488 lines
16 KiB
Java
488 lines
16 KiB
Java
package net.minecraft.server;
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import java.util.List;
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// CraftBukkit start
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import org.bukkit.craftbukkit.entity.CraftHumanEntity;
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import org.bukkit.craftbukkit.inventory.CraftItemStack;
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import org.bukkit.entity.HumanEntity;
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import org.bukkit.event.inventory.InventoryMoveItemEvent;
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import org.bukkit.event.inventory.InventoryPickupItemEvent;
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import org.bukkit.inventory.Inventory;
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// CraftBukkit end
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public class TileEntityHopper extends TileEntity implements IHopper {
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private ItemStack[] a = new ItemStack[5];
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private String i;
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private int j = -1;
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// CraftBukkit start
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public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
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private int maxStack = MAX_STACK;
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public ItemStack[] getContents() {
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return this.a;
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}
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public void onOpen(CraftHumanEntity who) {
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transaction.add(who);
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}
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public void onClose(CraftHumanEntity who) {
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transaction.remove(who);
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}
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public List<HumanEntity> getViewers() {
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return transaction;
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}
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public void setMaxStackSize(int size) {
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maxStack = size;
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}
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// CraftBukkit end
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public TileEntityHopper() {}
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public void a(NBTTagCompound nbttagcompound) {
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super.a(nbttagcompound);
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NBTTagList nbttaglist = nbttagcompound.getList("Items", 10);
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this.a = new ItemStack[this.getSize()];
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if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
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this.i = nbttagcompound.getString("CustomName");
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}
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this.j = nbttagcompound.getInt("TransferCooldown");
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for (int i = 0; i < nbttaglist.size(); ++i) {
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NBTTagCompound nbttagcompound1 = nbttaglist.get(i);
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byte b0 = nbttagcompound1.getByte("Slot");
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if (b0 >= 0 && b0 < this.a.length) {
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this.a[b0] = ItemStack.createStack(nbttagcompound1);
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}
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}
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}
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public void b(NBTTagCompound nbttagcompound) {
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super.b(nbttagcompound);
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NBTTagList nbttaglist = new NBTTagList();
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for (int i = 0; i < this.a.length; ++i) {
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if (this.a[i] != null) {
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NBTTagCompound nbttagcompound1 = new NBTTagCompound();
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nbttagcompound1.setByte("Slot", (byte) i);
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this.a[i].save(nbttagcompound1);
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nbttaglist.add(nbttagcompound1);
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}
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}
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nbttagcompound.set("Items", nbttaglist);
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nbttagcompound.setInt("TransferCooldown", this.j);
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if (this.k_()) {
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nbttagcompound.setString("CustomName", this.i);
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}
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}
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public void update() {
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super.update();
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}
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public int getSize() {
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return this.a.length;
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}
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public ItemStack getItem(int i) {
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return this.a[i];
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}
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public ItemStack splitStack(int i, int j) {
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if (this.a[i] != null) {
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ItemStack itemstack;
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if (this.a[i].count <= j) {
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itemstack = this.a[i];
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this.a[i] = null;
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return itemstack;
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} else {
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itemstack = this.a[i].a(j);
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if (this.a[i].count == 0) {
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this.a[i] = null;
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}
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return itemstack;
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}
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} else {
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return null;
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}
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}
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public ItemStack splitWithoutUpdate(int i) {
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if (this.a[i] != null) {
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ItemStack itemstack = this.a[i];
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this.a[i] = null;
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return itemstack;
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} else {
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return null;
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}
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}
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public void setItem(int i, ItemStack itemstack) {
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this.a[i] = itemstack;
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if (itemstack != null && itemstack.count > this.getMaxStackSize()) {
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itemstack.count = this.getMaxStackSize();
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}
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}
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public String getInventoryName() {
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return this.k_() ? this.i : "container.hopper";
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}
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public boolean k_() {
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return this.i != null && this.i.length() > 0;
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}
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public void a(String s) {
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this.i = s;
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}
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public int getMaxStackSize() {
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return 64;
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}
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public boolean a(EntityHuman entityhuman) {
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return this.world.getTileEntity(this.x, this.y, this.z) != this ? false : entityhuman.e((double) this.x + 0.5D, (double) this.y + 0.5D, (double) this.z + 0.5D) <= 64.0D;
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}
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public void startOpen() {}
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public void l_() {}
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public boolean b(int i, ItemStack itemstack) {
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return true;
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}
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public void h() {
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if (this.world != null && !this.world.isStatic) {
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--this.j;
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if (!this.j()) {
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this.c(0);
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this.i();
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}
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}
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}
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public boolean i() {
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if (this.world != null && !this.world.isStatic) {
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if (!this.j() && BlockHopper.c(this.p())) {
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boolean flag = this.k();
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flag = suckInItems(this) || flag;
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if (flag) {
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this.c(8);
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this.update();
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return true;
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}
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}
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return false;
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} else {
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return false;
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}
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}
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private boolean k() {
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IInventory iinventory = this.l();
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if (iinventory == null) {
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return false;
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} else {
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for (int i = 0; i < this.getSize(); ++i) {
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if (this.getItem(i) != null) {
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ItemStack itemstack = this.getItem(i).cloneItemStack();
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// CraftBukkit start - Call event when pushing items into other inventories
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CraftItemStack oitemstack = CraftItemStack.asCraftMirror(this.splitStack(i, 1));
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Inventory destinationInventory;
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// Have to special case large chests as they work oddly
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if (iinventory instanceof InventoryLargeChest) {
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destinationInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((InventoryLargeChest) iinventory);
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} else {
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destinationInventory = iinventory.getOwner().getInventory();
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}
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InventoryMoveItemEvent event = new InventoryMoveItemEvent(this.getOwner().getInventory(), oitemstack.clone(), destinationInventory, true);
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this.getWorld().getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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this.setItem(i, itemstack);
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this.c(8); // Delay hopper checks
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return false;
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}
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ItemStack itemstack1 = addItem(iinventory, CraftItemStack.asNMSCopy(event.getItem()), Facing.OPPOSITE_FACING[BlockHopper.b(this.p())]);
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if (itemstack1 == null || itemstack1.count == 0) {
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if (event.getItem().equals(oitemstack)) {
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iinventory.update();
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} else {
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this.setItem(i, itemstack);
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}
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// CraftBukkit end
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return true;
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}
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this.setItem(i, itemstack);
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}
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}
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return false;
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}
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}
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public static boolean suckInItems(IHopper ihopper) {
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IInventory iinventory = getSourceInventory(ihopper);
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if (iinventory != null) {
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byte b0 = 0;
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if (iinventory instanceof IWorldInventory && b0 > -1) {
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IWorldInventory iworldinventory = (IWorldInventory) iinventory;
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int[] aint = iworldinventory.getSlotsForFace(b0);
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for (int i = 0; i < aint.length; ++i) {
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if (tryTakeInItemFromSlot(ihopper, iinventory, aint[i], b0)) {
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return true;
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}
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}
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} else {
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int j = iinventory.getSize();
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for (int k = 0; k < j; ++k) {
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if (tryTakeInItemFromSlot(ihopper, iinventory, k, b0)) {
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return true;
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}
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}
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}
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} else {
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EntityItem entityitem = getEntityItemAt(ihopper.getWorld(), ihopper.x(), ihopper.aD() + 1.0D, ihopper.aE());
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if (entityitem != null) {
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return addEntityItem(ihopper, entityitem);
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}
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}
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return false;
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}
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private static boolean tryTakeInItemFromSlot(IHopper ihopper, IInventory iinventory, int i, int j) {
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ItemStack itemstack = iinventory.getItem(i);
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if (itemstack != null && canTakeItemFromInventory(iinventory, itemstack, i, j)) {
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ItemStack itemstack1 = itemstack.cloneItemStack();
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// CraftBukkit start - Call event on collection of items from inventories into the hopper
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CraftItemStack oitemstack = CraftItemStack.asCraftMirror(iinventory.splitStack(i, 1));
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Inventory sourceInventory;
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// Have to special case large chests as they work oddly
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if (iinventory instanceof InventoryLargeChest) {
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sourceInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((InventoryLargeChest) iinventory);
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} else {
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sourceInventory = iinventory.getOwner().getInventory();
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}
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InventoryMoveItemEvent event = new InventoryMoveItemEvent(sourceInventory, oitemstack.clone(), ihopper.getOwner().getInventory(), false);
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ihopper.getWorld().getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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iinventory.setItem(i, itemstack1);
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if (ihopper instanceof TileEntityHopper) {
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((TileEntityHopper) ihopper).c(8); // Delay hopper checks
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} else if (ihopper instanceof EntityMinecartHopper) {
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((EntityMinecartHopper) ihopper).l(4); // Delay hopper minecart checks
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}
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return false;
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}
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ItemStack itemstack2 = addItem(ihopper, CraftItemStack.asNMSCopy(event.getItem()), -1);
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if (itemstack2 == null || itemstack2.count == 0) {
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if (event.getItem().equals(oitemstack)) {
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iinventory.update();
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} else {
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iinventory.setItem(i, itemstack1);
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}
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// CraftBukkit end
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return true;
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}
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iinventory.setItem(i, itemstack1);
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}
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return false;
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}
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public static boolean addEntityItem(IInventory iinventory, EntityItem entityitem) {
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boolean flag = false;
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if (entityitem == null) {
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return false;
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} else {
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// CraftBukkit start
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InventoryPickupItemEvent event = new InventoryPickupItemEvent(iinventory.getOwner().getInventory(), (org.bukkit.entity.Item) entityitem.getBukkitEntity());
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entityitem.world.getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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return false;
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}
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// CraftBukkit end
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ItemStack itemstack = entityitem.getItemStack().cloneItemStack();
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ItemStack itemstack1 = addItem(iinventory, itemstack, -1);
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if (itemstack1 != null && itemstack1.count != 0) {
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entityitem.setItemStack(itemstack1);
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} else {
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flag = true;
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entityitem.die();
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}
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return flag;
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}
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}
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public static ItemStack addItem(IInventory iinventory, ItemStack itemstack, int i) {
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if (iinventory instanceof IWorldInventory && i > -1) {
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IWorldInventory iworldinventory = (IWorldInventory) iinventory;
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int[] aint = iworldinventory.getSlotsForFace(i);
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for (int j = 0; j < aint.length && itemstack != null && itemstack.count > 0; ++j) {
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itemstack = tryMoveInItem(iinventory, itemstack, aint[j], i);
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}
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} else {
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int k = iinventory.getSize();
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for (int l = 0; l < k && itemstack != null && itemstack.count > 0; ++l) {
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itemstack = tryMoveInItem(iinventory, itemstack, l, i);
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}
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}
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if (itemstack != null && itemstack.count == 0) {
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itemstack = null;
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}
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return itemstack;
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}
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private static boolean canPlaceItemInInventory(IInventory iinventory, ItemStack itemstack, int i, int j) {
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return !iinventory.b(i, itemstack) ? false : !(iinventory instanceof IWorldInventory) || ((IWorldInventory) iinventory).canPlaceItemThroughFace(i, itemstack, j);
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}
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private static boolean canTakeItemFromInventory(IInventory iinventory, ItemStack itemstack, int i, int j) {
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return !(iinventory instanceof IWorldInventory) || ((IWorldInventory) iinventory).canTakeItemThroughFace(i, itemstack, j);
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}
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private static ItemStack tryMoveInItem(IInventory iinventory, ItemStack itemstack, int i, int j) {
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ItemStack itemstack1 = iinventory.getItem(i);
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if (canPlaceItemInInventory(iinventory, itemstack, i, j)) {
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boolean flag = false;
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if (itemstack1 == null) {
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iinventory.setItem(i, itemstack);
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itemstack = null;
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flag = true;
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} else if (canMergeItems(itemstack1, itemstack)) {
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int k = itemstack.getMaxStackSize() - itemstack1.count;
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int l = Math.min(itemstack.count, k);
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itemstack.count -= l;
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itemstack1.count += l;
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flag = l > 0;
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}
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if (flag) {
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if (iinventory instanceof TileEntityHopper) {
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((TileEntityHopper) iinventory).c(8);
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iinventory.update();
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}
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iinventory.update();
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}
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}
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return itemstack;
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}
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private IInventory l() {
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int i = BlockHopper.b(this.p());
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return getInventoryAt(this.getWorld(), (double) (this.x + Facing.b[i]), (double) (this.y + Facing.c[i]), (double) (this.z + Facing.d[i]));
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}
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public static IInventory getSourceInventory(IHopper ihopper) {
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return getInventoryAt(ihopper.getWorld(), ihopper.x(), ihopper.aD() + 1.0D, ihopper.aE());
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}
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public static EntityItem getEntityItemAt(World world, double d0, double d1, double d2) {
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List list = world.a(EntityItem.class, AxisAlignedBB.a().a(d0, d1, d2, d0 + 1.0D, d1 + 1.0D, d2 + 1.0D), IEntitySelector.a);
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return list.size() > 0 ? (EntityItem) list.get(0) : null;
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}
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public static IInventory getInventoryAt(World world, double d0, double d1, double d2) {
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IInventory iinventory = null;
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int i = MathHelper.floor(d0);
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int j = MathHelper.floor(d1);
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int k = MathHelper.floor(d2);
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TileEntity tileentity = world.getTileEntity(i, j, k);
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if (tileentity != null && tileentity instanceof IInventory) {
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iinventory = (IInventory) tileentity;
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if (iinventory instanceof TileEntityChest) {
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Block block = world.getType(i, j, k);
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if (block instanceof BlockChest) {
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iinventory = ((BlockChest) block).m(world, i, j, k);
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}
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}
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}
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if (iinventory == null) {
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List list = world.getEntities((Entity) null, AxisAlignedBB.a().a(d0, d1, d2, d0 + 1.0D, d1 + 1.0D, d2 + 1.0D), IEntitySelector.b);
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if (list != null && list.size() > 0) {
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iinventory = (IInventory) list.get(world.random.nextInt(list.size()));
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}
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}
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return iinventory;
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}
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private static boolean canMergeItems(ItemStack itemstack, ItemStack itemstack1) {
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return itemstack.getItem() != itemstack1.getItem() ? false : (itemstack.getData() != itemstack1.getData() ? false : (itemstack.count > itemstack.getMaxStackSize() ? false : ItemStack.equals(itemstack, itemstack1)));
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}
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public double x() {
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return (double) this.x;
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}
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public double aD() {
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return (double) this.y;
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}
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public double aE() {
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return (double) this.z;
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}
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public void c(int i) {
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this.j = i;
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}
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public boolean j() {
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return this.j > 0;
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}
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}
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