658 lines
22 KiB
Java
658 lines
22 KiB
Java
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package net.minecraftforge.registries;
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import java.lang.ref.WeakReference;
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import java.util.BitSet;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import javax.annotation.Nullable;
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import org.apache.commons.lang3.Validate;
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import java.util.Set;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.ArrayListMultimap;
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import com.google.common.collect.BiMap;
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import com.google.common.collect.HashBiMap;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Sets;
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import net.minecraft.util.ResourceLocation;
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import net.minecraftforge.event.RegistryEvent;
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import net.minecraftforge.event.RegistryEvent.MissingMappings;
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import net.minecraftforge.fml.common.FMLLog;
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import net.minecraftforge.fml.relauncher.ReflectionHelper;
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public class ForgeRegistry<V extends IForgeRegistryEntry<V>> implements IForgeRegistryInternal<V>, IForgeRegistryModifiable<V>
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{
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public static final boolean DEBUG = Boolean.parseBoolean(System.getProperty("forge.debugRegistryEntries", "false"));
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private final RegistryManager stage;
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private final BiMap<Integer, V> ids = HashBiMap.create();
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private final BiMap<ResourceLocation, V> names = HashBiMap.create();
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private final Class<V> superType;
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private final Map<ResourceLocation, ResourceLocation> aliases = Maps.newHashMap();
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private final Map<ResourceLocation, ?> slaves = Maps.newHashMap();
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private final ResourceLocation defaultKey;
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private final CreateCallback<V> create;
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private final AddCallback<V> add;
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private final ClearCallback<V> clear;
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private final BitSet availabilityMap;
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private final Set<ResourceLocation> dummies = Sets.newHashSet();
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private final Set<Integer> blocked = Sets.newHashSet();
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private final Multimap<ResourceLocation, WeakReference<V>> overrides = ArrayListMultimap.create();
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private final DummyFactory<V> dummyFactory;
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private final boolean isDelegated;
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private final int min;
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private final int max;
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private final boolean allowOverrides;
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private final boolean isModifiable;
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private V defaultValue = null;
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boolean isFrozen = false;
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ForgeRegistry(Class<V> superType, ResourceLocation defaultKey, int min, int max, @Nullable CreateCallback<V> create, @Nullable AddCallback<V> add, @Nullable ClearCallback<V> clear, RegistryManager stage, boolean allowOverrides, boolean isModifiable, @Nullable DummyFactory<V> dummyFactory)
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{
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this.stage = stage;
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this.superType = superType;
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this.defaultKey = defaultKey;
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this.min = min;
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this.max = max;
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this.availabilityMap = new BitSet(Math.min(max + 1, 0x0FFF));
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this.create = create;
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this.add = add;
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this.clear = clear;
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this.isDelegated = IForgeRegistryEntry.Impl.class.isAssignableFrom(superType); //TODO: Make this IDelegatedRegistryEntry?
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this.allowOverrides = allowOverrides;
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this.isModifiable = isModifiable;
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this.dummyFactory = dummyFactory;
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if (this.create != null)
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this.create.onCreate(this, stage);
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}
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@Override
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public void register(V value)
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{
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add(-1, value);
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}
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@Override
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public Iterator<V> iterator() {
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return new Iterator<V>()
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{
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Iterator<V> itr = names.values().iterator();
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@Override
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public boolean hasNext()
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{
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return itr.hasNext();
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}
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@Override
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public V next()
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{
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return itr.next();
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}
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//TODO add remove support?
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};
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}
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@Override
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public Class<V> getRegistrySuperType()
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{
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return superType;
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}
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@Override
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public void registerAll(@SuppressWarnings("unchecked") V... values)
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{
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for (V value : values)
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register(value);
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}
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@Override
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public boolean containsKey(ResourceLocation key)
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{
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while (key != null)
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{
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if (this.names.containsKey(key))
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return true;
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key = this.aliases.get(key);
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}
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return false;
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}
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@Override
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public boolean containsValue(V value)
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{
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return this.names.containsValue(value);
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}
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@Override
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public V getValue(ResourceLocation key)
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{
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V ret = this.names.get(key);
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key = this.aliases.get(key);
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while (ret == null && key != null)
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{
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ret = this.names.get(key);
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key = this.aliases.get(key);
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}
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return ret == null ? this.defaultValue : ret;
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}
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@Override
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public ResourceLocation getKey(V value)
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{
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return this.names.inverse().get(value);
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}
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@Override
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public Set<ResourceLocation> getKeys()
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{
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return ImmutableSet.copyOf(this.names.keySet());
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}
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@Override
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public List<V> getValues()
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{
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return ImmutableList.copyOf(this.names.values());
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}
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@Override
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public Set<Entry<ResourceLocation, V>> getEntries()
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{
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return ImmutableSet.copyOf(this.names.entrySet());
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> T getSlaveMap(ResourceLocation name, Class<T> type)
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{
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return (T)this.slaves.get(name);
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}
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@SuppressWarnings("unchecked")
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@Override
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public void setSlaveMap(ResourceLocation name, Object obj)
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{
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((Map<ResourceLocation, Object>)this.slaves).put(name, obj);
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}
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public int getID(V value)
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{
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Integer ret = this.ids.inverse().get(value);
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if (ret == null && this.defaultValue != null)
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ret = this.ids.inverse().get(this.defaultValue);
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return ret == null ? -1 : ret.intValue();
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}
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public int getID(ResourceLocation name)
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{
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return getID(this.names.get(name));
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}
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public V getValue(int id)
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{
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V ret = this.ids.get(id);
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return ret == null ? this.defaultValue : ret;
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}
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void validateKey()
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{
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if (this.defaultKey != null)
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Validate.notNull(this.defaultValue, "Missing default of ForgeRegistry: " + this.defaultKey + " Type: " + this.superType);
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}
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ForgeRegistry<V> copy(RegistryManager stage)
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{
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return new ForgeRegistry<V>(superType, defaultKey, min, max, create, add, clear, stage, allowOverrides, isModifiable, dummyFactory);
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}
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int add(int id, V value)
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{
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ResourceLocation key = value == null ? null : value.getRegistryName();
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Preconditions.checkNotNull(key, "Can't use a null-name for the registry, object %s.", value);
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Preconditions.checkNotNull(value, "Can't add null-object to the registry, name %s.", key);
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int idToUse = id;
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if (idToUse < 0 || availabilityMap.get(idToUse))
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idToUse = availabilityMap.nextClearBit(min);
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if (idToUse > max)
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throw new RuntimeException(String.format("Invalid id %d - maximum id range exceeded.", idToUse));
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V oldEntry = getRaw(key);
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if (oldEntry == value) // already registered, return prev registration's id
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{
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FMLLog.bigWarning("The object %s has been registered twice for the same name %s.", value, key);
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return this.getID(value);
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}
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if (oldEntry != null) // duplicate name
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{
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if (!this.allowOverrides)
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throw new IllegalArgumentException(String.format("The name %s has been registered twice, for %s and %s.", key, getRaw(key), value));
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idToUse = this.getID(oldEntry);
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}
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Integer foundId = this.ids.inverse().get(value); //Is this ever possible to trigger with otherThing being different?
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if (foundId != null)
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{
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V otherThing = this.ids.get(foundId);
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throw new IllegalArgumentException(String.format("The object %s{%x} has been registered twice, using the names %s and %s. (Other object at this id is %s{%x})", value, System.identityHashCode(value), getKey(value), key, otherThing, System.identityHashCode(otherThing)));
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}
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if (isLocked())
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throw new IllegalStateException(String.format("The object %s (name %s) is being added too late.", value, key));
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if (defaultKey != null && defaultKey.equals(key))
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{
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if (this.defaultValue != null)
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throw new IllegalStateException(String.format("Attemped to override already set default value. This is not allowed: The object %s (name %s)", value, key));
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this.defaultValue = value;
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}
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this.names.put(key, value);
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this.ids.put(idToUse, value);
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this.availabilityMap.set(idToUse);
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if (isDelegated)
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{
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getDelegate(value).setName(key);
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if (oldEntry != null)
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{
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this.overrides.put(key, new WeakReference<V>(oldEntry));
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if (this.stage == RegistryManager.ACTIVE)
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getDelegate(oldEntry).changeReference(value);
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}
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}
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if (this.add != null)
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this.add.onAdd(this, this.stage, idToUse, value);
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if (this.dummies.remove(key) && DEBUG)
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FMLLog.fine("Registry Dummy Remove: %s", key);
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if (DEBUG)
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FMLLog.finer("Registry add: %s %d %s (req. id %d)", key, idToUse, value, id);
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return idToUse;
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}
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private V getRaw(ResourceLocation key)
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{
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V ret = this.names.get(key);
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key = this.aliases.get(key);
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while (ret == null && key != null)
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{
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ret = this.names.get(key);
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key = this.aliases.get(key);
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}
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return ret;
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}
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@Deprecated //Public for ByteByfUtils only!
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public V getRaw(int id)
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{
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return this.ids.get(id);
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}
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void addAlias(ResourceLocation from, ResourceLocation to)
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{
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if (this.isLocked())
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throw new IllegalStateException(String.format("Attempted to register the alias %s -> %s to late", from, to));
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this.aliases.put(from, to);
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if (DEBUG)
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FMLLog.finer("Registry alias: %s -> %s", from, to);
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}
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void addDummy(ResourceLocation key)
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{
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if (this.isLocked())
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throw new IllegalStateException(String.format("Attempted to register the dummy %s to late", key));
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this.dummies.add(key);
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if (DEBUG)
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FMLLog.finer("Registry dummy: %s -> %s", key);
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}
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private RegistryDelegate<V> getDelegate(V thing)
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{
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if (isDelegated)
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return (RegistryDelegate<V>)((IForgeRegistryEntry.Impl<V>)thing).delegate;
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else
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throw new IllegalStateException("Tried to get existing delegate from registry that is not delegated.");
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}
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void resetDelegates()
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{
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if (!this.isDelegated)
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return;
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for (V value : this)
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getDelegate(value).changeReference(value);
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Iterator<Entry<ResourceLocation, WeakReference<V>>> itr = this.overrides.entries().iterator();
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while (itr.hasNext())
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{
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Entry<ResourceLocation, WeakReference<V>> next = itr.next();
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V value = next.getValue().get();
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if (value == null)
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itr.remove();
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else
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getDelegate(value).changeReference(value);
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}
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}
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V getDefault()
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{
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return this.defaultValue;
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}
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boolean isDummied(ResourceLocation key)
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{
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return this.dummies.contains(key);
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}
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void validateContent(ResourceLocation registryName)
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{
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try
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{
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ReflectionHelper.findMethod(BitSet.class, "trimToSize", null).invoke(this.availabilityMap);
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}
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catch (Exception e)
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{
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//We don't care... Just a micro-optimization
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}
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for (V obj : this)
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{
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int id = getID(obj);
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ResourceLocation name = getKey(obj);
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// name lookup failed -> obj is not in the obj<->name map
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if (name == null)
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throw new IllegalStateException(String.format("Registry entry for %s %s, id %d, doesn't yield a name.", registryName, obj, id));
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// id is too high
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if (id > max)
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throw new IllegalStateException(String.format("Registry entry for %s %s, name %s uses the too large id %d.", registryName, obj, name, id));
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// id -> obj lookup is inconsistent
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if (getValue(id) != obj)
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throw new IllegalStateException(String.format("Registry entry for id %d, name %s, doesn't yield the expected %s %s.", id, name, registryName, obj));
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// name -> obj lookup is inconsistent
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if (getValue(name) != obj)
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throw new IllegalStateException(String.format("Registry entry for name %s, id %d, doesn't yield the expected %s %s.", name, id, registryName, obj));
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// name -> id lookup is inconsistent
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if (getID(name) != id)
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throw new IllegalStateException(String.format("Registry entry for name %s doesn't yield the expected id %d.", name, id));
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/*
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// entry is blocked, thus should be empty
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if (blockedIds.contains(id))
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throw new IllegalStateException(String.format("Registry entry for %s %s, id %d, name %s, marked as dangling.", registryName, obj, id, name));
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*/
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}
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}
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void sync(ResourceLocation name, ForgeRegistry<V> from)
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{
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if (from.superType != this.superType)
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throw new IllegalArgumentException("Attempted to copy to incompatible registry: " + name + " " + from.superType + " -> " + this.superType);
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if (this.clear != null)
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this.clear.onClear(this, stage);
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/* -- Should never need to be copied
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this.defaultKey = from.defaultKey;
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this.max = from.max;
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this.min = from.min;
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*/
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this.aliases.clear();
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from.aliases.forEach((f, t) -> this.addAlias(f, t));
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this.dummies.clear();
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from.dummies.forEach(dummy -> this.addDummy(dummy));
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this.ids.clear();
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this.names.clear();
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this.availabilityMap.clear(0, this.availabilityMap.length());
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this.isFrozen = false;
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boolean errored = false;
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for (Entry<ResourceLocation, V> entry : from.names.entrySet())
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{
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int id = from.ids.inverse().get(entry.getKey());
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int realId = add(id, entry.getValue());
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if (id != realId && id != -1)
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{
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FMLLog.warning("Registered object did not get ID it asked for. Name: {} Type: {} Expected: {} Got: {}", entry.getKey(), this.getRegistrySuperType().getName(), id, realId);
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||
|
errored = true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (errored)
|
||
|
throw new RuntimeException("One of more entry values did not copy to the correct id. Check log for details!");
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
@Override
|
||
|
public void clear()
|
||
|
{
|
||
|
if (!this.isModifiable)
|
||
|
throw new UnsupportedOperationException("Attempted to clear a non-modifiable Forge Registry");
|
||
|
|
||
|
if (this.isLocked())
|
||
|
throw new IllegalStateException("Attempted to clear the registry to late.");
|
||
|
|
||
|
if (this.clear != null)
|
||
|
this.clear.onClear(this, stage);
|
||
|
|
||
|
|
||
|
this.aliases.clear();
|
||
|
this.dummies.clear();
|
||
|
|
||
|
this.ids.clear();
|
||
|
this.names.clear();
|
||
|
this.availabilityMap.clear(0, this.availabilityMap.length());
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
public V remove(ResourceLocation key)
|
||
|
{
|
||
|
if (!this.isModifiable)
|
||
|
throw new UnsupportedOperationException("Attempted to remove from a non-modifiable Forge Registry");
|
||
|
|
||
|
if (this.isLocked())
|
||
|
throw new IllegalStateException("Attempted to remove from the registry to late.");
|
||
|
|
||
|
V value = this.names.remove(key);
|
||
|
if (value != null)
|
||
|
{
|
||
|
Integer id = this.ids.inverse().remove(value);
|
||
|
if (id == null)
|
||
|
throw new IllegalStateException("Removed a entry that did not have an associated id: " + key + " " + value.toString() + " This should never happen unless hackery!");
|
||
|
}
|
||
|
|
||
|
return value;
|
||
|
}
|
||
|
|
||
|
void block(int id)
|
||
|
{
|
||
|
this.blocked.add(id);
|
||
|
this.availabilityMap.set(id);
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
public boolean isLocked()
|
||
|
{
|
||
|
return this.isFrozen;
|
||
|
}
|
||
|
|
||
|
public void freeze()
|
||
|
{
|
||
|
this.isFrozen = true;
|
||
|
}
|
||
|
|
||
|
RegistryEvent.Register<V> getRegisterEvent(ResourceLocation name)
|
||
|
{
|
||
|
return new RegistryEvent.Register<V>(name, this);
|
||
|
}
|
||
|
|
||
|
void dump(ResourceLocation name)
|
||
|
{
|
||
|
List<Integer> ids = Lists.newArrayList();
|
||
|
getKeys().forEach(n -> ids.add(getID(n)));
|
||
|
|
||
|
Collections.sort(ids);
|
||
|
|
||
|
FMLLog.finer("Registry Name : {}", name);
|
||
|
ids.forEach(id -> FMLLog.finer("Registry: %d %s %s", id, getKey(getValue(id)), getValue(id)));
|
||
|
}
|
||
|
|
||
|
public void loadIds(Map<ResourceLocation, Integer> ids, Map<ResourceLocation, Integer> missing, Map<ResourceLocation, Integer[]> remapped, ForgeRegistry<V> old, ResourceLocation name)
|
||
|
{
|
||
|
for (Map.Entry<ResourceLocation, Integer> entry : ids.entrySet())
|
||
|
{
|
||
|
ResourceLocation itemName = entry.getKey();
|
||
|
int newId = entry.getValue();
|
||
|
int currId = old.getID(itemName);
|
||
|
|
||
|
if (currId == -1)
|
||
|
{
|
||
|
FMLLog.info("Found a missing id from the world %s", itemName);
|
||
|
missing.put(itemName, newId);
|
||
|
continue; // no block/item -> nothing to add
|
||
|
}
|
||
|
else if (currId != newId)
|
||
|
{
|
||
|
FMLLog.fine("Fixed %s id mismatch %s: %d (init) -> %d (map).", name, itemName, currId, newId);
|
||
|
remapped.put(itemName, new Integer[] {currId, newId});
|
||
|
}
|
||
|
V obj = old.getRaw(itemName);
|
||
|
Preconditions.checkState(obj != null, "objectKey has an ID but no object. Reflection/ASM hackery? Registry bug?");
|
||
|
|
||
|
// Register all overrides so new registry has the full list so we can update delegates later
|
||
|
old.overrides.get(obj.getRegistryName()).stream()
|
||
|
.filter(e -> e.get() != null)
|
||
|
.forEach(e -> add(newId, e.get()));
|
||
|
|
||
|
add(newId, obj);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
boolean markDummy(ResourceLocation key, int id)
|
||
|
{
|
||
|
if (this.dummyFactory == null)
|
||
|
return false;
|
||
|
|
||
|
V dummy = this.dummyFactory.createDummy(key);
|
||
|
if (DEBUG)
|
||
|
FMLLog.finer("Registry Dummy Add: %s %d -> %s", key, id, dummy);
|
||
|
|
||
|
int realId = this.add(id, dummy);
|
||
|
if (realId != id)
|
||
|
FMLLog.warning("Registered object did not get ID it asked for. Name: {} Type: {} Expected: {} Got: {}", key, dummy.getRegistryType().getName(), id, realId);
|
||
|
this.dummies.add(key);
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
//Public for tests
|
||
|
public Snapshot makeSnapshot()
|
||
|
{
|
||
|
Snapshot ret = new Snapshot();
|
||
|
this.ids.forEach((id, value) -> ret.ids.put(getKey(value), id));
|
||
|
this.aliases.forEach((from, to) -> ret.aliases.put(from, to));
|
||
|
this.blocked.forEach(id -> ret.blocked.add(id));
|
||
|
this.dummies.forEach(name -> ret.dummied.add(name));
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
public static class Snapshot
|
||
|
{
|
||
|
public final Map<ResourceLocation, Integer> ids = Maps.newHashMap();
|
||
|
public final Map<ResourceLocation, ResourceLocation> aliases = Maps.newHashMap();
|
||
|
public final Set<Integer> blocked = Sets.newHashSet();
|
||
|
public final Set<ResourceLocation> dummied = Sets.newHashSet();
|
||
|
}
|
||
|
|
||
|
public MissingMappings<?> getMissingEvent(ResourceLocation name, Map<ResourceLocation, Integer> map)
|
||
|
{
|
||
|
List<MissingMappings.Mapping<V>> lst = Lists.newArrayList();
|
||
|
map.forEach((rl, id) -> lst.add(new MissingMappings.Mapping<V>(this, rl, id)));
|
||
|
return new MissingMappings<V>(name, this, lst);
|
||
|
}
|
||
|
|
||
|
void processMissingEvent(ResourceLocation name, ForgeRegistry<V> pool, List<MissingMappings.Mapping<V>> mappings, Map<ResourceLocation, Integer> missing, Map<ResourceLocation, Integer[]> remaps, Collection<ResourceLocation> defaulted, Collection<ResourceLocation> failed)
|
||
|
{
|
||
|
FMLLog.fine("Processing missing event for %s:", name);
|
||
|
int ignored = 0;
|
||
|
|
||
|
for (MissingMappings.Mapping<V> remap : mappings)
|
||
|
{
|
||
|
MissingMappings.Action action = remap.getAction();
|
||
|
|
||
|
if (action == MissingMappings.Action.REMAP)
|
||
|
{
|
||
|
// entry re-mapped, finish the registration with the new name/object, but the old id
|
||
|
int currId = getID(remap.getTarget());
|
||
|
ResourceLocation newName = pool.getKey(remap.getTarget());
|
||
|
FMLLog.fine(" Remapping %s -> %s.", remap.key, newName);
|
||
|
|
||
|
missing.remove(remap.key);
|
||
|
//I don't think this will work, but I dont think it ever worked.. the item is already in the map with a different id... we want to fix that..
|
||
|
int realId = this.add(remap.id, remap.getTarget());
|
||
|
if (realId != remap.id)
|
||
|
FMLLog.warning("Registered object did not get ID it asked for. Name: {} Type: {} Expected: {} Got: {}", newName, this.getRegistrySuperType(), remap.id, realId);
|
||
|
this.addAlias(remap.key, newName);
|
||
|
|
||
|
|
||
|
if (currId != realId)
|
||
|
{
|
||
|
FMLLog.info(" Fixed id mismatch %s: %d (init) -> %d (map).", newName, currId, realId);
|
||
|
remaps.put(newName, new Integer[] {currId, realId});
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// block item missing, warn as requested and block the id
|
||
|
if (action == MissingMappings.Action.DEFAULT)
|
||
|
{
|
||
|
defaulted.add(remap.key);
|
||
|
}
|
||
|
else if (action == MissingMappings.Action.IGNORE)
|
||
|
{
|
||
|
FMLLog.fine(" Ignoring %s", remap.key);
|
||
|
ignored++;
|
||
|
}
|
||
|
else if (action == MissingMappings.Action.FAIL)
|
||
|
{
|
||
|
FMLLog.fine(" Failing %s!", remap.key);
|
||
|
failed.add(remap.key);
|
||
|
}
|
||
|
else if (action == MissingMappings.Action.WARN)
|
||
|
{
|
||
|
FMLLog.warning(" %s may cause world breakage!", remap.key);
|
||
|
}
|
||
|
this.block(remap.id);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (failed.isEmpty() && ignored > 0)
|
||
|
FMLLog.fine("There were %d missing mappings that have been ignored", ignored);
|
||
|
}
|
||
|
}
|