Paper/patches/server/0915-optimized-dirt-and-snow-spreading.patch
Nassim Jahnke dcc290167f
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
dea9ce0a SPIGOT-7198: Add Sittable interface to Camel

CraftBukkit Changes:
eecb4c0dc SPIGOT-7196: Exception loading alternate worlds
0ff61e8fa SPIGOT-7198: Add Sittable interface to Camel
676441aac PR-1121: Handle additional missing SpawnEggs in MetaSpawnEgg
e85280e02 Handle missing SpawnEggs in MetaSpawnEgg

Spigot Changes:
d90018e0 SPIGOT-7199: NPE loading or creating world with custom chunk generator
2022-12-08 11:53:14 +01:00

79 lines
4.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: lukas81298 <lukas81298@gommehd.net>
Date: Fri, 22 Jan 2021 21:50:18 +0100
Subject: [PATCH] optimized dirt and snow spreading
diff --git a/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java b/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java
index 61783f17b655cbb6430d22fb3a81931ab3ea130c..af46c05a34292d271fd4a809398e6b299e10b12b 100644
--- a/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java
@@ -18,8 +18,13 @@ public abstract class SpreadingSnowyDirtBlock extends SnowyDirtBlock {
}
private static boolean canBeGrass(BlockState state, LevelReader world, BlockPos pos) {
+ // Paper start
+ return canBeGrass(world.getChunk(pos), state, world, pos);
+ }
+ private static boolean canBeGrass(net.minecraft.world.level.chunk.ChunkAccess chunk, BlockState state, LevelReader world, BlockPos pos) {
+ // Paper end
BlockPos blockposition1 = pos.above();
- BlockState iblockdata1 = world.getBlockState(blockposition1);
+ BlockState iblockdata1 = chunk.getBlockState(blockposition1); // Paper
if (iblockdata1.is(Blocks.SNOW) && (Integer) iblockdata1.getValue(SnowLayerBlock.LAYERS) == 1) {
return true;
@@ -33,15 +38,27 @@ public abstract class SpreadingSnowyDirtBlock extends SnowyDirtBlock {
}
private static boolean canPropagate(BlockState state, LevelReader world, BlockPos pos) {
+ // Paper start
+ return canPropagate(world.getChunk(pos), state, world, pos);
+ }
+
+ private static boolean canPropagate(net.minecraft.world.level.chunk.ChunkAccess chunk, BlockState state, LevelReader world, BlockPos pos) {
+ // Paper end
BlockPos blockposition1 = pos.above();
- return SpreadingSnowyDirtBlock.canBeGrass(state, world, pos) && !world.getFluidState(blockposition1).is(FluidTags.WATER);
+ return SpreadingSnowyDirtBlock.canBeGrass(chunk, state, world, pos) && !chunk.getFluidState(blockposition1).is(FluidTags.WATER); // Paper
}
@Override
public void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
if (this instanceof GrassBlock && world.paperConfig().tickRates.grassSpread != 1 && (world.paperConfig().tickRates.grassSpread < 1 || (MinecraftServer.currentTick + pos.hashCode()) % world.paperConfig().tickRates.grassSpread != 0)) { return; } // Paper
- if (!SpreadingSnowyDirtBlock.canBeGrass(state, world, pos)) {
+ // Paper start
+ net.minecraft.world.level.chunk.ChunkAccess cachedBlockChunk = world.getChunkIfLoaded(pos);
+ if (cachedBlockChunk == null) { // Is this needed?
+ return;
+ }
+ if (!SpreadingSnowyDirtBlock.canBeGrass(cachedBlockChunk, state, world, pos)) {
+ // Paper end
// CraftBukkit start
if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockFadeEvent(world, pos, Blocks.DIRT.defaultBlockState()).isCancelled()) {
return;
@@ -54,9 +71,19 @@ public abstract class SpreadingSnowyDirtBlock extends SnowyDirtBlock {
for (int i = 0; i < 4; ++i) {
BlockPos blockposition1 = pos.offset(random.nextInt(3) - 1, random.nextInt(5) - 3, random.nextInt(3) - 1);
-
- if (world.getBlockState(blockposition1).is(Blocks.DIRT) && SpreadingSnowyDirtBlock.canPropagate(iblockdata1, world, blockposition1)) {
- org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockSpreadEvent(world, pos, blockposition1, (BlockState) iblockdata1.setValue(SpreadingSnowyDirtBlock.SNOWY, world.getBlockState(blockposition1.above()).is(Blocks.SNOW))); // CraftBukkit
+ // Paper start
+ if (pos.getX() == blockposition1.getX() && pos.getY() == blockposition1.getY() && pos.getZ() == blockposition1.getZ()) {
+ continue;
+ }
+ net.minecraft.world.level.chunk.ChunkAccess access;
+ if (cachedBlockChunk.locX == blockposition1.getX() >> 4 && cachedBlockChunk.locZ == blockposition1.getZ() >> 4) {
+ access = cachedBlockChunk;
+ } else {
+ access = world.getChunkAt(blockposition1);
+ }
+ if (access.getBlockState(blockposition1).is(Blocks.DIRT) && SpreadingSnowyDirtBlock.canPropagate(access, iblockdata1, world, blockposition1)) {
+ org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockSpreadEvent(world, pos, blockposition1, (BlockState) iblockdata1.setValue(SpreadingSnowyDirtBlock.SNOWY, access.getBlockState(blockposition1.above()).is(Blocks.SNOW))); // CraftBukkit
+ // Paper end
}
}
}