I don't think we need the BLUE_SPHERES define anymore...

src/dehacked.c

@@ -6229,9 +6229,7 @@ static const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for s
 	// Collectible Items
 	"MT_RING",
 	"MT_FLINGRING", // Lost ring
-#ifdef BLUE_SPHERES
 	"MT_BLUEBALL",  // Blue sphere replacement for special stages
-#endif
 	"MT_REDTEAMRING",  //Rings collectable by red team.
 	"MT_BLUETEAMRING", //Rings collectable by blue team.
 	"MT_EMMY", // emerald token for special stage

src/doomdef.h

@@ -449,10 +449,6 @@ extern const char *compdate, *comptime, *comprevision, *compbranch;
 ///	Polyobject fake flat code
 #define POLYOBJECTS_PLANES
 
-///	Blue spheres for future use.
-///	\todo	Remove this define.
-#define BLUE_SPHERES // Blue spheres for future use.
-
 ///	Improved way of dealing with ping values and a ping limit.
 #define NEWPING
 

src/info.c

@@ -4569,7 +4569,6 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
-#ifdef BLUE_SPHERES
 	{           // MT_BLUEBALL
 		-1,             // doomednum
 		S_BLUEBALL,    // spawnstate
@@ -4596,7 +4595,6 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		MF_SLIDEME|MF_SPECIAL|MF_NOGRAVITY|MF_NOCLIPHEIGHT, // flags
 		S_NULL          // raisestate
 	},
-#endif
 
 	{           // MT_REDTEAMRING
 		308,            // doomednum

src/info.h

@@ -3049,9 +3049,7 @@ typedef enum mobj_type
 	// Collectible Items
 	MT_RING,
 	MT_FLINGRING, // Lost ring
-#ifdef BLUE_SPHERES
 	MT_BLUEBALL,  // Blue sphere replacement for special stages
-#endif
 	MT_REDTEAMRING,  //Rings collectable by red team.
 	MT_BLUETEAMRING, //Rings collectable by blue team.
 	MT_EMMY, // emerald token for special stage

src/p_inter.c

@@ -405,7 +405,6 @@ void P_TouchSpecialThing(mobj_t *special, mobj_t *toucher, boolean heightcheck)
 			if ((maptol & TOL_NIGHTS) && special->type != MT_FLINGCOIN)
 				P_DoNightsScore(player);
 			break;
-#ifdef BLUE_SPHERES
 		case MT_BLUEBALL:
 			if (!(P_CanPickupItem(player, false)))
 				return;
@@ -422,7 +421,6 @@ void P_TouchSpecialThing(mobj_t *special, mobj_t *toucher, boolean heightcheck)
 			if (maptol & TOL_NIGHTS)
 				P_DoNightsScore(player);
 			break;
-#endif
 		case MT_AUTOPICKUP:
 		case MT_BOUNCEPICKUP:
 		case MT_SCATTERPICKUP:
@@ -766,10 +764,7 @@ void P_TouchSpecialThing(mobj_t *special, mobj_t *toucher, boolean heightcheck)
 					}
 
 					if (!(mo2->type == MT_NIGHTSWING || mo2->type == MT_RING || mo2->type == MT_COIN
-#ifdef BLUE_SPHERES
+					   || mo2->type == MT_BLUEBALL))
-					      || mo2->type == MT_BLUEBALL
-#endif
-					     ))
 						continue;
 
 					// Yay! The thing's in reach! Pull it in!

src/p_mobj.c

@@ -2188,9 +2188,7 @@ static boolean P_ZMovement(mobj_t *mo)
 
 		case MT_RING: // Ignore still rings
 		case MT_COIN:
-#ifdef BLUE_SPHERES
 		case MT_BLUEBALL:
-#endif
 		case MT_REDTEAMRING:
 		case MT_BLUETEAMRING:
 		case MT_FLINGRING:
@@ -6479,14 +6477,12 @@ void P_MobjThinker(mobj_t *mobj)
 	else if (mobj->health <= 0) // Dead things think differently than the living.
 		switch (mobj->type)
 		{
-#ifdef BLUE_SPHERES
 		case MT_BLUEBALL:
 			if ((mobj->tics>>2)+1 > 0 && (mobj->tics>>2)+1 <= tr_trans60) // tr_trans50 through tr_trans90, shifting once every second frame
 				mobj->frame = (NUMTRANSMAPS-((mobj->tics>>2)+1))<<FF_TRANSSHIFT;
 			else // tr_trans60 otherwise
 				mobj->frame = tr_trans60<<FF_TRANSSHIFT;
 			break;
-#endif
 		case MT_EGGCAPSULE:
 			if (mobj->z <= mobj->floorz)
 			{
@@ -6944,9 +6940,7 @@ void P_MobjThinker(mobj_t *mobj)
 			break;
 		case MT_RING:
 		case MT_COIN:
-#ifdef BLUE_SPHERES
 		case MT_BLUEBALL:
-#endif
 		case MT_REDTEAMRING:
 		case MT_BLUETEAMRING:
 			// No need to check water. Who cares?
@@ -7712,9 +7706,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 			break;
 		case MT_RING:
 		case MT_COIN:
-#ifdef BLUE_SPHERES
 		case MT_BLUEBALL:
-#endif
 			nummaprings++;
 		default:
 			break;
@@ -7840,9 +7832,7 @@ void P_RemoveMobj(mobj_t *mobj)
 	if (mobj->spawnpoint &&
 		(mobj->type == MT_RING
 		|| mobj->type == MT_COIN
-#ifdef BLUE_SPHERES
 		|| mobj->type == MT_BLUEBALL
-#endif
 		|| mobj->type == MT_REDTEAMRING
 		|| mobj->type == MT_BLUETEAMRING
 		|| P_WeaponOrPanel(mobj->type))
@@ -9628,11 +9618,9 @@ void P_SpawnHoopsAndRings(mapthing_t *mthing)
 				ringthing = (gametype == GT_CTF) ? MT_BLUETEAMRING : MT_RING;
 				break;
 			default:
-#ifdef BLUE_SPHERES
 				// Spawn rings as blue spheres in special stages, ala S3+K.
 				if (G_IsSpecialStage(gamemap) && useNightsSS)
 					ringthing = MT_BLUEBALL;
-#endif
 				break;
 		}
 
@@ -9697,11 +9685,9 @@ void P_SpawnHoopsAndRings(mapthing_t *mthing)
 		if (ultimatemode && !(G_IsSpecialStage(gamemap) || maptol & TOL_NIGHTS))
 			return;
 
-#ifdef BLUE_SPHERES
 		// Spawn rings as blue spheres in special stages, ala S3+K.
 		if (G_IsSpecialStage(gamemap) && useNightsSS)
 			ringthing = MT_BLUEBALL;
-#endif
 
 		for (r = 1; r <= 5; r++)
 		{
@@ -9752,11 +9738,9 @@ void P_SpawnHoopsAndRings(mapthing_t *mthing)
 		if (ultimatemode && !(G_IsSpecialStage(gamemap) || maptol & TOL_NIGHTS))
 			return;
 
-#ifdef BLUE_SPHERES
 		// Spawn rings as blue spheres in special stages, ala S3+K.
 		if (G_IsSpecialStage(gamemap) && useNightsSS)
 			ringthing = MT_BLUEBALL;
-#endif
 
 		angle >>= ANGLETOFINESHIFT;
 
@@ -9849,11 +9833,9 @@ void P_SpawnHoopsAndRings(mapthing_t *mthing)
 				if (ultimatemode && !(G_IsSpecialStage(gamemap) || (maptol & TOL_NIGHTS)))
 					continue;
 
-#ifdef BLUE_SPHERES
 				// Spawn rings as blue spheres in special stages, ala S3+K.
 				if (G_IsSpecialStage(gamemap) && useNightsSS)
 					itemToSpawn = MT_BLUEBALL;
-#endif
 			}
 
 			fa = i*FINEANGLES/numitems;

src/p_user.c

@@ -8857,10 +8857,7 @@ void P_PlayerThink(player_t *player)
 			mo2 = (mobj_t *)th;
 
 			if (!(mo2->type == MT_NIGHTSWING || mo2->type == MT_RING || mo2->type == MT_COIN
-#ifdef BLUE_SPHERES
+			   || mo2->type == MT_BLUEBALL))
-			      || mo2->type == MT_BLUEBALL
-#endif
-			     ))
 				continue;
 
 			if (P_AproxDistance(P_AproxDistance(mo2->x - x, mo2->y - y), mo2->z - z) > FixedMul(128*FRACUNIT, player->mo->scale))