001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 006 import java.util.ArrayList; 007 import java.util.Random; 008 009 public class BlockCrops extends BlockFlower 010 { 011 protected BlockCrops(int par1, int par2) 012 { 013 super(par1, par2); 014 this.blockIndexInTexture = par2; 015 this.setTickRandomly(true); 016 float var3 = 0.5F; 017 this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.25F, 0.5F + var3); 018 this.setCreativeTab((CreativeTabs)null); 019 } 020 021 /** 022 * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of 023 * blockID passed in. Args: blockID 024 */ 025 protected boolean canThisPlantGrowOnThisBlockID(int par1) 026 { 027 return par1 == Block.tilledField.blockID; 028 } 029 030 /** 031 * Ticks the block if it's been scheduled 032 */ 033 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 034 { 035 super.updateTick(par1World, par2, par3, par4, par5Random); 036 037 if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9) 038 { 039 int var6 = par1World.getBlockMetadata(par2, par3, par4); 040 041 if (var6 < 7) 042 { 043 float var7 = this.getGrowthRate(par1World, par2, par3, par4); 044 045 if (par5Random.nextInt((int)(25.0F / var7) + 1) == 0) 046 { 047 ++var6; 048 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6); 049 } 050 } 051 } 052 } 053 054 /** 055 * Apply bonemeal to the crops. 056 */ 057 public void fertilize(World par1World, int par2, int par3, int par4) 058 { 059 par1World.setBlockMetadataWithNotify(par2, par3, par4, 7); 060 } 061 062 /** 063 * Gets the growth rate for the crop. Setup to encourage rows by halving growth rate if there is diagonals, crops on 064 * different sides that aren't opposing, and by adding growth for every crop next to this one (and for crop below 065 * this one). Args: x, y, z 066 */ 067 private float getGrowthRate(World par1World, int par2, int par3, int par4) 068 { 069 float var5 = 1.0F; 070 int var6 = par1World.getBlockId(par2, par3, par4 - 1); 071 int var7 = par1World.getBlockId(par2, par3, par4 + 1); 072 int var8 = par1World.getBlockId(par2 - 1, par3, par4); 073 int var9 = par1World.getBlockId(par2 + 1, par3, par4); 074 int var10 = par1World.getBlockId(par2 - 1, par3, par4 - 1); 075 int var11 = par1World.getBlockId(par2 + 1, par3, par4 - 1); 076 int var12 = par1World.getBlockId(par2 + 1, par3, par4 + 1); 077 int var13 = par1World.getBlockId(par2 - 1, par3, par4 + 1); 078 boolean var14 = var8 == this.blockID || var9 == this.blockID; 079 boolean var15 = var6 == this.blockID || var7 == this.blockID; 080 boolean var16 = var10 == this.blockID || var11 == this.blockID || var12 == this.blockID || var13 == this.blockID; 081 082 for (int var17 = par2 - 1; var17 <= par2 + 1; ++var17) 083 { 084 for (int var18 = par4 - 1; var18 <= par4 + 1; ++var18) 085 { 086 int var19 = par1World.getBlockId(var17, par3 - 1, var18); 087 float var20 = 0.0F; 088 089 if (var19 == Block.tilledField.blockID) 090 { 091 var20 = 1.0F; 092 093 if (par1World.getBlockMetadata(var17, par3 - 1, var18) > 0) 094 { 095 var20 = 3.0F; 096 } 097 } 098 099 if (var17 != par2 || var18 != par4) 100 { 101 var20 /= 4.0F; 102 } 103 104 var5 += var20; 105 } 106 } 107 108 if (var16 || var14 && var15) 109 { 110 var5 /= 2.0F; 111 } 112 113 return var5; 114 } 115 116 /** 117 * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata 118 */ 119 public int getBlockTextureFromSideAndMetadata(int par1, int par2) 120 { 121 if (par2 < 0) 122 { 123 par2 = 7; 124 } 125 126 return this.blockIndexInTexture + par2; 127 } 128 129 /** 130 * The type of render function that is called for this block 131 */ 132 public int getRenderType() 133 { 134 return 6; 135 } 136 137 /** 138 * Drops the block items with a specified chance of dropping the specified items 139 */ 140 public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7) 141 { 142 super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, 0); 143 } 144 145 @Override 146 public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune) 147 { 148 ArrayList<ItemStack> ret = new ArrayList<ItemStack>(); 149 if (metadata == 7) 150 { 151 ret.add(new ItemStack(Item.wheat)); 152 } 153 154 for (int n = 0; n < 3 + fortune; n++) 155 { 156 157 if (world.rand.nextInt(15) <= metadata) 158 { 159 ret.add(new ItemStack(Item.seeds)); 160 } 161 } 162 163 return ret; 164 } 165 166 /** 167 * Returns the ID of the items to drop on destruction. 168 */ 169 public int idDropped(int par1, Random par2Random, int par3) 170 { 171 return par1 == 7 ? Item.wheat.shiftedIndex : -1; 172 } 173 174 /** 175 * Returns the quantity of items to drop on block destruction. 176 */ 177 public int quantityDropped(Random par1Random) 178 { 179 return 1; 180 } 181 182 @SideOnly(Side.CLIENT) 183 184 /** 185 * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative) 186 */ 187 public int idPicked(World par1World, int par2, int par3, int par4) 188 { 189 return Item.seeds.shiftedIndex; 190 } 191 }