From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jakub Zacek 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 17e77f727b0cd3da788bf5593762f2930e98a609..2de60a2f3da7f8d30295def7045cd7535f84e37f 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -834,6 +834,11 @@ 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 optional = this.findLightningRod(blockposition1); @@ -848,6 +853,7 @@ 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 6b7e77c35ae737551859e9e7515cd5c189ec7313..17351379ddea082c7b6792b21220eb086d9d1906 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -685,6 +685,23 @@ 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);