- animated transitions are working.

source/common/menu/listmenu.cpp

@@ -64,6 +64,7 @@ void DListMenu::Init(DMenu *parent, FListMenuDescriptor *desc)
 {
 	mParentMenu = parent;
 	mDesc = desc;
+	canAnimate = !!(mDesc->mFlags & LMF_Animate);
 	if (mDesc->mScriptId >= 0) scriptID = mDesc->mScriptId;
 #if 0
 	if (desc->mCenter)

source/common/menu/menu.cpp

@@ -133,6 +133,7 @@ bool M_DrawTransition(MenuTransition &transition)
 		
 		transition.previous->origin.X = factor * transition.dir * (sin(phase) - 1.);
 		transition.current->origin.X = factor * transition.dir * (sin(phase) + 1.);
+		Printf("prev.X = %2.5f, next.X = %2.5f\n", transition.previous->origin.X, transition.current->origin.X);
 		transition.previous->Drawer();
 		transition.current->Drawer();
 		return true;
@@ -763,6 +764,7 @@ void M_Ticker (void)
 	if (DMenu::MenuTime & 3) return;
 	if (DMenu::CurrentMenu != NULL && menuactive != MENU_Off) 
 	{
+		if (transition.previous) transition.previous->Ticker();
 		DMenu::CurrentMenu->Ticker();
 
 		for (int i = 0; i < NUM_MKEYS; ++i)
@@ -804,18 +806,18 @@ void M_Drawer (void)
 	{
 		if (DMenu::CurrentMenu->DimAllowed() && fade && !DrawBackground) twod.AddColorOnlyQuad(0, 0, screen->GetWidth(), screen->GetHeight(), fade);
 
-		bool done = false;
+		bool going = false;
 		if (transition.previous)
 		{
-			done = M_DrawTransition(transition);
-			if (!done)
+			going = M_DrawTransition(transition);
+			if (!going)
 			{
-				delete transition.previous;
+				if (transition.dir == -1) delete transition.previous;
 				transition.previous = nullptr;
 				transition.current = nullptr;
 			}
 		}
-		if (!done)
+		if (!going)
 		{
 			DMenu::CurrentMenu->origin = { 0,0 };
 			// else if (DrawBackground) Menu_DrawBackground(origin);

source/common/menu/menu.h

@@ -167,7 +167,8 @@ class FOptionMenuItem;
 enum ListMenuFlags
 {
 	LMF_Centered = 1,
-	LMF_DontSpace = 2
+	LMF_DontSpace = 2,
+	LMF_Animate = 4,
 };
 
 struct FListMenuDescriptor : public FMenuDescriptor
@@ -318,7 +319,7 @@ public:
 	static int MenuTime;
 
 	DMenu *mParentMenu;
-	DVector2 origin;
+	DVector2 origin = { 0,0 };
 	int scriptID = INT_MAX;
 	bool canAnimate = false;
 

source/common/menu/menudef.cpp

@@ -284,6 +284,10 @@ static void ParseListMenuBody(FScanner &sc, FListMenuDescriptor *desc)
 		{
 			desc->mFlags |= LMF_Centered;
 		}
+		else if (sc.Compare("animatedtransition"))
+		{
+			desc->mFlags |= LMF_Animate;
+		}
 		else if (sc.Compare("Fixedspacing"))
 		{
 			sc.MustGetNumber();

wadsrc/static/demolition/menudef.txt

@@ -18,6 +18,7 @@ LISTMENU "MainMenu"
 		{
 			position 160, 55, 115
 			centermenu
+			animatedtransition
 		}
 		class "Duke.MainMenu"
 		NativeTextItem "$MNU_NEWGAME", "n", "EpisodeMenu"
@@ -81,6 +82,7 @@ LISTMENU "IngameMenu"
 		{
 			position 160, 55, 115
 			centermenu
+			animatedtransition
 		}
 		linespacing 15
 		class "Duke.MainMenu"
@@ -134,6 +136,7 @@ LISTMENU "EpisodeMenu"
 		position 160, 48, 142
 		centermenu
 		fixedspacing 5
+		animatedtransition
 		class "Duke.ListMenu"
 	}
 
@@ -149,17 +152,20 @@ LISTMENU "SkillMenu"
 		centermenu
 		fixedspacing 5
 		class "Duke.ListMenu"
+		animatedtransition
 	}
-
 	ScriptId 110
 }
 
+// The custom menus are only supported by the EDuke32 frontend.
 LISTMENU "CustomGameMenu"
 {
 	position 160, 48, 142
 	centermenu
 	fixedspacing 5
 	ScriptId 102
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu1"
@@ -168,6 +174,8 @@ LISTMENU "CustomSubMenu1"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu2"
@@ -176,6 +184,8 @@ LISTMENU "CustomSubMenu2"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu3"
@@ -184,6 +194,8 @@ LISTMENU "CustomSubMenu3"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu4"
@@ -192,6 +204,8 @@ LISTMENU "CustomSubMenu4"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu5"
@@ -200,6 +214,8 @@ LISTMENU "CustomSubMenu5"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu6"
@@ -208,6 +224,8 @@ LISTMENU "CustomSubMenu6"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "CustomSubMenu7"
@@ -216,10 +234,21 @@ LISTMENU "CustomSubMenu7"
 	centermenu
 	fixedspacing 5
 	ScriptId 103
+	class "Duke.ListMenu"
+	animatedtransition
 }
 
 LISTMENU "MultiMenu"
 {
+	ifgame(Duke, Nam, WW2GI, Fury) // Ion Fury does not use this menu.
+	{
+		position 160, 55, 135
+		centermenu
+		fixedspacing 5
+		class "Duke.ListMenu"
+		animatedtransition
+	}
+
 	Caption "$MNU_NETWORKGAME"
 	NativeTextItem "$MNU_PLAYERSETUP", "p", "PlayerSetupMenu"
 	NativeTextItem "$MNU_JOINGAME", "j", "JoinGameMenu"