From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tom <cryptite@gmail.com>
Date: Mon, 10 Apr 2023 07:38:40 -0500
Subject: [PATCH] Add PlayerData Events


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 92c8cb4fe9c82e32876fa75134a6009c874f6594..9637ed39f3022a9d8d0b45a7bd5895657783bed5 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -601,6 +601,8 @@ public class ServerPlayerGameMode {
                     enuminteractionresult1 = stack.useOn(itemactioncontext);
                 }
 
+                world.pendingPlayerBlockEvents.remove(blockposition); // Paper
+
                 if (enuminteractionresult1.consumesAction()) {
                     CriteriaTriggers.ITEM_USED_ON_BLOCK.trigger(player, blockposition, itemstack1);
                 }
diff --git a/src/main/java/net/minecraft/stats/ServerStatsCounter.java b/src/main/java/net/minecraft/stats/ServerStatsCounter.java
index f890738d3bb9fb5e70a9d323c6cec97f9948f9cf..0e02785ec35e635bef33cc89c54b146c8e7dac99 100644
--- a/src/main/java/net/minecraft/stats/ServerStatsCounter.java
+++ b/src/main/java/net/minecraft/stats/ServerStatsCounter.java
@@ -204,7 +204,12 @@ public class ServerStatsCounter extends StatsCounter {
         return nbttagcompound;
     }
 
-    protected String toJson() {
+    // Slice start - OBFHELPER
+    public String toJson() {
+        return serialize().toString();
+    }
+
+    public JsonObject serialize() { // Slice end
         Map<StatType<?>, JsonObject> map = Maps.newHashMap();
         ObjectIterator objectiterator = this.stats.object2IntEntrySet().iterator();
 
@@ -230,7 +235,7 @@ public class ServerStatsCounter extends StatsCounter {
 
         jsonobject1.add("stats", jsonobject);
         jsonobject1.addProperty("DataVersion", SharedConstants.getCurrentVersion().getDataVersion().getVersion());
-        return jsonobject1.toString();
+        return jsonobject1; // Slice
     }
 
     private static <T> ResourceLocation getKey(Stat<T> stat) {
diff --git a/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java b/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
index 63e187c65cb855031f286aad0d25ac4694f7a331..b0f3aa2b90e2dc5dd7b450cae9ce4eba3d04e568 100644
--- a/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
+++ b/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
@@ -36,6 +36,7 @@ public class PlayerDataStorage {
 
     public void save(Player player) {
         if (org.spigotmc.SpigotConfig.disablePlayerDataSaving) return; // Spigot
+        if (!new com.destroystokyo.paper.event.player.PlayerSaveDataEvent((org.bukkit.entity.Player) player.getBukkitEntity()).callEvent()) return; // Slice
         try {
             CompoundTag nbttagcompound = player.saveWithoutId(new CompoundTag());
             Path path = this.playerDir.toPath();
@@ -56,33 +57,41 @@ public class PlayerDataStorage {
     public CompoundTag load(Player player) {
         CompoundTag nbttagcompound = null;
 
-        try {
-            File file = new File(this.playerDir, player.getStringUUID() + ".dat");
-            // Spigot Start
-            boolean usingWrongFile = false;
-            if ( org.bukkit.Bukkit.getOnlineMode() && !file.exists() ) // Paper - Check online mode first
-            {
-                file = new File( this.playerDir, java.util.UUID.nameUUIDFromBytes( ( "OfflinePlayer:" + player.getScoreboardName() ).getBytes( "UTF-8" ) ).toString() + ".dat");
-                if ( file.exists() )
+        // Slice start - If event supplies playerdata, use it. Otherwise just load from disk as usual
+        com.destroystokyo.paper.event.player.PlayerLoadDataEvent event = new com.destroystokyo.paper.event.player.PlayerLoadDataEvent(player.getUUID());
+        org.bukkit.Bukkit.getPluginManager().callEvent(event);
+
+        Object playerData = event.getPlayerData();
+        if (playerData != null) {
+            nbttagcompound = (CompoundTag) playerData;
+        } else {
+            try {
+                File file = new File(this.playerDir, player.getStringUUID() + ".dat");
+                // Spigot Start
+                boolean usingWrongFile = false;
+                if (org.bukkit.Bukkit.getOnlineMode() && !file.exists()) // Paper - Check online mode first
                 {
-                    usingWrongFile = true;
-                    org.bukkit.Bukkit.getServer().getLogger().warning( "Using offline mode UUID file for player " + player.getScoreboardName() + " as it is the only copy we can find." );
+                    file = new File(this.playerDir, java.util.UUID.nameUUIDFromBytes(("OfflinePlayer:" + player.getScoreboardName()).getBytes("UTF-8")).toString() + ".dat");
+                    if (file.exists()) {
+                        usingWrongFile = true;
+                        org.bukkit.Bukkit.getServer().getLogger().warning("Using offline mode UUID file for player " + player.getScoreboardName() + " as it is the only copy we can find.");
+                    }
                 }
-            }
-            // Spigot End
+                // Spigot End
 
-            if (file.exists() && file.isFile()) {
-                nbttagcompound = NbtIo.readCompressed(file.toPath(), NbtAccounter.unlimitedHeap());
-            }
-            // Spigot Start
-            if ( usingWrongFile )
-            {
-                file.renameTo( new File( file.getPath() + ".offline-read" ) );
+                if (file.exists() && file.isFile()) {
+                    nbttagcompound = NbtIo.readCompressed(file.toPath(), NbtAccounter.unlimitedHeap());
+                }
+                // Spigot Start
+                if (usingWrongFile) {
+                    file.renameTo(new File(file.getPath() + ".offline-read"));
+                }
+                // Spigot End
+            } catch (Exception exception) {
+                PlayerDataStorage.LOGGER.warn("Failed to load player data for {}", player.getName().getString());
             }
-            // Spigot End
-        } catch (Exception exception) {
-            PlayerDataStorage.LOGGER.warn("Failed to load player data for {}", player.getName().getString());
-        }
+        } // Slice end
+
 
         if (nbttagcompound != null) {
             // CraftBukkit start