WorldGenHugeTrees.java

package net.minecraft.world.gen.feature;

import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public abstract class WorldGenHugeTrees extends WorldGenAbstractTree
{
    /** The base height of the tree */
    protected final int baseHeight;

    /** Sets the metadata for the wood blocks used */
    protected final int woodMetadata;

    /** Sets the metadata for the leaves used in huge trees */
    protected final int leavesMetadata;
    protected int field_150538_d;
    private static final String __OBFID = "CL_00000423";

    public WorldGenHugeTrees(boolean p_i45458_1_, int p_i45458_2_, int p_i45458_3_, int p_i45458_4_, int p_i45458_5_)
    {
        super(p_i45458_1_);
        this.baseHeight = p_i45458_2_;
        this.field_150538_d = p_i45458_3_;
        this.woodMetadata = p_i45458_4_;
        this.leavesMetadata = p_i45458_5_;
    }

    protected int func_150533_a(Random p_150533_1_)
    {
        int var2 = p_150533_1_.nextInt(3) + this.baseHeight;

        if (this.field_150538_d > 1)
        {
            var2 += p_150533_1_.nextInt(this.field_150538_d);
        }

        return var2;
    }

    private boolean func_175926_c(World worldIn, BlockPos p_175926_2_, int p_175926_3_)
    {
        boolean var4 = true;

        if (p_175926_2_.getY() >= 1 && p_175926_2_.getY() + p_175926_3_ + 1 <= 256)
        {
            for (int var5 = 0; var5 <= 1 + p_175926_3_; ++var5)
            {
                byte var6 = 2;

                if (var5 == 0)
                {
                    var6 = 1;
                }
                else if (var5 >= 1 + p_175926_3_ - 2)
                {
                    var6 = 2;
                }

                for (int var7 = -var6; var7 <= var6 && var4; ++var7)
                {
                    for (int var8 = -var6; var8 <= var6 && var4; ++var8)
                    {
                        if (p_175926_2_.getY() + var5 < 0 || p_175926_2_.getY() + var5 >= 256 || !this.func_150523_a(worldIn.getBlockState(p_175926_2_.add(var7, var5, var8)).getBlock()))
                        {
                            var4 = false;
                        }
                    }
                }
            }

            return var4;
        }
        else
        {
            return false;
        }
    }

    private boolean func_175927_a(BlockPos p_175927_1_, World worldIn)
    {
        BlockPos var3 = p_175927_1_.offsetDown();
        Block var4 = worldIn.getBlockState(var3).getBlock();

        if ((var4 == Blocks.grass || var4 == Blocks.dirt) && p_175927_1_.getY() >= 2)
        {
            this.func_175921_a(worldIn, var3);
            this.func_175921_a(worldIn, var3.offsetEast());
            this.func_175921_a(worldIn, var3.offsetSouth());
            this.func_175921_a(worldIn, var3.offsetSouth().offsetEast());
            return true;
        }
        else
        {
            return false;
        }
    }

    protected boolean func_175929_a(World worldIn, Random p_175929_2_, BlockPos p_175929_3_, int p_175929_4_)
    {
        return this.func_175926_c(worldIn, p_175929_3_, p_175929_4_) && this.func_175927_a(p_175929_3_, worldIn);
    }

    protected void func_175925_a(World worldIn, BlockPos p_175925_2_, int p_175925_3_)
    {
        int var4 = p_175925_3_ * p_175925_3_;

        for (int var5 = -p_175925_3_; var5 <= p_175925_3_ + 1; ++var5)
        {
            for (int var6 = -p_175925_3_; var6 <= p_175925_3_ + 1; ++var6)
            {
                int var7 = var5 - 1;
                int var8 = var6 - 1;

                if (var5 * var5 + var6 * var6 <= var4 || var7 * var7 + var8 * var8 <= var4 || var5 * var5 + var8 * var8 <= var4 || var7 * var7 + var6 * var6 <= var4)
                {
                    BlockPos var9 = p_175925_2_.add(var5, 0, var6);
                    Material var10 = worldIn.getBlockState(var9).getBlock().getMaterial();

                    if (var10 == Material.air || var10 == Material.leaves)
                    {
                        this.func_175905_a(worldIn, var9, Blocks.leaves, this.leavesMetadata);
                    }
                }
            }
        }
    }

    protected void func_175928_b(World worldIn, BlockPos p_175928_2_, int p_175928_3_)
    {
        int var4 = p_175928_3_ * p_175928_3_;

        for (int var5 = -p_175928_3_; var5 <= p_175928_3_; ++var5)
        {
            for (int var6 = -p_175928_3_; var6 <= p_175928_3_; ++var6)
            {
                if (var5 * var5 + var6 * var6 <= var4)
                {
                    BlockPos var7 = p_175928_2_.add(var5, 0, var6);
                    Material var8 = worldIn.getBlockState(var7).getBlock().getMaterial();

                    if (var8 == Material.air || var8 == Material.leaves)
                    {
                        this.func_175905_a(worldIn, var7, Blocks.leaves, this.leavesMetadata);
                    }
                }
            }
        }
    }
}