Files
MiraiMC/patches/server/0006-lithium-reduce-allocs.patch
2021-12-02 17:26:04 +01:00

120 lines
6.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Etil <81570777+etil2jz@users.noreply.github.com>
Date: Thu, 2 Dec 2021 16:55:37 +0100
Subject: [PATCH] lithium: reduce allocs
diff --git a/src/main/java/me/jellysquid/mods/lithium/common/util/ArrayConstants.java b/src/main/java/me/jellysquid/mods/lithium/common/util/ArrayConstants.java
new file mode 100644
index 0000000000000000000000000000000000000000..d341fcb89c8744aa1bd8cb3ef6af93e7d585c0b7
--- /dev/null
+++ b/src/main/java/me/jellysquid/mods/lithium/common/util/ArrayConstants.java
@@ -0,0 +1,6 @@
+package me.jellysquid.mods.lithium.common.util;
+
+public class ArrayConstants {
+ public static final int[] EMPTY = new int[0];
+ public static final int[] ZERO = new int[]{0};
+}
\ No newline at end of file
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 0c9169423f9093594ea6d242ed5492ffc22c241f..489d60f34af09b2b7fe8d0cc0cc3fc820886d3a6 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3005,10 +3005,12 @@ public abstract class LivingEntity extends Entity {
}
+ private static final EquipmentSlot[] SLOTS = EquipmentSlot.values(); // Lithium
+
@Nullable
private Map<EquipmentSlot, ItemStack> collectEquipmentChanges() {
Map<EquipmentSlot, ItemStack> map = null;
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = SLOTS; // Lithium
int i = aenumitemslot.length;
for (int j = 0; j < i; ++j) {
diff --git a/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java b/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
index 2f9f15d99f8b31e9f13f7f32378b2a9e09bcb5e5..bea593c31b59920c2c4cb86c2dd116435578afeb 100644
--- a/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
+++ b/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
@@ -15,10 +15,19 @@ public class EntityBasedExplosionDamageCalculator extends ExplosionDamageCalcula
@Override
public Optional<Float> getBlockExplosionResistance(Explosion explosion, BlockGetter world, BlockPos pos, BlockState blockState, FluidState fluidState) {
- return super.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState).map((max) -> {
- return this.source.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState, max);
- });
+ // Lithium start
+ Optional<Float> optionalBlastResistance = super.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState);
+ if (optionalBlastResistance.isPresent()) {
+ float blastResistance = optionalBlastResistance.get();
+ float effectiveExplosionResistance = this.source.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState, blastResistance);
+ if (effectiveExplosionResistance != blastResistance) {
+ return Optional.of(effectiveExplosionResistance);
+ }
+ }
+ return optionalBlastResistance;
+ // Lithium end
}
+
@Override
public boolean shouldBlockExplode(Explosion explosion, BlockGetter world, BlockPos pos, BlockState state, float power) {
diff --git a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
index fb8b8a9733ac50096d8406487ab1ae167ef5f7b1..58ea7ce6093aaa6793d198332e60ceaaaa138b36 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -41,6 +41,7 @@ import net.minecraft.world.entity.player.Player;
import org.bukkit.craftbukkit.inventory.CraftBlockInventoryHolder;
import org.bukkit.craftbukkit.util.DummyGeneratorAccess;
// CraftBukkit end
+import me.jellysquid.mods.lithium.common.util.ArrayConstants; // Lithium
public class ComposterBlock extends Block implements WorldlyContainerHolder {
@@ -373,7 +374,7 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
@Override
public int[] getSlotsForFace(Direction side) {
- return side == Direction.DOWN ? new int[]{0} : new int[0];
+ return side == Direction.DOWN ? ArrayConstants.ZERO : ArrayConstants.EMPTY; // Lithium
}
@Override
@@ -422,7 +423,7 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
@Override
public int[] getSlotsForFace(Direction side) {
- return side == Direction.UP ? new int[]{0} : new int[0];
+ return side == Direction.UP ? ArrayConstants.ZERO : ArrayConstants.EMPTY; // Lithium
}
@Override
@@ -459,7 +460,7 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
@Override
public int[] getSlotsForFace(Direction side) {
- return new int[0];
+ return ArrayConstants.EMPTY; // Lithium
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java
index 28256f1f0aeb7718a5866add4ec40ce0198c36b9..eb01e28c23eb25e25382dfb4658c294cc3694dc4 100644
--- a/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java
@@ -162,8 +162,10 @@ public class PistonBaseBlock extends DirectionalBlock {
}
+ private static final Direction[] DIRECTIONS = Direction.values(); // Lithium
+
private boolean getNeighborSignal(Level world, BlockPos pos, Direction pistonFace) {
- Direction[] aenumdirection = Direction.values();
+ Direction[] aenumdirection = DIRECTIONS; // Lithium
int i = aenumdirection.length;
int j;