public static int renderLadderModelID;//это будет наш RenderType
public static Block ladderModel = new LadderBlock(2024).setCreativeTab(CreativeTabs.tabBlock).setHardness(0.0F).setBlockName("LadderModel");

public void load(FMLInitializationEvent event)
{

	GameRegistry.registerBlock(ladderModel);
	GameRegistry.registerTileEntity( testmod.TileEntityLadderModel.class, "TileEntityLadderModel" );
	LanguageRegistry.addName(ladderModel, "Лестница");
	ClientRegistry.bindTileEntitySpecialRenderer(TileEntityLadderModel.class, new RendererLadderModel());//регистрируем рендер, и энтити
	//это поможет нам отрендерить модель в руке, то-есть как сундук
	renderLadderModelID = RenderingRegistry.getNextAvailableRenderId();
	RenderingRegistry.registerBlockHandler(renderLadderModelID, new LadderBlockHandler());

package testmod;


import static net.minecraftforge.common.ForgeDirection.EAST;
import static net.minecraftforge.common.ForgeDirection.NORTH;
import static net.minecraftforge.common.ForgeDirection.SOUTH;
import static net.minecraftforge.common.ForgeDirection.WEST;

import java.util.Random;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.BlockContainer;
import net.minecraft.block.material.Material;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.world.*;

public class LadderBlock extends BlockContainer
{
   public LadderBlock(int id)
   {
	   super(id, Material.circuits);

   }

   public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
   {
       this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
       return super.getCollisionBoundingBoxFromPool(par1World, par2, par3, par4);
   }

   @SideOnly(Side.CLIENT)
   
   public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
   {
       this.updateLadderBounds(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
   }

   public void updateLadderBounds(int par1)
   {
       float var3 = 0.125F;

       if (par1 == 2)
       {
           this.setBlockBounds(0.0F, 0.0F, 1.0F - var3, 1.0F, 1.0F, 1.0F);
       }

       if (par1 == 3)
       {
           this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, var3);
       }

       if (par1 == 4)
       {
           this.setBlockBounds(1.0F - var3, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
       }

       if (par1 == 5)
       {
           this.setBlockBounds(0.0F, 0.0F, 0.0F, var3, 1.0F, 1.0F);
       }
   }
   
   public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
   {
       return par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST ) ||
              par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST ) ||
              par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) ||
              par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH);
   }
   
   public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
   {
       this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
       return super.getSelectedBoundingBoxFromPool(par1World, par2, par3, par4);
   }
   
   public int getRenderType()
   {
	  return TestModBase.renderLadderModelID;//выбираем наш рендер
   }

   public boolean isOpaqueCube()
   {
	  return false;
   }

   public boolean renderAsNormalBlock()
   {
	  return false;
   }

   public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9)
   {
       int var10 = par9;

       if ((var10 == 0 || par5 == 2) && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
       {
           var10 = 2;
       }

       if ((var10 == 0 || par5 == 3) && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
       {
           var10 = 3;
       }

       if ((var10 == 0 || par5 == 4) && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
       {
           var10 = 4;
       }

       if ((var10 == 0 || par5 == 5) && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
       {
           var10 = 5;
       }

       return var10;
   }

   /**
    * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    * their own) Args: x, y, z, neighbor blockID
    */
   public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
   {
       int var6 = par1World.getBlockMetadata(par2, par3, par4);
       boolean var7 = false;

       if (var6 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
       {
           var7 = true;
       }

       if (var6 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
       {
           var7 = true;
       }

       if (var6 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
       {
           var7 = true;
       }

       if (var6 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
       {
           var7 = true;
       }

       if (!var7)
       {
           this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
           par1World.setBlockWithNotify(par2, par3, par4, 0);
       }

       super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
   }

   public void setBlockBoundsForItemRender()

   {

       this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F);

   }

   public int quantityDropped(Random par1Random)
   {
       return 1;
   }

   @Override
   public boolean isLadder(World world, int x, int y, int z)
   {
       return true;
   }
   
   @Override
   public TileEntity createNewTileEntity(World world)
   {
	  return new TileEntityLadderModel();
   }

}

package testmod;
import net.minecraft.tileentity.TileEntity;

public class TileEntityLadderModel extends TileEntity
{
   public TileEntityLadderModel()
   {

   }
}

package net.minecraft.src;

public class Modelladder extends ModelBase
{
  //fields
    ModelRenderer Shape1;
    ModelRenderer Shape2;
    ModelRenderer Shape3;
    ModelRenderer Shape4;
    ModelRenderer Shape5;
    ModelRenderer Shape6;
  
  public Modelladder()
  {
    textureWidth = 32;
    textureHeight = 32;
    
      Shape1 = new ModelRenderer(this, 0, 0);
      Shape1.addBox(0F, 0F, 0F, 2, 16, 2);
      Shape1.setRotationPoint(-8F, 8F, 5F);
      Shape1.setTextureSize(32, 32);
      Shape1.mirror = true;
      setRotation(Shape1, 0F, 0F, 0F);
      Shape2 = new ModelRenderer(this, 0, 0);
      Shape2.addBox(0F, 0F, 0F, 2, 16, 2);
      Shape2.setRotationPoint(-8F, 8F, -7F);
      Shape2.setTextureSize(32, 32);
      Shape2.mirror = true;
      setRotation(Shape2, 0F, 0F, 0F);
      Shape3 = new ModelRenderer(this, 0, 0);
      Shape3.addBox(0F, 0F, 0F, 1, 2, 16);
      Shape3.setRotationPoint(-8F, 9F, -8F);
      Shape3.setTextureSize(32, 32);
      Shape3.mirror = true;
      setRotation(Shape3, 0F, 0F, 0F);
      Shape4 = new ModelRenderer(this, 0, 0);
      Shape4.addBox(0F, 0F, 0F, 1, 2, 16);
      Shape4.setRotationPoint(-8F, 13F, -8F);
      Shape4.setTextureSize(32, 32);
      Shape4.mirror = true;
      setRotation(Shape4, 0F, 0F, 0F);
      Shape5 = new ModelRenderer(this, 0, 0);
      Shape5.addBox(0F, 0F, 0F, 1, 2, 16);
      Shape5.setRotationPoint(-8F, 17F, -8F);
      Shape5.setTextureSize(32, 32);
      Shape5.mirror = true;
      setRotation(Shape5, 0F, 0F, 0F);
      Shape6 = new ModelRenderer(this, 0, 0);
      Shape6.addBox(0F, 0F, 0F, 1, 2, 16);
      Shape6.setRotationPoint(-8F, 21F, -8F);
      Shape6.setTextureSize(32, 32);
      Shape6.mirror = true;
      setRotation(Shape6, 0F, 0F, 0F);
  }
  
  public void render(Entity entity, float f, float f1, float f2, float f3, float f4, float f5)
  {
    super.render(entity, f, f1, f2, f3, f4, f5);
    setRotationAngles(f, f1, f2, f3, f4, f5);
    Shape1.render(f5);
    Shape2.render(f5);
    Shape3.render(f5);
    Shape4.render(f5);
    Shape5.render(f5);
    Shape6.render(f5);
  }
  
  private void setRotation(ModelRenderer model, float x, float y, float z)
  {
    model.rotateAngleX = x;
    model.rotateAngleY = y;
    model.rotateAngleZ = z;
  }
  
  public void setRotationAngles(float f, float f1, float f2, float f3, float f4, float f5)
  {
    super.setRotationAngles(f, f1, f2, f3, f4, f5);
  }

}

 public void render() 
	{
	  Shape1.render(0.0625F);
	  Shape2.render(0.0625F);
	  Shape3.render(0.0625F);
	  Shape4.render(0.0625F);
	  Shape5.render(0.0625F);
	  Shape6.render(0.0625F);
	  
	}

package testmod;

import org.lwjgl.opengl.GL11;
import net.minecraft.client.renderer.tileentity.*;
import net.minecraft.tileentity.TileEntity;

public class RendererLadderModel extends TileEntitySpecialRenderer
{
   private static ModelLadder model;//наша модель

   public RendererLadderModel()
   {
	  model = new ModelLadder();
   }

   public void renderTileEntityAt(TileEntity tileEntity, double d1, double d2, double d3, float f)
   {
	  this.renderTileEntity((TileEntityLadderModel)tileEntity, d1, d2, d3, f);
   }

   public void renderTileEntity(TileEntityLadderModel tileEntity, double d1, double d2, double d3, float f)
   {
		GL11.glPushMatrix();
		GL11.glTranslatef((float)d1 + 0.5F, (float)d2 + 1.5F, (float)d3 + 0.5F);
		GL11.glRotatef(180F, 0.0F, 0.0F, 1.0F);
		this.bindTextureByName("/testmod/models/wood.png");//текстура
        this.model.render(); 
		GL11.glPopMatrix();
   }
}

package testmod;

import net.minecraft.block.Block;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.tileentity.TileEntityRenderer;
import net.minecraft.world.IBlockAccess;
import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;

public class LadderBlockHandler implements ISimpleBlockRenderingHandler 
{

	@Override
	public void renderInventoryBlock(Block block, int metadata, int modelID, RenderBlocks renderer) 
	{
		if(block == TestModBase.ladderModel) //Выбираем модель
			TileEntityRenderer.instance.renderTileEntityAt(new TileEntityLadderModel(), 0D, 0D, 0D, 0F);
	}

	@Override
	public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer) 
	{
		return false;
	}

	@Override
	public boolean shouldRender3DInInventory()  //Надо ли рендерить блок в инвентаре
	{
		return true;
	}

	@Override
	public int getRenderId() 
	{
		return 0;
	}

}