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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Thu, 28 Sep 2017 17:21:32 -0400
Subject: [PATCH] Add PlayerJumpEvent
diff --git a/src/main/java/com/destroystokyo/paper/event/player/PlayerJumpEvent.java b/src/main/java/com/destroystokyo/paper/event/player/PlayerJumpEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..8c2fd2c1120d634052f9bc345365272ad3a67b6f
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/player/PlayerJumpEvent.java
@@ -0,0 +1,106 @@
+package com.destroystokyo.paper.event.player;
+
+import com.google.common.base.Preconditions;
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when the server detects the player is jumping.
+ * <p>
+ * Added to avoid the overhead and special case logic that many plugins use
+ * when checking for jumps via {@link PlayerMoveEvent}, this event is fired whenever
+ * the server detects that the player is jumping.
+ */
+public class PlayerJumpEvent extends PlayerEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ @NotNull private final Location to;
+ @NotNull private Location from;
+
+ private boolean cancelled;
+
+ @ApiStatus.Internal
+ public PlayerJumpEvent(@NotNull final Player player, @NotNull final Location from, @NotNull final Location to) {
+ super(player);
+ this.from = from;
+ this.to = to;
+ }
+
+ /**
+ * {@inheritDoc}
+ * <p>
+ * If a jump event is cancelled, the player will be moved or
+ * teleported back to the Location as defined by {@link #getFrom()}. This will not
+ * fire an event
+ *
+ * @return {@code true} if this event is cancelled
+ */
+ public boolean isCancelled() {
+ return this.cancelled;
+ }
+
+ /**
+ * {@inheritDoc}
+ * <p>
+ * If a jump event is cancelled, the player will be moved or
+ * teleported back to the Location as defined by {@link #getFrom()}. This will not
+ * fire an event
+ *
+ * @param cancel {@code true} if you wish to cancel this event
+ */
+ public void setCancelled(boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ /**
+ * Gets the location this player jumped from
+ *
+ * @return Location the player jumped from
+ */
+ @NotNull
+ public Location getFrom() {
+ return this.from;
+ }
+
+ /**
+ * Sets the location to mark as where the player jumped from
+ *
+ * @param from New location to mark as the players previous location
+ */
+ public void setFrom(@NotNull Location from) {
+ Preconditions.checkArgument(from != null, "Cannot use null from location!");
+ Preconditions.checkArgument(from.getWorld() != null, "Cannot use from location with null world!");
+ this.from = from;
+ }
+
+ /**
+ * Gets the location this player jumped to
+ * <p>
+ * This information is based on what the client sends, it typically
+ * has little relation to the arc of the jump at any given point.
+ *
+ * @return Location the player jumped to
+ */
+ @NotNull
+ public Location getTo() {
+ return this.to.clone();
+ }
+
+ @NotNull
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+}
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