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