001    package net.minecraft.src;
002    
003    public class ItemDoor extends Item
004    {
005        private Material doorMaterial;
006    
007        public ItemDoor(int par1, Material par2Material)
008        {
009            super(par1);
010            this.doorMaterial = par2Material;
011            this.maxStackSize = 1;
012            this.setCreativeTab(CreativeTabs.tabRedstone);
013        }
014    
015        /**
016         * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
017         * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
018         */
019        public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
020        {
021            if (par7 != 1)
022            {
023                return false;
024            }
025            else
026            {
027                ++par5;
028                Block var11;
029    
030                if (this.doorMaterial == Material.wood)
031                {
032                    var11 = Block.doorWood;
033                }
034                else
035                {
036                    var11 = Block.doorSteel;
037                }
038    
039                if (par2EntityPlayer.func_82247_a(par4, par5, par6, par7, par1ItemStack) && par2EntityPlayer.func_82247_a(par4, par5 + 1, par6, par7, par1ItemStack))
040                {
041                    if (!var11.canPlaceBlockAt(par3World, par4, par5, par6))
042                    {
043                        return false;
044                    }
045                    else
046                    {
047                        int var12 = MathHelper.floor_double((double)((par2EntityPlayer.rotationYaw + 180.0F) * 4.0F / 360.0F) - 0.5D) & 3;
048                        placeDoorBlock(par3World, par4, par5, par6, var12, var11);
049                        --par1ItemStack.stackSize;
050                        return true;
051                    }
052                }
053                else
054                {
055                    return false;
056                }
057            }
058        }
059    
060        public static void placeDoorBlock(World par0World, int par1, int par2, int par3, int par4, Block par5Block)
061        {
062            byte var6 = 0;
063            byte var7 = 0;
064    
065            if (par4 == 0)
066            {
067                var7 = 1;
068            }
069    
070            if (par4 == 1)
071            {
072                var6 = -1;
073            }
074    
075            if (par4 == 2)
076            {
077                var7 = -1;
078            }
079    
080            if (par4 == 3)
081            {
082                var6 = 1;
083            }
084    
085            int var8 = (par0World.isBlockNormalCube(par1 - var6, par2, par3 - var7) ? 1 : 0) + (par0World.isBlockNormalCube(par1 - var6, par2 + 1, par3 - var7) ? 1 : 0);
086            int var9 = (par0World.isBlockNormalCube(par1 + var6, par2, par3 + var7) ? 1 : 0) + (par0World.isBlockNormalCube(par1 + var6, par2 + 1, par3 + var7) ? 1 : 0);
087            boolean var10 = par0World.getBlockId(par1 - var6, par2, par3 - var7) == par5Block.blockID || par0World.getBlockId(par1 - var6, par2 + 1, par3 - var7) == par5Block.blockID;
088            boolean var11 = par0World.getBlockId(par1 + var6, par2, par3 + var7) == par5Block.blockID || par0World.getBlockId(par1 + var6, par2 + 1, par3 + var7) == par5Block.blockID;
089            boolean var12 = false;
090    
091            if (var10 && !var11)
092            {
093                var12 = true;
094            }
095            else if (var9 > var8)
096            {
097                var12 = true;
098            }
099    
100            par0World.editingBlocks = true;
101            par0World.setBlockAndMetadataWithNotify(par1, par2, par3, par5Block.blockID, par4);
102            par0World.setBlockAndMetadataWithNotify(par1, par2 + 1, par3, par5Block.blockID, 8 | (var12 ? 1 : 0));
103            par0World.editingBlocks = false;
104            par0World.notifyBlocksOfNeighborChange(par1, par2, par3, par5Block.blockID);
105            par0World.notifyBlocksOfNeighborChange(par1, par2 + 1, par3, par5Block.blockID);
106        }
107    }