001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.List;
006    import java.util.Random;
007    
008    import net.minecraftforge.event.terraingen.TerrainGen;
009    
010    public class BlockSapling extends BlockFlower
011    {
012        public static final String[] WOOD_TYPES = new String[] {"oak", "spruce", "birch", "jungle"};
013    
014        protected BlockSapling(int par1, int par2)
015        {
016            super(par1, par2);
017            float var3 = 0.4F;
018            this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, var3 * 2.0F, 0.5F + var3);
019            this.setCreativeTab(CreativeTabs.tabDecorations);
020        }
021    
022        /**
023         * Ticks the block if it's been scheduled
024         */
025        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
026        {
027            if (!par1World.isRemote)
028            {
029                super.updateTick(par1World, par2, par3, par4, par5Random);
030    
031                if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9 && par5Random.nextInt(7) == 0)
032                {
033                    int var6 = par1World.getBlockMetadata(par2, par3, par4);
034    
035                    if ((var6 & 8) == 0)
036                    {
037                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8);
038                    }
039                    else
040                    {
041                        this.growTree(par1World, par2, par3, par4, par5Random);
042                    }
043                }
044            }
045        }
046    
047        /**
048         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
049         */
050        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
051        {
052            par2 &= 3;
053            return par2 == 1 ? 63 : (par2 == 2 ? 79 : (par2 == 3 ? 30 : super.getBlockTextureFromSideAndMetadata(par1, par2)));
054        }
055    
056        /**
057         * Attempts to grow a sapling into a tree
058         */
059        public void growTree(World par1World, int par2, int par3, int par4, Random par5Random)
060        {
061            if (!TerrainGen.saplingGrowTree(par1World, par5Random, par2, par3, par4)) return;
062            
063            int var6 = par1World.getBlockMetadata(par2, par3, par4) & 3;
064            Object var7 = null;
065            int var8 = 0;
066            int var9 = 0;
067            boolean var10 = false;
068    
069            if (var6 == 1)
070            {
071                var7 = new WorldGenTaiga2(true);
072            }
073            else if (var6 == 2)
074            {
075                var7 = new WorldGenForest(true);
076            }
077            else if (var6 == 3)
078            {
079                for (var8 = 0; var8 >= -1; --var8)
080                {
081                    for (var9 = 0; var9 >= -1; --var9)
082                    {
083                        if (this.isSameSapling(par1World, par2 + var8, par3, par4 + var9, 3) && this.isSameSapling(par1World, par2 + var8 + 1, par3, par4 + var9, 3) && this.isSameSapling(par1World, par2 + var8, par3, par4 + var9 + 1, 3) && this.isSameSapling(par1World, par2 + var8 + 1, par3, par4 + var9 + 1, 3))
084                        {
085                            var7 = new WorldGenHugeTrees(true, 10 + par5Random.nextInt(20), 3, 3);
086                            var10 = true;
087                            break;
088                        }
089                    }
090    
091                    if (var7 != null)
092                    {
093                        break;
094                    }
095                }
096    
097                if (var7 == null)
098                {
099                    var9 = 0;
100                    var8 = 0;
101                    var7 = new WorldGenTrees(true, 4 + par5Random.nextInt(7), 3, 3, false);
102                }
103            }
104            else
105            {
106                var7 = new WorldGenTrees(true);
107    
108                if (par5Random.nextInt(10) == 0)
109                {
110                    var7 = new WorldGenBigTree(true);
111                }
112            }
113    
114            if (var10)
115            {
116                par1World.setBlock(par2 + var8, par3, par4 + var9, 0);
117                par1World.setBlock(par2 + var8 + 1, par3, par4 + var9, 0);
118                par1World.setBlock(par2 + var8, par3, par4 + var9 + 1, 0);
119                par1World.setBlock(par2 + var8 + 1, par3, par4 + var9 + 1, 0);
120            }
121            else
122            {
123                par1World.setBlock(par2, par3, par4, 0);
124            }
125    
126            if (!((WorldGenerator)var7).generate(par1World, par5Random, par2 + var8, par3, par4 + var9))
127            {
128                if (var10)
129                {
130                    par1World.setBlockAndMetadata(par2 + var8, par3, par4 + var9, this.blockID, var6);
131                    par1World.setBlockAndMetadata(par2 + var8 + 1, par3, par4 + var9, this.blockID, var6);
132                    par1World.setBlockAndMetadata(par2 + var8, par3, par4 + var9 + 1, this.blockID, var6);
133                    par1World.setBlockAndMetadata(par2 + var8 + 1, par3, par4 + var9 + 1, this.blockID, var6);
134                }
135                else
136                {
137                    par1World.setBlockAndMetadata(par2, par3, par4, this.blockID, var6);
138                }
139            }
140        }
141    
142        /**
143         * Determines if the same sapling is present at the given location.
144         */
145        public boolean isSameSapling(World par1World, int par2, int par3, int par4, int par5)
146        {
147            return par1World.getBlockId(par2, par3, par4) == this.blockID && (par1World.getBlockMetadata(par2, par3, par4) & 3) == par5;
148        }
149    
150        /**
151         * Determines the damage on the item the block drops. Used in cloth and wood.
152         */
153        public int damageDropped(int par1)
154        {
155            return par1 & 3;
156        }
157    
158        @SideOnly(Side.CLIENT)
159    
160        /**
161         * returns a list of blocks with the same ID, but different meta (eg: wood returns 4 blocks)
162         */
163        public void getSubBlocks(int par1, CreativeTabs par2CreativeTabs, List par3List)
164        {
165            par3List.add(new ItemStack(par1, 1, 0));
166            par3List.add(new ItemStack(par1, 1, 1));
167            par3List.add(new ItemStack(par1, 1, 2));
168            par3List.add(new ItemStack(par1, 1, 3));
169        }
170    }