using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Networking;

namespace RoR2.Projectile;

[RequireComponent(typeof(Rigidbody))]
[RequireComponent(typeof(ProjectileController))]
[DefaultExecutionOrder(-1)]
[RequireComponent(typeof(ProjectileNetworkTransform))]
public class ProjectileStickOnImpact : NetworkBehaviour, IProjectileImpactBehavior
{
	public string stickSoundString;

	public ParticleSystem[] stickParticleSystem;

	public bool ignoreCharacters;

	public bool ignoreWorld;

	public bool alignNormals = true;

	public UnityEvent stickEvent;

	private ProjectileController projectileController;

	private Rigidbody rigidbody;

	private bool wasEverEnabled;

	private GameObject _victim;

	[SyncVar]
	private GameObject syncVictim;

	[SyncVar]
	private sbyte hitHurtboxIndex = -1;

	[SyncVar]
	private Vector3 localPosition;

	[SyncVar]
	private Quaternion localRotation;

	[SyncVar]
	private bool runStickEvent;

	private bool alreadyRanStickEvent;

	private NetworkInstanceId ___syncVictimNetId;

	public Transform stuckTransform { get; private set; }

	public CharacterBody stuckBody { get; private set; }

	public GameObject victim
	{
		get
		{
			return _victim;
		}
		private set
		{
			_victim = value;
			NetworksyncVictim = value;
		}
	}

	public bool stuck => hitHurtboxIndex != -1;

	public GameObject NetworksyncVictim
	{
		get
		{
			return syncVictim;
		}
		[param: In]
		set
		{
			SetSyncVarGameObject(value, ref syncVictim, 1u, ref ___syncVictimNetId);
		}
	}

	public sbyte NetworkhitHurtboxIndex
	{
		get
		{
			return hitHurtboxIndex;
		}
		[param: In]
		set
		{
			SetSyncVar(value, ref hitHurtboxIndex, 2u);
		}
	}

	public Vector3 NetworklocalPosition
	{
		get
		{
			return localPosition;
		}
		[param: In]
		set
		{
			SetSyncVar(value, ref localPosition, 4u);
		}
	}

	public Quaternion NetworklocalRotation
	{
		get
		{
			return localRotation;
		}
		[param: In]
		set
		{
			SetSyncVar(value, ref localRotation, 8u);
		}
	}

	public bool NetworkrunStickEvent
	{
		get
		{
			return runStickEvent;
		}
		[param: In]
		set
		{
			SetSyncVar(value, ref runStickEvent, 16u);
		}
	}

	private void Awake()
	{
		projectileController = GetComponent<ProjectileController>();
		rigidbody = GetComponent<Rigidbody>();
	}

	private void OnEnable()
	{
		if (wasEverEnabled)
		{
			Collider component = GetComponent<Collider>();
			component.enabled = false;
			component.enabled = true;
		}
		wasEverEnabled = true;
	}

	private void OnDisable()
	{
		if (NetworkServer.active)
		{
			Detach();
		}
	}

	[Server]
	public void Detach()
	{
		if (!NetworkServer.active)
		{
			Debug.LogWarning("[Server] function 'System.Void RoR2.Projectile.ProjectileStickOnImpact::Detach()' called on client");
			return;
		}
		victim = null;
		stuckTransform = null;
		NetworkhitHurtboxIndex = -1;
		UpdateSticking();
	}

	public void OnProjectileImpact(ProjectileImpactInfo impactInfo)
	{
		if (base.enabled)
		{
			TrySticking(impactInfo.collider, impactInfo.estimatedImpactNormal);
		}
	}

	private bool TrySticking(Collider hitCollider, Vector3 impactNormal)
	{
		if ((bool)victim)
		{
			return false;
		}
		GameObject gameObject = null;
		sbyte networkhitHurtboxIndex = -1;
		HurtBox component = hitCollider.GetComponent<HurtBox>();
		if ((bool)component)
		{
			HealthComponent healthComponent = component.healthComponent;
			if ((bool)healthComponent)
			{
				gameObject = healthComponent.gameObject;
			}
			networkhitHurtboxIndex = (sbyte)component.indexInGroup;
		}
		if (!gameObject && !ignoreWorld)
		{
			gameObject = hitCollider.gameObject;
			networkhitHurtboxIndex = -2;
		}
		if (gameObject == projectileController.owner || (ignoreCharacters && (bool)component))
		{
			gameObject = null;
			networkhitHurtboxIndex = -1;
		}
		if ((bool)gameObject)
		{
			NetworkrunStickEvent = true;
			ParticleSystem[] array = stickParticleSystem;
			for (int i = 0; i < array.Length; i++)
			{
				array[i].Play();
			}
			if (stickSoundString.Length > 0)
			{
				Util.PlaySound(stickSoundString, base.gameObject);
			}
			if (alignNormals && impactNormal != Vector3.zero)
			{
				base.transform.rotation = Util.QuaternionSafeLookRotation(impactNormal, base.transform.up);
			}
			Transform transform = hitCollider.transform;
			NetworklocalPosition = transform.InverseTransformPoint(base.transform.position);
			NetworklocalRotation = Quaternion.Inverse(transform.rotation) * base.transform.rotation;
			victim = gameObject;
			NetworkhitHurtboxIndex = networkhitHurtboxIndex;
			return true;
		}
		return false;
	}

	private void FixedUpdate()
	{
		MyFixedUpdate(Time.deltaTime);
	}

	private void UpdateSticking()
	{
		bool flag = stuckTransform;
		if (flag)
		{
			base.transform.SetPositionAndRotation(stuckTransform.TransformPoint(localPosition), alignNormals ? (stuckTransform.rotation * localRotation) : base.transform.rotation);
		}
		else
		{
			GameObject gameObject = (NetworkServer.active ? victim : syncVictim);
			if ((bool)gameObject)
			{
				stuckTransform = gameObject.transform;
				flag = true;
				if (hitHurtboxIndex >= 0)
				{
					stuckBody = stuckTransform.GetComponent<CharacterBody>();
					if ((bool)stuckBody && hitHurtboxIndex < stuckBody.hurtBoxGroup.hurtBoxes.Length && stuckBody.hurtBoxGroup.hurtBoxes[hitHurtboxIndex] != null)
					{
						stuckTransform = stuckBody.hurtBoxGroup.hurtBoxes[hitHurtboxIndex].transform;
					}
					ModelLocator component = syncVictim.GetComponent<ModelLocator>();
					if ((bool)component)
					{
						Transform modelTransform = component.modelTransform;
						if ((bool)modelTransform)
						{
							HurtBoxGroup component2 = modelTransform.GetComponent<HurtBoxGroup>();
							if ((bool)component2)
							{
								HurtBox hurtBox = component2.hurtBoxes[hitHurtboxIndex];
								if ((bool)hurtBox)
								{
									stuckTransform = hurtBox.transform;
								}
							}
						}
					}
				}
			}
			else if (hitHurtboxIndex == -2 && !NetworkServer.active)
			{
				flag = true;
			}
		}
		if (!NetworkServer.active)
		{
			return;
		}
		if (rigidbody.isKinematic != flag)
		{
			if (flag)
			{
				rigidbody.detectCollisions = false;
				rigidbody.collisionDetectionMode = CollisionDetectionMode.Discrete;
				rigidbody.isKinematic = true;
			}
			else
			{
				rigidbody.detectCollisions = true;
				rigidbody.isKinematic = false;
				rigidbody.collisionDetectionMode = CollisionDetectionMode.Continuous;
			}
		}
		if (!flag)
		{
			NetworkhitHurtboxIndex = -1;
		}
	}

	public void MyFixedUpdate(float deltaTime)
	{
		UpdateSticking();
		if (!alreadyRanStickEvent && runStickEvent)
		{
			stickEvent.Invoke();
			alreadyRanStickEvent = true;
		}
	}

	private void UNetVersion()
	{
	}

	public override bool OnSerialize(NetworkWriter writer, bool forceAll)
	{
		if (forceAll)
		{
			writer.Write(syncVictim);
			writer.WritePackedUInt32((uint)hitHurtboxIndex);
			writer.Write(localPosition);
			writer.Write(localRotation);
			writer.Write(runStickEvent);
			return true;
		}
		bool flag = false;
		if ((base.syncVarDirtyBits & (true ? 1u : 0u)) != 0)
		{
			if (!flag)
			{
				writer.WritePackedUInt32(base.syncVarDirtyBits);
				flag = true;
			}
			writer.Write(syncVictim);
		}
		if ((base.syncVarDirtyBits & 2u) != 0)
		{
			if (!flag)
			{
				writer.WritePackedUInt32(base.syncVarDirtyBits);
				flag = true;
			}
			writer.WritePackedUInt32((uint)hitHurtboxIndex);
		}
		if ((base.syncVarDirtyBits & 4u) != 0)
		{
			if (!flag)
			{
				writer.WritePackedUInt32(base.syncVarDirtyBits);
				flag = true;
			}
			writer.Write(localPosition);
		}
		if ((base.syncVarDirtyBits & 8u) != 0)
		{
			if (!flag)
			{
				writer.WritePackedUInt32(base.syncVarDirtyBits);
				flag = true;
			}
			writer.Write(localRotation);
		}
		if ((base.syncVarDirtyBits & 0x10u) != 0)
		{
			if (!flag)
			{
				writer.WritePackedUInt32(base.syncVarDirtyBits);
				flag = true;
			}
			writer.Write(runStickEvent);
		}
		if (!flag)
		{
			writer.WritePackedUInt32(base.syncVarDirtyBits);
		}
		return flag;
	}

	public override void OnDeserialize(NetworkReader reader, bool initialState)
	{
		if (initialState)
		{
			___syncVictimNetId = reader.ReadNetworkId();
			hitHurtboxIndex = (sbyte)reader.ReadPackedUInt32();
			localPosition = reader.ReadVector3();
			localRotation = reader.ReadQuaternion();
			runStickEvent = reader.ReadBoolean();
			return;
		}
		int num = (int)reader.ReadPackedUInt32();
		if (((uint)num & (true ? 1u : 0u)) != 0)
		{
			syncVictim = reader.ReadGameObject();
		}
		if (((uint)num & 2u) != 0)
		{
			hitHurtboxIndex = (sbyte)reader.ReadPackedUInt32();
		}
		if (((uint)num & 4u) != 0)
		{
			localPosition = reader.ReadVector3();
		}
		if (((uint)num & 8u) != 0)
		{
			localRotation = reader.ReadQuaternion();
		}
		if (((uint)num & 0x10u) != 0)
		{
			runStickEvent = reader.ReadBoolean();
		}
	}

	public override void PreStartClient()
	{
		if (!___syncVictimNetId.IsEmpty())
		{
			NetworksyncVictim = ClientScene.FindLocalObject(___syncVictimNetId);
		}
	}
}