    001package net.minecraft.item;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.block.Block;
    006import net.minecraft.block.BlockHalfSlab;
    007import net.minecraft.entity.player.EntityPlayer;
    008import net.minecraft.world.World;
    009
    010public class ItemSlab extends ItemBlock
    011{
    012    private final boolean isFullBlock;
    013
    014    /** Instance of BlockHalfSlab. */
    015    private final BlockHalfSlab theHalfSlab;
    016
    017    /** Instance of BlockHalfSlab. */
    018    private final BlockHalfSlab theHalfSlab2;
    019
    020    public ItemSlab(int par1, BlockHalfSlab par2BlockHalfSlab, BlockHalfSlab par3BlockHalfSlab, boolean par4)
    021    {
    022        super(par1);
    023        this.theHalfSlab = par2BlockHalfSlab;
    024        this.theHalfSlab2 = par3BlockHalfSlab;
    025        this.isFullBlock = par4;
    026        this.setMaxDamage(0);
    027        this.setHasSubtypes(true);
    028    }
    029
    030    @SideOnly(Side.CLIENT)
    031
    032    /**
    033     * Gets an icon index based on an item's damage value
    034     */
    035    public int getIconFromDamage(int par1)
    036    {
    037        return Block.blocksList[this.itemID].getBlockTextureFromSideAndMetadata(2, par1);
    038    }
    039
    040    /**
    041     * Returns the metadata of the block which this Item (ItemBlock) can place
    042     */
    043    public int getMetadata(int par1)
    044    {
    045        return par1;
    046    }
    047
    048    public String getItemNameIS(ItemStack par1ItemStack)
    049    {
    050        return this.theHalfSlab.getFullSlabName(par1ItemStack.getItemDamage());
    051    }
    052
    053    /**
    054     * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
    055     * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
    056     */
    057    public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
    058    {
    059        if (this.isFullBlock)
    060        {
    061            return super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10);
    062        }
    063        else if (par1ItemStack.stackSize == 0)
    064        {
    065            return false;
    066        }
    067        else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack))
    068        {
    069            return false;
    070        }
    071        else
    072        {
    073            int var11 = par3World.getBlockId(par4, par5, par6);
    074            int var12 = par3World.getBlockMetadata(par4, par5, par6);
    075            int var13 = var12 & 7;
    076            boolean var14 = (var12 & 8) != 0;
    077
    078            if ((par7 == 1 && !var14 || par7 == 0 && var14) && var11 == this.theHalfSlab.blockID && var13 == par1ItemStack.getItemDamage())
    079            {
    080                if (par3World.checkIfAABBIsClear(this.theHalfSlab2.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockAndMetadataWithNotify(par4, par5, par6, this.theHalfSlab2.blockID, var13))
    081                {
    082                    par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.theHalfSlab2.stepSound.getPlaceSound(), (this.theHalfSlab2.stepSound.getVolume() + 1.0F) / 2.0F, this.theHalfSlab2.stepSound.getPitch() * 0.8F);
    083                    --par1ItemStack.stackSize;
    084                }
    085
    086                return true;
    087            }
    088            else
    089            {
    090                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);
    091            }
    092        }
    093    }
    094
    095    @SideOnly(Side.CLIENT)
    096
    097    /**
    098     * Returns true if the given ItemBlock can be placed on the given side of the given block position.
    099     */
    100    public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
    101    {
    102        int var8 = par2;
    103        int var9 = par3;
    104        int var10 = par4;
    105        int var11 = par1World.getBlockId(par2, par3, par4);
    106        int var12 = par1World.getBlockMetadata(par2, par3, par4);
    107        int var13 = var12 & 7;
    108        boolean var14 = (var12 & 8) != 0;
    109
    110        if ((par5 == 1 && !var14 || par5 == 0 && var14) && var11 == this.theHalfSlab.blockID && var13 == par7ItemStack.getItemDamage())
    111        {
    112            return true;
    113        }
    114        else
    115        {
    116            if (par5 == 0)
    117            {
    118                --par3;
    119            }
    120
    121            if (par5 == 1)
    122            {
    123                ++par3;
    124            }
    125
    126            if (par5 == 2)
    127            {
    128                --par4;
    129            }
    130
    131            if (par5 == 3)
    132            {
    133                ++par4;
    134            }
    135
    136            if (par5 == 4)
    137            {
    138                --par2;
    139            }
    140
    141            if (par5 == 5)
    142            {
    143                ++par2;
    144            }
    145
    146            var11 = par1World.getBlockId(par2, par3, par4);
    147            var12 = par1World.getBlockMetadata(par2, par3, par4);
    148            var13 = var12 & 7;
    149            var14 = (var12 & 8) != 0;
    150            return var11 == this.theHalfSlab.blockID && var13 == par7ItemStack.getItemDamage() ? true : super.canPlaceItemBlockOnSide(par1World, var8, var9, var10, par5, par6EntityPlayer, par7ItemStack);
    151        }
    152    }
    153
    154    private boolean func_77888_a(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7)
    155    {
    156        if (par7 == 0)
    157        {
    158            --par5;
    159        }
    160
    161        if (par7 == 1)
    162        {
    163            ++par5;
    164        }
    165
    166        if (par7 == 2)
    167        {
    168            --par6;
    169        }
    170
    171        if (par7 == 3)
    172        {
    173            ++par6;
    174        }
    175
    176        if (par7 == 4)
    177        {
    178            --par4;
    179        }
    180
    181        if (par7 == 5)
    182        {
    183            ++par4;
    184        }
    185
    186        int var8 = par3World.getBlockId(par4, par5, par6);
    187        int var9 = par3World.getBlockMetadata(par4, par5, par6);
    188        int var10 = var9 & 7;
    189
    190        if (var8 == this.theHalfSlab.blockID && var10 == par1ItemStack.getItemDamage())
    191        {
    192            if (par3World.checkIfAABBIsClear(this.theHalfSlab2.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockAndMetadataWithNotify(par4, par5, par6, this.theHalfSlab2.blockID, var10))
    193            {
    194                par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.theHalfSlab2.stepSound.getPlaceSound(), (this.theHalfSlab2.stepSound.getVolume() + 1.0F) / 2.0F, this.theHalfSlab2.stepSound.getPitch() * 0.8F);
    195                --par1ItemStack.stackSize;
    196            }
    197
    198            return true;
    199        }
    200        else
    201        {
    202            return false;
    203        }
    204    }
    205}