Fix errors with the hardcoded Nightopians from Dream Hill.

src/info.c

@@ -3743,7 +3743,7 @@ state_t states[NUMSTATES] =
 	{SPR_NTPN, 3, 4, {NULL}, 0, 0, S_PIAN5}, // S_PIAN4
 	{SPR_NTPN, 2, 4, {NULL}, 0, 0, S_PIAN6}, // S_PIAN5
 	{SPR_NTPN, 1, 4, {NULL}, 0, 0, S_PIAN1}, // S_PIAN6
-	{SPR_NTPN, 5|FF_ANIMATE, 4, {NULL}, 1, 4, S_PIAN1}, // S_PIANSING
+	{SPR_NTPN, 4|FF_ANIMATE, 24, {NULL}, 1, 4, S_PIAN1}, // S_PIANSING
 	// Shleep
 	{SPR_SHLP, 0, 15, {NULL}, 0, 0, S_SHLEEP2}, // S_SHLEEP1
@@ -20128,8 +20128,8 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL,         // painstate
 		200,            // painchance
 		sfx_None,       // painsound
-		S_PIANSING,     // meleestate
-		S_NULL,         // missilestate
+		S_NULL,         // meleestate
+		S_PIANSING,     // missilestate
 		S_NULL,         // deathstate
 		S_NULL,         // xdeathstate
 		sfx_None,       // deathsound
@@ -20140,7 +20140,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		16,             // mass
 		0,              // damage
 		sfx_None,       // activesound
-		MF_SLIDEME|MF_ENEMY|MF_SPECIAL|MF_SHOOTABLE|MF_NOGRAVITY, // flags
+		MF_SLIDEME|MF_SPECIAL|MF_NOGRAVITY, // flags
 		S_NULL          // raisestate
 	},