feat(defaults): update default values for gauges, exhaustfx, and roof

src/features/exhaust.cpp

@@ -345,7 +345,7 @@ void ExhaustFx::RenderSmokeFx(CVehicle *pVeh, const ExhaustData &info)
 
     FxPrtMult_c fxPrt(info.Color.r / 255.0f, info.Color.g / 255.0f, info.Color.b / 255.0f, alpha, 0.2f * info.fSizeMul, 1.0f, life);
 
-    for (int i = 0; i < 2; i++)
+    for (int i = 0; i < 1; i++)
     {
         FxSystem_c *fxSystem = isExhaustSubmerged ? g_fx.m_pPrtBubble : g_fx.m_pPrtSmokeII3expand;
 

src/features/exhausts.h

@@ -20,10 +20,10 @@ struct ExhaustData
 {
     std::string sName;
     RwFrame *pFrame = nullptr;
-    CRGBA Color = {150, 150, 150, 200}; // Dark grey default
-    float fLifeTime = 0.4f;             // Default smoke lifetime (shortened to prevent excessive rising)
+    CRGBA Color = {190, 190, 190, 75}; // Soft light grey vanilla-friendly smoke
+    float fLifeTime = 0.25f;            // Vanilla-friendly smoke lifetime
     float fSpeedMul = 1.0f;             // Speed multiplier
-    float fSizeMul = 1.0f;
+    float fSizeMul = 0.85f;             // Vanilla-friendly size multiplier
     bool bNitroEffect = true;
     FxSystem_c *pFxSysem = nullptr;
 };

src/features/gauge.cpp

@@ -297,8 +297,8 @@ void FixedGauge::Init()
         if (nodeName.starts_with("x_gauge_fixed") || nodeName == "x_gasmeter" || nodeName == "x_gm" || nodeName == "petrolok") {
             auto &jsonData = DataMgr::Get(pVeh->m_nModelIndex);
 
-            float minAngle = 20.0f;
-            float maxAngle = 70.0f;
+            float minAngle = 30.0f;
+            float maxAngle = 120.0f;
             std::string name(nodeName);
             if (jsonData.contains("gauges") && jsonData["gauges"].contains(name)) {
                 minAngle = jsonData["gauges"][name].value("minangle", minAngle);

src/features/gauge.h

@@ -57,7 +57,7 @@ class MileageIndicator : public CVehFeature<VehMileageData>
 
 struct RPMGaugeData {
   RwFrame *pFrame = nullptr;
-  int iMaxRPM = 5000;
+  int iMaxRPM = 8000;
   int iPrevGear = -1;
   float fCurRotation = 0.0f;
   float fMaxRotation = 260.0f;
@@ -83,10 +83,10 @@ class RPMGauge : public CVehFeature<VehRPMData>
 
 struct SpeedGaugeData {
   RwFrame *pFrame = nullptr;
-  int iMaxSpeed = 100;
+  int iMaxSpeed = 240;
   float fMul = 160.9f;
   float fCurRotation = 0.0f;
-  float fMaxRotation = 100.0f;
+  float fMaxRotation = 260.0f;
 };
 
 struct VehSpeedData

src/features/roof.h

@@ -5,10 +5,10 @@
 
 struct RoofConfig {
       RwFrame* pFrame = nullptr;
-      float speed = 1.0f;
+      float speed = 1.5f;
       float currentRot = 0.0f;
       float prevRot = 0.0f;
-      float targetRot = 30.0f;
+      float targetRot = 60.0f;
     };
 
 enum class AnimPhase {