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109 lines
4 KiB
Diff
109 lines
4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: RodneyMKay <36546810+RodneyMKay@users.noreply.github.com>
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Date: Wed, 8 Sep 2021 22:15:43 +0200
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Subject: [PATCH] Add PlayerPickItemEvent
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diff --git a/src/main/java/io/papermc/paper/event/player/PlayerPickItemEvent.java b/src/main/java/io/papermc/paper/event/player/PlayerPickItemEvent.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/event/player/PlayerPickItemEvent.java
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@@ -0,0 +0,0 @@
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+package io.papermc.paper.event.player;
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+
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+import com.google.common.base.Preconditions;
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+import org.bukkit.entity.Player;
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+import org.bukkit.event.Cancellable;
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+import org.bukkit.event.HandlerList;
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+import org.bukkit.event.player.PlayerEvent;
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+import org.jetbrains.annotations.ApiStatus;
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+import org.jetbrains.annotations.Range;
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+import org.jspecify.annotations.NullMarked;
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+
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+/**
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+ * Event that is fired when a player uses the pick item functionality (middle-clicking a block to get the appropriate
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+ * item). However, note that this event will only trigger if an item has to be moved from the inventory to the hotbar.
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+ * After the handling of this event, the contents of the source and the target slot will be swapped and the currently
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+ * selected hotbar slot of the player will be set to the target slot.
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+ * <p>
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+ * Note: This event will not be fired for players in creative mode.
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+ */
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+@NullMarked
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+public class PlayerPickItemEvent extends PlayerEvent implements Cancellable {
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+
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+ private static final HandlerList HANDLER_LIST = new HandlerList();
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+
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+ private int targetSlot;
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+ private int sourceSlot;
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+
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+ private boolean cancelled;
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+
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+ @ApiStatus.Internal
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+ public PlayerPickItemEvent(final Player player, final int targetSlot, final int sourceSlot) {
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+ super(player);
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+ this.targetSlot = targetSlot;
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+ this.sourceSlot = sourceSlot;
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+ }
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+
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+ /**
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+ * Returns the slot the item that is being picked goes into.
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+ *
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+ * @return hotbar slot (0-8 inclusive)
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+ */
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+ public @Range(from = 0, to = 8) int getTargetSlot() {
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+ return this.targetSlot;
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+ }
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+
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+ /**
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+ * Changes the slot the item that is being picked goes into.
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+ *
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+ * @param targetSlot hotbar slot (0-8 inclusive)
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+ */
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+ public void setTargetSlot(final @Range(from = 0, to = 8) int targetSlot) {
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+ Preconditions.checkArgument(targetSlot >= 0 && targetSlot <= 8, "Target slot must be in range 0 - 8 (inclusive)");
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+ this.targetSlot = targetSlot;
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+ }
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+
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+ /**
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+ * Returns the slot in which the item that will be put into the players hotbar is located.
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+ * <p>
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+ * Returns {@code -1} if the item is not in the player's inventory and should be spawned in if in creative mode.
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+ *
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+ * @return player inventory slot (0-35 inclusive, or {@code -1} not taken from the inventory)
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+ */
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+ public @Range(from = -1, to = 35) int getSourceSlot() {
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+ return this.sourceSlot;
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+ }
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+
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+ /**
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+ * Change the source slot from which the item that will be put in the players hotbar will be taken.
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+ * <p>
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+ * If set to {@code -1} and the player is in creative mode, the item will be spawned in.
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+ *
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+ * @param sourceSlot player inventory slot (0-35 inclusive, or {@code -1} not taken from the inventory)
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+ */
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+ public void setSourceSlot(final @Range(from = -1, to = 35) int sourceSlot) {
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+ Preconditions.checkArgument(sourceSlot >= -1 && sourceSlot <= 35, "Source slot must be in range of the player's inventory slot");
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+ this.sourceSlot = sourceSlot;
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+ }
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+
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+ @Override
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+ public boolean isCancelled() {
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+ return this.cancelled;
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+ }
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+
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+ @Override
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+ public void setCancelled(final boolean cancel) {
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+ this.cancelled = cancel;
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+ }
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+
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+ @Override
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+ public HandlerList getHandlers() {
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+ return HANDLER_LIST;
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+ }
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+
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+ public static HandlerList getHandlerList() {
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+ return HANDLER_LIST;
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+ }
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+}
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