ce1462efd1
Should fix weird stacktraces being thrown when mods like Citadel and Caves and Cliffs Backport are installed together
67 lines
3.3 KiB
Java
67 lines
3.3 KiB
Java
package org.embeddedt.modernfix.entity;
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import com.mojang.datafixers.util.Pair;
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import net.minecraft.network.syncher.EntityDataAccessor;
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import net.minecraft.network.syncher.SynchedEntityData;
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import net.minecraft.world.entity.Entity;
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import net.minecraftforge.event.OnDatapackSyncEvent;
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import net.minecraftforge.eventbus.api.EventPriority;
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import net.minecraftforge.eventbus.api.SubscribeEvent;
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import net.minecraftforge.fml.common.Mod;
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import net.minecraftforge.fml.common.ObfuscationReflectionHelper;
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import net.minecraftforge.fml.network.PacketDistributor;
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import net.minecraftforge.fml.server.ServerLifecycleHooks;
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import org.embeddedt.modernfix.ModernFix;
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import org.embeddedt.modernfix.packet.EntityIDSyncPacket;
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import org.embeddedt.modernfix.packet.PacketHandler;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.lang.reflect.ParameterizedType;
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import java.lang.reflect.Type;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class EntityDataIDSyncHandler {
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private static Map<Class<? extends Entity>, List<Pair<String, Integer>>> fieldsToSyncMap;
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@SubscribeEvent(priority = EventPriority.HIGHEST)
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@SuppressWarnings("unchecked")
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public static void onDatapackSyncEvent(OnDatapackSyncEvent event) {
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if(event.getPlayer() != null) {
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/* Compute the current set of serializer IDs in use and send them */
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try {
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if(fieldsToSyncMap == null) {
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fieldsToSyncMap = new HashMap<>();
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Field entityPoolField = ObfuscationReflectionHelper.findField(SynchedEntityData.class, "field_187232_a");
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Map<Class<? extends Entity>, Integer> entityPoolMap = (Map<Class<? extends Entity>, Integer>)entityPoolField.get(null);
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List<Field> fieldsToSync = new ArrayList<>();
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for(Class<? extends Entity> eClass : entityPoolMap.keySet()) {
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fieldsToSync.clear();
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Field[] classFields = eClass.getDeclaredFields();
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for(Field field : classFields) {
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if(!Modifier.isStatic(field.getModifiers()))
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continue;
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field.setAccessible(true);
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Object o = field.get(null);
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if(o != null && EntityDataAccessor.class.isAssignableFrom(o.getClass())) {
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fieldsToSync.add(field);
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}
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}
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for(Field field : fieldsToSync) {
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int id = ((EntityDataAccessor<?>)field.get(null)).id;
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fieldsToSyncMap.computeIfAbsent(eClass, k -> new ArrayList<>()).add(Pair.of(field.getName(), id));
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}
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}
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}
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EntityIDSyncPacket packet = new EntityIDSyncPacket(fieldsToSyncMap);
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ModernFix.LOGGER.debug("Sending ID correction packet to client with " + fieldsToSyncMap.size() + " classes");
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PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(event::getPlayer), packet);
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} catch(ObfuscationReflectionHelper.UnableToFindFieldException | ReflectiveOperationException e) {
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e.printStackTrace();
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}
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}
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}
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}
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