152 lines
7.8 KiB
Diff
152 lines
7.8 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 1e416b23a38458f16add472cea09b0ac5ac91869..6f61fd8224fb4094f38a851300ab55f94523c252 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 d8b9a8276204ad8a2f045af9fe94185dbf150bc6..3250559589eb4db7b3df828144cee81a19651842 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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@@ -317,7 +317,20 @@ public class CraftBlock implements Block {
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@Override
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public BlockState getState() {
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+ // Paper start
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+ return this.getState(true);
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+ }
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+
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+ @Override
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+ public BlockState getState(boolean useSnapshot) {
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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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return CraftBlockStates.getBlockState(this);
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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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@Override
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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..27f38af1eb71dda5dd175dcabc7a467ed772757a 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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@@ -6,19 +6,30 @@ import org.bukkit.World;
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import org.bukkit.block.TileState;
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import org.bukkit.persistence.PersistentDataContainer;
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-public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockState implements TileState {
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+public abstract class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockState implements TileState { // Paper - revert revert
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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..9d0934656bbd27df4b47b816540d02cfbfc80636 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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@@ -105,12 +105,10 @@ public final class CraftBlockStates {
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private static final BlockStateFactory<?> DEFAULT_FACTORY = new BlockStateFactory<CraftBlockState>(CraftBlockState.class) {
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@Override
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public CraftBlockState createBlockState(World world, BlockPos blockPosition, net.minecraft.world.level.block.state.BlockState blockData, BlockEntity tileEntity) {
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- // SPIGOT-6754, SPIGOT-6817: Restore previous behaviour for tile entities with removed blocks (loot generation post-destroy)
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- if (tileEntity != null) {
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- // block with unhandled TileEntity:
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- return new CraftBlockEntityState<>(world, tileEntity);
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- }
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- Preconditions.checkState(tileEntity == null, "Unexpected BlockState for %s", CraftMagicNumbers.getMaterial(blockData.getBlock()));
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+ // Paper start - revert revert
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+ // When a block is being destroyed, the TileEntity may temporarily still exist while the block's type has already been set to AIR. We ignore the TileEntity in this case.
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+ Preconditions.checkState(tileEntity == null || CraftMagicNumbers.getMaterial(blockData.getBlock()) == Material.AIR, "Unexpected BlockState for %s", CraftMagicNumbers.getMaterial(blockData.getBlock()));
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+ // Paper end
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return new CraftBlockState(world, blockPosition, blockData);
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}
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};
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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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