package net.minecraft.block; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.util.Random; import net.minecraft.block.material.Material; import net.minecraft.creativetab.CreativeTabs; import net.minecraft.dispenser.BehaviorDefaultDispenseItem; import net.minecraft.dispenser.IBehaviorDispenseItem; import net.minecraft.dispenser.IBlockSource; import net.minecraft.dispenser.IPosition; import net.minecraft.dispenser.IRegistry; import net.minecraft.dispenser.PositionImpl; import net.minecraft.dispenser.RegistryDefaulted; import net.minecraft.entity.EntityLiving; import net.minecraft.entity.item.EntityItem; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.item.ItemStack; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.tileentity.TileEntity; import net.minecraft.tileentity.TileEntityDispenser; import net.minecraft.util.EnumFacing; import net.minecraft.util.MathHelper; import net.minecraft.world.IBlockAccess; import net.minecraft.world.World; public class BlockDispenser extends BlockContainer { /** Registry for all dispense behaviors. */ public static final IRegistry dispenseBehaviorRegistry = new RegistryDefaulted(new BehaviorDefaultDispenseItem()); private Random random = new Random(); protected BlockDispenser(int par1) { super(par1, Material.rock); this.blockIndexInTexture = 45; this.setCreativeTab(CreativeTabs.tabRedstone); } /** * How many world ticks before ticking */ public int tickRate() { return 4; } /** * Returns the ID of the items to drop on destruction. */ public int idDropped(int par1, Random par2Random, int par3) { return Block.dispenser.blockID; } /** * Called whenever the block is added into the world. Args: world, x, y, z */ public void onBlockAdded(World par1World, int par2, int par3, int par4) { super.onBlockAdded(par1World, par2, par3, par4); this.setDispenserDefaultDirection(par1World, par2, par3, par4); } /** * sets Dispenser block direction so that the front faces an non-opaque block; chooses west to be direction if all * surrounding blocks are opaque. */ private void setDispenserDefaultDirection(World par1World, int par2, int par3, int par4) { if (!par1World.isRemote) { int var5 = par1World.getBlockId(par2, par3, par4 - 1); int var6 = par1World.getBlockId(par2, par3, par4 + 1); int var7 = par1World.getBlockId(par2 - 1, par3, par4); int var8 = par1World.getBlockId(par2 + 1, par3, par4); byte var9 = 3; if (Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var6]) { var9 = 3; } if (Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var5]) { var9 = 2; } if (Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var8]) { var9 = 5; } if (Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var7]) { var9 = 4; } par1World.setBlockMetadataWithNotify(par2, par3, par4, var9); } } @SideOnly(Side.CLIENT) /** * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side */ public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) { if (par5 == 1) { return this.blockIndexInTexture + 17; } else if (par5 == 0) { return this.blockIndexInTexture + 17; } else { int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); return par5 == var6 ? this.blockIndexInTexture + 1 : this.blockIndexInTexture; } } /** * Returns the block texture based on the side being looked at. Args: side */ public int getBlockTextureFromSide(int par1) { return par1 == 1 ? this.blockIndexInTexture + 17 : (par1 == 0 ? this.blockIndexInTexture + 17 : (par1 == 3 ? this.blockIndexInTexture + 1 : this.blockIndexInTexture)); } /** * Called upon block activation (right click on the block.) */ public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9) { if (par1World.isRemote) { return true; } else { TileEntityDispenser var10 = (TileEntityDispenser)par1World.getBlockTileEntity(par2, par3, par4); if (var10 != null) { par5EntityPlayer.displayGUIDispenser(var10); } return true; } } private void dispense(World par1World, int par2, int par3, int par4) { BlockSourceImpl var5 = new BlockSourceImpl(par1World, par2, par3, par4); TileEntityDispenser var6 = (TileEntityDispenser)var5.func_82619_j(); if (var6 != null) { int var7 = var6.getRandomStackFromInventory(); if (var7 < 0) { par1World.playAuxSFX(1001, par2, par3, par4, 0); } else { ItemStack var8 = var6.getStackInSlot(var7); IBehaviorDispenseItem var9 = (IBehaviorDispenseItem)dispenseBehaviorRegistry.func_82594_a(var8.getItem()); if (var9 != IBehaviorDispenseItem.itemDispenseBehaviorProvider) { ItemStack var10 = var9.dispense(var5, var8); var6.setInventorySlotContents(var7, var10.stackSize == 0 ? null : var10); } } } } /** * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are * their own) Args: x, y, z, neighbor blockID */ public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) { if (par5 > 0 && Block.blocksList[par5].canProvidePower()) { boolean var6 = par1World.isBlockIndirectlyGettingPowered(par2, par3, par4) || par1World.isBlockIndirectlyGettingPowered(par2, par3 + 1, par4); if (var6) { par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); } } } /** * Ticks the block if it's been scheduled */ public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) { if (!par1World.isRemote && (par1World.isBlockIndirectlyGettingPowered(par2, par3, par4) || par1World.isBlockIndirectlyGettingPowered(par2, par3 + 1, par4))) { this.dispense(par1World, par2, par3, par4); } } /** * Returns a new instance of a block's tile entity class. Called on placing the block. */ public TileEntity createNewTileEntity(World par1World) { return new TileEntityDispenser(); } /** * Called when the block is placed in the world. */ public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving) { int var6 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3; if (var6 == 0) { par1World.setBlockMetadataWithNotify(par2, par3, par4, 2); } if (var6 == 1) { par1World.setBlockMetadataWithNotify(par2, par3, par4, 5); } if (var6 == 2) { par1World.setBlockMetadataWithNotify(par2, par3, par4, 3); } if (var6 == 3) { par1World.setBlockMetadataWithNotify(par2, par3, par4, 4); } } /** * ejects contained items into the world, and notifies neighbours of an update, as appropriate */ public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6) { TileEntityDispenser var7 = (TileEntityDispenser)par1World.getBlockTileEntity(par2, par3, par4); if (var7 != null) { for (int var8 = 0; var8 < var7.getSizeInventory(); ++var8) { ItemStack var9 = var7.getStackInSlot(var8); if (var9 != null) { float var10 = this.random.nextFloat() * 0.8F + 0.1F; float var11 = this.random.nextFloat() * 0.8F + 0.1F; float var12 = this.random.nextFloat() * 0.8F + 0.1F; while (var9.stackSize > 0) { int var13 = this.random.nextInt(21) + 10; if (var13 > var9.stackSize) { var13 = var9.stackSize; } var9.stackSize -= var13; EntityItem var14 = new EntityItem(par1World, (double)((float)par2 + var10), (double)((float)par3 + var11), (double)((float)par4 + var12), new ItemStack(var9.itemID, var13, var9.getItemDamage())); if (var9.hasTagCompound()) { var14.func_92014_d().setTagCompound((NBTTagCompound)var9.getTagCompound().copy()); } float var15 = 0.05F; var14.motionX = (double)((float)this.random.nextGaussian() * var15); var14.motionY = (double)((float)this.random.nextGaussian() * var15 + 0.2F); var14.motionZ = (double)((float)this.random.nextGaussian() * var15); par1World.spawnEntityInWorld(var14); } } } } super.breakBlock(par1World, par2, par3, par4, par5, par6); } public static IPosition func_82525_a(IBlockSource par0IBlockSource) { EnumFacing var1 = EnumFacing.func_82600_a(par0IBlockSource.func_82620_h()); double var2 = par0IBlockSource.getX() + 0.7D * (double)var1.func_82601_c(); double var4 = par0IBlockSource.getY(); double var6 = par0IBlockSource.getZ() + 0.7D * (double)var1.func_82599_e(); return new PositionImpl(var2, var4, var6); } }