From a8b56634a5ca81cad0a7290711a6054000a28f7c Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sat, 8 Feb 2020 23:26:18 -0600
Subject: [PATCH] Entity Jump API


diff --git a/src/main/java/com/destroystokyo/paper/event/entity/EntityJumpEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/EntityJumpEvent.java
new file mode 100644
index 00000000..f0067c2e
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/entity/EntityJumpEvent.java
@@ -0,0 +1,46 @@
+package com.destroystokyo.paper.event.entity;
+
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when an entity jumps
+ * <p>
+ * Cancelling the event will stop the entity from jumping
+ */
+public class EntityJumpEvent extends EntityEvent implements Cancellable {
+    private static final HandlerList handlers = new HandlerList();
+    private boolean canceled;
+
+    public EntityJumpEvent(@NotNull LivingEntity entity) {
+        super(entity);
+    }
+
+    @NotNull
+    @Override
+    public LivingEntity getEntity() {
+        return (LivingEntity) entity;
+    }
+
+    public boolean isCancelled() {
+        return canceled;
+    }
+
+    public void setCancelled(boolean cancel) {
+        canceled = cancel;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}
diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
index 240f276c..77f4246d 100644
--- a/src/main/java/org/bukkit/entity/LivingEntity.java
+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
@@ -680,5 +680,25 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
      * @return Whether or not this entity is using or charging an attack (Bow pulled back, drinking potion, eating food)
      */
     boolean isHandRaised();
+
+    /**
+     * Get entity jump state.
+     * <p>
+     * Jump state will be true when the entity has been marked to jump.
+     *
+     * @return entity jump state.
+     */
+    boolean isJumping();
+
+    /**
+     * Set entity jump state
+     * <p>
+     * Setting to true will mark the entity to jump.
+     * <p>
+     * Setting to false will unmark the entity to jump but will not stop a jump already in-progress.
+     *
+     * @param jumping entity jump state
+     */
+    void setJumping(boolean jumping);
     // Paper end
 }
-- 
2.25.0