mirror of https://github.com/PaperMC/Paper.git
166 lines
7.6 KiB
Diff
166 lines
7.6 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 d116d427ed692a9ef7d65e06ebef18012ce22aab..6e24673a793017ee857cf75bf9a74105ce76b773 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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@@ -58,6 +58,7 @@ 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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@@ -79,7 +80,7 @@ public abstract class BlockEntity {
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// CraftBukkit start - read container
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protected void loadAdditional(CompoundTag nbt, HolderLookup.Provider registryLookup) {
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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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@@ -363,8 +364,15 @@ 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 a1c1a101aa424e74309f6f4c0a53a6a8db5df441..013298c424025cd88f15d61e50d196f70fa4c58b 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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@@ -328,6 +328,13 @@ 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 f8b5595dc92036cc1889c0835f69389c93501fa7..a7bb7d263cb981fcf6dd35a3b32270e89e96945a 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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@@ -24,15 +24,26 @@ 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 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(this.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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protected CraftBlockEntityState(CraftBlockEntityState<T> state, Location location) {
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@@ -169,4 +180,11 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat
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public CraftBlockEntityState<T> copy(Location location) {
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return new CraftBlockEntityState<>(this, location);
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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 0173a8eac2153d889536e48970f967040490e4b7..83ac5fc6cbbd249b5865ab203b150f53f01c9f05 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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@@ -387,15 +387,30 @@ 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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@Deprecated
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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 dbb9a5b2f8d3bc0b13e0f56f6e8a0d9a7b761327..3001bb0e3d4af9b16645a0136093db594b89ab01 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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@@ -177,4 +177,10 @@ public class CraftPersistentDataContainer implements PersistentDataContainer {
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public String serialize() {
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return 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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