class="kw">package com.hypixel.hytale.server.core.modules.collision;

class="kw">import com.hypixel.hytale.math.shape.Box;
class="kw">import javax.annotation.Nonnull;
class="kw">import org.joml.Vector2d;
class="kw">import org.joml.Vector3d;

class="kw">public class CollisionMath {
   class="kw">public class="kw">static class="kw">final ThreadLocal<Vector2d> MIN_MAX = ThreadLocal.withInitial(Vector2d::new);
   class="kw">public class="kw">static class="kw">final int DISJOINT = 0;
   class="kw">public class="kw">static class="kw">final int TOUCH_X = 1;
   class="kw">public class="kw">static class="kw">final int TOUCH_Y = 2;
   class="kw">public class="kw">static class="kw">final int TOUCH_Z = 4;
   class="kw">public class="kw">static class="kw">final int TOUCH_ANY = 7;
   class="kw">public class="kw">static class="kw">final int OVERLAP_X = 8;
   class="kw">public class="kw">static class="kw">final int OVERLAP_Y = 16;
   class="kw">public class="kw">static class="kw">final int OVERLAP_Z = 32;
   class="kw">public class="kw">static class="kw">final int OVERLAP_ANY = 56;
   class="kw">public class="kw">static class="kw">final int OVERLAP_ALL = 56;

   class="kw">public CollisionMath() {
      throw new IllegalStateException("CollisionMath can't be instantiated");
   }

   class="kw">public class="kw">static boolean intersectVectorAABB(
      @Nonnull Vector3d var0, @Nonnull Vector3d var1, double var2, double var4, double var6, @Nonnull Box var8, @Nonnull Vector2d var9
   ) {
      class="kw">return intersectRayAABB(var0, var1, var2, var4, var6, var8, var9) && var9.x <= 1.0;
   }

   class="kw">public class="kw">static boolean intersectRayAABB(
      @Nonnull Vector3d var0, @Nonnull Vector3d var1, double var2, double var4, double var6, @Nonnull Box var8, @Nonnull Vector2d var9
   ) {
      var9.x = 0.0;
      var9.y = Double.MAX_VALUE;
      Vector3d var10 = var8.getMin();
      Vector3d var11 = var8.getMax();
      class="kw">return intersect1D(var0.x, var1.x(), var2 + var10.x, var2 + var11.x, var9)
         && intersect1D(var0.y, var1.y(), var4 + var10.y, var4 + var11.y, var9)
         && intersect1D(var0.z, var1.z(), var6 + var10.z, var6 + var11.z, var9)
         && var9.x >= 0.0;
   }

   class="kw">public class="kw">static double intersectRayAABB(@Nonnull Vector3d var0, @Nonnull Vector3d var1, double var2, double var4, double var6, @Nonnull Box var8) {
      Vector2d var9 = MIN_MAX.get();
      class="kw">return intersectRayAABB(var0, var1, var2, var4, var6, var8, var9) ? var9.x : -Double.MAX_VALUE;
   }

   class="kw">public class="kw">static boolean intersectVectorAABB(
      @Nonnull Vector3d var0, @Nonnull Vector3d var1, double var2, double var4, double var6, double var8, double var10, @Nonnull Vector2d var12
   ) {
      class="kw">return intersectRayAABB(var0, var1, var2, var4, var6, var8, var10, var12) && var12.x <= 1.0;
   }

   class="kw">public class="kw">static boolean intersectRayAABB(
      @Nonnull Vector3d var0, @Nonnull Vector3d var1, double var2, double var4, double var6, double var8, double var10, @Nonnull Vector2d var12
   ) {
      var12.x = 0.0;
      var12.y = Double.MAX_VALUE;
      class="kw">return intersect1D(var0.x, var1.x(), var2 - var8, var2 + var8, var12)
         && intersect1D(var0.y, var1.y(), var4, var4 + var10, var12)
         && intersect1D(var0.z, var1.z(), var6 - var8, var6 + var8, var12)
         && var12.x >= 0.0;
   }

   class="kw">public class="kw">static boolean intersectSweptAABBs(
      @Nonnull Vector3d var0, @Nonnull Vector3d var1, @Nonnull Box var2, @Nonnull Vector3d var3, @Nonnull Box var4, @Nonnull Vector2d var5, @Nonnull Box var6
   ) {
      class="kw">return intersectSweptAABBs(var0, var1, var2, var3.x, var3.y, var3.z, var4, var5, var6);
   }

   class="kw">public class="kw">static boolean intersectSweptAABBs(
      @Nonnull Vector3d var0,
      @Nonnull Vector3d var1,
      @Nonnull Box var2,
      double var3,
      double var5,
      double var7,
      @Nonnull Box var9,
      @Nonnull Vector2d var10,
      @Nonnull Box var11
   ) {
      var11.assign(var9).minkowskiSum(var2);
      class="kw">return intersectVectorAABB(var0, var1, var3, var5, var7, var11, var10);
   }

   class="kw">public class="kw">static boolean intersect1D(double var0, double var2, double var4, double var6, @Nonnull Vector2d var8) {
      if (!(Math.abs(var2) < 1.0E-5)) {
         double var9 = (var4 - var0) / var2;
         double var11 = (var6 - var0) / var2;
         if (var11 >= var9) {
            if (var9 > var8.x) {
               var8.x = var9;
            }

            if (var11 < var8.y) {
               var8.y = var11;
            }
         } else {
            if (var11 > var8.x) {
               var8.x = var11;
            }

            if (var9 < var8.y) {
               var8.y = var9;
            }
         }

         class="kw">return var8.x <= var8.y;
      } else {
         class="kw">return !(var0 < var4) && !(var0 > var6);
      }
   }

   class="kw">public class="kw">static boolean isDisjoint(int var0) {
      class="kw">return var0 == 0;
   }

   class="kw">public class="kw">static boolean isOverlapping(int var0) {
      class="kw">return var0 == 56;
   }

   class="kw">public class="kw">static boolean isTouching(int var0) {
      class="kw">return (var0 & 7) != 0;
   }

   class="kw">public class="kw">static int intersectAABBs(@Nonnull Vector3d var0, @Nonnull Box var1, @Nonnull Vector3d var2, @Nonnull Box var3) {
      class="kw">return intersectAABBs(var0.x, var0.y, var0.z, var1, var2.x, var2.y, var2.z, var3);
   }

   class="kw">public class="kw">static int intersectAABBs(double var0, double var2, double var4, @Nonnull Box var6, double var7, double var9, double var11, @Nonnull Box var13) {
      int var14 = intersect1D(var0, var6.min.x, var6.max.x, var7, var13.min.x, var13.max.x);
      if (var14 == 0) {
         class="kw">return 0;
      }

      var14 &= 9;
      int var15 = intersect1D(var2, var6.min.y, var6.max.y, var9, var13.min.y, var13.max.y);
      if (var15 == 0) {
         class="kw">return 0;
      }

      var15 &= 18;
      int var16 = intersect1D(var4, var6.min.z, var6.max.z, var11, var13.min.z, var13.max.z);
      if (var16 == 0) {
         class="kw">return 0;
      }

      var16 &= 36;
      class="kw">return var14 | var15 | var16;
   }

   class="kw">public class="kw">static int intersect1D(double var0, double var2, double var4, double var6, double var8, double var10) {
      class="kw">return intersect1D(var0, var2, var4, var6, var8, var10, 1.0E-5);
   }

   class="kw">public class="kw">static int intersectAABBs(
      double var0, double var2, double var4, @Nonnull Box var6, double var7, double var9, double var11, @Nonnull Box var13, double var14
   ) {
      int var16 = intersect1D(var0, var6.min.x, var6.max.x, var7, var13.min.x, var13.max.x, var14);
      if (var16 == 0) {
         class="kw">return 0;
      }

      var16 &= 9;
      int var17 = intersect1D(var2, var6.min.y, var6.max.y, var9, var13.min.y, var13.max.y, var14);
      if (var17 == 0) {
         class="kw">return 0;
      }

      var17 &= 18;
      int var18 = intersect1D(var4, var6.min.z, var6.max.z, var11, var13.min.z, var13.max.z, var14);
      if (var18 == 0) {
         class="kw">return 0;
      }

      var18 &= 36;
      class="kw">return var16 | var17 | var18;
   }

   class="kw">public class="kw">static int intersect1D(double var0, double var2, double var4, double var6, double var8, double var10, double var12) {
      double var14 = var6 - var0;
      double var16 = var2 - var10 - var14;
      if (var16 > var12) {
         class="kw">return 0;
      } else if (var16 > -var12) {
         class="kw">return 7;
      } else {
         var16 = var8 - var4 + var14;
         if (var16 > var12) {
            class="kw">return 0;
         } else {
            class="kw">return var16 > -var12 ? 7 : 56;
         }
      }
   }
}