Paper/nms-patches/EntityItem.patch

131 lines
5.4 KiB
Diff

--- a/net/minecraft/server/EntityItem.java
+++ b/net/minecraft/server/EntityItem.java
@@ -3,16 +3,21 @@
import java.util.Iterator;
import java.util.UUID;
import javax.annotation.Nullable;
+// CraftBukkit start
+import org.bukkit.event.entity.EntityPickupItemEvent;
+import org.bukkit.event.player.PlayerPickupItemEvent;
+// CraftBukkit end
public class EntityItem extends Entity {
private static final DataWatcherObject<ItemStack> b = DataWatcher.a(EntityItem.class, DataWatcherRegistry.g);
- private int age;
+ public int age; // PAIL
public int pickupDelay;
private int e;
private UUID f;
private UUID g;
public float a;
+ private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
public EntityItem(World world) {
super(EntityTypes.ITEM, world);
@@ -48,9 +53,12 @@
this.die();
} else {
super.tick();
- if (this.pickupDelay > 0 && this.pickupDelay != 32767) {
- --this.pickupDelay;
- }
+ // CraftBukkit start - Use wall time for pickup and despawn timers
+ int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
+ if (this.pickupDelay != 32767) this.pickupDelay -= elapsedTicks;
+ if (this.age != -32768) this.age += elapsedTicks;
+ this.lastTick = MinecraftServer.currentTick;
+ // CraftBukkit end
this.lastX = this.locX;
this.lastY = this.locY;
@@ -100,9 +108,11 @@
this.motY *= -0.5D;
}
+ /* Craftbukkit start - moved up
if (this.age != -32768) {
++this.age;
}
+ // Craftbukkit end */
this.impulse |= this.at();
if (!this.world.isClientSide) {
@@ -117,6 +127,12 @@
}
if (!this.world.isClientSide && this.age >= 6000) {
+ // CraftBukkit start - fire ItemDespawnEvent
+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callItemDespawnEvent(this).isCancelled()) {
+ this.age = 0;
+ return;
+ }
+ // CraftBukkit end
this.die();
}
@@ -165,6 +181,7 @@
} else if (itemstack1.getCount() + itemstack.getCount() > itemstack1.getMaxStackSize()) {
return false;
} else {
+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callItemMergeEvent(this, entityitem).isCancelled()) return false; // CraftBukkit
itemstack1.add(itemstack.getCount());
entityitem.pickupDelay = Math.max(entityitem.pickupDelay, this.pickupDelay);
entityitem.age = Math.min(entityitem.age, this.age);
@@ -197,6 +214,11 @@
} else if (!this.getItemStack().isEmpty() && this.getItemStack().getItem() == Items.NETHER_STAR && damagesource.isExplosion()) {
return false;
} else {
+ // CraftBukkit start
+ if (org.bukkit.craftbukkit.event.CraftEventFactory.handleNonLivingEntityDamageEvent(this, damagesource, f)) {
+ return false;
+ }
+ // CraftBukkit end
this.aA();
this.e = (int) ((float) this.e - f);
if (this.e <= 0) {
@@ -255,6 +277,35 @@
Item item = itemstack.getItem();
int i = itemstack.getCount();
+ // CraftBukkit start - fire PlayerPickupItemEvent
+ int canHold = entityhuman.inventory.canHold(itemstack);
+ int remaining = i - canHold;
+
+ if (this.pickupDelay <= 0 && canHold > 0) {
+ itemstack.setCount(canHold);
+ // Call legacy event
+ PlayerPickupItemEvent playerEvent = new PlayerPickupItemEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), (org.bukkit.entity.Item) this.getBukkitEntity(), remaining);
+ playerEvent.setCancelled(!entityhuman.canPickUpLoot);
+ this.world.getServer().getPluginManager().callEvent(playerEvent);
+ if (playerEvent.isCancelled()) {
+ return;
+ }
+
+ // Call newer event afterwards
+ EntityPickupItemEvent entityEvent = new EntityPickupItemEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), (org.bukkit.entity.Item) this.getBukkitEntity(), remaining);
+ entityEvent.setCancelled(!entityhuman.canPickUpLoot);
+ this.world.getServer().getPluginManager().callEvent(entityEvent);
+ if (entityEvent.isCancelled()) {
+ return;
+ }
+
+ itemstack.setCount(canHold + remaining);
+
+ // Possibly < 0; fix here so we do not have to modify code below
+ this.pickupDelay = 0;
+ }
+ // CraftBukkit end
+
if (this.pickupDelay == 0 && (this.g == null || 6000 - this.age <= 200 || this.g.equals(entityhuman.getUniqueID())) && entityhuman.inventory.pickup(itemstack)) {
entityhuman.receive(this, i);
if (itemstack.isEmpty()) {
@@ -294,6 +345,7 @@
}
public void setItemStack(ItemStack itemstack) {
+ com.google.common.base.Preconditions.checkArgument(!itemstack.isEmpty(), "Cannot drop air"); // CraftBukkit
this.getDataWatcher().set(EntityItem.b, itemstack);
}