001    package net.minecraft.block;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import java.util.Random;
006    import net.minecraft.block.material.Material;
007    import net.minecraft.creativetab.CreativeTabs;
008    import net.minecraft.entity.Entity;
009    import net.minecraft.util.AxisAlignedBB;
010    import net.minecraft.util.DamageSource;
011    import net.minecraft.world.World;
012    
013    import net.minecraftforge.common.EnumPlantType;
014    import net.minecraftforge.common.ForgeDirection;
015    import net.minecraftforge.common.IPlantable;
016    
017    public class BlockCactus extends Block implements IPlantable
018    {
019        protected BlockCactus(int par1, int par2)
020        {
021            super(par1, par2, Material.cactus);
022            this.setTickRandomly(true);
023            this.setCreativeTab(CreativeTabs.tabDecorations);
024        }
025    
026        /**
027         * Ticks the block if it's been scheduled
028         */
029        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
030        {
031            if (par1World.isAirBlock(par2, par3 + 1, par4))
032            {
033                int var6;
034    
035                for (var6 = 1; par1World.getBlockId(par2, par3 - var6, par4) == this.blockID; ++var6)
036                {
037                    ;
038                }
039    
040                if (var6 < 3)
041                {
042                    int var7 = par1World.getBlockMetadata(par2, par3, par4);
043    
044                    if (var7 == 15)
045                    {
046                        par1World.setBlockWithNotify(par2, par3 + 1, par4, this.blockID);
047                        par1World.setBlockMetadataWithNotify(par2, par3, par4, 0);
048                    }
049                    else
050                    {
051                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var7 + 1);
052                    }
053                }
054            }
055        }
056    
057        /**
058         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
059         * cleared to be reused)
060         */
061        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
062        {
063            float var5 = 0.0625F;
064            return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + var5), (double)par3, (double)((float)par4 + var5), (double)((float)(par2 + 1) - var5), (double)((float)(par3 + 1) - var5), (double)((float)(par4 + 1) - var5));
065        }
066    
067        @SideOnly(Side.CLIENT)
068    
069        /**
070         * Returns the bounding box of the wired rectangular prism to render.
071         */
072        public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
073        {
074            float var5 = 0.0625F;
075            return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + var5), (double)par3, (double)((float)par4 + var5), (double)((float)(par2 + 1) - var5), (double)(par3 + 1), (double)((float)(par4 + 1) - var5));
076        }
077    
078        /**
079         * Returns the block texture based on the side being looked at.  Args: side
080         */
081        public int getBlockTextureFromSide(int par1)
082        {
083            return par1 == 1 ? this.blockIndexInTexture - 1 : (par1 == 0 ? this.blockIndexInTexture + 1 : this.blockIndexInTexture);
084        }
085    
086        /**
087         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
088         */
089        public boolean renderAsNormalBlock()
090        {
091            return false;
092        }
093    
094        /**
095         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
096         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
097         */
098        public boolean isOpaqueCube()
099        {
100            return false;
101        }
102    
103        /**
104         * The type of render function that is called for this block
105         */
106        public int getRenderType()
107        {
108            return 13;
109        }
110    
111        /**
112         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
113         */
114        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
115        {
116            return !super.canPlaceBlockAt(par1World, par2, par3, par4) ? false : this.canBlockStay(par1World, par2, par3, par4);
117        }
118    
119        /**
120         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
121         * their own) Args: x, y, z, neighbor blockID
122         */
123        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
124        {
125            if (!this.canBlockStay(par1World, par2, par3, par4))
126            {
127                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
128                par1World.setBlockWithNotify(par2, par3, par4, 0);
129            }
130        }
131    
132        /**
133         * Can this block stay at this position.  Similar to canPlaceBlockAt except gets checked often with plants.
134         */
135        public boolean canBlockStay(World par1World, int par2, int par3, int par4)
136        {
137            if (par1World.getBlockMaterial(par2 - 1, par3, par4).isSolid())
138            {
139                return false;
140            }
141            else if (par1World.getBlockMaterial(par2 + 1, par3, par4).isSolid())
142            {
143                return false;
144            }
145            else if (par1World.getBlockMaterial(par2, par3, par4 - 1).isSolid())
146            {
147                return false;
148            }
149            else if (par1World.getBlockMaterial(par2, par3, par4 + 1).isSolid())
150            {
151                return false;
152            }
153            else
154            {
155                int var5 = par1World.getBlockId(par2, par3 - 1, par4);
156                return blocksList[var5] != null && blocksList[var5].canSustainPlant(par1World, par2, par3 - 1, par4, ForgeDirection.UP, this);
157            }
158        }
159    
160        /**
161         * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
162         */
163        public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
164        {
165            par5Entity.attackEntityFrom(DamageSource.cactus, 1);
166        }
167    
168        @Override
169        public EnumPlantType getPlantType(World world, int x, int y, int z)
170        {
171            return EnumPlantType.Desert;
172        }
173    
174        @Override
175        public int getPlantID(World world, int x, int y, int z)
176        {
177            return blockID;
178        }
179    
180        @Override
181        public int getPlantMetadata(World world, int x, int y, int z)
182        {
183            return -1;
184        }
185    }