package net.minecraft.item; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import net.minecraft.block.Block; import net.minecraft.block.BlockHalfSlab; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.util.Icon; import net.minecraft.world.World; public class ItemSlab extends ItemBlock { private final boolean isFullBlock; /** Instance of BlockHalfSlab. */ private final BlockHalfSlab theHalfSlab; /** The double-slab block corresponding to this item. */ private final BlockHalfSlab doubleSlab; public ItemSlab(int par1, BlockHalfSlab par2BlockHalfSlab, BlockHalfSlab par3BlockHalfSlab, boolean par4) { super(par1); this.theHalfSlab = par2BlockHalfSlab; this.doubleSlab = par3BlockHalfSlab; this.isFullBlock = par4; this.setMaxDamage(0); this.setHasSubtypes(true); } @SideOnly(Side.CLIENT) /** * Gets an icon index based on an item's damage value */ public Icon getIconFromDamage(int par1) { return Block.blocksList[this.itemID].getIcon(2, par1); } /** * Returns the metadata of the block which this Item (ItemBlock) can place */ public int getMetadata(int par1) { return par1; } /** * Returns the unlocalized name of this item. This version accepts an ItemStack so different stacks can have * different names based on their damage or NBT. */ public String getUnlocalizedName(ItemStack par1ItemStack) { return this.theHalfSlab.getFullSlabName(par1ItemStack.getItemDamage()); } /** * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return * True if something happen and false if it don't. This is for ITEMS, not BLOCKS */ public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10) { if (this.isFullBlock) { return super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10); } else if (par1ItemStack.stackSize == 0) { return false; } else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack)) { return false; } else { int i1 = par3World.getBlockId(par4, par5, par6); int j1 = par3World.getBlockMetadata(par4, par5, par6); int k1 = j1 & 7; boolean flag = (j1 & 8) != 0; if ((par7 == 1 && !flag || par7 == 0 && flag) && i1 == this.theHalfSlab.blockID && k1 == par1ItemStack.getItemDamage()) { if (par3World.checkNoEntityCollision(this.doubleSlab.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlock(par4, par5, par6, this.doubleSlab.blockID, k1, 3)) { par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.doubleSlab.stepSound.getPlaceSound(), (this.doubleSlab.stepSound.getVolume() + 1.0F) / 2.0F, this.doubleSlab.stepSound.getPitch() * 0.8F); --par1ItemStack.stackSize; } return true; } else { return this.func_77888_a(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7) ? true : super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10); } } } @SideOnly(Side.CLIENT) /** * Returns true if the given ItemBlock can be placed on the given side of the given block position. */ public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack) { int i1 = par2; int j1 = par3; int k1 = par4; int l1 = par1World.getBlockId(par2, par3, par4); int i2 = par1World.getBlockMetadata(par2, par3, par4); int j2 = i2 & 7; boolean flag = (i2 & 8) != 0; if ((par5 == 1 && !flag || par5 == 0 && flag) && l1 == this.theHalfSlab.blockID && j2 == par7ItemStack.getItemDamage()) { return true; } else { if (par5 == 0) { --par3; } if (par5 == 1) { ++par3; } if (par5 == 2) { --par4; } if (par5 == 3) { ++par4; } if (par5 == 4) { --par2; } if (par5 == 5) { ++par2; } l1 = par1World.getBlockId(par2, par3, par4); i2 = par1World.getBlockMetadata(par2, par3, par4); j2 = i2 & 7; flag = (i2 & 8) != 0; return l1 == this.theHalfSlab.blockID && j2 == par7ItemStack.getItemDamage() ? true : super.canPlaceItemBlockOnSide(par1World, i1, j1, k1, par5, par6EntityPlayer, par7ItemStack); } } private boolean func_77888_a(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7) { if (par7 == 0) { --par5; } if (par7 == 1) { ++par5; } if (par7 == 2) { --par6; } if (par7 == 3) { ++par6; } if (par7 == 4) { --par4; } if (par7 == 5) { ++par4; } int i1 = par3World.getBlockId(par4, par5, par6); int j1 = par3World.getBlockMetadata(par4, par5, par6); int k1 = j1 & 7; if (i1 == this.theHalfSlab.blockID && k1 == par1ItemStack.getItemDamage()) { if (par3World.checkNoEntityCollision(this.doubleSlab.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlock(par4, par5, par6, this.doubleSlab.blockID, k1, 3)) { par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.doubleSlab.stepSound.getPlaceSound(), (this.doubleSlab.stepSound.getVolume() + 1.0F) / 2.0F, this.doubleSlab.stepSound.getPitch() * 0.8F); --par1ItemStack.stackSize; } return true; } else { return false; } } }