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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com>
Date: Sat, 22 Jun 2024 21:17:54 +0200
Subject: [PATCH] Leashable API
diff --git a/src/main/java/io/papermc/paper/entity/PaperLeashable.java b/src/main/java/io/papermc/paper/entity/PaperLeashable.java
new file mode 100644
index 0000000000000000000000000000000000000000..a9ddf9a4a07cd29833f38d7e5f42b2b14ec98f78
--- /dev/null
+++ b/src/main/java/io/papermc/paper/entity/PaperLeashable.java
@@ -0,0 +1,50 @@
+package io.papermc.paper.entity;
+
+import com.google.common.base.Preconditions;
+import net.minecraft.world.entity.Leashable;
+import org.bukkit.craftbukkit.entity.CraftEntity;
+import org.bukkit.entity.Entity;
+
+public interface PaperLeashable extends io.papermc.paper.entity.Leashable {
+
+ Leashable getHandle();
+
+ @Override
+ default boolean isLeashed() {
+ return this.getHandle().getLeashHolder() != null;
+ }
+
+ @Override
+ default Entity getLeashHolder() throws IllegalStateException {
+ Preconditions.checkState(this.isLeashed(), "Entity not leashed");
+ return this.getHandle().getLeashHolder().getBukkitEntity();
+ }
+
+ private boolean unleash() {
+ if (!this.isLeashed()) {
+ return false;
+ }
+
+ this.getHandle().dropLeash(true, false);
+ return true;
+ }
+
+ @Override
+ default boolean setLeashHolder(Entity holder) {
+ if (this.getHandle() instanceof net.minecraft.world.entity.Entity entity && entity.generation) {
+ return false;
+ }
+
+ if (holder == null) {
+ return this.unleash();
+ }
+
+ if (holder.isDead()) {
+ return false;
+ }
+
+ this.unleash();
+ this.getHandle().setLeashedTo(((CraftEntity) holder).getHandle(), true);
+ return true;
+ }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java
index e33b1b6fd50a4eea57500cc00dba20d6edcab75d..01a9660de65688b7c1a4f9dafcb650774ce1853b 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java
@@ -7,7 +7,7 @@ import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.entity.Boat;
import org.bukkit.entity.Entity;
-public class CraftBoat extends CraftVehicle implements Boat {
+public class CraftBoat extends CraftVehicle implements Boat, io.papermc.paper.entity.PaperLeashable { // Paper - Leashable API
public CraftBoat(CraftServer server, net.minecraft.world.entity.vehicle.Boat entity) {
super(server, entity);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 7e280955067169f63f15162e9cad1e86e824a8e5..4750df7354ccb5afd0910efe0415f3a2eb19a546 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -777,43 +777,17 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
@Override
public boolean isLeashed() {
- if (!(this.getHandle() instanceof Mob)) {
- return false;
- }
- return ((Mob) this.getHandle()).getLeashHolder() != null;
+ return false; // Paper - implement in CraftMob & PaperLeashable
}
@Override
public Entity getLeashHolder() throws IllegalStateException {
- Preconditions.checkState(this.isLeashed(), "Entity not leashed");
- return ((Mob) this.getHandle()).getLeashHolder().getBukkitEntity();
- }
-
- private boolean unleash() {
- if (!this.isLeashed()) {
- return false;
- }
- ((Mob) this.getHandle()).dropLeash(true, false);
- return true;
+ throw new IllegalStateException("Entity not leashed"); // Paper - implement in CraftMob & PaperLeashable
}
@Override
public boolean setLeashHolder(Entity holder) {
- if (this.getHandle().generation || (this.getHandle() instanceof WitherBoss) || !(this.getHandle() instanceof Mob)) {
- return false;
- }
-
- if (holder == null) {
- return this.unleash();
- }
-
- if (holder.isDead()) {
- return false;
- }
-
- this.unleash();
- ((Mob) this.getHandle()).setLeashedTo(((CraftEntity) holder).getHandle(), true);
- return true;
+ return false; // Paper - implement in CraftMob & PaperLeashable
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
index deb66c04abefb4a88521483db1612e494bd27164..5f9f7e325e3e0276f7a475c4a4725cc0e1b54afd 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
@@ -11,7 +11,7 @@ import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Mob;
import org.bukkit.loot.LootTable;
-public abstract class CraftMob extends CraftLivingEntity implements Mob {
+public abstract class CraftMob extends CraftLivingEntity implements Mob, io.papermc.paper.entity.PaperLeashable { // Paper - Leashable API
public CraftMob(CraftServer server, net.minecraft.world.entity.Mob entity) {
super(server, entity);
paperPathfinder = new com.destroystokyo.paper.entity.PaperPathfinder(entity); // Paper - Mob Pathfinding API
@@ -175,4 +175,21 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
return getHandle().getExperienceReward((ServerLevel) this.getHandle().level(), null);
}
// Paper end
+
+ // Paper start - Leashable API
+ @Override
+ public boolean isLeashed() {
+ return io.papermc.paper.entity.PaperLeashable.super.isLeashed();
+ }
+
+ @Override
+ public org.bukkit.entity.Entity getLeashHolder() throws IllegalStateException {
+ return io.papermc.paper.entity.PaperLeashable.super.getLeashHolder();
+ }
+
+ @Override
+ public boolean setLeashHolder(final org.bukkit.entity.Entity holder) {
+ return io.papermc.paper.entity.PaperLeashable.super.setLeashHolder(holder);
+ }
+ // Paper end - Leashable API
}
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