diff options
Diffstat (limited to 'patches/server/0160-API-to-get-a-BlockState-without-a-snapshot.patch')
-rw-r--r-- | patches/server/0160-API-to-get-a-BlockState-without-a-snapshot.patch | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/patches/server/0160-API-to-get-a-BlockState-without-a-snapshot.patch b/patches/server/0160-API-to-get-a-BlockState-without-a-snapshot.patch new file mode 100644 index 0000000000..c7fd071747 --- /dev/null +++ b/patches/server/0160-API-to-get-a-BlockState-without-a-snapshot.patch @@ -0,0 +1,165 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Aikar <[email protected]> +Date: Mon, 6 Nov 2017 21:08:22 -0500 +Subject: [PATCH] API to get a BlockState without a snapshot + +This allows you to get a BlockState without creating a snapshot, operating +on the real tile entity. + +This is useful for where performance is needed + +also Avoid NPE during CraftBlockEntityState load if could not get TE + +If Tile Entity was null, correct Sign to return empty lines instead of null + +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 +index d20f71a2098b327423cbdbbc096aa9e358cb809d..7147484eefad44ba67db03b6ef2090a596e278de 100644 +--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java ++++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java +@@ -58,6 +58,7 @@ public abstract class BlockEntity { + this.type = type; + this.worldPosition = pos.immutable(); + this.blockState = state; ++ this.persistentDataContainer = new CraftPersistentDataContainer(DATA_TYPE_REGISTRY); // Paper - always init + } + + public static BlockPos getPosFromTag(CompoundTag nbt) { +@@ -79,7 +80,7 @@ public abstract class BlockEntity { + + // CraftBukkit start - read container + protected void loadAdditional(CompoundTag nbt, HolderLookup.Provider registryLookup) { +- this.persistentDataContainer = new CraftPersistentDataContainer(BlockEntity.DATA_TYPE_REGISTRY); ++ this.persistentDataContainer.clear(); // Paper - clear instead of init + + net.minecraft.nbt.Tag persistentDataTag = nbt.get("PublicBukkitValues"); + if (persistentDataTag instanceof CompoundTag) { +@@ -363,8 +364,15 @@ public abstract class BlockEntity { + + // CraftBukkit start - add method + public InventoryHolder getOwner() { ++ // Paper start ++ return getOwner(true); ++ } ++ public InventoryHolder getOwner(boolean useSnapshot) { ++ // Paper end + if (this.level == null) return null; +- org.bukkit.block.BlockState state = this.level.getWorld().getBlockAt(this.worldPosition.getX(), this.worldPosition.getY(), this.worldPosition.getZ()).getState(); ++ org.bukkit.block.Block block = this.level.getWorld().getBlockAt(this.worldPosition.getX(), this.worldPosition.getY(), this.worldPosition.getZ()); ++ if (block.getType() == org.bukkit.Material.AIR) return null; ++ org.bukkit.block.BlockState state = block.getState(useSnapshot); // Paper + if (state instanceof InventoryHolder) return (InventoryHolder) state; + return null; + } +diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java +index a1c1a101aa424e74309f6f4c0a53a6a8db5df441..013298c424025cd88f15d61e50d196f70fa4c58b 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java +@@ -328,6 +328,13 @@ public class CraftBlock implements Block { + return CraftBlockStates.getBlockState(this); + } + ++ // Paper start ++ @Override ++ public BlockState getState(boolean useSnapshot) { ++ return CraftBlockStates.getBlockState(this, useSnapshot); ++ } ++ // Paper end ++ + @Override + public Biome getBiome() { + return this.getWorld().getBiome(this.getX(), this.getY(), this.getZ()); +diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java +index f8b5595dc92036cc1889c0835f69389c93501fa7..a7bb7d263cb981fcf6dd35a3b32270e89e96945a 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java +@@ -24,15 +24,26 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat + + private final T tileEntity; + private final T snapshot; ++ public boolean snapshotDisabled; // Paper ++ public static boolean DISABLE_SNAPSHOT = false; // Paper + + public CraftBlockEntityState(World world, T tileEntity) { + super(world, tileEntity.getBlockPos(), tileEntity.getBlockState()); + + this.tileEntity = tileEntity; + ++ // Paper start ++ this.snapshotDisabled = DISABLE_SNAPSHOT; ++ if (DISABLE_SNAPSHOT) { ++ this.snapshot = this.tileEntity; ++ } else { ++ this.snapshot = this.createSnapshot(tileEntity); ++ } + // copy tile entity data: +- this.snapshot = this.createSnapshot(tileEntity); +- this.load(this.snapshot); ++ if (this.snapshot != null) { ++ this.load(this.snapshot); ++ } ++ // Paper end + } + + protected CraftBlockEntityState(CraftBlockEntityState<T> state, Location location) { +@@ -169,4 +180,11 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat + public CraftBlockEntityState<T> copy(Location location) { + return new CraftBlockEntityState<>(this, location); + } ++ ++ // Paper start ++ @Override ++ public boolean isSnapshot() { ++ return !this.snapshotDisabled; ++ } ++ // Paper end + } +diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java +index 0173a8eac2153d889536e48970f967040490e4b7..83ac5fc6cbbd249b5865ab203b150f53f01c9f05 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java +@@ -387,15 +387,30 @@ public final class CraftBlockStates { + } + + public static BlockState getBlockState(Block block) { ++ // Paper start ++ return CraftBlockStates.getBlockState(block, true); ++ } ++ public static BlockState getBlockState(Block block, boolean useSnapshot) { ++ // Paper end + Preconditions.checkNotNull(block, "block is null"); + CraftBlock craftBlock = (CraftBlock) block; + CraftWorld world = (CraftWorld) block.getWorld(); + BlockPos blockPosition = craftBlock.getPosition(); + net.minecraft.world.level.block.state.BlockState blockData = craftBlock.getNMS(); + BlockEntity tileEntity = craftBlock.getHandle().getBlockEntity(blockPosition); ++ // Paper start - block state snapshots ++ boolean prev = CraftBlockEntityState.DISABLE_SNAPSHOT; ++ CraftBlockEntityState.DISABLE_SNAPSHOT = !useSnapshot; ++ try { ++ // Paper end + CraftBlockState blockState = CraftBlockStates.getBlockState(world, blockPosition, blockData, tileEntity); + blockState.setWorldHandle(craftBlock.getHandle()); // Inject the block's generator access + return blockState; ++ // Paper start ++ } finally { ++ CraftBlockEntityState.DISABLE_SNAPSHOT = prev; ++ } ++ // Paper end + } + + @Deprecated +diff --git a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java +index dbb9a5b2f8d3bc0b13e0f56f6e8a0d9a7b761327..3001bb0e3d4af9b16645a0136093db594b89ab01 100644 +--- a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java ++++ b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java +@@ -177,4 +177,10 @@ public class CraftPersistentDataContainer implements PersistentDataContainer { + public String serialize() { + return CraftNBTTagConfigSerializer.serialize(this.toTagCompound()); + } ++ ++ // Paper start ++ public void clear() { ++ this.customDataTags.clear(); ++ } ++ // Paper end + } |