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.entity.player.EntityPlayer;
008    import net.minecraft.item.Item;
009    import net.minecraft.util.AxisAlignedBB;
010    import net.minecraft.world.IBlockAccess;
011    import net.minecraft.world.World;
012    
013    public class BlockCake extends Block
014    {
015        protected BlockCake(int par1, int par2)
016        {
017            super(par1, par2, Material.cake);
018            this.setTickRandomly(true);
019        }
020    
021        /**
022         * Updates the blocks bounds based on its current state. Args: world, x, y, z
023         */
024        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
025        {
026            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
027            float var6 = 0.0625F;
028            float var7 = (float)(1 + var5 * 2) / 16.0F;
029            float var8 = 0.5F;
030            this.setBlockBounds(var7, 0.0F, var6, 1.0F - var6, var8, 1.0F - var6);
031        }
032    
033        /**
034         * Sets the block's bounds for rendering it as an item
035         */
036        public void setBlockBoundsForItemRender()
037        {
038            float var1 = 0.0625F;
039            float var2 = 0.5F;
040            this.setBlockBounds(var1, 0.0F, var1, 1.0F - var1, var2, 1.0F - var1);
041        }
042    
043        /**
044         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
045         * cleared to be reused)
046         */
047        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
048        {
049            int var5 = par1World.getBlockMetadata(par2, par3, par4);
050            float var6 = 0.0625F;
051            float var7 = (float)(1 + var5 * 2) / 16.0F;
052            float var8 = 0.5F;
053            return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + var7), (double)par3, (double)((float)par4 + var6), (double)((float)(par2 + 1) - var6), (double)((float)par3 + var8 - var6), (double)((float)(par4 + 1) - var6));
054        }
055    
056        @SideOnly(Side.CLIENT)
057    
058        /**
059         * Returns the bounding box of the wired rectangular prism to render.
060         */
061        public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
062        {
063            int var5 = par1World.getBlockMetadata(par2, par3, par4);
064            float var6 = 0.0625F;
065            float var7 = (float)(1 + var5 * 2) / 16.0F;
066            float var8 = 0.5F;
067            return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + var7), (double)par3, (double)((float)par4 + var6), (double)((float)(par2 + 1) - var6), (double)((float)par3 + var8), (double)((float)(par4 + 1) - var6));
068        }
069    
070        /**
071         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
072         */
073        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
074        {
075            return par1 == 1 ? this.blockIndexInTexture : (par1 == 0 ? this.blockIndexInTexture + 3 : (par2 > 0 && par1 == 4 ? this.blockIndexInTexture + 2 : this.blockIndexInTexture + 1));
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 : (par1 == 0 ? this.blockIndexInTexture + 3 : this.blockIndexInTexture + 1);
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         * Called upon block activation (right click on the block.)
105         */
106        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
107        {
108            this.eatCakeSlice(par1World, par2, par3, par4, par5EntityPlayer);
109            return true;
110        }
111    
112        /**
113         * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
114         */
115        public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer)
116        {
117            this.eatCakeSlice(par1World, par2, par3, par4, par5EntityPlayer);
118        }
119    
120        /**
121         * Heals the player and removes a slice from the cake.
122         */
123        private void eatCakeSlice(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer)
124        {
125            if (par5EntityPlayer.canEat(false))
126            {
127                par5EntityPlayer.getFoodStats().addStats(2, 0.1F);
128                int var6 = par1World.getBlockMetadata(par2, par3, par4) + 1;
129    
130                if (var6 >= 6)
131                {
132                    par1World.setBlockWithNotify(par2, par3, par4, 0);
133                }
134                else
135                {
136                    par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
137                    par1World.markBlockForRenderUpdate2(par2, par3, par4);
138                }
139            }
140        }
141    
142        /**
143         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
144         */
145        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
146        {
147            return !super.canPlaceBlockAt(par1World, par2, par3, par4) ? false : this.canBlockStay(par1World, par2, par3, par4);
148        }
149    
150        /**
151         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
152         * their own) Args: x, y, z, neighbor blockID
153         */
154        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
155        {
156            if (!this.canBlockStay(par1World, par2, par3, par4))
157            {
158                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
159                par1World.setBlockWithNotify(par2, par3, par4, 0);
160            }
161        }
162    
163        /**
164         * Can this block stay at this position.  Similar to canPlaceBlockAt except gets checked often with plants.
165         */
166        public boolean canBlockStay(World par1World, int par2, int par3, int par4)
167        {
168            return par1World.getBlockMaterial(par2, par3 - 1, par4).isSolid();
169        }
170    
171        /**
172         * Returns the quantity of items to drop on block destruction.
173         */
174        public int quantityDropped(Random par1Random)
175        {
176            return 0;
177        }
178    
179        /**
180         * Returns the ID of the items to drop on destruction.
181         */
182        public int idDropped(int par1, Random par2Random, int par3)
183        {
184            return 0;
185        }
186    
187        @SideOnly(Side.CLIENT)
188    
189        /**
190         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
191         */
192        public int idPicked(World par1World, int par2, int par3, int par4)
193        {
194            return Item.cake.itemID;
195        }
196    }