diff options
Diffstat (limited to 'patches/server/0167-API-to-get-a-BlockState-without-a-snapshot.patch')
-rw-r--r-- | patches/server/0167-API-to-get-a-BlockState-without-a-snapshot.patch | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/patches/server/0167-API-to-get-a-BlockState-without-a-snapshot.patch b/patches/server/0167-API-to-get-a-BlockState-without-a-snapshot.patch new file mode 100644 index 0000000000..c2d8befb3f --- /dev/null +++ b/patches/server/0167-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 148e79ae4e24fe16dbbb17550c3f258d4362c266..06beb18e5e1950aeb6cb427876fcc4c5ea95adb2 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 +@@ -45,6 +45,7 @@ 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) { +@@ -66,7 +67,7 @@ public abstract class BlockEntity { + + // CraftBukkit start - read container + public void load(CompoundTag nbt) { +- 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) { +@@ -240,8 +241,15 @@ 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 52fc42050d5df0882586c8f4bb4890ef1dbf979e..ba8f9ffed49bf377be8b37532d4f2bdcb8c44d82 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java +@@ -329,6 +329,13 @@ 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 7629a51ec284cab0db7e9238027d6acfa4f3083c..a76cce199acdcecfdd8b998ec08974c2ed0751cf 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java +@@ -10,15 +10,26 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat + + private final T tileEntity; + private final T snapshot; ++ public final 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(snapshot); ++ if (this.snapshot != null) { ++ this.load(this.snapshot); ++ } ++ // Paper end + } + + public void refreshSnapshot() { +@@ -105,4 +116,11 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat + public PersistentDataContainer getPersistentDataContainer() { + return this.getSnapshot().persistentDataContainer; + } ++ ++ // 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 521d981e72955b1e2c96427882e336b034456678..e609cfeaf5aa6807f57360dde9b0dccf40a23eb1 100644 +--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java ++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java +@@ -336,15 +336,30 @@ 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 + } + + public static BlockState getBlockState(Material material, @Nullable CompoundTag blockEntityTag) { +diff --git a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java +index 3fc3907172f12ee24ea70bd6a1ffbbc6084ed971..2c59f09a9261a1690951161fd856a5848d9885b7 100644 +--- a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java ++++ b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java +@@ -156,4 +156,10 @@ public class CraftPersistentDataContainer implements PersistentDataContainer { + public Map<String, Object> serialize() { + return (Map<String, Object>) CraftNBTTagConfigSerializer.serialize(this.toTagCompound()); + } ++ ++ // Paper start ++ public void clear() { ++ this.customDataTags.clear(); ++ } ++ // Paper end + } |