diff --git a/common/buildcraft/core/BCRegistry.java b/common/buildcraft/core/BCRegistry.java
index 7c93c09d..29b69d6c 100644
--- a/common/buildcraft/core/BCRegistry.java
+++ b/common/buildcraft/core/BCRegistry.java
@@ -50,41 +50,53 @@ public final class BCRegistry {
 		return false;
 	}
 
+	private boolean isInvalidRecipeElement(Object o) {
+		if (o == null) {
+			return true;
+		}
+		if (o instanceof Block && !Utils.isRegistered((Block) o)) {
+			return true;
+		}
+		if (o instanceof Item && !Utils.isRegistered((Item) o)) {
+			return true;
+		}
+		if (o instanceof ItemStack && !Utils.isRegistered((ItemStack) o)) {
+			return true;
+		}
+
+		return false;
+	}
+
 	@SuppressWarnings({"rawtypes", "unchecked"})
 	public void registerTileEntity(Class clas, String ident) {
 		GameRegistry.registerTileEntity(CompatHooks.INSTANCE.getTile(clas), ident);
 	}
 
 	public void addCraftingRecipe(ItemStack result, Object... recipe) {
+		if (isInvalidRecipeElement(result)) {
+			return;
+		}
+
 		for (Object o : recipe) {
-			if (o == null) {
-				return;
-			}
-			if (o instanceof Block && !Utils.isRegistered((Block) o)) {
-				return;
-			}
-			if (o instanceof Item && !Utils.isRegistered((Item) o)) {
-				return;
-			}
-			if (o instanceof ItemStack && !Utils.isRegistered((ItemStack) o)) {
+			if (isInvalidRecipeElement(o)) {
 				return;
 			}
 		}
+		
 		GameRegistry.addRecipe(new ShapedOreRecipe(result, recipe));
 	}
 
 	public void addShapelessRecipe(ItemStack result, Object... recipe) {
+		if (isInvalidRecipeElement(result)) {
+			return;
+		}
+
 		for (Object o : recipe) {
-			if (o instanceof Block && Block.getIdFromBlock((Block) o) < 0) {
-				return;
-			}
-			if (o instanceof Item && Item.getIdFromItem((Item) o) < 0) {
-				return;
-			}
-			if (o instanceof ItemStack && ((ItemStack) o).getItem() == null) {
+			if (isInvalidRecipeElement(o)) {
 				return;
 			}
 		}
+
 		GameRegistry.addRecipe(new ShapelessOreRecipe(result, recipe));
 	}
 
diff --git a/common/buildcraft/robotics/EntityRobot.java b/common/buildcraft/robotics/EntityRobot.java
index 07ebb200..3ae8d4c8 100644
--- a/common/buildcraft/robotics/EntityRobot.java
+++ b/common/buildcraft/robotics/EntityRobot.java
@@ -120,9 +120,6 @@ public class EntityRobot extends EntityRobotBase implements
 	public float itemActiveStage = 0;
 	public long lastUpdateTime = 0;
 
-	private SafeTimeTracker expensiveVerificationsTracker = new SafeTimeTracker(10);
-	private boolean isMovingOutOfStuck;
-
 	private DockingStation currentDockingStation;
 	private List<ItemStack> wearables = new ArrayList<ItemStack>();
 
@@ -360,44 +357,6 @@ public class EntityRobot extends EntityRobotBase implements
 				getRegistry().killRobot(this);
 			}
 
-			// The commented out part is the part which unstucks robots.
-			// It has been known to cause a lot of issues in 7.1.11.
-			// If you want to try and fix it, go ahead.
-			// Right now it will simply stop them from moving.
-
-			/*
-			if (expensiveVerificationsTracker.markTimeIfDelay(worldObj)) {
-				int collisions = 0;
-
-				int bx = (int) Math.floor(posX);
-				int by = (int) Math.floor(posY);
-				int bz = (int) Math.floor(posZ);
-
-				if (by >= 0 && by < worldObj.getActualHeight() && !BuildCraftAPI.isSoftBlock(worldObj, bx, by, bz)) {
-					List clist = new ArrayList();
-
-					Block block = worldObj.getBlock(bx, by, bz);
-					block.addCollisionBoxesToList(worldObj, bx, by, bz, getBoundingBox(), clist, this);
-					collisions = clist.size();
-				}
-
-				if (collisions > 0) {
-					isMovingOutOfStuck = true;
-					motionX = 0.0F;
-					motionY = 0.05F;
-					motionZ = 0.0F;
-				} else if (isMovingOutOfStuck) {
-					isMovingOutOfStuck = false;
-
-					board.abortDelegateAI();
-
-					motionY = 0.0F;
-
-				}
-			}
-
-			if (!isMovingOutOfStuck) {
-			*/
 			if (linkedDockingStation == null || linkedDockingStation.isInitialized()) {
 				this.worldObj.theProfiler.startSection("bcRobotAI");
 				mainAI.cycle();
diff --git a/common/buildcraft/transport/FacadePluggable.java b/common/buildcraft/transport/FacadePluggable.java
index 00247f23..136682d4 100644
--- a/common/buildcraft/transport/FacadePluggable.java
+++ b/common/buildcraft/transport/FacadePluggable.java
@@ -173,8 +173,8 @@ public class FacadePluggable extends PipePluggable implements IFacadePluggable {
 		int flags = data.readUnsignedByte();
 
 		meta = flags & 0x0F;
-		transparent = (flags & 0x80) > 0;
-		renderAsHollow = (flags & 0x40) > 0;
+		transparent = (flags & 0x80) != 0;
+		renderAsHollow = (flags & 0x40) != 0;
 	}
 
 	private void prepareStates() {
diff --git a/common/buildcraft/transport/PipePluggableState.java b/common/buildcraft/transport/PipePluggableState.java
index 969e1d90..1b3c52cd 100644
--- a/common/buildcraft/transport/PipePluggableState.java
+++ b/common/buildcraft/transport/PipePluggableState.java
@@ -23,15 +23,18 @@ public class PipePluggableState implements ISerializable {
 
 	public void setPluggables(PipePluggable[] pluggables) {
 		this.pluggables = pluggables;
-		this.pluggableMatrix.clean();
-		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS) {
-			this.pluggableMatrix.setConnected(dir, pluggables[dir.ordinal()] != null);
-		}
 	}
 
 	@Override
 	public void writeData(ByteBuf data) {
+		this.pluggableMatrix.clean();
+
+		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS) {
+			this.pluggableMatrix.setConnected(dir, pluggables[dir.ordinal()] != null);
+		}
+
 		this.pluggableMatrix.writeData(data);
+
 		for (PipePluggable p : pluggables) {
 			if (p != null) {
 				data.writeShort(PipeManager.pipePluggables.indexOf(p.getClass()));
@@ -43,6 +46,7 @@ public class PipePluggableState implements ISerializable {
 	@Override
 	public void readData(ByteBuf data) {
 		this.pluggableMatrix.readData(data);
+
 		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS) {
 			if (this.pluggableMatrix.isConnected(dir)) {
 				try {
diff --git a/common/buildcraft/transport/pluggable/LensPluggable.java b/common/buildcraft/transport/pluggable/LensPluggable.java
index ea04c8c1..f44786b9 100644
--- a/common/buildcraft/transport/pluggable/LensPluggable.java
+++ b/common/buildcraft/transport/pluggable/LensPluggable.java
@@ -169,7 +169,7 @@ public class LensPluggable extends PipePluggable {
 	@Override
 	public void readData(ByteBuf data) {
 		int flags = data.readUnsignedByte();
-		color = (flags & 31) - 1;
+		color = (flags & 0x1F) - 1;
 		isFilter = (flags & 0x20) > 0;
 	}
 
diff --git a/common/buildcraft/transport/utils/BitSetCodec.java b/common/buildcraft/transport/utils/BitSetCodec.java
index c4eccb7d..e7021ed1 100644
--- a/common/buildcraft/transport/utils/BitSetCodec.java
+++ b/common/buildcraft/transport/utils/BitSetCodec.java
@@ -14,19 +14,20 @@ public class BitSetCodec {
 	public byte encode(BitSet set) {
 		byte result = 0;
 		for (byte i = 0; i < 8; i++) {
-			result <<= 1;
-			result |= set.get(i) ? 1 : 0;
+			result |= set.get(i) ? (1 << i) : 0;
 		}
 		return result;
 	}
 
 	public void decode(byte data, BitSet target) {
 		byte localData = data;
+		int t = 1;
 
 		target.clear();
+
 		for (byte i = 0; i < 8; i++) {
-			target.set(7 - i, (localData & 1) != 0);
-			localData >>= 1;
+			target.set(i, (localData & t) != 0);
+			t <<= 1;
 		}
 	}
 }
diff --git a/common/buildcraft/transport/utils/TextureMatrix.java b/common/buildcraft/transport/utils/TextureMatrix.java
index e7fc594e..56ae9d7f 100644
--- a/common/buildcraft/transport/utils/TextureMatrix.java
+++ b/common/buildcraft/transport/utils/TextureMatrix.java
@@ -37,14 +37,14 @@ public class TextureMatrix {
 	}
 
 	public void writeData(ByteBuf data) {
-		for (int iconIndexe : iconIndexes) {
-			data.writeByte(iconIndexe);
+		for (int iconIndex : iconIndexes) {
+			data.writeByte(iconIndex);
 		}
 	}
 
 	public void readData(ByteBuf data) {
 		for (int i = 0; i < iconIndexes.length; i++) {
-			int icon = data.readByte();
+			int icon = data.readUnsignedByte();
 			if (iconIndexes[i] != icon) {
 				iconIndexes[i] = icon;
 				dirty = true;
diff --git a/common/buildcraft/transport/utils/WireMatrix.java b/common/buildcraft/transport/utils/WireMatrix.java
index 51da4f95..ba3fce42 100644
--- a/common/buildcraft/transport/utils/WireMatrix.java
+++ b/common/buildcraft/transport/utils/WireMatrix.java
@@ -17,8 +17,6 @@ import net.minecraftforge.common.util.ForgeDirection;
 import buildcraft.api.transport.PipeWire;
 
 public class WireMatrix {
-
-	//private final boolean[] _hasWire = new boolean[IPipe.WireColor.values().length];
 	private final BitSet hasWire = new BitSet(PipeWire.values().length);
 	private final BitSetCodec bitSetCodec = new BitSetCodec();
 
@@ -94,7 +92,7 @@ public class WireMatrix {
 		bitSetCodec.decode(data.readByte(), hasWire);
 		for (int i = 0; i < PipeWire.values().length; i++) {
 			wires[i].readData(data);
-			wireIconIndex[i] = data.readByte();
+			wireIconIndex[i] = data.readUnsignedByte();
 		}
 	}
 }