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6f2009754d
At the time this was re-added, there was concern around how the JIT would handle the system property that enabled it. This shouldn't be a problem, and as such we no longer need to block access to it. The Vanilla Method Profiler will not provide much to most users however there is no harm in providing it as an option. For most users, the recommended and supported method for determining performance issues with Paper will continue to be Timings.
106 lines
4.0 KiB
Diff
106 lines
4.0 KiB
Diff
From 8cd8c32f4d0e94e0c1d4591c3cbb28329d54e1dd 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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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 537e4b15..8e2d55a7 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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@@ -264,7 +264,12 @@ public abstract class TileEntity {
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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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@@ -273,7 +278,7 @@ public abstract class TileEntity {
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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 46670c34..a9d3f12b 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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@@ -260,7 +260,22 @@ public class CraftBlock implements Block {
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}
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}
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+
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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 22dcaea7..3b5a90c3 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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@@ -22,17 +22,34 @@ public class CraftBlockEntityState<T extends TileEntity> extends CraftBlockState
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CraftWorld world = (CraftWorld) this.getWorld();
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this.tileEntity = tileEntityClass.cast(world.getTileEntityAt(this.getX(), this.getY(), this.getZ()));
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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 = tileEntity;
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+ return;
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+ }
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+ // Paper end
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// copy tile entity data:
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this.snapshot = this.createSnapshot(tileEntity);
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if(this.snapshot != null) // Paper - avoid NPE during load
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this.load(snapshot);
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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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+ // Paper start
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+ this.snapshotDisabled = DISABLE_SNAPSHOT;
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+ if (DISABLE_SNAPSHOT) {
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+ this.snapshot = tileEntity;
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+ return;
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+ }
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+ // Paper end
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// copy tile entity data:
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this.snapshot = this.createSnapshot(tileEntity);
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--
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2.14.3
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