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package tectech.mechanics.enderStorage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.world.WorldSavedData;
import net.minecraft.world.storage.MapStorage;
import net.minecraftforge.common.DimensionManager;
import net.minecraftforge.event.world.WorldEvent;
import net.minecraftforge.fluids.IFluidHandler;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import tectech.Reference;
public class EnderWorldSavedData extends WorldSavedData {
private static EnderWorldSavedData INSTANCE;
private static final String DATA_NAME = Reference.MODID + "_EnderWorldSavedData";
private static final String ENDER_LIQUID_TAG_LINK = DATA_NAME + "_EnderLiquidTagLink";
private static final String ENDER_LIQUID_TANK_LINK = DATA_NAME + "_EnderLiquidTankLink";
private static final String ENDER_LIQUID_TAG_VERSION = DATA_NAME + "_Version";
private Map<EnderLinkTag, EnderFluidContainer> EnderLiquidTagLink = new HashMap<>();
private Map<EnderLinkTank, EnderLinkTag> EnderLiquidTankLink = new HashMap<>();
public EnderWorldSavedData() {
super(DATA_NAME);
}
public EnderWorldSavedData(String s) {
super(s);
}
@SuppressWarnings("unchecked")
@Override
public void readFromNBT(NBTTagCompound nbtTagCompound) {
int version = nbtTagCompound.getInteger(ENDER_LIQUID_TAG_VERSION);
switch (version) {
case 0: {
try {
byte[] bytes = nbtTagCompound.getByteArray(ENDER_LIQUID_TAG_LINK);
try (InputStream is = new ByteArrayInputStream(bytes);
ObjectInputStream objectStream = new MigratingObjectInputStream(is);) {
EnderLiquidTagLink = (Map<EnderLinkTag, EnderFluidContainer>) objectStream.readObject();
}
} catch (IOException | ClassNotFoundException e) {
System.out.println("ENDER_LIQUID_TAG_LINK LOAD FAILED");
e.printStackTrace();
}
try {
byte[] bytes = nbtTagCompound.getByteArray(ENDER_LIQUID_TANK_LINK);
try (InputStream is = new ByteArrayInputStream(bytes);
ObjectInputStream objectStream = new MigratingObjectInputStream(is);) {
EnderLiquidTankLink = (Map<EnderLinkTank, EnderLinkTag>) objectStream.readObject();
}
} catch (IOException | ClassNotFoundException e) {
System.out.println("ENDER_LIQUID_TANK_LINK LOAD FAILED");
e.printStackTrace();
}
break;
}
case 1: {
List<NBTTagCompound> tags = ((NBTTagList) nbtTagCompound.getTag(ENDER_LIQUID_TAG_LINK)).tagList;
EnderLiquidTagLink = new HashMap<>();
for (NBTTagCompound tagLink : tags) {
EnderLinkTag tag = EnderLinkTag.load((NBTTagCompound) tagLink.getTag("k"));
EnderFluidContainer container = EnderFluidContainer.load((NBTTagCompound) tagLink.getTag("v"));
EnderLiquidTagLink.put(tag, container);
}
List<NBTTagCompound> tanks = ((NBTTagList) nbtTagCompound.getTag(ENDER_LIQUID_TANK_LINK)).tagList;
EnderLiquidTankLink = new HashMap<>();
for (NBTTagCompound tankLink : tanks) {
EnderLinkTank tank = EnderLinkTank.load((NBTTagCompound) tankLink.getTag("k"));
EnderLinkTag tag = EnderLinkTag.load((NBTTagCompound) tankLink.getTag("v"));
EnderLiquidTankLink.put(tank, tag);
}
break;
}
}
}
@Override
public void writeToNBT(NBTTagCompound nbtTagCompound) {
nbtTagCompound.setInteger(ENDER_LIQUID_TAG_VERSION, 1);
HashSet<EnderLinkTag> usedTags = new HashSet<>();
NBTTagList tanks = new NBTTagList();
EnderLiquidTankLink.forEach((tank, tag) -> {
if (tank.getFluidHandler() != null) {
usedTags.add(tag);
NBTTagCompound entry = new NBTTagCompound();
entry.setTag("k", tank.save());
entry.setTag("v", tag.save());
tanks.appendTag(entry);
}
});
nbtTagCompound.setTag(ENDER_LIQUID_TANK_LINK, tanks);
NBTTagList tags = new NBTTagList();
EnderLiquidTagLink.forEach((tag, container) -> {
if (usedTags.contains(tag)) {
NBTTagCompound entry = new NBTTagCompound();
entry.setTag("k", tag.save());
entry.setTag("v", container.save());
tags.appendTag(entry);
}
});
nbtTagCompound.setTag(ENDER_LIQUID_TAG_LINK, tags);
}
private static void loadInstance() {
if (INSTANCE == null) {
MapStorage storage = DimensionManager.getWorld(0).mapStorage;
INSTANCE = (EnderWorldSavedData) storage.loadData(EnderWorldSavedData.class, DATA_NAME);
if (INSTANCE == null) {
INSTANCE = new EnderWorldSavedData();
storage.setData(DATA_NAME, INSTANCE);
}
}
INSTANCE.markDirty();
}
private static Map<EnderLinkTag, EnderFluidContainer> getEnderLiquidLink() {
loadInstance();
return INSTANCE.EnderLiquidTagLink;
}
private static Map<EnderLinkTank, EnderLinkTag> getEnderLiquidTankLink() {
loadInstance();
return INSTANCE.EnderLiquidTankLink;
}
public static EnderFluidContainer getEnderFluidContainer(EnderLinkTag tag) {
if (!getEnderLiquidLink().containsKey(tag)) {
getEnderLiquidLink().put(tag, new EnderFluidContainer());
}
return getEnderLiquidLink().get(tag);
}
public static EnderLinkTag getEnderLinkTag(IFluidHandler handler) {
EnderLinkTank tank = new EnderLinkTank(handler);
EnderLinkTag tag = getEnderLiquidTankLink().get(tank);
if (tag != null && Objects.equals(tag.getFrequency(), "")) {
tag = null;
}
return tag;
}
public static void bindEnderLinkTag(IFluidHandler handler, EnderLinkTag tag) {
EnderLinkTank tank = new EnderLinkTank(handler);
if (!tag.equals(getEnderLiquidTankLink().get(tank))) {
unbindTank(handler);
getEnderLiquidTankLink().remove(tank);
getEnderLiquidTankLink().put(tank, tag);
}
}
public static void unbindTank(IFluidHandler handler) {
EnderLinkTank tank = new EnderLinkTank(handler);
EnderLinkTag oldTag = getEnderLiquidTankLink().remove(tank);
if (oldTag != null) {
boolean isReferenced = getEnderLiquidTankLink().values()
.contains(oldTag);
if (!isReferenced) {
getEnderLiquidLink().remove(oldTag);
}
}
}
@SubscribeEvent
public void onWorldUnload(WorldEvent.Unload event) {
if (event.world.provider.dimensionId == 0) {
INSTANCE = null;
}
}
private static class MigratingObjectInputStream extends ObjectInputStream {
public MigratingObjectInputStream(InputStream in) throws IOException {
super(in);
}
@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
ObjectStreamClass resultClassDescriptor = super.readClassDescriptor();
String className = resultClassDescriptor.getName();
if (className.startsWith("com.github.technus.")) {
resultClassDescriptor = ObjectStreamClass
.lookup(Class.forName(className.replace("com.github.technus.", "")));
}
return resultClassDescriptor;
}
}
}
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