    001    package net.minecraft.block;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.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.shiftedIndex;
    195        }
    196    }