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API to get a BlockState without a snapshot

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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
This commit is contained in:
Aikar 2017-11-24 07:28:57 +00:00 committed by Shane Freeder
parent 1912d06613
commit 79f57aa18c
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GPG key ID: A3F61EA5A085289C
2 changed files with 138 additions and 0 deletions
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33
Spigot-API-Patches/0073-API-to-get-a-BlockState-without-a-snapshot.patch Normal file
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@ -0,0 +1,33 @@
From aae88baa26e12add72a7147db4840dcceb910663 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 6 Nov 2017 21:10:01 -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
diff --git a/src/main/java/org/bukkit/block/Block.java b/src/main/java/org/bukkit/block/Block.java
index 235c15bd..99603ac1 100644
--- a/src/main/java/org/bukkit/block/Block.java
+++ b/src/main/java/org/bukkit/block/Block.java
@@ -256,6 +256,15 @@ public interface Block extends Metadatable {
*/
BlockState getState();
+ // Paper start
+ /**
+ * @see {{@link #getState()}}, optionally disables use of snapshot, to operate on real block data
+ * @param useSnapshot
+ * @return
+ */
+ BlockState getState(boolean useSnapshot);
+ // Paper end
+
/**
* Returns the biome that this block resides in
*
--
2.15.0

105
Spigot-Server-Patches/0254-API-to-get-a-BlockState-without-a-snapshot.patch Normal file
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@ -0,0 +1,105 @@
From 78737392a6747edad926f8a1320536955124c5bc Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
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
diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
index 237f7e6fe..fe2df18df 100644
--- a/src/main/java/net/minecraft/server/TileEntity.java
+++ b/src/main/java/net/minecraft/server/TileEntity.java
@@ -266,7 +266,12 @@ public abstract class TileEntity {
}
// CraftBukkit start - add method
+ // Paper start
public InventoryHolder getOwner() {
+ return getOwner(true);
+ }
+ public InventoryHolder getOwner(boolean useSnapshot) {
+ // Paper end
if (world == null) return null;
// Spigot start
org.bukkit.block.Block block = world.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ());
@@ -275,7 +280,7 @@ public abstract class TileEntity {
return null;
}
// Spigot end
- org.bukkit.block.BlockState state = block.getState();
+ 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 ba1cdc18f..bea02c493 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
@@ -260,7 +260,22 @@ public class CraftBlock implements Block {
}
}
+
public BlockState getState() {
+ // Paper start - allow disabling the use of snapshots
+ return getState(true);
+ }
+ public BlockState getState(boolean useSnapshot) {
+ boolean prev = CraftBlockEntityState.DISABLE_SNAPSHOT;
+ CraftBlockEntityState.DISABLE_SNAPSHOT = !useSnapshot;
+ try {
+ return getState0();
+ } finally {
+ CraftBlockEntityState.DISABLE_SNAPSHOT = prev;
+ }
+ }
+ public BlockState getState0() {
+ // Paper end
Material material = getType();
switch (material) {
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
index 22dcaea72..3b5a90c39 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
@@ -22,17 +22,34 @@ public class CraftBlockEntityState<T extends TileEntity> extends CraftBlockState
CraftWorld world = (CraftWorld) this.getWorld();
this.tileEntity = tileEntityClass.cast(world.getTileEntityAt(this.getX(), this.getY(), this.getZ()));
+ // Paper start
+ this.snapshotDisabled = DISABLE_SNAPSHOT;
+ if (DISABLE_SNAPSHOT) {
+ this.snapshot = tileEntity;
+ return;
+ }
+ // Paper end
// copy tile entity data:
this.snapshot = this.createSnapshot(tileEntity);
if(this.snapshot != null) // Paper - avoid NPE during load
this.load(snapshot);
}
+ public final boolean snapshotDisabled; // Paper
+ public static boolean DISABLE_SNAPSHOT = false; // Paper
+
public CraftBlockEntityState(Material material, T tileEntity) {
super(material);
this.tileEntityClass = (Class<T>) tileEntity.getClass();
this.tileEntity = tileEntity;
+ // Paper start
+ this.snapshotDisabled = DISABLE_SNAPSHOT;
+ if (DISABLE_SNAPSHOT) {
+ this.snapshot = tileEntity;
+ return;
+ }
+ // Paper end
// copy tile entity data:
this.snapshot = this.createSnapshot(tileEntity);
--
2.15.0