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https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 04:20:04 +01:00
Add Item serialization as json api (#11235)
* Item serialization as json * Add ItemStackAdapter for Gson * A javadoc note at #serialize() and #deserialize() * Rebase * Move serialize closer to deserialize * Add explaining comment about SERIALIZE_CUSTOM_AS_SNBT usage * Apply lynxplay requests * Forgot `@NotNull` * Very important diff was removed * Rebase * Javadocs --------- Co-authored-by: Bjarne Koll <lynxplay101@gmail.com>
Dieser Commit ist enthalten in:
masmc05
GitHub
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7632de5134
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b09eaf2e8d
47
patches/api/0490-Item-serialization-as-json.patch
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47
patches/api/0490-Item-serialization-as-json.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: masmc05 <masmc05@gmail.com>
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Date: Sun, 11 Aug 2024 03:01:52 +0300
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Subject: [PATCH] Item serialization as json
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diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
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index c80e0ef587a001ee6de3f5c182cc9696d58bafeb..10c87b7c19ed3eab28fdce5f225df3767292ee0a 100644
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--- a/src/main/java/org/bukkit/UnsafeValues.java
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+++ b/src/main/java/org/bukkit/UnsafeValues.java
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@@ -174,6 +174,36 @@ public interface UnsafeValues {
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ItemStack deserializeItem(byte[] data);
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+ /**
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+ * Serializes this itemstack to json format.
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+ * It is safe for data migrations as it will use the built-in data converter instead of bukkit's
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+ * dangerous serialization system.
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+ * <p>
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+ * The emitted json object's format will inherently change across versions and hence should not be used for
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+ * non-development purposes like plugin configurations or end-user input.
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+ *
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+ * @return json object representing this item.
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+ * @see #deserializeItemFromJson(com.google.gson.JsonObject)
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+ * @throws IllegalArgumentException if the passed itemstack is {@link ItemStack#empty()}.
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+ */
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+ @NotNull
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+ com.google.gson.JsonObject serializeItemAsJson(@NotNull ItemStack itemStack);
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+
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+ /**
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+ * Creates an itemstack from a json object.
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+ * <p>
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+ * This method expects a json object in the format emitted by {@link #serializeItemAsJson(ItemStack)}.
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+ * <p>
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+ * The emitted json object's format will inherently change across versions and hence should not be used for
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+ * non-development purposes like plugin configurations or end-user input.
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+ *
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+ * @param data object representing an item in Json format
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+ * @return the deserialize item stack, migrated to the latest data version if needed.
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+ * @throws IllegalArgumentException if the json object is not a valid item
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+ * @see #serializeItemAsJson(ItemStack)
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+ */
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+ @NotNull ItemStack deserializeItemFromJson(@NotNull com.google.gson.JsonObject data) throws IllegalArgumentException;
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+
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byte[] serializeEntity(org.bukkit.entity.Entity entity);
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default org.bukkit.entity.Entity deserializeEntity(byte[] data, World world) {
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73
patches/server/1060-Item-serialization-as-json.patch
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73
patches/server/1060-Item-serialization-as-json.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: masmc05 <masmc05@gmail.com>
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Date: Sun, 11 Aug 2024 03:01:52 +0300
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Subject: [PATCH] Item serialization as json
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diff --git a/src/main/java/net/minecraft/world/item/component/CustomData.java b/src/main/java/net/minecraft/world/item/component/CustomData.java
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index 6b7245cf05ea4b6ce05462eb3164bce7f5d76a03..ac1914438307e8a7cc3a3b6352e88a0638f8a33b 100644
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--- a/src/main/java/net/minecraft/world/item/component/CustomData.java
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+++ b/src/main/java/net/minecraft/world/item/component/CustomData.java
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@@ -28,7 +28,17 @@ import org.slf4j.Logger;
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public final class CustomData {
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private static final Logger LOGGER = LogUtils.getLogger();
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public static final CustomData EMPTY = new CustomData(new CompoundTag());
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- public static final Codec<CustomData> CODEC = Codec.withAlternative(CompoundTag.CODEC, TagParser.AS_CODEC)
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+ // Paper start - Item serialization as json
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+ public static ThreadLocal<Boolean> SERIALIZE_CUSTOM_AS_SNBT = ThreadLocal.withInitial(() -> false);
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+ public static final Codec<CustomData> CODEC = Codec.either(CompoundTag.CODEC, TagParser.AS_CODEC)
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+ .xmap(com.mojang.datafixers.util.Either::unwrap, data -> { // Both will be used for deserialization, but we decide which one to use for serialization
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+ if (!SERIALIZE_CUSTOM_AS_SNBT.get()) {
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+ return com.mojang.datafixers.util.Either.left(data); // First codec
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+ } else {
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+ return com.mojang.datafixers.util.Either.right(data); // Second codec
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+ }
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+ })
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+ // Paper end - Item serialization as json
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.xmap(CustomData::new, component -> component.tag);
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public static final Codec<CustomData> CODEC_WITH_ID = CODEC.validate(
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component -> component.getUnsafe().contains("id", 8) ? DataResult.success(component) : DataResult.error(() -> "Missing id for entity in: " + component)
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 7d32c032b63b9c4674489b30c845fe2de8275808..f78744b6d6075f584d9a88612661854f3f04aed1 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -505,6 +505,39 @@ public final class CraftMagicNumbers implements UnsafeValues {
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return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.parse(MinecraftServer.getServer().registryAccess(), compound).orElseThrow());
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}
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+ @Override
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+ public com.google.gson.JsonObject serializeItemAsJson(ItemStack itemStack) {
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+ Preconditions.checkNotNull(itemStack, "Cannot serialize empty ItemStack");
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+ Preconditions.checkArgument(!itemStack.isEmpty(), "Cannot serialize empty ItemStack");
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+
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+ net.minecraft.core.RegistryAccess.Frozen reg = net.minecraft.server.MinecraftServer.getServer().registryAccess();
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+ com.mojang.serialization.DynamicOps<com.google.gson.JsonElement> ops = reg.createSerializationContext(com.mojang.serialization.JsonOps.INSTANCE);
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+ com.google.gson.JsonObject item;
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+ // Serialize as SNBT to preserve exact NBT types; vanilla codecs already can handle such deserialization.
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+ net.minecraft.world.item.component.CustomData.SERIALIZE_CUSTOM_AS_SNBT.set(true);
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+ try {
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+ item = net.minecraft.world.item.ItemStack.CODEC.encodeStart(ops, CraftItemStack.unwrap(itemStack)).getOrThrow().getAsJsonObject();
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+ } finally {
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+ net.minecraft.world.item.component.CustomData.SERIALIZE_CUSTOM_AS_SNBT.set(false);
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+ }
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+ item.addProperty("DataVersion", this.getDataVersion());
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+ return item;
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+ }
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+
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+ @Override
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+ public ItemStack deserializeItemFromJson(com.google.gson.JsonObject data) throws IllegalArgumentException {
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+ Preconditions.checkNotNull(data, "null cannot be deserialized");
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+
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+ final int dataVersion = data.get("DataVersion").getAsInt();
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+ final int currentVersion = org.bukkit.craftbukkit.util.CraftMagicNumbers.INSTANCE.getDataVersion();
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+ data = ca.spottedleaf.dataconverter.minecraft.MCDataConverter.convertJson(
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+ ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry.ITEM_STACK,
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+ data, false, dataVersion, currentVersion
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+ );
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+ com.mojang.serialization.DynamicOps<com.google.gson.JsonElement> ops = MinecraftServer.getServer().registryAccess().createSerializationContext(com.mojang.serialization.JsonOps.INSTANCE);
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+ return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.CODEC.parse(ops, data).getOrThrow(IllegalArgumentException::new));
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+ }
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+
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@Override
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public byte[] serializeEntity(org.bukkit.entity.Entity entity) {
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Preconditions.checkNotNull(entity, "null cannot be serialized");
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