using UnityEngine;

namespace FIMSpace
{
	public class FImp_ColliderData_Capsule : FImp_ColliderData_Base
	{
		private Vector3 Top;

		private Vector3 Bottom;

		private Vector3 Direction;

		private float radius;

		private float scaleFactor;

		private float preRadius;

		public CapsuleCollider Capsule { get; private set; }

		public CapsuleCollider2D Capsule2D { get; private set; }

		public FImp_ColliderData_Capsule(CapsuleCollider collider)
		{
			Is2D = false;
			base.Transform = collider.transform;
			base.Collider = collider;
			base.Transform = collider.transform;
			Capsule = collider;
			base.ColliderType = EFColliderType.Capsule;
			CalculateCapsuleParameters(Capsule, ref Direction, ref radius, ref scaleFactor);
			RefreshColliderData();
		}

		public FImp_ColliderData_Capsule(CapsuleCollider2D collider)
		{
			Is2D = true;
			base.Transform = collider.transform;
			base.Collider2D = collider;
			base.Transform = collider.transform;
			Capsule2D = collider;
			base.ColliderType = EFColliderType.Capsule;
			CalculateCapsuleParameters(Capsule2D, ref Direction, ref radius, ref scaleFactor);
			RefreshColliderData();
		}

		public override void RefreshColliderData()
		{
			if (base.IsStatic)
			{
				return;
			}
			bool flag = false;
			if (!previousPosition.VIsSame(base.Transform.position))
			{
				flag = true;
			}
			else if (!base.Transform.rotation.QIsSame(previousRotation))
			{
				flag = true;
			}
			else if (!Is2D)
			{
				if (preRadius != Capsule.radius || !previousScale.VIsSame(base.Transform.lossyScale))
				{
					CalculateCapsuleParameters(Capsule, ref Direction, ref radius, ref scaleFactor);
				}
			}
			else if (preRadius != GetCapsule2DRadius(Capsule2D) || !previousScale.VIsSame(base.Transform.lossyScale))
			{
				CalculateCapsuleParameters(Capsule2D, ref Direction, ref radius, ref scaleFactor);
			}
			if (flag)
			{
				if (!Is2D)
				{
					GetCapsuleHeadsPositions(Capsule, ref Top, ref Bottom, Direction, radius, scaleFactor);
				}
				else
				{
					GetCapsuleHeadsPositions(Capsule2D, ref Top, ref Bottom, Direction, radius, scaleFactor);
				}
			}
			base.RefreshColliderData();
			previousPosition = base.Transform.position;
			previousRotation = base.Transform.rotation;
			previousScale = base.Transform.lossyScale;
			if (!Is2D)
			{
				preRadius = Capsule.radius;
			}
			else
			{
				preRadius = GetCapsule2DRadius(Capsule2D);
			}
		}

		public override bool PushIfInside(ref Vector3 point, float pointRadius, Vector3 pointOffset)
		{
			return PushOutFromCapsuleCollider(pointRadius, ref point, Top, Bottom, radius, pointOffset, Is2D);
		}

		public static bool PushOutFromCapsuleCollider(CapsuleCollider capsule, float segmentColliderRadius, ref Vector3 pos, Vector3 segmentOffset)
		{
			Vector3 direction = Vector3.zero;
			float trueRadius = capsule.radius;
			float scalerFactor = 1f;
			CalculateCapsuleParameters(capsule, ref direction, ref trueRadius, ref scalerFactor);
			Vector3 upper = Vector3.zero;
			Vector3 bottom = Vector3.zero;
			GetCapsuleHeadsPositions(capsule, ref upper, ref bottom, direction, trueRadius, scalerFactor);
			return PushOutFromCapsuleCollider(segmentColliderRadius, ref pos, upper, bottom, trueRadius, segmentOffset);
		}

		public static bool PushOutFromCapsuleCollider(float segmentColliderRadius, ref Vector3 segmentPos, Vector3 capSphereCenter1, Vector3 capSphereCenter2, float capsuleRadius, Vector3 segmentOffset, bool is2D = false)
		{
			float num = capsuleRadius + segmentColliderRadius;
			Vector3 vector = capSphereCenter2 - capSphereCenter1;
			Vector3 vector2 = segmentPos + segmentOffset - capSphereCenter1;
			if (is2D)
			{
				vector.z = 0f;
				vector2.z = 0f;
			}
			float num2 = Vector3.Dot(vector2, vector);
			if (num2 <= 0f)
			{
				float sqrMagnitude = vector2.sqrMagnitude;
				if (sqrMagnitude > 0f && sqrMagnitude < num * num)
				{
					segmentPos = capSphereCenter1 - segmentOffset + vector2 * (num / Mathf.Sqrt(sqrMagnitude));
					return true;
				}
			}
			else
			{
				float sqrMagnitude2 = vector.sqrMagnitude;
				if (num2 >= sqrMagnitude2)
				{
					vector2 = segmentPos + segmentOffset - capSphereCenter2;
					float sqrMagnitude3 = vector2.sqrMagnitude;
					if (sqrMagnitude3 > 0f && sqrMagnitude3 < num * num)
					{
						segmentPos = capSphereCenter2 - segmentOffset + vector2 * (num / Mathf.Sqrt(sqrMagnitude3));
						return true;
					}
				}
				else if (sqrMagnitude2 > 0f)
				{
					vector2 -= vector * (num2 / sqrMagnitude2);
					float sqrMagnitude4 = vector2.sqrMagnitude;
					if (sqrMagnitude4 > 0f && sqrMagnitude4 < num * num)
					{
						float num3 = Mathf.Sqrt(sqrMagnitude4);
						segmentPos += vector2 * ((num - num3) / num3);
						return true;
					}
				}
			}
			return false;
		}

		protected static void CalculateCapsuleParameters(CapsuleCollider capsule, ref Vector3 direction, ref float trueRadius, ref float scalerFactor)
		{
			Transform transform = capsule.transform;
			float num;
			if (capsule.direction == 1)
			{
				direction = Vector3.up;
				scalerFactor = transform.lossyScale.y;
				num = ((transform.lossyScale.x > transform.lossyScale.z) ? transform.lossyScale.x : transform.lossyScale.z);
			}
			else if (capsule.direction == 0)
			{
				direction = Vector3.right;
				scalerFactor = transform.lossyScale.x;
				num = ((transform.lossyScale.y > transform.lossyScale.z) ? transform.lossyScale.y : transform.lossyScale.z);
			}
			else
			{
				direction = Vector3.forward;
				scalerFactor = transform.lossyScale.z;
				num = ((transform.lossyScale.y > transform.lossyScale.x) ? transform.lossyScale.y : transform.lossyScale.x);
			}
			trueRadius = capsule.radius * num;
		}

		private static float GetCapsule2DRadius(CapsuleCollider2D capsule)
		{
			if (capsule.direction == CapsuleDirection2D.Vertical)
			{
				return capsule.size.x / 2f;
			}
			return capsule.size.y / 2f;
		}

		private static float GetCapsule2DHeight(CapsuleCollider2D capsule)
		{
			if (capsule.direction == CapsuleDirection2D.Vertical)
			{
				return capsule.size.y / 2f;
			}
			return capsule.size.x / 2f;
		}

		protected static void CalculateCapsuleParameters(CapsuleCollider2D capsule, ref Vector3 direction, ref float trueRadius, ref float scalerFactor)
		{
			Transform transform = capsule.transform;
			if (capsule.direction == CapsuleDirection2D.Vertical)
			{
				direction = Vector3.up;
				scalerFactor = transform.lossyScale.y;
				float num = ((transform.lossyScale.x > transform.lossyScale.z) ? transform.lossyScale.x : transform.lossyScale.z);
				trueRadius = capsule.size.x / 2f * num;
			}
			else if (capsule.direction == CapsuleDirection2D.Horizontal)
			{
				direction = Vector3.right;
				scalerFactor = transform.lossyScale.x;
				float num = ((transform.lossyScale.y > transform.lossyScale.z) ? transform.lossyScale.y : transform.lossyScale.z);
				trueRadius = capsule.size.y / 2f * num;
			}
		}

		protected static void GetCapsuleHeadsPositions(CapsuleCollider capsule, ref Vector3 upper, ref Vector3 bottom, Vector3 direction, float radius, float scalerFactor)
		{
			Vector3 direction2 = direction * (capsule.height / 2f * scalerFactor - radius);
			upper = capsule.transform.position + capsule.transform.TransformDirection(direction2) + capsule.transform.TransformVector(capsule.center);
			Vector3 direction3 = -direction * (capsule.height / 2f * scalerFactor - radius);
			bottom = capsule.transform.position + capsule.transform.TransformDirection(direction3) + capsule.transform.TransformVector(capsule.center);
		}

		protected static void GetCapsuleHeadsPositions(CapsuleCollider2D capsule, ref Vector3 upper, ref Vector3 bottom, Vector3 direction, float radius, float scalerFactor)
		{
			Vector3 direction2 = direction * (GetCapsule2DHeight(capsule) * scalerFactor - radius);
			upper = capsule.transform.position + capsule.transform.TransformDirection(direction2) + capsule.transform.TransformVector(capsule.offset);
			upper.z = 0f;
			Vector3 direction3 = -direction * (GetCapsule2DHeight(capsule) * scalerFactor - radius);
			bottom = capsule.transform.position + capsule.transform.TransformDirection(direction3) + capsule.transform.TransformVector(capsule.offset);
			bottom.z = 0f;
		}
	}
}