001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    
006    public class ItemSlab extends ItemBlock
007    {
008        private final boolean field_77891_a;
009    
010        /** Instance of BlockHalfSlab. */
011        private final BlockHalfSlab theHalfSlab;
012    
013        /** Instance of BlockHalfSlab. */
014        private final BlockHalfSlab theHalfSlab2;
015    
016        public ItemSlab(int par1, BlockHalfSlab par2BlockHalfSlab, BlockHalfSlab par3BlockHalfSlab, boolean par4)
017        {
018            super(par1);
019            this.theHalfSlab = par2BlockHalfSlab;
020            this.theHalfSlab2 = par3BlockHalfSlab;
021            this.field_77891_a = par4;
022            this.setMaxDamage(0);
023            this.setHasSubtypes(true);
024        }
025    
026        @SideOnly(Side.CLIENT)
027    
028        /**
029         * Gets an icon index based on an item's damage value
030         */
031        public int getIconFromDamage(int par1)
032        {
033            return Block.blocksList[this.shiftedIndex].getBlockTextureFromSideAndMetadata(2, par1);
034        }
035    
036        /**
037         * Returns the metadata of the block which this Item (ItemBlock) can place
038         */
039        public int getMetadata(int par1)
040        {
041            return par1;
042        }
043    
044        public String getItemNameIS(ItemStack par1ItemStack)
045        {
046            return this.theHalfSlab.getFullSlabName(par1ItemStack.getItemDamage());
047        }
048    
049        /**
050         * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
051         * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
052         */
053        public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
054        {
055            if (this.field_77891_a)
056            {
057                return super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10);
058            }
059            else if (par1ItemStack.stackSize == 0)
060            {
061                return false;
062            }
063            else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6))
064            {
065                return false;
066            }
067            else
068            {
069                int var11 = par3World.getBlockId(par4, par5, par6);
070                int var12 = par3World.getBlockMetadata(par4, par5, par6);
071                int var13 = var12 & 7;
072                boolean var14 = (var12 & 8) != 0;
073    
074                if ((par7 == 1 && !var14 || par7 == 0 && var14) && var11 == this.theHalfSlab.blockID && var13 == par1ItemStack.getItemDamage())
075                {
076                    if (par3World.checkIfAABBIsClear(this.theHalfSlab2.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockAndMetadataWithNotify(par4, par5, par6, this.theHalfSlab2.blockID, var13))
077                    {
078                        par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.theHalfSlab2.stepSound.getStepSound(), (this.theHalfSlab2.stepSound.getVolume() + 1.0F) / 2.0F, this.theHalfSlab2.stepSound.getPitch() * 0.8F);
079                        --par1ItemStack.stackSize;
080                    }
081    
082                    return true;
083                }
084                else
085                {
086                    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);
087                }
088            }
089        }
090    
091        @SideOnly(Side.CLIENT)
092    
093        /**
094         * Returns true if the given ItemBlock can be placed on the given side of the given block position.
095         */
096        public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
097        {
098            int var8 = par2;
099            int var9 = par3;
100            int var10 = par4;
101            int var11 = par1World.getBlockId(par2, par3, par4);
102            int var12 = par1World.getBlockMetadata(par2, par3, par4);
103            int var13 = var12 & 7;
104            boolean var14 = (var12 & 8) != 0;
105    
106            if ((par5 == 1 && !var14 || par5 == 0 && var14) && var11 == this.theHalfSlab.blockID && var13 == par7ItemStack.getItemDamage())
107            {
108                return true;
109            }
110            else
111            {
112                if (par5 == 0)
113                {
114                    --par3;
115                }
116    
117                if (par5 == 1)
118                {
119                    ++par3;
120                }
121    
122                if (par5 == 2)
123                {
124                    --par4;
125                }
126    
127                if (par5 == 3)
128                {
129                    ++par4;
130                }
131    
132                if (par5 == 4)
133                {
134                    --par2;
135                }
136    
137                if (par5 == 5)
138                {
139                    ++par2;
140                }
141    
142                var11 = par1World.getBlockId(par2, par3, par4);
143                var12 = par1World.getBlockMetadata(par2, par3, par4);
144                var13 = var12 & 7;
145                var14 = (var12 & 8) != 0;
146                return var11 == this.theHalfSlab.blockID && var13 == par7ItemStack.getItemDamage() ? true : super.canPlaceItemBlockOnSide(par1World, var8, var9, var10, par5, par6EntityPlayer, par7ItemStack);
147            }
148        }
149    
150        private boolean func_77888_a(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7)
151        {
152            if (par7 == 0)
153            {
154                --par5;
155            }
156    
157            if (par7 == 1)
158            {
159                ++par5;
160            }
161    
162            if (par7 == 2)
163            {
164                --par6;
165            }
166    
167            if (par7 == 3)
168            {
169                ++par6;
170            }
171    
172            if (par7 == 4)
173            {
174                --par4;
175            }
176    
177            if (par7 == 5)
178            {
179                ++par4;
180            }
181    
182            int var8 = par3World.getBlockId(par4, par5, par6);
183            int var9 = par3World.getBlockMetadata(par4, par5, par6);
184            int var10 = var9 & 7;
185    
186            if (var8 == this.theHalfSlab.blockID && var10 == par1ItemStack.getItemDamage())
187            {
188                if (par3World.checkIfAABBIsClear(this.theHalfSlab2.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockAndMetadataWithNotify(par4, par5, par6, this.theHalfSlab2.blockID, var10))
189                {
190                    par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.theHalfSlab2.stepSound.getStepSound(), (this.theHalfSlab2.stepSound.getVolume() + 1.0F) / 2.0F, this.theHalfSlab2.stepSound.getPitch() * 0.8F);
191                    --par1ItemStack.stackSize;
192                }
193    
194                return true;
195            }
196            else
197            {
198                return false;
199            }
200        }
201    }