- added MF6_NOTONAUTOMAP flag to exclude things from being shown with the scanner powerup. The IDDT cheat will not be affected by this.

src/actor.h

@@ -331,6 +331,7 @@ enum
 	MF6_DOHARMSPECIES	= 0x08000000,	// Do hurt one's own species with projectiles.
 	MF6_INTRYMOVE		= 0x10000000,	// Executing P_TryMove
 	MF6_NOTAUTOAIMED	= 0x20000000,	// Do not subject actor to player autoaim.
+	MF6_NOTONAUTOMAP	= 0x40000000,	// will not be shown on automap with the 'scanner' powerup.
 
 // --- mobj.renderflags ---
 

src/am_map.cpp

@@ -2355,6 +2355,8 @@ void AM_drawThings ()
 	{
 		t = sectors[i].thinglist;
 		while (t)
+		{
+			if (am_cheat > 0 || !(t->flags6 & MF6_NOTONAUTOMAP))
 			{
 				p.x = t->x >> FRACTOMAPBITS;
 				p.y = t->y >> FRACTOMAPBITS;
@@ -2463,7 +2465,7 @@ void AM_drawThings ()
 						AM_drawLineCharacter (box, 4, t->radius >> FRACTOMAPBITS, angle - t->angle, color, p.x, p.y);
 					}
 				}
-
+			}
 			t = t->snext;
 		}
 	}

src/thingdef/thingdef_data.cpp

@@ -234,6 +234,7 @@ static FFlagDef ActorFlags[]=
 	DEFINE_FLAG(MF6, DOHARMSPECIES, AActor, flags6),
 	DEFINE_FLAG(MF6, POISONALWAYS, AActor, flags6),
 	DEFINE_FLAG(MF6, NOTAUTOAIMED, AActor, flags6),
+	DEFINE_FLAG(MF6, NOTONAUTOMAP, AActor, flags6),
 
 	// Effect flags
 	DEFINE_FLAG(FX, VISIBILITYPULSE, AActor, effects),