Paper/nms-patches/TileEntityHopper.patch
2018-12-13 11:00:00 +11:00

139 lines
6.1 KiB
Diff

--- a/net/minecraft/server/TileEntityHopper.java
+++ b/net/minecraft/server/TileEntityHopper.java
@@ -7,12 +7,46 @@
import java.util.stream.Collectors;
import javax.annotation.Nullable;
+// CraftBukkit start
+import org.bukkit.craftbukkit.entity.CraftHumanEntity;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.event.inventory.InventoryMoveItemEvent;
+import org.bukkit.event.inventory.InventoryPickupItemEvent;
+import org.bukkit.inventory.Inventory;
+// CraftBukkit end
+
public class TileEntityHopper extends TileEntityLootable implements IHopper, ITickable {
private NonNullList<ItemStack> items;
private int f;
private long j;
+ // CraftBukkit start - add fields and methods
+ public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
+ private int maxStack = MAX_STACK;
+
+ public List<ItemStack> getContents() {
+ return this.items;
+ }
+
+ public void onOpen(CraftHumanEntity who) {
+ transaction.add(who);
+ }
+
+ public void onClose(CraftHumanEntity who) {
+ transaction.remove(who);
+ }
+
+ public List<HumanEntity> getViewers() {
+ return transaction;
+ }
+
+ public void setMaxStackSize(int size) {
+ maxStack = size;
+ }
+ // CraftBukkit end
+
public TileEntityHopper() {
super(TileEntityTypes.HOPPER);
this.items = NonNullList.a(5, ItemStack.a);
@@ -72,7 +106,7 @@
}
public int getMaxStackSize() {
- return 64;
+ return maxStack; // CraftBukkit
}
public void tick() {
@@ -165,7 +199,28 @@
for (int i = 0; i < this.getSize(); ++i) {
if (!this.getItem(i).isEmpty()) {
ItemStack itemstack = this.getItem(i).cloneItemStack();
- ItemStack itemstack1 = addItem(this, iinventory, this.splitStack(i, 1), enumdirection);
+ // ItemStack itemstack1 = addItem(this, iinventory, this.splitStack(i, 1), enumdirection);
+
+ // CraftBukkit start - Call event when pushing items into other inventories
+ CraftItemStack oitemstack = CraftItemStack.asCraftMirror(this.splitStack(i, 1));
+
+ Inventory destinationInventory;
+ // Have to special case large chests as they work oddly
+ if (iinventory instanceof InventoryLargeChest) {
+ destinationInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((InventoryLargeChest) iinventory);
+ } else {
+ destinationInventory = iinventory.getOwner().getInventory();
+ }
+
+ InventoryMoveItemEvent event = new InventoryMoveItemEvent(this.getOwner().getInventory(), oitemstack.clone(), destinationInventory, true);
+ this.getWorld().getServer().getPluginManager().callEvent(event);
+ if (event.isCancelled()) {
+ this.setItem(i, itemstack);
+ this.setCooldown(8); // Delay hopper checks
+ return false;
+ }
+ ItemStack itemstack1 = addItem(this, iinventory, CraftItemStack.asNMSCopy(event.getItem()), enumdirection);
+ // CraftBukkit end
if (itemstack1.isEmpty()) {
iinventory.update();
@@ -290,7 +345,34 @@
if (!itemstack.isEmpty() && b(iinventory, itemstack, i, enumdirection)) {
ItemStack itemstack1 = itemstack.cloneItemStack();
- ItemStack itemstack2 = addItem(iinventory, ihopper, iinventory.splitStack(i, 1), (EnumDirection) null);
+ // ItemStack itemstack2 = addItem(iinventory, ihopper, iinventory.splitStack(i, 1), (EnumDirection) null);
+ // CraftBukkit start - Call event on collection of items from inventories into the hopper
+ CraftItemStack oitemstack = CraftItemStack.asCraftMirror(iinventory.splitStack(i, 1));
+
+ Inventory sourceInventory;
+ // Have to special case large chests as they work oddly
+ if (iinventory instanceof InventoryLargeChest) {
+ sourceInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((InventoryLargeChest) iinventory);
+ } else {
+ sourceInventory = iinventory.getOwner().getInventory();
+ }
+
+ InventoryMoveItemEvent event = new InventoryMoveItemEvent(sourceInventory, oitemstack.clone(), ihopper.getOwner().getInventory(), false);
+
+ ihopper.getWorld().getServer().getPluginManager().callEvent(event);
+ if (event.isCancelled()) {
+ iinventory.setItem(i, itemstack1);
+
+ if (ihopper instanceof TileEntityHopper) {
+ ((TileEntityHopper) ihopper).setCooldown(8); // Delay hopper checks
+ } else if (ihopper instanceof EntityMinecartHopper) {
+ ((EntityMinecartHopper) ihopper).setCooldown(4); // Delay hopper minecart checks
+ }
+
+ return false;
+ }
+ ItemStack itemstack2 = addItem(iinventory, ihopper, CraftItemStack.asNMSCopy(event.getItem()), null);
+ // CraftBukkit end
if (itemstack2.isEmpty()) {
iinventory.update();
@@ -305,6 +387,13 @@
public static boolean a(IInventory iinventory, EntityItem entityitem) {
boolean flag = false;
+ // CraftBukkit start
+ InventoryPickupItemEvent event = new InventoryPickupItemEvent(iinventory.getOwner().getInventory(), (org.bukkit.entity.Item) entityitem.getBukkitEntity());
+ entityitem.world.getServer().getPluginManager().callEvent(event);
+ if (event.isCancelled()) {
+ return false;
+ }
+ // CraftBukkit end
ItemStack itemstack = entityitem.getItemStack().cloneItemStack();
ItemStack itemstack1 = addItem((IInventory) null, iinventory, itemstack, (EnumDirection) null);