Added RTF_THRUSTZ for A_RadiusThrust.

- Allows thrusting with Z velocity.

src/p_local.h

@@ -343,6 +343,7 @@ enum
 	RADF_NOIMPACTDAMAGE = 2,
 	RADF_SOURCEISSPOT = 4,
 	RADF_NODAMAGE = 8,
+	RADF_THRUSTZ = 16,
 };
 void	P_RadiusAttack (AActor *spot, AActor *source, int damage, int distance, 
 						FName damageType, int flags, int fulldamagedistance=0);

src/p_map.cpp

@@ -5321,7 +5321,7 @@ void P_RadiusAttack(AActor *bombspot, AActor *bombsource, int bombdamage, int bo
 									vz *= 0.8;
 								}
 								thing->Thrust(bombspot->AngleTo(thing), thrust);
-								if (!(flags & RADF_NODAMAGE))
+								if (!(flags & RADF_NODAMAGE) || (flags & RADF_THRUSTZ))
 									thing->Vel.Z += vz;	// this really doesn't work well
 							}
 						}

src/thingdef/thingdef_codeptr.cpp

@@ -1146,6 +1146,7 @@ enum
 	RTF_AFFECTSOURCE =			1,
 	RTF_NOIMPACTDAMAGE =		2,
 	RTF_NOTMISSILE =			4,
+	RTF_THRUSTZ =				8,
 };
 
 DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusThrust)
@@ -1167,6 +1168,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusThrust)
 		sourcenothrust = true;
 		self->target->flags2 &= ~MF2_NODMGTHRUST;
 	}
+	if (flags & RTF_THRUSTZ)	flags |= RADF_THRUSTZ;
 
 	P_RadiusAttack (self, self->target, force, distance, self->DamageType, flags | RADF_NODAMAGE, fullthrustdistance);
 	P_CheckSplash(self, distance);

wadsrc/static/actors/constants.txt

@@ -178,6 +178,7 @@ const int XF_NOTMISSILE = 4;
 const int RTF_AFFECTSOURCE = 1;
 const int RTF_NOIMPACTDAMAGE = 2;
 const int RTF_NOTMISSILE = 4;
+const int RTF_THRUSTZ = 8;
 
 // Flags for A_Blast
 const int BF_USEAMMO = 1;