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Paper/patches/api/0249-Add-worldborder-events.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 4 Jan 2021 22:40:26 -0800
Subject: [PATCH] Add worldborder events
diff --git a/src/main/java/io/papermc/paper/event/world/border/WorldBorderBoundsChangeEvent.java b/src/main/java/io/papermc/paper/event/world/border/WorldBorderBoundsChangeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..3c168b3522c538c1576238738d48eaef6559450d
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/world/border/WorldBorderBoundsChangeEvent.java
@@ -0,0 +1,115 @@
+package io.papermc.paper.event.world.border;
+
+import org.bukkit.World;
+import org.bukkit.WorldBorder;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a world border changes its bounds, either over time, or instantly.
+ */
+@NullMarked
+public class WorldBorderBoundsChangeEvent extends WorldBorderEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private Type type;
+ private final double oldSize;
+ private double newSize;
+ private long duration;
+ private boolean cancelled;
+
+ @ApiStatus.Internal
+ public WorldBorderBoundsChangeEvent(final World world, final WorldBorder worldBorder, final Type type, final double oldSize, final double newSize, final long duration) {
+ super(world, worldBorder);
+ this.type = type;
+ this.oldSize = oldSize;
+ this.newSize = newSize;
+ this.duration = duration;
+ }
+
+ /**
+ * Gets if this change is an instant change or over-time change.
+ *
+ * @return the change type
+ */
+ public Type getType() {
+ return this.type;
+ }
+
+ /**
+ * Gets the old size or the world border.
+ *
+ * @return the old size
+ */
+ public double getOldSize() {
+ return this.oldSize;
+ }
+
+ /**
+ * Gets the new size of the world border.
+ *
+ * @return the new size
+ */
+ public double getNewSize() {
+ return this.newSize;
+ }
+
+ /**
+ * Sets the new size of the world border.
+ *
+ * @param newSize the new size
+ */
+ public void setNewSize(final double newSize) {
+ this.newSize = Math.min(this.worldBorder.getMaxSize(), Math.max(1.0D, newSize));
+ }
+
+ /**
+ * Gets the time in milliseconds for the change. Will be 0 if instant.
+ *
+ * @return the time in milliseconds for the change
+ */
+ public long getDuration() {
+ return this.duration;
+ }
+
+ /**
+ * Sets the time in milliseconds for the change. Will change {@link #getType()} to return
+ * {@link Type#STARTED_MOVE}.
+ *
+ * @param duration the time in milliseconds for the change
+ */
+ public void setDuration(final long duration) {
+ // PAIL: TODO: Magic Values
+ this.duration = Math.min(9223372036854775L, Math.max(0L, duration));
+ if (duration >= 0 && this.type == Type.INSTANT_MOVE) {
+ this.type = Type.STARTED_MOVE;
+ }
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(final boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+
+ public enum Type {
+ STARTED_MOVE,
+ INSTANT_MOVE
+ }
+}
diff --git a/src/main/java/io/papermc/paper/event/world/border/WorldBorderBoundsChangeFinishEvent.java b/src/main/java/io/papermc/paper/event/world/border/WorldBorderBoundsChangeFinishEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..6a264660897f0b621e3fb112e6056d98bb510f52
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/world/border/WorldBorderBoundsChangeFinishEvent.java
@@ -0,0 +1,66 @@
+package io.papermc.paper.event.world.border;
+
+import org.bukkit.World;
+import org.bukkit.WorldBorder;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a moving world border has finished its move.
+ */
+@NullMarked
+public class WorldBorderBoundsChangeFinishEvent extends WorldBorderEvent {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private final double oldSize;
+ private final double newSize;
+ private final double duration;
+
+ @ApiStatus.Internal
+ public WorldBorderBoundsChangeFinishEvent(final World world, final WorldBorder worldBorder, final double oldSize, final double newSize, final double duration) {
+ super(world, worldBorder);
+ this.oldSize = oldSize;
+ this.newSize = newSize;
+ this.duration = duration;
+ }
+
+ /**
+ * Gets the old size of the worldborder.
+ *
+ * @return the old size
+ */
+ public double getOldSize() {
+ return this.oldSize;
+ }
+
+ /**
+ * Gets the new size of the worldborder.
+ *
+ * @return the new size
+ */
+ public double getNewSize() {
+ return this.newSize;
+ }
+
+ /**
+ * Gets the duration this worldborder took to make the change.
+ * <p>
+ * Can be 0 if handlers for {@link WorldBorderCenterChangeEvent} set the duration to 0.
+ *
+ * @return the duration of the transition
+ */
+ public double getDuration() {
+ return this.duration;
+ }
+
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/event/world/border/WorldBorderCenterChangeEvent.java b/src/main/java/io/papermc/paper/event/world/border/WorldBorderCenterChangeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..74fe5ad50517374631fa3009249833e2b99a55f0
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/world/border/WorldBorderCenterChangeEvent.java
@@ -0,0 +1,76 @@
+package io.papermc.paper.event.world.border;
+
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.WorldBorder;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a world border's center is changed.
+ */
+@NullMarked
+public class WorldBorderCenterChangeEvent extends WorldBorderEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private final Location oldCenter;
+ private Location newCenter;
+
+ private boolean cancelled;
+
+ @ApiStatus.Internal
+ public WorldBorderCenterChangeEvent(final World world, final WorldBorder worldBorder, final Location oldCenter, final Location newCenter) {
+ super(world, worldBorder);
+ this.oldCenter = oldCenter;
+ this.newCenter = newCenter;
+ }
+
+ /**
+ * Gets the original center location of the world border.
+ *
+ * @return the old center
+ */
+ public Location getOldCenter() {
+ return this.oldCenter.clone();
+ }
+
+ /**
+ * Gets the new center location for the world border.
+ *
+ * @return the new center
+ */
+ public Location getNewCenter() {
+ return this.newCenter;
+ }
+
+ /**
+ * Sets the new center location for the world border. Y coordinate is ignored.
+ *
+ * @param newCenter the new center
+ */
+ public void setNewCenter(final Location newCenter) {
+ this.newCenter = newCenter;
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(final boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/event/world/border/WorldBorderEvent.java b/src/main/java/io/papermc/paper/event/world/border/WorldBorderEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..1f260e4d693903361d54c0af42144faa66adf4ea
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/world/border/WorldBorderEvent.java
@@ -0,0 +1,23 @@
+package io.papermc.paper.event.world.border;
+
+import org.bukkit.World;
+import org.bukkit.WorldBorder;
+import org.bukkit.event.world.WorldEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public abstract class WorldBorderEvent extends WorldEvent {
+
+ protected final WorldBorder worldBorder;
+
+ @ApiStatus.Internal
+ protected WorldBorderEvent(final World world, final WorldBorder worldBorder) {
+ super(world);
+ this.worldBorder = worldBorder;
+ }
+
+ public WorldBorder getWorldBorder() {
+ return this.worldBorder;
+ }
+}
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