    001    package net.minecraft.src;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005
    006    public class BlockFenceGate extends BlockDirectional
    007    {
    008        public BlockFenceGate(int par1, int par2)
    009        {
    010            super(par1, par2, Material.wood);
    011            this.setCreativeTab(CreativeTabs.tabRedstone);
    012        }
    013
    014        /**
    015         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
    016         */
    017        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
    018        {
    019            return !par1World.getBlockMaterial(par2, par3 - 1, par4).isSolid() ? false : super.canPlaceBlockAt(par1World, par2, par3, par4);
    020        }
    021
    022        /**
    023         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
    024         * cleared to be reused)
    025         */
    026        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
    027        {
    028            int var5 = par1World.getBlockMetadata(par2, par3, par4);
    029            return isFenceGateOpen(var5) ? null : (var5 != 2 && var5 != 0 ? AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + 0.375F), (double)par3, (double)par4, (double)((float)par2 + 0.625F), (double)((float)par3 + 1.5F), (double)(par4 + 1)) : AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par2, (double)par3, (double)((float)par4 + 0.375F), (double)(par2 + 1), (double)((float)par3 + 1.5F), (double)((float)par4 + 0.625F)));
    030        }
    031
    032        /**
    033         * Updates the blocks bounds based on its current state. Args: world, x, y, z
    034         */
    035        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    036        {
    037            int var5 = getDirection(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
    038
    039            if (var5 != 2 && var5 != 0)
    040            {
    041                this.setBlockBounds(0.375F, 0.0F, 0.0F, 0.625F, 1.0F, 1.0F);
    042            }
    043            else
    044            {
    045                this.setBlockBounds(0.0F, 0.0F, 0.375F, 1.0F, 1.0F, 0.625F);
    046            }
    047        }
    048
    049        /**
    050         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    051         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    052         */
    053        public boolean isOpaqueCube()
    054        {
    055            return false;
    056        }
    057
    058        /**
    059         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    060         */
    061        public boolean renderAsNormalBlock()
    062        {
    063            return false;
    064        }
    065
    066        public boolean getBlocksMovement(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    067        {
    068            return isFenceGateOpen(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
    069        }
    070
    071        /**
    072         * The type of render function that is called for this block
    073         */
    074        public int getRenderType()
    075        {
    076            return 21;
    077        }
    078
    079        /**
    080         * Called when the block is placed in the world.
    081         */
    082        public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
    083        {
    084            int var6 = (MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) % 4;
    085            par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
    086        }
    087
    088        /**
    089         * Called upon block activation (right click on the block.)
    090         */
    091        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
    092        {
    093            int var10 = par1World.getBlockMetadata(par2, par3, par4);
    094
    095            if (isFenceGateOpen(var10))
    096            {
    097                par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 & -5);
    098            }
    099            else
    100            {
    101                int var11 = (MathHelper.floor_double((double)(par5EntityPlayer.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) % 4;
    102                int var12 = getDirection(var10);
    103
    104                if (var12 == (var11 + 2) % 4)
    105                {
    106                    var10 = var11;
    107                }
    108
    109                par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 | 4);
    110            }
    111
    112            par1World.playAuxSFXAtEntity(par5EntityPlayer, 1003, par2, par3, par4, 0);
    113            return true;
    114        }
    115
    116        /**
    117         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    118         * their own) Args: x, y, z, neighbor blockID
    119         */
    120        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
    121        {
    122            if (!par1World.isRemote)
    123            {
    124                int var6 = par1World.getBlockMetadata(par2, par3, par4);
    125                boolean var7 = par1World.isBlockIndirectlyGettingPowered(par2, par3, par4);
    126
    127                if (var7 || par5 > 0 && Block.blocksList[par5].canProvidePower() || par5 == 0)
    128                {
    129                    if (var7 && !isFenceGateOpen(var6))
    130                    {
    131                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 4);
    132                        par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0);
    133                    }
    134                    else if (!var7 && isFenceGateOpen(var6))
    135                    {
    136                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & -5);
    137                        par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0);
    138                    }
    139                }
    140            }
    141        }
    142
    143        /**
    144         * Returns if the fence gate is open according to its metadata.
    145         */
    146        public static boolean isFenceGateOpen(int par0)
    147        {
    148            return (par0 & 4) != 0;
    149        }
    150
    151        @SideOnly(Side.CLIENT)
    152
    153        /**
    154         * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given
    155         * coordinates.  Args: blockAccess, x, y, z, side
    156         */
    157        public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    158        {
    159            return true;
    160        }
    161    }