Paper/patches/api/0251-EntityMoveEvent.patch
2024-04-23 10:02:08 -07:00

163 lines
5.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Tue, 11 Feb 2020 21:56:38 -0600
Subject: [PATCH] EntityMoveEvent
diff --git a/src/main/java/io/papermc/paper/event/entity/EntityMoveEvent.java b/src/main/java/io/papermc/paper/event/entity/EntityMoveEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..46990a220f70b04218b14aec1e9efbd46c2ad77c
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/entity/EntityMoveEvent.java
@@ -0,0 +1,150 @@
+package io.papermc.paper.event.entity;
+
+import com.google.common.base.Preconditions;
+import org.bukkit.Location;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Holds information for living entity movement events
+ * <p>
+ * Does not fire for players; use {@link PlayerMoveEvent} for player movement.
+ */
+public class EntityMoveEvent extends EntityEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private Location from;
+ private Location to;
+
+ private boolean cancelled;
+
+ @ApiStatus.Internal
+ public EntityMoveEvent(@NotNull LivingEntity entity, @NotNull Location from, @NotNull Location to) {
+ super(entity);
+ this.from = from;
+ this.to = to;
+ }
+
+ @Override
+ @NotNull
+ public LivingEntity getEntity() {
+ return (LivingEntity) super.getEntity();
+ }
+
+ /**
+ * Gets the location this entity moved from
+ *
+ * @return Location the entity moved from
+ */
+ @NotNull
+ public Location getFrom() {
+ return this.from;
+ }
+
+ /**
+ * Sets the location to mark as where the entity moved from
+ *
+ * @param from New location to mark as the entity's previous location
+ */
+ public void setFrom(@NotNull Location from) {
+ validateLocation(from);
+ this.from = from;
+ }
+
+ /**
+ * Gets the location this entity moved to
+ *
+ * @return Location the entity moved to
+ */
+ @NotNull
+ public Location getTo() {
+ return this.to;
+ }
+
+ /**
+ * Sets the location that this entity will move to
+ *
+ * @param to New Location this entity will move to
+ */
+ public void setTo(@NotNull Location to) {
+ validateLocation(to);
+ this.to = to;
+ }
+
+ /**
+ * Check if the entity has changed position (even within the same block) in the event
+ *
+ * @return whether the entity has changed position or not
+ */
+ public boolean hasChangedPosition() {
+ return hasExplicitlyChangedPosition() || !this.from.getWorld().equals(this.to.getWorld());
+ }
+
+ /**
+ * Check if the entity has changed position (even within the same block) in the event, disregarding a possible world change
+ *
+ * @return whether the entity has changed position or not
+ */
+ public boolean hasExplicitlyChangedPosition() {
+ return this.from.getX() != this.to.getX() || this.from.getY() != this.to.getY() || this.from.getZ() != this.to.getZ();
+ }
+
+ /**
+ * Check if the entity has moved to a new block in the event
+ *
+ * @return whether the entity has moved to a new block or not
+ */
+ public boolean hasChangedBlock() {
+ return hasExplicitlyChangedBlock() || !from.getWorld().equals(to.getWorld());
+ }
+
+ /**
+ * Check if the entity has moved to a new block in the event, disregarding a possible world change
+ *
+ * @return whether the entity has moved to a new block or not
+ */
+ public boolean hasExplicitlyChangedBlock() {
+ return this.from.getBlockX() != this.to.getBlockX() || this.from.getBlockY() != this.to.getBlockY() || this.from.getBlockZ() != this.to.getBlockZ();
+ }
+
+ /**
+ * Check if the entity has changed orientation in the event
+ *
+ * @return whether the entity has changed orientation or not
+ */
+ public boolean hasChangedOrientation() {
+ return this.from.getPitch() != this.to.getPitch() || this.from.getYaw() != this.to.getYaw();
+ }
+
+ private void validateLocation(@NotNull Location loc) {
+ Preconditions.checkArgument(loc != null, "Cannot use null location!");
+ Preconditions.checkArgument(loc.getWorld() != null, "Cannot use null location with null world!");
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ @Override
+ @NotNull
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+}