class="kw">package com.hypixel.hytale.builtin.hytalegenerator;

class="kw">import com.hypixel.hytale.builtin.hytalegenerator.bounds.Bounds3d;
class="kw">import com.hypixel.hytale.builtin.hytalegenerator.cache.ConcurrentSingleFlightCache;
class="kw">import com.hypixel.hytale.builtin.hytalegenerator.graph.GraphGenerator;
class="kw">import java.util.function.BiFunction;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;
class="kw">import org.joml.Vector3d;
class="kw">import org.joml.Vector3dc;
class="kw">import org.joml.Vector3i;
class="kw">import org.joml.Vector3ic;

class="kw">public class GridCache<T> {
   @Nonnull
   class="kw">private class="kw">final Vector3d cellSize;
   @Nonnull
   class="kw">private class="kw">final ConcurrentSingleFlightCache<Vector3i, GraphGenerator, T> cache;

   class="kw">public GridCache(@Nonnull Vector3dc var1, int var2, int var3, @Nonnull BiFunction<Vector3i, GraphGenerator, T> var4) {
      assert var2 >= 0;
      assert isValidCellSize(var1);
      this.cache = new ConcurrentSingleFlightCache<>(var2, var3, Vector3i::new, var4, (var0, var1x) -> {});
      this.cellSize = new Vector3d(var1);
   }

   @Nullable
   class="kw">public T getCell(@Nonnull Vector3i var1, @Nonnull GraphGenerator var2) {
      class="kw">return this.cache.get(var1, var2);
   }

   class="kw">public void toCellIndex(@Nonnull Vector3dc var1, @Nonnull Vector3i var2) {
      toCellIndex(var1, this.cellSize, var2);
   }

   class="kw">public class="kw">static void toCellIndex(@Nonnull Vector3dc var0, @Nonnull Vector3dc var1, @Nonnull Vector3i var2) {
      var2.x = toCellIndex(var0.x(), var1.x());
      var2.y = toCellIndex(var0.y(), var1.y());
      var2.z = toCellIndex(var0.z(), var1.z());
   }

   class="kw">public void toCellBounds(@Nonnull Vector3ic var1, @Nonnull Bounds3d var2) {
      toCellBounds(var1, this.cellSize, var2);
   }

   class="kw">public class="kw">static void toCellBounds(@Nonnull Vector3ic var0, @Nonnull Vector3dc var1, @Nonnull Bounds3d var2) {
      var2.min.x = toCellMin(var0.x(), var1.x());
      var2.min.y = toCellMin(var0.y(), var1.y());
      var2.min.z = toCellMin(var0.z(), var1.z());
      var2.max.x = toCellMax(var0.x(), var1.x());
      var2.max.y = toCellMax(var0.y(), var1.y());
      var2.max.z = toCellMax(var0.z(), var1.z());
   }

   class="kw">public class="kw">static int toCellIndex(double var0, double var2) {
      assert var2 > 0.0;
      class="kw">return (int)Math.floor(var0 / var2);
   }

   class="kw">public class="kw">static double toCellMin(int var0, double var1) {
      class="kw">return var0 * var1;
   }

   class="kw">public class="kw">static double toCellMax(int var0, double var1) {
      class="kw">return (var0 + 1) * var1;
   }

   class="kw">public class="kw">static boolean isValidCellSize(@Nonnull Vector3dc var0) {
      class="kw">return var0.x() > 0.0 && var0.y() > 0.0 && var0.z() > 0.0;
   }
}