Java tutorial
package micdoodle8.mods.galacticraft.core.tile; import java.util.HashSet; import java.util.Set; import micdoodle8.mods.galacticraft.api.recipe.CompressorRecipes; import micdoodle8.mods.galacticraft.api.transmission.core.item.IItemElectric; import micdoodle8.mods.galacticraft.core.GalacticraftCore; import micdoodle8.mods.galacticraft.core.network.GCCorePacketManager; import micdoodle8.mods.galacticraft.core.network.IPacketReceiver; import net.minecraft.entity.item.EntityItem; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.inventory.IInventory; import net.minecraft.inventory.ISidedInventory; import net.minecraft.inventory.InventoryCrafting; import net.minecraft.item.ItemStack; import net.minecraft.item.crafting.FurnaceRecipes; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.nbt.NBTTagList; import net.minecraft.network.INetworkManager; import net.minecraft.network.packet.Packet; import net.minecraft.network.packet.Packet250CustomPayload; import net.minecraft.tileentity.TileEntity; import net.minecraft.tileentity.TileEntityFurnace; import net.minecraft.util.StatCollector; import com.google.common.io.ByteArrayDataInput; import cpw.mods.fml.common.network.PacketDispatcher; import cpw.mods.fml.common.network.Player; /** * GCCoreTileEntityIngotCompressor.java * * This file is part of the Galacticraft project * * @author micdoodle8 * @license Lesser GNU Public License v3 (http://www.gnu.org/licenses/lgpl.html) * */ public class GCCoreTileEntityIngotCompressor extends TileEntity implements IInventory, ISidedInventory, IPacketReceiver { public static final int PROCESS_TIME_REQUIRED = 200; public int processTicks = 0; public int furnaceBurnTime = 0; public int currentItemBurnTime = 0; private long ticks; private ItemStack producingStack = null; private ItemStack[] containingItems = new ItemStack[2]; public InventoryCrafting compressingCraftMatrix = new InventoryCrafting(null, 3, 3); public final Set<EntityPlayer> playersUsing = new HashSet<EntityPlayer>(); @Override public void updateEntity() { super.updateEntity(); if (!this.worldObj.isRemote) { boolean updateInv = false; boolean flag = this.furnaceBurnTime > 0; if (this.furnaceBurnTime > 0) { --this.furnaceBurnTime; } if (this.furnaceBurnTime == 0 && this.canSmelt()) { this.currentItemBurnTime = this.furnaceBurnTime = TileEntityFurnace .getItemBurnTime(this.containingItems[0]); if (this.furnaceBurnTime > 0) { updateInv = true; if (this.containingItems[0] != null) { --this.containingItems[0].stackSize; if (this.containingItems[0].stackSize == 0) { this.containingItems[0] = this.containingItems[0].getItem() .getContainerItemStack(this.containingItems[0]); } } } } if (this.furnaceBurnTime > 0 && this.canSmelt()) { ++this.processTicks; if (this.processTicks % 40 == 0 && this.processTicks > GCCoreTileEntityIngotCompressor.PROCESS_TIME_REQUIRED / 2) { this.worldObj.playSoundEffect(this.xCoord, this.yCoord, this.zCoord, "random.anvil_land", 0.2F, 0.5F); } if (this.processTicks == GCCoreTileEntityIngotCompressor.PROCESS_TIME_REQUIRED) { this.processTicks = 0; this.smeltItem(); updateInv = true; } } else { this.processTicks = 0; } if (flag != this.furnaceBurnTime > 0) { updateInv = true; } if (this.ticks % 3 == 0) { for (EntityPlayer player : this.playersUsing) { PacketDispatcher.sendPacketToPlayer(this.getDescriptionPacket(), (Player) player); } } if (updateInv) { this.onInventoryChanged(); } } if (this.ticks >= Long.MAX_VALUE) { this.ticks = 0; } this.ticks++; } @Override public Packet getDescriptionPacket() { return GCCorePacketManager.getPacket(GalacticraftCore.CHANNELENTITIES, this, this.processTicks, this.currentItemBurnTime, this.furnaceBurnTime); } @Override public void handlePacketData(INetworkManager network, int type, Packet250CustomPayload packet, EntityPlayer player, ByteArrayDataInput dataStream) { try { this.processTicks = dataStream.readInt(); this.currentItemBurnTime = dataStream.readInt(); this.furnaceBurnTime = dataStream.readInt(); } catch (Exception e) { e.printStackTrace(); } } @Override public void openChest() { } @Override public void closeChest() { } public void updateInput() { this.producingStack = CompressorRecipes.findMatchingRecipe(this.compressingCraftMatrix, this.worldObj); } private boolean canSmelt() { ItemStack itemstack = this.producingStack; if (itemstack == null) { return false; } if (this.containingItems[1] == null) { return true; } if (!this.containingItems[1].isItemEqual(itemstack)) { return false; } int result = this.containingItems[1].stackSize + itemstack.stackSize; return result <= this.getInventoryStackLimit() && result <= itemstack.getMaxStackSize(); } public void smeltItem() { if (this.canSmelt()) { ItemStack resultItemStack = this.producingStack; if (this.containingItems[1] == null) { this.containingItems[1] = resultItemStack.copy(); } else if (this.containingItems[1].isItemEqual(resultItemStack)) { if (this.containingItems[1].stackSize + resultItemStack.stackSize > 64) { for (int i = 0; i < this.containingItems[1].stackSize + resultItemStack.stackSize - 64; i++) { float var = 0.7F; double dx = this.worldObj.rand.nextFloat() * var + (1.0F - var) * 0.5D; double dy = this.worldObj.rand.nextFloat() * var + (1.0F - var) * 0.5D; double dz = this.worldObj.rand.nextFloat() * var + (1.0F - var) * 0.5D; EntityItem entityitem = new EntityItem(this.worldObj, this.xCoord + dx, this.yCoord + dy, this.zCoord + dz, new ItemStack(resultItemStack.getItem(), 1, resultItemStack.getItemDamage())); entityitem.delayBeforeCanPickup = 10; this.worldObj.spawnEntityInWorld(entityitem); } } this.containingItems[1].stackSize += resultItemStack.stackSize; } for (int i = 0; i < this.compressingCraftMatrix.getSizeInventory(); i++) { this.compressingCraftMatrix.decrStackSize(i, 1); } } } @Override public void readFromNBT(NBTTagCompound par1NBTTagCompound) { super.readFromNBT(par1NBTTagCompound); this.processTicks = par1NBTTagCompound.getInteger("smeltingTicks"); NBTTagList var2 = par1NBTTagCompound.getTagList("Items"); this.containingItems = new ItemStack[this.getSizeInventory() - this.compressingCraftMatrix.getSizeInventory()]; for (int var3 = 0; var3 < var2.tagCount(); ++var3) { NBTTagCompound var4 = (NBTTagCompound) var2.tagAt(var3); byte var5 = var4.getByte("Slot"); if (var5 >= 0 && var5 < this.containingItems.length) { this.containingItems[var5] = ItemStack.loadItemStackFromNBT(var4); } else if (var5 < this.containingItems.length + this.compressingCraftMatrix.getSizeInventory()) { this.compressingCraftMatrix.setInventorySlotContents(var5 - this.containingItems.length, ItemStack.loadItemStackFromNBT(var4)); } } } @Override public void writeToNBT(NBTTagCompound par1NBTTagCompound) { super.writeToNBT(par1NBTTagCompound); par1NBTTagCompound.setInteger("smeltingTicks", this.processTicks); NBTTagList var2 = new NBTTagList(); int var3; for (var3 = 0; var3 < this.containingItems.length; ++var3) { if (this.containingItems[var3] != null) { NBTTagCompound var4 = new NBTTagCompound(); var4.setByte("Slot", (byte) var3); this.containingItems[var3].writeToNBT(var4); var2.appendTag(var4); } } for (var3 = 0; var3 < this.compressingCraftMatrix.getSizeInventory(); ++var3) { if (this.compressingCraftMatrix.getStackInSlot(var3) != null) { NBTTagCompound var4 = new NBTTagCompound(); var4.setByte("Slot", (byte) (var3 + this.containingItems.length)); this.compressingCraftMatrix.getStackInSlot(var3).writeToNBT(var4); var2.appendTag(var4); } } par1NBTTagCompound.setTag("Items", var2); } @Override public int getSizeInventory() { return this.containingItems.length + this.compressingCraftMatrix.getSizeInventory(); } @Override public ItemStack getStackInSlot(int par1) { if (par1 >= this.containingItems.length) { return this.compressingCraftMatrix.getStackInSlot(par1 - this.containingItems.length); } return this.containingItems[par1]; } @Override public ItemStack decrStackSize(int par1, int par2) { if (par1 >= this.containingItems.length) { return this.compressingCraftMatrix.decrStackSize(par1 - this.containingItems.length, par2); } if (this.containingItems[par1] != null) { ItemStack var3; if (this.containingItems[par1].stackSize <= par2) { var3 = this.containingItems[par1]; this.containingItems[par1] = null; return var3; } else { var3 = this.containingItems[par1].splitStack(par2); if (this.containingItems[par1].stackSize == 0) { this.containingItems[par1] = null; } return var3; } } else { return null; } } @Override public ItemStack getStackInSlotOnClosing(int par1) { if (par1 >= this.containingItems.length) { return this.compressingCraftMatrix.getStackInSlotOnClosing(par1 - this.containingItems.length); } if (this.containingItems[par1] != null) { ItemStack var2 = this.containingItems[par1]; this.containingItems[par1] = null; return var2; } else { return null; } } @Override public void setInventorySlotContents(int par1, ItemStack par2ItemStack) { if (par1 >= this.containingItems.length) { this.compressingCraftMatrix.setInventorySlotContents(par1 - this.containingItems.length, par2ItemStack); } else { this.containingItems[par1] = par2ItemStack; if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit()) { par2ItemStack.stackSize = this.getInventoryStackLimit(); } } } @Override public String getInvName() { return StatCollector.translateToLocal("tile.machine.3.name"); } @Override public int getInventoryStackLimit() { return 64; } @Override public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer) { return this.worldObj.getBlockTileEntity(this.xCoord, this.yCoord, this.zCoord) != this ? false : par1EntityPlayer.getDistanceSq(this.xCoord + 0.5D, this.yCoord + 0.5D, this.zCoord + 0.5D) <= 64.0D; } @Override public boolean isInvNameLocalized() { return true; } @Override public boolean isItemValidForSlot(int slotID, ItemStack itemStack) { return slotID == 1 ? FurnaceRecipes.smelting().getSmeltingResult(itemStack) != null : slotID == 0 ? itemStack.getItem() instanceof IItemElectric : false; } @Override public int[] getAccessibleSlotsFromSide(int side) { return side == 0 ? new int[] { 2 } : side == 1 ? new int[] { 0, 1 } : new int[] { 0 }; } @Override public boolean canInsertItem(int slotID, ItemStack par2ItemStack, int par3) { return this.isItemValidForSlot(slotID, par2ItemStack); } @Override public boolean canExtractItem(int slotID, ItemStack par2ItemStack, int par3) { return slotID == 2; } }