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PaperMC/patches/api/Add-basic-Datapack-API.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Connor Linfoot <connorlinfoot@me.com>
Date: Sun, 16 May 2021 15:07:34 +0100
Subject: [PATCH] Add basic Datapack API
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
diff --git a/src/main/java/io/papermc/paper/datapack/Datapack.java b/src/main/java/io/papermc/paper/datapack/Datapack.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/datapack/Datapack.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.datapack;
+
+import java.util.Set;
+import net.kyori.adventure.text.Component;
+import org.bukkit.FeatureFlag;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.Unmodifiable;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * This is a snapshot of a datapack on the server. It
+ * won't be updated as datapacks are updated.
+ */
+@NullMarked
+public interface Datapack {
+
+ /**
+ * Gets the name/id of this datapack.
+ *
+ * @return the name of the pack
+ */
+ @Contract(pure = true)
+ String getName();
+
+ /**
+ * Gets the title component of this datapack.
+ *
+ * @return the title
+ */
+ Component getTitle();
+
+ /**
+ * Gets the description component of this datapack.
+ *
+ * @return the description
+ */
+ Component getDescription();
+
+ /**
+ * Gets if this datapack is required to be enabled.
+ *
+ * @return true if the pack is required
+ */
+ boolean isRequired();
+
+ /**
+ * Gets the compatibility status of this pack.
+ *
+ * @return the compatibility of the pack
+ */
+ Compatibility getCompatibility();
+
+ /**
+ * Gets the set of required features for this datapack.
+ *
+ * @return the set of required features
+ */
+ @Unmodifiable Set<FeatureFlag> getRequiredFeatures();
+
+ /**
+ * Gets the enabled state of this pack.
+ *
+ * @return whether the pack is currently enabled
+ */
+ boolean isEnabled();
+
+ /**
+ * Changes the enabled state of this pack. Will
+ * cause a reload of resources ({@code /minecraft:reload}) if
+ * any change happens.
+ *
+ * @param enabled true to enable, false to disable
+ * @apiNote This method may be deprecated in the future as setters on a "snapshot" type are undesirable.
+ */
+ void setEnabled(boolean enabled);
+
+ /**
+ * Gets the source for this datapack.
+ *
+ * @return the pack source
+ */
+ DatapackSource getSource();
+
+ /**
+ * Computes the component vanilla Minecraft uses
+ * to display this datapack. Includes the {@link #getSource()},
+ * {@link #getDescription()}, {@link #getName()}, and the enabled state.
+ *
+ * @return a new component
+ */
+ @Contract(pure = true, value = "-> new")
+ Component computeDisplayName();
+
+ enum Compatibility {
+ TOO_OLD,
+ TOO_NEW,
+ COMPATIBLE,
+ }
+}
diff --git a/src/main/java/io/papermc/paper/datapack/DatapackManager.java b/src/main/java/io/papermc/paper/datapack/DatapackManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/datapack/DatapackManager.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.datapack;
+
+import java.util.Collection;
+import org.jetbrains.annotations.Unmodifiable;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+@NullMarked
+public interface DatapackManager {
+
+ /**
+ * Triggers a refresh of the available and selected datapacks. This
+ * can find new datapacks, remove old ones, and update the metadata for
+ * existing datapacks. Some of these changes will only take effect
+ * after the next {@link org.bukkit.Server#reloadData()} or {@code /minecraft:reload}.
+ */
+ void refreshPacks();
+
+ /**
+ * Gets a datapack by name. May require calling {@link #refreshPacks()} before
+ * to get the latest pack information.
+ *
+ * @param name the name/id of the datapack
+ * @return the datapack, or null if not found
+ */
+ @Nullable Datapack getPack(String name);
+
+ /**
+ * Gets the available datapacks. May require calling {@link #refreshPacks()} before
+ * to get the latest pack information.
+ *
+ * @return all the packs known to the server
+ */
+ @Unmodifiable Collection<Datapack> getPacks();
+
+ /**
+ * Gets the enabled datapacks. May require calling {@link #refreshPacks()} before
+ * to get the latest pack information.
+ *
+ * @return all the packs which are currently enabled
+ */
+ @Unmodifiable Collection<Datapack> getEnabledPacks();
+}
diff --git a/src/main/java/io/papermc/paper/datapack/DatapackSource.java b/src/main/java/io/papermc/paper/datapack/DatapackSource.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/datapack/DatapackSource.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.datapack;
+
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Source of a datapack.
+ */
+@NullMarked
+public sealed interface DatapackSource permits DatapackSourceImpl {
+
+ DatapackSource DEFAULT = create("default");
+ DatapackSource BUILT_IN = create("built_in");
+ DatapackSource FEATURE = create("feature");
+ DatapackSource WORLD = create("world");
+ DatapackSource SERVER = create("server");
+
+ private static DatapackSource create(final String name) {
+ return new DatapackSourceImpl(name);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/datapack/DatapackSourceImpl.java b/src/main/java/io/papermc/paper/datapack/DatapackSourceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/datapack/DatapackSourceImpl.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.datapack;
+
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@ApiStatus.Internal
+@NullMarked
+record DatapackSourceImpl(String name) implements DatapackSource {
+
+ @Override
+ public String toString() {
+ return this.name;
+ }
+}
diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -0,0 +0,0 @@ public final class Bukkit {
/**
* Get the DataPack Manager.
*
+ * @deprecated use {@link #getDatapackManager()}
* @return the manager
*/
@NotNull
+ @Deprecated(forRemoval = true, since = "1.20")
public static DataPackManager getDataPackManager() {
return server.getDataPackManager();
}
@@ -0,0 +0,0 @@ public final class Bukkit {
public static com.destroystokyo.paper.entity.ai.MobGoals getMobGoals() {
return server.getMobGoals();
}
+
+ /**
+ * @return the datapack manager
+ */
+ @NotNull
+ public static io.papermc.paper.datapack.DatapackManager getDatapackManager() {
+ return server.getDatapackManager();
+ }
// Paper end
@NotNull
diff --git a/src/main/java/org/bukkit/Material.java b/src/main/java/org/bukkit/Material.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/Material.java
+++ b/src/main/java/org/bukkit/Material.java
@@ -0,0 +0,0 @@ public enum Material implements Keyed, Translatable, net.kyori.adventure.transla
* @param world the world to check
* @return true if this material can be used in this World.
*/
+ @Deprecated(forRemoval = true, since = "1.20") // Paper
public boolean isEnabledByFeature(@NotNull World world) {
if (isItem()) {
return Bukkit.getDataPackManager().isEnabledByFeature(asItemType(), world);
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -0,0 +0,0 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
/**
* Get the DataPack Manager.
*
+ * @deprecated use {@link #getDatapackManager()}
* @return the manager
*/
@NotNull
+ @Deprecated(forRemoval = true, since = "1.20") // Paper
public DataPackManager getDataPackManager();
/**
@@ -0,0 +0,0 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
*/
@NotNull
com.destroystokyo.paper.entity.ai.MobGoals getMobGoals();
+
+ /**
+ * @return the datapack manager
+ */
+ @NotNull
+ io.papermc.paper.datapack.DatapackManager getDatapackManager();
// Paper end
}
diff --git a/src/main/java/org/bukkit/entity/EntityType.java b/src/main/java/org/bukkit/entity/EntityType.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/entity/EntityType.java
+++ b/src/main/java/org/bukkit/entity/EntityType.java
@@ -0,0 +0,0 @@ public enum EntityType implements Keyed, Translatable, net.kyori.adventure.trans
* @param world the world to check
* @return true if this EntityType can be used to spawn an Entity for this World.
*/
+ @Deprecated(forRemoval = true, since = "1.20") // Paper
public boolean isEnabledByFeature(@NotNull World world) {
return Bukkit.getDataPackManager().isEnabledByFeature(this, world);
}
diff --git a/src/main/java/org/bukkit/packs/DataPack.java b/src/main/java/org/bukkit/packs/DataPack.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/packs/DataPack.java
+++ b/src/main/java/org/bukkit/packs/DataPack.java
@@ -0,0 +0,0 @@ import org.jetbrains.annotations.NotNull;
* Represents a data pack.
*
* @see <a href="https://minecraft.wiki/w/Data_pack">Minecraft wiki</a>
+ * @deprecated use {@link io.papermc.paper.datapack.Datapack}
*/
+@Deprecated(forRemoval = true, since = "1.20") // Paper
public interface DataPack extends Keyed {
/**
diff --git a/src/main/java/org/bukkit/packs/DataPackManager.java b/src/main/java/org/bukkit/packs/DataPackManager.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/packs/DataPackManager.java
+++ b/src/main/java/org/bukkit/packs/DataPackManager.java
@@ -0,0 +0,0 @@ import org.jetbrains.annotations.Nullable;
/**
* Manager of data packs.
+ * @deprecated use {@link io.papermc.paper.datapack.DatapackManager}
*/
+@Deprecated(forRemoval = true, since = "1.20") // Paper
public interface DataPackManager {
/**
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