Upstream Paper

src/main/java/net/minecraft/server/Advancements.java

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+package net.minecraft.server;
+
+import com.google.common.base.Function;
+import com.google.common.base.Functions;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+import java.util.Map.Entry;
+import javax.annotation.Nullable;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class Advancements {
+
+    private static final Logger a = LogManager.getLogger();
+    public final Map<MinecraftKey, Advancement> advancements = Maps.newHashMap();
+    private final Set<Advancement> c = Sets.newLinkedHashSet();
+    private final Set<Advancement> d = Sets.newLinkedHashSet();
+    private Advancements.a e;
+
+    public Advancements() {}
+
+    public void a(Map<MinecraftKey, Advancement.SerializedAdvancement> map) {
+        Function function = Functions.forMap(this.advancements, (Object) null);
+
+        label42:
+        while (!map.isEmpty()) {
+            boolean flag = false;
+            Iterator iterator = map.entrySet().iterator();
+
+            Entry entry;
+
+            while (iterator.hasNext()) {
+                entry = (Entry) iterator.next();
+                MinecraftKey minecraftkey = (MinecraftKey) entry.getKey();
+                Advancement.SerializedAdvancement advancement_serializedadvancement = (Advancement.SerializedAdvancement) entry.getValue();
+
+                if (advancement_serializedadvancement.a((java.util.function.Function) function)) {
+                    Advancement advancement = advancement_serializedadvancement.b(minecraftkey);
+
+                    this.advancements.put(minecraftkey, advancement);
+                    flag = true;
+                    iterator.remove();
+                    if (advancement.b() == null) {
+                        this.c.add(advancement);
+                        if (this.e != null) {
+                            this.e.a(advancement);
+                        }
+                    } else {
+                        this.d.add(advancement);
+                        if (this.e != null) {
+                            this.e.c(advancement);
+                        }
+                    }
+                }
+            }
+
+            if (!flag) {
+                iterator = map.entrySet().iterator();
+
+                while (true) {
+                    if (!iterator.hasNext()) {
+                        break label42;
+                    }
+
+                    entry = (Entry) iterator.next();
+                    Advancements.a.error("Couldn't load advancement {}: {}", entry.getKey(), entry.getValue());
+                }
+            }
+        }
+
+        // Advancements.a.info("Loaded {} advancements", this.advancements.size()); // CraftBukkit - moved to AdvancementDataWorld#reload
+    }
+
+    public void a() {
+        this.advancements.clear();
+        this.c.clear();
+        this.d.clear();
+        if (this.e != null) {
+            this.e.a();
+        }
+
+    }
+
+    public Iterable<Advancement> b() {
+        return this.c;
+    }
+
+    public Collection<Advancement> c() {
+        return this.advancements.values();
+    }
+
+    @Nullable
+    public Advancement a(MinecraftKey minecraftkey) {
+        return (Advancement) this.advancements.get(minecraftkey);
+    }
+
+    public interface a {
+
+        void a(Advancement advancement);
+
+        void c(Advancement advancement);
+
+        void a();
+    }
+}