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b1691e7b69
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.
102 lines
5.5 KiB
Diff
102 lines
5.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: JellySquid <jellysquid+atwork@protonmail.com>
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Date: Sat, 9 May 2020 16:25:21 -0400
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Subject: [PATCH] Implement JellySquid's Entity Collision optimisations patch
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Optimizes Full Block voxel collisions, and removes streams from Entity collisions
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Original code by JellySquid, licensed under GNU Lesser General Public License v3.0
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you can find the original code on https://github.com/jellysquid3/lithium-fabric/tree/1.15.x/fabric (Yarn mappings)
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diff --git a/src/main/java/net/minecraft/server/ICollisionAccess.java b/src/main/java/net/minecraft/server/ICollisionAccess.java
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index bdebbaf0b93ae7186b0afb3b2c04fdcf11148121..be4e311eadbd5a3b4d17ec6eb691d3ff0af711ae 100644
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--- a/src/main/java/net/minecraft/server/ICollisionAccess.java
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+++ b/src/main/java/net/minecraft/server/ICollisionAccess.java
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@@ -109,11 +109,24 @@ public interface ICollisionAccess extends IBlockAccess {
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if ((j2 != 1 || iblockdata.f()) && (j2 != 2 || iblockdata.getBlock() == Blocks.MOVING_PISTON)) {
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VoxelShape voxelshape2 = iblockdata.b((IBlockAccess) ICollisionAccess.this, blockposition_mutableblockposition, voxelshapecollision);
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- VoxelShape voxelshape3 = voxelshape2.a((double) k1, (double) l1, (double) i2);
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- if (VoxelShapes.c(voxelshape, voxelshape3, OperatorBoolean.AND)) {
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- consumer.accept(voxelshape3);
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- return true;
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+ // Paper start - Lithium Collision Optimizations
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+ if (voxelshape2 == VoxelShapes.empty()) {
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+ continue;
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+ }
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+
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+ if (voxelshape2 == VoxelShapes.fullCube()) {
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+ if (axisalignedbb.intersects(x, y, z, x + 1.0D, y + 1.0D, z + 1.0D)) {
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+ consumer.accept(voxelshape2.offset(x, y, z));
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+ return true;
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+ }
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+ } else {
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+ VoxelShape shape = voxelshape2.offset(x, y, z);
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+ if (VoxelShapes.applyOperation(shape, voxelshape, OperatorBoolean.AND)) {
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+ consumer.accept(shape);
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+ return true;
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+ }
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+ // Paper end
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}
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}
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}
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diff --git a/src/main/java/net/minecraft/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
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index 5135308fb6137a34ed6fd061f0a210de6de4e81c..d434aaaaf0ab6a18ab0fe5ad0bf8ed4662f49120 100644
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--- a/src/main/java/net/minecraft/server/IEntityAccess.java
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+++ b/src/main/java/net/minecraft/server/IEntityAccess.java
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@@ -52,20 +52,41 @@ public interface IEntityAccess {
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// Paper end - optimise hard collision
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default Stream<VoxelShape> b(@Nullable Entity entity, AxisAlignedBB axisalignedbb, Set<Entity> set) {
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- if (axisalignedbb.a() < 1.0E-7D) {
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+ // Paper start - remove streams from entity collision
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+ if (axisalignedbb.getAverageSideLength() < 1.0E-7D) {
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return Stream.empty();
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- } else {
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- AxisAlignedBB axisalignedbb1 = axisalignedbb.g(1.0E-7D);
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- Stream<AxisAlignedBB> stream = ((entity != null && entity.hardCollides()) ? this.getEntities(entity, axisalignedbb) : this.getHardCollidingEntities(entity, axisalignedbb1)).stream().filter((entity1) -> { // Paper - decompile fix // Paper - optimise hard collision
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- return !set.contains(entity1);
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- }).filter((entity1) -> {
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- return entity == null || !entity.isSameVehicle(entity1);
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- }).flatMap((entity1) -> {
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- return Stream.of(entity1.au(), entity == null ? null : entity.j(entity1)); // Paper - optimise hard collision - diff on change, these are the methods that only hard colliding entities override
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- }).filter(Objects::nonNull);
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-
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- return stream.filter(axisalignedbb1::c).map(VoxelShapes::a);
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+
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}
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+ AxisAlignedBB selection = axisalignedbb.grow(1.0E-7D);
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+ List<Entity> entities = entity != null && entity.hardCollides() ? getEntities(entity, selection) : getHardCollidingEntities(entity, selection);
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+ List<VoxelShape> shapes = new java.util.ArrayList<>();
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+
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+ for (Entity otherEntity : entities) {
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+ if (!set.isEmpty() && set.contains(otherEntity)) {
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+ continue;
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+ }
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+
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+ if (entity != null && entity.isSameVehicle(otherEntity)) {
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+ continue;
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+ }
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+
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+ AxisAlignedBB otherEntityBox = otherEntity.getCollisionBox();
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+
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+ if (otherEntityBox != null && selection.intersects(otherEntityBox)) {
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+ shapes.add(VoxelShapes.of(otherEntityBox));
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+ }
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+
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+ if (entity != null) {
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+ AxisAlignedBB otherEntityHardBox = entity.getHardCollisionBox(otherEntity);
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+
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+ if (otherEntityHardBox != null && selection.intersects(otherEntityHardBox)) {
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+ shapes.add(VoxelShapes.of(otherEntityHardBox));
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+ }
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+ }
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+ }
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+
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+ return shapes.stream();
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+ // Paper end
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}
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@Nullable
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