LightingGetCommand.java

package com.hypixel.hytale.server.core.command.commands.utility.lighting;

import com.hypixel.hytale.component.Ref;
import com.hypixel.hytale.component.Store;
import com.hypixel.hytale.math.util.ChunkUtil;
import com.hypixel.hytale.math.vector.Vector3i;
import com.hypixel.hytale.server.core.Message;
import com.hypixel.hytale.server.core.command.system.CommandContext;
import com.hypixel.hytale.server.core.command.system.arguments.system.FlagArg;
import com.hypixel.hytale.server.core.command.system.arguments.system.RequiredArg;
import com.hypixel.hytale.server.core.command.system.arguments.types.ArgTypes;
import com.hypixel.hytale.server.core.command.system.arguments.types.RelativeIntPosition;
import com.hypixel.hytale.server.core.command.system.basecommands.AbstractWorldCommand;
import com.hypixel.hytale.server.core.universe.world.World;
import com.hypixel.hytale.server.core.universe.world.chunk.BlockChunk;
import com.hypixel.hytale.server.core.universe.world.chunk.section.BlockSection;
import com.hypixel.hytale.server.core.universe.world.chunk.section.ChunkLightData;
import com.hypixel.hytale.server.core.universe.world.storage.ChunkStore;
import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
import javax.annotation.Nonnull;

public class LightingGetCommand extends AbstractWorldCommand {
   @Nonnull
   private final RequiredArg<RelativeIntPosition> positionArg;
   @Nonnull
   private final FlagArg hexFlag;

   public LightingGetCommand() {
      super("get", "server.commands.light.get.desc");
      this.positionArg = this.withRequiredArg("x y z", "server.commands.light.get.position.desc", ArgTypes.RELATIVE_BLOCK_POSITION);
      this.hexFlag = this.withFlagArg("hex", "server.commands.light.get.hex.desc");
   }

   protected void execute(@Nonnull CommandContext context, @Nonnull World world, @Nonnull Store<EntityStore> store) {
      ChunkStore chunkStore = world.getChunkStore();
      Vector3i position = ((RelativeIntPosition)this.positionArg.get(context)).getBlockPosition(context, store);
      int x = position.x;
      int y = position.y;
      int z = position.z;
      long chunkIndex = ChunkUtil.indexChunkFromBlock(x, z);
      Ref<ChunkStore> chunkReference = chunkStore.getChunkReference(chunkIndex);
      if (chunkReference != null && chunkReference.isValid()) {
         BlockChunk blockChunkComponent = (BlockChunk)chunkStore.getStore().getComponent(chunkReference, BlockChunk.getComponentType());

         assert blockChunkComponent != null;

         BlockSection section = blockChunkComponent.getSectionAtBlockY(y);
         short lightValue = section.getGlobalLight().getLightRaw(x, y, z);
         byte redLight = ChunkLightData.getLightValue(lightValue, 0);
         byte greenLight = ChunkLightData.getLightValue(lightValue, 1);
         byte blueLight = ChunkLightData.getLightValue(lightValue, 2);
         byte skyLight = ChunkLightData.getLightValue(lightValue, 3);
         boolean displayHex = (Boolean)this.hexFlag.get(context);
         Message messageToSend = Message.translation("server.commands.light.get").param("x", x).param("y", y).param("z", z).param("worldName", world.getName());
         if (displayHex) {
            String hexString = Integer.toHexString(lightValue);
            String var10001 = "0".repeat(8 - hexString.length());
            messageToSend.insert("#" + var10001 + hexString);
         } else {
            messageToSend.insert(Message.translation("server.commands.light.value").param("red", redLight).param("green", greenLight).param("blue", blueLight).param("sky", skyLight));
         }

         context.sendMessage(messageToSend);
      } else {
         Message errorMessage = Message.translation("server.commands.errors.chunkNotLoaded").param("chunkX", ChunkUtil.chunkCoordinate(x)).param("chunkZ", ChunkUtil.chunkCoordinate(z)).param("world", world.getName());
         context.sendMessage(errorMessage);
      }
   }
}