Paper/patches/server/0322-PlayerDeathEvent-getItemsToKeep.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 27 Mar 2019 23:01:33 -0400
Subject: [PATCH] PlayerDeathEvent#getItemsToKeep
Exposes a mutable array on items a player should keep on death
Example Usage: https://gist.github.com/aikar/5bb202de6057a051a950ce1f29feb0b4
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 6d723445f80fc6db5880f658098046de5f13f563..dac01b65319ee246ddbb974ad379e2bd59033830 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -724,6 +724,46 @@ public class ServerPlayer extends Player {
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});
}
+ // Paper start - process inventory
+ private static void processKeep(org.bukkit.event.entity.PlayerDeathEvent event, NonNullList<ItemStack> inv) {
+ List<org.bukkit.inventory.ItemStack> itemsToKeep = event.getItemsToKeep();
+ if (inv == null) {
+ // remainder of items left in toKeep - plugin added stuff on death that wasn't in the initial loot?
+ if (!itemsToKeep.isEmpty()) {
+ for (org.bukkit.inventory.ItemStack itemStack : itemsToKeep) {
+ event.getEntity().getInventory().addItem(itemStack);
+ }
+ }
+
+ return;
+ }
+
+ for (int i = 0; i < inv.size(); ++i) {
+ ItemStack item = inv.get(i);
+ if (EnchantmentHelper.hasVanishingCurse(item) || itemsToKeep.isEmpty() || item.isEmpty()) {
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+ inv.set(i, ItemStack.EMPTY);
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+ continue;
+ }
+
+ final org.bukkit.inventory.ItemStack bukkitStack = item.getBukkitStack();
+ boolean keep = false;
+ final Iterator<org.bukkit.inventory.ItemStack> iterator = itemsToKeep.iterator();
+ while (iterator.hasNext()) {
+ final org.bukkit.inventory.ItemStack itemStack = iterator.next();
+ if (bukkitStack.equals(itemStack)) {
+ iterator.remove();
+ keep = true;
+ break;
+ }
+ }
+
+ if (!keep) {
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+ inv.set(i, ItemStack.EMPTY);
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+ }
+ }
+ }
+ // Paper end
+
@Override
public void die(DamageSource source) {
boolean flag = this.level.getGameRules().getBoolean(GameRules.RULE_SHOWDEATHMESSAGES);
@@ -810,6 +850,12 @@ public class ServerPlayer extends Player {
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// we clean the player's inventory after the EntityDeathEvent is called so plugins can get the exact state of the inventory.
if (!event.getKeepInventory()) {
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this.getInventory().clearContent();
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+ // Paper start - replace logic
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+ for (NonNullList<ItemStack> inv : this.getInventory().compartments) {
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+ processKeep(event, inv);
+ }
+ processKeep(event, null);
+ // Paper end
}
this.setCamera(this); // Remove spectated target