I have this basic class with EnumRailDirection:

 

package ultratechx.autotrains;

import net.minecraft.block.Block;
import net.minecraft.block.BlockRail;
import net.minecraft.block.BlockRailBase;
import net.minecraft.block.ITileEntityProvider;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.IStringSerializable;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class railControlBlock extends BlockRail implements ITileEntityProvider {

public static final PropertyEnum PART = PropertyEnum.create("part", EnumPartType.class);
public static final PropertyEnum SHAPE = PropertyEnum.create("shape", BlockRailBase.EnumRailDirection.class);

private static String name = "railControlBlock";
private int part;

    public railControlBlock(int pnum) {
    	
        super();
        GameRegistry.registerTileEntity(railControl.class, name);
        if(pnum == 0) {
        	setDefaultState(this.blockState.getBaseState().withProperty(PART, EnumPartType.MIDDLE).withProperty(SHAPE, BlockRailBase.EnumRailDirection.NORTH_SOUTH));
        	this.part = 0;
        }else if(pnum == 1){
        	setDefaultState(this.blockState.getBaseState().withProperty(PART, EnumPartType.LEFT).withProperty(SHAPE, BlockRailBase.EnumRailDirection.NORTH_SOUTH));
        	this.part = 1;
        }else if(pnum == 2){
        	setDefaultState(this.blockState.getBaseState().withProperty(PART, EnumPartType.RIGHT).withProperty(SHAPE, BlockRailBase.EnumRailDirection.NORTH_SOUTH));
        	this.part = 2;
        }
        
        GameRegistry.registerBlock(this, name);
        this.setCreativeTab(CreativeTabs.tabMisc);
        this.setUnlocalizedName(name);
        this.setHardness(2.0f);
        setBlockBounds();
        this.setResistance(6.0f);
        this.setHarvestLevel("pickaxe", 2);
        this.isBlockContainer = true;
        
    }
    
    @Override
    public String toString() {
        return getName();
    }
    
    
    
  

@Override
public TileEntity createNewTileEntity(World worldIn, int meta) {
	return new railControl();
}



public static String getName(){
    	return name;
    }


  
  @SideOnly(Side.CLIENT)
  public AxisAlignedBB getSelectedBoundingBox(World worldIn, BlockPos pos)
  {
    setBlockBoundsBasedOnState(worldIn, pos);
    return super.getSelectedBoundingBox(worldIn, pos);
  }

public IProperty getShapeProperty()
  {
    return SHAPE;
  }

public IProperty getPartProperty()
  {
    return PART;
  }


  
  public IBlockState getStateFromMeta(int meta)
  {
    return getDefaultState().withProperty(PART, EnumPartType.byMetadata(meta)).withProperty(SHAPE, BlockRailBase.EnumRailDirection.byMetadata(meta));
  }
  
  @Override
    public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos)
    {
        
            setBlockBounds();
        
    }
  
  
  private void setBlockBounds()
  {
	  setBlockBounds(0F, 0.0F, 0F, 1F, 0.125F, 1F);
  }
  
  public int getMetaFromState(IBlockState state)
  {
    return ((BlockRailBase.EnumRailDirection)state.getValue(SHAPE)).getMetadata();
  }
  
  @Override
  public IBlockState getActualState(IBlockState state, IBlockAccess worldIn, BlockPos pos){
	  if(this.part == 2){
		  return state.withProperty(PART, EnumPartType.RIGHT);
	  }else if(this.part == 1){
		  return state.withProperty(PART, EnumPartType.LEFT);
	  }else{
		  return state.withProperty(PART, EnumPartType.MIDDLE);
	  }
	  
  }
  
  protected BlockState createBlockState()
  {
    return new BlockState(this, new IProperty[] { PART, SHAPE });
  }
  
  
  
  public boolean isOpaqueCube()
  {
  return false;
  }
  
  /**
  * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
  */

  public boolean renderAsNormalBlock()
  {
  return false;
  }

  public int getRenderBlockPass()
  {
  return 1;
  }
  
  public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock)
  {
	  updateMultiBlockStructure(worldIn, pos.getX(), pos.getY(), pos.getZ());
  }
  
  public void onBlockAdded(World worldIn, BlockPos pos, IBlockState state){
	  updateMultiBlockStructure(worldIn, pos.getX(), pos.getY(), pos.getZ());
  }
  
  public void updateMultiBlockStructure(World world, int x, int y, int z){
	  isMultiBlockStructure(world, x, y, z);
  }
  
  public boolean isMultiBlockStructure(World world, int x1, int y1, int z1){
	  boolean mStructure = false;
	  boolean currentCheckStructure = true;
	  
	  for(int x3 = 0; x3 < 3; x3++){
		  for(int z3 = 0; z3 < 3; z3++){
			  BlockPos neighbourPos = new BlockPos(x1 - x3, y1, z1 - z3);
			  IBlockState neighbourState = world.getBlockState(neighbourPos);
			  Block neighbourBlock = neighbourState.getBlock();
			  if(currentCheckStructure && neighbourBlock != AutoTrains.railControl){
				  System.out.println("this is not a multi block structure");
				  currentCheckStructure = false;
			  }else{
				  System.out.println("this is a multi block structure");
			  }
		  }
	  }
	  
	  return false;
  }
  
  
  protected void onNeighborChangedInternal(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock)
  {
    //whenever the blocks around it change
  }
  
  public static enum EnumPartType
    implements IStringSerializable
  {
    MIDDLE(0, "middle"),  
    LEFT(1, "left"), 
    RIGHT(2, "right");
	  
	private static final EnumPartType[] META_LOOKUP = new EnumPartType[values().length];

	private final int meta;
    
    private final String name;
    
    private EnumPartType(int meta, String name)
        {
            this.meta = meta;
            this.name = name;
        }

        public int getMetadata()
        {
            return this.meta;
        }

        public String toString()
        {
            return this.name;
        }
    public String getName()
    {
      return this.name;
    }
    
    public static EnumPartType byMetadata(int meta)
        {
            if (meta < 0 || meta >= META_LOOKUP.length)
            {
                meta = 0;
            }

            return META_LOOKUP[meta];
        }
    
    static
        {
            EnumPartType[] var0 = values();
            int var1 = var0.length;

            for (int var2 = 0; var2 < var1; ++var2)
            {
                EnumPartType var3 = var0[var2];
                META_LOOKUP[var3.getMetadata()] = var3;
            }
        }
  }
  
}

 

 

but it wont turn when it should like a normal rail, any ideas?

nevermind, i fixed it by adding this into my onBlockAdded method after taking a look at the BlockRailBase class:

 

if (!worldIn.isRemote)

    {

            state = this.func_176564_a(worldIn, pos, state, true);

}