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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-11-15 12:30:06 +01:00
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Paper/patches/server/0248-Prevent-various-interactions-from-causing-chunk-load.patch
Riley Park f17519338b
Expose server build information (#10729) 
* Expose server build information

* squash patches

* final tweaks

---------

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: masmc05 <masmc05@gmail.com>
2024-05-15 17:06:59 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 10 Sep 2018 23:56:36 -0400
Subject: [PATCH] Prevent various interactions from causing chunk loads
Co-authored-by: Shane Freeder <theboyetronic@gmail.com>
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java
index da5373d8eb4643414a0f2c699044fde93715c258..6634228ef002cbef67980272a26be4a75c954116 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java
@@ -126,7 +126,9 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
@Nullable
private BlockPos getPosWithBlock(BlockPos pos, BlockGetter world) {
- if (world.getBlockState(pos).is(this.blockToRemove)) {
+ net.minecraft.world.level.block.state.BlockState block = world.getBlockStateIfLoaded(pos); // Paper - Prevent AI rules from loading chunks
+ if (block == null) return null; // Paper - Prevent AI rules from loading chunks
+ if (block.is(this.blockToRemove)) { // Paper - Prevent AI rules from loading chunks
return pos;
} else {
BlockPos[] ablockposition = new BlockPos[]{pos.below(), pos.west(), pos.east(), pos.north(), pos.south(), pos.below().below()};
@@ -136,7 +138,8 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
for (int j = 0; j < i; ++j) {
BlockPos blockposition1 = ablockposition1[j];
- if (world.getBlockState(blockposition1).is(this.blockToRemove)) {
+ net.minecraft.world.level.block.state.BlockState block2 = world.getBlockStateIfLoaded(blockposition1); // Paper - Prevent AI rules from loading chunks
+ if (block2 != null && block2.is(this.blockToRemove)) { // Paper - Prevent AI rules from loading chunks
return blockposition1;
}
}
@@ -147,7 +150,7 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
@Override
protected boolean isValidTarget(LevelReader world, BlockPos pos) {
- ChunkAccess ichunkaccess = world.getChunk(SectionPos.blockToSectionCoord(pos.getX()), SectionPos.blockToSectionCoord(pos.getZ()), ChunkStatus.FULL, false);
+ ChunkAccess ichunkaccess = world.getChunkIfLoadedImmediately(pos.getX() >> 4, pos.getZ() >> 4); // Paper - Prevent AI rules from loading chunks
return ichunkaccess == null ? false : ichunkaccess.getBlockState(pos).is(this.blockToRemove) && ichunkaccess.getBlockState(pos.above()).isAir() && ichunkaccess.getBlockState(pos.above(2)).isAir();
}
diff --git a/src/main/java/net/minecraft/world/entity/monster/EnderMan.java b/src/main/java/net/minecraft/world/entity/monster/EnderMan.java
index 4d659fc8355542e6b9cadc6e1e86002e136702d2..853d65025d5e049467c1f1e7322580880506c347 100644
--- a/src/main/java/net/minecraft/world/entity/monster/EnderMan.java
+++ b/src/main/java/net/minecraft/world/entity/monster/EnderMan.java
@@ -500,7 +500,8 @@ public class EnderMan extends Monster implements NeutralMob {
int j = Mth.floor(this.enderman.getY() + randomsource.nextDouble() * 2.0D);
int k = Mth.floor(this.enderman.getZ() - 1.0D + randomsource.nextDouble() * 2.0D);
BlockPos blockposition = new BlockPos(i, j, k);
- BlockState iblockdata = world.getBlockState(blockposition);
+ BlockState iblockdata = world.getBlockStateIfLoaded(blockposition); // Paper - Prevent endermen from loading chunks
+ if (iblockdata == null) return; // Paper - Prevent endermen from loading chunks
BlockPos blockposition1 = blockposition.below();
BlockState iblockdata1 = world.getBlockState(blockposition1);
BlockState iblockdata2 = this.enderman.getCarriedBlock();
@@ -544,7 +545,8 @@ public class EnderMan extends Monster implements NeutralMob {
int j = Mth.floor(this.enderman.getY() + randomsource.nextDouble() * 3.0D);
int k = Mth.floor(this.enderman.getZ() - 2.0D + randomsource.nextDouble() * 4.0D);
BlockPos blockposition = new BlockPos(i, j, k);
- BlockState iblockdata = world.getBlockState(blockposition);
+ BlockState iblockdata = world.getBlockStateIfLoaded(blockposition); // Paper - Prevent endermen from loading chunks
+ if (iblockdata == null) return; // Paper - Prevent endermen from loading chunks
Vec3 vec3d = new Vec3((double) this.enderman.getBlockX() + 0.5D, (double) j + 0.5D, (double) this.enderman.getBlockZ() + 0.5D);
Vec3 vec3d1 = new Vec3((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D);
BlockHitResult movingobjectpositionblock = world.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.OUTLINE, ClipContext.Fluid.NONE, this.enderman));
diff --git a/src/main/java/net/minecraft/world/item/component/LodestoneTracker.java b/src/main/java/net/minecraft/world/item/component/LodestoneTracker.java
index c02a2f9e1b4e727b1deeb73377e1f7193f5ee072..cdd1f6939ce33e62f6609f7eb3a5dff59bf12675 100644
--- a/src/main/java/net/minecraft/world/item/component/LodestoneTracker.java
+++ b/src/main/java/net/minecraft/world/item/component/LodestoneTracker.java
@@ -29,7 +29,7 @@ public record LodestoneTracker(Optional<GlobalPos> target, boolean tracked) {
return this;
} else {
BlockPos blockPos = this.target.get().pos();
- return world.isInWorldBounds(blockPos) && world.getPoiManager().existsAtPosition(PoiTypes.LODESTONE, blockPos)
+ return world.isInWorldBounds(blockPos) && (!world.hasChunkAt(blockPos) || world.getPoiManager().existsAtPosition(PoiTypes.LODESTONE, blockPos)) // Paper - Prevent compass from loading chunks
? this
: new LodestoneTracker(Optional.empty(), true);
}
diff --git a/src/main/java/net/minecraft/world/level/BlockGetter.java b/src/main/java/net/minecraft/world/level/BlockGetter.java
index d6d8bbc98fc71997cb52521d59ebb59d727d3c22..c3760e0c8ac0b3ea200f4e1c237e250137a78caf 100644
--- a/src/main/java/net/minecraft/world/level/BlockGetter.java
+++ b/src/main/java/net/minecraft/world/level/BlockGetter.java
@@ -70,7 +70,15 @@ public interface BlockGetter extends LevelHeightAccessor {
// CraftBukkit start - moved block handling into separate method for use by Block#rayTrace
default BlockHitResult clip(ClipContext raytrace1, BlockPos blockposition) {
- BlockState iblockdata = this.getBlockState(blockposition);
+ // Paper start - Prevent raytrace from loading chunks
+ BlockState iblockdata = this.getBlockStateIfLoaded(blockposition);
+ if (iblockdata == null) {
+ // copied the last function parameter (listed below)
+ Vec3 vec3d = raytrace1.getFrom().subtract(raytrace1.getTo());
+
+ return BlockHitResult.miss(raytrace1.getTo(), Direction.getNearest(vec3d.x, vec3d.y, vec3d.z), BlockPos.containing(raytrace1.getTo()));
+ }
+ // Paper end - Prevent raytrace from loading chunks
FluidState fluid = this.getFluidState(blockposition);
Vec3 vec3d = raytrace1.getFrom();
Vec3 vec3d1 = raytrace1.getTo();
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