1.0f, 3.0f, "%.2fx", Tooltips::TEXTURE_LOAD_CAP);
     729         [ +  - ]:         377 :         FloatSetting("Vibration Strength", &engine.m_vibration_gain, 0.0f, 2.0f, FormatPct(engine.m_vibration_gain), Tooltips::VIBRATION_GAIN);
     730                 :             : 
     731         [ +  - ]:         377 :         BoolSetting("Slide Rumble", &engine.m_slide_texture_enabled, Tooltips::SLIDE_RUMBLE);
     732         [ +  + ]:         377 :         if (engine.m_slide_texture_enabled) {
     733         [ +  - ]:         359 :             FloatSetting("  Slide Gain", &engine.m_slide_texture_gain, 0.0f, 2.0f, FormatDecoupled(engine.m_slide_texture_gain, FFBEngine::BASE_NM_SLIDE_TEXTURE), Tooltips::SLIDE_GAIN);
     734         [ +  - ]:         359 :             FloatSetting("  Slide Pitch", &engine.m_slide_freq_scale, 0.5f, 5.0f, "%.2fx", Tooltips::SLIDE_PITCH);
     735                 :             :         }
     736                 :             : 
     737         [ +  - ]:         377 :         BoolSetting("Road Details", &engine.m_road_texture_enabled, Tooltips::ROAD_DETAILS);
     738         [ +  + ]:         377 :         if (engine.m_road_texture_enabled) {
     739         [ +  - ]:         373 :             FloatSetting("  Road Gain", &engine.m_road_texture_gain, 0.0f, 2.0f, FormatDecoupled(engine.m_road_texture_gain, FFBEngine::BASE_NM_ROAD_TEXTURE), Tooltips::ROAD_GAIN);
     740                 :             :         }
     741                 :             : 
     742         [ +  - ]:         377 :         BoolSetting("Spin Vibration", &engine.m_spin_enabled, Tooltips::SPIN_VIBRATION);
     743         [ +  + ]:         377 :         if (engine.m_spin_enabled) {
     744         [ +  - ]:         373 :             FloatSetting("  Spin Strength", &engine.m_spin_gain, 0.0f, 2.0f, FormatDecoupled(engine.m_spin_gain, FFBEngine::BASE_NM_SPIN_VIBRATION), Tooltips::SPIN_STRENGTH);
     745         [ +  - ]:         373 :             FloatSetting("  Spin Pitch", &engine.m_spin_freq_scale, 0.5f, 2.0f, "%.2fx", Tooltips::SPIN_PITCH);
     746                 :             :         }
     747                 :             : 
     748         [ +  - ]:         377 :         FloatSetting("Scrub Drag", &engine.m_scrub_drag_gain, 0.0f, 1.0f, FormatDecoupled(engine.m_scrub_drag_gain, FFBEngine::BASE_NM_SCRUB_DRAG), Tooltips::SCRUB_DRAG);
     749                 :             : 
     750                 :         377 :         const char* bottoming_modes[] = { "Method A: Scraping", "Method B: Susp. Spike" };
     751         [ +  - ]:         377 :         IntSetting("Bottoming Logic", &engine.m_bottoming_method, bottoming_modes, sizeof(bottoming_modes)/sizeof(bottoming_modes[0]), Tooltips::BOTTOMING_LOGIC);
     752                 :             : 
     753         [ +  - ]:         377 :         ImGui::TreePop();
     754                 :             :     } else {
     755   [ #  #  #  # ]:           0 :         ImGui::NextColumn(); ImGui::NextColumn();
     756                 :             :     }
     757                 :             : 
     758   [ +  -  -  + ]:         377 :     if (ImGui::CollapsingHeader("Advanced Settings")) {
     759         [ #  # ]:           0 :         ImGui::Indent();
     760                 :             : 
     761   [ #  #  #  # ]:           0 :         if (ImGui::TreeNode("Stationary Vibration Gate")) {
     762                 :           0 :             float lower_kmh = engine.m_speed_gate_lower * 3.6f;
     763   [ #  #  #  # ]:           0 :             if (ImGui::SliderFloat("Mute Below", &lower_kmh, 0.0f, 20.0f, "%.1f km/h")) {
     764                 :           0 :                 engine.m_speed_gate_lower = lower_kmh / 3.6f;
     765         [ #  # ]:           0 :                 if (engine.m_speed_gate_upper <= engine.m_speed_gate_lower + 0.1f)
     766                 :           0 :                     engine.m_speed_gate_upper = engine.m_speed_gate_lower + 0.5f;
     767                 :             :             }
     768   [ #  #  #  #  :           0 :             if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::MUTE_BELOW);
                   #  # ]
     769   [ #  #  #  #  :           0 :             if (ImGui::IsItemDeactivatedAfterEdit()) Config::Save(engine);
             #  #  #  # ]
     770                 :             : 
     771                 :           0 :             float upper_kmh = engine.m_speed_gate_upper * 3.6f;
     772   [ #  #  #  # ]:           0 :             if (ImGui::SliderFloat("Full Above", &upper_kmh, 1.0f, 50.0f, "%.1f km/h")) {
     773                 :           0 :                 engine.m_speed_gate_upper = upper_kmh / 3.6f;
     774         [ #  # ]:           0 :                 if (engine.m_speed_gate_upper <= engine.m_speed_gate_lower + 0.1f)
     775                 :           0 :                     engine.m_speed_gate_upper = engine.m_speed_gate_lower + 0.5f;
     776                 :             :             }
     777   [ #  #  #  #  :           0 :             if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::FULL_ABOVE);
                   #  # ]
     778   [ #  #  #  #  :           0 :             if (ImGui::IsItemDeactivatedAfterEdit()) Config::Save(engine);
             #  #  #  # ]
     779                 :             : 
     780         [ #  # ]:           0 :             ImGui::TreePop();
     781                 :             :         }
     782                 :             : 
     783   [ #  #  #  # ]:           0 :         if (ImGui::TreeNode("Telemetry Logger")) {
     784   [ #  #  #  # ]:           0 :             if (ImGui::Checkbox("Auto-Start on Session", &Config::m_auto_start_logging)) {
     785   [ #  #  #  # ]:           0 :                 Config::Save(engine);
     786                 :             :             }
     787   [ #  #  #  #  :           0 :             if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::AUTO_START_LOGGING);
                   #  # ]
     788                 :             : 
     789                 :             :             char log_path_buf[256];
     790                 :             : #ifdef _WIN32
     791                 :             :             strncpy_s(log_path_buf, sizeof(log_path_buf), Config::m_log_path.c_str(), _TRUNCATE);
     792                 :             : #else
     793                 :           0 :             strncpy(log_path_buf, Config::m_log_path.c_str(), 255);
     794                 :             : #endif
     795                 :           0 :             log_path_buf[255] = '\0';
     796   [ #  #  #  # ]:           0 :             if (ImGui::InputText("Log Path", log_path_buf, 255)) {
     797         [ #  # ]:           0 :                 Config::m_log_path = log_path_buf;
     798                 :             :             }
     799   [ #  #  #  #  :           0 :             if (ImGui::IsItemHovered()) ImGui::SetTooltip("%s", Tooltips::LOG_PATH);
                   #  # ]
     800   [ #  #  #  #  :           0 :             if (ImGui::IsItemDeactivatedAfterEdit()) Config::Save(engine);
             #  #  #  # ]
     801                 :             : 
     802   [ #  #  #  # ]:           0 :             if (AsyncLogger::Get().IsLogging()) {
     803   [ #  #  #  #  :           0 :                 ImGui::BulletText("Filename: %s", AsyncLogger::Get().GetFilename().c_str());
                   #  # ]
     804                 :             :             }
     805                 :             : 
     806         [ #  # ]:           0 :             ImGui::TreePop();
     807                 :             :         }
     808         [ #  # ]:           0 :         ImGui::Unindent();
     809                 :             :     }
     810                 :             : 
     811         [ +  - ]:         377 :     ImGui::Columns(1);
     812         [ +  - ]:         377 :     ImGui::End();
     813                 :         377 : }
     814                 :             : 
     815                 :             : const float PLOT_HISTORY_SEC = 10.0f;
     816                 :             : const int PHYSICS_RATE_HZ = 400;
     817                 :             : const int PLOT_BUFFER_SIZE = (int)(PLOT_HISTORY_SEC * PHYSICS_RATE_HZ);
     818                 :             : 
     819                 :             : struct RollingBuffer {
     820                 :             :     std::vector<float> data;
     821                 :             :     int offset = 0;
     822                 :             : 
     823                 :          46 :     RollingBuffer() {
     824         [ +  - ]:          46 :         data.resize(PLOT_BUFFER_SIZE, 0.0f);
     825                 :          46 :     }
     826                 :             : 
     827                 :           0 :     void Add(float val) {
     828                 :           0 :         data[offset] = val;
     829                 :           0 :         offset = (offset + 1) % (int)data.size();
     830                 :           0 :     }
     831                 :             : 
     832                 :         992 :     float GetCurrent() const {
     833         [ -  + ]:         992 :         if (data.empty()) return 0.0f;
     834                 :         992 :         size_t idx = (offset - 1 + (int)data.size()) % (int)data.size();
     835                 :         992 :         return data[idx];
     836                 :             :     }
     837                 :             : 
     838                 :         992 :     float GetMin() const {
     839         [ -  + ]:         992 :         if (data.empty()) return 0.0f;
     840         [ +  - ]:         992 :         return *std::min_element(data.begin(), data.end());
     841                 :             :     }
     842                 :             : 
     843                 :         992 :     float GetMax() const {
     844         [ -  + ]:         992 :         if (data.empty()) return 0.0f;
     845         [ +  - ]:         992 :         return *std::max_element(data.begin(), data.end());
     846                 :             :     }
     847                 :             : };
     848                 :             : 
     849                 :         992 : inline void PlotWithStats(const char* label, const RollingBuffer& buffer,
     850                 :             :                           float scale_min, float scale_max,
     851                 :             :                           const ImVec2& size = ImVec2(0, 40),
     852                 :             :                           const char* tooltip = nullptr) {
     853         [ +  - ]:         992 :     ImGui::Text("%s", label);
     854                 :             :     char hidden_label[256];
     855                 :         992 :     snprintf(hidden_label, sizeof(hidden_label), "##%s", label);
     856         [ +  - ]:         992 :     ImGui::PlotLines(hidden_label, buffer.data.data(), (int)buffer.data.size(),
     857                 :         992 :                      buffer.offset, NULL, scale_min, scale_max, size);
     858   [ -  +  -  -  :         992 :     if (tooltip && ImGui::IsItemHovered()) ImGui::SetTooltip("%s", tooltip);
          -  -  -  +  -  
                      - ]
     859                 :             : 
     860                 :         992 :     float current = buffer.GetCurrent();
     861         [ +  - ]:         992 :     float min_val = buffer.GetMin();
     862         [ +  - ]:         992 :     float max_val = buffer.GetMax();
     863                 :             :     char stats_overlay[128];
     864                 :         992 :     snprintf(stats_overlay, sizeof(stats_overlay), "Cur:%.4f Min:%.3f Max:%.3f", current, min_val, max_val);
     865                 :             : 
     866         [ +  - ]:         992 :     ImVec2 p_min = ImGui::GetItemRectMin();
     867         [ +  - ]:         992 :     ImVec2 p_max = ImGui::GetItemRectMax();
     868                 :         992 :     float plot_width = p_max.x - p_min.x;
     869                 :         992 :     p_min.x += 2; p_min.y += 2;
     870                 :             : 
     871         [ +  - ]:         992 :     ImDrawList* draw_list = ImGui::GetWindowDrawList();
     872         [ +  - ]:         992 :     ImFont* font = ImGui::GetFont();
     873         [ +  - ]:         992 :     float font_size = ImGui::GetFontSize();
     874         [ +  - ]:         992 :     ImVec2 text_size = font->CalcTextSizeA(font_size, FLT_MAX, 0.0f, stats_overlay);
     875                 :             : 
     876         [ -  + ]:         992 :     if (text_size.x > plot_width - 4) {
     877                 :           0 :          snprintf(stats_overlay, sizeof(stats_overlay), "%.4f [%.3f, %.3f]", current, min_val, max_val);
     878         [ #  # ]:           0 :          text_size = font->CalcTextSizeA(font_size, FLT_MAX, 0.0f, stats_overlay);
     879         [ #  # ]:           0 :          if (text_size.x > plot_width - 4) {
     880                 :           0 :              snprintf(stats_overlay, sizeof(stats_overlay), "Val: %.4f", current);
     881         [ #  # ]:           0 :              text_size = font->CalcTextSizeA(font_size, FLT_MAX, 0.0f, stats_overlay);
     882                 :             :          }
     883                 :             :     }
     884         [ +  - ]:         992 :     draw_list->AddRectFilled(ImVec2(p_min.x - 1, p_min.y), ImVec2(p_min.x + text_size.x + 2, p_min.y + text_size.y), IM_COL32(0, 0, 0, 90));
     885         [ +  - ]:         992 :     draw_list->AddText(font, font_size, p_min, IM_COL32(255, 255, 255, 255), stats_overlay);
     886                 :         992 : }
     887                 :             : 
     888                 :             : // Global Buffers
     889                 :             : static RollingBuffer plot_total, plot_base, plot_sop, plot_yaw_kick, plot_rear_torque, plot_gyro_damping, plot_scrub_drag, plot_soft_lock, plot_oversteer, plot_understeer, plot_clipping, plot_road, plot_slide, plot_lockup, plot_spin, plot_bottoming;
     890                 :             : static RollingBuffer plot_calc_front_load, plot_calc_rear_load, plot_calc_front_grip, plot_calc_rear_grip, plot_calc_slip_ratio, plot_calc_slip_angle_smoothed, plot_calc_rear_slip_angle_smoothed, plot_slope_current, plot_calc_rear_lat_force;
     891                 :             : static RollingBuffer plot_raw_steer, plot_raw_shaft_torque, plot_raw_gen_torque, plot_raw_input_steering, plot_raw_throttle, plot_raw_brake, plot_input_accel, plot_raw_car_speed, plot_raw_load, plot_raw_grip, plot_raw_rear_grip, plot_raw_front_slip_ratio, plot_raw_susp_force, plot_raw_ride_height, plot_raw_front_lat_patch_vel, plot_raw_front_long_patch_vel, plot_raw_rear_lat_patch_vel, plot_raw_rear_long_patch_vel, plot_raw_slip_angle, plot_raw_rear_slip_angle, plot_raw_front_deflection;
     892                 :             : 
     893                 :             : static bool g_warn_dt = false;
     894                 :             : 
     895                 :           0 : void GuiLayer::UpdateTelemetry(FFBEngine& engine) {
     896         [ #  # ]:           0 :     auto snapshots = engine.GetDebugBatch();
     897         [ #  # ]:           0 :     for (const auto& snap : snapshots) {
     898                 :           0 :         m_latest_steering_range = snap.steering_range_deg;
     899                 :           0 :         m_latest_steering_angle = snap.steering_angle_deg;
     900                 :             : 
     901                 :           0 :         plot_total.Add(snap.total_output);
     902                 :           0 :         plot_base.Add(snap.base_force);
     903                 :           0 :         plot_sop.Add(snap.sop_force);
     904                 :           0 :         plot_yaw_kick.Add(snap.ffb_yaw_kick);
     905                 :           0 :         plot_rear_torque.Add(snap.ffb_rear_torque);
     906                 :           0 :         plot_gyro_damping.Add(snap.ffb_gyro_damping);
     907                 :           0 :         plot_scrub_drag.Add(snap.ffb_scrub_drag);
     908                 :           0 :         plot_soft_lock.Add(snap.ffb_soft_lock);
     909                 :           0 :         plot_oversteer.Add(snap.oversteer_boost);
     910                 :           0 :         plot_understeer.Add(snap.understeer_drop);
     911                 :           0 :         plot_clipping.Add(snap.clipping);
     912                 :           0 :         plot_road.Add(snap.texture_road);
     913                 :           0 :         plot_slide.Add(snap.texture_slide);
     914                 :           0 :         plot_lockup.Add(snap.texture_lockup);
     915                 :           0 :         plot_spin.Add(snap.texture_spin);
     916                 :           0 :         plot_bottoming.Add(snap.texture_bottoming);
     917                 :           0 :         plot_calc_front_load.Add(snap.calc_front_load);
     918                 :           0 :         plot_calc_rear_load.Add(snap.calc_rear_load);
     919                 :           0 :         plot_calc_front_grip.Add(snap.calc_front_grip);
     920                 :           0 :         plot_calc_rear_grip.Add(snap.calc_rear_grip);
     921                 :           0 :         plot_calc_slip_ratio.Add(snap.calc_front_slip_ratio);
     922                 :           0 :         plot_calc_slip_angle_smoothed.Add(snap.calc_front_slip_angle_smoothed);
     923                 :           0 :         plot_calc_rear_slip_angle_smoothed.Add(snap.calc_rear_slip_angle_smoothed);
     924                 :           0 :         plot_calc_rear_lat_force.Add(snap.calc_rear_lat_force);
     925                 :           0 :         plot_slope_current.Add(snap.slope_current);
     926                 :           0 :         plot_raw_steer.Add(snap.steer_force);
     927                 :           0 :         plot_raw_shaft_torque.Add(snap.raw_shaft_torque);
     928                 :           0 :         plot_raw_gen_torque.Add(snap.raw_gen_torque);
     929                 :           0 :         plot_raw_input_steering.Add(snap.raw_input_steering);
     930                 :           0 :         plot_raw_throttle.Add(snap.raw_input_throttle);
     931                 :           0 :         plot_raw_brake.Add(snap.raw_input_brake);
     932                 :           0 :         plot_input_accel.Add(snap.accel_x);
     933                 :           0 :         plot_raw_car_speed.Add(snap.raw_car_speed);
     934                 :           0 :         plot_raw_load.Add(snap.raw_front_tire_load);
     935                 :           0 :         plot_raw_grip.Add(snap.raw_front_grip_fract);
     936                 :           0 :         plot_raw_rear_grip.Add(snap.raw_rear_grip);
     937                 :           0 :         plot_raw_front_slip_ratio.Add(snap.raw_front_slip_ratio);
     938                 :           0 :         plot_raw_susp_force.Add(snap.raw_front_susp_force);
     939                 :           0 :         plot_raw_ride_height.Add(snap.raw_front_ride_height);
     940                 :           0 :         plot_raw_front_lat_patch_vel.Add(snap.raw_front_lat_patch_vel);
     941                 :           0 :         plot_raw_front_long_patch_vel.Add(snap.raw_front_long_patch_vel);
     942                 :           0 :         plot_raw_rear_lat_patch_vel.Add(snap.raw_rear_lat_patch_vel);
     943                 :           0 :         plot_raw_rear_long_patch_vel.Add(snap.raw_rear_long_patch_vel);
     944                 :           0 :         plot_raw_slip_angle.Add(snap.raw_front_slip_angle);
     945                 :           0 :         plot_raw_rear_slip_angle.Add(snap.raw_rear_slip_angle);
     946                 :           0 :         plot_raw_front_deflection.Add(snap.raw_front_deflection);
     947                 :           0 :         g_warn_dt = snap.warn_dt;
     948                 :             :     }
     949                 :           0 : }
     950                 :             : 
     951                 :          63 : void GuiLayer::DrawDebugWindow(FFBEngine& engine) {
     952         [ +  + ]:          63 :     if (!Config::show_graphs) return;
     953                 :             : 
     954                 :          62 :     ImGuiViewport* viewport = ImGui::GetMainViewport();
     955         [ +  - ]:          62 :     ImGui::SetNextWindowPos(ImVec2(viewport->Pos.x + CONFIG_PANEL_WIDTH, viewport->Pos.y));
     956         [ +  - ]:          62 :     ImGui::SetNextWindowSize(ImVec2(viewport->Size.x - CONFIG_PANEL_WIDTH, viewport->Size.y));
     957                 :             : 
     958                 :          62 :     ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize;
     959                 :          62 :     ImGui::Begin("FFB Analysis", nullptr, flags);
     960                 :             : 
     961                 :             :     // System Health Diagnostics (Moved from Tuning window - Issue #149)
     962         [ +  - ]:          62 :     if (ImGui::CollapsingHeader("System Health (Hz)", ImGuiTreeNodeFlags_DefaultOpen)) {
     963                 :          62 :         ImGui::Columns(5, "RateCols", false);
     964                 :          62 :         DisplayRate("FFB Loop", engine.m_ffb_rate, 400.0);
     965                 :          62 :         ImGui::NextColumn();
     966                 :          62 :         DisplayRate("Telemetry", engine.m_telemetry_rate, 400.0);
     967                 :          62 :         ImGui::NextColumn();
     968                 :          62 :         DisplayRate("Hardware", engine.m_hw_rate, 400.0);
     969                 :          62 :         ImGui::NextColumn();
     970                 :          62 :         DisplayRate("S.Torque", engine.m_torque_rate, 400.0);
     971                 :          62 :         ImGui::NextColumn();
     972                 :          62 :         DisplayRate("G.Torque", engine.m_gen_torque_rate, 400.0);
     973                 :          62 :         ImGui::Columns(1);
     974   [ -  +  -  -  :          62 :         if ((engine.m_telemetry_rate < 380.0 || engine.m_torque_rate < 380.0) && engine.m_telemetry_rate > 1.0 && GameConnector::Get().IsConnected()) {
          +  +  +  -  +  
                      + ]
     975         [ +  - ]:           6 :             ImGui::TextColored(ImVec4(1, 1, 0, 1), "Warning: Low telemetry/torque rate. Check game FFB settings.");
     976                 :             :         }
     977                 :          62 :         ImGui::Separator();
     978                 :             :     }
     979                 :             : 
     980                 :             : 
     981         [ -  + ]:          62 :     if (g_warn_dt) {
     982         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
     983                 :           0 :         ImGui::Text("TELEMETRY WARNINGS: - Invalid DeltaTime");
     984                 :           0 :         ImGui::PopStyleColor();
     985                 :           0 :         ImGui::Separator();
     986                 :             :     }
     987                 :             : 
     988         [ +  - ]:          62 :     if (ImGui::CollapsingHeader("A. FFB Components (Output)", ImGuiTreeNodeFlags_DefaultOpen)) {
     989         [ +  - ]:          62 :         PlotWithStats("Total Output", plot_total, -1.0f, 1.0f, ImVec2(0, 60));
     990                 :          62 :         ImGui::Separator();
     991                 :          62 :         ImGui::Columns(3, "FFBMain", false);
     992         [ +  - ]:          62 :         ImGui::TextColored(ImVec4(0.7f, 0.7f, 1.0f, 1.0f), "[Main Forces]");
     993         [ +  - ]:          62 :         PlotWithStats("Base Torque (Nm)", plot_base, -30.0f, 30.0f);
     994         [ +  - ]:          62 :         PlotWithStats("SoP (Chassis G)", plot_sop, -20.0f, 20.0f);
     995         [ +  - ]:          62 :         PlotWithStats("Yaw Kick", plot_yaw_kick, -20.0f, 20.0f);
     996         [ +  - ]:          62 :         PlotWithStats("Rear Align", plot_rear_torque, -20.0f, 20.0f);
     997         [ +  - ]:          62 :         PlotWithStats("Gyro Damping", plot_gyro_damping, -20.0f, 20.0f);
     998         [ +  - ]:          62 :         PlotWithStats("Scrub Drag", plot_scrub_drag, -20.0f, 20.0f);
     999         [ +  - ]:          62 :         PlotWithStats("Soft Lock", plot_soft_lock, -50.0f, 50.0f);
    1000                 :          62 :         ImGui::NextColumn();
    1001         [ +  - ]:          62 :         ImGui::TextColored(ImVec4(1.0f, 0.7f, 0.7f, 1.0f), "[Modifiers]");
    1002         [ +  - ]:          62 :         PlotWithStats("Lateral G Boost", plot_oversteer, -20.0f, 20.0f);
    1003         [ +  - ]:          62 :         PlotWithStats("Understeer Cut", plot_understeer, -20.0f, 20.0f);
    1004         [ +  - ]:          62 :         PlotWithStats("Clipping", plot_clipping, 0.0f, 1.1f);
    1005                 :          62 :         ImGui::NextColumn();
    1006         [ +  - ]:          62 :         ImGui::TextColored(ImVec4(0.7f, 1.0f, 0.7f, 1.0f), "[Textures]");
    1007         [ +  - ]:          62 :         PlotWithStats("Road Texture", plot_road, -10.0f, 10.0f);
    1008         [ +  - ]:          62 :         PlotWithStats("Slide Texture", plot_slide, -10.0f, 10.0f);
    1009         [ +  - ]:          62 :         PlotWithStats("Lockup Vib", plot_lockup, -10.0f, 10.0f);
    1010         [ +  - ]:          62 :         PlotWithStats("Spin Vib", plot_spin, -10.0f, 10.0f);
    1011         [ +  - ]:          62 :         PlotWithStats("Bottoming", plot_bottoming, -10.0f, 10.0f);
    1012                 :          62 :         ImGui::Columns(1);
    1013                 :             :     }
    1014                 :             : 
    1015         [ -  + ]:          62 :     if (ImGui::CollapsingHeader("B. Internal Physics (Brain)", ImGuiTreeNodeFlags_None)) {
    1016         [ #  # ]:           0 :         ImGui::Columns(3, "PhysCols", false);
    1017         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "[Loads]");
    1018         [ #  # ]:           0 :         ImGui::Text("Front: %.0f N | Rear: %.0f N", plot_calc_front_load.GetCurrent(), plot_calc_rear_load.GetCurrent());
    1019         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_PlotLines, ImVec4(0.0f, 1.0f, 1.0f, 1.0f));
    1020         [ #  # ]:           0 :         ImGui::PlotLines("##CLoadF", plot_calc_front_load.data.data(), (int)plot_calc_front_load.data.size(), plot_calc_front_load.offset, NULL, 0.0f, 10000.0f, ImVec2(0, 40));
    1021         [ #  # ]:           0 :         ImGui::PopStyleColor();
    1022         [ #  # ]:           0 :         ImVec2 pos_load = ImGui::GetItemRectMin();
    1023         [ #  # ]:           0 :         ImGui::SetCursorScreenPos(pos_load);
    1024         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0,0,0,0));
    1025         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_PlotLines, ImVec4(1.0f, 0.0f, 1.0f, 1.0f));
    1026         [ #  # ]:           0 :         ImGui::PlotLines("##CLoadR", plot_calc_rear_load.data.data(), (int)plot_calc_rear_load.data.size(), plot_calc_rear_load.offset, NULL, 0.0f, 10000.0f, ImVec2(0, 40));
    1027         [ #  # ]:           0 :         ImGui::PopStyleColor(2);
    1028         [ #  # ]:           0 :         ImGui::NextColumn();
    1029         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "[Grip/Slip]");
    1030         [ #  # ]:           0 :         PlotWithStats("Calc Front Grip", plot_calc_front_grip, 0.0f, 1.2f);
    1031         [ #  # ]:           0 :         PlotWithStats("Calc Rear Grip", plot_calc_rear_grip, 0.0f, 1.2f);
    1032         [ #  # ]:           0 :         PlotWithStats("Front Slip Ratio", plot_calc_slip_ratio, -1.0f, 1.0f);
    1033         [ #  # ]:           0 :         PlotWithStats("Front Slip Angle", plot_calc_slip_angle_smoothed, 0.0f, 1.0f);
    1034         [ #  # ]:           0 :         PlotWithStats("Rear Slip Angle", plot_calc_rear_slip_angle_smoothed, 0.0f, 1.0f);
    1035   [ #  #  #  # ]:           0 :         if (engine.m_slope_detection_enabled) PlotWithStats("Slope", plot_slope_current, -5.0f, 5.0f);
    1036         [ #  # ]:           0 :         ImGui::NextColumn();
    1037         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "[Forces]");
    1038         [ #  # ]:           0 :         PlotWithStats("Calc Rear Lat Force", plot_calc_rear_lat_force, -5000.0f, 5000.0f);
    1039         [ #  # ]:           0 :         ImGui::Columns(1);
    1040                 :             :     }
    1041                 :             : 
    1042         [ -  + ]:          62 :     if (ImGui::CollapsingHeader("C. Raw Game Telemetry (Input)", ImGuiTreeNodeFlags_None)) {
    1043         [ #  # ]:           0 :         ImGui::Columns(4, "TelCols", false);
    1044         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(0.0f, 1.0f, 1.0f, 1.0f), "[Driver Input]");
    1045         [ #  # ]:           0 :         PlotWithStats("Selected Torque", plot_raw_steer, -30.0f, 30.0f, ImVec2(0, 40), Tooltips::PLOT_SELECTED_TORQUE);
    1046         [ #  # ]:           0 :         PlotWithStats("Shaft Torque (100Hz)", plot_raw_shaft_torque, -30.0f, 30.0f, ImVec2(0, 40), Tooltips::PLOT_SHAFT_TORQUE);
    1047         [ #  # ]:           0 :         PlotWithStats("In-Game FFB (400Hz)", plot_raw_gen_torque, -30.0f, 30.0f, ImVec2(0, 40), Tooltips::PLOT_INGAME_FFB);
    1048         [ #  # ]:           0 :         PlotWithStats("Steering Input", plot_raw_input_steering, -1.0f, 1.0f);
    1049         [ #  # ]:           0 :         ImGui::Text("Combined Input");
    1050         [ #  # ]:           0 :         ImVec2 pos = ImGui::GetCursorScreenPos();
    1051         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_PlotLines, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
    1052         [ #  # ]:           0 :         ImGui::PlotLines("##BrkComb", plot_raw_brake.data.data(), (int)plot_raw_brake.data.size(), plot_raw_brake.offset, NULL, 0.0f, 1.0f, ImVec2(0, 40));
    1053         [ #  # ]:           0 :         ImGui::PopStyleColor();
    1054         [ #  # ]:           0 :         ImGui::SetCursorScreenPos(pos);
    1055         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_PlotLines, ImVec4(0.0f, 1.0f, 0.0f, 1.0f));
    1056         [ #  # ]:           0 :         ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.0f, 0.0f, 0.0f, 0.0f));
    1057         [ #  # ]:           0 :         ImGui::PlotLines("##ThrComb", plot_raw_throttle.data.data(), (int)plot_raw_throttle.data.size(), plot_raw_throttle.offset, NULL, 0.0f, 1.0f, ImVec2(0, 40));
    1058         [ #  # ]:           0 :         ImGui::PopStyleColor(2);
    1059         [ #  # ]:           0 :         ImGui::NextColumn();
    1060         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(0.0f, 1.0f, 1.0f, 1.0f), "[Vehicle State]");
    1061         [ #  # ]:           0 :         PlotWithStats("Lat Accel", plot_input_accel, -20.0f, 20.0f);
    1062         [ #  # ]:           0 :         PlotWithStats("Speed (m/s)", plot_raw_car_speed, 0.0f, 100.0f);
    1063         [ #  # ]:           0 :         ImGui::NextColumn();
    1064         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(0.0f, 1.0f, 1.0f, 1.0f), "[Raw Tire Data]");
    1065         [ #  # ]:           0 :         PlotWithStats("Raw Front Load", plot_raw_load, 0.0f, 10000.0f);
    1066         [ #  # ]:           0 :         PlotWithStats("Raw Front Grip", plot_raw_grip, 0.0f, 1.2f);
    1067         [ #  # ]:           0 :         PlotWithStats("Raw Rear Grip", plot_raw_rear_grip, 0.0f, 1.2f);
    1068         [ #  # ]:           0 :         ImGui::NextColumn();
    1069         [ #  # ]:           0 :         ImGui::TextColored(ImVec4(0.0f, 1.0f, 1.0f, 1.0f), "[Patch Velocities]");
    1070         [ #  # ]:           0 :         PlotWithStats("F-Lat PatchVel", plot_raw_front_lat_patch_vel, 0.0f, 20.0f);
    1071         [ #  # ]:           0 :         PlotWithStats("R-Lat PatchVel", plot_raw_rear_lat_patch_vel, 0.0f, 20.0f);
    1072         [ #  # ]:           0 :         PlotWithStats("F-Long PatchVel", plot_raw_front_long_patch_vel, -20.0f, 20.0f);
    1073         [ #  # ]:           0 :         PlotWithStats("R-Long PatchVel", plot_raw_rear_long_patch_vel, -20.0f, 20.0f);
    1074         [ #  # ]:           0 :         ImGui::Columns(1);
    1075                 :             :     }
    1076                 :             : 
    1077                 :          62 :     ImGui::End();
    1078                 :             : }
    1079                 :             : #endif
        

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