add redstone controls

src/main/java/storagecraft/tile/TileMachine.java

@@ -1,16 +1,22 @@
 package storagecraft.tile;
 
 import io.netty.buffer.ByteBuf;
+import net.minecraft.nbt.NBTTagCompound;
 
 public abstract class TileMachine extends TileBase implements INetworkTile {
+	public static final String NBT_REDSTONE_MODE = "RedstoneMode";
+
 	protected boolean connected = false;
 
+	private RedstoneMode redstoneMode = RedstoneMode.IGNORE;
+
 	private int xController;
 	private int yController;
 	private int zController;
 
 	public void onConnected(TileController controller) {
 		this.connected = true;
+
 		this.xController = controller.xCoord;
 		this.yController = controller.yCoord;
 		this.zController = controller.zCoord;
@@ -24,16 +30,44 @@ public abstract class TileMachine extends TileBase implements INetworkTile {
 		worldObj.markBlockForUpdate(xCoord, yCoord, zCoord);
 	}
 
+	@Override
+	public void updateEntity() {
+		super.updateEntity();
+
+		if (!worldObj.isRemote && isConnected()) {
+			updateMachine();
+		}
+	}
+
 	public boolean isConnected() {
 		return connected;
 	}
 
+	public boolean isEnabled() {
+		switch (redstoneMode) {
+			case IGNORE:
+				return true;
+			case HIGH:
+				return worldObj.isBlockIndirectlyGettingPowered(xCoord, yCoord, zCoord);
+			case LOW:
+				return !worldObj.isBlockIndirectlyGettingPowered(xCoord, yCoord, zCoord);
+		}
+
+		return false;
+	}
+
+	public RedstoneMode getRedstoneMode() {
+		return redstoneMode;
+	}
+
+	public void setRedstoneMode(RedstoneMode mode) {
+		this.redstoneMode = mode;
+	}
+
 	public TileController getController() {
 		return (TileController) worldObj.getTileEntity(xController, yController, zController);
 	}
 
-	public abstract int getEnergyUsage();
-
 	@Override
 	public void fromBytes(ByteBuf buf) {
 		connected = buf.readBoolean();
@@ -43,6 +77,8 @@ public abstract class TileMachine extends TileBase implements INetworkTile {
 			yController = buf.readInt();
 			zController = buf.readInt();
 		}
+
+		redstoneMode = RedstoneMode.getById(buf.readInt());
 	}
 
 	@Override
@@ -54,5 +90,25 @@ public abstract class TileMachine extends TileBase implements INetworkTile {
 			buf.writeInt(yController);
 			buf.writeInt(zController);
 		}
+
+		buf.writeInt(redstoneMode.id);
 	}
+
+	@Override
+	public void readFromNBT(NBTTagCompound nbt) {
+		super.readFromNBT(nbt);
+
+		redstoneMode = RedstoneMode.getById(nbt.getInteger(NBT_REDSTONE_MODE));
+	}
+
+	@Override
+	public void writeToNBT(NBTTagCompound nbt) {
+		super.writeToNBT(nbt);
+
+		nbt.setInteger(NBT_REDSTONE_MODE, redstoneMode.id);
+	}
+
+	public abstract int getEnergyUsage();
+
+	public abstract void updateMachine();
 }