From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cryptite <cryptite@gmail.com>
Date: Tue, 25 Apr 2023 08:15:23 -0500
Subject: [PATCH] PlayerLoadStatsEvent


diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 0913c1be8b4130ada71e7d4f473a709e55b7d2d5..4483bc16c81a5ca088320a28b4723a603b563f7e 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -1495,7 +1495,7 @@ public abstract class PlayerList {
                 }
             }
 
-            serverstatisticmanager = new ServerStatsCounter(this.server, file1);
+            serverstatisticmanager = new ServerStatsCounter(this.server, file1, uuid); // Slice
             // this.stats.put(uuid, serverstatisticmanager); // CraftBukkit
         }
 
diff --git a/src/main/java/net/minecraft/stats/ServerStatsCounter.java b/src/main/java/net/minecraft/stats/ServerStatsCounter.java
index 0e02785ec35e635bef33cc89c54b146c8e7dac99..5f13740dbf354291bca33fe91ba581562531f6fe 100644
--- a/src/main/java/net/minecraft/stats/ServerStatsCounter.java
+++ b/src/main/java/net/minecraft/stats/ServerStatsCounter.java
@@ -45,10 +45,16 @@ public class ServerStatsCounter extends StatsCounter {
     private final File file;
     private final Set<Stat<?>> dirty = Sets.newHashSet();
 
-    public ServerStatsCounter(MinecraftServer server, File file) {
+    public ServerStatsCounter(MinecraftServer server, File file, java.util.UUID uuid) { // Slice
         this.server = server;
         this.file = file;
-        if (file.isFile()) {
+        // Slice start - If event supplies stats, use it. Otherwise just load from disk as usual
+        com.destroystokyo.paper.event.player.PlayerLoadStatsEvent event = new com.destroystokyo.paper.event.player.PlayerLoadStatsEvent(uuid);
+        org.bukkit.Bukkit.getPluginManager().callEvent(event);
+        JsonObject providedStats = event.getStatistics();
+        if (providedStats != null) {
+            readStats(server.getFixerUpper(), fromJson(providedStats));
+        } else if (file.isFile()) { // Slice end
             try {
                 this.parseLocal(server.getFixerUpper(), FileUtils.readFileToString(file));
             } catch (IOException ioexception) {
@@ -109,46 +115,8 @@ public class ServerStatsCounter extends StatsCounter {
 
                     if (!jsonelement.isJsonNull()) {
                         CompoundTag nbttagcompound = ServerStatsCounter.fromJson(jsonelement.getAsJsonObject());
-
-                        nbttagcompound = DataFixTypes.STATS.updateToCurrentVersion(dataFixer, nbttagcompound, NbtUtils.getDataVersion(nbttagcompound, 1343));
-                        if (!nbttagcompound.contains("stats", 10)) {
-                            break label48;
-                        }
-
-                        CompoundTag nbttagcompound1 = nbttagcompound.getCompound("stats");
-                        Iterator iterator = nbttagcompound1.getAllKeys().iterator();
-
-                        while (true) {
-                            if (!iterator.hasNext()) {
-                                break label48;
-                            }
-
-                            String s1 = (String) iterator.next();
-
-                            if (nbttagcompound1.contains(s1, 10)) {
-                                Util.ifElse(BuiltInRegistries.STAT_TYPE.getOptional(new ResourceLocation(s1)), (statisticwrapper) -> {
-                                    CompoundTag nbttagcompound2 = nbttagcompound1.getCompound(s1);
-                                    Iterator iterator1 = nbttagcompound2.getAllKeys().iterator();
-
-                                    while (iterator1.hasNext()) {
-                                        String s2 = (String) iterator1.next();
-
-                                        if (nbttagcompound2.contains(s2, 99)) {
-                                            Util.ifElse(this.getStat(statisticwrapper, s2), (statistic) -> {
-                                                this.stats.put(statistic, nbttagcompound2.getInt(s2));
-                                            }, () -> {
-                                                ServerStatsCounter.LOGGER.warn("Invalid statistic in {}: Don't know what {} is", this.file, s2);
-                                            });
-                                        } else {
-                                            ServerStatsCounter.LOGGER.warn("Invalid statistic value in {}: Don't know what {} is for key {}", new Object[]{this.file, nbttagcompound2.get(s2), s2});
-                                        }
-                                    }
-
-                                }, () -> {
-                                    ServerStatsCounter.LOGGER.warn("Invalid statistic type in {}: Don't know what {} is", this.file, s1);
-                                });
-                            }
-                        }
+                        readStats(dataFixer, nbttagcompound);
+                        break label48;
                     }
 
                     ServerStatsCounter.LOGGER.error("Unable to parse Stat data from {}", this.file);
@@ -173,6 +141,48 @@ public class ServerStatsCounter extends StatsCounter {
 
     }
 
+    private void readStats(DataFixer dataFixer, CompoundTag nbttagcompound) {
+        nbttagcompound = DataFixTypes.STATS.updateToCurrentVersion(dataFixer, nbttagcompound, NbtUtils.getDataVersion(nbttagcompound, 1343));
+        if (!nbttagcompound.contains("stats", 10)) {
+            return;
+        }
+
+        CompoundTag nbttagcompound1 = nbttagcompound.getCompound("stats");
+        Iterator iterator = nbttagcompound1.getAllKeys().iterator();
+
+        while (true) {
+            if (!iterator.hasNext()) {
+                return;
+            }
+
+            String s1 = (String) iterator.next();
+
+            if (nbttagcompound1.contains(s1, 10)) {
+                Util.ifElse(BuiltInRegistries.STAT_TYPE.getOptional(new ResourceLocation(s1)), (statisticwrapper) -> {
+                    CompoundTag nbttagcompound2 = nbttagcompound1.getCompound(s1);
+                    Iterator iterator1 = nbttagcompound2.getAllKeys().iterator();
+
+                    while (iterator1.hasNext()) {
+                        String s2 = (String) iterator1.next();
+
+                        if (nbttagcompound2.contains(s2, 99)) {
+                            Util.ifElse(this.getStat(statisticwrapper, s2), (statistic) -> {
+                                this.stats.put(statistic, nbttagcompound2.getInt(s2));
+                            }, () -> {
+                                ServerStatsCounter.LOGGER.warn("Invalid statistic in {}: Don't know what {} is", this.file, s2);
+                            });
+                        } else {
+                            ServerStatsCounter.LOGGER.warn("Invalid statistic value in {}: Don't know what {} is for key {}", new Object[]{this.file, nbttagcompound2.get(s2), s2});
+                        }
+                    }
+
+                }, () -> {
+                    ServerStatsCounter.LOGGER.warn("Invalid statistic type in {}: Don't know what {} is", this.file, s1);
+                });
+            }
+        }
+    }
+
     private <T> Optional<Stat<T>> getStat(StatType<T> type, String id) {
         // CraftBukkit - decompile error start
         Optional<ResourceLocation> optional = Optional.ofNullable(ResourceLocation.tryParse(id));