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 public class BlockLog extends Block 009 { 010 /** The type of tree this log came from. */ 011 public static final String[] woodType = new String[] {"oak", "spruce", "birch", "jungle"}; 012 013 protected BlockLog(int par1) 014 { 015 super(par1, Material.wood); 016 this.blockIndexInTexture = 20; 017 this.setCreativeTab(CreativeTabs.tabBlock); 018 } 019 020 /** 021 * The type of render function that is called for this block 022 */ 023 public int getRenderType() 024 { 025 return 31; 026 } 027 028 /** 029 * Returns the quantity of items to drop on block destruction. 030 */ 031 public int quantityDropped(Random par1Random) 032 { 033 return 1; 034 } 035 036 /** 037 * Returns the ID of the items to drop on destruction. 038 */ 039 public int idDropped(int par1, Random par2Random, int par3) 040 { 041 return Block.wood.blockID; 042 } 043 044 /** 045 * ejects contained items into the world, and notifies neighbours of an update, as appropriate 046 */ 047 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6) 048 { 049 byte var7 = 4; 050 int var8 = var7 + 1; 051 052 if (par1World.checkChunksExist(par2 - var8, par3 - var8, par4 - var8, par2 + var8, par3 + var8, par4 + var8)) 053 { 054 for (int var9 = -var7; var9 <= var7; ++var9) 055 { 056 for (int var10 = -var7; var10 <= var7; ++var10) 057 { 058 for (int var11 = -var7; var11 <= var7; ++var11) 059 { 060 int var12 = par1World.getBlockId(par2 + var9, par3 + var10, par4 + var11); 061 062 if (Block.blocksList[var12] != null) 063 { 064 Block.blocksList[var12].beginLeavesDecay(par1World, par2 + var9, par3 + var10, par4 + var11); 065 } 066 } 067 } 068 } 069 } 070 } 071 072 /** 073 * called before onBlockPlacedBy by ItemBlock and ItemReed 074 */ 075 public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8) 076 { 077 int var9 = par1World.getBlockMetadata(par2, par3, par4) & 3; 078 byte var10 = 0; 079 080 switch (par5) 081 { 082 case 0: 083 case 1: 084 var10 = 0; 085 break; 086 case 2: 087 case 3: 088 var10 = 8; 089 break; 090 case 4: 091 case 5: 092 var10 = 4; 093 } 094 095 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9 | var10); 096 } 097 098 /** 099 * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata 100 */ 101 public int getBlockTextureFromSideAndMetadata(int par1, int par2) 102 { 103 int var3 = par2 & 12; 104 int var4 = par2 & 3; 105 return var3 == 0 && (par1 == 1 || par1 == 0) ? 21 : (var3 == 4 && (par1 == 5 || par1 == 4) ? 21 : (var3 == 8 && (par1 == 2 || par1 == 3) ? 21 : (var4 == 1 ? 116 : (var4 == 2 ? 117 : (var4 == 3 ? 153 : 20))))); 106 } 107 108 /** 109 * Determines the damage on the item the block drops. Used in cloth and wood. 110 */ 111 public int damageDropped(int par1) 112 { 113 return par1 & 3; 114 } 115 116 /** 117 * returns a number between 0 and 3 118 */ 119 public static int limitToValidMetadata(int par0) 120 { 121 return par0 & 3; 122 } 123 124 @SideOnly(Side.CLIENT) 125 126 /** 127 * returns a list of blocks with the same ID, but different meta (eg: wood returns 4 blocks) 128 */ 129 public void getSubBlocks(int par1, CreativeTabs par2CreativeTabs, List par3List) 130 { 131 par3List.add(new ItemStack(par1, 1, 0)); 132 par3List.add(new ItemStack(par1, 1, 1)); 133 par3List.add(new ItemStack(par1, 1, 2)); 134 par3List.add(new ItemStack(par1, 1, 3)); 135 } 136 137 /** 138 * Returns an item stack containing a single instance of the current block type. 'i' is the block's subtype/damage 139 * and is ignored for blocks which do not support subtypes. Blocks which cannot be harvested should return null. 140 */ 141 protected ItemStack createStackedBlock(int par1) 142 { 143 return new ItemStack(this.blockID, 1, limitToValidMetadata(par1)); 144 } 145 146 @Override 147 public boolean canSustainLeaves(World world, int x, int y, int z) 148 { 149 return true; 150 } 151 152 @Override 153 public boolean isWood(World world, int x, int y, int z) 154 { 155 return true; 156 } 157 }