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

class="kw">import com.hypixel.hytale.math.vector.Rotation3f;
class="kw">import java.util.concurrent.ThreadLocalRandom;
class="kw">import javax.annotation.Nonnull;
class="kw">import org.joml.Vector3d;
class="kw">import org.joml.Vector3i;

class="kw">public class MathUtil {
   class="kw">public class="kw">static class="kw">final double EPSILON_DOUBLE = Math.ulp(1.0);
   class="kw">public class="kw">static class="kw">final float EPSILON_FLOAT = Math.ulp(1.0F);
   class="kw">public class="kw">static class="kw">final double ZERO_LENGTH_EPSILON = 1.0E-8;
   class="kw">public class="kw">static float PITCH_EDGE_PADDING = 0.01F;

   class="kw">public class="kw">static int abs(int var0) {
      int var1 = var0 >> 31;
      class="kw">return var0 + var1 ^ var1;
   }

   class="kw">public class="kw">static int floor(double var0) {
      int var2 = (int)var0;
      if (var2 <= var0) {
         class="kw">return var2;
      } else {
         class="kw">return var0 < -2.1474836E9F ? Integer.MIN_VALUE : var2 - 1;
      }
   }

   class="kw">public class="kw">static int ceil(double var0) {
      int var2 = (int)var0;
      if (!(var0 > 0.0) || var0 == var2) {
         class="kw">return var2;
      } else {
         class="kw">return var0 > 2.147483647E9 ? Integer.MAX_VALUE : var2 + 1;
      }
   }

   class="kw">public class="kw">static int randomInt(int var0, int var1) {
      class="kw">return ThreadLocalRandom.current().nextInt(var0, var1);
   }

   class="kw">public class="kw">static double randomDouble(double var0, double var2) {
      class="kw">return var0 + Math.random() * (var2 - var0);
   }

   class="kw">public class="kw">static float randomFloat(float var0, float var1) {
      class="kw">return var0 + (float)Math.random() * (var1 - var0);
   }

   class="kw">public class="kw">static double round(double var0, int var2) {
      double var3 = Math.pow(10.0, var2);
      class="kw">return Math.round(var0 * var3) / var3;
   }

   class="kw">public class="kw">static boolean within(double var0, double var2, double var4) {
      class="kw">return var0 >= var2 && var0 <= var4;
   }

   class="kw">public class="kw">static double minValue(double var0, double var2, double var4) {
      if (var2 < var0) {
         var0 = var2;
      }

      if (var4 < var0) {
         var0 = var4;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static int minValue(int var0, int var1, int var2) {
      if (var1 < var0) {
         var0 = var1;
      }

      if (var2 < var0) {
         var0 = var2;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static double maxValue(double var0, double var2, double var4, double var6) {
      if (var2 > var0) {
         var0 = var2;
      }

      if (var4 > var0) {
         var0 = var4;
      }

      if (var6 > var0) {
         var0 = var6;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static double maxValue(double var0, double var2, double var4) {
      if (var2 > var0) {
         var0 = var2;
      }

      if (var4 > var0) {
         var0 = var4;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static byte maxValue(byte var0, byte var1, byte var2) {
      if (var1 > var0) {
         var0 = var1;
      }

      if (var2 > var0) {
         var0 = var2;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static byte maxValue(byte var0, byte var1, byte var2, byte var3) {
      if (var1 > var0) {
         var0 = var1;
      }

      if (var2 > var0) {
         var0 = var2;
      }

      if (var3 > var0) {
         var0 = var3;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static int maxValue(int var0, int var1, int var2) {
      if (var1 > var0) {
         var0 = var1;
      }

      if (var2 > var0) {
         var0 = var2;
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static double lengthSquared(double var0, double var2) {
      class="kw">return var0 * var0 + var2 * var2;
   }

   class="kw">public class="kw">static double length(double var0, double var2) {
      class="kw">return Math.sqrt(lengthSquared(var0, var2));
   }

   class="kw">public class="kw">static double lengthSquared(double var0, double var2, double var4) {
      class="kw">return var0 * var0 + var2 * var2 + var4 * var4;
   }

   class="kw">public class="kw">static double length(double var0, double var2, double var4) {
      class="kw">return Math.sqrt(lengthSquared(var0, var2, var4));
   }

   class="kw">public class="kw">static double maxValue(double var0, double var2) {
      class="kw">return var2 > var0 ? var2 : var0;
   }

   class="kw">public class="kw">static double clipToZero(double var0) {
      class="kw">return clipToZero(var0, EPSILON_DOUBLE);
   }

   class="kw">public class="kw">static double clipToZero(double var0, double var2) {
      class="kw">return var0 >= -var2 && var0 <= var2 ? 0.0 : var0;
   }

   class="kw">public class="kw">static float clipToZero(float var0) {
      class="kw">return clipToZero(var0, EPSILON_FLOAT);
   }

   class="kw">public class="kw">static float clipToZero(float var0, float var1) {
      class="kw">return var0 >= -var1 && var0 <= var1 ? 0.0F : var0;
   }

   class="kw">public class="kw">static boolean closeToZero(double var0) {
      class="kw">return closeToZero(var0, EPSILON_DOUBLE);
   }

   class="kw">public class="kw">static boolean closeToZero(double var0, double var2) {
      class="kw">return var0 >= -var2 && var0 <= var2;
   }

   class="kw">public class="kw">static boolean closeToZero(float var0) {
      class="kw">return closeToZero(var0, EPSILON_FLOAT);
   }

   class="kw">public class="kw">static boolean closeToZero(float var0, float var1) {
      class="kw">return var0 >= -var1 && var0 <= var1;
   }

   class="kw">public class="kw">static double clamp(double var0, double var2, double var4) {
      if (var0 > var4) {
         class="kw">return var0 < var2 ? var2 : var4;
      } else {
         class="kw">return var0 < var2 ? var2 : var0;
      }
   }

   class="kw">public class="kw">static float clamp(float var0, float var1, float var2) {
      if (var0 > var2) {
         class="kw">return var0 < var1 ? var1 : var2;
      } else {
         class="kw">return var0 < var1 ? var1 : var0;
      }
   }

   class="kw">public class="kw">static int clamp(int var0, int var1, int var2) {
      if (var0 > var2) {
         class="kw">return var0 < var1 ? var1 : var2;
      } else {
         class="kw">return var0 < var1 ? var1 : var0;
      }
   }

   class="kw">public class="kw">static long clamp(long var0, long var2, long var4) {
      if (var0 > var4) {
         class="kw">return var0 < var2 ? var2 : var4;
      } else {
         class="kw">return var0 < var2 ? var2 : var0;
      }
   }

   class="kw">public class="kw">static long saturatedMultiply(long var0, long var2) {
      try {
         class="kw">return Math.multiplyExact(var0, var2);
      } catch (ArithmeticException var5) {
         class="kw">return var0 < 0L == var2 < 0L ? Long.MAX_VALUE : Long.MIN_VALUE;
      }
   }

   class="kw">public class="kw">static int getPercentageOf(int var0, int var1) {
      class="kw">return (int)(var0 / (var1 - 1.0) * 100.0);
   }

   class="kw">public class="kw">static double percent(int var0, int var1) {
      class="kw">return var1 == 0 ? 0.0 : var0 * 100.0 / var1;
   }

   class="kw">public class="kw">static int fastRound(float var0) {
      class="kw">return fastFloor(var0 + 0.5F);
   }

   class="kw">public class="kw">static long fastRound(double var0) {
      class="kw">return fastFloor(var0 + 0.5);
   }

   class="kw">public class="kw">static int fastFloor(float var0) {
      int var1 = (int)var0;
      if (var1 <= var0) {
         class="kw">return var1;
      } else {
         class="kw">return var0 < -2.1474836E9F ? Integer.MIN_VALUE : var1 - 1;
      }
   }

   class="kw">public class="kw">static long fastFloor(double var0) {
      long var2 = (long)var0;
      if (var2 <= var0) {
         class="kw">return var2;
      } else {
         class="kw">return var0 < -9.223372E18F ? Long.MIN_VALUE : var2 - 1L;
      }
   }

   class="kw">public class="kw">static int fastCeil(float var0) {
      int var1 = (int)var0;
      if (!(var0 > 0.0F) || var0 == var1) {
         class="kw">return var1;
      } else {
         class="kw">return var0 > 2.1474836E9F ? Integer.MAX_VALUE : var1 + 1;
      }
   }

   class="kw">public class="kw">static long fastCeil(double var0) {
      long var2 = (long)var0;
      if (!(var0 > 0.0) || var0 == var2) {
         class="kw">return var2;
      } else {
         class="kw">return var0 > 9.223372E18F ? Long.MAX_VALUE : var2 + 1L;
      }
   }

   class="kw">private MathUtil() {
   }

   class="kw">public class="kw">static float halfFloatToFloat(int var0) {
      int var1 = var0 & 1023;
      int var2 = var0 & 31744;
      if (var2 == 31744) {
         var2 = 261120;
      } else if (var2 != 0) {
         var2 += 114688;
         if (var1 == 0 && var2 > 115712) {
            class="kw">return Float.intBitsToFloat((var0 & 32768) << 16 | var2 << 13 | 1023);
         }
      } else if (var1 != 0) {
         var2 = 115712;

         do {
            var1 <<= 1;
            var2 -= 1024;
         } while ((var1 & 1024) == 0);

         var1 &= 1023;
      }

      class="kw">return Float.intBitsToFloat((var0 & 32768) << 16 | (var2 | var1) << 13);
   }

   class="kw">public class="kw">static int halfFloatFromFloat(float var0) {
      int var1 = Float.floatToIntBits(var0);
      int var2 = var1 >>> 16 & 32768;
      int var3 = (var1 & 2147483647) + 4096;
      if (var3 >= 1199570944) {
         if ((var1 & 2147483647) >= 1199570944) {
            class="kw">return var3 < 2139095040 ? var2 | 31744 : var2 | 31744 | (var1 & 8388607) >>> 13;
         } else {
            class="kw">return var2 | 31743;
         }
      } else {
         if (var3 >= 947912704) {
            class="kw">return var2 | var3 - 939524096 >>> 13;
         }

         if (var3 < 855638016) {
            class="kw">return var2;
         }

         var3 = (var1 & 2147483647) >>> 23;
         class="kw">return var2 | (var1 & 8388607 | 8388608) + (8388608 >>> var3 - 102) >>> 126 - var3;
      }
   }

   class="kw">public class="kw">static int byteCount(int var0) {
      if (var0 > 65535) {
         class="kw">return 4;
      } else if (var0 > 255) {
         class="kw">return 2;
      } else {
         class="kw">return var0 > 0 ? 1 : 0;
      }
   }

   class="kw">public class="kw">static int packInt(int var0, int var1) {
      class="kw">return var0 << 16 | var1 & 65535;
   }

   class="kw">public class="kw">static int unpackLeft(int var0) {
      int var1 = var0 >> 16 & 65535;
      if ((var1 & 32768) != 0) {
         var1 |= -65536;
      }

      class="kw">return var1;
   }

   class="kw">public class="kw">static int unpackRight(int var0) {
      int var1 = var0 & 65535;
      if ((var1 & 32768) != 0) {
         var1 |= -65536;
      }

      class="kw">return var1;
   }

   class="kw">public class="kw">static long packLong(int var0, int var1) {
      class="kw">return (long)var0 << 32 | var1 & 4294967295L;
   }

   class="kw">public class="kw">static int unpackLeft(long var0) {
      class="kw">return (int)(var0 >> 32);
   }

   class="kw">public class="kw">static int unpackRight(long var0) {
      class="kw">return (int)var0;
   }

   @Nonnull
   class="kw">public class="kw">static Vector3i rotateVectorYAxis(@Nonnull Vector3i var0, int var1, boolean var2) {
      float var3 = (float) (Math.PI / 180.0) * var1;
      int var4;
      int var5;
      if (var2) {
         var4 = (int)(var0.x * TrigMathUtil.cos(var3) - var0.z * TrigMathUtil.sin(var3));
         var5 = (int)(var0.x * TrigMathUtil.sin(var3) + var0.z * TrigMathUtil.cos(var3));
      } else {
         var4 = (int)(var0.x * TrigMathUtil.cos(var3) + var0.z * TrigMathUtil.sin(var3));
         var5 = (int)(-var0.x * TrigMathUtil.sin(var3) + var0.z * TrigMathUtil.cos(var3));
      }

      class="kw">return new Vector3i(var4, var0.y, var5);
   }

   @Nonnull
   class="kw">public class="kw">static Vector3d rotateVectorYAxis(@Nonnull Vector3d var0, int var1, boolean var2) {
      float var3 = (float) (Math.PI / 180.0) * var1;
      double var4;
      double var6;
      if (var2) {
         var4 = var0.x * TrigMathUtil.cos(var3) - var0.z * TrigMathUtil.sin(var3);
         var6 = var0.x * TrigMathUtil.sin(var3) + var0.z * TrigMathUtil.cos(var3);
      } else {
         var4 = var0.x * TrigMathUtil.cos(var3) + var0.z * TrigMathUtil.sin(var3);
         var6 = -var0.x * TrigMathUtil.sin(var3) + var0.z * TrigMathUtil.cos(var3);
      }

      class="kw">return new Vector3d(var4, var0.y, var6);
   }

   class="kw">public class="kw">static float wrapAngle(float var0) {
      var0 %= (float) (Math.PI * 2);
      if (var0 <= (float) -Math.PI) {
         var0 += (float) (Math.PI * 2);
      } else if (var0 > (float) Math.PI) {
         var0 -= (float) (Math.PI * 2);
      }

      class="kw">return var0;
   }

   class="kw">public class="kw">static float lerp(float var0, float var1, float var2) {
      class="kw">return lerpUnclamped(var0, var1, clamp(var2, 0.0F, 1.0F));
   }

   class="kw">public class="kw">static float lerpUnclamped(float var0, float var1, float var2) {
      class="kw">return var0 + var2 * (var1 - var0);
   }

   class="kw">public class="kw">static double lerp(double var0, double var2, double var4) {
      class="kw">return lerpUnclamped(var0, var2, clamp(var4, 0.0, 1.0));
   }

   class="kw">public class="kw">static float seededLerp(float var0, float var1, long var2) {
      int var4 = (int)(var2 ^ var2 >>> 32) & 16777215;
      float var5 = var4 / 1.6777215E7F;
      class="kw">return var0 + var5 * (var1 - var0);
   }

   class="kw">public class="kw">static double lerpUnclamped(double var0, double var2, double var4) {
      class="kw">return var0 + var4 * (var2 - var0);
   }

   class="kw">public class="kw">static float shortAngleDistance(float var0, float var1) {
      float var2 = (var1 - var0) % (float) (Math.PI * 2);
      class="kw">return 2.0F * var2 % (float) (Math.PI * 2) - var2;
   }

   class="kw">public class="kw">static float lerpAngle(float var0, float var1, float var2) {
      class="kw">return var0 + shortAngleDistance(var0, var1) * var2;
   }

   class="kw">public class="kw">static double floorMod(double var0, double var2) {
      class="kw">return var0 - Math.floor(var0 / var2) * var2;
   }

   class="kw">public class="kw">static double compareAngle(double var0, double var2) {
      double var4 = var2 - var0;
      class="kw">return floorMod(var4 + Math.PI, Math.PI * 2) - Math.PI;
   }

   class="kw">public class="kw">static double percentile(@Nonnull long[] var0, double var1) {
      if (var0.length == 1) {
         class="kw">return var0[0];
      }

      if (var1 >= 1.0) {
         class="kw">return var0[var0.length - 1];
      }

      double var3 = (var0.length + 1) * var1;
      double var5 = var1 * (var0.length - 1) + 1.0;
      long var7;
      long var9;
      if (var3 >= 1.0) {
         var7 = var0[floor(var5) - 1];
         var9 = var0[floor(var5)];
      } else {
         var7 = var0[0];
         var9 = var0[1];
      }

      if (var7 == var9) {
         class="kw">return var7;
      }

      double var11 = var5 - floor(var5);
      class="kw">return var7 + var11 * (var9 - var7);
   }

   class="kw">public class="kw">static double distanceToLineSq(double var0, double var2, double var4, double var6, double var8, double var10) {
      double var12 = var0 - var4;
      double var14 = var2 - var6;
      double var16 = var8 - var4;
      double var18 = var10 - var6;
      class="kw">return distanceToLineSq(var0, var2, var4, var6, var8, var10, var12, var14, var16, var18);
   }

   class="kw">public class="kw">static double distanceToLineSq(
      double var0, double var2, double var4, double var6, double var8, double var10, double var12, double var14, double var16, double var18
   ) {
      double var20 = var12 * var16 + var14 * var18;
      var20 /= var16 * var16 + var18 * var18;
      double var22 = var4;
      double var24 = var6;
      if (var20 > 1.0) {
         var22 = var8;
         var24 = var10;
      } else if (var20 > 0.0) {
         var22 = var4 + var20 * var16;
         var24 = var6 + var20 * var18;
      }

      var16 = var0 - var22;
      var18 = var2 - var24;
      class="kw">return var16 * var16 + var18 * var18;
   }

   class="kw">public class="kw">static double distanceToInfLineSq(double var0, double var2, double var4, double var6, double var8, double var10) {
      double var12 = var0 - var4;
      double var14 = var2 - var6;
      double var16 = var8 - var4;
      double var18 = var10 - var6;
      class="kw">return distanceToInfLineSq(var0, var2, var4, var6, var12, var14, var16, var18);
   }

   class="kw">public class="kw">static double distanceToInfLineSq(double var0, double var2, double var4, double var6, double var8, double var10, double var12, double var14) {
      double var16 = var8 * var12 + var10 * var14;
      var16 /= var12 * var12 + var14 * var14;
      double var18 = var4 + var16 * var12;
      double var20 = var6 + var16 * var14;
      var12 = var0 - var18;
      var14 = var2 - var20;
      class="kw">return var12 * var12 + var14 * var14;
   }

   class="kw">public class="kw">static int sideOfLine(double var0, double var2, double var4, double var6, double var8, double var10) {
      class="kw">return (var4 - var0) * (var10 - var2) - (var6 - var2) * (var8 - var0) >= 0.0 ? 1 : -1;
   }

   class="kw">public class="kw">static Rotation3f getRotationForHitNormal(Vector3d var0) {
      if (var0 == null) {
         class="kw">return new Rotation3f(Rotation3f.IDENTITY);
      } else if (var0.y == 1.0) {
         class="kw">return new Rotation3f(Rotation3f.IDENTITY);
      } else if (var0.y == -1.0) {
         class="kw">return new Rotation3f(0.0F, 0.0F, (float) Math.PI);
      } else if (var0.x == 1.0) {
         class="kw">return new Rotation3f(0.0F, 0.0F, (float) (-Math.PI / 2));
      } else if (var0.x == -1.0) {
         class="kw">return new Rotation3f(0.0F, 0.0F, (float) (Math.PI / 2));
      } else if (var0.z == 1.0) {
         class="kw">return new Rotation3f((float) (Math.PI / 2), 0.0F, 0.0F);
      } else {
         class="kw">return var0.z == -1.0 ? new Rotation3f((float) (-Math.PI / 2), 0.0F, 0.0F) : new Rotation3f(Rotation3f.IDENTITY);
      }
   }

   class="kw">public class="kw">static String getNameForHitNormal(Vector3d var0) {
      if (var0 == null) {
         class="kw">return "UP";
      } else if (var0.y == 1.0) {
         class="kw">return "UP";
      } else if (var0.y == -1.0) {
         class="kw">return "DOWN";
      } else if (var0.x == 1.0) {
         class="kw">return "WEST";
      } else if (var0.x == -1.0) {
         class="kw">return "EAST";
      } else if (var0.z == 1.0) {
         class="kw">return "NORTH";
      } else {
         class="kw">return var0.z == -1.0 ? "SOUTH" : "UP";
      }
   }

   class="kw">public class="kw">static float mapToRange(float var0, float var1, float var2, float var3, float var4) {
      float var5 = (var0 - var1) / (var2 - var1);
      class="kw">return var3 + var5 * (var4 - var3);
   }
}