Reduce sound message sizes a bit further

lua/acf/core/utilities/sounds/sounds_cl.lua

@@ -39,7 +39,7 @@ do -- Playing regular sounds
 		local Path = net.ReadString()
 		local Level = net.ReadUInt(7)
 		local Pitch = net.ReadUInt(8)
-		local Volume = net.ReadFloat()
+		local Volume = net.ReadUInt(7) / 100
 
 		if not Sounds.IsValidSound(Path) then return end
 
@@ -97,7 +97,7 @@ do -- Processing adjustable sounds (for example, engine noises)
 			Sounds.DestroyAdjustableSound(Origin)
 		else
 			local Pitch = net.ReadUInt(8)
-			local Volume = net.ReadFloat()
+			local Volume = net.ReadUInt(7) / 100
 
 			Sounds.UpdateAdjustableSound(Origin, Pitch, Volume)
 		end

lua/acf/core/utilities/sounds/sounds_sv.lua

@@ -26,7 +26,7 @@ function Sounds.SendSound(Origin, Path, Level, Pitch, Volume)
 		net.WriteString(Path)
 		net.WriteUInt(Level, 7)
 		net.WriteUInt(Pitch, 8)
-		net.WriteFloat(Volume)
+		net.WriteUInt(Volume * 100, 7)
 	net.SendPAS(Pos)
 end
 
@@ -55,7 +55,9 @@ function Sounds.SendAdjustableSound(Origin, ShouldStop, Pitch, Volume)
 			net.WriteBool(ShouldStop)
 		if not ShouldStop then
 			net.WriteUInt(Pitch, 8)
-			net.WriteFloat(Volume)
+
+			Volume = Volume * 100 -- Sending the approximate volume as an int to reduce message size
+			net.WriteUInt(Volume, 7)
 		end
 		net.SendPAS(Origin:GetPos())
 		Origin.ACF.SoundTimer = Time + 0.1

lua/entities/acf_engine/init.lua

@@ -365,17 +365,18 @@ do -- Spawn and Update functions
 		Player:AddCleanup("acf_engine", Entity)
 		Player:AddCount(Limit, Entity)
 
-		Entity.Owner     = Player -- MUST be stored on ent for PP
-		Entity.Active    = false
-		Entity.Gearboxes = {}
-		Entity.FuelTanks = {}
-		Entity.LastThink = 0
-		Entity.MassRatio = 1
-		Entity.FuelUsage = 0
-		Entity.Throttle  = 0
-		Entity.FlyRPM    = 0
-		Entity.SoundPath = Engine.Sound
-		Entity.DataStore = Entities.GetArguments("acf_engine")
+		Entity.Owner      = Player -- MUST be stored on ent for PP
+		Entity.Active     = false
+		Entity.Gearboxes  = {}
+		Entity.FuelTanks  = {}
+		Entity.LastThink  = 0
+		Entity.MassRatio  = 1
+		Entity.FuelUsage  = 0
+		Entity.Throttle   = 0
+		Entity.FlyRPM     = 0
+		Entity.SoundPath  = Engine.Sound
+		Entity.LastPitch  = 0
+		Entity.DataStore  = Entities.GetArguments("acf_engine")
 		Entity.revLimiterEnabled = true
 
 		UpdateEngine(Entity, Data, Class, Engine, Type)
@@ -599,10 +600,9 @@ function ENT:UpdateSound()
 
 	local Pitch, Volume = GetPitchVolume(self)
 
-	if Pitch == self.LastPitch or Volume == self.LastVolume then return end
+	if math.abs(Pitch - self.LastPitch) < 1 then return end -- Don't bother updating if the pitch difference is too small to notice
 
 	self.LastPitch = Pitch
-	self.LastVolume = Volume
 
 	if self.Sound then
 		Sounds.SendAdjustableSound(self, false, Pitch, Volume)
@@ -616,8 +616,7 @@ function ENT:DestroySound()
 	Sounds.SendAdjustableSound(self, true)
 
 	self.LastSound  = nil
-	self.LastPitch  = nil
-	self.LastVolume = nil
+	self.LastPitch  = 0
 	self.Sound      = nil
 end