Reduce scope of variables

src/main/java/appeng/core/AEConfig.java

@@ -115,14 +115,14 @@ public final class AEConfig extends Configuration implements IConfigurableObject
 
 		FMLCommonHandler.instance().bus().register( this );
 
-		final double DEFAULT_IC2_EXCHANGE = 2.0;
-		final double DEFAULT_RTC_EXCHANGE = 1.0 / 11256.0;
-		final double DEFAULT_RF_EXCHANGE = 0.5;
 		final double DEFAULT_MEKANISM_EXCHANGE = 0.2;
 
 		PowerUnits.MK.conversionRatio = this.get( "PowerRatios", "Mekanism", DEFAULT_MEKANISM_EXCHANGE ).getDouble( DEFAULT_MEKANISM_EXCHANGE );
+		final double DEFAULT_IC2_EXCHANGE = 2.0;
 		PowerUnits.EU.conversionRatio = this.get( "PowerRatios", "IC2", DEFAULT_IC2_EXCHANGE ).getDouble( DEFAULT_IC2_EXCHANGE );
+		final double DEFAULT_RTC_EXCHANGE = 1.0 / 11256.0;
 		PowerUnits.WA.conversionRatio = this.get( "PowerRatios", "RotaryCraft", DEFAULT_RTC_EXCHANGE ).getDouble( DEFAULT_RTC_EXCHANGE );
+		final double DEFAULT_RF_EXCHANGE = 0.5;
 		PowerUnits.RF.conversionRatio = this.get( "PowerRatios", "ThermalExpansion", DEFAULT_RF_EXCHANGE ).getDouble( DEFAULT_RF_EXCHANGE );
 
 		double usageEffective = this.get( "PowerRatios", "UsageMultiplier", 1.0 ).getDouble( 1.0 );

src/main/java/appeng/core/api/ApiPart.java

@@ -238,12 +238,11 @@ public class ApiPart implements IPartHelper
 
 	public ClassNode getReader( String name )
 	{
-		ClassReader cr;
 		String path = '/' + name.replace( ".", "/" ) + ".class";
 		InputStream is = this.getClass().getResourceAsStream( path );
 		try
 		{
-			cr = new ClassReader( is );
+			ClassReader cr = new ClassReader( is );
 
 			ClassNode cn = new ClassNode();
 			cr.accept( cn, ClassReader.EXPAND_FRAMES );

src/main/java/appeng/core/features/registries/GridCacheRegistry.java

@@ -54,10 +54,9 @@ public final class GridCacheRegistry implements IGridCacheRegistry
 
 		for( Class<? extends IGridCache> iface : this.caches.keySet() )
 		{
-			Constructor<? extends IGridCache> c;
 			try
 			{
-				c = this.caches.get( iface ).getConstructor( IGrid.class );
+				Constructor<? extends IGridCache> c = this.caches.get( iface ).getConstructor( IGrid.class );
 				map.put( iface, c.newInstance( g ) );
 			}
 			catch( NoSuchMethodException e )

src/main/java/appeng/core/sync/GuiBridge.java

@@ -544,7 +544,6 @@ public enum GuiBridge implements IGuiHandler
 	{
 		if( te instanceof IActionHost && this.requiredPermission != null )
 		{
-			boolean requirePower = false;
 
 			IGridNode gn = ( (IActionHost) te ).getActionableNode();
 			if( gn != null )
@@ -552,6 +551,7 @@ public enum GuiBridge implements IGuiHandler
 				IGrid g = gn.getGrid();
 				if( g != null )
 				{
+					boolean requirePower = false;
 					if( requirePower )
 					{
 						IEnergyGrid eg = g.getCache( IEnergyGrid.class );

src/main/java/appeng/core/sync/network/AppEngClientPacketHandler.java

@@ -40,13 +40,12 @@ public class AppEngClientPacketHandler extends AppEngPacketHandlerBase implement
 	public void onPacketData( INetworkInfo network, FMLProxyPacket packet, EntityPlayer player )
 	{
 		ByteBuf stream = packet.payload();
-		int packetType = -1;
 
 		player = Minecraft.getMinecraft().thePlayer;
 
 		try
 		{
-			packetType = stream.readInt();
+			int packetType = stream.readInt();
 			AppEngPacket pack = PacketTypes.getPacket( packetType ).parsePacket( stream );
 			pack.clientPacketData( network, pack, player );
 		}

src/main/java/appeng/core/sync/network/AppEngServerPacketHandler.java

@@ -39,11 +39,10 @@ public final class AppEngServerPacketHandler extends AppEngPacketHandlerBase imp
 	public void onPacketData( INetworkInfo manager, FMLProxyPacket packet, EntityPlayer player )
 	{
 		ByteBuf stream = packet.payload();
-		int packetType = -1;
 
 		try
 		{
-			packetType = stream.readInt();
+			int packetType = stream.readInt();
 			AppEngPacket pack = PacketTypes.getPacket( packetType ).parsePacket( stream );
 			pack.serverPacketData( manager, pack, player );
 		}

src/main/java/appeng/core/sync/packets/PacketCraftRequest.java

@@ -92,10 +92,9 @@ public class PacketCraftRequest extends AppEngPacket
 					return;
 				}
 
-				Future<ICraftingJob> futureJob = null;
-
 				cca.whatToMake.setStackSize( this.amount );
 
+				Future<ICraftingJob> futureJob = null;
 				try
 				{
 					ICraftingGrid cg = g.getCache( ICraftingGrid.class );