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https://github.com/PaperMC/Paper.git
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166 lines
7.7 KiB
Diff
166 lines
7.7 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 63acd109a79ed752a05df3d4f1b99309297c2055..d156f7cc71050f13b2feca00c52ca6b64572b60e 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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@@ -44,6 +44,7 @@ public abstract class BlockEntity {
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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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@@ -65,7 +66,7 @@ public abstract class BlockEntity {
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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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@@ -239,8 +240,15 @@ public abstract class BlockEntity {
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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 e5750b2459e5a7513b34d644f672f3e06181172d..3205d86a63f8fcf3ccd13c6be0e0eefc27beb62a 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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@@ -332,6 +332,13 @@ 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 f698424feb30a8579e2ca581c48be08edf5bbf59..84550b6e4eaf62806a8ad83656d4051b09c9c97d 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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@@ -17,15 +17,26 @@ 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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@@ -118,4 +129,11 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat
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T vanillaTileEntitiy = (T) BlockEntity.loadStatic(CraftLocation.toBlockPosition(location), getHandle(), this.getSnapshotNBT());
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return ClientboundBlockEntityDataPacket.create(vanillaTileEntitiy);
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}
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+
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+ // Paper start
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+ @Override
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+ public boolean isSnapshot() {
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+ return !this.snapshotDisabled;
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+ }
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+ // Paper end
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}
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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 a69a03a7954b03a0aeca7a74d89756dd38ca6faf..17e1131c79ad140c0803a914621ce7924f0f2a6d 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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@@ -379,15 +379,30 @@ 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 6c559b0d7b3d8b95276d16a6af4975fd44de3334..a94389eebe51bb368f759b3f99f0b9ed08ae2bdd 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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