diff --git a/patches/server/0996-Only-capture-actual-tree-growth.patch b/patches/server/0996-Only-capture-actual-tree-growth.patch new file mode 100644 index 0000000000..73a4055f19 --- /dev/null +++ b/patches/server/0996-Only-capture-actual-tree-growth.patch @@ -0,0 +1,94 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jake Potrebic +Date: Sat, 21 Aug 2021 18:53:03 -0700 +Subject: [PATCH] Only capture actual tree growth + + +diff --git a/src/main/java/net/minecraft/world/level/block/grower/AbstractMegaTreeGrower.java b/src/main/java/net/minecraft/world/level/block/grower/AbstractMegaTreeGrower.java +index 3decfca75ae1ace3da8ff47815a47d84c2a86105..b1e4a84bc5351ffe472d8371565665148253ad8f 100644 +--- a/src/main/java/net/minecraft/world/level/block/grower/AbstractMegaTreeGrower.java ++++ b/src/main/java/net/minecraft/world/level/block/grower/AbstractMegaTreeGrower.java +@@ -49,17 +49,25 @@ public abstract class AbstractMegaTreeGrower extends AbstractTreeGrower { + ConfiguredFeature worldgenfeatureconfigured = (ConfiguredFeature) holder.value(); + BlockState iblockdata1 = Blocks.AIR.defaultBlockState(); + ++ // Paper start ++ final CaptureState captureState = new CaptureState(world).recordAndSetToFalse(); ++ try (captureState) { ++ // Paper end + world.setBlock(pos.offset(x, 0, z), iblockdata1, 4); + world.setBlock(pos.offset(x + 1, 0, z), iblockdata1, 4); + world.setBlock(pos.offset(x, 0, z + 1), iblockdata1, 4); + world.setBlock(pos.offset(x + 1, 0, z + 1), iblockdata1, 4); ++ } // Paper + if (worldgenfeatureconfigured.place(world, chunkGenerator, random, pos.offset(x, 0, z))) { + return true; + } else { ++ captureState.recordAndSetToFalse(); // Paper ++ try (captureState) { // Paper + world.setBlock(pos.offset(x, 0, z), state, 4); + world.setBlock(pos.offset(x + 1, 0, z), state, 4); + world.setBlock(pos.offset(x, 0, z + 1), state, 4); + world.setBlock(pos.offset(x + 1, 0, z + 1), state, 4); ++ } // Paper + return false; + } + } +diff --git a/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java b/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java +index a743f36f2682a6b72ffa6644782fc081d1479eb7..1478483c0a5e35dfe0865ba5d819822765940dbf 100644 +--- a/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java ++++ b/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java +@@ -41,7 +41,12 @@ public abstract class AbstractTreeGrower { + ConfiguredFeature worldgenfeatureconfigured = (ConfiguredFeature) holder.value(); + BlockState iblockdata1 = world.getFluidState(pos).createLegacyBlock(); + ++ // Paper start - don't capture the change to air for tree blocks ++ final CaptureState captureState = new CaptureState(world).recordAndSetToFalse(); ++ try (captureState) { ++ // Paper end + world.setBlock(pos, iblockdata1, 4); ++ } // Paper + if (worldgenfeatureconfigured.place(world, chunkGenerator, random, pos)) { + if (world.getBlockState(pos) == iblockdata1) { + world.sendBlockUpdated(pos, state, iblockdata1, 2); +@@ -49,7 +54,10 @@ public abstract class AbstractTreeGrower { + + return true; + } else { ++ captureState.recordAndSetToFalse(); // Paper - don't capture the change to air for tree blocks ++ try (captureState) { // Paper + world.setBlock(pos, state, 4); ++ } // Paper + return false; + } + } +@@ -122,4 +130,29 @@ public abstract class AbstractTreeGrower { + } + } + // CraftBukkit end ++ // Paper start ++ static class CaptureState implements AutoCloseable { ++ private final ServerLevel level; ++ private boolean previousCaptureTreeGeneration; ++ private boolean previousCaptureBlockStates; ++ ++ CaptureState(net.minecraft.server.level.ServerLevel level) { ++ this.level = level; ++ } ++ ++ CaptureState recordAndSetToFalse() { ++ this.previousCaptureTreeGeneration = this.level.captureTreeGeneration; ++ this.previousCaptureBlockStates = this.level.captureBlockStates; ++ this.level.captureTreeGeneration = false; ++ this.level.captureBlockStates = false; ++ return this; ++ } ++ ++ @Override ++ public void close() { ++ this.level.captureTreeGeneration = this.previousCaptureTreeGeneration; ++ this.level.captureBlockStates = this.previousCaptureBlockStates; ++ } ++ } ++ // Paper end + }