- looks like the oldz parameter in UpdateWaterLevel is not needed at all...

src/actor.h

@@ -1337,11 +1337,7 @@ public:
 	bool InStateSequence(FState * newstate, FState * basestate);
 	int GetTics(FState * newstate);
 	bool SetState (FState *newstate, bool nofunction=false);
-	virtual bool UpdateWaterLevel (fixed_t oldz, bool splash=true);
+	virtual bool UpdateWaterLevel (bool splash=true);
-	bool UpdateWaterLevel(double oldz, bool splash = true)
-	{
-		return UpdateWaterLevel(FLOAT2FIXED(oldz), splash);
-	}
 	bool isFast();
 	bool isSlow();
 	void SetIdle(bool nofunction=false);

src/d_dehacked.cpp

@@ -353,6 +353,11 @@ static bool ReadChars (char **stuff, int size);
 static char *igets (void);
 static int GetLine (void);
 
+inline double DEHToDouble(int acsval)
+{
+	return acsval / 65536.;
+}
+
 static void PushTouchedActor(PClassActor *cls)
 {
 	for(unsigned i = 0; i < TouchedActors.Size(); i++)
@@ -647,7 +652,7 @@ static int CreateMushroomFunc(VMFunctionBuilder &buildit, int value1, int value2
 	}
 	else
 	{
-		buildit.Emit(OP_PARAM, 0, REGT_FLOAT | REGT_KONST, buildit.GetConstantFloat(FIXED2DBL(value1)));
+		buildit.Emit(OP_PARAM, 0, REGT_FLOAT | REGT_KONST, buildit.GetConstantFloat(DEHToDouble(value1)));
 	}
 	// hrange
 	if (value2 == 0)
@@ -656,7 +661,7 @@ static int CreateMushroomFunc(VMFunctionBuilder &buildit, int value1, int value2
 	}
 	else
 	{
-		buildit.Emit(OP_PARAM, 0, REGT_FLOAT | REGT_KONST, buildit.GetConstantFloat(FIXED2DBL(value2)));
+		buildit.Emit(OP_PARAM, 0, REGT_FLOAT | REGT_KONST, buildit.GetConstantFloat(DEHToDouble(value2)));
 	}
 	return 5;
 }
@@ -896,14 +901,14 @@ static int PatchThing (int thingy)
 		}
 		else if (linelen == 12 && stricmp (Line1, "Translucency") == 0)
 		{
-			info->Alpha = FIXED2DBL(val);
+			info->Alpha = DEHToDouble(val);
 			info->RenderStyle = STYLE_Translucent;
 			hadTranslucency = true;
 			hadStyle = true;
 		}
 		else if (linelen == 6 && stricmp (Line1, "Height") == 0)
 		{
-			info->Height = FIXED2DBL(val);
+			info->Height = DEHToDouble(val);
 			info->projectilepassheight = 0;	// needs to be disabled
 			hadHeight = true;
 		}
@@ -919,7 +924,7 @@ static int PatchThing (int thingy)
 			}
 			else if (stricmp (Line1, "Width") == 0)
 			{
-				info->radius = FIXED2FLOAT(val);
+				info->radius = DEHToDouble(val);
 			}
 			else if (stricmp (Line1, "Alpha") == 0)
 			{

src/d_net.cpp

@@ -2369,7 +2369,7 @@ void Net_DoCommand (int type, BYTE **stream, int player)
 			DAngle ang = players[player].mo->Angles.Yaw;
 			DAngle pitch = players[player].mo->Angles.Pitch;
 			double c = pitch.Cos();
-			DVector3 vec(c * ang.Cos(), c * ang.Sin(), -pitch.Sin);
+			DVector3 vec(c * ang.Cos(), c * ang.Sin(), -pitch.Sin());
 
 			s = ReadString (stream);
 

src/d_player.h

@@ -167,7 +167,7 @@ public:
 	// [CW] Fades for when you are being damaged.
 	PalEntry DamageFade;
 
-	bool UpdateWaterLevel (fixed_t oldz, bool splash);
+	bool UpdateWaterLevel (bool splash);
 	bool ResetAirSupply (bool playgasp = true);
 
 	int GetMaxHealth() const;

src/d_protocol.h

@@ -50,9 +50,6 @@
 #define NETD_ID		BIGE_ID('N','E','T','D')
 #define WEAP_ID		BIGE_ID('W','E','A','P')
 
-#define	ANGLE2SHORT(x)	((((x)/360) & 65535)
-#define	SHORT2ANGLE(x)	((x)*360)
-
 
 struct zdemoheader_s {
 	BYTE	demovermajor;

src/g_shared/a_fastprojectile.cpp

@@ -93,7 +93,7 @@ void AFastProjectile::Tick ()
 				}
 			}
 			AddZ(frac.Z);
-			UpdateWaterLevel (oldz);
+			UpdateWaterLevel ();
 			oldz = Z();
 			if (oldz <= floorz)
 			{ // Hit the floor

src/p_map.cpp

@@ -6098,7 +6098,7 @@ bool P_ChangeSector(sector_t *sector, int crunch, int amt, int floorOrCeil, bool
 					{
 						n->visited = true; 							// mark thing as processed
 
-						n->m_thing->UpdateWaterLevel(n->m_thing->_f_Z(), false);
+						n->m_thing->UpdateWaterLevel(false);
 						P_CheckFakeFloorTriggers(n->m_thing, n->m_thing->_f_Z() - amt);
 					}
 				}

src/p_mobj.cpp

@@ -472,7 +472,7 @@ void AActor::Serialize(FArchive &arc)
 			}
 		}
 		ClearInterpolation();
-		UpdateWaterLevel(_f_Z(), false);
+		UpdateWaterLevel(false);
 	}
 }
 
@@ -3462,7 +3462,7 @@ void AActor::Tick ()
 			}
 		}
 
-		fixed_t oldz = _f_Z();
+		double oldz = Z();
 
 		// [RH] Give the pain elemental vertical friction
 		// This used to be in APainElemental::Tick but in order to use
@@ -3736,7 +3736,7 @@ void AActor::Tick ()
 						const sector_t *sec = node->m_sector;
 						if (sec->floorplane.c >= STEEPSLOPE)
 						{
-							if (floorplane.ZatPointF (_f_PosRelative(node->m_sector)) >= Z() - MaxStepHeight)
+							if (floorplane.ZatPoint(PosRelative(node->m_sector)) >= Z() - MaxStepHeight)
 							{
 								dopush = false;
 								break;
@@ -3858,7 +3858,7 @@ void AActor::Tick ()
 
 		CheckPortalTransition(true);
 
-		UpdateWaterLevel (oldz);
+		UpdateWaterLevel ();
 
 		// [RH] Don't advance if predicting a player
 		if (player && (player->cheats & CF_PREDICTING))
@@ -4011,7 +4011,7 @@ void AActor::CheckSectorTransition(sector_t *oldsec)
 //
 //==========================================================================
 
-bool AActor::UpdateWaterLevel (fixed_t oldz, bool dosplash)
+bool AActor::UpdateWaterLevel (bool dosplash)
 {
 	BYTE lastwaterlevel = waterlevel;
 	double fh = -FLT_MAX;
@@ -4068,10 +4068,8 @@ bool AActor::UpdateWaterLevel (fixed_t oldz, bool dosplash)
 		else
 		{
 			// Check 3D floors as well!
-			for(unsigned int i=0;i<Sector->e->XFloor.ffloors.Size();i++)
+			for(auto rover : Sector->e->XFloor.ffloors)
 			{
-				F3DFloor*  rover=Sector->e->XFloor.ffloors[i];
-
 				if (!(rover->flags & FF_EXISTS)) continue;
 				if(!(rover->flags & FF_SWIMMABLE) || rover->flags & FF_SOLID) continue;
 
@@ -4269,7 +4267,7 @@ AActor *AActor::StaticSpawn (PClassActor *type, const DVector3 &pos, replace_t a
 	{
 		actor->Floorclip = 0;
 	}
-	actor->UpdateWaterLevel (actor->Z(), false);
+	actor->UpdateWaterLevel (false);
 	if (!SpawningMapThing)
 	{
 		actor->BeginPlay ();

src/p_user.cpp

@@ -1225,10 +1225,10 @@ int APlayerPawn::GetMaxHealth() const
 //
 //===========================================================================
 
-bool APlayerPawn::UpdateWaterLevel (fixed_t oldz, bool splash)
+bool APlayerPawn::UpdateWaterLevel (bool splash)
 {
 	int oldlevel = waterlevel;
-	bool retval = Super::UpdateWaterLevel (oldz, splash);
+	bool retval = Super::UpdateWaterLevel (splash);
 	if (player != NULL)
 	{
 		if (oldlevel < 3 && waterlevel == 3)