001 package net.minecraft.block;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.util.List;
006 import java.util.Random;
007 import net.minecraft.creativetab.CreativeTabs;
008 import net.minecraft.item.ItemStack;
009 import net.minecraft.world.World;
010 import net.minecraft.world.gen.feature.WorldGenBigTree;
011 import net.minecraft.world.gen.feature.WorldGenForest;
012 import net.minecraft.world.gen.feature.WorldGenHugeTrees;
013 import net.minecraft.world.gen.feature.WorldGenTaiga2;
014 import net.minecraft.world.gen.feature.WorldGenTrees;
015 import net.minecraft.world.gen.feature.WorldGenerator;
016
017 import net.minecraftforge.event.terraingen.TerrainGen;
018
019 public class BlockSapling extends BlockFlower
020 {
021 public static final String[] WOOD_TYPES = new String[] {"oak", "spruce", "birch", "jungle"};
022
023 protected BlockSapling(int par1, int par2)
024 {
025 super(par1, par2);
026 float var3 = 0.4F;
027 this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, var3 * 2.0F, 0.5F + var3);
028 this.setCreativeTab(CreativeTabs.tabDecorations);
029 }
030
031 /**
032 * Ticks the block if it's been scheduled
033 */
034 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
035 {
036 if (!par1World.isRemote)
037 {
038 super.updateTick(par1World, par2, par3, par4, par5Random);
039
040 if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9 && par5Random.nextInt(7) == 0)
041 {
042 int var6 = par1World.getBlockMetadata(par2, par3, par4);
043
044 if ((var6 & 8) == 0)
045 {
046 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8);
047 }
048 else
049 {
050 this.growTree(par1World, par2, par3, par4, par5Random);
051 }
052 }
053 }
054 }
055
056 /**
057 * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
058 */
059 public int getBlockTextureFromSideAndMetadata(int par1, int par2)
060 {
061 par2 &= 3;
062 return par2 == 1 ? 63 : (par2 == 2 ? 79 : (par2 == 3 ? 30 : super.getBlockTextureFromSideAndMetadata(par1, par2)));
063 }
064
065 /**
066 * Attempts to grow a sapling into a tree
067 */
068 public void growTree(World par1World, int par2, int par3, int par4, Random par5Random)
069 {
070 if (!TerrainGen.saplingGrowTree(par1World, par5Random, par2, par3, par4)) return;
071
072 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 3;
073 Object var7 = null;
074 int var8 = 0;
075 int var9 = 0;
076 boolean var10 = false;
077
078 if (var6 == 1)
079 {
080 var7 = new WorldGenTaiga2(true);
081 }
082 else if (var6 == 2)
083 {
084 var7 = new WorldGenForest(true);
085 }
086 else if (var6 == 3)
087 {
088 for (var8 = 0; var8 >= -1; --var8)
089 {
090 for (var9 = 0; var9 >= -1; --var9)
091 {
092 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))
093 {
094 var7 = new WorldGenHugeTrees(true, 10 + par5Random.nextInt(20), 3, 3);
095 var10 = true;
096 break;
097 }
098 }
099
100 if (var7 != null)
101 {
102 break;
103 }
104 }
105
106 if (var7 == null)
107 {
108 var9 = 0;
109 var8 = 0;
110 var7 = new WorldGenTrees(true, 4 + par5Random.nextInt(7), 3, 3, false);
111 }
112 }
113 else
114 {
115 var7 = new WorldGenTrees(true);
116
117 if (par5Random.nextInt(10) == 0)
118 {
119 var7 = new WorldGenBigTree(true);
120 }
121 }
122
123 if (var10)
124 {
125 par1World.setBlock(par2 + var8, par3, par4 + var9, 0);
126 par1World.setBlock(par2 + var8 + 1, par3, par4 + var9, 0);
127 par1World.setBlock(par2 + var8, par3, par4 + var9 + 1, 0);
128 par1World.setBlock(par2 + var8 + 1, par3, par4 + var9 + 1, 0);
129 }
130 else
131 {
132 par1World.setBlock(par2, par3, par4, 0);
133 }
134
135 if (!((WorldGenerator)var7).generate(par1World, par5Random, par2 + var8, par3, par4 + var9))
136 {
137 if (var10)
138 {
139 par1World.setBlockAndMetadata(par2 + var8, par3, par4 + var9, this.blockID, var6);
140 par1World.setBlockAndMetadata(par2 + var8 + 1, par3, par4 + var9, this.blockID, var6);
141 par1World.setBlockAndMetadata(par2 + var8, par3, par4 + var9 + 1, this.blockID, var6);
142 par1World.setBlockAndMetadata(par2 + var8 + 1, par3, par4 + var9 + 1, this.blockID, var6);
143 }
144 else
145 {
146 par1World.setBlockAndMetadata(par2, par3, par4, this.blockID, var6);
147 }
148 }
149 }
150
151 /**
152 * Determines if the same sapling is present at the given location.
153 */
154 public boolean isSameSapling(World par1World, int par2, int par3, int par4, int par5)
155 {
156 return par1World.getBlockId(par2, par3, par4) == this.blockID && (par1World.getBlockMetadata(par2, par3, par4) & 3) == par5;
157 }
158
159 /**
160 * Determines the damage on the item the block drops. Used in cloth and wood.
161 */
162 public int damageDropped(int par1)
163 {
164 return par1 & 3;
165 }
166
167 @SideOnly(Side.CLIENT)
168
169 /**
170 * returns a list of blocks with the same ID, but different meta (eg: wood returns 4 blocks)
171 */
172 public void getSubBlocks(int par1, CreativeTabs par2CreativeTabs, List par3List)
173 {
174 par3List.add(new ItemStack(par1, 1, 0));
175 par3List.add(new ItemStack(par1, 1, 1));
176 par3List.add(new ItemStack(par1, 1, 2));
177 par3List.add(new ItemStack(par1, 1, 3));
178 }
179 }