remove the option if we have no scaling fonts

code/graphics/software/FontManager.cpp

@@ -11,6 +11,7 @@
 #include "bmpman/bmpman.h"
 #include "cfile/cfile.h"
 #include "localization/localize.h"
+#include "options/Option.h"
 
 namespace font
 {
@@ -84,6 +85,18 @@ namespace font
 		return -1;
 	}
 
+	bool FontManager::hasScalingFonts()
+	{
+		for (auto& font : fonts) {
+			const auto& thisFont = font.get();
+			if (thisFont->getType() == NVG_FONT && thisFont->getScaleBehavior()) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
 	int FontManager::numberOfFonts()
 	{
 		return (int)fonts.size();

code/graphics/software/FontManager.h

@@ -132,6 +132,11 @@ namespace font {
 		*/
 		static int getFontIndex(FSFont *font);
 
+		/**
+		 * @brief Checks if we have any Scaling TTF fonts loaded. If not it disables the font scaling option
+		 */
+		static bool hasScalingFonts();
+
 		/**
 		* @brief Returns the number of fonts currently saved in the manager
 		* @return The number of fonts

code/graphics/software/NVGFont.cpp

@@ -22,6 +22,10 @@ static auto FontScaleFactor __UNUSED = options::OptionBuilder<float>("Game.FontS
 										   .importance(55)
 										   .finish();
 
+void removeFontMultiplierOption() {
+	options::OptionsManager::instance()->removeOption(FontScaleFactor);
+}
+
 namespace
 {
 	const char* const TOKEN_SEPARATORS = "\n\t\r";

code/graphics/software/VFNTFont.h

@@ -3,6 +3,8 @@
 #include "globalincs/pstypes.h"
 #include "graphics/software/FSFont.h"
 
+void removeFontMultiplierOption();
+
 namespace font
 {
 	struct font;

code/graphics/software/font.cpp

@@ -467,6 +467,11 @@ namespace
 		//Then other ones
 		parse_modular_table("*-fnt.tbm", parse_font_tbl);
 
+
+		if (!FontManager::hasScalingFonts()) {
+			removeFontMultiplierOption();
+		}
+
 		// double check
 		if (FontManager::numberOfFonts() < 3) {
 			Error(LOCATION, "At least three fonts have to be loaded but only %d valid entries were found!", FontManager::numberOfFonts());