Yatopia/patches/server/0058-Use-faster-block-collision-check-for-entity-suffocat.patch
Ivan Pekov 0a19056af0
Drop akarin's stream replacements
Fixes bad performance out of the box for production. 
Apparently there's another issue which is thinkering our minds up, it is that after certain amount of time the gc just can't keep up. We're investigating into this, but until it is fixed - this is gonna be a stable build 

Co-authored-by: Mykyta Komarn <nkomarn@hotmail.com>
2020-10-08 14:04:22 +03:00

69 lines
3.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mykyta Komarn <nkomarn@hotmail.com>
Date: Tue, 29 Sep 2020 17:27:30 -0700
Subject: [PATCH] Use faster block collision check for entity suffocation check
Improves the speed of checks by ~3,000ns per entity on average.
diff --git a/src/main/java/me/jellysquid/mods/lithium/common/entity/movement/ChunkAwareBlockCollisionSweeper.java b/src/main/java/me/jellysquid/mods/lithium/common/entity/movement/ChunkAwareBlockCollisionSweeper.java
index 7ed343cfb3130446c85dab2ca04d60f91e2c94fb..194d2f177b05c594c7a27b6191860a3f89394f06 100644
--- a/src/main/java/me/jellysquid/mods/lithium/common/entity/movement/ChunkAwareBlockCollisionSweeper.java
+++ b/src/main/java/me/jellysquid/mods/lithium/common/entity/movement/ChunkAwareBlockCollisionSweeper.java
@@ -16,6 +16,7 @@ import net.minecraft.server.VoxelShape;
import net.minecraft.server.VoxelShapeCollision;
import net.minecraft.server.VoxelShapes;
+import java.util.function.BiPredicate; // Yatopia
import static me.jellysquid.mods.lithium.common.entity.LithiumEntityCollisions.EPSILON;
/**
@@ -59,6 +60,21 @@ public class ChunkAwareBlockCollisionSweeper {
private ChunkSection cachedChunkSection;
private boolean needEntityCollisionCheck;
+ // Yatopia start
+ private boolean checkSuffocation;
+ private final BiPredicate<IBlockData, BlockPosition> suffocationPredicate = new BiPredicate<IBlockData, BlockPosition>() {
+ @Override
+ public boolean test(IBlockData iBlockData, BlockPosition blockPosition) {
+ return iBlockData.o(view, blockPosition);
+ }
+ };
+
+ public ChunkAwareBlockCollisionSweeper(ICollisionAccess view, Entity entity, AxisAlignedBB box, boolean checkSuffocation) {
+ this(view, entity, box);
+ this.checkSuffocation = checkSuffocation;
+ }
+ // Yatopia end
+
public ChunkAwareBlockCollisionSweeper(ICollisionAccess view, Entity entity, AxisAlignedBB box) {
this.box = box;
this.shape = VoxelShapes.of(box);
@@ -206,6 +222,11 @@ public class ChunkAwareBlockCollisionSweeper {
if (canInteractWithBlock(state, edgesHit)) {
this.pos.setValues(x, y, z);
+ // Yatopia start
+ if (checkSuffocation && !suffocationPredicate.test(state, this.pos)) {
+ continue;
+ }
+ // Yatopia end
VoxelShape collisionShape = state.getCollisionShape(this.view, this.pos, this.context);
if (collisionShape != VoxelShapes.empty()) {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index ebb35de9a2293594c1ec936463ea175cc0a8bec0..2beb2b53e8d9f04e5d90898282d8cd186d251c14 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -2156,9 +2156,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
float f1 = this.size.width * 0.8F;
AxisAlignedBB axisalignedbb = AxisAlignedBB.g((double) f1, 0.10000000149011612D, (double) f1).d(this.locX(), this.getHeadY(), this.locZ());
- return this.world.b(this, axisalignedbb, (iblockdata, blockposition) -> {
- return iblockdata.o(this.world, blockposition);
- }).findAny().isPresent();
+ return new me.jellysquid.mods.lithium.common.entity.movement.ChunkAwareBlockCollisionSweeper(this.world, this, axisalignedbb, true).getNextCollidedShape() != null; // Yatopia - fast suffocation check
}
}