136 lines
5.4 KiB
Diff
136 lines
5.4 KiB
Diff
From d60f08ef39ec6643ebfe0664bd1071a5c0219a8b 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/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
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index 013745f82..9f31f071b 100644
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--- a/src/main/java/net/minecraft/server/TileEntity.java
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+++ b/src/main/java/net/minecraft/server/TileEntity.java
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@@ -236,7 +236,12 @@ public abstract class TileEntity implements KeyedObject { // Paper
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}
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// CraftBukkit start - add method
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+ // Paper start
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public InventoryHolder getOwner() {
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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 (world == null) return null;
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// Spigot start
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org.bukkit.block.Block block = world.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ());
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@@ -245,7 +250,7 @@ public abstract class TileEntity implements KeyedObject { // Paper
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return null;
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}
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// Spigot end
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- org.bukkit.block.BlockState state = block.getState();
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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 a36876e49..d31447ccd 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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@@ -312,6 +312,20 @@ public class CraftBlock implements Block {
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@Override
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public BlockState getState() {
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+ // Paper start - allow disabling the use of snapshots
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+ return getState(true);
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+ }
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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 getState0();
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+ } finally {
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+ CraftBlockEntityState.DISABLE_SNAPSHOT = prev;
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+ }
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+ }
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+ public BlockState getState0() {
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+ // Paper end
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Material material = getType();
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switch (material) {
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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 d8b3d2f3d..7cb4c3e50 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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@@ -27,20 +27,40 @@ public class CraftBlockEntityState<T extends TileEntity> extends CraftBlockState
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this.tileEntity = tileEntityClass.cast(world.getHandle().getTileEntity(this.getPosition()));
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Preconditions.checkState(this.tileEntity != null, "Tile is null, asynchronous access? " + block);
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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(this.tileEntity, world.getHandle());
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+ }
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// copy tile entity data:
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- this.snapshot = this.createSnapshot(tileEntity, world.getHandle());
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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 final boolean snapshotDisabled; // Paper
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+ public static boolean DISABLE_SNAPSHOT = false; // Paper
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+
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public CraftBlockEntityState(Material material, T tileEntity) {
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super(material);
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this.tileEntityClass = (Class<T>) tileEntity.getClass();
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this.tileEntity = tileEntity;
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-
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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(this.tileEntity, null);
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+ }
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// copy tile entity data:
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- this.snapshot = this.createSnapshot(tileEntity, null);
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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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private T createSnapshot(T tileEntity, World world) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java b/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
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index 15022ada0..af15656cc 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
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@@ -17,10 +17,12 @@ public class CraftSign extends CraftBlockEntityState<TileEntitySign> implements
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public CraftSign(final Block block) {
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super(block, TileEntitySign.class);
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+ if (lines == null) { lines = new String[]{"", "", "", ""}; } // Paper
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}
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public CraftSign(final Material material, final TileEntitySign te) {
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super(material, te);
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+ if (lines == null) { lines = new String[]{"", "", "", ""}; } // Paper
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}
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@Override
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--
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2.21.0
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