Added PlayerLecternPageChangeEvent

This commit is contained in:
Jake Potrebic 2020-11-23 12:59:17 -08:00
parent 5e08466cc1
commit 4048b356d0
2 changed files with 193 additions and 0 deletions

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@ -0,0 +1,127 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 23 Nov 2020 12:58:16 -0800
Subject: [PATCH] Added PlayerLecternPageChangeEvent
diff --git a/src/main/java/io/papermc/paper/event/player/PlayerLecternPageChangeEvent.java b/src/main/java/io/papermc/paper/event/player/PlayerLecternPageChangeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/player/PlayerLecternPageChangeEvent.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.event.player;
+
+import org.bukkit.block.Lectern;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class PlayerLecternPageChangeEvent extends PlayerEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private boolean cancelled;
+ private final Lectern lectern;
+ private final ItemStack book;
+ private final PageChangeDirection pageChangeDirection;
+ private final int oldPage;
+ private int newPage;
+
+ public PlayerLecternPageChangeEvent(@NotNull Player player, @NotNull Lectern lectern, @NotNull ItemStack book, @NotNull PageChangeDirection pageChangeDirection, int oldPage, int newPage) {
+ super(player);
+ this.lectern = lectern;
+ this.book = book;
+ this.pageChangeDirection = pageChangeDirection;
+ this.oldPage = oldPage;
+ this.newPage = newPage;
+ }
+
+ /**
+ * Gets the lectern involved.
+ *
+ * @return the Lectern
+ */
+ @NotNull
+ public Lectern getLectern() {
+ return lectern;
+ }
+
+ /**
+ * Gets the current ItemStack on the lectern.
+ *
+ * @return the ItemStack on the Lectern
+ */
+ @NotNull
+ public ItemStack getBook() {
+ return this.book;
+ }
+
+ /**
+ * Gets the page change direction. This is essentially returns which button the player clicked, left or right.
+ *
+ * @return the page change direction
+ */
+ @NotNull
+ public PageChangeDirection getPageChangeDirection() {
+ return pageChangeDirection;
+ }
+
+ /**
+ * Gets the page changed from. <i>Pages are 0-indexed.</i>
+ *
+ * @return the page changed from
+ */
+ public int getOldPage() {
+ return oldPage;
+ }
+
+ /**
+ * Gets the page changed to. <i>Pages are 0-indexed.</i>
+ *
+ * @return the page changed to
+ */
+ public int getNewPage() {
+ return newPage;
+ }
+
+ /**
+ * Sets the page changed to. <i>Pages are 0-indexed.</i>
+ * Page indices that are greater than the number of pages will show the last page.
+ *
+ * @param newPage the new paged changed to
+ */
+ public void setNewPage(int newPage) {
+ this.newPage = newPage;
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ @NotNull
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+
+ public enum PageChangeDirection {
+ LEFT,
+ RIGHT,
+ }
+}

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@ -0,0 +1,66 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 23 Nov 2020 12:58:51 -0800
Subject: [PATCH] Added PlayerLecternPageChangeEvent
diff --git a/src/main/java/net/minecraft/server/Container.java b/src/main/java/net/minecraft/server/Container.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/Container.java
+++ b/src/main/java/net/minecraft/server/Container.java
@@ -0,0 +0,0 @@ public abstract class Container {
this.getSlot(i).set(itemstack);
}
+ public void setData(int index, int value) { this.a(index, value); } // Paper - OBFHELPER
public void a(int i, int j) {
((ContainerProperty) this.d.get(i)).set(j);
}
diff --git a/src/main/java/net/minecraft/server/ContainerLectern.java b/src/main/java/net/minecraft/server/ContainerLectern.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/ContainerLectern.java
+++ b/src/main/java/net/minecraft/server/ContainerLectern.java
@@ -0,0 +0,0 @@ import org.bukkit.craftbukkit.inventory.CraftInventoryView;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerTakeLecternBookEvent;
// CraftBukkit end
+import io.papermc.paper.event.player.PlayerLecternPageChangeEvent; // Paper
public class ContainerLectern extends Container {
@@ -0,0 +0,0 @@ public class ContainerLectern extends Container {
@Override
public boolean a(EntityHuman entityhuman, int i) {
int j;
+ PlayerLecternPageChangeEvent playerLecternPageChangeEvent; CraftInventoryLectern bukkitView; // Paper
if (i >= 100) {
j = i - 100;
@@ -0,0 +0,0 @@ public class ContainerLectern extends Container {
switch (i) {
case 1:
j = this.containerProperties.getProperty(0);
- this.a(0, j - 1);
+ // Paper start
+ bukkitView = (CraftInventoryLectern) getBukkitView().getTopInventory();
+ playerLecternPageChangeEvent = new PlayerLecternPageChangeEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), bukkitView.getHolder(), bukkitView.getBook(), PlayerLecternPageChangeEvent.PageChangeDirection.LEFT, j, j - 1);
+ if (!playerLecternPageChangeEvent.callEvent()) {
+ return false;
+ }
+ this.setData(0, playerLecternPageChangeEvent.getNewPage());
+ // Paper end
return true;
case 2:
j = this.containerProperties.getProperty(0);
- this.a(0, j + 1);
+ // Paper start
+ bukkitView = (CraftInventoryLectern) getBukkitView().getTopInventory();
+ playerLecternPageChangeEvent = new PlayerLecternPageChangeEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), bukkitView.getHolder(), bukkitView.getBook(), PlayerLecternPageChangeEvent.PageChangeDirection.RIGHT, j, j + 1);
+ if (!playerLecternPageChangeEvent.callEvent()) {
+ return false;
+ }
+ this.setData(0, playerLecternPageChangeEvent.getNewPage());
+ // Paper end
return true;
case 3:
if (!entityhuman.eK()) {