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Improve random ticking behaviour - Fixes #3181

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This commit is contained in:
Spottedleaf
2020-04-19 06:07:57 -07:00
parent 5ea7f7c4e9
commit 0e3875914c
6 changed files with 63 additions and 111 deletions
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4
Spigot-Server-Patches/Ensure-Entity-is-never-double-registered.patch
View File

@@ -11,7 +11,7 @@ Vs behavior of non ticking of just overwriting state.
We will now simply log a warning when this happens instead of crashing the server.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 16f2e32d..9cb4e5a1 100644
index 16f2e32d23..9cb4e5a1e6 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
@@ -23,7 +23,7 @@ index 16f2e32d..9cb4e5a1 100644
private boolean locked = false;
@Override
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 9d35d650..d239afea 100644
index de24b487d2..e198b8c565 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -0,0 +0,0 @@ public class WorldServer extends World {

2
Spigot-Server-Patches/Fix-unregistering-entities-from-unloading-chunks.patch
View File

@@ -15,7 +15,7 @@ Combine that with a buggy detail of the previous implementation of
the Dupe UUID patch, then this was the likely source of the "Ghost entities"
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index d239afea..a9cb5245 100644
index e198b8c565..b3e1e3686b 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -0,0 +0,0 @@ public class WorldServer extends World {

4
Spigot-Server-Patches/Optimise-Chunk-getFluid.patch
View File

@@ -8,7 +8,7 @@ faster on its own, however removing the try catch makes it
easier to inline due to code size
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 92bb009b..719c6f3e 100644
index 8fc26aa4b8..8695845445 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
@@ -48,7 +48,7 @@ index 92bb009b..719c6f3e 100644
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index 8b28fb5e..426221f7 100644
index 3eaf893cdf..cda718bba0 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -0,0 +0,0 @@ public class ChunkSection {

10
Spigot-Server-Patches/Optimise-entity-hard-collision-checking.patch
View File

@@ -11,7 +11,7 @@ Less crammed entities are likely to show significantly less benefit.
Effectively, this patch optimises crammed entity situations.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 719c6f3e..d745eae4 100644
index 8695845445..32c342d313 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
@@ -88,7 +88,7 @@ index 719c6f3e..d745eae4 100644
}
if (entity instanceof EntityItem) {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 9cb4e5a1..96a47dd1 100644
index 9cb4e5a1e6..96a47dd1c2 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
@@ -133,7 +133,7 @@ index 9cb4e5a1..96a47dd1 100644
this.id = Entity.entityCount.incrementAndGet();
this.passengers = Lists.newArrayList();
diff --git a/src/main/java/net/minecraft/server/EntityEnderDragon.java b/src/main/java/net/minecraft/server/EntityEnderDragon.java
index af10fc36..2887cb14 100644
index af10fc36e0..2887cb14e4 100644
--- a/src/main/java/net/minecraft/server/EntityEnderDragon.java
+++ b/src/main/java/net/minecraft/server/EntityEnderDragon.java
@@ -0,0 +0,0 @@ public class EntityEnderDragon extends EntityInsentient implements IMonster {
@@ -145,7 +145,7 @@ index af10fc36..2887cb14 100644
return this.children;
}
diff --git a/src/main/java/net/minecraft/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
index 4157e50e..5135308f 100644
index 4157e50e4d..5135308fb6 100644
--- a/src/main/java/net/minecraft/server/IEntityAccess.java
+++ b/src/main/java/net/minecraft/server/IEntityAccess.java
@@ -0,0 +0,0 @@ public interface IEntityAccess {
@@ -178,7 +178,7 @@ index 4157e50e..5135308f 100644
return stream.filter(axisalignedbb1::c).map(VoxelShapes::a);
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 46e19d91..09b03aff 100644
index d530508b61..1a3c7c148b 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements GeneratorAccess, AutoCloseable {

150
Spigot-Server-Patches/Optimise-random-block-ticking.patch
View File

@@ -20,7 +20,7 @@ remains the same.
diff --git a/src/main/java/com/destroystokyo/paper/util/math/ThreadUnsafeRandom.java b/src/main/java/com/destroystokyo/paper/util/math/ThreadUnsafeRandom.java
new file mode 100644
index 00000000..3edc8e52
index 0000000000..3edc8e52e0
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/math/ThreadUnsafeRandom.java
@@ -0,0 +0,0 @@
@@ -71,7 +71,7 @@ index 00000000..3edc8e52
+ }
+}
diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index e29ec958..e40375b6 100644
index e29ec958b3..e40375b67a 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -0,0 +0,0 @@ public class Block implements IMaterial {
@@ -86,7 +86,7 @@ index e29ec958..e40375b6 100644
}
diff --git a/src/main/java/net/minecraft/server/BlockFluids.java b/src/main/java/net/minecraft/server/BlockFluids.java
index 6d351f09..a44f65f4 100644
index 6d351f0979..a44f65f40d 100644
--- a/src/main/java/net/minecraft/server/BlockFluids.java
+++ b/src/main/java/net/minecraft/server/BlockFluids.java
@@ -0,0 +0,0 @@ public class BlockFluids extends Block implements IFluidSource {
@@ -99,7 +99,7 @@ index 6d351f09..a44f65f4 100644
@Override
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index e76528f1..e650a2e4 100644
index e76528f199..e650a2e48d 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -0,0 +0,0 @@ public class BlockPosition extends BaseBlockPosition implements MinecraftSeriali
@@ -111,37 +111,9 @@ index e76528f1..e650a2e4 100644
return this.d(baseblockposition.getX(), baseblockposition.getY(), baseblockposition.getZ());
}
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 03c25eae..92bb009b 100644
index 29cfef1605..8fc26aa4b8 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
private final ChunkCoordIntPair loc; public final long coordinateKey; // Paper - cache coordinate key
private volatile boolean x;
+ final com.destroystokyo.paper.util.maplist.IBlockDataList tickingList = new com.destroystokyo.paper.util.maplist.IBlockDataList(); // Paper
+
public Chunk(World world, ChunkCoordIntPair chunkcoordintpair, BiomeStorage biomestorage) {
this(world, chunkcoordintpair, biomestorage, ChunkConverter.a, TickListEmpty.b(), TickListEmpty.b(), 0L, (ChunkSection[]) null, (Consumer) null);
}
@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
this.v = consumer;
if (achunksection != null) {
if (this.sections.length == achunksection.length) {
+ // Paper start - maintain a list of ticking blocks in a chunk
+ for (ChunkSection section : achunksection) {
+ if (section != null) {
+ section.chunk = this;
+ int offset = com.destroystokyo.paper.util.maplist.IBlockDataList.getLocationKey(0, section.yPos, 0);
+ for (it.unimi.dsi.fastutil.longs.LongIterator iterator = section.tickingList.getRawIterator(); iterator.hasNext();) {
+ long raw = iterator.nextLong();
+ this.tickingList.add(com.destroystokyo.paper.util.maplist.IBlockDataList.getLocationFromRaw(raw) + offset, com.destroystokyo.paper.util.maplist.IBlockDataList.getBlockDataFromRaw(raw));
+ }
+ }
+ }
+ // Paper end
System.arraycopy(achunksection, 0, this.sections, 0, this.sections.length);
} else {
Chunk.LOGGER.warn("Could not set level chunk sections, array length is {} instead of {}", achunksection.length, this.sections.length);
@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
this.entities.remove(entity); // Paper
}
@@ -154,7 +126,7 @@ index 03c25eae..92bb009b 100644
}
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index 4526527a..8b28fb5e 100644
index 4526527aca..3eaf893cdf 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -0,0 +0,0 @@ import javax.annotation.Nullable;
@@ -193,9 +165,6 @@ index 4526527a..8b28fb5e 100644
--this.tickingBlockCount;
+ // Paper start
+ this.tickingList.remove(i, j, k);
+ if (this.chunk != null) {
+ this.chunk.tickingList.remove(i, j + this.yPos, k);
+ }
+ // Paper end
}
}
@@ -206,9 +175,6 @@ index 4526527a..8b28fb5e 100644
++this.tickingBlockCount;
+ // Paper start
+ this.tickingList.add(i, j, k, iblockdata);
+ if (this.chunk != null) {
+ this.chunk.tickingList.add(i, j + this.yPos, k, iblockdata);
+ }
+ // Paper end
}
}
@@ -218,13 +184,6 @@ index 4526527a..8b28fb5e 100644
public void recalcBlockCounts() {
+ // Paper start
+ int offset = com.destroystokyo.paper.util.maplist.IBlockDataList.getLocationKey(0, this.yPos, 0);
+ if (this.chunk != null) {
+ for (it.unimi.dsi.fastutil.longs.LongIterator iterator = this.tickingList.getRawIterator(); iterator.hasNext();) {
+ long raw = iterator.nextLong();
+ this.chunk.tickingList.remove(com.destroystokyo.paper.util.maplist.IBlockDataList.getLocationFromRaw(raw) + offset);
+ }
+ }
+ this.tickingList.clear();
+ // Paper end
this.nonEmptyBlockCount = 0;
@@ -242,9 +201,6 @@ index 4526527a..8b28fb5e 100644
+ this.tickingBlockCount = (short) (this.tickingBlockCount + 1); // Paper
+ // Paper start
+ this.tickingList.add(location, iblockdata);
+ if (this.chunk != null) {
+ this.chunk.tickingList.add(location + offset, iblockdata);
+ }
+ // Paper end
}
}
@@ -259,7 +215,7 @@ index 4526527a..8b28fb5e 100644
}
diff --git a/src/main/java/net/minecraft/server/DataBits.java b/src/main/java/net/minecraft/server/DataBits.java
index f9680b68..a61cffa3 100644
index f9680b6830..a61cffa3f4 100644
--- a/src/main/java/net/minecraft/server/DataBits.java
+++ b/src/main/java/net/minecraft/server/DataBits.java
@@ -0,0 +0,0 @@ public class DataBits {
@@ -310,7 +266,7 @@ index f9680b68..a61cffa3 100644
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
index 44aed672..fa664897 100644
index 44aed67274..fa664897fb 100644
--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
@@ -0,0 +0,0 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
@@ -329,7 +285,7 @@ index 44aed672..fa664897 100644
public interface a<T> {
diff --git a/src/main/java/net/minecraft/server/EntityTurtle.java b/src/main/java/net/minecraft/server/EntityTurtle.java
index dd02cb34..b24a5100 100644
index dd02cb3485..b24a5100b4 100644
--- a/src/main/java/net/minecraft/server/EntityTurtle.java
+++ b/src/main/java/net/minecraft/server/EntityTurtle.java
@@ -0,0 +0,0 @@ public class EntityTurtle extends EntityAnimal {
@@ -342,7 +298,7 @@ index dd02cb34..b24a5100 100644
public final BlockPosition getHome() { return this.es(); } // Paper - OBFHELPER
diff --git a/src/main/java/net/minecraft/server/IBlockData.java b/src/main/java/net/minecraft/server/IBlockData.java
index de438816..e821c236 100644
index de43881653..e821c236b4 100644
--- a/src/main/java/net/minecraft/server/IBlockData.java
+++ b/src/main/java/net/minecraft/server/IBlockData.java
@@ -0,0 +0,0 @@ public class IBlockData extends BlockDataAbstract<Block, IBlockData> implements
@@ -395,7 +351,7 @@ index de438816..e821c236 100644
public final SoundEffectType getStepSound() { return this.r(); } // Paper - OBFHELPER
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 28b6c9a0..d554d4cf 100644
index 5036348abf..5e6481f115 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
@@ -420,21 +376,23 @@ index 28b6c9a0..d554d4cf 100644
public boolean isSavingDisabled() {
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 71f5e3ce..ed41c814 100644
index 62fabb7ad5..9a2b4fa7a2 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -0,0 +0,0 @@ public class WorldServer extends World {
});
}
- public void a(Chunk chunk, int i) {
+ // Paper start - optimise random block ticking
+ private final BlockPosition.MutableBlockPosition chunkTickMutablePosition = new BlockPosition.MutableBlockPosition();
+ private final com.destroystokyo.paper.util.math.ThreadUnsafeRandom randomTickRandom = new com.destroystokyo.paper.util.math.ThreadUnsafeRandom();
+ // Paper end
+
public void a(Chunk chunk, int i) {
+ public void a(Chunk chunk, int i) { final int randomTickSpeed = i; // Paper
ChunkCoordIntPair chunkcoordintpair = chunk.getPos();
boolean flag = this.isRaining();
int j = chunkcoordintpair.d();
@@ -0,0 +0,0 @@ public class WorldServer extends World {
GameProfilerFiller gameprofilerfiller = this.getMethodProfiler();
@@ -491,75 +449,69 @@ index 71f5e3ce..ed41c814 100644
- gameprofilerfiller.exitEnter("tickBlocks");
- timings.chunkTicksBlocks.startTiming(); // Paper
- if (i > 0) {
- ChunkSection[] achunksection = chunk.getSections();
- int l = achunksection.length;
-
- for (int i1 = 0; i1 < l; ++i1) {
- ChunkSection chunksection = achunksection[i1];
-
- if (chunksection != Chunk.a && chunksection.d()) {
- int j1 = chunksection.getYPosition();
+ // Paper start - optimise random block ticking
+ gameprofilerfiller.exit();
+ int blocks = chunk.tickingList.size();
+ if (i > 0 && blocks > 0) {
+ if ((this.randomTickRandom.nextInt() & (16 * 16 * 256 - 1)) > blocks) {
+ // we optimise random block ticking by realising that most of the blocks we will try to tick
+ // are not tickable. Instead we only tick tickable blocks, but only if the above
+ // statement is true
+ // Note: The number of blocks that get ticked per tick still REMAIN the same.
+ return;
+ }
+ gameprofilerfiller.enter("tickBlocks");
if (i > 0) {
- ChunkSection[] achunksection = chunk.getSections();
- int l = achunksection.length;
+ gameprofilerfiller.enter("randomTick");
+ timings.chunkTicksBlocks.startTiming(); // Paper
- for (int i1 = 0; i1 < l; ++i1) {
- ChunkSection chunksection = achunksection[i1];
+ ChunkSection[] sections = chunk.getSections();
- if (chunksection != Chunk.a && chunksection.d()) {
- int j1 = chunksection.getYPosition();
+ for (int sectionIndex = 0; sectionIndex < 16; ++sectionIndex) {
+ ChunkSection section = sections[sectionIndex];
+ if (section == null || section.tickingList.size() == 0) {
+ continue;
+ }
- for (int k1 = 0; k1 < i; ++k1) {
- BlockPosition blockposition2 = this.a(j, j1, k, 15);
+ int toTick = i << 4; // i * 16
+ int yPos = sectionIndex << 4;
- gameprofilerfiller.enter("randomTick");
- IBlockData iblockdata = chunksection.getType(blockposition2.getX() - j, blockposition2.getY() - j1, blockposition2.getZ() - k);
+ gameprofilerfiller.enter("randomTick");
+ for (int tick = 0; tick < toTick; ++tick) {
+ int tickingSize = chunk.tickingList.size();
+ if (tickingSize == 0) {
+ break;
+ }
+ for (int a = 0; a < randomTickSpeed; ++a) {
+ int tickingBlocks = section.tickingList.size();
+ int index = this.randomTickRandom.nextInt(16 * 16 * 16);
+ if (index >= tickingBlocks) {
+ continue;
+ }
- if (iblockdata.q()) {
- iblockdata.getBlock().randomTick = true; // Paper - fix MC-113809
- iblockdata.b(this, blockposition2, this.random);
- iblockdata.getBlock().randomTick = false; // Paper - fix MC-113809
- }
+ int index = this.randomTickRandom.nextInt(tickingSize);
+ long raw = chunk.tickingList.getRaw(index);
+ int location = com.destroystokyo.paper.util.maplist.IBlockDataList.getLocationFromRaw(raw);
+ int randomX = location & 15;
+ int randomY = (location >>> (4 + 4)) & 255;
+ int randomZ = (location >>> 4) & 15;
+ long raw = section.tickingList.getRaw(index);
+ int location = com.destroystokyo.paper.util.maplist.IBlockDataList.getLocationFromRaw(raw);
+ int randomX = location & 15;
+ int randomY = ((location >>> (4 + 4)) & 255) | yPos;
+ int randomZ = (location >>> 4) & 15;
- Fluid fluid = iblockdata.getFluid();
+ BlockPosition blockposition2 = blockposition.setValues(j + randomX, randomY, k + randomZ);
+ IBlockData iblockdata = com.destroystokyo.paper.util.maplist.IBlockDataList.getBlockDataFromRaw(raw);
+ BlockPosition blockposition2 = blockposition.setValues(j + randomX, randomY, k + randomZ);
+ IBlockData iblockdata = com.destroystokyo.paper.util.maplist.IBlockDataList.getBlockDataFromRaw(raw);
- if (fluid.h()) {
- fluid.b(this, blockposition2, this.random);
- }
+ iblockdata.getBlock().randomTick = true; // Paper - fix MC-113809
+ iblockdata.b(this, blockposition2, this.randomTickRandom);
+ iblockdata.getBlock().randomTick = false; // Paper - fix MC-113809
+ iblockdata.getBlock().randomTick = true; // Paper - fix MC-113809
+ iblockdata.b(this, blockposition2, this.randomTickRandom);
+ iblockdata.getBlock().randomTick = false; // Paper - fix MC-113809
- gameprofilerfiller.exit();
- }
- }
+ // We drop the fluid tick since LAVA is ALREADY TICKED by the above method.
+ // TODO CHECK ON UPDATE
+ // We drop the fluid tick since LAVA is ALREADY TICKED by the above method.
+ // TODO CHECK ON UPDATE
}
}
+
+ gameprofilerfiller.exit();
+ timings.chunkTicksBlocks.stopTiming(); // Paper
+ gameprofilerfiller.exit();
+ // Paper end
}
- timings.chunkTicksBlocks.stopTiming(); // Paper

4
Spigot-Server-Patches/Prevent-Double-PlayerChunkMap-adds-crashing-server.patch
View File

@@ -7,7 +7,7 @@ Suspected case would be around the technique used in .stopRiding
Stack will identify any causer of this and warn instead of crashing.
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 0186ab9e..e1e4ea79 100644
index 0186ab9e40..e1e4ea793a 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -0,0 +0,0 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -26,7 +26,7 @@ index 0186ab9e..e1e4ea79 100644
if (!(entity instanceof EntityLightning)) {
EntityTypes<?> entitytypes = entity.getEntityType();
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index a9cb5245..969c6aad 100644
index b3e1e3686b..142770bcd6 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -0,0 +0,0 @@ public class WorldServer extends World {