package net.minecraft.server;

import java.util.Random;

import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit

public class BlockCrops extends BlockPlant implements IBlockFragilePlantElement {

    public static final BlockStateInteger AGE = BlockStateInteger.of("age", 0, 7);

    protected BlockCrops() {
        this.j(this.blockStateList.getBlockData().set(BlockCrops.AGE, Integer.valueOf(0)));
        this.a(true);
        float f = 0.5F;

        this.a(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.25F, 0.5F + f);
        this.a((CreativeModeTab) null);
        this.c(0.0F);
        this.a(BlockCrops.h);
        this.K();
    }

    protected boolean c(Block block) {
        return block == Blocks.FARMLAND;
    }

    public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
        super.b(world, blockposition, iblockdata, random);
        if (world.getLightLevel(blockposition.up()) >= 9) {
            int i = ((Integer) iblockdata.get(BlockCrops.AGE)).intValue();

            if (i < 7) {
                float f = a((Block) this, world, blockposition);

                if (random.nextInt((int) (world.growthOdds / world.spigotConfig.wheatModifier * (25.0F / f)) + 1) == 0) { // Spigot                    // CraftBukkit start
                    IBlockData data = iblockdata.set(AGE, Integer.valueOf(i + 1));
                    CraftEventFactory.handleBlockGrowEvent(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this, toLegacyData(data));
                    // CraftBukkit end
                }
            }
        }

    }

    public void g(World world, BlockPosition blockposition, IBlockData iblockdata) {
        int i = ((Integer) iblockdata.get(BlockCrops.AGE)).intValue() + MathHelper.nextInt(world.random, 2, 5);

        if (i > 7) {
            i = 7;
        }

        // CraftBukkit start
        IBlockData data = iblockdata.set(AGE, Integer.valueOf(i));
        CraftEventFactory.handleBlockGrowEvent(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this, toLegacyData(data));
        // CraftBukkit end
    }

    protected static float a(Block block, World world, BlockPosition blockposition) {
        float f = 1.0F;
        BlockPosition blockposition1 = blockposition.down();

        for (int i = -1; i <= 1; ++i) {
            for (int j = -1; j <= 1; ++j) {
                float f1 = 0.0F;
                IBlockData iblockdata = world.getType(blockposition1.a(i, 0, j));

                if (iblockdata.getBlock() == Blocks.FARMLAND) {
                    f1 = 1.0F;
                    if (((Integer) iblockdata.get(BlockSoil.MOISTURE)).intValue() > 0) {
                        f1 = 3.0F;
                    }
                }

                if (i != 0 || j != 0) {
                    f1 /= 4.0F;
                }

                f += f1;
            }
        }

        BlockPosition blockposition2 = blockposition.north();
        BlockPosition blockposition3 = blockposition.south();
        BlockPosition blockposition4 = blockposition.west();
        BlockPosition blockposition5 = blockposition.east();
        boolean flag = block == world.getType(blockposition4).getBlock() || block == world.getType(blockposition5).getBlock();
        boolean flag1 = block == world.getType(blockposition2).getBlock() || block == world.getType(blockposition3).getBlock();

        if (flag && flag1) {
            f /= 2.0F;
        } else {
            boolean flag2 = block == world.getType(blockposition4.north()).getBlock() || block == world.getType(blockposition5.north()).getBlock() || block == world.getType(blockposition5.south()).getBlock() || block == world.getType(blockposition4.south()).getBlock();

            if (flag2) {
                f /= 2.0F;
            }
        }

        return f;
    }

    public boolean f(World world, BlockPosition blockposition, IBlockData iblockdata) {
        return (world.k(blockposition) >= 8 || world.i(blockposition)) && this.c(world.getType(blockposition.down()).getBlock());
    }

    protected Item l() {
        return Items.WHEAT_SEEDS;
    }

    protected Item n() {
        return Items.WHEAT;
    }

    public void dropNaturally(World world, BlockPosition blockposition, IBlockData iblockdata, float f, int i) {
        super.dropNaturally(world, blockposition, iblockdata, f, 0);
        if (!world.isClientSide) {
            int j = ((Integer) iblockdata.get(BlockCrops.AGE)).intValue();

            if (j >= 7) {
                int k = 3 + i;

                for (int l = 0; l < k; ++l) {
                    if (world.random.nextInt(15) <= j) {
                        a(world, blockposition, new ItemStack(this.l(), 1, 0));
                    }
                }
            }

        }
    }

    public Item getDropType(IBlockData iblockdata, Random random, int i) {
        return ((Integer) iblockdata.get(BlockCrops.AGE)).intValue() == 7 ? this.n() : this.l();
    }

    public boolean a(World world, BlockPosition blockposition, IBlockData iblockdata, boolean flag) {
        return ((Integer) iblockdata.get(BlockCrops.AGE)).intValue() < 7;
    }

    public boolean a(World world, Random random, BlockPosition blockposition, IBlockData iblockdata) {
        return true;
    }

    public void b(World world, Random random, BlockPosition blockposition, IBlockData iblockdata) {
        this.g(world, blockposition, iblockdata);
    }

    public IBlockData fromLegacyData(int i) {
        return this.getBlockData().set(BlockCrops.AGE, Integer.valueOf(i));
    }

    public int toLegacyData(IBlockData iblockdata) {
        return ((Integer) iblockdata.get(BlockCrops.AGE)).intValue();
    }

    protected BlockStateList getStateList() {
        return new BlockStateList(this, new IBlockState[] { BlockCrops.AGE});
    }
}