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}