Started implementing a Lua API to act as a "wrapper" for the ArmBot.

src/minecraft/assemblyline/common/CommonProxy.java

@@ -1,5 +1,11 @@
 package assemblyline.common;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.world.World;
@@ -14,6 +20,7 @@ import assemblyline.common.machine.encoder.ContainerEncoder;
 import assemblyline.common.machine.encoder.TileEntityEncoder;
 import assemblyline.common.machine.imprinter.ContainerImprinter;
 import assemblyline.common.machine.imprinter.TileEntityImprinter;
+import cpw.mods.fml.common.FMLCommonHandler;
 import cpw.mods.fml.common.network.IGuiHandler;
 import cpw.mods.fml.common.registry.GameRegistry;
 
@@ -40,6 +47,67 @@ public class CommonProxy implements IGuiHandler
 		GameRegistry.registerTileEntity(TileEntityMulti.class, "ALMulti");
 	}
 
+	private void extractZipToLocation(File zipFile, String sourceFolder, String destFolder)
+	{
+		try
+		{
+
+			File destFile = new File(FMLCommonHandler.instance().getMinecraftServerInstance().getFile("."), destFolder);
+			String destinationName = destFile.getAbsolutePath();
+			byte[] buf = new byte[1024];
+			ZipInputStream zipinputstream = null;
+			ZipEntry zipentry;
+			zipinputstream = new ZipInputStream(new FileInputStream(zipFile));
+
+			zipentry = zipinputstream.getNextEntry();
+			while (zipentry != null)
+			{
+				// for each entry to be extracted
+				String zipentryName = zipentry.getName();
+				if (!zipentryName.startsWith(sourceFolder))
+				{
+					zipentry = zipinputstream.getNextEntry();
+					continue;
+				}
+
+				String entryName = destinationName + zipentryName.substring(Math.min(zipentryName.length(), sourceFolder.length() - 1));
+				entryName = entryName.replace('/', File.separatorChar);
+				entryName = entryName.replace('\\', File.separatorChar);
+				int n;
+				FileOutputStream fileoutputstream;
+				File newFile = new File(entryName);
+				if (zipentry.isDirectory())
+				{
+					if (!newFile.mkdirs())
+					{
+						break;
+					}
+					zipentry = zipinputstream.getNextEntry();
+					continue;
+				}
+
+				fileoutputstream = new FileOutputStream(entryName);
+
+				while ((n = zipinputstream.read(buf, 0, 1024)) > -1)
+				{
+					fileoutputstream.write(buf, 0, n);
+				}
+
+				fileoutputstream.close();
+				zipinputstream.closeEntry();
+				zipentry = zipinputstream.getNextEntry();
+
+			}// while
+
+			zipinputstream.close();
+		}
+		catch (Exception e)
+		{
+			System.out.println("Error while loading AssemblyLine Lua libraries: ");
+			e.printStackTrace();
+		}
+	}
+
 	@Override
 	public Object getServerGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z)
 	{

src/minecraft/assemblyline/common/machine/armbot/TileEntityArmbot.java

@@ -59,6 +59,8 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 	public double wattsReceived = 0;
 
 	private int playerUsing = 0;
+	
+	private int computersAttached = 0;
 
 	/**
 	 * The rotation of the arms. In Degrees.
@@ -115,7 +117,7 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 				}
 			}
 
-			if (this.disk == null)
+			if (this.disk == null && this.computersAttached == 0)
 			{
 				this.commandManager.clear();
 
@@ -125,7 +127,9 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 				}
 				else
 				{
-					this.commandManager.addCommand(this, CommandReturn.class);
+					if (!this.commandManager.hasTasks())
+						if (Math.abs(this.rotationYaw - CommandReturn.IDLE_ROTATION_YAW) > 0.01)
+							this.commandManager.addCommand(this, CommandReturn.class);
 				}
 
 				this.commandManager.setCurrentTask(0);
@@ -485,24 +489,25 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 	@Override
 	public Object[] callMethod(IComputerAccess computer, int method, Object[] arguments) throws Exception
 	{
-		System.out.println(getMethodNames()[method] + ": ");
-		for (Object o : arguments)
-		{
-			System.out.println("  " + o.toString());
-		}
 		switch (method)
 		{
 			case 0: // rotateBy: rotates by a certain amount
 			{
 				if (arguments.length > 0)
 				{
-					if (arguments[0] instanceof Float)
+					try
+					// try to cast to Float
 					{
-						float angle = (Float) arguments[0];
+						double angle = (Double) arguments[0];
-						this.commandManager.addCommand(this, CommandRotate.class, new String[] { Float.toString(angle) });
+						this.commandManager.addCommand(this, CommandRotate.class, new String[] { Double.toString(angle) });
+						while(this.commandManager.hasTasks())
+						{
+							Thread.sleep(1);
+						}
 					}
-					else
+					catch (Exception ex)
 					{
+						ex.printStackTrace();
 						throw new IllegalArgumentException("expected number");
 					}
 				}
@@ -518,12 +523,17 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 				{
 					try
 					{
-						float angle = (Float) arguments[0];
+						double angle = (Double) arguments[0];
-						float diff = angle - this.rotationYaw;
+						double diff = angle - this.rotationYaw;
-						this.commandManager.addCommand(this, CommandRotate.class, new String[] { Float.toString(diff) });
+						this.commandManager.addCommand(this, CommandRotate.class, new String[] { Double.toString(diff) });
+						while(this.commandManager.hasTasks())
+						{
+							Thread.sleep(1);
+						}
 					}
 					catch (Exception ex)
 					{
+						ex.printStackTrace();
 						throw new IllegalArgumentException("expected number");
 					}
 				}
@@ -536,11 +546,19 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 			case 2: // grab: grabs an item
 			{
 				this.commandManager.addCommand(this, CommandGrab.class);
+				while(this.commandManager.hasTasks())
+				{
+					Thread.sleep(1);
+				}
 				break;
 			}
 			case 3: // drop: drops an item
 			{
 				this.commandManager.addCommand(this, CommandDrop.class);
+				while(this.commandManager.hasTasks())
+				{
+					Thread.sleep(1);
+				}
 				break;
 			}
 			case 4: // reset: calls the RETURN command
@@ -565,13 +583,13 @@ public class TileEntityArmbot extends TileEntityAssemblyNetwork implements IMult
 	@Override
 	public void attach(IComputerAccess computer)
 	{
-
+		computersAttached++;
 	}
 
 	@Override
 	public void detach(IComputerAccess computer)
 	{
-
+		computersAttached--;
 	}
 
 }