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path: root/nms-patches/EntityItem.patch
blob: 078275d7d9a50d518019eb0e63feae2eaabf7206 (plain)
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--- a/net/minecraft/server/EntityItem.java
+++ b/net/minecraft/server/EntityItem.java
@@ -4,6 +4,7 @@
 import javax.annotation.Nullable;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.bukkit.event.player.PlayerPickupItemEvent; // CraftBukkit
 
 public class EntityItem extends Entity {
 
@@ -15,6 +16,7 @@
     private String g;
     private String h;
     public float a;
+    private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
 
     public EntityItem(World world, double d0, double d1, double d2) {
         super(world);
@@ -54,9 +56,12 @@
             this.die();
         } else {
             super.B_();
-            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;
@@ -104,9 +109,11 @@
                 this.motY *= -0.5D;
             }
 
+            /* Craftbukkit start - moved up
             if (this.age != -32768) {
                 ++this.age;
             }
+            // Craftbukkit end */
 
             this.aq();
             if (!this.world.isClientSide) {
@@ -121,6 +128,12 @@
             }
 
             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();
             }
 
@@ -162,6 +175,7 @@
                     } 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);
@@ -208,6 +222,11 @@
         } 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.ax();
             this.f = (int) ((float) this.f - f);
             if (this.f <= 0) {
@@ -270,6 +289,26 @@
             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);
+                PlayerPickupItemEvent event = new PlayerPickupItemEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), (org.bukkit.entity.Item) this.getBukkitEntity(), remaining);
+                // event.setCancelled(!entityhuman.canPickUpLoot); TODO
+                this.world.getServer().getPluginManager().callEvent(event);
+                itemstack.setCount(canHold + remaining);
+
+                if (event.isCancelled()) {
+                    return;
+                }
+
+                // Possibly < 0; fix here so we do not have to modify code below
+                this.pickupDelay = 0;
+            }
+            // CraftBukkit end
+
             if (this.pickupDelay == 0 && (this.h == null || 6000 - this.age <= 200 || this.h.equals(entityhuman.getName())) && entityhuman.inventory.pickup(itemstack)) {
                 entityhuman.receive(this, i);
                 if (itemstack.isEmpty()) {