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