diff --git a/patches/server/0931-optimized-dirt-and-snow-spreading.patch b/patches/server/0931-optimized-dirt-and-snow-spreading.patch new file mode 100644 index 0000000000..a146caa330 --- /dev/null +++ b/patches/server/0931-optimized-dirt-and-snow-spreading.patch @@ -0,0 +1,78 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: lukas81298 +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 + } + } + }