139 lines
5.5 KiB
Java
139 lines
5.5 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2020.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Optional;
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import com.google.common.collect.Multimap;
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import net.minecraft.nbt.CompoundNBT;
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import net.minecraft.nbt.ListNBT;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.world.storage.IServerConfiguration;
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import net.minecraft.world.storage.SaveFormat;
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import net.minecraftforge.registries.ForgeRegistry;
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import net.minecraftforge.registries.GameData;
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import net.minecraftforge.registries.RegistryManager;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import org.apache.logging.log4j.Marker;
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import org.apache.logging.log4j.MarkerManager;
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/**
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* @author cpw
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*
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*/
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public final class FMLWorldPersistenceHook implements WorldPersistenceHooks.WorldPersistenceHook
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{
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private static final Logger LOGGER = LogManager.getLogger();
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private static final Marker WORLDPERSISTENCE = MarkerManager.getMarker("WP");
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@Override
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public String getModId()
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{
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return "fml";
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}
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@Override
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public CompoundNBT getDataForWriting(SaveFormat.LevelSave levelSave, IServerConfiguration serverInfo)
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{
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CompoundNBT fmlData = new CompoundNBT();
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ListNBT modList = new ListNBT();
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ModList.get().getMods().forEach(mi->
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{
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final CompoundNBT mod = new CompoundNBT();
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mod.putString("ModId", mi.getModId());
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mod.putString("ModVersion", MavenVersionStringHelper.artifactVersionToString(mi.getVersion()));
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modList.add(mod);
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});
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fmlData.put("LoadingModList", modList);
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CompoundNBT registries = new CompoundNBT();
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fmlData.put("Registries", registries);
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LOGGER.debug(WORLDPERSISTENCE,"Gathering id map for writing to world save {}", serverInfo.getWorldName());
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for (Map.Entry<ResourceLocation, ForgeRegistry.Snapshot> e : RegistryManager.ACTIVE.takeSnapshot(true).entrySet())
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{
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registries.put(e.getKey().toString(), e.getValue().write());
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}
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LOGGER.debug(WORLDPERSISTENCE,"ID Map collection complete {}", serverInfo.getWorldName());
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return fmlData;
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}
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@Override
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public void readData(SaveFormat.LevelSave levelSave, IServerConfiguration serverInfo, CompoundNBT tag)
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{
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if (tag.contains("LoadingModList"))
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{
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ListNBT modList = tag.getList("LoadingModList", (byte)10);
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for (int i = 0; i < modList.size(); i++)
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{
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CompoundNBT mod = modList.getCompound(i);
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String modId = mod.getString("ModId");
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if (Objects.equals("minecraft", modId)) {
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continue;
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}
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String modVersion = mod.getString("ModVersion");
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Optional<? extends ModContainer> container = ModList.get().getModContainerById(modId);
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if (!container.isPresent())
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{
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LOGGER.error(WORLDPERSISTENCE,"This world was saved with mod {} which appears to be missing, things may not work well", modId);
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continue;
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}
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if (!Objects.equals(modVersion, MavenVersionStringHelper.artifactVersionToString(container.get().getModInfo().getVersion())))
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{
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LOGGER.warn(WORLDPERSISTENCE,"This world was saved with mod {} version {} and it is now at version {}, things may not work well", modId, modVersion, MavenVersionStringHelper.artifactVersionToString(container.get().getModInfo().getVersion()));
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}
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}
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}
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Multimap<ResourceLocation, ResourceLocation> failedElements = null;
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if (tag.contains("Registries")) // 1.8, genericed out the 'registries' list
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{
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Map<ResourceLocation, ForgeRegistry.Snapshot> snapshot = new HashMap<>();
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CompoundNBT regs = tag.getCompound("Registries");
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for (String key : regs.keySet())
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{
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snapshot.put(new ResourceLocation(key), ForgeRegistry.Snapshot.read(regs.getCompound(key)));
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}
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failedElements = GameData.injectSnapshot(snapshot, true, true);
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}
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if (failedElements != null && !failedElements.isEmpty())
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{
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StringBuilder buf = new StringBuilder();
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buf.append("Forge Mod Loader could not load this save.\n\n")
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.append("There are ").append(failedElements.size()).append(" unassigned registry entries in this save.\n")
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.append("You will not be able to load until they are present again.\n\n");
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failedElements.asMap().forEach((name, entries) ->
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{
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buf.append("Missing ").append(name).append(":\n");
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entries.forEach(rl -> buf.append(" ").append(rl).append("\n"));
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});
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}
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}
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}
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