    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.creativetab.CreativeTabs;
    008    import net.minecraft.util.AxisAlignedBB;
    009    import net.minecraft.world.IBlockAccess;
    010    import net.minecraft.world.World;
    011
    012    import net.minecraftforge.common.ForgeDirection;
    013    import static net.minecraftforge.common.ForgeDirection.*;
    014
    015    public class BlockLadder extends Block
    016    {
    017        protected BlockLadder(int par1, int par2)
    018        {
    019            super(par1, par2, Material.circuits);
    020            this.setCreativeTab(CreativeTabs.tabDecorations);
    021        }
    022
    023        /**
    024         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
    025         * cleared to be reused)
    026         */
    027        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
    028        {
    029            this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
    030            return super.getCollisionBoundingBoxFromPool(par1World, par2, par3, par4);
    031        }
    032
    033        @SideOnly(Side.CLIENT)
    034
    035        /**
    036         * Returns the bounding box of the wired rectangular prism to render.
    037         */
    038        public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
    039        {
    040            this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
    041            return super.getSelectedBoundingBoxFromPool(par1World, par2, par3, par4);
    042        }
    043
    044        /**
    045         * Updates the blocks bounds based on its current state. Args: world, x, y, z
    046         */
    047        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    048        {
    049            this.updateLadderBounds(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
    050        }
    051
    052        /**
    053         * Update the ladder block bounds based on the given metadata value.
    054         */
    055        public void updateLadderBounds(int par1)
    056        {
    057            float var3 = 0.125F;
    058
    059            if (par1 == 2)
    060            {
    061                this.setBlockBounds(0.0F, 0.0F, 1.0F - var3, 1.0F, 1.0F, 1.0F);
    062            }
    063
    064            if (par1 == 3)
    065            {
    066                this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, var3);
    067            }
    068
    069            if (par1 == 4)
    070            {
    071                this.setBlockBounds(1.0F - var3, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
    072            }
    073
    074            if (par1 == 5)
    075            {
    076                this.setBlockBounds(0.0F, 0.0F, 0.0F, var3, 1.0F, 1.0F);
    077            }
    078        }
    079
    080        /**
    081         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    082         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    083         */
    084        public boolean isOpaqueCube()
    085        {
    086            return false;
    087        }
    088
    089        /**
    090         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    091         */
    092        public boolean renderAsNormalBlock()
    093        {
    094            return false;
    095        }
    096
    097        /**
    098         * The type of render function that is called for this block
    099         */
    100        public int getRenderType()
    101        {
    102            return 8;
    103        }
    104
    105        /**
    106         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
    107         */
    108        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
    109        {
    110            return par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST ) ||
    111                   par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST ) ||
    112                   par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) ||
    113                   par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH);
    114        }
    115
    116        public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9)
    117        {
    118            int var10 = par9;
    119
    120            if ((var10 == 0 || par5 == 2) && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
    121            {
    122                var10 = 2;
    123            }
    124
    125            if ((var10 == 0 || par5 == 3) && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
    126            {
    127                var10 = 3;
    128            }
    129
    130            if ((var10 == 0 || par5 == 4) && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
    131            {
    132                var10 = 4;
    133            }
    134
    135            if ((var10 == 0 || par5 == 5) && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
    136            {
    137                var10 = 5;
    138            }
    139
    140            return var10;
    141        }
    142
    143        /**
    144         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    145         * their own) Args: x, y, z, neighbor blockID
    146         */
    147        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
    148        {
    149            int var6 = par1World.getBlockMetadata(par2, par3, par4);
    150            boolean var7 = false;
    151
    152            if (var6 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
    153            {
    154                var7 = true;
    155            }
    156
    157            if (var6 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
    158            {
    159                var7 = true;
    160            }
    161
    162            if (var6 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
    163            {
    164                var7 = true;
    165            }
    166
    167            if (var6 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
    168            {
    169                var7 = true;
    170            }
    171
    172            if (!var7)
    173            {
    174                this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
    175                par1World.setBlockWithNotify(par2, par3, par4, 0);
    176            }
    177
    178            super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
    179        }
    180
    181        /**
    182         * Returns the quantity of items to drop on block destruction.
    183         */
    184        public int quantityDropped(Random par1Random)
    185        {
    186            return 1;
    187        }
    188
    189        @Override
    190        public boolean isLadder(World world, int x, int y, int z)
    191        {
    192            return true;
    193        }
    194    }