001 package net.minecraft.block;
002
003 import cpw.mods.fml.common.Side;
004 import cpw.mods.fml.common.asm.SideOnly;
005 import java.util.Random;
006 import net.minecraft.block.material.Material;
007 import net.minecraft.entity.Entity;
008 import net.minecraft.util.AxisAlignedBB;
009 import net.minecraft.world.World;
010
011 import net.minecraftforge.common.ForgeDirection;
012 import net.minecraftforge.common.IPlantable;
013
014 public class BlockFarmland extends Block
015 {
016 protected BlockFarmland(int par1)
017 {
018 super(par1, Material.ground);
019 this.blockIndexInTexture = 87;
020 this.setTickRandomly(true);
021 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.9375F, 1.0F);
022 this.setLightOpacity(255);
023 }
024
025 /**
026 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
027 * cleared to be reused)
028 */
029 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
030 {
031 return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)(par2 + 0), (double)(par3 + 0), (double)(par4 + 0), (double)(par2 + 1), (double)(par3 + 1), (double)(par4 + 1));
032 }
033
034 /**
035 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
036 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
037 */
038 public boolean isOpaqueCube()
039 {
040 return false;
041 }
042
043 /**
044 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
045 */
046 public boolean renderAsNormalBlock()
047 {
048 return false;
049 }
050
051 /**
052 * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
053 */
054 public int getBlockTextureFromSideAndMetadata(int par1, int par2)
055 {
056 return par1 == 1 && par2 > 0 ? this.blockIndexInTexture - 1 : (par1 == 1 ? this.blockIndexInTexture : 2);
057 }
058
059 /**
060 * Ticks the block if it's been scheduled
061 */
062 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
063 {
064 if (!this.isWaterNearby(par1World, par2, par3, par4) && !par1World.canLightningStrikeAt(par2, par3 + 1, par4))
065 {
066 int var6 = par1World.getBlockMetadata(par2, par3, par4);
067
068 if (var6 > 0)
069 {
070 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 - 1);
071 }
072 else if (!this.isCropsNearby(par1World, par2, par3, par4))
073 {
074 par1World.setBlockWithNotify(par2, par3, par4, Block.dirt.blockID);
075 }
076 }
077 else
078 {
079 par1World.setBlockMetadataWithNotify(par2, par3, par4, 7);
080 }
081 }
082
083 /**
084 * Block's chance to react to an entity falling on it.
085 */
086 public void onFallenUpon(World par1World, int par2, int par3, int par4, Entity par5Entity, float par6)
087 {
088 if (!par1World.isRemote && par1World.rand.nextFloat() < par6 - 0.5F)
089 {
090 par1World.setBlockWithNotify(par2, par3, par4, Block.dirt.blockID);
091 }
092 }
093
094 /**
095 * returns true if there is at least one cropblock nearby (x-1 to x+1, y+1, z-1 to z+1)
096 */
097 private boolean isCropsNearby(World par1World, int par2, int par3, int par4)
098 {
099 byte var5 = 0;
100
101 for (int var6 = par2 - var5; var6 <= par2 + var5; ++var6)
102 {
103 for (int var7 = par4 - var5; var7 <= par4 + var5; ++var7)
104 {
105 int var8 = par1World.getBlockId(var6, par3 + 1, var7);
106
107 Block plant = blocksList[var8];
108 if (plant instanceof IPlantable && canSustainPlant(par1World, par2, par3, par4, ForgeDirection.UP, (IPlantable)plant))
109 {
110 return true;
111 }
112 }
113 }
114
115 return false;
116 }
117
118 /**
119 * returns true if there's water nearby (x-4 to x+4, y to y+1, k-4 to k+4)
120 */
121 private boolean isWaterNearby(World par1World, int par2, int par3, int par4)
122 {
123 for (int var5 = par2 - 4; var5 <= par2 + 4; ++var5)
124 {
125 for (int var6 = par3; var6 <= par3 + 1; ++var6)
126 {
127 for (int var7 = par4 - 4; var7 <= par4 + 4; ++var7)
128 {
129 if (par1World.getBlockMaterial(var5, var6, var7) == Material.water)
130 {
131 return true;
132 }
133 }
134 }
135 }
136
137 return false;
138 }
139
140 /**
141 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
142 * their own) Args: x, y, z, neighbor blockID
143 */
144 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
145 {
146 super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
147 Material var6 = par1World.getBlockMaterial(par2, par3 + 1, par4);
148
149 if (var6.isSolid())
150 {
151 par1World.setBlockWithNotify(par2, par3, par4, Block.dirt.blockID);
152 }
153 }
154
155 /**
156 * Returns the ID of the items to drop on destruction.
157 */
158 public int idDropped(int par1, Random par2Random, int par3)
159 {
160 return Block.dirt.idDropped(0, par2Random, par3);
161 }
162
163 @SideOnly(Side.CLIENT)
164
165 /**
166 * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
167 */
168 public int idPicked(World par1World, int par2, int par3, int par4)
169 {
170 return Block.dirt.blockID;
171 }
172 }