package net.minecraft.server;

import javax.annotation.Nullable;

public class BlockLadder extends Block implements IBlockWaterlogged {

    public static final BlockStateDirection FACING = BlockFacingHorizontal.FACING;
    public static final BlockStateBoolean b = BlockProperties.C;
    protected static final VoxelShape c = Block.a(0.0D, 0.0D, 0.0D, 3.0D, 16.0D, 16.0D);
    protected static final VoxelShape d = Block.a(13.0D, 0.0D, 0.0D, 16.0D, 16.0D, 16.0D);
    protected static final VoxelShape e = Block.a(0.0D, 0.0D, 0.0D, 16.0D, 16.0D, 3.0D);
    protected static final VoxelShape f = Block.a(0.0D, 0.0D, 13.0D, 16.0D, 16.0D, 16.0D);

    protected BlockLadder(Block.Info block_info) {
        super(block_info);
        this.p((IBlockData) ((IBlockData) ((IBlockData) this.blockStateList.getBlockData()).set(BlockLadder.FACING, EnumDirection.NORTH)).set(BlockLadder.b, false));
    }

    @Override
    public VoxelShape a(IBlockData iblockdata, IBlockAccess iblockaccess, BlockPosition blockposition, VoxelShapeCollision voxelshapecollision) {
        switch ((EnumDirection) iblockdata.get(BlockLadder.FACING)) {
            case NORTH:
                return BlockLadder.f;
            case SOUTH:
                return BlockLadder.e;
            case WEST:
                return BlockLadder.d;
            case EAST:
            default:
                return BlockLadder.c;
        }
    }

    private boolean a(IBlockAccess iblockaccess, BlockPosition blockposition, EnumDirection enumdirection) {
        IBlockData iblockdata = iblockaccess.getType(blockposition);

        return !iblockdata.isPowerSource() && iblockdata.d(iblockaccess, blockposition, enumdirection);
    }

    @Override
    public boolean canPlace(IBlockData iblockdata, IWorldReader iworldreader, BlockPosition blockposition) {
        EnumDirection enumdirection = (EnumDirection) iblockdata.get(BlockLadder.FACING);

        return this.a((IBlockAccess) iworldreader, blockposition.shift(enumdirection.opposite()), enumdirection);
    }

    @Override
    public IBlockData updateState(IBlockData iblockdata, EnumDirection enumdirection, IBlockData iblockdata1, GeneratorAccess generatoraccess, BlockPosition blockposition, BlockPosition blockposition1) {
        if (enumdirection.opposite() == iblockdata.get(BlockLadder.FACING) && !iblockdata.canPlace(generatoraccess, blockposition)) {
            return Blocks.AIR.getBlockData();
        } else {
            if ((Boolean) iblockdata.get(BlockLadder.b)) {
                generatoraccess.getFluidTickList().a(blockposition, FluidTypes.WATER, FluidTypes.WATER.a((IWorldReader) generatoraccess));
            }

            return super.updateState(iblockdata, enumdirection, iblockdata1, generatoraccess, blockposition, blockposition1);
        }
    }

    @Nullable
    @Override
    public IBlockData getPlacedState(BlockActionContext blockactioncontext) {
        IBlockData iblockdata;

        if (!blockactioncontext.c()) {
            iblockdata = blockactioncontext.getWorld().getType(blockactioncontext.getClickPosition().shift(blockactioncontext.getClickedFace().opposite()));
            if (iblockdata.getBlock() == this && iblockdata.get(BlockLadder.FACING) == blockactioncontext.getClickedFace()) {
                return null;
            }
        }

        iblockdata = this.getBlockData();
        World world = blockactioncontext.getWorld();
        BlockPosition blockposition = blockactioncontext.getClickPosition();
        Fluid fluid = blockactioncontext.getWorld().getFluid(blockactioncontext.getClickPosition());
        EnumDirection[] aenumdirection = blockactioncontext.e();
        int i = aenumdirection.length;

        for (int j = 0; j < i; ++j) {
            EnumDirection enumdirection = aenumdirection[j];

            if (enumdirection.m().c()) {
                iblockdata = (IBlockData) iblockdata.set(BlockLadder.FACING, enumdirection.opposite());
                if (iblockdata.canPlace(world, blockposition)) {
                    return (IBlockData) iblockdata.set(BlockLadder.b, fluid.getType() == FluidTypes.WATER);
                }
            }
        }

        return null;
    }

    @Override
    public IBlockData a(IBlockData iblockdata, EnumBlockRotation enumblockrotation) {
        return (IBlockData) iblockdata.set(BlockLadder.FACING, enumblockrotation.a((EnumDirection) iblockdata.get(BlockLadder.FACING)));
    }

    @Override
    public IBlockData a(IBlockData iblockdata, EnumBlockMirror enumblockmirror) {
        return iblockdata.a(enumblockmirror.a((EnumDirection) iblockdata.get(BlockLadder.FACING)));
    }

    @Override
    protected void a(BlockStateList.a<Block, IBlockData> blockstatelist_a) {
        blockstatelist_a.a(BlockLadder.FACING, BlockLadder.b);
    }

    @Override
    public Fluid a_(IBlockData iblockdata) {
        return (Boolean) iblockdata.get(BlockLadder.b) ? FluidTypes.WATER.a(false) : super.a_(iblockdata);
    }
}