Add celmath::clamp(val, low, high)

src/celengine/render.cpp

@@ -7877,10 +7877,9 @@ void Renderer::updateBodyVisibilityMask()
     bodyVisibilityMask = flags;
 }
 
-void  Renderer::setSolarSystemMaxDistance(float t)
+void Renderer::setSolarSystemMaxDistance(float t)
 {
-    if (t >= 1.0f && t <= 10.0f)
-        SolarSystemMaxDistance = t;
+    SolarSystemMaxDistance = clamp(t, 1.0f, 10.0f);
 }
 
 void Renderer::getScreenSize(int* x, int* y, int* w, int* h) const

src/celmath/mathlib.h

@@ -47,6 +47,12 @@ template<typename T> constexpr T clamp(T t)
     return (t < 0) ? 0 : ((t > 1) ? 1 : t);
 }
 
+// return t clamped to [low, high]
+template<typename T> constexpr T clamp(T t, T low, T high)
+{
+    return (t < low) ? low : ((t > high) ? high : t);
+}
+
 template<typename T> inline constexpr T degToRad(T d)
 {
     return d / 180 * static_cast<T>(PI);