    001package net.minecraft.block;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.List;
    006import java.util.Random;
    007import net.minecraft.client.renderer.texture.IconRegister;
    008import net.minecraft.creativetab.CreativeTabs;
    009import net.minecraft.item.ItemStack;
    010import net.minecraft.util.Icon;
    011import net.minecraft.world.World;
    012import net.minecraft.world.gen.feature.WorldGenBigTree;
    013import net.minecraft.world.gen.feature.WorldGenForest;
    014import net.minecraft.world.gen.feature.WorldGenHugeTrees;
    015import net.minecraft.world.gen.feature.WorldGenTaiga2;
    016import net.minecraft.world.gen.feature.WorldGenTrees;
    017import net.minecraft.world.gen.feature.WorldGenerator;
    018
    019import net.minecraftforge.event.terraingen.TerrainGen;
    020
    021public class BlockSapling extends BlockFlower
    022{
    023    public static final String[] WOOD_TYPES = new String[] {"oak", "spruce", "birch", "jungle"};
    024    private static final String[] field_94370_b = new String[] {"sapling", "sapling_spruce", "sapling_birch", "sapling_jungle"};
    025    @SideOnly(Side.CLIENT)
    026    private Icon[] saplingIcon;
    027
    028    protected BlockSapling(int par1)
    029    {
    030        super(par1);
    031        float f = 0.4F;
    032        this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, f * 2.0F, 0.5F + f);
    033        this.setCreativeTab(CreativeTabs.tabDecorations);
    034    }
    035
    036    /**
    037     * Ticks the block if it's been scheduled
    038     */
    039    public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    040    {
    041        if (!par1World.isRemote)
    042        {
    043            super.updateTick(par1World, par2, par3, par4, par5Random);
    044
    045            if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9 && par5Random.nextInt(7) == 0)
    046            {
    047                this.func_96477_c(par1World, par2, par3, par4, par5Random);
    048            }
    049        }
    050    }
    051
    052    @SideOnly(Side.CLIENT)
    053
    054    /**
    055     * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
    056     */
    057    public Icon getIcon(int par1, int par2)
    058    {
    059        par2 &= 3;
    060        return this.saplingIcon[par2];
    061    }
    062
    063    public void func_96477_c(World par1World, int par2, int par3, int par4, Random par5Random)
    064    {
    065        int l = par1World.getBlockMetadata(par2, par3, par4);
    066
    067        if ((l & 8) == 0)
    068        {
    069            par1World.setBlockMetadataWithNotify(par2, par3, par4, l | 8, 4);
    070        }
    071        else
    072        {
    073            this.growTree(par1World, par2, par3, par4, par5Random);
    074        }
    075    }
    076
    077    /**
    078     * Attempts to grow a sapling into a tree
    079     */
    080    public void growTree(World par1World, int par2, int par3, int par4, Random par5Random)
    081    {
    082        if (!TerrainGen.saplingGrowTree(par1World, par5Random, par2, par3, par4)) return;
    083
    084        int l = par1World.getBlockMetadata(par2, par3, par4) & 3;
    085        Object object = null;
    086        int i1 = 0;
    087        int j1 = 0;
    088        boolean flag = false;
    089
    090        if (l == 1)
    091        {
    092            object = new WorldGenTaiga2(true);
    093        }
    094        else if (l == 2)
    095        {
    096            object = new WorldGenForest(true);
    097        }
    098        else if (l == 3)
    099        {
    100            for (i1 = 0; i1 >= -1; --i1)
    101            {
    102                for (j1 = 0; j1 >= -1; --j1)
    103                {
    104                    if (this.isSameSapling(par1World, par2 + i1, par3, par4 + j1, 3) && this.isSameSapling(par1World, par2 + i1 + 1, par3, par4 + j1, 3) && this.isSameSapling(par1World, par2 + i1, par3, par4 + j1 + 1, 3) && this.isSameSapling(par1World, par2 + i1 + 1, par3, par4 + j1 + 1, 3))
    105                    {
    106                        object = new WorldGenHugeTrees(true, 10 + par5Random.nextInt(20), 3, 3);
    107                        flag = true;
    108                        break;
    109                    }
    110                }
    111
    112                if (object != null)
    113                {
    114                    break;
    115                }
    116            }
    117
    118            if (object == null)
    119            {
    120                j1 = 0;
    121                i1 = 0;
    122                object = new WorldGenTrees(true, 4 + par5Random.nextInt(7), 3, 3, false);
    123            }
    124        }
    125        else
    126        {
    127            object = new WorldGenTrees(true);
    128
    129            if (par5Random.nextInt(10) == 0)
    130            {
    131                object = new WorldGenBigTree(true);
    132            }
    133        }
    134
    135        if (flag)
    136        {
    137            par1World.setBlock(par2 + i1, par3, par4 + j1, 0, 0, 4);
    138            par1World.setBlock(par2 + i1 + 1, par3, par4 + j1, 0, 0, 4);
    139            par1World.setBlock(par2 + i1, par3, par4 + j1 + 1, 0, 0, 4);
    140            par1World.setBlock(par2 + i1 + 1, par3, par4 + j1 + 1, 0, 0, 4);
    141        }
    142        else
    143        {
    144            par1World.setBlock(par2, par3, par4, 0, 0, 4);
    145        }
    146
    147        if (!((WorldGenerator)object).generate(par1World, par5Random, par2 + i1, par3, par4 + j1))
    148        {
    149            if (flag)
    150            {
    151                par1World.setBlock(par2 + i1, par3, par4 + j1, this.blockID, l, 4);
    152                par1World.setBlock(par2 + i1 + 1, par3, par4 + j1, this.blockID, l, 4);
    153                par1World.setBlock(par2 + i1, par3, par4 + j1 + 1, this.blockID, l, 4);
    154                par1World.setBlock(par2 + i1 + 1, par3, par4 + j1 + 1, this.blockID, l, 4);
    155            }
    156            else
    157            {
    158                par1World.setBlock(par2, par3, par4, this.blockID, l, 4);
    159            }
    160        }
    161    }
    162
    163    /**
    164     * Determines if the same sapling is present at the given location.
    165     */
    166    public boolean isSameSapling(World par1World, int par2, int par3, int par4, int par5)
    167    {
    168        return par1World.getBlockId(par2, par3, par4) == this.blockID && (par1World.getBlockMetadata(par2, par3, par4) & 3) == par5;
    169    }
    170
    171    /**
    172     * Determines the damage on the item the block drops. Used in cloth and wood.
    173     */
    174    public int damageDropped(int par1)
    175    {
    176        return par1 & 3;
    177    }
    178
    179    @SideOnly(Side.CLIENT)
    180
    181    /**
    182     * returns a list of blocks with the same ID, but different meta (eg: wood returns 4 blocks)
    183     */
    184    public void getSubBlocks(int par1, CreativeTabs par2CreativeTabs, List par3List)
    185    {
    186        par3List.add(new ItemStack(par1, 1, 0));
    187        par3List.add(new ItemStack(par1, 1, 1));
    188        par3List.add(new ItemStack(par1, 1, 2));
    189        par3List.add(new ItemStack(par1, 1, 3));
    190    }
    191
    192    @SideOnly(Side.CLIENT)
    193
    194    /**
    195     * When this method is called, your block should register all the icons it needs with the given IconRegister. This
    196     * is the only chance you get to register icons.
    197     */
    198    public void registerIcons(IconRegister par1IconRegister)
    199    {
    200        this.saplingIcon = new Icon[field_94370_b.length];
    201
    202        for (int i = 0; i < this.saplingIcon.length; ++i)
    203        {
    204            this.saplingIcon[i] = par1IconRegister.registerIcon(field_94370_b[i]);
    205        }
    206    }
    207}