- added option to show hub and episode names on the alt HUD.

Still very much work in progress because few mods have set this up.
CVARs default to off and are not exposed to the menu.

src/d_main.cpp

@@ -31,10 +31,6 @@
 #include <direct.h>
 #endif
 
-#ifdef HAVE_FPU_CONTROL
-#include <fpu_control.h>
-#endif
-
 #if defined(__unix__) || defined(__APPLE__)
 #include <unistd.h>
 #endif

src/g_level.cpp

@@ -85,6 +85,7 @@
 #include "c_buttons.h"
 #include "screenjob.h"
 #include "types.h"
+#include "gstrings.h"
 
 #include "gi.h"
 
@@ -101,6 +102,7 @@
 
 void STAT_StartNewGame(const char *lev);
 void STAT_ChangeLevel(const char *newl, FLevelLocals *Level);
+FString STAT_EpisodeName();
 
 EXTERN_CVAR(Bool, save_formatted)
 EXTERN_CVAR (Float, sv_gravity)
@@ -2430,3 +2432,31 @@ void FLevelLocals::SetMusic()
 {
 	S_ChangeMusic(Music, musicorder);
 }
+
+
+DEFINE_ACTION_FUNCTION(FLevelLocals, GetClusterName)
+{
+	PARAM_SELF_STRUCT_PROLOGUE(FLevelLocals)
+	cluster_info_t* cluster = FindClusterInfo(self->cluster);
+	FString retval;
+
+	if (cluster)
+	{
+		if (cluster->flags & CLUSTER_LOOKUPNAME)
+			retval = GStrings(cluster->ClusterName);
+		else
+			retval = cluster->ClusterName;
+	}
+	ACTION_RETURN_STRING(retval);
+}
+
+DEFINE_ACTION_FUNCTION(FLevelLocals, GetEpisodeName)
+{
+	// this is a bit of a crapshoot because ZDoom never assigned a level to an episode
+	// and retroactively fixing this is not possible.
+	// This will need some heuristics to assign a proper episode to each existing level.
+	// Stuff for later. for now this just checks the STAT module for the currently running episode,
+	// which should be fine unless cheating.
+	ACTION_RETURN_STRING(GStrings.localize(STAT_EpisodeName()));
+}
+

src/g_statusbar/shared_hud.cpp

@@ -63,6 +63,8 @@ CVAR (Bool,  hud_showitems,		false,CVAR_ARCHIVE);	// Show item stats on HUD
 CVAR (Bool,  hud_showstats,		false,	CVAR_ARCHIVE);	// for stamina and accuracy. 
 CVAR (Bool,  hud_showscore,		false,	CVAR_ARCHIVE);	// for user maintained score
 CVAR (Bool,  hud_showweapons,	true, CVAR_ARCHIVE);	// Show weapons collected
+CVAR (Bool,  am_showepisode,	false, CVAR_ARCHIVE);	// Show current episode name
+CVAR (Bool,  am_showcluster,	false, CVAR_ARCHIVE);	// Show current cluster name
 CVAR (Int ,  hud_showammo,		2, CVAR_ARCHIVE);		// Show ammo collected
 CVAR (Int ,  hud_showtime,		0,	    CVAR_ARCHIVE);	// Show time on HUD
 CVAR (Int ,  hud_showtimestat,	0,	    CVAR_ARCHIVE);	// Show time on HUD as statistics widget

src/gamedata/statistics.cpp

@@ -561,6 +561,12 @@ void STAT_Serialize(FSerializer &arc)
 }
 
 
+FString STAT_EpisodeName()
+{
+	if (StartEpisode == nullptr) return "";
+	return StartEpisode->mEpisodeName;
+}
+
 //==========================================================================
 //
 // show statistics

wadsrc/static/zscript/doombase.zs

@@ -511,6 +511,9 @@ struct LevelLocals native
 	native void ExitLevel(int position, bool keepFacing);
 	native void SecretExitLevel(int position);
 	native void ChangeLevel(string levelname, int position = 0, int flags = 0, int skill = -1);
+
+	native String GetClusterName();
+	native String GetEpisodeName();
 }
 
 // a few values of this need to be readable by the play code.

wadsrc/static/zscript/ui/statusbar/alt_hud.zs

@@ -973,9 +973,31 @@ class AltHud ui
 		let amstr = Level.FormatMapName(hudcolor_titl);
 		font = generic_ui? NewSmallFont : SmallFont.CanPrint(amstr)? SmallFont : OriginalSmallFont;
 
-		screen.DrawText(font, Font.CR_BRICK, 2, hudheight - fonth - 1, amstr,
-			DTA_KeepRatio, true,
-			DTA_VirtualWidth, hudwidth, DTA_VirtualHeight, hudheight);
+		bottom = hudheight - fonth - 1;
+
+		screen.DrawText(font, Font.CR_BRICK, 2, bottom, amstr,
+			DTA_KeepRatio, true, DTA_VirtualWidth, hudwidth, DTA_VirtualHeight, hudheight);
+
+		if (am_showcluster && (Level.clusterflags & Level.CLUSTER_HUB))
+		{
+			let text = Level.GetClusterName();
+			if (text != "")
+			{
+				bottom -= fonth;
+				screen.DrawText(font, Font.CR_ORANGE, 2, bottom, text,
+					DTA_KeepRatio, true, DTA_VirtualWidth, hudwidth, DTA_VirtualHeight, hudheight);
+			}
+		}
+		if (am_showepisode)
+		{
+			let text = Level.GetEpisodeName();
+			if (text != "")
+			{
+				bottom -= fonth;
+				screen.DrawText(font, Font.CR_RED, 2, bottom, text,
+					DTA_KeepRatio, true, DTA_VirtualWidth, hudwidth, DTA_VirtualHeight, hudheight);
+			}
+		}
 
 		DrawCoordinates(CPlayer, false);
 	}