Projectile physics hotfix from Demolitionist.

zscript/biorifle.zsc

@@ -54,6 +54,7 @@ Class BioSpark : Actor
 		+DONTSPLASH;
 		-BOUNCEAUTOOFF;
 		+BOUNCEAUTOOFFFLOORONLY;
+		+NOFRICTION;
 		BounceType "Doom";
 		BounceFactor 0.5;
 		WallBounceFactor 0.5;
@@ -195,6 +196,16 @@ Class BioGel : Actor
 		if ( (victim is 'BioHitbox') && ((victim.target == master) || (victim.target.master == master)) ) return 1;
 		return -1;
 	}
+	override void FallAndSink( double grav, double oldfloorz )
+	{
+		if ( bNOGRAVITY || (waterlevel < 1) )
+		{
+			Super.FallAndSink(grav,oldfloorz);
+			return;
+		}
+		vel *= .99;
+		if ( pos.z > floorz ) vel.z += grav*.01;	// floats in water
+	}
 	override void Tick()
 	{
 		Super.Tick();
@@ -206,7 +217,6 @@ Class BioGel : Actor
 			pitch += yawvel;
 			if ( waterlevel > 0 )
 			{
-				vel.xy *= 0.98;
 				rollvel *= 0.98;
 				pitchvel *= 0.98;
 				yawvel *= 0.98;
@@ -580,6 +590,7 @@ Class BioGel : Actor
 		+NODAMAGETHRUST;
 		+HITTRACER;
 		+INTERPOLATEANGLES;
+		+NOFRICTION;
 	}
 	States
 	{