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    public class BlockCake extends Block
008    {
009        protected BlockCake(int par1, int par2)
010        {
011            super(par1, par2, Material.cake);
012            this.setTickRandomly(true);
013        }
014    
015        /**
016         * Updates the blocks bounds based on its current state. Args: world, x, y, z
017         */
018        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
019        {
020            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
021            float var6 = 0.0625F;
022            float var7 = (float)(1 + var5 * 2) / 16.0F;
023            float var8 = 0.5F;
024            this.setBlockBounds(var7, 0.0F, var6, 1.0F - var6, var8, 1.0F - var6);
025        }
026    
027        /**
028         * Sets the block's bounds for rendering it as an item
029         */
030        public void setBlockBoundsForItemRender()
031        {
032            float var1 = 0.0625F;
033            float var2 = 0.5F;
034            this.setBlockBounds(var1, 0.0F, var1, 1.0F - var1, var2, 1.0F - var1);
035        }
036    
037        /**
038         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
039         * cleared to be reused)
040         */
041        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
042        {
043            int var5 = par1World.getBlockMetadata(par2, par3, par4);
044            float var6 = 0.0625F;
045            float var7 = (float)(1 + var5 * 2) / 16.0F;
046            float var8 = 0.5F;
047            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));
048        }
049    
050        @SideOnly(Side.CLIENT)
051    
052        /**
053         * Returns the bounding box of the wired rectangular prism to render.
054         */
055        public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
056        {
057            int var5 = par1World.getBlockMetadata(par2, par3, par4);
058            float var6 = 0.0625F;
059            float var7 = (float)(1 + var5 * 2) / 16.0F;
060            float var8 = 0.5F;
061            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));
062        }
063    
064        /**
065         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
066         */
067        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
068        {
069            return par1 == 1 ? this.blockIndexInTexture : (par1 == 0 ? this.blockIndexInTexture + 3 : (par2 > 0 && par1 == 4 ? this.blockIndexInTexture + 2 : this.blockIndexInTexture + 1));
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 : (par1 == 0 ? this.blockIndexInTexture + 3 : this.blockIndexInTexture + 1);
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         * Called upon block activation (right click on the block.)
099         */
100        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
101        {
102            this.eatCakeSlice(par1World, par2, par3, par4, par5EntityPlayer);
103            return true;
104        }
105    
106        /**
107         * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
108         */
109        public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer)
110        {
111            this.eatCakeSlice(par1World, par2, par3, par4, par5EntityPlayer);
112        }
113    
114        /**
115         * Heals the player and removes a slice from the cake.
116         */
117        private void eatCakeSlice(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer)
118        {
119            if (par5EntityPlayer.canEat(false))
120            {
121                par5EntityPlayer.getFoodStats().addStats(2, 0.1F);
122                int var6 = par1World.getBlockMetadata(par2, par3, par4) + 1;
123    
124                if (var6 >= 6)
125                {
126                    par1World.setBlockWithNotify(par2, par3, par4, 0);
127                }
128                else
129                {
130                    par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
131                    par1World.markBlockAsNeedsUpdate(par2, par3, par4);
132                }
133            }
134        }
135    
136        /**
137         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
138         */
139        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
140        {
141            return !super.canPlaceBlockAt(par1World, par2, par3, par4) ? false : this.canBlockStay(par1World, par2, par3, par4);
142        }
143    
144        /**
145         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
146         * their own) Args: x, y, z, neighbor blockID
147         */
148        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
149        {
150            if (!this.canBlockStay(par1World, par2, par3, par4))
151            {
152                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
153                par1World.setBlockWithNotify(par2, par3, par4, 0);
154            }
155        }
156    
157        /**
158         * Can this block stay at this position.  Similar to canPlaceBlockAt except gets checked often with plants.
159         */
160        public boolean canBlockStay(World par1World, int par2, int par3, int par4)
161        {
162            return par1World.getBlockMaterial(par2, par3 - 1, par4).isSolid();
163        }
164    
165        /**
166         * Returns the quantity of items to drop on block destruction.
167         */
168        public int quantityDropped(Random par1Random)
169        {
170            return 0;
171        }
172    
173        /**
174         * Returns the ID of the items to drop on destruction.
175         */
176        public int idDropped(int par1, Random par2Random, int par3)
177        {
178            return 0;
179        }
180    
181        @SideOnly(Side.CLIENT)
182    
183        /**
184         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
185         */
186        public int idPicked(World par1World, int par2, int par3, int par4)
187        {
188            return Item.cake.shiftedIndex;
189        }
190    }