PaperMC/patches/server/0960-Fix-strikeLightningEffect-powers-lightning-rods-and-.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable.
2024-03-03 17:05:34 -05:00

72 lines
4.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tamion <70228790+notTamion@users.noreply.github.com>
Date: Sat, 30 Sep 2023 12:36:14 +0200
Subject: [PATCH] Fix strikeLightningEffect powers lightning rods and clears
copper
diff --git a/src/main/java/net/minecraft/world/entity/LightningBolt.java b/src/main/java/net/minecraft/world/entity/LightningBolt.java
index 41a3ca4edf4fa662f2af13efd7b78b56e24aa4a7..0a8a53710c693a220e9475f6f3112b91d8209c00 100644
--- a/src/main/java/net/minecraft/world/entity/LightningBolt.java
+++ b/src/main/java/net/minecraft/world/entity/LightningBolt.java
@@ -46,6 +46,7 @@ public class LightningBolt extends Entity {
private ServerPlayer cause;
private final Set<Entity> hitEntities = Sets.newHashSet();
private int blocksSetOnFire;
+ public boolean isEffect; // Paper - Properly handle lightning effects api
public LightningBolt(EntityType<? extends LightningBolt> type, Level world) {
super(type, world);
@@ -86,7 +87,7 @@ public class LightningBolt extends Entity {
@Override
public void tick() {
super.tick();
- if (this.life == 2) {
+ if (!this.isEffect && this.life == 2) { // Paper - Properly handle lightning effects api
if (this.level().isClientSide()) {
this.level().playLocalSound(this.getX(), this.getY(), this.getZ(), SoundEvents.LIGHTNING_BOLT_THUNDER, SoundSource.WEATHER, 10000.0F, 0.8F + this.random.nextFloat() * 0.2F, false);
this.level().playLocalSound(this.getX(), this.getY(), this.getZ(), SoundEvents.LIGHTNING_BOLT_IMPACT, SoundSource.WEATHER, 2.0F, 0.5F + this.random.nextFloat() * 0.2F, false);
@@ -133,7 +134,7 @@ public class LightningBolt extends Entity {
}
}
- if (this.life >= 0 && !this.visualOnly) { // CraftBukkit - add !this.visualOnly
+ if (this.life >= 0 && !this.isEffect) { // CraftBukkit - add !this.visualOnly // Paper - Properly handle lightning effects api
if (!(this.level() instanceof ServerLevel)) {
this.level().setSkyFlashTime(2);
} else if (!this.visualOnly) {
@@ -162,7 +163,7 @@ public class LightningBolt extends Entity {
}
private void spawnFire(int spreadAttempts) {
- if (!this.visualOnly && !this.level().isClientSide && this.level().getGameRules().getBoolean(GameRules.RULE_DOFIRETICK)) {
+ if (!this.visualOnly && !this.isEffect && !this.level().isClientSide && this.level().getGameRules().getBoolean(GameRules.RULE_DOFIRETICK)) { // Paper - Properly handle lightning effects api
BlockPos blockposition = this.blockPosition();
BlockState iblockdata = BaseFireBlock.getState(this.level(), blockposition);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index be4fc09f9e30cb4bb5aaad49c23a19fd84f029bc..263d60cb498f601b1381124127c084efe424409e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -746,7 +746,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
LightningBolt lightning = EntityType.LIGHTNING_BOLT.create(this.world);
lightning.moveTo(loc.getX(), loc.getY(), loc.getZ());
- lightning.setVisualOnly(isVisual);
+ lightning.isEffect = isVisual; // Paper - Properly handle lightning effects api
this.world.strikeLightning(lightning, LightningStrikeEvent.Cause.CUSTOM);
return (LightningStrike) lightning.getBukkitEntity();
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java
index 6fed8075aa75e3852dc826a45ca44603c0446a56..e9f471e60af0725ec34e2985d63ae9ea9f88590a 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java
@@ -13,7 +13,7 @@ public class CraftLightningStrike extends CraftEntity implements LightningStrike
@Override
public boolean isEffect() {
- return this.getHandle().visualOnly;
+ return this.getHandle().isEffect; // Paper - Properly handle lightning effects api
}
public int getFlashes() {