154 lines
7.4 KiB
Diff
154 lines
7.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 6 Nov 2017 21:08:22 -0500
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Subject: [PATCH] API to get a BlockState without a snapshot
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This allows you to get a BlockState without creating a snapshot, operating
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on the real tile entity.
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This is useful for where performance is needed
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also Avoid NPE during CraftBlockEntityState load if could not get TE
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If Tile Entity was null, correct Sign to return empty lines instead of null
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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index 32a2fbf4a11a84d5a55e02d3ba21e6f4430379c0..a69bbc11b9e003aed1630a6f5cdbca521deb6ff5 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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@@ -45,6 +45,7 @@ public abstract class BlockEntity implements io.papermc.paper.util.KeyedObject {
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this.type = type;
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this.worldPosition = pos.immutable();
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this.blockState = state;
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+ this.persistentDataContainer = new CraftPersistentDataContainer(DATA_TYPE_REGISTRY); // Paper - always init
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}
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public static BlockPos getPosFromTag(CompoundTag nbt) {
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@@ -86,7 +87,7 @@ public abstract class BlockEntity implements io.papermc.paper.util.KeyedObject {
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// CraftBukkit start - read container
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public void load(CompoundTag nbt) {
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- this.persistentDataContainer = new CraftPersistentDataContainer(BlockEntity.DATA_TYPE_REGISTRY);
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+ this.persistentDataContainer.clear(); // Paper - clear instead of init
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net.minecraft.nbt.Tag persistentDataTag = nbt.get("PublicBukkitValues");
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if (persistentDataTag instanceof CompoundTag) {
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@@ -260,8 +261,15 @@ public abstract class BlockEntity implements io.papermc.paper.util.KeyedObject {
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// CraftBukkit start - add method
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public InventoryHolder getOwner() {
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+ // Paper start
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+ return getOwner(true);
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+ }
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+ public InventoryHolder getOwner(boolean useSnapshot) {
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+ // Paper end
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if (this.level == null) return null;
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- org.bukkit.block.BlockState state = this.level.getWorld().getBlockAt(this.worldPosition.getX(), this.worldPosition.getY(), this.worldPosition.getZ()).getState();
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+ org.bukkit.block.Block block = this.level.getWorld().getBlockAt(this.worldPosition.getX(), this.worldPosition.getY(), this.worldPosition.getZ());
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+ if (block.getType() == org.bukkit.Material.AIR) return null;
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+ org.bukkit.block.BlockState state = block.getState(useSnapshot); // Paper
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if (state instanceof InventoryHolder) return (InventoryHolder) state;
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return null;
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
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index f967388fa64aa9d4b2a390c86a2c98ac0fdd4523..7ce727c168a4c0fe6d7cd0bbaa8a4121adc96a90 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
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@@ -322,6 +322,13 @@ public class CraftBlock implements Block {
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return CraftBlockStates.getBlockState(this);
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}
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+ // Paper start
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+ @Override
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+ public BlockState getState(boolean useSnapshot) {
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+ return CraftBlockStates.getBlockState(this, useSnapshot);
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+ }
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+ // Paper end
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+
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@Override
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public Biome getBiome() {
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return this.getWorld().getBiome(this.getX(), this.getY(), this.getZ());
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
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index 7629a51ec284cab0db7e9238027d6acfa4f3083c..c2c0b4bfab64394e55f2832e37e49bccb7e955ab 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
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@@ -10,15 +10,26 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat
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private final T tileEntity;
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private final T snapshot;
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+ public final boolean snapshotDisabled; // Paper
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+ public static boolean DISABLE_SNAPSHOT = false; // Paper
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public CraftBlockEntityState(World world, T tileEntity) {
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super(world, tileEntity.getBlockPos(), tileEntity.getBlockState());
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this.tileEntity = tileEntity;
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+ // Paper start
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+ this.snapshotDisabled = DISABLE_SNAPSHOT;
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+ if (DISABLE_SNAPSHOT) {
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+ this.snapshot = this.tileEntity;
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+ } else {
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+ this.snapshot = this.createSnapshot(tileEntity);
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+ }
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// copy tile entity data:
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- this.snapshot = this.createSnapshot(tileEntity);
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- this.load(snapshot);
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+ if (this.snapshot != null) {
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+ this.load(this.snapshot);
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+ }
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+ // Paper end
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}
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public void refreshSnapshot() {
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
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index 51ea68c433c4d530f8404d3174c5a121ce808a96..93a8aeb5545c794ac425c35f8af52a443cd060ca 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
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@@ -324,15 +324,30 @@ public final class CraftBlockStates {
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}
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public static BlockState getBlockState(Block block) {
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+ // Paper start
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+ return CraftBlockStates.getBlockState(block, true);
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+ }
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+ public static BlockState getBlockState(Block block, boolean useSnapshot) {
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+ // Paper end
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Preconditions.checkNotNull(block, "block is null");
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CraftBlock craftBlock = (CraftBlock) block;
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CraftWorld world = (CraftWorld) block.getWorld();
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BlockPos blockPosition = craftBlock.getPosition();
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net.minecraft.world.level.block.state.BlockState blockData = craftBlock.getNMS();
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BlockEntity tileEntity = craftBlock.getHandle().getBlockEntity(blockPosition);
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+ // Paper start - block state snapshots
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+ boolean prev = CraftBlockEntityState.DISABLE_SNAPSHOT;
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+ CraftBlockEntityState.DISABLE_SNAPSHOT = !useSnapshot;
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+ try {
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+ // Paper end
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CraftBlockState blockState = CraftBlockStates.getBlockState(world, blockPosition, blockData, tileEntity);
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blockState.setWorldHandle(craftBlock.getHandle()); // Inject the block's generator access
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return blockState;
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+ // Paper start
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+ } finally {
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+ CraftBlockEntityState.DISABLE_SNAPSHOT = prev;
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+ }
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+ // Paper end
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}
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public static BlockState getBlockState(Material material, @Nullable CompoundTag blockEntityTag) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
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index 3fc3907172f12ee24ea70bd6a1ffbbc6084ed971..2c59f09a9261a1690951161fd856a5848d9885b7 100644
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--- a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
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@@ -156,4 +156,10 @@ public class CraftPersistentDataContainer implements PersistentDataContainer {
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public Map<String, Object> serialize() {
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return (Map<String, Object>) CraftNBTTagConfigSerializer.serialize(this.toTagCompound());
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}
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+
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+ // Paper start
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+ public void clear() {
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+ this.customDataTags.clear();
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+ }
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+ // Paper end
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}
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