package net.minecraft.src;

public class BlockRedstoneDirectionalOverride extends World
{

     public BlockRedstoneDirectionalOverride(ISaveHandler par1iSaveHandler, String par2Str, WorldProvider par3WorldProvider, WorldSettings par4WorldSettings, Profiler par5Profiler, ILogAgent par6iLogAgent)
     {
        super(par1iSaveHandler, par2Str, par3WorldProvider, par4WorldSettings,
                par5Profiler, par6iLogAgent);
    }

     @Override
    protected IChunkProvider createChunkProvider()
     {
        return null;
    }

    @Override
    public Entity getEntityByID(int var1)
    {
        return null;
    }






    /**
     * Checks if the block is a solid, normal cube. If the chunk does not exist, or is not loaded, it returns the
     * boolean parameter.
     */
    @Override
    public boolean isBlockNormalCubeDefault(int par1, int par2, int par3, boolean par4)
     {
     if (par1 >= -30000000 && par3 >= -30000000 && par1 < 30000000 && par3 < 30000000)
     {
     Chunk var5 = this.chunkProvider.provideChunk(par1 >> 4, par3 >> 4);

     if (var5 != null && !var5.isEmpty())
     {
     Block var6 = Block.blocksList[this.getBlockId(par1, par2, par3)];
     return (var6 instanceof BlockRedstoneDirectional || var6 instanceof BlockRedstoneDirectionalLogic) ? true : (var6 == null) ? false : (var6.blockMaterial.isOpaque() &&
     var6.renderAsNormalBlock());
     }
     else
     {
     return par4;
     }
     }
     else
     {
     return par4;
     }
     }

    /**
     * Performs check to see if the block is a normal, solid block, or if the metadata of the block indicates that its
     * facing puts its solid side upwards. (inverted stairs, for example)
     */
    @Override
    public boolean isBlockTopFacingSurfaceSolid(Block par1Block, int par2)
    {
         return par1Block == null ? false : (par1Block.blockMaterial.isOpaque() && par1Block.renderAsNormalBlock() ? true : (par1Block instanceof BlockStairs ?   (par2 & 4) == 4 : (par1Block instanceof BlockHalfSlab ? (par2 & 8) == 8 : (par1Block instanceof BlockHopper ? true : (par1Block instanceof BlockSnow   ? (par2 & 7) == 7 : (par1Block instanceof BlockRedstoneDirectional || par1Block instanceof BlockRedstoneDirectionalLogic) ? true : false)))));
    }

}