    001    package net.minecraft.block;
    002
    003    import cpw.mods.fml.relauncher.Side;
    004    import cpw.mods.fml.relauncher.SideOnly;
    005    import net.minecraft.block.material.Material;
    006    import net.minecraft.creativetab.CreativeTabs;
    007    import net.minecraft.entity.EntityLiving;
    008    import net.minecraft.entity.player.EntityPlayer;
    009    import net.minecraft.util.AxisAlignedBB;
    010    import net.minecraft.util.MathHelper;
    011    import net.minecraft.world.IBlockAccess;
    012    import net.minecraft.world.World;
    013
    014    public class BlockFenceGate extends BlockDirectional
    015    {
    016        public BlockFenceGate(int par1, int par2)
    017        {
    018            super(par1, par2, Material.wood);
    019            this.setCreativeTab(CreativeTabs.tabRedstone);
    020        }
    021
    022        /**
    023         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
    024         */
    025        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
    026        {
    027            return !par1World.getBlockMaterial(par2, par3 - 1, par4).isSolid() ? false : super.canPlaceBlockAt(par1World, par2, par3, par4);
    028        }
    029
    030        /**
    031         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
    032         * cleared to be reused)
    033         */
    034        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
    035        {
    036            int var5 = par1World.getBlockMetadata(par2, par3, par4);
    037            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)));
    038        }
    039
    040        /**
    041         * Updates the blocks bounds based on its current state. Args: world, x, y, z
    042         */
    043        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    044        {
    045            int var5 = getDirection(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
    046
    047            if (var5 != 2 && var5 != 0)
    048            {
    049                this.setBlockBounds(0.375F, 0.0F, 0.0F, 0.625F, 1.0F, 1.0F);
    050            }
    051            else
    052            {
    053                this.setBlockBounds(0.0F, 0.0F, 0.375F, 1.0F, 1.0F, 0.625F);
    054            }
    055        }
    056
    057        /**
    058         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    059         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    060         */
    061        public boolean isOpaqueCube()
    062        {
    063            return false;
    064        }
    065
    066        /**
    067         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    068         */
    069        public boolean renderAsNormalBlock()
    070        {
    071            return false;
    072        }
    073
    074        public boolean getBlocksMovement(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    075        {
    076            return isFenceGateOpen(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
    077        }
    078
    079        /**
    080         * The type of render function that is called for this block
    081         */
    082        public int getRenderType()
    083        {
    084            return 21;
    085        }
    086
    087        /**
    088         * Called when the block is placed in the world.
    089         */
    090        public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
    091        {
    092            int var6 = (MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) % 4;
    093            par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
    094        }
    095
    096        /**
    097         * Called upon block activation (right click on the block.)
    098         */
    099        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
    100        {
    101            int var10 = par1World.getBlockMetadata(par2, par3, par4);
    102
    103            if (isFenceGateOpen(var10))
    104            {
    105                par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 & -5);
    106            }
    107            else
    108            {
    109                int var11 = (MathHelper.floor_double((double)(par5EntityPlayer.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) % 4;
    110                int var12 = getDirection(var10);
    111
    112                if (var12 == (var11 + 2) % 4)
    113                {
    114                    var10 = var11;
    115                }
    116
    117                par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 | 4);
    118            }
    119
    120            par1World.playAuxSFXAtEntity(par5EntityPlayer, 1003, par2, par3, par4, 0);
    121            return true;
    122        }
    123
    124        /**
    125         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    126         * their own) Args: x, y, z, neighbor blockID
    127         */
    128        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
    129        {
    130            if (!par1World.isRemote)
    131            {
    132                int var6 = par1World.getBlockMetadata(par2, par3, par4);
    133                boolean var7 = par1World.isBlockIndirectlyGettingPowered(par2, par3, par4);
    134
    135                if (var7 || par5 > 0 && Block.blocksList[par5].canProvidePower() || par5 == 0)
    136                {
    137                    if (var7 && !isFenceGateOpen(var6))
    138                    {
    139                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 4);
    140                        par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0);
    141                    }
    142                    else if (!var7 && isFenceGateOpen(var6))
    143                    {
    144                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & -5);
    145                        par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0);
    146                    }
    147                }
    148            }
    149        }
    150
    151        /**
    152         * Returns if the fence gate is open according to its metadata.
    153         */
    154        public static boolean isFenceGateOpen(int par0)
    155        {
    156            return (par0 & 4) != 0;
    157        }
    158
    159        @SideOnly(Side.CLIENT)
    160
    161        /**
    162         * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given
    163         * coordinates.  Args: blockAccess, x, y, z, side
    164         */
    165        public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    166        {
    167            return true;
    168        }
    169    }