package net.minecraft.block; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.util.List; import java.util.Random; import net.minecraft.block.material.Material; import net.minecraft.entity.Entity; import net.minecraft.util.AxisAlignedBB; import net.minecraft.util.Facing; import net.minecraft.world.IBlockAccess; import net.minecraft.world.World; public abstract class BlockHalfSlab extends Block { private final boolean isDoubleSlab; public BlockHalfSlab(int par1, boolean par2, Material par3Material) { super(par1, 6, par3Material); this.isDoubleSlab = par2; if (par2) { opaqueCubeLookup[par1] = true; } else { this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F); } this.setLightOpacity(255); } /** * Updates the blocks bounds based on its current state. Args: world, x, y, z */ public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) { if (this.isDoubleSlab) { this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); } else { boolean var5 = (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) != 0; if (var5) { this.setBlockBounds(0.0F, 0.5F, 0.0F, 1.0F, 1.0F, 1.0F); } else { this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F); } } } /** * Sets the block's bounds for rendering it as an item */ public void setBlockBoundsForItemRender() { if (this.isDoubleSlab) { this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); } else { this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F); } } /** * if the specified block is in the given AABB, add its collision bounding box to the given list */ public void addCollidingBlockToList(World par1World, int par2, int par3, int par4, AxisAlignedBB par5AxisAlignedBB, List par6List, Entity par7Entity) { this.setBlockBoundsBasedOnState(par1World, par2, par3, par4); super.addCollidingBlockToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity); } /** * Returns the block texture based on the side being looked at. Args: side */ public int getBlockTextureFromSide(int par1) { return this.getBlockTextureFromSideAndMetadata(par1, 0); } /** * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. */ public boolean isOpaqueCube() { return this.isDoubleSlab; } /** * Called when a block is placed using its ItemBlock. Args: World, X, Y, Z, side, hitX, hitY, hitZ, block metadata */ public int onBlockPlaced(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9) { return this.isDoubleSlab ? par9 : (par5 != 0 && (par5 == 1 || (double)par7 <= 0.5D) ? par9 : par9 | 8); } /** * Returns the quantity of items to drop on block destruction. */ public int quantityDropped(Random par1Random) { return this.isDoubleSlab ? 2 : 1; } /** * Determines the damage on the item the block drops. Used in cloth and wood. */ public int damageDropped(int par1) { return par1 & 7; } /** * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) */ public boolean renderAsNormalBlock() { return this.isDoubleSlab; } @SideOnly(Side.CLIENT) /** * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given * coordinates. Args: blockAccess, x, y, z, side */ public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) { if (this.isDoubleSlab) { return super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5); } else if (par5 != 1 && par5 != 0 && !super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5)) { return false; } else { int var6 = par2 + Facing.offsetsXForSide[Facing.faceToSide[par5]]; int var7 = par3 + Facing.offsetsYForSide[Facing.faceToSide[par5]]; int var8 = par4 + Facing.offsetsZForSide[Facing.faceToSide[par5]]; boolean var9 = (par1IBlockAccess.getBlockMetadata(var6, var7, var8) & 8) != 0; return var9 ? (par5 == 0 ? true : (par5 == 1 && super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5) ? true : !isBlockSingleSlab(par1IBlockAccess.getBlockId(par2, par3, par4)) || (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) == 0)) : (par5 == 1 ? true : (par5 == 0 && super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5) ? true : !isBlockSingleSlab(par1IBlockAccess.getBlockId(par2, par3, par4)) || (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) != 0)); } } @SideOnly(Side.CLIENT) /** * Takes a block ID, returns true if it's the same as the ID for a stone or wooden single slab. */ private static boolean isBlockSingleSlab(int par0) { return par0 == Block.stoneSingleSlab.blockID || par0 == Block.woodSingleSlab.blockID; } /** * Returns the slab block name with step type. */ public abstract String getFullSlabName(int var1); /** * Get the block's damage value (for use with pick block). */ public int getDamageValue(World par1World, int par2, int par3, int par4) { return super.getDamageValue(par1World, par2, par3, par4) & 7; } @SideOnly(Side.CLIENT) /** * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative) */ public int idPicked(World par1World, int par2, int par3, int par4) { return isBlockSingleSlab(this.blockID) ? this.blockID : (this.blockID == Block.stoneDoubleSlab.blockID ? Block.stoneSingleSlab.blockID : (this.blockID == Block.woodDoubleSlab.blockID ? Block.woodSingleSlab.blockID : Block.stoneSingleSlab.blockID)); } }