docs on reset_chunks

src/main/java/carpet/fakes/ThreadedAnvilChunkStorageInterface.java

@@ -9,5 +9,7 @@ public interface ThreadedAnvilChunkStorageInterface
 {
     Map<String, Integer> regenerateChunkRegion(List<ChunkPos> requestedChunks);
 
+    void relightChunk(ChunkPos pos);
+
     void releaseRelightTicket(ChunkPos pos);
 }

src/main/java/carpet/mixins/ThreadedAnvilChunkStorage_scarpetChunkCreationMixin.java

@@ -227,6 +227,31 @@ public abstract class ThreadedAnvilChunkStorage_scarpetChunkCreationMixin implem
         return future.join();
     }
 
+    @Override
+    public void relightChunk(ChunkPos pos)
+    {
+        this.addTicket(pos);
+        this.tickTicketManager();
+        if (this.currentChunkHolders.get(pos.toLong()).getCompletedChunk() == null) // chunk unloaded
+            if (WorldTools.canHasChunk(this.world, pos, null, true))
+                this.currentChunkHolders.get(pos.toLong()).createFuture(ChunkStatus.EMPTY, (ThreadedAnvilChunkStorage) (Object) this);
+        final Chunk chunk = this.getCurrentChunk(pos);
+        if (!(chunk.getStatus().isAtLeast(ChunkStatus.LIGHT.getPrevious()))) return;
+        ((ServerLightingProviderInterface) this.serverLightingProvider).removeLightData(chunk);
+        this.addRelightTicket(pos);
+        final CompletableFuture<?> lightFuture = this.createChunkRegionFuture(pos, 1, (pos_) -> ChunkStatus.LIGHT)
+                .thenCompose(
+                    either -> either.map(
+                            list -> ((ServerLightingProviderInterface) this.serverLightingProvider).relight(chunk),
+                            unloaded -> {
+                                this.releaseRelightTicket(pos);
+                                return CompletableFuture.completedFuture(null);
+                            }
+                    )
+                );
+        this.waitFor(lightFuture);
+    }
+
     @Override
     public Map<String, Integer> regenerateChunkRegion(final List<ChunkPos> requestedChunksList)
     {

src/main/java/carpet/script/CarpetExpression.java

@@ -7,7 +7,6 @@ import carpet.fakes.MinecraftServerInterface;
 import carpet.fakes.BiomeArrayInterface;
 import carpet.fakes.RecipeManagerInterface;
 import carpet.fakes.ServerChunkManagerInterface;
-import carpet.fakes.ServerLightingProviderInterface;
 import carpet.fakes.StatTypeInterface;
 import carpet.fakes.ThreadedAnvilChunkStorageInterface;
 import carpet.helpers.FeatureGenerator;
@@ -142,7 +141,6 @@ import net.minecraft.world.dimension.DimensionType;
 import net.minecraft.world.gen.ChunkRandom;
 import org.apache.commons.lang3.tuple.Pair;
 
-import java.util.Date;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -3186,9 +3184,8 @@ public class CarpetExpression
             BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
             BlockPos pos = locator.block.getPos();
             ServerWorld world = cc.s.getWorld();
-            ((ServerLightingProviderInterface)world.getChunkManager().getLightingProvider()).resetLight(world.getChunk(pos), new ChunkPos(pos)); //light(world.getChunk(pos), false);
+            ((ThreadedAnvilChunkStorageInterface) world.getChunkManager().threadedAnvilChunkStorage).relightChunk(new ChunkPos(pos));
             forceChunkUpdate(pos, world);
-            world.getChunkManager().getLightingProvider().light(world.getChunk(pos), false);
             return LazyValue.TRUE;
         });