Mirror von
https://github.com/ViaVersion/ViaVersion.git
synchronisiert 2024-09-08 13:52:50 +02:00
Basic support for rewriting SpawnEggs and Potions, still needs more work
Dieser Commit ist enthalten in:
Ursprung
9108e78491
Commit
64c2ba243f
7
pom.xml
7
pom.xml
@ -26,7 +26,12 @@
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</resources>
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</resources>
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</build>
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</build>
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<dependencies>
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<dependencies>
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<dependency>
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<dependency>
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<groupId>org.spigotmc</groupId>
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<artifactId>spigot</artifactId>
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<version>1.8.8-R0.1-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>org.bukkit</groupId>
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<groupId>org.bukkit</groupId>
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<artifactId>bukkit</artifactId>
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<artifactId>bukkit</artifactId>
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<version>1.8.8-R0.1-SNAPSHOT</version>
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<version>1.8.8-R0.1-SNAPSHOT</version>
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168
src/main/java/us/myles/ViaVersion/api/slot/ItemSlotRewriter.java
Normale Datei
168
src/main/java/us/myles/ViaVersion/api/slot/ItemSlotRewriter.java
Normale Datei
@ -0,0 +1,168 @@
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package us.myles.ViaVersion.api.slot;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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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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import java.util.Map.Entry;
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import org.bukkit.Material;
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import net.minecraft.server.v1_8_R3.EntityTypes;
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import net.minecraft.server.v1_8_R3.Item;
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import net.minecraft.server.v1_8_R3.ItemStack;
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import net.minecraft.server.v1_8_R3.MobEffect;
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import net.minecraft.server.v1_8_R3.MobEffectList;
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import net.minecraft.server.v1_8_R3.NBTTagCompound;
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import net.minecraft.server.v1_8_R3.PotionBrewer;
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import io.netty.buffer.ByteBuf;
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import us.myles.ViaVersion.CancelException;
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import us.myles.ViaVersion.util.ReflectionUtil;
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public class ItemSlotRewriter {
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public static void rewrite1_9To1_8(ByteBuf input, ByteBuf output) throws CancelException {
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try {
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Object item = readItemStack(input);
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fixIdsFrom1_9To1_8(item);
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writeItemStack(item, output);
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} catch (Exception e) {
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System.out.println("Error while rewriting an item slot.");
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e.printStackTrace();
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throw new CancelException();
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}
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}
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public static void rewrite1_8To1_9(ByteBuf input, ByteBuf output) throws CancelException {
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try {
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Object item = readItemStack(input);
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fixIdsFrom1_8To1_9(item);
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writeItemStack(item, output);
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} catch (Exception e) {
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System.out.println("Error while rewriting an item slot.");
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e.printStackTrace();
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throw new CancelException();
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}
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}
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public static void fixIdsFrom1_9To1_8(Object itemstack) throws NoSuchFieldException, IllegalAccessException {
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if (itemstack != null) {
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ItemStack stack = (ItemStack) itemstack;
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int itemId = Item.getId(stack.getItem());
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if (itemId == Material.MONSTER_EGG.getId() && stack.getData() == 0) {
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NBTTagCompound tag = stack.getTag();
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int data = 0;
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if (tag != null && tag.hasKeyOfType("EntityTag", 10)) {
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NBTTagCompound entityTag = tag.getCompound("EntityTag");
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if (entityTag.hasKeyOfType("id", 8)) {
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String id = entityTag.getString("id");
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Map<String, Integer> g = (Map<String, Integer>) ReflectionUtil.getStatic(EntityTypes.class, "g", Map.class);
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data = g.get(id);
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}
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}
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stack.setTag(null);
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stack.setData(data);
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} else if (itemId == Material.POTION.getId() && stack.getData() == 0) {
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NBTTagCompound tag = stack.getTag();
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if (tag != null) {
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System.out.println("in: " + tag);
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}
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}
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}
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}
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public static void fixIdsFrom1_8To1_9(Object itemstack) {
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if (itemstack != null) {
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ItemStack stack = (ItemStack) itemstack;
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int itemId = Item.getId(stack.getItem());
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if (itemId == Material.MONSTER_EGG.getId() && stack.getData() != 0) {
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NBTTagCompound tag = stack.getTag();
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if (tag == null) {
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tag = new NBTTagCompound();
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}
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NBTTagCompound entityTag = new NBTTagCompound();
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entityTag.setString("id", EntityTypes.b(stack.getData()));
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tag.set("EntityTag", entityTag);
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stack.setTag(tag);
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stack.setData(0);
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} else if (itemId == Material.POTION.getId() && stack.getData() != 0) {
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NBTTagCompound tag = stack.getTag();
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if (tag == null) {
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tag = new NBTTagCompound();
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stack.setTag(tag);
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}
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try {
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List<MobEffect> effects = PotionBrewer.getEffects(stack.getData(), true);
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if (effects != null && effects.size() >= 1) {
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MobEffect effect = effects.get(0);
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MobEffectList type = MobEffectList.byId[effect.getEffectId()];
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StringBuilder name = new StringBuilder();
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System.out.println(effect.getDuration() + " ?>? " +type.k());
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if (effect.getAmplifier() > 0) {
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name.append("strong_");
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} else if (effect.getDuration() > type.k()) {
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name.append("long_");
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}
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name.append(POTION_TYPE_TO_KEY.get(effect.getEffectId()));
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System.out.println("Rewriting to: " + name.toString());
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tag.setString("Potion", name.toString());
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} else {
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System.out.println("Falling back to water for subId: " + stack.getData());
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tag.setString("Potion", "water");
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}
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} catch (Exception 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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public static Object readItemStack(ByteBuf input) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
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Object serializer = getPacketDataSerializer(input);
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return READ_ITEM.invoke(serializer);
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}
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public static void writeItemStack(Object itemstack, ByteBuf output) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
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Object serializer = getPacketDataSerializer(output);
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WRITE_ITEM.invoke(serializer, itemstack);
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}
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private static final Map<Integer, String> POTION_TYPE_TO_KEY = new HashMap<>();
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private static Constructor<?> SERIALIZER_CONSTRUCTOR;
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private static Method WRITE_ITEM;
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private static Method READ_ITEM;
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static {
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try {
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Class<?> list = ReflectionUtil.nms("MobEffectList");
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Map<Object, Object> map = ReflectionUtil.getStatic(list, "I", Map.class);
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for (Entry<Object, Object> e : map.entrySet()) {
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System.out.println(e.getValue());
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System.out.println(e.getValue().getClass());
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int id = ReflectionUtil.get(e.getValue(), list, "id", int.class);
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String type = ReflectionUtil.get(e.getKey(), "b", String.class);
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POTION_TYPE_TO_KEY.put(id, type);
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}
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} catch (NoSuchFieldException | IllegalAccessException | ClassNotFoundException e1) {
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e1.printStackTrace();
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}
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try {
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Class<?> serializer = ReflectionUtil.nms("PacketDataSerializer");
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Class<?> itemStack = ReflectionUtil.nms("ItemStack");
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SERIALIZER_CONSTRUCTOR = serializer.getDeclaredConstructor(ByteBuf.class);
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WRITE_ITEM = serializer.getDeclaredMethod("a", itemStack);
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READ_ITEM = serializer.getDeclaredMethod("i");
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} catch (ClassNotFoundException | NoSuchMethodException | SecurityException e) {
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e.printStackTrace();
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}
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}
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private static Object getPacketDataSerializer(ByteBuf buf) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
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return SERIALIZER_CONSTRUCTOR.newInstance(buf);
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}
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}
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@ -11,6 +11,7 @@ import org.bukkit.util.Vector;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBuf;
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import us.myles.ViaVersion.api.slot.ItemSlotRewriter;
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import us.myles.ViaVersion.util.PacketUtil;
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import us.myles.ViaVersion.util.PacketUtil;
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public class MetadataRewriter {
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public class MetadataRewriter {
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@ -92,7 +93,8 @@ public class MetadataRewriter {
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output.writeBoolean(((Byte) value).byteValue() != 0);
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output.writeBoolean(((Byte) value).byteValue() != 0);
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break;
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break;
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case Slot:
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case Slot:
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PacketUtil.writeItem(value, output);
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ItemSlotRewriter.fixIdsFrom1_8To1_9(value);
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ItemSlotRewriter.writeItemStack(value, output);
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break;
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break;
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case Position:
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case Position:
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Vector vector = (Vector) value;
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Vector vector = (Vector) value;
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@ -148,8 +150,13 @@ public class MetadataRewriter {
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case String:
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case String:
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entries.add(new Entry(index, PacketUtil.readString(buf)));
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entries.add(new Entry(index, PacketUtil.readString(buf)));
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break;
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break;
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case Slot:
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case Slot: {
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entries.add(new Entry(index, PacketUtil.readItem(buf)));
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try {
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entries.add(new Entry(index, ItemSlotRewriter.readItemStack(buf)));
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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break;
|
break;
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case Position: {
|
case Position: {
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int x = buf.readInt();
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int x = buf.readInt();
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|
@ -5,6 +5,7 @@ import org.bukkit.inventory.ItemStack;
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import us.myles.ViaVersion.CancelException;
|
import us.myles.ViaVersion.CancelException;
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import us.myles.ViaVersion.ConnectionInfo;
|
import us.myles.ViaVersion.ConnectionInfo;
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import us.myles.ViaVersion.ViaVersionPlugin;
|
import us.myles.ViaVersion.ViaVersionPlugin;
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|
import us.myles.ViaVersion.api.slot.ItemSlotRewriter;
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import us.myles.ViaVersion.packets.PacketType;
|
import us.myles.ViaVersion.packets.PacketType;
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import us.myles.ViaVersion.packets.State;
|
import us.myles.ViaVersion.packets.State;
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import us.myles.ViaVersion.util.PacketUtil;
|
import us.myles.ViaVersion.util.PacketUtil;
|
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@ -121,7 +122,7 @@ public class IncomingTransformer {
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output.writeByte(button);
|
output.writeByte(button);
|
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output.writeShort(action);
|
output.writeShort(action);
|
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output.writeByte(mode);
|
output.writeByte(mode);
|
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output.writeBytes(input);
|
ItemSlotRewriter.rewrite1_9To1_8(input, output);
|
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return;
|
return;
|
||||||
}
|
}
|
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if (packet == PacketType.PLAY_CLIENT_SETTINGS) {
|
if (packet == PacketType.PLAY_CLIENT_SETTINGS) {
|
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@ -178,6 +179,8 @@ public class IncomingTransformer {
|
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try {
|
try {
|
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Method m = ReflectionUtil.obc("inventory.CraftItemStack").getDeclaredMethod("asNMSCopy", ItemStack.class);
|
Method m = ReflectionUtil.obc("inventory.CraftItemStack").getDeclaredMethod("asNMSCopy", ItemStack.class);
|
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item = m.invoke(null, inHand);
|
item = m.invoke(null, inHand);
|
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|
ItemSlotRewriter.fixIdsFrom1_9To1_8(item);
|
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|
ItemSlotRewriter.writeItemStack(item, output);
|
||||||
} catch (NoSuchMethodException e) {
|
} catch (NoSuchMethodException e) {
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
} catch (ClassNotFoundException e) {
|
} catch (ClassNotFoundException e) {
|
||||||
@ -186,10 +189,14 @@ public class IncomingTransformer {
|
|||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
} catch (IllegalAccessException e) {
|
} catch (IllegalAccessException e) {
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
|
} catch (IllegalArgumentException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
} catch (InstantiationException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
} catch (NoSuchFieldException e) {
|
||||||
|
e.printStackTrace();
|
||||||
}
|
}
|
||||||
|
|
||||||
PacketUtil.writeItem(item, output);
|
|
||||||
|
|
||||||
short curX = input.readUnsignedByte();
|
short curX = input.readUnsignedByte();
|
||||||
output.writeByte(curX);
|
output.writeByte(curX);
|
||||||
short curY = input.readUnsignedByte();
|
short curY = input.readUnsignedByte();
|
||||||
@ -210,6 +217,8 @@ public class IncomingTransformer {
|
|||||||
try {
|
try {
|
||||||
Method m = ReflectionUtil.obc("inventory.CraftItemStack").getDeclaredMethod("asNMSCopy", ItemStack.class);
|
Method m = ReflectionUtil.obc("inventory.CraftItemStack").getDeclaredMethod("asNMSCopy", ItemStack.class);
|
||||||
item = m.invoke(null, inHand);
|
item = m.invoke(null, inHand);
|
||||||
|
ItemSlotRewriter.fixIdsFrom1_9To1_8(item);
|
||||||
|
ItemSlotRewriter.writeItemStack(item, output);
|
||||||
} catch (NoSuchMethodException e) {
|
} catch (NoSuchMethodException e) {
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
} catch (ClassNotFoundException e) {
|
} catch (ClassNotFoundException e) {
|
||||||
@ -218,14 +227,25 @@ public class IncomingTransformer {
|
|||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
} catch (IllegalAccessException e) {
|
} catch (IllegalAccessException e) {
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
|
} catch (IllegalArgumentException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
} catch (InstantiationException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
} catch (NoSuchFieldException e) {
|
||||||
|
e.printStackTrace();
|
||||||
}
|
}
|
||||||
PacketUtil.writeItem(item, output);
|
|
||||||
|
|
||||||
output.writeByte(-1);
|
output.writeByte(-1);
|
||||||
output.writeByte(-1);
|
output.writeByte(-1);
|
||||||
output.writeByte(-1);
|
output.writeByte(-1);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
if (packet == PacketType.PLAY_CREATIVE_INVENTORY_ACTION) {
|
||||||
|
short slot = input.readShort();
|
||||||
|
output.writeShort(slot);
|
||||||
|
|
||||||
|
ItemSlotRewriter.rewrite1_9To1_8(input, output);
|
||||||
|
}
|
||||||
output.writeBytes(input);
|
output.writeBytes(input);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -14,6 +14,7 @@ import us.myles.ViaVersion.CancelException;
|
|||||||
import us.myles.ViaVersion.ConnectionInfo;
|
import us.myles.ViaVersion.ConnectionInfo;
|
||||||
import us.myles.ViaVersion.ViaVersionPlugin;
|
import us.myles.ViaVersion.ViaVersionPlugin;
|
||||||
import us.myles.ViaVersion.api.ViaVersion;
|
import us.myles.ViaVersion.api.ViaVersion;
|
||||||
|
import us.myles.ViaVersion.api.slot.ItemSlotRewriter;
|
||||||
import us.myles.ViaVersion.metadata.MetadataRewriter;
|
import us.myles.ViaVersion.metadata.MetadataRewriter;
|
||||||
import us.myles.ViaVersion.packets.PacketType;
|
import us.myles.ViaVersion.packets.PacketType;
|
||||||
import us.myles.ViaVersion.packets.State;
|
import us.myles.ViaVersion.packets.State;
|
||||||
@ -64,11 +65,11 @@ public class OutgoingTransformer {
|
|||||||
int catid = 0;
|
int catid = 0;
|
||||||
String newname = name;
|
String newname = name;
|
||||||
if (effect != null) {
|
if (effect != null) {
|
||||||
if(effect.isBreakPlaceSound()) {
|
if(effect.isBreakPlaceSound()) {
|
||||||
input.readBytes(input.readableBytes());
|
input.readBytes(input.readableBytes());
|
||||||
output.clear();
|
output.clear();
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
catid = effect.getCategory().getId();
|
catid = effect.getCategory().getId();
|
||||||
newname = effect.getNewName();
|
newname = effect.getNewName();
|
||||||
}
|
}
|
||||||
@ -221,7 +222,9 @@ public class OutgoingTransformer {
|
|||||||
slot += 1; // add 1 so it's now 2-5
|
slot += 1; // add 1 so it's now 2-5
|
||||||
}
|
}
|
||||||
PacketUtil.writeVarInt(slot, output);
|
PacketUtil.writeVarInt(slot, output);
|
||||||
output.writeBytes(input);
|
|
||||||
|
ItemSlotRewriter.rewrite1_8To1_9(input, output);
|
||||||
|
return;
|
||||||
}
|
}
|
||||||
if (packet == PacketType.PLAY_ENTITY_METADATA) {
|
if (packet == PacketType.PLAY_ENTITY_METADATA) {
|
||||||
int id = PacketUtil.readVarInt(input);
|
int id = PacketUtil.readVarInt(input);
|
||||||
@ -338,6 +341,28 @@ public class OutgoingTransformer {
|
|||||||
output.writeBytes(input);
|
output.writeBytes(input);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
if (packet == PacketType.PLAY_SET_SLOT) {
|
||||||
|
int windowId = input.readUnsignedByte();
|
||||||
|
output.writeByte(windowId);
|
||||||
|
|
||||||
|
short slot = input.readShort();
|
||||||
|
output.writeShort(slot);
|
||||||
|
|
||||||
|
ItemSlotRewriter.rewrite1_8To1_9(input, output);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if (packet == PacketType.PLAY_WINDOW_ITEMS) {
|
||||||
|
int windowId = input.readUnsignedByte();
|
||||||
|
output.writeByte(windowId);
|
||||||
|
|
||||||
|
short count = input.readShort();
|
||||||
|
output.writeShort(count);
|
||||||
|
|
||||||
|
for (int i = 0; i < count; i++) {
|
||||||
|
ItemSlotRewriter.rewrite1_8To1_9(input, output);
|
||||||
|
}
|
||||||
|
return;
|
||||||
|
}
|
||||||
if (packet == PacketType.PLAY_SPAWN_MOB) {
|
if (packet == PacketType.PLAY_SPAWN_MOB) {
|
||||||
int id = PacketUtil.readVarInt(input);
|
int id = PacketUtil.readVarInt(input);
|
||||||
PacketUtil.writeVarInt(id, output);
|
PacketUtil.writeVarInt(id, output);
|
||||||
@ -521,11 +546,11 @@ public class OutgoingTransformer {
|
|||||||
line = "{\"text\":" + line + "}";
|
line = "{\"text\":" + line + "}";
|
||||||
}
|
}
|
||||||
try {
|
try {
|
||||||
new JSONParser().parse(line);
|
new JSONParser().parse(line);
|
||||||
}
|
}
|
||||||
catch (org.json.simple.parser.ParseException e) {
|
catch (org.json.simple.parser.ParseException e) {
|
||||||
System.out.println("Invalid JSON String: \"" + line + "\" Please report this issue to the ViaVersion Github!");
|
System.out.println("Invalid JSON String: \"" + line + "\" Please report this issue to the ViaVersion Github!");
|
||||||
return "{\"text\":\"\"}";
|
return "{\"text\":\"\"}";
|
||||||
}
|
}
|
||||||
return line;
|
return line;
|
||||||
}
|
}
|
||||||
|
@ -354,45 +354,6 @@ public class PacketUtil {
|
|||||||
return output;
|
return output;
|
||||||
}
|
}
|
||||||
|
|
||||||
public static void writeItem(Object value, ByteBuf output) {
|
|
||||||
try {
|
|
||||||
Class<?> serializer = ReflectionUtil.nms("PacketDataSerializer");
|
|
||||||
Object init = serializer.getDeclaredConstructor(ByteBuf.class).newInstance(output);
|
|
||||||
Method toCall = init.getClass().getDeclaredMethod("a", ReflectionUtil.nms("ItemStack"));
|
|
||||||
toCall.invoke(init, value);
|
|
||||||
} catch (ClassNotFoundException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (NoSuchMethodException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (InstantiationException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (IllegalAccessException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (InvocationTargetException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
public static Object readItem(ByteBuf output) {
|
|
||||||
try {
|
|
||||||
Class<?> serializer = ReflectionUtil.nms("PacketDataSerializer");
|
|
||||||
Object init = serializer.getDeclaredConstructor(ByteBuf.class).newInstance(output);
|
|
||||||
Method toCall = init.getClass().getDeclaredMethod("i");
|
|
||||||
return toCall.invoke(init);
|
|
||||||
} catch (ClassNotFoundException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (NoSuchMethodException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (InstantiationException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (IllegalAccessException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
} catch (InvocationTargetException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
}
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static long[] readBlockPosition(ByteBuf buf) {
|
public static long[] readBlockPosition(ByteBuf buf) {
|
||||||
long val = buf.readLong();
|
long val = buf.readLong();
|
||||||
long x = (val >> 38); // signed
|
long x = (val >> 38); // signed
|
||||||
|
@ -27,6 +27,18 @@ public class ReflectionUtil {
|
|||||||
return m.invoke(o);
|
return m.invoke(o);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public static <T> T getStatic(Class<?> clazz, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
|
||||||
|
Field field = clazz.getDeclaredField(f);
|
||||||
|
field.setAccessible(true);
|
||||||
|
return (T) field.get(null);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static <T> T get(Object instance, Class<?> clazz, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
|
||||||
|
Field field = clazz.getDeclaredField(f);
|
||||||
|
field.setAccessible(true);
|
||||||
|
return (T) field.get(instance);
|
||||||
|
}
|
||||||
|
|
||||||
public static <T> T get(Object o, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
|
public static <T> T get(Object o, String f, Class<T> t) throws NoSuchFieldException, IllegalAccessException {
|
||||||
Field field = o.getClass().getDeclaredField(f);
|
Field field = o.getClass().getDeclaredField(f);
|
||||||
field.setAccessible(true);
|
field.setAccessible(true);
|
||||||
|
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