- groundwork for menus with a fixed virtual screen size.

src/menu/menu.cpp

@@ -69,6 +69,7 @@ CVAR(Bool, m_blockcontrollers, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 CVAR (Float, snd_menuvolume, 0.6f, CVAR_ARCHIVE)
 CVAR(Int, m_use_mouse, 2, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 CVAR(Int, m_show_backbutton, 0, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
+CVAR(Bool, m_cleanscale, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 
 static DMenu *GetCurrentMenu()
 {
@@ -147,6 +148,14 @@ void DListMenuDescriptor::Reset()
 	mFontColor = CR_UNTRANSLATED;
 	mFontColor2 = CR_UNTRANSLATED;
 	mFromEngine = false;
+	mVirtWidth = mVirtHeight = -1;	// default to clean scaling
+}
+
+DEFINE_ACTION_FUNCTION(DListMenuDescriptor, Reset)
+{
+	PARAM_SELF_PROLOGUE(DListMenuDescriptor);
+	self->Reset();
+	return 0;
 }
 
 
@@ -1034,6 +1043,8 @@ DEFINE_FIELD(DListMenuDescriptor, mFont)
 DEFINE_FIELD(DListMenuDescriptor, mFontColor)
 DEFINE_FIELD(DListMenuDescriptor, mFontColor2)
 DEFINE_FIELD(DListMenuDescriptor, mCenter)
+DEFINE_FIELD(DListMenuDescriptor, mVirtWidth)
+DEFINE_FIELD(DListMenuDescriptor, mVirtHeight)
 
 DEFINE_FIELD(DOptionMenuDescriptor, mItems)
 DEFINE_FIELD(DOptionMenuDescriptor, mTitle)

src/menu/menu.h

@@ -88,6 +88,8 @@ public:
 	EColorRange mFontColor2;
 	bool mCenter;
 	bool mFromEngine;
+	int mVirtWidth;
+	int mVirtHeight;
 
 	void Reset();
 	size_t PropagateMark() override;

src/menu/menudef.cpp

@@ -366,6 +366,28 @@ static void ParseListMenuBody(FScanner &sc, DListMenuDescriptor *desc)
 			sc.MustGetString();
 			desc->mNetgameMessage = sc.String;
 		}
+		else if (sc.Compare("size"))
+		{
+			if (sc.CheckNumber())
+			{
+				desc->mVirtWidth = sc.Number;
+				sc.MustGetStringName(",");
+				sc.MustGetNumber();
+				desc->mVirtHeight = sc.Number;
+			}
+			else
+			{
+				sc.MustGetString();
+				if (sc.Compare("clean"))
+				{
+					desc->mVirtWidth = -1;
+				}
+				if (sc.Compare("optclean"))
+				{
+					desc->mVirtWidth = -2;
+				}
+			}
+		}
 		else
 		{
 			bool success = false;
@@ -631,6 +653,7 @@ static void ParseListMenu(FScanner &sc)
 	sc.MustGetString();
 
 	DListMenuDescriptor *desc = Create<DListMenuDescriptor>();
+	desc->Reset();
 	desc->mMenuName = sc.String;
 	desc->mSelectedItem = -1;
 	desc->mAutoselect = -1;

wadsrc/static/zscript/ui/menu/listmenu.zs

@@ -2,6 +2,11 @@
 
 class ListMenuDescriptor : MenuDescriptor native
 {
+	enum
+	{
+		CleanScale = -1,
+		OptCleanScale = -2
+	};
 	native Array<ListMenuItem> mItems;
 	native int mSelectedItem;
 	native double mSelectOfsX;
@@ -16,21 +21,18 @@ class ListMenuDescriptor : MenuDescriptor native
 	native int mFontColor;
 	native int mFontColor2;
 	native bool mCenter;
+	native int mVirtWidth, mVirtHeight;
 
-	void Reset()
+	native void Reset();
+	int DisplayWidth()
 	{
-		// Reset the default settings (ignore all other values in the struct)
-		mSelectOfsX = 0;
-		mSelectOfsY = 0;
-		mSelector.SetInvalid();
-		mDisplayTop = 0;
-		mXpos = 0;
-		mYpos = 0;
-		mLinespacing = 0;
-		mNetgameMessage = "";
-		mFont = NULL;
-		mFontColor = Font.CR_UNTRANSLATED;
-		mFontColor2 = Font.CR_UNTRANSLATED;
+		if (mVirtWidth == OptCleanScale) return m_cleanscale ? CleanScale : 320;
+		return mVirtWidth;
+	}
+	int DisplayHeight()
+	{
+		if (mVirtWidth == OptCleanScale) return m_cleanscale ? CleanScale : 200;
+		return mVirtHeight;
 	}
 }