Paper/patches/server/0671-Add-methods-to-find-targets-for-lightning-strikes.patch
2023-06-08 21:29:58 -07:00

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 bc7daf89e30152a3bcb215e91b30c9680be5c343..e809a959d69197ecdec768a2d4f348c73c0d5b9a 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -974,6 +974,11 @@ 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);
@@ -988,6 +993,7 @@ 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 7e635571aea53e2ee7c39315c14347955f46dfe8..a37fd8fcc1924f99f1d4a97b36a04946d06f9347 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -693,6 +693,23 @@ 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 generateTree(loc, CraftWorld.rand, type);