Paper/patches/server/0645-Add-methods-to-find-targets-for-lightning-strikes.patch
2024-01-16 19:27:39 +01:00

61 lines
3.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jakub Zacek <dawon@dawon.eu>
Date: Mon, 4 Oct 2021 10:16:44 +0200
Subject: [PATCH] Add methods to find targets for lightning strikes
== AT ==
public net.minecraft.server.level.ServerLevel findLightningRod(Lnet/minecraft/core/BlockPos;)Ljava/util/Optional;
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index dbfd4a642e862f46a8b4fd1f3fc52c13ecf74284..1629a94a272f34d395b6be8f16944b9a8837d195 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -998,6 +998,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
protected BlockPos findLightningTargetAround(BlockPos pos) {
+ // Paper start
+ return this.findLightningTargetAround(pos, false);
+ }
+ public BlockPos findLightningTargetAround(BlockPos pos, boolean returnNullWhenNoTarget) {
+ // Paper end
BlockPos blockposition1 = this.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, pos);
Optional<BlockPos> optional = this.findLightningRod(blockposition1);
@@ -1012,6 +1017,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (!list.isEmpty()) {
return ((LivingEntity) list.get(this.random.nextInt(list.size()))).blockPosition();
} else {
+ if (returnNullWhenNoTarget) return null; // Paper
if (blockposition1.getY() == this.getMinBuildHeight() - 1) {
blockposition1 = blockposition1.above(2);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index a920936018a2e05ea72d68a83e6debb3807df353..095fa9e4c4d367a3cdd343ca71bef7a6564759be 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -701,6 +701,23 @@ public class CraftWorld extends CraftRegionAccessor implements World {
return (LightningStrike) lightning.getBukkitEntity();
}
+ // Paper start
+ @Override
+ public Location findLightningRod(Location location) {
+ return this.world.findLightningRod(io.papermc.paper.util.MCUtil.toBlockPosition(location))
+ .map(blockPos -> io.papermc.paper.util.MCUtil.toLocation(this.world, blockPos)
+ // get the actual rod pos
+ .subtract(0, 1, 0))
+ .orElse(null);
+ }
+
+ @Override
+ public Location findLightningTarget(Location location) {
+ final BlockPos pos = this.world.findLightningTargetAround(io.papermc.paper.util.MCUtil.toBlockPosition(location), true);
+ return pos == null ? null : io.papermc.paper.util.MCUtil.toLocation(this.world, pos);
+ }
+ // Paper end
+
@Override
public boolean generateTree(Location loc, TreeType type) {
return this.generateTree(loc, CraftWorld.rand, type);