PaperMC/patches/server/0894-Fix-strikeLightningEffect-powers-lightning-rods-and-.patch

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 152ecd38814089333b8d61538297ce720756d2c3..12127b14babf646711d3a118416453c4f1ac1460 100644
--- a/src/main/java/net/minecraft/world/entity/LightningBolt.java
+++ b/src/main/java/net/minecraft/world/entity/LightningBolt.java
@@ -48,6 +48,7 @@ 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) {
+        if (!this.visualOnly && !this.isEffect) {  // Paper - Properly handle lightning effects api
             Level world = this.level();
 
             if (world instanceof ServerLevel) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index a81d9f5920de0bd6e54d199cccad96f7f8cebb05..b8bb6ae33a78b7fb152d0068f54cd7c5b046ebdd 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -742,7 +742,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
 
         LightningBolt lightning = EntityType.LIGHTNING_BOLT.create(this.world, EntitySpawnReason.COMMAND);
         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() {