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Paper/Spigot-Server-Patches/0308-Implement-an-API-for-CanPlaceOn-and-CanDestroy-NBT-v.patch
Zach Brown 70ce6ce831
Move version command update checking to the implementation 
This makes it easier for downstream projects (forks) to replace the
version fetching system with their own. It is as simple as implementing
an interface and overriding the default implementation of
org.bukkit.UnsafeValues#getVersionFetcher()

It also makes it easier for us to organize things like the version
history feature.

Lastly I have updated the paper implementation to check against the site
API rather than against jenkins.
2019-05-27 04:13:41 -05:00

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From 845d0f511164ef67e365f79a2cf62af979e1cd33 Mon Sep 17 00:00:00 2001
From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Date: Wed, 12 Sep 2018 18:53:55 +0300
Subject: [PATCH] Implement an API for CanPlaceOn and CanDestroy NBT values
diff --git a/src/main/java/net/minecraft/server/ArgumentBlock.java b/src/main/java/net/minecraft/server/ArgumentBlock.java
index 3a215dea4..ea93452e6 100644
--- a/src/main/java/net/minecraft/server/ArgumentBlock.java
+++ b/src/main/java/net/minecraft/server/ArgumentBlock.java
@@ -43,7 +43,7 @@ public class ArgumentBlock {
private final boolean j;
private final Map<IBlockState<?>, Comparable<?>> k = Maps.newLinkedHashMap(); // CraftBukkit - stable
private final Map<String, String> l = Maps.newHashMap();
- private MinecraftKey m = new MinecraftKey("");
+ private MinecraftKey m = new MinecraftKey(""); public MinecraftKey getBlockKey() { return this.m; } // Paper - OBFHELPER
private BlockStateList<Block, IBlockData> n;
private IBlockData o;
@Nullable
@@ -72,11 +72,13 @@ public class ArgumentBlock {
return this.p;
}
+ public @Nullable MinecraftKey getTagKey() { return d(); } // Paper - OBFHELPER
@Nullable
public MinecraftKey d() {
return this.q;
}
+ public ArgumentBlock parse(boolean parseTile) throws CommandSyntaxException { return this.a(parseTile); } // Paper - OBFHELPER
public ArgumentBlock a(boolean flag) throws CommandSyntaxException {
this.s = this::l;
if (this.i.canRead() && this.i.peek() == '#') {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index a8b267487..c175c20a9 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -86,6 +86,12 @@ import org.bukkit.persistence.PersistentDataContainer;
import static org.spigotmc.ValidateUtils.*;
// Spigot end
+// Paper start
+import com.destroystokyo.paper.Namespaced;
+import com.destroystokyo.paper.NamespacedTag;
+import java.util.Collections;
+// Paper end
+
/**
* Children must include the following:
*
@@ -266,6 +272,10 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
@Specific(Specific.To.NBT)
static final ItemMetaKey BLOCK_DATA = new ItemMetaKey("BlockStateTag");
static final ItemMetaKey BUKKIT_CUSTOM_TAG = new ItemMetaKey("PublicBukkitValues");
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ static final ItemMetaKey CAN_DESTROY = new ItemMetaKey("CanDestroy");
+ static final ItemMetaKey CAN_PLACE_ON = new ItemMetaKey("CanPlaceOn");
+ // Paper end
private IChatBaseComponent displayName;
private IChatBaseComponent locName;
@@ -278,6 +288,10 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
private int hideFlag;
private boolean unbreakable;
private int damage;
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ private Set<Namespaced> placeableKeys = Sets.newHashSet();
+ private Set<Namespaced> destroyableKeys = Sets.newHashSet();
+ // Paper end
private static final Set<String> HANDLED_TAGS = Sets.newHashSet();
private static final CraftPersistentDataTypeRegistry DATA_TYPE_REGISTRY = new CraftPersistentDataTypeRegistry();
@@ -315,6 +329,15 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
this.hideFlag = meta.hideFlag;
this.unbreakable = meta.unbreakable;
this.damage = meta.damage;
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ if (meta.hasPlaceableKeys()) {
+ this.placeableKeys = new java.util.HashSet<>(meta.placeableKeys);
+ }
+
+ if (meta.hasDestroyableKeys()) {
+ this.destroyableKeys = new java.util.HashSet<>(meta.destroyableKeys);
+ }
+ // Paper end
this.unhandledTags.putAll(meta.unhandledTags);
this.persistentDataContainer.putAll(meta.persistentDataContainer.getRaw());
@@ -391,6 +414,31 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
persistentDataContainer.put(key, compound.get(key));
}
}
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ if (tag.hasKey(CAN_DESTROY.NBT)) {
+ NBTTagList list = tag.getList(CAN_DESTROY.NBT, CraftMagicNumbers.NBT.TAG_STRING);
+ for (int i = 0; i < list.size(); i++) {
+ Namespaced namespaced = this.deserializeNamespaced(list.getString(i));
+ if (namespaced == null) {
+ continue;
+ }
+
+ this.destroyableKeys.add(namespaced);
+ }
+ }
+
+ if (tag.hasKey(CAN_PLACE_ON.NBT)) {
+ NBTTagList list = tag.getList(CAN_PLACE_ON.NBT, CraftMagicNumbers.NBT.TAG_STRING);
+ for (int i = 0; i < list.size(); i++) {
+ Namespaced namespaced = this.deserializeNamespaced(list.getString(i));
+ if (namespaced == null) {
+ continue;
+ }
+
+ this.placeableKeys.add(namespaced);
+ }
+ }
+ // Paper end
Set<String> keys = tag.getKeys();
for (String key : keys) {
@@ -528,6 +576,34 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
setDamage(damage);
}
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ Iterable<?> canPlaceOnSerialized = SerializableMeta.getObject(Iterable.class, map, CAN_PLACE_ON.BUKKIT, true);
+ if (canPlaceOnSerialized != null) {
+ for (Object canPlaceOnElement : canPlaceOnSerialized) {
+ String canPlaceOnRaw = (String) canPlaceOnElement;
+ Namespaced value = this.deserializeNamespaced(canPlaceOnRaw);
+ if (value == null) {
+ continue;
+ }
+
+ this.placeableKeys.add(value);
+ }
+ }
+
+ Iterable<?> canDestroySerialized = SerializableMeta.getObject(Iterable.class, map, CAN_DESTROY.BUKKIT, true);
+ if (canDestroySerialized != null) {
+ for (Object canDestroyElement : canDestroySerialized) {
+ String canDestroyRaw = (String) canDestroyElement;
+ Namespaced value = this.deserializeNamespaced(canDestroyRaw);
+ if (value == null) {
+ continue;
+ }
+
+ this.destroyableKeys.add(value);
+ }
+ }
+ // Paper end
+
String internal = SerializableMeta.getString(map, "internal", true);
if (internal != null) {
ByteArrayInputStream buf = new ByteArrayInputStream(Base64.decodeBase64(internal));
@@ -656,6 +732,23 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
if (hasDamage()) {
itemTag.setInt(DAMAGE.NBT, damage);
}
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ if (hasPlaceableKeys()) {
+ List<String> items = this.placeableKeys.stream()
+ .map(this::serializeNamespaced)
+ .collect(java.util.stream.Collectors.toList());
+
+ itemTag.set(CAN_PLACE_ON.NBT, createNonComponentStringList(items));
+ }
+
+ if (hasDestroyableKeys()) {
+ List<String> items = this.destroyableKeys.stream()
+ .map(this::serializeNamespaced)
+ .collect(java.util.stream.Collectors.toList());
+
+ itemTag.set(CAN_DESTROY.NBT, createNonComponentStringList(items));
+ }
+ // Paper end
for (Map.Entry<String, NBTBase> e : unhandledTags.entrySet()) {
itemTag.set(e.getKey(), e.getValue());
@@ -672,6 +765,21 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
}
}
+ // Paper start
+ static NBTTagList createNonComponentStringList(List<String> list) {
+ if (list == null || list.isEmpty()) {
+ return null;
+ }
+
+ NBTTagList tagList = new NBTTagList();
+ for (String value : list) {
+ tagList.add(new NBTTagString(value));
+ }
+
+ return tagList;
+ }
+ // Paper end
+
NBTTagList createStringList(List<IChatBaseComponent> list) {
if (list == null || list.isEmpty()) {
return null;
@@ -754,7 +862,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
@Overridden
boolean isEmpty() {
- return !(hasDisplayName() || hasLocalizedName() || hasEnchants() || hasLore() || hasCustomModelData() || hasBlockData() || hasRepairCost() || !unhandledTags.isEmpty() || !persistentDataContainer.isEmpty() || hideFlag != 0 || isUnbreakable() || hasDamage() || hasAttributeModifiers());
+ return !(hasDisplayName() || hasLocalizedName() || hasEnchants() || hasLore() || hasCustomModelData() || hasBlockData() || hasRepairCost() || !unhandledTags.isEmpty() || !persistentDataContainer.isEmpty() || hideFlag != 0 || isUnbreakable() || hasDamage() || hasAttributeModifiers() || hasPlaceableKeys() || hasDestroyableKeys()); // Paper - Implement an API for CanPlaceOn and CanDestroy NBT values
}
@Override
@@ -1151,7 +1259,11 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
&& (this.hideFlag == that.hideFlag)
&& (this.isUnbreakable() == that.isUnbreakable())
&& (this.hasDamage() ? that.hasDamage() && this.damage == that.damage : !that.hasDamage())
- && (this.version == that.version);
+ && (this.version == that.version)
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ && (this.hasPlaceableKeys() ? that.hasPlaceableKeys() && this.placeableKeys.equals(that.placeableKeys) : !that.hasPlaceableKeys())
+ && (this.hasDestroyableKeys() ? that.hasDestroyableKeys() && this.destroyableKeys.equals(that.destroyableKeys) : !that.hasDestroyableKeys());
+ // Paper end
}
/**
@@ -1186,6 +1298,10 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
hash = 61 * hash + (hasDamage() ? this.damage : 0);
hash = 61 * hash + (hasAttributeModifiers() ? this.attributeModifiers.hashCode() : 0);
hash = 61 * hash + version;
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ hash = 61 * hash + (hasPlaceableKeys() ? this.placeableKeys.hashCode() : 0);
+ hash = 61 * hash + (hasDestroyableKeys() ? this.destroyableKeys.hashCode() : 0);
+ // Paper end
return hash;
}
@@ -1209,6 +1325,14 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
clone.unbreakable = this.unbreakable;
clone.damage = this.damage;
clone.version = this.version;
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ if (this.placeableKeys != null) {
+ clone.placeableKeys = Sets.newHashSet(this.placeableKeys);
+ }
+ if (this.destroyableKeys != null) {
+ clone.destroyableKeys = Sets.newHashSet(this.destroyableKeys);
+ }
+ // Paper end
return clone;
} catch (CloneNotSupportedException e) {
throw new Error(e);
@@ -1266,6 +1390,24 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
builder.put(DAMAGE.BUKKIT, damage);
}
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ if (hasPlaceableKeys()) {
+ List<String> cerealPlaceable = this.placeableKeys.stream()
+ .map(this::serializeNamespaced)
+ .collect(java.util.stream.Collectors.toList());
+
+ builder.put(CAN_PLACE_ON.BUKKIT, cerealPlaceable);
+ }
+
+ if (hasDestroyableKeys()) {
+ List<String> cerealDestroyable = this.destroyableKeys.stream()
+ .map(this::serializeNamespaced)
+ .collect(java.util.stream.Collectors.toList());
+
+ builder.put(CAN_DESTROY.BUKKIT, cerealDestroyable);
+ }
+ // Paper end
+
final Map<String, NBTBase> internalTags = new HashMap<String, NBTBase>(unhandledTags);
serializeInternal(internalTags);
if (!internalTags.isEmpty()) {
@@ -1428,7 +1570,9 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
CraftMetaArmorStand.NO_BASE_PLATE.NBT,
CraftMetaArmorStand.SHOW_ARMS.NBT,
CraftMetaArmorStand.SMALL.NBT,
- CraftMetaArmorStand.MARKER.NBT
+ CraftMetaArmorStand.MARKER.NBT,
+ CAN_DESTROY.NBT,
+ CAN_PLACE_ON.NBT
// Paper end
));
}
@@ -1475,4 +1619,147 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
return spigot;
}
// Spigot end
+ // Paper start - Implement an API for CanPlaceOn and CanDestroy NBT values
+ @Override
+ @SuppressWarnings("deprecation")
+ public Set<Material> getCanDestroy() {
+ return !hasDestroyableKeys() ? Collections.emptySet() : legacyGetMatsFromKeys(this.destroyableKeys);
+ }
+
+ @Override
+ @SuppressWarnings("deprecation")
+ public void setCanDestroy(Set<Material> canDestroy) {
+ Validate.notNull(canDestroy, "Cannot replace with null set!");
+ legacyClearAndReplaceKeys(this.destroyableKeys, canDestroy);
+ }
+
+ @Override
+ @SuppressWarnings("deprecation")
+ public Set<Material> getCanPlaceOn() {
+ return !hasPlaceableKeys() ? Collections.emptySet() : legacyGetMatsFromKeys(this.placeableKeys);
+ }
+
+ @Override
+ @SuppressWarnings("deprecation")
+ public void setCanPlaceOn(Set<Material> canPlaceOn) {
+ Validate.notNull(canPlaceOn, "Cannot replace with null set!");
+ legacyClearAndReplaceKeys(this.placeableKeys, canPlaceOn);
+ }
+
+ @Override
+ public Set<Namespaced> getDestroyableKeys() {
+ return !hasDestroyableKeys() ? Collections.emptySet() : Sets.newHashSet(this.destroyableKeys);
+ }
+
+ @Override
+ public void setDestroyableKeys(Collection<Namespaced> canDestroy) {
+ Validate.notNull(canDestroy, "Cannot replace with null collection!");
+ Validate.isTrue(ofAcceptableType(canDestroy), "Can only use NamespacedKey or NamespacedTag objects!");
+ this.destroyableKeys.clear();
+ this.destroyableKeys.addAll(canDestroy);
+ }
+
+ @Override
+ public Set<Namespaced> getPlaceableKeys() {
+ return !hasPlaceableKeys() ? Collections.emptySet() : Sets.newHashSet(this.placeableKeys);
+ }
+
+ @Override
+ public void setPlaceableKeys(Collection<Namespaced> canPlaceOn) {
+ Validate.notNull(canPlaceOn, "Cannot replace with null collection!");
+ Validate.isTrue(ofAcceptableType(canPlaceOn), "Can only use NamespacedKey or NamespacedTag objects!");
+ this.placeableKeys.clear();
+ this.placeableKeys.addAll(canPlaceOn);
+ }
+
+ @Override
+ public boolean hasPlaceableKeys() {
+ return this.placeableKeys != null && !this.placeableKeys.isEmpty();
+ }
+
+ @Override
+ public boolean hasDestroyableKeys() {
+ return this.destroyableKeys != null && !this.destroyableKeys.isEmpty();
+ }
+
+ @Deprecated
+ private void legacyClearAndReplaceKeys(Collection<Namespaced> toUpdate, Collection<Material> beingSet) {
+ if (beingSet.stream().anyMatch(Material::isLegacy)) {
+ throw new IllegalArgumentException("Set must not contain any legacy materials!");
+ }
+
+ toUpdate.clear();
+ toUpdate.addAll(beingSet.stream().map(Material::getKey).collect(java.util.stream.Collectors.toSet()));
+ }
+
+ @Deprecated
+ private Set<Material> legacyGetMatsFromKeys(Collection<Namespaced> names) {
+ Set<Material> mats = Sets.newHashSet();
+ for (Namespaced key : names) {
+ if (!(key instanceof org.bukkit.NamespacedKey)) {
+ continue;
+ }
+
+ Material material = Material.matchMaterial(key.toString(), false);
+ if (material != null) {
+ mats.add(material);
+ }
+ }
+
+ return mats;
+ }
+
+ private @Nullable Namespaced deserializeNamespaced(String raw) {
+ boolean isTag = raw.codePointAt(0) == '#';
+ net.minecraft.server.ArgumentBlock blockParser = new net.minecraft.server.ArgumentBlock(new com.mojang.brigadier.StringReader(raw), true);
+ try {
+ blockParser = blockParser.parse(false);
+ } catch (com.mojang.brigadier.exceptions.CommandSyntaxException e) {
+ e.printStackTrace();
+ return null;
+ }
+
+ net.minecraft.server.MinecraftKey key;
+ if (isTag) {
+ key = blockParser.getTagKey();
+ } else {
+ key = blockParser.getBlockKey();
+ }
+
+ if (key == null) {
+ return null;
+ }
+
+ // don't DC the player if something slips through somehow
+ Namespaced resource = null;
+ try {
+ if (isTag) {
+ resource = new NamespacedTag(key.b(), key.getKey());
+ } else {
+ resource = CraftNamespacedKey.fromMinecraft(key);
+ }
+ } catch (IllegalArgumentException ex) {
+ org.bukkit.Bukkit.getLogger().warning("Namespaced resource does not validate: " + key.toString());
+ ex.printStackTrace();
+ }
+
+ return resource;
+ }
+
+ private @Nonnull String serializeNamespaced(Namespaced resource) {
+ return resource.toString();
+ }
+
+ // not a fan of this
+ private boolean ofAcceptableType(Collection<Namespaced> namespacedResources) {
+ boolean valid = true;
+ for (Namespaced resource : namespacedResources) {
+ if (valid && !(resource instanceof org.bukkit.NamespacedKey || resource instanceof com.destroystokyo.paper.NamespacedTag)) {
+ valid = false;
+ }
+ }
+
+ return valid;
+ }
+ // Paper end
}
--
2.21.0
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