class="kw">package com.hypixel.hytale.server.npc.util;

class="kw">import com.hypixel.hytale.assetstore.map.BlockTypeAssetMap;
class="kw">import com.hypixel.hytale.component.Ref;
class="kw">import com.hypixel.hytale.component.Store;
class="kw">import com.hypixel.hytale.math.shape.Box;
class="kw">import com.hypixel.hytale.math.util.ChunkUtil;
class="kw">import com.hypixel.hytale.protocol.BlockMaterial;
class="kw">import com.hypixel.hytale.server.core.asset.type.blockhitbox.BlockBoundingBoxes;
class="kw">import com.hypixel.hytale.server.core.asset.type.blocktype.config.BlockType;
class="kw">import com.hypixel.hytale.server.core.universe.world.World;
class="kw">import com.hypixel.hytale.server.core.universe.world.chunk.BlockOperations;
class="kw">import com.hypixel.hytale.server.core.universe.world.chunk.section.BlockSection;
class="kw">import com.hypixel.hytale.server.core.universe.world.storage.ChunkStore;
class="kw">import javax.annotation.Nonnull;

class="kw">public class BlockPlacementHelper {
   class="kw">public BlockPlacementHelper() {
   }

   class="kw">public class="kw">static boolean canPlaceUnitBlock(@Nonnull World var0, BlockType var1, boolean var2, int var3, int var4, int var5) {
      ChunkStore var6 = var0.getChunkStore();
      Store var7 = var6.getStore();
      BlockTypeAssetMap var8 = BlockType.getAssetMap();
      Ref var9 = var6.getChunkSectionReferenceAtBlock(var3, var4, var5);
      if (var9 != null && var9.isValid()) {
         BlockSection var10 = var7.getComponent(var9, BlockSection.getComponentType());
         if (var10 == null) {
            class="kw">return false;
         }

         BlockType var11 = var8.getAsset(var10.get(var3, var4, var5));
         if (var11 == null) {
            class="kw">return false;
         }

         if (!testBlock(var1, var11, var2)) {
            class="kw">return false;
         }

         BlockSection var12 = var10;
         if (ChunkUtil.chunkCoordinate(var4 - 1) != ChunkUtil.chunkCoordinate(var4)) {
            Ref var13 = var6.getChunkSectionReferenceAtBlock(var3, var4 - 1, var5);
            if (var13 == null || !var13.isValid()) {
               class="kw">return false;
            }

            var12 = var7.getComponent(var13, BlockSection.getComponentType());
            if (var12 == null) {
               class="kw">return false;
            }
         }

         BlockType var16 = var8.getAsset(var12.get(var3, var4 - 1, var5));
         if (var16 == null) {
            class="kw">return false;
         }

         int var14 = var12.getFiller(var3, var4 - 1, var5);
         int var15 = var12.getRotationIndex(var3, var4 - 1, var5);
         class="kw">return testSupportingBlock(var16, var15, var14);
      } else {
         class="kw">return false;
      }
   }

   class="kw">public class="kw">static boolean canPlaceBlock(@Nonnull World var0, @Nonnull BlockType var1, int var2, boolean var3, int var4, int var5, int var6) {
      ChunkStore var7 = var0.getChunkStore();
      Ref var8 = var7.getChunkSectionReferenceAtBlock(var4, var5, var6);
      if (var8 != null && var8.isValid()) {
         Store var9 = var7.getStore();
         BlockSection var10 = var9.getComponent(var8, BlockSection.getComponentType());
         class="kw">return var10 == null
            ? false
            : BlockOperations.testPlaceBlock(
               var9, var10, var4, var5, var6, var1, var2, (var2x, var3x, var4x, var5x, var6x, var7x) -> testBlock(var1, var5x, var3)
            );
      } else {
         class="kw">return false;
      }
   }

   class="kw">public class="kw">static boolean testBlock(BlockType var0, @Nonnull BlockType var1, boolean var2) {
      if (var1 == BlockType.EMPTY) {
         class="kw">return true;
      } else {
         class="kw">return var2 && var1.getMaterial() == BlockMaterial.Empty ? true : true;
      }
   }

   class="kw">public class="kw">static boolean testSupportingBlock(@Nonnull BlockType var0, int var1, int var2) {
      Box var3 = BlockBoundingBoxes.getAssetMap().getAsset(var0.getHitboxTypeIndex()).get(var1).getBoundingBox();
      class="kw">return var0 != BlockType.EMPTY && var0 != BlockType.UNKNOWN && var0.getMaterial() == BlockMaterial.Solid && var2 == 0 && var3.isUnitBox();
   }
}