feat(gui): implement user based font scaling

Author: Mauller

GeneralsMD/Code/GameEngine/Include/Common/GlobalData.h

@@ -409,6 +409,9 @@ class GlobalData : public SubsystemInterface
 	Int m_systemTimeFontSize;
 	Int m_gameTimeFontSize;
 
+	// TheSuperHackers @feature user adjustable font size percentage
+	Real m_userFontSizeAdjustment;
+
 	Real m_shakeSubtleIntensity;			///< Intensity for shaking a camera with SHAKE_SUBTLE
 	Real m_shakeNormalIntensity;			///< Intensity for shaking a camera with SHAKE_NORMAL
 	Real m_shakeStrongIntensity;			///< Intensity for shaking a camera with SHAKE_STRONG

GeneralsMD/Code/GameEngine/Include/Common/UserPreferences.h

@@ -135,6 +135,8 @@ class OptionPreferences : public UserPreferences
 
 	Int getSystemTimeFontSize(void);
 	Int getGameTimeFontSize(void);
+
+	Real getUserFontScale(void);
 };
 
 //-----------------------------------------------------------------------------

GeneralsMD/Code/GameEngine/Include/GameClient/GlobalLanguage.h

@@ -101,6 +101,7 @@ class GlobalLanguage : public SubsystemInterface
 	FontDesc  m_creditsNormalFont;
 
 	Real			m_resolutionFontSizeAdjustment;
+	Real			m_userFontSizeAdjustment;
 
 	//UnicodeString	m_unicodeFontNameUStr;
 

GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp

@@ -937,6 +937,8 @@ GlobalData::GlobalData()
 	m_systemTimeFontSize = 8;
 	m_gameTimeFontSize = 8;
 
+	m_userFontSizeAdjustment = 1.0f;
+
 	m_debugShowGraphicalFramerate = FALSE;
 
 	// By default, show all asserts.
@@ -1204,6 +1206,8 @@ void GlobalData::parseGameDataDefinition( INI* ini )
 	TheWritableGlobalData->m_systemTimeFontSize = optionPref.getSystemTimeFontSize();
 	TheWritableGlobalData->m_gameTimeFontSize = optionPref.getGameTimeFontSize();
 
+	TheWritableGlobalData->m_userFontSizeAdjustment = optionPref.getUserFontScale();
+
 	Int val=optionPref.getGammaValue();
 	//generate a value between 0.6 and 2.0.
 	if (val < 50)

GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp

@@ -828,6 +828,20 @@ Int OptionPreferences::getGameTimeFontSize(void)
 	return fontSize;
 }
 
+Real OptionPreferences::getUserFontScale(void)
+{
+	OptionPreferences::const_iterator it = find("UserFontScale");
+	if (it == end())
+		return 1.0f;
+
+	Real fontScale = (Real)atof(it->second.str()) / 100.0f;
+	if (fontScale < 0.5f)
+	{
+		fontScale = 0.5f;
+	}
+	return fontScale;
+}
+
 static OptionPreferences *pref = NULL;
 
 static void setDefaults( void )
@@ -1354,6 +1368,16 @@ static void saveOptions( void )
 		TheInGameUI->refreshGameTimeResources();
 	}
 
+	//-------------------------------------------------------------------------------------------------
+	// Set User Font Scaling Percentage
+	val = pref->getUserFontScale() * 100.0f; // TheSuperHackers @todo replace with options input when applicable
+	if (val >= 50)
+	{
+		AsciiString prefString;
+		prefString.format("%d", REAL_TO_INT( val ) );
+		(*pref)["UserFontScale"] = prefString;
+	}
+
 	//-------------------------------------------------------------------------------------------------
 	// Resolution
 	//

GeneralsMD/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp

@@ -193,7 +193,7 @@ Int GlobalLanguage::adjustFontSize(Int theFontSize)
 {
 	// TheSuperHackers @bugfix Mauller 10/08/2025 Scale fonts based on the smallest screen dimension so they are independent of aspect ratio
 	Real adjustFactor = min(TheGlobalData->m_xResolution/800.0f, TheGlobalData->m_yResolution/600.0f);
-	adjustFactor = 1.0f + (adjustFactor-1.0f) * m_resolutionFontSizeAdjustment;
+	adjustFactor = 1.0f + (adjustFactor-1.0f) * m_resolutionFontSizeAdjustment * TheGlobalData->m_userFontSizeAdjustment;
 	if (adjustFactor<1.0f) adjustFactor = 1.0f;
 	if (adjustFactor>2.0f) adjustFactor = 2.0f;
 	Int pointSize = REAL_TO_INT_FLOOR(theFontSize*adjustFactor);