package net.minecraft.block;

import java.util.Random;
import javax.annotation.Nullable;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.state.BlockFaceShape;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.stats.StatList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.BlockRenderLayer;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.Mirror;
import net.minecraft.util.Rotation;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class BlockVine extends Block implements net.minecraftforge.common.IShearable
{
    public static final PropertyBool UP = PropertyBool.create("up");
    public static final PropertyBool NORTH = PropertyBool.create("north");
    public static final PropertyBool EAST = PropertyBool.create("east");
    public static final PropertyBool SOUTH = PropertyBool.create("south");
    public static final PropertyBool WEST = PropertyBool.create("west");
    public static final PropertyBool[] ALL_FACES = new PropertyBool[] {UP, NORTH, SOUTH, WEST, EAST};
    protected static final AxisAlignedBB UP_AABB = new AxisAlignedBB(0.0D, 0.9375D, 0.0D, 1.0D, 1.0D, 1.0D);
    protected static final AxisAlignedBB WEST_AABB = new AxisAlignedBB(0.0D, 0.0D, 0.0D, 0.0625D, 1.0D, 1.0D);
    protected static final AxisAlignedBB EAST_AABB = new AxisAlignedBB(0.9375D, 0.0D, 0.0D, 1.0D, 1.0D, 1.0D);
    protected static final AxisAlignedBB NORTH_AABB = new AxisAlignedBB(0.0D, 0.0D, 0.0D, 1.0D, 1.0D, 0.0625D);
    protected static final AxisAlignedBB SOUTH_AABB = new AxisAlignedBB(0.0D, 0.0D, 0.9375D, 1.0D, 1.0D, 1.0D);

    public BlockVine()
    {
        super(Material.VINE);
        this.setDefaultState(this.blockState.getBaseState().withProperty(UP, Boolean.valueOf(false)).withProperty(NORTH, Boolean.valueOf(false)).withProperty(EAST, Boolean.valueOf(false)).withProperty(SOUTH, Boolean.valueOf(false)).withProperty(WEST, Boolean.valueOf(false)));
        this.setTickRandomly(true);
        this.setCreativeTab(CreativeTabs.DECORATIONS);
    }

    @Nullable
    public AxisAlignedBB getCollisionBoundingBox(IBlockState blockState, IBlockAccess worldIn, BlockPos pos)
    {
        return NULL_AABB;
    }

    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos)
    {
        state = state.getActualState(source, pos);
        int i = 0;
        AxisAlignedBB axisalignedbb = FULL_BLOCK_AABB;

        if (((Boolean)state.getValue(UP)).booleanValue())
        {
            axisalignedbb = UP_AABB;
            ++i;
        }

        if (((Boolean)state.getValue(NORTH)).booleanValue())
        {
            axisalignedbb = NORTH_AABB;
            ++i;
        }

        if (((Boolean)state.getValue(EAST)).booleanValue())
        {
            axisalignedbb = EAST_AABB;
            ++i;
        }

        if (((Boolean)state.getValue(SOUTH)).booleanValue())
        {
            axisalignedbb = SOUTH_AABB;
            ++i;
        }

        if (((Boolean)state.getValue(WEST)).booleanValue())
        {
            axisalignedbb = WEST_AABB;
            ++i;
        }

        return i == 1 ? axisalignedbb : FULL_BLOCK_AABB;
    }

    /**
     * Get the actual Block state of this Block at the given position. This applies properties not visible in the
     * metadata, such as fence connections.
     */
    public IBlockState getActualState(IBlockState state, IBlockAccess worldIn, BlockPos pos)
    {
        BlockPos blockpos = pos.up();
        return state.withProperty(UP, Boolean.valueOf(worldIn.getBlockState(blockpos).getBlockFaceShape(worldIn, blockpos, EnumFacing.DOWN) == BlockFaceShape.SOLID));
    }

    /**
     * Used to determine ambient occlusion and culling when rebuilding chunks for render
     */
    public boolean isOpaqueCube(IBlockState state)
    {
        return false;
    }

    public boolean isFullCube(IBlockState state)
    {
        return false;
    }

    /**
     * Whether this Block can be replaced directly by other blocks (true for e.g. tall grass)
     */
    public boolean isReplaceable(IBlockAccess worldIn, BlockPos pos)
    {
        return true;
    }

    /**
     * Check whether this Block can be placed at pos, while aiming at the specified side of an adjacent block
     */
    public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, EnumFacing side)
    {
        return side != EnumFacing.DOWN && side != EnumFacing.UP && this.canAttachTo(worldIn, pos, side);
    }

    public boolean canAttachTo(World p_193395_1_, BlockPos p_193395_2_, EnumFacing p_193395_3_)
    {
        Block block = p_193395_1_.getBlockState(p_193395_2_.up()).getBlock();
        return this.isAcceptableNeighbor(p_193395_1_, p_193395_2_.offset(p_193395_3_.getOpposite()), p_193395_3_) && (block == Blocks.AIR || block == Blocks.VINE || this.isAcceptableNeighbor(p_193395_1_, p_193395_2_.up(), EnumFacing.UP));
    }

    private boolean isAcceptableNeighbor(World p_193396_1_, BlockPos p_193396_2_, EnumFacing p_193396_3_)
    {
        IBlockState iblockstate = p_193396_1_.getBlockState(p_193396_2_);
        return iblockstate.getBlockFaceShape(p_193396_1_, p_193396_2_, p_193396_3_) == BlockFaceShape.SOLID && !isExceptBlockForAttaching(iblockstate.getBlock());
    }

    protected static boolean isExceptBlockForAttaching(Block p_193397_0_)
    {
        return p_193397_0_ instanceof BlockShulkerBox || p_193397_0_ == Blocks.BEACON || p_193397_0_ == Blocks.CAULDRON || p_193397_0_ == Blocks.GLASS || p_193397_0_ == Blocks.STAINED_GLASS || p_193397_0_ == Blocks.PISTON || p_193397_0_ == Blocks.STICKY_PISTON || p_193397_0_ == Blocks.PISTON_HEAD || p_193397_0_ == Blocks.TRAPDOOR;
    }

    private boolean recheckGrownSides(World worldIn, BlockPos pos, IBlockState state)
    {
        IBlockState iblockstate = state;

        for (EnumFacing enumfacing : EnumFacing.Plane.HORIZONTAL)
        {
            PropertyBool propertybool = getPropertyFor(enumfacing);

            if (((Boolean)state.getValue(propertybool)).booleanValue() && !this.canAttachTo(worldIn, pos, enumfacing.getOpposite()))
            {
                IBlockState iblockstate1 = worldIn.getBlockState(pos.up());

                if (iblockstate1.getBlock() != this || !((Boolean)iblockstate1.getValue(propertybool)).booleanValue())
                {
                    state = state.withProperty(propertybool, Boolean.valueOf(false));
                }
            }
        }

        if (getNumGrownFaces(state) == 0)
        {
            return false;
        }
        else
        {
            if (iblockstate != state)
            {
                worldIn.setBlockState(pos, state, 2);
            }

            return true;
        }
    }

    /**
     * Called when a neighboring block was changed and marks that this state should perform any checks during a neighbor
     * change. Cases may include when redstone power is updated, cactus blocks popping off due to a neighboring solid
     * block, etc.
     */
    public void neighborChanged(IBlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos)
    {
        if (!worldIn.isRemote && !this.recheckGrownSides(worldIn, pos, state))
        {
            this.dropBlockAsItem(worldIn, pos, state, 0);
            worldIn.setBlockToAir(pos);
        }
    }

    public void updateTick(World worldIn, BlockPos pos, IBlockState state, Random rand)
    {
        if (!worldIn.isRemote)
        {
            if (worldIn.rand.nextInt(4) == 0 && worldIn.isAreaLoaded(pos, 4)) // Forge: check area to prevent loading unloaded chunks
            {
                int i = 4;
                int j = 5;
                boolean flag = false;
                label181:

                for (int k = -4; k <= 4; ++k)
                {
                    for (int l = -4; l <= 4; ++l)
                    {
                        for (int i1 = -1; i1 <= 1; ++i1)
                        {
                            if (worldIn.getBlockState(pos.add(k, i1, l)).getBlock() == this)
                            {
                                --j;

                                if (j <= 0)
                                {
                                    flag = true;
                                    break label181;
                                }
                            }
                        }
                    }
                }

                EnumFacing enumfacing1 = EnumFacing.random(rand);
                BlockPos blockpos2 = pos.up();

                if (enumfacing1 == EnumFacing.UP && pos.getY() < 255 && worldIn.isAirBlock(blockpos2))
                {
                    IBlockState iblockstate2 = state;

                    for (EnumFacing enumfacing2 : EnumFacing.Plane.HORIZONTAL)
                    {
                        if (rand.nextBoolean() && this.canAttachTo(worldIn, blockpos2, enumfacing2.getOpposite()))
                        {
                            iblockstate2 = iblockstate2.withProperty(getPropertyFor(enumfacing2), Boolean.valueOf(true));
                        }
                        else
                        {
                            iblockstate2 = iblockstate2.withProperty(getPropertyFor(enumfacing2), Boolean.valueOf(false));
                        }
                    }

                    if (((Boolean)iblockstate2.getValue(NORTH)).booleanValue() || ((Boolean)iblockstate2.getValue(EAST)).booleanValue() || ((Boolean)iblockstate2.getValue(SOUTH)).booleanValue() || ((Boolean)iblockstate2.getValue(WEST)).booleanValue())
                    {
                        worldIn.setBlockState(blockpos2, iblockstate2, 2);
                    }
                }
                else if (enumfacing1.getAxis().isHorizontal() && !((Boolean)state.getValue(getPropertyFor(enumfacing1))).booleanValue())
                {
                    if (!flag)
                    {
                        BlockPos blockpos4 = pos.offset(enumfacing1);
                        IBlockState iblockstate3 = worldIn.getBlockState(blockpos4);
                        Block block1 = iblockstate3.getBlock();

                        if (block1.isAir(iblockstate3, worldIn, blockpos4))
                        {
                            EnumFacing enumfacing3 = enumfacing1.rotateY();
                            EnumFacing enumfacing4 = enumfacing1.rotateYCCW();
                            boolean flag1 = ((Boolean)state.getValue(getPropertyFor(enumfacing3))).booleanValue();
                            boolean flag2 = ((Boolean)state.getValue(getPropertyFor(enumfacing4))).booleanValue();
                            BlockPos blockpos = blockpos4.offset(enumfacing3);
                            BlockPos blockpos1 = blockpos4.offset(enumfacing4);

                            if (flag1 && this.canAttachTo(worldIn, blockpos.offset(enumfacing3), enumfacing3))
                            {
                                worldIn.setBlockState(blockpos4, this.getDefaultState().withProperty(getPropertyFor(enumfacing3), Boolean.valueOf(true)), 2);
                            }
                            else if (flag2 && this.canAttachTo(worldIn, blockpos1.offset(enumfacing4), enumfacing4))
                            {
                                worldIn.setBlockState(blockpos4, this.getDefaultState().withProperty(getPropertyFor(enumfacing4), Boolean.valueOf(true)), 2);
                            }
                            else if (flag1 && worldIn.isAirBlock(blockpos) && this.canAttachTo(worldIn, blockpos, enumfacing1))
                            {
                                worldIn.setBlockState(blockpos, this.getDefaultState().withProperty(getPropertyFor(enumfacing1.getOpposite()), Boolean.valueOf(true)), 2);
                            }
                            else if (flag2 && worldIn.isAirBlock(blockpos1) && this.canAttachTo(worldIn, blockpos1, enumfacing1))
                            {
                                worldIn.setBlockState(blockpos1, this.getDefaultState().withProperty(getPropertyFor(enumfacing1.getOpposite()), Boolean.valueOf(true)), 2);
                            }
                        }
                        else if (iblockstate3.getBlockFaceShape(worldIn, blockpos4, enumfacing1) == BlockFaceShape.SOLID)
                        {
                            worldIn.setBlockState(pos, state.withProperty(getPropertyFor(enumfacing1), Boolean.valueOf(true)), 2);
                        }
                    }
                }
                else
                {
                    if (pos.getY() > 1)
                    {
                        BlockPos blockpos3 = pos.down();
                        IBlockState iblockstate = worldIn.getBlockState(blockpos3);
                        Block block = iblockstate.getBlock();

                        if (block.blockMaterial == Material.AIR)
                        {
                            IBlockState iblockstate1 = state;

                            for (EnumFacing enumfacing : EnumFacing.Plane.HORIZONTAL)
                            {
                                if (rand.nextBoolean())
                                {
                                    iblockstate1 = iblockstate1.withProperty(getPropertyFor(enumfacing), Boolean.valueOf(false));
                                }
                            }

                            if (((Boolean)iblockstate1.getValue(NORTH)).booleanValue() || ((Boolean)iblockstate1.getValue(EAST)).booleanValue() || ((Boolean)iblockstate1.getValue(SOUTH)).booleanValue() || ((Boolean)iblockstate1.getValue(WEST)).booleanValue())
                            {
                                worldIn.setBlockState(blockpos3, iblockstate1, 2);
                            }
                        }
                        else if (block == this)
                        {
                            IBlockState iblockstate4 = iblockstate;

                            for (EnumFacing enumfacing5 : EnumFacing.Plane.HORIZONTAL)
                            {
                                PropertyBool propertybool = getPropertyFor(enumfacing5);

                                if (rand.nextBoolean() && ((Boolean)state.getValue(propertybool)).booleanValue())
                                {
                                    iblockstate4 = iblockstate4.withProperty(propertybool, Boolean.valueOf(true));
                                }
                            }

                            if (((Boolean)iblockstate4.getValue(NORTH)).booleanValue() || ((Boolean)iblockstate4.getValue(EAST)).booleanValue() || ((Boolean)iblockstate4.getValue(SOUTH)).booleanValue() || ((Boolean)iblockstate4.getValue(WEST)).booleanValue())
                            {
                                worldIn.setBlockState(blockpos3, iblockstate4, 2);
                            }
                        }
                    }
                }
            }
        }
    }

    /**
     * Called by ItemBlocks just before a block is actually set in the world, to allow for adjustments to the
     * IBlockstate
     */
    public IBlockState getStateForPlacement(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer)
    {
        IBlockState iblockstate = this.getDefaultState().withProperty(UP, Boolean.valueOf(false)).withProperty(NORTH, Boolean.valueOf(false)).withProperty(EAST, Boolean.valueOf(false)).withProperty(SOUTH, Boolean.valueOf(false)).withProperty(WEST, Boolean.valueOf(false));
        return facing.getAxis().isHorizontal() ? iblockstate.withProperty(getPropertyFor(facing.getOpposite()), Boolean.valueOf(true)) : iblockstate;
    }

    /**
     * Get the Item that this Block should drop when harvested.
     */
    public Item getItemDropped(IBlockState state, Random rand, int fortune)
    {
        return Items.AIR;
    }

    /**
     * Returns the quantity of items to drop on block destruction.
     */
    public int quantityDropped(Random random)
    {
        return 0;
    }

    /**
     * Spawns the block's drops in the world. By the time this is called the Block has possibly been set to air via
     * Block.removedByPlayer
     */
    public void harvestBlock(World worldIn, EntityPlayer player, BlockPos pos, IBlockState state, @Nullable TileEntity te, ItemStack stack)
    {
        if (!worldIn.isRemote && stack.getItem() == Items.SHEARS)
        {
            player.addStat(StatList.getBlockStats(this));
            spawnAsEntity(worldIn, pos, new ItemStack(Blocks.VINE, 1, 0));
        }
        else
        {
            super.harvestBlock(worldIn, player, pos, state, te, stack);
        }
    }

    /**
     * Convert the given metadata into a BlockState for this Block
     */
    public IBlockState getStateFromMeta(int meta)
    {
        return this.getDefaultState().withProperty(SOUTH, Boolean.valueOf((meta & 1) > 0)).withProperty(WEST, Boolean.valueOf((meta & 2) > 0)).withProperty(NORTH, Boolean.valueOf((meta & 4) > 0)).withProperty(EAST, Boolean.valueOf((meta & 8) > 0));
    }

    @SideOnly(Side.CLIENT)
    public BlockRenderLayer getBlockLayer()
    {
        return BlockRenderLayer.CUTOUT;
    }

    /**
     * Convert the BlockState into the correct metadata value
     */
    public int getMetaFromState(IBlockState state)
    {
        int i = 0;

        if (((Boolean)state.getValue(SOUTH)).booleanValue())
        {
            i |= 1;
        }

        if (((Boolean)state.getValue(WEST)).booleanValue())
        {
            i |= 2;
        }

        if (((Boolean)state.getValue(NORTH)).booleanValue())
        {
            i |= 4;
        }

        if (((Boolean)state.getValue(EAST)).booleanValue())
        {
            i |= 8;
        }

        return i;
    }

    protected BlockStateContainer createBlockState()
    {
        return new BlockStateContainer(this, new IProperty[] {UP, NORTH, EAST, SOUTH, WEST});
    }

    /**
     * Returns the blockstate with the given rotation from the passed blockstate. If inapplicable, returns the passed
     * blockstate.
     */
    public IBlockState withRotation(IBlockState state, Rotation rot)
    {
        switch (rot)
        {
            case CLOCKWISE_180:
                return state.withProperty(NORTH, state.getValue(SOUTH)).withProperty(EAST, state.getValue(WEST)).withProperty(SOUTH, state.getValue(NORTH)).withProperty(WEST, state.getValue(EAST));
            case COUNTERCLOCKWISE_90:
                return state.withProperty(NORTH, state.getValue(EAST)).withProperty(EAST, state.getValue(SOUTH)).withProperty(SOUTH, state.getValue(WEST)).withProperty(WEST, state.getValue(NORTH));
            case CLOCKWISE_90:
                return state.withProperty(NORTH, state.getValue(WEST)).withProperty(EAST, state.getValue(NORTH)).withProperty(SOUTH, state.getValue(EAST)).withProperty(WEST, state.getValue(SOUTH));
            default:
                return state;
        }
    }

    /**
     * Returns the blockstate with the given mirror of the passed blockstate. If inapplicable, returns the passed
     * blockstate.
     */
    public IBlockState withMirror(IBlockState state, Mirror mirrorIn)
    {
        switch (mirrorIn)
        {
            case LEFT_RIGHT:
                return state.withProperty(NORTH, state.getValue(SOUTH)).withProperty(SOUTH, state.getValue(NORTH));
            case FRONT_BACK:
                return state.withProperty(EAST, state.getValue(WEST)).withProperty(WEST, state.getValue(EAST));
            default:
                return super.withMirror(state, mirrorIn);
        }
    }

    public static PropertyBool getPropertyFor(EnumFacing side)
    {
        switch (side)
        {
            case UP:
                return UP;
            case NORTH:
                return NORTH;
            case SOUTH:
                return SOUTH;
            case WEST:
                return WEST;
            case EAST:
                return EAST;
            default:
                throw new IllegalArgumentException(side + " is an invalid choice");
        }
    }

    public static int getNumGrownFaces(IBlockState state)
    {
        int i = 0;

        for (PropertyBool propertybool : ALL_FACES)
        {
            if (((Boolean)state.getValue(propertybool)).booleanValue())
            {
                ++i;
            }
        }

        return i;
    }
    /*************************FORGE START***********************************/
    @Override public boolean isLadder(IBlockState state, IBlockAccess world, BlockPos pos, EntityLivingBase entity){ return true; }
    @Override public boolean isShearable(ItemStack item, IBlockAccess world, BlockPos pos){ return true; }
    @Override
    public java.util.List<ItemStack> onSheared(ItemStack item, IBlockAccess world, BlockPos pos, int fortune)
    {
        return java.util.Arrays.asList(new ItemStack(this, 1));
    }
    /*************************FORGE END***********************************/


    /**
     * Get the geometry of the queried face at the given position and state. This is used to decide whether things like
     * buttons are allowed to be placed on the face, or how glass panes connect to the face, among other things.
     * <p>
     * Common values are {@code SOLID}, which is the default, and {@code UNDEFINED}, which represents something that
     * does not fit the other descriptions and will generally cause other things not to connect to the face.
     * 
     * @return an approximation of the form of the given face
     */
    public BlockFaceShape getBlockFaceShape(IBlockAccess worldIn, IBlockState state, BlockPos pos, EnumFacing face)
    {
        return BlockFaceShape.UNDEFINED;
    }
}