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Add item packet serialization API (#1130)

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Melncat
2022-09-26 11:42:38 -07:00
committed by GitHub
parent f913b22dac
commit 937e026140
2 changed files with 105 additions and 0 deletions
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60
patches/api/0053-Add-item-packet-serialize-event.patch Normal file
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@@ -0,0 +1,60 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MelnCat <melncatuwu@gmail.com>
Date: Sat, 24 Sep 2022 10:50:33 -0700
Subject: [PATCH] Add item packet serialize event
diff --git a/src/main/java/org/purpurmc/purpur/event/packet/NetworkItemSerializeEvent.java b/src/main/java/org/purpurmc/purpur/event/packet/NetworkItemSerializeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..c0da73d2ea83a6055e34894ba1c7506fc8667712
--- /dev/null
+++ b/src/main/java/org/purpurmc/purpur/event/packet/NetworkItemSerializeEvent.java
@@ -0,0 +1,48 @@
+package org.purpurmc.purpur.event.packet;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Called when an item is about to be written to a packet.
+ */
+public class NetworkItemSerializeEvent extends Event {
+ private ItemStack itemStack;
+
+ public NetworkItemSerializeEvent(@NotNull ItemStack itemStack) {
+ super(!org.bukkit.Bukkit.isPrimaryThread());
+ this.itemStack = itemStack;
+ }
+
+ /**
+ * @return The item that is about to be serialized. Not mutable
+ */
+ @NotNull
+ public ItemStack getItemStack() {
+ return itemStack;
+ }
+
+ /**
+ * Sets the item that will be serialized.
+ *
+ * @param itemStack The item
+ */
+ public void setItemStack(@Nullable ItemStack itemStack) {
+ this.itemStack = itemStack;
+ }
+
+ private static final HandlerList handlers = new HandlerList();
+
+ @NotNull
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+}

45
patches/server/0301-Add-item-packet-serialize-event.patch Normal file
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@@ -0,0 +1,45 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MelnCat <melncatuwu@gmail.com>
Date: Sat, 24 Sep 2022 09:56:28 -0700
Subject: [PATCH] Add item packet serialize event
diff --git a/src/main/java/net/minecraft/network/FriendlyByteBuf.java b/src/main/java/net/minecraft/network/FriendlyByteBuf.java
index 35377576ed182814051c11f902e02e8e921e84e3..a7b6e22daf64abca311bc5771192a3c09368537f 100644
--- a/src/main/java/net/minecraft/network/FriendlyByteBuf.java
+++ b/src/main/java/net/minecraft/network/FriendlyByteBuf.java
@@ -83,6 +83,8 @@ public class FriendlyByteBuf extends ByteBuf {
private static final int MAX_PUBLIC_KEY_HEADER_SIZE = 256;
private static final int MAX_PUBLIC_KEY_LENGTH = 512;
+ public static boolean hasItemSerializeEvent = false; // Purpur
+
public FriendlyByteBuf(ByteBuf parent) {
this.source = parent;
}
@@ -570,6 +572,13 @@ public class FriendlyByteBuf extends ByteBuf {
this.writeBoolean(false);
} else {
this.writeBoolean(true);
+ // Purpur start
+ if (hasItemSerializeEvent) {
+ var event = new org.purpurmc.purpur.event.packet.NetworkItemSerializeEvent(stack.asBukkitCopy());
+ event.callEvent();
+ stack = ItemStack.fromBukkitCopy(event.getItemStack());
+ }
+ // Purpur end
Item item = stack.getItem();
this.writeId(Registry.ITEM, item);
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 60bed3f87016b29508ea1a94db65a1f60d960de1..13c9cddf7ac0af16676050e3bcdf22b7475a0387 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1537,6 +1537,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
//MinecraftTimings.timeUpdateTimer.stopTiming(); // Spigot // Paper // Purpur
this.isIteratingOverLevels = true; // Paper
+ net.minecraft.network.FriendlyByteBuf.hasItemSerializeEvent = org.purpurmc.purpur.event.packet.NetworkItemSerializeEvent.getHandlerList().getRegisteredListeners().length > 0; // Purpur
Iterator iterator = this.getAllLevels().iterator(); // Paper - move down
while (iterator.hasNext()) {
ServerLevel worldserver = (ServerLevel) iterator.next();