Fixed all file system speeds being off by one, causing raid to be broken.

Fixed potential NPE while loading, leading to raids losing their contents e.g.

src/main/scala/li/cil/oc/integration/opencomputers/DriverAPU.scala

@@ -18,7 +18,7 @@ object DriverAPU extends DriverCPU with HostAware {
     api.Items.get(Constants.ItemName.APUCreative))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else gpuTier(stack) match {
       case Tier.One => new component.GraphicsCard(Tier.One)
       case Tier.Two => new component.GraphicsCard(Tier.Two)

src/main/scala/li/cil/oc/integration/opencomputers/DriverDataCard.scala

@@ -18,7 +18,7 @@ object DriverDataCard extends Item {
     api.Items.get(Constants.ItemName.DataCardTier3))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else tier(stack) match {
       case Tier.One => new component.DataCard.Tier1()
       case Tier.Two => new component.DataCard.Tier2()

src/main/scala/li/cil/oc/integration/opencomputers/DriverDebugCard.scala

@@ -13,7 +13,7 @@ object DriverDebugCard extends Item {
     api.Items.get(Constants.ItemName.DebugCard))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.DebugCard(host)
 
   override def slot(stack: ItemStack) = Slot.Card

src/main/scala/li/cil/oc/integration/opencomputers/DriverEEPROM.scala

@@ -14,7 +14,7 @@ object DriverEEPROM extends Item {
     api.Items.get(Constants.ItemName.EEPROM))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.EEPROM()
 
   override def slot(stack: ItemStack) = Slot.EEPROM

src/main/scala/li/cil/oc/integration/opencomputers/DriverFileSystem.scala

@@ -24,7 +24,7 @@ object DriverFileSystem extends Item {
     api.Items.get(Constants.ItemName.Floppy))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else Delegator.subItem(stack) match {
       case Some(hdd: HardDiskDrive) => createEnvironment(stack, hdd.kiloBytes * 1024, hdd.platterCount, host, hdd.tier + 2)
       case Some(disk: FloppyDisk) => createEnvironment(stack, Settings.get.floppySize * 1024, 1, host, 1)

src/main/scala/li/cil/oc/integration/opencomputers/DriverGeolyzer.scala

@@ -14,7 +14,7 @@ object DriverGeolyzer extends Item with HostAware {
     api.Items.get(Constants.BlockName.Geolyzer))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.Geolyzer(host)
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverGraphicsCard.scala

@@ -19,7 +19,7 @@ object DriverGraphicsCard extends Item with HostAware {
     api.Items.get(Constants.ItemName.GraphicsCardTier3))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else tier(stack) match {
       case Tier.One => new component.GraphicsCard(Tier.One)
       case Tier.Two => new component.GraphicsCard(Tier.Two)

src/main/scala/li/cil/oc/integration/opencomputers/DriverInternetCard.scala

@@ -14,7 +14,7 @@ object DriverInternetCard extends Item {
     api.Items.get(Constants.ItemName.InternetCard))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.InternetCard()
 
   override def slot(stack: ItemStack) = Slot.Card

src/main/scala/li/cil/oc/integration/opencomputers/DriverLinkedCard.scala

@@ -14,7 +14,7 @@ object DriverLinkedCard extends Item {
     api.Items.get(Constants.ItemName.LinkedCard))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.LinkedCard()
 
   override def slot(stack: ItemStack) = Slot.Card

src/main/scala/li/cil/oc/integration/opencomputers/DriverNetworkCard.scala

@@ -14,7 +14,7 @@ object DriverNetworkCard extends Item with HostAware {
     api.Items.get(Constants.ItemName.NetworkCard))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.NetworkCard(host)
 
   override def slot(stack: ItemStack) = Slot.Card

src/main/scala/li/cil/oc/integration/opencomputers/DriverRedstoneCard.scala

@@ -22,7 +22,7 @@ object DriverRedstoneCard extends Item with HostAware {
     api.Items.get(Constants.ItemName.RedstoneCardTier2))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else {
       val isAdvanced = tier(stack) == Tier.Two
       val hasBundled = BundledRedstone.isAvailable && isAdvanced

src/main/scala/li/cil/oc/integration/opencomputers/DriverTablet.scala

@@ -18,7 +18,7 @@ object DriverTablet extends Item {
     api.Items.get(Constants.ItemName.Tablet))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else {
       Tablet.Server.cache.invalidate(Tablet.getId(stack))
       val data = new TabletData(stack)

src/main/scala/li/cil/oc/integration/opencomputers/DriverTransposer.scala

@@ -14,7 +14,7 @@ object DriverTransposer extends Item with HostAware {
     api.Items.get(Constants.BlockName.Transposer))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.Transposer.Upgrade(host)
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeAngel.scala

@@ -14,7 +14,7 @@ object DriverUpgradeAngel extends Item with HostAware {
     api.Items.get(Constants.ItemName.AngelUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.UpgradeAngel()
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeBattery.scala

@@ -18,7 +18,7 @@ object DriverUpgradeBattery extends Item with HostAware {
     api.Items.get(Constants.ItemName.BatteryUpgradeTier3))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.UpgradeBattery(tier(stack))
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeChunkloader.scala

@@ -15,7 +15,7 @@ object DriverUpgradeChunkloader extends Item with HostAware {
     api.Items.get(Constants.ItemName.ChunkloaderUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.UpgradeChunkloader(host)
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeCrafting.scala

@@ -16,7 +16,7 @@ object DriverUpgradeCrafting extends Item with HostAware {
     api.Items.get(Constants.ItemName.CraftingUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case robot: EnvironmentHost with Robot => new component.UpgradeCrafting(robot)
       case _ => null

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeDatabase.scala

@@ -19,7 +19,7 @@ object DriverUpgradeDatabase extends Item with api.driver.item.HostAware {
     api.Items.get(Constants.ItemName.DatabaseUpgradeTier3))
 
   override def createEnvironment(stack: ItemStack, host: api.network.EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.UpgradeDatabase(new DatabaseInventory {
       override def container = stack
 

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeGenerator.scala

@@ -16,7 +16,7 @@ object DriverUpgradeGenerator extends Item with HostAware {
     api.Items.get(Constants.ItemName.GeneratorUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case host: internal.Agent => new component.UpgradeGenerator(host)
       case _ => null

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeInventoryController.scala

@@ -18,7 +18,7 @@ object DriverUpgradeInventoryController extends Item with HostAware {
     api.Items.get(Constants.ItemName.InventoryControllerUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case host: EnvironmentHost with Adapter => new component.UpgradeInventoryController.Adapter(host)
       case host: EnvironmentHost with Drone => new component.UpgradeInventoryController.Drone(host)

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeLeash.scala

@@ -16,7 +16,7 @@ object DriverUpgradeLeash extends Item with HostAware {
     api.Items.get(Constants.ItemName.LeashUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case entity: Entity => new component.UpgradeLeash(entity)
       case _ => null

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeNavigation.scala

@@ -16,7 +16,7 @@ object DriverUpgradeNavigation extends Item with HostAware {
     api.Items.get(Constants.ItemName.NavigationUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case rotatable: EnvironmentHost with Rotatable => new component.UpgradeNavigation(rotatable)
       case _ => null

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradePiston.scala

@@ -15,7 +15,7 @@ object DriverUpgradePiston extends Item with HostAware {
     api.Items.get(Constants.ItemName.PistonUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case host: internal.Drone => new component.UpgradePiston.Drone(host)
       case host: internal.Tablet => new component.UpgradePiston.Tablet(host)

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeSign.scala

@@ -18,7 +18,7 @@ object DriverUpgradeSign extends Item with HostAware {
     api.Items.get(Constants.ItemName.SignUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case rotatable: EnvironmentHost with Rotatable => new UpgradeSignInRotatable(rotatable)
       case adapter: EnvironmentHost with Adapter => new UpgradeSignInAdapter(adapter)

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeSolarGenerator.scala

@@ -14,7 +14,7 @@ object DriverUpgradeSolarGenerator extends Item with HostAware {
     api.Items.get(Constants.ItemName.SolarGeneratorUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.UpgradeSolarGenerator(host)
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeTank.scala

@@ -13,7 +13,7 @@ object DriverUpgradeTank extends Item with HostAware {
     api.Items.get(Constants.ItemName.TankUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.UpgradeTank(host, 16000)
 
   override def slot(stack: ItemStack) = Slot.Upgrade

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeTankController.scala

@@ -18,7 +18,7 @@ object DriverUpgradeTankController extends Item with HostAware {
     api.Items.get(Constants.ItemName.TankControllerUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case host: EnvironmentHost with Adapter => new component.UpgradeTankController.Adapter(host)
       case host: EnvironmentHost with Drone => new component.UpgradeTankController.Drone(host)

src/main/scala/li/cil/oc/integration/opencomputers/DriverUpgradeTractorBeam.scala

@@ -19,7 +19,7 @@ object DriverUpgradeTractorBeam extends Item with HostAware {
     api.Items.get(Constants.ItemName.TractorBeamUpgrade))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else host match {
       case drone: Drone => new UpgradeTractorBeam.Drone(drone)
       case robot: Robot => new component.UpgradeTractorBeam.Player(host, robot.player)

src/main/scala/li/cil/oc/integration/opencomputers/DriverWirelessNetworkCard.scala

@@ -14,7 +14,7 @@ object DriverWirelessNetworkCard extends Item {
     api.Items.get(Constants.ItemName.WirelessNetworkCard))
 
   override def createEnvironment(stack: ItemStack, host: EnvironmentHost) =
-    if (host.world.isRemote) null
+    if (host.world != null && host.world.isRemote) null
     else new component.WirelessNetworkCard(host)
 
   override def slot(stack: ItemStack) = Slot.Card

src/main/scala/li/cil/oc/server/fs/FileSystem.scala

@@ -114,7 +114,7 @@ object FileSystem extends api.detail.FileSystemAPI {
     else new ReadOnlyWrapper(fileSystem)
 
   def asManagedEnvironment(fileSystem: api.fs.FileSystem, label: Label, host: EnvironmentHost, accessSound: String, speed: Int) =
-    Option(fileSystem).flatMap(fs => Some(new component.FileSystem(fs, label, Option(host), Option(accessSound), speed))).orNull
+    Option(fileSystem).flatMap(fs => Some(new component.FileSystem(fs, label, Option(host), Option(accessSound), (speed - 1) max 0 min 5))).orNull
 
   def asManagedEnvironment(fileSystem: api.fs.FileSystem, label: String, host: EnvironmentHost, accessSound: String, speed: Int) =
     asManagedEnvironment(fileSystem, new ReadOnlyLabel(label), host, accessSound, speed)