Shoulder Entities Release API

Let's you eject the Parrot naturally and get the newly spawned Parrot.
This commit is contained in:
Aikar 2017-06-17 15:20:25 -04:00
parent 76cede4391
commit 68e8778890
2 changed files with 141 additions and 0 deletions

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@ -0,0 +1,38 @@
From 0f4372eeeb3c321f531296efa2fd42ca7cde3205 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 17 Jun 2017 15:04:51 -0400
Subject: [PATCH] Shoulder Entities Release API
diff --git a/src/main/java/org/bukkit/entity/HumanEntity.java b/src/main/java/org/bukkit/entity/HumanEntity.java
index 518aa2a9..3939d4af 100644
--- a/src/main/java/org/bukkit/entity/HumanEntity.java
+++ b/src/main/java/org/bukkit/entity/HumanEntity.java
@@ -256,6 +256,24 @@ public interface HumanEntity extends LivingEntity, AnimalTamer, Permissible, Inv
*/
public int getExpToLevel();
+ // Paper start
+ /**
+ * If there is an Entity on this entities left shoulder, it will be released to the world and returned.
+ * If no Entity is released, null will be returned.
+ *
+ * @return The released entity, or null
+ */
+ public Entity releaseLeftShoulderEntity();
+
+ /**
+ * If there is an Entity on this entities left shoulder, it will be released to the world and returned.
+ * If no Entity is released, null will be returned.
+ *
+ * @return The released entity, or null
+ */
+ public Entity releaseRightShoulderEntity();
+ // Paper end
+
/**
* Gets the entity currently perched on the left shoulder or null if no
* entity.
--
2.13.0

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@ -0,0 +1,103 @@
From a45a01185dfcb1c4c70a6d8428852ffa20673043 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 17 Jun 2017 15:18:30 -0400
Subject: [PATCH] Shoulder Entities Release API
diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index f5e25e63d..8f3cefaa8 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -1717,21 +1717,48 @@ public abstract class EntityHuman extends EntityLiving {
}
// CraftBukkit end
}
+ // Paper start
+ public Entity releaseLeftShoulderEntity() {
+ Entity entity = this.spawnEntityFromShoulder0(this.getShoulderEntityLeft());
+ if (entity != null) {
+ this.setShoulderEntityLeft(new NBTTagCompound());
+ }
+ return entity;
+ }
- private boolean spawnEntityFromShoulder(@Nullable NBTTagCompound nbttagcompound) { // CraftBukkit void->boolean
- if (!this.world.isClientSide && !nbttagcompound.isEmpty()) {
+ public Entity releaseRightShoulderEntity() {
+ Entity entity = this.spawnEntityFromShoulder0(this.getShoulderEntityRight());
+ if (entity != null) {
+ this.setShoulderEntityRight(new NBTTagCompound());
+ }
+ return entity;
+ }
+
+ // Paper - incase any plugins used NMS to call this... old method signature to avoid other diff
+ private boolean spawnEntityFromShoulder(@Nullable NBTTagCompound nbttagcompound) {
+ return spawnEntityFromShoulder0(nbttagcompound) != null;
+ }
+ // Paper - Moved to new method that now returns entiy, and properly null checks
+ private Entity spawnEntityFromShoulder0(@Nullable NBTTagCompound nbttagcompound) { // CraftBukkit void->boolean - Paper - return Entity
+ if (!this.world.isClientSide && nbttagcompound != null && !nbttagcompound.isEmpty()) { // Paper - null check
Entity entity = EntityTypes.a(nbttagcompound, this.world);
+ if (entity == null) { // Paper - null check
+ return null;
+ }
if (entity instanceof EntityTameableAnimal) {
((EntityTameableAnimal) entity).setOwnerUUID(this.uniqueID);
}
entity.setPosition(this.locX, this.locY + 0.699999988079071D, this.locZ);
- return this.world.addEntity(entity, CreatureSpawnEvent.SpawnReason.SHOULDER_ENTITY); // CraftBukkit
+ if (this.world.addEntity(entity, CreatureSpawnEvent.SpawnReason.SHOULDER_ENTITY)) { // CraftBukkit
+ return entity;
+ }
}
- return true; // CraftBukkit
+ return null;
}
+ // Paper end
public abstract boolean isSpectator();
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
index 25e1e5a3f..463dddc98 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
@@ -441,6 +441,32 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
getHandle().getCooldownTracker().a(CraftMagicNumbers.getItem(material), ticks);
}
+ // Paper start
+ @Override
+ public org.bukkit.entity.Entity releaseLeftShoulderEntity() {
+ if (!getHandle().getShoulderEntityLeft().isEmpty()) {
+ Entity entity = getHandle().releaseLeftShoulderEntity();
+ if (entity != null) {
+ return entity.getBukkitEntity();
+ }
+ }
+
+ return null;
+ }
+
+ @Override
+ public org.bukkit.entity.Entity releaseRightShoulderEntity() {
+ if (!getHandle().getShoulderEntityRight().isEmpty()) {
+ Entity entity = getHandle().releaseRightShoulderEntity();
+ if (entity != null) {
+ return entity.getBukkitEntity();
+ }
+ }
+
+ return null;
+ }
+ // Paper end
+
@Override
public org.bukkit.entity.Entity getShoulderEntityLeft() {
if (!getHandle().getShoulderEntityLeft().isEmpty()) {
--
2.13.0