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Paper/Spigot-Server-Patches/0453-Optimize-Collision-to-not-load-chunks.patch

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Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 2 Apr 2020 02:37:57 -0400
Subject: [PATCH] Optimize Collision to not load chunks
The collision code takes an AABB and generates a cuboid of checks rather
than a cylinder, so at high velocity this can generate a lot of chunk checks.
Treat an unloaded chunk as a collision for entities, and also for players if
the "prevent moving into unloaded chunks" setting is enabled.
If that serting is not enabled, collisions will be ignored for players, since
movement will load only the chunk the player enters anyways and avoids loading
massive amounts of surrounding chunks due to large AABB lookups.
Fix collision checks on spawning hanging entities and null on async chunk loads getCubes will now always load chunks getChunk with gen false will now not throw error Fixes #3368 Fixes #3364
2020-05-14 10:58:47 +02:00
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 7434f859f7f9acff0f881ff594c8dffdfa249c76..7fb34a86dc35cb4bf51e1ce5220e56642096fece 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -80,6 +80,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
private CraftEntity bukkitEntity;
PlayerChunkMap.EntityTracker tracker; // Paper
+ boolean collisionLoadChunks = false; // Paper
Throwable addedToWorldStack; // Paper - entity debug
public CraftEntity getBukkitEntity() {
if (bukkitEntity == null) {
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
diff --git a/src/main/java/net/minecraft/server/ICollisionAccess.java b/src/main/java/net/minecraft/server/ICollisionAccess.java
Ensure we load chunks for Entity getCubes Was some other code paths missing the set for loading chunks Fixes #3582 Fixes #3368 Probably helps with "falling through world" issues too.
2020-06-20 11:22:09 +02:00
index f851ed11df14fd9aa8017f44d82fb6cfc3bde345..3eefbf4d5f10b53f930759a0afa5661253b92c60 100644
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
--- a/src/main/java/net/minecraft/server/ICollisionAccess.java
+++ b/src/main/java/net/minecraft/server/ICollisionAccess.java
Ensure we load chunks for Entity getCubes Was some other code paths missing the set for loading chunks Fixes #3582 Fixes #3368 Probably helps with "falling through world" issues too.
2020-06-20 11:22:09 +02:00
@@ -43,7 +43,9 @@ public interface ICollisionAccess extends IBlockAccess {
Fix collision checks on spawning hanging entities and null on async chunk loads getCubes will now always load chunks getChunk with gen false will now not throw error Fixes #3368 Fixes #3364
2020-05-14 10:58:47 +02:00
}
Ensure we load chunks for Entity getCubes Was some other code paths missing the set for loading chunks Fixes #3582 Fixes #3368 Probably helps with "falling through world" issues too.
2020-06-20 11:22:09 +02:00
default boolean a(@Nullable Entity entity, AxisAlignedBB axisalignedbb, Set<Entity> set) {
+ try { if (entity != null) entity.collisionLoadChunks = true; // Paper
return this.c(entity, axisalignedbb, set).allMatch(VoxelShape::isEmpty);
+ } finally { if (entity != null) entity.collisionLoadChunks = false; } // Paper
Fix collision checks on spawning hanging entities and null on async chunk loads getCubes will now always load chunks getChunk with gen false will now not throw error Fixes #3368 Fixes #3364
2020-05-14 10:58:47 +02:00
}
Ensure we load chunks for Entity getCubes Was some other code paths missing the set for loading chunks Fixes #3582 Fixes #3368 Probably helps with "falling through world" issues too.
2020-06-20 11:22:09 +02:00
default Stream<VoxelShape> b(@Nullable Entity entity, AxisAlignedBB axisalignedbb, Set<Entity> set) {
@@ -83,19 +85,33 @@ public interface ICollisionAccess extends IBlockAccess {
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
}
while (cursorposition.a()) {
- int k1 = cursorposition.b();
- int l1 = cursorposition.c();
- int i2 = cursorposition.d();
+ int k1 = cursorposition.b();int x = k1; // Paper
+ int l1 = cursorposition.c();int y = l1; // Paper
+ int i2 = cursorposition.d();int z = i2; // Paper
int j2 = cursorposition.e();
if (j2 != 3) {
Fix teleporting onto a chunk line Obscure detail in that if you teleport right on a chunk line, it adds +1 to your collision check and will check the unloaded neighbor. but the call to load the chunk then returned null if it was pending unload, such as the load we did in Player List However we want gen=true for players here anyways, so use getType
2020-05-10 11:36:35 +02:00
- int k2 = k1 >> 4;
- int l2 = i2 >> 4;
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
- IBlockAccess iblockaccess = ICollisionAccess.this.c(k2, l2);
-
- if (iblockaccess != null) {
- blockposition_mutableblockposition.d(k1, l1, i2);
- IBlockData iblockdata = iblockaccess.getType(blockposition_mutableblockposition);
Fix teleporting onto a chunk line Obscure detail in that if you teleport right on a chunk line, it adds +1 to your collision check and will check the unloaded neighbor. but the call to load the chunk then returned null if it was pending unload, such as the load we did in Player List However we want gen=true for players here anyways, so use getType
2020-05-10 11:36:35 +02:00
+ // Paper start - ensure we don't load chunks
+ //int k2 = k1 >> 4;
+ //int l2 = i2 >> 4;
Optimize WorldBorder collision checks and air Port part of leafs changes from Tuinity, will worry about rest later with larger changes coming
2020-05-11 04:49:58 +02:00
+ boolean far = entity != null && MCUtil.distanceSq(entity.locX(), y, entity.locZ(), x, y, z) > 14;
Don't use our modified chunk checks for collision in world gen Fixes issues with errors in logs on generating chunks
2020-05-10 08:26:21 +02:00
+ blockposition_mutableblockposition.setValues(x, y, z);
Remove some Streams usage in Entity Collision While there is more down the collision system, remove some of the wrapping Spliterator stuff as even this wrapper stream has shown up in profiling. With other collision optimizations, we might also even avoid inner streams too.
2020-05-10 01:18:26 +02:00
+
Don't use our modified chunk checks for collision in world gen Fixes issues with errors in logs on generating chunks
2020-05-10 08:26:21 +02:00
+ boolean isRegionLimited = ICollisionAccess.this instanceof RegionLimitedWorldAccess;
Fix collision checks on spawning hanging entities and null on async chunk loads getCubes will now always load chunks getChunk with gen false will now not throw error Fixes #3368 Fixes #3364
2020-05-14 10:58:47 +02:00
+ IBlockData iblockdata = isRegionLimited ? Blocks.VOID_AIR.getBlockData() : ((!far && entity instanceof EntityPlayer) || (entity != null && entity.collisionLoadChunks)
Fix teleporting onto a chunk line Obscure detail in that if you teleport right on a chunk line, it adds +1 to your collision check and will check the unloaded neighbor. but the call to load the chunk then returned null if it was pending unload, such as the load we did in Player List However we want gen=true for players here anyways, so use getType
2020-05-10 11:36:35 +02:00
+ ? ICollisionAccess.this.getType(blockposition_mutableblockposition)
+ : ICollisionAccess.this.getTypeIfLoaded(blockposition_mutableblockposition)
+ );
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
+ if (iblockdata == null) {
+ if (!(entity instanceof EntityPlayer) || entity.world.paperConfig.preventMovingIntoUnloadedChunks) {
Remove some Streams usage in Entity Collision While there is more down the collision system, remove some of the wrapping Spliterator stuff as even this wrapper stream has shown up in profiling. With other collision optimizations, we might also even avoid inner streams too.
2020-05-10 01:18:26 +02:00
+ VoxelShape voxelshape3 = VoxelShapes.of(far ? entity.getBoundingBox() : new AxisAlignedBB(new BlockPosition(x, y, z)));
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
+ consumer.accept(voxelshape3);
+ return true;
+ }
+ } else {
+ //blockposition_mutableblockposition.d(k1, l1, i2); // moved up
+ //IBlockData iblockdata = iblockaccess.getType(blockposition_mutableblockposition); // moved up
+ // Paper end
if ((j2 != 1 || iblockdata.f()) && (j2 != 2 || iblockdata.getBlock() == Blocks.MOVING_PISTON)) {
VoxelShape voxelshape2 = iblockdata.b((IBlockAccess) ICollisionAccess.this, blockposition_mutableblockposition, voxelshapecollision);
Ensure chunks loaded on respawn for suffocation check
2020-05-10 03:13:30 +02:00
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
1.16.1 prep
2020-06-25 03:10:30 +02:00
index 088c82c5379b39f8cebd60465e054b97c96eb983..0e9ba6319472f54a1f77a9d2cdfb86d7490f0572 100644
Ensure chunks loaded on respawn for suffocation check
2020-05-10 03:13:30 +02:00
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -677,6 +677,7 @@ public abstract class PlayerList {
entityplayer1.forceSetPositionRotation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
// CraftBukkit end
Add a TELEPORT ticket when changing dimensions This should fix any remaining issues around collision issues on chunk edges when changing dimensions sending to Y 256
2020-05-11 05:58:04 +02:00
+ worldserver.getChunkProvider().addTicket(TicketType.POST_TELEPORT, new ChunkCoordIntPair(location.getBlockX() >> 4, location.getBlockZ() >> 4), 1, entityplayer.getId()); // Paper
Ensure chunks loaded on respawn for suffocation check
2020-05-10 03:13:30 +02:00
while (avoidSuffocation && !worldserver.getCubes(entityplayer1) && entityplayer1.locY() < 256.0D) {
entityplayer1.setPosition(entityplayer1.locX(), entityplayer1.locY() + 1.0D, entityplayer1.locZ());
}
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
diff --git a/src/main/java/net/minecraft/server/VoxelShapes.java b/src/main/java/net/minecraft/server/VoxelShapes.java
Implement JellySquid's Entity Collision optimisations patch This patch replaces the vanilla collision code for both block and entity collisions with faster implementations by JellySquid, used originally in her Lithium mod. Optimizes Full Block voxel collisions, and removes streams from Entity collisions Original code by JellySquid, licensed under GNU Lesser General Public License v3.0 you can find the original code on https://github.com/jellysquid3/lithium-fabric/tree/1.15.x/fabric (Yarn mappings) Ported by Co-authored-by: Zoutelande <54509836+Zoutelande@users.noreply.github.com> Touched up by Aikar to keep previous paper optimizations
2020-04-22 17:11:50 +02:00
index 335142ec0dfad822cfe40877e99dec0f307e1a58..e641d4b8d8b4ac5d539e6d9c0eaf345601e0b499 100644
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
--- a/src/main/java/net/minecraft/server/VoxelShapes.java
+++ b/src/main/java/net/minecraft/server/VoxelShapes.java
Implement JellySquid's Entity Collision optimisations patch This patch replaces the vanilla collision code for both block and entity collisions with faster implementations by JellySquid, used originally in her Lithium mod. Optimizes Full Block voxel collisions, and removes streams from Entity collisions Original code by JellySquid, licensed under GNU Lesser General Public License v3.0 you can find the original code on https://github.com/jellysquid3/lithium-fabric/tree/1.15.x/fabric (Yarn mappings) Ported by Co-authored-by: Zoutelande <54509836+Zoutelande@users.noreply.github.com> Touched up by Aikar to keep previous paper optimizations
2020-04-22 17:11:50 +02:00
@@ -239,7 +239,8 @@ public final class VoxelShapes {
Optimize Collision to not load chunks The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks. Treat an unloaded chunk as a collision for entities, and also for players if the "prevent moving into unloaded chunks" setting is enabled. If that setting is not enabled, collisions will be ignored for players, since movement will load only the chunk the player enters anyways and avoids loading massive amounts of surrounding chunks due to large AABB lookups. Fixes #3321
2020-05-09 21:47:08 +02:00
if (k2 < 3) {
blockposition_mutableblockposition.a(enumaxiscycle1, i2, j2, l1);
- IBlockData iblockdata = iworldreader.getType(blockposition_mutableblockposition);
+ IBlockData iblockdata = iworldreader.getTypeIfLoaded(blockposition_mutableblockposition); // Paper
+ if (iblockdata == null) return 0.0D; // Paper
if ((k2 != 1 || iblockdata.f()) && (k2 != 2 || iblockdata.getBlock() == Blocks.MOVING_PISTON)) {
d0 = iblockdata.b((IBlockAccess) iworldreader, blockposition_mutableblockposition, voxelshapecollision).a(enumdirection_enumaxis2, axisalignedbb.d((double) (-blockposition_mutableblockposition.getX()), (double) (-blockposition_mutableblockposition.getY()), (double) (-blockposition_mutableblockposition.getZ())), d0);
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